/* =====================================================
   Databuilder Subpages - Deep Signal System
   ===================================================== */

:root{
  --navy:#1C3F4F;
  --navy-deep:#102A38;
  --navy-soft:#214E61;
  --teal:#028090;
  --teal-bright:#13A6B8;
  --bg:#F5F9FB;
  --bg-alt:#ECF4F7;
  --surface:#FFFFFF;
  --surface-soft:#F8FCFD;
  --line:#D8E7ED;
  --line-strong:#B7D3DB;
  --text:#122734;
  --muted:#607987;
  --muted-strong:#7A95A3;
  --white:#FFFFFF;
  --hero-text:#ECF8FB;
  --hero-muted:rgba(236,248,251,.74);
  --shadow-lg:0 30px 80px rgba(16,42,56,.16);
  --shadow-md:0 18px 44px rgba(28,63,79,.10);
  --shadow-sm:0 10px 26px rgba(17,48,63,.08);
  --radius-sm:14px;
  --radius-md:22px;
  --radius-lg:32px;
  --radius-pill:999px;
  --container:1180px;
}

*, *::before, *::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Pretendard","Inter",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  word-break:keep-all;
  overflow-wrap:normal;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
p,h1,h2,h3,h4{margin:0;}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-outline-sm:focus-visible,
.gnb > ul > li > a:focus-visible,
.gnb-trigger:focus-visible,
.gnb-dropdown a:focus-visible,
.mobile-product-panel a:focus-visible,
.footer-link:focus-visible{
  outline:3px solid #7DE7F2;
  outline-offset:4px;
  border-radius:18px;
  box-shadow:0 0 0 8px rgba(125,231,242,.18);
}
.gnb > ul > li > a:focus-visible,
.gnb-trigger:focus-visible{
  background:rgba(255,255,255,.08);
  color:var(--white);
}
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-outline-sm:focus-visible{
  transform:translateY(-1px);
}

.container{
  width:min(var(--container),calc(100% - 40px));
  margin:0 auto;
}

.eyebrow,
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(2,128,144,.18);
  background:rgba(2,128,144,.08);
  color:var(--teal);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.eyebrow::before,
.section-eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 6px rgba(2,128,144,.14);
}

.section-shell{padding:88px 0;position:relative;}
.section-header{margin-bottom:28px;}
.section-title{
  margin:18px 0 0;
  font-size:clamp(32px,4vw,54px);
  line-height:1.12;
  letter-spacing:-.04em;
  font-weight:800;
}
.section-subtitle{
  margin-top:14px;
  max-width:760px;
  color:var(--muted);
  font-size:17px;
}

.btn,
.btn-primary,
.btn-ghost,
.btn-outline-sm{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:50px;
  padding:0 22px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--teal-bright),var(--teal));
  color:var(--white);
  box-shadow:0 16px 32px rgba(2,128,144,.22);
}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost,
.btn-outline-sm{
  background:rgba(255,255,255,.88);
  color:var(--text);
  border-color:rgba(216,231,237,.92);
}
.btn-ghost:hover,
.btn-outline-sm:hover{
  transform:translateY(-2px);
  border-color:rgba(2,128,144,.28);
}

/* Header */
.site-header{
  position:sticky;
  top:18px;
  z-index:1000;
  margin:0 auto;
  width:min(calc(100% - 28px),1160px);
  padding:10px 12px 10px 18px;
  display:flex;
  align-items:center;
  gap:18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.08);
  background:rgba(16,42,56,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 16px 36px rgba(4,18,25,.18);
  margin-top:18px;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  width:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.logo-icon{
  width:auto;
  height:38px;
  flex-shrink:0;
}
.logo-wordmark{
  display:flex;
  flex-direction:column;
  gap:0;
  line-height:1;
}
.logo-wordmark strong{
  color:var(--white);
  font-family:"Inter","Pretendard",sans-serif;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.06em;
}
.logo-wordmark span{
  color:rgba(184,237,243,.74);
  font-family:"Inter","Pretendard",sans-serif;
  font-size:10px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.gnb{margin-left:auto;}
.gnb ul{
  display:flex;
  align-items:center;
  gap:4px;
}
.gnb > ul > li > a,
.gnb-trigger{
  padding:10px 14px;
  border-radius:var(--radius-pill);
  color:rgba(236,248,251,.76);
  font-size:14px;
  font-weight:500;
}
.gnb li{position:relative;}
.gnb-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.gnb-trigger::after{
  content:"";
  width:7px;
  height:7px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  opacity:.8;
}
.gnb > ul > li > a:hover,
.gnb > ul > li > a.nav-active,
.gnb-trigger:hover,
.gnb li:hover > .gnb-trigger,
.gnb li:focus-within > .gnb-trigger{
  color:var(--white);
  background:rgba(255,255,255,.06);
}
.gnb-dropdown{
  position:absolute;
  top:calc(100% + 12px);
  left:0;
  width:300px;
  padding:14px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(16,42,56,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 24px 54px rgba(4,18,25,.28);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.gnb li:hover > .gnb-dropdown,
.gnb li:focus-within > .gnb-dropdown{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.gnb-dropdown a{
  display:block;
  padding:12px 14px;
  border-radius:18px;
}
.gnb-dropdown a strong{
  display:block;
  color:var(--white);
  font-size:15px;
  font-weight:700;
  letter-spacing:-.02em;
}
.gnb-dropdown a span{
  display:block;
  margin-top:4px;
  color:rgba(236,248,251,.66);
  font-size:12px;
  line-height:1.45;
}
.gnb-dropdown a:hover,
.gnb-dropdown a.nav-active{
  background:rgba(255,255,255,.06);
}
.gnb-dropdown-divider{
  height:1px;
  margin:10px 0 8px;
  background:rgba(255,255,255,.08);
}
.gnb-dropdown-overview{
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:#D7FBFF !important;
  font-size:13px !important;
  font-weight:700 !important;
  background:rgba(2,128,144,.12);
}
.gnb-dropdown-overview:hover{
  background:rgba(2,128,144,.2) !important;
}
.site-header .btn-outline-sm{
  min-height:42px;
  padding:0 18px;
  background:linear-gradient(135deg,var(--teal-bright),var(--teal));
  border:none;
  color:var(--white);
  box-shadow:0 12px 26px rgba(2,128,144,.24);
}
.mobile-product-nav{
  display:none;
  margin-left:auto;
}
.mobile-product-nav details{position:relative;}
.mobile-product-nav summary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:42px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  color:var(--white);
  font-size:14px;
  font-weight:700;
  list-style:none;
  cursor:pointer;
}
.mobile-product-nav summary::-webkit-details-marker{display:none;}
.mobile-product-nav summary::after{
  content:"";
  width:7px;
  height:7px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
}
.mobile-product-nav details[open] summary::after{
  transform:rotate(-135deg) translateY(-1px);
}
.mobile-product-panel{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:min(320px,calc(100vw - 40px));
  padding:14px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(16,42,56,.96);
  box-shadow:0 24px 54px rgba(4,18,25,.28);
}
.mobile-product-panel a{
  display:block;
  padding:12px 14px;
  border-radius:18px;
  color:var(--white);
  font-size:14px;
  font-weight:700;
}
.mobile-product-panel a small{
  display:block;
  margin-top:4px;
  color:rgba(236,248,251,.66);
  font-size:12px;
  font-weight:500;
}
.mobile-product-panel a:hover,
.mobile-product-panel a.nav-active{
  background:rgba(255,255,255,.06);
}
.hamburger{display:none;}

/* Hero */
.page-hero,
.product-hero{
  position:relative;
  overflow:hidden;
  padding:90px 0 74px;
  margin-top:-88px;
  background:
    radial-gradient(circle at 15% 18%, rgba(19,166,184,.18), transparent 28%),
    radial-gradient(circle at 84% 22%, rgba(2,128,144,.18), transparent 22%),
    linear-gradient(160deg,#0E2430 0%,#143646 46%,#1C3F4F 100%);
  color:var(--hero-text);
}
.page-hero::before,
.product-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 90%);
}
.page-hero > .container,
.product-hero > .container{position:relative;z-index:1;}
.page-hero-title,
.product-hero-title{
  margin-top:24px;
  font-size:clamp(42px,5vw,78px);
  line-height:1.04;
  letter-spacing:-.05em;
  font-weight:800;
}
.page-hero-desc,
.product-hero-desc{
  margin-top:18px;
  max-width:740px;
  color:var(--hero-muted);
  font-size:18px;
}
.product-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,.62fr);
  gap:28px;
  align-items:end;
}
.product-hero-side{
  padding:24px;
  border-radius:28px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow-lg);
}
.product-hero-side strong{
  display:block;
  margin-bottom:8px;
  font-size:14px;
  color:#C9F9FF;
}
.product-hero-side p{
  color:rgba(236,248,251,.76);
  font-size:14px;
}
.product-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.1);
  color:#D7FBFF;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.product-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:#6CE1EF;
}
.product-hero-tagline{
  margin-top:14px;
  font-size:24px;
  font-weight:700;
  letter-spacing:-.03em;
}

