/* PCS website: Star Atlas. Slate night chart, sage action, one cream four-point star. */

@font-face {
  font-family: "Albert Sans";
  src: url("fonts/albert-sans-latin-wght.woff2") format("woff2-variations"),
       url("fonts/albert-sans-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ground: #101920;
  --ground-2: #17262f;
  --ground-3: #1f323c;
  --ink: #eef2e8;
  --muted: #b3bfae;
  --sage: #bfd29f;
  --sage-hi: #d3e2b9;
  --sage-soft: #e3ecd3;
  --green: #405f4c;
  --green-hi: #4d6f5a;
  --cream: #f5e8d2;
  --paper: #e4eadc;
  --paper-ink: #101920;
  --paper-muted: #3a4a40;

  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --step-head: clamp(2rem, 1.3rem + 3.2vw, 4rem);
  --step-display: clamp(2.375rem, 0.9rem + 5.6vw, 5.75rem);

  --margin: clamp(16px, 2.2vw, 32px);
  --gutter: clamp(12px, 1.6vw, 24px);
  --section: clamp(96px, 11vw, 184px);

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --t-press: 140ms;
  --t-hover: 180ms;
  --t-ui: 240ms;

  color-scheme: dark;
  accent-color: var(--sage);
  scrollbar-color: var(--green) var(--ground);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "Albert Sans", "Segoe UI", system-ui, sans-serif;
  font-size: var(--step-body);
  line-height: 1.5;
  font-weight: 400;
  caret-color: var(--sage);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--sage); color: var(--ground); }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: 600; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
strong { font-weight: 600; }

:focus-visible { outline: 2px solid var(--sage); outline-offset: 3px; }

.skip-link {
  position: absolute; left: var(--margin); top: -100px; z-index: 50;
  background: var(--sage); color: var(--ground); padding: 12px 18px; font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Shared type */
.section-title { font-size: var(--step-head); line-height: 1.02; letter-spacing: -0.035em; max-width: 14ch; }
.display-title { font-size: var(--step-display); line-height: 1; letter-spacing: -0.035em; max-width: 16ch; }

/* Buttons and links: one shape, square corners */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0.8em 1.35em;
  background: var(--sage); color: var(--ground);
  font-weight: 600; line-height: 1.1; text-decoration: none;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease;
}
.button:active { transform: scale(0.97); }
.button--large { font-size: var(--step-lead); min-height: 64px; padding: 0.7em 1.15em; }
.button--small { font-size: var(--step-small); min-height: 40px; padding: 0.55em 1em; }
.text-link {
  color: var(--sage);
  text-decoration: underline; text-decoration-thickness: 0.07em; text-underline-offset: 0.22em;
  text-decoration-color: color-mix(in srgb, currentColor 45%, transparent);
  transition: text-decoration-color var(--t-hover) ease, color var(--t-hover) ease;
}
@media (hover: hover) and (pointer: fine) {
  .button:hover { background: var(--sage-hi); }
  .text-link:hover { text-decoration-color: currentColor; }
}

/* Masthead: a plain bar */
.masthead { position: relative; z-index: 20; background: var(--ground); }
.masthead__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px var(--margin);
}
.masthead__brand { display: block; flex: none; }
.masthead__brand img { height: 34px; width: auto; }
.masthead__nav { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 32px); font-size: var(--step-small); }
.masthead__nav a:not(.button) {
  color: var(--ink); text-decoration: none; padding-block: 8px;
  text-decoration-line: underline; text-decoration-color: transparent; text-underline-offset: 0.3em; text-decoration-thickness: 0.07em;
  transition: text-decoration-color var(--t-hover) ease;
}
@media (hover: hover) and (pointer: fine) { .masthead__nav a:not(.button):hover { text-decoration-color: var(--sage); } }
.masthead__nav a[aria-current="page"] { text-decoration-color: var(--sage); font-weight: 600; }
.masthead__toggle {
  display: none; min-height: 44px; padding: 0 16px;
  background: var(--ground-3); color: var(--ink); border: 0; font-weight: 600; cursor: pointer;
  transition: transform var(--t-press) var(--ease-out);
}
.masthead__toggle:active { transform: scale(0.97); }

