:root {
    --bg-color: #050a14;
    --text-color: #e0e6ed;
    --primary-color: #007bff;
    --secondary-color: #1a2a44;
    --accent-color: #00d4ff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 10, 20, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--accent-color);
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 30px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    background: radial-gradient(circle at 70% 50%, rgba(0, 123, 255, 0.1) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 123, 255, 0.4);
}

.hero-image {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    z-index: 1;
    opacity: 0.8;
}

.hero-image img {
    width: 100%;
    filter: drop-shadow(0 0 50px rgba(0, 123, 255, 0.2));
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: 100px 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    background: #080f1a;
}

.feature-card {
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

/* Footer */
footer {
    padding: 50px 10%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: #718096;
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

@media (max-width: 768px) {
    header { padding: 20px; }
    nav { display: none; }
    .hero h1 { font-size: 2.5rem; }
    .hero-image { display: none; }
}