/* Yolk landing page. Colours and type match the app (src/constants/theme.ts). */
:root {
  --cream: #FBF3E4;
  --sand: #F3E7CF;
  --surface: #FFFFFF;
  --ink: #2A2420;
  --muted: #5E5248;
  --line: #EADFCB;
  --amber: #F2A01A;
  --amber-ink: #8A5300;
  --amber-soft: #FDF0D6;
  --amber-on-dark: #F7C46A;
  --slate: #3E5C76;
  --slate-soft: #E3EAF0;
  --night: #221D1A;
  --on-night: #FBF3E4;
  --on-night-muted: #D8CCBA;
  --radius: 22px;
  --display: 'Fredoka', 'Figtree', system-ui, sans-serif;
  --body: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber-ink); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.12; margin: 0 0 16px; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 7vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4.6vw, 2.7rem); }
h3 { font-size: clamp(1.35rem, 3vw, 1.7rem); }
p { margin: 0 0 14px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }
.center { text-align: center; }
section { padding: 72px 0; }
@media (min-width: 760px) { section { padding: 104px 0; } .wrap { padding: 0 32px; } }

.eyebrow { font-weight: 600; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber-ink); margin-bottom: 14px; }
.eyebrow.on-dark { color: var(--amber-on-dark); }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 34em; }
.body-lg { font-size: 1.1rem; }
.sub { color: var(--muted); font-size: 1.1rem; margin-bottom: 48px; }
.fine { font-size: 0.9rem; color: var(--muted); }
.source { font-size: 0.85rem; color: var(--muted); }
.source.on-dark, .source.on-dark a { color: var(--on-night-muted); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--cream);
  font: 600 1.05rem var(--body); text-decoration: none;
  padding: 15px 26px; border-radius: 999px; border: 0; cursor: pointer;
  min-height: 52px; transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: #000; transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 3px; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn-small { padding: 10px 18px; min-height: 44px; font-size: 0.95rem; }
.link { font-weight: 600; color: var(--ink); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin: 28px 0 14px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: rgba(251, 243, 228, 0.92);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
}
@media (min-width: 760px) { .nav { padding: 14px 32px; } }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font: 600 1.6rem var(--display); }
.mark { width: 38px; height: 38px; }

/* Phones */
.phone {
  margin: 0; width: min(300px, 78vw); border-radius: 40px; overflow: hidden;
  border: 9px solid var(--ink); background: var(--cream);
  box-shadow: 0 30px 60px -20px rgba(42, 36, 32, 0.35), 0 8px 18px -8px rgba(42, 36, 32, 0.25);
}
.phone.small { width: min(260px, 70vw); }
.phone img { width: 100%; }

/* Hero */
.hero { padding-top: 40px; overflow: hidden; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
.hero-art { position: relative; display: flex; justify-content: center; }
.glow {
  position: absolute; width: 440px; height: 440px; max-width: 120vw; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: radial-gradient(circle at 42% 50%, rgba(242, 160, 26, 0.38), transparent 58%), radial-gradient(circle at 62% 52%, rgba(62, 92, 118, 0.18), transparent 60%);
  filter: blur(8px);
}
.hero .phone { position: relative; transform: rotate(2deg); }
@media (min-width: 900px) {
  .hero { padding-top: 64px; }
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
}

/* Problem */
.problem { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats { display: grid; gap: 16px; margin: 32px 0 12px; }
@media (min-width: 640px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat { background: var(--amber-soft); border-radius: var(--radius); padding: 24px; }
.stat p { margin: 0; }
.num { font: 600 2.6rem/1.1 var(--display); color: var(--amber-ink); margin-bottom: 8px !important; }
.problem .source { margin-bottom: 28px; }

/* How it works */
.step { display: grid; gap: 28px; align-items: center; justify-items: center; margin-bottom: 72px; }
.step:last-child { margin-bottom: 0; }
.step > div { max-width: 520px; }
.step-n { font-weight: 600; color: var(--amber-ink); letter-spacing: 0.04em; margin-bottom: 8px; }
@media (min-width: 820px) {
  .step { grid-template-columns: 1fr 1fr; gap: 64px; margin-bottom: 96px; }
  .step > figure { justify-self: end; }
  .step > div { justify-self: start; }
  .step.flip > figure { order: 2; justify-self: start; }
  .step.flip > div { justify-self: end; }
}

