*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f1115;
  --bg2:#141820;
  --card:#1a1f2b;
  --card2:#1e2535;
  --muted:#9aa3b5;
  --muted2:#c8d0e0;
  --line:rgba(255,255,255,.08);
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.45), 0 1px 0 rgba(255,255,255,.06) inset;
  --shadow2:0 18px 44px rgba(0,0,0,.55), 0 1px 0 rgba(255,255,255,.07) inset;
}
html,body{height:100%}
html{scrollbar-gutter:stable}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Pretendard","Noto Sans KR","Segoe UI",Roboto,sans-serif;
  font-weight:400;
  background:
    radial-gradient(1100px 520px at 18% 0%, rgba(120,90,255,.10), transparent 55%),
    radial-gradient(900px 480px at 88% 8%, rgba(56,189,248,.08), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  color:#eef2f8;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}

.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:28px 20px 36px;
  padding-left:max(20px, env(safe-area-inset-left));
  padding-right:max(20px, env(safe-area-inset-right));
}

.hero{
  text-align:center;
  padding:34px 16px 18px;
}
.hero__icon{
  width:64px;height:64px;
  display:grid;place-items:center;
  margin:0 auto 14px;
  font-size:30px;
  background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
}
.hero__title{
  font-size:36px;
  font-weight:400;
  letter-spacing:-.04em;
  line-height:1.15;
}
.hero__sub{
  margin-top:8px;
  font-size:15px;
  font-weight:400;
  letter-spacing:.06em;
  color:var(--muted);
}
.hero__desc{
  margin:14px auto 0;
  max-width:560px;
  font-size:17px;
  font-weight:400;
  color:var(--muted2);
  opacity:.92;
}

.grid{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:18px;
}

.card{
  background:linear-gradient(180deg, var(--card2), var(--card));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow2);
  border-color:rgba(255,255,255,.12);
}
.card:focus-within{outline:2px solid rgba(255,255,255,.16); outline-offset:2px}
.card__top{height:6px}
.card__body{
  padding:20px 20px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  min-height:210px;
}
.card__icon{
  width:54px;height:54px;
  display:grid;place-items:center;
  border-radius:14px;
  font-size:26px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.08);
}
.card__name{
  font-size:22px;
  font-weight:400;
  letter-spacing:-.03em;
  line-height:1.2;
  margin-top:2px;
}
.card__desc{
  font-size:16px;
  font-weight:400;
  color:var(--muted);
  line-height:1.5;
}
.btn{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  font-size:16px;
  font-weight:400;
  letter-spacing:-.01em;
  color:#0f1115;
  background:#eef2f8;
  border:1px solid rgba(255,255,255,.10);
  transition:background .16s ease, transform .16s ease, filter .16s ease;
}
.btn:hover{background:#ffffff; filter:brightness(1.02)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid rgba(255,255,255,.35); outline-offset:2px}

.card--blender .card__top{background:#F5792A}
.card--blender .card__icon{background:rgba(245,121,42,.14); border-color:rgba(245,121,42,.22)}
.card--blender:hover{border-color:rgba(245,121,42,.22)}
.card--blender .btn{background:#F5792A; color:#1a1108; border-color:rgba(245,121,42,.35)}
.card--blender .btn:hover{background:#ff8a3d}

.card--freecad .card__top{background:#CB3837}
.card--freecad .card__icon{background:rgba(203,56,55,.14); border-color:rgba(203,56,55,.22)}
.card--freecad:hover{border-color:rgba(203,56,55,.22)}
.card--freecad .btn{background:#CB3837; color:#fff; border-color:rgba(203,56,55,.35)}
.card--freecad .btn:hover{background:#d94a49}

.card--inkscape .card__top{background:linear-gradient(90deg, #0f1115 0%, #1ad1a3 100%)}
.card--inkscape .card__icon{background:rgba(26,209,163,.12); border-color:rgba(26,209,163,.22)}
.card--inkscape:hover{border-color:rgba(26,209,163,.22)}
.card--inkscape .btn{background:#0f1115; color:#cffff2; border-color:rgba(26,209,163,.30)}
.card--inkscape .btn:hover{background:#171c1a; border-color:rgba(26,209,163,.45)}

.card--nukki .card__top{background:#8b5cf6}
.card--nukki .card__icon{background:rgba(139,92,246,.14); border-color:rgba(139,92,246,.22)}
.card--nukki:hover{border-color:rgba(139,92,246,.22)}
.card--nukki .btn{background:#8b5cf6; color:#fff; border-color:rgba(139,92,246,.35)}
.card--nukki .btn:hover{background:#9a72ff}

.card--viewer .card__top{background:#3b82f6}
.card--viewer .card__icon{background:rgba(59,130,246,.14); border-color:rgba(59,130,246,.22)}
.card--viewer:hover{border-color:rgba(59,130,246,.22)}
.card--viewer .btn{background:#3b82f6; color:#fff; border-color:rgba(59,130,246,.35)}
.card--viewer .btn:hover{background:#4f91ff}

.card--gimp .card__top{background:#5c6b73}
.card--gimp .card__icon{background:rgba(92,107,115,.16); border-color:rgba(92,107,115,.26)}
.card--gimp:hover{border-color:rgba(92,107,115,.26)}
.card--gimp .btn{background:#5c6b73; color:#fff; border-color:rgba(92,107,115,.35)}
.card--gimp .btn:hover{background:#6a7a84}

.foot{
  margin-top:22px;
  text-align:center;
  font-size:13px;
  font-weight:400;
  color:rgba(154,163,181,.9);
  letter-spacing:.02em;
}
.foot span{color:#eef2f8}

@media (max-width: 980px){
  .grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .hero__title{font-size:32px}
}
@media (max-width: 600px){
  .wrap{padding-left:0; padding-right:0}
  .hero{padding:22px 14px 10px}
  .hero__icon{width:56px;height:56px;font-size:26px;border-radius:16px}
  .hero__title{font-size:28px}
  .hero__sub{font-size:13px}
  .hero__desc{font-size:15px; padding:0 8px}
  .grid{grid-template-columns:1fr; gap:14px; margin-top:18px; padding:0}
  .card{border-radius:0; border-left:0; border-right:0}
  .card:hover{transform:none}
  .card__body{min-height:0; padding:18px 16px 16px}
  .card__name{font-size:21px}
  .foot{padding:0 14px}
}
@media (max-width: 380px){
  .hero__title{font-size:26px}
  .card__body{padding:16px 14px 14px}
}
@media (prefers-reduced-motion: reduce){
  .card,.btn{transition:none}
}