:root {
  color-scheme: light;
  --bg: #fff;
  --surface: #f4f5f1;
  --ink: #22241f;
  --muted: #53574e;
  --line: #d9dcd3;
  --accent: #303cb7;
  --lime: #a3d72a;
  --font-display: Forum, Georgia, serif;
  --font-text: Pliant, system-ui, sans-serif;
  --r-lg: 12px;
  --header-height: 91px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.55 var(--font-text); }
h1, h2, p, figure { margin: 0; }
h1, h2 { font: 400 clamp(3.2rem, 6.4vw, 6.8rem)/.99 var(--font-display); letter-spacing: -.042em; }
a { color: inherit; }
button, input { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.skip { position: fixed; top: 8px; left: 12px; padding: 12px 16px; z-index: 3; background: white; transform: translateY(-150%); }
.skip:focus { transform: none; }

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
}
.brand { display: grid; place-items: center; width: 116px; min-height: 55px; flex: 0 0 auto; background: white; }
.brand img { width: 116px; }
.header nav { display: flex; justify-content: flex-end; gap: clamp(16px, 3.5vw, 55px); }
.nav__link { display: inline-grid; align-items: center; min-height: 44px; text-decoration: none; font-weight: 550; }
.nav__link:hover { color: var(--accent); }

.hero-grid {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, .77fr) minmax(0, 1.23fr);
  align-items: center;
  gap: clamp(30px, 5vw, 82px);
  padding-block: clamp(38px, 6vh, 72px);
}
.hero__text { align-self: center; }
.hero h1 { font-size: clamp(3.15rem, 6.45vw, 7.3rem); }
.hero__lead { margin-top: 25px; max-width: 31ch; font-size: clamp(1rem, 1.4vw, 1.24rem); color: var(--muted); }
.btn-row { margin-top: 32px; }
.hero__media, .route-image { overflow: hidden; background-color: var(--surface); border-radius: var(--r-lg); }
.hero__media { height: clamp(390px, 72svh, 780px); }
.hero__media img, .route-image img { width: 100%; height: 100%; object-fit: cover; }
.hero__media img { object-position: 55% center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 15px;
  color: var(--ink);
  background: #fff;
  font: 600 .94rem/1.25 var(--font-text);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.btn--primary { border-color: var(--ink); background: var(--ink); color: #fff; }
.action-glyph {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
}
.btn--primary:hover { background: var(--accent); border-color: var(--accent); }

.section { padding-block: clamp(48px, 8svh, 96px); }
.destination { min-height: 100svh; background: var(--surface); }
.istanbul { background: var(--bg); }
.route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr);
  gap: clamp(28px, 5vw, 82px);
  align-items: center;
  margin-top: clamp(25px, 4vh, 48px);
}
.istanbul .route-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.45fr); }
.istanbul .route-image { grid-column: 2; grid-row: 1; }
.istanbul .stops { grid-column: 1; grid-row: 1; }
.route-image { height: clamp(300px, 61svh, 690px); }
.stops { position: relative; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.stops li { display: grid; gap: 3px; position: relative; padding: 19px 0 19px 24px; border-top: 1px solid var(--line); }
.stops li:last-child { border-bottom: 1px solid var(--line); }
.stops li::before {
  content: "";
  position: absolute;
  top: 29px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--accent);
}
.stops li:first-child::before { background: var(--lime); border-color: transparent; }
.stops strong { color: var(--accent); font-size: 1.16rem; font-weight: 600; }
.stops span { color: var(--muted); }

.checklist { min-height: 100svh; background: var(--surface); }
.checklist h2 { font-size: clamp(3rem, 5vw, 5.3rem); }
.checklist-rows { border-bottom: 1px solid var(--line); }
details { border-top: 1px solid var(--line); }
summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  min-height: 57px;
  padding: 12px 0;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 24px; line-height: 1; transition: transform 240ms ease; }
summary:hover { color: var(--accent); }
details[open] summary::after { transform: rotate(45deg); }
.answer { max-width: 54ch; color: var(--muted); padding-bottom: 17px; }
details[open] .answer { animation: answer-in 250ms ease-out both; }
@keyframes answer-in { from { opacity: .15; transform: translateY(-5px); } }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-block: 18px; }
.credits { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 13px; }
.credits a, .install { color: var(--accent); text-underline-offset: 4px; }

