/* ==========================================================================
   PERFECTO / v1 NOIR
   Palette + fonts live here. Change these variables to re-skin the page.
   ========================================================================== */
:root {
  --bg: #0A0A0B;
  --bg-2: #101012;
  --ink: #F2EEE6;
  --ink-2: rgba(242, 238, 230, .66);
  --ink-3: rgba(242, 238, 230, .52);
  --hair: rgba(242, 238, 230, .13);
  --hair-2: rgba(242, 238, 230, .24);
  --accent: #D9C08A;
  --accent-ink: #0A0A0B;

  --serif: "Cormorant Garamond", "Cormorant", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --ease: cubic-bezier(.22, .8, .24, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --pad: clamp(20px, 4.4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dl, dd { margin: 0; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; }
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--pad); position: relative; z-index: 2; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 16px; }
.skip:focus { left: 8px; }

/* ---------- Atmosphere: grain, spotlight ---------- */
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: .05; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1.6 -.6'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.spot {
  position: fixed; left: 0; top: 0; width: 760px; height: 760px; margin: -380px 0 0 -380px; z-index: 1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(242, 238, 230, .055), rgba(242, 238, 230, .018) 55%, transparent);
  opacity: 0; transition: opacity .8s var(--ease); will-change: transform;
}
.spot.on { opacity: 1; }

/* ---------- Header ---------- */
.top { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s; border-bottom: 1px solid transparent; }
.top.scrolled { background: rgba(10, 10, 11, .72); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-color: var(--hair); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand { display: inline-flex; flex-direction: column; justify-content: center; gap: 6px; min-height: 44px; line-height: 1; }
.brand-main { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; letter-spacing: .36em; margin-right: -.36em; text-transform: uppercase; }
.brand-sub { display: flex; align-items: center; gap: 8px; font-family: var(--sans); font-size: .5625rem; font-weight: 500; letter-spacing: .5em; text-transform: uppercase; color: var(--ink-3); }
.brand-sub i { font-style: normal; color: var(--accent); margin-right: -.3em; }
.brand-sub::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); opacity: .6; }
.brand-foot .brand-main { font-size: 1.125rem; color: var(--ink-2); }
.brand-foot .brand-sub { font-size: .5rem; }
.top .bar { animation: fade 1.2s var(--ease) both; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 0 28px; border-radius: 2px; border: 1px solid var(--hair-2);
  font-family: var(--sans); font-size: .75rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; white-space: nowrap;
  cursor: pointer; will-change: transform;
  transition: transform .5s var(--ease), background .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease), opacity .5s;
}
.btn[data-magnetic] { transition-property: background, color, border-color, opacity; }
.btn svg { flex: none; transition: transform .5s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.btn-primary:hover { background: #E6D2A3; border-color: #E6D2A3; }
.btn.btn-ghost { background: transparent; color: var(--ink); }
.btn.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: .6875rem; }
.btn-block { width: 100%; }
#checkBtn:hover svg { transform: translate(2px, -2px); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; padding: 104px 0 48px; display: flex; align-items: center; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 500px); gap: clamp(40px, 6vw, 96px); align-items: center; }

/* route line background */
.routebg { position: absolute; inset: 0; z-index: 0; pointer-events: none; will-change: transform; }
.rt { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.rt-m { display: none; }
.rt path { fill: none; stroke-linecap: round; }
.rt-base { stroke: rgba(242, 238, 230, .07); stroke-width: 1; }
.rt-line { stroke: var(--accent); stroke-width: 1; opacity: .5; stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 4.2s var(--ease-io) .7s forwards; }
.rt-a { fill: var(--ink); opacity: 0; animation: fade 1s var(--ease) .6s forwards; }
.rt-b { fill: var(--accent); opacity: 0; animation: fade 1s var(--ease) 4.6s forwards; }
.rt-b-ring { fill: none; stroke: var(--accent); stroke-width: 1; opacity: 0; animation: ring 1.4s var(--ease) 4.6s forwards; }
.rt-dot { fill: var(--accent); opacity: 0; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes ring { from { opacity: 0; transform: scale(.4); } to { opacity: .6; transform: scale(1); } }
.rt-b-ring { transform-box: fill-box; transform-origin: center; }

