:root {
  color-scheme: light;
  --ink: #0B2D5B;
  --teal: #0756BF;
  --deep: #0B2D5B;
  --muted: #465873;
  --line: #E5E7EB;
  --wash: #F3F7FD;
  font-family: Inter, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid #1677FF; outline-offset: 4px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.24; letter-spacing: -.055em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; top: 8px; left: 8px; z-index: 5; background: #fff; padding: 10px; transform: translateY(-150%); }
.skip:focus { transform: none; }
.header { border-bottom: 1px solid var(--line); }
.nav, .footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-weight: 800; letter-spacing: -.04em; text-decoration: none; font-size: 1.2rem; }
.wordmark span { color: #1677FF; }
.mark { width: 28px; height: 31px; object-fit: contain; }
nav { display: flex; align-items: center; gap: clamp(12px, 2.6vw, 30px); }
nav a, .footer > a:last-child { text-decoration: none; font-size: .92rem; font-weight: 650; }
nav a:hover, .footer a:hover { color: var(--teal); text-decoration: underline; }
.nav-contact { padding: 6px 14px; border: 1px solid var(--line); border-radius: 99px; }
.hero { background: #F8FAFE; border-bottom: 1px solid var(--line); padding-block: clamp(48px, 7vw, 94px); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(24px, 6vw, 76px); align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--teal); font-size: .78rem; font-weight: 800; letter-spacing: .09em; margin-bottom: 14px; }
.eyebrow i { width: 8px; aspect-ratio: 1; border-radius: 50%; background: currentColor; }
.hero-name { display: flex; flex-wrap: wrap; align-items: baseline; gap: .15em .38em; font-size: clamp(2rem, 4.8vw, 3.85rem); }
.brand-ko { font-size: .78rem; font-weight: 650; }
.hero-tagline { margin-top: 14px; font-size: clamp(2rem, 4.2vw, 3.55rem); font-weight: 750; line-height: 1.24; letter-spacing: -.055em; }
.hero-tagline em { font-style: normal; color: var(--teal); }
.intro, .body-copy { color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); line-height: 1.85; }
.intro { margin-top: 22px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.button { display: inline-flex; align-items: center; gap: 14px; padding: 11px 17px; border: 1px solid #C7D5E9; border-radius: 7px; text-decoration: none; font-weight: 750; font-size: .91rem; }
.button:hover { background: #E8F2FF; }
.primary { background: var(--deep); color: #fff; border-color: var(--deep); }
.primary:hover { background: var(--teal); }
.hero-art { display: grid; place-items: center; aspect-ratio: 1.13; border: 1px solid var(--line); border-radius: 15px; background: radial-gradient(ellipse at center, #fff 15%, #EDF5FF 100%); }
.hero-art img { width: min(47%, 201px); max-height: 72%; height: auto; object-fit: contain; }
.section { padding-block: clamp(44px, 7vw, 90px); border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: .9fr 1fr; gap: 32px; align-items: start; }
.tinted { background: var(--wash); }
.grid { display: grid; gap: 14px; margin-top: 28px; }
.services { grid-template-columns: repeat(4, 1fr); }
.services article { padding: 23px; background: white; border: 1px solid var(--line); border-radius: 10px; }
.services article > span { color: var(--teal); font-size: 1.5rem; display: block; margin-bottom: 16px; }
.services p, .muted { color: var(--muted); margin-top: 12px; }
.entries { border-top: 1px solid var(--line); }
.entries a { display: flex; justify-content: space-between; gap: 16px; align-items: center; text-decoration: none; border-bottom: 1px solid var(--line); padding: 16px 6px; }
.entries a:hover { color: var(--teal); text-decoration: underline; }
.entries small { display: block; color: var(--teal); margin-bottom: 4px; }
#lab { background: var(--wash); }
.lab-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; background: var(--deep); color: white; border-radius: 15px; padding: clamp(24px, 5vw, 58px); }
.lab-panel p { max-width: 55ch; margin-top: 10px; color: #DBEAFE; }
.lab-panel .eyebrow { margin-top: 0; }
.lab-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.light { background: #E7F8FA; color: var(--deep); }
.lab-graphic { font-size: clamp(5rem, 13vw, 11rem); color: #14C8B5; line-height: 1; }
details { border: 1px solid var(--line); border-radius: 7px; margin-top: 12px; padding: 11px 16px; }
summary { cursor: pointer; font-weight: 700; }
details ul { margin-bottom: 0; padding-left: 22px; }
footer { background: #F8FAFE; }
.reading { max-width: 710px; padding-block: clamp(40px, 7vw, 88px); }
.reading h1 { font-size: clamp(2.15rem, 6vw, 3.65rem); margin-bottom: 20px; }
.reading h2 { font-size: 1.5rem; margin-top: 28px; margin-bottom: 8px; }
.reading p { margin-bottom: 14px; }
.reading .back { display: inline-block; margin-bottom: 26px; color: var(--teal); }
.checklist { display: grid; gap: 10px; padding: 0; list-style: none; }
.checklist label { display: flex; gap: 10px; align-items: baseline; border: 1px solid var(--line); border-radius: 7px; padding: 12px; cursor: pointer; }
.checklist input { accent-color: var(--teal); }
@media (max-width: 850px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }
  .nav { align-items: start; flex-direction: column; gap: 5px; padding-block: 10px; }
  nav { width: 100%; justify-content: space-between; gap: 6px; }
  nav a { padding-block: 7px; }
  .hero-grid, .split, .lab-panel { grid-template-columns: 1fr; }
  .hero-art { aspect-ratio: 1.65; }
  .desktop, .lab-graphic { display: none; }
  .services article { padding: 15px; }
}
@media (max-width: 350px) { .services { grid-template-columns: 1fr; } }