/* ===== Variables ===== */
:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #0f1729;
    --bg-card: #151d2e;
    --bg-card-hover: #1a2540;
    --border-color: #1e2a45;
    --border-light: #2a3a5a;

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-cyan: #00d4aa;
    --accent-teal: #14b8a6;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-yellow: #eab308;
    --accent-red: #ef4444;
    --accent-green: #22c55e;

    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #14b8a6 100%);
    --gradient-hero: linear-gradient(135deg, #0a0f1a 0%, #0f1729 50%, #1a2540 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.3);

    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    position: relative;
    z-index: 10;
}

.logo img {
    height: 80px;
    position: relative;
    top: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-right .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent-cyan);
}

.lang-btn i.fa-globe {
    color: var(--accent-cyan);
}

.lang-btn i.fa-chevron-down {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.language-selector.active .lang-btn i.fa-chevron-down {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.language-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-dropdown a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.lang-dropdown a.active {
    background: rgba(0, 212, 170, 0.1);
    color: var(--accent-cyan);
}

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

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 24px;
}

.hero-badge i {
    font-size: 0.8rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hero-tag i {
    color: var(--accent-cyan);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-core-icon {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-core-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.4) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

/* Rotating rings */
.ai-core-rings {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
}

.ring-1 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-top-color: rgba(0, 212, 170, 0.6);
    border-right-color: rgba(0, 212, 170, 0.3);
    animation: rotate-ring 4s linear infinite;
}

.ring-2 {
    width: 85%;
    height: 85%;
    top: 7.5%;
    left: 7.5%;
    border-bottom-color: rgba(20, 184, 166, 0.6);
    border-left-color: rgba(20, 184, 166, 0.3);
    animation: rotate-ring 3s linear infinite reverse;
}

.ring-3 {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-top-color: rgba(0, 212, 170, 0.4);
    border-right-color: rgba(0, 212, 170, 0.2);
    animation: rotate-ring 5s linear infinite;
}

@keyframes rotate-ring {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-core-box {
    position: relative;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #1a2540 0%, #0f1729 100%);
    border: 2px solid var(--accent-cyan);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 40px rgba(0, 212, 170, 0.3),
        inset 0 0 40px rgba(0, 212, 170, 0.1);
    z-index: 10;
    animation: float 4s ease-in-out infinite;
    overflow: hidden;
}

.ai-core-box .truck-icon {
    width: 80px;
    height: 80px;
    animation: truck-drive 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

.truck-cargo {
    fill: #00d4aa;
}

.truck-cabin {
    fill: #5EBCD8;
}

.truck-window {
    fill: #1e2a45;
}

.truck-wheel-group {
    animation: wheel-spin 0.5s linear infinite;
}

@keyframes wheel-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes truck-drive {
    0%, 100% {
        transform: translateX(0) rotate(0deg);
        filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
    }
    25% {
        transform: translateX(3px) rotate(1deg);
        filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.7));
    }
    50% {
        transform: translateX(0) rotate(0deg);
        filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.9));
    }
    75% {
        transform: translateX(-3px) rotate(-1deg);
        filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.7));
    }
}

/* Animated road in SVG */
.road-lines {
    animation: road-move-svg 0.6s linear infinite;
}

.road-line-svg {
    opacity: 0.9;
}

@keyframes road-move-svg {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-20px);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.6; }
}

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

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    position: relative;
}

.mouse::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 4px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.section-tag.green {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--accent-green);
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Problems Section ===== */
.problems-section {
    background: var(--bg-secondary);
}

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

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.problem-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.problem-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.problem-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.problem-icon.yellow { background: rgba(234, 179, 8, 0.15); color: var(--accent-yellow); }
.problem-icon.orange { background: rgba(249, 115, 22, 0.15); color: var(--accent-orange); }
.problem-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.problem-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.problem-icon.green { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }

.problem-icon i {
    font-size: 20px;
}

.problem-stat {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.problem-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== AI Section ===== */
.ai-section {
    background: var(--bg-primary);
}

.ai-core-showcase {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.ai-core-center {
    text-align: center;
    padding: 40px 60px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(20, 184, 166, 0.05) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--border-radius-xl);
}

.ai-core-badge {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.ai-core-badge i {
    font-size: 36px;
    color: var(--bg-primary);
}


.ai-core-center h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.ai-core-center p {
    color: var(--text-secondary);
}

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

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.tech-card:hover {
    border-color: var(--accent-cyan);
}

.tech-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-icon i {
    font-size: 24px;
    color: var(--accent-cyan);
}

.tech-card h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.tech-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    margin-bottom: 16px;
}

.tech-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Features Cards Section ===== */
.features-cards-section {
    background: var(--bg-secondary);
    padding: 60px 0;
}

.features-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.feature-box:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
}

.feature-box-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-box-icon.cyan {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent-cyan);
}

.feature-box-icon.teal {
    background: rgba(20, 184, 166, 0.15);
    color: var(--accent-teal);
}

.feature-box-icon i {
    font-size: 24px;
}

.feature-box h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.feature-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Multimodal Section ===== */
.multimodal-section {
    background: var(--bg-primary);
}

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

.input-method-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.input-method-card:hover {
    border-color: var(--accent-cyan);
}

.input-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.input-icon.voice {
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.2) 0%, rgba(234, 179, 8, 0.1) 100%);
    color: var(--accent-yellow);
}

.input-icon.photo {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(0, 212, 170, 0.1) 100%);
    color: var(--accent-cyan);
}

.input-icon.text {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(0, 212, 170, 0.1) 100%);
    color: var(--accent-cyan);
}

.input-icon i {
    font-size: 28px;
}

.input-method-card h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.input-method-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.input-method-card .example {
    display: block;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-style: italic;
}

/* ===== Ticket Flow Section ===== */
.ticket-flow-section {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.ticket-flow-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.flow-timeline h3 {
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.flow-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--accent-cyan);
}

.step-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.step-badge.auto {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: var(--accent-purple);
}

.step-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Ticket Preview */
.ticket-preview {
    position: relative;
}

.ticket-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.ticket-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.window-dots {
    display: flex;
    gap: 8px;
}

.window-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dots .dot.red { background: var(--accent-red); }
.window-dots .dot.yellow { background: var(--accent-yellow); }
.window-dots .dot.green { background: var(--accent-green); }

.ticket-id {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
}

.ticket-content {
    padding: 24px;
}

.ticket-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.ticket-title i {
    color: var(--accent-red);
}

.ticket-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.ticket-section {
    margin-bottom: 24px;
}

.ticket-section h5 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.diagnosis-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.diagnosis-item {
    background: var(--bg-primary);
    padding: 12px 16px;
    border-radius: 8px;
}

.diagnosis-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.diagnosis-value {
    font-size: 0.95rem;
    font-weight: 600;
}

.diagnosis-value.confidence {
    color: var(--accent-green);
}

.cargo-warning {
    font-size: 0.85rem;
    color: var(--accent-yellow);
    margin-bottom: 16px;
}

.cargo-stats {
    display: flex;
    gap: 24px;
}

.cargo-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-radius: 8px;
}

.cargo-stat i {
    color: var(--accent-cyan);
}

.cargo-stat span {
    font-weight: 600;
}

.cargo-stat small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== ROI Section ===== */
.roi-section {
    background: var(--bg-primary);
}

.roi-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.roi-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    position: relative;
}

.roi-stat-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.roi-stat-icon i {
    font-size: 18px;
    color: var(--accent-cyan);
}

.roi-stat-trend {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 0.8rem;
    font-weight: 600;
}

.roi-stat-trend.up { color: var(--accent-green); }
.roi-stat-trend.down { color: var(--accent-cyan); }
.roi-stat-trend.fast { color: var(--accent-yellow); }

.roi-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.roi-stat-period {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

.roi-stat-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.roi-stat-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ROI Charts */
.roi-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.roi-chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 28px;
}

.roi-chart-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    margin-bottom: 24px;
}

.roi-chart-card h4 i {
    color: var(--accent-cyan);
}

/* Bar Chart */
.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-bar-item {
    display: grid;
    grid-template-columns: 100px 1fr 60px;
    align-items: center;
    gap: 16px;
}

