:root {
  --bg: #f6f7f2;
  --surface: #ffffff;
  --surface-2: #eef3ee;
  --ink: #14201c;
  --muted: #5f6f68;
  --line: rgba(20, 32, 28, 0.12);
  --ai: #42b883;
  --energy: #f3b33d;
  --signal: #3563ff;
  --deep: #10251f;
  --shadow: 0 18px 60px rgba(16, 37, 31, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(66, 184, 131, 0.08), transparent 36rem),
    radial-gradient(circle at 80% 8%, rgba(243, 179, 61, 0.20), transparent 24rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 242, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: white;
  background: conic-gradient(from 40deg, var(--ai), var(--signal), var(--energy), var(--ai));
  box-shadow: 0 8px 28px rgba(66, 184, 131, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.pill-link,
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.58);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.nav-links a:hover,
.pill-link:hover,
.button:hover {
  transform: translateY(-2px);
  border-color: rgba(66, 184, 131, 0.55);
  box-shadow: 0 10px 28px rgba(16, 37, 31, 0.10);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.button.primary {
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--deep), #205243);
}

.button.secondary {
  background: var(--surface);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 36px;
  align-items: center;
  min-height: calc(100svh - 72px);
  padding: 56px 0 44px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 28px auto auto 52%;
  width: min(520px, 42vw);
  aspect-ratio: 1;
  border: 1px solid rgba(20, 32, 28, 0.12);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 49%, rgba(20, 32, 28, 0.10) 50%, transparent 51%),
    linear-gradient(0deg, transparent 49%, rgba(20, 32, 28, 0.10) 50%, transparent 51%);
  opacity: 0.42;
  animation: slow-spin 28s linear infinite;
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--deep);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ai);
  box-shadow: 0 0 0 6px rgba(66, 184, 131, 0.16);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(3.4rem, 8vw, 7.9rem);
  line-height: 0.91;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 710px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.86rem;
}

.live-dot::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ai);
  box-shadow: 0 0 0 6px rgba(66, 184, 131, 0.16);
}

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

.metric {
  min-height: 132px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric:nth-child(2n) {
  border-right: 0;
}

.metric-value {
  display: block;
  font-size: clamp(1.15rem, 3vw, 2.35rem);
  line-height: 1;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 650;
}

.reactor-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  padding: 18px;
}

.reactor-bar {
  height: 78px;
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, rgba(66, 184, 131, 0.82), rgba(53, 99, 255, 0.72));
  transform-origin: bottom;
  animation: pulse-bar 2.8s ease-in-out infinite;
}

.reactor-bar:nth-child(2) { animation-delay: 0.2s; height: 106px; }
.reactor-bar:nth-child(3) { animation-delay: 0.4s; height: 88px; }
.reactor-bar:nth-child(4) { animation-delay: 0.6s; height: 120px; }
.reactor-bar:nth-child(5) { animation-delay: 0.8s; height: 96px; }
.reactor-bar:nth-child(6) { animation-delay: 1s; height: 70px; }

.section {
  padding: 72px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-kicker {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

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

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

.feature-card,
.content-block,
.timeline-item,
.publication-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 30px rgba(16, 37, 31, 0.06);
}

.feature-card {
  position: relative;
  min-height: 270px;
  padding: 24px;
  overflow: hidden;
  text-decoration: none;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px auto;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai), var(--energy));
  opacity: 0.22;
  transition: transform 240ms ease;
}

.feature-card:hover::after {
  transform: scale(1.25);
}

.feature-card i {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: white;
  background: var(--deep);
  margin-bottom: 24px;
}

.feature-card h3,
.publication-item h3,
.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.feature-card p,
.publication-item p,
.timeline-item p,
.content-block p {
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  background: rgba(255, 255, 255, 0.62);
}

.content-block {
  padding: 28px;
}

.split {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 16px;
  align-items: start;
}

.sticky-card {
  position: sticky;
  top: 96px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 18px;
}

.date {
  color: var(--signal);
  font-weight: 900;
}

.logo-chip {
  max-width: 96px;
  max-height: 56px;
  object-fit: contain;
  filter: saturate(0.94);
}

.publication-list {
  display: grid;
  gap: 14px;
}

.publication-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 22px;
}

.pdf-frame {
  width: 100%;
  height: min(74vh, 720px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.contact-band {
  margin: 72px auto 32px;
  padding: 30px;
  color: white;
  text-align: center;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(16, 37, 31, 0.92), rgba(32, 82, 67, 0.94)),
    url("fel.png");
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.contact-band h2 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.contact-band a {
  color: white;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.contact-links a {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 10px 13px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.10);
  overflow-wrap: anywhere;
}

.footer {
  padding: 26px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@keyframes pulse-bar {
  0%, 100% { transform: scaleY(0.86); opacity: 0.72; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .hero,
  .split,
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section-head,
  .timeline-item,
  .publication-item {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links a {
    padding: 9px 12px;
  }

  .sticky-card {
    position: static;
  }
}

@media (max-width: 560px) {
  .site-shell {
    width: min(100% - 22px, 1180px);
  }

  .nav-links {
    justify-content: flex-start;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    border-right: 0;
  }

  .contact-band {
    padding: 22px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.7rem);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .feature-card,
  .content-block,
  .publication-item,
  .timeline-item {
    padding: 18px;
  }
}