:root {
  color: #0f172a;
  background: #f8fafc;
  font-family: Inter, Pretendard, "Noto Sans", "Noto Sans KR", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: #f8fafc; color: #0f172a; }
a { color: inherit; }

.search-fallback {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 11vw, 144px) 0;
}
.search-fallback__eyebrow,
.seo-eyebrow { color: #2563eb; font-size: 0.78rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; }
.search-fallback h1 { max-width: 14ch; margin: 18px 0 24px; font-size: clamp(2.6rem, 7vw, 5.2rem); line-height: 1.03; letter-spacing: -0.06em; }
.search-fallback p, .search-fallback li { max-width: 720px; color: #526077; font-size: 1.05rem; line-height: 1.8; }
.search-fallback nav { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 30px; color: #1d4ed8; font-weight: 800; }

.seo-page { min-height: 100vh; background: #f8fafc; }
.seo-nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; padding: 0 max(22px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid #dfe5ee; background: rgba(248,250,252,.94); backdrop-filter: blur(16px); }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.05rem; font-weight: 900; letter-spacing: -.03em; }
.seo-brand img { width: 28px; height: 28px; }
.seo-nav nav { display: flex; align-items: center; gap: 18px; color: #526077; font-size: .88rem; font-weight: 750; }
.seo-nav a { text-decoration: none; }
.seo-nav .seo-cta { padding: 10px 16px; border-radius: 10px; background: #0f172a; color: white; }
.seo-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr); gap: clamp(44px, 8vw, 110px); align-items: end; width: min(1180px, calc(100% - 44px)); margin: 0 auto; padding: clamp(80px, 11vw, 150px) 0 88px; }
.seo-hero h1 { max-width: 12ch; margin: 18px 0 26px; font-size: clamp(3.2rem, 7vw, 6.5rem); line-height: .96; letter-spacing: -.075em; }
.seo-lede { max-width: 690px; color: #526077; font-size: clamp(1.05rem, 2vw, 1.25rem); line-height: 1.75; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seo-actions a { padding: 13px 18px; border: 1px solid #cbd5e1; border-radius: 10px; background: white; text-decoration: none; font-weight: 850; }
.seo-actions a:first-child { border-color: #2563eb; background: #2563eb; color: white; }
.seo-proof { padding: 28px; border-left: 3px solid #2563eb; background: white; box-shadow: 0 24px 70px rgba(15,23,42,.08); }
.seo-proof strong { display: block; font-size: 1.1rem; }
.seo-proof ul { margin: 20px 0 0; padding-left: 18px; color: #526077; line-height: 1.9; }
.seo-section { width: min(1180px, calc(100% - 44px)); margin: 0 auto; padding: 86px 0; border-top: 1px solid #dfe5ee; }
.seo-section header { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; margin-bottom: 42px; }
.seo-section h2 { max-width: 16ch; margin: 0; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.05; letter-spacing: -.055em; }
.seo-section header p { max-width: 680px; margin: 0; color: #526077; line-height: 1.8; }
.seo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid #dfe5ee; background: #dfe5ee; }
.seo-grid article { min-height: 230px; padding: 26px; background: white; }
.seo-grid span { color: #2563eb; font-size: .74rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.seo-grid h3 { margin: 46px 0 12px; font-size: 1.25rem; letter-spacing: -.035em; }
.seo-grid p { color: #64748b; line-height: 1.7; }
.seo-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.seo-steps article { counter-increment: step; padding-top: 22px; border-top: 2px solid #0f172a; }
.seo-steps article::before { content: "0" counter(step); color: #2563eb; font-size: .78rem; font-weight: 900; }
.seo-steps p { color: #64748b; line-height: 1.7; }
.seo-faq { display: grid; gap: 0; border-top: 1px solid #dfe5ee; }
.seo-faq details { padding: 22px 0; border-bottom: 1px solid #dfe5ee; }
.seo-faq summary { cursor: pointer; font-size: 1.08rem; font-weight: 850; }
.seo-faq p { max-width: 780px; color: #526077; line-height: 1.75; }
.seo-footer { padding: 50px max(22px, calc((100vw - 1180px) / 2)); background: #0f172a; color: #cbd5e1; }
.seo-footer strong { color: white; }
.seo-footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 18px; }

@media (max-width: 820px) {
  .seo-nav nav a:not(.seo-cta) { display: none; }
  .seo-hero { grid-template-columns: 1fr; }
  .seo-hero h1 { font-size: clamp(3rem, 15vw, 5.3rem); }
  .seo-section header { grid-template-columns: 1fr; }
  .seo-grid { grid-template-columns: 1fr 1fr; }
  .seo-steps { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .seo-grid { grid-template-columns: 1fr; }
  .seo-hero, .seo-section { width: min(100% - 32px, 1180px); }
}