/* Calm */
.calm { background: var(--sand); }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.ticks li { background: var(--surface); border-radius: 18px; padding: 18px 20px 18px 54px; position: relative; }
.ticks li::before {
  content: ''; position: absolute; left: 18px; top: 21px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--amber) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232A2420' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}

/* Partners (dark) */
.partners { background: var(--night); color: var(--on-night); }
.partners p { color: var(--on-night-muted); font-size: 1.08rem; }
.partners h2 { color: var(--on-night); }
.partners a { color: var(--amber-on-dark); }
.partners .phone { border-color: #3a322d; }
.partners-grid { display: grid; gap: 48px; align-items: center; justify-items: center; }
.partners-grid > div { max-width: 560px; }
@media (min-width: 900px) {
  .partners-grid { grid-template-columns: 1.2fr 0.8fr; gap: 72px; }
  .partners-grid.flip { grid-template-columns: 0.8fr 1.2fr; }
}

/* Stages */
.stages { background: var(--surface); }
.stage-grid { display: grid; gap: 14px; margin: 36px 0 24px; }
@media (min-width: 760px) { .stage-grid { grid-template-columns: repeat(3, 1fr); } }
.stage { border: 1.5px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stage p { margin: 0; color: var(--muted); }
.stage .stage-name { font: 600 1.35rem var(--display); color: var(--ink); margin-bottom: 8px; }
.stage.here { border-color: var(--amber); background: var(--amber-soft); }

/* Won't */
.wont-list { margin: 28px 0 0; display: grid; gap: 2px; border-radius: var(--radius); overflow: hidden; }
.wont-list div { background: var(--surface); padding: 18px 22px; display: grid; gap: 2px; }
@media (min-width: 640px) { .wont-list div { grid-template-columns: 210px 1fr; gap: 16px; } }
.wont-list dt { font-weight: 600; }
.wont-list dd { margin: 0; color: var(--muted); }

/* Story */
.story { background: var(--amber-soft); }
.sign { font: 600 1.2rem var(--display); margin-top: 22px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; font-weight: 600; font-size: 1.08rem; padding: 16px 40px 16px 0; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 10px; font: 600 1.6rem var(--display); color: var(--amber-ink); }
details[open] summary::after { content: '–'; }
details p { color: var(--muted); padding-right: 32px; }

/* Join */
.join { background: var(--night); color: var(--on-night); }
.join h2 { color: var(--on-night); }
.join .body-lg { color: var(--on-night-muted); }
.form { background: var(--cream); color: var(--ink); border-radius: 28px; padding: 24px; margin-top: 28px; display: grid; gap: 18px; }
@media (min-width: 640px) { .form { padding: 36px; } }
.form > label, legend { font-weight: 600; margin-bottom: -8px; }
legend { margin-bottom: 10px; padding: 0; }
.opt { font-weight: 400; color: var(--muted); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
input[type=email] {
  width: 100%; font: 400 1.05rem var(--body); color: var(--ink);
  padding: 14px 16px; min-height: 52px; border-radius: 14px; border: 1.5px solid #D9CBB2; background: var(--surface);
}
input[type=email]:focus { outline: 3px solid var(--amber); outline-offset: 1px; border-color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chips span { display: inline-block; padding: 11px 18px; border: 1.5px solid #D9CBB2; border-radius: 999px; background: var(--surface); font-weight: 500; min-height: 44px; }
.chips input:checked + span { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.form .btn { justify-self: start; }
.form .fine { margin: 0; }
.form-msg { margin: 0; font-weight: 600; min-height: 1.6em; }

/* Footer */
.footer { padding: 48px 0 56px; background: var(--cream); }
.foot-grid { display: grid; gap: 24px; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1fr auto; } .help { grid-column: 1 / -1; } }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
.foot-links a { color: var(--ink); font-weight: 500; }
.help { font-size: 0.92rem; color: var(--muted); background: var(--sand); border-radius: 16px; padding: 14px 18px; margin: 0; }

/* Simple pages (privacy, support) */
.page { padding: 40px 0 80px; }
.page h1 { font-size: clamp(2rem, 6vw, 3rem); }
.page h2 { font-size: 1.45rem; margin-top: 36px; }
.page li { margin-bottom: 8px; }
.updated { color: var(--muted); }