:root {
  --green: #0b7a70;
  --green-dark: #0a6b66;
  --ink: #0b0b12;
  --sub: #525c70;
  --muted: #8a92a3;
  --line: #e2e6ee;
  --line-strong: #c9cfdb;
  --red: #c2362b;
  --bg: #ffffff;
  --gutter: clamp(16px, 8.3vw, 120px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 700; }

.wrap { padding-left: var(--gutter); padding-right: var(--gutter); }

/* 머리 */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 32px;
  padding-top: 18px; padding-bottom: 18px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .logo { display: flex; align-items: center; gap: 14px; }
.top .logo img { height: 28px; width: auto; display: block; }
.top .logo .product { color: var(--green); font-weight: 700; font-size: 17px; padding-left: 4px; }
.top .spacer { flex: 1; }
.top nav { display: flex; align-items: center; gap: 28px; }
.top nav a { color: var(--sub); font-weight: 500; font-size: 15px; }
.top nav a.strong { color: var(--ink); font-weight: 700; }
.top nav a:hover { color: var(--green); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 700; font-size: 15px; line-height: 23px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn.primary { background: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { border-color: var(--green); color: var(--green); }
.btn.white { background: #fff; color: var(--green); }

/* 첫 화면 */
.hero {
  display: grid; grid-template-columns: 1fr 560px; gap: 64px; align-items: center;
  padding-top: 72px; padding-bottom: 96px;
}
.hero h1 { font-size: clamp(38px, 4.5vw, 64px); line-height: 1.28; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--green); display: block; }
.hero .lead { color: var(--sub); font-size: 19px; line-height: 32px; margin-top: 28px; }
.hero .actions { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }

.compare {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px;
  box-shadow: 0 16px 48px rgba(10,20,51,.08);
}
.compare h3 { font-size: 20px; line-height: 30px; margin-bottom: 20px; }
.compare .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare .col > p { font-size: 14px; font-weight: 700; line-height: 30px; }
.compare .yes > p { color: var(--green); }
.compare .no > p { color: var(--red); }
.compare ul { list-style: none; margin: 0; padding: 0; }
.compare li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 24px; font-weight: 500; }
.compare .no li { color: var(--muted); font-weight: 400; text-decoration: line-through; }

.rule { height: 1px; background: var(--line); }

/* 절 */
.section { padding-top: 88px; padding-bottom: 88px; }
.section.tight { padding-top: 20px; }
.section h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.33; letter-spacing: -0.01em; }
.section .desc { color: var(--sub); font-size: 18px; line-height: 30px; margin-top: 12px; }
.cards { display: grid; gap: 16px; margin-top: 44px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.five { grid-template-columns: repeat(5, 1fr); gap: 14px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px 26px; }
.card .k { color: var(--green); font-size: 14px; font-weight: 500; line-height: 22px; }
.card .v { font-size: 22px; font-weight: 700; line-height: 32px; margin-top: 8px; }
.card.role .k { font-size: 20px; font-weight: 700; line-height: 30px; }
.card.role .v { color: var(--sub); font-size: 15px; font-weight: 400; line-height: 24px; margin-top: 10px; }

/* 흐름 */
.steps { margin-top: 44px; border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: 48px 380px 1fr; gap: 32px; align-items: center;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.step .n { color: var(--green); font-size: 28px; font-weight: 700; line-height: 38px; }
.step .t { font-size: 22px; font-weight: 700; line-height: 32px; }
.step .d { color: var(--sub); font-size: 17px; line-height: 28px; }
.note { color: var(--sub); font-size: 17px; font-weight: 500; line-height: 28px; margin-top: 44px; }

/* 문의 */
.cta {
  background: var(--green); color: #fff;
  display: flex; align-items: center; gap: 40px;
  padding-top: 64px; padding-bottom: 64px;
}
.cta h2 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.33; flex: 1; }
.cta .sub { color: #d6ece9; font-size: 16px; line-height: 26px; margin-top: 10px; }

.foot { background: var(--ink); color: #a5a9b8; font-size: 14px; line-height: 22px; padding-top: 28px; padding-bottom: 28px; }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .compare { max-width: 640px; }
  .cards.five { grid-template-columns: repeat(3, 1fr); }
  .step { grid-template-columns: 48px 1fr; }
  .step .d { grid-column: 2; }
}
@media (max-width: 760px) {
  .top { gap: 16px; }
  .top nav a:not(.strong) { display: none; }
  .hero { padding-top: 48px; padding-bottom: 64px; }
  .hero .lead { font-size: 17px; line-height: 28px; }
  .compare { padding: 24px 20px; }
  .compare .cols { grid-template-columns: 1fr; }
  .cards.three, .cards.five { grid-template-columns: 1fr; }
  .section { padding-top: 56px; padding-bottom: 56px; }
  .step { gap: 16px; }
  .cta { flex-direction: column; align-items: flex-start; }
}