@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro&family=Source+Sans+3:wght@400;600;700&display=swap');

/* ── Contrast verification ───────────────────────────
   #231F20 on #ffffff: 16.3:1 — AAA ✓
   #F9423A on #ffffff:  3.58:1 — large/graphic only
   #F9423A on #231F20:  4.56:1 — AA ✓
   #595959 on #ffffff:  7.0:1  — AAA ✓
   #767676 on #ffffff:  4.5:1  — AA ✓ (footer only)
   No body text uses #F9423A anywhere.
   ──────────────────────────────────────────────────── */

:root {
  /* Dark: Vignelli warm black #231F20
     rgb(35,31,32) — 16.3:1 on white — AAA ✓ */
  --black:  #231F20;
  --ink:    #231F20;

  /* Accent: PMS Warm Red C #F9423A
     rgb(249,66,58) — 3.58:1 on white
     graphics and large display only, never body text */
  --accent: #F9423A;

  /* Accent for TEXT on light backgrounds: 5.04:1 on white,
     4.71:1 on --bg — AA. --accent itself stays graphics-only. */
  --accent-ink: #D42B20;

  /* Warm Red on warm black: 4.56:1 — AA ✓ */

  --muted:  #595959;
  --subtle: #6E6E6E;
  --line:   #e2e2e6;
  --bg:     #f7f7f8;
  --white:  #ffffff;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  background: var(--white);
  color: var(--ink);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: clip;
}

/* ── SKIP LINK ───────────────────────────────────── */

.skip-link {
  position: absolute;
  top: -48px;
  left: 0;
  z-index: 999;
  background: var(--ink);
  color: var(--white);
  padding: 8px 16px;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
}

/* ── HEADER ──────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  height: 56px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.site-header .logo {
  height: 24px;
  display: block;
}

/* ── HAMBURGER ───────────────────────────────────── */

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger span + span {
  margin-top: 4px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── MOBILE NAV ──────────────────────────────────── */

.mobile-nav {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  z-index: 99;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  padding: 12px 24px;
  min-height: 44px;
  line-height: 1.4;
}

.mobile-nav a:hover {
  background: var(--bg);
}

.mobile-nav a.active {
  font-weight: 600;
  color: var(--black);
  border-left: 2px solid var(--accent);
  padding-left: 22px;
}

/* Sub-navigation items (children of a parent nav entry, e.g.
   Use Made Mark → Use with AI / Generate a label). Always visible —
   the sidebar equivalent of a dropdown, no JS required. */
.mobile-nav .nav-sub {
  padding-left: 44px;
  font-size: 15px;
  color: var(--muted);
}

.mobile-nav .nav-sub.active {
  padding-left: 42px;
  color: var(--black);
}

/* ── PAGE LAYOUT ─────────────────────────────────── */

.page-layout {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
}

.content {
  max-width: 800px;
  padding: 0 40px;
  min-width: 0;
}

/* ── SIDEBAR NAV ─────────────────────────────────── */

.sidebar-nav {
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding-top: 32px;
}

.sidebar-nav a {
  display: block;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  padding: 8px 0 8px 16px;
}

.sidebar-nav a:hover {
  color: var(--black);
}

.sidebar-nav a.active {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  font-weight: 600;
  color: var(--black);
}

/* Sub-navigation items — indented children of a parent entry. */
.sidebar-nav .nav-sub {
  font-size: 13px;
  color: var(--muted);
  padding-left: 32px;
}

.sidebar-nav .nav-sub:hover {
  color: var(--black);
}

.sidebar-nav .nav-sub.active {
  padding-left: 30px;
  color: var(--black);
}

/* ── BREADCRUMB ──────────────────────────────────── */

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
  padding-top: 8px;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .sep {
  color: var(--subtle);
  margin: 0 8px;
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ── MARK TABS ───────────────────────────────────── */

.mark-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.mark-tabs::-webkit-scrollbar {
  display: none;
}

.mark-tab {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 12px 16px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mark-tab:hover {
  color: var(--black);
}

.mark-tab.active {
  border-bottom-color: var(--accent);
  font-weight: 600;
  color: var(--black);
}