/* monument */
.hero-copy { position: relative; }
.mono {
  display: flex; align-items: flex-start; gap: .02em; line-height: .74; margin-left: -.045em;
  font-family: var(--serif); font-weight: 300; letter-spacing: -.055em;
  font-size: clamp(11rem, 40vw, 26rem);
  font-variant-numeric: lining-nums;
  animation: monoIn 2.2s var(--ease) .15s both; will-change: transform;
}
.mono-num { position: relative; display: inline-block; padding-top: .1em; }
.mono-num .ghost { visibility: hidden; }
.mono-num .live { position: absolute; left: 0; right: 0; top: .06em; bottom: -.14em; padding-top: .04em; }
.mono-num .live, .mono-pct {
  background-image: linear-gradient(100deg, var(--ink) 0%, var(--ink) 34%, var(--accent) 50%, var(--ink) 66%, var(--ink) 100%);
  background-size: 300% 100%; background-position: 100% 0;
  -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
  animation: sweep 11s var(--ease-io) 1.8s infinite alternate;
}
.mono-pct { font-size: .38em; letter-spacing: 0; margin: .26em 0 0 .06em; line-height: 1; font-weight: 300; }
@keyframes sweep { from { background-position: 100% 0; } to { background-position: 0% 0; } }
@keyframes monoIn { from { opacity: 0; transform: translateY(40px) scale(.985); filter: blur(14px); } to { opacity: 1; transform: none; filter: blur(0); } }

.mono-cap {
  display: flex; align-items: center; gap: 16px; margin-top: clamp(20px, 3vw, 32px);
  font-size: .6875rem; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-2);
  animation: rise 1.2s var(--ease) 1s both;
}
.mono-cap::before { content: ""; width: 56px; height: 1px; background: var(--accent); transform-origin: left; animation: grow 1.4s var(--ease-io) 1s both; }
.mono-note { margin-top: 12px; font-size: .75rem; letter-spacing: .04em; color: var(--ink-3); animation: rise 1.2s var(--ease) 1.1s both; }

.h1 {
  margin-top: clamp(28px, 4vw, 48px);
  font-family: var(--serif); font-weight: 300; letter-spacing: -.025em; line-height: 1.02;
  font-size: clamp(2.5rem, 5.4vw, 4.5rem);
}
.h1 .w { display: inline-block; overflow: hidden; vertical-align: top; padding: 0 .08em .14em 0; margin-right: -.02em; }
.h1 .w > * { display: inline-block; animation: lift 1.3s var(--ease) calc(1.15s + var(--i) * .09s) both; }
.h1 em { font-style: italic; font-weight: 300; }
@keyframes lift { from { transform: translateY(105%) rotate(2deg); } to { transform: none; } }

.sub { margin-top: 20px; font-size: 1.0625rem; font-weight: 300; letter-spacing: .01em; color: var(--ink-2); animation: rise 1.2s var(--ease) 1.7s both; }

@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Price checker panel ---------- */
.panel {
  --mx: 50%; --my: 0%;
  position: relative; border-radius: 4px; isolation: isolate;
  background: linear-gradient(180deg, rgba(22, 22, 24, .62), rgba(14, 14, 16, .72));
  border: 1px solid var(--hair);
  backdrop-filter: blur(26px) saturate(1.15); -webkit-backdrop-filter: blur(26px) saturate(1.15);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .05) inset, 0 40px 80px -40px rgba(0, 0, 0, .9);
  animation: rise 1.4s var(--ease) 1.5s both;
}
.panel::before { /* cursor-lit surface */
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(217, 192, 138, .07), transparent 60%);
  opacity: 0; transition: opacity .6s var(--ease);
}
.panel::after { /* cursor-lit hairline */
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: radial-gradient(300px circle at var(--mx) var(--my), rgba(217, 192, 138, .6), transparent 62%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); mask-composite: exclude;
  opacity: 0; transition: opacity .6s var(--ease);
}
.panel:hover::before, .panel:hover::after, .panel:focus-within::before { opacity: 1; }
.panel-in { padding: 28px 36px 32px; }

