:root {
  --ink: #161a1d;
  --muted: #657078;
  --line: #dbe2e6;
  --paper: #f7f4ef;
  --surface: #ffffff;
  --accent: #0f766e;
  --accent-dark: #0b4f4a;
  --gold: #b98b2f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: #fff;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 32px);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.34) 52%, rgba(0, 0, 0, 0.12)),
    linear-gradient(to top, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0) 45%);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 40px));
  margin: 0 clamp(20px, 7vw, 96px) clamp(56px, 12vh, 120px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 82px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 800;
}

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

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(56px, 9vw, 104px) 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(280px, 1.15fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.intro p:last-child,
.contact p {
  color: var(--muted);
  font-size: 19px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.service-card span {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--accent);
  font-weight: 800;
}

.service-card p,
.steps span {
  color: var(--muted);
}

.process {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.steps li {
  display: grid;
  gap: 10px;
  min-height: 150px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.steps li:last-child {
  border-right: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 420px);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
}

.contact-panel {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 8px;
  background: var(--accent-dark);
  color: #fff;
}

.contact-panel a {
  display: block;
  padding: 16px 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: #fff;
  background: var(--ink);
  font-size: 13px;
}

@media (max-width: 760px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding: 16px 20px;
  }

  .brand span:last-child {
    display: none;
  }

  .nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    margin-bottom: 48px;
  }

  .intro,
  .service-grid,
  .steps,
  .contact {
    grid-template-columns: 1fr;
  }

  .steps li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .steps li:last-child {
    border-bottom: 0;
  }

  .footer {
    flex-direction: column;
  }
}