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

: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;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --link: #1b61c9;
    --link-active: #1a3866;
    --info-border: #458fff;
    --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: -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(--body);
    background: var(--canvas);
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-active); }

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

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

/* TOP NAV */
.top-nav {
    height: 64px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
}

.top-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.4;
    letter-spacing: 0;
    white-space: nowrap;
}

.nav-logo span { color: var(--signature-coral); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    line-height: 1.25;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* BUTTONS */
.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;
    transition: background 0.15s ease;
}

.btn-primary:hover, .btn-primary:focus { 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;
    transition: border-color 0.15s ease;
}

.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

.btn-secondary-on-dark {
    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: none;
    cursor: pointer;
    text-decoration: none;
}

/* HERO BAND */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 720px;
    margin-bottom: var(--spacing-lg);
}

.hero-band .hero-sub {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

/* SIGNATURE CORAL CARD */
.signature-coral-card {
    background: var(--signature-coral);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    max-width: 640px;
}

.signature-coral-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* SIGNATURE FOREST CARD */
.signature-forest-card {
    background: var(--signature-forest);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.signature-forest-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

.signature-forest-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

/* DARK CARD */
.hero-card-dark {
    background: var(--surface-dark);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}

.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

/* SECTION */
.section {
    padding: var(--spacing-section) 0;
}

.section-title {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--ink);
    margin-bottom: var(--spacing-xl);
}

.section-intro {
    font-size: 14px;
    color: var(--body);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* DEMO GRID */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.demo-grid-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    border: 1px solid var(--hairline);
    overflow: hidden;
}

.demo-grid-card.peach { background: var(--signature-peach); border: none; }
.demo-grid-card.mint { background: var(--signature-mint); border: none; }
.demo-grid-card.cream { background: var(--signature-cream); border: none; }

.demo-grid-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-md);
}

.demo-grid-card.tall img { height: 260px; }
.demo-grid-card.short img { height: 160px; }

.demo-grid-card h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.demo-grid-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

.demo-grid-card a.card-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--link);
}

/* ARTICLE CARDS */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    border: 1px solid var(--hairline);
    overflow: hidden;
}

.article-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-md);
}

.article-card .tag {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--muted);
    margin-bottom: var(--spacing-xs);
}

.article-card h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.article-card .meta {
    font-size: 13px;
    color: var(--muted);
}

/* LOGO STRIP */
.logo-strip {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}

.logo-strip p {
    font-size: 13px;
    color: var(--muted);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

/* CTA BAND LIGHT */
.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    margin: var(--spacing-section) 0;
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.cta-band-light p {
    font-size: 14px;
    color: var(--body);
    max-width: 520px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

/* FORM */
.contact-form {
    background: var(--surface-soft);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    max-width: 560px;
}

.contact-form h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
    line-height: 1.35;
}

.form-group { margin-bottom: var(--spacing-md); }

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    height: 44px;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    padding: 12px 16px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease;
}

.form-group textarea { height: auto; min-height: 100px; resize: vertical; }

.form-group input:focus,
.form-group textarea:focus { border-color: var(--info-border); }

/* FOOTER */
.footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-section) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    font-size: 14px;
    color: var(--muted);
    margin-top: var(--spacing-md);
    line-height: 1.6;
    max-width: 240px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: var(--spacing-xs); }

.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
}

.footer-col ul li a:hover { color: var(--ink); }

.footer-legal {
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal p,
.footer-legal a {
    font-size: 14px;
    color: var(--muted);
}

/* 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: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    flex: 1;
    min-width: 240px;
}

.cookie-banner a { color: rgba(255,255,255,0.7); text-decoration: underline; }

.cookie-actions { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }

.btn-legal {
    background: var(--link);
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    padding: 12px 10px;
    border: none;
    cursor: pointer;
}

.btn-legal-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    padding: 12px 10px;
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
}

/* ARTICLE PAGE */
.article-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}

.article-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: var(--spacing-lg);
}

.article-meta {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: var(--spacing-xxl);
}

.article-body {
    max-width: 760px;
    margin: 0 auto;
    padding-bottom: var(--spacing-section);
}

.article-body h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.article-body ul, .article-body ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-body ul li, .article-body ol li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.article-body img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
}

.article-body a { color: var(--link); }

.related-articles {
    padding: var(--spacing-section) 0;
    border-top: 1px solid var(--hairline);
}

.related-articles h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-xl);
    line-height: 1.35;
    letter-spacing: 0.12px;
}

/* PAGE HERO */
.page-hero {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 680px;
    margin-bottom: var(--spacing-lg);
}

.page-hero p {
    font-size: 14px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
}

/* PROSE PAGE */
.prose {
    max-width: 760px;
    padding-bottom: var(--spacing-section);
}

.prose h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.prose h3 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.35;
    letter-spacing: 0.12px;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.prose p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.prose ul, .prose ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.prose li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.prose a { color: var(--link); }

/* TWO-COL LAYOUT */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-section) 0;
}

.two-col img {
    width: 100%;
    border-radius: var(--rounded-md);
}

.two-col h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.two-col p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* MOBILE NAV SHEET */
.mobile-nav-sheet {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--canvas);
    z-index: 200;
    padding: var(--spacing-xxl) var(--spacing-xxl);
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-nav-sheet.open { display: flex; }

.mobile-nav-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-sheet a {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.35;
}

/* DISCLAIMER */
.disclaimer-banner {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    font-size: 13px;
    color: var(--body);
    line-height: 1.5;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .two-col img { order: -1; }
}

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