:root {
  --bg: #050914;
  --bg-2: #071426;
  --panel: rgba(9, 21, 38, 0.72);
  --panel-strong: rgba(7, 18, 32, 0.92);
  --text: #e6f7ff;
  --muted: #94a9bd;
  --cyan: #28e7ff;
  --blue: #3b82ff;
  --violet: #7c5cff;
  --line: rgba(40, 231, 255, 0.18);
  --line-strong: rgba(40, 231, 255, 0.38);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(40, 231, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 84% 8%, rgba(59, 130, 255, 0.16), transparent 24rem),
    radial-gradient(circle at 50% 100%, rgba(124, 92, 255, 0.14), transparent 30rem),
    linear-gradient(145deg, var(--bg), var(--bg-2) 55%, #030611);
  font-family: var(--sans);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(40, 231, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 231, 255, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.78) 62%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  width: 54rem;
  height: 54rem;
  right: -22rem;
  top: 12rem;
  z-index: -2;
  background: conic-gradient(from 180deg, transparent, rgba(40, 231, 255, .14), transparent, rgba(59, 130, 255, .18), transparent);
  border-radius: 50%;
  filter: blur(28px);
  animation: slow-spin 26s linear infinite;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--cyan);
  color: #00111c;
  padding: .75rem 1rem;
  border-radius: .75rem;
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.noise,
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise {
  z-index: -1;
  opacity: .14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

.scanlines {
  z-index: 10;
  opacity: .13;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(40, 231, 255, .18) 4px);
  mix-blend-mode: screen;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(40, 231, 255, .11);
  background: rgba(5, 9, 20, .64);
}

.nav-shell,
.section-shell,
.site-footer {
  width: min(1160px, calc(100vw - 40px));
  margin-inline: auto;
}

.nav-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  min-height: 76px;
}

.brand,
.nav-links,
.button,
.section-kicker,
.project-type,
.system-label {
  font-family: var(--mono);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--cyan);
  background: linear-gradient(145deg, rgba(40, 231, 255, .12), rgba(59, 130, 255, .08));
  box-shadow: 0 0 28px rgba(40, 231, 255, .12), inset 0 0 24px rgba(40, 231, 255, .05);
}

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

.nav-links {
  display: flex;
  gap: 1.05rem;
  font-size: .84rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--cyan); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, .75fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding-block: 6rem 5rem;
}

.system-label,
.section-kicker,
.project-type {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: .78rem;
  letter-spacing: .16em;
}

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

h1 {
  max-width: 840px;
  margin-bottom: 1.3rem;
  font-size: clamp(3rem, 7vw, 6.65rem);
  line-height: .92;
  letter-spacing: -.07em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: .98;
  letter-spacing: -.055em;
}

h3 {
  margin-bottom: .75rem;
  font-size: 1.25rem;
  letter-spacing: -.025em;
}

.hero-subtitle,
.section-copy,
.contact-panel p {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.22rem);
  line-height: 1.8;
}

.hero-subtitle { max-width: 720px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 700;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #00111c;
  box-shadow: 0 0 30px rgba(40, 231, 255, .28);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255,255,255,.03);
}

.terminal-card,
.glow-card,
.project-card,
.contact-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 26, 46, .74), rgba(5, 12, 24, .72));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter: blur(18px);
}

.terminal-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
}

.terminal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(40,231,255,.18), transparent 10rem),
    linear-gradient(120deg, transparent 0 46%, rgba(40,231,255,.08) 47% 48%, transparent 49%);
  pointer-events: none;
}

.terminal-topbar {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
}

.terminal-topbar span {
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(40, 231, 255, .55);
}

.terminal-topbar span:nth-child(2) { background: var(--blue); }
.terminal-topbar span:nth-child(3) { background: var(--violet); }
.terminal-topbar p { margin: 0 0 0 .5rem; color: var(--muted); font-size: .82rem; }

.terminal-body {
  position: relative;
  padding: 1.35rem;
  font-family: var(--mono);
  font-size: .92rem;
}

.terminal-body p { margin-bottom: .85rem; }
.terminal-body span { color: var(--cyan); }
.terminal-body .ok { color: #8fffe6; }
.terminal-body .muted { color: var(--muted); }

.pulse-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: .45rem;
  margin-top: 1.5rem;
}

.pulse-row i {
  display: block;
  height: 58px;
  border-radius: 999px;
  background: linear-gradient(to top, rgba(40,231,255,.14), rgba(40,231,255,.72));
  transform-origin: bottom;
  animation: pulse-bars 1.8s ease-in-out infinite;
}

.pulse-row i:nth-child(2n) { animation-delay: .2s; }
.pulse-row i:nth-child(3n) { animation-delay: .45s; }

.split-section {
  display: grid;
  grid-template-columns: .8fr 1fr;
  gap: 3rem;
  padding-block: 3rem;
}

.section-shell { padding-block: 5rem; }

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.section-heading h2 { max-width: 780px; }
.section-heading.compact { display: block; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.glow-card {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  border-radius: 24px;
  padding: 1.25rem;
}

.glow-card::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: -42px;
  bottom: -42px;
  border-radius: 50%;
  background: rgba(40, 231, 255, .12);
  filter: blur(2px);
}

.glow-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow), 0 0 34px rgba(40,231,255,.12);
}

.card-index {
  display: inline-block;
  margin-bottom: 3.2rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: .8rem;
}

.glow-card p,
.project-card p { color: var(--muted); line-height: 1.65; }

.project-list {
  display: grid;
  gap: .9rem;
}

.project-card {
  display: grid;
  grid-template-columns: .7fr 1fr;
  gap: 1rem;
  align-items: center;
  border-radius: 22px;
  padding: 1.2rem;
}

.project-card p:last-child { margin-bottom: 0; }

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  border-radius: 32px;
  padding: clamp(1.4rem, 4vw, 3rem);
  margin-block: 4rem 5rem;
}

.contact-panel p { max-width: 720px; }

.contact-links {
  display: grid;
  gap: .8rem;
  min-width: 230px;
  font-family: var(--mono);
}

.contact-links a {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(40,231,255,.05);
}

.contact-links a:hover { border-color: var(--line-strong); background: rgba(40,231,255,.1); }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .82rem;
  border-top: 1px solid rgba(40,231,255,.12);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

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

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

@keyframes pulse-bars {
  0%, 100% { transform: scaleY(.35); opacity: .55; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .hero,
  .split-section,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; padding-top: 4rem; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card { grid-template-columns: 1fr; }
  .contact-links { min-width: 0; }
}

@media (max-width: 680px) {
  .nav-shell,
  .section-shell,
  .site-footer { width: min(100vw - 28px, 1160px); }

  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: .2rem;
  }

  h1 { font-size: clamp(2.7rem, 15vw, 4.2rem); }
  .section-shell { padding-block: 3.5rem; }
  .card-grid { grid-template-columns: 1fr; }
  .glow-card { min-height: 210px; }
  .site-footer { flex-direction: column; }
}