/* ==========================================================================
   AI Automation Collective — core stylesheet
   Plain CSS3. No build step. Mobile-first.
   Sections: 1 Tokens · 2 Reset · 3 Typography · 4 Layout · 5 Header
             6 Buttons · 7 Hero · 8 Cards/Panels · 9 Sections · 10 Forms
             11 Blog · 12 Footer · 13 Motion · 14 Utilities
   ========================================================================== */

/* 1 ── Tokens ───────────────────────────────────────────────────────────── */
:root {
  /* Surface */
  --ink:          #0a0c0f;
  --ink-raised:   #0f1216;
  --surface:      #14171c;
  --surface-2:    #191d23;

  /* Line */
  --line:         rgba(255, 255, 255, 0.09);
  --line-strong:  rgba(255, 255, 255, 0.16);

  /* Text */
  --text:         #f0f2f4;
  --text-dim:     #99a3ad;
  --text-faint:   #6b747d;

  /* Accent — signal blue */
  --accent:       #5479ff;
  --accent-hi:    #7d99ff;
  --accent-deep:  #3966ff;
  --accent-wash:  rgba(84, 121, 255, 0.12);
  --accent-edge:  rgba(84, 121, 255, 0.32);
  --positive:     #5fd0a3;

  /* Type */
  --font: "Figtree", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Space */
  --gutter: 20px;
  --max:    1180px;
  --max-narrow: 760px;

  /* Radius */
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 16px;
  --r-btn: 10px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 768px) { :root { --gutter: 32px; } }
@media (min-width: 1100px) { :root { --gutter: 48px; } }

/* 2 ── Reset ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* No overflow-x here on purpose. Setting only one axis on body forces the
     browser to compute the other as "auto" (CSS Overflow §3), which makes
     body its own scroll/clip container instead of a plain box — and that
     silently breaks position:sticky for every descendant (the header, the
     scroll-pinned demo scene), since sticky elements no longer resolve
     against the viewport the way they're meant to. html's overflow-x:clip
     above already contains the horizontal bleed from the ambient gradient
     glows; that's the only containment this page needs. */
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

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

:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* 3 ── Typography ──────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5.6vw, 3.55rem); }
h2 { font-size: clamp(1.85rem, 4.6vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); letter-spacing: -0.02em; line-height: 1.25; }
h4 { font-size: 1rem; letter-spacing: -0.01em; font-weight: 600; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: clamp(1.03rem, 1.9vw, 1.2rem);
  line-height: 1.62;
  color: var(--text-dim);
  max-width: 60ch;
  text-wrap: pretty;
}

.mark {
  position: relative;
  white-space: nowrap;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.accent { color: var(--accent-hi); }

/* Eyebrow: small, letterspaced, dotted */
.eyebrow {
  display: block;
  margin: 0 0 22px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}

.mono {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--text-faint);
}

/* 4 ── Layout ──────────────────────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--max-narrow); }

.section { padding-block: clamp(64px, 11vw, 128px); position: relative; }
.section--tight { padding-block: clamp(48px, 7vw, 80px); }
.section--edge { border-top: 1px solid var(--line); }

.section-head { max-width: 62ch; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head p { margin-top: 18px; }

.grid { display: grid; gap: 18px; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (min-width: 900px) {
  .grid--split { grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 84px); align-items: start; }
}

/* 5 ── Header ──────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: 14px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(10, 12, 15, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.97rem;
  letter-spacing: -0.02em;
  flex: none;
}
.brand-mark { width: 26px; height: 26px; flex: none; }
.brand-name { display: none; }
@media (min-width: 420px) { .brand-name { display: inline; } }
.brand-name span { color: var(--text-faint); font-weight: 400; }

.nav-links {
  display: none;
  align-items: center;
  gap: 6px;
}
@media (min-width: 900px) { .nav-links { display: flex; } }

.nav-links a {
  display: block;
  padding: 8px 15px;
  border-radius: var(--r-btn);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.09); }
.nav-links a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, 0.12); }

.nav-end { display: flex; align-items: center; gap: 10px; flex: none; }
.nav-end .btn { display: none; }
@media (min-width: 900px) { .nav-end .btn { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  background: rgba(255, 255, 255, 0.025);
  cursor: pointer;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  padding: 10px var(--gutter) 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 15, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.mobile-menu.is-open { display: block; }
@media (min-width: 900px) { .mobile-menu.is-open { display: none; } }
.mobile-menu a {
  display: block;
  padding: 13px 4px;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
}
.mobile-menu a:last-of-type { border-bottom: 0; }
.mobile-menu a[aria-current="page"] { color: var(--text); }
.mobile-menu .btn { margin-top: 16px; width: 100%; justify-content: center; }

/* 6 ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--r-btn);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), background 0.2s var(--ease),
              border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--text);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}
.btn--primary:hover { background: #fff; box-shadow: 0 6px 22px rgba(255, 255, 255, 0.12); }

.btn--accent { background: var(--accent-deep); color: #fff; }
.btn--accent:hover { background: var(--accent); box-shadow: 0 6px 24px rgba(84, 121, 255, 0.34); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.28); }

.btn--sm { padding: 9px 15px; font-size: 0.82rem; }
.btn--lg { padding: 14px 26px; font-size: 0.95rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* Arrow link */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-hi);
  transition: gap 0.2s var(--ease);
}
.arrow-link::after { content: "→"; transition: transform 0.2s var(--ease); }
.arrow-link:hover { gap: 11px; }
.arrow-link:hover::after { transform: translateX(2px); }

/* 7 ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: clamp(56px, 10vw, 104px) clamp(56px, 9vw, 96px);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% 0 auto;
  height: 720px;
  z-index: -1;
  background:
    radial-gradient(72% 56% at 50% 32%, rgba(84, 121, 255, 0.17), transparent 70%),
    radial-gradient(52% 46% at 88% 10%, rgba(95, 208, 163, 0.07), transparent 72%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 58% at 50% 34%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 58% at 50% 34%, #000 10%, transparent 78%);
  pointer-events: none;
}
.hero h1 { margin-bottom: 26px; }
.hero .lede { max-width: 56ch; }

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.pulse {
  width: 7px; height: 7px; flex: none;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 0 0 rgba(95, 208, 163, 0.5);
  animation: pulse 2.6s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(95, 208, 163, 0.45); }
  70%  { box-shadow: 0 0 0 9px rgba(95, 208, 163, 0); }
  100% { box-shadow: 0 0 0 0 rgba(95, 208, 163, 0); }
}

/* Credential strip */
.cred-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  margin-top: clamp(44px, 6vw, 68px);
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.cred-strip .label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
  width: 100%;
}
@media (min-width: 720px) { .cred-strip .label { width: auto; } }
.cred-strip li {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: -0.01em;
}

/* 8 ── Cards & panels ──────────────────────────────────────────────────── */
.card {
  position: relative;
  padding: clamp(22px, 3.2vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.038), rgba(255, 255, 255, 0.012));
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
}
a.card:hover, .card--hover:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.018));
}
.card { display: flex; flex-direction: column; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--text-dim); font-size: 0.97rem; }
/* Pin the call-to-action to the bottom so a row of cards lines up. */
.card .arrow-link { margin-top: auto; padding-top: 20px; align-self: flex-start; }

.card-index {
  display: block;
  align-self: flex-start;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent-hi);
}

.card-icon {
  display: grid;
  align-self: flex-start;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border: 1px solid var(--accent-edge);
  border-radius: 12px;
  background: var(--accent-wash);
  color: var(--accent-hi);
}
.card-icon svg { width: 21px; height: 21px; }

.panel {
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-raised);
}

/* Bordered list of deliverables */
.spec-list { margin-top: 24px; border-top: 1px solid var(--line); }
.spec-list li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  color: var(--text-dim);
}
.spec-list li::before {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border-radius: 4px;
  border: 1px solid var(--accent-edge);
  background: var(--accent-wash);
}
.spec-list strong { color: var(--text); font-weight: 600; }

/* Numbered process steps */
.steps { counter-reset: step; display: grid; gap: 2px; }
.step {
  display: grid;
  gap: 6px 22px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 760px) { .step { grid-template-columns: 116px 1fr; } }
.step:last-child { border-bottom: 1px solid var(--line); }
.step-num {
  counter-increment: step;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  padding-top: 4px;
}
.step-num::before { content: "0" counter(step) " / "; color: var(--accent-hi); }
.step h3 { margin-bottom: 10px; }
.step p { color: var(--text-dim); max-width: 64ch; }

/* Stats */
.stats { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(3, 1fr); } }
.stat { padding: clamp(24px, 3.4vw, 32px); background: var(--ink-raised); }
.stat-figure {
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label { font-size: 0.9rem; color: var(--text-dim); }

/* Quote */
.quote {
  margin: 0;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  background: var(--ink-raised);
}
.quote p {
  font-size: clamp(1.1rem, 2.3vw, 1.45rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}
.quote footer { margin-top: 18px; font-size: 0.88rem; color: var(--text-faint); }

/* CTA band */
.cta-band {
  position: relative;
  padding: clamp(36px, 6vw, 72px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 150% at 12% 0%, rgba(84, 121, 255, 0.18), transparent 62%),
    var(--ink-raised);
  overflow: hidden;
}
.cta-band h2 { margin-bottom: 18px; max-width: 18ch; }
.cta-band .lede { max-width: 52ch; }

/* 9 ── Page header (inner pages) ───────────────────────────────────────── */
.page-head {
  position: relative;
  padding-block: clamp(48px, 7.5vw, 92px) clamp(36px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}
.page-head::before {
  content: "";
  position: absolute;
  inset: -40% 0 auto;
  height: 520px;
  z-index: -1;
  background: radial-gradient(56% 50% at 26% 40%, rgba(84, 121, 255, 0.13), transparent 70%);
  pointer-events: none;
}
.page-head h1 { max-width: 16ch; margin-bottom: 22px; }

/* 10 ── Forms ──────────────────────────────────────────────────────────── */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text-dim);
}
.field label .req { color: var(--accent-hi); }

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  font-size: 0.97rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
  appearance: none;
}
.field textarea { min-height: 148px; resize: vertical; line-height: 1.55; }
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%2399a3ad' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 42px;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--text-faint); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(84, 121, 255, 0.05);
  box-shadow: 0 0 0 3px var(--accent-wash);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: #e5484d; }
.field-error { font-size: 0.8rem; color: #ff8e91; min-height: 0; }

@media (min-width: 640px) { .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; } }

/* Honeypot — hidden from humans, visible to naive bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
  opacity: 0;
}

.form-note { font-size: 0.83rem; color: var(--text-faint); }

.alert {
  padding: 14px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  font-size: 0.92rem;
}
.alert--ok { border-color: rgba(95, 208, 163, 0.4); background: rgba(95, 208, 163, 0.08); color: #b8ecd6; }
.alert--bad { border-color: rgba(229, 72, 77, 0.4); background: rgba(229, 72, 77, 0.08); color: #ffb4b6; }

/* Newsletter inline form */
.inline-form { display: grid; gap: 10px; margin-top: 20px; }
@media (min-width: 520px) { .inline-form { grid-template-columns: 1fr auto; align-items: start; } }

/* Contact meta list */
.meta-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  color: var(--text-dim);
}
.meta-list li:first-child { border-top: 1px solid var(--line); }
.meta-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 11 ── Blog ───────────────────────────────────────────────────────────── */
.post-list { display: grid; gap: 18px; }
@media (min-width: 840px) { .post-list { grid-template-columns: repeat(3, 1fr); } }

.post-card { display: flex; flex-direction: column; padding: 0; }
.post-card .post-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.post-card-body { padding: clamp(20px, 3vw, 26px); display: flex; flex-direction: column; flex: 1; }
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-transform: uppercase;
}
.post-meta .tag {
  padding: 3px 9px;
  border: 1px solid var(--accent-edge);
  border-radius: var(--r-pill);
  background: var(--accent-wash);
  color: var(--accent-hi);
}
.post-card h3 { margin-bottom: 10px; }
.post-card p { flex: 1; font-size: 0.94rem; }
.post-card .arrow-link { margin-top: 18px; }

.post-card--featured { grid-column: 1 / -1; }
@media (min-width: 840px) {
  .post-card--featured { display: grid; grid-template-columns: 1.1fr 1fr; align-items: stretch; }
  .post-card--featured .post-cover { height: 100%; aspect-ratio: auto; border-bottom: 0; border-right: 1px solid var(--line); }
  .post-card--featured .post-card-body { padding: clamp(28px, 4vw, 44px); justify-content: center; }
  .post-card--featured h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
}

/* Article body */
.article { padding-block: clamp(40px, 6vw, 72px); }
.article-body {
  max-width: 68ch;
  font-size: 1.06rem;
  line-height: 1.75;
  color: #d5dade;
}
.article-body > * + * { margin-top: 1.35em; }
.article-body h2 {
  margin-top: 2.2em;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text);
  scroll-margin-top: 96px;
}
.article-body h3 { margin-top: 1.9em; color: var(--text); }
.article-body a { color: var(--accent-hi); text-decoration: underline; text-underline-offset: 3px; }
/* Buttons that sit inside prose keep their own colour and lose the underline. */
.article-body a.btn { text-decoration: none; }
.article-body a.btn--primary { color: var(--ink); }
.article-body a.btn--accent { color: #fff; }
.article-body a.btn--ghost { color: var(--text); }
.article-body ul, .article-body ol { padding-left: 1.2em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-top: 0.5em; }
.article-body li::marker { color: var(--accent); }
.article-body blockquote {
  margin: 1.8em 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--accent);
  color: var(--text);
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}
.article-body pre {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-raised);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.87em;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-hi);
}
.article-body pre code { padding: 0; background: none; color: inherit; }
.article-body img { border-radius: var(--r); border: 1px solid var(--line); }
.article-body hr { margin: 2.4em 0; }

.article-foot {
  max-width: 68ch;
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.byline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.byline img, .byline .avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  background: var(--accent-wash);
  color: var(--accent-hi);
  font-weight: 600;
  font-size: 0.85rem;
  flex: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 0.82rem;
  color: var(--text-faint);
}
.breadcrumb a:hover { color: var(--text); }
.breadcrumb li:not(:last-child)::after { content: " /"; color: var(--text-faint); }

/* 12 ── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  padding-block: clamp(48px, 7vw, 80px) 32px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.015));
}
.footer-grid { display: grid; gap: 36px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; } }
.footer-about p { margin-top: 16px; max-width: 42ch; font-size: 0.92rem; color: var(--text-dim); }
.footer-col h4 {
  margin-bottom: 16px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.footer-col li { margin-bottom: 11px; }
.footer-col a { font-size: 0.93rem; color: var(--text-dim); transition: color 0.2s var(--ease); }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.83rem;
  color: var(--text-faint);
}

/* 13 ── Motion ─────────────────────────────────────────────────────────── */
/* Scoped to .js so that with JavaScript disabled — or blocked, or still
   loading — every section renders normally instead of staying invisible. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js [data-reveal][data-delay="1"] { transition-delay: 0.07s; }
.js [data-reveal][data-delay="2"] { transition-delay: 0.14s; }
.js [data-reveal][data-delay="3"] { transition-delay: 0.21s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* 14 ── Utilities ──────────────────────────────────────────────────────── */
.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;
}
.text-dim { color: var(--text-dim); }
.mt-0 { margin-top: 0; }
.mt-l { margin-top: clamp(28px, 4vw, 44px); }
.mb-l { margin-bottom: clamp(28px, 4vw, 44px); }
.center { text-align: center; }
.sticky-side { position: sticky; top: 104px; }

/* 15 ── Article hero ───────────────────────────────────────────────────── */
.article-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.article-head { padding-block: clamp(36px, 6vw, 64px) clamp(24px, 3vw, 32px); }
.article-head h1 {
  font-size: clamp(2.05rem, 5.6vw, 3.4rem);
  max-width: 20ch;
  margin-bottom: 24px;
}
.article-head .post-meta { margin-bottom: 20px; }

.article-cta {
  margin-top: clamp(32px, 5vw, 52px);
  padding: clamp(24px, 3.4vw, 34px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 150% at 10% 0%, rgba(84, 121, 255, 0.15), transparent 62%),
    var(--ink-raised);
}
.article-cta h3 { margin-bottom: 12px; }
.article-cta p { color: var(--text-dim); font-size: .97rem; max-width: 52ch; }

.draft-note {
  margin-bottom: 28px;
  padding: 14px 18px;
  border: 1px dashed var(--accent-edge);
  border-radius: var(--r);
  background: var(--accent-wash);
  font-size: .88rem;
  color: var(--accent-hi);
}

/* ==========================================================================
   16 ── MOTION SYSTEM
   Scroll progress is published by main.js as --p (0 → 1) on any element
   carrying [data-scrub]. CSS does all the actual animating, so there is no
   per-frame layout work in JavaScript.
   ========================================================================== */
@property --p {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}

/* Centered section header, as on the reference site */
.section-head--center {
  max-width: 62ch;
  margin-inline: auto;
  text-align: center;
}
.section-head--center .lede { margin-inline: auto; }

/* Scroll cue under the hero */
.scroll-cue {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin: 44px auto 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-faint);
  animation: bob 2.4s var(--ease) infinite;
}
.scroll-cue svg { width: 13px; height: 13px; }
@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: .5; }
  50%      { transform: translateY(6px); opacity: 1; }
}

/* 17 ── Flow graphic ─────────────────────────────────────────────────────
   The signature hero visual: curved paths converging into a router, with
   request dots travelling along them and UI chips floating alongside. */
.flow {
  position: relative;
  margin-top: clamp(40px, 6vw, 72px);
  margin-bottom: clamp(18px, 3vw, 34px);
  padding-block: 26px;
  isolation: isolate;
}
.flow-svg { width: 100%; height: auto; display: block; overflow: visible; }

.flow-path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-dasharray: var(--len, 900);
  stroke-dashoffset: 0;
  animation: draw 1.7s var(--ease) backwards;
}
.flow-path--hot { stroke: var(--accent-edge); stroke-width: 1.6; }
.flow-path:nth-of-type(2) { animation-delay: .12s; }
.flow-path:nth-of-type(3) { animation-delay: .24s; }
.flow-path:nth-of-type(4) { animation-delay: .36s; }
.flow-path:nth-of-type(5) { animation-delay: .48s; }
@keyframes draw { from { stroke-dashoffset: var(--len, 900); } to { stroke-dashoffset: 0; } }

/* A request travelling the wire */
.flow-dot {
  r: 3.4;
  fill: var(--accent);
  filter: drop-shadow(0 0 6px rgba(84, 121, 255, .85));
  offset-rotate: 0deg;
  animation: travel 4.6s cubic-bezier(.55, 0, .45, 1) infinite;
  opacity: 0;
}
@keyframes travel {
  0%          { offset-distance: 0%;   opacity: 0; }
  8%          { opacity: 1; }
  88%         { opacity: 1; }
  100%        { offset-distance: 100%; opacity: 0; }
}

.flow-node {
  fill: var(--ink-raised);
  stroke: var(--line-strong);
  stroke-width: 1;
}
.flow-node--live { stroke: var(--accent-edge); }

/* Floating UI chips pinned over the graphic */
.chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-btn);
  background: rgba(15, 18, 22, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.55);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
  opacity: 1;
  animation:
    chip-in .7s var(--ease) var(--in, .8s) backwards,
    drift 7s ease-in-out calc(var(--in, .8s) + .7s) infinite;
}
@keyframes chip-in { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes drift   { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

.chip b { color: var(--text); font-weight: 600; }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--positive); flex: none; }
.chip .dot--accent { background: var(--accent); }
.chip .dot--warn   { background: #e0a44a; }
.chip--lead { color: var(--accent-hi); border-color: var(--accent-edge); }

@media (max-width: 720px) { .chip { font-size: 0.64rem; padding: 6px 9px; gap: 6px; } }

/* 18 ── App-UI mockup panels ─────────────────────────────────────────── */
.ui {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015)), var(--ink-raised);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .55);
  overflow: hidden;
}
.ui-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.022);
}
.ui-bar .lights { display: flex; gap: 5px; }
.ui-bar .lights i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.16); }
.ui-bar .title { font-family: var(--mono); font-size: .72rem; color: var(--text-faint); }
.ui-bar .pill {
  margin-left: auto;
  padding: 3px 9px;
  border: 1px solid var(--accent-edge);
  border-radius: var(--r-pill);
  background: var(--accent-wash);
  font-family: var(--mono);
  font-size: .64rem;
  color: var(--accent-hi);
}
.ui-body { padding: clamp(16px, 2.4vw, 22px); }

.ui-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: .85rem;
}
.ui-row:last-child { border-bottom: 0; }
.ui-row .k { color: var(--text-dim); display: flex; align-items: center; gap: 9px; }
.ui-row .v { font-family: var(--mono); font-size: .78rem; color: var(--text); }
.ui-row .v.down { color: var(--positive); }
.ui-row .v.up   { color: #e0a44a; }
.ui-tag {
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(255,255,255,.07);
  font-family: var(--mono);
  font-size: .64rem;
  color: var(--text-faint);
}
.ui-tag--accent { background: var(--accent-wash); color: var(--accent-hi); }

/* Bar chart inside a mockup — bars grow when the panel scrolls into view */
.ui-chart {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 128px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.ui-chart span {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: rgba(255, 255, 255, 0.14);
  height: calc(var(--h) * 1%);
  transform-origin: bottom;
  transform: scaleY(1);
  transition: transform .9s var(--ease);
  transition-delay: calc(var(--i) * 60ms);
}
/* Collapsed only where JavaScript exists to expand them again. */
.js .ui-chart span { transform: scaleY(0); }
.ui-chart span.hot { background: linear-gradient(180deg, var(--accent-hi), var(--accent-deep)); }
.js .is-visible .ui-chart span,
.js .ui-chart.is-visible span { transform: scaleY(1); }

/* 19 ── Sticky scrubbed scene ────────────────────────────────────────── */
.scene { position: relative; height: 320vh; }
.scene-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.scene-inner { width: 100%; max-width: var(--max); padding-inline: var(--gutter); }

.scene-caption {
  max-width: 46ch;
  margin: 0 auto 38px;
  text-align: center;
}
.scene-caption h2 { margin-bottom: 14px; }
.scene-step {
  position: absolute;
  inset: auto 0 0;
  text-align: center;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--text-faint);
}

/* Three request lanes that converge, then a verdict. Driven entirely by --p. */
.lanes { display: grid; gap: 14px; max-width: 760px; margin-inline: auto; }
.lane {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-raised);
  transform: translateX(calc((1 - clamp(0, (var(--p) - var(--t)) * 4, 1)) * var(--from, -40px)));
  opacity: clamp(.15, (var(--p) - var(--t)) * 5, 1);
  transition: border-color .4s var(--ease);
}
.lane[data-hot="1"] { border-color: var(--accent-edge); }
.lane .label { font-size: .9rem; color: var(--text); }
.lane .meta  { font-family: var(--mono); font-size: .72rem; color: var(--text-faint); }
.lane .verdict {
  font-family: var(--mono);
  font-size: .72rem;
  padding: 4px 10px;
  border-radius: var(--r-btn);
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  opacity: clamp(0, (var(--p) - var(--t) - .12) * 6, 1);
}
.lane .verdict--small { border-color: rgba(95,208,163,.42); background: rgba(95,208,163,.1); color: var(--positive); }
.lane .verdict--large { border-color: var(--accent-edge); background: var(--accent-wash); color: var(--accent-hi); }
.lane .glyph {
  width: 30px; height: 30px; flex: none;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  font-family: var(--mono); font-size: .7rem; color: var(--text-faint);
}

/* Running total that falls as the lanes resolve */
.tally {
  max-width: 760px;
  margin: 26px auto 0;
  padding: 18px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--ink-raised);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.tally .label { font-family: var(--mono); font-size: .74rem; color: var(--text-faint); }
.tally .figure {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.tally .delta { font-family: var(--mono); font-size: .78rem; color: var(--positive); }

/* 20 ── Marquee (stack wall) ─────────────────────────────────────────── */
.marquee {
  position: relative;
  overflow: hidden;
  padding-block: 4px;
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee-track {
  display: flex;
  gap: 52px;
  width: max-content;
  padding-left: 52px;
  animation: slide 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.marquee-track span {
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--text-faint);
  white-space: nowrap;
  transition: color .25s var(--ease);
}
.marquee-track span:hover { color: var(--text); }

/* 21 ── Dial (animated percentage) ───────────────────────────────────── */
.dial { display: grid; place-items: center; gap: 18px; }
.dial-ring { position: relative; width: clamp(180px, 26vw, 250px); aspect-ratio: 1; }
.dial-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.dial-ring .track { fill: none; stroke: var(--line); stroke-width: 6; }
.dial-ring .value {
  fill: none;
  stroke: url(#dialGrad);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 534;
  /* Default is the finished arc, so a blocked script leaves a correct dial. */
  stroke-dashoffset: calc(534 - 534 * var(--pct, .79));
  transition: stroke-dashoffset 1.6s var(--ease);
}
.js .dial-ring .value { stroke-dashoffset: 534; }
.js .dial.is-visible .dial-ring .value { stroke-dashoffset: calc(534 - 534 * var(--pct, .79)); }
.dial-figure {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}

/* 22 ── Full-bleed showcase ──────────────────────────────────────────── */
.showcase {
  position: relative;
  padding-block: clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 80% at 78% 30%, rgba(84, 121, 255, .16), transparent 68%),
    radial-gradient(50% 60% at 12% 85%, rgba(95, 208, 163, .07), transparent 70%),
    #0b0e12;
  overflow: hidden;
}
.showcase::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(80% 70% at 60% 40%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(80% 70% at 60% 40%, #000, transparent 75%);
  pointer-events: none;
}
.showcase > * { position: relative; z-index: 1; }
.showcase h2 { max-width: 15ch; }

/* Parallax lift on the mockup as it passes through the viewport */
.parallax { transform: translateY(calc((0.5 - var(--p, .5)) * 46px)); will-change: transform; }

/* 23 ── Reduced motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .flow-path { animation: none; stroke-dashoffset: 0; }
  .flow-dot { animation: none; opacity: .9; offset-distance: 60%; }
  .chip { animation: none; opacity: 1; }
  .scroll-cue { animation: none; }
  .marquee-track { animation: none; }
  .parallax { transform: none; }
  .lane { transform: none; opacity: 1; }
  .lane .verdict { opacity: 1; }
  .scene { height: auto; }
  .scene-pin { position: static; height: auto; min-height: 0; padding-block: 64px; }
}

/* 24 ── Hero layout (centred, as on the reference) ───────────────────── */
.hero-copy {
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}
.hero-copy .lede { margin-inline: auto; max-width: 62ch; }
.hero-copy .btn-row { justify-content: center; }
.hero-copy .hero-note { justify-content: center; }
.hero h1 { margin-bottom: 24px; }
.hero h1 br { display: none; }
@media (min-width: 860px) { .hero h1 br { display: inline; } }

/* Chips that only fit once there is room for them */
.chip--wide { display: none; }
@media (min-width: 860px) { .chip--wide { display: flex; } }

/* The scrubbed scene collapses to a normal stacked section on small screens,
   where a 3-viewport-tall sticky sequence is more annoying than impressive. */
@media (max-width: 760px) {
  .scene { height: auto; }
  .scene-pin { position: static; height: auto; min-height: 0; padding-block: 64px; }
  .scene-step { display: none; }
  .lane { transform: none; opacity: 1; }
  .lane .verdict { opacity: 1; }
  .lane { grid-template-columns: auto 1fr; }
  .lane .verdict { grid-column: 2; justify-self: start; }
}

/* Marquee sits tighter under its label */
.marquee { margin-top: 26px; }

/* ==========================================================================
   25 ── Portrait and byline
   ========================================================================== */
.portrait {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: var(--r);
  border: 1px solid var(--line-strong);
  background: var(--ink-raised);
}
.portrait-figure { margin: 0 0 22px; }
.portrait-figure figcaption {
  margin-top: 14px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text-faint);
}
.portrait-figure figcaption strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
}

.avatar {
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 20%;
  border: 1px solid var(--line-strong);
}
.avatar--sm { width: 38px; height: 38px; }

/* Attribution row: photo beside name and role */
.byline {
  display: flex;
  align-items: center;
  gap: 13px;
}
.byline span { display: block; line-height: 1.45; }
.byline strong {
  display: block;
  font-weight: 600;
  color: var(--text);
}
.quote footer.byline { font-style: normal; }

/* Newsletter opt-in on the enquiry form */
.consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-top: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.consent:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.035); }
.consent input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  flex: none;
  accent-color: var(--accent);
  cursor: pointer;
}
.consent:focus-within { border-color: var(--accent-edge); }

/* ==========================================================================
   26 ── Newsletter capture
   A centred dialog on desktop, a bottom sheet on phones. Google treats a
   full-screen interstitial on mobile as an intrusive pattern and can demote
   the page for it, so on small screens this only ever covers the lower edge.
   ========================================================================== */
.signup {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.signup[hidden] { display: none; }

.signup-scrim {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 9, 0.62);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.signup.is-open .signup-scrim { opacity: 1; }

.signup-card {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100vh - 24px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--line-strong);
  border-bottom: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(84, 121, 255, 0.15), transparent 60%),
    var(--ink-raised);
  box-shadow: 0 -20px 70px rgba(0, 0, 0, 0.6);
  transform: translateY(100%);
  transition: transform 0.45s var(--ease);
}
.signup.is-open .signup-card { transform: none; }

.signup-card h2 {
  font-size: clamp(1.35rem, 3.4vw, 1.7rem);
  margin-bottom: 12px;
}
.signup-text {
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.signup-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-faint);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.signup-close:hover { color: var(--text); border-color: var(--line-strong); }
.signup-close svg { width: 14px; height: 14px; }

.signup-form { display: grid; gap: 12px; }
.signup-form .field { margin: 0; }
.signup-form .btn { width: 100%; justify-content: center; }

.signup-fine {
  margin-top: 16px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-faint);
}
.signup-never {
  display: block;
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--text-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.signup-never:hover { color: var(--text-dim); }

/* From tablet up it becomes a conventional centred dialog. */
@media (min-width: 720px) {
  .signup { align-items: center; padding: 24px; }
  .signup-card {
    border-bottom: 1px solid var(--line-strong);
    border-radius: var(--r-lg);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.62);
    transform: translateY(18px) scale(0.97);
    opacity: 0;
    transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
  }
  .signup.is-open .signup-card { transform: none; opacity: 1; }
  .signup-form { grid-template-columns: 1fr auto; align-items: start; }
  .signup-form .btn { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .signup-scrim,
  .signup-card { transition: none; }
  .signup-card { transform: none; opacity: 1; }
}

/* ==========================================================================
   27 ── Video cards
   A clickable thumbnail (the "facade") stands in for a real embed until
   JavaScript swaps it for an iframe on click — see "YouTube facade" in
   assets/js/main.js. Without JS, the facade is a plain link to YouTube, so
   the video is always reachable either way.
   ========================================================================== */
.video-card { padding: 0; }

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
  background: #000;
  overflow: hidden;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-facade {
  position: absolute;
  inset: 0;
  display: block;
  cursor: pointer;
}
.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease), filter 0.3s var(--ease);
}
.video-facade:hover .video-thumb,
.video-facade:focus-visible .video-thumb {
  transform: scale(1.045);
  filter: brightness(0.7);
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(8, 10, 13, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.video-play svg { width: 19px; height: 19px; margin-left: 3px; }
.video-facade:hover .video-play,
.video-facade:focus-visible .video-play {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.08);
}
.video-facade:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.video-duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(4, 6, 9, 0.82);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  color: #fff;
}