@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400..700&family=Geist+Mono:wght@400..600&display=swap");

:root {
  --bg: #ffffff;
  --ink: #141414;
  --muted: #5c5c5c;
  --line: #e6e6e6;
  --soft: #f6f5f3;
  --sand: #f3ece4;
  --teal: #0f766e;
  --amber: #b45309;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Geist", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand { font-weight: 700; letter-spacing: -0.03em; font-size: 18px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 14px; color: #3f3f3f; }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 650; }
.actions { display: flex; align-items: center; gap: 8px; }
button.menu-btn { display: none; background: transparent; border: 0; padding: 8px 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 650;
}
.btn-dark { background: var(--ink); color: white; }
.btn-dark:hover { background: #000; }
.btn-line { background: white; border-color: #d4d4d4; color: var(--ink); }
.btn-line:hover { background: var(--soft); }
.btn-lg { height: 48px; padding: 0 20px; }

.hero { padding: 88px 0 0; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: #e7f6f2;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
h1 {
  margin: 18px auto 0;
  max-width: 820px;
  font-size: clamp(46px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 650;
}
.lede {
  max-width: 620px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 18px;
}
.hero-actions { display: flex; justify-content: center; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.trust {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin: 28px 0 0;
  color: #737373;
  font-size: 13px;
  font-weight: 600;
}

.stage { margin-top: 48px; background: var(--sand); border-radius: 28px 28px 0 0; padding: 28px 28px 0; }
.frame {
  background: white;
  border: 1px solid #eadfd4;
  border-bottom: 0;
  border-radius: 16px 16px 0 0;
  overflow: hidden;
  text-align: left;
}
.frame-top {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  color: #737373;
  font-size: 13px;
}
.dot { width: 8px; height: 8px; border-radius: 99px; background: #ddd; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; font-size: 14px; border-top: 1px solid var(--line); }
th { color: #737373; font-weight: 600; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.pill-blog { background: #e7f6f2; color: var(--teal); }
.pill-aff { background: #fef3c7; color: var(--amber); }
.pill-on { background: #ecfdf3; color: #166534; }

.section { padding: 88px 0; }
.section h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.intro { max-width: 640px; color: var(--muted); margin-top: 12px; }
.center { text-align: center; }
.center .intro { margin-left: auto; margin-right: auto; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.step { padding: 28px 24px 0 0; }
.step + .step { border-left: 1px solid var(--line); padding-left: 24px; }
.num { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; color: var(--teal); }
.step h3 { margin: 12px 0 8px; font-size: 22px; letter-spacing: -0.03em; }
.step p, .card p, .plan p { margin: 0; color: var(--muted); }

.grid, .plans { display: grid; gap: 16px; margin-top: 36px; }
.grid { grid-template-columns: repeat(3, 1fr); }
.plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.card, .plan {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  text-align: left;
}
.card { border-top: 3px solid var(--ink); }
.card.teal { border-top-color: var(--teal); }
.card.amber { border-top-color: var(--amber); }
.card h3, .plan h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }

.plan { display: flex; flex-direction: column; position: relative; }
.plan.popular { border-color: var(--ink); border-width: 2px; }
.flag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--ink);
  color: white;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
}
.price { margin: 18px 0; font-size: 48px; letter-spacing: -0.05em; font-weight: 650; }
.price small { font-size: 15px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan ul { margin: 0 0 24px; padding: 0; list-style: none; flex: 1; }
.plan li { padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.plan .btn { width: 100%; }

.band {
  background: var(--ink);
  color: white;
  border-radius: 24px;
  padding: 64px 32px;
  text-align: center;
}
.band h2 { color: white; }
.band .intro { color: #cfcfcf; }
.band .btn-line { background: transparent; color: white; border-color: #555; }

.page-hero { padding: 64px 0 8px; }

.site-footer { border-top: 1px solid var(--line); padding: 36px 0 48px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.footer-inner nav { display: flex; gap: 18px; }
.footer-inner strong { color: var(--ink); }

@media (max-width: 860px) {
  .steps, .grid, .plans { grid-template-columns: 1fr; }
  .step + .step { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
  }
  button.menu-btn { display: inline-flex; }
  .stage { padding: 16px 16px 0; }
  th:nth-child(3), td:nth-child(3) { display: none; }
}
