/* Us Roll — marketing site.
   Tokens lifted from design.md §2 and UsRoll/DesignSystem/, so the site and the
   app read as one thing: near-black ground, amber/blue blooms behind glass,
   SF Pro for prose and SF Mono for anything countable. */

:root {
  --ground: #0a0a0c;
  --ground-deep: #08080a;
  --ink: #ffffff;
  --ink-2: rgba(255, 255, 255, 0.62);
  --ink-3: rgba(255, 255, 255, 0.42);
  --ink-4: rgba(255, 255, 255, 0.26);
  --amber: #f8b65d;
  --amber-dim: rgba(248, 182, 93, 0.7);
  --green: #4fd67f;

  --glass: rgba(255, 255, 255, 0.055);
  --glass-hi: rgba(255, 255, 255, 0.1);
  --edge: rgba(255, 255, 255, 0.12);
  --edge-hi: rgba(255, 255, 255, 0.22);

  --ui: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, "DejaVu Sans Mono", monospace;

  --pad: clamp(20px, 5vw, 56px);
  --max: 1180px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: #ffd39a; }

::selection { background: rgba(248, 182, 93, 0.28); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- ground: blooms + the diagonal grain from build.py ---------- */

.ground {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--ground);
}
.ground::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58vw 46vw at 8% -6%, rgba(248, 182, 93, 0.17), transparent 62%),
    radial-gradient(52vw 44vw at 96% 4%, rgba(96, 128, 255, 0.13), transparent 60%),
    radial-gradient(70vw 50vw at 50% 108%, rgba(248, 182, 93, 0.07), transparent 65%);
}
.ground::after {
  content: "";
  position: absolute;
  inset: -20%;
  opacity: 0.03;
  background: repeating-linear-gradient(
    122deg,
    #fff 0 9px,
    transparent 9px 18px
  );
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- type ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 18px;
}
.eyebrow.muted { color: var(--ink-3); }

h1, h2, h3 { font-weight: 700; margin: 0; text-wrap: balance; }

h1 {
  font-size: clamp(40px, 5.9vw, 66px);
  line-height: 0.99;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.028em;
}

h3 {
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.012em;
}

.lede {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 48ch;
  text-wrap: pretty;
}

.mono { font-family: var(--mono); }

.stamp {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  background: rgba(10, 10, 12, 0.66);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 62px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--ink); }
.brand .mark { width: 26px; height: 26px; color: var(--ink); flex: none; }
.site-head nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
}
.site-head nav a {
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
}
.site-head nav a:hover { color: var(--ink); }
.site-head nav .btn { color: #0a0a0c; }
@media (max-width: 620px) {
  .site-head nav .hide-sm { display: none; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #0a0a0c;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.16s ease;
}
.btn:hover { background: #fff; color: #0a0a0c; transform: translateY(-1px); }
.btn.ghost {
  background: var(--glass);
  color: var(--ink);
  border: 0.5px solid var(--edge-hi);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.btn.ghost:hover { background: rgba(255, 255, 255, 0.1); color: var(--ink); }

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

.hero { padding: clamp(48px, 7vw, 84px) 0 clamp(36px, 5vw, 64px); }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  gap: clamp(28px, 4.4vw, 56px);
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lede { margin: 0 0 30px; }

.hero-shot {
  position: relative;
  justify-self: center;
  width: min(100%, 360px);
}
.hero-shot img { border-radius: 14px; }
.hero-shot::before {
  content: "";
  position: absolute;
  inset: -14% -8%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(248, 182, 93, 0.2), transparent 72%);
}

.signup {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 460px;
}
.signup input {
  flex: 1 1 220px;
  min-width: 0;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0.5px solid var(--edge-hi);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--ink);
  font-family: inherit;
  font-size: 15.5px;
}
.signup input::placeholder { color: var(--ink-4); }
.signup .note {
  flex: 1 0 100%;
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--ink-3);
}

.hero-stamp {
  margin: 34px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

/* ---------- the three rules ---------- */

.rules { padding: clamp(24px, 5vw, 44px) 0; }
.rules .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.rule {
  padding: 26px 24px 24px;
  border-radius: 26px;
  background: var(--glass);
  border: 0.5px solid var(--edge);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.rule b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(34px, 4.6vw, 46px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  margin-bottom: 12px;
}
.rule p { margin: 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.45; }
.rule p strong { color: var(--ink); font-weight: 600; }

/* ---------- steps ---------- */

.steps { padding: clamp(48px, 8vw, 92px) 0 clamp(24px, 4vw, 40px); }
.section-head { max-width: 52ch; margin-bottom: clamp(36px, 6vw, 64px); }
.section-head .lede { margin: 18px 0 0; }

.step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 0.5px solid rgba(255, 255, 255, 0.07);
}
.step:nth-child(even) .step-shot { order: -1; }
.step-copy h3 {
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.026em;
  margin-bottom: 14px;
}
.step-copy p { margin: 0; color: var(--ink-2); max-width: 42ch; text-wrap: pretty; }
.step-copy p + p { margin-top: 14px; }
.step-shot {
  position: relative;
  /* pull both columns toward the centre line, so a 300px phone beside two
     paragraphs does not leave a corridor of ground between them */
  justify-self: start;
  width: min(100%, 300px);
}
.step:nth-child(even) .step-shot { justify-self: end; }
.step-shot img { border-radius: 13px; }
.step-shot::before {
  content: "";
  position: absolute;
  inset: -12% -10%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(248, 182, 93, 0.15), transparent 70%);
}
.step-n {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.19em;
  color: var(--amber);
  margin: 0 0 16px;
}