/* Hero */
.hero {
  position: relative; overflow: clip;
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: center;
  min-height: min(calc(100svh - 70px), 940px);
  padding: clamp(40px, 7vh, 96px) var(--margin) clamp(64px, 10vh, 128px);
}
.hero__star {
  position: absolute; z-index: -1; pointer-events: none;
  left: 50%; top: 50%; translate: -50% -50%;
  height: 150vh; height: 150svh; width: auto; aspect-ratio: 200 / 260; max-width: none;
  fill: var(--cream);
}
.hero__copy { position: relative; z-index: 2; grid-column: 1 / span 7; }
.hero__title { font-size: var(--step-display); line-height: 1; letter-spacing: -0.035em; font-weight: 600; }
.hero__title .line { display: block; width: fit-content; overflow: clip; padding-bottom: 0.09em; margin-bottom: -0.09em; }
.hero__title [data-line] { display: inline-block; }
.hero__lead { font-size: var(--step-lead); line-height: 1.4; max-width: 31ch; margin-top: clamp(28px, 4vh, 44px); }
.hero__action { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: clamp(28px, 4.5vh, 48px); }
.hero__note { font-size: var(--step-small); color: var(--muted); max-width: 26ch; }

.hero__demo { position: relative; z-index: 1; grid-column: 8 / span 5; max-width: 540px; justify-self: center; width: 100%; }
.hero__demo figcaption { position: relative; background: var(--ground); color: var(--muted); font-size: var(--step-small); padding: 12px 16px; }

/* The app fragment: the product's own look, so it keeps its borders and radius */
.app {
  position: relative;
  background: var(--ground-2); color: #dfe7d8; border: 1px solid #2c434e; border-radius: 10px 10px 0 0; /* taste-skill-ignore: data-ui fragment keeps the app's own border */
  padding: clamp(14px, 1.4vw, 20px); font-size: 15px; line-height: 1.45;
}
.app__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 14px; margin-bottom: 14px; }
.app__crumb { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: #c9d6bb; font-weight: 600; }
.app__models { display: flex; flex-wrap: wrap; gap: 6px; }
.app__models button {
  min-height: 34px; padding: 0 12px; border-radius: 999px; cursor: pointer;
  background: var(--ground); color: #dfe7d8; border: 1px solid #36505c; font-size: 14px; font-weight: 600; /* taste-skill-ignore: data-ui */
  transition: background-color var(--t-hover) ease, border-color var(--t-hover) ease, color var(--t-hover) ease, transform var(--t-press) var(--ease-out);
}
.app__models button:active { transform: scale(0.96); }
.app__models button[aria-pressed="true"] { background: var(--sage); color: var(--ground); border-color: var(--sage); }
@media (hover: hover) and (pointer: fine) { .app__models button:not([aria-pressed="true"]):hover { border-color: var(--sage); } }
.app__card { border: 1px solid rgba(191, 210, 159, 0.55); border-radius: 8px; padding: 16px 18px 18px; background: #132029; } /* taste-skill-ignore: data-ui */
.app__kicker { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sage); font-weight: 600; }
.app__title { font-size: 24px; line-height: 1.15; color: #f3f5ef; font-weight: 600; letter-spacing: -0.01em; margin: 4px 0 12px; }
.app__step { font-size: 16px; color: #eef2e8; margin-top: 4px; }
.app__button { display: inline-block; margin-top: 14px; padding: 9px 14px; border-radius: 6px; background: var(--sage); color: var(--ground); font-weight: 600; font-size: 15px; }
.app__records { margin-top: 14px; }
.app__records li { position: relative; display: grid; padding: 7px 0 7px 24px; }
.app__records li::before {
  content: ""; position: absolute; left: 3px; top: 13px; width: 9px; height: 9px; border-radius: 50%; background: var(--sage);
}
.app__records li:not(:last-child)::after {
  content: ""; position: absolute; left: 7px; top: 22px; bottom: -13px; width: 1.5px; background: var(--sage);
}
.app__records li:nth-last-child(2)::after { background: none; border-left: 1.5px dashed var(--sage); width: 0; } /* taste-skill-ignore: data-ui chart line, dashed means suggested */
.app__records li.is-suggested::before { background: var(--ground-2); border: 1.5px solid var(--sage); } /* taste-skill-ignore: data-ui hollow dot for a suggested record */
.app__records li.is-suggested .app__record { color: #dfe7d8; font-weight: 500; }
.app__record { color: #f3f5ef; font-weight: 600; }
.app__type { font-size: 13px; color: #b9c5b3; }
.app__status { margin-top: 12px; padding-top: 12px; border-top: 1px solid #2c434e; font-size: 14px; color: #dfe7d8; min-height: 3.2em; } /* taste-skill-ignore: data-ui */
.app__status strong { color: var(--sage); }
.app__flap { display: inline; transition: opacity 160ms ease, filter 160ms ease; }
.app__flap.is-flipping { opacity: 0; filter: blur(2px); }