.step-h { display: flex; align-items: baseline; gap: 12px; font-family: var(--sans); font-size: .6875rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-2); }
.step-h span { color: var(--accent); letter-spacing: .12em; }

.route-fields { position: relative; margin-top: 16px; display: grid; gap: 8px; }
.field { position: relative; }
.field label { display: block; font-size: .625rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); }
.field input {
  display: block; width: 100%; height: 44px; padding: 0 48px 0 0; margin: 0;
  background: transparent; border: 0; border-bottom: 1px solid var(--hair-2); border-radius: 0; outline: none;
  font-size: 1rem; font-weight: 300; letter-spacing: .005em; color: var(--ink); text-overflow: ellipsis;
  transition: border-color .4s var(--ease);
}
.field input::placeholder { color: rgba(242, 238, 230, .5); }
.field::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease); pointer-events: none; }
.field:focus-within::after { transform: scaleX(1); }
.field input:focus-visible { outline: none; }

.swap {
  position: absolute; right: -10px; top: 50%; z-index: 3; width: 44px; height: 44px; margin-top: -4px; transform: translateY(-50%);
  display: grid; place-items: center; background: none; border: 0; cursor: pointer; color: var(--ink-2); transition: color .4s;
}
.swap::before { content: ""; position: absolute; width: 32px; height: 32px; border: 1px solid var(--hair-2); border-radius: 50%; background: rgba(14, 14, 16, .9); transition: border-color .4s, transform .6s var(--ease); }
.swap svg { position: relative; }
.swap:hover { color: var(--accent); }
.swap:hover::before { border-color: var(--accent); transform: rotate(180deg); }

.sugg {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 20; margin-top: 4px; padding: 4px 0; max-height: 280px; overflow: auto;
  background: rgba(16, 16, 18, .98); border: 1px solid var(--hair-2); border-radius: 2px; box-shadow: 0 24px 48px -12px rgba(0, 0, 0, .8);
}
.sugg[hidden] { display: none; }
.sugg li { display: block; padding: 10px 16px; min-height: 44px; cursor: pointer; font-size: .875rem; line-height: 1.35; color: var(--ink-2); }
.sugg li b { display: block; font-weight: 400; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sugg li span { display: block; font-size: .75rem; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sugg li[aria-selected="true"], .sugg li:hover { background: rgba(217, 192, 138, .09); }
.fallback { margin-top: 8px; font-size: .75rem; color: var(--ink-2); }
.fallback[hidden] { display: none; }

.chips { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; margin: 20px 0 20px; }
.chip {
  position: relative; height: 32px; padding: 0; background: transparent; border: 1px solid var(--hair); border-radius: 2px;
  font-size: .625rem; font-weight: 500; letter-spacing: .1em; color: var(--ink-2); cursor: pointer;
  transition: border-color .4s var(--ease), color .4s var(--ease), background .4s var(--ease);
}
.chip::after { content: ""; position: absolute; inset: -6px -2px; }
.chip:hover { border-color: var(--hair-2); color: var(--ink); }
.chip[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); background: rgba(217, 192, 138, .06); }

.est span { margin-left: .35em; }
.est { display: inline-flex; align-items: center; min-height: 44px; margin: -12px 0; font-size: .75rem; letter-spacing: .04em; color: var(--ink-2); border-bottom: 1px solid transparent; transition: color .4s; }
.est:hover { color: var(--accent); }

.rule { height: 1px; background: var(--hair); margin: 20px 0; }
.step-row { display: flex; align-items: center; justify-content: space-between; }
.cur { display: inline-flex; border: 1px solid var(--hair); border-radius: 2px; }
.cur button { width: 44px; height: 32px; background: none; border: 0; cursor: pointer; font-size: .875rem; color: var(--ink-3); transition: color .4s, background .4s; }
.cur button + button { border-left: 1px solid var(--hair); }
.cur button[aria-pressed="true"] { color: var(--ink); background: rgba(242, 238, 230, .07); }
.cur button { position: relative; }
.cur button::after { content: ""; position: absolute; inset: -6px -1px; }

.price-field { position: relative; display: flex; align-items: baseline; gap: 8px; margin-top: 8px; border-bottom: 1px solid var(--hair-2); transition: border-color .4s; }
.price-field::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease); }
.price-field:focus-within::after { transform: scaleX(1); }
.panel[data-checked="true"][data-priced="false"] .price-field { animation: nudge 2.4s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { border-color: var(--hair-2); } 50% { border-color: rgba(217, 192, 138, .8); } }
.sym { font-family: var(--serif); font-size: 2.5rem; font-weight: 300; color: var(--ink-3); line-height: 1; }
.price-field input {
  flex: 1; min-width: 0; height: 60px; padding: 0; background: transparent; border: 0; outline: none; border-radius: 0;
  font-family: var(--serif); font-size: 2.75rem; font-weight: 300; letter-spacing: -.01em; color: var(--ink); -moz-appearance: textfield; appearance: textfield;
}
.price-field input::placeholder { color: rgba(242, 238, 230, .3); }
.price-field input::-webkit-outer-spin-button, .price-field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ledger */
.ledger { margin-top: 16px; }
.ledger .row { display: flex; align-items: baseline; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--hair); }
.ledger dt { font-size: .625rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); }
.ledger dd { font-family: var(--serif); font-size: 1.375rem; font-weight: 400; font-variant-numeric: lining-nums tabular-nums; color: var(--ink-2); }
.ledger .strike { text-decoration: line-through; text-decoration-thickness: 1px; text-decoration-color: rgba(242, 238, 230, .55); }
.ledger .main { padding: 12px 0 10px; }
.ledger .main dt { color: var(--ink); }
.ledger .main dd { font-size: 3rem; font-weight: 300; line-height: .95; letter-spacing: -.02em; color: var(--ink); }
.ledger .sv dd { font-style: italic; color: var(--ink); }
.ledger dd[data-empty="true"] { color: var(--ink-3); text-decoration: none; }
.helper { min-height: 20px; margin: 10px 0 14px; font-size: .75rem; letter-spacing: .02em; color: var(--ink-2); }
.panel[data-floor="true"] .helper { color: var(--ink); }

/* primary / secondary swap by state */
.panel[data-priced="true"] #checkBtn { background: transparent; color: var(--ink); border-color: var(--hair-2); }
.panel[data-priced="true"] #checkBtn:hover { border-color: var(--accent); color: var(--accent); }
.panel[data-priced="true"] #orderBtn { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.panel[data-priced="true"] #orderBtn:hover { background: #E6D2A3; border-color: #E6D2A3; }

/* ---------- Steps / timeline ---------- */
.steps { position: relative; z-index: 2; padding: clamp(96px, 14vw, 176px) 0 clamp(72px, 10vw, 128px); }
.tl { --p: 0; position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 clamp(24px, 4vw, 64px); }
.tl::before, .tl::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; }
.tl::before { background: var(--hair); }
.tl::after { background: var(--accent); transform-origin: left; transform: scaleX(var(--p)); }
.tl li { position: relative; padding-top: 40px; }
.node { position: absolute; top: -4px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 1px solid var(--hair-2); transition: border-color .8s var(--ease), background .8s var(--ease); }
.tl li.in .node { border-color: var(--accent); background: var(--accent); }
.n { display: block; font-size: .6875rem; letter-spacing: .24em; color: var(--ink-3); }
.tl h3 { margin-top: 20px; font-family: var(--serif); font-weight: 300; font-size: clamp(3rem, 6vw, 5.5rem); line-height: .95; letter-spacing: -.03em; }
.tl p { margin-top: 16px; font-size: .9375rem; font-weight: 300; color: var(--ink-2); }

/* ---------- Proof strip ---------- */
.strip { position: relative; z-index: 2; }
.strip ul { display: grid; grid-template-columns: .8fr .8fr .8fr 1.7fr 1.3fr; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.strip li { padding: 32px 16px; text-align: center; font-family: var(--serif); font-weight: 300; font-size: clamp(1.25rem, 2.2vw, 1.75rem); letter-spacing: .02em; color: var(--ink-2); }
.strip li + li { border-left: 1px solid var(--hair); }

/* ---------- Final CTA ---------- */
.final { position: relative; z-index: 2; padding: clamp(112px, 16vw, 208px) 0 clamp(88px, 12vw, 160px); text-align: center; }
.final h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(3rem, 9vw, 8rem); line-height: .96; letter-spacing: -.035em; }
.final h2 em { font-style: italic; }
.final-act { display: flex; flex-direction: column; align-items: center; gap: 32px; margin-top: clamp(40px, 6vw, 64px); }
.links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 32px; }
.links a { display: inline-flex; align-items: center; min-height: 44px; font-size: .8125rem; letter-spacing: .04em; color: var(--ink-2); transition: color .4s; }
.links a b { font-weight: 400; margin-left: .5em; color: var(--ink); border-bottom: 1px solid var(--hair-2); transition: border-color .4s; }
.links a:hover { color: var(--ink); }
.links a:hover b { border-color: var(--accent); }
.other { font-size: .6875rem; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-3); }
.pay { max-width: 38ch; font-size: .8125rem; line-height: 1.6; color: var(--ink-2); }

/* ---------- Footer ---------- */
.foot { position: relative; z-index: 2; border-top: 1px solid var(--hair); padding: 32px 0 40px; }
.foot .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.foot p { font-size: .75rem; color: var(--ink-3); }

/* ---------- Sticky mobile CTA ---------- */
.sticky { display: none; }

/* ---------- Scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity 1.2s var(--ease) calc(var(--d, 0) * .14s), transform 1.4s var(--ease) calc(var(--d, 0) * .14s); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 961px) {
  .mono { font-size: clamp(14rem, 27vw, 26rem); }
}
@media (max-width: 960px) {
  .hero { min-height: 0; padding: 112px 0 72px; display: block; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 56px; }
  .panel { max-width: 560px; }
}
@media (max-width: 760px) {
  .rt-d { display: none; }
  .rt-m { display: block; }
  .bar { height: 68px; }
  .brand-main { font-size: 1.25rem; letter-spacing: .32em; margin-right: -.32em; }
  .mono { font-size: clamp(9.5rem, 46vw, 14rem); }
  .panel-in { padding: 24px 20px 28px; }
  .chips { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .chip { height: 36px; }
  .ledger .main dd { font-size: 2.75rem; }
  .tl { grid-template-columns: 1fr; gap: 56px 0; padding-left: 32px; }
  .tl::before, .tl::after { right: auto; left: 0; top: 0; bottom: 0; width: 1px; height: auto; }
  .tl::after { transform-origin: top; transform: scaleY(var(--p)); }
  .tl li { padding: 0; }
  .node { top: 8px; left: -36px; }
  .tl h3 { margin-top: 8px; font-size: 3.5rem; }
  .tl p { margin-top: 8px; }
  .strip ul { grid-template-columns: repeat(2, 1fr); }
  .rt-line { opacity: .4; }
  .strip li:nth-child(3), .strip li:nth-child(5) { border-left: 0; }
  .strip li:nth-child(5) { grid-column: 1 / -1; }
  .strip li:nth-child(n+3) { border-top: 1px solid var(--hair); }
  .final h2 { font-size: clamp(3rem, 15vw, 5rem); }
  .foot { padding-bottom: 104px; }
  .btn-sm { padding: 0 14px; letter-spacing: .12em; }

  .sticky {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(10, 10, 11, .82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-top: 1px solid var(--hair);
    transform: translateY(110%); transition: transform .8s var(--ease);
  }
  .sticky.show { transform: none; }
}
@media (max-width: 380px) {
  .brand-main { font-size: 1.125rem; letter-spacing: .3em; margin-right: -.3em; }
  .btn-sm { font-size: .625rem; padding: 0 12px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .rt-line { stroke-dashoffset: 0; }
  .js .reveal { opacity: 1; transform: none; }
  .mono-num, .mono-pct { background-position: 50% 0; }
}