:root {
  --navy: #102a43;
  --deep: #071725;
  --blue: #5f95bd;
  --blue-soft: #eaf3f8;
  --sage: #dfe8de;
  --sage-deep: #6f856d;
  --cream: #fbf7ed;
  --sand: #efe3cd;
  --gold: #c9a75c;
  --brown: #7f6247;
  --ink: #172233;
  --muted: #657386;
  --line: #e1d9cc;
  --shadow: 0 24px 70px rgba(16, 42, 67, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: Arial, "Pretendard", "Noto Sans KR", sans-serif;
  word-break: keep-all;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 72px;
  padding: 0 clamp(18px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(225, 217, 204, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  color: #4d5c70;
  font-size: 14px;
  font-weight: 900;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 900;
}

.button.primary {
  color: #fff;
  background: var(--navy);
}

.button.light {
  color: var(--navy);
  background: #fff;
  border-color: rgba(16, 42, 67, 0.16);
}

.section-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  padding: clamp(78px, 11vw, 132px) 0 72px;
  color: #fff;
  background: var(--deep);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5.8vw, 72px);
  line-height: 1.08;
}

h2 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.18;
}

h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 23px;
}

.hero p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

section {
  padding: 82px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.card.dark {
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
}

.card.dark h3 {
  color: #fff;
}

.card span {
  display: block;
  margin-bottom: 16px;
  color: var(--brown);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.card.dark span {
  color: var(--gold);
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.65;
}

.card.dark p,
.card.dark li {
  color: rgba(255, 255, 255, 0.76);
}

.panel {
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.panel.dark {
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
}

.panel.dark h2,
.panel.dark h3 {
  color: #fff;
}

.panel.dark p {
  color: rgba(255, 255, 255, 0.76);
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfaf7;
}

.step-list b {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #fff;
  background: var(--navy);
  border-radius: 50%;
  font-size: 13px;
}

.step-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
}

.step-list span {
  color: var(--muted);
  line-height: 1.55;
}

.feature-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature-table div {
  display: grid;
  grid-template-columns: 0.78fr 1fr 1.15fr;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.feature-table div:first-child {
  color: rgba(255, 255, 255, 0.86);
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.feature-table div:last-child {
  border-bottom: 0;
}

.feature-table b {
  color: var(--navy);
}

.cta {
  color: #fff;
  background: var(--deep);
}

.cta .section-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.cta h2 {
  color: #fff;
}

.cta p {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.7;
}

footer {
  padding: 28px clamp(18px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.62);
  background: #07111f;
  font-size: 13px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav {
    display: none;
  }

  .split,
  .card-grid,
  .feature-table div,
  .cta .section-inner {
    grid-template-columns: 1fr;
  }
}
