@import "./singularity-tokens.css";

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-latin-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-latin-500.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/inter-latin-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-latin-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: var(--text-body);
  font-family: var(--font-ui);
  color: var(--color-text-secondary);
  background-color: var(--color-canvas);
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 78%);
}

body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 42% at 50% -8%, rgba(31, 95, 175, 0.10), transparent 58%),
    radial-gradient(circle 280px at 12% 18%, rgba(47, 168, 200, 0.05), transparent 70%);
}

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

a {
  color: var(--color-brand-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible,
.btn:focus-visible,
.site-nav a:focus-visible {
  outline: 2px solid var(--color-brand-cyan);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: var(--space-lg);
  top: -40px;
  z-index: 20;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
}

.skip-link:focus {
  top: var(--space-sm);
}

.wrap {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-primary);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  display: block;
}

.brand-name {
  font: var(--text-h2);
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  gap: var(--space-xs);
}

.site-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font: var(--text-label);
  padding: 9px 16px;
  border-radius: var(--radius-control);
  border: 1px solid transparent;
}

.site-nav a:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-raised);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--color-on-accent);
  background: var(--color-brand-cyan);
  font-weight: 600;
}

main {
  position: relative;
  z-index: 1;
  flex: 1;
}

.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.mark-frame {
  position: relative;
  width: 160px;
  height: 160px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.mark-frame::before,
.mark-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mark-frame::before {
  border: 1px solid var(--color-border);
  border-radius: 50%;
  opacity: 0.9;
}

.mark-frame::after {
  background:
    linear-gradient(var(--color-border), var(--color-border)) center / 100% 1px no-repeat,
    linear-gradient(var(--color-border), var(--color-border)) center / 1px 100% no-repeat;
  opacity: 0.55;
  mask-image: radial-gradient(circle, transparent 42%, black 43%);
}

.mark-frame img {
  width: 96px;
  height: 96px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 var(--space-sm);
  font: var(--text-eyebrow);
  color: var(--color-brand-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1,
.page-hero h1,
.error-page h1 {
  margin: 0 0 var(--space-md);
  font: var(--text-display);
  color: var(--color-text-primary);
}

.hero h1 {
  max-width: 18ch;
}

.lede {
  margin: 0 0 var(--space-xl);
  max-width: 52ch;
  font: 400 15px/22px var(--font-ui);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-xl);
  font: var(--text-mono);
  color: var(--color-text-muted);
}

.meta-row dt {
  font: var(--text-eyebrow);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 2px;
}

.meta-row dd {
  margin: 0;
  color: var(--color-text-secondary);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

.product-section {
  padding-bottom: var(--space-3xl);
}

.product-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-xl);
}

.product {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.product-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  display: block;
}

.product h2 {
  margin: 0;
  font: var(--text-h2);
  color: var(--color-text-primary);
}

.product p {
  margin: 0;
  max-width: 24ch;
  font: 400 13px/18px var(--font-ui);
  color: var(--color-text-secondary);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  color: inherit;
  text-decoration: none;
  min-height: 168px;
}

.card:hover {
  background: var(--color-surface-raised);
  text-decoration: none;
}

.card h2 {
  margin: 0;
  font: var(--text-h1);
  color: var(--color-text-primary);
}

.card p {
  margin: 0;
  flex: 1;
}

.card-action {
  font: var(--text-label);
  color: var(--color-brand-cyan);
  font-weight: 600;
}

.page-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-hero h1 {
  max-width: none;
}

.doc-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
  padding-bottom: var(--space-3xl);
}

.toc {
  position: sticky;
  top: 88px;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.toc .eyebrow {
  color: var(--color-text-muted);
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.toc a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font: var(--text-label);
  padding: 6px 8px;
  border-radius: var(--radius-badge);
  border-left: 2px solid transparent;
}

.toc a:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-raised);
}

.doc {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.doc > header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.doc > header h2 {
  margin: 0 0 var(--space-sm);
  font: var(--text-h1);
  color: var(--color-text-primary);
}

.doc section + section {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.doc h2 {
  margin: 0 0 var(--space-md);
  font: var(--text-h1);
  color: var(--color-text-primary);
}

.doc h3 {
  margin: var(--space-lg) 0 var(--space-sm);
  font: var(--text-h2);
  color: var(--color-text-primary);
}

.doc p,
.doc li {
  font: 400 15px/24px var(--font-ui);
}

.doc p {
  margin: 0 0 var(--space-md);
}

.doc p:last-child,
.doc ul:last-child {
  margin-bottom: 0;
}

.doc ul {
  margin: 0 0 var(--space-md);
  padding-left: 1.15rem;
}

.doc li + li {
  margin-top: var(--space-sm);
}

.doc .mono,
address {
  font: var(--text-mono);
  font-style: normal;
}

.contact-block {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
}

.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.site-footer p {
  margin: 0 0 var(--space-sm);
}

.site-footer p:last-child {
  margin-bottom: 0;
}

.notice {
  max-width: 52ch;
}

.error-page {
  text-align: left;
  padding: var(--space-3xl) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: var(--radius-control);
  border: 1px solid var(--color-border);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  font: 600 13px/1 var(--font-ui);
  text-decoration: none;
}

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

.btn-primary {
  background: var(--color-signal-green);
  border-color: var(--color-signal-green);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-green-dim);
  border-color: var(--color-green-dim);
}

@media (max-width: 860px) {
  .hero,
  .doc-layout,
  .card-grid,
  .site-footer .wrap {
    grid-template-columns: 1fr;
    display: grid;
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product:last-child {
    grid-column: 1 / -1;
    width: 100%;
    max-width: calc((100% - var(--space-xl)) / 2);
    justify-self: center;
  }

  .hero {
    justify-items: start;
  }

  .toc {
    position: static;
  }

  .site-header .wrap {
    min-height: 56px;
  }

}

@media (max-width: 560px) {
  .wrap {
    width: min(1120px, calc(100% - 32px));
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product:last-child {
    max-width: none;
  }

  .site-nav a {
    padding: 9px 12px;
  }

  .mark-frame {
    width: 120px;
    height: 120px;
  }

  .mark-frame img {
    width: 72px;
    height: 72px;
  }
}

@media print {
  body,
  .doc,
  .site-footer,
  .site-header {
    background: #fff;
    color: #16202b;
  }

  body::before,
  body::after,
  .site-nav,
  .toc,
  .skip-link,
  .mark-frame::before,
  .mark-frame::after {
    display: none;
  }

  a {
    color: inherit;
    text-decoration: underline;
  }

  .doc,
  .card,
  .contact-block {
    border-color: #d5dee8;
    background: #fff;
  }
}