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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
}

/* Light theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.06);
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-tertiary: rgba(0, 0, 0, 0.5);
    --border-color: rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.loader-ring {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 2s ease infinite;
}

/* Navigation */
.navbar {
    position: relative;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s;
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.8);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s;
}

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

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

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

.btn-text {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.btn-text:hover {
    color: var(--text-primary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    transition: background 0.2s, border-color 0.2s;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.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: transform 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    z-index: 999;
}

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

.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

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

.grid-bg {
    position: absolute;
    inset: 0;
    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: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

[data-theme="light"] .grid-bg {
    background-image:
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

[data-theme="light"] .gradient-orb {
    opacity: 0.3;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-purple);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-pink);
    top: 50%;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    bottom: -100px;
    left: 30%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, 50px) scale(1.1); }
    50% { transform: translate(0, 100px) scale(1); }
    75% { transform: translate(-50px, 50px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-text);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

/* Trusted By */
.trusted-by {
    margin-top: 80px;
    text-align: center;
}

.trusted-by > span {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.trusted-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-tertiary);
    opacity: 0.5;
    transition: opacity 0.3s;
}

.trusted-logo:hover {
    opacity: 1;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.stat-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: transform 0.3s, border-color 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 12px;
    margin-bottom: 16px;
}

.stat-icon svg {
    stroke: white;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Models Section */
.models {
    padding: 120px 0;
}

.models-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.model-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
}

.model-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
    background: var(--bg-card-hover);
}

.model-card.hidden {
    display: none;
}

.model-logo {
    flex-shrink: 0;
}

.model-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.model-icon.gpt { background: linear-gradient(135deg, #10a37f, #1a7f5a); }
.model-icon.claude { background: linear-gradient(135deg, #d97706, #b45309); }
.model-icon.gemini { background: linear-gradient(135deg, #4285f4, #34a853); }
.model-icon.llama { background: linear-gradient(135deg, #7c3aed, #5b21b6); }
.model-icon.mistral { background: linear-gradient(135deg, #f97316, #ea580c); }
.model-icon.dalle { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.model-icon.mj { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.model-icon.sd { background: linear-gradient(135deg, #a855f7, #7c3aed); }
.model-icon.whisper { background: linear-gradient(135deg, #22c55e, #16a34a); }
.model-icon.tts { background: linear-gradient(135deg, #ec4899, #db2777); }
.model-icon.sora { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.model-icon.runway { background: linear-gradient(135deg, #14b8a6, #0d9488); }

.model-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.model-provider {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.model-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 8px;
    background: var(--gradient-1);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
}

.model-tag.new {
    background: var(--gradient-3);
}

.models-more {
    text-align: center;
    margin-top: 48px;
}

/* Why Choose Section */
.why-choose {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    transition: transform 0.3s, border-color 0.3s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.benefit-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.5;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 120px 0;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    stroke: white;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Code Section */
.code-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.code-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.code-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.code-info p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.code-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.code-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.code-features svg {
    stroke: var(--accent-cyan);
    flex-shrink: 0;
}

.code-block {
    background: #1a1a2e;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

[data-theme="light"] .code-block {
    background: #1e1e2e;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.code-tabs {
    display: flex;
    gap: 4px;
}

.code-tab {
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.code-tab:hover {
    color: var(--text-secondary);
}

.code-tab.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.copy-btn.copied {
    color: var(--accent-green);
}

.code-content {
    position: relative;
}

.code-pre {
    display: none;
    padding: 24px;
    overflow-x: auto;
    margin: 0;
}

.code-pre.active {
    display: block;
}

.code-pre code {
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
    color: #e2e8f0;
}

.code-pre .keyword { color: #c792ea; }
.code-pre .string { color: #c3e88d; }
.code-pre .number { color: #f78c6c; }

/* Testimonials Section */
.testimonials {
    padding: 120px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    color: var(--accent-yellow);
}

.testimonial-content p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
}

.author-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.author-info span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.toggle-label {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    transition: color 0.3s;
}

.toggle-label.active {
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    transition: 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 3px;
    background: var(--gradient-1);
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(26px);
}

.discount-badge {
    background: var(--accent-green);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 4px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: var(--accent-purple);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, transparent 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-1);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
}

.price-period {
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    stroke: var(--accent-green);
    flex-shrink: 0;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
    width: 100%;
    justify-content: center;
}

/* FAQ Section */
.faq {
    padding: 120px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-weight: 500;
}

.faq-icon {
    transition: transform 0.3s;
    flex-shrink: 0;
    color: var(--text-secondary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

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

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--text-tertiary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 100;
}

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

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 440px;
    margin: 20px;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.modal-header {
    text-align: center;
    margin-bottom: 32px;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-secondary);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Registration Steps */
.register-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    padding: 16px 0;
}

.register-steps .step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.register-steps .step.active {
    opacity: 1;
}

.register-steps .step.completed {
    opacity: 1;
}

.register-steps .step.completed .step-number {
    background: var(--accent-green);
    border-color: var(--accent-green);
}

.register-steps .step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.register-steps .step.active .step-number {
    border-color: var(--accent-purple);
    background: var(--accent-purple);
    color: #fff;
}

.register-steps .step-text {
    font-size: 12px;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.register-steps .step.active .step-text {
    color: var(--text-primary);
}

.register-steps .step-line {
    width: 40px;
    height: 2px;
    background: var(--border-color);
    margin: 0 8px;
    margin-bottom: 20px;
}

.btn-secondary {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-purple);
}

.checkbox-label a {
    color: var(--accent-purple);
    text-decoration: none;
}

.forgot-link {
    color: var(--accent-purple);
    text-decoration: none;
    font-size: 0.875rem;
}

