body {
  background: radial-gradient(1300px 600px at 20% -10%, #172945 0%, transparent 60%),
    radial-gradient(900px 480px at 100% 0%, #2a173f 0%, transparent 58%),
    var(--color-bg);
  position: relative;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  z-index: 0;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.22;
}

.ambient-one {
  width: 420px;
  height: 420px;
  background: linear-gradient(140deg, var(--color-teal), var(--color-blue));
  top: -120px;
  right: -80px;
}

.ambient-two {
  width: 460px;
  height: 460px;
  background: linear-gradient(170deg, var(--color-pink), var(--color-orange));
  bottom: -180px;
  left: -130px;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-top: 20px;
  padding-bottom: 20px;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  border-radius: 0;
  border: 1px solid rgba(160, 204, 255, 0.22);
  border-top: 0;
  background:
    linear-gradient(125deg, rgba(126, 255, 232, 0.14), rgba(112, 158, 255, 0.12) 45%, rgba(244, 95, 196, 0.11)),
    linear-gradient(180deg, rgba(8, 14, 28, 0.72), rgba(8, 14, 28, 0.58));
  backdrop-filter: blur(16px) saturate(145%);
  -webkit-backdrop-filter: blur(16px) saturate(145%);
  box-shadow: 0 10px 30px rgba(5, 9, 16, 0.34);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(
    130deg,
    #7effe8 0%,
    #6f9eff 30%,
    #f45fc4 58%,
    #ff9a65 78%,
    #7effe8 100%
  );
  background-size: 220% 220%;
  box-shadow:
    0 0 0 5px rgba(46, 117, 255, 0.18),
    0 0 16px rgba(126, 255, 232, 0.38);
  animation: brandDotGradient 5.8s ease-in-out infinite, brandDotPulse 2.6s ease-in-out infinite;
}

.top-nav {
  display: inline-flex;
  justify-content: center;
  gap: 22px;
}

.top-nav a,
.nav-cta {
  color: var(--color-text-soft);
  text-decoration: none;
  font-weight: 600;
}

.top-nav a {
  position: relative;
  transition: color var(--motion-standard);
}

.top-nav a:hover,
.nav-cta:hover {
  color: var(--color-text);
}

.top-nav a.active {
  color: var(--color-text);
}

.top-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-teal), var(--color-blue));
}

.nav-cta {
  border: 1px solid var(--color-line);
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  transition: color var(--motion-standard), border-color var(--motion-standard), transform var(--motion-standard);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.nav-cta--ghost {
  color: var(--color-text);
}

.nav-cta--primary {
  color: #06111e;
  border-color: transparent;
  background: linear-gradient(135deg, #63ffdf 0%, #5f99ff 100%);
  box-shadow: var(--shadow-soft);
}

.nav-cta--primary:hover {
  color: #06111e;
}

.nav-cta.active {
  border-color: rgba(160, 204, 255, 0.5);
}

.nav-cta:hover {
  border-color: rgba(158, 198, 255, 0.36);
  transform: translateY(-1px);
}

main {
  padding-bottom: 80px;
}

code {
  font-family: "SFMono-Regular", ui-monospace, "Menlo", "Consolas", monospace;
}

.hero {
  min-height: min(86vh, 760px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-display-xl);
  line-height: 1.03;
  max-width: 12ch;
}

.hero-subtext {
  color: var(--color-text-soft);
  font-size: var(--text-body-lg);
  line-height: 1.58;
  max-width: 60ch;
  margin: 20px 0 24px;
}

.hero-product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.hero-product-tab {
  cursor: pointer;
}

.hero-product-tab.active {
  color: #07131f;
  background: linear-gradient(135deg, #7effe8, #719eff);
  border-color: transparent;
}

.hero-product-detail {
  padding: 14px;
  margin-bottom: 18px;
}

.hero-product-detail h3 {
  margin: 0;
  font-family: var(--font-display);
}

.hero-product-detail p {
  margin: 8px 0 0;
  color: var(--color-text-soft);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-tags {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.surface-mode-picker {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.picker-label {
  color: var(--color-text-soft);
  font-size: var(--text-meta);
  font-weight: 700;
  margin-right: 2px;
}

.hero-stack {
  position: relative;
  width: min(100%, 420px);
  height: 360px;
  margin-inline: auto;
  perspective: 1200px;
  transform-style: preserve-3d;
  overflow: visible;
}

.hero-stack::before,
.hero-stack::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 1;
  filter: blur(26px);
  opacity: 0.22;
}

.hero-stack::before {
  inset: 10% 12% 24% 12%;
  background: radial-gradient(circle at 35% 30%, rgba(126, 255, 232, 0.34), rgba(126, 255, 232, 0));
}

.hero-stack::after {
  inset: 28% 8% 6% 8%;
  background: radial-gradient(circle at 68% 62%, rgba(140, 95, 255, 0.28), rgba(140, 95, 255, 0));
}

.hero-logo-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 0;
  padding: 0;
  width: min(62%, 230px);
  background: transparent;
  border-radius: 16px;
  cursor: pointer;
  transition:
    transform 420ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 320ms ease,
    box-shadow 320ms ease,
    filter 320ms ease;
  will-change: transform, opacity;
}

.hero-logo-btn img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  animation: float 8s ease-in-out infinite;
  opacity: 0.92;
}

.hero-logo-btn:nth-child(2) img {
  animation-delay: -2s;
}

.hero-logo-btn:nth-child(3) img {
  animation-delay: -4s;
}

.hero-logo-btn:nth-child(4) img {
  animation-delay: -6s;
}

.hero-logo-btn[data-carousel-slot="front"] {
  transform: translate3d(-50%, -50%, 120px) rotateY(0deg) scale(1.08);
  z-index: 4;
  opacity: 1;
}

.hero-logo-btn[data-carousel-slot="right"] {
  transform: translate3d(8%, -50%, 10px) rotateY(-36deg) scale(0.9);
  z-index: 3;
  opacity: 0.9;
  filter: saturate(0.95);
}

.hero-logo-btn[data-carousel-slot="back"] {
  transform: translate3d(-50%, -65%, -80px) rotateY(0deg) scale(0.72);
  z-index: 2;
  opacity: 0.78;
  filter: saturate(0.85) brightness(0.86);
}

.hero-logo-btn[data-carousel-slot="left"] {
  transform: translate3d(-108%, -50%, 10px) rotateY(36deg) scale(0.9);
  z-index: 3;
  opacity: 0.9;
  filter: saturate(0.95);
}

.hero-logo-btn[data-carousel-slot="front"] img,
.hero-logo-btn:hover img {
  opacity: 1;
}

.hero-logo-btn[data-carousel-slot="front"] {
  box-shadow: 0 0 0 2px rgba(126, 255, 232, 0.52);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes brandDotGradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes brandDotPulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow:
      0 0 0 5px rgba(46, 117, 255, 0.18),
      0 0 12px rgba(126, 255, 232, 0.32);
  }
  50% {
    transform: scale(1.08);
    box-shadow:
      0 0 0 6px rgba(244, 95, 196, 0.2),
      0 0 20px rgba(111, 158, 255, 0.45);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-dot {
    animation: none;
  }
}

.section {
  margin-top: 72px;
}

.section-head {
  display: grid;
  gap: 2px;
}

.page-hero {
  margin-top: 22px;
  padding: 26px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background: linear-gradient(160deg, rgba(106, 255, 223, 0.12), rgba(86, 129, 255, 0.06) 38%, rgba(248, 95, 196, 0.05));
}

.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.8vw, 3.2rem);
  line-height: 1.06;
  max-width: 16ch;
}

.page-subtext {
  margin: 14px 0 0;
  max-width: 70ch;
  color: var(--color-text-soft);
  line-height: 1.58;
  font-size: var(--text-body-lg);
}

