@charset "UTF-8";

:root {
  --orange: #f15a24;
  --orange-dark: #d94a17;
  --ink: #17202a;
  --muted: #65717f;
  --line: #e5e9ed;
  --paper: #ffffff;
  --soft: #f6f7f8;
  --cream: #fff6f0;
  --navy: #15212d;
  --green: #16865c;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 18px 50px rgba(24, 34, 44, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, ul { margin: 0; }
body {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Pretendard, "SUIT Variable", SUIT, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.bt-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.bt-sitebar {
  display: flex;
  width: 100%;
  height: 76px;
  padding: 0 max(24px, calc((100vw - 1240px) / 2));
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border-bottom: 1px solid rgba(23, 32, 42, .08);
  position: relative;
  z-index: 10;
}
.bt-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 900; letter-spacing: .08em; }
.bt-brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 50%; background: var(--orange); color: #fff; font-size: 18px; font-weight: 900; letter-spacing: 0; }
.bt-sitebar nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 700; }
.bt-sitebar nav a:hover { color: var(--orange); }
.bt-sitebar .bt-call { padding: 10px 16px; border-radius: 999px; background: var(--ink); color: #fff; }
.bt-sitebar .bt-call:hover { background: var(--orange); color: #fff; }
.bt-sitebar-overlay { position: absolute; color: #fff; background: transparent; border-color: rgba(255,255,255,.2); }
.bt-sitebar-overlay .bt-brand-mark { background: #fff; color: var(--orange); }
.bt-sitebar-overlay .bt-call { background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); }

.bt-eyebrow, .bt-section-kicker { color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.bt-list-hero {
  min-height: 520px;
  padding: 92px 24px 82px;
  background:
    radial-gradient(circle at 78% 30%, rgba(255, 167, 107, .78) 0, rgba(255, 167, 107, 0) 27%),
    linear-gradient(135deg, #fff7f1 0%, #ffe1cf 48%, #f5773e 100%);
  overflow: hidden;
  position: relative;
}
.bt-list-hero:before, .bt-list-hero:after { content: ""; position: absolute; border-radius: 50%; }
.bt-list-hero:before { right: 6%; top: 12%; width: 340px; height: 340px; border: 1px solid rgba(255,255,255,.55); box-shadow: 0 0 0 48px rgba(255,255,255,.08), 0 0 0 96px rgba(255,255,255,.06); }
.bt-list-hero:after { right: 19%; bottom: -120px; width: 240px; height: 240px; background: rgba(255,255,255,.16); }
.bt-list-hero-inner { width: min(1240px, 100%); margin: 0 auto; position: relative; z-index: 1; }
.bt-list-hero h1 { max-width: 760px; margin-top: 16px; font-size: clamp(46px, 7vw, 86px); line-height: 1.08; letter-spacing: -.055em; }
.bt-hero-copy { max-width: 580px; margin-top: 26px; color: #5c493e; font-size: 18px; }
.bt-hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.bt-hero-meta span { padding: 9px 14px; border: 1px solid rgba(23,32,42,.12); border-radius: 999px; background: rgba(255,255,255,.52); font-size: 13px; font-weight: 800; backdrop-filter: blur(10px); }

.bt-browser { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 92px 0 110px; }
.bt-browser-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.bt-browser-head h2, .bt-section-heading h2, .bt-list-notice h2 { margin-top: 8px; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.04em; }
.bt-search { display: flex; width: min(390px, 100%); padding: 0 18px; align-items: center; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 8px 28px rgba(24,34,44,.05); }
.bt-search input { width: 100%; height: 54px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 15px; }
.bt-search span:last-child { color: var(--orange); font-size: 25px; }
.bt-filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 36px 0 30px; }
.bt-filter button { min-height: 42px; padding: 0 17px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); cursor: pointer; font-size: 14px; font-weight: 800; }
.bt-filter button:hover, .bt-filter button.is-active { border-color: var(--ink); background: var(--ink); color: #fff; }
.bt-guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.bt-guide-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.bt-guide-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: var(--shadow); }
.bt-card-image { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: #ddd; }
.bt-card-image:after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,.04), rgba(0,0,0,.26)); }
.bt-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.bt-guide-card:hover .bt-card-image img { transform: scale(1.045); }
.bt-country-chip, .bt-live-chip { position: absolute; z-index: 1; top: 14px; padding: 7px 11px; border-radius: 999px; color: #fff; font-size: 11px; font-weight: 900; }
.bt-country-chip { left: 14px; background: rgba(17,25,34,.72); backdrop-filter: blur(10px); }
.bt-live-chip { right: 14px; background: var(--orange); }
.bt-card-body { padding: 23px 24px 24px; }
.bt-card-body h3 { font-size: 24px; line-height: 1.28; letter-spacing: -.025em; }
.bt-card-body p { min-height: 50px; margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.bt-card-link { display: flex; margin-top: 20px; align-items: center; justify-content: space-between; color: var(--orange-dark); font-size: 13px; font-weight: 900; }
.bt-card-link b { font-size: 18px; transition: transform .2s; }
.bt-guide-card:hover .bt-card-link b { transform: translateX(4px); }
.bt-no-result { padding: 70px 20px; border: 1px dashed #ccd3d9; border-radius: var(--radius-md); background: var(--soft); color: var(--muted); text-align: center; }

