/* ───────────── Fonts ───────────── */
@font-face { font-family: "Geist"; src: url(/fonts/geist.woff2) format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url(/fonts/geist-mono.woff2) format("woff2"); font-weight: 400 600; font-display: swap; }

/* ───────────── Tokens ─────────────
   playful → a confetti set of six accent hues, one per relationship
   clear   → warm paper neutrals, wine ink for text, one filled button style
   honest  → mono labels for every number and step, nothing hidden            */
:root {
  /* neutrals, tinted toward wine */
  --paper: #fbf8f3;
  --paper-2: #f4eee7;
  --surface: #ffffff;
  --text: #3a2030;
  --muted: #6b5360;
  --line: #e7dcd9;
  --line-strong: #cdbcc0;
  --field: #93808a; /* 3:1 boundary for inputs and chips */

  /* primary */
  --wine: #7a2350;
  --wine-deep: #521636;
  --wine-hover: #8f2b5f;

  /* accent hues (strokes, fills, dots) */
  --coral: #e5683f;
  --marigold: #e9a825;
  --teal: #2a8f7a;
  --sky: #3d7fd6;
  --rose: #d6478a;

  /* text-safe versions of each hue on paper */
  --coral-ink: #a8401c;
  --marigold-ink: #845700;
  --teal-ink: #1b6a59;
  --sky-ink: #2a5ca8;
  --rose-ink: #a32d64;

  /* tinted fields */
  --blush: #f7e8ef;
  --peach: #fde9dc;
  --butter: #fcf1d6;
  --mint: #e2f2ec;
  --sky-tint: #e6effb;

  /* type: 1.333 scale from 16 */
  --font: "Geist", -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, monospace;
  --t-12: 12px; --t-14: 14px; --t-16: 16px; --t-18: 18px; --t-21: 21px; --t-28: 28px; --t-38: 38px; --t-50: 50px; --t-67: 67px;

  /* space: 4/8 base */
  --s-4: 4px; --s-8: 8px; --s-12: 12px; --s-16: 16px; --s-24: 24px; --s-32: 32px; --s-48: 48px; --s-64: 64px; --s-96: 96px; --s-128: 128px;

  /* radii: one family */
  --r-8: 8px; --r-14: 14px; --r-20: 20px; --r-28: 28px; --r-pill: 999px;

  /* motion */
  --fast: 160ms; --med: 280ms; --slow: 600ms;
  --ease-out: cubic-bezier(.2, .7, .2, 1);
  --ease: cubic-bezier(.4, 0, .2, 1);

  --gutter: clamp(20px, 4.5vw, 56px);
  --max: 1200px;
}

/* ───────────── Base ───────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--text); font: 400 var(--t-16)/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--wine); outline-offset: 3px; border-radius: var(--r-focus); }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -80px; z-index: 300; background: var(--wine); color: #fff; padding: var(--s-12) var(--s-18); border-radius: var(--r-pill); font: 500 var(--t-14) var(--mono); }
.skip:focus { top: 16px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

h1, h2, h3 { margin: 0; font-weight: 400; color: var(--wine); text-wrap: balance; }
h2 { font-size: clamp(var(--heading-min), 5vw, var(--t-67)); line-height: 1.04; letter-spacing: -0.035em; font-weight: 350; }
h3 { font-size: var(--t-28); line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0; }
.eyebrow { font: 500 var(--t-12)/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--wine); margin-bottom: var(--s-16); display: inline-flex; align-items: center; gap: var(--s-10); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--coral); transform: rotate(45deg); }
.lede { font-size: var(--t-18); color: var(--muted); max-width: 36em; }

