:root {
    --gutter: clamp(1rem, 4vw, 6rem);
    --card-min: 18rem;
    --space-section: clamp(3rem, 6vw, 7rem);
    --fs-body: clamp(1rem, 0.95rem + 0.25vw, 1.25rem);
    --fs-h1: clamp(2.15rem, 1.45rem + 2.8vw, 4.5rem);
    --fs-h2: clamp(1.2rem, 1.05rem + 0.5vw, 1.6rem);
    --bg-primary: #070b14;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --border-color: rgba(148, 163, 184, 0.16);
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.18);
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
}

@media (min-width: 1920px) {
    html { font-size: 112.5%; }
}

@media (min-width: 2560px) {
    html { font-size: 125%; }
}

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

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: var(--fs-body);
    line-height: 1.65;
    color: var(--text-primary);
    background: radial-gradient(circle at 85% 15%, var(--accent-glow), transparent 45%),
                radial-gradient(circle at 15% 85%, rgba(16, 185, 129, 0.1), transparent 40%),
                var(--bg-primary);
    overflow-x: hidden;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
}

.section {
    width: 100%;
    padding-block: var(--space-section);
}

.wrap {
    width: 100%;
    padding-inline: var(--gutter);
}

.wrap--boxed {
    max-width: var(--boxed-max, 1440px);
    margin-inline: auto;
}

.grid {
    display: grid;
    gap: clamp(1rem, 2vw, 2rem);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--card-min)), 1fr));
}

.split {
    display: grid;
    gap: clamp(2rem, 4vw, 5rem);
    align-items: center;
}

@media (min-width: 1024px) {
    .split {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.prose {
    max-width: 75ch;
}

.site-header {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(7, 11, 20, 0.8);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1.1rem;
    flex-wrap: wrap;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-mark {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #fff;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-text strong {
    font-size: 1.15rem;
}

.brand-text small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.header-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.header-link:hover {
    color: var(--text-primary);
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.14);
    border: 1px solid rgba(59, 130, 246, 0.3);
    margin-bottom: 1.25rem;
}

h1 {
    font-size: var(--fs-h1);
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin: 0 0 1.25rem;
}

.lead {
    color: var(--text-muted);
    margin: 0 0 2rem;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn--primary {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--accent-hover);
}

.btn--outline {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn--outline:hover {
    border-color: #60a5fa;
    background: rgba(59, 130, 246, 0.08);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
    gap: 1.25rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
}

.stat-item strong {
    display: block;
    font-size: 1.65rem;
    color: #fff;
    line-height: 1.2;
}

.stat-item span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 2vw, 1.85rem);
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #60a5fa;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.card h2 {
    font-size: var(--fs-h2);
    margin: 0 0 0.5rem;
}

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

.site-footer {
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding-block: 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-inner p {
    margin: 0;
}

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