/* ==========================================================================
   CÔNG TY TNHH THƯƠNG MẠI TÂM PHÚC GIA LAI - STYLESHEET
   Phong cách: Tối giản Cao cấp
   Màu sắc chủ đạo: Xanh Lá Cây Trầm (#0B2B20) & Vàng Kim (#C5A059)
   ========================================================================== */

:root {
    /* Màu sắc chủ đạo: Xanh lá cây & Vàng kim */
    --primary-color: #16834C;       /* Xanh rừng đậm quý phái */
    --secondary-color: #116A3D;     /* Xanh thông sẫm */
    --accent-color: #C5A059;        /* Vàng kim hoàng gia */
    --accent-hover: #A47D2E;        /* Vàng kim sẫm khi hover */
    --gold-gradient: linear-gradient(135deg, #E0B862 0%, #C5A059 50%, #A47D2E 100%);
    --gold-border: rgba(197, 160, 89, 0.4);
    
    /* Nền trang nhã */
    --light-bg: #F4F6F4;            /* Nền sáng ngà trang nhã */
    --lighter-bg: #FAFBF9;          /* Nền sáng xen kẽ */
    --dark-bg: #16834C;             /* Nền chân trang xanh lá thương hiệu như logo */
    --text-main: #2D3748;
    --text-light: #718096;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
}

body {
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--light-bg);
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    font-weight: 500;
    color: #4A5568;
    line-height: 1.8;
    margin: 5px auto 25px;
    padding: 15px 0;
    max-width: 850px;
    border-top: 1px solid var(--gold-border);
    border-bottom: 1px solid var(--gold-border);
    text-align: justify;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: var(--white); }
.text-gray { color: #a0a0a0; }
.bg-light { background-color: var(--lighter-bg); }
.bg-dark { background-color: var(--dark-bg); }

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 60px 0;
    scroll-margin-top: 100px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Buttons */
.btn-primary {
    background: var(--gold-gradient);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 160, 89, 0.45);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-outline-green {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.btn-outline-green:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(11, 43, 32, 0.15);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 12px 0;
    background: #F9F5EC; /* Nền kem/vàng nhạt */
    box-shadow: 0 4px 16px rgba(11, 43, 32, 0.08);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 20px rgba(11, 43, 32, 0.12);
}

.nav-two-tier {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 25px;
}

.nav-top-tier {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--primary-color);
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: -0.5px;
}

.logo-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.logo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-logo-img {
    height: 56px;
    width: auto;
    max-height: 56px;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}

.navbar.scrolled .brand-logo-img {
    height: 48px;
    max-height: 48px;
}

.brand-logo-horizontal {
    height: 65px;
    width: auto;
    max-height: 65px;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}

.navbar.scrolled .brand-logo-horizontal {
    height: 50px;
    max-height: 50px;
}

.brand-name {
    color: #16834C;
    transform: translateY(2px);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    white-space: nowrap;
    text-transform: uppercase;
}
.brand-name .brand-orange {
    color: #F18028; /* Màu cam chuẩn nhận diện Logo chữ T */
    transition: var(--transition);
}

.brand-name .brand-green {
    color: #16834C; /* Màu xanh lá chuẩn nhận diện Logo chữ P */
    transition: var(--transition);
}

.logo:hover .brand-orange {
    color: #D66815;
}

.logo:hover .brand-green {
    color: #116A3D;
}


.navbar.scrolled .brand-name {
    font-size: 1.1rem;
}

/* ==========================================================================
   BỐ CỤC LOGO LỚN TRẢI DÀI CẢ 2 TẦNG TRÊN MÁY TÍNH (2-TIER SPANNING LOGO)
   ========================================================================== */
@media (min-width: 993px) {
    .nav-two-tier {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        column-gap: 36px;
        row-gap: 4px;
        align-items: center;
    }

    .nav-top-tier {
        display: contents;
    }

    .logo {
        grid-column: 1;
        grid-row: 1 / 3;
        align-self: center;
        display: flex;
        align-items: center;
    }

    .brand-logo-horizontal {
        height: 110px;
        max-height: 110px;
    }

    .navbar.scrolled .brand-logo-horizontal {
        height: 80px;
        max-height: 80px;
    }

    .brand-name {
        font-size: 1.8rem;
    }
    .navbar.scrolled .brand-name {
        font-size: 1.4rem;
    }

    .desktop-only-actions {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
        display: flex;
        align-items: center;
        gap: 18px;
        padding-bottom: 4px;
    }

    .nav-two-tier .nav-links {
        grid-column: 2;
        grid-row: 2;
        justify-content: flex-end;
        border-top: 1px solid #E2E8F0;
        padding-top: 8px;
        padding-bottom: 2px;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .brand-logo-horizontal {
        height: 60px;
        max-height: 60px;
    }
    .navbar.scrolled .brand-logo-horizontal {
        height: 50px;
        max-height: 50px;
    }
    .brand-name {
        font-size: 1.15rem;
    }
    .navbar.scrolled .brand-name {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .brand-logo-horizontal {
        height: 55px;
        max-height: 55px;
    }
    .navbar.scrolled .brand-logo-horizontal {
        height: 45px;
        max-height: 45px;
    }
    .brand-name {
        font-size: 1rem;
    }
    .navbar.scrolled .brand-name {
        font-size: 0.9rem;
    }
}

.desktop-only-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.mobile-only-actions {
    display: none;
}

.nav-two-tier .nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(12px, 1.8vw, 26px);
    border-top: 1px solid #E2E8F0;
    padding-top: 10px;
    padding-bottom: 2px;
    width: 100%;
}

.nav-two-tier .nav-links a:not(.btn-primary) {
    color: var(--primary-color);
    font-weight: 600;
    font-size: clamp(0.84rem, 0.94vw, 0.93rem);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.nav-two-tier .nav-links a:not(.btn-primary):hover {
    color: var(--accent-color);
}

.nav-two-tier .nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-two-tier .nav-links a:not(.btn-primary):hover::after,
.nav-two-tier .nav-links a.active::after {
    width: 100%;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-color);
}

.lang-switch a {
    color: #718096;
    transition: var(--transition);
}

.lang-switch a.active {
    color: var(--accent-color);
    font-weight: 700;
}

.lang-switch a:hover {
    color: var(--accent-color);
}

.lang-switch a::after {
    display: none !important;
}

.mobile-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--primary-color);
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 90vh;
    min-height: 720px;
    padding-top: 150px;
    position: relative;
    display: flex;
    overflow: hidden;
    box-sizing: border-box;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 46%;
    display: block;
}

/* Tinh chỉnh overlay siêu nhẹ: Giữ trọn độ sắc nét, màu sắc rực rỡ và chân thực của ảnh gốc */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(5, 25, 15, 0.25) 0%, 
        rgba(0, 0, 0, 0) 35%, 
        rgba(0, 0, 0, 0) 70%, 
        rgba(5, 25, 15, 0.25) 100%
    );
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    padding: 15px clamp(24px, 3vw, 45px) 45px clamp(24px, 3vw, 45px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    box-sizing: border-box;
}

.hero-top-left {
    align-self: flex-start;
    max-width: 960px;
    text-align: left;
}

.hero-slogan {
    font-size: clamp(1.45rem, 2.2vw, 2.1rem);
    font-weight: 700;
    line-height: 1.35;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.95), 0 4px 25px rgba(0, 0, 0, 0.8);
}

.hero-bottom-left,
.hero-bottom-right {
    align-self: flex-start;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.hero-btn {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.about-hero-banner,
.product-hero-banner,
.tech-hero-banner,
.supply-hero-banner,
.certs-hero-banner,
.sustain-hero-banner,
.contact-hero-banner {
    position: relative;
    width: 100%;
    min-height: 420px;
    padding-top: 135px; /* Đẩy sát dưới fixed navbar */
    padding-bottom: 50px;
    display: flex;
    align-items: flex-start;
    overflow: hidden;
    box-sizing: border-box;
}