/* ───────────── Buttons ───────────── */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--s-10);
  min-height: 46px; padding: var(--s-12) var(--s-24); border-radius: var(--r-pill); border: 0; cursor: pointer;
  font: 500 var(--t-13)/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none; white-space: nowrap;
  transition: transform var(--fast) var(--ease-out), background-color var(--fast) var(--ease), color var(--fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary { background: var(--wine); color: #fff; }
.btn-primary:hover { background: var(--wine-hover); }
.btn-ghost { background: var(--surface); color: var(--wine); }
.btn-ghost::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--angle), var(--coral), var(--marigold), var(--teal), var(--sky), var(--rose), var(--coral));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: border-spin 10s linear infinite;
}
.btn-ghost:hover { background: var(--blush); }
.btn-small { min-height: 40px; padding: var(--s-10) var(--s-16); font-size: var(--t-12); }
@property --angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes border-spin { to { --angle: 360deg; } }

/* ───────────── Header ───────────── */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: border-color var(--med) var(--ease); }
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--s-24); height: 68px; }
.wordmark { display: inline-flex; align-items: center; gap: var(--s-10); text-decoration: none; font-weight: 600; font-size: var(--s-20); letter-spacing: -0.03em; color: var(--wine); }
.wordmark svg { width: 26px; height: 26px; }
.site-header nav { display: flex; align-items: center; gap: var(--s-28); font-size: var(--t-14); }
.site-header nav a:not(.btn) { text-decoration: none; color: var(--text); transition: color var(--fast) var(--ease); }
.site-header nav a:not(.btn):hover { color: var(--wine); text-decoration: underline; text-underline-offset: 6px; }

/* ───────────── Hero ───────────── */
.hero { text-align: center; padding-top: var(--s-64); position: relative; }
.hero h1 { font-size: clamp(var(--hero-min), 8.4vw, var(--hero-max)); line-height: 0.98; letter-spacing: -0.045em; font-weight: 330; max-width: 11.5em; margin: 0 auto; }
.hero h1 .hl { color: var(--coral-ink); }
.hero .lede { margin: var(--s-24) auto 0; text-align: center; }
.hero .actions { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--s-12); margin-top: var(--s-32); }

/* occasions marquee */
.marquee { margin: var(--s-48) 0 0; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: var(--s-12); width: max-content; animation: marquee 46s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-set { display: flex; gap: var(--s-12); }
.marquee span { display: inline-flex; align-items: center; gap: var(--s-8); padding: var(--s-8) var(--s-14); border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--line); font-size: var(--t-14); color: var(--text); white-space: nowrap; }
.marquee span i { width: 8px; height: 8px; border-radius: 50%; display: block; }
@keyframes marquee { to { transform: translateX(calc(-50% - 6px)); } }

/* hero demo: a live workflow, like a product window */
.demo-stage { position: relative; margin-top: var(--s-48); padding-bottom: var(--s-96); }
.demo {
  position: relative; z-index: 2; max-width: 1040px; margin: 0 auto; text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-28);
  box-shadow: 0 1px 2px rgba(82, 22, 54, .06), 0 24px 60px -28px rgba(82, 22, 54, .28);
}
.demo-bar { display: flex; align-items: center; gap: var(--s-16); padding: var(--s-12) var(--s-18); border-bottom: 1px solid var(--line); }
.demo-bar .chip { font: 500 var(--t-11)/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; background: var(--wine); color: #fff; padding: 7px var(--s-10); border-radius: var(--r-pill); white-space: nowrap; }
.play { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--field); background: var(--surface); display: grid; place-items: center; cursor: pointer; flex: none; color: var(--wine); transition: background-color var(--fast) var(--ease); }
.play:hover { background: var(--blush); }
.play svg { width: 12px; height: 12px; }
.scrubber { flex: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); min-width: 0; }
.scrubber button { appearance: none; border: 0; padding: var(--s-8) 0; background: none; cursor: pointer; text-align: left; min-width: 0; min-height: 40px; }
.scrubber .track { display: block; height: 4px; border-radius: 2px; background: var(--paper-2); overflow: hidden; }
.scrubber .fill { display: block; height: 100%; width: 0; background: var(--wine); border-radius: 2px; }
.scrubber .lbl { display: block; font: 500 var(--t-11)/1.3 var(--mono); letter-spacing: .04em; color: var(--muted); margin-top: var(--s-8); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scrubber button[aria-current="true"] .lbl { color: var(--wine); }
.demo-time { font: 500 var(--t-12) var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.demo-body { display: grid; grid-template-columns: 230px minmax(0, 1fr); min-height: 260px; }
.demo-side { border-right: 1px solid var(--line); padding: var(--s-22) var(--s-18); background: var(--paper); border-bottom-left-radius: var(--r-28); }
.demo-side .q { font: 500 var(--t-11)/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 var(--s-8); }
.demo-side .a { font-size: var(--t-14); color: var(--text); margin: 0 0 var(--s-18); display: flex; align-items: center; gap: var(--s-8); }
.demo-side .a i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.demo-main { padding: var(--s-28); display: flex; align-items: center; min-width: 0; }

