:root {
  --color-bg: #F7F7F4;
  --color-bg-alt: #EFEFE9;
  --color-primary: #16332A;
  --color-primary-dark: #0D2119;
  --color-accent: #7A2E3A;
  --color-text: #262521;
  --color-text-muted: #6C6B63;
  --color-border: #E1E0D8;
}

body { margin:0; font-family:'Helvetica Neue', sans-serif; background:var(--color-bg); color:var(--color-text); }

header { background:var(--color-bg-alt); padding:20px; display:flex; justify-content:center; align-items:center; position:sticky; top:0; border-bottom:1px solid var(--color-border); z-index:20; }

.logo { font-size:22px; letter-spacing:2px; cursor:pointer; color:var(--color-primary); font-weight:600; }

nav { position:absolute; right:20px; }
nav a { margin-left:25px; text-decoration:none; color:var(--color-text-muted); font-size:14px; cursor:pointer; }
nav a:hover { color:var(--color-primary); }
nav a.active-nav { color:var(--color-primary); }

.lang-container { position:absolute; left:20px; }
.lang-btn { font-size:11px; margin-right:10px; cursor:pointer; color:#b3b2a9; }
.lang-btn.active-lang { color:var(--color-primary); }

.hero { text-align:center; padding:120px 20px; }
.hero h1 { font-size:40px; font-weight:300; margin:0; color:var(--color-primary-dark); }
.hero p { color:var(--color-text-muted); margin-top:15px; }

.trust-strip { padding:0 20px; max-width:1200px; margin:0 auto 60px; }
.trust-strip-inner { background:var(--color-primary); border-radius:18px; padding:28px 36px; color:#E7E9E4; display:flex; flex-wrap:wrap; gap:24px; align-items:center; justify-content:space-between; }
.trust-item { font-size:13px; letter-spacing:0.4px; color:#C4CAC2; }
.trust-item b { display:block; font-size:19px; font-weight:500; color:#F2F3EF; margin-bottom:4px; }

.home-layout {
  max-width:1200px;
  margin:auto;
  padding:0 20px 80px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:stretch;
}

.info-carousel {
  position:relative;
  min-height:320px;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:20px;
  padding:36px 36px 72px;
  box-shadow:0 18px 45px rgba(22,51,42,0.06);
  overflow:hidden;
}

.info-track {
  position:relative;
  min-height:248px;
}

.info-slide {
  position:absolute;
  inset:0;
  opacity:0;
  transform:translateY(18px);
  pointer-events:none;
  transition:opacity 0.45s ease, transform 0.45s ease;
}

.info-slide.active-slide {
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}

.info-link {
  display:block;
  height:100%;
  color:inherit;
  text-decoration:none;
}

.info-label {
  display:inline-block;
  margin-bottom:18px;
  font-size:12px;
  letter-spacing:1.6px;
  color:var(--color-accent);
}

.info-slide h2 {
  margin:0 0 16px;
  font-size:30px;
  font-weight:400;
  color:var(--color-primary-dark);
}

.info-slide p {
  margin:0;
  color:var(--color-text-muted);
  line-height:1.7;
}

.info-more {
  display:inline-block;
  margin-top:28px;
  font-size:13px;
  letter-spacing:1px;
  color:var(--color-primary);
}

.carousel-arrow {
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:42px;
  height:42px;
  border:none;
  border-radius:999px;
  background:rgba(255,255,255,0.92);
  color:var(--color-primary);
  box-shadow:0 8px 24px rgba(0,0,0,0.12);
  cursor:pointer;
  opacity:0;
  transition:opacity 0.25s ease, transform 0.25s ease;
}

.info-carousel:hover .carousel-arrow {
  opacity:1;
}

.carousel-arrow:hover {
  transform:translateY(-50%) scale(1.05);
}

.carousel-arrow.prev { left:16px; }
.carousel-arrow.next { right:16px; }

.info-dots {
  position:absolute;
  left:36px;
  right:36px;
  bottom:24px;
  display:flex;
  gap:8px;
}

.info-dot {
  width:10px;
  height:10px;
  border-radius:999px;
  background:var(--color-border);
  transition:background 0.25s ease, transform 0.25s ease;
}

.info-dot.active-dot {
  background:var(--color-primary);
  transform:scale(1.1);
}

.section { padding:80px 20px; max-width:1200px; margin:auto; }

.technology-section {
  padding:48px 40px 60px;
  margin:0 auto 56px;
  background:var(--color-bg-alt);
  border-radius:24px;
}

.feature-list {
  margin:24px 0 0;
  padding-left:20px;
  color:var(--color-text-muted);
  line-height:1.8;
}

.feature-list li {
  margin-bottom:10px;
}

.feature-list li::marker {
  color:var(--color-accent);
}

.product-detail img {
  max-width:100%;
  border-radius:12px;
  margin:18px 0 10px;
}

.product-detail p {
  color:var(--color-text-muted);
  line-height:1.8;
}

.products { display:grid; grid-template-columns:repeat(auto-fit, minmax(250px, 1fr)); gap:30px; }

