:root{
  --primary:#2563eb;
  --secondary:#0ea5e9;
  --accent:#7c3aed;
  --bg:#f6f9ff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#dbe7f5;
  --shadow:0 24px 70px rgba(15,23,42,.10);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR",sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(37,99,235,.15), transparent 28%),
    radial-gradient(circle at 90% 8%, rgba(14,165,233,.14), transparent 30%),
    linear-gradient(135deg,#f8fbff,#eef4ff);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(37,99,235,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.045) 1px, transparent 1px);
  background-size:36px 36px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.58), transparent 72%);
}

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

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid rgba(219,231,245,.86);
  background:linear-gradient(180deg,rgba(248,251,255,.92),rgba(241,247,255,.86));
  backdrop-filter:blur(18px);
  box-shadow:0 16px 45px rgba(15,23,42,.06);
}

.site-header::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,99,235,.24),rgba(14,165,233,.18),transparent);
}

.nav{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  padding:12px 22px;
  min-height:104px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}

.logo{
  display:flex;
  align-items:center;
  flex:0 0 auto;
  padding:0;
  border-radius:16px;
  background:#061b43;
  border:1px solid rgba(219,231,245,.72);
  box-shadow:0 18px 42px rgba(15,23,42,.08);
  line-height:0;
  overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease;
}

.logo:hover{
  transform:translateY(-2px);
  box-shadow:0 22px 54px rgba(15,23,42,.12);
}

.logo-img-wrap{
  width:260px;
  height:70px;
  display:block;
  overflow:visible;
  border-radius:16px;
  background:#061b43;
  line-height:0;
}

.logo-img{
  width:260px;
  height:70px;
  display:block;
  object-fit:contain;
  object-position:center center;
  image-rendering:auto;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px;
  border:1px solid rgba(219,231,245,.78);
  border-radius:999px;
  background:rgba(255,255,255,.58);
  box-shadow:0 14px 38px rgba(15,23,42,.06);
  backdrop-filter:blur(12px);
  color:#334155;
  font-size:14px;
  font-weight:900;
}

.nav-links a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 13px;
  border-radius:999px;
  transition:color .2s ease, background .2s ease, transform .2s ease;
}

.nav-link-with-icon{
  gap:6px;
}

.nav-cap-icon{
  width:35px;
  height:35px;
  display:inline-block;
  object-fit:contain;
  flex:0 0 24px;
  transform:translateY(1px);
}

.nav-links a:hover{
  color:#1d4ed8;
  background:rgba(37,99,235,.08);
  transform:translateY(-1px);
}

.nav-portfolio{
  padding:0 18px!important;
  background:linear-gradient(135deg,#111827,#0f172a);
  color:#fff!important;
  box-shadow:0 12px 26px rgba(15,23,42,.22);
}

.nav-portfolio:hover{
  background:linear-gradient(135deg,#0f172a,#1d4ed8)!important;
  color:#fff!important;
}

.wrap{position:relative;z-index:1;max-width:none;margin:0;padding:0;}

.hero-shell{
  position:relative;
  overflow:hidden;
  padding:64px 22px 72px;
  border-bottom:1px solid rgba(219,231,245,.95);
  background:
    radial-gradient(circle at 12% 10%, rgba(37,99,235,.18), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(124,58,237,.14), transparent 32%),
    linear-gradient(135deg,#f8fbff 0%,#eef4ff 56%,#eaf7ff 100%);
}

.hero-shell::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:90px;
  pointer-events:none;
  background:linear-gradient(to bottom, rgba(246,249,255,0), #f6f9ff 72%);
}

.hero{
  position:relative;
  z-index:1;
  max-width:1180px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
  min-height:420px;
}

.hero > div:first-child{max-width:560px;}

.hero-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:20px;
  padding:8px 14px;
  border:1px solid rgba(37,99,235,.16);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  color:#1d4ed8;
  font-size:13px;
  font-weight:900;
  box-shadow:0 10px 30px rgba(37,99,235,.08);
  backdrop-filter:blur(10px);
}

h1{
  margin:0;
  font-size:clamp(48px,6vw,84px);
  line-height:1.04;
  font-weight:950;
  letter-spacing:-.065em;
}

.gradient-text{
  background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero-desc{
  max-width:700px;
  margin:10px 0 0;
  color:var(--muted);
  font-size:18px;
  line-height:1.4;
  word-break:keep-all;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 20px;
  border-radius:15px;
  font-size:15px;
  font-weight:900;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  color:#fff;
  box-shadow:0 16px 36px rgba(37,99,235,.28);
}

.btn:hover{transform:translateY(-3px);}

.hero-card{
  position:relative;
  width:100%;
  max-width:620px;
  min-height:360px;
  margin-left:auto;
  padding:20px;
  overflow:hidden;
  border:1px solid rgba(219,231,245,.92);
  border-radius:34px;
  background:rgba(255,255,255,.72);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}

.hero-card::before{
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(37,99,235,.12);
}

.code-window{
  position:relative;
  z-index:1;
  min-height:190px;
  overflow:hidden;
  border-radius:22px;
  background:#0b1220;
  color:#dbeafe;
  text-align:left;
  box-shadow:0 20px 45px rgba(15,23,42,.18);
}

.window-top{display:flex;gap:5px;padding:10px 12px;background:#111827;}
.dot{width:11px;height:11px;border-radius:50%;background:#ef4444;}
.dot:nth-child(2){background:#f59e0b;}
.dot:nth-child(3){background:#22c55e;}

.code-window pre{margin:0;padding:20px;font-size:13px;line-height:1.65;overflow:auto;}

.content-shell{
  position:relative;
  z-index:1;
  max-width:1120px;
  margin:0 auto;
  padding:66px 22px 56px;
}

.content-shell::before{
  content:"";
  display:block;
  width:76px;
  height:5px;
  margin:0 auto 60px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  box-shadow:0 10px 26px rgba(37,99,235,.18);
}

.section{margin-top:72px;}
.content-shell .section:first-child{margin-top:0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}

.section-title{margin:0;font-size:32px;letter-spacing:-.045em;}
.section-desc{margin:8px 0 0;color:var(--muted);font-size:15px;line-height:1.7;}

.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}

.about-card,
.lms-section{
  padding:34px;
  border:1px solid rgba(219,231,245,.95);
  border-radius:30px;
  background:rgba(255,255,255,.78);
  box-shadow:0 18px 50px rgba(15,23,42,.07);
  backdrop-filter:blur(12px);
}

.about-card h3,.lms-section h3{margin:0 0 14px;font-size:24px;letter-spacing:-.035em;}
.about-card p,.lms-section p{margin:0;color:var(--muted);line-height:1.8;word-break:keep-all;}

.capability-grid{display:grid;grid-template-columns:1fr 64px 1fr 1fr;gap:22px;align-items:stretch;}

.plus-bridge{
  align-self:center;
  justify-self:center;
  width:92px;
  height:92px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#fff;
  border:1px solid #dbeafe;
  color:#2563eb;
  font-size:34px;
  font-weight:900;
  box-shadow:0 14px 32px rgba(37,99,235,.16);
}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}

.card{
  position:relative;
  overflow:hidden;
  padding:30px 28px;
  border:1px solid rgba(219,231,245,.9);
  border-radius:24px;
  background:rgba(255,255,255,.86);
  box-shadow:0 16px 45px rgba(37,99,235,.08);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  backdrop-filter:blur(10px);
}

.card::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:112px;
  height:112px;
  border-radius:50%;
  background:rgba(37,99,235,.08);
}

.card:hover{
  transform:translateY(-7px);
  border-color:rgba(37,99,235,.22);
  box-shadow:var(--shadow);
}

.card h3{position:relative;z-index:1;margin:0 0 10px;font-size:20px;letter-spacing:-.03em;}
.card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:15px;line-height:1.75;word-break:keep-all;}

.card-link{
  position:relative;
  z-index:1;
  display:inline-flex;
  margin-top:18px;
  color:#1d4ed8;
  font-size:14px;
  font-weight:900;
}

.challenge-section{
  position:relative;
  padding:44px 34px;
  border:1px solid rgba(219,231,245,.95);
  border-radius:34px;
  background:
    radial-gradient(circle at 10% 0%, rgba(124,58,237,.12), transparent 28%),
    radial-gradient(circle at 90% 10%, rgba(14,165,233,.12), transparent 30%),
    rgba(255,255,255,.56);
  box-shadow:0 24px 70px rgba(15,23,42,.08);
}

