/* FlowSCAD Website Styles */

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-border: #2a2d3a;
    --color-text: #e4e4e7;
    --color-text-muted: #a1a1aa;
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --max-width: 1120px;
}

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

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

a {
    color: var(--color-primary);
    text-decoration: none;
}

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

/* Nav */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
}

.site-nav .logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.site-nav .nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.site-nav .nav-links a {
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--color-primary);
    color: #fff !important;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s;
}

.nav-cta:hover {
    background: var(--color-primary-hover);
    color: #fff !important;
}

/* Hero */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px 64px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto 36px;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.15s;
}

.hero-cta:hover {
    background: var(--color-primary-hover);
    color: #fff;
}

/* Section */
.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 24px;
}

.section h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section p.subtitle {
    color: var(--color-text-muted);
    font-size: 16px;
    margin-bottom: 40px;
}

/* Cards grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 28px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card p {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    margin-top: 80px;
    padding: 32px 24px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
}