*, *::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;
    --link: #1b61c9;
    --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;
    --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);
    background: var(--canvas);
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 48px;
}

.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;
}

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

.nav-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    flex-shrink: 0;
}

.nav-brand:hover { text-decoration: none; color: var(--ink); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
}

.nav-links a:hover { color: var(--ink); text-decoration: none; }

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

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 1px;
    transition: all 0.2s;
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--canvas);
    z-index: 200;
    flex-direction: column;
    padding: 24px 48px;
}

.mobile-menu.open { display: flex; }

.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--ink);
    margin-bottom: 32px;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu ul a {
    font-size: 20px;
    color: var(--ink);
    text-decoration: none;
}

.hero-band {
    padding: var(--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: 20px;
}

.hero-band p {
    font-size: 14px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    min-height: 48px;
}

.btn-primary:hover { background: var(--primary-active); text-decoration: none; color: var(--on-primary); }

.btn-secondary {
    display: inline-block;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s;
    min-height: 48px;
}

.btn-secondary:hover { border-color: var(--ink); text-decoration: none; color: var(--ink); }

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

.btn-secondary-on-dark:hover { text-decoration: none; color: var(--ink); }

.btn-legal {
    display: inline-block;
    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;
    text-decoration: none;
}

.section-body {
    padding: var(--section) 0;
    background: var(--canvas);
}

.section-title {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: 12px;
}

.article-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    padding: 16px;
    border: 1px solid var(--hairline);
    text-decoration: none;
    display: block;
    transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--ink); text-decoration: none; }

.article-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: 12px;
}

.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.article-card-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: 8px;
}

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

.signature-coral-card {
    background: var(--signature-coral);
    border-radius: var(--rounded-lg);
    padding: 48px;
    color: var(--on-primary);
    margin: var(--section) 0;
}

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: 16px;
    max-width: 600px;
}

.signature-coral-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    max-width: 520px;
    margin-bottom: 28px;
    line-height: 1.5;
}

.signature-forest-card {
    background: var(--signature-forest);
    border-radius: var(--rounded-lg);
    padding: 48px;
    color: var(--on-primary);
    margin-bottom: var(--section);
}

.signature-forest-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: 16px;
    max-width: 600px;
}

.signature-forest-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    max-width: 520px;
    margin-bottom: 28px;
    line-height: 1.5;
}

.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: 24px;
    margin-bottom: 24px;
}

.cream-callout h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 8px;
}

.cream-callout p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.demo-card {
    border-radius: var(--rounded-md);
    padding: 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

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

.demo-card p {
    font-size: 14px;
    font-weight: 400;
    color: var(--ink);
    margin-top: 6px;
    line-height: 1.4;
}

.dark-cta-band {
    background: var(--surface-dark);
    border-radius: var(--rounded-lg);
    padding: 48px;
    margin: var(--section) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.dark-cta-band h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    max-width: 480px;
    line-height: 1.2;
}

.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: 48px;
    margin-bottom: var(--section);
    text-align: center;
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 24px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.two-col img {
    border-radius: var(--rounded-md);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.section-label {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

h2.display-md {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
}

h2.display-xl {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 16px;
}

.body-text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body);
    margin-bottom: 16px;
}

.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: 32px 0 12px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin: 24px 0 10px;
}

.article-body p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 16px;
}

.article-body ul, .article-body ol {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-body li { margin-bottom: 6px; }

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

.article-body img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin: 24px 0;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.article-header {
    padding: var(--section) 0 48px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 48px;
}

.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 16px;
}

.article-header .meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    padding-bottom: var(--section);
}

.article-sidebar {
    border-left: 1px solid var(--hairline);
    padding-left: 32px;
}

.sidebar-card {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 12px;
}

.sidebar-card ul {
    list-style: none;
    padding: 0;
}

.sidebar-card ul li {
    border-bottom: 1px solid var(--hairline);
    padding: 8px 0;
    font-size: 14px;
}

.sidebar-card ul li:last-child { border-bottom: none; }
.sidebar-card ul li a { color: var(--link); text-decoration: none; }
.sidebar-card ul li a:hover { text-decoration: underline; }

.contact-form {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: 32px;
    max-width: 560px;
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

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

.form-group textarea {
    height: auto;
    min-height: 80px;
    resize: vertical;
}

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

.page-header {
    padding: var(--section) 0 48px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 48px;
}

.page-header h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 12px;
}

.page-header p {
    font-size: 14px;
    color: var(--muted);
}

.page-content {
    padding-bottom: var(--section);
}

.page-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: 32px 0 12px;
}

.page-content h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin: 24px 0 10px;
}

.page-content p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 16px;
}

.page-content ul, .page-content ol {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 16px;
    padding-left: 24px;
}

.page-content li { margin-bottom: 6px; }

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--section) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 12px;
    display: block;
}

.footer-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
    max-width: 280px;
}

.footer-col h5 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 12px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}

.footer-col ul li a:hover { color: var(--ink); text-decoration: none; }

.footer-legal {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

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

.footer-legal-links {
    display: flex;
    gap: 16px;
}

.footer-legal-links a {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
}

.footer-legal-links a:hover { color: var(--ink); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: 20px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.15);
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.4;
    max-width: 720px;
}

.cookie-banner p a {
    color: #7ab3ff;
}

.cookie-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
}

.breadcrumb a {
    color: var(--muted);
    text-decoration: none;
}

.breadcrumb a:hover { color: var(--ink); }

.breadcrumb span { margin: 0 6px; }

.disclaimer {
    background: var(--surface-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 32px;
}

.schema-org-hidden { display: none; }

@media (max-width: 1024px) {
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { border-left: none; border-top: 1px solid var(--hairline); padding-left: 0; padding-top: 32px; }
    .dark-cta-band { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .article-cards-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-band h1 { font-size: 28px; }
    h2.display-xl { font-size: 32px; }
    h2.display-md { font-size: 24px; }
    .signature-coral-card { padding: 28px 20px; }
    .signature-coral-card h2 { font-size: 24px; }
    .signature-forest-card { padding: 28px 20px; }
    .signature-forest-card h2 { font-size: 24px; }
    .dark-cta-band { padding: 28px 20px; }
    .dark-cta-band h2 { font-size: 24px; }
    .cta-band-light { padding: 28px 20px; }
    .cookie-banner { flex-direction: column; padding: 20px; }
    .footer-legal { flex-direction: column; align-items: flex-start; }
    .article-header h1 { font-size: 28px; }
}