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

*, *::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;
    --surface-dark-elevated: #1d1f25;
    --hairline: #dddddd;
    --ink: #181d26;
    --body-color: #333840;
    --muted: #41454d;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --link-active: #1a3866;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --signature-yellow: #f4d35e;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --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, Helvetica, Arial, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--body-color);
    background: var(--canvas);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:active { 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-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.3px;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body-color);
}

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

.btn-primary {
    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;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    min-height: 48px;
}

.btn-primary:active { background: var(--primary-active); color: var(--on-primary); }

.btn-secondary {
    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;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    min-height: 48px;
}

.btn-secondary-on-dark {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    min-height: 48px;
}

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

/* HAMBURGER */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

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

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

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

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

.nav-mobile-sheet ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.nav-mobile-sheet a {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
}

/* 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: 680px;
    margin-bottom: var(--spacing-lg);
}

.hero-band p {
    font-size: 14px;
    font-weight: 400;
    color: var(--body-color);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

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

.section-band-soft {
    padding: var(--spacing-section) 0;
    background: var(--surface-soft);
}

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

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

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

.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(255,255,255,0.85);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 560px;
}

.hero-card-dark {
    background: var(--surface-dark);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

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

.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 560px;
}

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

.cream-callout-card h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* ARTICLE CARDS */
.article-cards-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);
}

.article-card-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-md);
}

.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    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-meta {
    font-size: 13px;
    color: var(--muted);
}

.article-card a { color: inherit; }

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

.demo-grid-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
}

.demo-grid-card.peach { background: var(--signature-peach); }
.demo-grid-card.mint { background: var(--signature-mint); }
.demo-grid-card.yellow { background: var(--signature-yellow); }
.demo-grid-card.cream { background: var(--signature-cream); }

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

.demo-grid-card p {
    font-size: 14px;
    color: var(--body-color);
    line-height: 1.5;
}

.demo-grid-card img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-sm);
    aspect-ratio: 4/3;
    object-fit: cover;
}

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

.section-subtitle {
    font-size: 14px;
    color: var(--body-color);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

h2.display-lg {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
}

h2.display-md {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
}

/* FORMS */
.contact-form {
    max-width: 520px;
}

.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-family: inherit;
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    outline: none;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #458fff;
}

/* FOOTER */
.site-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 repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-section);
}

.footer-brand-col .nav-brand {
    display: block;
    margin-bottom: var(--spacing-md);
}

.footer-brand-col p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    max-width: 220px;
}

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

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

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

.footer-legal p {
    font-size: 13px;
    color: var(--muted);
}

.footer-legal-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer-legal-links a {
    font-size: 13px;
    color: var(--muted);
}

/* COOKIE BANNER */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    z-index: 999;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.cookie-banner.visible { display: block; }

.cookie-banner-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    max-width: 680px;
}

.cookie-banner p a {
    color: #7db3ff;
}

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

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

.article-hero .article-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-sm);
}

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

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

.article-featured-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-section);
}

.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body-color);
    margin-bottom: var(--spacing-md);
}

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

.article-body li {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body-color);
    margin-bottom: var(--spacing-xs);
}

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

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

/* PAGE LAYOUT (about/privacy/terms) */
.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    font-size: 14px;
    color: var(--body-color);
    max-width: 540px;
    line-height: 1.6;
}

.page-body {
    max-width: 720px;
    padding-bottom: var(--spacing-section);
}

.page-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.page-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.page-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body-color);
    margin-bottom: var(--spacing-md);
}

.page-body ul {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-body li {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body-color);
    margin-bottom: var(--spacing-xs);
}

/* DISCLAIMER */
.disclaimer-band {
    background: var(--surface-soft);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-xl) 0;
}

.disclaimer-band p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
}

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    font-size: 13px;
    color: var(--muted);
    padding: var(--spacing-md) 0;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb span { color: var(--muted); }

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

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-links, .nav-actions { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band h1 { font-size: 28px; }
    h2.display-lg { font-size: 28px; }
    h2.display-md { font-size: 24px; }
    .article-cards-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .signature-coral-card h2,
    .signature-forest-card h2,
    .hero-card-dark h2 { font-size: 24px; }
    .article-body { padding: 0 var(--spacing-md); }
    .cookie-banner { padding: var(--spacing-md); }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .section-band { padding: var(--spacing-xxl) 0; }
    .article-hero h1 { font-size: 28px; }
}