/* Ovenlight, "Pilot Light": warm cream, one ember accent, an oven lamp's glow.
   Shared by the home, support and privacy pages. The join page carries its own
   inline copy of these tokens because its CSP allows no external stylesheet. */

:root {
  color-scheme: light dark;

  --bg: #faf5ee;
  --bg-band: #f4ebdf;
  --paper: #fffcf7;
  --ink: #231711;
  --ink-body: #3b2c23;
  --ink-soft: #6b5a4e;
  --line: #e7dacb;
  --ember: #a8400c;
  --link: #a8400c;
  --on-ember: #fff;
  --lamp-top: #ffc988;
  --lamp-bottom: #f0882e;
  --glow: 246, 150, 70;
  --glow-strength: 0.5;
  --bezel: #201612;
  --bezel-ring: rgba(0, 0, 0, 0.06);
  --shadow: 74, 34, 10;

  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.45rem + 1.3vw, 2.375rem);
  --display: clamp(3.75rem, 2.2rem + 7.5vw, 6.5rem);

  --gutter: 1rem;
  --max: 70rem;
  --radius: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #19110d;
    --bg-band: #21170f;
    --paper: #241913;
    --ink: #f8eee4;
    --ink-body: #e8dbcf;
    --ink-soft: #b9a596;
    --line: #3b2b21;
    --ember: #cc6420;
    --link: #ec9256;
    --on-ember: #1a0c04;
    --lamp-top: #ffd9a3;
    --lamp-bottom: #ff9b45;
    --glow: 232, 120, 44;
    --glow-strength: 0.34;
    --bezel: #0d0806;
    --bezel-ring: rgba(255, 220, 190, 0.12);
    --shadow: 0, 0, 0;
  }
}

@media (min-width: 37.5em) { :root { --gutter: 1.5rem; } }
@media (min-width: 64em) { :root { --gutter: 2.5rem; } }

/* Base */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-body);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

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

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

/* Header and footer */

.site-header { position: relative; z-index: 1; }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
}
.brand img { width: 1.75rem; height: 1.75rem; border-radius: 0.45rem; }
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 1.1875rem; letter-spacing: -0.01em; }
.brand-by { color: var(--ink-soft); font-size: var(--step--1); }
@media (max-width: 26em) { .brand-by { display: none; } }

.site-nav { display: flex; gap: 0.25rem; }
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}
.site-nav a:hover { color: var(--ink); background: var(--bg-band); }
.site-nav a[aria-current="page"] { color: var(--ink); }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: var(--step--1);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 2rem 2.5rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }

/* The oven lamp: a small bar at the top, pouring a soft cone of warm light. */

.lamp {
  position: absolute;
  inset: -4rem 0 auto;
  height: calc(100% + 4rem);
  pointer-events: none;
  overflow: hidden;
}
.lamp-bar {
  position: absolute;
  top: 1.75rem;
  left: 50%;
  width: 3.75rem;
  height: 0.5rem;
  margin-left: -1.875rem;
  border-radius: 999px;
  background: linear-gradient(var(--lamp-top), var(--lamp-bottom));
  box-shadow: 0 0 1.25rem 0.3rem rgba(var(--glow), 0.55);
}
.lamp-beam {
  position: absolute;
  top: 1.9rem;
  left: 50%;
  width: min(60rem, 160vw);
  height: min(46rem, 95%);
  transform: translateX(-50%);
  filter: blur(2.25rem);
  opacity: var(--glow-strength);
}
.lamp-beam::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(45% 0, 55% 0, 84% 100%, 16% 100%);
  background: linear-gradient(rgb(var(--glow)) 0%, rgba(var(--glow), 0.55) 45%, rgba(var(--glow), 0) 100%);
}
.lamp-beam::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 16rem;
  height: 8rem;
  margin-left: -8rem;
  border-radius: 50%;
  background: rgba(var(--glow), 0.6);
  transform: translateY(-50%);
}

@media (prefers-reduced-motion: no-preference) {
  .lamp-bar { animation: lamp-bar 1.4s ease-out both; }
  .lamp-beam { animation: lamp-beam 2.2s 0.25s cubic-bezier(0.2, 0.6, 0.2, 1) both; }
}
@media (max-width: 39.99em) {
  .lamp-bar { top: 4.6rem; }
  .lamp-beam { top: 4.75rem; }
}
@keyframes lamp-bar {
  0% { opacity: 0.35; box-shadow: none; }
  30% { opacity: 0.9; }
  40% { opacity: 0.6; }
  100% { opacity: 1; }
}
@keyframes lamp-beam {
  from { opacity: 0; }
  to { opacity: var(--glow-strength); }
}

