:root {
    --bg-color: #05070a;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-circle {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.3;
}

.glow-1 {
    top: -200px;
    right: -100px;
}

.glow-2 {
    bottom: -200px;
    left: -100px;
}

/* Navigation */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

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

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

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(180deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--text-primary);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 50px rgba(255, 255, 255, 0.2);
}

/* App Preview */
.app-preview {
    margin-top: 4rem;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    perspective: 1000px;
}

.preview-frame {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    aspect-ratio: 16/9;
    padding: 1rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--card-shadow);
    transform: rotateX(5deg);
    transition: var(--transition-smooth);
}

.preview-frame:hover {
    transform: rotateX(0deg) scale(1.02);
}

.inner-display {
    background: #000;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.browser-bar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0.5;
}

.dot-red {
    background: #ff5f56;
}

.dot-yellow {
    background: #ffbd2e;
}

.dot-green {
    background: #27c93f;
}

/* Features Grid */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateY(-8px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

/* Showcase Section */
.showcase-section {
    padding: 100px 0;
    overflow: hidden;
}

.showcase-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.showcase-image-wrapper {
    width: 100%;
    margin-bottom: 4rem;
    position: relative;
    padding: 0 1rem;
}

.mockup-gallery {
    display: flex;
    overflow-x: auto;
    gap: 2rem;
    padding-bottom: 2rem;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE and Edge */
    cursor: grab;
    scroll-behavior: smooth;
    padding-left: 20px;
}

.mockup-gallery::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari and Opera */
}

.mockup-item {
    flex: 0 0 auto;
    width: 280px;
    /* Typical phone width in mockup */
    transition: var(--transition-smooth);
}

.mockup-item img {
    width: 100%;
    height: auto;
    border-radius: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
}

.mockup-item:hover {
    transform: translateY(-10px) scale(1.02);
}

.detailed-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: left;
}

.detail-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Privacy & Terms Section */
.legal-section {
    padding: 100px 0;
    background: linear-gradient(to bottom, transparent, rgba(99, 102, 241, 0.05));
}

.legal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.legal-content h2 {
    margin-bottom: 1.5rem;
}

.legal-list {
    list-style: none;
}

.legal-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.legal-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-links {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}