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

:root {
    --primary-color: #00e5ff;
    --secondary-color: #0a0e17;
    --accent-color: #00b8d4;
    --text-color: #c8d6e5;
    --text-bright: #e8f0f8;
    --bg-dark: #060a10;
    --bg-card: rgba(10, 18, 30, 0.85);
    --border-color: rgba(0, 229, 255, 0.15);
    --glow: 0 0 20px rgba(0, 229, 255, 0.15);
}

body {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-dark);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    background: rgba(6, 10, 16, 0.7);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.classification {
    font-size: 0.7rem;
    color: var(--primary-color);
    letter-spacing: 2px;
    opacity: 0.6;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
    transition: all 0.2s;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: var(--bg-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-bright);
    padding: 6rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 229, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 229, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.hero-image {
    width: auto;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--glow), 0 20px 60px rgba(0, 0, 0, 0.6);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--primary-color);
    text-shadow: 0 0 30px rgba(0, 229, 255, 0.3);
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.7;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.6;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.app-store-badge img {
    height: 50px;
    transition: transform 0.2s;
    filter: brightness(0.9);
}

.app-store-badge:hover img {
    transform: scale(1.05);
    filter: brightness(1);
}

/* Separator Line */
.separator {
    width: 60px;
    height: 1px;
    background: var(--primary-color);
    margin: 0 auto 2rem;
    opacity: 0.4;
}

/* Features Section */
.features {
    padding: 5rem 2rem;
    background: var(--secondary-color);
    border-top: 1px solid var(--border-color);
}

.features h2 {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature:hover {
    border-color: rgba(0, 229, 255, 0.4);
    box-shadow: var(--glow);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 229, 255, 0.08);
    border-radius: 4px;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.feature h3 {
    color: var(--text-bright);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    letter-spacing: 1px;
}

.feature p {
    font-size: 0.9rem;
    opacity: 0.7;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Data Sources Section */
.data-sources {
    padding: 5rem 2rem;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.data-sources h2 {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.sources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.source {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.source h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.source p {
    font-size: 0.85rem;
    opacity: 0.7;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Requirements Section */
.requirements {
    padding: 4rem 2rem;
    background: var(--secondary-color);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.requirements h2 {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.requirements ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.requirements li {
    background: var(--bg-card);
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--text-color);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 1rem;
    opacity: 0.6;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

footer p {
    font-size: 0.8rem;
    opacity: 0.4;
    margin-top: 0.5rem;
}

.disclaimer {
    font-size: 0.8rem;
    opacity: 0.35;
    max-width: 700px;
    margin: 1rem auto 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Legal Pages */
.legal-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.legal-page h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.legal-page .last-updated {
    color: var(--text-color);
    opacity: 0.5;
    font-size: 0.85rem;
    margin-bottom: 2.5rem;
}

.legal-page h2 {
    color: var(--text-bright);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.legal-page h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.legal-page p, .legal-page ul {
    margin-bottom: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.8;
}

.legal-page ul {
    padding-left: 2rem;
}

.legal-page li {
    margin-bottom: 0.3rem;
}

.legal-page a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-page a:hover {
    text-decoration: underline;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
        letter-spacing: 3px;
    }

    .tagline {
        font-size: 0.95rem;
    }

    .hero-image {
        max-width: 100%;
    }

    nav {
        padding: 0.8rem 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.75rem;
    }

    .requirements ul {
        flex-direction: column;
        align-items: center;
    }

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