:root {
  --paper: #f7f3ea;
  --paper-deep: #eee8dc;
  --ink: #25332d;
  --green: #0d4938;
  --green-soft: #e8efe5;
  --orange: #e56532;
  --line: #d8d0c2;
  --white: rgba(255, 255, 255, 0.78);
  --muted: #73766f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Gowun Dodum", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
.paper-texture { position: fixed; inset: 0; pointer-events: none; opacity: .16; background-color: #f0eadf; mix-blend-mode: multiply; }
.page-shell { width: min(1480px, calc(100% - 64px)); margin: 0 auto; padding: 36px 0 52px; position: relative; }
.trip-header { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }
.eyebrow { margin: 3px 0 0; color: #a88357; font: 24px "Nanum Pen Script", cursive; transform: rotate(-2deg); }
h1 { margin: 0; color: var(--green); font-size: clamp(30px, 3vw, 45px); letter-spacing: -.055em; line-height: 1.18; }
.trip-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; font-size: 15px; }
.trip-meta span { display: inline-flex; align-items: center; gap: 7px; }
.trip-meta i { font-size: 20px; }
.trip-meta strong { display: inline-flex; color: var(--orange); font-size: 18px; align-items: center; }
.header-note { position: absolute; right: 0; top: 46px; margin: 0; font-size: 12px; letter-spacing: .22em; color: #7e8d86; writing-mode: vertical-rl; }
.section-nav { width: 56.5%; display: flex; gap: 36px; margin: 24px 0 20px; border-bottom: 1px solid var(--line); }
.section-nav a { position: relative; padding: 12px 6px 14px; color: var(--ink); font-weight: 700; text-decoration: none; }
.section-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--green); transform: scaleX(0); transition: transform .2s ease; }
.section-nav a:hover::after, .section-nav a.active::after { transform: scaleX(1); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(410px, .9fr); gap: 34px; align-items: start; }
.schedule-column { display: grid; gap: 10px; }
.day-card { background: var(--white); border: 1px solid rgba(177, 166, 146, .28); box-shadow: 0 5px 16px rgba(74, 57, 38, .06); }
.day-summary { width: 100%; min-height: 70px; padding: 0 18px 0 0; display: grid; grid-template-columns: 62px 106px minmax(0, 1fr) auto 24px; align-items: center; gap: 16px; border: 0; color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
.day-summary:focus-visible { outline: 3px solid rgba(229, 101, 50, .35); outline-offset: 2px; }
.day-ribbon { align-self: stretch; display: grid; place-content: center; text-align: center; color: #fff; background: var(--green); font-size: 11px; line-height: 1.05; }
.day-ribbon b { display: block; margin-top: 5px; font-size: 28px; }
.day-summary time, .day-title { font-weight: 700; }
.day-title { font-size: 17px; }
.tag { padding: 6px 11px; color: #52705f; background: var(--green-soft); border-radius: 99px; font-size: 12px; white-space: nowrap; }
.day-summary > i { font-size: 18px; transition: transform .25s ease; }
.day-card.open .day-summary > i { transform: rotate(180deg); }
.day-detail { padding: 5px 26px 22px 88px; }
.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li { min-height: 62px; display: grid; grid-template-columns: 54px 16px 24px minmax(0, 1fr) auto; gap: 12px; align-items: start; position: relative; }
.timeline li:not(:last-child)::after { content: ""; position: absolute; left: 61px; top: 21px; bottom: -4px; width: 1px; background: #8aa095; }
.timeline time { color: var(--muted); font-size: 13px; text-align: right; padding-top: 2px; }
.timeline-dot { width: 9px; height: 9px; margin: 6px 0 0 3px; border-radius: 50%; background: var(--green); z-index: 1; }
.timeline i { color: #53645c; font-size: 20px; }
.timeline b { display: block; font-size: 15px; }
.timeline small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.price { color: var(--muted); font-size: 12px; }
.day-memo { display: flex; gap: 11px; margin: 8px 0 0 42px; padding: 13px 16px; border: 1px solid #dde0d8; border-radius: 5px; background: rgba(234, 240, 232, .55); font-size: 12px; }
.day-memo i { color: var(--green); font-size: 18px; }
.day-memo b { display: block; margin-bottom: 2px; color: var(--green); }
.side-column { margin-top: -146px; }
.photo-collage { height: 392px; position: relative; }
.photo { position: absolute; margin: 0; padding: 7px 7px 20px; background: #fff; border-radius: 10px; box-shadow: 0 7px 14px rgba(51, 39, 25, .18); }
.photo img { width: 100%; height: 100%; display: block; object-fit: cover; border-radius: 6px; }
.photo-one { width: 47%; height: 330px; left: 4%; top: 24px; transform: rotate(-3deg); }
.photo-two { width: 42%; height: 318px; right: 3%; top: 58px; transform: rotate(5deg); }
.tape { position: absolute; width: 94px; height: 29px; background: rgba(220, 198, 155, .7); box-shadow: inset 0 0 10px rgba(255,255,255,.34); z-index: 4; }
.tape-one { left: 0; top: 21px; transform: rotate(-28deg); }
.tape-two { right: 0; top: 57px; transform: rotate(24deg); }
.info-section { padding: 17px 0; border-bottom: 1px dashed #bfb5a5; }
.info-section h2, .trip-note h2 { display: flex; align-items: center; gap: 8px; margin: 0 0 15px; color: var(--green); font-size: 16px; }
.info-section h2 i, .trip-note h2 i { font-size: 21px; }
.booking-content { display: grid; grid-template-columns: 145px 1fr; gap: 17px; }
.booking-content img { width: 145px; height: 118px; object-fit: cover; border-radius: 6px; }
.booking-content b { font-size: 15px; }
.booking-content p { margin: 4px 0 10px; color: var(--muted); font-size: 12px; }
.booking-content dl { margin: 0; display: grid; grid-template-columns: 65px 1fr; gap: 3px 10px; font-size: 12px; }
.booking-content dt { color: var(--muted); }
.booking-content dd { margin: 0; }
.side-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.packing-section { border-right: 1px dashed #bfb5a5; padding-right: 23px; }
.check-list { display: grid; gap: 8px; }
.check-list label { display: flex; align-items: center; gap: 9px; font-size: 13px; cursor: pointer; }
.check-list input { width: 17px; height: 17px; margin: 0; accent-color: var(--green); }
.check-list input:checked + span { text-decoration: line-through; }
.budget-list { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; margin: 0; font-size: 13px; }
.budget-list dt, .budget-list dd { margin: 0; }
.budget-list dd { text-align: right; }
.muted { color: #989891; }
.budget-total { display: flex; justify-content: space-between; align-items: end; gap: 10px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.budget-total span { font-size: 13px; font-weight: 700; }
.budget-total strong { color: var(--orange); font-size: 18px; }
.trip-note { min-height: 110px; margin-top: 16px; padding: 18px 20px; border: 1px dashed #cfc3b0; border-radius: 7px; background: rgba(255,255,255,.22); }
.trip-note p { margin: 0 0 0 28px; color: #6f6e67; font: 22px "Nanum Pen Script", cursive; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); }

@media (max-width: 1050px) {
  .page-shell { width: min(100% - 36px, 850px); }
  .trip-header { align-items: end; }
  .section-nav { width: 100%; }
  .content-grid { grid-template-columns: 1fr; }
  .side-column { margin-top: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .photo-collage { grid-column: 1 / -1; height: 420px; }
  .booking-section, .side-split { align-self: start; }
  .trip-note { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .page-shell { width: calc(100% - 28px); padding-top: 24px; }
  .trip-header { display: block; }
  .eyebrow { margin-top: 2px; }
  .header-note { display: none; }
  .trip-meta { gap: 10px 16px; margin-top: 20px; font-size: 13px; }
  .section-nav { gap: 0; justify-content: space-between; position: sticky; top: 0; z-index: 20; background: rgba(247,243,234,.94); backdrop-filter: blur(10px); }
  .section-nav a { padding-inline: 10px; font-size: 14px; }
  .day-summary { min-height: 76px; grid-template-columns: 50px 82px minmax(0, 1fr) 18px; gap: 10px; padding-right: 12px; }
  .day-ribbon b { font-size: 23px; }
  .day-title { font-size: 14px; }
  .tag { display: none; }
  .day-detail { padding: 10px 14px 18px; }
  .timeline li { grid-template-columns: 46px 14px 21px minmax(0,1fr); gap: 9px; }
  .timeline li:not(:last-child)::after { left: 52px; }
  .timeline .price { display: none; }
  .day-memo { margin-left: 0; }
  .side-column { display: block; }
  .photo-collage { height: 310px; }
  .photo-one { width: 54%; height: 265px; }
  .photo-two { width: 49%; height: 245px; }
  .booking-content { grid-template-columns: 108px 1fr; }
  .booking-content img { width: 108px; height: 110px; }
  .side-split { grid-template-columns: 1fr; gap: 0; }
  .packing-section { border-right: 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }