/* =============================================
   SBC벤드 주식회사 - Global Stylesheet
   ============================================= */

/* --- CSS Variables --- */
:root {
  --primary:     #0d2b4e;
  --primary-light: #1a4a7a;
  --accent:      #2176ae;
  --accent-hover:#1a5f8a;
  --red:         #c0392b;
  --white:       #ffffff;
  --gray-100:    #f4f6f9;
  --gray-200:    #e8ecf1;
  --gray-500:    #8a97a8;
  --gray-700:    #4a5568;
  --gray-900:    #1a202c;
  --shadow-sm:   0 2px 8px rgba(0,0,0,.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:   0 8px 40px rgba(0,0,0,.16);
  --radius:      8px;
  --radius-lg:   16px;
  --transition:  all .3s ease;
  --max-w:       1200px;
  --header-h:    72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Utility --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: 48px;
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-title { margin-bottom: 8px; }
.tag {
  display: inline-block;
  background: rgba(33, 118, 174, .1);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(33,118,174,.4); }
.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--primary);
}
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }
.divider { width: 48px; height: 3px; background: var(--accent); margin: 16px auto 32px; border-radius: 2px; }
.divider-left { margin-left: 0; }

/* =============================================
   HEADER / NAV
   ============================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  transition: background .4s ease, box-shadow .4s ease;
}
#header.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
#header.scrolled .nav-logo { color: var(--primary); }
#header.scrolled .nav-logo span { color: var(--accent); }
#header.scrolled .nav-menu a { color: var(--gray-700); }
#header.scrolled .nav-menu a:hover { color: var(--accent); }
#header.scrolled .btn-header { background: var(--accent); color: var(--white); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  /* fallback text styles (unused when image loads) */
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
}
.nav-logo span { color: #5bc4f5; }
.nav-logo small { display: block; font-size: .6rem; font-weight: 400; letter-spacing: .05em; opacity: .8; margin-top: -2px; }

/* ---- Logo image ---- */
.nav-logo-img {
  height: 48px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: filter .3s ease;
}
#header.scrolled .nav-logo-img {
  filter: none;
}

.footer-logo-wrap { margin-bottom: 14px; }
.footer-logo-img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .9;
}

.nav-drawer-logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li {
  position: relative;
}
.nav-menu > li > a {
  display: block;
  padding: 8px 14px;
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
  border-radius: 6px;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 14px; right: 14px;
  height: 2px;
  background: #5bc4f5;
  transform: scaleX(0);
  transition: transform .3s ease;
  border-radius: 1px;
}
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after { transform: scaleX(1); }
.nav-menu > li > a:hover { color: var(--white); background: rgba(255,255,255,.08); }
#header.scrolled .nav-menu > li > a:hover { background: var(--gray-100); }

/* ---- Dropdown ---- */
.nav-menu > li.has-dropdown > a::before {
  content: ' ▾';
  font-size: .65rem;
  opacity: .7;
}
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 8px 0;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  transform: translateX(-50%) translateY(-4px);
}
.nav-menu > li.has-dropdown:hover .nav-dropdown {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown li a {
  display: block;
  padding: 9px 18px;
  font-size: .84rem;
  color: var(--gray-700);
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.nav-dropdown li a:hover {
  background: var(--gray-100);
  color: var(--accent);
}

.btn-header {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,.6);
  color: var(--white);
  transition: var(--transition);
}
.btn-header:hover { background: rgba(255,255,255,.2); border-color: var(--white); }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
#header.scrolled .nav-toggle span { background: var(--primary); }