/* ───────────── Workflow chain (signature) ───────────── */
.chain { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; width: 100%; min-width: 0; }
.step {
  --c: var(--wine); --tint: var(--blush);
  position: relative; display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; align-items: center; gap: var(--s-12);
  padding: var(--s-12) var(--s-14); background: var(--surface); border: 1px solid color-mix(in srgb, var(--c) 45%, var(--line)); border-radius: var(--r-14);
}
.step .ico { width: 34px; height: 34px; border-radius: var(--r-icon); background: var(--tint); color: var(--c); display: grid; place-items: center; }
.step .ico svg { width: 18px; height: 18px; }
.step .k { display: block; font: 500 var(--t-micro)/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 5px; }
.step .t { display: block; font-size: var(--t-14); line-height: 1.3; color: var(--text); }
.step .v { font: 500 var(--t-14) var(--mono); color: var(--text); font-variant-numeric: tabular-nums; white-space: nowrap; }
.step.result-step { background: var(--wine); border-color: var(--wine); padding: var(--s-16) var(--s-18); }
.step.result-step .ico { background: rgba(255,255,255,.16); color: #fff; }
.step.result-step .k { color: rgba(255,255,255,.8); }
.step.result-step .t { color: #fff; }
.step.result-step .v { font: 400 var(--t-28)/1 var(--font); letter-spacing: -0.03em; color: #fff; }
.link { position: relative; height: 22px; margin-left: 30px; width: 2px; flex: none; }
.link::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, var(--line-strong) 0 4px, transparent 4px 8px); animation: flow-v .9s linear infinite; }
@keyframes flow-v { from { background-position: 0 0; } to { background-position: 0 8px; } }

/* horizontal chain inside the hero demo (wide screens) */
.chain.horizontal { flex-direction: row; align-items: stretch; }
.chain.horizontal .step { grid-template-columns: 1fr; grid-template-rows: auto auto auto; align-content: start; gap: var(--s-10); padding: var(--s-14); flex: 0 1 172px; min-width: 0; }
.chain.horizontal .step .ico { width: 30px; height: 30px; }
.chain.horizontal .step .t { min-height: 2.6em; }
.chain.horizontal .step.result-step { flex: 0 1 196px; }
.chain.horizontal .link { height: auto; width: var(--s-18); margin: 0; align-self: center; height: 2px; }
.chain.horizontal .link::before { background: repeating-linear-gradient(to right, var(--line-strong) 0 4px, transparent 4px 8px); animation-name: flow-h; }
@keyframes flow-h { from { background-position: 0 0; } to { background-position: 8px 0; } }

.step.enter { animation: step-in 420ms var(--ease-out) both; }
@keyframes step-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.step.pulse { animation: pulse 520ms var(--ease-out); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c) 40%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }

/* hue themes */
.c-sky { --c: var(--sky); --ci: var(--sky-ink); --tint: var(--sky-tint); }
.c-teal { --c: var(--teal); --ci: var(--teal-ink); --tint: var(--mint); }
.c-marigold { --c: var(--marigold); --ci: var(--marigold-ink); --tint: var(--butter); }
.c-coral { --c: var(--coral); --ci: var(--coral-ink); --tint: var(--peach); }
.c-rose { --c: var(--rose); --ci: var(--rose-ink); --tint: var(--blush); }
.c-wine { --c: var(--wine); --ci: var(--wine); --tint: var(--blush); }
.step.c-marigold .ico { color: var(--marigold-ink); }

/* ───────────── Gift bed (illustration cluster) ───────────── */
.bed { position: absolute; z-index: 1; pointer-events: none; }
.bed-inner { position: relative; width: 100%; height: 100%; }
.bed svg { position: absolute; overflow: visible; }
.bed .float { animation: bob var(--d, 7s) ease-in-out infinite alternate; }
@keyframes bob { from { transform: translateY(0) rotate(var(--r0, 0deg)); } to { transform: translateY(-10px) rotate(var(--r1, 4deg)); } }
.bed-left { left: max(-40px, calc(50% - 680px)); bottom: -6px; width: 300px; height: 260px; }
.bed-right { right: max(-40px, calc(50% - 690px)); bottom: -16px; width: 320px; height: 290px; }
@supports (animation-timeline: view()) {
  .bed-inner { animation: drift linear both; animation-timeline: view(); animation-range: entry 0% exit 100%; }
  @keyframes drift { from { transform: translateY(24px); } to { transform: translateY(-36px); } }
}

/* ───────────── Sections ───────────── */
section { scroll-margin-top: 84px; }
.section { padding-top: var(--s-128); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-32); margin-bottom: var(--s-48); flex-wrap: wrap; }
.section-head .lede { max-width: 30em; font-size: var(--t-16); }

/* ───────────── Calculator ───────────── */
.calc { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: var(--s-32); align-items: start; }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-28); padding: var(--s-8) var(--s-32); }
.q { border: 0; margin: 0; padding: var(--s-24) 0; border-bottom: 1px solid var(--line); min-width: 0; }
.q:last-child { border-bottom: 0; }
.q legend { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-10); padding: 0; margin-bottom: var(--s-8); font-size: var(--t-18); font-weight: 500; color: var(--text); letter-spacing: -0.01em; }
.q legend .n { font: 500 var(--t-12) var(--mono); color: var(--muted); letter-spacing: .04em; }
.q legend .opt { font: 500 var(--t-11) var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line-strong); border-radius: var(--r-pill); padding: 3px var(--s-8); }
.hint { font-size: var(--t-14); color: var(--muted); margin: 0 0 var(--s-12); }

.chips { display: flex; flex-wrap: wrap; gap: var(--s-8); }
.chips label { position: relative; cursor: pointer; }
.chips input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chips span {
  --c: var(--wine); --ci: var(--wine);
  display: inline-flex; align-items: center; gap: var(--s-8); min-height: 44px; padding: var(--s-10) var(--s-16); border-radius: var(--r-pill);
  border: 1px solid var(--field); background: var(--surface); font-size: var(--t-14); line-height: 1.2; user-select: none;
  transition: background-color var(--fast) var(--ease), border-color var(--fast) var(--ease), color var(--fast) var(--ease), transform var(--fast) var(--ease-out);
}
.chips span i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); flex: none; transition: background-color var(--fast) var(--ease); }
.chips label:hover span { border-color: var(--ci); }
.chips input:active + span { transform: scale(.97); }
.chips input:checked + span { background: var(--ci); border-color: var(--ci); color: #fff; }
.chips input:checked + span i { background: #fff; }
.chips input:focus-visible + span { outline: 2px solid var(--wine); outline-offset: 3px; }

