:root {
  --ink: #101828;
  --ink-soft: #3d4f66;
  --paper: #f4f7fb;
  --paper-2: #e7eef8;
  --navy: #123056;
  --navy-deep: #0b1c38;
  --signal: #d6e8ff;
  --signal-deep: #1d4ed8;
  --line: rgba(16, 24, 40, 0.12);
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Syne", sans-serif;
  --font-body: "Karla", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  background:
    radial-gradient(120% 80% at 10% -10%, #dce8f8 0%, transparent 55%),
    radial-gradient(90% 60% at 100% 0%, #e4eefc 0%, transparent 45%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  color: var(--ink) !important;
  border-bottom: 1.5px solid var(--signal-deep);
  padding-bottom: 0.1rem;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 1.5rem 3rem;
  overflow: hidden;
  padding: calc(var(--header-h) + 1.75rem) clamp(1.25rem, 4vw, 3.5rem) 3rem;
  background:
    radial-gradient(90% 70% at 78% 28%, rgba(142, 192, 255, 0.28), transparent 55%),
    linear-gradient(145deg, #163a6b 0%, #0b1c38 55%, #123056 100%);
}

.hero-visual {
  position: relative;
  z-index: 0;
  min-height: 16rem;
}

.hero-art {
  width: 100%;
  height: min(28rem, 52vh);
  object-fit: contain;
}

.zk-link {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
  animation: draw-path 1.4s var(--ease) 0.35s forwards;
}

.zk-ring-inner {
  transform-origin: center;
  transform-box: fill-box;
  stroke-dasharray: 8 10;
  animation: zk-spin 22s linear infinite;
}

.zk-hidden rect {
  animation: node-pulse 3.4s ease-in-out infinite;
}

.zk-hidden rect:nth-child(2) {
  animation-delay: 0.4s;
}

.zk-hidden rect:nth-child(3) {
  animation-delay: 0.8s;
}

.zk-sealed {
  stroke-dashoffset: 0;
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(36rem, 100%);
  margin: 0;
  padding: 0;
  color: #f3f7ff;
}

.brand {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.75rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.05em;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.headline {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.3s forwards;
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  color: color-mix(in srgb, #f4f7ff 78%, #8ec0ff);
  font-size: 1.05rem;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.45s forwards;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.6s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: var(--navy-deep);
}

.btn-primary:hover {
  background: #eef5ff;
}

.btn-ghost {
  border-color: color-mix(in srgb, #f3f7ff 45%, transparent);
  color: #f3f7ff;
}

.btn-ghost:hover {
  border-color: #f3f7ff;
  background: color-mix(in srgb, #f3f7ff 8%, transparent);
}

.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  width: min(68rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.85rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-lede {
  margin: 0;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.focus-list {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
}

.focus-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.focus-item.is-visible {
  opacity: 1;
  transform: none;
}

.focus-index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--signal-deep);
  padding-top: 0.35rem;
}

.focus-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.focus-item p {
  margin: 0;
  max-width: 44rem;
  color: var(--ink-soft);
}

.focus-item p + p {
  margin-top: 0.75rem;
}

.team {
  background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, #d5e4f8 60%, transparent) 100%);
}

.team-grid {
  display: grid;
  gap: 3rem;
}

.roster {
  display: grid;
  gap: 2rem;
}

.roster li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.role {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.name {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.bio {
  margin: 0;
  color: var(--ink-soft);
  max-width: 28rem;
}

.contact-panel {
  padding: clamp(2rem, 5vw, 3.5rem) 0 0;
  border-top: 1px solid var(--line);
}

.contact .btn-primary {
  background: var(--navy);
  color: var(--signal);
}

.contact .btn-primary:hover {
  background: var(--navy-deep);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 1.75rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes draw-path {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes zk-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes node-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(20rem, 0.85fr) minmax(26rem, 1.15fr);
    padding-bottom: 4rem;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .hero-visual {
    grid-column: 2;
    grid-row: 1;
  }

  .hero-art {
    height: min(34rem, 68vh);
  }
}

@media (min-width: 960px) {
  .roster {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
  }

  .focus-item {
    grid-template-columns: 5rem 1fr;
    gap: 2rem;
    padding: 2rem 0;
  }
}

@media (max-width: 640px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .focus-item {
    grid-template-columns: 2.5rem 1fr;
    gap: 0.85rem;
  }
}

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

  .brand,
  .headline,
  .lede,
  .cta-row,
  .focus-item,
  .zk-link,
  .zk-ring-inner,
  .zk-hidden rect {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    stroke-dashoffset: 0 !important;
  }
}