:root {
  --color-void: #0A0A0A;
  --color-cyan: #00C9AD;
  --color-ghost: #F0EFF4;
  --color-graphite: #141414;
  --color-cyan-dim: rgba(0, 201, 173, 0.125);
  --color-cyan-mid: rgba(0, 201, 173, 0.4);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  scrollbar-gutter: stable;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background: var(--color-void);
  color: var(--color-ghost);
  font-family: 'Sora', sans-serif;
  overflow-x: hidden;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.72;
  background:
    radial-gradient(circle at 14% 18%, rgba(0,201,173,0.105), transparent 24rem),
    radial-gradient(circle at 86% 34%, rgba(0,201,173,0.075), transparent 22rem),
    radial-gradient(circle at 50% 78%, rgba(0,201,173,0.055), transparent 28rem),
    linear-gradient(rgba(0,201,173,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,201,173,0.018) 1px, transparent 1px);
  background-size: auto, auto, auto, 84px 84px, 84px 84px;
  mask-image: radial-gradient(circle at center, black 0%, black 58%, transparent 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 400px 400px;
}

main {
  position: relative;
  z-index: 1;
}

::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: #050505;
}

::-webkit-scrollbar-thumb {
  background: rgba(0,201,173,0.25);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0,201,173,0.5);
}

.font-mono {
  font-family: 'Fira Code', monospace;
}

.font-serif {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
}

.font-sora {
  font-family: 'Sora', sans-serif;
}

.text-cyan {
  color: var(--color-cyan);
}

.text-ghost {
  color: var(--color-ghost);
}

#navbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: 1.5rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-radius: 9999px;
  width: min(960px, calc(100% - 3rem));
  transition: background 500ms ease, border 500ms ease, backdrop-filter 500ms ease, box-shadow 500ms ease;
  border: 1px solid transparent;
}

#navbar.morphed {
  background: rgba(20, 20, 20, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-color: rgba(0, 201, 173, 0.2);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.nav-brand {
  position: static;
  transform: none;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  line-height: 1;
  white-space: nowrap;
}

.nav-logo-mark {
  display: inline-flex;
  width: 3.5rem;
  height: 3.5rem;
  flex: 0 0 auto;
  color: var(--color-cyan);
  filter: drop-shadow(0 0 12px rgba(0,201,173,0.26));
  transition: filter 240ms ease, transform 240ms ease;
}

.nav-logo-mark svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.nav-logo-body {
  fill: rgba(0,201,173,0.08);
  stroke: var(--color-cyan);
  stroke-width: 2;
}

.nav-logo-screen {
  fill: var(--color-void);
  stroke: var(--color-cyan);
  stroke-width: 1.8;
}

.nav-logo-antenna {
  fill: none;
  stroke: var(--color-cyan);
  stroke-width: 3;
  stroke-linecap: round;
}

.nav-logo-node,
.nav-logo-eye,
.nav-logo-key {
  fill: var(--color-cyan);
}

.nav-logo-mark text {
  fill: var(--color-void);
  font-family: 'Sora', sans-serif;
  font-size: 5.2px;
  font-weight: 800;
  dominant-baseline: middle;
}

.nav-brand-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-ghost);
  line-height: 1;
  transform: translateY(1px);
  transition: color 240ms ease, text-shadow 240ms ease;
}

.nav-brand-primary {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.2rem, 1.85vw, 1.62rem);
  font-weight: 800;
  letter-spacing: 0.11em;
}

.nav-brand-secondary {
  margin-top: 0.28rem;
  font-family: 'Fira Code', monospace;
  font-size: clamp(0.74rem, 1vw, 0.98rem);
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.nav-brand:hover .nav-brand-copy {
  color: var(--color-ghost);
  text-shadow: 0 0 16px rgba(0,201,173,0.45);
}

.nav-brand:hover .nav-logo-mark {
  filter: drop-shadow(0 0 18px rgba(0,201,173,0.48));
  transform: translateY(-1px);
}

.section-label {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--color-cyan);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  color: var(--color-ghost);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

footer {
  background: #0A0A0A;
  border-radius: 4rem 4rem 0 0;
  padding: 4rem 2rem 2.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(240,239,244,0.06);
  padding-top: 2rem;
  text-align: center;
  font-family: 'Fira Code', monospace;
  font-size: 0.65rem;
  color: rgba(240,239,244,0.55);
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  footer {
    padding: 4rem 4rem 2.5rem;
  }
}

@media (max-width: 767px) {
  #navbar {
    top: 1rem;
    padding: 0.75rem 1.15rem;
    gap: 1rem;
    justify-content: center;
  }

  .nav-brand {
    gap: 0.55rem;
  }

  .nav-logo-mark {
    width: 2.9rem;
    height: 2.9rem;
  }

  .nav-brand-primary {
    font-size: 1.06rem;
    letter-spacing: 0.08em;
  }

  .nav-brand-secondary {
    margin-top: 0.18rem;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
  }

  .section-label,
  .section-title {
    text-align: center;
  }

  footer {
    border-radius: 2rem 2rem 0 0;
    padding: 3.5rem 1.25rem 2rem;
  }

  .footer-bottom {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}