:root {
  color-scheme: light dark;
  --bg: #F5F7F6;
  --fg: #1A1C2E;
  --panel: rgba(26, 28, 46, 0.05);
  --line: rgba(26, 28, 46, 0.12);
  --muted: rgba(26, 28, 46, 0.66);
  --accent: #005F73;
  --accent-fill: #005F73;
  --accent-fill-ink: #FFFFFF; /* exception: literal white, see palette.md */
  --accent-glow: rgba(0, 95, 115, 0.22);
  --focus: #005F73;
  --shadow: rgba(26, 28, 46, 0.55);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1A1C2E;
    --fg: #F5F7F6;
    --panel: rgba(245, 247, 246, 0.06);
    --line: rgba(245, 247, 246, 0.16);
    --muted: rgba(245, 247, 246, 0.58);
    --accent: #3ECFC0;
    --accent-fill: #005F73;
    --accent-glow: rgba(62, 207, 192, 0.22);
    --focus: #3ECFC0;
    --shadow: rgba(0, 0, 0, 0.55); /* exception: literal black, dark mode only, see palette.md */
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.site-header, main, footer { max-width: 1120px; margin: auto; }

.site-header {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}

.brand {
  color: var(--fg);
  font-weight: 750;
  letter-spacing: -.03em;
  text-decoration: none;
  font-size: 1.06rem;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border-radius: 8px;
  background: var(--accent-fill);
  color: var(--accent-fill-ink);
  font-size: .67rem;
  letter-spacing: -.05em;
  object-fit: cover;
  flex-shrink: 0;
}

nav { display: flex; gap: 22px; }
nav a, .footer-links a { color: var(--muted); text-decoration: none; font-size: .93rem; }
nav a:hover, .footer-links a:hover, .text-link:hover { color: var(--accent); }
nav a:focus-visible, .footer-links a:focus-visible, .text-link:focus-visible,
.brand:focus-visible, .support-email:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hero {
  min-height: 650px;
  padding: 70px 28px 90px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 42px;
  align-items: center;
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero h1, .features h2, .privacy-callout h2 {
  font-size: clamp(3.1rem, 7vw, 6.2rem);
  line-height: .95;
  letter-spacing: -.065em;
  margin: 0;
}

.hero h1 em { font-family: Georgia, serif; font-weight: 400; color: var(--accent); font-style: normal; }

.lede { max-width: 540px; color: var(--muted); font-size: 1.22rem; margin: 30px 0; }

.availability {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--fg);
  font-size: .9rem;
}

.hero-art { position: relative; }
.hero-art:before {
  content: "";
  position: absolute;
  inset: 10% -13% -8% 6%;
  background: radial-gradient(circle, var(--accent-glow), transparent 63%);
  filter: blur(55px);
  opacity: .28;
  z-index: -1;
}
.hero-art img {
  width: 100%;
  max-width: 350px;
  height: auto;
  margin: auto;
  display: block;
  border-radius: 35px;
  border: 7px solid var(--line);
  box-shadow: 0 30px 70px var(--shadow);
}

.proof {
  margin: 0 28px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.proof div { display: grid; gap: 3px; }
.proof strong { font-size: 1.12rem; letter-spacing: -.025em; }
.proof span { color: var(--muted); font-size: .92rem; }

.features { padding: 140px 28px; }
.section-intro h2 { font-size: clamp(2.5rem, 5vw, 4.4rem); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 58px; }
.feature-grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 29px;
  min-height: 255px;
}
.number { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .1em; }
.feature-grid h3 { font-size: 1.4rem; letter-spacing: -.035em; margin: 42px 0 8px; }
.feature-grid p, .privacy-callout p { color: var(--muted); margin: 0; }

/* Gallery (index only) */
.gallery { padding: 140px 28px 0; }
.gallery-track {
  display: flex;
  gap: 22px;
  margin-top: 40px;
  padding: 4px 4px 26px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.shot {
  flex: 0 0 auto;
  scroll-snap-align: start;
  margin: 0;
  display: grid;
  gap: 12px;
}
.shot--phone { width: min(66vw, 240px); }
.shot--tablet { width: min(84vw, 380px); }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.shot figcaption { color: var(--muted); font-size: .88rem; text-align: center; }

.privacy-callout {
  margin: 0 28px 120px;
  padding: 74px;
  min-height: 420px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--accent-glow), var(--panel) 56%, var(--panel));
}
.privacy-callout h2 { font-size: clamp(2.2rem, 4.4vw, 4rem); max-width: 750px; }
.privacy-callout > p:not(.eyebrow) { max-width: 660px; margin-top: 25px; }
.text-link { display: inline-block; margin-top: 29px; color: var(--accent); font-weight: 750; text-decoration: none; }

/* Store badge — Apple's official artwork, shown unaltered */
.store-badge {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.store-badge img {
  display: block;
  height: 44px; /* minimum height rationale in palette.md */
  width: auto;
}
.store-badge:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* Primary button */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-fill);
  color: var(--accent-fill-ink);
  border: none;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: .95rem;
  font-weight: 750;
  letter-spacing: -.01em;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { box-shadow: 0 10px 24px var(--accent-glow); transform: translateY(-1px); }
.button:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

footer { border-top: 1px solid var(--line); padding: 38px 28px 48px; display: grid; grid-template-columns: 1fr auto; gap: 22px; }
footer p { color: var(--muted); font-size: .86rem; margin: 7px 0 0; }
.footer-links { display: flex; gap: 20px; align-items: start; }
.disclaimer { grid-column: 1 / -1; }

.legal { max-width: 790px; padding: 85px 28px 120px; }
.legal h1 { font-size: clamp(3.1rem, 7vw, 5.7rem); letter-spacing: -.065em; line-height: .94; margin: 0; }
.legal h2 { font-size: 1.42rem; letter-spacing: -.035em; margin: 48px 0 9px; }
.legal p { font-size: 1.05rem; color: var(--muted); max-width: 690px; }
.legal .updated { font-size: .9rem; color: var(--accent); margin: 20px 0 50px; }
.legal a.text-link { margin: 0; }

/* Feedback form (support only) */
.feedback-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 16px;
  max-width: 640px;
  margin-top: 30px;
}
.field { display: grid; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 650; color: var(--fg); }
.field input, .field select, .field textarea {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}
.feedback-form .button { grid-column: 1 / -1; justify-self: start; }
.form-note { grid-column: 1 / -1; color: var(--muted); font-size: .85rem; margin: 0; }
.form-status { grid-column: 1 / -1; color: var(--fg); font-size: .92rem; min-height: 1.3em; margin: 0; }
.support-email { color: var(--accent); font-weight: 650; }

@media (max-width: 700px) {
  .site-header { padding: 0 20px; height: 70px; }
  nav { gap: 14px; }
  nav a { font-size: .82rem; }
  .hero { padding: 52px 20px 78px; grid-template-columns: 1fr; min-height: auto; gap: 55px; }
  .hero-art img { max-width: 285px; }
  .proof { margin: 0 20px; grid-template-columns: 1fr; padding: 25px 0; }
  .features { padding: 90px 20px; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 38px; }
  .feature-grid article { min-height: auto; }
  .gallery { padding: 90px 20px 0; }
  .gallery-track { margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; }
  .privacy-callout { margin: 0 20px 80px; padding: 40px 26px; }
  footer { padding: 32px 20px; grid-template-columns: 1fr; }
  .footer-links { grid-row: 2; }
  .disclaimer { grid-row: 3; }
  .legal { padding: 55px 20px 80px; }
  .feedback-form { grid-template-columns: 1fr; }
}