:root {
    --bg-color: #050505;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent: #00ffcc;
    --accent-glow: rgba(0, 255, 204, 0.4);
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Grid Background */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.15;
    z-index: -1;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

header {
    padding: 2rem 5%;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(90deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.glow-btn {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--accent-glow);
}

.glow-btn:hover {
    background: var(--accent);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.primary-btn, .secondary-btn {
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.primary-btn {
    background: var(--text-primary);
    color: var(--bg-color);
    border: none;
}

.primary-btn:hover {
    transform: translateY(-2px);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover {
    background: var(--card-bg);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 5rem 5%;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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