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

:root {
    --bg-primary: #0a0e1a;
    --bg-card: #151b2d;
    --bg-elevated: #1a2236;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent: #0ea5e9;
    --accent-light: #5eead4;
    --success: #10b981;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(94, 234, 212, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-light);
}

.nav-cta {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    border-radius: 8px;
    color: white !important;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 300px at 50% 0%, rgba(94, 234, 212, 0.08), transparent 70%),
                radial-gradient(500px 400px at 100% 100%, rgba(56, 189, 248, 0.06), transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    margin-bottom: 60px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 24px;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #6366f1);
    color: white;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: var(--bg-elevated);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(300px 200px at 50% 0%, rgba(94, 234, 212, 0.06), transparent);
    opacity: 0.9;
    border-radius: 20px;
    pointer-events: none;
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(94, 234, 212, 0.08);
    border: 1px solid rgba(94, 234, 212, 0.22);
    border-radius: 16px;
    color: var(--accent-light);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: 'Space Grotesk', sans-serif;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.hero-highlight {
    background: linear-gradient(145deg, rgba(14, 165, 233, 0.12), rgba(99, 102, 241, 0.06));
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: 20px;
    padding: 28px 36px;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Intro Section */
.intro {
    padding: 80px 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 20px;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

.section-lead strong {
    color: var(--accent-light);
    font-weight: 600;
}

.intro-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Services Grid */
.services-section {
    padding: 80px 0;
    background: var(--bg-elevated);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.service-card-icon {
    font-size: 2rem;
    color: var(--accent-light);
    margin-bottom: 16px;
}

.service-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
}

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

/* Process Section */
.process-section {
    padding: 80px 0;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 48px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s;
}

.step:hover {
    border-color: var(--border-hover);
    transform: translateX(8px);
}

.step-number {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

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

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: var(--bg-elevated);
}

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px 40px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-elevated);
    border-radius: 12px;
    transition: all 0.3s;
    cursor: pointer;
}

.contact-item:hover {
    background: var(--bg-primary);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(94, 234, 212, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-light);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text {
    text-align: left;
    flex: 1;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(500px 300px at 50% 50%, rgba(14, 165, 233, 0.1), transparent);
    pointer-events: none;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 40px;
}

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

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .intro-cards,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 8px;
    margin-right: 24px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

@media (max-width: 768px) {
    .lang-switcher {
        gap: 4px;
        margin-right: 12px;
    }
    
    .lang-btn {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
}

/* Services Preview Section */
.services-preview {
    padding: 80px 0;
    background: var(--bg-elevated);
}

.services-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.preview-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
}

.preview-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.preview-card .detail-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 16px 20px;
    width: 280px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 10;
}

.preview-card:hover .detail-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
}

.detail-tooltip ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.detail-tooltip li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.detail-tooltip li::before {
    content: '•';
    color: var(--accent-light);
    font-weight: bold;
    flex-shrink: 0;
}

.preview-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.preview-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

@media (max-width: 768px) {
    .services-preview-grid {
        grid-template-columns: 1fr;
    }
}