.about-hero-bg,
.product-hero-bg,
.tech-hero-bg,
.supply-hero-bg,
.certs-hero-bg,
.sustain-hero-bg,
.contact-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-hero-bg img,
.product-hero-bg img,
.tech-hero-bg img,
.supply-hero-bg img,
.certs-hero-bg img,
.sustain-hero-bg img,
.contact-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 36%;
    display: block;
}

.product-hero-bg img {
    object-position: center 42%;
}

.supply-hero-bg img {
    object-position: center 52%;
}

.certs-hero-bg img {
    object-position: center 38%;
}

.sustain-hero-bg img {
    object-position: center 42%;
}

.contact-hero-bg img {
    object-position: center 42%;
}

/* Lớp phủ gradient chuẩn mẫu: Tối ở bên trái để chữ trắng cực kỳ rõ ràng, trong trẻo ở bên phải để lộ hình ảnh thực tế */
.about-hero-overlay,
.product-hero-overlay,
.tech-hero-overlay,
.supply-hero-overlay,
.certs-hero-overlay,
.sustain-hero-overlay,
.contact-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(11, 43, 32, 0.94) 0%,
        rgba(11, 43, 32, 0.75) 35%,
        rgba(22, 131, 76, 0.35) 60%,
        rgba(0, 0, 0, 0.08) 100%
    );
    pointer-events: none;
}

.product-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(14, 28, 22, 0.92) 0%,
        rgba(14, 28, 22, 0.72) 36%,
        rgba(14, 28, 22, 0.22) 65%,
        rgba(0, 0, 0, 0.05) 100%
    );
}

.tech-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(11, 43, 32, 0.94) 0%,
        rgba(11, 43, 32, 0.76) 36%,
        rgba(11, 43, 32, 0.28) 64%,
        rgba(0, 0, 0, 0.06) 100%
    );
}

.supply-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(9, 32, 24, 0.94) 0%,
        rgba(9, 32, 24, 0.76) 36%,
        rgba(9, 32, 24, 0.25) 62%,
        rgba(0, 0, 0, 0.06) 100%
    );
}

.certs-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(10, 36, 26, 0.95) 0%,
        rgba(10, 36, 26, 0.82) 38%,
        rgba(10, 36, 26, 0.32) 66%,
        rgba(0, 0, 0, 0.08) 100%
    );
}

.sustain-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(11, 43, 32, 0.94) 0%,
        rgba(11, 43, 32, 0.74) 35%,
        rgba(11, 43, 32, 0.26) 62%,
        rgba(0, 0, 0, 0.05) 100%
    );
}

.contact-hero-overlay {
    background: linear-gradient(
        to right,
        rgba(12, 38, 28, 0.95) 0%,
        rgba(12, 38, 28, 0.78) 36%,
        rgba(12, 38, 28, 0.28) 64%,
        rgba(0, 0, 0, 0.08) 100%
    );
}

.about-hero-container,
.product-hero-container,
.tech-hero-container,
.supply-hero-container,
.certs-hero-container,
.sustain-hero-container,
.contact-hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    padding: 0 clamp(24px, 3.2vw, 48px);
    box-sizing: border-box;
}

.about-hero-content,
.product-hero-content,
.tech-hero-content,
.supply-hero-content,
.certs-hero-content,
.sustain-hero-content,
.contact-hero-content {
    max-width: 1150px;
    color: #ffffff;
    text-align: left;
}

.product-hero-content {
    max-width: 820px;
}

.about-hero-eyebrow,
.product-hero-eyebrow,
.tech-hero-eyebrow,
.supply-hero-eyebrow,
.certs-hero-eyebrow,
.sustain-hero-eyebrow,
.contact-hero-eyebrow {
    display: inline-block;
    color: var(--accent-color);
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.about-hero-title,
.product-hero-title,
.tech-hero-title,
.supply-hero-title,
.certs-hero-title,
.sustain-hero-title,
.contact-hero-title {
    font-size: clamp(1.25rem, 2.1vw, 2.05rem);
    font-weight: 800;
    line-height: 1.25;
    color: #ffffff;
    margin-bottom: 0;
    text-transform: uppercase;
    letter-spacing: -0.3px;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7);
    text-wrap: balance;
}

.about-hero-title {
    font-size: clamp(1.2rem, 1.95vw, 1.95rem);
    white-space: nowrap;
}

/* Khối giới thiệu 2 cột theo phong cách chuẩn mẫu CM Biomass */
.about-split-section {
    background-color: #EFECE6; /* Màu ngà ấm cao cấp theo đúng ảnh mẫu tham chiếu */
    padding: 85px 0;
    width: 100%;
    scroll-margin-top: 80px;
}

.about-team-intro-section {
    padding: 85px 0 90px;
    margin-top: 0;
    scroll-margin-top: 80px;
}

.about-team-intro-section .about-split-grid.split-reverse {
    margin-top: 0;
}

.about-split-grid {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 65px;
    align-items: stretch;
}

.about-split-grid.split-reverse {
    grid-template-columns: 1.35fr 1fr;
    margin-top: 135px;
}

.about-split-desc-wrap .about-split-desc {
    margin-bottom: 16px;
}

.about-split-desc-wrap .about-split-desc:last-child {
    margin-bottom: 26px;
}

.about-split-text {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-split-heading {
    font-size: clamp(1.4rem, 1.85vw, 1.68rem);
    font-weight: 700;
    line-height: 1.35;
    color: #111827;
    margin-bottom: 22px;
    letter-spacing: -0.3px;
    text-align: left;
    text-wrap: balance;
}

.about-split-desc {
    font-size: clamp(0.95rem, 1vw, 1.02rem);
    color: #374151;
    line-height: 1.75;
    margin-bottom: 26px;
    text-align: justify;
}

.about-split-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

.btn-split-black {
    background-color: #0A0A0A;
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: 1px solid #0A0A0A;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-split-black:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.btn-split-outline {
    background-color: transparent;
    color: #111827;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: 1.5px solid #111827;
}

.btn-split-outline:hover {
    background-color: #111827;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.about-split-media {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 380px;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.12);
}

.about-split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 28px;
    transition: transform 0.5s ease;
}

.about-split-media:hover img {
    transform: scale(1.02);
}

/* Khối thông điệp thành lập và cam kết Net Zero */
.about-foundation-box {
    max-width: 950px;
    margin: 10px auto 40px;
    padding: 28px 36px;
    background: var(--white);
    border-radius: 16px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 10px 30px rgba(11, 43, 32, 0.05);
    border-top: 1px solid rgba(197, 160, 89, 0.15);
    border-right: 1px solid rgba(197, 160, 89, 0.15);
    border-bottom: 1px solid rgba(197, 160, 89, 0.15);
}

.about-foundation-lead {
    font-size: 1.05rem;
    line-height: 1.85;
    color: #374151;
    text-align: justify;
    margin: 0;
}

/* ==========================================
   KHỐI SỐ LIỆU ẤN TƯỢNG & QUY MÔ (KEY FIGURES BANNER)
   ========================================== */
.about-stats-banner {
    position: relative;
    width: 100%;
    min-height: 540px;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-bottom: 0;
}

.about-stats-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-stats-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    display: block;
}

.about-stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(10, 20, 15, 0.4) 0%,
        rgba(10, 20, 15, 0.55) 42%,
        rgba(10, 20, 15, 0.88) 72%,
        rgba(10, 20, 15, 0.95) 100%
    );
}

.about-stats-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    padding-top: 55px;
    padding-bottom: 55px;
}

.about-stats-content {
    width: 100%;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: clamp(2.4rem, 3.2vw, 3.4rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
    letter-spacing: -0.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.stat-unit {
    color: var(--accent-color, #C5A059);
    margin-left: 2px;
}

.stat-line {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.35);
    margin: 8px 0 10px;
}

.stat-label {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
}

/* Features Grid 3 Columns */
.features-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 10px;
}

.feature-card-modern {
    background: var(--white);
    padding: 32px 28px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(11, 43, 32, 0.05);
    border: 1px solid rgba(197, 160, 89, 0.2);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.feature-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(11, 43, 32, 0.1);
    border-color: var(--accent-color);
}

.feature-card-modern .card-icon {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    background: rgba(197, 160, 89, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card-modern .card-icon i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.feature-card-modern h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card-modern p {
    color: #4A5568;
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: justify;
}

.image-card:hover img { transform: scale(1.03); }

/* Leadership Section (Tạm thời ẩn theo yêu cầu) */
#leadership {
    display: none !important;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    border: 1px solid #E2E8F0;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--gold-border);
}

.member-avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    margin: 0 auto 18px;
    box-shadow: 0 4px 14px rgba(22, 131, 76, 0.25);
    border: 2px solid rgba(197, 160, 89, 0.35);
    transition: transform 0.3s ease;
}

.team-member:hover .member-avatar {
    transform: scale(1.08);
}

.team-member h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 6px;
}

.member-role {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Products Section - Story Blocks */
.product-story-section {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin: 45px 0 55px;
}

.story-block {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 400px;
    width: 100%;
}

.story-block .story-image-wrap {
    width: 64%;
    margin-left: auto;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.08);
    height: 400px;
}

.story-block .story-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.story-block:hover .story-image-wrap img {
    transform: scale(1.03);
}

.story-block .story-content-card {
    position: absolute;
    left: 0;
    width: 48%;
    background: #ffffff;
    padding: 40px 36px;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    z-index: 2;
    text-align: left;
    border: 1px solid rgba(197, 160, 89, 0.2);
}

.story-block .story-content-card h3 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 14px;
    line-height: 1.35;
}

.story-block .story-content-card p {
    font-size: 0.98rem;
    line-height: 1.8;
    color: #4A5568;
    text-align: justify;
    margin: 0;
}

.story-block .story-content-card .highlight-link {
    color: var(--primary-color);
    font-weight: 700;
    border-bottom: 1px solid var(--accent-color);
}

.story-block.reverse .story-image-wrap {
    margin-left: 0;
    margin-right: auto;
}

.story-block.reverse .story-content-card {
    left: auto;
    right: 0;
}

/* Biomass Applications Infographic */
.biomass-applications {
    margin-top: 50px;
    text-align: left;
}

.biomass-showcase-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.06);
    border: 1px solid #E2E8F0;
    transition: var(--transition);
}

.biomass-header {
    padding: 35px 40px 20px;
}

.biomass-header h3 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.biomass-header p {
    font-size: 0.98rem;
    line-height: 1.8;
    color: #4A5568;
    text-align: justify;
    margin: 0;
}

.biomass-media {
    border-top: 1px solid #F1F5F9;
    background: #ffffff;
}

.biomass-media img {
    width: 100%;
    height: auto;
    display: block;
}

/* =======================================================
   CHUỖI CUNG ỨNG - DẠNG KHỐI HÌNH ẢNH & LIÊN KẾT TUẦN HOÀN
   ======================================================= */
.supply-chain-flow-container {
    max-width: 1140px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 65px;
}

.story-block .story-content-card strong {
    color: var(--primary-color, #16834C);
    font-weight: 700;
}

/* Thẻ chỉ dẫn số thứ tự bước */
.chain-step-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(197, 160, 89, 0.12);
    border: 1px solid rgba(197, 160, 89, 0.35);
    border-radius: 20px;
    color: #8C6A2E;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* Phần tử kết nối dòng chảy giữa các khối */
.chain-flow-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    position: relative;
    z-index: 3;
}

.chain-flow-line {
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, rgba(197, 160, 89, 0.3) 0%, rgba(197, 160, 89, 0.9) 100%);
}

.chain-flow-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: #FFFFFF;
    border: 1.5px solid var(--accent-color, #C2A676);
    border-radius: 30px;
    color: var(--primary-color, #16834C);
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(11, 43, 32, 0.08);
    margin: 6px 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chain-flow-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(11, 43, 32, 0.12);
}

.chain-flow-badge i {
    color: var(--accent-color, #C2A676);
    font-size: 1.15rem;
    animation: bounceDown 2s infinite ease-in-out;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* Khối thẻ khép kín chu trình Net-Zero */
.chain-loop-card {
    margin-top: 35px;
    background: linear-gradient(135deg, #116A3D 0%, #16834C 100%);
    border-radius: 18px;
    padding: 32px 42px;
    border: 1.5px solid rgba(197, 160, 89, 0.45);
    box-shadow: 0 16px 40px rgba(11, 43, 32, 0.15);
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 28px;
    text-align: left;
}

.chain-loop-card .loop-icon-wrap {
    width: 66px;
    height: 66px;
    min-width: 66px;
    border-radius: 50%;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    border: 2px solid var(--accent-color, #C2A676);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color, #C2A676);
    font-size: 2rem;
    box-shadow: 0 4px 16px rgba(11, 43, 32, 0.25);
    animation: rotateLoop 10s linear infinite;
}

@keyframes rotateLoop {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.chain-loop-card .loop-card-text h4 {
    color: var(--accent-color, #C2A676);
    font-size: 1.32rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.chain-loop-card .loop-card-text p {
    color: #E2E8F0;
    font-size: 0.98rem;
    line-height: 1.7;
    margin: 0;
}

.chain-loop-card .loop-card-text strong {
    color: #FFFFFF;
    font-weight: 700;
}

@media (max-width: 768px) {
    .supply-chain-flow-container {
        gap: 40px;
    }
    .chain-loop-card {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
        gap: 16px;
        margin-top: 25px;
    }
    .chain-loop-card .loop-icon-wrap {
        margin: 0 auto;
    }
}

/* Process Section (8 Steps) */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 35px;
}

.process-step {
    background: var(--white);
    padding: 25px 20px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    text-align: center;
    border: 1px solid #E2E8F0;
    transition: var(--transition);
}

.process-step:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(11, 43, 32, 0.08);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--gold-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 12px;
}

.process-step i {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: block;
}

.process-step h4 {
    font-size: 1.05rem;
    color: var(--primary-color);
}

.step-note {
    font-size: 0.88rem;
    color: var(--text-light);
    margin-top: 6px;
    line-height: 1.45;
}

/* ESG Section */
.esg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.esg-card {
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    border: 1px solid #E2E8F0;
}

.esg-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 36px rgba(0,0,0,0.1);
    border-color: var(--gold-border);
}

.esg-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #e2e8f0;
}

.esg-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.esg-card:hover .esg-card-img img {
    transform: scale(1.05);
}

.esg-card-body {
    padding: 20px 25px 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.esg-icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--gold-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: -50px auto 16px;
    border: 4px solid var(--white);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.esg-card h4 {
    color: var(--primary-color);
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 12px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.esg-card p {
    color: #4A5568;
    line-height: 1.7;
    font-size: 0.92rem;
    text-align: justify;
}

/* Certifications */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.cert-placeholder {
    padding: 40px 25px;
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.cert-placeholder:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-color);
}

.cert-logo-box {
    width: 100%;
    max-width: 220px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-placeholder:hover .cert-logo-box {
    transform: scale(1.04);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.cert-svg {
    width: 100%;
    height: auto;
    display: block;
}

.cert-placeholder h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Cert Meta & Badges */
.cert-meta-info {
    margin-top: 22px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    transition: all 0.3s ease;
}

.cert-badge-active {
    background: rgba(22, 131, 76, 0.08);
    color: #16834C;
    border: 1.5px solid rgba(22, 131, 76, 0.28);
}

.cert-badge-active strong {
    font-weight: 800;
    letter-spacing: 0.5px;
    font-size: 1.05rem;
    color: #0E5E35;
}