/* Content blocks */
.content-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(280px,.72fr);
  gap:24px;
}
.panel{
  padding:28px;
  border-radius:30px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(183,211,219,.46);
  box-shadow:var(--shadow-sm);
}
.panel-dark{
  padding:28px;
  border-radius:30px;
  background:linear-gradient(180deg,#173849,#21485B);
  color:var(--white);
  box-shadow:var(--shadow-lg);
}
.panel-dark p{color:rgba(236,248,251,.76);}
.lead{
  font-size:18px;
  color:var(--muted);
}

.stats-grid,
.philosophy-grid,
.problem-grid,
.features-grid,
.usecase-list,
.contact-grid,
.proof-grid{
  display:grid;
  gap:18px;
}
.stats-grid,
.problem-grid,
.philosophy-grid,
.features-grid,
.usecase-list,
.proof-grid{
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.stat-card,
.philosophy-card,
.problem-card,
.feature-item,
.usecase-item,
.contact-method,
.proof-card{
  padding:24px;
  border-radius:26px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(183,211,219,.42);
  box-shadow:var(--shadow-sm);
}
.stat-card{
  background:linear-gradient(180deg,#173849,#21485B);
  color:var(--white);
}
.stat-value{
  font-family:"Inter","Pretendard",sans-serif;
  font-size:34px;
  font-weight:800;
  letter-spacing:-.04em;
}
.stat-label{margin-top:6px;color:rgba(236,248,251,.74);}
.problem-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  margin-bottom:16px;
  border-radius:50%;
  background:rgba(2,128,144,.1);
  color:var(--teal);
  font-size:12px;
  font-weight:800;
}
.philosophy-card h3,
.problem-card h3,
.feature-item h3,
.usecase-item h3,
.proof-card h3,
.contact-info-title,
.contact-cta-box-title{
  margin-bottom:10px;
  font-size:22px;
  line-height:1.2;
  letter-spacing:-.03em;
}
.philosophy-card p,
.problem-card p,
.feature-item p,
.usecase-item p,
.proof-card p,
.contact-info-desc,
.contact-method-value{
  color:var(--muted);
  font-size:19px;
}
.footer-address,
.footer-copy{
  color:var(--muted);
  font-size:15px;
}

.about-body{font-size:17px;color:var(--muted);margin-top:16px;}
.ceo-card,
.contact-cta-box{
  padding:28px;
  border-radius:30px;
  background:linear-gradient(180deg,#173849,#21485B);
  color:var(--white);
  box-shadow:var(--shadow-lg);
}
.contact-cta-box{
  display:flex;
  flex-direction:column;
}
.contact-cta-box .cta-actions{
  margin-top:auto;
  padding-top:24px;
}
.ceo-name{margin:16px 0 14px;font-size:34px;letter-spacing:-.04em;}
.ceo-career{display:grid;gap:12px;}
.ceo-career li,
.contact-cta-list li{
  position:relative;
  padding-left:18px;
  color:rgba(236,248,251,.8);
}
.ceo-career li::before,
.contact-cta-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:#6CE1EF;
}

.contact-inner,
.about-mission-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(300px,.75fr);
  gap:24px;
}
.contact-methods{display:grid;gap:16px;margin-top:24px;}
.contact-method{
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.contact-method-icon{
  width:44px;
  height:44px;
  border-radius:16px;
  background:#ECF7F8;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.contact-method-label{
  margin-bottom:4px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted-strong);
}
.contact-cta-list{display:grid;gap:12px;margin-top:18px;}

.cta{
  padding:96px 0 104px;
  background:var(--bg);
}
.cta-inner{
  position:relative;
  overflow:hidden;
  padding:34px;
  border-radius:36px;
  background:
    radial-gradient(circle at 84% 18%, rgba(19,166,184,.20), transparent 20%),
    linear-gradient(135deg,#173949,#23495B 48%, #102A38 100%);
  color:var(--white);
  box-shadow:var(--shadow-lg);
}
.cta-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.42;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-title{
  font-size:clamp(32px,4vw,52px);
  line-height:1.08;
  letter-spacing:-.04em;
  font-weight:800;
}
.cta-desc{
  margin-top:14px;
  max-width:640px;
  color:rgba(236,248,251,.78);
  font-size:17px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.cta .btn-ghost{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.16);
  color:var(--white);
}

/* Footer */
.site-footer{
  padding:30px 0 38px;
  background:#0F2230;
}
.footer-inner{
  display:flex;
  align-items:center;
  gap:10px 14px;
  flex-wrap:wrap;
}
.footer-brand{
  display:flex;
  align-items:center;
  flex-shrink:0;
}
.footer-right{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:6px;
  margin-left:auto;
}
.footer-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:flex-end;
}
.footer-brand > div{
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-logo-icon{height:38px;}
.about-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(240px,.5fr);
  gap:28px;
  align-items:center;
}
.footer-logo-mark{
  display:flex;
  flex-direction:column;
  gap:0;
  line-height:1;
}
.footer-logo-mark strong{
  font-size:19px;
  color:var(--white);
  font-family:"Inter","Pretendard",sans-serif;
  font-weight:800;
  letter-spacing:-.06em;
}
.footer-logo-mark span{
  color:rgba(184,237,243,.62);
  font-family:"Inter","Pretendard",sans-serif;
  font-size:10px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.footer-address,
.footer-link,
.footer-copy{
  font-size:12px;
  color:rgba(236,248,251,.58);
}
.footer-address,
.footer-copy{
  margin:0;
  white-space:normal;
}
.footer-link{white-space:nowrap;}
.footer-copy{
  text-align:right;
  flex:0 0 auto;
}
.footer-link:hover{color:rgba(236,248,251,.92);}

@media (max-width: 960px){
  .site-header{
    width:calc(100% - 20px);
    padding:10px 12px;
  }
  .gnb{display:none;}
  .mobile-product-nav{display:block;}
  .about-mission-inner,
  .about-hero-inner,
  .contact-inner,
  .content-grid,
  .product-hero-inner{
    grid-template-columns:1fr;
  }
  .stats-grid,
  .philosophy-grid,
  .problem-grid,
  .features-grid,
  .usecase-list,
  .proof-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 640px){
  .container{width:min(var(--container),calc(100% - 28px));}
  .site-header{
    top:10px;
    flex-wrap:wrap;
  }
  .header-inner{
    flex-wrap:wrap;
    gap:10px;
  }
  .logo-wordmark strong{font-size:18px;}
  .logo-wordmark span{font-size:9px;}
  .mobile-product-nav{
    order:3;
    width:100%;
    margin-left:0;
  }
  .mobile-product-nav summary{
    width:100%;
    justify-content:center;
  }
  .mobile-product-panel{
    position:relative;
    top:8px;
    right:auto;
    width:100%;
  }
  .site-header .btn-outline-sm{
    min-height:40px;
    padding:0 16px;
  }
  .page-hero,
  .product-hero{padding:84px 0 66px;}
  .section-shell{padding:66px 0;}
  .section-title{font-size:34px;}
  .page-hero-title,
  .product-hero-title{font-size:42px;}
  .stats-grid,
  .philosophy-grid,
  .problem-grid,
  .features-grid,
  .usecase-list,
  .proof-grid{
    grid-template-columns:1fr;
  }
  .cta{padding:76px 0 84px;}
  .cta-inner{padding:24px;}
  .cta-actions .btn,
  .cta-actions .btn-primary,
  .cta-actions .btn-ghost{
    width:100%;
  }
  .footer-inner,
  .footer-brand{
    align-items:flex-start;
  }
  .footer-inner{
    gap:12px;
  }
  .footer-right{
    margin-left:0;
    align-items:flex-start;
  }
  .footer-nav{
    justify-content:flex-start;
  }
  .footer-brand > div{
    display:flex;
    align-items:center;
    gap:8px;
  }
  .footer-copy{
    white-space:normal;
    text-align:left;
  }
  .footer-address{
    white-space:normal;
  }
  .footer-link{white-space:normal;}
  .philosophy-card p,
  .problem-card p,
  .feature-item p,
  .usecase-item p,
  .proof-card p,
  .contact-info-desc,
  .contact-method-value{
    font-size:17px;
  }
}

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