@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #111111;
    --surface-hover: #1a1a1a;
    --primary-color: #ffffff;
    --secondary-color: #888888;
    --accent-color: #3b82f6; /* Blue like the ocean/tech */
    --accent-glow: rgba(59, 130, 246, 0.5);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: #333333;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background-color: rgba(5, 5, 5, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 8rem 1.5rem 6rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-color);
}

.btn-primary:hover {
    background-color: #e5e5e5;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Terminal Window */
.terminal-window {
    background-color: #1e1e1e;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.terminal-header {
    background-color: #2d2d2d;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.red { background-color: #ef4444; }
.yellow { background-color: #f59e0b; }
.green { background-color: #10b981; }

.terminal-body {
    padding: 1.5rem;
    color: #d4d4d4;
}

.command {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--accent-color);
    user-select: none;
}

.cmd-text {
    color: #fff;
}

.comment {
    color: #6b7280;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
    display: block;
}

/* Features Grid */
.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
}

.features {
    padding: 6rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s;
}

.card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 0.75rem;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
}

.card h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.25rem;
}

.card p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* Architecture */
.architecture {
    background-color: var(--surface-color);
    padding: 6rem 1.5rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.mermaid-wrapper {
    background: #000;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 0 auto;
}

/* Footer */
footer {
    padding: 4rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-links {
    margin-bottom: 2rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 4rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}