/* Writa website. Kitcart's black and white, like the app and its icon;
   paper-colored reading pages like the editor. The accent is ink: black on
   paper, white on the black bands. Lora (SIL OFL) for display type, system UI for text. */

@font-face { font-family: "Lora"; src: url("/fonts/Lora-Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Lora"; src: url("/fonts/Lora-Italic.ttf") format("truetype"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Lora"; src: url("/fonts/Lora-BoldItalic.ttf") format("truetype"); font-weight: 700; font-style: italic; font-display: swap; }

:root {
  --ink: #1d1c1a;
  --ink-soft: #5d5a54;
  --paper: #fcfbf8;
  --paper-2: #f3f1ec;
  --line: #e4e1da;
  --black: #000;
  --on-black: #fff;
  --on-black-soft: #b8b8b8;
  --accent: #111111;
  --radius: 18px;
  --max: 1120px;
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ecebe7;
    --ink-soft: #a9a6a0;
    --paper: #121212;
    --paper-2: #1b1b1b;
    --line: #2c2c2c;
    --accent: #f4f3f0;
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
main { flex: 1; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

/* Black sections: the accent turns white. */
.site-header, .hero, .page-head, .band, .site-footer { --accent: #ffffff; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 12px; }

.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }

/* ---------- Header ---------- */

.site-header { background: var(--black); color: var(--on-black); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; border: 1px solid #2a2a2a; }
.brand span { font: italic 700 24px/1 var(--serif); letter-spacing: -0.01em; }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--on-black-soft); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--on-black); }

/* ---------- Hero ---------- */

.hero { background: var(--black); color: var(--on-black); padding: 72px 0 0; overflow: hidden; }
.hero .wrap { text-align: center; }
.display { font: italic 700 clamp(48px, 8vw, 96px)/1.02 var(--serif); letter-spacing: -0.02em; margin: 0; }
.stroke { display: block; width: min(420px, 70%); height: auto; margin: 18px auto 0; color: var(--on-black); }
.lede { font: italic 400 clamp(20px, 2.6vw, 26px)/1.45 var(--serif); color: var(--on-black-soft); max-width: 640px; margin: 26px auto 0; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 999px;
  font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent;
}
.btn-light { background: var(--on-black); color: #000; }
.btn-ghost { border-color: #3a3a3a; color: var(--on-black); }
.btn-light:hover { background: #e9e9e9; }
.btn-ghost:hover { border-color: var(--on-black-soft); }
.btn small { font-weight: 400; opacity: 0.7; }
.soon { margin-top: 14px; font-size: 14px; color: var(--on-black-soft); }

.hero-shots { margin-top: 64px; display: flex; justify-content: center; align-items: flex-end; gap: clamp(14px, 3vw, 36px); }
.device { border-radius: 22px 22px 0 0; border: 1px solid #333; border-bottom: 0; overflow: hidden; background: #fff; box-shadow: 0 -10px 60px rgba(255,255,255,0.06); }
.device.pad { width: min(720px, 62vw); border-radius: 18px 18px 0 0; }
.device.phone { width: min(260px, 26vw); border-radius: 30px 30px 0 0; }
@media (max-width: 640px) { .device.phone { display: none; } .device.pad { width: 92vw; } }

/* ---------- Sections ---------- */

section { padding: 96px 0; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 12px; }
h2 { font: italic 700 clamp(34px, 4.6vw, 52px)/1.1 var(--serif); letter-spacing: -0.015em; margin: 0 0 18px; }
h3 { font: italic 700 23px/1.25 var(--serif); margin: 0 0 8px; }
.intro { font-size: 19px; color: var(--ink-soft); max-width: 640px; margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.card .mark { font: 600 15px/1 ui-monospace, "SF Mono", Menlo, monospace; color: var(--accent); display: block; margin-bottom: 14px; }

.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.split.flip { grid-template-columns: 1.25fr 1fr; }
.split.flip > :first-child { order: 2; }
@media (max-width: 860px) { .split, .split.flip { grid-template-columns: 1fr; gap: 32px; } .split.flip > :first-child { order: 0; } }
.shot { border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0,0,0,0.12); max-height: 640px; width: auto; margin-inline: auto; }
.ticks { list-style: none; padding: 0; margin: 22px 0 0; }
.ticks li { padding-left: 30px; position: relative; margin: 10px 0; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 0.55em; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

.formats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.formats span { border: 1px solid var(--line); background: var(--paper-2); border-radius: 999px; padding: 6px 14px; font-size: 15px; }

.band { background: var(--black); color: var(--on-black); }
.band .intro { color: var(--on-black-soft); }
.band .eyebrow { color: var(--on-black-soft); }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 44px; }
.plan { border: 1px solid #2f2f2f; border-radius: var(--radius); padding: 32px; }
.plan.pro { border-color: #ffffff; background: #0d0d0d; }
.plan .price { font: italic 700 44px/1 var(--serif); margin: 10px 0 4px; }
.plan .per { color: var(--on-black-soft); font-size: 15px; }
.plan ul { margin: 20px 0 0; padding-left: 20px; color: var(--on-black-soft); }
.plan li { margin: 6px 0; }
.fine { font-size: 14px; color: var(--on-black-soft); margin-top: 26px; max-width: 760px; }

.quiet { text-align: center; }
.quiet .intro { margin-inline: auto; }

/* ---------- Reading pages (privacy, terms, support) ---------- */

.page-head { background: var(--black); color: var(--on-black); padding: 64px 0 56px; }
.page-head h1 { font: italic 700 clamp(40px, 6vw, 64px)/1.05 var(--serif); margin: 0; letter-spacing: -0.015em; }
.page-head .stroke { margin: 16px 0 0; width: min(300px, 60%); }
.page-head p { color: var(--on-black-soft); margin: 18px 0 0; max-width: 640px; }
.prose { padding: 56px 0 96px; }
.prose .wrap { max-width: 760px; }
.prose h2 { font-size: clamp(26px, 3.2vw, 32px); margin: 48px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 28px; }
.prose p, .prose li { color: var(--ink); }
.prose ul { padding-left: 22px; }
.prose li { margin: 8px 0; }
.prose .meta { color: var(--ink-soft); }
.note { background: var(--paper-2); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 12px; padding: 18px 22px; margin: 24px 0; }

details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-weight: 400; color: var(--ink-soft); }
details[open] summary::after { content: "–"; }
details p, details ol, details ul { color: var(--ink-soft); margin: 12px 0 0; }

.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin: 8px 0 40px; }
.contact .card a { font-weight: 600; word-break: break-all; }

/* ---------- Footer ---------- */

.site-footer { background: var(--black); color: var(--on-black-soft); padding: 48px 0; font-size: 15px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--on-black-soft); text-decoration: none; }
.site-footer a:hover { color: var(--on-black); }

@media (max-width: 560px) {
  .nav { gap: 14px; font-size: 14px; }
  .nav .hide-sm { display: none; }
  section { padding: 72px 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .btn { transition: background-color .15s, border-color .15s; }
}