@import url("https://cdn.jsdelivr.net/gh/sunn-us/SUIT/fonts/variable/woff2/SUIT-Variable.css");

:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-deep: #0b1225;
  --border: rgba(20, 36, 76, 0.1);
  --text: #101828;
  --text-soft: #54607a;
  --primary: #1d4ed8;
  --primary-strong: #173bb2;
  --accent: #0ea5e9;
  --warning: #ea580c;
  --warning-soft: #ffedd5;
  --success: #047857;
  --success-soft: #d1fae5;
  --shadow-lg: 0 28px 70px rgba(24, 46, 97, 0.14);
  --shadow-md: 0 18px 40px rgba(16, 24, 40, 0.08);
  --radius-lg: 22px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 28%),
    linear-gradient(180deg, #f6f9ff 0%, #f4f7fb 24%, #f7f8fc 100%);
  color: var(--text);
  font-family: "SUIT Variable", "Pretendard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(14, 165, 233, 0.35); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.site-shell { min-height: 100vh; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(244, 247, 251, 0.84);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px;
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.9), rgba(255,255,255,0.15)),
    linear-gradient(135deg, #2855f5, #16b9ff);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 10px 22px rgba(33, 85, 245, 0.22);
  position: relative;
}
.brand-mark::before,
.brand-mark::after {
  content: ""; position: absolute; inset: 11px; border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.92);
}
.brand-mark::after { inset: 17px; background: rgba(255,255,255,0.92); }
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 1rem; letter-spacing: -0.03em; }
.brand-copy small { color: var(--text-soft); font-size: 0.77rem; }

.nav-links { display: flex; align-items: center; gap: 16px; font-size: 0.95rem; color: var(--text-soft); }
.nav-links a { padding: 10px 0; position: relative; }
.nav-links a.is-active, .nav-links a:hover { color: var(--text); }
.nav-links a.is-active::after, .nav-links a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 2px;
  border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--accent));
}

.nav-search, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 18px; font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.nav-search, .button.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; box-shadow: 0 16px 32px rgba(29, 78, 216, 0.22);
}
.button.ghost {
  background: rgba(255,255,255,0.14); color: #fff;
  border: 1px solid rgba(255,255,255,0.28);
}
.nav-search:hover, .button:hover { transform: translateY(-1px); }

.hero {
  position: relative; overflow: clip; padding: 56px 0 42px;
  background:
    radial-gradient(circle at 15% 25%, rgba(255,255,255,0.22), transparent 20%),
    radial-gradient(circle at 90% 20%, rgba(255,255,255,0.14), transparent 24%),
    linear-gradient(128deg, #173ab6 0%, #1766e4 42%, #17b7ef 100%);
  color: #fff;
}
.hero::after {
  content: ""; position: absolute; inset: auto -8% -90px; height: 180px;
  border-radius: 50%; background: rgba(255,255,255,0.16); filter: blur(60px);
}
.hero-grid { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(300px,0.8fr); gap: 28px; align-items: start; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.18);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.hero h1, .sub-hero h1 {
  margin: 18px 0 14px; font-size: clamp(2.2rem, 5vw, 3.9rem);
  line-height: 1.05; letter-spacing: -0.06em;
}
.hero-text, .sub-hero p {
  margin: 0 0 26px; max-width: 640px; font-size: 1.02rem; color: rgba(255,255,255,0.88);
}

.search-form, .inline-search {
  display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 22px;
  background: rgba(255,255,255,0.98); box-shadow: 0 24px 50px rgba(8,23,80,0.16);
}
.search-form input, .inline-search input, .sort-wrap select, .contact-card input, .contact-card select, .contact-card textarea {
  width: 100%; border: 0; background: transparent; color: var(--text);
}
.search-form input, .inline-search input { min-height: 52px; padding: 0 8px; }
.search-form button, .inline-search button {
  flex: 0 0 auto; min-height: 52px; border: 0; border-radius: 16px; padding: 0 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-weight: 700;
}

.keyword-row, .filter-chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.keyword-chip, .filter-chip, .mini-badge, .badge, .guide-kicker { border-radius: 999px; }
.keyword-chip {
  display: inline-flex; align-items: center; justify-content: center; padding: 9px 14px;
  font-size: 0.9rem; font-weight: 700; background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18); color: #fff;
}

.hero-panel { display: grid; gap: 16px; }
.hero-metric, .mini-card, .policy-card, .deadline-card, .guide-card, .flow-card, .contact-card, .prose-card, .faq-item {
  background: rgba(255,255,255,0.92); color: var(--text); border: 1px solid rgba(255,255,255,0.35); box-shadow: var(--shadow-md);
}
.hero-metric { border-radius: var(--radius-lg); padding: 22px; }
.hero-metric span { color: var(--text-soft); display: block; font-size: 0.9rem; }
.hero-metric strong { display: block; margin: 8px 0 4px; font-size: 2rem; letter-spacing: -0.05em; }
.hero-metric small { color: var(--text-soft); }
.hero-metric.alt { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.2); }
.hero-metric.alt span, .hero-metric.alt small { color: rgba(255,255,255,0.75); }
.hero-card-stack { display: grid; gap: 14px; }
.mini-card { border-radius: 24px; padding: 20px 22px; }
.mini-card h2 { margin: 12px 0 8px; font-size: 1.06rem; }
.mini-card p, .policy-meta, .guide-meta, .footer-copy, .contact-note, .prose-card p, .faq-answer, .policy-card p, .category-card span { color: var(--text-soft); }

.mini-badge, .badge, .guide-kicker {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px;
  font-size: 0.76rem; font-weight: 800;
}
.mini-badge, .badge.primary, .guide-kicker { background: rgba(29,78,216,0.09); color: var(--primary-strong); }
.mini-badge.accent, .badge.accent { background: rgba(14,165,233,0.14); color: #0369a1; }
.badge.warn { background: var(--warning-soft); color: var(--warning); }
.badge.success { background: var(--success-soft); color: var(--success); }

.section { padding: 68px 0; }
.section-tight { padding-top: 40px; }
.section-soft { background: linear-gradient(180deg, rgba(255,255,255,0.46), rgba(224,242,254,0.42)); }
.section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 24px;
}
.section-head.compact { margin-bottom: 18px; }
.section-head h2 { margin: 10px 0 0; font-size: clamp(1.5rem, 3vw, 2.3rem); letter-spacing: -0.04em; }
.text-link { color: var(--primary-strong); font-weight: 700; }
.category-ribbon { padding: 26px 0 8px; }

.category-grid, .policy-grid, .guide-grid, .deadline-grid, .flow-grid, .contact-grid, .footer-grid { display: grid; gap: 18px; }
.category-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.category-card {
  display: grid; gap: 8px; border: 1px solid var(--border); padding: 22px;
  background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); transition: transform 180ms ease;
}
.category-card strong { font-size: 1.05rem; }
.category-card:hover, .policy-card:hover, .deadline-card:hover, .guide-card:hover { transform: translateY(-2px); }

.deadline-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.deadline-card, .policy-card, .guide-card, .flow-card, .contact-card, .prose-card, .faq-item {
  border-radius: var(--radius-lg); padding: 24px; transition: transform 180ms ease, box-shadow 180ms ease;
}
.deadline-card { position: relative; overflow: hidden; }
.deadline-card::after {
  content: ""; position: absolute; inset: auto -15% -50px; height: 120px;
  background: linear-gradient(90deg, rgba(29,78,216,0.08), rgba(14,165,233,0.18)); border-radius: 50%;
}
.card-topline, .policy-topline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.deadline-card h3, .policy-card h3, .guide-card h3, .flow-card h3, .faq-item h3 {
  margin: 0 0 10px; font-size: 1.2rem; line-height: 1.35; letter-spacing: -0.03em;
}

.policy-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.policy-grid.large { grid-template-columns: repeat(2, minmax(0,1fr)); }
.policy-card { display: grid; gap: 14px; position: relative; }
.policy-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.93rem; }
.card-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.button-link, .button-link-muted { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; background: none; border: 0; padding: 0; }
.button-link { color: var(--primary-strong); }
.button-link-muted { color: var(--text-soft); }

.flow-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.flow-card span {
  display: inline-flex; width: 42px; height: 42px; border-radius: 14px;
  align-items: center; justify-content: center; font-weight: 900;
  background: linear-gradient(135deg, rgba(29,78,216,0.1), rgba(14,165,233,0.18)); color: var(--primary-strong);
}
.guide-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.guide-card { display: grid; gap: 12px; }
.guide-points { margin: 0; padding-left: 18px; color: var(--text-soft); }
.guide-points li + li, .list-points li + li { margin-top: 6px; }

.faq-wrap { max-width: 900px; }
.faq-list { display: grid; gap: 14px; }
.faq-item summary { list-style: none; cursor: pointer; font-size: 1.02rem; font-weight: 800; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] { box-shadow: var(--shadow-lg); }
.faq-answer { margin-top: 12px; }

.cta-band { padding: 28px 0 72px; }
.cta-band-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 30px 32px; border-radius: 34px;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.16), transparent 34%),
    linear-gradient(135deg, #10224f, #13388c 58%, #1367af 100%);
  color: #fff; box-shadow: var(--shadow-lg);
}
.cta-band h2 {
  margin: 14px 0 10px; font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.12; letter-spacing: -0.05em;
}
.cta-band p { margin: 0; color: rgba(255,255,255,0.8); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: 0 0 auto; }

.subpage-main { padding-bottom: 42px; }
.sub-hero { padding: 44px 0 24px; background: linear-gradient(180deg, rgba(23,58,182,0.06), rgba(255,255,255,0)); }
.filter-bar { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.inline-search { flex: 1 1 auto; min-width: 0; }
.sort-wrap { display: grid; gap: 8px; flex: 0 0 220px; color: var(--text-soft); }
.sort-wrap select {
  min-height: 60px; padding: 0 18px; border-radius: 20px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-md);
}
.filter-chip-row { margin-top: 0; margin-bottom: 24px; }
.filter-chip {
  display: inline-flex; align-items: center; justify-content: center; padding: 9px 14px;
  font-size: 0.9rem; font-weight: 700; background: var(--surface);
  border: 1px solid var(--border); color: var(--text-soft);
}
.filter-chip.is-active { background: linear-gradient(135deg, rgba(29,78,216,0.12), rgba(14,165,233,0.16)); border-color: rgba(29,78,216,0.24); color: var(--primary-strong); }
.results-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.results-head strong { font-size: 1.5rem; letter-spacing: -0.04em; }
.empty-state {
  padding: 40px 26px; border-radius: 26px; text-align: center;
  background: var(--surface); box-shadow: var(--shadow-md);
}

.contact-grid { grid-template-columns: minmax(0,1fr) minmax(360px,460px); align-items: start; }
.contact-copy h1, .prose-card h1 {
  margin: 18px 0 16px; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -0.05em;
}
.contact-points { margin: 18px 0 0; padding-left: 18px; }
.contact-card { display: grid; gap: 16px; }
.contact-card label { display: grid; gap: 8px; }
.contact-card input, .contact-card select, .contact-card textarea {
  min-height: 54px; padding: 0 16px; border-radius: 16px; border: 1px solid var(--border); background: var(--bg);
}
.contact-card textarea { min-height: 140px; padding: 16px; resize: vertical; }
.prose-card { max-width: 860px; }
.prose-card h2 { margin: 28px 0 10px; font-size: 1.2rem; letter-spacing: -0.03em; }

.site-footer { padding: 34px 0 22px; background: #091120; color: rgba(255,255,255,0.88); }
.footer-grid { grid-template-columns: minmax(0,1fr) minmax(220px,320px); align-items: start; }
.footer-links { display: grid; gap: 10px; justify-items: start; }
.footer-links a, .footer-copy, .footer-meta, .footer-brand .brand-copy small { color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: #fff; }
.footer-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.88rem;
}

.modal { position: fixed; inset: 0; z-index: 60; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(7,12,24,0.52); backdrop-filter: blur(8px); }
.modal-dialog {
  position: relative; width: min(calc(100% - 24px), 760px); max-height: calc(100vh - 48px);
  margin: 24px auto; border-radius: 28px; background: #fff; overflow: auto;
  box-shadow: 0 32px 80px rgba(2,6,23,0.34);
}
.modal-close {
  position: sticky; top: 16px; float: right; margin: 16px 16px 0 0; width: 42px; height: 42px;
  border: 0; border-radius: 50%; background: rgba(15,23,42,0.06); color: var(--text); font-size: 1.4rem;
}
.modal-body { padding: 24px 28px 30px; }
.modal-grid { display: grid; gap: 18px; }
.modal-grid h2 { margin: 6px 0 8px; font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.1; letter-spacing: -0.05em; }
.modal-section { padding: 20px 22px; border-radius: 22px; background: var(--bg); }
.modal-section h3 { margin: 0 0 10px; font-size: 1rem; }
.list-points { margin: 0; padding-left: 18px; }

@media (max-width: 1100px) {
  .hero-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .policy-grid, .guide-grid, .deadline-grid, .category-grid, .flow-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cta-band-inner { flex-direction: column; align-items: start; }
}

@media (max-width: 820px) {
  .topbar-inner, .filter-bar, .results-head { flex-direction: column; align-items: stretch; }
  .nav-links { flex-wrap: wrap; justify-content: center; }
  .nav-search { width: 100%; }
  .policy-grid, .policy-grid.large, .guide-grid, .deadline-grid, .category-grid, .flow-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .search-form, .inline-search { flex-direction: column; align-items: stretch; }
  .search-form button, .inline-search button { width: 100%; }
  .modal-dialog { width: calc(100% - 16px); margin: 8px auto; max-height: calc(100vh - 16px); }
}