:root {
  --bg-top: #f4f6f7;
  --bg-bottom: #e9edf0;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(16, 20, 24, 0.1);
  --line-strong: rgba(16, 20, 24, 0.16);
  --text: #15181b;
  --muted: #66707a;
  --accent: #111418;
  --shadow: 0 18px 40px rgba(17, 24, 32, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  font-family: "SUIT Variable", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  line-height: 1.55;
  word-break: keep-all;
}

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

.shell {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.masthead {
  padding: 8px 0 34px;
}

.topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.42);
}

.hero {
  padding: 64px 0 12px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 620;
}

.hero-copy {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.stack {
  display: grid;
  gap: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.service-panel {
  padding: 28px 30px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2,
.info-block h2 {
  margin: 0;
  font-size: 1.04rem;
  font-weight: 600;
}

.section-head p,
.info-block p,
.service-copy p,
.footnote {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.service-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-strong);
}

.service-copy strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  font-weight: 600;
}

.service-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.service-actions span {
  color: var(--muted);
  font-size: 0.88rem;
}

.service-actions a {
  padding: 11px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #f5f7f8;
  font-size: 0.88rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.info-block {
  padding: 28px 30px;
}

.info-block + .info-block {
  border-left: 1px solid var(--line);
}

.info-block ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.info-block li + li {
  margin-top: 8px;
}

.footnote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 2px 0;
}

@media (max-width: 760px) {
  .topline,
  .section-head,
  .service-line,
  .footnote {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-actions {
    width: 100%;
    justify-content: space-between;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-block + .info-block {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 24px, 1040px);
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav a,
  .service-actions a {
    text-align: center;
  }

  .service-panel,
  .info-block {
    padding: 22px 20px;
  }

  .service-actions {
    flex-direction: column;
    align-items: stretch;
  }
}