:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --text: #161616;
  --muted: #5f6673;
  --line: rgba(20, 20, 20, 0.1);
  --accent: #ff4a4a;
  --accent-dark: #d71920;
  --soft: #fff3f3;
  --shadow: 0 18px 45px rgba(24, 24, 24, 0.08);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.72;
  letter-spacing: -0.02em;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
p, h1, h2, h3 { margin-top: 0; }
p { word-break: keep-all; }
.container { width: min(100% - 32px, 1080px); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 10px; z-index: 9999; padding: 8px 12px; color: #fff; background: #111; border-radius: 10px; }
.skip-link:focus { left: 10px; }
.page-bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(circle at 50% 0%, rgba(255, 74, 74, 0.09), transparent 32%), linear-gradient(180deg, #fff 0%, #f8f9fc 55%, #eef1f6 100%); }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(0,0,0,.06); background: rgba(255,255,255,.92); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 178px; height: auto; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.nav-link { padding: 9px 12px; border-radius: 999px; color: #333; font-weight: 800; font-size: 14px; }
.nav-link:hover, .nav-link:focus { background: var(--soft); color: var(--accent-dark); }
.main-wrap { padding: 42px 0 70px; }
.hero-card, .page-title-card, .content-card, .summary-card, .link-card, .cta-card, .faq-section { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card, .page-title-card { text-align: center; padding: clamp(34px, 7vw, 72px) clamp(20px, 5vw, 62px); }
.eyebrow, .section-label { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; padding: 6px 12px; border-radius: 999px; background: var(--soft); color: var(--accent-dark); font-size: 13px; font-weight: 900; letter-spacing: .02em; }
h1 { margin-bottom: 16px; font-size: clamp(34px, 6vw, 64px); line-height: 1.12; letter-spacing: -0.07em; }
h2 { margin-bottom: 12px; font-size: clamp(23px, 4vw, 32px); line-height: 1.35; letter-spacing: -0.05em; }
.lead { max-width: 760px; margin: 0 auto 26px; color: var(--muted); font-size: clamp(16px, 2.5vw, 20px); }
.action-stack { width: min(100%, 620px); margin: 30px auto 0; display: flex; flex-direction: column; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border: 0; cursor: pointer; padding: 17px 24px; border-radius: 999px; font-weight: 950; text-align: center; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.wide { width: 100%; font-size: clamp(19px, 4vw, 30px); line-height: 1.2; }
.btn.primary { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 14px 26px rgba(255, 56, 56, .22); }
.btn.secondary { color: var(--accent-dark); background: #fff; border: 1px solid rgba(215,25,32,.18); }
.small-note { max-width: 760px; margin: 18px auto 0; color: #777; font-size: 14px; }
.summary-grid, .link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.summary-card, .link-card { padding: 24px; }
.summary-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 14px; background: var(--soft); color: var(--accent-dark); font-weight: 950; }
.summary-card h2 { font-size: 22px; }
.summary-card p, .content-card p, .faq-section p, .cta-card p { color: var(--muted); }
.text-link { color: var(--accent-dark); font-weight: 900; text-decoration: underline; text-underline-offset: 4px; }
.content-card, .cta-card, .faq-section { margin-top: 22px; padding: clamp(22px, 4vw, 34px); }
.guide-list { margin: 12px 0 0; padding-left: 22px; color: #404653; line-height: 1.9; }
.guide-list li + li { margin-top: 6px; }
.link-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.link-card { display: flex; flex-direction: column; min-height: 132px; gap: 8px; transition: transform .2s ease, border-color .2s ease; }
.link-card:hover, .link-card:focus { transform: translateY(-3px); border-color: rgba(215,25,32,.25); }
.link-card strong { font-size: 18px; line-height: 1.35; }
.link-card span { color: var(--muted); font-size: 14px; }
.step-list { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-top: 20px; }
.step-list article { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.step-list span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 50%; background: var(--soft); color: var(--accent-dark); font-weight: 950; }
.step-list strong { display: block; margin-bottom: 8px; font-size: 18px; }
.step-list p { margin-bottom: 0; font-size: 14px; }
.faq-section details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq-section details:first-child { border-top: 0; padding-top: 0; }
.faq-section summary { cursor: pointer; font-weight: 950; font-size: 18px; }
.faq-section p { margin: 10px 0 0; }
.timeline { display: grid; gap: 14px; }
.timeline article { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.timeline time { display: inline-block; margin-bottom: 8px; color: var(--accent-dark); font-weight: 950; }
.timeline strong { display: block; margin-bottom: 8px; font-size: 19px; }
.timeline p { margin: 0; }
.cta-card { text-align: center; }
.cta-card .btn { margin-top: 10px; width: min(100%, 560px); }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; background: rgba(255,255,255,.68); color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.footer-inner p { margin: 0; }
.footer-links { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.footer-links a { font-weight: 800; }
@media (max-width: 920px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .site-nav { justify-content: flex-start; }
  .summary-grid, .link-grid, .step-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .container { width: min(100% - 22px, 1080px); }
  .brand img { width: 150px; }
  .nav-link { padding: 8px 10px; font-size: 13px; }
  .main-wrap { padding: 26px 0 54px; }
  .hero-card, .page-title-card, .content-card, .cta-card, .faq-section { border-radius: 18px; }
  .hero-card, .page-title-card { padding: 30px 18px; }
  .summary-grid, .link-grid, .step-list { grid-template-columns: 1fr; }
  .summary-card, .link-card { padding: 20px; }
  .link-card { min-height: auto; }
}