/* Hero */

.hero {
  position: relative;
  isolation: isolate;
  text-align: center;
  padding-top: clamp(5rem, 10vw, 7rem);
}
.hero .lamp { z-index: -1; }
.wordmark {
  font-size: var(--display);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1;
}
.rack {
  display: block;
  width: min(14rem, 52%);
  height: 0.3rem;
  margin: 1.4rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(var(--glow), 0.25), var(--ember) 30%, var(--ember) 70%, rgba(var(--glow), 0.25));
  opacity: 0.75;
}
.lead {
  max-width: 30ch;
  margin: 1.5rem auto 0;
  text-wrap: balance;
  color: var(--ink);
  font-size: clamp(1.1875rem, 1rem + 0.9vw, 1.5rem);
  line-height: 1.45;
}

/* Apple's official badge artwork, unmodified (black on light pages, white on dark). */
.store { display: inline-block; margin-top: 2rem; border-radius: 0.6rem; line-height: 0; }
.store img { width: 9.375rem; height: auto; }

.hero-shot {
  position: relative;
  margin: clamp(3rem, 7vw, 4.5rem) auto 0;
  width: min(76vw, 21rem);
  height: min(118vw, 31rem);
  overflow: hidden;
}
.hero-shot .phone { --w: min(76vw, 21rem); }
@media (min-width: 64em) {
  .hero-shot { width: 23.5rem; height: 32rem; }
  .hero-shot .phone { --w: 23.5rem; }
}

/* A drawn iPhone around a raw screenshot. --w is the outer width. */

.phone {
  --w: 18rem;
  width: var(--w);
  margin: 0;
  padding: calc(var(--w) * 0.032);
  border-radius: calc(var(--w) * 0.16);
  background: var(--bezel);
  box-shadow:
    0 0 0 1px var(--bezel-ring),
    0 2.5rem 4rem -1.5rem rgba(var(--shadow), 0.35),
    0 0.75rem 1.5rem -0.75rem rgba(var(--shadow), 0.25);
}
.phone img {
  width: 100%;
  aspect-ratio: 1320 / 2868;
  border-radius: calc(var(--w) * 0.13);
  background: #faf5ee;
}

/* Sections */

.section { padding-block: clamp(4.5rem, 10vw, 8rem); }
.section-band { background: var(--bg-band); }
.section-title { font-size: var(--step-3); }

.intro {
  display: grid;
  gap: 1.25rem;
}
.intro p {
  max-width: 38ch;
  color: var(--ink);
  font-size: clamp(1.1875rem, 1.05rem + 0.6vw, 1.4375rem);
  line-height: 1.5;
}
@media (min-width: 52em) {
  .intro { grid-template-columns: 5fr 7fr; gap: 3rem; align-items: baseline; }
}

/* Features, paired with the screen that shows them */

.spread {
  display: grid;
  gap: 3rem;
  justify-items: center;
  margin-top: 3rem;
}
.spread + .spread { margin-top: 5rem; }
.spread .phone { --w: min(68vw, 17rem); }
.spread-text { display: grid; gap: 2.25rem; max-width: 30rem; }
@media (min-width: 52em) {
  .spread {
    grid-template-columns: auto minmax(0, 27rem);
    justify-content: space-between;
    align-items: center;
    gap: clamp(3rem, 7vw, 6.5rem);
    margin-top: 4rem;
  }
  .spread-flip { grid-template-columns: minmax(0, 27rem) auto; }
  .spread .phone { --w: 18.5rem; }
  .spread-flip .phone { order: 2; }
}

.feature { display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; row-gap: 0.4rem; }
.feature h3 { font-size: var(--step-2); align-self: center; }
.feature p { grid-column: 2; }
.tile {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.8rem;
  background: linear-gradient(#c95a1c, var(--ember));
  color: #fff7ee;
  box-shadow: 0 0.4rem 0.9rem -0.4rem rgba(var(--glow), 0.9);
}
.tile svg { width: 1.4rem; height: 1.4rem; }
@media (max-width: 26em) {
  .feature { grid-template-columns: 1fr; }
  .feature p { grid-column: 1; }
  .feature .tile { margin-bottom: 0.4rem; }
}

/* How sharing works */

.share {
  display: grid;
  gap: 3rem;
}
@media (min-width: 60em) {
  .share { grid-template-columns: 1fr auto; gap: 5rem; align-items: center; }
}
.steps {
  list-style: none;
  counter-reset: step;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  max-width: 34rem;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
}
.steps li::before {
  content: counter(step);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.625rem;
  line-height: 1;
  color: var(--ember);
  text-align: right;
  padding-top: 0.1rem;
}
.share-after {
  max-width: 34rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  padding-left: 3.25rem;
}