.bar-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bar-container {
    height: 24px;
    position: relative;
}

.bar {
    position: absolute;
    height: 10px;
    border-radius: 5px;
    transition: width 1s ease;
}

.bar-without {
    top: 0;
    background: var(--accent-red);
    opacity: 0.7;
}

.bar-with {
    bottom: 0;
    background: var(--accent-cyan);
}

.bar-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.legend-color.without { background: var(--accent-red); opacity: 0.7; }
.legend-color.with { background: var(--accent-cyan); }

/* Line Chart */
.line-chart {
    display: grid;
    grid-template-columns: 60px 1fr;
    grid-template-rows: 1fr auto;
    gap: 8px;
}

.chart-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
    padding-right: 8px;
}

.chart-area {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 16px;
    height: 150px;
}

.chart-area svg {
    width: 100%;
    height: 100%;
}

.chart-x-axis {
    grid-column: 2;
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0 16px;
}

.roi-footnote {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 40px;
    font-style: italic;
}

/* ===== CTA Section ===== */
.cta-section {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.cta-form-wrapper {
    max-width: 500px;
    margin: 0 auto;
}

.cta-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.cta-form input {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
}

.cta-form input::placeholder {
    color: var(--text-muted);
}

.cta-form input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.cta-form .btn {
    white-space: nowrap;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-benefits span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cta-benefits i {
    color: var(--accent-cyan);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 36px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 300px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 0;
    transition: var(--transition);
}

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

.footer-col a i {
    width: 16px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--accent-green);
    color: var(--text-primary);
    padding: 16px 24px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 9999;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    color: var(--accent-green);
    font-size: 1.2rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-tags, .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .problems-grid,
    .tech-cards,
    .input-methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .ticket-flow-wrapper {
        grid-template-columns: 1fr;
    }

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

    .roi-charts {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 1000;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.25rem;
        color: var(--text-primary);
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

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

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

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

    .nav-right .btn {
        display: none;
    }

    .language-selector {
        z-index: 1001;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .lang-dropdown {
        right: 0;
        min-width: 120px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .problems-grid,
    .tech-cards,
    .input-methods-grid,
    .features-row,
    .roi-stats-grid {
        grid-template-columns: 1fr;
    }

    .cta-form {
        flex-direction: column;
    }

    .cta-benefits {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-tags {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .problem-card,
    .tech-card,
    .feature-box,
    .input-method-card,
    .roi-stat-card,
    .roi-chart-card {
        padding: 24px;
    }

    .roi-stat-value {
        font-size: 1.5rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ===== Icon Animations ===== */

/* Keyframes */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 170, 0.6);
        transform: scale(1.05);
    }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-4px); }
    75% { transform: translateY(4px); }
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 5px currentColor);
    }
    50% {
        filter: drop-shadow(0 0 15px currentColor);
    }
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    20% { transform: rotate(15deg); }
    40% { transform: rotate(-10deg); }
    60% { transform: rotate(10deg); }
    80% { transform: rotate(-5deg); }
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.15); }
    28% { transform: scale(1); }
    42% { transform: scale(1.15); }
    70% { transform: scale(1); }
}

/* Hero AI Core Icon Animation */
.ai-core-box {
    animation: pulse-glow 3s ease-in-out infinite;
}

.ai-core-box i {
    animation: pulse-icon 2s ease-in-out infinite;
}

.hero-badge i {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Problem Cards Icons */
.problem-icon {
    transition: all 0.4s ease;
}

.problem-card:hover .problem-icon {
    transform: scale(1.1);
}

.problem-icon.red i {
    animation: shake 3s ease-in-out infinite;
}

.problem-icon.yellow i {
    animation: rotate-slow 8s linear infinite;
}

.problem-icon.orange i {
    animation: bounce 2s ease-in-out infinite;
}

.problem-icon.purple i {
    animation: float 3s ease-in-out infinite;
}

.problem-icon.blue i {
    animation: pulse-icon 2s ease-in-out infinite;
}

.problem-icon.green i {
    animation: heartbeat 2s ease-in-out infinite;
}

/* Tech Cards Icons */
.tech-icon {
    transition: all 0.4s ease;
    position: relative;
}