.select { position: relative; }
.select::after { content: ""; position: absolute; right: 18px; top: 50%; width: 8px; height: 8px; border-right: 1.5px solid var(--wine); border-bottom: 1.5px solid var(--wine); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
select, input[type=number] {
  font: 400 var(--t-16)/1.2 var(--font); color: var(--text); background: var(--surface);
  border: 1px solid var(--field); border-radius: var(--r-14); padding: var(--s-12) var(--s-14); min-height: 46px;
  transition: border-color var(--fast) var(--ease);
}
select:hover, input[type=number]:hover { border-color: var(--wine); }
select { width: 100%; appearance: none; padding-right: 44px; cursor: pointer; }
.money { position: relative; display: inline-block; }
.money::before { content: "$"; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.money input { padding-left: 28px; width: 150px; }
input.year { width: var(--hero-max); }
.field-error { display: none; font-size: var(--t-14); color: var(--coral-ink); margin: 0 0 var(--s-12); }
.field-error.show { display: block; }
input[aria-invalid="true"] { border-color: var(--coral-ink); }

.range-row { display: flex; align-items: center; gap: var(--s-16); }
input[type=range] { flex: 1; min-width: 0; accent-color: var(--wine); height: 32px; cursor: pointer; }
.val { font: 500 var(--t-14) var(--mono); min-width: 74px; text-align: right; color: var(--text); font-variant-numeric: tabular-nums; }

.toggle { display: flex; align-items: center; gap: var(--s-12); min-height: 44px; cursor: pointer; font-size: var(--t-16); }
.toggle input { accent-color: var(--wine); width: var(--s-20); height: var(--s-20); margin: 0; flex: none; cursor: pointer; }
.reveal-panel { display: none; padding: var(--s-8) 0 var(--s-4) var(--s-32); }
.reveal-panel.open { display: block; animation: step-in 280ms var(--ease-out) both; }
.reveal-panel .line { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-12); margin-bottom: var(--s-12); font-size: var(--t-16); }

/* result */
.result { position: sticky; top: 88px; background: var(--paper-2); border-radius: var(--r-28); padding: var(--s-32); }
.result .k { font: 500 var(--t-12)/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.amount { font-size: clamp(var(--s-64), 7.6vw, var(--amount-max)); line-height: 1; letter-spacing: -0.05em; font-weight: 330; color: var(--wine); margin: var(--s-12) 0 var(--s-8); font-variant-numeric: tabular-nums; }
.range-text { font: 500 var(--t-14) var(--mono); color: var(--muted); }
.result .chain { margin-top: var(--s-24); }
.result-actions { display: flex; flex-wrap: wrap; gap: var(--s-12); align-items: center; margin-top: var(--s-24); }
.copied { font: 500 var(--t-12) var(--mono); color: var(--teal-ink); opacity: 0; transition: opacity var(--med) var(--ease); }
.copied.show { opacity: 1; }
.note { margin-top: var(--s-16); background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--marigold); border-radius: var(--r-14); padding: var(--s-14) var(--s-16); font-size: var(--t-14); line-height: 1.55; }
.note p + p { margin-top: var(--s-8); }
.note:empty { display: none; }

/* mobile sticky summary */
.mbar { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 60; display: none; align-items: center; justify-content: space-between; gap: var(--s-12); padding: var(--s-8) var(--s-8) var(--s-8) var(--s-20); border-radius: var(--r-pill); background: var(--wine); color: #fff; box-shadow: 0 12px 30px -10px rgba(82, 22, 54, .5); transform: translateY(160%); transition: transform var(--med) var(--ease-out); }
.mbar.show { transform: none; }
.mbar .k { font: 500 var(--t-11)/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.8); display: block; }
.mbar strong { display: block; font-size: var(--t-21); font-weight: 450; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.mbar .btn { background: #fff; color: var(--wine); }