.card { background:#fff; border:1px solid var(--color-border); padding:20px; border-radius:12px; transition:0.3s; cursor:pointer; }
.card:hover { transform:translateY(-5px); box-shadow:0 10px 30px rgba(22,51,42,0.1); border-color:var(--color-primary); }
.card img { width:100%; border-radius:10px; }

.page { display:none; }
.active { display:block; }

.contact-details {
  padding:20px 20px 40px;
}

.contact-details-inner {
  max-width:1200px;
  margin:auto;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:18px;
  padding:32px;
  box-shadow:0 18px 45px rgba(22,51,42,0.05);
}

.contact-details h2,
.map-section h2 {
  margin-top:0;
  font-size:24px;
  font-weight:400;
  color:var(--color-primary-dark);
}

.contact-details p {
  margin:10px 0;
  line-height:1.8;
  color:var(--color-text-muted);
}

.map-section {
  padding:0 20px 40px;
}

.map-frame {
  max-width:1200px;
  margin:auto;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:18px;
  padding:20px;
  box-shadow:0 18px 45px rgba(22,51,42,0.05);
}

.map-frame iframe {
  width:100%;
  height:360px;
  border:none;
  border-radius:12px;
  filter:grayscale(1);
}

.map-link {
  display:inline-block;
  margin-top:16px;
  color:var(--color-primary);
  text-decoration:none;
  border-bottom:1px solid var(--color-primary);
}

footer { text-align:center; padding:30px; font-size:13px; color:var(--color-text-muted); background:var(--color-bg-alt); border-top:1px solid var(--color-border); }

.btn { display:inline-block; margin-top:20px; padding:12px 25px; border:1px solid var(--color-primary); text-decoration:none; color:var(--color-primary); }
.btn:hover { background:var(--color-primary); color:#fff; }

.back-link {
  display:inline-block;
  margin:32px 20px 0;
  font-size:13px;
  color:var(--color-text-muted);
  text-decoration:none;
  cursor:pointer;
}

.back-link:hover { color:var(--color-primary); }

.msa-hero {
  padding:60px 20px 40px;
  max-width:900px;
  margin:auto;
}

.msa-eyebrow {
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--color-accent);
  margin-bottom:14px;
}

.msa-hero h1 {
  font-size:36px;
  font-weight:300;
  margin:0 0 14px;
  color:var(--color-primary-dark);
}

.msa-subtitle {
  color:var(--color-text-muted);
  line-height:1.8;
  font-size:16px;
  max-width:680px;
  margin:0;
}

.msa-block {
  max-width:900px;
  margin:0 auto;
  padding:32px 20px;
}

.msa-block h2 {
  font-size:22px;
  font-weight:400;
  color:var(--color-primary-dark);
  margin-bottom:16px;
}

.msa-block p {
  color:var(--color-text-muted);
  line-height:1.8;
}

.msa-steps {
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
  max-width:1000px;
  margin:0 auto;
  padding:0 20px 40px;
}

.msa-step {
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:14px;
  padding:28px 22px;
}

.msa-step-num {
  font-size:28px;
  font-weight:300;
  color:var(--color-primary);
  margin-bottom:10px;
}

.msa-step h3 {
  font-size:16px;
  font-weight:500;
  margin:0 0 10px;
  color:var(--color-text);
}

.msa-step p {
  font-size:14px;
  color:var(--color-text-muted);
  line-height:1.7;
  margin:0;
}

.msa-compare {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  max-width:1000px;
  margin:0 auto;
  padding:0 20px 40px;
}

.msa-compare-card {
  border-radius:14px;
  padding:26px 24px;
}

.msa-compare-card.old {
  background:var(--color-bg-alt);
  border:1px solid var(--color-border);
}

.msa-compare-card.new {
  background:var(--color-primary);
  color:#EDEFEA;
}

.msa-compare-card h3 {
  font-size:15px;
  font-weight:500;
  margin:0 0 12px;
}

.msa-compare-card.old h3 { color:var(--color-text); }
.msa-compare-card.new h3 { color:#F2F3EF; }

.msa-compare-card ul {
  margin:0;
  padding-left:18px;
  line-height:1.8;
  font-size:14px;
}

.msa-compare-card.old ul { color:var(--color-text-muted); }
.msa-compare-card.old ul li::marker { color:var(--color-accent); }
.msa-compare-card.new ul { color:#D6DAD1; }
.msa-compare-card.new ul li::marker { color:#9FB0A6; }

.inline-more {
  display:inline-block;
  margin-top:22px;
  font-size:13px;
  letter-spacing:1px;
  color:var(--color-primary);
  text-decoration:none;
  border-bottom:1px solid var(--color-primary);
  cursor:pointer;
}

.philosophy-section {
  padding:48px 40px 56px;
  margin:0 auto 56px;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:24px;
}

.philosophy-section h3 {
  margin:36px 0 12px;
  font-size:17px;
  font-weight:500;
  color:var(--color-primary-dark);
}

.philosophy-section p {
  color:var(--color-text-muted);
  line-height:1.8;
  margin:0;
}

.philosophy-quote {
  margin:0 0 24px;
  padding:0 0 0 20px;
  border-left:3px solid var(--color-accent);
  font-size:19px;
  font-weight:300;
  line-height:1.7;
  color:var(--color-primary-dark);
}

.profile-block {
  padding-top:0;
  padding-bottom:56px;
}

.profile-block > p {
  color:var(--color-text-muted);
  line-height:1.8;
}

.ceo-card {
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:18px;
  padding:32px;
  box-shadow:0 18px 45px rgba(22,51,42,0.05);
}

.ceo-name {
  margin:0 0 20px;
  font-size:20px;
  font-weight:500;
  color:var(--color-primary-dark);
}

.ceo-list {
  margin:0;
  display:grid;
  grid-template-columns:130px 1fr;
  gap:12px 24px;
}

.ceo-list dt {
  font-size:12px;
  letter-spacing:1.2px;
  text-transform:uppercase;
  color:var(--color-accent);
  padding-top:3px;
}

.ceo-list dd {
  margin:0;
  color:var(--color-text-muted);
  line-height:1.8;
}

.timeline {
  list-style:none;
  margin:0;
  padding:0 0 0 22px;
  border-left:1px solid var(--color-border);
}

.timeline-item {
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:20px;
  padding:0 0 22px;
}

.timeline-item::before {
  content:"";
  position:absolute;
  left:-27px;
  top:7px;
  width:9px;
  height:9px;
  border-radius:999px;
  background:var(--color-primary);
}

.timeline-year {
  font-size:14px;
  color:var(--color-primary);
  letter-spacing:0.5px;
}

.timeline-text {
  color:var(--color-text-muted);
  line-height:1.7;
}

.biz-grid {
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:24px;
  margin-top:28px;
}

.biz-card {
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:14px;
  padding:26px 24px;
}

.biz-card h3 {
  margin:0 0 10px;
  font-size:16px;
  font-weight:500;
  color:var(--color-primary-dark);
}

.biz-card p {
  margin:0;
  font-size:14px;
  color:var(--color-text-muted);
  line-height:1.7;
}

.biz-points {
  margin:0;
  padding-left:18px;
  font-size:14px;
  color:var(--color-text-muted);
  line-height:1.7;
}

.biz-points li {
  margin-bottom:6px;
}

.biz-points li:last-child {
  margin-bottom:0;
}

.customers-section {
  padding-top:0;
}

.customer-grid {
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:24px;
  margin-top:24px;
}

.customer-block {
  background:var(--color-bg-alt);
  border-radius:14px;
  padding:24px;
}

.customer-label {
  display:inline-block;
  margin-bottom:10px;
  font-size:12px;
  letter-spacing:1.6px;
  text-transform:uppercase;
  color:var(--color-accent);
}

.customer-block p {
  margin:0;
  color:var(--color-text-muted);
  line-height:1.8;
}

.msa-formula {
  margin-top:22px;
  padding:18px 22px;
  background:var(--color-primary);
  color:#F2F3EF;
  border-radius:12px;
  font-size:15px;
  letter-spacing:0.6px;
  text-align:center;
}

.msa-name-list {
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
}

.msa-name-list li {
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:12px;
  padding:16px 20px;
  color:var(--color-text-muted);
  line-height:1.7;
  font-size:14px;
}

.patent-badge {
  display:inline-block;
  margin-top:8px;
  padding:8px 16px;
  border:1px solid var(--color-border);
  border-radius:999px;
  font-size:12px;
  color:var(--color-text-muted);
}

@media (max-width: 768px) {
  header {
    flex-direction:column;
    gap:12px;
    padding:16px 20px;
  }

  .lang-container,
  nav {
    position:static;
  }

  .lang-container { order:1; }
  .logo { order:2; }

  nav {
    order:3;
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:16px;
  }

  nav a {
    margin-left:0;
  }

  .hero {
    padding-top:72px;
  }

  .home-layout {
    grid-template-columns:1fr;
    gap:24px;
    padding:0 20px 80px;
  }

  .trust-strip-inner {
    flex-direction:column;
    align-items:flex-start;
  }

  .technology-section {
    padding:32px 24px 40px;
  }

  .contact-details-inner,
  .map-frame {
    padding:24px;
  }

  .map-frame iframe {
    height:280px;
  }

  .info-carousel {
    min-height:auto;
    padding:28px 28px 64px;
  }

  .info-track {
    min-height:220px;
  }

  .carousel-arrow {
    width:38px;
    height:38px;
  }

  .msa-steps,
  .msa-compare {
    grid-template-columns:1fr;
  }

  .philosophy-section {
    padding:32px 24px 40px;
  }

  .philosophy-quote {
    font-size:17px;
  }

  .ceo-card {
    padding:24px;
  }

  .ceo-list {
    grid-template-columns:1fr;
    gap:4px 0;
  }

  .ceo-list dd {
    margin-bottom:14px;
  }

  .timeline-item {
    grid-template-columns:1fr;
    gap:4px;
  }

  .biz-grid,
  .customer-grid {
    grid-template-columns:1fr;
  }
}