/* Iron & Oven marketing site. Tokens: tokens.css; components: components.css (from docs/design-system). */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-text); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.caps { font: 700 12px/16px var(--font-text); letter-spacing: 0.72px; text-transform: uppercase; color: var(--ink-muted); }
.muted { color: var(--ink-muted); }
.row { display: flex; align-items: center; gap: 8px; }
.ico { width: 20px; height: 20px; flex: none; display: inline-block; }
.ico svg { width: 100%; height: 100%; display: block; }
.card { background: var(--surface); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.amp { color: var(--ember-print); }

/* Header */
.site-head { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: 28px; width: auto; display: block; }
.brand span { font: 400 16px/20px var(--font-display); letter-spacing: 0.4px; text-transform: uppercase; white-space: nowrap; }
.site-nav { display: flex; gap: 24px; margin-left: auto; flex-wrap: wrap; align-items: center; font: 600 15px/20px var(--font-text); }
.site-nav a { text-decoration: none; }
.site-nav a:not(.io-btn):hover { color: var(--ember-ink); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 48px; }
.hero-glow { position: absolute; left: 50%; top: 40%; width: 720px; height: 720px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, var(--ember-glow) 0%, transparent 62%); pointer-events: none; }
.hero-inner { position: relative; display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.hero-copy { flex: 1 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.hero-badge { display: flex; align-items: center; gap: 20px; }
.hero-badge img { width: 120px; height: 120px; border-radius: 27px; display: block; }
.hero-badge span { font: 400 26px/30px var(--font-display); letter-spacing: 0.5px; text-transform: uppercase; }
.hero h1 { margin: 0; font: 400 72px/0.95 var(--font-display); letter-spacing: -0.02em; }
.lede { margin: 0; font: 400 20px/28px var(--font-text); color: var(--ink-muted); max-width: 520px; }
.ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.fine { margin: 0; font: 400 13px/18px var(--font-text); color: var(--ink-muted); }
.hero-phones { flex: 1 1 420px; min-width: 0; display: flex; justify-content: center; gap: 24px; align-items: flex-start; }

/* Phone frame around a rendered screen */
.phone { width: 290px; aspect-ratio: 390 / 844; border-radius: 36px; background: var(--charcoal); box-shadow: 0 0 0 10px var(--soot), 0 0 0 11px var(--hairline); overflow: hidden; flex: none; }
.phone img { width: 100%; height: 100%; object-fit: cover; display: block; }
.phone--lg { width: 331px; border-radius: 40px; }
.phone--offset { margin-top: 72px; }

/* Sections */
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-top: 48px; padding-bottom: 48px; }
.trio .card { gap: 12px; padding: 28px; }
.trio .word { font: 400 34px/38px var(--font-display); color: var(--ember-ink); }
.trio p { margin: 0; font: 400 17px/24px var(--font-text); }
.feature { padding-top: 24px; padding-bottom: 48px; }
.feature .card { padding: 40px; flex-direction: row; flex-wrap: wrap; gap: 40px; align-items: center; }
.feature-copy { flex: 1 1 380px; display: flex; flex-direction: column; gap: 16px; }
h2.display { margin: 0; font: 400 44px/48px var(--font-display); }
h2.display-sm { margin: 0; font: 400 28px/32px var(--font-display); }
.feature-copy p { margin: 0; font: 400 18px/26px var(--font-text); color: var(--ink-muted); }
.pills { gap: 8px; flex-wrap: wrap; }
.how { padding-top: 48px; padding-bottom: 48px; display: flex; flex-direction: column; gap: 32px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .n { font: 400 44px/44px var(--font-display); color: var(--ember-ink); min-width: 40px; }
.step b { display: block; font: 600 20px/26px var(--font-text); margin-bottom: 6px; }
.step span { font: 400 16px/22px var(--font-text); color: var(--ink-muted); }
.gallery { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; padding-top: 16px; }
.privacy .card { padding: 32px; gap: 24px; flex-direction: row; flex-wrap: wrap; align-items: center; }
.privacy-copy { flex: 1 1 360px; display: flex; flex-direction: column; gap: 8px; }
.privacy-copy p { margin: 0; font: 400 17px/24px var(--font-text); color: var(--ink-muted); }
.checks { flex: 0 1 300px; display: flex; flex-direction: column; gap: 8px; }
.checks .ico { color: var(--ember-ink); }
.pricing { padding-top: 24px; padding-bottom: 72px; display: flex; flex-direction: column; gap: 24px; align-items: center; text-align: center; }
.pricing p { margin: 0; font: 400 17px/24px var(--font-text); color: var(--ink-muted); max-width: 520px; }
.plan-row { display: flex; gap: 12px; width: 100%; max-width: 640px; text-align: left; }
.plan-row .io-plan { flex: 1; flex-direction: column; align-items: flex-start; gap: 6px; }

