/* Hallmark · route: custom (bespoke) · structure: a street crossing — signal → price board → staircase → the street → route → don't-walk
 * idea: "every price is quoted in steps" — the sole is the currency sign; black signal heads and boards sit on lime and paper
 * paper: oklch(97.8% 0.018 115) · accent: oklch(93.1% 0.229 123) lime (measured on robinhood.com) · ink: oklch(16.5% 0.013 85)
 * display: Big Shoulders Display · body: Archivo · outlier: Doto (LED readouts: tape + price board)
 * axes: light / display-condensed / chromatic-lime · nav: N12 banner + retract · footer: Ft5 statement + wordmark
 * context: explicit (user: "robinstep", Robinhood's lime-light theme) · pre-emit critique: P5 H5 E4 S5 R4 V5
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 6px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: var(--space-sm); top: -80px; z-index: 50;
  padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm);
  background: var(--color-ink); color: var(--color-lime); font-weight: 700; text-decoration: none;
}
.skip:focus-visible { top: var(--space-sm); }

.wrap { width: min(1240px, 100% - 2 * clamp(20px, 5vw, 56px)); margin-inline: auto; }
.band--lime { background: var(--color-lime); }
.band--paper-2 { background: var(--color-paper-2); }

/* ── display type ───────────────────────────────────────── */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.004em;
  line-height: 1;
  overflow-wrap: anywhere;
  min-width: 0;
}
.h2 { font-size: var(--text-3xl); }
.lede { color: var(--color-ink-2); font-size: var(--text-lg); line-height: 1.45; max-width: 46ch; }
.fine { color: var(--color-muted); font-size: var(--text-sm); line-height: 1.5; }
.num { font-variant-numeric: tabular-nums; }

/* ── buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2xs);
  min-height: 52px; padding: 0 24px; border: 0; border-radius: var(--radius-pill);
  font-family: var(--font-body); font-weight: 750; font-size: 1rem; letter-spacing: -0.005em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--ink { background: var(--color-ink); color: var(--color-lime); }
.btn--ghost { background: transparent; color: var(--color-ink); box-shadow: inset 0 0 0 1.5px var(--color-ink); }
@media (hover: hover) and (pointer: fine) {
  .btn--ink:hover { background: var(--color-night-3); }
  .btn--ghost:not([aria-disabled="true"]):hover { background: var(--color-card); }
}
.btn:active { transform: translateY(1px); }
.btn[aria-disabled="true"] { cursor: default; }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: 0.9375rem; }
.btn--sm .hide-xs { margin-left: -4px; }
.btn .soon {
  font-family: var(--font-display); font-weight: 800; font-size: 0.875rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--led-dont); background: var(--color-ink);
  padding: 2px 8px; border-radius: 6px;
}
.ss { display: inline-block; width: 0.6em; height: 1em; vertical-align: -0.14em; margin-right: 0.16em; fill: currentColor; overflow: visible; }

/* ── header: black LED tape + lime bar; the tape tucks away on scroll ─── */
.hdr {
  --tape-h: 36px;
  position: sticky; top: 0; z-index: 30;
  background: var(--color-lime);
  box-shadow: 0 1px 0 var(--color-rule-lime);
  transition: transform var(--dur-long) var(--ease-out);
}
.hdr.is-tucked { transform: translateY(calc(-1 * var(--tape-h))); }
.tape {
  height: var(--tape-h); overflow: hidden; position: relative;
  background-color: var(--color-night);
  background-image: radial-gradient(circle, var(--led-off) 1.1px, transparent 1.5px);
  background-size: 5px 5px;
}
.tape__track {
  display: flex; width: max-content; height: 100%; align-items: center;
  animation: tape 70s linear infinite;
}
.tape:hover .tape__track, .tape.is-paused .tape__track { animation-play-state: paused; }
@keyframes tape { to { transform: translateX(-50%); } }
.tape__item {
  display: inline-flex; gap: var(--space-2xs); align-items: baseline; padding-inline: var(--space-md);
  font-family: var(--font-led); font-weight: 800; font-size: 0.9375rem; letter-spacing: 0.04em;
  white-space: nowrap; color: var(--color-on-night-2);
}
.tape__item .px { color: var(--led-lime); }
.tape__item .up { color: var(--led-up); }
.tape__item .down { color: var(--led-down); }
.tape__pause {
  position: absolute; right: 0; top: 0; bottom: 0; width: 44px; display: grid; place-items: center;
  border: 0; cursor: pointer; color: var(--color-on-night-2);
  background: var(--color-night); box-shadow: -12px 0 12px var(--color-night);
  transition: color var(--dur-short) var(--ease-out);
}
.tape__pause svg { width: 14px; height: 14px; }
.tape__pause .play { display: none; }
.tape.is-paused .tape__pause .play { display: block; }
.tape.is-paused .tape__pause .pause { display: none; }
@media (hover: hover) { .tape__pause:hover { color: var(--color-on-night); } }
.tape__pause:active { color: var(--led-lime); }
.tape__pause:focus-visible { outline-color: var(--color-lime); outline-offset: -3px; }

.bar { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.lockup { display: inline-flex; align-items: center; color: var(--color-ink); text-decoration: none; }
.lockup svg { height: 26px; width: auto; flex: none; }
.mark-fill { fill: var(--color-ink); }
.hide-xs { display: none; }
@media (min-width: 26rem) { .hide-xs { display: inline; } }
.nav { display: none; gap: var(--space-lg); }
.nav a {
  color: var(--color-ink-2); text-decoration: none; font-weight: 600; font-size: 0.9375rem; white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out);
}
.nav a:hover { color: var(--color-ink); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
.nav a:active { color: var(--color-muted); }
.bar__right { display: flex; align-items: center; gap: var(--space-md); }
.walked {
  display: none; align-items: baseline; gap: var(--space-2xs);
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: 0.08em;
  color: var(--color-ink-2); text-transform: uppercase; white-space: nowrap;
}
.walked b { color: var(--color-ink); font-weight: 900; min-width: 5ch; text-align: right; font-variant-numeric: tabular-nums; }
.walked i { font-style: normal; }
@media (min-width: 60rem) { .nav { display: flex; } }
@media (min-width: 75rem) { .walked { display: inline-flex; } }

/* ── hero: the signal, on lime ─────────────────────────── */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl);
  padding-block: clamp(40px, 7vw, 104px) clamp(72px, 10vw, 152px);
  align-items: center;
}
/* 'BUY STOCKS.' measures 4.78em in Big Shoulders 900 — size so it always fits one line */
.hero h1 { font-size: clamp(3.2rem, 18vw, 9rem); }
.hero h1 .walk { display: inline-block; line-height: 0.86; padding: 0.07em 0.06em 0; color: var(--color-lime); background: var(--color-ink); }
.hero .lede { margin-top: var(--space-lg); }
.ctas { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-lg); }
.hero .fine { margin-top: var(--space-sm); max-width: 60ch; color: var(--color-ink-2); }

.signal { position: relative; justify-self: center; width: min(100%, 460px); }
.signal__head {
  display: flex; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 32px);
  padding: clamp(16px, 4vw, 32px); border-radius: 30px;
  background: var(--color-night-2);
  box-shadow: inset 0 0 0 1px var(--color-night-3), 0 50px 90px -50px var(--color-ink);
}
.signal__count { display: flex; flex-direction: column; gap: var(--space-sm); }
.signal__label {
  font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-on-night-2);
}
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2xs); margin-top: var(--space-md); }
.chip {
  display: inline-flex; align-items: baseline; gap: var(--space-2xs); padding: var(--space-2xs) var(--space-sm); border-radius: var(--radius-pill);
  background: var(--color-ink); color: var(--color-on-night);
  font-weight: 700; font-size: 0.9375rem; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.chip b { font-weight: 800; letter-spacing: 0.02em; }
.chip .up { color: var(--led-up); }
.chip .down { color: var(--led-down); }

@media (min-width: 60rem) {
  .hero { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
  .hero h1 { font-size: min(9.5vw, 8.6rem); }
  .signal { justify-self: end; }
  .chips { position: absolute; inset: 0; display: block; margin: 0; pointer-events: none; }
  .chip { position: absolute; }
  .chip:nth-child(1) { top: -26px; left: -34px; }
  .chip:nth-child(2) { top: 22%; right: -42px; }
  .chip:nth-child(3) { bottom: 16%; left: -58px; }
  .chip:nth-child(4) { bottom: -24px; right: 8%; }
}

/* ── section rhythm ─────────────────────────────────────── */
.sec { padding-block: clamp(72px, 11vw, 168px); }
.sec + .sec { border-top: var(--rule-hair) solid var(--color-rule); }
.sec__head { display: grid; gap: var(--space-md); max-width: 62rem; }

/* the crossing: white bars on asphalt */
.zebra {
  height: 56px;
  background-color: var(--color-night);
  background-image: repeating-linear-gradient(90deg, var(--color-paper) 0 46px, transparent 46px 92px);
  background-size: 100% 36px; background-position: 0 50%; background-repeat: no-repeat;
}

