:root {
  --bg-0: #040814;
  --bg-1: #071021;
  --bg-2: #0b1730;
  --surface: rgba(11, 18, 37, 0.72);
  --surface-strong: rgba(13, 21, 42, 0.9);
  --surface-soft: rgba(255, 255, 255, 0.04);
  --text: #edf4ff;
  --muted: #9fb0d0;
  --line: rgba(130, 169, 255, 0.18);
  --line-strong: rgba(130, 169, 255, 0.32);
  --accent: #79ecff;
  --accent-2: #8a7cff;
  --accent-3: #3bf1bf;
  --accent-4: #9ed1ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --glow: 0 0 0 1px rgba(121, 236, 255, 0.12), 0 18px 60px rgba(10, 17, 32, 0.8);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 12% 12%, rgba(121, 236, 255, 0.13), transparent 23%),
    radial-gradient(circle at 84% 10%, rgba(138, 124, 255, 0.16), transparent 25%),
    radial-gradient(circle at 50% 75%, rgba(59, 241, 191, 0.10), transparent 20%),
    linear-gradient(180deg, #030712 0%, #071020 42%, #081326 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.92) 40%, transparent 100%);
  opacity: 0.26;
}

body::after {
  background:
    linear-gradient(120deg, transparent 0 46%, rgba(121,236,255,0.05) 49%, transparent 52%),
    linear-gradient(transparent, rgba(255,255,255,0.02), transparent);
  background-size: 100% 100%, 100% 8px;
  mix-blend-mode: screen;
  opacity: 0.28;
}

img { max-width: 100%; }

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;

  opacity: 0;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease;
}

.page-shell::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -100px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(121,236,255,0.10), transparent 65%);
  filter: blur(8px);
  pointer-events: none;
}

.page-shell::after {
  content: "";
  position: absolute;
  left: -90px;
  top: 40%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(138,124,255,0.10), transparent 65%);
  filter: blur(16px);
  pointer-events: none;
}

.page-shell.page-loaded {
  opacity: 1;
  transform: translateY(0);
}

.page-shell.page-exit {
  opacity: 0;
  transform: translateY(6px);
}

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.narrow { width: min(760px, 100%); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px);
  background: linear-gradient(180deg, rgba(5, 11, 22, 0.9), rgba(5, 11, 22, 0.66));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(121,236,255,0.55), rgba(138,124,255,0.45), transparent);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);
  box-shadow:
    0 0 0 6px rgba(121, 236, 255, 0.08),
    0 0 26px rgba(121, 236, 255, 0.8);
}

.nav {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  padding: 0.62rem 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255,255,255,0.01);
  transition: 0.2s ease;
}

.nav a:hover,
.nav a:focus,
.nav a.active {
  color: var(--text);
  border-color: rgba(121,236,255,0.18);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 0 20px rgba(121,236,255,0.08);
}

.hero,
.page-hero {
  padding: 7rem 0 3.5rem;
  position: relative;
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 10% 0 auto 0;
  height: 240px;
  background: radial-gradient(circle at center, rgba(121,236,255,0.08), transparent 55%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
  align-items: center;
}

.section {
  padding: 1.35rem 0 4rem;
  position: relative;
}

.section-grid,
.split-feature {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.5rem;
  align-items: start;
}

.cards-grid {
  display: grid;
  gap: 1.25rem;
}

.cards-grid.three { grid-template-columns: repeat(3, 1fr); }
.cards-grid.two { grid-template-columns: repeat(2, 1fr); }
.cards-grid.single { grid-template-columns: 1fr; }

.hero-panel,
.card,
.split-feature,
.hero-visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(13, 21, 42, 0.90), rgba(7, 14, 28, 0.84));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-panel::before,
.card::before,
.split-feature::before,
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(121,236,255,0.12), transparent 28%, transparent 72%, rgba(138,124,255,0.12)),
    linear-gradient(180deg, rgba(255,255,255,0.04), transparent 22%);
  pointer-events: none;
}

.hero-panel::after,
.card::after,
.split-feature::after,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto auto -60px -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(121,236,255,0.11), transparent 65%);
  pointer-events: none;
}

