:root {
    --bg-color: #030305;
    --card-bg: #121218;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent: #00f3ff;
    --accent-glow: rgba(0, 243, 255, 0.4);
    --secondary-accent: #ff0055;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--accent-glow);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(3, 3, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo img {
    height: 32px;
    width: 32px;
    border-radius: 50%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 20px 0 40px;
}

.cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 20px var(--accent-glow);
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 40px var(--accent-glow);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

.card h3 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.card:hover h3 {
    color: var(--text-primary);
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 20px;
}

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

/* Privacy Page */
.privacy-page {
    padding-top: 120px;
    max-width: 800px;
    margin: 0 auto 100px;
}

.privacy-content h1 {
    margin-bottom: 40px;
    font-size: 2.5rem;
}

.privacy-content p {
    margin-bottom: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: 40px;
    color: var(--accent);
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate {
    animation: fadeIn 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero-tagline { font-size: 1.2rem; }
    .grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}