/* ================================
   东富云 - 企业官网全局样式
   国际贸易 · 大宗产品
   ================================ */

/* ===== CSS Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 深海蓝 */
    --color-primary: #0a2540;
    --color-primary-light: #1a3a5c;
    --color-primary-dark: #061a2e;
    /* 辅助色 - 香槟金 */
    --color-accent: #c9a961;
    --color-accent-light: #d4b87a;
    --color-accent-dark: #b08d45;
    /* 中性色 */
    --color-white: #ffffff;
    --color-bg: #f8f9fb;
    --color-bg-alt: #f0f2f5;
    --color-text: #2a2f3a;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-border: #e2e5ea;
    /* 功能色 */
    --color-success: #10b981;
    --color-danger: #ef4444;
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
    --shadow-md: 0 4px 20px rgba(10, 37, 64, 0.1);
    --shadow-lg: 0 8px 40px rgba(10, 37, 64, 0.15);
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* 容器宽度 */
    --container-max: 1200px;
    /* 导航栏高度 */
    --nav-height: 72px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
        sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Section ===== */
.section {
    padding: var(--space-xl) 0;
}

.section--alt {
    background-color: var(--color-bg);
}

.section--dark {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===== Typography ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.5px;
}

.section--dark .section-title {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-lg);
    line-height: 1.8;
}

.section--dark .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.title-divider {
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 0 auto var(--space-md);
    border-radius: 2px;
}

.text-accent {
    color: var(--color-accent);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 169, 97, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn--dark {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn--dark:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}

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

/* ===== Language Toggle ===== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 32px;
    padding: 0 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.lang-toggle:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.nav-logo .logo-icon {
    width: 48px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.nav-logo .logo-text span {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 4px 0;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    overflow: hidden;
    color: var(--color-white);
}

/* Hero 背景图轮播层 */
.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 0.3;
}

/* 轮播指示器 */
.hero-slide-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.hero-slide-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    padding: 0;
}

.hero-slide-dot.active {
    background: var(--color-accent);
    width: 28px;
    border-radius: 5px;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.06) 0%, transparent 50%);
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(201, 169, 97, 0.15);
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--color-accent-light);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-badge::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
}

.hero-title .highlight {
    color: var(--color-accent);
}

.hero-desc {
    font-size: 1.15rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-lg);
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-stats {
    position: relative;
    z-index: 2;
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

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

.hero-stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Page Banner (内页顶部) ===== */
.page-banner {
    position: relative;
    padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.page-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
}

.page-banner .container {
    position: relative;
    z-index: 2;
}

.page-banner h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.5px;
}

.page-banner p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 560px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--space-sm);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb span {
    color: var(--color-accent);
}

/* ===== Cards ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===== Grid ===== */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== Feature List ===== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.feature-item .check-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    margin-top: 2px;
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== Stats Section ===== */
.stats-section {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    text-align: center;
}

.stat-item {
    padding: var(--space-sm);
}

.stat-num {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Timeline ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -34px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-accent);
}

.timeline-year {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== Product Category ===== */
.product-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.product-card-header {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-card-header.bg-1 { background: linear-gradient(135deg, #0a2540, #1a3a5c); }
.product-card-header.bg-2 { background: linear-gradient(135deg, #1a3a5c, #2a5278); }
.product-card-header.bg-3 { background: linear-gradient(135deg, #c9a961, #b08d45); }
.product-card-header.bg-4 { background: linear-gradient(135deg, #2a5278, #3a6b98); }
.product-card-header.bg-5 { background: linear-gradient(135deg, #b08d45, #9a7a35); }
.product-card-header.bg-6 { background: linear-gradient(135deg, #0a2540, #2a5278); }

.product-card-header svg {
    width: 64px;
    height: 64px;
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.product-card:hover .product-card-header svg {
    transform: scale(1.1);
}

.product-card-body {
    padding: var(--space-md);
}

.product-card-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.product-card-body p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.product-tag {
    padding: 4px 12px;
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    font-size: 0.78rem;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== Process Steps ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step-num {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.process-step:hover .process-step-num {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    transform: scale(1.05);
}

.process-step h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.process-step p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    padding: 0 var(--space-xs);
}

/* ===== Contact Info ===== */
.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-lg);
    align-items: start;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.contact-info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    color: var(--color-accent);
}