.bt-list-notice { display: grid; grid-template-columns: .9fr 1.1fr; width: min(1240px, calc(100% - 48px)); margin: 0 auto 110px; padding: 52px 58px; gap: 70px; align-items: center; border-radius: var(--radius-lg); background: var(--navy); color: #fff; }
.bt-list-notice p:last-child { color: #ccd5dd; font-size: 16px; line-height: 1.85; }

.bt-detail-hero { display: flex; min-height: 650px; align-items: end; overflow: hidden; position: relative; background: var(--navy); color: #fff; }
.bt-detail-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bt-detail-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,18,25,.88) 0%, rgba(10,18,25,.52) 46%, rgba(10,18,25,.12) 100%), linear-gradient(to top, rgba(10,18,25,.7), transparent 55%); }
.bt-detail-hero-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 150px 0 72px; position: relative; z-index: 1; }
.bt-back { display: inline-flex; margin-bottom: 70px; padding: 8px 13px; border: 1px solid rgba(255,255,255,.34); border-radius: 999px; background: rgba(0,0,0,.18); font-size: 13px; font-weight: 800; backdrop-filter: blur(8px); }
.bt-detail-hero h1 { max-width: 800px; margin-top: 12px; font-size: clamp(52px, 8vw, 92px); line-height: 1.03; letter-spacing: -.055em; }
.bt-detail-hero-inner > p:not(.bt-eyebrow) { max-width: 650px; margin-top: 22px; color: rgba(255,255,255,.82); font-size: 18px; }
.bt-updated { display: flex; margin-top: 28px; align-items: center; gap: 8px; color: rgba(255,255,255,.75); font-size: 13px; font-weight: 700; }
.bt-updated span { width: 7px; height: 7px; border-radius: 50%; background: #50d295; box-shadow: 0 0 0 5px rgba(80,210,149,.15); }
.bt-anchor-nav { display: flex; min-height: 66px; padding: 0 24px; align-items: center; justify-content: center; gap: 42px; position: sticky; top: 0; z-index: 8; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.93); backdrop-filter: blur(14px); }
.bt-anchor-nav a { color: var(--muted); font-size: 14px; font-weight: 800; }
.bt-anchor-nav a:hover { color: var(--orange); }
.bt-content-wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 88px 0 100px; }
.bt-intro-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; scroll-margin-top: 90px; }
.bt-entry-card { padding: 38px 40px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.bt-entry-card h2 { margin-top: 8px; font-size: 27px; letter-spacing: -.03em; }
.bt-entry-card > p:last-child { margin-top: 14px; color: var(--muted); font-size: 15px; }
.bt-entry-accent { border-color: #ffd8c6; background: var(--cream); }
.bt-source-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.bt-source-actions a { display: inline-flex; min-height: 45px; padding: 0 16px; align-items: center; gap: 14px; border-radius: 10px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 800; }
.bt-source-actions a:first-child { background: var(--orange); }
.bt-source-actions span { font-size: 17px; }
.bt-rule-note { margin-top: 16px; padding-left: 16px; border-left: 3px solid var(--orange); color: var(--muted); font-size: 13px; }
.bt-section { padding-top: 110px; scroll-margin-top: 54px; }
.bt-section-heading { margin-bottom: 36px; }
.bt-section-lead { max-width: 760px; margin-top: 16px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.bt-fact-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 15px; }
.bt-fact-grid article { min-height: 245px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.bt-fact-icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: var(--cream); color: var(--orange-dark); font-size: 17px; font-weight: 900; }
.bt-fact-grid h3 { margin-top: 30px; font-size: 18px; }
.bt-fact-grid p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.bt-local-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.bt-local-grid article { padding: 30px; border-radius: var(--radius-md); background: var(--soft); }
.bt-local-grid span, .bt-check-grid > article > span { color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.bt-local-grid h3 { margin-top: 28px; font-size: 20px; }
.bt-local-grid p { margin-top: 10px; color: var(--muted); font-size: 14px; }
.bt-advice-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 16px; }
.bt-advice-grid article { padding: 38px; border-radius: var(--radius-md); background: var(--navy); color: #fff; }
.bt-advice-grid article:last-child { background: #244b3d; }
.bt-advice-grid h3 { margin-top: 8px; font-size: 27px; }
.bt-advice-grid article > p:not(.bt-section-kicker) { margin-top: 15px; color: rgba(255,255,255,.74); font-size: 14px; }
.bt-advice-grid ul, .bt-check-grid ul { padding: 0; list-style: none; }
.bt-advice-grid ul { margin-top: 20px; }
.bt-advice-grid li, .bt-check-grid li { padding-left: 16px; position: relative; }
.bt-advice-grid li:before, .bt-check-grid li:before { content: ""; width: 5px; height: 5px; border-radius: 50%; position: absolute; left: 0; top: .72em; background: var(--orange); }
.bt-advice-grid li { color: rgba(255,255,255,.9); font-size: 14px; }
.bt-advice-grid li + li { margin-top: 8px; }
.bt-check-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; counter-reset: checklist; }
.bt-check-grid article { padding: 34px 36px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.bt-check-grid h3 { margin: 16px 0 18px; font-size: 21px; }
.bt-check-grid li { color: var(--muted); font-size: 14px; }
.bt-check-grid li + li { margin-top: 8px; }
.bt-practical-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.bt-practical-grid article { padding: 36px 38px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: 0 10px 32px rgba(24,34,44,.045); }
.bt-practical-grid article:nth-child(1), .bt-practical-grid article:nth-child(5) { border-color: #ffd8c6; background: var(--cream); }
.bt-practical-number { display: inline-flex; min-width: 38px; height: 28px; padding: 0 10px; align-items: center; justify-content: center; border-radius: 999px; background: var(--ink); color: #fff; font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.bt-practical-grid h3 { margin: 18px 0 17px; font-size: 22px; letter-spacing: -.025em; }
.bt-practical-grid ul { margin: 0; padding: 0; list-style: none; }
.bt-practical-grid li { padding-left: 17px; position: relative; color: var(--muted); font-size: 14px; line-height: 1.75; }
.bt-practical-grid li:before { content: ""; width: 5px; height: 5px; border-radius: 50%; position: absolute; left: 0; top: .72em; background: var(--orange); }
.bt-practical-grid li + li { margin-top: 9px; }
.bt-practical-note { margin-top: 18px; padding: 18px 20px; border-radius: 12px; background: var(--soft); color: var(--muted); font-size: 13px; line-height: 1.75; }
.bt-emergency { display: grid; grid-template-columns: .8fr 1fr; gap: 24px 70px; margin-top: 110px; padding: 48px 52px; align-items: start; border-radius: var(--radius-lg); background: var(--cream); }
.bt-emergency h2 { margin-top: 7px; font-size: 36px; letter-spacing: -.04em; }
.bt-emergency > div:nth-child(2) p { display: flex; padding: 10px 0; align-items: center; justify-content: space-between; border-bottom: 1px solid #efdacc; }
.bt-emergency strong { font-size: 14px; }
.bt-emergency a { color: var(--orange-dark); font-size: 19px; font-weight: 900; }
.bt-emergency > p { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.bt-related { padding-top: 110px; }
.bt-related-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; }
.bt-related-links a { display: flex; min-height: 62px; padding: 0 20px; align-items: center; justify-content: space-between; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; font-weight: 800; }
.bt-related-links a:hover { border-color: var(--orange); color: var(--orange-dark); }
.bt-related-links span { font-size: 18px; }
.bt-not-found { min-height: calc(100vh - 150px); padding: 180px 24px 100px; text-align: center; }
.bt-not-found h1 { margin-top: 10px; font-size: clamp(38px, 6vw, 68px); letter-spacing: -.05em; }
.bt-not-found > p:not(.bt-eyebrow) { margin-top: 14px; color: var(--muted); }
.bt-primary-button { display: inline-flex; min-height: 50px; margin-top: 30px; padding: 0 22px; align-items: center; border-radius: 999px; background: var(--orange); color: #fff; font-weight: 900; }

