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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0B0E14;
    color: #E2E8F0;
    line-height: 1.6;
}

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

/* Header */
.header {
    background: rgba(11, 14, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    color: #22D3EE;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: #94A3B8;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: #22D3EE;
}

/* Main */
.main {
    padding: 4rem 0;
    min-height: calc(100vh - 200px);
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
    font-weight: 700;
}

.subtitle {
    font-size: 1.25rem;
    color: #94A3B8;
    margin-bottom: 2.5rem;
}

/* Search Box */
.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: #64748B;
}

#searchInput {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    background: rgba(30, 41, 59, 0.5);
    border: 2px solid rgba(34, 211, 238, 0.2);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s;
}

#searchInput:focus {
    outline: none;
    border-color: #22D3EE;
    background: rgba(30, 41, 59, 0.8);
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.1);
}

#searchInput::placeholder {
    color: #64748B;
}

/* Docs Grid */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.doc-card {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(34, 211, 238, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    display: block;
}

.doc-card:hover {
    transform: translateY(-4px);
    border-color: #22D3EE;
    background: rgba(30, 41, 59, 0.6);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.15);
}

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

.doc-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.doc-card p {
    color: #94A3B8;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: rgba(11, 14, 20, 0.95);
    border-top: 1px solid rgba(34, 211, 238, 0.1);
    padding: 2rem 0;
    text-align: center;
    color: #64748B;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

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

    .nav {
        gap: 1rem;
    }
}