/* ==========================================================================
   Thinkpod Studios — stylesheet
   Dark editorial engineer-craft. Typography-first, hairline borders,
   single lime accent used with restraint.
   ========================================================================== */

/* ------------------------------------------------------------------ tokens */

:root {
  /* colour */
  --bg: #0E0D0B;
  --bg-raised: #14120F;
  --surface: #1A1815;
  --surface-hover: #211E1A;
  --text-1: #F4F1EC;
  --text-2: #A8A29A;
  --text-3: #8A8378; /* lightened from spec #6B655D to meet WCAG AA (>=4.5:1) */
  --accent: #C8F04A;
  --accent-hover: #D9F76E;
  --accent-ink: #10130A;
  --border: rgba(244, 241, 236, 0.08);
  --border-strong: rgba(244, 241, 236, 0.16);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
  --glow: radial-gradient(60% 50% at 50% 0%, rgba(200, 240, 74, 0.07), transparent 70%);

  /* type */
  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --fs-h1: clamp(2.75rem, 6.5vw, 5.5rem);
  --fs-h2: clamp(2rem, 4vw, 3.25rem);
  --fs-h3: 1.375rem;
  --fs-body: 1.0625rem;
  --fs-lead: 1.25rem;
  --fs-small: 0.8125rem;
  --fs-eyebrow: 0.75rem;

  /* rhythm */
  --container: 1200px;
  --pad-inline: clamp(20px, 5vw, 48px);
  --section-pad: clamp(96px, 12vw, 160px);
  --measure: 68ch;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  --radius-card: 16px;
  --radius-btn: 10px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------------------------------------------------------------------- base */

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* -------------------------------------------------------------------- type */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-1);
  margin: 0 0 var(--space-3);
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p { margin: 0 0 var(--space-3); }

a {
  color: var(--text-1);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color 150ms ease, color 150ms ease;
}
a:hover { text-decoration-color: var(--accent); }

ul, ol { padding-left: 1.4rem; margin: 0 0 var(--space-3); }
li { margin-bottom: var(--space-2); }

strong { color: var(--text-1); font-weight: 600; }

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-3);
}

.lede {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--text-2);
  max-width: 34rem;
}

.muted { color: var(--text-2); }

.small,
.mono-note {
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--text-3);
}

.mono-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.stat, .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ layout */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-inline);
}

.section {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--border);
}

.section--raised { background: var(--bg-raised); }

.section--flush { padding-block: var(--space-6); }

.section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}
.section-head h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.section-head h2 { max-width: 24ch; }
.section-head > p:last-child { margin-bottom: 0; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(var(--space-4), 4vw, var(--space-6));
}

@media (max-width: 56rem) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--space-6) 0;
}

/* --------------------------------------------------------------- skip link */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.6rem 1rem;
  font-weight: 600;
  z-index: 200;
  border-radius: 0 0 var(--radius-btn) 0;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

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

/* ------------------------------------------------------------------- brand */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-1);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }

.brand-mark { flex: none; display: block; color: var(--text-1); }
.brand-dot { fill: var(--accent); }

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text-1);
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
}

.brand-tier {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* monochrome footer variant */
.brand--footer .brand-mark,
.brand--footer .brand-word { color: var(--text-2); }
.brand--footer .brand-dot { fill: var(--text-2); }
.brand--footer .brand-word { font-size: 1.05rem; }

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 200ms ease, border-color 200ms ease,
              backdrop-filter 200ms ease;
}

.site-header.is-scrolled {
  background: rgba(14, 13, 11, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  height: 72px;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav li { margin: 0; }

.site-nav a {
  display: block;
  padding: 0.45rem 0.75rem;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 150ms ease;
}
.site-nav a:hover { color: var(--text-1); }

.site-nav a[aria-current="page"] { color: var(--text-1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  color: var(--text-1);
}
.nav-toggle svg { display: block; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 56rem) {
  .header-inner { height: 60px; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }

  .site-nav {
    display: none;
    position: fixed;
    inset: 0;
    top: 60px;
    background: var(--bg);
    padding: var(--space-5) var(--pad-inline);
    overflow-y: auto;
    z-index: 90;
  }
  .site-nav.is-open { display: block; }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-nav li { border-bottom: 1px solid var(--border); }
  .site-nav a {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.75rem, 7vw, 2.5rem);
    letter-spacing: -0.02em;
    line-height: 1.2;
    padding: 0.9rem 0;
    color: var(--text-1);
  }
  .site-nav a[aria-current="page"] { color: var(--accent); }

  .site-nav.is-open li {
    animation: nav-item-in 360ms var(--ease-out) both;
  }
  .site-nav.is-open li:nth-child(2) { animation-delay: 40ms; }
  .site-nav.is-open li:nth-child(3) { animation-delay: 80ms; }
  .site-nav.is-open li:nth-child(4) { animation-delay: 120ms; }
  .site-nav.is-open li:nth-child(5) { animation-delay: 160ms; }
  .site-nav.is-open li:nth-child(6) { animation-delay: 200ms; }

  body.nav-open { overflow: hidden; }
}

@keyframes nav-item-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* -------------------------------------------------------------------- hero */

.hero {
  position: relative;
  padding-block: clamp(96px, 12vw, 160px) 120px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 241, 236, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 236, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glow);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero h1 { max-width: 14ch; }

.hero .lede { margin-bottom: var(--space-5); }

.hero-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  margin: var(--space-4) 0 0;
}

/* mono tech / capability strip under hero */

.tech-row {
  border-top: 1px solid var(--border);
  padding-block: var(--space-4);
}
.tech-row ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
}
.tech-row li {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-1);
  opacity: 0.4;
  transition: opacity 150ms ease;
}
.tech-row li:hover { opacity: 0.7; }

/* ----------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  padding-inline: 24px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease,
              border-color 150ms ease, transform 150ms ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  height: 44px;
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-1);
}
.btn--ghost:hover { background: var(--surface); }

.btn--sm { height: 40px; padding-inline: 18px; font-size: 0.875rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.cta-note {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: var(--space-4);
}

/* ------------------------------------------------------------------- cards */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: border-color 200ms ease-out, background 200ms ease-out,
              transform 200ms ease-out;
}
.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.card .icon {
  width: 24px;
  height: 24px;
  display: block;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.card h3 { margin-bottom: var(--space-2); }
.card p { font-size: 0.9375rem; }
.card p:last-child { margin-bottom: 0; }

.card .eyebrow { margin-bottom: var(--space-2); }

.card-link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: var(--space-2);
}

/* ----------------------------------------------------------- process steps */

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.steps li {
  counter-increment: step;
  margin: 0;
  border-top: 1px solid var(--border-strong);
  padding-top: var(--space-4);
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-3);
}

.steps h3 { font-size: 1.0625rem; margin-bottom: var(--space-2); }
.steps p { font-size: 0.9375rem; color: var(--text-2); margin: 0; }

.steps--stacked {
  grid-template-columns: 1fr;
  max-width: var(--measure);
  gap: var(--space-5);
}
.steps--stacked h3 { font-size: var(--fs-h3); }
.steps--stacked p { font-size: var(--fs-body); }

@media (max-width: 62rem) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 36rem) { .steps { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------- service blocks */

.service-block {
  border-top: 1px solid var(--border);
  padding-block: var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(var(--space-4), 4vw, var(--space-6));
}
.service-block:last-of-type { border-bottom: 1px solid var(--border); }

.service-block .icon {
  width: 24px;
  height: 24px;
  display: block;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.service-block h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  max-width: 16ch;
}

@media (max-width: 56rem) { .service-block { grid-template-columns: 1fr; } }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
}
.tag-list li {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--text-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  transition: border-color 150ms ease, color 150ms ease;
}
.tag-list li:hover { border-color: var(--accent); color: var(--text-1); }

/* ----------------------------------------------------------------- callout */

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  max-width: var(--measure);
}
.callout p:last-child { margin-bottom: 0; }

.work-note { margin-bottom: var(--space-5); }

/* ---------------------------------------------------------------- CTA band */

.cta-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-raised);
  padding: clamp(var(--space-5), 6vw, var(--space-6)) var(--pad-inline);
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glow);
  pointer-events: none;
}
.cta-panel > * { position: relative; }
.cta-panel h2 { margin-bottom: var(--space-2); }
.cta-panel p {
  color: var(--text-2);
  max-width: 52ch;
  margin-inline: auto;
}
.cta-panel .btn-row { justify-content: center; margin-top: var(--space-4); }

/* ------------------------------------------------------------------ tables */

.table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-4);
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9375rem;
}
th, td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tr:last-child td { border-bottom: 0; }
th {
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border-strong);
}
td { color: var(--text-2); }
td strong { color: var(--text-1); }

/* ------------------------------------------------------------- legal prose */

.prose { max-width: var(--measure); }

.prose h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }

.prose h2 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.prose h3 {
  font-size: 1.0625rem;
  margin-top: var(--space-4);
}
.prose p, .prose li { color: var(--text-2); }
.prose a { color: var(--text-1); }

.doc-meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-small);
  color: var(--text-3);
  margin-bottom: var(--space-5);
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  margin-block: var(--space-5);
  max-width: var(--measure);
  box-shadow: var(--shadow-card);
}
.toc h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 var(--space-3);
}
.toc ol {
  margin: 0;
  padding-left: 1.6rem;
  columns: 2;
  column-gap: var(--space-5);
  font-variant-numeric: tabular-nums;
}
.toc li {
  font-size: 0.9375rem;
  break-inside: avoid;
  margin-bottom: 0.45rem;
}
.toc a {
  color: var(--text-2);
  text-decoration: none;
}
.toc a:hover { color: var(--text-1); text-decoration: underline; text-decoration-color: var(--accent); }
@media (max-width: 40rem) { .toc ol { columns: 1; } }

/* ------------------------------------------------------------------ footer */

.site-footer {
  background: #0A0908;
  border-top: 1px solid var(--border);
  padding-block: 80px 40px;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-5) var(--space-4);
  margin-bottom: var(--space-6);
}
@media (max-width: 56rem) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand-col { grid-column: 1 / -1; }
}
@media (max-width: 30rem) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-tagline {
  margin-top: var(--space-3);
  max-width: 34ch;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.footer-mail {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-2);
  text-decoration: none;
}
.footer-mail:hover { color: var(--text-1); }

.footer-heading {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 var(--space-3);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin: 0 0 var(--space-2); }
.footer-col a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 150ms ease;
}
.footer-col a:hover { color: var(--text-1); }

.footer-legal {
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3) var(--space-5);
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--text-3);
}
.footer-legal p { margin: 0 0 var(--space-2); }
.footer-legal p:last-child { margin-bottom: 0; }
.footer-legal a { color: var(--text-2); text-decoration: none; }
.footer-legal a:hover { color: var(--text-1); text-decoration: underline; }

.footer-legal-links { white-space: nowrap; }

@media (max-width: 48rem) {
  .footer-legal { flex-direction: column; }
  .footer-legal-links { white-space: normal; }
}

/* ----------------------------------------------------------------- contact */

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(32px, 4vw, 48px);
  max-width: 44rem;
  box-shadow: var(--shadow-card);
}
.contact-card h2 { font-size: 1.5rem; }
.contact-card .btn-row { margin-top: var(--space-4); }

.contact-line {
  font-family: var(--font-mono);
  font-size: 1rem;
}
.contact-line a { color: var(--text-1); }

dl.def-list { margin: 0 0 var(--space-3); }
dl.def-list dt {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  margin-top: var(--space-3);
}
dl.def-list dd {
  margin: var(--space-1) 0 0;
  color: var(--text-2);
}
dl.def-list dd a { color: var(--text-1); }

/* ----------------------------------------------------------- scroll reveal */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------- reduced motion */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .reveal { opacity: 1; transform: none; }
}