/* Mobile nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
}
.nav-drawer {
  position: fixed;
  top: 0; right: -100%;
  width: 280px;
  height: 100%;
  background: var(--white);
  z-index: 1001;
  padding: 24px;
  transition: right .35s ease;
  overflow-y: auto;
}
.nav-drawer.open { right: 0; }
.nav-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.nav-drawer-logo { font-size: 1.2rem; font-weight: 800; color: var(--primary); }
.nav-drawer-logo span { color: var(--accent); }
.nav-drawer-close { font-size: 1.5rem; color: var(--gray-700); padding: 4px; }
.nav-drawer-menu { display: flex; flex-direction: column; }
.nav-drawer-menu > details {
  border-bottom: 1px solid var(--gray-200);
}
.nav-drawer-menu > details > summary {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
}
.nav-drawer-menu > details > summary::-webkit-details-marker { display: none; }
.nav-drawer-menu > details > summary::after { content: '+'; font-size: 1.2rem; font-weight: 300; color: var(--accent); }
.nav-drawer-menu > details[open] > summary::after { content: '−'; }
.nav-drawer-menu > details > summary > a { color: inherit; font-weight: inherit; }
.nav-drawer-sub {
  padding: 4px 0 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-drawer-sub a {
  padding: 9px 0;
  font-size: .9rem;
  color: var(--gray-500);
  border-bottom: none !important;
}
.nav-drawer-sub a::after { display: none !important; }
.nav-drawer-sub a:hover { color: var(--accent); }
.nav-drawer-menu a {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-drawer-menu a:hover { color: var(--accent); }
.nav-drawer-menu a::after { content: '›'; font-size: 1.2rem; }
.nav-drawer-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
  font-size: .8rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, #1a4a7a 50%, #0a1f3d 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 70% 60% at 75% 35%, rgba(33,118,174,.35) 0%, transparent 65%),
    radial-gradient(ellipse 50% 70% at 15% 85%, rgba(91,196,245,.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 10%, rgba(13,43,78,.5) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(91,196,245,.15);
  border: 1px solid rgba(91,196,245,.3);
  color: #5bc4f5;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-tag::before { content: '●'; font-size: .5rem; }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-title em {
  font-style: normal;
  color: #5bc4f5;
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .75rem;
  letter-spacing: .08em;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(transparent, rgba(255,255,255,.4));
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   STATS
   ============================================= */
.stats-section {
  background: var(--white);
  padding: 0;
  position: relative;
  z-index: 2;
}
.stats-inner {
  background: var(--primary);
  border-radius: 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
  transition: background .3s;
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(255,255,255,.05); }
.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #5bc4f5;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num sup { font-size: .5em; font-weight: 600; vertical-align: super; }
.stat-label {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  font-weight: 400;
}

/* =============================================
   ABOUT / INTRO
   ============================================= */
.about-section { background: var(--gray-100); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-img-placeholder {
  text-align: center;
  color: rgba(255,255,255,.4);
}
.about-img-placeholder svg { width: 80px; height: 80px; margin-bottom: 16px; }
.about-img-placeholder p { font-size: .85rem; }

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.about-badge-num { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.about-badge-txt { font-size: .75rem; opacity: .85; margin-top: 4px; }
.about-text .section-title { text-align: left; }
.about-text .divider { margin: 16px 0 28px; }
.about-text p { color: var(--gray-700); line-height: 1.9; margin-bottom: 16px; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(33,118,174,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}
.feature-text h4 { font-size: .9rem; font-weight: 600; color: var(--primary); margin-bottom: 2px; }
.feature-text p { font-size: .8rem; color: var(--gray-500); line-height: 1.5; }

/* =============================================
   PRODUCTS
   ============================================= */
.products-section { background: var(--white); }
.product-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 8px 20px;
  border-radius: 24px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(33,118,174,.2);
}
.product-thumb {
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, #0d2b4e 0%, var(--primary) 55%, #1e5fa0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-thumb svg {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.4));
}
.product-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 20px 20px;
}
.product-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(33,118,174,.15) 0%, rgba(13,43,78,.4) 100%);
}
.product-body { padding: 24px; }
.product-cat {
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}
.product-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.product-desc {
  font-size: .85rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}
.product-specs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.spec-tag {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
}

/* =============================================
   CERTIFICATIONS
   ============================================= */
.cert-section { background: var(--gray-100); padding: 64px 0; }
.cert-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.cert-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.cert-badge-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: .7rem;
  flex-shrink: 0;
}

/* =============================================
   CLIENTS
   ============================================= */
.clients-section { background: var(--white); padding: 64px 0; }
.clients-header { text-align: center; margin-bottom: 40px; }
.clients-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.client-chip {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 24px;
  padding: 8px 20px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
}
.client-chip:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* =============================================
   CTA BANNER
   ============================================= */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(91,196,245,.15) 0%, transparent 70%);
}
.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-text h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: var(--white); margin-bottom: 10px; }
.cta-text p { color: rgba(255,255,255,.7); font-size: .95rem; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* =============================================
   QUICK LINKS
   ============================================= */
.quick-section { background: var(--gray-100); padding: 64px 0; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.quick-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.quick-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(33,118,174,.3);
}
.quick-card h3 { font-size: .95rem; font-weight: 700; color: var(--primary); }
.quick-card p { font-size: .8rem; color: var(--gray-500); line-height: 1.6; }
.quick-link {
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.quick-link::after { content: '→'; transition: transform .2s; }
.quick-card:hover .quick-link::after { transform: translateX(4px); }

/* =============================================
   FOOTER
   ============================================= */
#footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.6);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.footer-brand .footer-logo span { color: #5bc4f5; }
.footer-brand .footer-corp { font-size: .75rem; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.footer-brand p { font-size: .82rem; line-height: 1.8; margin-bottom: 6px; }
.footer-brand a { color: #5bc4f5; }
.footer-col h4 { font-size: .9rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .82rem; transition: color .2s; }
.footer-col ul li a:hover { color: #5bc4f5; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .78rem;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,.4); margin-left: 16px; }
.footer-bottom a:hover { color: #5bc4f5; }

/* =============================================
   PAGE HERO (sub pages)
   ============================================= */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(91,196,245,.15) 0%, transparent 70%);
}
.page-hero-inner { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.5); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.3); }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--white); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,.7); margin-top: 12px; }

/* =============================================
   COMPANY PAGE
   ============================================= */
.ceo-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: start;
}
.ceo-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--gray-200), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 4rem;
}
.ceo-message {
  padding: 8px 0;
}
.ceo-message h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.ceo-message .ceo-title { font-size: .85rem; color: var(--accent); font-weight: 600; margin-bottom: 24px; }
.ceo-message p { color: var(--gray-700); line-height: 1.9; margin-bottom: 16px; font-size: .95rem; }
.ceo-sign { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--gray-200); }
.ceo-sign .company-name { font-size: .85rem; color: var(--gray-500); }
.ceo-sign .ceo-name { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-top: 4px; }

/* History timeline */
.timeline { position: relative; padding-left: 0; }
.timeline-year-group { margin-bottom: 40px; }
.timeline-year {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.timeline-year::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
  min-width: 40px;
}
.timeline-events { display: flex; flex-direction: column; gap: 12px; padding-left: 24px; border-left: 2px solid var(--gray-200); }
.timeline-event {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  position: relative;
}
.timeline-event::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-month {
  min-width: 36px;
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 2px;
}
.timeline-content { font-size: .9rem; color: var(--gray-700); line-height: 1.6; }

/* Cert grid */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}
.cert-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.cert-icon-wrap {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: .8rem;
}
.cert-info h4 { font-size: .95rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.cert-info p { font-size: .8rem; color: var(--gray-500); line-height: 1.5; }

/* Org chart */
.org-chart { display: flex; flex-direction: column; align-items: center; gap: 0; }
.org-row { display: flex; gap: 24px; justify-content: center; position: relative; }
.org-box {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 20px;
  text-align: center;
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  min-width: 120px;
  transition: var(--transition);
}
.org-box:hover { border-color: var(--accent); }
.org-box.head { background: var(--primary); color: var(--white); border-color: var(--primary); }
.org-box.dept { background: rgba(33,118,174,.08); border-color: rgba(33,118,174,.3); }
.org-connector {
  width: 2px;
  height: 32px;
  background: var(--gray-200);
  margin: 0 auto;
}
.org-h-line {
  position: relative;
  display: flex;
  gap: 24px;
  justify-content: center;
}
.org-h-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 120px);
  height: 2px;
  background: var(--gray-200);
}

/* Map section */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
  position: relative;
}
.map-placeholder {
  text-align: center;
}
.map-placeholder svg { width: 48px; height: 48px; margin-bottom: 16px; opacity: .4; }
.map-placeholder p { font-size: .85rem; }
.address-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.address-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
}
.address-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(33,118,174,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}
.address-info h4 { font-size: .85rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.address-info p { font-size: .82rem; color: var(--gray-500); line-height: 1.6; }
.address-info a { color: var(--accent); }

/* =============================================
   PRODUCTS PAGE
   ============================================= */
.product-category-nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}
.pcat-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.pcat-inner::-webkit-scrollbar { display: none; }
.pcat-btn {
  padding: 16px 24px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-500);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
}
.pcat-btn:hover { color: var(--accent); }
.pcat-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 700; }

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.product-detail-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.product-detail-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pdc-header {
  padding: 24px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  display: flex;
  align-items: center;
  gap: 16px;
}
.pdc-icon { font-size: 2.5rem; }
.pdc-title-wrap h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); }
.pdc-title-wrap span { font-size: .8rem; color: var(--gray-500); }
.pdc-body { padding: 24px; }
.pdc-body p { font-size: .875rem; color: var(--gray-700); line-height: 1.8; margin-bottom: 16px; }
.pdc-specs-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.pdc-specs-table th {
  background: var(--gray-100);
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 1px solid var(--gray-200);
}
.pdc-specs-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}
.pdc-specs-table tr:last-child td { border-bottom: none; }

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
}
.contact-info-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.contact-info-card .subtitle { color: rgba(255,255,255,.6); font-size: .875rem; margin-bottom: 32px; }
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.contact-item-info label { font-size: .75rem; color: rgba(255,255,255,.5); display: block; margin-bottom: 2px; }
.contact-item-info p { font-size: .9rem; color: var(--white); font-weight: 500; }
.contact-item-info a { color: #5bc4f5; }
.contact-social { margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); }
.contact-social h4 { font-size: .85rem; color: rgba(255,255,255,.5); margin-bottom: 16px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: .85rem;
  transition: var(--transition);
}
.social-link:hover { background: rgba(255,255,255,.1); color: var(--white); }

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-form-wrap h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.contact-form-wrap p { font-size: .875rem; color: var(--gray-500); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: .875rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border .2s;
  font-family: inherit;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(33,118,174,.1); }
.form-group textarea { height: 140px; resize: vertical; }
.form-check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 24px; }
.form-check input { width: 18px; height: 18px; min-width: 18px; margin-top: 1px; accent-color: var(--accent); }
.form-check label { font-size: .8rem; color: var(--gray-500); line-height: 1.5; }
.form-check a { color: var(--accent); }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
}
.btn-submit:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(33,118,174,.4); }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: #27ae60;
}

/* Recruit section */
.recruit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.recruit-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.recruit-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.recruit-dept { font-size: .75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.recruit-title { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.recruit-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.recruit-tag { font-size: .75rem; background: var(--gray-100); color: var(--gray-700); padding: 3px 10px; border-radius: 4px; }
.recruit-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--gray-200); }
.recruit-deadline { font-size: .75rem; color: var(--gray-500); }
.recruit-link { font-size: .8rem; font-weight: 600; color: var(--accent); }

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: .1s; }
.fade-up:nth-child(3) { transition-delay: .2s; }
.fade-up:nth-child(4) { transition-delay: .3s; }
.fade-up:nth-child(5) { transition-delay: .4s; }
.fade-up:nth-child(6) { transition-delay: .5s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 480px; }
  .about-badge { right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .section { padding: 60px 0; }
  .nav-menu, .btn-header { display: none; }
  .nav-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.1); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .address-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .ceo-grid { grid-template-columns: 1fr; }
  .ceo-photo { aspect-ratio: 1/1; max-width: 200px; }
  .recruit-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .recruit-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
}