/* ---------- never list ---------- */

.never { padding: clamp(56px, 9vw, 100px) 0; }
.never-grid {
  margin-top: clamp(28px, 5vw, 44px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(292px, 1fr));
  gap: 12px;
}
.never-grid li {
  list-style: none;
  padding: 22px 22px 20px;
  border-radius: 22px;
  background: var(--glass);
  border: 0.5px solid var(--edge);
}
.never-grid h3 { margin-bottom: 7px; }
.never-grid p { margin: 0; font-size: 15px; line-height: 1.45; color: var(--ink-2); }
.never-grid ul { margin: 0; padding: 0; }

/* ---------- price ---------- */

.price { padding: clamp(20px, 4vw, 40px) 0 clamp(56px, 9vw, 96px); }
.price-card {
  border-radius: 30px;
  padding: clamp(30px, 5vw, 52px);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  border: 0.5px solid var(--edge-hi);
  backdrop-filter: blur(30px) saturate(190%);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}
.price-card h2 { margin-bottom: 16px; }
.price-card p { margin: 0; color: var(--ink-2); }
.price-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.price-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15.5px;
  color: var(--ink-2);
}
.price-list .k {
  flex: none;
  width: 5.4em;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--amber-dim);
}
.price-list strong { color: var(--ink); font-weight: 600; }

/* ---------- faq ---------- */

.faq { padding: 0 0 clamp(56px, 9vw, 96px); }
.faq dl { margin: clamp(26px, 5vw, 42px) 0 0; display: grid; gap: 2px; }
.faq details {
  border-top: 0.5px solid rgba(255, 255, 255, 0.09);
  padding: 20px 0;
}
.faq details:last-of-type { border-bottom: 0.5px solid rgba(255, 255, 255, 0.09); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-weight: 400;
  color: var(--amber);
  flex: none;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--ink-2); max-width: 62ch; text-wrap: pretty; }

/* ---------- cta band ---------- */

.cta { padding: 0 0 clamp(60px, 9vw, 100px); text-align: center; }
.cta .mark { width: 54px; height: 54px; color: var(--ink); margin: 0 auto 26px; }
.cta h2 { margin-bottom: 18px; }
.cta .lede { margin: 0 auto 30px; }
.cta .signup { margin-inline: auto; justify-content: center; }
.cta .signup .note { text-align: center; }

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

.site-foot {
  border-top: 0.5px solid rgba(255, 255, 255, 0.09);
  padding: 40px 0 52px;
  background: var(--ground-deep);
}
.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
}
.site-foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-foot nav a { color: var(--ink-2); font-size: 15px; }
.site-foot nav a:hover { color: var(--ink); }
.foot-flywheel {
  margin-left: auto;
  font-size: 15px;
  color: var(--ink-3);
}
.foot-flywheel a { font-weight: 600; }
.foot-legal {
  flex: 1 0 100%;
  margin: 0;
  font-size: 13px;
  color: var(--ink-4);
}

/* ---------- legal pages ---------- */

.legal { padding: clamp(44px, 7vw, 84px) 0 clamp(56px, 9vw, 96px); }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(36px, 6vw, 58px); margin-bottom: 16px; }
.legal .updated {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 40px;
}
.legal .summary {
  padding: 26px 26px 22px;
  border-radius: 24px;
  background: var(--glass);
  border: 0.5px solid var(--edge);
  margin-bottom: 44px;
}
.legal .summary h2 { font-size: 19px; letter-spacing: -0.012em; margin-bottom: 12px; }
.legal .summary ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.legal .summary li { margin: 7px 0; }
.legal h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin: 44px 0 14px;
  scroll-margin-top: 80px;
}
.legal h3 { margin: 26px 0 8px; font-size: 17px; }
.legal p, .legal li { color: var(--ink-2); text-wrap: pretty; }
.legal p { margin: 0 0 14px; }
.legal ul, .legal ol { margin: 0 0 14px; padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
  font-size: 15px;
}
.legal th, .legal td {
  text-align: left;
  padding: 11px 14px 11px 0;
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.09);
  vertical-align: top;
  color: var(--ink-2);
}
.legal th { color: var(--ink); font-weight: 600; }
.legal .table-scroll { overflow-x: auto; }
.legal .toc {
  margin: 0 0 44px;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 32px;
  font-size: 15px;
}
.legal .toc li { margin: 0 0 8px; break-inside: avoid; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero .wrap,
  .step,
  .price-card { grid-template-columns: 1fr; }
  /* copy leads on a narrow screen — a full-height phone above the headline
     pushes the whole proposition below the fold */
  .hero-shot { margin-top: 10px; width: min(74%, 262px); }
  .step:nth-child(even) .step-shot { order: 0; }
  .step-shot,
  .step:nth-child(even) .step-shot { justify-self: start; width: min(74%, 262px); }
  .rules .wrap { grid-template-columns: 1fr; }
  .foot-flywheel { margin-left: 0; flex: 1 0 100%; }
  .legal .toc { columns: 1; }
}