.cert-badge-pending {
    background: #FFF9F2;
    color: #B45309;
    border: 1.5px dashed #F59E0B;
}

.cert-badge-pending i {
    color: #D97706;
    font-size: 1.05rem;
}

/* Partner Spotlight Cards */
.partner-spotlight-card {
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #E2E8F0;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 35px;
    align-items: center;
    margin: 35px auto;
    text-align: left;
    max-width: 1080px;
    transition: var(--transition);
}

.partner-spotlight-card:hover {
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(2px);
}

.partner-spotlight-img {
    height: 100%;
    min-height: 320px;
    overflow: hidden;
}

.partner-spotlight-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.partner-spotlight-content {
    padding: 30px 40px 30px 10px;
}

.partner-spotlight-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.partner-spotlight-content p {
    color: #4A5568;
    line-height: 1.75;
    font-size: 0.95rem;
    text-align: justify;
}

.partner-spotlight-card.reverse {
    grid-template-columns: 1.2fr 1fr;
}

.partner-spotlight-card.reverse .partner-spotlight-img {
    order: 2;
}

.partner-spotlight-card.reverse .partner-spotlight-content {
    order: 1;
    padding: 30px 10px 30px 40px;
}

/* Footer */
.site-footer {
    padding: 45px 0 20px;
    background: linear-gradient(135deg, #16834C 0%, #116A3D 100%);
    color: #ffffff;
    font-size: 0.9rem;
}

.site-footer .container {
    max-width: 1100px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 2.5fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-col h4 {
    color: #FFD275; /* Vàng kim sáng nổi bật trên nền xanh lá logo */
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.footer-logo {
    color: #fff;
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.footer-logo .footer-line {
    display: block;
    white-space: nowrap;
}

.footer-desc {
    color: #E6F4EA;
    line-height: 1.6;
    max-width: 280px;
    font-size: 0.88rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 9px;
}

.footer-col ul a {
    color: #E6F4EA;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: #ffffff;
    padding-left: 4px;
}

.contact-compact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #E6F4EA;
    margin-bottom: 10px;
    line-height: 1.5;
}

.contact-compact i {
    font-size: 1.15rem;
    color: #FFD275;
    margin-top: 2px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    color: #D1E7DD;
    font-size: 0.82rem;
}

/* Responsive Styles */
@media (max-width: 1150px) {
    .nav-two-tier .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #F9F5EC; /* Nền kem/vàng nhạt */
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        box-shadow: 0 12px 28px rgba(0,0,0,0.12);
        display: none;
        gap: 16px;
        border-top: 1px solid #E2E8F0;
    }
    
    .nav-two-tier .nav-links.active { 
        display: flex; 
    }
    
    .nav-two-tier .nav-links a:not(.btn-primary) { 
        color: var(--primary-color); 
        font-size: 1rem;
        font-weight: 600;
        width: 100%;
        padding: 6px 0;
    }

    .desktop-only-actions {
        display: none;
    }

    .mobile-only-actions {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        width: 100%;
        padding-top: 16px;
        border-top: 1px solid #E2E8F0;
    }

    .mobile-toggle { 
        display: block; 
    }
}

@media (max-width: 992px) {
    .grid-2 { grid-template-columns: 1fr; gap: 40px; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .esg-grid { grid-template-columns: 1fr; gap: 25px; }
    .cert-grid { grid-template-columns: 1fr; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    .story-block, .story-block.reverse {
        flex-direction: column;
        min-height: auto;
    }
    .story-block .story-image-wrap, .story-block.reverse .story-image-wrap {
        width: 100%;
        height: 280px;
    }
    .story-block .story-content-card, .story-block.reverse .story-content-card {
        position: static;
        width: 92%;
        margin: -35px auto 0;
        padding: 28px 22px;
    }
    .partner-spotlight-card, .partner-spotlight-card.reverse {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .partner-spotlight-content, .partner-spotlight-card.reverse .partner-spotlight-content {
        padding: 25px 20px;
    }
    .partner-spotlight-card.reverse .partner-spotlight-img { order: 1; }
    .partner-spotlight-card.reverse .partner-spotlight-content { order: 2; }
    .partner-spotlight-img { min-height: 240px; height: 240px; }
}

@media (max-width: 640px) {
    .team-grid, .process-steps { grid-template-columns: 1fr; }
}

/* ==========================================
   MULTI-VIEW / TABBED PAGE ARCHITECTURE
   ========================================== */
.page-section {
    display: none;
    padding-top: 130px;
    padding-bottom: 80px;
    min-height: calc(100vh - 280px);
}

.page-section.active-section {
    display: block;
    animation: pageFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#home.page-section {
    padding-top: 0;
    padding-bottom: 70px;
}

/* Home Portal Cards */
.home-portal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 35px;
}

@media (min-width: 993px) {
    .home-portal-grid > .portal-card:last-child:nth-child(3n + 1) {
        grid-column: 2;
    }
}

.portal-card {
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    padding: 22px 24px;
    text-align: left;
    transition: var(--transition);
    display: grid;
    grid-template-columns: 52px 1fr;
    grid-template-rows: auto auto;
    column-gap: 18px;
    row-gap: 6px;
    align-items: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gold-gradient);
    opacity: 0;
    transition: var(--transition);
}

.portal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 30px rgba(11, 43, 32, 0.1);
    border-color: var(--gold-border);
}

.portal-card:hover::before {
    opacity: 1;
}

.portal-icon {
    grid-column: 1;
    grid-row: 1 / 3;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 14px rgba(22, 131, 76, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    margin-bottom: 0;
    align-self: center;
    transition: var(--transition);
}

.portal-card:hover .portal-icon {
    background: linear-gradient(135deg, #199859 0%, #116A3D 100%);
    color: #E6CA85;
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 6px 18px rgba(22, 131, 76, 0.35);
}

.portal-card h3 {
    grid-column: 2;
    grid-row: 1;
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: 0;
    font-weight: 700;
    line-height: 1.35;
}

.portal-card p {
    grid-column: 2;
    grid-row: 2;
    color: #718096;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 8px;
}

.portal-btn {
    grid-column: 2;
    grid-row: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.88rem;
    margin-top: 0;
    transition: var(--transition);
}

.portal-card:hover .portal-btn {
    color: var(--primary-color);
    gap: 12px;
}

/* Contact Section & Form */
.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 40px;
    margin-top: 40px;
    align-items: start;
    text-align: left;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 22px 25px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.contact-info-icon {
    width: 46px;
    height: 46px;
    min-width: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(22, 131, 76, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-text h4 {
    color: var(--primary-color);
    font-size: 1.05rem;
    margin-bottom: 4px;
    font-weight: 700;
}

.contact-info-text h4:last-child {
    margin-bottom: 0;
}

.contact-info-text p {
    color: #4A5568;
    font-size: 0.92rem;
    line-height: 1.5;
}

.contact-form-card {
    background: var(--white);
    border: 1px solid #E2E8F0;
    border-radius: 20px;
    padding: 35px 35px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}

.contact-form-card h3 {
    color: var(--primary-color);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.contact-form-card .form-subtitle {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    color: var(--primary-color);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #CBD5E0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--text-color);
    background: #FAFBF9;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

@media (max-width: 992px) {
    .home-portal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-page-grid {
        grid-template-columns: 1fr;
    }
    .features-grid-3 {
        grid-template-columns: 1fr;
    }
    .about-split-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-split-grid.split-reverse {
        grid-template-columns: 1fr;
        margin-top: 75px;
    }
    .about-split-grid.split-reverse .about-split-text {
        order: 1;
    }
    .about-split-grid.split-reverse .about-split-media {
        order: 2;
    }
    .about-split-media {
        min-height: 320px;
        height: 380px;
    }
    .about-hero-content,
    .product-hero-content,
    .supply-hero-content,
    .certs-hero-content,
    .sustain-hero-content,
    .contact-hero-content {
        max-width: 90%;
    }
    .about-stats-banner {
        min-height: auto;
        padding: 60px 0;
    }
    .about-stats-overlay {
        background: rgba(10, 20, 15, 0.85);
    }
    .about-stats-container {
        justify-content: center;
        padding-top: 0;
        padding-bottom: 0;
    }
    .about-stats-content {
        max-width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    .hero-container {
        padding: 40px 25px 35px;
    }
    .hero-top-left {
        max-width: 90%;
    }
}

@media (max-width: 600px) {
    .home-portal-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .about-split-section {
        padding: 55px 0;
    }
    .about-split-heading {
        font-size: 1.35rem;
        line-height: 1.35;
    }
    .about-split-heading .desktop-br {
        display: none;
    }
    .about-split-actions .btn-split-black,
    .about-split-actions .btn-split-outline {
        width: 100%;
        justify-content: center;
    }
    .about-split-media {
        min-height: 240px;
        height: 270px;
    }
    .about-stats-banner {
        padding: 45px 0;
    }
    .about-stats-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .stat-number {
        font-size: 2.2rem;
    }
    .stat-label {
        font-size: 0.78rem;
        letter-spacing: 0.8px;
    }
    .about-hero-banner,
    .product-hero-banner,
    .tech-hero-banner,
    .supply-hero-banner,
    .certs-hero-banner,
    .sustain-hero-banner,
    .contact-hero-banner {
        padding-top: 90px;
        padding-bottom: 45px;
        min-height: 440px;
    }
    .about-hero-overlay,
    .product-hero-overlay,
    .tech-hero-overlay,
    .supply-hero-overlay,
    .certs-hero-overlay,
    .sustain-hero-overlay,
    .contact-hero-overlay {
        background: linear-gradient(
            to bottom,
            rgba(11, 43, 32, 0.92) 0%,
            rgba(11, 43, 32, 0.86) 55%,
            rgba(11, 43, 32, 0.75) 100%
        );
    }
    .about-hero-container,
    .product-hero-container,
    .tech-hero-container,
    .supply-hero-container,
    .certs-hero-container,
    .sustain-hero-container,
    .contact-hero-container {
        padding: 0 20px;
    }
    .about-hero-title,
    .product-hero-title,
    .tech-hero-title,
    .supply-hero-title,
    .certs-hero-title,
    .sustain-hero-title,
    .contact-hero-title {
        white-space: normal;
        font-size: 1.45rem;
    }
    .hero {
        height: 75vh;
        min-height: 480px;
        padding-top: 80px;
    }
    .hero-bg img {
        object-position: center 40%;
    }
    .hero-container {
        padding: 15px 18px 25px;
        gap: 20px;
    }
    .hero-top-left {
        max-width: 100%;
    }
    .hero-slogan {
        font-size: 1.35rem;
        line-height: 1.35;
    }
    .hero-bottom-left,
    .hero-bottom-right {
        align-self: flex-start;
        justify-content: flex-start;
        width: 100%;
        gap: 10px;
    }
    .hero-bottom-left .hero-btn,
    .hero-bottom-right .hero-btn {
        width: 100%;
        text-align: center;
        padding: 11px 20px;
        font-size: 0.95rem;
    }
}

/* ==========================================================================
   TẦM NHÌN, SỨ MỆNH & GIÁ TRỊ CỐT LÕI (ABOUT VM SECTION)
   ========================================================================== */
.about-vm-section {
    background-color: #FAFAF8;
    padding: 75px 0 80px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.15);
}

.vm-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 55px;
}

.vm-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 36px 32px;
    border: 1px solid rgba(197, 160, 89, 0.22);
    box-shadow: 0 10px 30px rgba(11, 43, 32, 0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vm-card:hover {
    transform: translateY(2px);
    box-shadow: 0 16px 36px rgba(11, 43, 32, 0.08);
    border-color: var(--accent-color);
}

.vm-card-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #F3F4F6;
}

.vm-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 14px rgba(22, 131, 76, 0.25);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.vm-badge {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.vm-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.vm-lead {
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.7;
    color: #111827;
    margin-bottom: 14px;
    text-align: justify;
}

.vm-desc {
    font-size: 0.94rem;
    line-height: 1.75;
    color: #4B5563;
    text-align: justify;
    margin: 0;
}

.cv-section-wrapper {
    padding-top: 10px;
}

.cv-header {
    margin-bottom: 35px;
}

.cv-title-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

.cv-title-wrapper .vm-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    font-size: 1.7rem;
    flex-shrink: 0;
}

.cv-main-title {
    font-size: clamp(1.5rem, 2vw, 1.85rem);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.cv-sub {
    font-size: 0.98rem;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto;
}

.cv-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.cv-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.cv-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 26px 20px;
    border: 1px solid #E5E7EB;
    border-top: 3.5px solid var(--accent-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px rgba(11, 43, 32, 0.08);
    border-color: var(--accent-color);
}

.cv-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.cv-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 3px 10px rgba(11, 43, 32, 0.18);
    font-size: 1.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 0;
    transition: transform 0.3s ease;
}

.cv-card:hover .cv-icon-wrap {
    transform: scale(1.08);
}

.cv-card h4 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: 0.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.3;
}

.cv-card p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: #4B5563;
    text-align: justify;
    margin: 0;
}

@media (max-width: 992px) {
    .vm-cards-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .cv-grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .cv-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .about-vm-section {
        padding: 50px 0 55px;
    }
    .vm-card {
        padding: 28px 22px;
    }
}

@media (max-width: 640px) {
    .cv-grid-4 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ==========================================================================
   GIẢI PHÁP NĂNG LƯỢNG BỀN VỮNG (PRODUCT INTRO)
   ========================================================================== */
.product-intro-wrapper {
    max-width: 960px;
    margin: 0 auto 55px;
    text-align: center;
}

.product-intro-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 14px;
    background: rgba(197, 160, 89, 0.12);
    padding: 6px 18px;
    border-radius: 50px;
    border: 1px solid rgba(197, 160, 89, 0.25);
}

.product-intro-heading {
    font-size: clamp(1.8rem, 2.8vw, 2.35rem);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    text-transform: uppercase;
}

.product-intro-card {
    background: #FAFAF8;
    border: 1px solid rgba(197, 160, 89, 0.25);
    border-radius: 20px;
    padding: 36px 42px;
    box-shadow: 0 10px 30px rgba(11, 43, 32, 0.04);
    text-align: justify;
}

.product-intro-lead {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.8;
    color: #111827;
    margin-bottom: 18px;
}

.product-intro-desc {
    font-size: 1.01rem;
    font-weight: 400;
    line-height: 1.8;
    color: #4B5563;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .product-intro-wrapper {
        margin-bottom: 40px;
    }
    .product-intro-card {
        padding: 26px 20px;
        border-radius: 14px;
    }
    .product-intro-lead,
    .product-intro-desc {
        font-size: 0.95rem;
        line-height: 1.7;
    }
}

/* ==========================================================================
   BANNER THỐNG KÊ SẢN LƯỢNG & QUY MÔ SẢN PHẨM (PRODUCT STATS STRIP)
   ========================================================================== */
.product-stats-strip-wrapper {
    max-width: 1200px;
    margin: 40px auto 55px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(11, 43, 32, 0.08);
    border: 1px solid rgba(197, 160, 89, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-stats-strip-wrapper:hover {
    transform: translateY(2px);
    box-shadow: 0 18px 45px rgba(11, 43, 32, 0.12);
}

.product-stats-strip-img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .product-stats-strip-wrapper {
        margin: 30px auto 40px;
        border-radius: 14px;
    }
}