.modal-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.modal-footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.modal-footer a {
    color: var(--accent-purple);
    text-decoration: none;
    font-weight: 500;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 100px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: translateX(120%);
    transition: transform 0.3s;
}

.toast.show {
    transform: translateX(0);
}

.toast.success .toast-icon {
    color: var(--accent-green);
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: var(--accent-blue);
}

/* ==================== ENHANCED VISUAL EFFECTS ==================== */

/* Glow Effects */
.glow-purple {
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.glow-blue {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.glow-green {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

/* Enhanced Button Hover Effects */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

/* Enhanced Card Effects */
.feature-card,
.benefit-card,
.testimonial-card,
.pricing-card,
.stat-card,
.model-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before,
.benefit-card::before,
.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover::before,
.benefit-card:hover::before,
.pricing-card.featured:hover::before {
    opacity: 1;
}

/* Card Shine Effect */
.feature-card::after,
.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.03) 50%,
        transparent 60%
    );
    transform: rotate(45deg) translateY(-100%);
    transition: transform 0.6s ease;
    pointer-events: none;
}

.feature-card:hover::after,
.stat-card:hover::after {
    transform: rotate(45deg) translateY(100%);
}

/* Skeleton Loading Animation */
@keyframes skeleton-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 0%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-wave 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeleton-wave {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}

/* Focus Ring Enhancement */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-purple);
    outline-offset: 2px;
}

/* Enhanced Input Fields */
.form-group input,
.form-group textarea {
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
    transform: translateY(-1px);
}

/* Floating Label Effect */
.form-group.floating-label {
    position: relative;
}

.form-group.floating-label label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    transition: all 0.2s ease;
    pointer-events: none;
    background: transparent;
    padding: 0 4px;
}

.form-group.floating-label input:focus + label,
.form-group.floating-label input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 0.75rem;
    background: var(--bg-secondary);
    color: var(--accent-purple);
}

/* Enhanced Gradient Borders */
.gradient-border {
    position: relative;
    background: var(--bg-card);
    border-radius: 16px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 17px;
    background: var(--gradient-1);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.gradient-border:hover::before {
    opacity: 1;
}

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.ripple:active::after {
    width: 200px;
    height: 200px;
    opacity: 0;
    transition: width 0.4s, height 0.4s, opacity 0.4s;
}

/* Enhanced Model Card Hover */
.model-card:hover .model-icon {
    transform: scale(1.1) rotate(5deg);
    transition: transform 0.3s ease;
}

.model-icon {
    transition: transform 0.3s ease;
}

/* Pricing Card Enhanced Effects */
.pricing-card.featured {
    box-shadow: 0 25px 50px -12px rgba(139, 92, 246, 0.25);
}

.pricing-card.featured:hover {
    box-shadow: 0 35px 60px -15px rgba(139, 92, 246, 0.35);
}

/* FAQ Enhanced Animation */
.faq-item {
    transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-item.active {
    border-color: var(--accent-purple);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.15);
}

/* Enhanced Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-1);
    z-index: 1001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s;
}

/* Page Transition */
.page-transition {
    animation: page-fade-in 0.5s ease;
}

@keyframes page-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger Animation for Lists */
.stagger-list > * {
    opacity: 0;
    animation: stagger-fade-in 0.5s ease forwards;
}

.stagger-list > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-list > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-list > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-list > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-list > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-list > *:nth-child(6) { animation-delay: 0.6s; }

@keyframes stagger-fade-in {
    to {
        opacity: 1;
    }
}

/* Enhanced Hero Background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at top,
        rgba(139, 92, 246, 0.15) 0%,
        transparent 50%
    );
    pointer-events: none;
}

/* Particle Animation for Hero */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-purple);
    border-radius: 50%;
    opacity: 0.3;
    animation: particle-float 15s infinite ease-in-out;
}

.particle:nth-child(2n) {
    background: var(--accent-cyan);
    animation-delay: -5s;
}

.particle:nth-child(3n) {
    background: var(--accent-pink);
    animation-delay: -10s;
}

@keyframes particle-float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(100px, -50px) scale(1.2);
        opacity: 0.5;
    }
    50% {
        transform: translate(50px, -100px) scale(0.8);
        opacity: 0.2;
    }
    75% {
        transform: translate(-50px, -50px) scale(1.1);
        opacity: 0.4;
    }
}

/* Enhanced Modal Animation */
.modal-content {
    animation: modal-bounce 0.4s ease;
}

@keyframes modal-bounce {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    50% {
        transform: translateY(-10px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Toast Animation */
.toast {
    animation: toast-slide-in 0.3s ease;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(120%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

.toast.hide {
    animation: toast-slide-out 0.3s ease forwards;
}

@keyframes toast-slide-out {
    to {
        transform: translateX(120%) scale(0.9);
        opacity: 0;
    }
}

/* Subtle Noise Texture Overlay */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions .btn-text,
    .nav-actions .btn-primary {
        display: none;
    }

    .nav-actions {
        gap: 8px;
    }

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

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

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

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

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

    .code-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

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

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

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

    .trusted-logos {
        gap: 24px;
    }
}

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

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

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

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

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }

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

    .cta-actions .btn-primary,
    .cta-actions .btn-secondary {
        width: 100%;
    }

    .modal-content {
        padding: 24px;
    }

    .scroll-top {
        bottom: 20px;
        right: 20px;
    }
}

/* Language Switcher Styles - Select Element */
.lang-select-wrapper {
    display: inline-block;
}

.lang-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 32px 6px 12px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: all 0.3s ease;
}

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

.lang-select:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.lang-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px;
}

/* Light theme adjustments */
[data-theme="light"] .lang-select {
    background-color: var(--bg-primary);
}

[data-theme="light"] .lang-select option {
    background-color: var(--bg-primary);
}