/* ===== CSS Custom Properties ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-glow: rgba(37, 99, 235, 0.25);
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --bg-dark: #0b1120;
    --bg-dark-2: #111827;
    --bg-light: #ffffff;
    --bg-section: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --text-white: #f8fafc;
    --border: #e2e8f0;
    --border-dark: #1e293b;
    --card-bg: #ffffff;
    --card-bg-dark: #1e293b;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(180deg, #0b1120 0%, #1e1b4b 100%);
    --gradient-hero: linear-gradient(135deg, #0b1120 0%, #1e1b4b 50%, #0b1120 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px var(--primary-glow);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-light);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(11, 17, 32, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-white);
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: rgba(248, 250, 252, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover {
    color: var(--text-white);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition);
    border-radius: 1px;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.15);
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { width: 400px; height: 400px; top: -100px; right: -100px; animation-delay: 0s; }
.particle:nth-child(2) { width: 300px; height: 300px; bottom: -50px; left: -50px; animation-delay: 5s; background: rgba(6, 182, 212, 0.1); }
.particle:nth-child(3) { width: 200px; height: 200px; top: 50%; left: 50%; animation-delay: 10s; }
.particle:nth-child(4) { width: 150px; height: 150px; top: 30%; right: 20%; animation-delay: 7s; background: rgba(6, 182, 212, 0.08); }
.particle:nth-child(5) { width: 250px; height: 250px; bottom: 20%; right: 10%; animation-delay: 3s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -50px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: var(--accent-light);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    letter-spacing: 0.05em;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 50%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-title-sub {
    display: block;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    color: rgba(248, 250, 252, 0.6);
    letter-spacing: 0.3em;
    margin-top: 4px;
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(248, 250, 252, 0.7);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus, .stat-unit {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-light);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
    margin-top: 4px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255,255,255,0.3);
    border-bottom: 2px solid rgba(255,255,255,0.3);
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.3; }
    50% { transform: rotate(45deg) translate(6px, 6px); opacity: 0.8; }
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.section-dark .section-tag,
.section-gradient .section-tag {
    background: rgba(37, 99, 235, 0.2);
    color: var(--accent-light);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-dark .section-subtitle,
.section-gradient .section-subtitle {
    color: rgba(248, 250, 252, 0.6);
}

/* ===== Feature Cards Grid ===== */
.features-grid {
    display: grid;
    gap: 24px;
}

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

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

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(37, 99, 235, 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Global Traffic Section ===== */
.global-map-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.region-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    transition: var(--transition);
}

.region-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: var(--shadow-glow);
}

.region-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.region-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.region-stat {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.region-label {
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
}

/* ===== Ad Format Cards ===== */
.ad-format-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.ad-format-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

.ad-format-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.06);
    border-radius: var(--radius-md);
}

.ad-format-icon svg {
    width: 40px;
    height: 40px;
}

.ad-format-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.ad-format-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== AI Cards ===== */
.ai-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
}

.ai-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-4px);
}

.ai-card-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
    margin-bottom: 16px;
    line-height: 1;
}

.ai-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
}

.ai-card p {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.6);
    line-height: 1.7;
}

/* ===== AI Chain Section ===== */
.ai-chain-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-chain-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.ai-chain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ai-chain-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.ai-chain-item:hover {
    border-color: rgba(37, 99, 235, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

.chain-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.ai-chain-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-light);
}

.ai-chain-item p {
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
    line-height: 1.6;
}

/* ===== Timeline ===== */
.timeline-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 48px;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.3;
}

.timeline-item {
    text-align: center;
    position: relative;
    padding: 0 12px;
}

.timeline-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 20px var(--primary-glow);
}

.timeline-dot::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--bg-dark);
    border-radius: 50%;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 24px 16px;
}

.timeline-period {
    font-size: 0.8rem;
    color: var(--accent-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.timeline-content p {
    font-size: 0.82rem;
    color: rgba(248, 250, 252, 0.5);
    line-height: 1.6;
}

/* ===== E-commerce Section ===== */
.ecom-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ecom-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

.ecom-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 16px;
}

.ecom-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.ecom-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Case Studies ===== */
.case-studies {
    margin-top: 80px;
}

.cases-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.case-label {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.case-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.case-metrics {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== Solutions Section ===== */
.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.sol-tab {
    padding: 12px 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: transparent;
    color: rgba(248, 250, 252, 0.6);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.sol-tab:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-white);
}

.sol-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.sol-content {
    display: none;
}

.sol-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.sol-two-col {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.sol-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.sol-info p {
    font-size: 0.95rem;
    color: rgba(248, 250, 252, 0.6);
    line-height: 1.8;
    margin-bottom: 24px;
}

.sol-highlight {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-md);
    padding: 24px;
}

.sol-highlight h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--accent-light);
}

.sol-highlight ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sol-highlight li {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.7);
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.sol-highlight li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-light);
    font-weight: 700;
}

.sol-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sol-stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.sol-stat-card:hover {
    border-color: rgba(37, 99, 235, 0.3);
}

.sol-stat-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.sol-stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sol-stat-label {
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
    margin-top: 4px;
}

/* ===== RTA Features ===== */
.rta-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rta-feature {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    transition: var(--transition);
}

.rta-feature:hover {
    border-color: rgba(37, 99, 235, 0.2);
}

.rta-feature strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-white);
    margin-bottom: 4px;
}

.rta-feature span {
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
}

/* ===== RTA Diagram ===== */
.rta-diagram {
    position: relative;
    width: 100%;
    height: 320px;
}

.rta-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    text-align: center;
    line-height: 1.3;
    box-shadow: 0 0 40px var(--primary-glow);
}

.rta-center span {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.8;
}

.rta-node {
    position: absolute;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-light);
    white-space: nowrap;
}

.rta-node-1 { top: 10%; left: 50%; transform: translateX(-50%); }
.rta-node-2 { top: 50%; right: 0; transform: translateY(-50%); }
.rta-node-3 { bottom: 10%; left: 50%; transform: translateX(-50%); }
.rta-node-4 { top: 50%; left: 0; transform: translateY(-50%); }

/* ===== Process Steps ===== */
.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
}

.process-step {
    flex: 1;
    text-align: center;
    padding: 0 16px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 800;
    margin: 0 auto 16px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.process-step h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.process-connector {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.3;
    margin-top: 23px;
    flex-shrink: 0;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.contact-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.6);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark-2);
    color: var(--text-white);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-dark);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 12px;
}

.footer-name {
    font-size: 1.2rem;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.5);
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col h5 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-white);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.5);
    margin-bottom: 10px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(248, 250, 252, 0.3);
}

/* ===== Scroll Animations ===== */
.feature-card,
.region-card,
.ad-format-card,
.ai-card,
.ai-chain-item,
.timeline-item,
.ecom-card,
.case-card,
.process-step,
.contact-card,
.sol-stat-card,
.rta-feature {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.visible,
.region-card.visible,
.ad-format-card.visible,
.ai-card.visible,
.ai-chain-item.visible,
.timeline-item.visible,
.ecom-card.visible,
.case-card.visible,
.process-step.visible,
.contact-card.visible,
.sol-stat-card.visible,
.rta-feature.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .four-col { grid-template-columns: repeat(2, 1fr); }
    .global-map-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .timeline::before { display: none; }
    .sol-two-col { grid-template-columns: 1fr; }
    .process-steps { flex-wrap: wrap; justify-content: center; }
    .process-connector { display: none; }
    .process-step { flex: 0 0 calc(50% - 16px); margin-bottom: 24px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 17, 32, 0.98);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-top: 1px solid var(--border-dark);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .three-col { grid-template-columns: 1fr; }
    .four-col { grid-template-columns: 1fr; }
    .global-map-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .timeline { grid-template-columns: 1fr; }

    .hero-stats {
        gap: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        gap: 32px;
        flex-wrap: wrap;
    }

    .process-step {
        flex: 0 0 100%;
    }

    .rta-diagram {
        height: 250px;
    }

    .rta-center {
        width: 100px;
        height: 100px;
        font-size: 0.9rem;
    }

    .rta-node {
        font-size: 0.7rem;
        padding: 8px 12px;
    }

    .solutions-tabs {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .global-map-grid { grid-template-columns: 1fr; }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .case-metrics {
        flex-direction: column;
    }
}

/* ===== Policy Pages (Privacy Policy & Opt-Out) ===== */

/* Policy Hero */
.policy-hero {
    background: var(--gradient-hero);
    color: var(--text-white);
    padding: 140px 0 80px;
    text-align: center;
}

.policy-hero-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.3);
    border: 1px solid rgba(37, 99, 235, 0.5);
    color: var(--accent-light);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.policy-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.policy-hero-meta {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Policy Two-Column Layout */
.policy-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
    padding: 64px 0 80px;
}

/* Sidebar TOC */
.policy-sidebar {
    position: sticky;
    top: 96px;
}

.policy-nav {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}

.policy-nav-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 14px;
}

.policy-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.policy-nav-list a {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 6px;
    transition: var(--transition);
    line-height: 1.4;
}

.policy-nav-list a:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
}

/* Policy Main Content */
.policy-main {
    min-width: 0;
}

.policy-section {
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}

.policy-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.policy-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
}

.policy-section h2::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 44px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.policy-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 24px 0 10px;
}

.policy-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.policy-section p:last-child {
    margin-bottom: 0;
}

/* Policy Bullet Lists */
.policy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 12px 0;
}

.policy-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.policy-list li::before {
    content: '';
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gradient-primary);
    margin-top: 9px;
}

