/* ─────────── Here · site tokens (from the app's design system) ─────────── */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;1,8..60,400;1,8..60,500&display=swap');

:root {
  /* Light · paper */
  --paper: #FBFAF7;
  --paper-alt: #F4EFE6;
  --paper-tint: #ECE5D6;
  --ink: #1F1C19;
  --ink-2: #3A342C;
  --ink-3: rgba(58, 52, 44, 0.55);
  --rule: rgba(58, 52, 44, 0.14);

  --surface: var(--paper);
  --surface-alt: var(--paper-alt);
  --fg: var(--ink);
  --fg-2: var(--ink-2);
  --fg-3: var(--ink-3);
  --border: var(--rule);

  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --max-width: 640px;
  --wide: 1000px;
  --margin: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #141210;
    --surface-alt: #1C1A17;
    --fg: rgba(245, 240, 232, 0.92);
    --fg-2: rgba(245, 240, 232, 0.92);
    --fg-3: rgba(245, 240, 232, 0.45);
    --border: rgba(245, 240, 232, 0.10);
  }
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin);
}

.wrap-wide {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--margin);
}

/* ─────────── Typography ─────────── */

h1, h2, h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--fg-3);
}

p { margin: 0; color: var(--fg-2); }

a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--border); }
a:hover { border-bottom-color: var(--fg-3); }

/* ─────────── Landing ─────────── */

.hero {
  padding: 88px 0 56px;
}

.hero-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--margin);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(30px, 5.4vw, 42px);
  line-height: 1.18;
  margin: 18px 0 0;
  max-width: 16ch;
}

.hero .lede {
  font-size: 18px;
  margin-top: 22px;
  max-width: 40ch;
}

/* staggered phone pair */
.hero-art {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
}
.hero-art .phone {
  width: 100%;
  max-width: 215px;
  margin: 0;
}
.hero-art .phone.back {
  transform: translateY(-26px);
  z-index: 1;
  justify-self: start;
}
.hero-art .phone.front {
  transform: translateY(26px) translateX(-46px);
  z-index: 2;
  justify-self: start;
}

.principles {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.principles span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--fg-2);
}

.cta {
  margin-top: 56px;
  font-size: 14px;
  letter-spacing: 0.4px;
  color: var(--fg-3);
}

/* ─────────── Screens ─────────── */

.screens {
  padding: 8px 0 80px;
}

.screens h2 {
  font-size: clamp(24px, 5vw, 30px);
  margin-top: 14px;
}

.rail {
  display: flex;
  gap: 22px;
  margin-top: 36px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  /* full-bleed, but first phone aligns with the heading text */
  padding: 14px max(var(--margin), calc((100vw - var(--wide)) / 2 + var(--margin))) 18px;
}

.rail::-webkit-scrollbar { display: none; }

.rail .phone {
  flex: 0 0 auto;
  width: 230px;
  margin: 0;
  scroll-snap-align: start;
}

.phone .frame {
  border-radius: 38px;
  background: #0c0b0a;
  padding: 7px;
  border: 1px solid rgba(58, 52, 44, 0.16);
  box-shadow: 0 24px 50px -28px rgba(31, 29, 26, 0.55);
  overflow: hidden;
}

.phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 30px;
}

.phone figcaption {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--fg-3);
}

@media (prefers-color-scheme: dark) {
  .phone .frame {
    background: #000;
    border-color: rgba(245, 240, 232, 0.12);
    box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.8);
  }
}

/* ─────────── Hero reflow (small screens) ─────────── */

@media (max-width: 840px) {
  .hero { padding: 72px 0 40px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .hero-art { display: flex; gap: 16px; }
  .hero-art .phone { max-width: 200px; }
  .hero-art .phone.back,
  .hero-art .phone.front { transform: none; }
  .hero-art .phone.front { margin-left: -56px; margin-top: 40px; }
}

/* ─────────── Footer ─────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 56px;
  font-size: 14px;
  color: var(--fg-3);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

footer a { border-bottom: none; color: var(--fg-3); }
footer a:hover { color: var(--fg); }

/* ─────────── Policy page ─────────── */

.doc { padding: 96px 0 80px; }
.doc h1 { font-size: clamp(28px, 6vw, 34px); }
.doc .updated { font-size: 13px; color: var(--fg-3); margin-top: 10px; }
.doc h2 {
  font-size: 22px;
  margin-top: 44px;
}
.doc p { margin-top: 14px; }
.doc .lead { font-size: 18px; margin-top: 28px; }
.doc .back {
  display: inline-block;
  margin-top: 48px;
  font-size: 14px;
  color: var(--fg-3);
  border-bottom: none;
}
.doc .back:hover { color: var(--fg); }