/* ============================================================
   D3 Digital Media — 30-Day Sprint page
   Self-contained — design tokens match the homepage + WAVES Growth OS.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&display=swap');

:root {
  --sky: #10dde0; --sky-bright: #14e8eb; --sky-deep: #0a8a8c;
  --sky-soft: rgba(16, 221, 224, 0.12); --sky-glow: rgba(16, 221, 224, 0.35);
  --bg: #050608; --bg-card: #0c0e12; --bg-elevated: #11141a; --bg-soft: #161922;
  --border: #1c2029; --border-strong: #2a2f3a;
  --text: #f4f6f8; --text-muted: #dde3ea; --text-dim: #b8c0c8;
  --p-w: #10dde0; --p-a: #f5b942; --p-v: #4ade80; --p-e: #fb7185; --p-s: #a78bfa;
  --r-btn: 4px; --r-card: 14px; --r-pill: 999px;
  --t-fast: .18s; --t-medium: .32s; --t-slow: .6s;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --container: 1280px; --gutter: clamp(20px, 4vw, 56px);
  --display: 'Fraunces', Georgia, serif;
  --body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Override Divi inline h1-h6 { color:#333 } — see home-d3v0290.css for full notes */
#top h1, #top h2, #top h3, #top h4, #top h5, #top h6 { color: var(--text); }

#top, #top * { box-sizing: border-box; }
#top {
  font-family: var(--body);
  font-size: 17px; line-height: 1.6;
  color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
#top img, #top svg { display: block; max-width: 100%; }
#top a { color: inherit; text-decoration: none; }
#top ::selection { background: var(--sky); color: #000; }

#top .container {
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 0 var(--gutter);
}
#top .section { position: relative; padding: clamp(80px, 12vw, 160px) 0; }
#top .eyebrow-num {
  font-family: var(--body); font-size: 13px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--text-dim);
}
#top .eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--sky);
}
#top .eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--sky); }
#top .h-section {
  font-family: var(--display); font-weight: 700;
  font-variation-settings: 'opsz' 96;
  letter-spacing: -0.018em; line-height: 1.05;
  font-size: clamp(36px, 5vw, 64px);
  text-wrap: balance;
  color: #ffffff;
}
#top .accent { color: var(--sky); }
#top .italic { font-style: italic; }
#top .lede {
  font-size: clamp(18px, 1.5vw, 22px); line-height: 1.55;
  color: var(--text-muted); max-width: 60ch; text-wrap: pretty;
}

#top .btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; font: inherit; font-weight: 600;
  font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase;
  border-radius: var(--r-btn); border: 1px solid transparent;
  transition: all var(--t-fast) var(--ease); cursor: pointer;
}
#top .btn--primary { background: var(--sky); color: #000; }
#top .btn--primary:hover {
  background: var(--sky-bright); transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px var(--sky-glow);
}
#top .btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--border-strong);
}
#top .btn--ghost:hover { border-color: var(--sky); color: var(--sky); }

#top .fade-in {
  /* Always visible — animation was causing dim/invisible text on mobile
     when IntersectionObserver hadn't fired yet. Readability over motion. */
  opacity: 1;
  transform: none;
}
#top .fade-in.is-visible { opacity: 1; transform: none; }

/* ============================================================
   HERO
   ============================================================ */
#top .sprint-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: clamp(80px, 12vh, 140px) 0 clamp(48px, 8vh, 96px);
  overflow: hidden;
}
#top .sprint-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 20%, var(--sky-soft), transparent 70%),
    radial-gradient(ellipse 70% 50% at 10% 90%, rgba(16, 221, 224, 0.05), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
#top .sprint-hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 32, 41, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 32, 41, 0.5) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
  z-index: 0; opacity: 0.5;
  pointer-events: none;
}
#top .sprint-hero .container { position: relative; z-index: 1; width: 100%; }
#top .sprint-hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
#top .sprint-hero__chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--sky); background: var(--sky-soft);
  margin-bottom: 24px;
}
#top .sprint-hero__chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--sky); box-shadow: 0 0 12px var(--sky);
}
#top .sprint-hero__h1 {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: 'opsz' 144;
  letter-spacing: -0.025em; line-height: 1.02;
  font-size: clamp(48px, 7vw, 104px);
  text-wrap: balance;
  color: #ffffff;
  margin-bottom: 28px;
}
#top .sprint-hero__h1 .accent { font-style: italic; font-weight: 500; }
#top .sprint-hero__sub {
  font-size: clamp(17px, 1.4vw, 21px); line-height: 1.55;
  color: var(--text-muted); max-width: 56ch;
  text-wrap: pretty; margin-bottom: 36px;
}
#top .sprint-hero__sub strong { color: var(--text); font-weight: 600; }
#top .sprint-hero__ctas {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 48px;
}

/* Big "30" countdown visual */
#top .sprint-hero__viz {
  position: relative;
  aspect-ratio: 1 / 1.05;
  background: linear-gradient(180deg, rgba(16,221,224,0.04), transparent 60%), var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: clamp(24px, 3vw, 36px);
  display: flex; flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
#top .sprint-hero__viz::before {
  content: ''; position: absolute;
  top: -40%; right: -20%;
  width: 80%; height: 80%;
  background: radial-gradient(circle, var(--sky-glow), transparent 60%);
  filter: blur(60px);
  z-index: 0;
}
#top .sprint-hero__viz-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-muted);
  position: relative; z-index: 1;
}
#top .sprint-hero__viz-top strong { color: var(--sky); font-weight: 600; }
#top .sprint-hero__big-num {
  position: relative; z-index: 1;
  font-family: var(--display); font-weight: 400;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(120px, 13vw, 180px);
  line-height: 0.85; letter-spacing: -0.05em;
  color: var(--text);
  display: flex; align-items: baseline; gap: 14px;
  white-space: nowrap;
}
#top .sprint-hero__big-num em {
  font-family: var(--display);
  font-style: italic;
  color: var(--sky);
  font-weight: 500;
  font-size: 0.28em;
  letter-spacing: 0.02em;
  line-height: 1;
}
@media (max-width: 1024px) {
  #top .sprint-hero__big-num { font-size: clamp(96px, 22vw, 160px); }
}
#top .sprint-hero__viz-bottom {
  position: relative; z-index: 1;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
#top .sprint-hero__viz-pair {
  font-size: 13px; color: var(--text-muted); line-height: 1.4;
}
#top .sprint-hero__viz-pair strong {
  display: block;
  font-family: var(--display); font-weight: 500;
  font-size: 22px; letter-spacing: -0.01em;
  color: var(--text); margin-bottom: 2px;
}

/* Hero stats row */
#top .sprint-hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
#top .sprint-hero__stat {
  display: flex; flex-direction: column; gap: 4px;
}
#top .sprint-hero__stat-num {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(28px, 3vw, 40px); line-height: 1;
  color: var(--sky);
}
#top .sprint-hero__stat-label {
  font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-muted);
}

/* ============================================================
   TIMELINE
   ============================================================ */
#top .timeline { background: var(--bg); }
#top .timeline__head {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 48px; align-items: end; margin-bottom: 64px;
}
#top .timeline__head .h-section { margin-top: 18px; margin-bottom: 18px; }
#top .timeline__rail {
  position: relative; display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 56px;
}
#top .timeline__rail::before {
  content: ''; position: absolute;
  top: 32px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg,
    var(--sky-soft) 0%, var(--sky) 25%, var(--sky) 50%, var(--sky) 75%, var(--sky-soft) 100%);
}
#top .timeline__week {
  position: relative; padding-top: 64px;
  display: flex; flex-direction: column;
}
#top .timeline__week::before {
  content: ''; position: absolute;
  top: 22px; left: 24px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--sky);
  z-index: 1;
}
#top .timeline__week--active::before {
  background: var(--sky);
  box-shadow: 0 0 20px var(--sky-glow);
}
#top .timeline__week-label {
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 8px;
}
#top .timeline__week-pillar {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.02em; line-height: 1;
  margin-bottom: 6px; color: var(--text);
}
#top .timeline__week-pillar .letter {
  display: inline-block; color: var(--sky); margin-right: 6px;
}
#top .timeline__week-focus {
  font-size: 13px; color: var(--text-muted); line-height: 1.4;
  margin-bottom: 20px; min-height: 36px;
}
#top .timeline__week-tasks {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 24px; flex: 1;
}
#top .timeline__week-tasks li {
  font-size: 13px; color: var(--text-muted); line-height: 1.5;
  padding-left: 16px; position: relative;
}
#top .timeline__week-tasks li::before {
  content: ''; position: absolute;
  left: 0; top: 8px; width: 6px; height: 1px; background: var(--sky);
}
#top .timeline__week-deliv {
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  border-left: 3px solid var(--sky);
}
#top .timeline__deliv-label {
  display: block;
  font-size: 10px; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--sky); margin-bottom: 4px;
}
#top .timeline__deliv-name {
  font-family: var(--display); font-weight: 600;
  font-size: 15px; line-height: 1.3; color: var(--text);
}

/* Day 30 promise strip */
#top .timeline__day30 {
  margin-top: 48px;
  padding: clamp(28px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(16,221,224,0.06), transparent 60%), var(--bg-card);
  border: 1px solid var(--sky);
  border-radius: var(--r-card);
  display: grid; grid-template-columns: auto 1fr;
  gap: 36px; align-items: center;
  position: relative; overflow: hidden;
}
#top .timeline__day30::before {
  content: ''; position: absolute;
  top: -50%; left: -10%; width: 50%; height: 200%;
  background: radial-gradient(circle, var(--sky-glow), transparent 60%);
  filter: blur(60px); z-index: 0;
}
#top .timeline__day30-stamp {
  position: relative; z-index: 1;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(28px, 3.5vw, 44px); line-height: 1;
  letter-spacing: -0.02em; white-space: nowrap;
}
#top .timeline__day30-stamp .num {
  display: block; font-size: 1.4em;
  color: var(--sky); font-style: italic;
}
#top .timeline__day30-body { position: relative; z-index: 1; }
#top .timeline__day30-promise {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(20px, 2vw, 26px); line-height: 1.25;
  letter-spacing: -0.01em; margin-bottom: 18px;
  text-wrap: balance;
}
#top .timeline__day30-triggers {
  display: flex; flex-wrap: wrap; gap: 10px;
}
#top .timeline__trigger-chip {
  font-size: 13px; color: var(--text-muted);
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  background: rgba(5, 6, 8, 0.5);
}
#top .timeline__trigger-chip strong {
  color: var(--sky); font-weight: 600; margin-right: 4px;
}

/* ============================================================
   TIERS — matrix
   ============================================================ */
#top .tiers { background: var(--bg-card); }
#top .tiers__head { margin-bottom: 56px; max-width: 800px; }
#top .tiers__head .h-section { margin-top: 18px; margin-bottom: 18px; }
#top .tiers__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--bg);
  margin-bottom: 36px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
#top .tiers__matrix {
  width: 100%; border-collapse: collapse;
  font-size: 14px; min-width: 900px;
}
#top .tiers__matrix thead th {
  text-align: left; padding: 22px 24px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-strong);
  vertical-align: top; width: 30%;
}
#top .tiers__matrix thead th:first-child {
  background: var(--bg); color: var(--sky); width: 22%;
}
#top .tiers__matrix tbody th {
  text-align: left; padding: 22px 24px;
  font-family: var(--display); font-weight: 500;
  font-size: 14px; line-height: 1.3;
  color: var(--text); background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.005em;
}
#top .tiers__matrix tbody td {
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted); line-height: 1.5;
  vertical-align: top;
}
#top .tiers__matrix tbody tr:last-child th,
#top .tiers__matrix tbody tr:last-child td { border-bottom: none; }
#top .tiers__promise-row th,
#top .tiers__promise-row td {
  background: rgba(16, 221, 224, 0.03);
}
#top .tiers__promise-row th {
  color: var(--sky) !important;
  text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 12px !important;
  font-family: var(--body) !important;
}
#top .tiers__promise-row td {
  font-family: var(--display); font-size: 16px;
  color: var(--text) !important; font-style: italic;
}
#top .tiers__promises {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 36px;
}
#top .tiers__promise {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 28px;
}
#top .tiers__promise h3 {
  font-family: var(--display); font-weight: 600;
  font-size: 22px; letter-spacing: -0.01em;
  margin-bottom: 10px; color: var(--text);
}
#top .tiers__promise p {
  font-size: 14px; color: var(--text-muted); line-height: 1.55;
}

/* ============================================================
   GUARDRAILS
   ============================================================ */
#top .guardrails { background: var(--bg); }
#top .guardrails__head { margin-bottom: 56px; max-width: 800px; }
#top .guardrails__head .h-section { margin-top: 18px; margin-bottom: 18px; }
#top .guardrails__cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
#top .guardrails__col {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: clamp(28px, 3vw, 40px);
}
#top .guardrails__col-head {
  padding-bottom: 20px; margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
#top .guardrails__col-head h3 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(24px, 2.2vw, 30px);
  letter-spacing: -0.015em; margin-bottom: 4px;
}
#top .guardrails__col--honor .guardrails__col-head h3 { color: var(--sky); }
#top .guardrails__col--refuse .guardrails__col-head h3 { color: #fb7185; }
#top .guardrails__col-head p {
  font-size: 13px; color: var(--text-muted); letter-spacing: 0.05em;
}
#top .guardrails__list {
  list-style: none; display: flex; flex-direction: column; gap: 20px;
}
#top .guardrails__item {
  display: grid; grid-template-columns: 32px 1fr;
  gap: 16px; align-items: start;
}
#top .guardrails__num {
  font-family: var(--display); font-weight: 500;
  font-size: 16px; width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid currentColor;
}
#top .guardrails__col--honor .guardrails__num { color: var(--sky); }
#top .guardrails__col--refuse .guardrails__num { color: #fb7185; }
#top .guardrails__item-title {
  font-family: var(--display); font-weight: 600;
  font-size: 17px; line-height: 1.25;
  display: block; margin-bottom: 6px;
  letter-spacing: -0.005em; color: var(--text);
}
#top .guardrails__item-text {
  font-size: 13.5px; color: var(--text-muted); line-height: 1.5;
}

/* ============================================================
   BUILD LIST
   ============================================================ */
#top .buildlist {
  background: var(--bg-card);
  position: relative; overflow: hidden;
}
#top .buildlist::before {
  content: '»»';
  position: absolute;
  top: 8%; right: -2%;
  font-size: 50vw; line-height: 0.7;
  color: var(--sky); opacity: 0.025;
  letter-spacing: -0.1em;
  font-family: var(--body); font-weight: 800;
  pointer-events: none; user-select: none;
}
#top .buildlist .container { position: relative; z-index: 1; }
#top .buildlist__head { margin-bottom: 48px; max-width: 800px; }
#top .buildlist__head .h-section { margin-top: 18px; margin-bottom: 18px; }
#top .buildlist__callout {
  background: linear-gradient(180deg, rgba(16,221,224,0.08), transparent 70%), var(--bg);
  border: 1px solid var(--sky);
  border-radius: var(--r-card);
  padding: clamp(24px, 3vw, 36px);
  margin-bottom: 56px;
  display: grid; grid-template-columns: auto 1fr;
  gap: 28px; align-items: center;
}
#top .buildlist__callout-chev {
  font-size: 48px; line-height: 1;
  color: var(--sky); font-weight: 800;
  font-family: var(--body); letter-spacing: -0.1em;
}
#top .buildlist__callout-stamp {
  display: block;
  font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--sky);
  margin-bottom: 8px; font-weight: 700;
}
#top .buildlist__callout p {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(17px, 1.4vw, 21px); line-height: 1.4;
  letter-spacing: -0.005em; color: var(--text);
  text-wrap: pretty;
}
#top .buildlist__group { margin-bottom: 48px; }
#top .buildlist__group:last-child { margin-bottom: 0; }
#top .buildlist__group-title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(20px, 1.8vw, 26px);
  letter-spacing: -0.01em;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
#top .buildlist__group-title em {
  font-style: italic; color: var(--sky); font-weight: 400;
}
#top .buildlist__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
#top .buildlist__card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
#top .buildlist__card:hover {
  border-color: var(--sky);
  transform: translateY(-2px);
}
#top .buildlist__badge {
  display: inline-flex; align-items: center;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-pill);
  align-self: flex-start;
  border: 1px solid var(--border-strong);
  color: var(--sky); background: var(--sky-soft);
}
#top .buildlist__desc {
  font-size: 13.5px; color: var(--text); line-height: 1.45;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
#top .sprint-final {
  background: var(--bg);
  position: relative; overflow: hidden;
  padding: clamp(80px, 12vw, 160px) 0;
}
#top .sprint-final::before {
  content: ''; position: absolute;
  inset: -50% -10% auto auto;
  width: 80vw; height: 80vw;
  background: radial-gradient(circle, var(--sky-glow), transparent 60%);
  filter: blur(80px); pointer-events: none; z-index: 0;
}
#top .sprint-final .container { position: relative; z-index: 1; }
#top .sprint-final__inner { text-align: center; max-width: 900px; margin: 0 auto; }
#top .sprint-final .h-section { margin-bottom: 28px; }
#top .sprint-final .lede { margin: 0 auto 36px; }
#top .sprint-final__buttons {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  #top .sprint-hero__grid { grid-template-columns: 1fr; }
  #top .sprint-hero__viz { max-width: 480px; }
  #top .timeline__head { grid-template-columns: 1fr; gap: 28px; }
  #top .timeline__rail { grid-template-columns: 1fr 1fr; gap: 24px; }
  #top .timeline__rail::before { display: none; }
  #top .timeline__week { padding-top: 0; }
  #top .timeline__week::before { display: none; }
  #top .tiers__promises { grid-template-columns: 1fr; }
  #top .guardrails__cols { grid-template-columns: 1fr; }
  #top .timeline__day30 { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 640px) {
  #top .sprint-hero { min-height: auto; padding: 80px 0 56px; }
  #top .sprint-hero__stats { grid-template-columns: 1fr 1fr; gap: 18px; }
  #top .timeline__rail { grid-template-columns: 1fr; }
  #top .buildlist__callout { grid-template-columns: 1fr; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  #top .fade-in { opacity: 1; transform: none; transition: none; }
}