:root {
  --navy: #081827;
  --navy-2: #102b45;
  --blue: #0e6fb8;
  --cyan: #25b6d2;
  --orange: #f08a24;
  --text: #1b2633;
  --muted: #647386;
  --line: #e3e9f0;
  --bg: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(8, 24, 39, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.62;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid rgba(227,233,240,0.8);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand img { width: 210px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 26px; font-weight: 700; font-size: 15px; color: #26374a; }
.site-nav a { position: relative; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 0.2s ease;
}
.site-nav a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
}
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--navy); margin: 5px 0; }

.hero {
  position: relative;
  min-height: 760px;
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,24,39,0.95) 0%, rgba(8,24,39,0.78) 45%, rgba(8,24,39,0.34) 100%), url('../assets/images/hero-seat.jpg') center/cover no-repeat;
  transform: scale(1.02);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: auto -10% -18% -10%;
  height: 240px;
  background: var(--white);
  transform: skewY(-4deg);
  transform-origin: 0 0;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(37,182,210,0.24), transparent 34%), radial-gradient(circle at 70% 70%, rgba(240,138,36,0.16), transparent 30%);
}
.hero-content { position: relative; z-index: 2; padding-top: 24px; }
.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.hero .eyebrow { color: #72d8f1; }
.hero h1 {
  font-size: clamp(44px, 6.4vw, 82px);
  line-height: 1.05;
  letter-spacing: -0.055em;
  margin: 0;
  font-weight: 900;
}
.hero-copy {
  max-width: 720px;
  font-size: clamp(20px, 2vw, 28px);
  margin: 28px 0 36px;
  color: rgba(255,255,255,.88);
  font-weight: 600;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; box-shadow: 0 14px 30px rgba(14,111,184,.26); }
.btn.primary.light { background: #fff; color: var(--navy); }
.btn.ghost { border-color: rgba(255,255,255,.45); color: #fff; background: rgba(255,255,255,.08); }
.hero-stats {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 1080px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.hero-stats div { padding: 24px 28px; border-right: 1px solid rgba(255,255,255,.18); }
.hero-stats div:last-child { border-right: 0; }
.hero-stats strong { display: block; font-size: 27px; line-height: 1.2; }
.hero-stats span { color: rgba(255,255,255,.74); font-size: 14px; }

.quick-info { position: relative; z-index: 5; margin-top: -70px; padding-bottom: 50px; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}
.quick-grid article {
  padding: 28px;
  background: #fff;
  border-radius: 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(227,233,240,.8);
}
.quick-grid span { color: var(--orange); font-weight: 900; font-size: 14px; }
.quick-grid h2 { font-size: 20px; line-height: 1.2; margin: 14px 0 10px; }
.quick-grid p { margin: 0; color: var(--muted); font-size: 15px; }

.section { padding: 105px 0; }
.section:nth-of-type(even) { background: var(--bg); }
.section-head { max-width: 760px; text-align: center; margin: 0 auto 50px; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head h2, .split-feature h2, .contact h2, .clients h2, .cta-inner h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.17;
  letter-spacing: -0.04em;
  margin: 0 0 18px;
}
.section-head p, .lead, .cta-inner p { color: var(--muted); font-size: 18px; margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.about-card {
  padding: 36px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
  box-shadow: var(--shadow);
}
.about-card dl { margin: 0; }
.about-card div { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.about-card div:last-child { border-bottom: 0; }
.about-card dt { color: #77d8f0; font-weight: 900; }
.about-card dd { margin: 0; color: rgba(255,255,255,.9); }
.image-strip { display: grid; grid-template-columns: 1.2fr .9fr 1fr; gap: 18px; margin-top: 50px; }
.image-strip img { width: 100%; height: 260px; object-fit: cover; border-radius: 22px; box-shadow: 0 18px 48px rgba(8,24,39,.12); }

.business-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 16px 46px rgba(8,24,39,.06);
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 26px 70px rgba(8,24,39,.12); }
.icon-mark {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(14,111,184,.1), rgba(37,182,210,.16));
  color: var(--blue);
  font-weight: 900;
  font-size: 14px;
}
.service-card h3 { font-size: 24px; letter-spacing: -0.03em; margin: 24px 0 12px; }
.service-card p { color: var(--muted); margin: 0 0 20px; }
.service-card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.service-card li { padding: 6px 10px; border-radius: 999px; background: var(--bg); color: #465a70; font-size: 13px; font-weight: 800; }

