:root {
    --bg-color: #0a0a0a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent: #00ffcc;
    --accent-glow: rgba(0, 255, 204, 0.2);
    --card-bg: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.glow-bg {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, var(--accent-glow) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1.5rem;
    transition: color 0.3s ease;
}

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.cta-btn {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
}

.cta-btn:hover {
    background: var(--accent);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

.primary-btn {
    background: var(--accent);
    color: var(--bg-color);
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 1.1rem;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--accent-glow);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 1.1rem;
    margin-left: 1rem;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

main {
    padding: 5% 10%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero {
    max-width: 800px;
    margin-bottom: 5rem;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

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

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

.slide-up {
    animation: slideUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-delayed {
    opacity: 0;
    animation: fadeIn 1s ease 0.5s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}