.terminal-main { padding-block: clamp(26px, 6vh, 68px); }
.terminal-title { margin-bottom: clamp(25px, 5vh, 50px); }
.terminal-grid { display: grid; align-items: start; grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr); gap: clamp(26px, 7vw, 108px); }
fieldset { min-width: 0; border: 0; margin: 0; padding: 0; }
fieldset + fieldset { margin-top: 28px; }
legend { padding: 0; margin-bottom: 10px; font-size: 1.06rem; font-weight: 600; }
.device-list { display: flex; flex-wrap: wrap; gap: 8px; }
.device-list label, .app-list label { display: block; position: relative; cursor: pointer; }
.device-list input, .app-list input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.device-list span {
  display: grid;
  place-items: center;
  min-height: 45px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: .93rem;
  font-weight: 550;
}
.device-list input:checked + span { color: var(--accent); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.device-list input:focus-visible + span, .app-list input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }
.app-list { border-bottom: 1px solid var(--line); }
.app-list label { border-top: 1px solid var(--line); }
.app-row { display: flex; align-items: center; gap: 11px; min-height: 48px; padding: 7px 10px; font-weight: 550; }
.app-row::before { content: ""; width: 12px; height: 12px; flex: 0 0 12px; border: 1px solid var(--muted); border-radius: 50%; }
.app-list input:checked + .app-row { color: var(--accent); background: var(--surface); }
.app-list input:checked + .app-row::before { background: var(--lime); border-color: #557509; }
.app-row, .device-list span { transition: background-color 180ms ease, color 180ms ease; }
.app-row:hover, .device-list label:hover span { background: var(--surface); }
.ticket { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.ticket-body { padding: clamp(21px, 3vw, 42px); }
.ticket h2 { font-size: clamp(2.45rem, 4.4vw, 4rem); overflow-wrap: anywhere; }
.ticket-body > p { margin-top: 13px; color: var(--muted); }
.ticket-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.install { display: flex; align-items: center; min-height: 44px; flex: 1 0 100%; font-weight: 550; }
#copy-fallback { margin-top: 10px; min-height: 44px; width: 100%; padding: 8px; border: 1px solid var(--line); }
.status:empty { margin: 0; }

@media (max-width: 1050px) {
  .wrap { width: calc(100% - 64px); }
  .hero-grid { gap: 27px; }
}
@media (max-width: 820px) {
  :root { --header-height: 72px; }
  .wrap { width: calc(100% - 44px); }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; align-content: center; padding-block: 27px; }
  .hero h1 { font-size: clamp(3rem, 9vw, 5.7rem); }
  .hero__media { height: clamp(260px, 43svh, 490px); }
  .hero__lead { margin-top: 16px; }
  .btn-row { margin-top: 20px; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }
  .brand, .brand img { width: 90px; }
  .header nav { gap: 11px; }
  .nav__link { font-size: .84rem; }
  .header .nav-guide { display: none; }
  .hero-grid { align-content: start; padding-block: 28px; }
  .hero__media { height: clamp(265px, 47svh, 440px); }
  .hero .btn { width: 100%; }
  .route-grid, .istanbul .route-grid, .terminal-grid { grid-template-columns: minmax(0, 1fr); }
  .istanbul .route-image, .istanbul .stops { grid-column: auto; grid-row: auto; }
  .route-image { height: clamp(250px, 42svh, 380px); }
  .stops li { padding-block: 13px; }
  .stops li::before { top: 22px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 0; }
  .ticket-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  summary::after, .app-row, .device-list span { transition: none; }
  details[open] .answer { animation: none; }
}

:root { --action: var(--ink); --action-ink: var(--bg); }
body:not(.terminal) #top { position: absolute; inset: 0 0 auto; z-index: 1; }
body:has(.skip:focus) #top { z-index: 3; }
#top .header { position: relative; }
#top .skip { position: absolute; left: 0; top: 0; }
.hero-grid { min-height: 100svh; padding-top: calc(var(--header-height) + 28px); grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.hero h1 { font-size: clamp(3rem, 6.15vw, 6.85rem); }
h2, .checklist h2 { font-size: clamp(2.65rem, 5.25vw, 5.3rem); }
.route-grid, .istanbul .route-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.route-grid { align-items: start; }
.istanbul .route-image, .istanbul .stops { grid-column: auto; grid-row: auto; }
.stops li { padding-left: 0; padding-right: 24px; }
.stops li::before { left: auto; right: 1px; }


@media (max-width: 820px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero h1 { font-size: clamp(3rem, 9vw, 5.7rem); }
}
@media (max-width: 640px) {
  .route-grid, .istanbul .route-grid { grid-template-columns: minmax(0, 1fr); }
}