/* herdup landing page.
 *
 * Same visual language as the app itself: Space Grotesk, hairlines over boxes,
 * one warm accent, generous but not empty. Light and dark both defined on
 * tokens so neither is an afterthought.
 */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&display=swap");

:root {
  --pa: #f8f8f7;
  --card: #ffffff;
  --ink: #141517;
  --dim: #55585d;
  --faint: #8b8e94;
  --rule: #e4e4e2;
  --rule-soft: #eeeeec;
  --acc: #b8681e;
  --acc-soft: #fbf1e6;
  --acc-line: #ecd8bf;
  --ok: #1c6b45;
  --ok-soft: #eaf3ee;
  --warn: #a9621b;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pa: #131417;
    --card: #191b1f;
    --ink: #ecedef;
    --dim: #a8abb1;
    --faint: #7c7f85;
    --rule: #2a2d33;
    --rule-soft: #212429;
    --acc: #d9903f;
    --acc-soft: #241d15;
    --acc-line: #4a3a24;
    --ok: #5cbf8f;
    --ok-soft: #16241d;
    --warn: #d9a05a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--pa);
  color: var(--ink);
  font-family: "Space Grotesk", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--acc); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: currentColor; }
code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.88em; background: var(--rule-soft); padding: 1px 5px; border-radius: 4px;
}

/* --- chrome --------------------------------------------------------------- */

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  max-width: 900px; margin: 0 auto; padding: 22px 24px;
  border-bottom: 1px solid var(--rule); flex-wrap: wrap;
}
.mark { font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; font-weight: 500; color: var(--acc); }
.top nav { display: flex; gap: 20px; flex-wrap: wrap; }
.top nav a { color: var(--dim); font-size: 14px; }
.top nav a:hover { color: var(--ink); }

main { max-width: 900px; margin: 0 auto; padding: 0 24px; }

section { padding: 56px 0; border-bottom: 1px solid var(--rule); }
section:last-child { border-bottom: 0; }

h1 {
  font-size: clamp(34px, 6vw, 52px); line-height: 1.03; letter-spacing: -0.04em;
  font-weight: 700; margin: 0 0 16px; text-wrap: balance;
}
h2 { font-size: 26px; letter-spacing: -0.03em; font-weight: 700; margin: 0 0 14px; text-wrap: balance; }
h3 { font-size: 17px; letter-spacing: -0.02em; font-weight: 700; margin: 0 0 6px; }
h3.minor { margin-top: 36px; }
p { margin: 0 0 14px; max-width: 68ch; text-wrap: pretty; }
p.sub, .lede { color: var(--dim); }
.lede { font-size: 18px; max-width: 56ch; margin-bottom: 26px; }
.fineprint { font-size: 13.5px; color: var(--faint); }

/* --- hero ----------------------------------------------------------------- */

.hero { padding-top: 72px; border-bottom: 1px solid var(--rule); }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.btn {
  display: inline-block; border: 1px solid var(--rule); background: var(--card);
  color: var(--ink); padding: 11px 20px; border-radius: var(--radius);
  font-size: 15px; font-weight: 500;
  transition: border-color 160ms ease-out, background 160ms ease-out;
}
.btn:hover { border-color: var(--ink); }
.btn.solid { background: var(--ink); border-color: var(--ink); color: var(--pa); }
.btn.solid:hover { background: var(--acc); border-color: var(--acc); color: #fff; }

/* --- content blocks ------------------------------------------------------- */

.steps { counter-reset: s; list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.steps li {
  counter-increment: s; position: relative; padding-left: 40px;
  color: var(--dim); max-width: 68ch;
}
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 2px;
  width: 24px; height: 24px; border-radius: 999px; display: grid; place-items: center;
  font-size: 12px; font-weight: 700; color: var(--acc);
  background: var(--acc-soft); border: 1px solid var(--acc-line);
}
.steps strong { color: var(--ink); font-weight: 600; }

.cards { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--card); padding: 18px;
}
.card p { margin: 0; color: var(--dim); font-size: 14.5px; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 18px; padding: 0; }
.chips li {
  border: 1px solid var(--rule); background: var(--card); border-radius: 999px;
  padding: 5px 13px; font-size: 13.5px; color: var(--dim);
}

/* --- downloads ------------------------------------------------------------ */

.dl { display: grid; gap: 10px; grid-template-columns: 1fr; margin-bottom: 18px; }
@media (min-width: 700px) { .dl { grid-template-columns: repeat(3, 1fr); } }
.dlcard {
  display: grid; gap: 4px; border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--card); padding: 18px; color: var(--ink);
  transition: border-color 160ms ease-out, transform 160ms ease-out;
}
.dlcard:hover { border-color: var(--acc); transform: translateY(-2px); }
.dlcard .os { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.dlcard .file { font-size: 13px; color: var(--faint); }
.dlcard .state {
  justify-self: start; margin-top: 8px; font-size: 11.5px; font-weight: 500;
  border-radius: 999px; padding: 2px 9px; border: 1px solid;
}
.dlcard .state.ok { color: var(--ok); background: var(--ok-soft); border-color: var(--ok); }
.dlcard .state.warn { color: var(--warn); background: var(--acc-soft); border-color: var(--acc-line); }

/* --- footer --------------------------------------------------------------- */

footer {
  max-width: 900px; margin: 0 auto; padding: 32px 24px 56px;
  border-top: 1px solid var(--rule); color: var(--faint); font-size: 14px;
}
footer p { max-width: 68ch; }

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; }
  .dlcard:hover { transform: none; }
}

/* ==================================================================
   Scroll narrative
   ================================================================== */

/* Deliberately NOT `scroll-behavior: smooth` on html: it desyncs ScrollTrigger,
   which then reports progress 0 no matter where the page actually is. Anchor
   links are smoothed in scroll.js instead, where GSAP owns the scroll. */

.top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--pa) 88%, transparent); backdrop-filter: blur(10px); }

/* --- hero --------------------------------------------------------- */

.hero {
  position: relative; min-height: min(92vh, 820px); display: grid; align-items: end;
  padding: 0; border-bottom: 1px solid var(--rule); overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img, .hero-media video {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.hero-media video { position: absolute; inset: 0; opacity: 0; transition: opacity 900ms ease-out; }
.hero-media video.ready { opacity: 1; }
/* Legibility floor: the headline must never depend on where the sun landed. */
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,12,16,0.30) 0%, rgba(10,12,16,0.10) 32%, rgba(10,12,16,0.82) 100%);
}
.hero-copy {
  position: relative; max-width: 900px; width: 100%; margin: 0 auto;
  padding: 0 24px 72px; color: #f4f1ec;
}
.hero-copy h1 { color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,0.45); max-width: 15ch; }
.hero-copy .lede { color: rgba(244,241,236,0.86); max-width: 48ch; }
.hero-copy .fineprint { color: rgba(244,241,236,0.62); }
.hero-copy .fineprint a { color: #e8a45c; }
.hero .btn { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.28); color: #fff; backdrop-filter: blur(6px); }
.hero .btn:hover { border-color: #fff; }
.hero .btn.solid { background: #fff; border-color: #fff; color: #16171a; }
.hero .btn.solid:hover { background: #e8a45c; border-color: #e8a45c; color: #1a1205; }

.scroll-cue {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  font-size: 10.5px; letter-spacing: 0.28em; text-transform: uppercase;
  color: rgba(244,241,236,0.5);
}

/* --- the story ---------------------------------------------------- */

#story { position: relative; padding: 0; border-bottom: 1px solid var(--rule); background: var(--pa); }
#field {
  position: sticky; top: 0; width: 100%; height: 100vh; display: block;
  pointer-events: none; z-index: 0;
}
.beat {
  position: relative; z-index: 1; min-height: 78vh; display: grid; align-items: center;
  max-width: 900px; margin: 0 auto; padding: 0 24px;
}
/* Pull the beats back up over the sticky canvas. */
#story .beat:first-of-type { margin-top: -100vh; }
.beat-in { max-width: 46ch; }
.beat .step {
  display: inline-block; font-size: 11px; letter-spacing: 0.24em; color: var(--acc);
  margin-bottom: 12px; font-weight: 500;
}
.beat h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 12px; }
.beat p { color: var(--dim); font-size: 16.5px; }

/* --- real product shots ------------------------------------------- */

.product { max-width: 1120px; margin: 0 auto; padding: 64px 24px; border-bottom: 1px solid var(--rule); }
.eyebrow {
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--acc); font-weight: 500; margin-bottom: 22px;
}
.shots { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .shots { grid-template-columns: repeat(3, 1fr); } }
.shot { margin: 0; }
.shot img {
  width: 100%; height: auto; display: block; border-radius: 10px;
  border: 1px solid var(--rule); background: #131417;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 18px 40px rgba(0,0,0,0.12);
}
.shot figcaption { margin-top: 12px; font-size: 14px; color: var(--dim); text-wrap: pretty; }
.shot figcaption strong { color: var(--ink); font-weight: 600; }
.shot-note { margin-top: 26px; font-size: 13.5px; color: var(--faint); }

/* Sections inside <main> keep their own rhythm. */
main section { padding: 56px 0; }

@media (prefers-reduced-motion: reduce) {
  .hero-media video { transition: none; }
}

/* The herd must never compete with the sentence. On wide screens the field is
   pushed right (in scroll.js) and this scrim keeps the left column calm. */
.story-scrim {
  position: sticky; top: 0; height: 100vh; margin-bottom: -100vh;
  z-index: 0; pointer-events: none;
  background: linear-gradient(
    90deg,
    var(--pa) 0%,
    color-mix(in srgb, var(--pa) 92%, transparent) 26%,
    color-mix(in srgb, var(--pa) 55%, transparent) 46%,
    transparent 68%
  );
}
@media (max-width: 860px) {
  /* Narrow: no room for two columns, so calm the whole field instead. */
  .story-scrim {
    background: color-mix(in srgb, var(--pa) 72%, transparent);
  }
}
.beat-in { position: relative; z-index: 2; }

/* Scroll room after the last beat so the resolved lanes are held, not flashed. */
.beat-hold { height: 60vh; position: relative; z-index: 1; }