/* scalingwebapps.com — site styles
   Hand-written, no framework. Mobile-first; desktop is the adaptation.
   Load after design-tokens.css. */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: var(--lh-tight); letter-spacing: var(--tracking-tight); margin: 0; }
h1 { font-size: var(--step-5); font-weight: 700; }
h2 { font-size: var(--step-3); font-weight: 650; }
h3 { font-size: var(--step-2); font-weight: 620; line-height: var(--lh-snug); }
p  { margin: 0; text-wrap: pretty; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: color-mix(in oklab, var(--accent) 78%, var(--ink)); }

img, svg { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 20;
  background: var(--surface); color: var(--ink);
  padding: var(--s-3) var(--s-4); border-radius: 0 0 var(--r-1) 0;
}
.skip:focus { left: 0; }

.wrap {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.measure { max-width: var(--measure); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4); min-height: 56px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none; font-weight: 620;
  letter-spacing: var(--tracking-tight);
  min-height: var(--tap);
}
.brand .mark {
  width: 26px; height: 26px; border-radius: 7px; flex: none;
  background: var(--ink);
  -webkit-mask: radial-gradient(circle at 30% 30%, transparent 0 5px, #000 5.5px);
          mask: radial-gradient(circle at 30% 30%, transparent 0 5px, #000 5.5px);
}
.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: var(--step--1);
  padding: 10px var(--s-3); border-radius: var(--r-1);
  min-height: var(--tap); display: inline-flex; align-items: center;
}
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- Sections ---------- */
main { display: block; }
.section { padding-block: var(--s-7); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-4); margin-bottom: var(--s-5); }
.eyebrow {
  font-size: var(--step--1); font-weight: 620; color: var(--ink-3);
  letter-spacing: .06em; text-transform: uppercase; margin: 0 0 var(--s-3);
}
.lede { font-size: var(--step-1); color: var(--ink-2); }

/* ---------- Buttons / badge ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: var(--tap); padding: 0 var(--s-5);
  border-radius: var(--r-pill); border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink);
  font: inherit; font-weight: 600; font-size: var(--step-0);
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--surface-2); color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); border-color: transparent; color: var(--accent-ink);
}
.btn-primary:hover { background: color-mix(in oklab, var(--accent) 88%, var(--ink)); color: var(--accent-ink); }
.btn-block { width: 100%; }

/* Apple "Download on the App Store" badge.
   PLACEHOLDER GEOMETRY — swap the inner markup for Apple's official badge
   artwork (SVG) at ship time; the wrapper keeps size + tap target correct. */
.appstore {
  padding: 0; border: 0; background: none;
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 18px 0 16px;
  background: #000; color: #fff; text-decoration: none;
  border: 1px solid #000; border-radius: 10px;
}
@media (prefers-color-scheme: dark) { .appstore { border-color: #55585e; } }
.appstore:hover { color: #fff; background: #151515; }
.appstore .apple { width: 22px; height: 26px; flex: none; fill: #fff; }
.appstore .txt { display: grid; line-height: 1.1; text-align: left; }
.appstore .txt small { font-size: 11px; letter-spacing: .02em; opacity: .82; }
.appstore .txt strong { font-size: 18px; font-weight: 550; letter-spacing: -0.01em; }

/* ---------- App card (home + strips) ---------- */
.app-grid { display: grid; gap: var(--s-3); grid-template-columns: 1fr; }
@media (min-width: 720px)  { .app-grid { grid-template-columns: 1fr 1fr; gap: var(--s-4); } }
@media (min-width: 1000px) { .app-grid { grid-template-columns: 1fr 1fr 1fr; } }

.app-card {
  display: grid; grid-template-columns: 60px 1fr auto; align-items: center;
  gap: var(--s-4); padding: var(--s-4);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-2); text-decoration: none; color: inherit;
  min-height: 84px;
}
.app-card:hover { border-color: var(--line-strong); background: var(--surface-2); color: inherit; }
.app-card:active { transform: translateY(1px); }
.app-card > span:nth-child(2) { display: grid; gap: 1px; min-width: 0; }
.app-card .name, .app-card .desc, .app-card .cat { display: block; }
.app-card .name { font-weight: 640; font-size: var(--step-1); letter-spacing: var(--tracking-tight); }
.app-card .desc { color: var(--ink-2); font-size: var(--step--1); line-height: 1.45; }
.app-card .cat  { color: var(--ink-3); font-size: var(--step--1); }
.app-card .chev { color: var(--ink-3); font-size: 20px; }

/* App icon: real 1024×1024 icon drops into <img class="icon">.
   The monogram fallback below keeps layout honest before assets land. */
.icon {
  width: 60px; height: 60px; border-radius: 14px; flex: none;
  display: grid; place-items: center;
  background: var(--app-accent, var(--ink-3));
  color: #fff; font-weight: 700; font-size: 24px; letter-spacing: -0.02em;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
  overflow: hidden;
}
.icon-lg { width: 96px; height: 96px; border-radius: 22px; font-size: 38px; }

.pill {
  display: inline-block; font-size: var(--step--1); font-weight: 600;
  color: var(--ink-2); background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--r-pill);
  padding: 3px 10px;
}

/* ---------- Value points ---------- */
.points { display: grid; gap: var(--s-5); grid-template-columns: 1fr; margin: 0; padding: 0; list-style: none; }
@media (min-width: 720px) { .points { grid-template-columns: 1fr 1fr; column-gap: var(--s-7); } }
.points h3 { font-size: var(--step-1); margin-bottom: 4px; }
.points p { color: var(--ink-2); font-size: var(--step-0); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); background: var(--bg-sunken);
  padding-block: var(--s-7) var(--s-6); margin-top: var(--s-7);
  font-size: var(--step--1);
}
.footer-cols { display: grid; gap: var(--s-6); grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer-cols { grid-template-columns: 2fr 1fr 1fr; } }
.footer-cols h2 { font-size: var(--step--1); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); font-weight: 620; margin-bottom: var(--s-3); }
.footer-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.footer-cols a { color: var(--ink-2); text-decoration: none; display: inline-flex; align-items: center; min-height: var(--tap); }
.footer-cols a:hover { color: var(--ink); text-decoration: underline; }
.colophon { color: var(--ink-3); margin-top: var(--s-6); padding-top: var(--s-4); border-top: 1px solid var(--line); }

/* ---------- App page ---------- */
.app-hero { padding-block: var(--s-7) var(--s-6); }
.app-hero-grid { display: grid; gap: var(--s-5); }
.app-hero-id { display: flex; align-items: center; gap: var(--s-4); }
.app-hero h1 { font-size: var(--step-4); }
.app-hero .subtitle { color: var(--ink-2); font-size: var(--step-0); margin-top: 2px; }
.app-hero .cat { color: var(--ink-3); font-size: var(--step--1); }
.pitch { font-size: var(--step-2); line-height: var(--lh-snug); letter-spacing: var(--tracking-tight); max-width: 22ch; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); }
.cta-note { color: var(--ink-3); font-size: var(--step--1); }
@media (min-width: 860px) {
  .app-hero { padding-block: var(--s-8) var(--s-7); }
  .app-hero-grid { grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: var(--s-7); }
  .app-hero-id { grid-column: 1; }
  .pitch { grid-column: 1; max-width: 34ch; font-size: var(--step-3); }
  .cta-row { grid-column: 2; grid-row: 1 / span 2; flex-direction: column; align-items: flex-start; }
}

.shots { padding-bottom: var(--s-6); }
.shots .wrap { padding-right: 0; }
.shot-rail {
  display: flex; gap: var(--s-3); margin: 0; padding: 0 var(--gutter) var(--s-3) 0;
  list-style: none; overflow-x: auto; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch; scrollbar-width: thin;
}
.shot {
  flex: none; width: 148px; aspect-ratio: 1320 / 2868; scroll-snap-align: start;
  border: 1px solid var(--line); border-radius: var(--r-2);
  background: var(--surface-2);
  display: grid; place-items: end center; padding: var(--s-3);
  color: var(--ink-3); font-size: var(--step--1); text-align: center;
}
.rail-hint { color: var(--ink-3); font-size: var(--step--1); }
@media (min-width: 860px) {
  .shot { width: 200px; }
  .rail-hint { display: none; }
}

.features { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-5); }
@media (min-width: 720px) { .features { grid-template-columns: 1fr 1fr; column-gap: var(--s-7); gap: var(--s-6); } }
.features h3 { font-size: var(--step-1); margin-bottom: 4px; }
.features h3::before {
  content: ""; display: block; width: 26px; height: 3px; border-radius: 2px;
  background: var(--app-accent, var(--accent)); margin-bottom: var(--s-3);
}
.features p { color: var(--ink-2); }

.tiers { display: grid; gap: var(--s-4); }
@media (min-width: 720px) { .tiers { grid-template-columns: 1fr 1fr; } }
.tier { border: 1px solid var(--line); border-radius: var(--r-2); padding: var(--s-5); background: var(--surface); }
.tier-pro { border-color: color-mix(in oklab, var(--app-accent, var(--accent)) 40%, var(--line)); }
.tier h3 { font-size: var(--step-1); margin-bottom: var(--s-3); }
.tier ul { margin: 0; padding-left: 1.1em; display: grid; gap: var(--s-2); color: var(--ink-2); }

.notes { display: grid; gap: var(--s-3); color: var(--ink-2); max-width: var(--measure); }
.closing { background: var(--bg-sunken); }

/* ---------- Support page ---------- */
.wrap.narrow { max-width: 640px; margin-inline: auto; padding-inline: var(--gutter); }
.support { padding-block: var(--s-6) var(--s-4); }
.support h1 { font-size: var(--step-4); }

.faq { margin-top: var(--s-6); border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center;
  justify-content: space-between; gap: var(--s-4);
  min-height: var(--tap); padding: var(--s-3) 0;
  font-weight: 600; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 22px; font-weight: 400; color: var(--ink-3); line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 0 var(--s-4); color: var(--ink-2); display: grid; gap: var(--s-3); }

