/* Home page (Quiet Editorial). Mounted under .d1 so styles are scoped.
   container-type:inline-size makes the responsive breakpoint fire on the
   container's width, not the viewport's — works correctly when the site is
   embedded in an iframe (e.g. the Compare.html canvas). */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&family=Instrument+Serif:ital@0;1&display=swap');

.d1 {
  font-family: 'Geist', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--ab-bg);
  color: var(--ab-ink);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
  container-type: inline-size;
}
.d1 *, .d1 *::before, .d1 *::after { box-sizing: border-box; }

/* ─── Type helpers ─────────────────────────────────────────────── */
.d1-italic { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; letter-spacing: -0.02em; }
.d1-mono   { font-family: 'Geist Mono', 'IBM Plex Mono', monospace; font-feature-settings: 'ss01' on; }
.d1-eyebrow {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ab-ink-mute);
}
.d1-rule { border: 0; border-top: 1px solid var(--ab-rule); margin: 0; }

/* ─── Nav ──────────────────────────────────────────────────────── */
.d1-nav {
  position: sticky; top: 0; z-index: 30;
  background: var(--ab-bg);
  padding: 22px 56px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.d1-nav-links { display: flex; gap: 28px; align-items: center; }
.d1-nav a {
  color: var(--ab-ink);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: -0.005em;
  position: relative;
}
.d1-nav a::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: -3px;
  height: 1px; background: var(--ab-ink);
  transition: right .35s cubic-bezier(.2, .7, .3, 1);
}
.d1-nav a:hover::after { right: 0; }
.d1-logo { font-size: 16px; font-weight: 500; letter-spacing: -0.015em; }
.d1-logo b { font-weight: 600; }

/* ─── Hero ─────────────────────────────────────────────────────── */
.d1-hero { padding: 80px 56px 56px; position: relative; }
.d1-hero-top { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding-bottom: 80px; }
.d1-hero-intro { font-size: 17px; line-height: 1.45; max-width: 28ch; color: var(--ab-ink-soft); }
.d1-def { font-size: 14px; color: var(--ab-ink-mute); line-height: 1.7; padding-top: 8px; max-width: 32ch; }
.d1-def-row { display: grid; grid-template-columns: 24px 1fr; }
.d1-display {
  font-size: clamp(96px, 19vw, 280px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  font-weight: 500;
  margin: 0;
}
.d1-display .d1-italic { letter-spacing: -0.04em; font-weight: 400; }
.d1-statement {
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.028em;
  max-width: 22ch;
  font-weight: 400;
  margin: 56px 0 0;
}
.d1-statement em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; letter-spacing: -0.02em; }

/* ─── Meta strip ───────────────────────────────────────────────── */
.d1-meta {
  display: flex; justify-content: space-between;
  padding: 28px 56px;
  border-top: 1px solid var(--ab-rule);
  border-bottom: 1px solid var(--ab-rule);
}
.d1-meta-cell { font-size: 12px; color: var(--ab-ink-mute); }
.d1-meta-cell b { display: block; color: var(--ab-ink); font-weight: 500; margin-top: 4px; font-size: 13px; }

/* ─── Section (About / Manifesto) ──────────────────────────────── */
.d1-section {
  padding: 120px 56px;
  background: var(--ab-dark-bg);
  color: var(--ab-dark-ink);
}
.d1-section .d1-eyebrow { color: var(--ab-dark-ink-mute); }
.d1-section .d1-rule { border-top-color: var(--ab-dark-rule); }
.d1-section .d1-manifesto-body { color: var(--ab-dark-ink-soft); }
.d1-section-head { display: grid; grid-template-columns: 200px 1fr; gap: 56px; padding-bottom: 64px; }
.d1-section-title { font-size: 44px; line-height: 1; letter-spacing: -0.03em; font-weight: 400; margin: 0; }
.d1-manifesto-body {
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
  max-width: 24ch;
  letter-spacing: -0.018em;
}
.d1-manifesto-body em { font-family: 'Instrument Serif', serif; font-style: italic; }
.d1-triad { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 56px; }
.d1-triad span {
  font-size: 48px;
  letter-spacing: -0.03em;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}

