/* Mikra Notes website: the app's three colours (eggshell, coral, near-black), its system
   fonts, light and dark. No framework; one stylesheet for every page. */

:root {
  --bg: #F8F4EC;
  --card: #FCFAF5;
  --text: #1E1C1A;
  --secondary: #66615A;
  --accent: #E8543E;
  --accent-text: #C4402B;
  --line: rgba(30, 28, 26, 0.1);
  --radius: 22px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #141312;
    --text: #F8F4EC;
    --secondary: #ABA69E;
    --accent: #FF7B61;
    --accent-text: #FF7B61;
    --line: rgba(248, 244, 236, 0.14);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-text); }
img { max-width: 100%; display: block; }

.wrap { width: min(1080px, 100% - 48px); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.6) blur(18px);
  -webkit-backdrop-filter: saturate(1.6) blur(18px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-header nav { display: flex; gap: 22px; }
.site-header nav a { color: var(--secondary); text-decoration: none; font-size: 15px; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--text); }

/* Buttons */
.store-button {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--text); color: var(--bg);
  padding: 13px 22px; border-radius: 999px;
  font-weight: 600; text-decoration: none; font-size: 16px;
}
.store-button[aria-disabled="true"] { cursor: default; }

/* Home: a centred hero over one device, then a few quiet rows (after Apple's own app
   pages). Screenshots sit in a plain rounded frame, no shadows. */
.device { border-radius: 40px; border: 9px solid #1c1c1e; background: #1c1c1e; width: 300px; aspect-ratio: 1320 / 2868; object-fit: cover; }

.hero { padding: 88px 0 72px; text-align: center; }
.hero h1 { font-size: clamp(38px, 6.4vw, 64px); line-height: 1.06; letter-spacing: -0.03em; max-width: 820px; margin: 0 auto 20px; }
.hero .lede { font-size: clamp(18px, 2.2vw, 22px); color: var(--secondary); max-width: 600px; margin: 0 auto 30px; }
.hero .small { color: var(--secondary); font-size: 14px; margin: 14px 0 56px; }
.hero .device { margin: 0 auto; width: min(320px, 78%); }

.features { display: flex; flex-direction: column; gap: 24px; padding-bottom: 40px; }
.feature { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 64px; padding: 56px 0; width: min(860px, 100%); margin: 0 auto; border-top: 1px solid var(--line); }
.feature:nth-child(even) > div { order: 2; }
.feature h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 14px; }
.feature p { color: var(--secondary); font-size: 19px; max-width: 460px; margin: 0; }

.promise { text-align: center; padding: 72px 0 96px; border-top: 1px solid var(--line); }
.promise h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.02em; margin: 0 0 14px; }
.promise p { color: var(--secondary); font-size: 19px; max-width: 600px; margin: 0 auto; }

@media (max-width: 760px) {
  .feature { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .feature:nth-child(even) > div { order: 0; }
  .feature p { margin: 0 auto; }
  .feature .device { margin: 0 auto; width: min(280px, 76%); }
}

/* Text pages: privacy, terms, support */
.doc { width: min(720px, 100% - 48px); margin: 0 auto; padding: 64px 0 96px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); letter-spacing: -0.02em; margin: 0 0 6px; }
.doc .meta { color: var(--secondary); margin: 0 0 40px; }
.doc h2 { font-size: 22px; margin: 40px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc .summary { background: var(--card); border-radius: var(--radius); padding: 22px 24px; }
.doc .summary p { margin: 0; }
.doc details { border-top: 1px solid var(--line); padding: 16px 0; }
.doc details:last-of-type { border-bottom: 1px solid var(--line); }
.doc summary { font-weight: 600; cursor: pointer; }
.doc details p { color: var(--secondary); margin: 10px 0 0; }
.contact-card { background: var(--card); border-radius: var(--radius); padding: 26px; margin: 28px 0; }
.contact-card p { margin: 0; }
.contact-card a { font-size: 20px; font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 56px; color: var(--secondary); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.site-footer a { color: var(--secondary); text-decoration: none; }
.site-footer a:hover { color: var(--text); }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }