:root {
  --bg: #06100e;
  --bg-2: #081715;
  --panel: rgba(12, 25, 21, 0.82);
  --panel-2: rgba(8, 17, 14, 0.92);
  --line: rgba(131, 236, 189, 0.14);
  --line-strong: rgba(131, 236, 189, 0.28);
  --text: #eef7f3;
  --muted: #9db4ab;
  --brand: #18be84;
  --brand-2: #7de8ba;
  --brand-3: #d7fff0;
  --warn: #f2c9a4;
  --danger: #ffc7a3;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, 'Noto Sans KR', system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 14%, rgba(24,190,132,0.18), transparent 24%),
    radial-gradient(circle at 84% 20%, rgba(125,232,186,0.10), transparent 28%),
    linear-gradient(180deg, #07100e 0%, #050a09 100%);
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.024) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .2;
  mask-image: radial-gradient(circle at center, black 44%, transparent 96%);
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100vw - 32px)); margin: 0 auto; }
.panel {
  background: linear-gradient(180deg, rgba(13,24,21,.92), rgba(8,16,14,.84));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent 26%);
  pointer-events: none;
}
.depth-1 { backdrop-filter: blur(18px); }
.depth-2 { backdrop-filter: blur(22px); }
.slim { min-height: 100%; }
.eyebrow {
  color: var(--brand-2);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--brand), #0b8e62);
  color: #05120d;
  box-shadow: 0 14px 34px rgba(24,190,132,.28);
}
.btn.ghost {
  background: rgba(255,255,255,.03);
  border-color: rgba(255,255,255,.09);
  color: var(--brand-3);
}
.btn.sm { padding: 12px 16px; font-size: 14px; }
.btn.primary, .btn.ghost { padding: 15px 22px; }
.btn.full { width: 100%; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.04); color: var(--brand-3);
  cursor: pointer;
}
#scrollProgress {
  position: fixed; left: 0; top: 0; height: 4px; width: 0;
  z-index: 100; background: linear-gradient(90deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 18px rgba(24,190,132,.54);
}
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: linear-gradient(180deg, rgba(6,16,14,.88), rgba(6,16,14,.56));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.nav-row {
  min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-symbol {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle at 30% 30%, #a9ffe0, #18be84 58%, #0d6e50 100%);
  font-weight: 900; color: #042017; box-shadow: 0 0 24px rgba(24,190,132,.4);
}
.brand-kicker { color: var(--brand-2); font-size: 12px; letter-spacing: .12em; }
.brand-name { font-size: 19px; font-weight: 800; }
.main-nav { display: flex; gap: 22px; color: var(--muted); }
.main-nav a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.hero-section { padding: 52px 0 26px; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 22px; }
.hero-copy, .hero-visual { padding: 34px; }
.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(40px, 5.8vw, 76px);
  line-height: .98;
  letter-spacing: -.05em;
}
.hero-copy h1 span { color: var(--brand-2); }
.hero-text { color: var(--muted); font-size: 18px; line-height: 1.8; max-width: 760px; }
.hero-tags, .mini-tags, .tag-row {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.hero-tags span, .mini-tags span, .tag-row span {
  padding: 10px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.03);
  color: #d8ebe4; font-size: 13px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-mini-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px;
}
.hero-mini-grid div {
  padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.05);
}
.hero-mini-grid strong { display: block; margin-bottom: 6px; color: var(--brand-3); font-size: 14px; }
.hero-mini-grid span { color: var(--muted); font-size: 14px; line-height: 1.6; }
.signal-stage {
  min-height: 460px; border-radius: 24px; position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 18% 15%, rgba(125,232,186,.14), transparent 24%),
    linear-gradient(180deg, rgba(10,21,18,.96), rgba(7,12,11,.94));
  border: 1px solid rgba(255,255,255,.05);
}
.grid-light {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(125,232,186,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125,232,186,.07) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at center, black 44%, transparent 92%);
}
.signal-line {
