/* 추석 기차표 예매 가이드 - shared stylesheet */

:root{
  --paper:#ffffff;
  --paper-raised:#ffffff;
  --paper-sunk:#f6efe2;
  --ink:#2b2013;
  --ink-soft:#63533c;
  --ink-faint:#8d7c61;
  --rail:#7a4419;
  --rail-soft:#a06a34;
  --persimmon:#c1440e;
  --persimmon-soft:#f6e3d4;
  --moon:#a1740f;
  --moon-bg:#fbedc7;
  --border:rgba(43,32,19,0.12);
  --border-strong:rgba(43,32,19,0.26);
  --good:#3f6b3f;
  --shadow:0 1px 2px rgba(43,32,19,0.05), 0 8px 20px -12px rgba(43,32,19,0.16);
  --font-display:'Song Myung','Nanum Myeongjo',serif;
  --font-body:'IBM Plex Sans KR',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
  overflow-wrap:break-word;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
a{color:var(--rail);}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;font-weight:700;color:var(--ink);}
code,.mono{font-family:var(--font-mono);}
table{font-variant-numeric:tabular-nums;}
img{max-width:100%;}

.wrap{max-width:720px;margin:0 auto;padding:0 20px 100px;}

/* top bar */
.topbar{
  border-bottom:1px solid var(--border);
  background:var(--paper-raised);
}
.topbar-inner{
  max-width:720px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.brand{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--ink);
  text-decoration:none;
}
.brand .flag{font-size:18px;}
.topbar nav a{
  font-size:13.5px;color:var(--ink-soft);text-decoration:none;margin-left:16px;
}
.topbar nav a:hover{color:var(--rail);}

/* breadcrumb */
.crumb{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-faint);margin:20px 0 6px;}
.crumb a{color:var(--ink-faint);text-decoration:none;}
.crumb a:hover{color:var(--rail);}

/* hero */
.hero{
  margin:16px 0 32px;
  background-image:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--rail) 14%, transparent) 1.5px, transparent 0),
    linear-gradient(160deg,var(--moon-bg),var(--paper-raised));
  background-size:20px 20px, 100% 100%;
  color:var(--ink);
  border:1px solid var(--border);
  border-radius:8px;
  padding:34px 28px;
  box-shadow:var(--shadow);
}
.hero .eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--persimmon);font-weight:700;}
.hero h1{font-size:clamp(24px,5vw,32px);margin:10px 0 8px;line-height:1.3;color:var(--ink);}
.hero p{margin:0 0 16px;color:var(--ink-soft);font-size:15px;max-width:48ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper-raised);border:1px solid var(--border-strong);
  color:var(--ink-soft);font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:999px;
}
.dday{
  display:inline-flex;align-items:baseline;gap:8px;
  background:var(--paper-raised);border:1px solid var(--border-strong);
  padding:8px 14px;border-radius:6px;font-family:var(--font-mono);font-size:14px;margin-bottom:16px;
}
.dday b{font-size:22px;color:var(--persimmon);}
.cta{
  display:inline-block;background:var(--persimmon);color:#fff;font-weight:700;
  padding:12px 20px;border-radius:6px;text-decoration:none;font-size:14.5px;
}
.cta:hover{filter:brightness(1.06);}
.cta.on-dark.secondary{
  background:var(--paper-raised);border:1.5px solid var(--border-strong);color:var(--rail);
}
.cta.on-dark.secondary:hover{background:var(--paper-sunk);}
.cta.outline{
  background:transparent;border:1.5px solid var(--rail);color:var(--rail);
}
.cta.outline:hover{background:color-mix(in srgb, var(--rail) 8%, transparent);}
.cta.small{padding:9px 14px;font-size:13px;}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

/* quicklinks bar */
.quicklinks{
  display:flex;flex-wrap:wrap;gap:10px;margin:0 0 30px;
}
.quicklinks a{
  flex:1 1 auto;min-width:140px;text-align:center;
  background:var(--paper-raised);border:1px solid var(--border);border-radius:6px;
  padding:10px 12px;text-decoration:none;font-size:13px;font-weight:600;color:var(--ink);
  box-shadow:var(--shadow);
}
.quicklinks a .ic{margin-right:5px;}
.quicklinks a:hover{border-color:var(--rail);color:var(--rail);}

/* page h1 for sub pages (non-hero) */
.pagehead h1{font-size:clamp(22px,4.4vw,28px);margin:6px 0 14px;}

/* snippet summary box */
.snippet{
  background:var(--moon-bg);
  border:1px solid color-mix(in srgb, var(--moon) 35%, transparent);
  border-radius:6px;padding:16px 18px;margin:0 0 28px;font-size:15px;
}
.snippet .label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:var(--moon);margin-bottom:6px;}

/* sections */
section.block{margin:44px 0;}
.block h2{font-size:20px;margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid var(--border-strong);}
.block h3{font-size:16.5px;margin:22px 0 8px;}
.block p{margin:0 0 14px;color:var(--ink-soft);font-size:15.5px;}
.block ul,.block ol{padding-left:22px;color:var(--ink-soft);font-size:15.5px;}
.block li{margin-bottom:6px;}

.card{
  background:var(--paper-raised);border:1px solid var(--border);border-left:3px solid var(--rail);
  border-radius:4px;padding:18px 20px;box-shadow:var(--shadow);
}
.card.warn{border-left-color:var(--persimmon);}

/* fact table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:6px;background:var(--paper-raised);box-shadow:var(--shadow);}
table.facts{width:100%;border-collapse:collapse;font-size:14.5px;min-width:480px;}
table.facts th{
  text-align:left;font-family:var(--font-mono);font-size:11px;letter-spacing:0.05em;text-transform:uppercase;
  color:var(--ink-faint);background:var(--paper-sunk);padding:10px 14px;border-bottom:1px solid var(--border);
}
table.facts td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top;}
table.facts tr:last-child td{border-bottom:none;}
table.facts td.label{font-weight:600;white-space:nowrap;color:var(--ink);}
table.facts td.note{color:var(--ink-soft);font-size:13.5px;}

/* 3-step guide */
.steps{display:flex;flex-direction:column;gap:14px;margin:18px 0;}
.step{position:relative;display:flex;gap:14px;align-items:flex-start;background:var(--paper-raised);border:1px solid var(--border);border-radius:6px;padding:14px 16px;}
.step .n{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--rail);color:#fff;font-family:var(--font-mono);font-size:13px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;}
.step .t{font-weight:700;font-size:15px;margin-bottom:2px;}
.step .d{font-size:13.5px;color:var(--ink-soft);}
.step:not(:last-child)::after{
  content:"";position:absolute;left:29px;top:100%;width:2px;height:14px;
  background:var(--border-strong);
}

/* related grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:18px 0;}
.gcard{
  display:block;background:var(--paper-raised);border:1px solid var(--border);border-left:3px solid var(--rail);border-radius:6px;
  padding:14px 16px;text-decoration:none;box-shadow:var(--shadow);
}
.gcard .gi{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:8px;background:var(--paper-sunk);
  font-size:15px;margin-bottom:8px;
}
.gcard .t{font-weight:700;font-size:14.5px;color:var(--ink);margin-bottom:4px;}
.gcard .d{font-size:12.5px;color:var(--ink-soft);}
.gcard:hover{border-color:var(--rail);}

/* faq */
.faq details{
  background:var(--paper-raised);border:1px solid var(--border);border-radius:6px;
  padding:0;margin-bottom:8px;overflow:hidden;
}
.faq summary{
  cursor:pointer;padding:13px 16px;font-weight:600;font-size:14.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--ink-faint);display:inline-block;}
.faq .a{padding:0 16px 14px;font-size:14px;color:var(--ink-soft);}

/* footer */
footer.pagefoot{
  margin-top:60px;padding-top:20px;border-top:1px solid var(--border);
  color:var(--ink-faint);font-size:12.5px;
}
footer.pagefoot a{color:var(--ink-faint);}
footer.pagefoot .disclaimer{
  background:var(--paper-sunk);border-radius:6px;padding:12px 14px;margin-bottom:16px;font-size:12.5px;color:var(--ink-soft);
}

/* modern touches: softer radius, motion */
@keyframes heroIn{
  from{opacity:0;transform:translateY(14px);}
  to{opacity:1;transform:translateY(0);}
}
.hero{
  border-radius:18px;
  animation:heroIn 0.7s cubic-bezier(.22,.9,.32,1) both;
}
.dday,.cta,.tbl-wrap,.snippet,.faq details,.card{border-radius:12px;}
.gcard,.quicklinks a,.step{border-radius:10px;}

a{transition:color 0.15s ease;}

a:focus-visible,summary:focus-visible,.gcard:focus-visible,.quicklinks a:focus-visible{
  outline:2px solid var(--persimmon);outline-offset:2px;border-radius:4px;
}
.cta:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

.cta{transition:transform 0.18s cubic-bezier(.22,.9,.32,1), box-shadow 0.18s ease, filter 0.18s ease;}
.cta:hover{transform:translateY(-2px);box-shadow:0 10px 20px -10px color-mix(in srgb, var(--persimmon) 55%, transparent);}
.cta:active{transform:translateY(0);}
.cta.on-dark.secondary:hover,.cta.outline:hover{transform:translateY(-2px);box-shadow:var(--shadow);}

.gcard,.quicklinks a,.card,.step{transition:transform 0.18s cubic-bezier(.22,.9,.32,1), box-shadow 0.18s ease, border-color 0.18s ease;}
.gcard:hover{transform:translateY(-3px);box-shadow:0 14px 26px -14px rgba(43,32,19,0.24);}
.quicklinks a:hover{transform:translateY(-2px);}
.step:hover{border-color:var(--border-strong);box-shadow:var(--shadow);}

table.facts tbody tr{transition:background-color 0.12s ease;}
table.facts tbody tr:hover{background:var(--paper-sunk);}

.faq summary{transition:background-color 0.15s ease;}
.faq summary:hover{background:var(--paper-sunk);}
.faq summary::after{transition:transform 0.2s ease;}
.faq details[open] summary::after{transform:rotate(45deg);}

@media (max-width:560px){
  .wrap{padding:0 16px 80px;}
  .hero{padding:26px 20px;}

  /* stack fact tables into label/value/note cards instead of horizontal scroll */
  .tbl-wrap{border:none;box-shadow:none;background:transparent;overflow:visible;}
  table.facts{min-width:0;}
  table.facts thead{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
    clip:rect(0,0,0,0);white-space:nowrap;border:0;
  }
  table.facts,table.facts tbody,table.facts tr,table.facts td{display:block;width:100%;}
  table.facts tr{
    background:var(--paper-raised);border:1px solid var(--border);border-left:3px solid var(--rail);
    border-radius:8px;box-shadow:var(--shadow);margin-bottom:10px;padding:12px 14px;
  }
  table.facts tr:last-child{margin-bottom:0;}
  table.facts td{border-bottom:none;padding:3px 0;white-space:normal;}
  table.facts td.label{
    font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;
    color:var(--ink-faint);font-weight:600;
  }
  table.facts td:not(.label):not(.note){font-size:15px;color:var(--ink);font-weight:600;}
  table.facts td.note{font-size:13px;padding-top:2px;}
}