:root {
  color-scheme: light;
  --ink: #132238;
  --muted: #607089;
  --line: #dbe6f2;
  --paper: #ffffff;
  --wash: #f3f8fd;
  --navy: #102a46;
  --blue: #397ee8;
  --cyan: #63d8df;
  --mint: #a5efd5;
  --shadow: 0 22px 60px rgba(30, 70, 115, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% -10%, rgba(99, 216, 223, 0.25), transparent 29rem),
    radial-gradient(circle at 95% 4%, rgba(57, 126, 232, 0.16), transparent 31rem),
    var(--wash);
  font-family: Pretendard, "Noto Sans KR", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(219, 230, 242, 0.85);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; letter-spacing: 0.08em; }
.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border: 7px solid var(--blue);
  border-right-color: var(--cyan);
  border-radius: 50%;
  transform: rotate(-18deg);
  box-shadow: 0 0 0 4px rgba(57, 126, 232, 0.08);
}
.brand-mark::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  right: -9px;
  top: -4px;
  border-radius: 50%;
  background: var(--navy);
}

.nav { display: flex; align-items: center; gap: 26px; color: #42546c; font-size: 0.93rem; font-weight: 700; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); }

.hero { padding: 92px 0 74px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--blue); font-size: 0.82rem; font-weight: 900; letter-spacing: 0.15em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.18; letter-spacing: -0.035em; }
h1 { margin-bottom: 24px; font-size: clamp(2.7rem, 7vw, 5.2rem); }
h2 { margin-bottom: 14px; font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { margin-bottom: 9px; font-size: 1.25rem; }
.lead { max-width: 680px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--navy);
  border-radius: 14px;
  background: var(--navy);
  color: white;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(16, 42, 70, 0.16);
}
.button.secondary { border-color: var(--line); background: rgba(255,255,255,.75); color: var(--navy); box-shadow: none; }
.button:hover { transform: translateY(-1px); }

.orbit-card {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 42px;
  background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(222,241,250,.76));
  box-shadow: var(--shadow);
}
.orbit-card::before, .orbit-card::after { content: ""; position: absolute; border: 1px solid rgba(57,126,232,.2); border-radius: 50%; }
.orbit-card::before { width: 72%; height: 72%; transform: rotate(25deg) scaleY(.42); }
.orbit-card::after { width: 44%; height: 44%; transform: rotate(-32deg) scaleY(1.8); }
.cosmos-glyph { position: relative; z-index: 1; font-size: clamp(5rem, 15vw, 9rem); font-weight: 950; line-height: 1; color: var(--navy); letter-spacing: -.09em; }
.cosmos-glyph span { color: var(--blue); }
.planet-dot { position: absolute; z-index: 2; width: 24px; height: 24px; right: 16%; top: 22%; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 10px rgba(99,216,223,.18); }

.section { padding: 70px 0; }
.section-heading { max-width: 680px; margin-bottom: 30px; }
.section-heading p { margin: 0; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 10px 32px rgba(45, 78, 113, .06);
}
.card p { margin: 0; color: var(--muted); }
.card-icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 13px; background: #e8f5ff; color: var(--blue); font-size: 1.2rem; font-weight: 900; }

.product-card {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 36px;
  align-items: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.product-art { min-height: 220px; display: grid; place-items: center; padding: 24px; border-radius: 22px; background: radial-gradient(circle, #d8fbff, #dfeaff 72%, #edf4ff); overflow: hidden; }
.product-art img { width: min(190px, 100%); filter: drop-shadow(0 18px 24px rgba(20, 61, 112, .18)); }
.tag { display: inline-flex; padding: 6px 10px; margin-bottom: 14px; border-radius: 999px; background: #e8f5ff; color: #2367c9; font-size: .75rem; font-weight: 900; letter-spacing: .08em; }
.text-link { display: inline-flex; margin-top: 18px; color: var(--blue); font-weight: 900; }

.page-hero { padding: 68px 0 38px; }
.page-hero h1 { font-size: clamp(2.25rem, 5vw, 4.3rem); }
.content-card { max-width: 860px; padding: clamp(24px, 5vw, 48px); border: 1px solid var(--line); border-radius: 26px; background: var(--paper); box-shadow: var(--shadow); }
.content-card h2 { margin-top: 38px; font-size: 1.45rem; }
.content-card h2:first-child { margin-top: 0; }
.content-card p, .content-card li { color: #4e6178; }
.content-card a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.meta { color: var(--muted); font-size: .92rem; }
.contact-box { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #f6faff; }
.contact-box p { margin: 0; }

.site-footer { margin-top: 60px; border-top: 1px solid var(--line); background: rgba(255,255,255,.62); }
.footer-inner { min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-copy { color: var(--muted); font-size: .88rem; }
.footer-copy strong { color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: #50647c; font-size: .88rem; font-weight: 700; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1120px); }
  .site-header { position: static; }
  .header-inner { min-height: 64px; }
  .nav a:not(:last-child) { display: none; }
  .hero { padding-top: 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .orbit-card { max-width: 440px; width: 100%; margin-inline: auto; }
  .grid-3, .product-card { grid-template-columns: 1fr; }
  .product-art { min-height: 190px; }
  .footer-inner, .contact-box { align-items: flex-start; flex-direction: column; padding-block: 32px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }