:root {
  --bg: #e9f2ff;
  --bg-accent: #cfe1ff;
  --surface: rgba(246, 250, 255, 0.76);
  --surface-strong: #f8fbff;
  --text: #0d1b33;
  --muted: #4a5d80;
  --line: rgba(19, 53, 120, 0.14);
  --primary: #185adb;
  --primary-strong: #1148af;
  --secondary: #4da3ff;
  --shadow: 0 20px 60px rgba(17, 52, 117, 0.14);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(77, 163, 255, 0.28), transparent 30%),
    radial-gradient(circle at top right, rgba(24, 90, 219, 0.24), transparent 26%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 44%, #dce9ff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 72, 175, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 72, 175, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 90%);
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.topbar,
.hero-grid,
.section,
.contact-card {
  backdrop-filter: blur(12px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(248, 251, 255, 0.78);
  position: sticky;
  top: 16px;
  z-index: 10;
}

.brand,
.topbar a,
.button {
  text-decoration: none;
  color: inherit;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: "DM Serif Display", serif;
  font-size: 1.15rem;
}

.topbar-links {
  display: flex;
  gap: 20px;
}

.hero {
  padding-top: 24px;
}

.hero-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1.45fr 0.9fr;
  gap: 24px;
}

.hero-copy,
.hero-panel,
.section,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
}

h1,
h2 {
  font-family: "DM Serif Display", serif;
  font-weight: 400;
  line-height: 0.98;
}

h1 {
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  max-width: 10ch;
}

h1 span {
  color: var(--secondary);
  text-shadow: 0 8px 30px rgba(77, 163, 255, 0.24);
}

.lede {
  max-width: 62ch;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--primary);
  color: #f5fffd;
  border-color: transparent;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--primary-strong);
}

.button.secondary {
  background: transparent;
}

.hero-panel {
  padding: 24px;
  display: grid;
  gap: 20px;
}

.signal-card,
.orbit-card,
.stats-card,
.summary-card,
.timeline-item,
.contact-card {
  background: rgba(248, 251, 255, 0.78);
  border: 1px solid rgba(19, 53, 120, 0.09);
  border-radius: 24px;
}

.signal-card,
.orbit-card {
  padding: 22px;
}

.signal-label {
  margin: 0 0 16px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.signal-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.orbit-card {
  min-height: 320px;
  overflow: hidden;
  position: relative;
}

.capability-map {
  position: relative;
  width: 100%;
  min-height: 240px;
  margin-top: 18px;
  padding: 12px;
  border-radius: 26px;
  background:
    linear-gradient(rgba(24, 90, 219, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 90, 219, 0.08) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(77, 163, 255, 0.12), transparent 42%);
  background-size: 22px 22px, 22px 22px, auto;
}

.capability-map::before,
.capability-map::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  pointer-events: none;
}

.capability-map::before {
  width: 160px;
  height: 160px;
  border: 1px solid rgba(24, 90, 219, 0.16);
}

.capability-map::after {
  width: 236px;
  height: 236px;
  border: 1px dashed rgba(24, 90, 219, 0.18);
}

.capability-core {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.96), rgba(225, 237, 255, 0.9));
  border: 1px solid rgba(24, 90, 219, 0.18);
  box-shadow:
    0 20px 50px rgba(24, 90, 219, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.capability-kicker {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.capability-core strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--text);
}

.capability-node {
  position: absolute;
  width: 158px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(248, 251, 255, 0.92);
  border: 1px solid rgba(24, 90, 219, 0.14);
  box-shadow: 0 16px 32px rgba(24, 90, 219, 0.08);
  backdrop-filter: blur(10px);
}

.capability-node::before {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, rgba(24, 90, 219, 0.28), rgba(77, 163, 255, 0.1));
  z-index: -1;
}

.node-title {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.node-copy {
  display: block;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
}

.node-platform {
  top: 10px;
  left: 20px;
}

.node-platform::before {
  right: -54px;
  top: 50%;
  width: 54px;
  height: 1px;
}

.node-data {
  top: 18px;
  right: 10px;
}

.node-data::before {
  left: -56px;
  top: 50%;
  width: 56px;
  height: 1px;
}

.node-ai {
  bottom: 18px;
  left: 12px;
}

.node-ai::before {
  right: -62px;
  top: 50%;
  width: 62px;
  height: 1px;
}

.node-product {
  bottom: 6px;
  right: 20px;
}

.node-product::before {
  left: -50px;
  top: 50%;
  width: 50px;
  height: 1px;
}

.section {
  margin-top: 24px;
  padding: 34px;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  max-width: 14ch;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.summary-card {
  padding: 24px;
}

.summary-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.summary-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.about-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.02rem;
}

.stats-card {
  display: grid;
  gap: 20px;
  padding: 24px;
}

.stat-number {
  display: block;
  font-family: "DM Serif Display", serif;
  font-size: 3rem;
  color: var(--secondary);
}

.stat-label {
  color: var(--muted);
  line-height: 1.5;
}

.timeline-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(248, 251, 255, 0.7);
  border-radius: 999px;
  min-height: 42px;
  padding: 0 16px;
  font: inherit;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.chip:hover,
.chip:focus-visible,
.chip.is-active {
  transform: translateY(-1px);
  background: var(--primary);
  color: #f3fffb;
}

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

.timeline-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 22px;
  padding: 22px;
  transition: transform 180ms ease, opacity 180ms ease, border-color 180ms ease;
}

.timeline-item:hover {
  transform: translateY(-3px);
  border-color: rgba(24, 90, 219, 0.3);
}

.timeline-item.is-hidden {
  display: none;
}

.timeline-period,
.timeline-place,
.timeline-body p {
  margin: 0;
}

.timeline-period {
  color: var(--secondary);
  font-weight: 700;
}

.timeline-place {
  margin-top: 6px;
  color: var(--muted);
}

.timeline-body {
  display: grid;
  gap: 10px;
}

.timeline-body h3 {
  font-size: 1.3rem;
}

.timeline-body p {
  color: var(--muted);
  line-height: 1.75;
}

.contact-card {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-card p {
  margin: 0;
  max-width: 54ch;
  color: var(--muted);
  line-height: 1.7;
}

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

@keyframes drift {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 920px) {
  .hero-grid,
  .about-grid,
  .summary-grid,
  .timeline-item,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .section {
    padding: 28px;
  }

  .topbar {
    padding: 16px 20px;
  }

  .topbar-links {
    gap: 14px;
    font-size: 0.95rem;
  }

  .capability-map {
    min-height: 420px;
  }

  .capability-core {
    top: 50%;
  }

  .capability-node {
    width: calc(50% - 18px);
  }

  .node-platform,
  .node-data {
    top: 14px;
  }

  .node-ai,
  .node-product {
    bottom: 14px;
  }

  .node-platform { left: 0; }
  .node-data { right: 0; }
  .node-ai { left: 0; }
  .node-product { right: 0; }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 10px;
  }

  .topbar {
    border-radius: 26px;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  h1 {
    font-size: clamp(2.6rem, 16vw, 4.2rem);
  }

  h2 {
    max-width: 100%;
  }

  .hero-copy,
  .hero-panel,
  .section {
    border-radius: 24px;
  }

  .contact-card {
    align-items: flex-start;
  }

  .capability-map {
    min-height: 520px;
    padding: 10px;
  }

  .capability-map::before,
  .capability-map::after,
  .capability-node::before {
    display: none;
  }

  .capability-core {
    position: relative;
    inset: auto;
    transform: none;
    margin: 0 auto 16px;
  }

  .capability-node {
    position: relative;
    inset: auto;
    width: 100%;
    margin-bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}