/* zzintrip.com — base stylesheet */

:root {
  --brand:      #0d9488;
  --brand-dark: #0f766e;
  --accent:     #f59e0b;
  --ink:        #0f172a;
  --ink-soft:   #475569;
  --ink-muted:  #64748b;
  --line:       #e2e8f0;
  --bg:         #ffffff;
  --bg-soft:    #f8fafc;
  --bg-tint:    #f0fdfa;
  --radius:     14px;
  --shadow:     0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand:      #2dd4bf;
    --brand-dark: #5eead4;
    --accent:     #fbbf24;
    --ink:        #e2e8f0;
    --ink-soft:   #cbd5e1;
    --ink-muted:  #94a3b8;
    --line:       #1e293b;
    --bg:         #0b1120;
    --bg-soft:    #111827;
    --bg-tint:    #0f2b28;
    --shadow:     0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard",
               "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.wrap { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 20px; }

a { color: var(--brand-dark); }
@media (prefers-color-scheme: dark) { a { color: var(--brand); } }

.skip {
  position: absolute; left: -9999px;
}
.skip:focus {
  left: 12px; top: 12px; z-index: 100;
  background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 8px;
}

/* ---------- header ---------- */
.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 20;
}
.head-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--brand); color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 17px; flex: none;
}
.logo-text { font-weight: 800; font-size: 19px; letter-spacing: -.01em; line-height: 1.1; }
.logo-text em {
  display: block; font-style: normal; font-weight: 500;
  font-size: 11px; letter-spacing: .14em; color: var(--ink-muted); text-transform: uppercase;
}
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px;
}
.nav a:hover { background: var(--bg-soft); color: var(--brand-dark); }

@media (max-width: 560px) {
  .head-inner { flex-direction: column; align-items: flex-start; padding-top: 12px; padding-bottom: 12px; gap: 8px; }
  .nav a { padding: 6px 10px; font-size: 14px; }
}

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-tint), var(--bg));
  border-bottom: 1px solid var(--line);
  padding: 56px 0 48px;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.3; letter-spacing: -.02em; font-weight: 800;
}
.hero h1 .hl { color: var(--brand-dark); }
@media (prefers-color-scheme: dark) { .hero h1 .hl { color: var(--brand); } }
.hero p { margin: 0 0 8px; font-size: 17px; color: var(--ink-soft); max-width: 40em; }
.hero .kicker {
  display: inline-block; margin-bottom: 16px;
  background: var(--brand); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- sections ---------- */
section { padding: 48px 0; }
section + section { border-top: 1px solid var(--line); }
h2 { font-size: 24px; letter-spacing: -.01em; margin: 0 0 6px; font-weight: 800; }
h3 { font-size: 19px; margin: 32px 0 8px; font-weight: 700; }
.sub { color: var(--ink-muted); margin: 0 0 24px; font-size: 15px; }

/* ---------- value cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 700px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; font-size: 15px; color: var(--ink-soft); }

/* ---------- article list ---------- */
.guide-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.guide-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg); box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease;
}
.guide-item:hover { transform: translateY(-2px); border-color: var(--brand); }
.guide-item a { display: block; padding: 20px 22px; text-decoration: none; color: inherit; }
.guide-item .tag {
  display: inline-block; font-size: 12px; font-weight: 700;
  color: var(--brand-dark); background: var(--bg-tint);
  padding: 3px 9px; border-radius: 999px; margin-bottom: 8px;
}
@media (prefers-color-scheme: dark) { .guide-item .tag { color: var(--brand); } }
.guide-item h3 { margin: 0 0 6px; font-size: 18px; line-height: 1.45; }
.guide-item p { margin: 0 0 10px; font-size: 15px; color: var(--ink-soft); }
.guide-item .meta { font-size: 13px; color: var(--ink-muted); }

/* ---------- article body ---------- */
.article-head { padding: 44px 0 24px; border-bottom: 1px solid var(--line); }
.article-head .tag {
  display: inline-block; font-size: 12px; font-weight: 700;
  color: #fff; background: var(--brand); padding: 4px 10px; border-radius: 999px;
}
.article-head h1 {
  font-size: clamp(25px, 5.5vw, 34px); line-height: 1.35;
  letter-spacing: -.02em; margin: 14px 0 10px; font-weight: 800;
}
.article-head .meta { color: var(--ink-muted); font-size: 14px; margin: 0; }
.article-body { padding: 32px 0 48px; }
.article-body h2 {
  font-size: 22px; margin: 40px 0 10px; padding-top: 8px;
  border-top: 1px solid var(--line);
}
.article-body h2:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); font-weight: 700; }

.callout {
  background: var(--bg-tint); border-left: 4px solid var(--brand);
  border-radius: 0 10px 10px 0; padding: 16px 18px; margin: 0 0 22px;
  font-size: 16px;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--brand-dark); }
@media (prefers-color-scheme: dark) { .callout strong { color: var(--brand); } }

.table-wrap { overflow-x: auto; margin: 0 0 22px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; min-width: 420px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--bg-soft); font-weight: 700; }

/* ---------- prose pages (about/privacy/terms) ---------- */
.prose { padding: 44px 0 56px; }
.prose h1 { font-size: clamp(26px, 5.5vw, 34px); margin: 0 0 8px; font-weight: 800; letter-spacing: -.02em; }
.prose .lede { color: var(--ink-muted); margin: 0 0 32px; font-size: 16px; }
.prose h2 { font-size: 20px; margin: 36px 0 10px; }
.prose h3 { font-size: 17px; margin: 24px 0 6px; }
.prose p, .prose li { font-size: 16px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 6px; }

/* ---------- form ---------- */
.form { display: grid; gap: 16px; max-width: 560px; }
.field label { display: block; font-weight: 700; font-size: 15px; margin-bottom: 6px; }
.field .hint { font-weight: 400; color: var(--ink-muted); font-size: 13px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 16px;
  color: var(--ink); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 10px;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand);
}
.field textarea { min-height: 170px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-muted); opacity: .8; }
.hp { position: absolute; left: -9999px; }

.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--brand); color: #fff;
  font: inherit; font-weight: 700; font-size: 16px;
  padding: 13px 28px; border-radius: 10px; text-decoration: none;
}
.btn:hover { background: var(--brand-dark); }
@media (prefers-color-scheme: dark) { .btn { color: #06201d; } }

.notice { padding: 14px 16px; border-radius: 10px; font-size: 15px; margin: 0 0 22px; }
.notice.ok  { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.notice.err { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
@media (prefers-color-scheme: dark) {
  .notice.ok  { background: #052e26; border-color: #115e52; color: #6ee7b7; }
  .notice.err { background: #300f11; border-color: #7f1d1d; color: #fca5a5; }
}

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--line); background: var(--bg-soft);
  padding: 36px 0 44px; margin-top: 24px;
}
.disclosure-box {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 24px; background: var(--bg);
}
.disclosure-box strong { display: block; font-size: 14px; margin-bottom: 6px; color: var(--ink); }
.disclosure-box p { margin: 0; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 18px; }
.foot-nav a { font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ink-soft); }
.foot-nav a:hover { color: var(--brand-dark); text-decoration: underline; }
.foot-meta { font-size: 13px; color: var(--ink-muted); line-height: 1.8; margin: 0; }

/* ---------- misc ---------- */
.back-link { display: inline-block; margin-top: 8px; font-size: 15px; font-weight: 600; text-decoration: none; }
.back-link:hover { text-decoration: underline; }

/* ---------- city cards ---------- */
.city-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 700px) { .city-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 430px) { .city-grid { grid-template-columns: 1fr; } }
.city-card {
  display: flex; flex-direction: column; gap: 3px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg); box-shadow: var(--shadow);
  padding: 18px; text-decoration: none; color: inherit;
  transition: transform .12s ease, border-color .12s ease;
}
.city-card:hover { transform: translateY(-2px); border-color: var(--brand); }
.city-flag { font-size: 24px; line-height: 1; }
.city-name { font-weight: 800; font-size: 18px; margin-top: 4px; }
.city-tag  { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.city-meta { font-size: 12.5px; color: var(--ink-muted); margin-top: 4px; }

/* ---------- city page ---------- */
.crumb { font-size: 13px; color: var(--ink-muted); margin: 0 0 12px; }
.crumb a { color: var(--ink-muted); text-decoration: none; }
.crumb a:hover { color: var(--brand-dark); text-decoration: underline; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 10px; }
.btn-sub {
  background: var(--bg-soft); color: var(--brand-dark);
  border: 1px solid var(--line);
}
.btn-sub:hover { background: var(--bg-tint); border-color: var(--brand); }
@media (prefers-color-scheme: dark) { .btn-sub { color: var(--brand); } }
.mini-note { font-size: 12.5px; color: var(--ink-muted); line-height: 1.7; margin: 0 0 18px; }
.mini-note a { color: var(--ink-muted); }
.info-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; }
.chip {
  display: inline-block; font-size: 13.5px; font-weight: 600;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--ink-soft); padding: 6px 12px; border-radius: 999px;
}