/* Landing Page Styles */
:root {
    --landing-primary: #667eea;
    --landing-secondary: #764ba2;
    --landing-dark: #0f172a;
    --landing-dark-light: #1e293b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--landing-dark);
}

/* Landing Hero */
.landing-hero {
    background: radial-gradient(circle at top, rgba(102, 126, 234, 0.25), transparent 50%),
        linear-gradient(135deg, var(--landing-dark) 0%, var(--landing-dark-light) 100%);
    color: #ffffff;
    position: relative;
    text-align: center;
    padding: 5rem 2rem;
}

.landing-lang {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
}

.landing-lang .lang-switcher {
    display: flex;
    gap: 0.25rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.25rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.landing-lang .lang-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.landing-lang .lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.landing-lang .lang-btn.active {
    background: #ffffff;
    color: var(--landing-primary);
}

.landing-hero-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1rem;
}

.landing-title {
    font-size: 3rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.landing-subtitle {
    font-size: 1.4rem;
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.landing-lead {
    font-size: 1rem;
    margin: 0 0 2.5rem;
    color: rgba(255, 255, 255, 0.75);
}

.hero-metrics {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    padding: 0;
    margin: -1.25rem 0 2rem;
}

.hero-metrics li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.hero-metrics i {
    color: rgba(255, 255, 255, 0.95);
}

.hero-metrics strong {
    color: #ffffff;
    font-weight: 800;
}

.landing-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.landing-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.btn-light {
    background: #ffffff;
    color: #111827;
    padding: 0.9rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
    padding: 0.9rem 1.8rem;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Landing Features */
.landing-features {
    padding: 3.5rem 20px 2rem;
}

.landing-features h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2.5rem;
    color: #111827;
}

.landing-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.landing-feature {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    transition: all 0.3s ease;
}

.landing-feature:hover {
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.12);
    color: white;
}

.landing-feature i {
    font-size: 1.5rem;
    color: var(--landing-primary);
}

.landing-feature h3 {
    margin: 0 0 0.35rem 0;
    font-size: 1.1rem;
    color: #111827;
}

.landing-feature p {
    margin: 0;
    color: #4b5563;
    font-size: 0.95rem;
}

.feature-bullet {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-right: 0.75rem;
    white-space: nowrap;
}

.feature-bullet::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--landing-primary);
    opacity: 0.9;
}

/* API Info Section */
.landing-api-info {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    color: #ffffff;
}

.api-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.api-info-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.api-info-content h2 i {
    font-size: 1.75rem;
}

.api-info-lead {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.api-features-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.api-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
}

.api-feature-item i {
    color: #10b981;
    font-size: 1.1rem;
}

.api-code-example {
    background: var(--landing-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.code-header {
    background: var(--landing-dark-light);
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-title {
    color: #d1d5db;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.code-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 1rem 0;
}

.api-code-example pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
}

.api-code-example code {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #e5e7eb;
}

.code-method {
    color: #10b981;
    font-weight: 600;
}

.code-key {
    color: #7c8ff0;
}

.code-value {
    color: #fbbf24;
}

.code-string {
    color: #34d399;
}

@media (max-width: 968px) {
    .api-info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Stats Section */
.landing-stats {
    padding: 4rem 2rem;
    background: #ffffff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    border-radius: 16px;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.stat-icon i {
    font-size: 1.75rem;
    color: #ffffff;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.95rem;
    color: #4b5563;
    font-weight: 500;
}

/* Landing Pricing */
.landing-pricing {
    padding: 5rem 2rem;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.landing-pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: #111827;
    font-weight: 700;
}

.pricing-subtitle {
    text-align: center;
    color: #6b7280;
    margin-bottom: 3.5rem;
    font-size: 1.15rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.75rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: var(--landing-primary);
}

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

.pricing-card .badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    width: fit-content;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-primary {
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    color: #ffffff;
}

.pricing-card h3 {
    margin: 0.5rem 0 0;
    font-size: 1.75rem;
    color: #111827;
    font-weight: 700;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin: 0.5rem 0;
}

.pricing-price span {
    font-size: 1.1rem;
    color: #6b7280;
    margin-left: 0.25rem;
    font-weight: 600;
}

.pricing-meta {
    color: #6b7280;
    font-size: 1rem;
    font-weight: 500;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.pricing-for {
    color: #4b5563;
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0.5rem 0 1rem;
}

.pricing-card .btn {
    margin-top: auto;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0.25rem 0 0.75rem;
    display: grid;
    gap: 0.55rem;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: #374151;
    font-size: 0.98rem;
    line-height: 1.4;
}

.plan-features li::before {
    content: '✓';
    color: #10b981;
    font-weight: 800;
    line-height: 1.2;
    margin-top: 0.05rem;
}

.pricing-compare {
    margin: 2.25rem auto 0;
    max-width: 900px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow-x: auto;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.pricing-compare-title {
    padding: 1rem 1.25rem;
    font-weight: 700;
    color: #111827;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
}

.pricing-compare-grid {
    display: grid;
    min-width: 860px;
}

.pc-row {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 0.8fr 0.9fr 0.9fr;
}

.pc-row + .pc-row {
    border-top: 1px solid #f3f4f6;
}

.pc-head {
    background: #ffffff;
    font-weight: 800;
    color: #111827;
}

.pc-cell {
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #374151;
}

.pc-cell:first-child {
    justify-content: flex-start;
}

.pc-label {
    font-weight: 600;
    color: #111827;
}

.pc-cell i {
    color: #10b981;
}

@media (max-width: 768px) {
    .hero-metrics {
        gap: 0.5rem;
        margin: -1rem 0 1.5rem;
    }

    .hero-metrics li {
        font-size: 0.85rem;
    }

    .pc-row {
        grid-template-columns: 1.2fr 0.9fr 0.9fr 0.95fr 0.95fr;
    }

    .pc-cell {
        padding: 0.75rem 0.9rem;
    }
}

.pricing-actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.pricing-actions .btn {
    padding: 0.95rem 1.4rem;
    border-radius: 12px;
    font-weight: 700;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--landing-primary);
    color: var(--landing-primary);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-outline:hover {
    background: var(--landing-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    border: none;
    color: #ffffff;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.w-100 {
    width: 100%;
}

.pricing-popular {
    border-color: var(--landing-primary);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.25);
    position: relative;
    transform: scale(1.05);
}

.pricing-popular::before {
    opacity: 1;
}

.pricing-popular:hover {
    transform: scale(1.05) translateY(-8px);
}

/* CTA Section */
.landing-cta-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-secondary) 100%);
    color: #ffffff;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    margin: 0 0 1rem 0;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.15rem;
    margin: 0 0 2rem 0;
    opacity: 0.95;
    line-height: 1.7;
}

.btn-cta {
    background: #ffffff;
    color: var(--landing-primary);
    font-size: 1.15rem;
    padding: 1rem 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.85;
}

/* Footer */
.landing-footer {
    background: var(--landing-dark);
    color: #d1d5db;
    padding: 3rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand h3 i {
    color: var(--landing-primary);
}

.footer-brand p {
    margin: 0;
    color: #9ca3af;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.95rem;
    margin: 0 0 1rem 0;
    font-weight: 600;
}

.footer-col a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--landing-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
    color: #6b7280;
}

@media (max-width: 768px) {
    .landing-title {
        font-size: 2.4rem;
    }
    
    .landing-subtitle {
        font-size: 1.15rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}