/* Hallmark · pre-emit critique: P5 H4 E3 S5 R5 V4.
   Approved variant A. E3: browser verification is delegated to the DB lane.
   Installed Latin fonts and OFL sources: app/assets/fonts/README.md. */
@font-face {
  font-family: "Inter Tight";
  src: url("/assets/inter-tight-latin-500-6f417ae0.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Inter Tight";
  src: url("/assets/inter-tight-latin-800-9876e93c.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/ibm-plex-mono-latin-500-3f7bbac1.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
:root {
  --paper: #F4EFE4;
  --card: #FFFDF8;
  --ink: #14213D;
  --ink-2: #4A5468;
  --rule: #D9D1C0;
  --vermilion: #B23A12;
  --grid: rgb(20 33 61 / 5.5%);
  --font-body: "Inter Tight", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --radius: 10px;
  --button-radius: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
body { min-width: 0; overflow-wrap: anywhere; }
a { color: var(--vermilion); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, strong, b { font-weight: 800; }
h1, h2, h3 { font-style: normal; line-height: 1.15; letter-spacing: -.04em; min-width: 0; }
h1 { font-size: clamp(2rem, 4.4vw, 3.75rem); margin-bottom: 24px; }
h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); }
h3 { font-size: 1.2rem; }
svg, img { max-width: 100%; }
.site-header { max-width: 1240px; margin: auto; padding: 26px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--rule); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 800; color: var(--ink); text-decoration: none; min-width: 0; }
.brand > span { line-height: 1.2; }
.korean-flag { display: block; width: 36px; height: auto; aspect-ratio: 3 / 2; flex-shrink: 0; }
nav { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; font-size: .85rem; }
nav a { color: var(--ink); }
.container { max-width: 1180px; margin: auto; padding: 48px 24px 80px; }
.container > *, .hero > *, .three-up > *, .order-grid > * { min-width: 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 44px; align-items: center; padding: 40px 0 64px; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 28px 28px; }
.eyebrow { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; color: var(--ink-2); margin-bottom: 16px; }
.hero .eyebrow::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 10px; border-radius: 50%; background: var(--vermilion); }
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 38rem; }
.button, input[type=submit] { display: inline-flex; justify-content: center; align-items: center; gap: 14px; max-width: 100%; padding: 13px 20px; margin: 12px 0; border: 1px solid var(--vermilion); border-radius: var(--button-radius); background: var(--vermilion); color: var(--card); text-decoration: none; font-weight: 800; cursor: pointer; }
.button::after { content: ""; width: 14px; height: 10px; flex-shrink: 0; background: currentColor; clip-path: polygon(0 40%, 65% 40%, 40% 10%, 55% 0, 100% 50%, 55% 100%, 40% 90%, 65% 60%, 0 60%); transition: transform 160ms ease-out; }
.button:hover::after { transform: translateX(4px); }
.button:active, input[type=submit]:active { outline: 2px solid var(--vermilion); outline-offset: 2px; }
.secondary { background: var(--card); color: var(--vermilion); }
.button:disabled, input:disabled { opacity: 1; cursor: not-allowed; color: var(--ink-2); background: var(--paper); border-color: var(--rule); }
.muted, small { color: var(--ink-2); font-size: .87rem; }
.trust { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 0 0; margin: 24px 0 0; border-top: 1px dashed var(--rule); }
.badge { display: inline-block; font-family: var(--font-mono); font-size: .7rem; font-weight: 500; text-transform: uppercase; letter-spacing: .02em; color: var(--ink); border: 1px solid var(--rule); background: var(--card); padding: 6px 9px; border-radius: 4px; }
.boarding-pass { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .26fr); border: 1px solid var(--rule); border-radius: 14px; background: var(--card); font-family: var(--font-mono); font-weight: 500; }
.pass-main { padding: 22px 20px; min-width: 0; }
.pass-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; color: var(--ink-2); font-size: .65rem; letter-spacing: .08em; }
.flag-chip { display: inline-flex; align-items: center; gap: 6px; }
.flag-chip .korean-flag { width: 27px; }
.pass-route { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 22px 0; }
.pass-route > div { min-width: 0; }
.pass-code { display: block; font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 500; line-height: 1.1; letter-spacing: -.04em; }
.pass-place { display: block; margin-top: 6px; font-size: .6rem; letter-spacing: .03em; color: var(--ink-2); }
.pass-destination { text-align: right; }
.pass-path { border-top: 1px dashed var(--ink-2); flex: 1; min-width: 12px; color: var(--vermilion); }
.pass-path svg { display: block; width: 20px; height: 16px; margin: -8px auto 0; background: var(--card); }