/* ==========================================================================
   BANNER HÌNH ẢNH CHUYỂN TIẾP (QUY TRÌNH -> TIÊU CHÍ CHẤT LƯỢNG)
   ========================================================================== */
.product-banner-strip-wrapper {
    max-width: 1200px;
    margin: 40px auto 55px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(11, 43, 32, 0.08);
    border: 1px solid rgba(197, 160, 89, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-banner-strip-wrapper:hover {
    transform: translateY(2px);
    box-shadow: 0 18px 45px rgba(11, 43, 32, 0.12);
}

.product-banner-strip-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.product-banner-strip-wrapper:hover .product-banner-strip-img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .product-banner-strip-wrapper {
        margin: 30px auto 40px;
        border-radius: 14px;
    }
}

/* ==========================================================================
   QUY TRÌNH SẢN XUẤT 7 BƯỚC INFOGRAPHIC (PRODUCT PROCESS)
   ========================================================================== */
.product-process-infographic {
    background: #FFFFFF;
    border: 1px solid rgba(197, 160, 89, 0.25);
    border-radius: 24px;
    padding: 50px 36px 45px;
    margin: 45px auto 55px;
    box-shadow: 0 16px 45px rgba(11, 43, 32, 0.05);
    position: relative;
    overflow: hidden;
}

.product-process-infographic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #116A3D 0%, var(--accent-color) 50%, #116A3D 100%);
}

.process-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 12px;
    background: rgba(197, 160, 89, 0.12);
    padding: 6px 18px;
    border-radius: 50px;
    border: 1px solid rgba(197, 160, 89, 0.25);
}

.process-main-title {
    font-size: clamp(1.8rem, 2.6vw, 2.3rem);
    font-weight: 800;
    color: var(--primary-color);
    margin: 0 0 14px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.process-subtitle {
    font-size: 1rem;
    color: #4B5563;
    max-width: 820px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.process-pipeline-wrapper {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.process-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 12px;
}

.process-node-card {
    background: #FAFAF8;
    border: 1px solid #E5E7EB;
    border-radius: 18px;
    padding: 24px 18px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.process-node-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(11, 43, 32, 0.08);
    border-color: var(--accent-color);
    background: #FFFFFF;
}

.node-step-badge {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    background: rgba(11, 43, 32, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.node-step-badge.gold-badge {
    background: rgba(197, 160, 89, 0.2);
    color: #8B6508;
    border: 1px solid rgba(197, 160, 89, 0.4);
}

.node-step-badge.green-badge {
    background: rgba(16, 185, 129, 0.15);
    color: #065F46;
}

.node-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    font-size: 1.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 4px 14px rgba(11, 43, 32, 0.18);
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.process-node-card:hover .node-icon-box {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(11, 43, 32, 0.28);
}

.node-icon-box.wood-icon,
.node-icon-box.grind-icon,
.node-icon-box.hot-icon,
.node-icon-box.fine-icon,
.node-icon-box.press-icon,
.node-icon-box.cool-icon,
.node-icon-box.pack-icon,
.node-icon-box.export-icon {
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 14px rgba(22, 131, 76, 0.25);
    border: none;
}

.node-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 10px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.node-desc {
    font-size: 0.86rem;
    color: #4B5563;
    line-height: 1.65;
    margin: 0;
    flex-grow: 1;
    text-align: justify;
}

.node-tag {
    font-size: 0.74rem;
    font-weight: 700;
    color: #6B7280;
    background: #F3F4F6;
    padding: 4px 10px;
    border-radius: 6px;
    margin-top: auto;
}

.node-tag.highlight {
    background: rgba(217, 119, 6, 0.12);
    color: #B45309;
}

.node-tag.highlight-gold {
    background: rgba(197, 160, 89, 0.18);
    color: #8B6508;
}

.node-tag.highlight-green {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
}

.pipeline-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.4rem;
    padding: 0 4px;
}

@keyframes pulseArrow {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(4px); opacity: 1; color: #16834C; }
}

.pipeline-connector i {
    animation: pulseArrow 1.8s ease-in-out infinite;
}

.pipeline-turn-bridge {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 12px 0;
}

.turn-line {
    position: absolute;
    top: 50%;
    left: 8%;
    right: 8%;
    height: 2px;
    background: dashed 2px rgba(197, 160, 89, 0.4);
    z-index: 1;
}

.turn-badge {
    position: relative;
    z-index: 2;
    background: #FFFFFF;
    border: 1px solid rgba(197, 160, 89, 0.3);
    padding: 6px 22px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.turn-badge i {
    color: var(--accent-color);
}

.process-node-card.highlight-step {
    border: 1.5px solid var(--accent-color);
    background: #FFFCF7;
}

.process-node-card.result-card {
    border: 1.5px solid rgba(16, 185, 129, 0.4);
    background: #F7FEFA;
}

/* Metrics Banner */
.process-metrics-banner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: #FAFAF8;
    border: 1px solid rgba(197, 160, 89, 0.22);
    border-radius: 16px;
    padding: 22px 30px;
    margin-top: 36px;
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.metric-val {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.2;
    margin-bottom: 4px;
}

.metric-lbl {
    font-size: 0.8rem;
    font-weight: 700;
    color: #6B7280;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.metric-divider {
    width: 1px;
    height: 38px;
    background: rgba(197, 160, 89, 0.3);
}

@media (max-width: 1100px) {
    .process-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .pipeline-connector {
        display: none;
    }
    .pipeline-turn-bridge {
        display: none;
    }
    .process-metrics-banner {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .metric-divider {
        display: none;
    }
}

@media (max-width: 600px) {
    .product-process-infographic {
        padding: 35px 18px 30px;
        border-radius: 16px;
        margin: 35px auto 50px;
    }
    .process-row {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .node-desc {
        text-align: justify;
    }
    .process-metrics-banner {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 20px;
    }
}

/* ==========================================================================
   TIÊU CHUẨN CHẤT LƯỢNG INFOGRAPHIC (PRODUCT QUALITY INFOGRAPHIC)
   ========================================================================== */
.product-quality-infographic {
    max-width: 1200px;
    margin: 30px auto 60px;
    background: #FFFFFF;
    border: 1px solid rgba(197, 160, 89, 0.25);
    border-radius: 24px;
    box-shadow: 0 10px 35px rgba(11, 43, 32, 0.05);
    padding: 50px 40px 45px;
    position: relative;
    overflow: hidden;
}

.product-quality-infographic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #116A3D 0%, var(--accent-color) 50%, #116A3D 100%);
}

.quality-info-header {
    margin-bottom: 35px;
}

/* Khối Nguyên liệu đầu vào */
.quality-feedstock-card {
    background: linear-gradient(135deg, rgba(11, 43, 32, 0.03) 0%, rgba(197, 160, 89, 0.08) 100%);
    border: 1px solid rgba(197, 160, 89, 0.3);
    border-radius: 14px;
    padding: 12px 26px;
    display: flex;
    align-items: center;
    gap: 16px;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto 35px auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.quality-feedstock-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(11, 43, 32, 0.06);
}

.feedstock-icon-wrap {
    width: 46px;
    height: 46px;
    min-width: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    font-size: 1.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(11, 43, 32, 0.16);
}

.feedstock-content {
    flex-grow: 1;
    text-align: left;
}

.feedstock-tag-label {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 1.1px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.feedstock-title {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.feedstock-desc {
    font-size: 0.9rem;
    color: #4B5563;
    line-height: 1.6;
    margin: 0;
}

.feedstock-badge {
    flex-shrink: 0;
}

.fs-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #FFFFFF;
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #047857;
    font-size: 0.86rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 30px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.1);
}

/* Lưới 6 Chỉ tiêu kỹ thuật */
.quality-specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 18px;
    max-width: 920px;
    margin: 0 auto 30px auto;
}




.spec-card {
    background: #FAFAF8;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    text-align: left;
}

.spec-card:hover {
    transform: translateY(-2px);
    background: #FFFFFF;
    border-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(11, 43, 32, 0.08);
}

.spec-icon-box {
    width: 38px;
    height: 38px;
    min-width: 38px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 3px 10px rgba(11, 43, 32, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.spec-card:hover .spec-icon-box {
    transform: scale(1.08);
    box-shadow: 0 5px 14px rgba(11, 43, 32, 0.28);
}

.calorific-icon,
.moisture-icon,
.ash-icon,
.diameter-icon,
.length-icon,
.density-icon,
.alkali-icon,
.component-icon { 
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%); 
    color: var(--accent-color); 
}

.spec-info {
    flex-grow: 1;
}

.spec-name {
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.spec-desc {
    font-size: 0.84rem;
    color: #4B5563;
    line-height: 1.5;
    margin: 0;
}

.spec-pill {
    padding: 5px 13px;
    border-radius: 20px;
    font-size: 0.86rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    white-space: nowrap;
    flex-shrink: 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

.spec-pill,
.calorific-pill,
.moisture-pill,
.ash-pill,
.diameter-pill,
.length-pill,
.density-pill,
.alkali-pill,
.component-pill {
    background: rgba(197, 160, 89, 0.16);
    color: #855C08;
    border: 1px solid rgba(197, 160, 89, 0.38);
}

/* Khối Quy cách đóng hàng & Logistics */
.quality-packaging-section {
    background: #FAFAF8;
    border: 1px solid rgba(197, 160, 89, 0.22);
    border-radius: 20px;
    padding: 35px 30px;
    margin-bottom: 25px;
}

.packaging-sub-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-color);
    margin-bottom: 6px;
}

.packaging-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0 0 28px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    text-transform: uppercase;
    letter-spacing: -0.3px;
}

.packaging-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.packaging-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    padding: 24px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.packaging-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 12px 28px rgba(11, 43, 32, 0.08);
}

.packaging-card.highlight-pkg {
    border: 1.5px solid var(--accent-color);
    background: #FFFCF7;
}

.pkg-step-badge {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    background: rgba(11, 43, 32, 0.08);
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.pkg-step-badge.gold-pkg-badge {
    background: rgba(197, 160, 89, 0.2);
    color: #8B6508;
    border: 1px solid rgba(197, 160, 89, 0.35);
}

.pkg-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 14px rgba(22, 131, 76, 0.25);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    transition: transform 0.3s ease;
}

.packaging-card:hover .pkg-icon-box {
    transform: scale(1.1);
}

.pkg-icon-box.ocean-icon {
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
}

.pkg-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 10px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.pkg-desc {
    font-size: 0.85rem;
    color: #4B5563;
    line-height: 1.6;
    margin: 0 0 14px;
    flex-grow: 1;
    text-align: justify;
}

.pkg-benefit-tag {
    font-size: 0.74rem;
    font-weight: 700;
    color: #6B7280;
    background: #F3F4F6;
    padding: 4px 10px;
    border-radius: 6px;
    margin-top: auto;
}

.pkg-benefit-tag.highlight-tag {
    background: rgba(197, 160, 89, 0.2);
    color: #8B6508;
}

/* Dải cam kết kiểm định */
.quality-assurance-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(90deg, rgba(11, 43, 32, 0.05) 0%, rgba(197, 160, 89, 0.1) 100%);
    border: 1px dashed rgba(197, 160, 89, 0.4);
    border-radius: 14px;
    padding: 14px 22px;
    text-align: left;
    max-width: 920px;
    margin: 0 auto;
}

.qa-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 3px 10px rgba(11, 43, 32, 0.18);
    flex-shrink: 0;
}

.qa-text {
    font-size: 0.88rem;
    color: #374151;
    line-height: 1.6;
}

.qa-text strong {
    color: var(--primary-color);
}

@media (max-width: 992px) {
    .quality-specs-grid {
        grid-template-columns: 1fr;
    }
    .packaging-cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .quality-feedstock-card {
        padding: 10px 18px;
        gap: 12px;
    }
}

@media (max-width: 600px) {
    .product-quality-infographic {
        padding: 35px 18px 30px;
        border-radius: 16px;
        margin: 30px auto 50px;
    }
    .spec-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 9px 14px;
        gap: 10px;
    }
    .spec-icon-box {
        width: 34px;
        height: 34px;
        min-width: 34px;
        border-radius: 8px;
        font-size: 1.1rem;
    }
    .spec-name {
        font-size: 0.88rem;
    }
    .spec-pill {
        align-self: center;
        padding: 4px 10px;
        font-size: 0.8rem;
    }
    .quality-packaging-section {
        padding: 24px 16px;
    }
    .pkg-desc {
        text-align: left;
    }
    .quality-assurance-strip {
        flex-direction: column;
        text-align: center;
        padding: 18px 14px;
    }
}

/* =======================================================
   MỤC TÍNH BỀN VỮNG - 10 TIÊU CHUẨN PHÁT TRIỂN BỀN VỮNG
   ======================================================= */
.sustain-accordion-container {
    max-width: 900px;
    margin: 40px auto 0;
    text-align: left;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(11, 43, 32, 0.05);
    border: 1px solid rgba(197, 160, 89, 0.25);
    padding: 10px 36px;
}

.sustain-accordion-item {
    border-bottom: 1px solid #E2E8F0;
    transition: all 0.25s ease;
}

.sustain-accordion-item:last-child {
    border-bottom: none;
}

.sustain-accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.25s ease;
}

.sustain-accordion-header .sustain-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color, #16834C);
    letter-spacing: -0.2px;
    transition: color 0.25s ease;
}

.sustain-accordion-header:hover .sustain-title {
    color: var(--accent-hover, #A47D2E);
}

.sustain-accordion-header .sustain-icon {
    font-size: 1.25rem;
    color: #4A5568;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.sustain-accordion-item.active .sustain-accordion-header .sustain-title {
    color: var(--primary-color, #16834C);
    font-weight: 700;
}

.sustain-accordion-item.active .sustain-accordion-header .sustain-icon {
    transform: rotate(-90deg);
    color: var(--accent-color, #C5A059);
}

.sustain-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
    opacity: 0;
}

.sustain-accordion-item.active .sustain-accordion-body {
    max-height: 250px;
    opacity: 1;
    padding-bottom: 22px;
}

.sustain-accordion-body p {
    color: #4A5568;
    font-size: 0.98rem;
    line-height: 1.75;
    margin: 0;
    text-align: justify;
}

@media (max-width: 768px) {
    #sustainability .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    .sustain-accordion-container {
        padding: 5px 10px;
        margin-top: 25px;
        border-radius: 12px;
    }
    .sustain-accordion-header {
        padding: 14px 0;
    }
    .sustain-accordion-header .sustain-title {
        font-size: clamp(0.84rem, 3.0vw, 0.95rem);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        letter-spacing: -0.2px;
    }
    .sustain-accordion-header .sustain-icon {
        font-size: 1rem;
        margin-left: 6px;
        flex-shrink: 0;
    }
    .sustain-accordion-body p {
        font-size: 0.92rem;
        text-align: left;
    }

    /* Footer Logo: Clean 2-line layout on mobile */
    .footer-logo {
        font-size: clamp(0.95rem, 4.4vw, 1.15rem);
        line-height: 1.35;
        letter-spacing: 0.2px;
        text-align: center;
    }

    /* Home Portal Cards: 1 single line for all titles */
    .home-portal-grid {
        gap: 14px;
    }
    .portal-card {
        padding: 16px 14px;
        grid-template-columns: 44px 1fr;
        column-gap: 12px;
        row-gap: 4px;
        border-radius: 14px;
    }
    .portal-icon {
        width: 44px;
        height: 44px;
        font-size: 1.35rem;
        border-radius: 11px;
    }
    .portal-card h3 {
        font-size: clamp(0.95rem, 3.8vw, 1.08rem);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        letter-spacing: -0.2px;
    }
    .portal-btn {
        font-size: 0.82rem;
    }
}