/* Footer */
.site-foot { box-shadow: inset 0 1px 0 var(--hairline); padding: 32px 0; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; font: 400 14px/20px var(--font-text); color: var(--ink-muted); }
.site-foot nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--ink); }
.site-foot .copy { margin-left: auto; }

/* Long-form pages (privacy, terms, support) */
.doc { max-width: 720px; margin: 0 auto; padding: 48px 24px 96px; }
.doc h1 { font: 400 44px/48px var(--font-display); margin: 0 0 8px; }
.doc h2 { font: 400 22px/28px var(--font-display); margin: 40px 0 8px; }
.doc p, .doc li { font: 400 17px/26px var(--font-text); color: var(--ink); }
.doc .meta { color: var(--ink-muted); font-size: 15px; }
.doc a { color: var(--ember-ink); }
.doc ul { padding-left: 20px; }

[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.site-nav a[aria-current="page"] { color: var(--ember-ink); }
.lede { overflow-wrap: anywhere; }

/* Waitlist form (landing, /beta/) */
.beta { padding-top: 24px; padding-bottom: 72px; }
.beta .card { padding: 40px; flex-direction: row; flex-wrap: wrap; gap: 40px; align-items: flex-start; }
.beta-copy { flex: 1 1 340px; display: flex; flex-direction: column; gap: 12px; }
.beta-copy p { margin: 0; font: 400 17px/24px var(--font-text); color: var(--ink-muted); }
.beta-form { flex: 1 1 360px; min-width: 0; }
.waitlist { display: flex; flex-direction: column; gap: var(--space-4); }
.waitlist .io-btn { align-self: flex-start; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field .io-caps .muted { text-transform: none; letter-spacing: 0; font-weight: 400; }
.form-input { width: 100%; min-height: var(--size-touch); background: var(--surface-raised); color: var(--ink); border: 0; border-radius: var(--radius-md); padding: 10px 12px; font: 400 17px/22px var(--font-text); }
.form-input::placeholder { color: var(--ink-faint); }
.form-input:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.waitlist-done { display: flex; flex-direction: column; gap: 8px; outline: none; }
.waitlist-done .ico { color: var(--ember-ink); width: 28px; height: 28px; }
.waitlist-done p { margin: 0; font: 400 17px/24px var(--font-text); color: var(--ink-muted); }
.beta-page { max-width: 1120px; }
.beta-page .beta { padding-top: 32px; }
.beta-page h1 { margin: 0; font: 400 52px/1 var(--font-display); }
.beta-points { margin: 8px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--ink); font: 400 16px/22px var(--font-text); }
.beta-points li { display: flex; gap: 10px; align-items: flex-start; }
.beta-points .ico { color: var(--ember-ink); margin-top: 1px; }