.contact-info-icon svg {
    width: 22px;
    height: 22px;
}

.contact-info-text h4 {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info-text p {
    font-size: 1.05rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* ===== Contact Form ===== */
.contact-form {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--color-danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    padding: var(--space-sm) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-success);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.form-success.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.form-error {
    display: none;
    padding: var(--space-sm) var(--space-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-danger);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.form-error.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}

/* ===== Contact Form Full Width ===== */
.contact-form-wrap {
    max-width: 760px;
    margin: 0 auto;
}

/* ===== Map ===== */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ===== Values / Culture ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.value-card {
    text-align: center;
    padding: var(--space-md);
}

.value-card .value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: 50%;
    color: var(--color-accent);
}

.value-card .value-icon svg {
    width: 32px;
    height: 32px;
}

.value-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.value-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ===== CTA Section ===== */
.cta-section {
    position: relative;
    padding: var(--space-lg) 0;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 60%);
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-brand .nav-logo {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
    max-width: 320px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-col ul a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.footer-contact li svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 3px;
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
    color: var(--color-accent);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 4rem;
        --space-lg: 3rem;
        --nav-height: 64px;
    }

    .container {
        padding: 0 16px;
    }

    .nav-actions {
        gap: 10px;
    }

    .lang-toggle {
        min-width: 34px;
        height: 30px;
        font-size: 0.75rem;
        padding: 0 8px;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        border-top: 1px solid var(--color-border);
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu a {
        font-size: 1.05rem;
        padding: 8px 0;
        display: block;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .nav-logo .logo-icon {
        width: 42px;
        height: 34px;
        font-size: 0.85rem;
    }

    .hero {
        min-height: 100vh;
        padding-top: var(--nav-height);
    }

    .hero-title {
        font-size: 1.9rem;
        line-height: 1.3;
    }

    .hero-desc {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .hero-actions {
        gap: 10px;
    }

    .hero-actions .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .hero-stats {
        gap: var(--space-md);
        margin-top: var(--space-lg);
        padding-top: var(--space-md);
        grid-template-columns: 1fr 1fr;
        display: grid;
        width: 100%;
    }

    .hero-stat {
        align-items: flex-start;
    }

    .hero-stat-num {
        font-size: 1.6rem;
    }

    .hero-stat-label {
        font-size: 0.8rem;
    }

    .hero-slide-indicators {
        bottom: 16px;
    }

    .hero-slide-dot {
        width: 8px;
        height: 8px;
    }

    .hero-slide-dot.active {
        width: 22px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .page-banner {
        padding: calc(var(--nav-height) + var(--space-lg)) 0 var(--space-lg);
    }

    .page-banner h1 {
        font-size: 1.7rem;
    }

    .page-banner p {
        font-size: 0.95rem;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .card {
        padding: var(--space-sm);
    }

    .card h3 {
        font-size: 1.1rem;
    }

    .card p {
        font-size: 0.9rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .stat-num {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .process-step-num {
        width: 52px;
        height: 52px;
        font-size: 1.2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }

    .contact-form {
        padding: var(--space-sm);
    }

    .contact-form-wrap {
        padding: 0 4px;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .cta-section p {
        font-size: 0.95rem;
    }

    .cta-section .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .product-card-header {
        height: 120px;
    }

    .product-card-header svg {
        width: 48px;
        height: 48px;
    }

    /* About page info card */
    .about-info-card {
        padding: var(--space-sm) !important;
    }

    .about-info-card h3 {
        font-size: 1.05rem !important;
    }

    .about-info-card p {
        font-size: 0.9rem !important;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 3rem;
        --space-lg: 2rem;
        --space-md: 1.5rem;
    }

    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 1.55rem;
    }

    .hero-desc {
        font-size: 0.88rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }

    .hero-stat-num {
        font-size: 1.4rem;
    }

    .hero-stat-label {
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-num {
        font-size: 1.7rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .page-banner h1 {
        font-size: 1.5rem;
    }

    .nav-logo {
        font-size: 1.1rem;
        gap: 6px;
    }

    .nav-logo .logo-icon {
        width: 38px;
        height: 30px;
        font-size: 0.78rem;
    }

    .nav-logo .logo-text {
        font-size: 1.05rem;
    }

    .card {
        padding: var(--space-xs) var(--space-sm);
    }

    .contact-form {
        padding: var(--space-sm);
    }

    .footer {
        padding: var(--space-md) 0 var(--space-sm);
    }

    .footer-brand p {
        font-size: 0.85rem;
    }
}
