.opendb-page {
  --bg: #1c1d21;
  --bg-soft: #23252a;
  --bg-card: rgba(36, 38, 43, 0.92);
  --bg-card-strong: rgba(30, 32, 37, 0.96);
  --surface: rgba(255, 255, 255, 0.03);
  --line: rgba(73, 170, 255, 0.16);
  --line-strong: rgba(73, 170, 255, 0.3);
  --text: #eef2f7;
  --muted: #9aa6b2;
  --muted-strong: #cad5df;
  --primary: #2497ea;
  --primary-strong: #1978cb;
  --primary-soft: rgba(36, 151, 234, 0.14);
  --success: #4bc27b;
  --shadow: 0 26px 60px rgba(0, 0, 0, 0.32);
  --card-shadow: 0 20px 42px rgba(0, 0, 0, 0.26);
  --card-shadow-hover: 0 28px 56px rgba(0, 0, 0, 0.34);
  --opendb-blue: #49aaff;
  --opendb-blue-strong: #2497ea;
  --opendb-green: #4bc27b;
  --opendb-green-strong: #2e9e5d;
  --opendb-amber: #cc8b3d;
  --opendb-amber-strong: #9e6628;
  --opendb-panel: rgba(38, 40, 45, 0.9);
  --opendb-panel-strong: rgba(31, 33, 38, 0.97);
  --opendb-line: rgba(73, 170, 255, 0.16);
  --opendb-line-strong: rgba(73, 170, 255, 0.28);
  background:
    radial-gradient(circle at 50% -8%, rgba(73, 170, 255, 0.12), transparent 26%),
    linear-gradient(180deg, #24262b 0%, #1f2024 24%, #1d1e22 58%, #1b1c20 100%);
}

.opendb-page .site-shell::before {
  width: min(88rem, 96vw);
  height: 34rem;
  background:
    radial-gradient(circle at 50% 14%, rgba(73, 170, 255, 0.1), transparent 32%),
    radial-gradient(circle at 24% 10%, rgba(255, 255, 255, 0.04), transparent 24%);
}

.opendb-page::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 50% 8%, rgba(73, 170, 255, 0.08), transparent 24%),
    radial-gradient(circle at 85% 18%, rgba(76, 194, 123, 0.05), transparent 18%);
  background-size: 72px 72px, 72px 72px, auto, auto;
  opacity: 0.82;
}

.opendb-page::after {
  background:
    linear-gradient(180deg, rgba(18, 19, 22, 0.05), rgba(18, 19, 22, 0.3)),
    radial-gradient(circle at 50% 12%, rgba(255, 255, 255, 0.02), transparent 26%);
}

.opendb-page .network-bg {
  opacity: 0.18;
  mix-blend-mode: normal;
  filter: saturate(0.72);
}

.opendb-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(35, 37, 42, 0.96), rgba(31, 33, 38, 0.9));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
}

.opendb-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.opendb-brand,
.opendb-nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.opendb-brand {
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #f0f3f8;
}

.opendb-nav a {
  color: var(--muted);
  font-size: 0.94rem;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
}

.opendb-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.opendb-hero {
  padding: 3.4rem 0 1.1rem;
}

.opendb-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.opendb-hero-copy {
  max-width: none;
  width: 100%;
  scroll-margin-top: 6rem;
  padding: 1.15rem 0 0.4rem;
}

.opendb-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 0.5rem 0.86rem;
  border: 1px solid rgba(204, 139, 61, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(48, 38, 26, 0.96), rgba(41, 33, 24, 0.92));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    0 10px 24px rgba(0, 0, 0, 0.18),
    0 0 0 rgba(73, 170, 255, 0.16);
  color: #f4e1c2;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: opendb-kicker-glow 5.6s ease-in-out infinite;
}

