/* Accolai — landing page. Black and white. One display face, one text face. */

:root {
  --bg: #0a0c12;
  --surface: #11161f;
  --surface-2: #19202c;
  --ink: #f4f5f7;
  --muted: #8d919c;
  --accent: #5b9cff;
  --accent-ink: #0a0b0f;
  --blue: #5b9cff; --amber: #ffb547; --mint: #48d6a8;
  --c1: var(--blue); --c2: var(--amber); --c3: var(--blue); --c4: var(--mint); --c5: var(--blue); --c6: var(--amber);
  --ground: var(--bg);

  --font-display: "Clash Display", "Satoshi", "Helvetica Neue", Arial, sans-serif;
  --font-text: "Satoshi", "Helvetica Neue", Arial, sans-serif;

  --step-small: 0.8125rem;
  --step-body: 1.125rem;
  --step-lead: 1.625rem;
  --step-head: 2.5rem;

  --margin: clamp(1.25rem, 2vw, 1.75rem);
  --gutter: clamp(1rem, 2vw, 2rem);
  --section: clamp(6rem, 10vw, 10rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --t-press: 140ms;
  --t-hover: 180ms;
  --t-ui: 240ms;
  --t-reveal: 800ms;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-text); font-size: var(--step-body); line-height: 1.5; font-kerning: normal; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
h1, h2, p, figure, ul, ol { margin: 0; }
ul[class] { padding: 0; list-style: none; }
img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
:target { scroll-margin-top: 2rem; }
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

h1, h2 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; hyphens: none; }
.head { font-size: var(--step-head); line-height: 1.02; letter-spacing: -0.03em; }
p { max-width: 62ch; text-wrap: pretty; }
b { font-weight: 700; }

.page { position: relative; }
main, .hero { position: relative; z-index: 1; background: var(--bg); }

/* the page's own scroll line, in place of the native scrollbar */
.progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; background: var(--ink); transform-origin: left; transform: scaleX(0); z-index: 5; pointer-events: none; }
@supports (animation-timeline: scroll()) { .progress { animation: progress linear both; animation-timeline: scroll(root); } }
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- controls ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3.25rem; padding: 0 1.5rem; border-radius: 999px;
  background: var(--ink); color: var(--bg);
  font-weight: 500; text-decoration: none; white-space: nowrap;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease;
}
.button:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) { .button:hover { background: #ffffff; transform: translateY(-2px); } }
.pill {
  display: inline-flex; align-items: center; gap: 0.5rem; height: 2.75rem; padding: 0 1.1rem; border-radius: 999px;
  background: var(--surface-2); color: var(--ink); font-weight: 500;
  transition: background-color var(--t-hover) ease, transform var(--t-press) var(--ease-out), color var(--t-hover) ease;
}
.pill:active { transform: scale(0.96); }
.pill[aria-pressed="true"], .pill.is-on { background: var(--ink); color: var(--bg); }
.pill-main { background: var(--ink); color: var(--bg); }
.pill-ico { width: 0; height: 0; border-left: 9px solid currentColor; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.pill.is-on .pill-ico { width: 10px; height: 10px; border: 0; border-radius: 2px; background: currentColor; }
.pill[aria-pressed="true"]::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--bg); animation: blink 900ms ease-in-out infinite alternate; }
@keyframes blink { from { opacity: 1; } to { opacity: 0.25; } }
@media (hover: hover) and (pointer: fine) { .pill:hover { background: #26282e; } .pill[aria-pressed="true"]:hover { background: var(--ink); } }

/* ======================================================================
   HERO
   ====================================================================== */
.hero { height: 100svh; display: grid; grid-template-rows: 1fr auto; }
.hero-nav { position: absolute; top: 0; right: 0; z-index: 3; display: flex; gap: 1.75rem; padding: 1.35rem var(--margin); font-size: var(--step-body); font-weight: 500; }
.hero-nav a { text-decoration: none; position: relative; }
.hero-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--t-ui) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .hero-nav a:hover::after { transform: scaleX(1); } }
.menu-toggle, .phone-menu { display: none; }

/* the opening sequence */
.story { position: relative; min-height: 0; overflow: clip; }
.story-wave { position: absolute; inset: 0; width: 100%; height: 100%; }
.story-grid { position: absolute; inset: 14% var(--margin) 16% calc(var(--margin) + 64px); background-image: linear-gradient(to right, #1a1d26 1px, transparent 1px); background-size: 12.5% 100%; opacity: 0; }  /* taste-skill-ignore: the app's own grid */
.lanes { position: absolute; inset: 14% var(--margin) 16% calc(var(--margin) + 64px); display: grid; grid-template-rows: 5fr 2fr 2.4fr; gap: 14px; }
.lane { position: relative; }
.lane-name { position: absolute; left: -64px; top: 0; font-size: var(--step-small); color: var(--muted); }
.blk { position: absolute; border-radius: 6px; background: var(--ink); }
.blk.beat-k { background: var(--amber); } .blk.beat-s { background: #ffd08a; } .blk.beat-h { background: #8a6a33; }
.blk.bass { background: var(--mint); }
.playhead { position: absolute; top: 14%; bottom: 16%; left: calc(var(--margin) + 64px); width: 2px; background: var(--ink); opacity: 0; }
.agent { position: absolute; width: clamp(80px, 10vw, 140px); opacity: 0; will-change: transform; }
.agent svg { width: 100%; height: auto; image-rendering: pixelated; overflow: visible; }
.agent .arm, .hum-bot .arm { transform-box: fill-box; transform-origin: 50% 0; }
.agent .arm-l, .hum-bot .arm-l { transform-origin: 100% 0; }
.agent .eyes, .hum-bot .eyes { transform-box: fill-box; transform-origin: center; animation: blinky 4s ease-in-out infinite; }
.agent .jet, .hum-bot .jet { animation: jet 180ms steps(2) infinite; }
@keyframes jet { from { opacity: 1; transform: translateY(0); } to { opacity: 0.4; transform: translateY(0.5px); } }
.agent-a { color: var(--amber); left: var(--margin); top: 52%; }
.agent-b { color: var(--mint); right: var(--margin); top: 70%; }
.agent-b .eyes { animation-delay: 1.3s; }
@keyframes blinky { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(0.15); } }
.caps { position: absolute; left: var(--margin); top: 1.5rem; }
.cap { position: absolute; left: 0; top: 0; white-space: nowrap; font-family: var(--font-display); font-weight: 600; font-size: var(--step-lead); letter-spacing: -0.02em; opacity: 0; }
.story-ui { position: absolute; right: var(--margin); bottom: 1.25rem; display: flex; gap: 0.5rem; }

/* the band under the field */
.hero-band { padding: 1.25rem var(--margin) 0; }
.hero-sentence { font-size: var(--step-body); line-height: 1.45; min-width: 0; }
.hero-sentence span { display: block; white-space: nowrap; }
.hero-sentence span + span { color: var(--muted); }
.hero-others { font-size: var(--step-small); color: var(--muted); margin-top: -0.25rem; }
.hero-others a { color: var(--ink); text-decoration: underline; text-underline-offset: 0.2em; }
.hero-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 2.5rem; min-height: 0; }
.hero-mark { flex: 1 1 auto; min-width: 0; }
.hero-cta { flex: 0 0 auto; width: min(22rem, 34%); display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; padding-bottom: 32px; }
.monument { align-self: end; font-size: clamp(120px, 19vw, 300px); line-height: 0.8; letter-spacing: -0.045em; white-space: nowrap; padding-bottom: 28px; transform-origin: left bottom; }
.lines .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.lines [data-line] { display: block; }
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .monument { animation: monument-leave linear both; animation-timeline: view(); animation-range: exit 0% exit 100%; }
  }
}
@keyframes monument-leave { from { transform: scale(1); } to { transform: scale(0.94) translateY(-5%); } }