/* ─── Case studies — hover-to-preview list ─────────────────────── */
.d1-cases { background: var(--ab-bg); padding: 120px 0 80px; }
.d1-cases-head { padding: 0 56px 24px; display: flex; justify-content: space-between; align-items: baseline; }
.d1-cases-list { border-top: 1px solid var(--ab-rule); }
.d1-case-row {
  display: grid;
  grid-template-columns: 112px 1.4fr 1.6fr 1fr 56px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--ab-rule);
  position: relative;
  cursor: pointer;
  transition: padding .35s ease, color .25s ease;
  text-decoration: none;
  color: inherit;
}
.d1-case-row:hover { padding-left: 16px; padding-right: 16px; }
.d1-case-row > .d1-case-num {
  color: var(--ab-ink-mute);
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  padding-left: 56px;
}
.d1-case-client { font-size: 44px; letter-spacing: -0.03em; line-height: 1; font-weight: 400; }
.d1-case-tag    { font-size: 14px; color: var(--ab-ink-soft); max-width: 44ch; line-height: 1.45; }
.d1-case-year   { font-size: 13px; color: var(--ab-ink-mute); font-family: 'Geist Mono', monospace; }
.d1-case-arrow  { padding-right: 56px; text-align: right; opacity: .5; transition: transform .35s, opacity .25s; }
.d1-case-row:hover .d1-case-arrow  { opacity: 1; transform: translateX(6px); }
.d1-case-row:hover .d1-case-client {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
  letter-spacing: -0.02em;
}
.d1-case-preview {
  position: fixed;
  pointer-events: none;
  width: 380px; height: 240px;
  opacity: 0; transform: scale(.94);
  transition: opacity .25s, transform .25s;
  z-index: 20;
  overflow: hidden;
}
.d1-case-row:hover ~ .d1-case-preview { opacity: 1; transform: scale(1); }

/* ─── Expertise ────────────────────────────────────────────────── */
.d1-exp {
  padding: 120px 56px;
  background: var(--ab-dark-bg);
  color: var(--ab-dark-ink);
}
.d1-exp .d1-eyebrow { color: var(--ab-dark-ink-mute); }
.d1-exp .d1-manifesto-body { color: var(--ab-dark-ink-soft); }
.d1-exp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 48px 32px; padding-top: 64px; }
.d1-exp-col h3 {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ab-dark-ink-mute);
  font-weight: 500;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ab-dark-rule);
}
.d1-exp-col ul { list-style: none; padding: 0; margin: 0; }
.d1-exp-col li { font-size: 16px; padding: 6px 0; letter-spacing: -0.005em; }

/* ─── Contact ──────────────────────────────────────────────────── */
.d1-contact { padding: 120px 56px 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.d1-contact-title {
  font-size: clamp(60px, 10vw, 160px);
  line-height: .9;
  letter-spacing: -0.045em;
  font-weight: 400;
  margin: 0;
}
.d1-contact-title .d1-italic { display: block; }
.d1-contact-side { padding-top: 32px; }
.d1-contact-side h4 {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ab-ink-mute);
  font-weight: 500;
  margin: 0 0 12px;
}
.d1-contact-side p,
.d1-contact-side a {
  font-size: 22px;
  line-height: 1.4;
  color: var(--ab-ink);
  text-decoration: none;
  letter-spacing: -0.015em;
  margin: 0 0 32px;
  display: block;
}

/* ─── Footer ───────────────────────────────────────────────────── */
.d1-footer {
  padding: 32px 56px 48px;
  display: flex; justify-content: space-between;
  border-top: 1px solid var(--ab-rule);
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  color: var(--ab-ink-mute);
  letter-spacing: 0.05em;
}

/* ─── Case media (the gradient swatch behind <img>) ────────────── */
.d1-case-media { position: relative; width: 100%; height: 100%; overflow: hidden; }
.d1-case-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.d1-case-media-label {
  position: absolute; bottom: 18px; left: 22px; right: 22px;
  display: flex; justify-content: space-between; align-items: flex-end;
  color: rgba(255, 255, 255, .92);
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: .72;
}

/* ─── Mobile (container query — fires inside iframes, not just on
       viewport width) ─────────────────────────────────────────── */
@container (max-width: 720px) {
  .d1-nav { padding: 16px 20px; }
  .d1-nav-links { gap: 16px; }
  .d1-hero { padding: 40px 20px 32px; }
  .d1-hero-top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 36px; }
  .d1-display { font-size: 28vw; }
  .d1-statement { font-size: 32px; margin-top: 24px; }
  .d1-meta { padding: 16px 20px; flex-wrap: wrap; gap: 18px; }
  .d1-meta-cell { flex: 1 1 45%; }
  .d1-section { padding: 64px 20px; }
  .d1-section-head { grid-template-columns: 1fr; gap: 24px; padding-bottom: 32px; }
  .d1-section-title { font-size: 32px; }
  .d1-manifesto-body { font-size: 22px; }
  .d1-triad span { font-size: 32px; }
  .d1-cases-head { padding: 0 20px 16px; }
  .d1-case-row { grid-template-columns: 36px 1fr 36px; padding: 18px 0; gap: 12px; }
  .d1-case-row > .d1-case-num { padding-left: 20px; font-size: 11px; }
  .d1-case-client { font-size: 28px; }
  .d1-case-tag, .d1-case-year { display: none; }
  .d1-case-arrow { padding-right: 20px; }
  .d1-exp { padding: 64px 20px; }
  .d1-exp-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; padding-top: 32px; }
  .d1-contact { grid-template-columns: 1fr; padding: 64px 20px 40px; gap: 32px; }
  .d1-contact-title { font-size: 60px; }
  .d1-footer { padding: 24px 20px 32px; flex-wrap: wrap; gap: 12px; font-size: 10px; }
}