/* Company Info Card */
.policy-info-card {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-top: 16px;
}

.policy-info-card strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.policy-info-card span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Opt-Out CTA Box */
.opt-out-cta-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.07) 0%, rgba(6, 182, 212, 0.07) 100%);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.opt-out-cta-icon {
    font-size: 2.2rem;
    flex-shrink: 0;
}

.opt-out-cta-content {
    flex: 1;
}

.opt-out-cta-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 5px;
}

.opt-out-cta-content p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin: 0;
}

.opt-out-cta-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-primary);
    color: white !important;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 100px;
    transition: var(--transition);
    white-space: nowrap;
}

.opt-out-cta-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* Policy Inline Links */
.policy-link {
    color: var(--primary);
    font-weight: 500;
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
    transition: var(--transition);
}

.policy-link:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}

/* CCPA Category Tags */
.policy-category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0;
}

.policy-category-tag {
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--primary);
    font-size: 0.83rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
}

/* ===== Opt-Out Page ===== */

.optout-methods {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.optout-method-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.optout-method-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.optout-method-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.optout-method-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.optout-method-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    border: none;
    padding: 0;
}

.optout-method-header h2::before {
    display: none;
}

.optout-method-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.optout-method-card p:last-child {
    margin-bottom: 0;
}

/* Opt-Out Cookie Button */
.optout-btn-wrap {
    text-align: center;
    padding: 24px 0 16px;
}

.optout-main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    letter-spacing: 0.01em;
}

.optout-main-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.optout-main-btn.opted-out {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.35);
}

.optout-note {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-top: 16px;
}

.optout-note-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.optout-note-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.optout-note-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.optout-note-list li::before {
    content: '·';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}

/* Device Instructions */
.optout-device-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
}

.optout-device-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.device-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* Industry Opt-Out Links Grid */
.optout-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.optout-link-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    transition: var(--transition);
}

.optout-link-card:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
}

.optout-link-card strong {
    display: block;
    font-size: 0.88rem;
    color: var(--primary);
    font-weight: 600;
}

.link-region {
    font-size: 0.75rem;
    color: var(--text-light);
    display: block;
    margin-top: 2px;
}

/* After Opt-Out Info List */
.optout-after-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.optout-after-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.after-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Policy Page Responsive */
@media (max-width: 900px) {
    .policy-layout {
        grid-template-columns: 1fr;
    }

    .policy-sidebar {
        position: static;
    }

    .policy-nav {
        display: none;
    }

    .opt-out-cta-box {
        flex-direction: column;
        text-align: center;
    }

    .optout-links-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .policy-hero {
        padding: 110px 0 56px;
    }

    .optout-method-card {
        padding: 24px 20px;
    }
}

/* ===== Opt-Out Success Modal ===== */

#optout-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(7, 11, 22, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#optout-overlay.om-visible {
    opacity: 1;
}

#optout-overlay.om-visible #optout-modal {
    transform: translateY(0) scale(1);
    opacity: 1;
}

#optout-modal {
    position: relative;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: 44px 40px 36px;
    max-width: 460px;
    width: 100%;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(37, 99, 235, 0.12);
    text-align: center;
    transform: translateY(24px) scale(0.97);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.34, 1.28, 0.64, 1), opacity 0.3s ease;
    overflow: hidden;
}

/* Subtle gradient glow at top */
.om-glow {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 140px;
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

/* Animated checkmark */
.om-icon-wrap {
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
}

.om-check {
    width: 68px;
    height: 68px;
    overflow: visible;
}

.om-check-circle {
    stroke-dasharray: 160;
    stroke-dashoffset: 160;
    animation: om-draw-circle 0.5s 0.1s ease forwards;
}

.om-check-tick {
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    animation: om-draw-tick 0.35s 0.55s ease forwards;
}

@keyframes om-draw-circle {
    to { stroke-dashoffset: 0; }
}

@keyframes om-draw-tick {
    to { stroke-dashoffset: 0; }
}

.om-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.om-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.om-divider {
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 20px auto;
}

/* Detail list */
.om-list {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0 0 20px;
}

.om-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.om-list-dot {
    flex-shrink: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gradient-primary);
    margin-top: 7px;
}

.om-list-dot-dim {
    background: var(--text-light);
}

.om-dim {
    color: var(--text-light);
}

/* Note box */
.om-note {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 24px;
    text-align: left;
}

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

/* Done button */
.om-close-btn {
    display: block;
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 100px;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.3);
    letter-spacing: 0.01em;
}

.om-close-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.4);
}

/* × dismiss button */
.om-dismiss {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
    padding: 4px 6px;
    border-radius: 6px;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.om-dismiss:hover {
    color: var(--text-secondary);
    background: var(--bg-section);
}

@media (max-width: 500px) {
    #optout-modal {
        padding: 36px 24px 28px;
    }
}