/* ── TYPOGRAPHY ──────────────────────────────────── */

h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.1;
  margin-bottom: 16px;
}

h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 16px;
}

/* Proportionate to h1(40)/h2(26) at roughly the same ~0.65 step down;
   17px lands on body-copy size so h3 reads as a heading through weight
   and spacing, not sheer size. Normal tracking — no letter-spacing. */
h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  line-height: 1.3;
  margin-top: 20px;
  margin-bottom: 8px;
}

p {
  font-size: 17px;
  color: var(--ink);
  line-height: 1.7;
}

p + p {
  margin-top: 24px;
}

.caption {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.examples {
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 12px;
}

code {
  font-family: 'Source Code Pro', monospace;
  font-size: 13px;
}

/* ── SPACING ─────────────────────────────────────── */

.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}

.section:last-child {
  border-bottom: none;
}

.section > *:first-child {
  margin-top: 0;
}

.section-gap {
  margin-top: 64px;
}

/* ── HERO ────────────────────────────────────────── */

.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--line);
}

.hero-logo {
  height: 56px;
  display: block;
  margin-bottom: 24px;
}

.hero-tagline {
  font-size: 20px;
  color: var(--ink);
  max-width: 560px;
  line-height: 1.5;
  margin-bottom: 40px;
}

.hero-icons {
  display: flex;
  gap: 32px;
  align-items: center;
}

.hero-icon {
  width: 44px;
  height: 44px;
}

/* ── STATUS BADGE ────────────────────────────────── */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

.status-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── CALLOUT BOX ─────────────────────────────────── */

.callout-box {
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 8px;
  padding: 24px;
  margin-top: 24px;
}

.callout-box p {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.6;
}

/* ── CODE BLOCK (dark) ───────────────────────────── */

.code-block {
  background: #1e1e1e;
  color: #e8e8e8;
  border-radius: 8px;
  padding: 24px;
  font-family: 'Source Code Pro', monospace;
  font-size: 13px;
  position: relative;
  margin-top: 16px;
  line-height: 1.6;
  max-width: 100%;
}

.code-block pre {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  white-space: pre;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Prose snippets (e.g. custom-instruction text to paste into a settings
   box) are stored as one continuous string and soft-wrapped here, so the
   copy is clean running text — no hard line breaks baked into the paste.
   Code blocks keep white-space: pre above, where line breaks are meaningful. */
.code-block.is-prose {
  /* Reserve a top strip for the Copy button so it never overlaps the
     wrapped first line of prose (which fills the full width on narrow
     screens). The button itself is opaque; this keeps text out from under it. */
  padding-top: 52px;
}
.code-block.is-prose pre {
  white-space: pre-wrap;
  overflow-wrap: break-word;
  overflow-x: visible;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #2d2d2d;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  /* #e8e8e8 on #2d2d2d ≈ 11.4:1 — AAA ✓ */
  color: #e8e8e8;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  padding: 4px 8px;
  min-height: 32px;
  min-width: 44px;
  transition: background 0.15s;
}

.code-block .copy-btn:hover {
  background: #3d3d3d;
  border-color: var(--accent);
  color: #ffffff;
}

/* Success flash: border/icon pick up the accent; label text stays
   #e8e8e8/#fff (accent itself is graphics-only, never body text — see
   contrast note at top of file). */
.code-block .copy-btn.copied {
  border-color: var(--accent);
}

.code-block .copy-btn.copied .copy-icon {
  color: var(--accent);
}

.copy-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── INLINE CODE ─────────────────────────────────── */

.inline-code {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 8px;
  font-family: 'Source Code Pro', monospace;
  font-size: 14px;
  color: var(--ink);
}

/* ── LABEL DISPLAY ───────────────────────────────── */

.label-display {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: 'Source Code Pro', monospace;
  font-size: 15px;
  color: var(--ink);
  margin-top: 12px;
  margin-bottom: 16px;
}

.label-display .copy-btn {
  position: static;
  transform: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  /* #595959 on #ffffff ≈ 7:1 — AAA ✓ */
  color: var(--muted);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  padding: 4px 8px;
  min-height: 32px;
  transition: background 0.15s, color 0.15s;
}

.label-display .copy-btn:hover {
  background: var(--bg);
  /* #D42B20 on --bg ≈ 4.71:1 — AA ✓ */
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

.label-display .copy-btn.copied {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* ── COPY BLOCK ──────────────────────────────────── */

.copy-block {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Source Code Pro', monospace;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 16px;
  position: relative;
  margin-top: 12px;
}

.copy-block .copy-btn {
  position: static;
  transform: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  /* #595959 on #ffffff ≈ 7:1 — AAA ✓ */
  color: var(--muted);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  padding: 4px 8px;
  min-height: 32px;
  transition: background 0.15s, color 0.15s;
}

.copy-block .copy-btn:hover {
  background: var(--bg);
  /* #D42B20 on --bg ≈ 4.71:1 — AA ✓ */
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

.copy-block .copy-btn.copied {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* ── DOWNLOAD BUTTON ─────────────────────────────── */

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  padding: 8px 16px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  min-height: 40px;
}

.download-btn:hover {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
  background: var(--white);
}

.download-btn:active {
  background: var(--bg);
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* ── LICENSE ROWS ────────────────────────────────── */

.license-rows {
  margin-top: 24px;
}

.license-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.license-row:last-child {
  border-bottom: 1px solid var(--line);
}

.license-row-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
}

.license-row-desc {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.55;
  margin: 0;
}

/* Inline text link within body copy — underline signals "link" at rest
   (color alone isn't a sufficient indicator per WCAG 1.4.1); hover shifts
   to accent-ink, same AA-safe red used by download/copy button hovers. */
.text-link {
  color: var(--ink);
}

.text-link:hover {
  /* #D42B20 on #ffffff ≈ 5.04:1 — AA ✓ */
  color: var(--accent-ink);
}

/* ── MARK CARDS ──────────────────────────────────── */

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

.mark-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 24px;
  display: block;
}

a.mark-card {
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

a.mark-card:hover {
  background: var(--bg);
  border-color: var(--ink);
}

a.mark-card:active {
  border-color: var(--accent);
}

.mark-card img {
  width: 40px;
  height: 40px;
  display: block;
  margin-bottom: 16px;
}

.mark-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}

.mark-card-desc {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 16px;
}

.mark-card-uri {
  font-family: 'Source Code Pro', monospace;
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
}

/* ── CHOICE CARDS (/use-made-mark/ chooser) ──────── */
/* One card per way to use Made Mark. The grid auto-fills at a 280px
   minimum, so adding an option is just another <a class="choice-card">
   — no CSS changes until ~6 options, at which point group cards under
   audience headings (For creators / For developers), one .choice-grid
   per group. */

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.choice-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 24px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s, border-color 0.15s;
}

/* Hover/active only on link cards — planned-format cards are plain divs
   and must not invite clicks. */
a.choice-card:hover {
  background: var(--bg);
  border-color: var(--ink);
}

a.choice-card:active {
  border-color: var(--accent);
}

/* Recommended path: heavier border, padding trimmed 1px so interior
   content stays aligned with 1px-bordered siblings. */
.choice-card-primary {
  border: 2px solid var(--ink);
  padding: 31px 23px;
}

.choice-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 16px;
}

.choice-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Grey dot for statuses that shouldn't draw the eye (Planned). */
.choice-badge-muted::before {
  background: var(--subtle);
}

.choice-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 8px;
}

.choice-desc {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 16px;
}

.choice-meta {
  font-family: 'Source Code Pro', monospace;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 24px;
}

/* Button-styled closer; margin-top:auto pins it to the card bottom so
   CTAs align across cards of unequal content length. */
.choice-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  min-height: 44px;
}

a.choice-card:hover .choice-cta {
  /* #D42B20 on --bg ≈ 4.71:1 — AA ✓ */
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* Primary CTA is solid ink — the one filled element on the page.
   #ffffff on #231F20: 16.3:1 — AAA ✓ */
.choice-cta-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

a.choice-card:hover .choice-cta-primary {
  background: var(--black);
  border-color: var(--accent);
  color: var(--white);
}

/* ── NUMBERED CIRCLE ─────────────────────────────── */

.numbered-circle {
  width: 28px;
  height: 28px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── NUMBERED ROW ────────────────────────────────── */

.numbered-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.numbered-row:last-of-type {
  border-bottom: none;
}

/* ── STEP LIST ───────────────────────────────────── */
/* Semantic <ol> version of numbered-row for sequential
   instructions — screen readers announce item count and
   position; the visible circles are aria-hidden. Keep
   role="list" on the <ol>: list-style:none strips list
   semantics in Safari/VoiceOver without it. */

.step-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.step-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.step-list li:last-child {
  border-bottom: none;
}

/* ── DIVIDER ─────────────────────────────────────── */

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* ── HAIRLINE ROW ────────────────────────────────── */

.hairline-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.hairline-row:first-of-type {
  border-top: 1px solid var(--line);
}

.hairline-row p {
  font-size: 17px;
}

.hairline-row p + p {
  margin-top: 4px;
}

/* ── PILL TAG ────────────────────────────────────── */

.pill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 16px;
}

.pill-tag {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--ink);
  display: inline-block;
}

/* ── MARK ICONS ──────────────────────────────────── */

.mark-icon {
  width: 40px;
  height: 40px;
  display: block;
}

.mark-icon-lg {
  width: 48px;
  height: 48px;
  display: block;
}

.mark-icon-xl {
  width: 64px;
  height: 64px;
  display: block;
}

/* ── MARK GRID (legacy) ──────────────────────────── */

.mark-grid {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.mark-grid-item {
  text-align: left;
}

.mark-grid-item p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

.download-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  align-items: center;
}

/* ── LOGO PREVIEW ────────────────────────────────── */

.logo-preview {
  display: flex;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 24px;
}

.logo-preview-light {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-right: none;
  border-radius: 8px 0 0 8px;
}

.logo-preview-dark {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--black);
  border-radius: 0 8px 8px 0;
}

/* ── CANONICAL URI ───────────────────────────────── */

.canonical-uri {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.canonical-uri .caption {
  flex-shrink: 0;
}

.canonical-uri .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  /* #595959 on #ffffff ≈ 7:1 — AAA ✓ */
  color: var(--muted);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  padding: 4px 8px;
  min-height: 32px;
  transition: background 0.15s, color 0.15s;
}

.canonical-uri .copy-btn:hover {
  background: var(--bg);
  /* #D42B20 on --bg ≈ 4.71:1 — AA ✓ */
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

.canonical-uri .copy-btn.copied {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* ── FIELD ROWS ──────────────────────────────────── */

.field-rows {
  margin-top: 16px;
}

.field-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  align-items: center;
}

.field-row:last-child {
  border-bottom: 1px solid var(--line);
}

.field-row .inline-code {
  font-size: 14px;
}

.field-row-role {
  font-size: 14px;
  color: var(--muted);
}

/* ── GENERATOR ───────────────────────────────────── */

.gen-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.gen-card {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  background: var(--white);
  transition: border-color 0.15s, background 0.15s;
  text-align: left;
  width: 100%;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  min-height: 44px;
}

.gen-card:hover {
  background: var(--bg);
  border-color: var(--ink);
}

.gen-card:active {
  border-color: var(--accent);
}

.gen-card.selected {
  border: 2px solid var(--accent);
  background: var(--bg);
  padding: 15px;
}

.gen-card img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.gen-card-text strong {
  display: block;
  font-size: 16px;
  color: var(--black);
  margin-bottom: 4px;
}

.gen-card-text span {
  font-size: 14px;
  color: var(--ink);
}

.gen-inputs {
  margin-top: 24px;
}

.gen-input-group {
  margin-bottom: 12px;
}

.gen-input-group label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.gen-input-group input {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  color: var(--ink);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  background: var(--white);
  min-height: 44px;
}

.gen-input-group input:focus-visible {
  border-color: var(--accent);
}

.gen-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  margin-top: 32px;
  overflow-x: auto;
  white-space: nowrap;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.gen-tabs::-webkit-scrollbar {
  display: none;
}

.gen-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  white-space: nowrap;
  min-height: 44px;
}

.gen-tab.active {
  border-bottom-color: var(--accent);
  color: var(--ink);
  font-weight: 600;
}

.gen-panel {
  display: none;
  padding-top: 16px;
}

.gen-panel.active {
  display: block;
}

.gen-placeholder {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  padding: 32px;
}

.gen-plain-label {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.gen-plain-label .caption {
  margin-bottom: 8px;
}

/* ── USAGE NOTES ─────────────────────────────────── */

.usage-notes {
  margin-top: 16px;
}

.usage-notes .hairline-row p {
  font-size: 14px;
  color: var(--muted);
}

/* ── CONTACT ROWS ────────────────────────────────── */

.contact-row {
  margin-bottom: 12px;
}

.contact-row strong {
  font-size: 14px;
  color: var(--black);
}

.contact-row span,
.contact-row a {
  font-size: 14px;
  color: var(--muted);
}

.contact-row a:hover {
  /* #D42B20 on #ffffff ≈ 5.04:1 — AA ✓ */
  color: var(--accent-ink);
}

/* ── FOOTER ──────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.site-footer p {
  font-size: 13px;
  color: var(--subtle);
  line-height: 1.6;
}

.site-footer p + p {
  margin-top: 4px;
}

/* ── FOOTER ATTRIBUTION ──────────────────────────── */

.footer-mark {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.mm-attribution {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}