/* ── prices: the board ─────────────────────────────────── */
.prices { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); align-items: start; }
.walk-ctl { display: grid; gap: var(--space-sm); align-content: start; }
.walk-ctl label { font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); text-transform: uppercase; line-height: 1; }
.walk-ctl output { background: var(--color-lime); padding: 0 0.12em; }
.walk-ctl .steps { font-size: var(--text-lg); color: var(--color-ink-2); }
.walk-ctl .steps b { color: var(--color-ink); font-weight: 800; }

input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 44px; background: transparent; cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 8px; border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-ink) 0 var(--fill, 25%), var(--color-rule) var(--fill, 25%) 100%);
}
input[type="range"]::-moz-range-track { height: 8px; border-radius: var(--radius-pill); background: var(--color-rule); }
input[type="range"]::-moz-range-progress { height: 8px; border-radius: var(--radius-pill); background: var(--color-ink); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 28px; height: 28px; margin-top: -10px; border-radius: 50%;
  background: var(--color-lime); box-shadow: 0 0 0 3px var(--color-ink);
  transition: transform var(--dur-micro) var(--ease-out);
}
input[type="range"]::-moz-range-thumb {
  width: 28px; height: 28px; border: 0; border-radius: 50%; background: var(--color-lime);
  box-shadow: 0 0 0 3px var(--color-ink);
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.06); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(0.96); }
input[type="range"]:focus-visible { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--color-ink), 0 0 0 7px var(--color-lime), 0 0 0 9px var(--color-ink); }
input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 3px var(--color-ink), 0 0 0 7px var(--color-lime), 0 0 0 9px var(--color-ink); }
input[type="range"]:disabled { opacity: 0.4; cursor: not-allowed; }

.board {
  border-radius: var(--radius-lg); overflow: hidden;
  background-color: var(--color-night-2);
  background-image: radial-gradient(circle, var(--led-off) 1.2px, transparent 1.6px);
  background-size: 6px 6px;
  font-family: var(--font-led); font-weight: 800; letter-spacing: 0.03em; color: var(--color-on-night);
}
.board table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.board caption { text-align: left; padding: var(--space-sm) 20px var(--space-2xs); font-size: 0.8125rem; color: var(--color-on-night-2); text-transform: uppercase; letter-spacing: 0.08em; }
.board th {
  text-align: left; padding: var(--space-xs) 20px; font-size: 0.8125rem; font-weight: 800; color: var(--color-on-night-2);
  text-transform: uppercase; letter-spacing: 0.08em; border-bottom: var(--rule-hair) solid var(--color-night-3);
}
.board td { padding: 12px 20px; font-size: clamp(1rem, 2.6vw, 1.3125rem); border-bottom: var(--rule-hair) solid var(--color-night-3); white-space: nowrap; }
.board tr:last-child td { border-bottom: 0; }
.board .tk { color: var(--color-on-night); }
.board .px { color: var(--led-lime); }
.board .buy { color: var(--color-on-night); text-align: right; }
.board th:last-child { text-align: right; }
.board .chg { font-size: 0.875rem; }
.board .up { color: var(--led-up); }
.board .down { color: var(--led-down); }
.board .hide-sm { display: none; }
@media (min-width: 40rem) { .board .hide-sm { display: table-cell; } }
@media (min-width: 60rem) {
  .prices { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--space-2xl); }
  .walk-ctl { position: sticky; top: 120px; }
}

/* ── how it works: the staircase ───────────────────────── */
.stairs { --rise: 0px; list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); }
.stair {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: var(--space-md);
  padding-top: var(--space-md); border-top: 3px solid var(--color-ink);
  margin-top: calc(var(--rise) * (3 - var(--i)));
}
.stair__n {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-lime); box-shadow: inset 0 0 0 2px var(--color-ink);
  font-family: var(--font-display); font-weight: 900; font-size: 1.5rem; line-height: 1; color: var(--color-ink);
}
.stair h3 { overflow-wrap: anywhere; min-width: 0; margin-top: var(--space-xs); font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); text-transform: uppercase; line-height: 1; letter-spacing: 0.01em; }
.stair p { margin-top: var(--space-xs); color: var(--color-ink-2); font-size: 1rem; }
.shot {
  border-radius: clamp(18px, 3.2vw, 34px); overflow: hidden;
  box-shadow: 0 0 0 1px var(--color-rule), 0 40px 70px -46px var(--color-ink);
  background: var(--color-card);
}
.shot img { width: 100%; height: auto; }
@media (min-width: 60rem) {
  .stairs { --rise: 84px; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-md); align-items: start; }
  .stairs { column-gap: 0; }
  .stair { grid-template-columns: minmax(0, 1fr); padding-right: var(--space-md); padding-left: var(--space-sm); }
  /* the riser drops from this tread to the one below, so the four treads read as one staircase */
  .stair::before {
    content: ""; position: absolute; left: 0; top: -3px; width: 3px; height: calc(var(--rise) + 3px);
    background: var(--color-ink);
  }
  .stair:first-child::before { display: none; }
  .stair .shot { margin-top: var(--space-sm); }
}

/* ── the street ─────────────────────────────────────────── */
.street { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl); align-items: center; }
.street__text .lede { margin-top: var(--space-md); }
.facts { list-style: none; display: grid; gap: 0; margin-top: var(--space-lg); border-top: var(--rule-hair) solid var(--color-rule); }
.facts li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: var(--space-sm); padding-block: var(--space-sm); border-bottom: var(--rule-hair) solid var(--color-rule); }
.facts b { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.2; }
.facts span { color: var(--color-ink-2); }
.reel {
  display: flex; gap: var(--space-sm); overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: var(--space-sm); scrollbar-width: thin;
}
.reel figure { flex: 0 0 min(62vw, 260px); scroll-snap-align: start; }
.reel figcaption { margin-top: var(--space-2xs); }
@media (min-width: 60rem) {
  .street { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
  .reel { overflow: visible; padding: 0; gap: var(--space-md); }
  .reel figure { flex: 1 1 0; }
  .reel figure:nth-child(2) { transform: translateY(-48px); }
  .reel figure:nth-child(3) { transform: translateY(32px); }
}

/* ── route (roadmap) ────────────────────────────────────── */
.route { list-style: none; position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); padding-left: var(--space-lg); }
.route::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 4px; border-radius: 2px; background: var(--color-ink); }
.stop { position: relative; }
.stop::before {
  content: ""; position: absolute; left: -32px; top: 4px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-paper); box-shadow: inset 0 0 0 4px var(--color-ink);
}
.stop.is-now::before { background: var(--color-lime); box-shadow: inset 0 0 0 4px var(--color-ink), 0 0 0 5px var(--color-paper); }
.stop__tag {
  display: inline-block; font-family: var(--font-display); font-weight: 800; font-size: 0.9375rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-muted);
}
.stop.is-now .stop__tag { color: var(--color-ink); background: var(--color-lime); padding: 0 6px; }
.stop h3 { overflow-wrap: anywhere; min-width: 0; margin-top: var(--space-2xs); font-family: var(--font-display); font-weight: 900; font-size: var(--text-2xl); text-transform: uppercase; line-height: 1; }
.stop p { margin-top: var(--space-xs); color: var(--color-ink-2); max-width: 46ch; }
@media (min-width: 60rem) {
  .route { grid-template-columns: repeat(3, minmax(0, 1fr)); padding-left: 0; padding-top: 44px; gap: var(--space-xl); }
  .route::before { left: 0; right: 0; top: 9px; bottom: auto; width: auto; height: 4px; }
  .stop::before { left: 0; top: -44px; }
}

/* ── footer: don't walk, on lime ────────────────────────── */
.foot { background: var(--color-lime); padding-block: clamp(72px, 10vw, 140px) 0; overflow: hidden; }
.dont { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); align-items: center; }
.dont__sign {
  justify-self: start; padding: clamp(16px, 3vw, 24px); border-radius: 28px; background: var(--color-night-2);
  box-shadow: 0 40px 70px -46px var(--color-ink);
}
.dont h2 { font-size: clamp(3.4rem, 12vw, 9rem); }
.dont h2 span { display: inline-block; line-height: 0.86; padding: 0.07em 0.06em 0; color: var(--led-dont); background: var(--color-ink); }
.dont .lede { margin-top: var(--space-md); }
.dont .ctas { margin-top: var(--space-lg); }
.legal { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-md); margin-top: clamp(72px, 10vw, 128px); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule-lime); }
.legal .lockup svg { height: 22px; }
.legal p { max-width: 62ch; color: var(--color-ink-2); }
.bigword { margin-top: clamp(32px, 6vw, 72px); padding-inline: clamp(8px, 2vw, 24px); color: var(--color-ink); line-height: 0; }
.bigword svg { width: 100%; height: auto; }
@media (min-width: 60rem) {
  .dont { grid-template-columns: auto minmax(0, 1fr); gap: var(--space-2xl); }
}

/* ── reveal: one orchestrated moment on load ─────────── */
.rise { opacity: 0; transform: translateY(14px); animation: rise var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--d, 0) * 90ms + 80ms); }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tape__track { animation: none; }
  .tape__pause { display: none; }
  .rise { animation: fade 150ms linear forwards; transform: none; }
  @keyframes fade { to { opacity: 1; } }
  .hdr { transition: none; }
  .btn, input[type="range"]::-webkit-slider-thumb { transition: none; }
}