.product-grid,
.architecture-grid,
.package-grid,
.preset-grid,
.addon-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card,
.preset-card,
.package-card,
.addon-card,
.architecture-grid article {
  padding: 18px;
}

.product-card img {
  width: 100%;
  max-width: 140px;
  border-radius: 12px;
  display: block;
  margin-bottom: 12px;
}

.product-card h3,
.preset-card h3,
.package-card h3,
.addon-card h3,
.architecture-grid h3,
.cta h2 {
  margin: 0;
  font-family: var(--font-display);
}

.product-card h3,
.preset-card h3,
.package-card h3,
.addon-card h3 {
  font-size: 1.1rem;
}

.product-card p,
.preset-card p,
.package-card p,
.addon-card p,
.architecture-grid p,
.cta p {
  color: var(--color-text-soft);
  line-height: 1.55;
}

.product-card p,
.preset-card p,
.package-card p,
.addon-card p,
.architecture-grid p {
  margin: 10px 0 0;
}

.preset-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.filter-chip {
  font-weight: 700;
  cursor: pointer;
}

.filter-chip.active,
.style-chip.active {
  color: #07131f;
  background: linear-gradient(135deg, #7effe8, #719eff);
  border-color: transparent;
}

.preset-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preset-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.provider-pill {
  font-size: 0.78rem;
  font-weight: 800;
  color: #08141f;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #7fffe3, #6f9eff);
}

.mode-list,
.scope-list {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mode-list span,
.scope-list span {
  font-size: var(--text-micro);
}

.architecture-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.package-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.addon-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.package-meta {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.package-meta span {
  font-size: 0.84rem;
  color: var(--color-text-soft);
}

.card-actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.price-tag {
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 1.36rem;
  color: #f4f8ff;
}

.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.table-wrap th {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.table-wrap td {
  color: #dce8ff;
  font-size: 0.94rem;
}

.table-wrap tbody tr:hover td {
  background: rgba(112, 153, 255, 0.07);
}

.split-grid,
.info-grid,
.contact-layout {
  display: grid;
  gap: 16px;
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
}

.text-card {
  padding: 20px;
}

.text-card h3 {
  margin: 0;
  font-family: var(--font-display);
}

.text-card p {
  margin: 10px 0 0;
  color: var(--color-text-soft);
  line-height: 1.58;
}

.code-block,
.code-inline {
  margin: 0;
}

.code-block {
  margin-top: 20px;
  padding: 18px;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  overflow-x: auto;
  line-height: 1.55;
}

.code-inline {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 185, 255, 0.28);
  background: rgba(6, 12, 22, 0.62);
  overflow-x: auto;
  font-size: 0.82rem;
}

.endpoint-list {
  margin-top: 24px;
  padding: 20px;
  display: grid;
  gap: 10px;
}

.endpoint-list p {
  margin: 0;
  color: var(--color-text-soft);
}

.chip-cloud {
  margin-top: 24px;
  padding: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.doc-list {
  margin-top: 24px;
  padding: 20px;
  display: grid;
  gap: 10px;
}

.doc-list a {
  color: #dbe8ff;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(11, 19, 33, 0.52);
  transition: border-color var(--motion-standard), transform var(--motion-standard), background var(--motion-standard);
}

.doc-list a:hover {
  border-color: rgba(156, 197, 255, 0.35);
  transform: translateX(2px);
  background: rgba(14, 24, 42, 0.82);
}

.legal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  align-items: start;
}

.legal-toc {
  padding: 18px;
  display: grid;
  gap: 8px;
  position: sticky;
  top: 16px;
}

.legal-toc h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1rem;
}

.legal-toc a {
  color: var(--color-text-soft);
  text-decoration: none;
  font-size: 0.92rem;
}

.legal-toc a:hover {
  color: var(--color-text);
}

.legal-doc h3 {
  margin-top: 20px;
}

.legal-doc h3:first-child {
  margin-top: 0;
}

.legal-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--color-text-soft);
  line-height: 1.58;
}