/* Showcase: complete landscape capture beside spare text */
.showcase {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  min-height: 88svh; background: var(--ground-2);
}
.showcase__plate { display: grid; place-items: center; padding: var(--margin); }
.showcase__zoom {
  position: relative; display: block; width: 100%; max-width: 100%; aspect-ratio: 1363 / 936;
  padding: 0; border: 0; background: var(--ground); cursor: zoom-in; overflow: hidden;
}
.showcase__zoom img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  opacity: 0; filter: blur(2px); transition: opacity var(--t-ui) ease, filter var(--t-ui) ease;
}
.showcase__zoom img.is-active { opacity: 1; filter: none; }
.showcase__text {
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  padding: clamp(40px, 6vw, 96px) var(--margin) 40px clamp(24px, 3vw, 48px);
}
.showcase__tabs { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 32px; }
.showcase__tabs button {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 0; background: none; border: 0; cursor: pointer;
  font-size: var(--step-lead); font-weight: 500; color: var(--muted);
  transition: color var(--t-hover) ease;
}
.showcase__tabs button::before {
  content: ""; width: 0.62em; height: 0.75em; background: var(--cream);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
  transform: scale(0.6); opacity: 0; transition: opacity var(--t-ui) ease, transform var(--t-ui) var(--ease-out);
}
.showcase__tabs button[aria-selected="true"] { color: var(--ink); }
.showcase__tabs button[aria-selected="true"]::before { opacity: 1; transform: none; }
@media (hover: hover) and (pointer: fine) { .showcase__tabs button:hover { color: var(--ink); } }
.showcase__panel h3 { font-size: var(--step-head); line-height: 1.05; letter-spacing: -0.03em; }
.showcase__panel p { max-width: 34ch; margin-top: clamp(20px, 3vw, 40px); font-size: var(--step-lead); line-height: 1.4; }
.showcase__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cell {
  display: flex; align-items: center; min-height: 72px; padding: 0 22px;
  background: var(--ground-3); color: var(--ink); text-decoration: none; font-weight: 600;
  transition: background-color var(--t-hover) ease, transform var(--t-press) var(--ease-out);
}
.cell:active { transform: scale(0.98); }
.cell--ink { background: var(--sage); color: var(--ground); }
@media (hover: hover) and (pointer: fine) {
  .cell:hover { background: #29414d; }
  .cell--ink:hover { background: var(--sage-hi); }
}
.showcase__note { font-size: var(--step-small); color: var(--muted); margin-top: -24px; }

:root { --star: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 260'%3E%3Cpath d='M100 0C112 83 136 114 200 130 136 146 112 177 100 260 88 177 64 146 0 130 64 114 88 83 100 0Z'/%3E%3C/svg%3E"); }

/* Memory: one small proof beside each sentence */
.memory { padding: var(--section) var(--margin) 0; }
.memory__head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end; }
.memory__head .section-title { grid-column: 1 / span 6; }
.memory__intro { grid-column: 7 / span 6; display: grid; gap: 14px; justify-items: start; max-width: 46ch; }
.memory__intro p { font-size: var(--step-lead); line-height: 1.4; }
.memory__list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px var(--gutter);
  margin-top: 72px;
}
.proofrow { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 24px; align-items: start; }
.proof { background: var(--ground-2); min-height: 150px; padding: 20px; overflow: hidden; display: flex; align-items: center; }
.proofrow__text h3 { font-size: var(--step-lead); line-height: 1.25; letter-spacing: -0.01em; }
.proofrow__text p { margin-top: 8px; max-width: 34ch; }
.memory__note { max-width: 64ch; margin-top: 64px; color: var(--muted); font-size: var(--step-body); }

/* The fragments: the app's own look, at true size */
.mini { width: 100%; display: grid; gap: 8px; font-size: 15px; line-height: 1.4; color: #dfe7d8; }
.mini__label { font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sage); }
.mini__title { font-size: 18px; font-weight: 600; line-height: 1.25; color: #f3f5ef; }
.mini__meta { font-size: 14px; color: #b9c5b3; }
.mini__note { font-size: 13px; color: #b9c5b3; }
.mini__link { margin-left: 10px; color: var(--sage); text-decoration: underline; text-underline-offset: 0.2em; }
.mini__old { font-size: 15px; color: #9fae9b; text-decoration: line-through; }
.mini-switch, .mini-check { display: flex; align-items: center; gap: 10px; font-weight: 600; color: #eef2e8; }
.mini-switch__track { position: relative; width: 38px; height: 22px; border-radius: 999px; background: #2c434e; flex: none; }
.mini-switch__track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #8fa39a; }
.mini-switch.is-on .mini-switch__track { background: var(--sage); }
.mini-switch.is-on .mini-switch__track::after { left: auto; right: 3px; background: var(--ground); }
.mini-check { font-weight: 500; }
.mini-check__box { position: relative; width: 18px; height: 18px; border-radius: 4px; background: #2c434e; flex: none; }
.mini-check.is-on .mini-check__box { background: var(--sage); }
.mini-check.is-on .mini-check__box::after { content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid var(--ground); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.mini__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.mini-btn { display: inline-flex; align-items: center; min-height: 34px; padding: 0 14px; border-radius: 6px; background: var(--sage); color: var(--ground); font-weight: 600; font-size: 14px; }
.mini-btn--quiet { background: #253b45; color: #eef2e8; }

/* Map band: one full-width band, the star as the stage */
.band {
  position: relative; overflow: clip; margin-top: var(--section);
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: center;
  background: var(--green); padding: clamp(72px, 9vw, 144px) var(--margin);
}
.band__text { grid-column: 1 / span 5; position: relative; z-index: 1; display: grid; gap: 20px; justify-items: start; }
.band__text p { max-width: 40ch; }
.band__text .button { margin-top: 12px; }
.band__stage { grid-column: 6 / span 7; position: relative; }
.band__star {
  position: absolute; z-index: 0; left: 50%; top: 50%; height: 175%; width: auto; aspect-ratio: 200 / 240;
  transform: translate(-50%, -50%); fill: var(--cream);
}
.band__shot { position: relative; z-index: 1; display: block; width: 100%; padding: 0; border: 0; background: var(--ground); cursor: zoom-in; overflow: hidden; }
.band__shot img { width: 100%; height: auto; transform-origin: 50% 40%; }
.band__stage figcaption { position: relative; z-index: 1; margin-top: 10px; font-size: var(--step-small); color: var(--ground); background: var(--cream); display: inline-block; padding: 4px 10px; }

/* Stages as one bar */
.stages { padding: var(--section) var(--margin) 0; }
.stages__bar {
  display: flex; gap: 6px; margin-top: 64px;
  --bar-h: max(160px, 22vh);
}
.stage { display: flex; flex-direction: column; min-width: 0; }
.stage__block { height: var(--bar-h); padding: 18px 20px; background: var(--c); color: var(--fg, var(--ink)); }
.stage__time { display: block; font-size: var(--step-lead); font-weight: 600; line-height: 1.15; }
.stage__clause { margin-top: 16px; max-width: min(22ch, 100%); padding-right: 20px; }
.stage--1 { flex: 17 1 0; --c: var(--ground-3); }
.stage--2 { flex: 18 1 0; --c: var(--green); }
.stage--3 { flex: 30 1 0; --c: var(--sage); --fg: var(--ground); }
.stage--4 { flex: 35 1 0; --c: var(--cream); --fg: var(--ground); }
.stages__more { margin-top: 40px; }

/* Wall of word tiles */
.wall { padding: var(--section) var(--margin) 0; }
.wall__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.cellw { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--bg); color: var(--fg); }
.cellw--a { --bg: var(--ground-2); --fg: var(--ink); --cap: var(--muted); }
.cellw--b { --bg: var(--sage); --fg: var(--ground); --cap: #2a3a2f; }
.cellw--c { --bg: var(--green); --fg: var(--ink); --cap: #dfe8d6; }
.cellw--d { --bg: var(--ground-3); --fg: var(--sage); --cap: #c6d1c0; }
.cellw a { position: absolute; inset: 0; display: grid; place-items: center; text-decoration: none; color: inherit; }
.cellw__word { font-size: var(--step-head); font-weight: 600; letter-spacing: -0.035em; line-height: 1; transition: transform 320ms var(--ease-out); }
.cellw__caption {
  position: absolute; left: 12px; right: 12px; bottom: 18px; text-align: center;
  font-size: var(--step-small); color: var(--cap);
  text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 0.25em; text-decoration-thickness: 0.07em;
  transition: text-decoration-color var(--t-hover) ease;
}
@media (hover: hover) and (pointer: fine) {
  .cellw a:hover .cellw__word { transform: translateY(-6px); }
  .cellw a:hover .cellw__caption { text-decoration-color: currentColor; }
}
.cellw a:focus-visible { outline-offset: -6px; outline-color: currentColor; }
.cellw--photo { background: var(--ground); }
.cellw__image {
  position: absolute; inset: 0; display: grid; place-items: center;
  width: 100%; height: 100%; padding: 0; border: 0;
  background: var(--ground); cursor: zoom-in;
}
.cellw__image:focus-visible { outline-offset: -4px; }
.cellw--photo img { width: 100%; height: 100%; object-fit: contain; }
.cellw__heading { position: absolute; inset: 0; display: grid; align-content: center; padding: 24px; font-size: var(--step-head); line-height: 1.02; letter-spacing: -0.035em; }
.wall__note { margin-top: 20px; color: var(--muted); font-size: var(--step-body); }

/* Data sheet */
.sheet-section {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: start;
  padding: var(--section) var(--margin) 0;
}
.sheet-section__intro { grid-column: 1 / span 5; display: grid; gap: 20px; justify-items: start; position: sticky; top: 32px; }
.sheet-section__intro p { max-width: 38ch; }
.sheet {
  grid-column: 7 / span 6; justify-self: end; width: 100%; max-width: 640px;
  background: var(--paper); color: var(--paper-ink); padding: clamp(32px, 4.5vw, 64px); text-align: center;
}
.sheet__title { font-size: var(--step-head); font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; }
.sheet__note { font-size: var(--step-small); color: var(--paper-muted); margin-top: 10px; }
.sheet__group { margin-top: 48px; }
.sheet__group h3 { display: inline-flex; align-items: center; gap: 10px; font-size: var(--step-lead); letter-spacing: -0.01em; color: var(--green); }
.sheet__group h3::before { content: ""; width: 0.6em; height: 0.72em; background: var(--green); -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat; }
.sheet dl { max-width: 440px; margin: 16px auto 0; text-align: left; display: grid; gap: 14px; }
.sheet dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
.sheet dt { font-weight: 500; }
.sheet dd { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--green); text-align: right; flex: none; }
.sheet__foot { margin-top: 48px; color: var(--paper-muted); }

/* Download: a sentence with a blank, on a sage field */
.download {
  margin-top: var(--section); background: var(--sage); color: var(--ground); padding: clamp(72px, 9vw, 152px) var(--margin);
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end;
}
.download__form { grid-column: 1 / span 8; }
.download__sentence { font-size: var(--step-head); line-height: 1.3; letter-spacing: -0.03em; font-weight: 600; max-width: 22em; }
.download__blank { display: inline-block; vertical-align: baseline; }
.download__sentence select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  height: 1.18em; padding: 0 1.15em 0 0.3em; border: 0; border-radius: 0;
  background: var(--sage-soft) no-repeat right 0.32em center / 0.5em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23101920' stroke-width='2'/%3E%3C/svg%3E");
  color: var(--ground); font-weight: 600; letter-spacing: -0.03em; line-height: 1.18;
  transition: background-color var(--t-hover) ease;
}
.download__sentence select:focus-visible, .download__go:focus-visible, .download a:focus-visible { outline-color: var(--ground); }
.download__go {
  display: inline-block; padding: 0 0.3em; line-height: 1.18;
  background: var(--ground); color: var(--sage); text-decoration: none;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease;
}
.download__go:active { transform: scale(0.98); }
@media (hover: hover) and (pointer: fine) {
  .download__go:hover { background: var(--ground-3); }
  .download__sentence select:hover { background-color: #f0f5e6; }
}
.download__need { margin-top: 28px; max-width: 60ch; font-size: var(--step-body); transition: opacity 160ms ease; }
.download__need.is-flipping { opacity: 0; }
.download__details { grid-column: 9 / span 4; display: grid; gap: 14px; max-width: 44ch; }
.download__details .text-link { color: var(--ground); margin-right: 18px; }

/* FAQ: tabbed index cards */
.faq { padding: var(--section) var(--margin) 0; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
.faq > .section-title { grid-column: 3 / span 8; max-width: none; }
.faq__stack { grid-column: 3 / span 8; margin-top: 88px; }
.card { position: relative; background: var(--bg); --n: 0; --tab-w: 200px; }
.card:nth-child(2) { --n: 1; } .card:nth-child(3) { --n: 2; } .card:nth-child(4) { --n: 3; }
.card:nth-child(5) { --n: 4; } .card:nth-child(6) { --n: 5; }
.card--1 { --bg: var(--ground-2); } .card--2 { --bg: var(--green); } .card--3 { --bg: var(--ground-3); }
.card__head { font-size: inherit; }
.card__toggle {
  display: block; width: 100%; text-align: left; cursor: pointer; background: none; border: 0; padding: 22px 28px 24px; position: relative;
}
.card__tab {
  position: absolute; left: calc((100% - var(--tab-w)) * var(--n) / 5); bottom: 100%; width: var(--tab-w); height: 40px;
  display: flex; align-items: center; justify-content: center; padding: 0 22px;
  background: var(--bg); font-size: var(--step-small); font-weight: 600; color: var(--ink);
  clip-path: polygon(14px 0, calc(100% - 14px) 0, 100% 100%, 0 100%);
}
.card__q { display: block; font-size: var(--step-lead); font-weight: 500; line-height: 1.3; padding-right: 40px; }
.card__toggle::after {
  content: ""; position: absolute; right: 28px; top: 50%; width: 14px; height: 14px; margin-top: -9px;
  border: solid var(--sage); border-width: 0 2px 2px 0; transform: rotate(45deg); transition: transform var(--t-ui) var(--ease-out);
}
.card--2 .card__toggle::after { border-color: var(--ink); }
.card.is-open .card__toggle::after, .card__toggle[aria-expanded="true"]::after { transform: translateY(5px) rotate(-135deg); }
.card + .card .card__toggle { padding-top: 22px; }
.card + .card { margin-top: 46px; }
.card__panel { display: grid; grid-template-rows: 1fr; transition: grid-template-rows 320ms var(--ease-out), visibility 0s linear 0s; }
.card__panel > div { overflow: hidden; }
.card__panel p { max-width: 58ch; padding: 0 28px 28px; }
.card--2 .card__panel .text-link { color: var(--ink); }
.js .card:not(.is-open) .card__panel { grid-template-rows: 0fr; visibility: hidden; transition: grid-template-rows 320ms var(--ease-out), visibility 0s linear 320ms; }

/* Coupon */
.coupon-section { padding: var(--section) var(--margin); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
.coupon { grid-column: 2 / span 10; display: grid; grid-template-columns: 46fr 54fr; background: var(--green); color: var(--ink); }
.coupon__left { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; padding: 48px; }
.coupon__title { font-size: var(--step-head); line-height: 1.02; letter-spacing: -0.035em; font-weight: 700; max-width: 9em; }
.coupon__words { display: grid; gap: 14px; max-width: 42ch; }
.coupon__words .text-link { color: var(--ink); }
.coupon__right { display: grid; gap: 10px; align-content: center; padding: 48px; border-left: 5px dotted var(--ground); }
.coupon input, .coupon textarea {
  width: 100%; min-height: 52px; padding: 13px 16px; border: 0; border-radius: 0;
  background: #4a6855; color: var(--ink); font-size: 16px; line-height: 1.4;
  transition: background-color var(--t-hover) ease;
}
.coupon textarea { resize: vertical; min-height: 96px; }
.coupon ::placeholder { color: #f1f5ec; opacity: 1; }
.coupon input:focus-visible, .coupon textarea:focus-visible { outline-color: var(--cream); background: #527360; }
.coupon__submit {
  min-height: 56px; border: 0; cursor: pointer; background: var(--ground); color: var(--sage); font-weight: 600;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease;
}
.coupon__submit:active { transform: scale(0.98); }
@media (hover: hover) and (pointer: fine) { .coupon__submit:hover { background: var(--ground-2); } }

/* Footer: the mark, built large */
.footer { background: var(--ground-2); padding: clamp(56px, 7vw, 112px) var(--margin) 28px; }
.footer__mark { width: 100%; height: auto; max-height: 34svh; object-fit: contain; object-position: left center; }
.footer__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px var(--gutter); margin-top: 56px; max-width: 980px; }
.footer__grid h2 { font-size: var(--step-body); margin-bottom: 10px; }
.footer__grid a { display: block; width: fit-content; padding-block: 5px; color: var(--muted); text-decoration: none; font-size: var(--step-body); transition: color var(--t-hover) ease; }
@media (hover: hover) and (pointer: fine) { .footer__grid a:hover { color: var(--ink); } }
.footer__last { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 64px; font-size: var(--step-small); color: var(--muted); }

/* Screenshot viewer */
.viewer {
  max-width: min(96vw, 1680px); width: 100%; padding: 0; border: 0; background: var(--ground); color: var(--ink);
}
.viewer::backdrop { background: rgba(10, 16, 20, 0.86); }
.viewer img { width: 100%; height: auto; max-height: 88vh; object-fit: contain; }
.viewer form { display: flex; justify-content: flex-end; padding: 10px; }
.viewer__close { min-height: 40px; padding: 0 16px; background: var(--ground-3); border: 0; cursor: pointer; font-weight: 600; transition: transform var(--t-press) var(--ease-out); }
.viewer__close:active { transform: scale(0.97); }
@media (prefers-reduced-motion: no-preference) {
  .viewer[open] { animation: viewer-in 220ms var(--ease-out); }
}
@keyframes viewer-in { from { opacity: 0; transform: scale(0.97); } }

/* Motion layer: everything hidden lives inside no-preference, so reduced motion is the finished page */
@media (prefers-reduced-motion: no-preference) {
  .js .hero [data-line] { transform: translateY(108%); animation: load-line 820ms var(--ease-expo) forwards; animation-delay: calc(90ms + var(--i) * 90ms); }
  .js .hero [data-load] { opacity: 0; transform: translateY(14px); animation: load-rise 560ms var(--ease-out) forwards; animation-delay: var(--d); }
  .js .hero__star { opacity: 0; scale: 0.92; animation: star-in 1200ms var(--ease-expo) 60ms forwards; }

  .js [data-reveal] { opacity: 0; translate: 0 24px; transition: opacity 520ms var(--ease-out), translate 720ms var(--ease-out); transition-delay: var(--d, 0ms); }
  .js [data-reveal].is-in { opacity: 1; translate: 0 0; }
  .js .showcase__plate[data-reveal] { opacity: 1; translate: 0 0; }
  .js .showcase__plate[data-reveal] .showcase__zoom { clip-path: inset(0 0 100% 0); transition: clip-path 760ms var(--ease-in-out); }
  .js .showcase__plate[data-reveal].is-in .showcase__zoom { clip-path: inset(0); }

  .js [data-grow] .stage__block { clip-path: inset(0 100% 0 0); transition: clip-path 760ms var(--ease-expo); transition-delay: var(--d, 0ms); }
  .js [data-grow] .stage__clause { opacity: 0; transition: opacity 420ms ease; transition-delay: calc(var(--d, 0ms) + 200ms); }
  .js [data-grow].is-in .stage__block { clip-path: inset(0); }
  .js [data-grow].is-in .stage__clause { opacity: 1; }

}
@keyframes load-line { to { transform: none; } }
@keyframes load-rise { to { opacity: 1; transform: none; } }
@keyframes star-in { to { opacity: 1; scale: 1; } }

/* Tablet */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; row-gap: 64px; align-items: start; min-height: 0; padding-bottom: 120px; }
  .hero__copy, .hero__demo { grid-column: 1; }
  .hero__demo { justify-self: start; max-width: 560px; }
  .hero__star { left: 100%; height: min(110svh, 150vw); }

  .showcase { grid-template-columns: 1fr; min-height: 0; }
  .showcase__plate { padding: var(--margin); }
  .showcase__zoom { max-width: 100%; }
  .showcase__text { padding: 24px var(--margin) 48px; }
  .showcase__note { margin-top: -20px; }

  .memory__head .section-title, .memory__intro { grid-column: 1 / -1; }
  .memory__intro { margin-top: 20px; }
  .memory__list { grid-template-columns: 1fr; gap: 56px; }


  .band__text, .band__stage { grid-column: 1 / -1; }
  .band__stage { margin-top: 96px; margin-bottom: 40px; }

  .stages__bar { flex-direction: column; --bar-h: auto; }
  .stage { flex: none !important; background: var(--c); color: var(--fg, var(--ink)); }
  .stage__block { height: auto; padding: 18px 20px 6px; background: none; }
  .stage__clause { margin: 0; padding: 0 20px 20px; max-width: 46ch; }
  .stage--1 { min-height: 96px; } .stage--2 { min-height: 112px; } .stage--3 { min-height: 168px; } .stage--4 { min-height: 196px; }