.split-feature { display: grid; grid-template-columns: .92fr 1fr; gap: 64px; align-items: center; }
.process-list { display: grid; gap: 16px; margin-top: 34px; }
.process-list div { display: grid; grid-template-columns: 54px 1fr; gap: 6px 16px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.process-list span { grid-row: span 2; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--navy); color: #fff; font-weight: 900; }
.process-list strong { font-size: 18px; }
.process-list p { margin: 0; color: var(--muted); }
.feature-media { position: relative; }
.feature-media img { width: 100%; height: 560px; object-fit: cover; border-radius: 32px; box-shadow: var(--shadow); }
.floating-box { position: absolute; left: -30px; bottom: 34px; padding: 22px 26px; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.floating-box strong { display: block; font-size: 20px; }
.floating-box span { color: var(--muted); }


.accent-card {
  background: linear-gradient(135deg, #ffffff, #f0fbff);
  border-color: rgba(37, 182, 210, .35);
}

.scan-section {
  background: linear-gradient(135deg, #071421, #0b3558) !important;
  color: #fff;
  overflow: hidden;
}
.scan-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 58px;
  align-items: center;
}
.scan-copy .eyebrow, .scanner-info .eyebrow { color: #72d8f1; }
.scan-copy h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.17;
  letter-spacing: -0.04em;
  margin: 0 0 18px;
}
.scan-copy .lead { color: rgba(255,255,255,.78); }
.scan-workflow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}
.scan-workflow div {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
}
.scan-workflow span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 14px;
  background: rgba(37,182,210,.18);
  color: #72d8f1;
  font-weight: 900;
}
.scan-workflow strong { display: block; font-size: 18px; margin-bottom: 6px; }
.scan-workflow p { margin: 0; color: rgba(255,255,255,.68); font-size: 15px; }
.scanner-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 28px 90px rgba(0,0,0,.28);
}
.scanner-card::before {
  content: "";
  position: absolute;
  inset: -30% -20% auto auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(37,182,210,.26);
  filter: blur(20px);
}
.scanner-visual {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 36px;
  background: radial-gradient(circle at 70% 25%, rgba(37,182,210,.26), transparent 38%), radial-gradient(circle at 20% 70%, rgba(240,138,36,.16), transparent 30%);
}
.scanner-visual img { width: min(100%, 420px); height: auto; filter: drop-shadow(0 30px 40px rgba(0,0,0,.28)); }
.scanner-info { position: relative; padding: 30px; background: #fff; color: var(--text); }
.scanner-info .eyebrow { color: var(--blue); margin-bottom: 10px; }
.scanner-info h3 { margin: 0 0 12px; font-size: 28px; letter-spacing: -0.03em; }
.scanner-info p { margin: 0 0 18px; color: var(--muted); }
.spec-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.spec-tags span { padding: 7px 11px; border-radius: 999px; background: var(--bg); color: #465a70; font-size: 13px; font-weight: 800; }
.highlight-facility { border-color: rgba(37,182,210,.35) !important; }
.highlight-facility img { object-fit: contain !important; background: linear-gradient(135deg, #071421, #0b3558); padding: 20px; }

.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.project-card {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  border-radius: 26px;
  background: var(--navy);
  color: #fff;
  box-shadow: 0 20px 60px rgba(8,24,39,.14);
}
.project-card.large { grid-column: span 2; grid-row: span 2; min-height: 700px; }
.project-card img { width: 100%; height: 100%; object-fit: cover; opacity: .78; transition: transform .4s ease, opacity .4s ease; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(8,24,39,.92), rgba(8,24,39,.2) 55%, rgba(8,24,39,.05)); }
.project-card div { position: absolute; left: 24px; right: 24px; bottom: 24px; z-index: 2; }
.project-card p { margin: 0 0 6px; color: #72d8f1; font-weight: 900; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.project-card h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.22; letter-spacing: -0.03em; }
.project-card span { color: rgba(255,255,255,.78); }
.project-card:hover img { transform: scale(1.06); opacity: .92; }

.clients { background: #fff !important; text-align: center; }
.client-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 34px 0 18px; }
.client-tags span { padding: 12px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); font-weight: 800; color: #31465a; }
.notice { color: var(--muted); font-size: 14px; margin-top: 18px; }

