:root {
  --brand: #00897B;
  --brand-strong: #006B60;
  --brand-soft: #E6F5F3;
  --accent: #E65100;
  --accent-soft: #FFF3E0;
  --bg: #FAFAFA;
  --card: #FFFFFF;
  --border: #EEEEEE;
  --text: #212121;
  --text-2: #424242;
  --muted: #616161;
  --focus: #1565C0;
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #4DB6A8;
    --brand-strong: #80CBC1;
    --brand-soft: #12302C;
    --accent: #FFB74D;
    --accent-soft: #33260F;
    --bg: #121212;
    --card: #1E1E1E;
    --border: #393939;
    --text: #F5F5F5;
    --text-2: #E0E0E0;
    --muted: #BDBDBD;
    --focus: #90CAF9;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-2);
  font: 17px/1.75 "Pretendard Variable", Pretendard, "Noto Sans KR", system-ui, sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
h1, h2, h3 { color: var(--text); line-height: 1.3; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--brand-strong); text-underline-offset: 3px; }
@media (prefers-color-scheme: dark) { a { color: var(--brand); } }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: 16px; top: -60px; background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { top: 12px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.site { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.brand img { width: 32px; height: 32px; }
nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text-2); text-decoration: none; font-size: .95rem; }
nav a:hover { background: var(--brand-soft); color: var(--text); }
nav a.lang { border: 1px solid var(--border); }
@media (max-width: 640px) { nav li:not(.keep) { display: none; } }

.hero { padding: 96px 0 72px; }
.eyebrow { display: inline-block; font-weight: 700; font-size: .9rem; color: var(--brand-strong); background: var(--brand-soft); padding: 4px 12px; border-radius: 999px; margin-bottom: 20px; }
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--brand); } }
.hero p.lead { font-size: clamp(1.1rem, 2vw, 1.3rem); max-width: 720px; color: var(--text-2); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 2px solid var(--brand-strong); }
.btn.primary { background: var(--brand-strong); color: #fff; }
.btn.ghost { color: var(--brand-strong); background: transparent; }
@media (prefers-color-scheme: dark) {
  .btn { border-color: var(--brand); }
  .btn.primary { background: var(--brand); color: #0b1f1c; }
  .btn.ghost { color: var(--brand); }
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-top: 56px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.stat b { display: block; font-size: 1.8rem; color: var(--text); font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat span { color: var(--muted); font-size: .95rem; }

section { padding: 72px 0; border-top: 1px solid var(--border); scroll-margin-top: 64px; }
.section-lead { max-width: 720px; color: var(--muted); margin-bottom: 36px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.card.feature { border-top: 4px solid var(--brand); }
.card .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag { font-size: .8rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-strong); }
.tag.warm { background: var(--accent-soft); color: var(--accent); }
@media (prefers-color-scheme: dark) { .tag { color: var(--brand); } }
.card p { color: var(--text-2); }
.card .links { margin-top: auto; display: flex; gap: 16px; flex-wrap: wrap; font-weight: 600; font-size: .95rem; }
.card ul { padding-left: 1.2em; margin: 0 0 1em; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }
.quote { font-size: 1.25rem; font-weight: 700; color: var(--text); border-left: 4px solid var(--accent); padding-left: 18px; margin: 0 0 24px; }
.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { padding: 10px 0 10px 32px; position: relative; border-bottom: 1px solid var(--border); }
.list-check li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 14px; height: 8px; border-left: 3px solid var(--brand); border-bottom: 3px solid var(--brand); transform: rotate(-45deg); }

.contact { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; text-align: center; }
.contact a.mail { font-size: 1.4rem; font-weight: 800; }

footer { padding: 40px 0 56px; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }