:root {
  --primary-50:  #eef4ff;
  --primary-100: #dce9ff;
  --primary-300: #80b3ff;
  --primary:     #0055ff;
  --primary-700: #0044cc;
  --primary-900: #002aa6;

  --white: #ffffff;
  --gray-50:  #f9f9f9;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-300: #cccccc;
  --gray-400: #aaaaaa;
  --gray-500: #888888;
  --gray-600: #666666;
  --gray-700: #4d4d4d;
  --gray-800: #333333;
  --gray-900: #1a1a1a;
  --black: #222222;

  --grad-header:  linear-gradient(135deg, var(--primary-700) 0%, #1a1f3d 100%);
  --grad-primary: linear-gradient(135deg, #2b80ff 0%, var(--primary) 100%);

  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.875rem;

  --shadow-soft:   0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-blue:   0 4px 12px rgba(0, 85, 255, 0.25);
  --shadow-strong: 0 8px 20px rgba(0, 0, 0, 0.15);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont,
               system-ui, Roboto, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul, li { list-style: none; }
img, svg { display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--primary); text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800; line-height: 1.3; color: var(--gray-900);
  letter-spacing: -0.02em;
}
.section-desc {
  margin-top: 16px; font-size: 1.05rem; color: var(--gray-600);
  max-width: 640px; line-height: 1.75;
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes floaty  { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(24px,-28px) scale(1.08); } }
@keyframes floaty2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-28px,22px) scale(1.12); } }
@keyframes gradShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes pulseDot {
  0%   { box-shadow: 0 0 0 0 rgba(61,220,151,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(61,220,151,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); }
}
@keyframes bob { 0%,100% { transform: translateX(0); } 50% { transform: translateX(6px); } }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes spinSlow { to { transform: rotate(360deg); } }
@keyframes bgPan { 0% { background-position: 0 0; } 100% { background-position: 0 -1400px; } }

.reveal {
  opacity: 0; transform: translateY(42px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  will-change: opacity, transform;
}
.reveal.r-left  { transform: translateX(-52px); }
.reveal.r-right { transform: translateX(52px); }
.reveal.r-zoom  { transform: scale(.9); }
.reveal.in { opacity: 1; transform: none; }

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, #2b80ff, #8bb8ff);
  z-index: 100; transition: width .12s linear;
}

header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: background .3s ease, box-shadow .3s ease;
}
header.nav.scrolled { background: rgba(255,255,255,0.92); box-shadow: 0 6px 24px rgba(0,0,0,0.06); }
.nav-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.brand .mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--primary-50);
  display: grid; place-items: center;
  transition: transform .4s var(--ease);
}
.brand:hover .mark { transform: rotate(-8deg) scale(1.08); }
.brand .mark svg { height: 20px; width: auto; }
.brand .ko { color: var(--gray-500); font-weight: 600; font-size: 0.95rem; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { position: relative; color: var(--gray-700); font-weight: 600; font-size: 0.95rem; transition: color .15s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--primary); transition: width .28s var(--ease);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 10px 18px;
  border-radius: var(--radius-xl); font-size: 0.9rem; box-shadow: var(--shadow-blue);
  transition: background .15s, transform .15s, box-shadow .15s;
}
.nav-cta:hover { background: var(--primary-700); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,85,255,.35); }

.hero {
  position: relative; overflow: hidden; color: #fff;
  padding: 120px 0 134px;
  background: linear-gradient(135deg, #0044cc 0%, #1a1f3d 45%, #0a2d72 100%);
  background-size: 220% 220%;
  animation: gradShift 16s ease infinite;
}
.hero .blob {
  position: absolute; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(2px);
}
.hero .blob.b1 {
  right: -120px; top: -120px; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(43,128,255,.5) 0%, rgba(43,128,255,0) 70%);
  animation: floaty 13s ease-in-out infinite;
}
.hero .blob.b2 {
  left: -140px; bottom: -160px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(139,184,255,.32) 0%, rgba(139,184,255,0) 70%);
  animation: floaty2 17s ease-in-out infinite;
}
.hero .wrap { position: relative; z-index: 1; }

.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  padding: 7px 14px; border-radius: var(--radius-xl);
  font-size: 0.85rem; font-weight: 600; margin-bottom: 26px;
}
.hero .badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #3ddc97; animation: pulseDot 2.2s ease-out infinite; }
.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem); font-weight: 900; line-height: 1.2;
  letter-spacing: -0.03em; max-width: 20ch;
}
.hero h1 .accent {
  background: linear-gradient(90deg, #8bb8ff, #ffffff, #8bb8ff);
  background-size: 200% auto; -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shimmer 5s linear infinite;
}
.hero p.lead {
  margin-top: 22px; font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.82); max-width: 54ch; font-weight: 400; line-height: 1.75;
}
.hero-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 28px; border-radius: var(--radius-xl);
  font-weight: 700; font-size: 1rem; transition: transform .18s var(--ease), background .15s, box-shadow .18s;
}
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { animation: bob .7s ease-in-out infinite; }
.btn-primary { background: #fff; color: var(--primary-900); box-shadow: var(--shadow-strong); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0,0,0,.25); }
.btn-ghost { background: rgba(255,255,255,0.10); color: #fff; border: 1px solid rgba(255,255,255,0.28); }
.btn-ghost:hover { background: rgba(255,255,255,0.20); transform: translateY(-3px); }

.hero-stats {
  margin-top: 66px; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; max-width: 620px;
}
.hero-stats .stat .num { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 900; letter-spacing: -0.02em; }
.hero-stats .stat .label { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-top: 4px; }