.bt-footer { display: flex; min-height: 120px; padding: 34px max(24px, calc((100vw - 1240px) / 2)); align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 13px; }
.bt-footer strong { color: var(--ink); }

@media (max-width: 960px) {
  .bt-guide-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bt-list-notice { grid-template-columns: 1fr; gap: 24px; }
  .bt-fact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bt-fact-grid article { min-height: 210px; }
  .bt-related-links { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 720px) {
  .bt-sitebar { height: 64px; padding: 0 16px; }
  .bt-brand { font-size: 12px; }
  .bt-brand-mark { width: 29px; height: 29px; }
  .bt-sitebar nav { gap: 8px; }
  .bt-sitebar nav > a:first-child { display: none; }
  .bt-sitebar .bt-call { padding: 8px 12px; font-size: 12px; }
  .bt-list-hero { min-height: 480px; padding: 72px 20px 60px; }
  .bt-list-hero:before { right: -130px; top: 12%; }
  .bt-list-hero h1 { font-size: 49px; }
  .bt-hero-copy { font-size: 16px; }
  .bt-hero-meta { margin-top: 30px; }
  .bt-hero-meta span { font-size: 11px; }
  .bt-browser { width: calc(100% - 32px); padding: 70px 0 80px; }
  .bt-browser-head { align-items: stretch; flex-direction: column; }
  .bt-search { width: 100%; }
  .bt-filter { margin-top: 24px; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .bt-filter button { flex: 0 0 auto; }
  .bt-guide-grid { grid-template-columns: 1fr; gap: 18px; }
  .bt-card-body p { min-height: 0; }
  .bt-list-notice { width: calc(100% - 32px); margin-bottom: 80px; padding: 34px 28px; }
  .bt-detail-hero { min-height: 620px; }
  .bt-detail-shade { background: linear-gradient(to top, rgba(10,18,25,.9), rgba(10,18,25,.12) 90%); }
  .bt-detail-hero-inner { width: calc(100% - 40px); padding-bottom: 48px; }
  .bt-back { margin-bottom: 110px; }
  .bt-detail-hero h1 { font-size: 54px; }
  .bt-detail-hero-inner > p:not(.bt-eyebrow) { font-size: 16px; }
  .bt-anchor-nav { justify-content: flex-start; gap: 22px; overflow-x: auto; white-space: nowrap; }
  .bt-content-wrap { width: calc(100% - 32px); padding: 60px 0 80px; }
  .bt-intro-grid, .bt-local-grid, .bt-advice-grid, .bt-check-grid, .bt-practical-grid, .bt-emergency { grid-template-columns: 1fr; }
  .bt-entry-card { padding: 28px; }
  .bt-section { padding-top: 80px; }
  .bt-fact-grid { grid-template-columns: 1fr; }
  .bt-fact-grid article { min-height: 0; padding: 26px; }
  .bt-fact-grid h3 { margin-top: 18px; }
  .bt-local-grid article, .bt-advice-grid article, .bt-check-grid article, .bt-practical-grid article { padding: 28px; }
  .bt-emergency { gap: 22px; margin-top: 80px; padding: 34px 28px; }
  .bt-emergency > p { grid-column: auto; }
  .bt-related { padding-top: 80px; }
  .bt-related-links { grid-template-columns: 1fr; }
  .bt-footer { min-height: 140px; padding: 30px 20px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
}

@media (max-width: 420px) {
  .bt-list-hero h1 { font-size: 42px; }
  .bt-guide-card { border-radius: 15px; }
  .bt-card-body { padding: 20px; }
  .bt-detail-hero h1 { font-size: 46px; }
  .bt-section-heading h2, .bt-browser-head h2, .bt-list-notice h2 { font-size: 31px; }
  .bt-source-actions { flex-direction: column; }
  .bt-source-actions a { justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
