/* Reset and Base Styles - Modern Scholium */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary-color: #8B5CF6;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --border-color: #E2E8F0;
    --success-color: #10B981;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
}

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

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

.nav-title {
    font-size: 20px;
    font-weight: 700;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-links a.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-md);
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.hero-icon {
    width: clamp(280px, 35vw, 420px);
    height: clamp(280px, 35vw, 420px);
    border-radius: 72px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    object-fit: contain;
}

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

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

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

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

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

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

.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.domain-card {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.domain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.domain-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.domain-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.domain-features {
    list-style: none;
}

.domain-features li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    color: var(--text-secondary);
    font-size: 15px;
}

.domain-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

/* AI Section */
.ai-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.ai-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.ai-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
}

.ai-description {
    font-size: 20px;
    margin-bottom: 48px;
    opacity: 0.95;
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.ai-feature {
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.ai-feature h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.ai-feature p {
    opacity: 0.9;
}

/* Download Section */
.download {
    padding: 120px 0;
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 48px;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
}

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

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 12px;
    font-weight: 700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 0;
    }

    .hero {
        min-height: auto;
        padding: 80px 0;
    }

    .hero-title {
        font-size: 44px;
    }

    .hero-icon {
        width: clamp(200px, 60vw, 280px);
        height: clamp(200px, 60vw, 280px);
    }

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

html {
    scroll-behavior: smooth;
}