/* ===== wwwnew7 — 플래그십: 정제된 네이비 + 일렉트릭 블루 ===== */
:root{
  --navy-900:#0a2540;
  --navy-800:#0d2c4d;
  --navy-700:#13325b;
  --blue:#3b82f6;
  --blue-600:#2563eb;
  --blue-light:#eff4ff;
  --ink:#0f172a;
  --gray-700:#334155;
  --gray-500:#64748b;
  --gray-300:#cbd5e1;
  --gray-100:#f1f5f9;
  --gray-50:#f7f9fc;
  --white:#ffffff;
  --line:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(10,37,64,.04),0 8px 24px rgba(10,37,64,.06);
  --shadow-lg:0 20px 50px rgba(10,37,64,.14);
  --wrap:1140px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(10,37,64,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:1.05rem;color:var(--navy-900)}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:1.05rem;
}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:8px 12px;border-radius:8px;font-size:.94rem;font-weight:600;color:var(--gray-700);transition:background .15s,color .15s}
.nav a:hover{background:var(--gray-100);color:var(--navy-900)}
.nav .nav-cta{background:var(--navy-900);color:#fff;margin-left:6px;padding:9px 16px}
.nav .nav-cta:hover{background:var(--blue-600);color:#fff}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px}
.hamburger span{width:24px;height:2px;background:var(--navy-900);border-radius:2px;transition:.25s}

/* ===== Buttons ===== */
.btn{display:inline-block;font-weight:700;font-size:.98rem;padding:13px 26px;border-radius:999px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(59,130,246,.32)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-light{background:#fff;color:var(--navy-900);border:1.5px solid var(--line)}
.btn-light:hover{border-color:var(--blue);color:var(--blue-600)}

/* ===== Hero ===== */
.hero{
  background:
    radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.25),transparent 60%),
    radial-gradient(900px 500px at 10% 110%,rgba(59,130,246,.14),transparent 60%),
    linear-gradient(160deg,var(--navy-900),var(--navy-700));
  color:#fff;padding:84px 0 0;position:relative;overflow:hidden;
}
.hero-inner{max-width:880px;text-align:center;margin:0 auto;padding-bottom:64px}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700;color:#93c5fd;margin-bottom:18px}
.hero h1{font-size:clamp(2.1rem,5.4vw,3.7rem);font-weight:800}
.hero .grad{background:linear-gradient(90deg,#bfdbfe,#60a5fa);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:22px auto 0;max-width:620px;font-size:clamp(1.02rem,2vw,1.2rem);color:#cbd9ee}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}

.trust-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);overflow:hidden;
  transform:translateY(40px);max-width:980px;margin:0 auto;
  box-shadow:var(--shadow-lg);
}
.trust-item{background:rgba(13,44,77,.72);backdrop-filter:blur(4px);padding:26px 16px;text-align:center}
.trust-item strong{display:block;font-size:clamp(1.3rem,2.6vw,1.85rem);font-weight:800;color:#fff}
.trust-item span{display:block;margin-top:6px;font-size:.86rem;color:#9fb6d6}

/* ===== Section base ===== */
.section{padding:96px 0}
.section:first-of-type{padding-top:120px}
.section-alt{background:var(--gray-50)}
.section-head{max-width:680px;margin:0 auto 54px;text-align:center}
.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:800;color:var(--blue-600);margin-bottom:14px}
.kicker.light{color:#93c5fd}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800;color:var(--navy-900)}
.lead{margin-top:14px;color:var(--gray-500);font-size:1.06rem}
.lead.light{color:#cbd9ee}

/* ===== Services ===== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .2s ease,border-color .2s ease}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d8f5}
.svc h3{font-size:1.25rem;color:var(--navy-900);margin-bottom:10px}
.svc p{color:var(--gray-500);font-size:.97rem}
.svc-ic{font-size:1.7rem;margin-bottom:12px}
.svc-feature{
  grid-column:span 3;
  display:flex;flex-direction:column;align-items:flex-start;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  color:#fff;border:0;position:relative;padding:40px;
}
.svc-feature:hover{box-shadow:var(--shadow-lg)}
.svc-feature h3{color:#fff;font-size:1.7rem;margin:14px 0 12px}
.svc-feature p{color:#cbd9ee;max-width:680px;font-size:1.05rem}
.svc-tag{display:inline-block;background:var(--blue);color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.06em;padding:6px 12px;border-radius:999px;text-transform:uppercase}
.svc-go{margin-top:18px;font-weight:700;color:#93c5fd}
.svc-feature:hover .svc-go{color:#fff}

/* ===== Solutions ===== */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sol{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .2s,transform .18s}
.sol:hover{border-color:var(--blue);transform:translateY(-3px)}
.sol h3{font-size:1.18rem;color:var(--navy-900);margin-bottom:10px;padding-bottom:10px;border-bottom:2px solid var(--blue-light)}
.sol p{color:var(--gray-500);font-size:.96rem;min-height:auto}
.sol-cta{display:inline-block;margin-top:14px;font-weight:700;color:var(--blue-600);font-size:.94rem}
.sol-cta:hover{text-decoration:underline}

/* ===== Platform features ===== */
.feat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.feat{text-align:center;padding:26px 16px;border-radius:var(--radius-sm);transition:background .2s}
.feat:hover{background:var(--gray-50)}
.feat-ic{font-size:1.9rem;margin-bottom:10px}
.feat h3{font-size:1.05rem;color:var(--navy-900);margin-bottom:8px}
.feat p{color:var(--gray-500);font-size:.9rem}

/* ===== Data / B2B ===== */
.data-section{background:linear-gradient(135deg,var(--navy-900),var(--navy-800));color:#fff}
.data-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.data-text .kicker{color:#93c5fd}
.data-text h2{font-size:clamp(1.7rem,3.4vw,2.4rem);color:#fff;margin-bottom:16px}
.data-text>p{color:#cbd9ee;font-size:1.05rem}
.data-list{margin:20px 0 28px;display:grid;gap:10px}
.data-list li{padding-left:28px;position:relative;color:#dbe7f8}
.data-list li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.data-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-lg)}
.dc-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#cbd9ee;font-size:.95rem}
.dc-row b{color:#fff;font-size:1.05rem}
.dc-bar{height:8px;background:rgba(255,255,255,.1);border-radius:999px;margin-top:14px;overflow:hidden}
.dc-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),#60a5fa);border-radius:999px}

/* ===== News ===== */
.news-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.news-list a{display:flex;align-items:center;gap:20px;padding:18px 8px;border-bottom:1px solid var(--line);transition:background .15s,padding .15s}
.news-list a:hover{background:#fff;padding-left:16px}
.n-year{flex:0 0 auto;font-weight:800;color:var(--blue-600);font-size:.92rem;width:46px}
.n-title{color:var(--gray-700);font-weight:500}
.news-list a:hover .n-title{color:var(--navy-900)}
.news-note{max-width:860px;margin:22px auto 0;color:var(--gray-500);font-size:.88rem;text-align:center}
.news-more{text-align:center;margin-top:18px}
.news-more a{font-weight:700;color:var(--blue-600)}
.news-more a:hover{text-decoration:underline}

/* ===== Contact ===== */
.contact-section{background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#fff}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:980px;margin:0 auto}
.contact-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:30px;text-align:center}
.contact-card h3{font-size:1.15rem;color:#fff;margin-bottom:8px}
.contact-card p{color:#9fb6d6;font-size:.92rem;margin-bottom:18px}
.contact-card .btn{width:100%}
.company-overview{text-align:center;margin-top:40px;color:#9fb6d6;font-size:.92rem;line-height:1.9}
.company-overview strong{color:#fff}

/* ===== Footer ===== */
.site-footer{background:#06182b;color:#9fb6d6;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-tag{font-size:.92rem;max-width:260px}
.footer-col h3{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin-bottom:14px}
.footer-col li{padding:5px 0;font-size:.9rem}
.footer-col a:hover{color:var(--blue);text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}
.footer-bottom a:hover{color:var(--blue)}

.error-section{padding:140px 0}

/* ===== Responsive ===== */
@media (max-width:960px){
  .feat-grid{grid-template-columns:repeat(3,1fr)}
  .data-inner{grid-template-columns:1fr;gap:32px}
}
@media (max-width:820px){
  .hamburger{display:flex}
  .nav{
    position:absolute;top:66px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 18px;
    box-shadow:0 16px 30px rgba(10,37,64,.12);
    display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:13px 10px;border-radius:8px}
  .nav .nav-cta{margin:8px 0 0;text-align:center}
  .service-grid,.sol-grid,.contact-grid{grid-template-columns:1fr}
  .svc-feature{grid-column:span 1}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .section{padding:64px 0}
  .section:first-of-type{padding-top:88px}
  .trust-band{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding-top:60px}
}

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