:root {
  --dark-gray: #2a2a2a;
  --black: #000000;
  --light-gray: #e8e8e8;
  --white: #ffffff;
  --accent-color: #a2d5c6;
  --accent-light: #c8e6dc;
  --muted-text: #999999;
  --sidebar-bg1: rgba(232, 232, 232, 0.1);
  --sidebar-bg2: rgba(162, 213, 198, 0.2);
  --card-bg: rgba(255, 255, 255, 0.05);
  --surface-bg: rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

body.page-roboto {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.page-roboto {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--dark-gray);
  color: var(--white);
  line-height: 1.6;
}

a {
  color: var(--accent-light);
  text-decoration: none;
}

a:hover {
  color: var(--white);
}

.wrap {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(42, 42, 42, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sidebar-bg1);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 13px;
}

.topbar .brand-mark {
  color: var(--white);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
}

.topbar .brand-mark:hover {
  color: var(--accent-light);
}

.topbar .topbar-ii-logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  font-size: 0;
  letter-spacing: 0;
  text-transform: none;
}

.topbar .topbar-ii-logo img {
  display: block;
  height: 28px;
  width: auto;
  max-width: min(300px, 52vw);
  object-fit: contain;
}

.topbar .topbar-ii-logo:hover img {
  opacity: 0.92;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 12px rgba(162, 213, 198, 0.8);
}

.hero {
  padding: 72px 0 36px;
}

.kicker {
  display: inline-block;
  border: 1px solid var(--sidebar-bg1);
  background: var(--surface-bg);
  color: var(--accent-light);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  max-width: 900px;
}

.lead {
  margin-top: 16px;
  color: var(--light-gray);
  max-width: 820px;
  font-size: 18px;
}

.stats {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat {
  background: var(--card-bg);
  border: 1px solid var(--sidebar-bg1);
  border-radius: 14px;
  padding: 16px;
}

.stat strong {
  display: block;
  font-size: 26px;
  line-height: 1.15;
  color: var(--accent-color);
}

.section {
  padding: 20px 0 8px;
}

.section h2 {
  margin: 0 0 14px 0;
  font-size: 28px;
}

.section-title-image {
  display: block;
  width: min(600px, 100%);
  height: auto;
  margin: 0 0 14px 0;
}

.whois-sai-heading {
  margin: 0 0 14px 0;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.02em;
}

.whois-sai-intro {
  margin-top: 4px;
}

.whois-sai-intro-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(300px, 34%);
  gap: 22px;
  align-items: start;
  border: 1px solid var(--sidebar-bg1);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--surface-bg);
}

.whois-sai-intro-inner .section-copy {
  max-width: none;
  margin: 0;
}

.whois-sai-intro-inner .section-copy + .section-copy {
  margin-top: 16px;
}

/* Standalone prose panels (no two-column “text + image” grid). */
.about-prose-panel {
  margin-top: 4px;
  border: 1px solid var(--sidebar-bg1);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--surface-bg);
}

.about-prose-panel .section-copy {
  max-width: none;
  margin: 0;
}

.about-prose-panel .section-copy + .section-copy {
  margin-top: 16px;
}

.whois-sai-intro + .about-grid {
  margin-top: 18px;
}

.whois-sai-intro-visual {
  margin: 0;
}

.whois-sai-intro-visual img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--sidebar-bg1);
  background: var(--black);
  display: block;
}

.section-copy {
  color: var(--light-gray);
  max-width: 900px;
}

.section > .section-copy + .section-copy {
  margin-top: 16px;
}

.products {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--sidebar-bg1);
  border-radius: 16px;
  padding: 18px;
}

.product-card h3 {
  margin: 0 0 8px 0;
  font-size: 20px;
}

.product-card h3.product-card-heading {
  margin: 0 0 12px 0;
  font-size: 0;
  line-height: 0;
}

.product-card h3.product-card-heading img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 52px;
  object-fit: contain;
  object-position: left center;
}

.product-meta {
  color: var(--muted-text);
  font-size: 13px;
  margin-bottom: 12px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pill {
  background: var(--sidebar-bg2);
  border: 1px solid var(--sidebar-bg1);
  color: var(--accent-light);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
}

ul {
  margin: 0;
  padding-left: 18px;
  color: var(--light-gray);
}

li + li {
  margin-top: 6px;
}

.about-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.about-box {
  border: 1px solid var(--sidebar-bg1);
  border-radius: 12px;
  background: var(--surface-bg);
  padding: 14px;
  color: var(--light-gray);
}

.meta-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted-text);
}

.feature-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-strip img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--sidebar-bg1);
  background: var(--surface-bg);
  display: block;
}

.whois-sai-images {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.whois-sai-images img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--sidebar-bg1);
  background: var(--surface-bg);
  display: block;
}

.footer {
  margin-top: 36px;
  padding: 18px 0 32px;
  color: var(--muted-text);
  font-size: 13px;
  border-top: 1px solid var(--sidebar-bg1);
  display: grid;
  place-items: center;
  gap: 12px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: center;
  margin: 0;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-text);
  transition: color 140ms ease, opacity 140ms ease;
}

.footer-social-link:hover {
  color: var(--accent-light);
}

.footer-social-icon {
  display: block;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.96;
  transition: opacity 140ms ease;
}

.footer-brand:hover {
  opacity: 1;
}

.footer-brand img {
  display: block;
  width: min(560px, 100%);
  height: auto;
}

.footer-inquiries {
  margin: 0;
  font-size: 13px;
}

.frontend-gate .panel {
  max-width: 520px;
  margin: 48px auto;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--sidebar-bg1);
  background: var(--surface-bg);
}

.frontend-gate .panel p {
  color: var(--light-gray);
  margin: 0 0 16px 0;
}

.frontend-gate .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.frontend-gate .actions a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--sidebar-bg1);
  background: var(--card-bg);
  font-weight: 600;
}

@media (max-width: 860px) {
  .stats,
  .about-grid,
  .whois-sai-images,
  .feature-strip {
    grid-template-columns: 1fr;
  }

  .whois-sai-intro-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }
}

@media (max-width: 520px) {
  .whois-sai-heading {
    font-size: clamp(22px, 5.5vw, 28px);
  }
}