.tech-card:hover .tech-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.4);
}

.tech-icon i {
    animation: float 4s ease-in-out infinite;
}

.tech-card:nth-child(1) .tech-icon i {
    animation-delay: 0s;
}

.tech-card:nth-child(2) .tech-icon i {
    animation-delay: 0.5s;
}

.tech-card:nth-child(3) .tech-icon i {
    animation-delay: 1s;
}

/* AI Core Center Badge */
.ai-core-badge {
    animation: pulse-glow 2s ease-in-out infinite;
    transition: all 0.4s ease;
}

.ai-core-badge:hover {
    transform: scale(1.1);
}

.ai-core-badge i {
    animation: pulse-icon 2s ease-in-out infinite;
}

/* Feature Box Icons */
.feature-box-icon {
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-box:hover .feature-box-icon {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.feature-box-icon i {
    transition: all 0.4s ease;
}

.feature-box:hover .feature-box-icon i {
    transform: scale(1.2);
}

.feature-box:nth-child(1) .feature-box-icon i {
    animation: pulse-icon 3s ease-in-out infinite;
}

.feature-box:nth-child(2) .feature-box-icon i {
    animation: float 3s ease-in-out infinite;
}

.feature-box:nth-child(3) .feature-box-icon i {
    animation: bounce 2.5s ease-in-out infinite;
}

.feature-box:nth-child(4) .feature-box-icon i {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Input Method Cards Icons */
.input-icon {
    transition: all 0.4s ease;
    position: relative;
}

.input-method-card:hover .input-icon {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(0, 212, 170, 0.4);
}

.input-icon.voice i {
    animation: wave 2s ease-in-out infinite;
}

.input-icon.photo i {
    animation: pulse-icon 2s ease-in-out infinite;
}

.input-icon.text i {
    animation: bounce 2s ease-in-out infinite;
}

/* ROI Stat Card Icons */
.roi-stat-icon {
    transition: all 0.4s ease;
}

.roi-stat-card:hover .roi-stat-icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 0 25px rgba(0, 212, 170, 0.4);
}

.roi-stat-card:nth-child(1) .roi-stat-icon i {
    animation: heartbeat 2s ease-in-out infinite;
}

.roi-stat-card:nth-child(2) .roi-stat-icon i {
    animation: bounce 2.5s ease-in-out infinite;
}

.roi-stat-card:nth-child(3) .roi-stat-icon i {
    animation: rotate-slow 6s linear infinite;
}

.roi-stat-card:nth-child(4) .roi-stat-icon i {
    animation: pulse-icon 2s ease-in-out infinite;
}

/* Flow Step Numbers */
.step-number {
    transition: all 0.4s ease;
}

.flow-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Ticket Window Icons */
.ticket-title i {
    animation: pulse-icon 2s ease-in-out infinite;
}

.cargo-stat i {
    animation: float 3s ease-in-out infinite;
}

/* CTA Section Icon */
.cta-benefits i {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Footer Social Links */
.social-link {
    transition: all 0.4s ease;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
}

.social-link i {
    transition: all 0.3s ease;
}

.social-link:hover i {
    animation: bounce 0.5s ease;
}

/* Button Icons */
.btn i {
    transition: all 0.3s ease;
}

.btn:hover i {
    transform: translateX(4px);
}

/* Section Tag Icons */
.section-tag i {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Hero Tags Icons */
.hero-tag i {
    animation: float 3s ease-in-out infinite;
}

.hero-tag:nth-child(1) i {
    animation-delay: 0s;
}

.hero-tag:nth-child(2) i {
    animation-delay: 0.3s;
}

.hero-tag:nth-child(3) i {
    animation-delay: 0.6s;
}

/* Nav Links Hover */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Chart Icons */
.roi-chart-card h4 i {
    animation: pulse-icon 3s ease-in-out infinite;
}

/* Window Dots Animation */
.window-dots .dot {
    animation: pulse-icon 2s ease-in-out infinite;
}

.window-dots .dot.red {
    animation-delay: 0s;
}

.window-dots .dot.yellow {
    animation-delay: 0.2s;
}

.window-dots .dot.green {
    animation-delay: 0.4s;
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}