/* ======================================================================
   SCENE: a hum becomes notes, on a white screen
   ====================================================================== */
.hum-scene { --hum-ground: var(--surface); --hum-ink: var(--ink); }
.hum-stage { min-height: 100svh; display: grid; grid-template-columns: 4fr 8fr; gap: var(--gutter); padding: var(--margin); background: var(--hum-ground); color: var(--hum-ink); }
.hum-copy { display: flex; flex-direction: column; justify-content: center; padding-right: 2rem; position: relative; }
.hum-copy .head { margin-bottom: 1.5rem; }
.hum-cap { font-family: var(--font-display); font-weight: 600; font-size: var(--step-lead); line-height: 1.1; letter-spacing: -0.02em; max-width: 14ch; }
.js .hum-scene.is-live .hum-cap { position: absolute; top: 50%; left: 0; width: 100%; transform: translateY(2rem); opacity: 0; }
.js .hum-scene.is-live .hum-copy .head { position: absolute; top: 50%; left: 0; width: 100%; transform: translateY(-4.5rem); white-space: nowrap; }
.hum-scene:not(.is-live) .hum-cap + .hum-cap { margin-top: 0.6rem; }
.hum-pic { position: relative; align-self: center; aspect-ratio: 1000 / 420; width: 100%; }
.hum-wave { position: absolute; inset: 0; width: 100%; height: 100%; }
.hum-wave path { fill: none; stroke: var(--hum-ink); stroke-width: 4; stroke-linecap: round; }
.hum-notes, .hum-vel { position: absolute; inset: 0; }
.hum-note { position: absolute; left: 0; top: 0; width: 6.25%; height: calc(100% / 14); background: var(--hum-ink); border-radius: 999px; transform-origin: left center; }
.hum-note:nth-child(4) { background: var(--blue); }
.hum-vel i { position: absolute; bottom: 0; width: 0.6%; height: 22%; background: var(--amber); opacity: 0.9; border-radius: 999px; transform-origin: bottom; transform: scaleY(0); }
.hum-cursor { position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: var(--hum-ink); transform: translateX(-10px); }
.hum-bot { position: absolute; left: 0; top: 0; width: clamp(64px, 7vw, 100px); opacity: 0; will-change: transform; }
.hum-bot svg { width: 100%; height: auto; image-rendering: pixelated; overflow: visible; }
.hum-spark { position: absolute; left: 0; top: 0; width: 10px; height: 10px; border-radius: 50%; opacity: 0; }
.hum-scene.is-rest .hum-bot { opacity: 1; transform: translate(70%, 10%); }
.hum-scene.is-rest .hum-wave { opacity: 0.15; }
.hum-scene.is-rest .hum-vel i { transform: none; }
.hum-scene.is-rest .hum-cursor { opacity: 0; }

/* ======================================================================
   HOW: three words
   ====================================================================== */
.how { padding: var(--section) var(--margin) calc(var(--section) - 2rem); display: grid; gap: clamp(4rem, 8vw, 8rem); }
.how-step { display: grid; grid-template-columns: 5fr 7fr; gap: var(--gutter); align-items: center; }
.how-shape { grid-template-columns: 7fr 5fr; }
.how-copy { position: relative; }
.how-word { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(64px, 8vw, 128px); line-height: 0.9; letter-spacing: -0.04em; text-align: left; cursor: pointer; touch-action: none; user-select: none; transform-origin: left center; }
.how-word .l { display: inline-block; will-change: transform; transition: color 300ms ease; }
.how-word[data-fx="hum"].is-on .l { animation: hum-wave 700ms var(--ease-in-out) infinite alternate; animation-delay: calc(var(--n) * -90ms); }
@keyframes hum-wave { from { transform: translateY(0.04em); } to { transform: translateY(-0.06em); } }
.how-word[data-fx="shape"] { transition: transform 500ms var(--ease-out); }
.how-word[data-fx="shape"].is-on { transition: none; }
.how-word[data-fx="build"] .l { transition: transform 420ms var(--ease-out); }
.how-word[data-fx="build"].is-hit .l { transform: translateY(-0.12em); transition-duration: 80ms; }
.how-field { position: relative; background: var(--surface); aspect-ratio: 16 / 10; overflow: hidden; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; transition: background var(--t-ui) ease; }
.how-field.is-on { background: var(--surface-2); }
.how-field canvas { display: block; width: 100%; height: 100%; }

/* ======================================================================
   MARQUEE
   ====================================================================== */
.marquee { overflow: clip; padding: 1.25rem 0; }
.marquee-track { display: flex; gap: 3rem; width: max-content; font-family: var(--font-display); font-weight: 600; font-size: clamp(2.5rem, 6vw, 6rem); line-height: 1; letter-spacing: -0.03em; white-space: nowrap; }
.marquee-track b { display: inline-block; font-weight: inherit; transition: transform 300ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .marquee-track b:hover { transform: translateY(-0.18em) rotate(-4deg); } }
.marquee-track span { display: inline-flex; gap: 3rem; }
.marquee-track i { font-style: normal; color: var(--blue); }
@media (prefers-reduced-motion: no-preference) { .marquee-track { animation: marquee 22s linear infinite; } }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ======================================================================
   INSIDE
   ====================================================================== */
.feat { padding: var(--section) var(--margin); }
.feat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.feat .head { margin: 0; }
.feat-roll { display: grid; gap: 10px; }
.feat-lane { display: grid; grid-template-columns: 8rem 1fr; align-items: center; gap: var(--gutter); min-height: 6.5rem; padding: 0.75rem 0; background: var(--surface); }
.feat-lane:nth-child(2) { background: var(--surface-2); }
.feat-group { font-family: var(--font-display); font-weight: 600; font-size: var(--step-lead); letter-spacing: -0.02em; padding-left: 1.25rem; color: var(--blue); margin: 0; }
.feat-lane ul { display: flex; flex-wrap: wrap; row-gap: 10px; align-items: center; list-style: none; margin: 0; padding: 0; }
.feat-lane[data-lane="1"] ul { padding-left: 6%; }
.feat-lane[data-lane="2"] ul { padding-left: 2%; }
.feat-lane li { display: inline-flex; align-items: center; height: 3.2rem; padding: 0 1.4em; margin-right: 10px; border-radius: 999px; background: var(--ink); color: var(--bg); font-family: var(--font-display); font-weight: 600; font-size: clamp(1rem, 1.5vw, 1.4rem); letter-spacing: -0.02em; white-space: nowrap; cursor: default; transition: transform var(--t-ui) var(--ease-out), background var(--t-hover) ease, opacity var(--t-hover) ease; }
.feat-lane li:nth-child(2) { opacity: 0.86; } .feat-lane li:nth-child(4) { opacity: 0.72; }
@media (hover: hover) and (pointer: fine) { .feat-lane li:hover { transform: translateY(-6px) scale(1.04); background: var(--blue); color: var(--accent-ink); opacity: 1; } }
.feat-lane li.is-ping { transform: translateY(-6px) scale(1.06); background: var(--blue); color: var(--accent-ink); opacity: 1; }

/* ======================================================================
   CTA
   ====================================================================== */
.cta { padding-top: var(--section); }
.cta-band { position: relative; display: grid; grid-template-rows: auto 1fr; min-height: 0; padding: 24px var(--margin) 0; background: var(--ink); color: var(--bg); text-decoration: none; transition: background-color var(--t-ui) ease; }
.cta-band:hover, .cta-band:focus-visible { background: var(--blue); color: var(--bg); outline: none; }
.cta-note { position: absolute; right: var(--margin); bottom: 28px; font-size: var(--step-body); line-height: 1.4; max-width: 24ch; text-align: right; }
.cta-arrow { position: absolute; top: 24px; right: var(--margin); width: 48px; height: 48px; transition: transform var(--t-ui) var(--ease-out); }
.cta-band:hover .cta-arrow { transform: translate(6px, -6px); }
.cta-word { align-self: end; justify-self: start; font-family: var(--font-display); font-weight: 600; font-size: clamp(100px, 24vw, 420px); line-height: 0.8; letter-spacing: -0.045em; white-space: nowrap; padding: 1rem 0 24px; }

/* ======================================================================
   FOOTER
   ====================================================================== */
.foot { position: relative; display: grid; grid-template-rows: auto auto; background: var(--surface); color: var(--ink); padding: 40px var(--margin) 20px; }
.foot-cols { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); font-size: var(--step-body); line-height: 1.5; }
.foot-col { grid-column: span 4; color: var(--muted); }
.foot-col li:first-child { color: var(--ink); font-weight: 700; margin-bottom: 0.4em; }
.foot-col a { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 0.2em; transition: text-decoration-color var(--t-hover) ease, color var(--t-hover) ease; }
@media (hover: hover) and (pointer: fine) { .foot-col a:hover { text-decoration-color: currentColor; color: var(--ink); } }
.foot-mark { padding-top: 6rem; }
.foot-word { font-family: var(--font-display); font-weight: 600; font-size: clamp(120px, 19vw, 300px); line-height: 0.8; letter-spacing: -0.045em; white-space: nowrap; margin-bottom: 20px; max-width: none; }
.foot-legal { font-size: var(--step-body); color: var(--muted); max-width: 60ch; }

/* ======================================================================
   MOTION
   ====================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .js [data-rise] { opacity: 0; transform: translateY(18px); animation: ad-rise var(--t-reveal) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 200ms); }
  .js .lines [data-line] { transform: translateY(105%); animation: ad-line 1100ms var(--ease-expo) forwards; animation-delay: 250ms; }
  .js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js .feat-lane[data-reveal] li { opacity: 0; transform: translateY(12px); transition: opacity 500ms var(--ease-out), transform 600ms var(--ease-out); transition-delay: calc(var(--k, 0) * 60ms); }
  .js .feat-lane[data-reveal].is-in li { opacity: 1; transform: none; }
  .js .how-step[data-reveal] .how-word { display: inline-block; transition: transform 900ms var(--ease-expo); transform: translateY(0.4em) rotate(2deg); transform-origin: left bottom; }
  .js .how-step[data-reveal].is-in .how-word { transform: none; }
  @supports (animation-timeline: view()) {
    .js [data-reveal]:not(.is-in) { transition: none; animation: ad-reveal linear both; animation-timeline: view(); animation-range: entry 8% entry 42%; }
    .js .feat-lane[data-reveal] { animation: none; opacity: 1; transform: none; }
    .js .feat-lane[data-reveal]:not(.is-in) li { transition: none; animation: ad-reveal linear both; animation-timeline: view(); animation-range: entry calc(4% + var(--k, 0) * 2.5%) entry calc(40% + var(--k, 0) * 2.5%); }
  }
}
@keyframes ad-rise { to { opacity: 1; transform: none; } }
@keyframes ad-line { to { transform: none; } }
@keyframes ad-reveal { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js [data-rise], .js .lines [data-line] { opacity: 1; transform: none; }
  .caps { display: grid; gap: 0.2rem; }
  .cap { position: static; opacity: 1 !important; visibility: visible !important; transform: none !important; font-size: var(--step-body); }
  .story-wave { display: none; }
}

/* ---------- tablet ---------- */
@media (max-width: 1100px) {
  .hero-bottom { flex-direction: column; align-items: stretch; gap: 1rem; }
  .hero-cta { order: 1; width: auto; flex-direction: row; justify-content: space-between; align-items: center; padding-bottom: 0; margin-bottom: 1.25rem; }
  .hum-stage { grid-template-columns: 1fr; grid-template-rows: auto 1fr; gap: 1rem; }
  .hum-copy { padding-right: 0; min-height: 11rem; justify-content: flex-start; }
  .js .hum-scene.is-live .hum-copy .head { position: static; transform: none; white-space: normal; }
  .js .hum-scene.is-live .hum-cap { top: 4.5rem; }
  .hum-pic { align-self: stretch; aspect-ratio: auto; width: 100%; height: auto; max-height: 62svh; margin-bottom: 1rem; }
  .hum-note { border-radius: 6px; }
  .how-step, .how-shape { grid-template-columns: 1fr; gap: 1.5rem; }
  .how-shape .how-copy { order: -1; }
  .foot { min-height: 0; }
  .foot-mark { padding-top: 4rem; }
}