.facility-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
.facility-grid article { background: #fff; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: 0 16px 46px rgba(8,24,39,.06); }
.facility-grid img { height: 210px; width: 100%; object-fit: cover; }
.facility-grid h3 { margin: 22px 22px 8px; font-size: 21px; letter-spacing: -0.03em; }
.facility-grid p { margin: 0 22px 24px; color: var(--muted); }

.cta-band { padding: 72px 0; background: linear-gradient(135deg, var(--navy), #093a63) !important; color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner .eyebrow { color: #72d8f1; }
.cta-inner p { color: rgba(255,255,255,.75); }

.contact { background: #fff !important; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.contact-info { margin-top: 34px; display: grid; gap: 16px; }
.contact-info p { display: grid; grid-template-columns: 80px 1fr; gap: 16px; margin: 0; padding: 20px; background: var(--bg); border-radius: 18px; }
.contact-info strong { color: var(--navy); }
.contact-info span, .contact-info a { color: var(--muted); }
.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 34px; border-radius: 28px; background: var(--bg); border: 1px solid var(--line); }
.contact-form label { display: grid; gap: 8px; font-weight: 800; font-size: 14px; color: #34475a; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  border: 1px solid #d6e0ea;
  border-radius: 14px;
  background: #fff;
  padding: 14px 15px;
  font: inherit;
  color: var(--text);
  outline: none;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(14,111,184,.12); }
.contact-form .full { grid-column: 1 / -1; }
.form-note { grid-column: 1 / -1; color: var(--muted); font-size: 13px; margin: 0; }

.site-footer { padding: 38px 0; background: #071421; color: rgba(255,255,255,.68); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.footer-grid img { width: 190px; background: #fff; border-radius: 12px; padding: 8px 12px; margin-bottom: 14px; }
.footer-grid p { margin: 0; }
.footer-grid strong { display: block; color: #fff; margin-bottom: 6px; }
.footer-grid span { display: block; }

@media (max-width: 1024px) {
  .scan-grid { grid-template-columns: 1fr; }
  .scan-workflow { grid-template-columns: 1fr; }
  .quick-grid, .facility-grid { grid-template-columns: repeat(2, 1fr); }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col, .split-feature, .contact-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.large { grid-column: span 2; min-height: 520px; }
  .feature-media img { height: 420px; }
}

@media (max-width: 820px) {
  .scanner-visual { min-height: 280px; padding: 24px; }
  .brand img { width: 176px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px; }
  .nav-cta { text-align: center; }
  .hero { min-height: 720px; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stats div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .hero-stats div:last-child { border-bottom: 0; }
  .quick-info { margin-top: -40px; }
  .quick-grid, .business-grid, .facility-grid { grid-template-columns: 1fr; }
  .image-strip { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card.large { grid-column: span 1; min-height: 420px; }
  .project-card { min-height: 320px; }
  .cta-inner, .footer-grid { flex-direction: column; align-items: flex-start; }
  .contact-form { grid-template-columns: 1fr; padding: 24px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 78px 0; }
  .hero h1 { font-size: 40px; }
  .hero-copy { font-size: 18px; }
  .btn { width: 100%; }
  .about-card { padding: 24px; }
  .about-card div, .contact-info p { grid-template-columns: 1fr; gap: 6px; }
  .floating-box { position: static; margin-top: 14px; }
}

/* V2 image update: 3D scan sample gallery */
.scan-sample-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1.28fr .72fr;
  gap: 20px;
}
.scan-sample-grid article {
  overflow: hidden;
  border-radius: 26px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 22px 70px rgba(0,0,0,.22);
}
.scan-sample-grid img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: #071421;
}
.scan-sample-grid article:nth-child(2) img {
  object-fit: contain;
  padding: 24px;
  background: #f5f8fb;
}
.scan-sample-grid div {
  padding: 22px 24px 24px;
}
.scan-sample-grid strong {
  display: block;
  color: #fff;
  font-size: 20px;
  margin-bottom: 6px;
}
.scan-sample-grid span {
  display: block;
  color: rgba(255,255,255,.7);
}
.scanner-product {
  background: radial-gradient(circle at 70% 25%, rgba(37,182,210,.2), transparent 38%), linear-gradient(135deg, #070b12, #111827);
}
.scanner-product img {
  width: min(100%, 520px);
  border-radius: 16px;
}
@media (max-width: 1024px) {
  .scan-sample-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .scan-sample-grid img { height: 230px; }
}