  position: absolute; height: 2px; background: linear-gradient(90deg, transparent, var(--brand-2), transparent);
  filter: drop-shadow(0 0 10px rgba(125,232,186,.4)); animation: pulseLine 4s linear infinite;
}
.line-a { width: 280px; left: 14%; top: 30%; transform: rotate(14deg); }
.line-b { width: 360px; right: 5%; top: 54%; transform: rotate(-18deg); animation-delay: 1.2s; }
.line-c { width: 220px; left: 22%; bottom: 18%; transform: rotate(-8deg); animation-delay: 2s; }
@keyframes pulseLine { 0% { opacity:.2; } 40% { opacity:1; } 100% { opacity:.25; } }
.device-cluster { position: absolute; inset: 0; display: grid; place-items: center; }
.device {
  position: absolute; width: 260px; height: 170px; border-radius: 26px; border: 1px solid rgba(125,232,186,.18);
  background: linear-gradient(145deg, rgba(22,31,28,.98), rgba(8,12,11,.96)); box-shadow: 0 24px 42px rgba(0,0,0,.42);
}
.device.core { transform: rotate(-10deg) translateY(-6px); }
.device.sub.left { width: 160px; height: 102px; left: 10%; bottom: 10%; transform: rotate(12deg); opacity: .82; }
.device.sub.right { width: 178px; height: 110px; right: 10%; top: 12%; transform: rotate(8deg); opacity: .82; }
.device-screen {
  position: absolute; left: 22px; top: 22px; width: 88px; height: 48px; border-radius: 12px;
  background: linear-gradient(180deg, rgba(125,232,186,.18), rgba(125,232,186,.04)); border: 1px solid rgba(125,232,186,.18);
}
.device-leds { position: absolute; right: 24px; top: 24px; display: flex; gap: 8px; }
.device-leds span { width: 10px; height: 10px; border-radius: 50%; background: rgba(125,232,186,.26); box-shadow: 0 0 14px rgba(125,232,186,.46); }
.device-ports { position: absolute; left: 22px; bottom: 22px; display: flex; gap: 10px; }
.device-ports span { width: 36px; height: 12px; border-radius: 999px; background: rgba(255,255,255,.08); }
.visual-summary { margin-top: 18px; display: grid; gap: 12px; }
.summary-item {
  padding: 16px 18px; border-radius: 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
}
.summary-item strong { display: block; margin-bottom: 8px; }
.summary-item span { color: var(--muted); line-height: 1.6; font-size: 14px; }
.company-strip { padding: 10px 0 28px; }
.strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.strip-card { padding: 22px; }
.strip-card h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.35; }
.strip-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.products-section, .leadership-section, .trust-section, .contact-section { padding: 28px 0; }
.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 22px; margin-bottom: 24px;
}
.section-head h2 { margin: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.04; letter-spacing: -.04em; }
.section-head p { max-width: 640px; margin: 0; color: var(--muted); line-height: 1.8; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { display: flex; flex-direction: column; min-height: 100%; }
.product-thumb { position: relative; height: 270px; overflow: hidden; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-overlay {
  position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,16,14,.06), rgba(6,16,14,.62));
}
.thumb-badge {
  position: absolute; left: 16px; top: 16px; z-index: 1; padding: 8px 12px; border-radius: 999px;
  background: rgba(6,16,14,.7); border: 1px solid rgba(125,232,186,.2); color: var(--brand-2); font-size: 12px;
}
.product-body { padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.product-topline { color: var(--brand-2); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.product-body h3 { margin: 0; font-size: 28px; line-height: 1.1; }
.product-body p { margin: 0; color: var(--muted); line-height: 1.75; min-height: 78px; }
.product-open { margin-top: 6px; }
.leadership-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 18px; }
.leader-card, .credential-card, .trust-box, .contact-info, .contact-form-wrap { padding: 28px; }
.leader-head { display: grid; grid-template-columns: 104px 1fr; gap: 18px; align-items: center; }
.leader-photo {
  width: 104px; height: 104px; border-radius: 24px; display: grid; place-items: center; font-weight: 900; font-size: 30px;
  background: linear-gradient(135deg, rgba(125,232,186,.16), rgba(24,190,132,.08)); border: 1px solid rgba(125,232,186,.2); color: var(--brand-3);