/* ───────────── Relationship guide ───────────── */
.guide { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-16); }
.gcard { position: relative; display: flex; flex-direction: column; gap: var(--s-8); padding: var(--s-24); border: 1px solid var(--c); border-radius: var(--r-20); background: var(--surface); min-height: 250px; transition: transform var(--med) var(--ease-out), background-color var(--med) var(--ease); }
.gcard:hover { transform: translateY(-3px); background: var(--tint); }
.gcard .gico { width: 52px; height: 52px; color: var(--c); margin-bottom: auto; }
.gcard h3 { color: var(--ci); margin-top: var(--s-24); }
.gcard .grange { font: 500 var(--t-14) var(--mono); color: var(--ci); font-variant-numeric: tabular-nums; }
.gcard p { font-size: var(--t-14); color: var(--muted); }
.gcard button { align-self: flex-start; margin-top: var(--s-4); background: none; border: 0; padding: var(--s-10) 0; min-height: 44px; cursor: pointer; font: 500 var(--t-12) var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ci); display: inline-flex; gap: var(--s-8); align-items: center; }
.gcard button::after { content: "→"; transition: transform var(--fast) var(--ease-out); }
.gcard button:hover::after { transform: translateX(4px); }

/* ───────────── How it works ───────────── */
.field { border-radius: var(--r-28); padding: clamp(var(--s-32), 5vw, var(--s-64)); position: relative; overflow: hidden; }
.field-blush { background: var(--blush); }
.how { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: var(--s-48); align-items: start; }
.how .lede { color: var(--text); margin-top: var(--s-16); }
.how-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-32); }
.how-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: var(--s-16); }
.how-list .badge { width: 44px; height: 44px; border-radius: var(--r-icon); background: var(--surface); color: var(--wine); display: grid; place-items: center; font: 500 var(--t-14) var(--mono); }
.how-list h3 { font-size: var(--t-21); color: var(--wine-deep); font-weight: 500; margin-bottom: var(--s-6); letter-spacing: -0.01em; }
.how-list p { color: var(--text); }
.how-art { position: absolute; right: 28px; bottom: -14px; width: 150px; opacity: .9; pointer-events: none; }

/* ───────────── State rows ───────────── */
.rows { border-top: 1px solid var(--line-strong); }
.row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.7fr) minmax(0, 1.6fr) 170px; gap: var(--s-20); align-items: center; padding: var(--s-16) 0; border-bottom: 1px solid var(--line); }
.row.head { font: 500 var(--t-12) var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: var(--s-12) 0; }
.row .state { font-size: var(--t-21); letter-spacing: -0.015em; color: var(--text); display: flex; align-items: center; gap: var(--s-10); flex-wrap: wrap; }
.row .tag { font: 500 var(--t-micro) var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--coral-ink); border: 1px solid var(--coral); border-radius: var(--r-pill); padding: 3px var(--s-8); }
.row .amt { font: 500 var(--t-16) var(--mono); font-variant-numeric: tabular-nums; }
.row .act { justify-self: end; }
.bar-cell { display: block; min-width: 0; }
.bar { display: block; position: relative; height: 10px; border-radius: var(--r-bar); background: var(--paper-2); }
.bar b { position: absolute; left: 0; top: 0; bottom: 0; border-radius: var(--r-bar); background: var(--c); width: 0; transition: width 900ms var(--ease-out); }
.bar .nat { position: absolute; top: -5px; bottom: -5px; width: 2px; margin-left: -1px; background: var(--text); opacity: .55; }
.rows.in .bar b { width: var(--w); }
.row .pct { display: block; font: 500 var(--t-12) var(--mono); color: var(--muted); margin-top: var(--s-6); }
.row.selected { background: var(--blush); border-radius: var(--r-14); padding-left: var(--s-14); padding-right: var(--s-14); margin: 0 -14px; border-bottom-color: transparent; }
.row .btn-ghost[aria-pressed="true"] { background: var(--wine); color: #fff; }
.row .btn-ghost[aria-pressed="true"]::before { display: none; }
.fine { font-size: var(--t-14); color: var(--muted); margin-top: var(--s-24); max-width: 62em; }

/* ───────────── FAQ ───────────── */
.faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: var(--s-48); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--s-24); padding: var(--s-20) 0; font-size: var(--t-18); font-weight: 500; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line-strong); background: linear-gradient(var(--wine), var(--wine)) center/12px 1.5px no-repeat, linear-gradient(var(--wine), var(--wine)) center/1.5px 12px no-repeat; transition: transform var(--med) var(--ease-out), background-color var(--fast) var(--ease); }
.faq summary:hover::after { background-color: var(--blush); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 var(--s-48) var(--s-22) 0; max-width: 42em; }

/* ───────────── Closing ───────────── */
.closing { padding-top: var(--s-128); text-align: center; position: relative; }
.big-type {
  font-size: clamp(var(--closing-min), 16.5vw, var(--closing-max)); line-height: .92; letter-spacing: -0.06em; font-weight: 600; margin: 0; padding-bottom: .06em;
  color: var(--wine);
  background: repeating-linear-gradient(115deg, var(--wine) 0 12px, #9b3468 12px 14px);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: stripes 40s linear infinite;
}
@keyframes stripes { to { background-position: -280px 0; } }
.closing .lede { margin: var(--s-24) auto var(--s-32); }
.closing-row { display: flex; justify-content: center; gap: var(--s-24); margin-bottom: var(--s-24); }
.closing-row svg { width: 54px; height: 54px; }
.site-footer { margin-top: var(--s-96); padding: var(--s-32) 0 var(--s-48); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--s-32); font-size: var(--t-14); color: var(--muted); text-align: left; }
.site-footer h4 { margin: 0 0 var(--s-10); font: 500 var(--t-12) var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-6); }
.site-footer a { text-underline-offset: 4px; }
.site-footer a:hover { color: var(--wine); }
.site-footer .wordmark { margin-bottom: 10px; }

/* scroll reveal (only when JS is running) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--slow) var(--ease-out), transform var(--slow) var(--ease-out); }
.js .reveal.in { opacity: 1; transform: none; }

/* ───────────── Responsive ───────────── */
@media (max-width: 1080px) {
  .guide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-body { grid-template-columns: 1fr; }
  .demo-side { border-right: 0; border-bottom: 1px solid var(--line); border-bottom-left-radius: 0; display: flex; flex-wrap: wrap; gap: var(--s-6) var(--s-20); padding: var(--s-14) var(--s-18); }
  .demo-side .q { display: none; }
  .demo-side .a { margin: 0; }
  .bed { transform: scale(.7); }
  .bed-left { transform-origin: bottom left; }
  .bed-right { transform-origin: bottom right; }
}
@media (max-width: 860px) {
  .calc { grid-template-columns: 1fr; }
  .result { position: static; }
  .mbar { display: flex; }
  .how, .faq { grid-template-columns: 1fr; gap: var(--s-32); }
  .row { grid-template-columns: minmax(0, 1fr) auto; row-gap: var(--s-12); }
  .row .bar-cell { grid-column: 1 / -1; }
  .row.head { display: none; }
  .row .act { grid-column: 1 / -1; justify-self: start; }
  .site-header nav a:not(.btn) { display: none; }
  .how-art { display: none; }
}
@media (max-width: 760px) {
  .chain.horizontal { flex-direction: column; }
  .chain.horizontal .step { grid-template-columns: 34px minmax(0, 1fr) auto; grid-template-rows: auto; gap: var(--s-12); padding: var(--s-12) var(--s-14); }
  .chain.horizontal .step .ico { width: 34px; height: 34px; }
  .chain.horizontal .step .t { min-height: 0; }
  .chain.horizontal .link { width: 2px; height: 18px; margin-left: 30px; align-self: flex-start; }
  .chain.horizontal .link::before { background: repeating-linear-gradient(to bottom, var(--line-strong) 0 4px, transparent 4px 8px); animation-name: flow-v; }
  .demo-main { padding: var(--s-18); }
  .demo-time { display: none; }
  .bed { display: none; }
  .demo-stage { padding-bottom: var(--s-48); }
  .form { padding: var(--s-4) var(--s-24); }
  .result { padding: var(--s-24); }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .guide { grid-template-columns: 1fr; }
  .gcard { min-height: 0; }
  .section { padding-top: var(--s-96); }
  .hero { padding-top: var(--s-48); }
  .demo-bar .chip { display: none; }
  .faq details p { padding-right: 0; }
  .site-header .btn { padding: var(--s-10) var(--s-14); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .marquee { -webkit-mask: none; mask: none; }
  .marquee-track { width: auto; justify-content: center; }
  .marquee-set { flex-wrap: wrap; justify-content: center; }
  .marquee-set[aria-hidden="true"] { display: none; }
  .btn:hover, .gcard:hover { transform: none; }
  .rows .bar b { width: var(--w); }
}
.site-footer li a { display: inline-block; padding: 3px 0; }
/* fieldset puts its padding below the legend; float the legend so spacing follows the scale */
.q legend { float: left; width: 100%; }
.q legend + * { clear: both; }
@media (prefers-reduced-motion: reduce) and (max-width: 560px) {
  .marquee-set span:nth-child(n+5) { display: none; }
}

