:root {
  --bg: #070b12;
  --bg-elevated: #0e1520;
  --lime: #b8ff3d;
  --lime-dim: #8bc429;
  --cyan: #00e5ff;
  --amber: #ffb020;
  --text: #f2f5f8;
  --muted: #8a96a8;
  --font-display: "Orbitron", sans-serif;
  --font-body: "Space Grotesk", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background: var(--bg);
  overflow-x: hidden;
}

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

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

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 55% at 70% 20%, rgba(184, 255, 61, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 15% 80%, rgba(0, 229, 255, 0.06), transparent 50%),
    linear-gradient(165deg, #05080e 0%, #0a1220 45%, #070b12 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.04;
  pointer-events: none;
  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");
}

@keyframes drift {
  from {
    transform: scale(1) translate(0, 0);
  }
  to {
    transform: scale(1.05) translate(-1.5%, 1%);
  }
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 18, 0.65);
  border-bottom: 1px solid rgba(184, 255, 61, 0.1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.35rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}

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

.btn-primary {
  background: var(--lime);
  color: #0a1004;
}

.btn-primary:hover {
  background: #d4ff7a;
}

.btn-ghost {
  border-color: rgba(184, 255, 61, 0.35);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 2rem;
  padding: 2rem 6vw 4rem;
}

.hero-copy {
  max-width: 28rem;
  animation: rise 0.9s var(--ease) both;
}

.brand-signal {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.5rem, 14vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0.08em;
  text-shadow: 0 0 60px rgba(184, 255, 61, 0.28);
}

.lead {
  margin: 1.25rem 0 2rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  max-width: 22rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  animation: rise 1.1s var(--ease) 0.15s both;
}

.hero-mark {
  width: min(72vw, 520px);
  height: auto;
  border-radius: 24px;
  animation: glow-breathe 4.5s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(184, 255, 61, 0.3));
}

.pulse {
  position: absolute;
  width: min(60vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(184, 255, 61, 0.22);
  animation: pulse-ring 3.2s var(--ease) infinite;
  pointer-events: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow-breathe {
  0%,
  100% {
    filter: drop-shadow(0 0 28px rgba(184, 255, 61, 0.22));
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 55px rgba(184, 255, 61, 0.42));
    transform: scale(1.02);
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.85);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

.section {
  padding: 5.5rem 6vw;
  max-width: 1100px;
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: 0.04em;
}

.section p,
.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
  max-width: 36rem;
}

.about strong {
  color: var(--lime);
  font-weight: 600;
}

.marks .section-lead {
  margin-bottom: 2.5rem;
}

.mark-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.mark-grid li {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mark-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--bg-elevated);
}

.mark-grid span {
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.ignite {
  text-align: center;
  padding-bottom: 7rem;
}

.ignite p {
  margin: 0 auto 1.75rem;
  max-width: 20rem;
}

.ignite .btn {
  margin-top: 0.25rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 6vw 2rem;
  border-top: 1px solid rgba(184, 255, 61, 0.1);
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 3rem;
    text-align: center;
  }

  .hero-copy {
    max-width: none;
    order: 1;
  }

  .hero-visual {
    order: 0;
  }

  .hero-mark {
    width: min(78vw, 360px);
  }

  .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-row {
    justify-content: center;
  }

  nav a:not(.btn) {
    display: none;
  }

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

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