:root {
  --ink: #111936;
  --paper: #f7f8fc;
  --white: #ffffff;
  --red: #ff5a4f;
  --blue: #2457f5;
  --muted: #66708a;
  --line: #dce0eb;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", "Gowun Dodum", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(17, 25, 54, .1);
  background: rgba(247, 248, 252, .9);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; }
.brand b { color: var(--red); }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: #fff; background: var(--ink); font-weight: 800; }
nav { display: flex; align-items: center; gap: 32px; font-size: .9rem; font-weight: 700; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--blue); }
.header-cta { padding: 10px 18px; border: 1px solid var(--ink); border-radius: 999px; font-size: .85rem; font-weight: 800; }

main { overflow: hidden; }
.hero {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(30px, 6vw, 92px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: 72px 5vw 76px;
}
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .09em; }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 6px rgba(255, 90, 79, .12); }
h1 { margin: 24px 0 22px; font-size: clamp(3rem, 6.5vw, 6.6rem); line-height: .96; letter-spacing: -.075em; }
h1 em { color: var(--red); font-style: normal; }
.hero-copy > p { max-width: 610px; margin: 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 34px; }
.primary-button { display: inline-flex; align-items: center; gap: 28px; padding: 15px 19px 15px 23px; border-radius: 14px; color: #fff; background: var(--ink); font-weight: 800; box-shadow: 0 16px 30px rgba(17, 25, 54, .16); }
.primary-button span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 8px; background: var(--red); }
.microcopy { color: var(--muted); font-size: .8rem; }
.hero-stats { display: flex; gap: 0; margin: 48px 0 0; }
.hero-stats div { min-width: 128px; padding-right: 28px; border-right: 1px solid var(--line); }
.hero-stats div + div { padding-left: 28px; }
.hero-stats div:last-child { border-right: 0; }
.hero-stats dt { font-size: 1.25rem; font-weight: 800; }
.hero-stats dd { margin: 1px 0 0; color: var(--muted); font-size: .76rem; }

.hero-visual { position: relative; max-width: 690px; margin-left: auto; }
.image-frame { position: relative; overflow: hidden; aspect-ratio: 4/5; border-radius: 40px 40px 110px 40px; background: linear-gradient(145deg, #222c58, #0c1228); box-shadow: 0 34px 80px rgba(17, 25, 54, .23); }
.image-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10, 16, 38, .45), transparent 48%); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-label { position: absolute; z-index: 2; left: 28px; bottom: 24px; color: #fff; font-size: .78rem; font-weight: 800; letter-spacing: .14em; }
.floating-card { position: absolute; right: -20px; bottom: 11%; width: 210px; padding: 20px; border: 1px solid rgba(255,255,255,.7); border-radius: 20px; background: rgba(255,255,255,.88); box-shadow: 0 20px 45px rgba(17,25,54,.18); backdrop-filter: blur(14px); }
.floating-card span { color: var(--muted); font-size: .75rem; }
.floating-card strong { display: block; margin: 2px 0 12px; font-size: 1rem; }
.progress { height: 5px; overflow: hidden; border-radius: 999px; background: #e5e8f1; }
.progress i { display: block; width: 62%; height: 100%; background: var(--red); }

.category-strip { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3.5vw, 58px); padding: 22px 5vw; color: rgba(255,255,255,.9); background: var(--ink); font-size: .76rem; font-weight: 800; letter-spacing: .14em; white-space: nowrap; }
.category-strip i { width: 4px; height: 4px; border-radius: 50%; background: var(--red); }

.steps { padding: 120px 5vw; background: #fff; }
.section-heading { display: grid; grid-template-columns: .5fr 1fr; align-items: end; margin-bottom: 62px; }
.section-heading > span, .notice-title > span, .opening > span { color: var(--red); font-size: .76rem; font-weight: 800; letter-spacing: .14em; }
h2 { margin: 0; font-size: clamp(2.1rem, 4.1vw, 4.6rem); line-height: 1.08; letter-spacing: -.055em; }
.steps ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0; padding: 0; list-style: none; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.steps li { min-height: 290px; padding: 30px; background: #fff; }
.steps li b { display: inline-grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); font-size: .76rem; }
.steps h3 { margin: 58px 0 10px; font-size: 1.28rem; }
.steps p, .cost > p { margin: 0; color: var(--muted); }

.cost { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding: 120px 5vw; color: #fff; background: var(--ink); }
.cost h2 { margin-top: 18px; }
.cost-formula { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; align-self: center; }
.cost-formula span { padding: 18px 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; text-align: center; background: rgba(255,255,255,.05); }
.cost-formula b { color: var(--red); text-align: center; }
.cost > p { grid-column: 2; color: #b9c0d4; font-size: .88rem; }

.notice { padding: 120px 5vw; }
.notice-title { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 50px; }
.notice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.notice-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.notice-grid span { color: var(--blue); font-size: .75rem; font-weight: 800; }
.notice-grid p { margin: 44px 0 0; }

.opening { margin: 0 5vw 90px; padding: 76px 8vw; border-radius: 34px; text-align: center; color: #fff; background: linear-gradient(135deg, #2457f5, #1738a7); }
.opening h2 { margin: 16px auto 18px; max-width: 900px; }
.opening p { margin: 0; color: #dbe4ff; }
footer { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; padding: 34px 5vw; border-top: 1px solid var(--line); color: var(--muted); background: #fff; font-size: .74rem; }
.footer-brand { color: var(--ink); }
.copyright { text-align: right; }

@media (max-width: 960px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .hero-visual { width: min(90%, 620px); margin: 10px auto 0; }
  .image-frame { aspect-ratio: 6/5; border-radius: 30px 30px 72px 30px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .steps ol { grid-template-columns: repeat(2, 1fr); }
  .cost { grid-template-columns: 1fr; gap: 44px; }
  .cost > p { grid-column: 1; }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .copyright { text-align: center; }
}

@media (max-width: 640px) {
  .site-header { min-height: 68px; }
  .header-cta { padding: 8px 13px; }
  .hero { min-height: auto; padding: 52px 5vw 56px; }
  h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-stats { width: 100%; }
  .hero-stats div { min-width: 0; flex: 1; padding-right: 13px; }
  .hero-stats div + div { padding-left: 13px; }
  .hero-stats dd { font-size: .7rem; }
  .hero-visual { width: 100%; }
  .image-frame { aspect-ratio: 4/5; }
  .floating-card { right: 10px; width: 185px; }
  .category-strip { justify-content: flex-start; overflow: hidden; }
  .steps, .cost, .notice { padding-top: 86px; padding-bottom: 86px; }
  .steps ol, .notice-grid { grid-template-columns: 1fr; }
  .steps li { min-height: 230px; }
  .steps h3 { margin-top: 38px; }
  .cost-formula { grid-template-columns: 1fr; }
  .cost-formula b { transform: rotate(90deg); }
  .notice-title { align-items: flex-start; flex-direction: column; }
  .opening { margin-bottom: 60px; padding: 58px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
