/* Canonical tokens: docs/design-system.md. Theme 1 is intentionally isolated. */
@font-face {
  font-family: Inter;
  src: url('/assets/fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --bg-primary: #08111F;
  --bg-secondary: #101C2C;
  --surface: #172436;
  --text-primary: #F4F7FA;
  --text-secondary: #9EADBD;
  --text-muted: #6F8092;
  --text-disabled: #516172;
  --accent: #39C6C8;
  --accent-hover: #70E1E3;
  --accent-dark: #15999C;
  --accent-soft: rgba(57, 198, 200, .12);
  --border-subtle: #1B2B3D;
  --border-default: #27394D;
  --border-strong: #385168;
  --success: #56C596;
  --warning: #E6B85C;
  --error: #E76F73;
  --info: #5BA9E6;
  --light-bg-primary: #F6F8FB;
  --light-bg-secondary: #EDF2F6;
  --light-surface: #FFFFFF;
  --light-text-primary: #101A26;
  --light-text-secondary: #647485;
  --light-text-muted: #82909E;
  --light-border: #DCE4EC;
  --light-accent: #15999C;
  --light-accent-hover: #117E81;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
  --content-width: 1200px;
  --text-width: 720px;
  --section-space: var(--space-16);
  --page-gutter: var(--space-6);
  --control-height: 44px;
  --hover-surface: rgba(255, 255, 255, .04);
  --motif-primary: rgba(57, 198, 200, .08);
  --motif-secondary: rgba(244, 247, 250, .04);
  --motion-duration: 180ms;
}
* { box-sizing: border-box; }
html { scroll-padding-top: var(--space-6); }
body { margin: 0; background: var(--bg-primary); color: var(--text-primary); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 16px; line-height: 25px; font-weight: 400; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; text-wrap: balance; }
h1 { font-size: 36px; line-height: 42px; letter-spacing: -.035em; }
h2 { font-size: 30px; line-height: 38px; letter-spacing: -.025em; }
h3 { font-size: 24px; line-height: 32px; letter-spacing: -.02em; }
a { color: var(--accent); text-underline-offset: 5px; }
a:hover { color: var(--accent-hover); }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: var(--radius-sm); }
img { display: block; max-width: 100%; }
button, summary { font: inherit; }
.page { width: min(var(--content-width), calc(100% - var(--page-gutter) * 2)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: var(--space-4); left: var(--space-4); transform: translateY(-200%); background: var(--text-primary); color: var(--bg-primary); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); }
.skip-link:focus { transform: translateY(0); }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: var(--space-6); border-bottom: 1px solid var(--border-subtle); position: relative; z-index: 2; }
.brand { display: inline-flex; align-items: center; min-height: var(--control-height); min-width: 0; }
.brand img { width: 176px; height: auto; }
.desktop-nav { display: none; }
nav { display: flex; gap: var(--space-6); flex-wrap: wrap; }
nav a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--control-height); min-width: var(--control-height); color: var(--text-secondary); text-decoration: none; font-size: 14px; line-height: 22px; }
.mobile-nav summary { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; min-height: var(--control-height); padding-inline: var(--space-3); color: var(--text-primary); font-size: 14px; list-style: none; border: 1px solid var(--border-default); border-radius: var(--radius-md); }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary svg { width: 16px; height: 16px; }
.mobile-nav[open] summary { border-color: var(--accent); }
.mobile-nav nav { position: absolute; top: calc(100% + var(--space-2)); right: 0; left: 0; background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-lg); display: grid; gap: var(--space-1); padding: var(--space-3); }
.mobile-nav nav a { justify-content: flex-start; padding-inline: var(--space-4); }
.mobile-nav nav a:hover { background: var(--hover-surface); }
.hero { position: relative; padding-block: var(--section-space); }
.eyebrow { display: flex; align-items: center; gap: var(--space-3); color: var(--text-secondary); font-size: 12px; line-height: 18px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; margin-bottom: var(--space-6); }
.eyebrow::before { content: ''; width: 16px; height: 2px; flex: 0 0 16px; background: var(--accent); }
.hero h1 { max-width: 960px; font-size: 42px; line-height: 48px; }
.hero-copy { max-width: 640px; color: var(--text-secondary); font-size: 18px; line-height: 30px; margin-top: var(--space-6); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-4); min-height: var(--control-height); padding: var(--space-2) var(--space-6); border: 1px solid var(--border-strong); border-radius: var(--radius-md); color: var(--text-primary); font-size: 14px; line-height: 22px; font-weight: 500; text-decoration: none; transition: background var(--motion-duration), border-color var(--motion-duration); }
.hero .button { min-height: 48px; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg-primary); }
.button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--bg-primary); }
.button.secondary:hover { background: var(--hover-surface); color: var(--text-primary); }
