@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;475;500;575&display=swap');

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

:root {
    --color-primary: #181d26;
    --color-primary-active: #0d1218;
    --color-canvas: #ffffff;
    --color-surface-soft: #f8fafc;
    --color-surface-strong: #e0e2e6;
    --color-surface-dark: #181d26;
    --color-surface-dark-elevated: #1d1f25;
    --color-hairline: #dddddd;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-link-active: #1a3866;
    --color-info-border: #458fff;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --color-signature-yellow: #f4d35e;
    --color-signature-mustard: #d9a441;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-pill: 9999px;
    --rounded-full: 50%;
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-body);
    background: var(--color-canvas);
}

a { color: var(--color-link); text-decoration: none; }
a:active { color: var(--color-link-active); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--spacing-xxl); }

/* TOP NAV */
.top-nav {
    height: 64px;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}
.top-nav .container { display: flex; align-items: center; height: 100%; gap: var(--spacing-xl); }
.nav-logo { font-size: 18px; font-weight: 500; color: var(--color-ink); text-decoration: none; white-space: nowrap; }
.nav-logo span { color: var(--color-signature-coral); }
.nav-menu { display: flex; align-items: center; gap: var(--spacing-lg); list-style: none; flex: 1; }
.nav-menu a { font-size: 14px; font-weight: 400; color: var(--color-body); text-decoration: none; }
.nav-menu a:active { color: var(--color-ink); }
.nav-actions { display: flex; align-items: center; gap: var(--spacing-md); margin-left: auto; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: var(--spacing-xs); flex-direction: column; gap: 5px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--color-ink); }

/* BUTTONS */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    min-height: 48px;
}
.btn-primary:active { background: var(--color-primary-active); color: var(--color-on-primary); }
.btn-secondary {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    min-height: 48px;
}
.btn-secondary:active { border-color: var(--color-ink); }
.btn-legal {
    background: var(--color-link);
    color: var(--color-on-primary);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    min-height: 48px;
}
.btn-outline-small {
    background: transparent;
    color: var(--color-ink);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    text-decoration: none;
    display: inline-block;
}

/* HERO BAND */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}
.hero-band h1 {
    font-family: 'Inter Display', 'Inter', sans-serif;
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 720px;
    margin-bottom: var(--spacing-lg);
}
.hero-band p {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}
.hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

/* SECTION TITLES */
.section-title {
    font-family: 'Inter Display', 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
.section-subtitle {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.6;
    max-width: 640px;
    margin-bottom: var(--spacing-xxl);
}

/* EDITORIAL BANDS */
.band { padding: var(--spacing-section) 0; }
.band-soft { background: var(--color-surface-soft); }
.band-cream { background: var(--color-signature-cream); }
.band-dark { background: var(--color-surface-dark); color: var(--color-on-primary); }
.band-dark .section-title { color: var(--color-on-primary); }
.band-dark .section-subtitle { color: rgba(255,255,255,0.8); }
.band-strong { background: var(--color-surface-strong); }

/* SIGNATURE CARDS */
.signature-coral-card {
    background: var(--color-signature-coral);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.signature-coral-card h2 {
    font-family: 'Inter Display', 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-md);
}
.signature-coral-card p { color: rgba(255,255,255,0.85); margin-bottom: var(--spacing-xl); font-size: 14px; line-height: 1.6; }
.signature-forest-card {
    background: var(--color-signature-forest);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.signature-forest-card h2 {
    font-family: 'Inter Display', 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-md);
}
.signature-forest-card p { color: rgba(255,255,255,0.85); margin-bottom: var(--spacing-xl); font-size: 14px; line-height: 1.6; }

/* ARTICLE CARDS */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
}
.article-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-card-body { padding: var(--spacing-md); }
.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xs);
}
.article-card-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
    text-decoration: none;
    display: block;
}
.article-card-meta { font-size: 13px; color: var(--color-muted); margin-top: var(--spacing-sm); }