  .wall__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .sheet-section__intro { grid-column: 1 / -1; position: static; margin-bottom: 64px; }
  .sheet { grid-column: 1 / -1; justify-self: center; }

  .download__form, .download__details { grid-column: 1 / -1; }
  .download__details { margin-top: 48px; max-width: 64ch; }

  .faq > .section-title, .faq__stack { grid-column: 1 / -1; }
  .coupon { grid-column: 1 / -1; }
}

/* Navigation collapses */
@media (max-width: 860px) {
  .masthead__toggle { display: inline-flex; align-items: center; }
  .masthead__nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--margin) 20px; background: var(--ground-2); font-size: var(--step-body);
  }
  .masthead__nav.is-open { display: flex; }
  .masthead__nav a:not(.button) { padding-block: 12px; }
  .masthead__nav .button { margin-top: 10px; }
  html:not(.js) .masthead__nav { display: flex; position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 20px; background: none; padding: 0; }
  html:not(.js) .masthead__toggle { display: none; }
  html:not(.js) .masthead__inner { flex-wrap: wrap; }
}

/* Perspective diagram belongs only to the memory guide. */
.prose .perspective-diagram { scroll-margin-top: 24px; }
.prose .perspective-diagram[data-reveal] { opacity: 1; translate: 0 0; }
.prose .perspective-diagram__wide { display: block; border: 1px solid var(--green); }
.prose .perspective-diagram__wide img { display: block; width: 100%; height: auto; }
.prose .perspective-diagram figcaption { margin-top: 12px; color: var(--paper-muted); font-size: var(--step-small); }
.prose .perspective-diagram figcaption a { display: inline; }
.prose .perspective-diagram__steps { display: none; }
@media (max-width: 760px) {
  .prose .perspective-diagram__wide { display: none; }
  .prose .perspective-diagram__steps { display: grid; gap: 36px; list-style: none; padding: 0; margin: 0; }
  .prose .perspective-diagram__steps li { position: relative; background: var(--ground-2); color: var(--ink); border-left: 3px solid var(--sage); padding: 24px; }
  .prose .perspective-diagram__steps li::before { content: none; }
  .prose .perspective-diagram__steps li + li::before { content: '↓'; position: absolute; top: -34px; left: 22px; font-size: 26px; color: var(--green); }
  .prose .perspective-diagram__steps li > span { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--sage); }
  .prose .perspective-diagram__steps h3 { font-size: 24px; margin: 10px 0; }
  .prose .perspective-diagram__steps p { font-size: 18px; line-height: 1.5; }
  .prose .perspective-diagram__steps li:last-child { background: var(--sage); color: var(--ground); }
  .prose .perspective-diagram__steps li:last-child > span { color: var(--green); }
}

/* Phone */
@media (max-width: 640px) {
  .masthead__brand img { height: 28px; }
  .hero { padding-top: 32px; row-gap: 72px; }
  .hero__title { font-size: clamp(2.125rem, 9.4vw, 2.75rem); }
  .hero__star { left: 80%; height: 230vw; }
  .app__crumb { width: 100%; }
  .app__models button { padding: 0 10px; }
  .showcase__actions { grid-template-columns: 1fr; }
  .cell { min-height: 60px; }

  .memory__list { margin-top: 48px; gap: 48px; }
  .proofrow { grid-template-columns: 1fr; gap: 16px; }
  .proof { min-height: 0; }


  .band { padding-block: 64px 72px; }
  .band__star { height: 150%; }

  .wall__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .cellw__caption { bottom: 12px; }
  .cellw__heading { padding: 16px; }

  .sheet { padding: 28px 20px; }
  .sheet dl div { gap: 14px; }

  .download__sentence { font-size: clamp(1.75rem, 8vw, 2.25rem); }

  .faq__stack { margin-top: 72px; }
  .card { --tab-w: 128px; }
  .card__tab { padding: 0 12px; }
  .card__toggle { padding: 18px 18px 20px; }
  .card__toggle::after { right: 18px; }
  .card__q { font-size: 18px; }
  .card__panel p { padding: 0 18px 22px; font-size: 16px; }

  .coupon { grid-template-columns: 1fr; }
  .coupon__left { padding: 28px 20px; }
  .coupon__right { padding: 28px 20px; border-left: 0; border-top: 5px dotted var(--ground); }

  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__last { flex-wrap: wrap; }
}