.form-card {
  margin-top: var(--s-7);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-3); padding: var(--s-5);
}
@media (min-width: 720px) { .form-card { padding: var(--s-6); } }
.form-card h2 { font-size: var(--step-2); margin-bottom: var(--s-5); }
.field { display: grid; gap: 6px; margin-bottom: var(--s-5); }
.field label, .field .label { font-weight: 600; font-size: var(--step-0); }
.field .opt { font-weight: 400; color: var(--ink-3); font-size: var(--step--1); }
.field .help { color: var(--ink-3); font-size: var(--step--1); }
.field .error { color: var(--danger); font-size: var(--step--1); font-weight: 500; }

input, select, textarea {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line-strong); border-radius: var(--r-1);
  padding: 11px 12px; min-height: var(--tap); width: 100%;
}
select { appearance: none; padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
textarea { min-height: 132px; resize: vertical; line-height: 1.5; }
input::placeholder, textarea::placeholder { color: var(--ink-3); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }

.chip {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); background: var(--surface-2);
  border-radius: var(--r-pill); padding: 6px 6px 6px 8px; font-weight: 600;
}
.chip-change {
  font: inherit; font-size: var(--step--1); font-weight: 600;
  background: none; border: 0; color: var(--accent); cursor: pointer;
  padding: 8px 10px; min-height: 32px;
}
.fineprint { margin-top: var(--s-4); color: var(--ink-3); font-size: var(--step--1); }

/* ---------- Motion ---------- */
.btn, .app-card, .nav a { transition: background-color .12s ease, border-color .12s ease, color .12s ease; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .btn:active, .app-card:active { transform: none; }
}

/* ---------- Real app icons (replace monogram) ---------- */
img.icon { object-fit: cover; background: var(--surface-2); }

/* ---------- Screenshots: real images ---------- */
.shot img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
.shot.has-img { padding: 0; background: var(--surface-2); overflow: hidden; }

/* ---------- Legal / prose pages ---------- */
.prose { max-width: 44rem; }
.prose h2 { font-size: var(--step-2); margin: var(--s-7) 0 var(--s-3); }
.prose h3 { font-size: var(--step-1); margin: var(--s-5) 0 var(--s-2); }
.prose p, .prose li { color: var(--ink-2); }
.prose p { margin-bottom: var(--s-4); }
.prose ul, .prose ol { margin: 0 0 var(--s-4); padding-left: 1.2em; display: grid; gap: var(--s-2); }
.prose section + section { border-top: 1px solid var(--line); }
.prose section { padding-top: var(--s-2); }
.prose strong { color: var(--ink); }
.updated { color: var(--ink-3); font-size: var(--step--1); margin-top: var(--s-3); }

/* ---------- Thank you ---------- */
.tick { width: 56px; height: 56px; border-radius: var(--r-pill); display: grid; place-items: center;
  background: color-mix(in oklab, var(--accent) 14%, var(--bg)); color: var(--accent);
  font-size: 28px; font-weight: 700; margin-bottom: var(--s-5); }

/* ---------- Form success / error banner ---------- */
.banner { border: 1px solid var(--line); background: var(--surface-2); border-radius: var(--r-2);
  padding: var(--s-4); margin-bottom: var(--s-5); color: var(--ink-2); }
.banner.bad { border-color: color-mix(in oklab, var(--danger) 45%, var(--line)); }

/* ---------- Apps index page ---------- */
.apps-intro { margin-bottom: var(--s-6); }

/* Official Apple badge is a single SVG — the wrapper only provides the tap target. */
.appstore { height: 52px; display: inline-flex; padding: 0; border: 0; background: none; border-radius: 10px; }
.appstore img { height: 52px; width: auto; }
.appstore:hover { background: none; opacity: .88; }

/* [hidden] must beat the display rules above it (.field is display:grid,
   which otherwise wins on specificity and shows hidden blocks). */
[hidden] { display: none !important; }

/* reCAPTCHA v3 badge: keep it out of the way of the footer links. */
.grecaptcha-badge { visibility: hidden; }

/* Support chip: small app icon beside the confirmed app name. */
.icon-chip { width: 28px; height: 28px; border-radius: 8px; font-size: 13px; }

/* Brand must stay on one line at 390px. */
.brand { white-space: nowrap; }
.site-header .brand { font-size: var(--step-0); }

/* ---------- Breadcrumbs (visible, matching BreadcrumbList schema) ---------- */
.crumbs { padding-top: var(--s-4); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap;
  gap: var(--s-2); font-size: var(--step--1); color: var(--ink-3); }
.crumbs li + li::before { content: "›"; margin-right: var(--s-2); color: var(--ink-3); }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs [aria-current] { color: var(--ink-3); }

/* h2/h3 used as eyebrows and FAQ summaries keep their visual weight */
h2.eyebrow { font-size: var(--step--1); font-weight: 620; color: var(--ink-3);
  letter-spacing: .06em; text-transform: uppercase; margin: 0 0 var(--s-3);
  line-height: var(--lh-body); }
.faq summary h3 { display: inline; font-size: var(--step-0); font-weight: 600;
  letter-spacing: 0; color: var(--ink); }
.measure-wide { max-width: 46rem; }