/* ==========================================
   CÔNG NGHỆ SẢN XUẤT & HỆ THỐNG KHO VẬN (PRODUCTION TECHNOLOGY & LOGISTICS)
   ========================================== */
.tech-logistics-section {
    background: #FDFDFB;
    padding: 65px 0 85px;
    text-align: left;
}

.tech-logistics-header {
    text-align: center;
    max-width: 1100px;
    margin: 0 auto 32px;
}

.tech-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(197, 160, 89, 0.16);
    color: #855C08;
    border: 1px solid rgba(197, 160, 89, 0.4);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 16px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.tech-logistics-header .section-title {
    font-size: 1.85rem;
    letter-spacing: 0.5px;
    word-spacing: 2px;
    line-height: 1.3;
    margin-bottom: 16px;
}

@media (min-width: 992px) {
    .tech-logistics-header .section-title {
        white-space: nowrap;
    }
}

.tech-lead-intro {
    font-size: 1.02rem;
    color: #374151;
    line-height: 1.7;
    margin: 0 auto;
}

/* Khối 1: Công nghệ sản xuất (Production Technology) */
.tech-sub-block {
    background: #FFFFFF;
    border-radius: 18px;
    border: 1px solid rgba(197, 160, 89, 0.22);
    box-shadow: 0 8px 24px rgba(11, 43, 32, 0.04);
    padding: 36px 32px;
    margin-bottom: 40px;
}

.tech-sub-title-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.tech-sub-title-wrap .sub-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(11, 43, 32, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-sub-title-wrap h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.tech-sub-title-wrap p {
    font-size: 0.92rem;
    color: #4B5563;
    margin: 3px 0 0;
}

.tech-equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 22px;
}

.equipment-card {
    background: #FAFAF8;
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.equipment-card:hover {
    transform: translateY(2px);
    box-shadow: 0 10px 24px rgba(11, 43, 32, 0.08);
    border-color: var(--accent-color);
}

.equipment-img-wrap {
    width: 100%;
    height: 145px;
    overflow: hidden;
    position: relative;
    background: #E2E8F0;
}

.equipment-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.equipment-card:hover .equipment-img-wrap img {
    transform: scale(1.06);
}

.equipment-info {
    padding: 16px 14px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex-grow: 1;
}

.equipment-name {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 12px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    text-align: center;
}

.equipment-en-name {
    font-size: 0.8rem;
    color: #6B7280;
    margin-bottom: 10px;
    font-style: italic;
}

.equipment-cap-badge {
    margin-top: auto;
    display: inline-block;
    background: rgba(197, 160, 89, 0.16);
    color: #855C08;
    border: 1px solid rgba(197, 160, 89, 0.4);
    font-size: 0.82rem;
    font-weight: 800;
    padding: 5px 10px;
    border-radius: 8px;
    text-align: center;
}

/* Dải bẫy từ trường */
.magnetic-separator-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(90deg, rgba(11, 43, 32, 0.05) 0%, rgba(197, 160, 89, 0.1) 100%);
    border: 1px solid rgba(197, 160, 89, 0.45);
    border-radius: 12px;
    padding: 14px 20px;
}

.magnet-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 3px 10px rgba(11, 43, 32, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.magnet-text {
    flex: 1;
    font-size: 0.92rem;
    color: #374151;
    line-height: 1.6;
    text-align: justify;
    text-align-last: left;
}

.magnet-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Khối 2: Vận chuyển & Lưu kho (Logistic & Storage) */
.logistics-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 22px;
}

.logistics-stat-card {
    background: #FAFAF8;
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    padding: 14px 14px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logistics-stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(11, 43, 32, 0.06);
}

.logistics-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
}

.logistics-card-top .log-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: linear-gradient(135deg, #116A3D 0%, #199859 100%);
    color: var(--accent-color);
    box-shadow: 0 3px 8px rgba(11, 43, 32, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.logistics-stat-val {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.2;
    white-space: nowrap;
}

.logistics-stat-label {
    font-size: 0.68rem;
    color: #6B7280;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 3px;
    white-space: nowrap;
}

/* Thẻ Lợi thế cạnh tranh (Advantage) */
.logistics-advantage-banner {
    background: linear-gradient(135deg, #116A3D 0%, #16834C 100%);
    border: 1px solid var(--accent-color);
    border-radius: 14px;
    padding: 22px 28px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 8px 24px rgba(11, 43, 32, 0.16);
}

.advantage-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(197, 160, 89, 0.2);
    border: 1.5px solid var(--accent-color);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.advantage-text-content h4 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--accent-color);
    margin: 0 0 6px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.advantage-text-content p {
    font-size: 0.92rem;
    color: #E2E8F0;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 992px) {
    .tech-equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .logistics-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Warehouse Showcase */
.warehouse-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.warehouse-img-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(11, 43, 32, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.warehouse-img-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(11, 43, 32, 0.1);
    border-color: var(--accent-color);
}

.warehouse-card-media {
    width: 100%;
    height: 300px;
    overflow: hidden;
    display: block;
}

.warehouse-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.warehouse-img-card:hover .warehouse-card-media img {
    transform: scale(1.04);
}

@media (max-width: 640px) {
    .tech-logistics-section {
        padding: 45px 0 60px;
    }
    .tech-sub-block {
        padding: 24px 18px;
        margin-bottom: 30px;
    }
    .tech-equipment-grid {
        grid-template-columns: 1fr;
    }
    .logistics-stats-grid {
        grid-template-columns: 1fr;
    }
    .logistics-advantage-banner {
        flex-direction: column;
        text-align: center;
        gap: 14px;
        padding: 20px 16px;
    }
    .magnetic-separator-strip {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .warehouse-showcase-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .warehouse-card-media {
        height: 210px;
    }
}










/* --- MOBILE ALIGNMENT FIXES --- */
@media (max-width: 768px) {
    p, 
    .process-subtitle, 
    .cert-card p, 
    .loop-card-text p, 
    .advantage-text-content p, 
    .qa-text, 
    .magnet-text, 
    .tech-lead-intro, 
    .sustain-accordion-body p, 
    .about-split-desc, 
    .cv-desc, 
    .product-intro-desc, 
    .product-intro-lead, 
    .node-desc, 
    .pkg-desc, 
    .section-subtitle,
    .feedstock-content p,
    .portal-desc,
    .biomass-showcase-desc,
    .vm-desc,
    .vm-lead,
    .contact-info-text p {
        text-align: justify !important;
    }

    /* Kh?ng justify cc label, role ho?c footer */
    .member-role, .footer-logo, .copyright-text, .text-center {
        text-align: center !important;
    }
    
    /* Fix trn cc th? spec-pill */
    .spec-pill,
    .calorific-pill,
    .moisture-pill,
    .ash-pill,
    .diameter-pill,
    .length-pill,
    .density-pill,
    .alkali-pill,
    .component-pill {
        white-space: normal !important;
        text-align: right;
    }
    .spec-card {
        gap: 8px;
    }
}

/* Map Footer Styles */
.footer-map-container {
    display: block;
    margin-top: 25px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}
.footer-map-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.footer-map-container iframe {
    display: block;
    pointer-events: none; /* Allows clicking the wrapper link */
}
.map-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(11, 43, 32, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.3s ease;
}
.footer-map-container:hover .map-overlay {
    opacity: 1;
    background: rgba(11, 43, 32, 0.5);
}
.map-overlay-content {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateY(10px);
    transition: transform 0.3s ease;
}
.footer-map-container:hover .map-overlay-content {
    transform: translateY(0);
}

/* ==========================================
   NÚT VỀ ĐẦU TRANG (BACK TO TOP BUTTON)
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: var(--primary-color, #0B2B20);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    z-index: 9999;
}

.back-to-top:hover {
    background-color: var(--accent-color, #C5A059);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }
}