:root {
  --ink: #0d1117;
  --muted: #667085;
  --line: #e7e9f0;
  --a1: #3b6cff;
  --a2: #8b5cf6;
  --pad: clamp(24px, 6vw, 80px);
}

* { box-sizing: border-box; margin: 0; }

body {
  color: var(--ink);
  background: #fbfcff;
  font-family: "Pretendard", "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

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

/* soft backdrop: dotted grid + two gradient washes */
.bg {
  position: absolute;
  inset: 0 0 auto 0;
  height: 980px;
  z-index: -1;
  background:
    radial-gradient(600px 420px at 82% 18%, rgba(139, 92, 246, .14), transparent 70%),
    radial-gradient(700px 500px at 12% 0%, rgba(59, 108, 255, .12), transparent 70%),
    radial-gradient(circle, rgba(15, 23, 42, .07) 1px, transparent 1.2px) 0 0 / 22px 22px;
  -webkit-mask-image: linear-gradient(#000 55%, transparent);
  mask-image: linear-gradient(#000 55%, transparent);
}

/* header */
.bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px var(--pad);
  max-width: 1360px;
  margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -0.3px; }
nav { display: flex; align-items: center; gap: 28px; font-size: 15px; color: #344054; }
nav a:not(.btn):hover { color: var(--ink); }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(100deg, var(--a1), var(--a2));
  box-shadow: 0 10px 24px -10px rgba(59, 108, 255, .7);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -10px rgba(59, 108, 255, .8); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; color: #fff !important; }
.btn-ghost {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px -8px rgba(15, 23, 42, .25);
}

/* hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 40px;
  max-width: 1360px;
  margin: 0 auto;
  padding: 48px var(--pad) 40px;
  min-height: 640px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  font-size: 13px;
  color: #475467;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(var(--a1), var(--a2)); }
.hero h1 {
  margin-top: 24px;
  font-size: clamp(44px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--a1), var(--a2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub { margin-top: 22px; font-size: 20px; font-weight: 500; color: #344054; }
.sub span { display: block; margin-top: 4px; font-size: 15px; font-weight: 400; color: var(--muted); }
.actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-art img { width: 100%; height: auto; display: block; }

/* platform strip */
.platforms {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  padding: 26px var(--pad);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #98a2b3;
}
.platforms i { width: 5px; height: 5px; border-radius: 50%; background: #d0d5dd; }

/* service cards */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1360px;
  margin: 0 auto;
  padding: 88px var(--pad);
}
.card {
  position: relative;
  padding: 34px 30px 32px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 18px 40px -28px rgba(30, 58, 138, .35);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, .12), transparent 70%);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 26px 50px -28px rgba(30, 58, 138, .45); }
.icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--a1), var(--a2));
  box-shadow: 0 10px 20px -10px rgba(59, 108, 255, .8);
}
.card h3 { margin-top: 26px; font-size: 21px; letter-spacing: -0.02em; }
.card p { margin-top: 8px; font-size: 15px; color: #475467; }
.card p span { display: block; margin-top: 2px; font-size: 14px; color: var(--muted); }

/* company */
.company {
  max-width: 1360px;
  margin: 0 auto 72px;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
}
.company-head h2 { font-size: 34px; letter-spacing: -0.03em; }
.company-head p { margin-top: 6px; color: var(--muted); }
.company dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
  padding: 10px 32px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
}
.company dl > div { padding: 22px 0; border-bottom: 1px solid var(--line); }
.company dl > div.wide { grid-column: span 2; border-bottom: 0; }
.company dt { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.company dt span { text-transform: none; letter-spacing: 0; font-weight: 400; margin-left: 6px; }
.company dd { font-size: 16px; line-height: 1.55; }
.company dd a { border-bottom: 1px solid var(--line); }
.company dd a:hover { border-color: var(--a1); }
.company small { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }

/* footer */
footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 28px max(var(--pad), calc((100% - 1360px) / 2 + var(--pad))) 36px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  background: #fff;
}
footer a:hover { color: var(--ink); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 24px; }
  .hero-art { max-width: 560px; }
  .services { grid-template-columns: 1fr; padding: 56px var(--pad); }
  .company { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 560px) {
  nav a:not(.btn) { display: none; }
  .company dl { grid-template-columns: 1fr; padding: 4px 22px; }
  .company dl > div.wide { grid-column: span 1; }
  .platforms { gap: 14px; font-size: 13px; letter-spacing: .08em; }
}