}
.leader-head h2, .credential-card h3, .trust-box h3, .contact-info h2, .contact-form-wrap h3 { margin: 0 0 10px; }
.leader-head p, .trust-box p { margin: 0; color: var(--muted); line-height: 1.8; }
.leader-meta-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px;
}
.leader-meta-grid div, .credential-item, .leader-note {
  padding: 16px; border-radius: 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
}
.leader-meta-grid strong { display: block; margin-bottom: 6px; color: var(--brand-3); font-size: 14px; }
.leader-meta-grid span { color: var(--muted); line-height: 1.6; font-size: 14px; }
.leader-note { margin-top: 16px; }
.leader-note strong { display: block; margin-bottom: 8px; }
.leader-note p, .credential-item small { color: var(--muted); line-height: 1.7; margin: 0; }
.credential-list { display: grid; gap: 12px; margin-top: 18px; }
.credential-item strong { display: block; margin-bottom: 8px; }
.credential-item span { display: block; margin-bottom: 6px; color: var(--brand-3); }
.credential-item.highlight { border-color: rgba(125,232,186,.22); background: linear-gradient(180deg, rgba(18,42,33,.64), rgba(8,16,14,.86)); }
.credential-item.placeholder { opacity: .95; }
.trust-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
.trust-list { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.9; }
.trust-box.narrow { display: flex; flex-direction: column; justify-content: center; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; }
.contact-lines { display: grid; gap: 12px; margin-top: 18px; }
.contact-lines div {
  padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.05);
}
.contact-lines strong { display: block; margin-bottom: 6px; color: var(--brand-3); }
.contact-lines span { color: var(--muted); line-height: 1.6; }
.field-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.field { display: grid; gap: 8px; margin-bottom: 12px; }
.field label { font-size: 13px; color: var(--brand-3); }
.field input, .field textarea {
  width: 100%; border-radius: 16px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08);
  color: var(--text); padding: 14px 16px; outline: none;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: rgba(125,232,186,.34); box-shadow: 0 0 0 4px rgba(24,190,132,.12); }
.form-message { min-height: 18px; margin: 10px 0 0; color: var(--warn); font-size: 14px; }
.floating-cta {
  position: fixed; right: 16px; bottom: 16px; z-index: 41;
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 20px;
  background: rgba(8,17,14,.88); border: 1px solid rgba(125,232,186,.18); box-shadow: var(--shadow); backdrop-filter: blur(16px);
}
.floating-cta strong { display: block; font-size: 14px; }
.floating-cta span { color: var(--muted); font-size: 12px; }
.modal-wrap {
  position: fixed; inset: 0; z-index: 70; display: none; place-items: center;
  background: rgba(3,8,7,.68); backdrop-filter: blur(14px);
}
.modal-wrap.active { display: grid; }
.modal-card {
  width: min(560px, calc(100vw - 28px)); padding: 30px; border-radius: 28px;
  background: linear-gradient(180deg, rgba(11,24,20,.96), rgba(7,14,12,.96));
  border: 1px solid rgba(125,232,186,.18); box-shadow: var(--shadow);
}
.modal-badge { color: var(--brand-2); font-size: 12px; letter-spacing: .14em; margin-bottom: 12px; }
.modal-card h2 { margin: 0 0 12px; font-size: 34px; }
.modal-card p { margin: 0; color: var(--muted); line-height: 1.8; }
.modal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.today-close { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--muted); cursor: pointer; }
.product-overlay {
  position: fixed; inset: 0; z-index: 65; display: none; background: rgba(4,8,7,.9); backdrop-filter: blur(18px);
}
.product-overlay.active { display: block; }
.overlay-inner {
  height: 100%; width: min(1360px, calc(100vw - 24px)); margin: 12px auto; position: relative;
}
.overlay-close {
  position: absolute; right: 0; top: 0; z-index: 3; width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); color: white; cursor: pointer; font-size: 30px;
}
.overlay-grid {
  display: grid; grid-template-columns: 1.02fr .98fr; gap: 18px; height: calc(100% - 8px); padding-top: 8px;
}
.overlay-visual, .overlay-content { padding: 24px; }
.overlay-image-wrap {