.hero-panel,
.card,
.split-feature,
.hero-visual {
  padding: 1.6rem;
}

.hero-stack {
  display: grid;
  gap: 1.1rem;
}

.hero-visual {
  min-height: 420px;
  display: grid;
  align-items: center;
}

.eyebrow,
.section-kicker,
.card-kicker,
.panel-label,
.muted-label {
  margin: 0 0 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 700;
}

.eyebrow,
.section-kicker,
.card-kicker,
.panel-label {
  color: var(--accent);
}

.muted-label { color: var(--muted); }

.tag-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin: 0 0 1rem;
}

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.78rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-4);
  background: rgba(121,236,255,0.08);
  border: 1px solid rgba(121,236,255,0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

.tag::before,
.pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 0 12px rgba(121,236,255,0.7);
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.9rem, 6vw, 5.4rem);
  margin-bottom: 1rem;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 3.8vw, 2.65rem);
  margin-bottom: 0.9rem;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 0.75rem;
}

p { margin-top: 0; }

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 64ch;
}

.button-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.92rem 1.22rem;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover,
.button:focus { transform: translateY(-1px); }

.button.primary {
  color: #031019;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 55%, #99fff4 100%);
  box-shadow: 0 14px 36px rgba(121,236,255,0.24);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.text-link,
.footer-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.hero-note {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent-3);
  box-shadow: 0 0 15px rgba(59,241,191,0.95);
}

.feature-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.feature-list li {
  margin-bottom: 0.6rem;
  color: var(--muted);
}

.feature-list li:last-child { margin-bottom: 0; }

.project-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-top: 1.2rem;
}

.stat {
  padding: 0.95rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(121,236,255,0.11);
}

.stat strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.visual-core {
  position: relative;
  width: min(360px, 88%);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

.ring {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(121,236,255,0.18);
  box-shadow: inset 0 0 22px rgba(121,236,255,0.05), 0 0 30px rgba(121,236,255,0.05);
}

.ring.one { inset: 0; }
.ring.two { inset: 11%; border-color: rgba(138,124,255,0.22); }
.ring.three { inset: 24%; border-color: rgba(59,241,191,0.22); }

.ring::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px rgba(121,236,255,0.85);
}

.ring.one::after { top: 18%; left: calc(100% - 6px); }
.ring.two::after { bottom: 8%; left: 15%; }
.ring.three::after { top: -6px; left: 50%; transform: translateX(-50%); }

.core-chip {
  position: relative;
  z-index: 2;
  width: 44%;
  aspect-ratio: 1 / 1;
  border-radius: 26px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  background:
    radial-gradient(circle at top, rgba(121,236,255,0.16), transparent 55%),
    linear-gradient(180deg, rgba(16,28,55,0.98), rgba(7,13,27,0.94));
  border: 1px solid rgba(121,236,255,0.18);
  box-shadow: 0 0 38px rgba(121,236,255,0.14), inset 0 0 18px rgba(255,255,255,0.03);
}

.core-chip strong {
  display: block;
  font-size: 1.15rem;
  line-height: 1.2;
}

.core-chip span {
  color: var(--muted);
  font-size: 0.82rem;
}

.visual-labels {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.mini-card {
  padding: 0.72rem 0.78rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(121,236,255,0.12);
  backdrop-filter: blur(8px);
}

.mini-card strong {
  display: block;
  font-size: 0.86rem;
  margin-bottom: 0.18rem;
}

.mini-card span {
  color: var(--muted);
  font-size: 0.77rem;
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
}

.signal-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.signal-item {
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(121,236,255,0.1);
}

.signal-item strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.signal-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-header {
  margin-bottom: 1.25rem;
}

.site-footer {
  padding: 1.5rem 0 2.75rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(4, 10, 20, 0.55);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-wrap p { margin: 0.2rem 0; }

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero-grid,
  .section-grid,
  .split-feature,
  .cards-grid.three,
  .cards-grid.two,
  .matrix-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 360px;
  }

  .visual-labels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .hero,
  .page-hero {
    padding-top: 5.4rem;
  }

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

  .nav { width: 100%; }

  h1 { font-size: clamp(2.25rem, 11vw, 3.8rem); }

  .card,
  .hero-panel,
  .split-feature,
  .hero-visual {
    padding: 1.2rem;
  }

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

  .visual-core {
    width: 96%;
  }
}