.arrow { width: 16px; height: 16px; flex-shrink: 0; }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-8); margin-top: var(--space-12); color: var(--text-secondary); font-size: 12px; line-height: 18px; }
.hero-motif { display: none; pointer-events: none; }
.section { padding-block: var(--section-space); border-top: 1px solid var(--border-subtle); }
.section-header { display: grid; gap: var(--space-4); margin-bottom: var(--space-8); }
.section-header .eyebrow { margin-bottom: var(--space-3); }
.section-header > p { max-width: 400px; color: var(--text-secondary); font-size: 14px; line-height: 22px; }
.cards { display: grid; gap: var(--space-6); }
.card { display: flex; flex-direction: column; padding: var(--space-6); background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-lg); transition: border-color var(--motion-duration), transform var(--motion-duration); }
@media (hover: hover) { .card:hover { border-color: var(--border-strong); transform: translateY(-2px); } }
.card:focus-within { border-color: var(--border-strong); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); }
.product-icon { border-radius: var(--radius-lg); object-fit: cover; flex-shrink: 0; }
.platform { display: inline-block; color: var(--text-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-sm); padding: var(--space-1) var(--space-2); font-size: 12px; line-height: 18px; font-weight: 500; white-space: nowrap; }
.card p { color: var(--text-secondary); font-size: 14px; line-height: 22px; }
.card .product-subtitle { margin-top: var(--space-1); margin-bottom: var(--space-6); }
.card .fine-print { margin-top: var(--space-4); font-size: 12px; line-height: 18px; }
.product-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); padding-top: var(--space-6); margin-top: auto; }
.product-links a { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--control-height); color: var(--text-primary); text-decoration: none; font-size: 14px; line-height: 22px; font-weight: 500; }
.product-links a:hover { color: var(--accent-hover); }
.capabilities, .principles { display: grid; gap: var(--space-8); }
.capability, .principle { border-top: 1px solid var(--border-default); padding-top: var(--space-6); }
.capability svg { width: 24px; height: 24px; color: var(--text-secondary); margin-bottom: var(--space-6); }
.capability h3, .principle h3 { font-size: 22px; line-height: 30px; margin-bottom: var(--space-3); }
.capability p, .principle p { color: var(--text-secondary); font-size: 14px; line-height: 22px; max-width: 38ch; }
.split { display: grid; gap: var(--space-8); }
.prose { max-width: var(--text-width); color: var(--text-secondary); }
.prose p + p { margin-top: var(--space-6); }
.prose strong { color: var(--text-primary); font-weight: 500; }
.founder { margin-block: var(--space-8); padding-left: var(--space-6); border-left: 2px solid var(--border-strong); }
.founder strong { display: block; }
.founder span { display: block; font-size: 14px; line-height: 22px; margin-top: var(--space-1); }
.services { padding-top: var(--space-8); border-top: 1px solid var(--border-subtle); }
.services h3 { font-size: 22px; line-height: 30px; color: var(--text-primary); margin-bottom: var(--space-4); }
.services p { font-size: 14px; line-height: 22px; }
.contact-section > p:not(.eyebrow) { color: var(--text-secondary); margin-top: var(--space-4); }
.contact-grid { display: grid; gap: var(--space-8); margin-top: var(--space-8); }
.contact-grid h3 { color: var(--text-secondary); font-size: 14px; line-height: 22px; font-weight: 400; margin-bottom: var(--space-2); }
.email { display: inline-flex; align-items: center; min-height: var(--control-height); color: var(--text-primary); font-size: 18px; line-height: 30px; text-decoration: none; overflow-wrap: anywhere; }
.contact-grid p { color: var(--text-secondary); font-size: 14px; line-height: 22px; margin-top: var(--space-2); }
.footer { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-4); padding-block: var(--space-8); border-top: 1px solid var(--border-subtle); color: var(--text-secondary); font-size: 12px; line-height: 18px; }
.footer nav { gap: var(--space-4); }
.document { max-width: var(--text-width); padding-block: var(--section-space); }
.document h1 { margin-bottom: var(--space-6); }
.document h2 { font-size: 24px; line-height: 32px; margin: var(--space-12) 0 var(--space-4); }
.document p, .document li { color: var(--text-secondary); margin-bottom: var(--space-4); }
.document .lead { font-size: 18px; line-height: 30px; }
.document .updated, .document .effective-date { font-size: 12px; line-height: 18px; }
.document .product-icon { margin-bottom: var(--space-6); }
.document a { overflow-wrap: anywhere; }
.document .button.primary { color: var(--bg-primary); }
.document .button.secondary { color: var(--text-primary); }
.resource-list { list-style: none; padding: 0; }
.resource-list li { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-6); padding-block: var(--space-4); border-bottom: 1px solid var(--border-default); }
.resource-list strong { flex-basis: 100%; color: var(--text-primary); font-weight: 600; }
.resource-list a { min-height: var(--control-height); display: inline-flex; align-items: center; }
@media (min-width: 640px) {
  .capabilities, .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero h1 { font-size: 56px; line-height: 62px; }
}
@media (min-width: 768px) {
  :root { --section-space: var(--space-20); --page-gutter: var(--space-8); }
  body { line-height: 26px; }
  h1 { font-size: 44px; line-height: 52px; }
  h2 { font-size: 36px; line-height: 44px; }
  h3 { font-size: 28px; line-height: 36px; }
  .topbar { min-height: 96px; }
  .desktop-nav { display: flex; }
  .mobile-nav { display: none; }
  .brand img { width: 192px; }
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
  .card { padding: var(--space-6); }
  .card-top { align-items: flex-start; flex-direction: column; }
  .card h3 { font-size: 22px; line-height: 30px; }
  .section-header { grid-template-columns: 1fr 1fr; align-items: end; }
  .section-header > p { justify-self: end; }
  .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .email { font-size: 22px; }
  .footer { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 1024px) {
  :root { --section-space: var(--space-24); }
  .cards { gap: var(--space-6); }
  .card { padding: var(--space-8); }
  .card-top { align-items: center; flex-direction: row; }
  .card h3 { font-size: 28px; line-height: 36px; }
  .capabilities, .principles { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr 1.5fr; gap: var(--space-24); }
  .hero-motif { display: block; position: absolute; right: 0; top: var(--space-24); width: 144px; height: 144px; color: var(--motif-primary); }
}
@media (min-width: 1280px) { .hero { padding-block: var(--space-32); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .card:hover { transform: none; }
}

.founder span[lang] { display: inline; }

/* Production identity / brand reference. Theme 1 remains isolated. */
.covan-logo { display: inline-block; max-width: 100%; height: auto; vertical-align: middle; }
.brand .covan-logo { width: auto; height: 40px; }
.footer p { display: flex; align-items: center; gap: var(--space-3); }
.footer .covan-logo { opacity: .75; flex-shrink: 0; }
.brand-intro { max-width: var(--text-width); }
.brand-grid { display: grid; gap: var(--space-6); margin-block: var(--space-8); }
.brand-sample { margin: 0; padding: var(--space-6); border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--bg-secondary); min-width: 0; }
.brand-sample img { max-width: 100%; height: auto; display: block; }
.brand-art { min-height: 176px; display: flex; align-items: center; justify-content: center; padding-block: var(--space-4); }
.brand-sample figcaption { font-size: 14px; line-height: 22px; margin-top: var(--space-4); }
.brand-sample > a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
.brand-light { background: var(--light-bg-primary); color: var(--light-text-primary); border-color: var(--light-border); }
.brand-light a { color: var(--light-text-primary); }
.brand-light p { color: var(--light-text-primary); }
.brand-details { border: 1px solid var(--border-default); padding: var(--space-6); border-radius: var(--radius-lg); }
.brand-details summary { cursor: pointer; min-height: 44px; }
.brand-clearspace { padding: 36px; display: flex; justify-content: center; }
.brand-clearbox { outline: 1px dashed var(--accent); padding: 36px 0; position: relative; }
.brand-clearbox::before { content: '1x'; position: absolute; top: 4px; left: 50%; font-size: 12px; color: var(--text-secondary); }
.brand-lock-clear { outline: 1px dashed var(--accent); padding: 12px; }
.brand-size-row { display: flex; align-items: end; gap: var(--space-6); flex-wrap: wrap; }
.brand-size-row figure { margin: 0; min-width: 32px; }
.brand-size-row figcaption { margin-top: 8px; font-size: 12px; }
.brand-palette { display: grid; grid-template-columns: repeat(auto-fit,minmax(145px,1fr)); gap: var(--space-6); margin-block: var(--space-8); }
.brand-swatch { display: grid; gap: var(--space-2); font-size: 14px; }
.brand-swatch span { height: 64px; border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.brand-swatch-navy span { background: var(--bg-primary); }
.brand-swatch-white span { background: var(--text-primary); }
.brand-swatch-silver span { background: var(--text-secondary); }
.brand-swatch-aqua span { background: var(--accent); }
.brand-swatch-teal span { background: var(--accent-dark); }
.incorrect-stretch img { transform: scaleX(1.4); }
.incorrect-rotate img { transform: rotate(25deg); }
.incorrect-recolor img { filter: sepia(1) saturate(3) hue-rotate(110deg); }
.incorrect-shadow img { filter: drop-shadow(0 0 12px var(--accent)); }
.incorrect-contrast .brand-art { background: var(--text-secondary); border-radius: var(--radius-sm); }
.incorrect-small img { width: 12px; }
@media (min-width: 768px) { .brand-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .brand-grid-three { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 380px) { .brand-clearspace { padding: var(--space-3); } }
.brand picture { display: block; flex: none; }
@media (max-width: 359px) { .brand .covan-logo { width: 32px; height: 32px; } }