/* heartnote.app — the app's look: grid paper, serif headings with a yellow dot,
   mono labels, pixel hearts. Dark first, white when the phone is in light mode.
   Fonts are served from here (no third-party requests). */
@font-face { font-family: "Geist"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("/fonts/geist-latin.woff2") format("woff2"); }
@font-face { font-family: "Geist Mono"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("/fonts/geist-mono-latin.woff2") format("woff2"); }
@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/instrument-serif-400-latin.woff2") format("woff2"); }

:root {
  --bg: #0a0a0a;
  --card: #121212;
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.74);
  --muted: rgba(255, 255, 255, 0.48);
  --border: rgba(255, 255, 255, 0.11);
  --border-2: rgba(255, 255, 255, 0.26);
  --grid: rgba(255, 255, 255, 0.045);
  --glow: rgba(253, 230, 138, 0.08);
  --accent: #fde68a;
  --accent-ink: #fde68a;
  --accent-soft: rgba(253, 230, 138, 0.12);
  --pink: #f9a8d4;
  --heart-bg: rgba(255, 255, 255, 0.12);
  --f-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --f-body: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --heart: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 7 6' shape-rendering='crispEdges'><path d='M1 0h2v1h1V0h2v1h1v2H6v1H5v1H4v1H3V5H2V4H1V3H0V1h1z'/></svg>");
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff; --card: #f7f7f5; --text: #0b0b0b; --text-2: rgba(11, 11, 11, 0.74); --muted: rgba(11, 11, 11, 0.5);
    --border: rgba(11, 11, 11, 0.1); --border-2: rgba(11, 11, 11, 0.24); --grid: rgba(11, 11, 11, 0.045); --glow: rgba(214, 178, 40, 0.1);
    --accent: #e9c94a; --accent-ink: #8a6a00; --accent-soft: rgba(233, 201, 74, 0.2); --pink: #c2417d; --heart-bg: rgba(11, 11, 11, 0.1);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; color: var(--text); font: 16px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 70% 40% at 50% 0%, var(--glow), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px, 28px 28px;
  background-attachment: fixed;
}
a { color: inherit; text-underline-offset: 3px; text-decoration-color: var(--border-2); }
a:hover { text-decoration-color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; border-radius: 4px; }
.dot { color: var(--accent-ink); }
.mono { font-family: var(--f-mono); }

.shell {
  max-width: 980px; margin: 0 auto;
  padding-block: 40px 64px;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; font: 500 14px/1 var(--f-mono); }
.top a { text-decoration: none; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 400 26px/1 var(--f-display); letter-spacing: -0.01em; }

/* pixel hearts */
.hearts { display: inline-flex; gap: 6px; }
.ph { position: relative; display: inline-block; width: 26px; height: 22px; }
.ph.sm { width: 14px; height: 12px; }
.ph i, .ph b { position: absolute; inset: 0; -webkit-mask: var(--heart) center / contain no-repeat; mask: var(--heart) center / contain no-repeat; }
.ph i { background: var(--heart-bg); }
.ph b { background: var(--pink); }
.ph b.part { clip-path: inset(0 60% 0 0); } /* the 0.4 of a 4.4 */
.muted { color: var(--muted); }

/* landing */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; padding-top: 56px; }
.hero h1 { margin: 18px 0 18px; font: 400 clamp(64px, 12vw, 120px)/0.92 var(--f-display); letter-spacing: -0.02em; }
.lede { margin: 0; font-size: 19px; color: var(--text-2); max-width: 30ch; text-wrap: pretty; }
.soon {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 28px;
  font: 500 13px/1 var(--f-mono); padding: 12px 16px; border-radius: 999px;
  border: 1px solid var(--accent-ink); color: var(--accent-ink); background: var(--accent-soft);
}
.phones { position: relative; height: 560px; }
.phones img {
  position: absolute; width: 230px; height: auto; max-width: 100%; border-radius: 34px; border: 1px solid var(--border-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}
.phones .p1 { left: 0; top: 40px; transform: rotate(-5deg); }
.phones .p2 { left: 31%; top: 0; z-index: 2; }
.phones .p3 { right: 0; top: 60px; transform: rotate(5deg); }

.label { font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.features { margin-top: 96px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.feature { background: var(--bg); padding: 24px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.feature h2 { margin: 0; font: 600 17px/1.3 var(--f-body); }
.feature p { margin: 0; font-size: 15px; color: var(--text-2); }
.feature .ex { font: 500 13px/1.4 var(--f-mono); color: var(--accent-ink); }

.promise { margin-top: 72px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 32px; align-items: start; }
.promise h2 { margin: 10px 0 0; font: 400 clamp(36px, 5vw, 48px)/1.02 var(--f-display); text-wrap: balance; }
.promise ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.promise li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; color: var(--text-2); }
.promise li .ph { margin-top: 5px; }

footer {
  margin-top: 96px; padding-top: 20px; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px;
  font: 13px/1.5 var(--f-mono); color: var(--muted);
}
footer nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }

/* legal pages */
.doc { max-width: 720px; }
.doc h1 { margin: 48px 0 8px; font: 400 clamp(44px, 8vw, 64px)/1 var(--f-display); letter-spacing: -0.01em; }
.doc .sub { margin: 0 0 40px; font: 13px/1.5 var(--f-mono); color: var(--muted); }
.doc h2 { margin: 40px 0 10px; font: 600 18px/1.35 var(--f-body); }
.doc h3 { margin: 24px 0 6px; font: 600 15.5px/1.4 var(--f-body); }
.doc p, .doc li { color: var(--text-2); max-width: 66ch; }
.doc p { margin: 0 0 12px; }
.doc ul { margin: 0 0 12px; padding-left: 20px; }
.doc li { margin-bottom: 6px; }
.doc li::marker { color: var(--accent-ink); }
.doc address { font-style: normal; color: var(--text); margin: 0 0 12px; }
.doc strong { color: var(--text); font-weight: 600; }
.lang { font: 500 13px/1 var(--f-mono); }

@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 32px; gap: 32px; }
  .phones { height: 440px; max-width: 520px; width: 100%; margin: 0 auto; }
  .phones img { width: 42%; max-width: 200px; }
  .phones .p2 { left: 29%; }
  .features { grid-template-columns: minmax(0, 1fr); }
  .promise { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .phones { height: 360px; }
}