.hero-up { opacity: 0; animation: fadeUp .95s var(--ease) both; }

section.block { padding: 96px 0; }
.block.alt { background: var(--gray-50); }
.center-head { text-align: center; margin-bottom: 56px; }
.center-head .section-desc { margin-left: auto; margin-right: auto; }

.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.value-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.vcard {
  background: #fff; border: 1px solid var(--gray-100); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.vcard:hover { transform: translateY(-7px); box-shadow: var(--shadow-strong); border-color: var(--primary-100); }
.vcard .ic {
  width: 44px; height: 44px; border-radius: 12px; background: var(--primary-50);
  color: var(--primary); display: grid; place-items: center; margin-bottom: 14px;
  transition: transform .35s var(--ease), background .25s;
}
.vcard:hover .ic { transform: scale(1.12) rotate(-6deg); background: var(--primary-100); }
.vcard h4 { font-size: 1.05rem; font-weight: 800; color: var(--gray-900); }
.vcard p { margin-top: 6px; font-size: 0.92rem; color: var(--gray-600); }

.product { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.product-card {
  background: linear-gradient(135deg, #0044cc 0%, #1a1f3d 100%);
  background-size: 180% 180%; animation: gradShift 18s ease infinite;
  border-radius: var(--radius-lg); color: #fff;
  padding: 40px; box-shadow: var(--shadow-strong); position: relative; overflow: hidden;
  transition: transform .3s var(--ease);
}
.product-card:hover { transform: translateY(-6px); }
.product-card .blob {
  content: ""; position: absolute; left: -80px; bottom: -100px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,128,255,.5) 0%, rgba(43,128,255,0) 70%);
  animation: floaty 12s ease-in-out infinite;
}
.product-card .pc-inner { position: relative; z-index: 1; }
.product-card .logo {
  display: inline-flex; align-items: center; gap: 10px; font-size: 1.6rem; font-weight: 900;
  letter-spacing: -0.02em; margin-bottom: 18px;
}
.product-card .logo .sym {
  width: 44px; height: 44px; border-radius: 11px; background: #fff;
  display: grid; place-items: center;
}
.product-card .logo .sym svg { height: 26px; width: auto; }
.product-card p { color: rgba(255,255,255,0.85); font-size: 0.98rem; line-height: 1.7; }
.product-card .tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.product-card .tag {
  font-size: 0.78rem; font-weight: 600; padding: 6px 12px; border-radius: 50px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  transition: background .2s, transform .2s;
}
.product-card .tag:hover { background: rgba(255,255,255,0.24); transform: translateY(-2px); }
.product-card .visit {
  margin-top: 28px; display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--primary-900); padding: 12px 22px; border-radius: var(--radius-xl);
  font-weight: 700; font-size: 0.95rem; transition: transform .18s var(--ease), box-shadow .18s;
}
.product-card .visit:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(0,0,0,.3); }

.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.feat { display: flex; gap: 14px; transition: transform .25s var(--ease); }
.feat:hover { transform: translateY(-4px); }
.feat .fic {
  flex: none; width: 42px; height: 42px; border-radius: 12px;
  background: var(--primary-50); color: var(--primary); display: grid; place-items: center;
  transition: transform .35s var(--ease), background .25s;
}
.feat:hover .fic { transform: scale(1.12) rotate(6deg); background: var(--primary-100); }
.feat h4 { font-size: 1rem; font-weight: 800; color: var(--gray-900); }
.feat p { font-size: 0.9rem; color: var(--gray-600); margin-top: 3px; }

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.contact-info { display: grid; gap: 4px; }
.crow {
  display: flex; align-items: center; gap: 16px; padding: 18px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: transform .25s var(--ease);
}
.crow:hover { transform: translateX(6px); }
.crow:last-child { border-bottom: none; }
.crow .cic {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary-50); color: var(--primary); display: grid; place-items: center;
  transition: transform .35s var(--ease), background .25s;
}
.crow:hover .cic { transform: scale(1.1); background: var(--primary-100); }
.crow .ctext .k { font-size: 0.8rem; color: var(--gray-500); font-weight: 600; }
.crow .ctext .v { font-size: 1.02rem; color: var(--gray-900); font-weight: 700; }
.crow .ctext .v a:hover { color: var(--primary); }

.map-card {
  background: var(--primary-50); border-radius: var(--radius-lg); padding: 40px;
  border: 1px solid var(--primary-100); transition: transform .3s var(--ease), box-shadow .3s;
}
.map-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); }
.map-card h3 { font-size: 1.3rem; font-weight: 800; color: var(--gray-900); }
.map-card p { margin-top: 10px; color: var(--gray-600); line-height: 1.7; }
.map-card .cta-row { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn-solid { background: var(--primary); color: #fff; box-shadow: var(--shadow-blue); }
.btn-solid:hover { background: var(--primary-700); transform: translateY(-3px); box-shadow: 0 12px 26px rgba(0,85,255,.35); }

footer { background: #14182b; color: rgba(255,255,255,0.7); padding: 54px 0 40px; }
.foot-top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 1.15rem; }
.foot-brand .mark { width: 30px; height: 30px; border-radius: 8px; background: #fff; display: grid; place-items: center; }
.foot-brand .mark svg { height: 19px; width: auto; }
.foot-meta { font-size: 0.88rem; line-height: 1.9; }
.foot-meta a:hover { color: #fff; }
.foot-bottom {
  margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem; color: rgba(255,255,255,0.5);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .hero-up { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 900px) {
  .company-grid, .product, .contact { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; }
  .hero { padding: 84px 0 92px; }
  section.block { padding: 68px 0; }
}
@media (max-width: 560px) {
  .value-cards, .feat-list { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 18px; max-width: none; }
  .product-card, .map-card { padding: 28px; }
}
