/* Главная страница Shrift: тёмно-синий «ночной стол» и оранжевый акцент; лист в клетку - единственная яркая вещь на странице. */
:root {
  --bg: #0b1222;
  --surface: #131c33;
  --surface-2: #1a2543;
  --line: rgba(160, 182, 255, .14);
  --fg: #e9eefb;
  --muted: #98a5c4;
  --accent: #dc5524;
  --accent-ink: #ffffff;
  --accent-text: #ff9a6e;
  --shadow: rgba(0, 0, 0, .55);
  --f-display: "Unbounded", "Onest", system-ui, sans-serif;
  --f-body: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f1f5fd; --surface: #ffffff; --surface-2: #e7eefb; --line: rgba(30, 50, 110, .14);
  --fg: #14203a; --muted: #556487; --accent-text: #b9441a; --shadow: rgba(30, 50, 110, .28);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 var(--f-body);
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 1080px; margin: 0 auto; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 500; line-height: 1.18; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(24px, 3.4vw, 36px); }
p { margin: 0; }
a { color: var(--accent-text); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }

header.top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-block: 18px; }
.logo { font-family: var(--f-display); font-weight: 600; font-size: 22px; text-decoration: none; color: var(--fg); display: flex; align-items: center; gap: 9px; }
.logo i { width: 11px; height: 11px; background: var(--accent); border-radius: 50%; display: inline-block; }
nav.tabs { display: flex; gap: 4px; flex: 1; min-width: 0; overflow-x: auto; }
nav.tabs a { color: var(--muted); text-decoration: none; padding: 8px 14px; border-radius: 999px; white-space: nowrap; font-weight: 500; }
nav.tabs a:hover { color: var(--fg); }
nav.tabs a[aria-current="page"] { background: var(--surface-2); color: var(--fg); }
.hdr-right { display: flex; align-items: center; gap: 10px; }
.btn { border: 1px solid var(--line); background: var(--surface); padding: 9px 16px; border-radius: 10px; font: 500 16px var(--f-body); text-decoration: none; color: var(--fg); display: inline-block; cursor: pointer; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.btn.primary:hover { background: #e86a3a; }
.btn.big { padding: 13px 24px; font-size: 17px; border-radius: 12px; }
.theme-toggle { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); cursor: pointer; font-size: 17px; display: grid; place-items: center; }
.theme-toggle:hover { background: var(--surface-2); }

.view { padding-block: 28px 64px; }
.hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4.4vw, 50px); }
.hero h1 em { font-style: normal; color: var(--accent-text); }
.lead { color: var(--muted); font-size: 18px; margin-top: 18px; max-width: 46ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.fine { color: var(--muted); font-size: 14px; margin-top: 14px; }

figure { margin: 0; }
.shot { display: block; width: 100%; height: auto; border-radius: 8px; box-shadow: 0 24px 60px -26px var(--shadow); background: #fff; }
figcaption { color: var(--muted); font-size: 14px; margin-top: 12px; }

.section { margin-top: 72px; }
.section > h2 + p { color: var(--muted); margin-top: 10px; max-width: 60ch; }
.examples { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 28px; }
.ex { display: grid; gap: 14px; align-content: start; }
.src { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font: 13.5px/1.5 "Fira Code", ui-monospace, Consolas, monospace; color: var(--muted); overflow-x: auto; white-space: pre; }
.src b { font-weight: 500; color: var(--accent-text); }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

.split { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: center; margin-top: 28px; }
.split p + p { margin-top: 12px; }
.split p { color: var(--muted); }

.band { margin-top: 72px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 36px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.band h2 { font-size: clamp(22px, 3vw, 30px); }

.steps { display: grid; gap: 18px; margin-top: 28px; }
.step { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 18px; align-items: start; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.step > b { font: 600 15px var(--f-display); color: var(--accent-text); background: var(--surface-2); border-radius: 12px; display: grid; place-items: center; height: 56px; }
.step h3 { font-size: 18px; margin-bottom: 6px; }
.step p { color: var(--muted); }
.step figure { margin-top: 16px; max-width: 640px; }

.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 28px; max-width: 820px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px; display: flex; flex-direction: column; gap: 14px; }
.plan.soon { border-style: dashed; }
.plan .price { font: 600 26px var(--f-display); }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--muted); flex: 1; }
.plan li::before { content: "—"; color: var(--accent-text); margin-right: 8px; }
.tag { align-self: flex-start; font-size: 13px; padding: 3px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }

.faq { margin-top: 24px; display: grid; gap: 10px; max-width: 780px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
summary { cursor: pointer; font-weight: 500; }
details p { color: var(--muted); margin-top: 8px; }

footer { border-top: 1px solid var(--line); padding-block: 28px 40px; color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

@media (max-width: 860px) {
  .hero, .split, .examples, .cards, .plans { grid-template-columns: minmax(0, 1fr); }
  .hero { gap: 28px; }
  .section { margin-top: 56px; }
}
@media (max-width: 760px) {
  header.top { gap: 8px 12px; }
  .hdr-right { margin-left: auto; }
  nav.tabs { order: 3; flex: 1 0 100%; margin-inline: -4px; }
  nav.tabs a { padding: 8px 10px; }
}
@media (max-width: 520px) {
  .step { grid-template-columns: minmax(0, 1fr); }
  .step > b { width: 56px; }
  .hdr-right { margin-left: auto; }
  .band { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }