:root {
    --bg-dark: #090a0c;
    --bg-surface: #121418;
    --bg-surface-elevated: #1a1d24;
    --border-subtle: #232732;
    --border-highlight: #3a4153;
    --text-primary: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-orange: #ff5722;
    --accent-cyan: #00e5ff;
    --brand-blue: #1c4b9c;
    --brand-blue-bright: #2d68d8;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: var(--bg-dark); color: var(--text-primary); font-family: var(--font-body); line-height: 1.6; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }

/* Navigation */
.site-header { padding: 1.5rem 0; border-bottom: 1px solid var(--border-subtle); position: sticky; top: 0; background: rgba(9, 10, 12, 0.92); backdrop-filter: blur(12px); z-index: 100; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.brand-logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.8rem; color: var(--text-primary); text-decoration: none; letter-spacing: .02em;}
.logo-accent { color: #fff; }
.logo-sub { color: var(--accent-orange); font-size: 1.8rem; margin-left: 0.25rem;font-weight: 300; }


.main-nav { display: flex; gap: 2rem; align-items: center; }
.main-nav a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.main-nav a:hover, .main-nav a.active { color: var(--text-primary); }
.btn-nav { background: var(--text-primary); color: var(--bg-dark) !important; padding: 0.6rem 1.25rem; border-radius: 4px; font-weight: 600; }

/* Hero Section */
.hero-section { padding: 7rem 0 5rem; border-bottom: 1px solid var(--border-subtle); }
.hero-badge { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-cyan); text-transform: uppercase; margin-bottom: 1rem; letter-spacing: 0.05em; }
.hero-title { font-family: var(--font-heading); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 700; line-height: 1.1; margin-bottom: 1.5rem; max-width: 900px; }
.hero-sub { font-size: 1.25rem; color: var(--text-muted); max-width: 720px; margin-bottom: 2.5rem; }
.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary { background: var(--accent-orange); color: #fff; padding: 0.9rem 2rem; border-radius: 4px; text-decoration: none; font-weight: 600; transition: opacity 0.2s; }
.btn-secondary { background: var(--bg-surface-elevated); color: var(--text-primary); padding: 0.9rem 2rem; border-radius: 4px; text-decoration: none; border: 1px solid var(--border-subtle); }

/* Credibility Bar */
.cred-bar { display: flex; flex-wrap: wrap; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--border-subtle); font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); }
.cred-bar span { display: flex; align-items: center; gap: 0.5rem; }
.cred-bar span::before { content: '•'; color: var(--accent-orange); }

/* Grid Layouts */
.section-padding { padding: 6rem 0; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 2rem; margin-top: 3rem; }
.card { background: var(--bg-surface); border: 1px solid var(--border-subtle); padding: 2.25rem; border-radius: 8px; transition: transform 0.2s, border-color 0.2s; }
.card:hover { transform: translateY(-3px); border-color: var(--border-highlight); }
.card-tag { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-cyan); margin-bottom: 0.75rem; }
.card-title { font-family: var(--font-heading); font-size: 1.4rem; margin-bottom: 1rem; }

/* Visual Placeholders */
.placeholder-visual { aspect-ratio: 16/9; background: repeating-linear-gradient(45deg, #121418, #121418 10px, #171a20 10px, #171a20 20px); border: 1px dashed var(--border-highlight); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border-subtle); background: var(--bg-surface); padding: 5rem 0 2rem; margin-top: 6rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }
.footer-col h4 { font-family: var(--font-heading); margin-bottom: 1.25rem; font-size: 1.1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col ul a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-col ul a:hover { color: #fff; }
.btn-artisan { display: inline-block; margin-top: 1rem; color: var(--accent-cyan); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--accent-cyan); padding-bottom: 2px; }
.footer-bottom { border-top: 1px solid var(--border-subtle); margin-top: 4rem; padding-top: 2rem; text-align: center; font-size: 0.85rem; color: var(--text-muted); }

/* Responsive adjustments */
@media (max-width: 840px) {
    .main-nav { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
}