/* Listings: /exercises/, /guides/ */
.listing { padding-top: 32px; padding-bottom: 72px; display: flex; flex-direction: column; gap: 32px; }
.listing-head { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.listing-head h1.display { margin: 0; font: 400 44px/48px var(--font-display); }
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; position: sticky; top: 0; z-index: 2; background: var(--bg); padding: 12px 0; margin: -12px 0; }
.filters .io-search { flex: 1 1 320px; min-width: 0; }
.filters .fine { flex-basis: 100%; }
.select select { min-height: var(--size-touch); background: var(--surface-raised); color: var(--ink); border: 0; border-radius: var(--radius-md); padding: 0 36px 0 12px; font: 400 16px/22px var(--font-text); appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.select select:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.jump { flex-wrap: wrap; overflow: visible; }
.jump .io-chip { text-decoration: none; }
.pattern { display: flex; flex-direction: column; gap: 12px; scroll-margin-top: 80px; }
.pattern h2 { margin: 0; }
.pattern .count { font: 400 15px/20px var(--font-text); }
.io-lrow__title .io-lrow__sub { display: block; }
.io-lrow { min-width: 0; }
.io-lrow__title { overflow-wrap: anywhere; }
.io-lrow:hover .io-lrow__title { color: var(--ember-ink); }
.io-lrow:hover .io-lrow__sub { color: var(--ink-muted); }
.empty { margin: 0; color: var(--ink-muted); font: 400 17px/24px var(--font-text); }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.guide-card { padding: 24px; text-decoration: none; gap: 12px; }
.guide-card p { margin: 0; flex: 1; font: 400 16px/22px var(--font-text); color: var(--ink-muted); }
.guide-card:hover .display-sm { color: var(--ember-ink); }

/* Exercise and guide pages (inside .doc) */
.doc .crumbs { font: 600 14px/20px var(--font-text); color: var(--ink-muted); margin-bottom: 16px; }
.doc .crumbs a { color: var(--ink-muted); text-decoration: none; }
.doc .crumbs a:hover { color: var(--ink); }
.doc h1 { overflow-wrap: anywhere; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; margin: 24px 0 0; }
.facts div { display: flex; flex-direction: column; gap: 4px; }
.facts dd { margin: 0; font: 400 17px/24px var(--font-text); }
.steps-list li + li { margin-top: 8px; }
.dose { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 8px 0 12px; }
.dose .io-card { display: flex; flex-direction: column; gap: 4px; }
.dose__num { font: 400 22px/28px var(--font-display); font-variant-numeric: tabular-nums; }
.doc .fine { margin: 8px 0 0; font-size: 14px; line-height: 20px; }
.doc .io-group { margin: 8px 0 0; }
.doc .io-group a { color: var(--ink); }
.app-cta { margin-top: 48px; padding: 28px; gap: 12px; }
.app-cta h2.display-sm { margin: 0; }
.app-cta p { margin: 0; color: var(--ink-muted); }
.app-cta a.io-btn { color: var(--on-ember); }
.guide .standfirst { font: 400 20px/28px var(--font-text); color: var(--ink-muted); }
.guide h3 { font: 600 19px/26px var(--font-text); margin: 28px 0 4px; }
.guide blockquote { margin: 24px 0; padding: 4px 0 4px 20px; box-shadow: inset 3px 0 0 var(--hairline); }
.guide blockquote p { color: var(--ink-muted); }
.guide hr { border: 0; height: 1px; background: var(--hairline); margin: 32px 0; }
.guide code { font: 400 15px/22px var(--font-mono); background: var(--surface-raised); padding: 1px 5px; border-radius: 4px; }
.guide h2#sources + ul li, .guide h2#sources + ol li { font-size: 15px; line-height: 22px; color: var(--ink-muted); overflow-wrap: anywhere; }
.guide .disclaimer { margin-top: 32px; font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.guide .more { margin-top: 48px; display: flex; flex-direction: column; gap: 12px; }

/* Phones and small tablets */
@media (max-width: 860px) {
  .trio, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .hero h1 { font-size: 52px; }
  h2.display { font-size: 34px; line-height: 38px; }
  .phone--offset { display: none; }
  .phone, .phone--lg { width: min(290px, 78vw); }
  .feature .card, .privacy .card { padding: 24px; }
  .plan-row { flex-direction: column; }
  .site-nav { gap: 16px; font-size: 14px; }
  .site-nav .hide-sm { display: none; }
  .site-foot .copy { margin-left: 0; }
  .beta .card { padding: 24px; gap: 28px; }
  .beta-page h1 { font-size: 40px; }
  .listing-head h1.display { font-size: 34px; line-height: 38px; }
  .guide-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .facts { grid-template-columns: 1fr; }
  .filters .select { flex: 1 1 140px; }
  .filters .select select { width: 100%; }
  .waitlist .io-btn { align-self: stretch; }
}
@media (max-width: 420px) {
  .hero-badge img { width: 88px; height: 88px; border-radius: 20px; }
  .hero h1 { font-size: 44px; }
}