.pass-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; border-top: 1px solid var(--rule); margin: 0; padding-top: 16px; }
.pass-fields dt, .pass-stub dt { font-size: .6rem; letter-spacing: .08em; color: var(--ink-2); }
.pass-fields dd { margin: 3px 0 0; font-size: .8rem; }
.pass-stub { display: flex; flex-direction: column; justify-content: space-between; min-width: 0; padding: 22px 12px; border-left: 2px dashed var(--rule); border-radius: 0 14px 14px 0; background: var(--card); transform-origin: top left; }
.pass-stub .pass-ride { white-space: nowrap; font-size: .72rem; }
.pass-stub dl { margin: 0 0 20px; }
.pass-stub dd { font-size: .8rem; margin: 3px 0 14px; }
.barcode { display: block; width: 100%; height: 46px; color: var(--ink); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .boarding-pass:hover .pass-stub { animation: open-stub 400ms ease-out 1; }
}
@keyframes open-stub { 50% { transform: perspective(500px) rotateY(-10deg) rotate(1deg); } }
.section { padding: 40px 0; border-top: 1px solid var(--rule); }
.three-up { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.panel { padding: 28px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card); margin-bottom: 24px; }
.panel > :last-child { margin-bottom: 0; }
.price { font-size: 1.8rem; font-weight: 800; }
.step-number { display: inline-block; font-family: var(--font-mono); font-size: .75rem; color: var(--vermilion); margin-bottom: 16px; }
.narrow { max-width: 720px; margin: 0 auto; }
.order-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 28px; }
.sticky { position: sticky; top: 20px; }
.page-intro { margin-bottom: 40px; }
label, legend { font-family: var(--font-mono); font-weight: 500; font-size: .8rem; }
label { display: block; margin: 18px 0 6px; }
input:not([type=checkbox]):not([type=submit]), textarea, select { width: 100%; min-width: 0; max-width: 100%; padding: 11px 12px; border: 1px solid var(--ink-2); border-radius: var(--button-radius); color: var(--ink); background: var(--card); }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--ink-2); opacity: 1; }
input[type=file] { font-size: .8rem; }
input[type=checkbox] { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--vermilion); }
.check { display: flex; align-items: flex-start; gap: 10px; font-family: var(--font-body); font-size: .9rem; }
fieldset { min-width: 0; border: 1px solid var(--rule); margin: 24px 0 0; border-radius: var(--button-radius); }
.notice { padding: 16px 20px; border: 1px solid var(--rule); border-left: 3px solid var(--ink); background: var(--card); margin-bottom: 24px; }
.error { color: var(--vermilion); border-left-color: var(--vermilion); }
.success-mark { display: inline-grid; place-items: center; width: 50px; height: 50px; border: 1px solid var(--ink); border-radius: var(--button-radius); background: var(--card); color: var(--ink); margin-bottom: 25px; }
.timeline { list-style: none; padding: 0 0 0 20px; border-left: 2px dashed var(--rule); margin: 30px 0; }
.timeline li { padding: 8px 0 22px; }
.timeline small { display: block; font-family: var(--font-mono); }
.break-word { overflow-wrap: anywhere; }
details { padding: 14px 0; border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; font-weight: 800; }
details p { margin: 16px 0 0; }
footer { max-width: 1180px; margin: 0 auto; padding: 36px 24px; border-top: 1px solid var(--rule); font-family: var(--font-mono); font-size: .75rem; color: var(--ink-2); }
footer > a { display: inline-block; margin: 6px 20px 6px 0; }
footer p { margin-bottom: 9px; }
.breadcrumbs { margin-bottom: 30px; font-family: var(--font-mono); }
.breadcrumbs span { color: var(--ink-2); }
:focus-visible { outline: 3px solid var(--vermilion); outline-offset: 3px; }
[hidden] { display: none !important; }
@media (max-width: 860px) {
  .site-header { padding: 20px; flex-wrap: wrap; }
  .site-header nav { gap: 16px; }
  .container { padding: 28px 20px 60px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding: 16px 0 40px; }
  .three-up, .order-grid { grid-template-columns: minmax(0, 1fr); }
  .panel { padding: 22px; }
  .sticky { position: static; }
  .pass-code { font-size: 1.9rem; }
  .boarding-pass { max-width: 560px; width: 100%; grid-template-columns: minmax(0, 1fr) minmax(0, .36fr); }
}
@media (max-width: 420px) {
  .brand { font-size: .95rem; }
  .pass-main { padding: 16px 12px; }
  .pass-stub { padding: 16px 8px; }
  .pass-code { font-size: 1.7rem; }
  .pass-fields { gap: 12px 8px; }
  .pass-fields dd, .pass-stub dd { font-size: .72rem; }
  .pass-stub .pass-ride { font-size: .625rem; }
  .pass-place { font-size: .55rem; }
  .pass-header { font-size: .55rem; }
  .flag-chip { gap: 4px; }
  .order-grid .button, .narrow input[type=submit] { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .button:hover::after { transform: none; }
}