.legal-warning {
  border-color: rgba(255, 186, 128, 0.36);
}

.legal-checklist {
  margin-top: 6px;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.legal-head {
  font-size: 0.88rem;
  color: #ddebff;
}

.agreement-group {
  display: grid;
  gap: 8px;
}

.agreement-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-soft);
  font-size: 0.88rem;
}

.agreement-row a {
  color: #dce9ff;
}

.legal-note {
  margin: 0;
}

.contact-layout {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.download-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  padding: 20px;
}

.download-card h3 {
  margin: 0;
  font-family: var(--font-display);
}

.download-card p {
  margin: 10px 0 18px;
  color: var(--color-text-soft);
  line-height: 1.58;
}

.form-shell,
.contact-aside {
  padding: 22px;
}

.contact-form {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-row input[type="checkbox"] {
  margin-top: 3px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid rgba(171, 195, 236, 0.28);
  border-radius: var(--radius-md);
  background: rgba(7, 12, 23, 0.7);
  color: var(--color-text);
  font: inherit;
  padding: 11px 12px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(96, 209, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(96, 209, 255, 0.14);
}

.contact-form button[disabled] {
  opacity: 0.7;
  cursor: wait;
}

.key-result-shell {
  padding: 22px;
}

.key-result-shell h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
}

.status-text {
  margin: 0;
}

.status-success {
  color: #7df5c8;
}

.status-error {
  color: #ff9bb8;
}

.playground-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.response-shell {
  min-height: 100%;
}

.response-output {
  margin-top: 12px;
  min-height: 340px;
  max-height: 560px;
  overflow: auto;
  border: 1px solid rgba(156, 190, 250, 0.24);
  background: rgba(6, 12, 22, 0.62);
}

.contact-aside h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
}

.contact-aside p {
  color: var(--color-text-soft);
  line-height: 1.58;
}

.list-clean {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.list-clean li {
  color: var(--color-text-soft);
  padding-left: 15px;
  position: relative;
}

.list-clean li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(140deg, var(--color-teal), var(--color-blue));
}

.muted {
  color: var(--color-text-soft);
  font-size: 0.88rem;
}

.cta {
  margin-top: 84px;
  border-radius: var(--radius-xl);
  padding: 36px;
}

.cta h2 {
  font-size: clamp(1.4rem, 3vw, 2.5rem);
}

.cta p {
  margin: 14px 0 24px;
}

.site-footer {
  margin: 34px auto 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
  color: var(--color-text-soft);
  font-size: 0.86rem;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 16px;
  }

  .hero-stack {
    width: min(100%, 380px);
    height: 320px;
  }

  .product-grid,
  .preset-grid,
  .architecture-grid,
  .package-grid,
  .addon-grid,
  .split-grid,
  .info-grid,
  .legal-layout,
  .contact-layout,
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 12px;
  }

  .top-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 14px;
  }

  .nav-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .hero-stack {
    width: min(100%, 320px);
    height: 280px;
  }

  .hero-logo-btn {
    width: min(66%, 200px);
  }

  .hero-logo-btn[data-carousel-slot="right"] {
    transform: translate3d(2%, -50%, 10px) rotateY(-30deg) scale(0.88);
  }

  .hero-logo-btn[data-carousel-slot="left"] {
    transform: translate3d(-102%, -50%, 10px) rotateY(30deg) scale(0.88);
  }

  .hero h1 {
    max-width: 16ch;
  }

  .hero-stack,
  .product-grid,
  .preset-grid,
  .architecture-grid,
  .package-grid,
  .addon-grid,
  .split-grid,
  .info-grid,
  .legal-layout,
  .contact-layout,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
  }

  .page-hero,
  .form-shell,
  .contact-aside {
    padding: 18px;
  }

  .table-wrap table {
    min-width: 560px;
  }

  .cta {
    padding: 24px;
  }
}