.challenge-title,.challenge-card h3{color:#4c1d95;}
.challenge-card{background:rgba(255,255,255,.92);}

.philosophy{
  margin:14px 0 18px;
  padding-left:14px;
  border-left:4px solid #7c3aed;
  color:#6d28d9;
  font-size:15px;
  font-weight:700;
  line-height:1.6;
  font-style:italic;
}

.challenge-copy{margin:8px 0 18px;color:#2563eb;font-size:15px;font-weight:800;letter-spacing:-.02em;}

.lms-section{text-align:center;}
.lms-section p{max-width:640px;margin:0 auto;font-size:15px;line-height:1.75;}
.lms-section .btn{margin-top:20px;}

.footer{
  margin-top:84px;
  padding-top:26px;
  border-top:1px solid rgba(219,231,245,.85);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  color:#64748b;
  font-size:13px;
}

.footer-links{display:flex;gap:12px;font-weight:800;}

.quick-menu{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:100;
  display:grid;
  gap:10px;
}

.quick-menu a{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 16px;
  border-radius:999px;
  background:linear-gradient(90deg,#111827,#2563eb);
  color:#fff;
  font-weight:900;
  font-size:14px;
  box-shadow:0 16px 38px rgba(15,23,42,.32);
  transition:transform .2s ease, box-shadow .2s ease;
}

.quick-menu a.secondary{background:rgba(255,255,255,.9);color:#111827;border:1px solid var(--line);}
.quick-menu a:hover{transform:translateY(-3px);box-shadow:0 20px 48px rgba(15,23,42,.40);}

@media(max-width:920px){
  .nav{min-height:82px;}
  .nav-links{display:none;}
  .logo-img-wrap{width:270px;height:60px;}
  .logo-img{width:270px;height:60px;}
  .hero,.about-grid,.capability-grid,.grid{grid-template-columns:1fr;}
  .hero{gap:36px;text-align:left;min-height:auto;}
  .hero > div:first-child{max-width:100%;}
  .hero-card{max-width:100%;margin:0;min-height:auto;}
  .plus-bridge{margin:4px auto;}
  .footer{flex-direction:column;align-items:flex-start;}
  .hero-shell{padding:58px 18px 72px;}
  .content-shell{padding:48px 18px 44px;}
  .content-shell::before{margin-bottom:44px;}
}

@media(max-width:640px){
  .nav{padding:8px 14px;min-height:76px;}
  .logo{border-radius:14px;}
  .logo-img-wrap{width:240px;height:52px;border-radius:14px;}
  .logo-img{width:240px;height:52px;}
  .hero-shell{padding:42px 18px 54px;}
  .content-shell{padding:38px 16px 42px;}
  h1{font-size:clamp(42px,14vw,58px);line-height:1.05;letter-spacing:-.06em;}
  .hero-label{font-size:12px;padding:7px 12px;margin-bottom:16px;}
  .hero-desc{font-size:16px;line-height:1.65;margin-top:18px;}
  .btn{width:100%;padding:14px 16px;}
  .hero-card{padding:16px;border-radius:24px;}
  .code-window{border-radius:18px;}
  .code-window pre{padding:16px;font-size:11px;line-height:1.55;white-space:pre-wrap;word-break:break-word;}
  .section{margin-top:54px;}
  .section-head{display:block;}
  .about-card,.lms-section,.card{padding:24px 20px;}
  .challenge-section{padding:30px 20px;border-radius:26px;}
  .plus-bridge{width:46px;height:46px;font-size:28px;margin:0 auto;}
  .quick-menu{right:16px;bottom:16px;}
  .quick-menu a{padding:11px 14px;font-size:13px;}
}
.nav-cap-icon{
    width:34px;
    transition:.25s ease;
    transform-origin:center bottom;
}

.nav-links a:hover .nav-cap-icon{
    transform:translateY(-4px) rotate(-12deg) scale(1.18);
}
.nav-links a:hover .nav-cap-icon{
    animation:paw .45s;
}

@keyframes paw{

0%{
transform:scale(1);
}

35%{
transform:translateY(2px) scale(.92);
}

70%{
transform:translateY(-5px) scale(1.18);
}

100%{
transform:scale(1);
}
}

.hero-label-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:20px;
}

.hero-label{
  margin-bottom:0;
}

.nav-cap-icon-banner{
  width:55px;
  height:55px;
  object-fit:contain;
  filter:drop-shadow(0 0 10px rgba(56,189,248,.45));
  animation:pawFloat 2.4s ease-in-out infinite;
}

@keyframes pawFloat{
  0%,100%{transform:translateY(0) rotate(-6deg);}
  50%{transform:translateY(-5px) rotate(-10deg);}
}
/* ===== Hero paw background ===== */
.hero-card-paw{
  position:relative;
  isolation:isolate;
}

.hero-card-paw::after{
  content:"";
  position:absolute;
  inset:18px;
  z-index:0;
  border-radius:28px;
  background:linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.08));
  opacity:.72;
  pointer-events:none;
}

.hero-paw-bg{
  position:absolute;
  right:-34px;
  bottom:-54px;
  z-index:0;
  width:310px;
  height:310px;
  object-fit:contain;
  opacity:.16;
  transform:rotate(-9deg);
  pointer-events:none;
  filter:drop-shadow(0 0 28px rgba(56,189,248,.30));
  transition:opacity .35s ease, transform .35s ease, filter .35s ease;
}

.hero-card-paw:hover .hero-paw-bg{
  opacity:.24;
  transform:translateY(-6px) rotate(-12deg) scale(1.04);
  filter:drop-shadow(0 0 34px rgba(56,189,248,.46));
}

.hero-card-paw .code-window{
  position:relative;
  z-index:1;
}

@media(max-width:920px){
  .hero-paw-bg{
    width:240px;
    height:240px;
    right:-26px;
    bottom:-44px;
  }
}

@media(max-width:640px){
  .hero-paw-bg{
    width:190px;
    height:190px;
    right:-30px;
    bottom:-34px;
    opacity:.12;
  }
}
.hero-card.hero-card-paw{
  position:relative;
  overflow:hidden;
}

.hero-paw-bg{
  position:absolute;
  right:-40px;
  bottom:-70px;
  width:420px;
  height:420px;
  object-fit:contain;
  opacity:.24;
  transform:rotate(-10deg);
  z-index:1;
  pointer-events:none;
  filter:drop-shadow(0 0 28px rgba(56,189,248,.35));
}

.code-window{
  position:relative;
  z-index:2;
}
.hero-card{
    position:absolute;
    right:-40px;
    top:10px;

    width:760px;
    height:500px;

    opacity:.12;

    transform:rotate(-6deg);

    z-index:10;

    background:none;
    border:none;
    box-shadow:none;
}
.code-window{
    transform:rotate(-3deg);
    opacity:.55;
}
.hero-paw-bg{

    position:absolute;

    right:40px;
    bottom:-70px;

    width:420px;
    height:auto;

    opacity:.20;

    transform:rotate(12deg);

    z-index:20;

    filter:
      drop-shadow(0 20px 35px rgba(37,99,235,.18));
}
.hero-shell:hover .hero-paw-bg{

    animation:pawStamp .6s ease;

}
@keyframes pawStamp{

0%{
transform:translateY(-25px) scale(.82) rotate(16deg);
opacity:0;
}

45%{
transform:translateY(8px) scale(1.18) rotate(10deg);
opacity:.30;
}

70%{
transform:translateY(-4px) scale(.96);
}

100%{
transform:translateY(0) scale(1) rotate(12deg);
opacity:.20;
}

}
.hero-card{
  opacity:.95;
}

.hero-paw-bg{
  opacity:.90;
}

/* =========================================================
   MOBILE RESPONSIVE FIX - Hero area
   기존 하단 중복 .hero-card absolute 스타일을 덮어쓰기 위한 최종 오버라이드
   ========================================================= */
.hero{
  position:relative;
}