.mm-attribution:hover {
  color: var(--black);
}

.mm-attribution img {
  display: block;
  flex: none;
}

/* ── EYEBROW LABEL ───────────────────────────────── */

.eyebrow {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  margin-top: 24px;
}

/* ── ICON SWATCH ─────────────────────────────────── */

.icon-swatch {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 12px;
}

/* ── ICON GRID ───────────────────────────────────── */

.icon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.icon-grid-2col {
  grid-template-columns: repeat(2, 1fr);
}

.icon-grid-item {
  text-align: left;
}

.icon-grid-item .icon-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 8px;
}

/* ── SIZE LINKS (PNG downloads) ──────────────────── */

.size-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.size-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}

.size-link:hover {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}

/* ── FULL-WIDTH PACK BUTTON ──────────────────────── */

.btn-pack {
  display: block;
  width: 100%;
  background: var(--bg);
  color: var(--black);
  padding: 16px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  border: 2px solid var(--line);
  cursor: pointer;
  margin-top: 24px;
}

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

/* ── COLOPHON ROW ────────────────────────────────── */

.colophon-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.colophon-row:last-of-type {
  border-bottom: 1px solid var(--line);
}

.colophon-badge .mm-attribution {
  font-size: 14px;
}

.colophon-badge .mm-attribution img {
  width: 24px;
  height: 24px;
}

.colophon-content strong {
  display: block;
  font-size: 15px;
  color: var(--black);
  margin-bottom: 4px;
}

.colophon-content p {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.55;
}

/* ── SOCIAL LINKS ────────────────────────────────── */

.social-links {
  display: flex;
  gap: 24px;
  margin-top: 16px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.social-links a:hover {
  color: var(--black);
}

.social-links svg {
  flex-shrink: 0;
}

/* ── SCREEN READER ONLY ──────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── ERROR MESSAGE ───────────────────────────────── */

.error-msg {
  font-size: 14px;
  color: var(--ink);
  margin-top: 12px;
  padding: 8px 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 4px;
}

/* ── ARIA LIVE (copy feedback) ───────────────────── */

.copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── FOCUS VISIBLE ───────────────────────────────── */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── DESKTOP (1024px+) ───────────────────────────── */

@media (min-width: 1024px) {
  .header-inner {
    padding: 0 40px 0 260px;
  }
}

/* ── TABLET (600 – 1023px) ───────────────────────── */

@media (max-width: 1023px) {
  .page-layout {
    display: block;
  }

  .sidebar-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .content {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .header-inner {
    padding: 0 32px;
  }

  .site-footer {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 32px;
  }

  h1 { font-size: 34px; }
  h2 { font-size: 22px; }
  p  { font-size: 16px; }

  .section {
    padding: 48px 0;
  }

  .hero {
    padding: 48px 0;
  }

  .mark-cards {
    grid-template-columns: 1fr;
  }

  .icon-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .colophon-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ── MOBILE (< 600px) ───────────────────────────── */

@media (max-width: 599px) {
  body {
    font-size: 16px;
  }

  .header-inner {
    padding: 0 20px;
  }

  .content {
    padding: 0 20px;
  }

  .site-footer {
    padding: 32px 20px;
  }

  h1 { font-size: 28px; }
  h2 { font-size: 20px; }

  .section {
    padding: 36px 0;
  }

  .hero {
    padding: 48px 0 36px;
  }

  .hero-logo {
    height: 40px;
  }

  .hero-icons {
    gap: 24px;
  }

  .callout-box {
    padding: 24px;
  }

  .divider {
    margin: 24px 0;
  }

  .mark-card {
    padding: 24px;
  }

  .choice-card {
    padding: 24px;
  }

  .choice-card-primary {
    padding: 23px;
  }

  .section-gap {
    margin-top: 40px;
  }

  .license-row {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .code-block {
    padding: 16px;
  }

  .pill-tags {
    flex-direction: column;
  }

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

  .download-btn {
    min-height: 44px;
  }

  .code-block .copy-btn,
  .copy-block .copy-btn,
  .label-display .copy-btn,
  .canonical-uri .copy-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 8px 12px;
  }

  .mobile-nav a {
    padding: 12px 20px;
  }

  .logo-preview {
    flex-direction: column;
  }

  .logo-preview-light {
    border-right: 1px solid var(--line);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
  }

  .logo-preview-dark {
    border-radius: 0 0 8px 8px;
  }
}

/* ── REDUCED MOTION ──────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}