.opendb-kicker::before {
  content: "beta";
  color: #16120c;
  background: linear-gradient(180deg, #d8a25a, #bb7b2b);
  border-radius: 4px;
  padding: 0.18rem 0.34rem;
  font-size: 0.92em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opendb-kicker::after {
  content: "";
  width: 0.42rem;
  height: 1em;
  border-radius: 1px;
  background: linear-gradient(180deg, #bce3ff, var(--opendb-blue));
  box-shadow: 0 0 10px rgba(73, 170, 255, 0.36);
  animation: opendb-kicker-caret 1.15s steps(1, end) infinite;
}

@keyframes opendb-kicker-glow {
  0%,
  100% {
    transform: translateY(0);
    border-color: rgba(204, 139, 61, 0.34);
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.02),
      0 10px 24px rgba(0, 0, 0, 0.18),
      0 0 0 rgba(73, 170, 255, 0.1);
  }

  50% {
    transform: translateY(-1px);
    border-color: rgba(73, 170, 255, 0.34);
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.04),
      0 14px 30px rgba(0, 0, 0, 0.22),
      0 0 18px rgba(73, 170, 255, 0.12);
  }
}

@keyframes opendb-kicker-caret {
  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0.18;
  }
}

.opendb-hero-copy h1 {
  margin: 1rem 0 0;
  font-family: "Space Grotesk", sans-serif;
  color: #f1f4f8;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: none;
}

.opendb-hero-copy p,
.opendb-feature-card p,
.faq-item p {
  color: #b7c1cb;
  line-height: 1.5;
  font-size: 0.88rem;
}

.opendb-hero-copy p {
  max-width: none;
  font-size: 0.98rem;
  line-height: 1.6;
}

.opendb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.opendb-hero-version {
  margin: 0.9rem 0 0;
  color: #9aa6b2;
  font-size: 0.88rem;
}

.opendb-hero-version strong {
  color: #e9eef5;
  font-weight: 700;
}

.opendb-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.opendb-button-copy {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.12rem;
  text-align: left;
}

.opendb-button-copy small {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.82;
}

.opendb-button:hover {
  transform: translateY(-2px);
}

.opendb-button.is-primary {
  border-color: rgba(73, 170, 255, 0.34);
  background: linear-gradient(180deg, var(--opendb-blue), var(--opendb-blue-strong));
  color: #eef8ff;
  box-shadow: 0 14px 28px rgba(25, 120, 203, 0.22);
}

.opendb-button.is-ghost {
  background: linear-gradient(180deg, rgba(45, 47, 53, 0.92), rgba(38, 40, 45, 0.92));
  border-color: rgba(255, 255, 255, 0.08);
  color: #dfe6ed;
}

.opendb-feature-card,
.opendb-strip-inner,
.opendb-window,
.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(39, 41, 46, 0.96), rgba(31, 33, 38, 0.96));
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

.opendb-mini-card strong {
  display: block;
  font-size: 1.05rem;
}

.opendb-mini-card small,
.opendb-window small,
.opendb-ai-card small {
  color: #8e9aa7;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opendb-stage {
  position: relative;
}

.opendb-window {
  overflow: hidden;
  border-radius: 14px;
}

.opendb-window-bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(43, 45, 51, 0.98), rgba(37, 39, 44, 0.98));
}

.opendb-window-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
}

.opendb-window-bar span:nth-child(1) { background: #ff7d66; }
.opendb-window-bar span:nth-child(2) { background: #ffcf58; }
.opendb-window-bar span:nth-child(3) { background: #2fd081; }

.opendb-window-body {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 540px;
}

.opendb-sidebar-mock {
  padding: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(32, 34, 39, 0.9);
}

.opendb-sidebar-title,
.opendb-tree-item,
.opendb-tabline span,
.opendb-code-panel code,
.opendb-ai-card p {
  font-family: "Space Grotesk", sans-serif;
}

.opendb-sidebar-title {
  margin-bottom: 1rem;
  color: #d7e0ea;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.opendb-tree-item {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: #97a5b5;
  font-size: 0.94rem;
}

.opendb-tree-item.is-active {
  background: rgba(73, 170, 255, 0.14);
  box-shadow: inset 2px 0 0 var(--opendb-blue);
  color: #eef6ff;
}

.opendb-main-mock {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.opendb-tabline {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.opendb-tabline span {
  padding: 0.58rem 0.84rem;
  border-radius: 8px 8px 0 0;
  background: rgba(255, 255, 255, 0.03);
  color: #98a5b3;
  font-size: 0.9rem;
}

.opendb-tabline .is-active {
  background: rgba(73, 170, 255, 0.1);
  box-shadow: inset 0 2px 0 var(--opendb-blue);
  color: #edf6ff;
}

.opendb-code-panel,
.opendb-ai-card {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  background: rgba(26, 27, 31, 0.92);
}

.opendb-code-panel code {
  display: block;
  margin-top: 0.7rem;
  color: #ddeaff;
  font-size: 0.97rem;
  line-height: 1.72;
}

.opendb-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.opendb-mini-card {
  padding: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(40, 42, 47, 0.96), rgba(34, 36, 40, 0.96));
}

.opendb-ai-card p {
  margin: 0.55rem 0 0;
  color: #e7edf4;
}

.opendb-section {
  padding: 1.2rem 0 0.8rem;
}

.opendb-ai-section {
  padding: 0.8rem 0 1.2rem;
}

.opendb-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: 22px;
}

.opendb-strip-inner span {
  color: #c5d0db;
  font-size: 0.95rem;
  line-height: 1.6;
}

.opendb-section-head {
  max-width: 52rem;
  margin-bottom: 1rem;
}

.opendb-section-head h2,
.opendb-section-head h2 {
  margin: 0.75rem 0 0;
  font-size: clamp(0.725rem, 1.15vw, 1.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: #eff3f8;
}

.opendb-feature-grid,
.opendb-faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.opendb-screenshot-grid {
  position: relative;
}

.opendb-carousel {
  position: relative;
}

.opendb-carousel-viewport {
  overflow: hidden;
  border-radius: 14px;
}

.opendb-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.opendb-screenshot-card {
  margin: 0;
  min-width: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(39, 41, 46, 0.98), rgba(31, 33, 38, 0.98));
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.26);
}

.opendb-screenshot-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.opendb-carousel-control {
  position: absolute;
  top: calc(50% - 22px);
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(36, 38, 43, 0.94);
  color: #edf5ff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.opendb-carousel-control:hover {
  background: rgba(45, 47, 53, 0.98);
  transform: translateY(-1px);
}

.opendb-carousel-control.is-prev {
  left: 0.75rem;
}

.opendb-carousel-control.is-next {
  right: 0.75rem;
}

.opendb-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.opendb-carousel-dot {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

.opendb-carousel-dot.is-active {
  transform: scale(1.18);
  background: rgba(73, 170, 255, 0.95);
}

.opendb-feature-card,
.faq-item {
  padding: 0.8rem;
  border-radius: 12px;
}

.opendb-feature-card strong,
.faq-item summary {
  font-size: 0.95rem;
  font-weight: 700;
  color: #eef2f7;
}

.opendb-feature-card ul {
  margin: 0.55rem 0 0;
  padding-left: 1rem;
  color: #c4cfda;
  line-height: 1.5;
  font-size: 0.9rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] {
  border-color: rgba(73, 170, 255, 0.22);
}

@media (max-width: 1080px) {
  .opendb-hero-grid,
  .opendb-strip-inner,
  .opendb-feature-grid,
  .opendb-faq-grid {
    grid-template-columns: 1fr;
  }

  .opendb-window-body {
    grid-template-columns: 1fr;
  }

  .opendb-sidebar-mock {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
}

@media (max-width: 760px) {
  .opendb-topbar-inner,
  .opendb-nav,
  .opendb-hero-actions,
  .opendb-dashboard-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .opendb-nav {
    display: none;
  }

  .opendb-hero {
    padding-top: 3.8rem;
  }

  .opendb-window-body {
    min-height: auto;
  }

  .opendb-carousel-control {
    width: 38px;
    height: 38px;
  }
}