  position: relative; border-radius: 24px; overflow: hidden; height: 360px; border: 1px solid rgba(255,255,255,.06);
}
.overlay-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.overlay-scan {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(24,190,132,.15), transparent);
  transform: translateY(-100%); animation: scan 4s linear infinite;
}
@keyframes scan { to { transform: translateY(100%); } }
.simulator { margin-top: 16px; padding: 20px; border-radius: 24px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); }
.sim-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.sim-head span { color: var(--brand-2); }
.sim-stage {
  position: relative; min-height: 220px; border-radius: 20px; background: linear-gradient(180deg, rgba(7,16,13,.96), rgba(6,10,9,.96));
  border: 1px solid rgba(125,232,186,.12); overflow: hidden;
}
.sim-node {
  position: absolute; width: 108px; height: 108px; border-radius: 24px; display: grid; place-items: center; font-weight: 800;
  border: 1px solid rgba(125,232,186,.2); background: rgba(255,255,255,.03); color: var(--brand-3);
}
.node-input { left: 24px; top: 56px; }
.node-core { left: 50%; top: 42px; transform: translateX(-50%); width: 132px; height: 132px; }
.node-output { right: 24px; top: 56px; }
.sim-path {
  position: absolute; top: 50%; height: 4px; background: linear-gradient(90deg, rgba(125,232,186,.12), rgba(125,232,186,.9), rgba(125,232,186,.12));
  transform: translateY(-50%); border-radius: 999px; box-shadow: 0 0 18px rgba(125,232,186,.3);
}
.path-1 { left: 130px; width: calc(50% - 190px); }
.path-2 { right: 130px; width: calc(50% - 190px); }
.sim-wave {
  position: absolute; width: 220px; height: 220px; border-radius: 50%; border: 1px dashed rgba(125,232,186,.18); animation: spin 14s linear infinite;
}
.wave-a { left: 20px; bottom: -120px; }
.wave-b { right: 10px; top: -110px; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.caption-box {
  margin-top: 16px; padding: 16px; border-radius: 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
}
.caption-label { color: var(--brand-2); font-size: 12px; letter-spacing: .12em; margin-bottom: 8px; }
.caption-box p { margin: 0; line-height: 1.75; color: var(--brand-3); min-height: 82px; }
.overlay-topline { color: var(--brand-2); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 10px; }
.overlay-content h2 { margin: 0 0 12px; font-size: clamp(34px, 4vw, 52px); line-height: 1.02; }
.overlay-desc { color: var(--muted); line-height: 1.82; margin: 0 0 18px; }
.detail-section { margin-bottom: 18px; }
.detail-section h4 { margin: 0 0 10px; font-size: 18px; }
.detail-list { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.85; }
.cta-mini-card {
  padding: 18px; border-radius: 20px; border: 1px solid rgba(125,232,186,.16); background: linear-gradient(180deg, rgba(18,42,33,.52), rgba(8,16,14,.9));
}
.cta-mini-card strong { display: block; margin-bottom: 8px; }
.cta-mini-card p { margin: 0 0 14px; color: var(--muted); line-height: 1.75; }
.site-disclaimer {
  text-align: center; color: rgba(221,238,232,.7); font-size: 12px; padding: 20px 12px 120px;
}
.hidden { display: none !important; }
@media (max-width: 1100px) {
  .hero-grid, .leadership-grid, .trust-grid, .contact-grid, .overlay-grid, .section-head { grid-template-columns: 1fr; }
  .section-head { align-items: start; }
  .product-grid, .strip-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .main-nav { display: none; }
  .hero-mini-grid, .leader-meta-grid, .field-row, .product-grid, .strip-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-visual, .leader-card, .credential-card, .trust-box, .contact-info, .contact-form-wrap { padding: 22px; }
  .hero-copy h1 { font-size: 40px; }
  .floating-cta {
    left: 12px; right: 12px; bottom: 12px; justify-content: space-between;
  }
  .overlay-inner { width: calc(100vw - 12px); margin: 6px auto; }
  .overlay-close { right: 10px; top: 10px; }
  .overlay-image-wrap { height: 240px; }
  .sim-node { width: 82px; height: 82px; font-size: 12px; }
  .node-core { width: 104px; height: 104px; }
  .node-input { left: 14px; top: 66px; }
  .node-output { right: 14px; top: 66px; }
  .path-1 { left: 94px; width: calc(50% - 146px); }
  .path-2 { right: 94px; width: calc(50% - 146px); }
}