/* Review refinements: clear result states, reachable targets, quieter guidance. */
:root { --target: 44px; --hero-max: 104px; --amount-max: 96px; --t-13: 13px; --t-micro: 10.5px; --r-icon: 10px; --r-focus: 6px; --r-bar: 5px; --s-10: 10px; --s-14: 14px; --s-18: 18px; --s-20: 20px; --s-22: 22px; --s-28: 28px; }
.btn-small, .wordmark, .site-header nav a, .site-footer li a, .demo-play, #scrubber button, .skip { min-height: var(--target); }
.site-footer li a { display: inline-flex; align-items: center; }
input[type=range] { height: var(--target); }
#demoPlay { width: var(--target); height: var(--target); }
.privacy { margin: var(--s-16) 0; }
.result-status { font-size: var(--t-14); margin-top: var(--s-12); color: var(--muted); }
.math-details { margin: var(--s-16) 0; font-size: var(--t-14); color: var(--muted); }
.math-details summary, .note summary, .how-list summary, .hero details summary { cursor: pointer; min-height: var(--target); display: flex; align-items: center; text-decoration: underline; text-underline-offset: 4px; }
.math-details p { margin-bottom: var(--s-16); }
.btn:disabled { opacity: .6; cursor: default; transform: none; }
#mbarRange { display: block; font-size: var(--t-12); }
.guide { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--s-32); }
.gcard { display: grid; grid-template-columns: 52px minmax(0, 1fr); align-content: start; column-gap: var(--s-16); padding: var(--s-24) 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; min-height: 0; }
.gcard:hover { transform: none; background: transparent; }
.gcard .gico { grid-row: 1 / span 4; margin: 0; }
.gcard h3 { margin: 0; font-size: var(--t-21); }
.gcard .grange, .gcard p, .gcard button { grid-column: 2; }
.gcard button { justify-self: start; }
.hero details { color: var(--muted); max-width: 36em; margin: var(--s-8) auto 0; font-size: var(--t-14); }
.hero details summary { justify-content: center; }
@media(max-width: 760px) {
  .guide { grid-template-columns: 1fr; }
  .step.result-step > span:nth-child(2) { display: contents; }
  .step.result-step .ico { grid-row: 1; grid-column: 1; }
  .step.result-step .k { grid-row: 1; grid-column: 2; margin: 0; }
  .step.result-step .v { grid-row: 1; grid-column: 3; }
  .step.result-step .t { grid-row: 2; grid-column: 1 / -1; text-align: center; }
}

.editorial-details { color: var(--muted); font-size: var(--t-14); margin-top: var(--s-8); }
.editorial-details summary { min-height: var(--target); display: flex; align-items: center; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.closing .editorial-details { max-width: 36em; margin-inline: auto; }
.closing .editorial-details summary { justify-content: center; }

:root { --t-11: 11px; --s-6: 6px; --hero-min: 48px; --heading-min: 36px; --closing-min: 72px; --closing-max: 228px; }