.pair {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 4vw, 2rem);
  margin: 0;
}
.pair figure { margin: 0; }
.pair .phone { --w: min(42vw, 14.5rem); }
.pair figcaption {
  margin-top: 1rem;
  text-align: center;
  font-size: var(--step--1);
  color: var(--ink-soft);
}
@media (min-width: 60em) {
  .pair figure:last-child { margin-top: 3.5rem; }
}

/* What you need */

.needs {
  display: grid;
  gap: 1rem;
  margin-top: 2.25rem;
}
@media (min-width: 48em) { .needs { grid-template-columns: 2fr 3fr; } }
.need {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
.need svg { width: 2rem; height: 2rem; flex: none; color: var(--ember); }
.needs-more { margin-top: 1.5rem; color: var(--ink-soft); }

/* Closing call to action */

.closing {
  position: relative;
  isolation: isolate;
  text-align: center;
  padding-block: clamp(4.5rem, 10vw, 7rem) clamp(4rem, 9vw, 6rem);
}
.closing-icon {
  width: 5.5rem;
  height: 5.5rem;
  margin: 0 auto;
  border-radius: 1.3rem;
  box-shadow: 0 1.25rem 2.5rem -0.75rem rgba(var(--glow), 0.6);
}
.closing .store { margin-top: 1.75rem; }
.closing-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* Long-form pages: support and privacy */

.doc-page { position: relative; isolation: isolate; }
.doc-page > .lamp { z-index: -1; height: 40rem; }
.doc-head {
  padding-top: clamp(3.5rem, 8vw, 5.5rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
  text-align: center;
}
.doc-page .lamp-beam { height: 28rem; opacity: calc(var(--glow-strength) * 0.7); }
@media (prefers-reduced-motion: no-preference) {
  .doc-page .lamp-beam { animation: none; }
}
@media (max-width: 39.99em) { .doc-head { padding-top: 5.5rem; } }
@media (min-width: 68em) {
  .doc-head { text-align: left; }
  .doc-head .container {
    display: grid;
    grid-template-columns: 15rem minmax(0, 1fr);
    column-gap: 4rem;
    max-width: 68rem;
  }
  .doc-head .container > * { grid-column: 2; }
}
.doc-head h1 { font-size: clamp(2.25rem, 1.7rem + 2.4vw, 3.25rem); }
.doc-head .updated { margin-top: 0.75rem; color: var(--ink-soft); font-size: var(--step--1); }

.doc {
  display: grid;
  gap: 2.5rem;
  padding-bottom: clamp(4rem, 9vw, 6rem);
}
@media (min-width: 68em) {
  .doc {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 4rem;
    align-items: start;
    max-width: 68rem;
  }
}

.toc {
  font-size: 0.9375rem;
  line-height: 1.4;
}
.toc h2 {
  font-family: var(--sans);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
  padding-left: calc(0.9rem + 2px);
}
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; }
.toc a {
  display: block;
  padding: 0.4rem 0 0.4rem 0.9rem;
  border-left: 2px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}
.toc a:hover { color: var(--link); border-left-color: var(--ember); }
@media (min-width: 40em) and (max-width: 67.99em) {
  .toc ol { grid-template-columns: 1fr 1fr; column-gap: 2rem; }
}
@media (min-width: 68em) {
  .toc {
    position: sticky;
    top: 1.5rem;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
    padding-top: 0.25rem;
  }
}

.prose {
  max-width: 65ch;
  font-size: var(--step-0);
  line-height: 1.7;
}
@media (min-width: 48em) { .prose { font-size: 1.125rem; } }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-size: 1.5em;
  line-height: 1.25;
  margin-top: 2.4em;
  scroll-margin-top: 1.5rem;
}
.prose h2 + * { margin-top: 0.7em; }
.prose h2 a { color: inherit; text-decoration: none; }
.prose h2 a::after {
  content: "#" / "";
  margin-left: 0.35em;
  color: var(--ink-soft);
  font-weight: 400;
  opacity: 0;
}
.prose h2 a:hover::after, .prose h2 a:focus-visible::after { opacity: 1; }
.prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: 0.6em; }
.prose li::marker { color: var(--ember); font-family: var(--serif); font-weight: 600; }
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.12em 0.4em;
  border-radius: 0.35em;
  background: var(--paper);
  border: 1px solid var(--line);
  overflow-wrap: anywhere;
  color: var(--ink);
}

.callout {
  position: relative;
  padding: 1.35rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 120% at 50% -30%, rgba(var(--glow), 0.16), transparent 70%),
    var(--paper);
  color: var(--ink);
}
.callout strong { font-weight: 650; }