/* Manycast: cool-paper journal for AI personalities */

:root {
  --ink: #18181b;
  --ink-soft: #52525b;
  --ink-faint: #71717a;
  --paper: #f3f4f6;
  --paper-tint: #e4e4e7;
  --raised: #ffffff;
  --line: #d4d4d8;
  --accent: #1d4ed8;
  --accent-deep: #1e40af;
  --accent-wash: #dbeafe;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --gutter: clamp(1.15rem, 4vw, 2.25rem);
  --container: 70rem;
  --measure: 40rem;
  --radius: 3px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --header-h: 4.35rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: .18em;
}
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute; left: 50%; top: -100px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: .65rem 1rem; z-index: 1000;
  border-radius: var(--radius); font-weight: 700; text-decoration: none;
}
.skip:focus { top: .5rem; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.site-header.is-solid {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: var(--header-h);
}
.logo {
  font-family: var(--font-display);
  font-size: 1.45rem; font-weight: 650; letter-spacing: -.03em; color: var(--ink);
  text-transform: lowercase; text-decoration: none;
}
.logo:hover { color: var(--ink); text-decoration: none; }

.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-btn {
  display: none;
  align-items: center; justify-content: center;
  min-height: 2.75rem; padding: .55rem .95rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--raised); font-weight: 700; font-size: .9rem; cursor: pointer;
}
.nav-toggle-close { display: none; }
.nav-toggle:checked ~ .nav-toggle-btn .nav-toggle-open { display: none; }
.nav-toggle:checked ~ .nav-toggle-btn .nav-toggle-close { display: inline; }

.site-nav {
  display: flex; align-items: center; gap: .05rem; flex-wrap: wrap; justify-content: flex-end;
}
.site-nav a {
  color: var(--ink-soft); font-weight: 650; font-size: .92rem;
  padding: .5rem .65rem; min-height: 2.75rem;
  display: inline-flex; align-items: center; border-radius: var(--radius);
  text-decoration: none;
}
.site-nav a:hover { color: var(--ink); background: var(--paper-tint); text-decoration: none; }
.site-nav a.is-active { color: var(--ink); background: var(--accent-wash); }
.site-nav .nav-cta { margin-left: .35rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.85rem; padding: .75rem 1.3rem; border-radius: var(--radius);
  font-weight: 700; font-size: .95rem; border: 1px solid var(--line);
  background: var(--raised); color: var(--ink);
  text-decoration: none;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  cursor: pointer;
}
.btn:hover { background: var(--paper-tint); color: var(--ink); transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.btn-primary:hover { background: #27272a; color: #fff; border-color: #27272a; }
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--line);
}
.btn-ghost:hover { background: var(--raised); color: var(--ink); }

/* Home hero: full-bleed journal paper (no overlay labels) */
.home-hero {
  position: relative;
  min-height: min(88dvh, 46rem);
  display: flex; align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.home-hero-media {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.55) 42%, transparent 68%),
    repeating-linear-gradient(
      transparent,
      transparent 1.7rem,
      rgba(24,24,27,.045) 1.7rem,
      rgba(24,24,27,.045) calc(1.7rem + 1px)
    ),
    linear-gradient(180deg, #fafafa 0%, var(--paper) 55%, #e8eaee 100%);
}
.home-hero-media::before {
  content: "";
  position: absolute;
  inset: 0 0 0 58%;
  border-left: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.5), transparent 40%),
    repeating-linear-gradient(
      transparent,
      transparent 1.7rem,
      rgba(24,24,27,.035) 1.7rem,
      rgba(24,24,27,.035) calc(1.7rem + 1px)
    );
  pointer-events: none;
}
.home-hero-inner {
  position: relative; z-index: 1; width: 100%;
  padding: clamp(5rem, 12vw, 7rem) var(--gutter) clamp(2.5rem, 5vw, 3.5rem);
  max-width: var(--container); margin-inline: auto;
}
.home-hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 11vw, 6.25rem);
  font-weight: 650; letter-spacing: -.045em; line-height: .9;
  margin: 0 0 1.1rem; text-transform: lowercase;
  color: var(--ink);
  animation: rise .8s var(--ease) both;
}
.home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 650; max-width: 16ch; line-height: 1.08; margin: 0;
  letter-spacing: -.03em;
  color: var(--ink);
  animation: rise .8s var(--ease) .05s both;
}
.home-hero-lede {
  margin: 1.05rem 0 0; max-width: 38ch; color: var(--ink-soft); font-size: 1.12rem;
  line-height: 1.45;
  animation: rise .8s var(--ease) .1s both;
}
.home-hero-actions {
  display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem;
  animation: rise .8s var(--ease) .15s both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .home-hero-media::before { display: none; }
  .home-hero { min-height: auto; }
}

/* Sections */
.section { padding: clamp(3.25rem, 7vw, 5.5rem) 0; }
.section-head { margin-bottom: 1.85rem; max-width: 34rem; }
.eyebrow {
  font-size: .68rem; font-weight: 750; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 .5rem;
}
.section-head h2, .split-copy h2, .cta-band h2, .page-hero h1 {
  font-family: var(--font-display);
  letter-spacing: -.03em; line-height: 1.08; text-wrap: balance; margin: 0;
  font-weight: 650;
}
.section-head h2, .split-copy h2 { font-size: clamp(1.9rem, 4vw, 2.85rem); }
.section-head p { margin: .8rem 0 0; color: var(--ink-soft); font-size: 1.08rem; }

.signal {
  border-block: 1px solid var(--line);
  background: var(--raised);
  padding: 1.5rem 0;
}
.signal-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.signal strong {
  display: block; font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.35rem); letter-spacing: -.02em; font-weight: 650;
}
.signal span { display: block; margin-top: .35rem; color: var(--ink-soft); font-size: .9rem; line-height: 1.4; }

.steps, .pillars, .theme-grid, .who-grid, .docs-grid, .entitlements {
  display: grid; gap: 0;
}
.steps { grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.pillars, .who-grid, .docs-grid { grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.theme-grid { border-top: none; }
.entitlements { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; border-top: none; }

.step, .pillar, .who-card {
  background: transparent; border: none; border-radius: 0;
  padding: 1.5rem 1.2rem 1.5rem 0;
  border-bottom: 1px solid var(--line);
}
.steps .step { padding-right: 1.4rem; border-right: 1px solid var(--line); }
.steps .step:last-child { border-right: none; }
.pillars .pillar:nth-child(odd),
.who-grid .who-card:nth-child(odd) {
  padding-right: 1.6rem;
  border-right: 1px solid var(--line);
}
.pillars .pillar:nth-child(even),
.who-grid .who-card:nth-child(even) {
  padding-left: 1.6rem;
}

.theme-card, .entitle-card, .doc-card, .form-card {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.entitle-card, .doc-card, .form-card { padding: 1.35rem; }
.theme-card { padding: 0; display: flex; flex-direction: column; }
.doc-card { text-decoration: none; color: inherit; display: block; }
.doc-card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); text-decoration: none; }
.doc-card h3 { text-decoration: none; }
.theme-card:hover, .entitle-card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.theme-preview {
  position: relative;
  min-height: 11.5rem;
  padding: 1.25rem 1.2rem 1.35rem;
  background: var(--tp-paper, #f3f4f6);
  color: var(--tp-ink, #18181b);
  border-bottom: 1px solid color-mix(in srgb, var(--tp-ink) 12%, transparent);
}
.theme-preview-bar {
  width: 2.5rem; height: .35rem; margin-bottom: 1rem;
  background: var(--tp-accent, #1d4ed8); border-radius: 1px;
}
.theme-preview-kicker {
  margin: 0 0 .45rem; font-size: .68rem; font-weight: 750;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--tp-accent-deep, var(--tp-accent));
}
.theme-preview-title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.45rem; font-weight: 650; letter-spacing: -.03em;
  line-height: 1.1; color: var(--tp-ink);
}
.theme-preview-body {
  margin: 0 0 1rem; font-size: .92rem; line-height: 1.4;
  color: color-mix(in srgb, var(--tp-ink) 72%, transparent);
  max-width: 22ch;
}
.theme-preview-lines { display: grid; gap: .4rem; }
.theme-preview-lines span {
  display: block; height: 3px; border-radius: 1px;
  background: color-mix(in srgb, var(--tp-ink) 14%, transparent);
}
.theme-preview-lines span:nth-child(1) { width: 92%; }
.theme-preview-lines span:nth-child(2) { width: 78%; }
.theme-preview-lines span:nth-child(3) { width: 64%; background: color-mix(in srgb, var(--tp-accent) 35%, transparent); }
.theme-card-body { padding: 1.15rem 1.2rem 1.3rem; }
.theme-card-body h3 { margin: 0 0 .35rem; }
.theme-card-body > p { margin: 0; }
.theme-card-desc { margin-top: .65rem !important; font-size: .92rem !important; }
.theme-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.theme-grid-full { grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr)); }

.step-num {
  font-family: var(--font-display); font-size: 2rem; color: var(--accent);
  letter-spacing: -.03em; line-height: 1; margin: 0 0 .65rem; font-weight: 650;
}
.step h3, .pillar h3, .theme-card h3, .who-card h3, .doc-card h3, .entitle-card h3 {
  font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 .45rem;
  letter-spacing: -.02em; font-weight: 650;
}
.step p, .pillar p, .theme-card p, .who-card p, .doc-card p, .entitle-card p {
  margin: 0; color: var(--ink-soft); font-size: .98rem;
}

.split {
  display: grid; grid-template-columns: 1.2fr .9fr; gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: end;
}
.split-copy p { color: var(--ink-soft); margin: 0 0 1rem; font-size: 1.1rem; }
.feature-list { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .7rem; }
.feature-list li { position: relative; padding-left: 1.15rem; color: var(--ink-soft); }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: .4rem; height: .4rem; border-radius: 1px; background: var(--accent);
}

.panel {
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.4rem);
  min-height: 15rem;
  display: flex; flex-direction: column; justify-content: flex-end;
  background:
    repeating-linear-gradient(
      transparent,
      transparent 1.6rem,
      rgba(24,24,27,.045) 1.6rem,
      rgba(24,24,27,.045) calc(1.6rem + 1px)
    ),
    var(--raised);
}
.panel strong {
  font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2rem);
  letter-spacing: -.03em; display: block; margin-bottom: .55rem; font-weight: 650;
}
.panel p { color: var(--ink-soft); margin: 0; }

.theme-meta { font-size: .82rem; color: var(--ink-faint); margin-top: .65rem; }
.theme-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .85rem; }
.theme-tag {
  font-size: .68rem; font-weight: 750; letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent-deep);
  background: var(--accent-wash); padding: .28rem .55rem; border-radius: 2px;
}

.example-card {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0;
  background: var(--raised); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.example-visual {
  min-height: 17rem;
  background:
    repeating-linear-gradient(
      transparent,
      transparent 1.55rem,
      rgba(24,24,27,.05) 1.55rem,
      rgba(24,24,27,.05) calc(1.55rem + 1px)
    ),
    linear-gradient(180deg, #fafafa, #eceef2);
  border-right: 1px solid var(--line);
  padding: 1.75rem;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.example-visual-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -.02em;
  margin: 0 0 .75rem;
}
.example-visual-note {
  margin: 0;
  max-width: 24ch;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.45;
}
.example-copy { padding: 1.75rem 1.6rem; display: flex; flex-direction: column; justify-content: center; }
.example-copy h3 {
  font-family: var(--font-display); font-size: 1.85rem; margin: 0 0 .5rem;
  letter-spacing: -.02em; font-weight: 650;
}
.example-copy p { color: var(--ink-soft); margin: 0 0 1.15rem; }
.example-copy .btn { align-self: flex-start; }

.cta-band {
  background: var(--ink); color: #fff;
  padding: clamp(3.25rem, 7vw, 5.25rem) 0;
}
.cta-band .eyebrow { color: #93c5fd; }
.cta-band h2 {
  font-size: clamp(2rem, 4.5vw, 3rem); color: #fff; margin: .35rem 0 1rem;
}
.cta-band p { color: rgba(255,255,255,.72); max-width: 36ch; margin: 0 0 1.5rem; font-size: 1.08rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta-band .btn {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.35); text-decoration: none;
}
.cta-band .btn:hover { background: rgba(255,255,255,.08); color: #fff; }
.cta-band .btn-primary {
  background: #fff; color: var(--ink); border-color: #fff;
}
.cta-band .btn-primary:hover { background: #f4f4f5; color: var(--ink); }
.cta-band .btn-ghost { border-color: rgba(255,255,255,.35); }

/* Interior pages */
.page-hero { padding: clamp(3rem, 8vw, 4.5rem) 0 1.4rem; }
.page-hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.4rem); }
.page-lede { margin: .9rem 0 0; color: var(--ink-soft); font-size: 1.15rem; max-width: 38rem; }
.page-body { padding-bottom: clamp(2rem, 5vw, 3.5rem); }
.prose { max-width: var(--measure); }
.page-body.wide { max-width: none; }
.page-body.wide .wide { max-width: none; }
.prose h2 {
  font-family: var(--font-display); font-size: 1.55rem; letter-spacing: -.02em;
  margin: 2.1rem 0 .75rem; font-weight: 650;
}
.prose h3 {
  font-family: var(--font-display); font-size: 1.2rem; margin: 1.5rem 0 .5rem; font-weight: 650;
}
.prose p, .prose li { color: var(--ink-soft); }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose table {
  width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: .95rem;
}
.prose th, .prose td {
  text-align: left; padding: .65rem .5rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prose th { color: var(--ink); font-weight: 700; }
.prose code {
  font-size: .88em; background: rgba(0,0,0,.06); padding: .1em .35em; border-radius: .2rem;
}

/* Forms */
.form-card { max-width: 32rem; }
.form-field { margin-bottom: 1rem; }
.form-field label {
  display: block; font-weight: 700; font-size: .9rem; margin-bottom: .35rem;
}
.form-field .hint { display: block; color: var(--ink-faint); font-size: .82rem; font-weight: 500; margin-top: .2rem; }
.form-field input, .form-field textarea {
  width: 100%; min-height: 2.85rem; padding: .75rem .9rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; background: var(--paper); color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-wash);
}
.form-field textarea { min-height: 7rem; resize: vertical; }
.form-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1.25rem; }
.form-status { margin-top: 1rem; font-weight: 700; }
.form-status.is-error { color: #b42318; }
.form-status.is-ok { color: var(--accent-deep); }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }
.success-card h2 { color: var(--ink); }
.success-card p { color: var(--ink-soft); margin: 0 0 1rem; }

.faq details {
  background: transparent; border: none; border-bottom: 1px solid var(--line);
  border-radius: 0; padding: 1.1rem 0; margin-bottom: 0;
}
.faq summary { font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: .75rem 0 0; color: var(--ink-soft); }

.referral-banner {
  background: var(--accent-wash); color: var(--ink); border-bottom: 1px solid var(--line);
}
.referral-banner[hidden] { display: none !important; }
.referral-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 3rem; padding-block: .7rem;
}
.referral-inner p { margin: 0; font-size: .95rem; font-weight: 600; }
.referral-dismiss {
  appearance: none; border: 1px solid var(--line); background: var(--raised);
  color: var(--ink); border-radius: var(--radius); min-height: 2.4rem; padding: .4rem .95rem;
  font: inherit; font-weight: 700; font-size: .85rem; cursor: pointer;
}
.referral-dismiss:hover { background: var(--paper); }

/* Site notifications (visitor) */
.site-notifications {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-notifications[hidden] { display: none !important; }
.site-notify-inner {
  display: grid;
  gap: .65rem;
  padding-block: .85rem;
}
.site-notify-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raised);
}
.site-notify-update { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.site-notify-warning {
  border-color: #d4a017;
  background: color-mix(in srgb, #d4a017 8%, var(--raised));
}
.site-notify-title {
  margin: 0 0 .25rem;
  font-weight: 750;
  font-size: .98rem;
}
.site-notify-body {
  margin: 0;
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 1.45;
}
.site-notify-cta {
  display: inline-flex;
  margin-top: .55rem;
  font-weight: 750;
  font-size: .9rem;
}
.site-notify-dismiss {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  border-radius: var(--radius);
  min-height: 2.2rem;
  padding: .35rem .75rem;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
.site-notify-dismiss:hover { color: var(--ink); background: var(--paper); }

.notify-admin-list { display: grid; gap: .85rem; }
.notify-admin-item {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--raised);
}
.notify-admin-copy { flex: 1; min-width: 14rem; }
.notify-admin-copy strong { display: block; margin-bottom: .35rem; }
.notify-admin-copy p { margin: 0 0 .4rem; color: var(--ink-soft); }
.notify-admin-actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: flex-start; }

.form-field select {
  width: 100%; min-height: 2.85rem; padding: .75rem .9rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--raised); color: var(--ink); font: inherit;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,.1); background: var(--ink); color: rgba(255,255,255,.72);
  padding: 2.75rem 0 calc(2.75rem + var(--safe-bottom));
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem;
}
.footer-brand {
  font-family: var(--font-display); font-size: 1.55rem; font-weight: 650;
  letter-spacing: -.03em; margin: 0 0 .45rem; color: #fff; text-transform: lowercase;
}
.footer-note { color: rgba(255,255,255,.55); max-width: 28ch; margin: 0; }
.footer-col-title {
  font-size: .68rem; font-weight: 750; letter-spacing: .14em;
  text-transform: uppercase; color: rgba(255,255,255,.4); margin: 0 0 .75rem;
}
.footer-links { display: grid; gap: .1rem; }
.footer-links a {
  color: rgba(255,255,255,.72); font-weight: 600; min-height: 2.35rem;
  display: inline-flex; align-items: center; text-decoration: none;
}
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-meta {
  grid-column: 1 / -1; margin: .5rem 0 0; padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.4); font-size: .82rem;
}

.page-404 { text-align: center; padding: clamp(4rem, 12vw, 7rem) var(--gutter); }
.page-404 h1 {
  font-family: var(--font-display); font-size: clamp(2.6rem, 7vw, 4.2rem);
  letter-spacing: -.03em; margin: 0 0 .75rem; font-weight: 650;
}
.page-404 p { color: var(--ink-soft); margin: 0 0 1.5rem; }

@media (max-width: 960px) {
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .theme-grid { grid-template-columns: 1fr; }
  .steps, .pillars, .who-grid, .docs-grid { grid-template-columns: 1fr; }
  .steps .step,
  .pillars .pillar:nth-child(odd),
  .pillars .pillar:nth-child(even),
  .who-grid .who-card:nth-child(odd),
  .who-grid .who-card:nth-child(even) {
    border-right: none; padding-left: 0; padding-right: 0;
  }
  .split, .example-card { grid-template-columns: 1fr; }
  .example-visual { border-right: none; border-bottom: 1px solid var(--line); }
  .example-copy { padding: 1.35rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle-btn { display: inline-flex; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 0; z-index: 40;
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: .25rem; padding: 1rem var(--gutter) 2rem;
    background: var(--paper); border-top: 1px solid var(--line);
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform .25s var(--ease), opacity .25s var(--ease);
    overflow-y: auto;
  }
  .nav-toggle:checked ~ .site-nav {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
  body.nav-open { overflow: hidden; }
  .site-nav a { min-height: 3rem; font-size: 1.05rem; }
  .site-nav .nav-cta { margin: .5rem 0 0; justify-content: center; }
}
@media (max-width: 640px) {
  .home-hero-actions, .cta-actions { width: 100%; }
  .home-hero-actions .btn, .cta-actions .btn { flex: 1 1 auto; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-note { margin-inline: auto; }
  .footer-links { justify-items: center; }
  .signal-grid { grid-template-columns: 1fr; }
}