/* sumurai.ru outside the game (site/): the landing page and the documents. The game's palette and
   fonts (styles.css), a notebook-grid header with the 算 seal, quiet long-read pages. */
:root {
  --sky: #BFE1FF; --sky-pale: #F5FAFF; --grid: #DCEAF8;
  --blue: #4C8DF5; --blue-edge: #2F6BD1; --blue-soft: #E1EEFF;
  --orange: #FF9900; --orange-edge: #D97B00; --orange-soft: #FFF1DC;
  --navy: #252A43; --navy-2: #5A5F6F; --navy-3: #7E8594; --line: #D3DDF0;
  --white: #FFFFFF; --hanko: #E5383B;
  --display: 'Dela Gothic One', 'Nunito', system-ui, sans-serif;
  --font: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--sky-pale); color: var(--navy); font: 500 17px/1.6 var(--font); }
a { color: var(--blue-edge); text-underline-offset: 2px; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 920px; margin: 0 auto; padding-inline: 16px; }

.top {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(180deg, var(--sky), var(--sky-pale));
  border-bottom: 3px solid var(--navy);
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font: 400 20px/1 var(--display); letter-spacing: .03em; }
.brand .sum { color: var(--orange); } .brand .urai { color: var(--blue); }
.seal { width: 38px; height: 38px; flex: none; border-radius: 10px; background: var(--hanko); color: #fff; display: grid; place-items: center;
  font: 900 22px/1 'Hiragino Mincho ProN', 'Yu Mincho', serif; transform: rotate(-6deg); border: 2.5px solid var(--navy); box-shadow: 0 3px 0 var(--navy); }
.nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-weight: 800; font-size: 15px; }
.nav a { color: var(--navy); text-decoration: none; }
.nav a:hover { color: var(--blue-edge); }

.hero { padding-block: 28px 36px; }
.hero h1 { margin: 0 0 12px; font: 400 clamp(30px, 6vw, 48px)/1.1 var(--display); text-wrap: balance; }
.hero p { margin: 0 0 22px; max-width: 60ch; font-size: 19px; color: var(--navy-2); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 12px 22px; border-radius: 20px;
  border: 3px solid var(--navy); box-shadow: 0 5px 0 var(--navy); background: var(--orange); color: var(--navy);
  font: 900 18px/1.1 var(--font); text-decoration: none; }
.btn.white { background: var(--white); }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--navy); }

main.wrap { padding-block: 8px 48px; }
section { margin-top: 36px; }
h2 { margin: 0 0 14px; font: 400 clamp(22px, 4vw, 30px)/1.2 var(--display); text-wrap: balance; }
h3 { margin: 22px 0 6px; font: 900 18px/1.3 var(--font); }
p, ul, ol { margin: 0 0 12px; max-width: 72ch; }
ul, ol { padding-left: 1.3em; }
li { margin: 4px 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--white); border: 3px solid var(--navy); border-radius: 20px; box-shadow: 0 5px 0 var(--navy); padding: 18px; }
.card h3 { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card.plan { border-color: var(--orange-edge); box-shadow: 0 5px 0 var(--orange-edge); }
.price { font: 400 34px/1.1 var(--display); margin: 4px 0 10px; }
.price small { font: 800 16px/1 var(--font); color: var(--navy-2); }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; margin: 10px 0; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue); color: #fff; display: grid; place-items: center; font: 900 15px/1 var(--font); }
.details { display: grid; grid-template-columns: max-content 1fr; gap: 4px 18px; margin: 0; }
.details dt { font-weight: 800; color: var(--navy-2); }
.details dd { margin: 0; overflow-wrap: anywhere; }

/* Documents */
.doc h1 { margin: 24px 0 6px; font: 400 clamp(26px, 5vw, 38px)/1.15 var(--display); text-wrap: balance; }
.doc .meta { color: var(--navy-3); font-size: 15px; margin-bottom: 24px; }
.doc h2 { margin-top: 32px; font-size: clamp(19px, 3vw, 23px); }
.doc ol.num { list-style: none; padding-left: 0; }
.doc ol.num > li { margin: 8px 0; }
.doc :target { background: var(--orange-soft); border-radius: 8px; }

/* The bank's return pages (pay-success.html, pay-failure.html): one card in the middle */
.done { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding-block: 24px; }
.done-card { max-width: 440px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; padding: 28px 20px; }
.done-card h1 { margin: 0; font: 400 30px/1.15 var(--display); }
.done-card p { margin: 0; color: var(--navy-2); }
.done-card .btn { width: 100%; }
.done-note { font-size: 15px; }

footer { border-top: 3px solid var(--navy); background: var(--white); margin-top: 48px; }
footer .wrap { padding-block: 22px 32px; display: grid; gap: 14px; font-size: 15px; color: var(--navy-2); }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; font-weight: 800; }
@media (max-width: 560px) {
  body { font-size: 16px; }
  .bar { flex-direction: column; align-items: flex-start; }
  .details { grid-template-columns: 1fr; }
  .details dd { margin-bottom: 8px; }
}