/* DEMO GRID */
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}
.demo-card-peach { background: var(--color-signature-peach); }
.demo-card-mint { background: var(--color-signature-mint); }
.demo-card-cream { background: var(--color-signature-cream); }
.demo-card-yellow { background: var(--color-signature-yellow); }
.demo-card img { width: 100%; border-radius: var(--rounded-md); aspect-ratio: 4/3; object-fit: cover; margin-bottom: var(--spacing-sm); }
.demo-card-label { font-size: 16px; font-weight: 500; color: var(--color-ink); line-height: 1.4; }
.demo-card-desc { font-size: 14px; color: var(--color-body); margin-top: var(--spacing-xs); line-height: 1.5; }

/* CREAM CALLOUT */
.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}
.cream-callout h3 { font-size: 24px; font-weight: 400; color: var(--color-ink); margin-bottom: var(--spacing-sm); letter-spacing: 0.12px; }
.cream-callout p { font-size: 14px; color: var(--color-body); line-height: 1.6; }

/* CTA BAND */
.cta-band {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}
.cta-band h2 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 32px; font-weight: 400; color: var(--color-ink); margin-bottom: var(--spacing-lg); }

/* FORM */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
.form-group { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--color-ink); }
.form-group input, .form-group textarea {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 14px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--color-hairline);
    padding: 12px 16px;
    height: 44px;
    font-family: inherit;
    outline: none;
}
.form-group textarea { height: auto; min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-info-border); }

/* ARTICLE PAGE */
.article-hero { padding: var(--spacing-section) 0 var(--spacing-xxl); background: var(--color-canvas); }
.article-hero h1 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--color-ink); max-width: 800px; margin-bottom: var(--spacing-lg); }
.article-hero .meta { font-size: 14px; color: var(--color-muted); }
.article-content { max-width: 760px; }
.article-content h2 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 32px; font-weight: 400; line-height: 1.2; color: var(--color-ink); margin: var(--spacing-xxl) 0 var(--spacing-md); }
.article-content h3 { font-size: 24px; font-weight: 400; line-height: 1.35; color: var(--color-ink); margin: var(--spacing-xl) 0 var(--spacing-sm); letter-spacing: 0.12px; }
.article-content p { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-md); }
.article-content img { width: 100%; border-radius: var(--rounded-md); margin: var(--spacing-xl) 0; aspect-ratio: 16/9; object-fit: cover; }
.article-content ul, .article-content ol { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.article-content li { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-xs); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: var(--spacing-xxl); align-items: start; }
.article-sidebar { position: sticky; top: 80px; }
.sidebar-card { background: var(--color-surface-soft); border-radius: var(--rounded-md); padding: var(--spacing-xl); margin-bottom: var(--spacing-lg); }
.sidebar-card h4 { font-size: 16px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.sidebar-links { list-style: none; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.sidebar-links a { font-size: 14px; color: var(--color-link); text-decoration: none; line-height: 1.5; }
.sidebar-links a:active { color: var(--color-link-active); }

/* FOOTER */
.site-footer { background: var(--color-canvas); border-top: 1px solid var(--color-hairline); padding: var(--spacing-section) 0 var(--spacing-xl); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-lg); margin-bottom: var(--spacing-section); }
.footer-brand p { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-top: var(--spacing-sm); max-width: 280px; }
.footer-col h5 { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-col a { font-size: 14px; color: var(--color-muted); text-decoration: none; }
.footer-col a:active { color: var(--color-ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--spacing-xl); border-top: 1px solid var(--color-hairline); flex-wrap: wrap; gap: var(--spacing-md); }
.footer-bottom p { font-size: 14px; color: var(--color-muted); }
.footer-bottom-links { display: flex; gap: var(--spacing-lg); }
.footer-bottom-links a { font-size: 14px; color: var(--color-muted); text-decoration: none; }

/* BREADCRUMBS */
.breadcrumbs { padding: var(--spacing-md) 0; font-size: 14px; color: var(--color-muted); }
.breadcrumbs a { color: var(--color-muted); text-decoration: none; }
.breadcrumbs span { margin: 0 var(--spacing-xs); }

/* PAGE HERO (about/privacy/terms) */
.page-hero { padding: var(--spacing-section) 0 var(--spacing-xxl); }
.page-hero h1 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.page-hero p { font-size: 14px; color: var(--color-body); line-height: 1.6; max-width: 600px; }
.page-content { max-width: 760px; margin: 0 auto; padding: var(--spacing-xxl) 0 var(--spacing-section); }
.page-content h2 { font-size: 24px; font-weight: 400; color: var(--color-ink); margin: var(--spacing-xl) 0 var(--spacing-md); letter-spacing: 0.12px; }
.page-content h3 { font-size: 18px; font-weight: 500; color: var(--color-ink); margin: var(--spacing-lg) 0 var(--spacing-sm); }
.page-content p { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-md); }
.page-content ul { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.page-content li { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-xs); }
.page-content a { color: var(--color-link); }

/* DISCLAIMER */
.disclaimer-box { background: var(--color-surface-soft); border-left: 3px solid var(--color-hairline); padding: var(--spacing-md) var(--spacing-lg); border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0; margin-bottom: var(--spacing-md); }
.disclaimer-box p { font-size: 13px; color: var(--color-muted); line-height: 1.6; margin: 0; }

/* CONTACT FORM SECTION */
.contact-section { padding: var(--spacing-section) 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xxl); align-items: start; }
.contact-info h2 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 32px; font-weight: 400; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.contact-info p { font-size: 14px; color: var(--color-body); line-height: 1.6; margin-bottom: var(--spacing-md); }
.contact-detail { display: flex; flex-direction: column; gap: var(--spacing-sm); margin-top: var(--spacing-xl); }
.contact-detail dt { font-size: 13px; font-weight: 500; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-detail dd { font-size: 14px; color: var(--color-body); }

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-lg) 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: 14px; color: rgba(255,255,255,0.85); line-height: 1.6; flex: 1; min-width: 280px; }
#cookie-banner p a { color: rgba(255,255,255,0.85); text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }

/* SCHEMA / VISUAL SEPARATION */
.divider { height: 1px; background: var(--color-hairline); margin: var(--spacing-section) 0; }
.tag-badge { display: inline-block; background: var(--color-surface-soft); border: 1px solid var(--color-hairline); border-radius: var(--rounded-sm); padding: 4px 10px; font-size: 12px; font-weight: 500; color: var(--color-muted); }
.updated-label { font-size: 13px; color: var(--color-muted); font-weight: 500; letter-spacing: 0.16px; }

/* MOBILE NAV OVERLAY */
.nav-overlay { display: none; position: fixed; inset: 0; background: var(--color-canvas); z-index: 99; padding: var(--spacing-xxl); flex-direction: column; gap: var(--spacing-lg); }
.nav-overlay.open { display: flex; }
.nav-overlay a { font-size: 20px; color: var(--color-ink); text-decoration: none; font-weight: 400; }
.nav-overlay-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--color-ink); align-self: flex-end; margin-bottom: var(--spacing-md); }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-menu { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band h1 { font-size: 28px; }
    .section-title { font-size: 24px; }
    .signature-coral-card h2, .signature-forest-card h2 { font-size: 24px; }
    .article-hero h1 { font-size: 28px; }
    .article-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .cta-band { padding: var(--spacing-xl); }
    .cta-band h2 { font-size: 24px; }
    .hero-actions { flex-direction: column; }
    .band { padding: var(--spacing-xxl) 0; }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    #cookie-banner { flex-direction: column; align-items: flex-start; padding: var(--spacing-md); }
    .page-hero h1 { font-size: 28px; }
}