.hero-card{
  position:relative;
  right:auto;
  top:auto;
  width:100%;
  max-width:620px;
  height:auto;
  min-height:360px;
  margin-left:auto;
  padding:20px;
  opacity:1;
  transform:none;
  z-index:1;
  overflow:hidden;
  border:1px solid rgba(219,231,245,.92);
  border-radius:34px;
  background:rgba(255,255,255,.72);
  box-shadow:var(--shadow);
}

.code-window{
  transform:none;
  opacity:1;
}

.hero-paw-bg{
  right:-28px;
  bottom:-58px;
  width:340px;
  height:340px;
  opacity:.18;
  transform:rotate(-10deg);
  z-index:1;
}

@media(max-width:920px){
  .site-header{
    position:sticky;
  }

  .nav{
    min-height:72px;
    padding:10px 16px;
    justify-content:center;
  }

  .logo-img-wrap,
  .logo-img{
    width:230px;
    height:54px;
  }

  .hero-shell{
    padding:36px 18px 46px;
  }

  .hero{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:start;
    text-align:left;
  }

  .hero > div:first-child{
    max-width:100%;
  }

  .hero-label-row{
    gap:8px;
    margin-bottom:14px;
  }

  .nav-cap-icon-banner{
    width:42px;
    height:42px;
  }

  h1{
    max-width:720px;
    font-size:clamp(40px,10vw,64px);
    line-height:1.06;
    letter-spacing:-.055em;
  }

  .hero-desc{
    max-width:100%;
    margin-top:16px;
    font-size:16px;
    line-height:1.62;
  }

  .hero-actions{
    margin-top:22px;
  }

  .hero-card{
    width:100%;
    max-width:100%;
    min-height:auto;
    margin:0;
    padding:16px;
    border-radius:26px;
  }

  .code-window{
    min-height:auto;
    border-radius:18px;
  }

  .code-window pre{
    padding:16px;
    font-size:12px;
    line-height:1.55;
    white-space:pre-wrap;
    word-break:break-word;
  }

  .hero-paw-bg{
    width:210px;
    height:210px;
    right:-34px;
    bottom:-42px;
    opacity:.12;
  }
}

@media(max-width:640px){
  .nav{
    min-height:66px;
    padding:8px 12px;
  }

  .logo-img-wrap,
  .logo-img{
    width:210px;
    height:48px;
  }

  .hero-shell{
    padding:30px 16px 40px;
  }

  .hero{
    gap:24px;
  }

  .hero-label-row{
    align-items:center;
    flex-wrap:nowrap;
  }

  .hero-label{
    font-size:11px;
    padding:7px 10px;
    white-space:nowrap;
  }

  .nav-cap-icon-banner{
    width:36px;
    height:36px;
  }

  h1{
    font-size:clamp(34px,12vw,48px);
    line-height:1.08;
    letter-spacing:-.05em;
  }

  .hero-desc{
    font-size:15px;
    line-height:1.62;
  }

  .btn{
    width:100%;
    min-height:48px;
  }

  .hero-card{
    padding:14px;
    border-radius:22px;
  }

  .window-top{
    padding:9px 10px;
  }

  .dot{
    width:9px;
    height:9px;
  }

  .code-window pre{
    padding:14px;
    font-size:10.5px;
    line-height:1.52;
  }

  .hero-paw-bg{
    width:160px;
    height:160px;
    right:-34px;
    bottom:-30px;
    opacity:.10;
  }
}

@media(max-width:380px){
  .logo-img-wrap,
  .logo-img{
    width:190px;
    height:44px;
  }

  .hero-label{
    font-size:10.5px;
    padding:6px 9px;
  }

  .nav-cap-icon-banner{
    width:32px;
    height:32px;
  }

  h1{
    font-size:34px;
  }

  .code-window pre{
    font-size:10px;
  }
}
.hero-card{
  transform:rotate(-4deg);
}

.code-window{
  transform:rotate(2deg);
}

@media(max-width:640px){
  .hero-card{
    transform:rotate(-2deg);
  }

  .code-window{
    transform:rotate(1.5deg);
  }
}
.hero-card{
  transform:rotate(-6deg);
}

.code-window{
  transform:rotate(3deg);
}
@media(max-width:640px){
  .hero-card{
    transform:rotate(-2.5deg);
  }

  .code-window{
    transform:rotate(-2deg);
  }
}