/* ---------- phone ---------- */
@media (max-width: 767px) {
  .hero { height: auto; min-height: 100svh; grid-template-rows: 58svh auto; }
  .hero-nav { display: none; }
  .menu-toggle { display: block; position: absolute; top: 0.6rem; right: var(--margin); z-index: 4; font-weight: 500; padding: 0.4rem 0.6rem; }
  .phone-menu { position: fixed; inset: 0; z-index: 3; background: var(--bg); padding: 5rem var(--margin); font-family: var(--font-display); font-weight: 600; font-size: 2.5rem; line-height: 1.2; }
  .phone-menu:not([hidden]) { display: flex; flex-direction: column; gap: 0.4rem; }
  .phone-menu a { text-decoration: none; }
  .caps { top: 4rem; }
  .cap { font-size: 1.25rem; white-space: normal; width: calc(100vw - 2 * var(--margin)); }
  .story-grid, .lanes { inset: 26% var(--margin) 18% calc(var(--margin) + 44px); }
  .lane-name { left: -44px; }
  .playhead { top: 26%; bottom: 18%; left: calc(var(--margin) + 44px); }
  .story-ui { left: var(--margin); right: auto; }
  .agent-a { top: 54%; } .agent-b { top: 72%; }
  .hero-band { padding-top: 1rem; }
  .hero-bottom { flex-direction: column; align-items: stretch; gap: 1rem; }
  .hero-cta { order: 1; width: auto; flex-direction: column; align-items: stretch; padding-bottom: 0; margin: 0 0 1rem; }
  .hero-sentence span { white-space: normal; }
  .how-field { aspect-ratio: 4 / 3; }
  .hero-button { width: 100%; }
  .monument { font-size: 23vw; padding-bottom: 16px; }
  .hum-stage { padding: 1.25rem var(--margin); }
  .hum-copy .head { font-size: 1.75rem; margin-bottom: 1rem; }
  .hum-cap { font-size: 1.375rem; }
  .hum-pic { max-height: 60svh; }
  .hum-wave path { stroke-width: 3; }
  .hum-bot { width: 56px; }
  .how { padding: 5rem var(--margin); }
  .how-word { font-size: 18vw; }
  .feat { padding: 5rem var(--margin); }
  .feat .head { font-size: 1.75rem; margin-bottom: 40px; }
  .feat-head { display: block; margin-bottom: 2rem; }
  .feat-lane { grid-template-columns: 1fr; gap: 0.75rem; padding: 1rem var(--margin) 1.25rem; min-height: 0; }
  .feat-group { padding-left: 0; font-size: 1.25rem; }
  .feat-lane li { height: 2.6rem; font-size: 1rem; padding: 0 1em; margin-right: 8px; }
  .feat-lane[data-lane="1"] ul, .feat-lane[data-lane="2"] ul { padding-left: 0; }
  .cta { padding-top: 5rem; }
  .cta-band { min-height: 46svh; padding-top: 20px; }
  .cta-note { position: static; max-width: 26ch; text-align: left; }
  .cta-arrow { width: 32px; height: 32px; top: 20px; }
  .cta-word { font-size: 22vw; padding-bottom: 16px; }
  .foot { padding: 32px var(--margin) 16px; }
  .foot-cols { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .foot-col { grid-column: span 1; }
  .foot-mark { padding-top: 4rem; }
  .foot-word { font-size: 23vw; margin-bottom: 12px; }
}