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

:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --surface-dark: #181d26;
    --hairline: #dddddd;
    --ink: #181d26;
    --body: #333840;
    --muted: #41454d;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --max-width: 1280px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--body);
    background: var(--canvas);
}

a { color: var(--link); text-decoration: none; }
a:active { color: #1a3866; }

img { max-width: 100%; height: auto; display: block; }

h1 { font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h2 { font-size: 32px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h3 { font-size: 24px; font-weight: 400; line-height: 1.35; color: var(--ink); letter-spacing: 0.12px; }
h4 { font-size: 20px; font-weight: 400; line-height: 1.5; color: var(--ink); }
h5 { font-size: 18px; font-weight: 500; line-height: 1.4; color: var(--ink); }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary:active { background: var(--primary-active); color: var(--on-primary); }

.btn-secondary {
    display: inline-block;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    text-decoration: none;
}

.btn-legal {
    display: inline-block;
    background: var(--link);
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}
.btn-legal-reject {
    display: inline-block;
    background: transparent;
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.4);
    cursor: pointer;
}

/* NAV */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    display: flex;
    align-items: center;
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}
.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    flex-shrink: 0;
    letter-spacing: -0.3px;
    text-decoration: none;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}
.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
}
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 500; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .nav-inner { padding: 0 var(--spacing-md); }
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-lg) var(--spacing-md);
        border-bottom: 1px solid var(--hairline);
        gap: var(--spacing-md);
    }
    .nav-links.open { display: flex; }
}

/* HERO BAND */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}
.hero-band .hero-eyebrow {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}
.hero-band h1 { margin-bottom: var(--spacing-lg); max-width: 720px; }
.hero-band .hero-sub {
    font-size: 18px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.55;
}
.hero-band .hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; align-items: center; }

/* SIGNATURE CARDS */
.signature-coral {
    background: var(--signature-coral);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.signature-coral h2, .signature-coral h3 { color: var(--on-primary); }
.signature-coral p { color: rgba(255,255,255,0.88); }

.signature-forest {
    background: var(--signature-forest);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.signature-forest h2, .signature-forest h3 { color: var(--on-primary); }
.signature-forest p { color: rgba(255,255,255,0.88); }

.card-dark {
    background: var(--surface-dark);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.card-dark h2, .card-dark h3 { color: var(--on-primary); }
.card-dark p { color: rgba(255,255,255,0.8); }

.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}

/* EDITORIAL SECTIONS */
.editorial-section { padding: var(--spacing-section) 0; }
.editorial-section + .editorial-section { padding-top: 0; }

.section-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

/* ARTICLE CARD GRID */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}
@media (max-width: 1024px) {
    .article-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .article-grid { grid-template-columns: 1fr; }
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    overflow: hidden;
    border: 1px solid var(--hairline);
}
.article-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--rounded-md) var(--rounded-md) 0 0;
}
.article-card-body { padding: var(--spacing-md); }
.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}
.article-card h5 { margin-bottom: var(--spacing-xs); }
.article-card-meta {
    font-size: 13px;
    color: var(--muted);
    margin-top: var(--spacing-xs);
}
.article-card-body p {
    font-size: 14px;
    color: var(--body);
    margin-top: var(--spacing-xs);
    line-height: 1.55;
}

/* DEMO CARDS / FEATURE GRID */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}
@media (max-width: 1024px) { .demo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .demo-grid { grid-template-columns: 1fr; } }

.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
}
.demo-card-peach { background: var(--signature-peach); }
.demo-card-mint  { background: var(--signature-mint); }
.demo-card-cream { background: var(--signature-cream); }
.demo-card h4 { font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: var(--spacing-xs); }
.demo-card p  { font-size: 14px; color: var(--body); line-height: 1.55; }
.demo-card img { border-radius: var(--rounded-sm); margin-bottom: var(--spacing-sm); width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* CTA BAND LIGHT */
.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}
.cta-band-light h2 { margin-bottom: var(--spacing-md); }

/* FORM */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 480px;
}
.contact-form label { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 4px; display: block; }
.contact-form input,
.contact-form textarea {
    width: 100%;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    height: 44px;
    outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: #458fff; }
.contact-form textarea { height: auto; min-height: 120px; resize: vertical; }

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-md) var(--spacing-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    z-index: 999;
    flex-wrap: wrap;
}
.cookie-banner p { font-size: 13px; flex: 1; min-width: 200px; }
.cookie-banner a { color: rgba(255,255,255,0.75); text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: var(--spacing-xs); flex-shrink: 0; }

/* ARTICLE PAGE */
.article-hero { padding: var(--spacing-section) 0 var(--spacing-xl); }
.article-hero .article-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}
.article-hero h1 { font-size: 40px; max-width: 760px; margin-bottom: var(--spacing-lg); }
.article-hero .article-meta { font-size: 13px; color: var(--muted); }
.article-body { max-width: 720px; padding-bottom: var(--spacing-section); }
.article-body p { margin-bottom: var(--spacing-md); line-height: 1.7; color: var(--body); }
.article-body h2 { font-size: 28px; margin: var(--spacing-xl) 0 var(--spacing-md); }
.article-body h3 { font-size: 22px; margin: var(--spacing-lg) 0 var(--spacing-sm); }
.article-body ul, .article-body ol { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.article-body li { margin-bottom: var(--spacing-xs); line-height: 1.65; }
.article-body a { color: var(--link); }
.article-body img { border-radius: var(--rounded-md); margin: var(--spacing-lg) 0; width: 100%; }
.article-body blockquote {
    border-left: 3px solid var(--hairline);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--muted);
    font-style: italic;
}
.article-related { padding: var(--spacing-section) 0; border-top: 1px solid var(--hairline); }

/* FOOTER */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-section) 0 0;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col strong { font-size: 14px; font-weight: 600; color: var(--ink); }
.footer-col a { font-size: 14px; color: var(--muted); text-decoration: none; }
.footer-col p { font-size: 13px; color: var(--muted); line-height: 1.55; }
.footer-legal {
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-lg) var(--spacing-xxl);
    max-width: var(--max-width);
    margin: 0 auto;
}
.footer-legal p { font-size: 12px; color: var(--muted); }

@media (max-width: 1024px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .footer-inner { grid-template-columns: 1fr; padding: 0 var(--spacing-md) var(--spacing-xl); }
    .footer-legal { padding: var(--spacing-md); }
    .hero-band h1 { font-size: 28px; }
    h2 { font-size: 24px; }
}

/* PROSE PAGES */
.prose-page { padding: var(--spacing-section) 0; }
.prose-body { max-width: 720px; }
.prose-body h2 { margin: var(--spacing-xl) 0 var(--spacing-md); font-size: 24px; }
.prose-body h3 { margin: var(--spacing-lg) 0 var(--spacing-sm); font-size: 20px; }
.prose-body p { margin-bottom: var(--spacing-md); line-height: 1.7; }
.prose-body ul { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.prose-body li { margin-bottom: var(--spacing-xs); line-height: 1.65; }
.prose-body a { color: var(--link); }
.updated-note { font-size: 13px; color: var(--muted); margin-bottom: var(--spacing-xl); }

/* ABOUT PAGE */
.two-col-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}
@media (max-width: 768px) {
    .two-col-layout { grid-template-columns: 1fr; }
}

/* UTILITY */
.mt-section { margin-top: var(--spacing-section); }
.mb-section { margin-bottom: var(--spacing-section); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.text-muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }