/* ========================================
   UNITEX COMPOSITE - Corporate Website
   ======================================== */

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0d2137;
    --primary-light: #1e3a5f;
    --primary-dark: #071527;
    --accent: #c8a45d;
    --accent-light: #d9bc7e;
    --text-dark: #1a1a2e;
    --text-gray: #6c757d;
    --text-light: #f8f9fa;
    --bg-light: #f4f7fc;
    --bg-gray: #e9ecef;
    --white: #ffffff;
    --border: #dee2e6;
    --shadow: 0 2px 20px rgba(13, 33, 55, 0.08);
    --shadow-hover: 0 8px 40px rgba(13, 33, 55, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

.bg-light {
    background: var(--bg-light);
}

.bg-primary {
    background: var(--primary);
    color: var(--text-light);
}

.text-center {
    text-align: center;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary);
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.25rem; }

.section-title {
    text-align: center;
    margin-bottom: 16px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 16px auto 48px;
}

/* ===== Header / Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    position: relative;
    padding: 4px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary);
}

.nav-menu a:hover::after, .nav-menu a.active::after {
    width: 100%;
}

/* ===== Language Switch ===== */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    background: #f3f5f9;
    border: 1px solid #e4e8ef;
    border-radius: 999px;
    padding: 3px;
}

.lang-btn {
    border: none;
    background: transparent;
    color: #6b7482;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    line-height: 1;
}

.lang-btn:hover {
    color: var(--primary);
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 2px 8px rgba(13, 33, 55, 0.25);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a::after {
    content: '\f0d7';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 6px;
    font-size: 0.75rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    list-style: none;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: var(--primary-dark) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
}

.nav-cta:hover {
    background: linear-gradient(135deg, #e3c98f, #d4af6a);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(200, 164, 93, 0.45);
}

.nav-cta::after {
    display: none;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #071527 0%, #0d2137 45%, #1e3a5f 100%);
    color: white;
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80" viewBox="0 0 80 80"><g fill="none" stroke="rgba(255,255,255,0.04)" stroke-width="1"><path d="M0 0h80v80H0z"/><circle cx="40" cy="40" r="30"/></g></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

.hero-tag {
    display: inline-block;
    background: rgba(200, 164, 93, 0.15);
    border: 1px solid rgba(200, 164, 93, 0.4);
    color: var(--accent-light);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    color: white;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 .highlight {
    color: var(--accent);
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: var(--primary-dark);
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e3c98f, #d4af6a);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 164, 93, 0.45);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-dark {
    background: var(--primary);
    color: white;
}

.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 56px;
    padding-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat {
    text-align: left;
}

.hero-stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

/* ===== Product Categories Grid ===== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.category-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

.category-card-body {
    padding: 20px;
}

.category-card-num {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.category-card h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.15rem;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.5;
}

.category-card-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.category-card:hover .category-card-arrow {
    color: var(--accent);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-feature-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.about-feature h5 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 2px;
}

.about-feature p {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin: 0;
}

/* ===== Applications Section ===== */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}

.app-item {
    text-align: center;
    padding: 32px 16px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.app-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.app-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.app-item h5 {
    color: var(--primary);
    font-size: 0.95rem;
}

/* ===== Global Presence ===== */
.global-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    position: relative;
    overflow: hidden;
}

.global-section h2 {
    color: white;
}

.global-countries {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 40px;
}

.global-country {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 20px 32px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.global-country:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.global-country-flag {
    font-size: 2rem;
    margin-bottom: 8px;
}

.global-country-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.global-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.global-stat {
    text-align: center;
}

.global-stat-num {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.global-stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    text-align: center;
    padding: 64px 0;
}

.cta-section h2 {
    color: white;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

/* ===== Products Page ===== */
.products-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    padding: 140px 0 60px;
    text-align: center;
}

.products-hero h1 {
    color: white;
    margin-bottom: 12px;
}

.products-hero p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.products-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: white;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.product-section {
    margin-bottom: 60px;
}

.product-section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--bg-gray);
}

.product-section-num {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.product-section-header h3 {
    margin: 0;
}

.product-section-header p {
    margin: 0;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.product-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.product-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    background: var(--bg-light);
}

.product-card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card h4 {
    color: var(--primary);
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.product-card p {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.5;
    flex: 1;
}

.product-card-tag {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
}

/* ===== Product Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: 16px;
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 32px;
    position: relative;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-gray);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--accent);
    color: white;
}

.modal h3 {
    margin-bottom: 8px;
    padding-right: 40px;
}

.modal-en {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.modal-desc {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.modal-features {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.modal-features h5 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1rem;
}

.modal-features ul {
    list-style: none;
}

.modal-features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-dark);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.modal-features li::before {
    content: '\2714';
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}

.modal-img {
    width: 100%;
    border-radius: 12px;
    margin-top: 16px;
}

/* ===== About Page ===== */
.about-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    padding: 140px 0 60px;
    text-align: center;
}

.about-hero h1 {
    color: white;
    margin-bottom: 12px;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-content {
    width: 45%;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 24px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--accent);
}

.timeline-year {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

/* Values Cards */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.value-card {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
}

.value-card h4 {
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== Contact Page ===== */
.contact-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    padding: 140px 0 60px;
    text-align: center;
}

.contact-hero h1 {
    color: white;
    margin-bottom: 12px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background: var(--primary);
    color: white;
    border-radius: 16px;
}

.contact-info h3 {
    color: white;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-item h5 {
    color: white;
    margin-bottom: 4px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.contact-form {
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(13, 33, 55, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-col h5 {
    color: white;
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.footer-contact-item i {
    color: var(--accent);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .global-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-hover);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-dropdown .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        min-width: auto;
        padding: 0 0 0 16px;
    }

    .mobile-toggle {
        display: block;
    }

    .lang-switch {
        margin-left: auto;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .hero-stat-num {
        font-size: 1.8rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }

    .section {
        padding: 48px 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}
