@font-face {
  font-family: Pretendard;
  src: url("/assets/fonts/PretendardVariable-1.3.9.woff2") format("woff2");
  font-weight: 45 920;
  font-display: swap;
}

:root {
  color-scheme: light;
  --navy: #10213a;
  --lime: #b7f200;
  --ivory: #faf9f4;
  --muted: #637083;
  --line: #e3e7df;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--navy);
  font-family: Pretendard, system-ui, sans-serif;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  z-index: 5;
  top: 0;
  border-bottom: 1px solid rgb(227 231 223 / 80%);
  background: rgb(250 249 244 / 92%);
  backdrop-filter: blur(14px);
}
.site-header .wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand img { width: 172px; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; border-radius: 12px; font-size: 14px; font-weight: 750; text-decoration: none; }
.nav .primary { background: var(--navy); color: var(--white); }
.hero { padding: clamp(72px, 9vw, 120px) 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); align-items: center; gap: clamp(48px, 7vw, 92px); }
.eyebrow { margin: 0 0 14px; color: #536176; font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 720px; margin: 0; font-size: clamp(48px, 6.2vw, 78px); line-height: 1.01; letter-spacing: -.06em; }
.hero-copy { max-width: 620px; margin: 26px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); font-weight: 820; text-decoration: none; }
.button.primary { border-color: var(--navy); background: var(--navy); color: var(--white); }
.hero-art { overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: var(--white); box-shadow: 0 28px 80px rgb(16 33 58 / 12%); }
.hero-art img { width: 100%; }
.trust { margin: 18px 0 0; color: #7a8492; font-size: 13px; }
.section { padding: 88px 0; }
.section.alt { background: #f1f4ed; }
.section-heading { max-width: 720px; margin-bottom: 36px; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.08; letter-spacing: -.045em; }
.section-heading p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--white); }
.feature img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-bottom: 1px solid var(--line); }
.feature-copy { padding: 24px; }
.feature-copy span { color: #718096; font-size: 12px; font-weight: 850; letter-spacing: .1em; }
.feature-copy h3 { margin: 10px 0 8px; font-size: 23px; letter-spacing: -.025em; }
.feature-copy p { margin: 0; color: var(--muted); line-height: 1.65; }
.use-cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.use-case { min-height: 130px; padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.use-case strong { display: block; margin-bottom: 8px; font-size: 18px; }
.use-case p { margin: 0; color: var(--muted); line-height: 1.55; }
.closing { padding: 84px 0 96px; text-align: center; }
.closing h2 { margin: 0; font-size: clamp(36px, 5vw, 58px); letter-spacing: -.05em; }
.closing p { margin: 16px auto 0; color: var(--muted); font-size: 17px; }
.closing .actions { justify-content: center; }
.footer { border-top: 1px solid var(--line); padding: 30px 0 44px; color: #6d7887; font-size: 13px; }
.footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer a { text-decoration: none; }

@media (max-width: 820px) {
  .wrap { width: min(100% - 28px, 680px); }
  .site-header .wrap { min-height: 64px; }
  .brand img { width: 142px; }
  .nav a:not(.primary) { display: none; }
  .hero { padding: 54px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  h1 { font-size: clamp(40px, 11vw, 52px); }
  .hero-art { border-radius: 22px; }
  .section { padding: 64px 0; }
  .features, .use-cases { grid-template-columns: 1fr; }
  .feature { display: grid; grid-template-columns: minmax(130px, .82fr) minmax(0, 1.18fr); }
  .feature img { height: 100%; aspect-ratio: auto; border-right: 1px solid var(--line); border-bottom: 0; }
  .feature-copy { padding: 20px; }
  .footer .wrap { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 500px) {
  .actions { display: grid; }
  .button { width: 100%; }
  .feature { display: block; }
  .feature img { aspect-ratio: 16 / 10; border-right: 0; border-bottom: 1px solid var(--line); }
}