:root {
  --bg: #0b0f16;
  --bg-2: #0f1724;
  --bg-gradient:
    radial-gradient(1100px circle at 12% 15%, rgba(255, 111, 60, 0.22), transparent 60%),
    radial-gradient(900px circle at 90% -10%, rgba(92, 214, 199, 0.18), transparent 60%),
    radial-gradient(800px circle at 80% 80%, rgba(117, 200, 255, 0.14), transparent 60%),
    linear-gradient(180deg, #0b0f16 0%, #0c141f 45%, #0a0f15 100%);
  --surface: rgba(17, 24, 35, 0.88);
  --surface-2: rgba(24, 33, 47, 0.9);
  --surface-3: rgba(28, 40, 56, 0.92);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f2eee5;
  --muted: #b9b2a6;
  --accent: #ff6f3c;
  --accent-2: #5cd6c7;
  --accent-3: #ffd166;
  --cool: #75c8ff;
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --backdrop-opacity: 0.35;
  --backdrop-blend: soft-light;
  --orb-1-bg: radial-gradient(circle at 30% 30%, rgba(255, 111, 60, 0.7), transparent 65%);
  --orb-2-bg: radial-gradient(circle at 40% 40%, rgba(92, 214, 199, 0.6), transparent 70%);
  --orb-3-bg: radial-gradient(circle at 50% 50%, rgba(117, 200, 255, 0.55), transparent 70%);
  --nav-bg: rgba(10, 14, 22, 0.78);
  --nav-border: rgba(255, 255, 255, 0.06);
  --footer-bg: rgba(5, 8, 12, 0.6);
  --pre-bg: rgba(9, 12, 18, 0.7);
  --overlay-bg: rgba(6, 10, 16, 0.92);
  --toolbar-bg: rgba(10, 14, 22, 0.9);
  --control-bg: rgba(17, 24, 35, 0.9);
  --zoom-btn-bg: rgba(11, 17, 26, 0.75);
  --zoom-btn-border: rgba(255, 255, 255, 0.25);
  --toggle-bg: rgba(17, 24, 35, 0.7);
  --toggle-border: rgba(255, 255, 255, 0.2);
  --table-head-bg: rgba(255, 255, 255, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg-gradient);
  font-family: "IBM Plex Sans", "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

body.theme-light {
  --bg-gradient:
    radial-gradient(900px circle at 10% 10%, rgba(255, 197, 143, 0.35), transparent 62%),
    radial-gradient(800px circle at 88% 0%, rgba(76, 196, 182, 0.22), transparent 60%),
    radial-gradient(700px circle at 85% 85%, rgba(117, 200, 255, 0.18), transparent 60%),
    linear-gradient(180deg, #f6f7fb 0%, #f1f4f8 45%, #e9eef5 100%);
  --surface: rgba(255, 255, 255, 0.85);
  --surface-2: rgba(249, 250, 252, 0.94);
  --surface-3: rgba(244, 246, 249, 0.96);
  --line: rgba(15, 23, 35, 0.12);
  --text: #1b1f24;
  --muted: #4f5d6b;
  --shadow: 0 22px 40px rgba(15, 23, 35, 0.15);
  --backdrop-opacity: 0.2;
  --backdrop-blend: multiply;
  --orb-1-bg: radial-gradient(circle at 30% 30%, rgba(255, 153, 109, 0.45), transparent 65%);
  --orb-2-bg: radial-gradient(circle at 40% 40%, rgba(76, 196, 182, 0.38), transparent 70%);
  --orb-3-bg: radial-gradient(circle at 50% 50%, rgba(117, 200, 255, 0.35), transparent 70%);
  --nav-bg: rgba(248, 250, 252, 0.9);
  --nav-border: rgba(15, 23, 35, 0.08);
  --footer-bg: rgba(238, 242, 247, 0.9);
  --pre-bg: rgba(255, 255, 255, 0.92);
  --overlay-bg: rgba(244, 247, 251, 0.96);
  --toolbar-bg: rgba(248, 250, 252, 0.95);
  --control-bg: rgba(255, 255, 255, 0.92);
  --zoom-btn-bg: rgba(255, 255, 255, 0.85);
  --zoom-btn-border: rgba(15, 23, 35, 0.15);
  --toggle-bg: rgba(255, 255, 255, 0.9);
  --toggle-border: rgba(15, 23, 35, 0.15);
  --table-head-bg: rgba(15, 23, 35, 0.06);
}

body.zoom-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: 24px;
  top: -48px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.85rem;
  z-index: 20;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.backdrop {
  position: fixed;
  inset: 0;
  background: url("assets/grid-texture.svg") repeat;
  opacity: var(--backdrop-opacity);
  mix-blend-mode: var(--backdrop-blend, soft-light);
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.7;
  z-index: 0;
}

.orb-1 {
  width: 280px;
  height: 280px;
  left: -80px;
  top: 120px;
  background: var(--orb-1-bg);
}

.orb-2 {
  width: 360px;
  height: 360px;
  right: -120px;
  top: 420px;
  background: var(--orb-2-bg);
}

.orb-3 {
  width: 260px;
  height: 260px;
  right: 20px;
  bottom: -80px;
  background: var(--orb-3-bg);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(12px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.logo img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a {
  padding: 6px 0;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent-2);
  transition: width 0.25s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--muted);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.menu-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.menu-toggle[aria-expanded="true"] {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 4px;
}

.menu-icon svg {
  width: 18px;
  height: 18px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 4px;
}

.theme-icon {
  display: grid;
  place-items: center;
}

.theme-icon svg {
  width: 18px;
  height: 18px;
}

.icon-moon {
  display: none;
}

body.theme-light .icon-sun {
  display: none;
}

body.theme-light .icon-moon {
  display: grid;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-family: "Space Grotesk", sans-serif;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), #ff884c);
  color: #1b0f08;
  box-shadow: 0 18px 30px rgba(255, 111, 60, 0.35);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text);
}

.btn.small {
  padding: 10px 16px;
  font-size: 0.85rem;
  border-color: rgba(255, 255, 255, 0.18);
}

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

main {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 80px 6vw 60px;
}

.hero-copy h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.6rem, 3.8vw, 4.2rem);
  line-height: 1.05;
  margin: 14px 0 16px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
}

.cta {
  display: flex;
  gap: 16px;
  margin: 26px 0 30px;
  flex-wrap: wrap;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2.2px;
  font-size: 0.75rem;
  color: var(--accent-2);
  margin: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.stat-value {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  color: var(--accent-3);
}

.stat-label {
  color: var(--muted);
  font-size: 0.85rem;
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  gap: 20px;
}

.hero-art img {
  width: 100%;
  border-radius: 28px;
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}

.hero-card {
  position: absolute;
  right: -10px;
  bottom: -28px;
  width: min(280px, 80%);
  background: var(--surface-2);
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  margin-bottom: 12px;
}

.card-body {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.card-foot {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

.chip {
  font-size: 0.7rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.section {
  padding: 90px 6vw 70px;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  left: 6vw;
  right: 6vw;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(92, 214, 199, 0.45), transparent);
  opacity: 0.6;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 12px 0;
}

.section-head p {
  color: var(--muted);
}

.doc-link {
  margin-top: 14px;
  font-size: 0.9rem;
}

.doc-link a {
  color: var(--accent-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.doc-link a:hover {
  color: var(--accent-3);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.tour-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-color: rgba(92, 214, 199, 0.35);
  background:
    radial-gradient(160px circle at top right, rgba(92, 214, 199, 0.18), transparent 65%),
    var(--surface);
}

body.theme-light .tour-panel {
  border-color: rgba(15, 23, 35, 0.2);
  background:
    radial-gradient(160px circle at top right, rgba(92, 214, 199, 0.2), transparent 65%),
    var(--surface);
}

.tour-panel .btn {
  align-self: flex-start;
}

.diagram-panel {
  padding: 20px;
}

.diagram-frame {
  position: relative;
}

.diagram-frame img {
  border-radius: 18px;
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
}

.zoom-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  border-radius: 999px;
  border: 1px solid var(--zoom-btn-border);
  padding: 8px 14px;
  background: var(--zoom-btn-bg);
  color: var(--text);
  font-size: 0.75rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  font-family: "Space Grotesk", sans-serif;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.zoom-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.zoom-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  display: grid;
  grid-template-rows: auto 1fr;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}

.zoom-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.zoom-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 6vw;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.zoom-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zoom-level {
  font-size: 0.85rem;
  color: var(--muted);
}

.zoom-control {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--control-bg);
  color: var(--text);
  padding: 6px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.zoom-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.zoom-control:hover:not(:disabled) {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.zoom-stage {
  padding: 24px 6vw 40px;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.zoom-image {
  --zoom: 1;
  width: calc(100% * var(--zoom));
  height: auto;
  max-width: none;
  border-radius: 18px;
  box-shadow: var(--shadow);
  background: var(--surface-2);
}

.panel h3 {
  margin-top: 0;
  font-family: "Space Grotesk", sans-serif;
}

.steps {
  display: grid;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.step-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  color: var(--accent-2);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.service-card {
  background: var(--surface-3);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.25);
  animation: rise 0.8s ease both;
  animation-delay: var(--delay);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-card h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(92, 214, 199, 0.4);
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.3);
}

.service-card:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 4px;
}

.service-card p {
  color: var(--muted);
  margin: 0;
  flex: 1;
}

.service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
}

.meta-chip {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
}

body.theme-light .meta-chip {
  background: rgba(15, 23, 35, 0.04);
}

.tag {
  align-self: flex-start;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(92, 214, 199, 0.15);
  color: var(--accent-2);
}

.stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stack-chips span {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

.table-wrap {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--table-head-bg);
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

tbody tr:last-child td {
  border-bottom: none;
}

pre {
  margin: 0;
  padding: 18px;
  border-radius: 14px;
  background: var(--pre-bg);
  border: 1px solid var(--line);
  overflow-x: auto;
  font-size: 0.85rem;
}

code {
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

.footer {
  padding: 60px 6vw 80px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--footer-bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.footer h3 {
  margin-top: 0;
  font-family: "Space Grotesk", sans-serif;
}

.footer p {
  color: var(--muted);
}

.footer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--accent-2);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-card {
    position: static;
    width: 100%;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px 8px;
    border-top: 1px solid var(--line);
    order: 3;
    background: var(--surface-2);
    border-radius: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 8px 0;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-actions {
    margin-left: auto;
    order: 2;
  }

  .logo {
    order: 1;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .nav {
    padding: 16px 5vw;
  }

  .hero {
    padding: 70px 5vw 50px;
  }

  .section {
    padding: 70px 5vw 50px;
  }

  .cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .zoom-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}