:root {
  --bg: #020804;
  --bg-deep: #000000;
  --phosphor: #3dff3d;
  --phosphor-dim: #1a8f1a;
  --phosphor-mid: #2bc92b;
  --phosphor-soft: rgba(61, 255, 61, 0.12);
  --phosphor-glow: rgba(61, 255, 61, 0.35);
  --text: #9dff9d;
  --muted: #4a8a4a;
  --line: rgba(61, 255, 61, 0.22);
  --font-display: "VT323", monospace;
  --font-body: "Share Tech Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, #0a2a0a 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 80% 100%, #041404 0%, transparent 45%),
    linear-gradient(180deg, #041004 0%, var(--bg) 40%, var(--bg-deep) 100%);
  overflow-x: hidden;
}

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

a {
  color: var(--phosphor);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #b8ffb8;
}

/* CRT overlays */
.crt,
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.crt {
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
  animation: flicker 8s infinite;
}

.scanlines {
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.18) 2px,
    rgba(0, 0, 0, 0.18) 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.55;
}

@keyframes flicker {
  0%, 96%, 100% { opacity: 1; }
  97% { opacity: 0.92; }
  98% { opacity: 1; }
  99% { opacity: 0.88; }
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(2, 8, 4, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--phosphor);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  text-shadow: 0 0 12px var(--phosphor-glow);
}

.brand-mark img {
  image-rendering: pixelated;
  filter: drop-shadow(0 0 6px var(--phosphor-glow));
}

.topbar nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.topbar nav a:hover {
  color: var(--phosphor);
}

/* Hero — one composition */
.hero {
  position: relative;
  min-height: min(100vh, 820px);
  display: grid;
  align-content: end;
  padding: 0;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-banner {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.05) saturate(1.1);
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(2, 8, 4, 0.35) 0%, rgba(2, 8, 4, 0.15) 35%, rgba(2, 8, 4, 0.92) 78%, var(--bg) 100%),
    linear-gradient(90deg, rgba(2, 8, 4, 0.55) 0%, transparent 40%, transparent 70%, rgba(2, 8, 4, 0.4) 100%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: clamp(2rem, 8vh, 5rem) clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 6vh, 4rem);
  max-width: 40rem;
  animation: boot-in 0.9s ease-out both;
}

@keyframes boot-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.boot-line {
  margin: 0 0 0.35rem;
  color: var(--phosphor-dim);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  animation: type-blink 1.1s step-end infinite;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 12vw, 6.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: var(--phosphor);
  text-shadow:
    0 0 18px var(--phosphor-glow),
    0 0 40px rgba(61, 255, 61, 0.2);
}

.tagline {
  margin: 1rem 0 1.75rem;
  max-width: 28rem;
  color: var(--text);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.cta {
  display: inline-block;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--phosphor);
  background: var(--phosphor-soft);
  color: var(--phosphor);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 0 transparent;
}

.cta:hover {
  background: var(--phosphor);
  color: #031003;
  box-shadow: 0 0 22px var(--phosphor-glow);
}

.cta.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.cta.ghost:hover {
  border-color: var(--phosphor);
  color: var(--phosphor);
  background: transparent;
  box-shadow: none;
}

/* Panels */
.panel {
  padding: clamp(3rem, 8vh, 5.5rem) clamp(1rem, 4vw, 2.5rem);
  max-width: 920px;
  margin: 0 auto;
  animation: boot-in 0.8s ease-out both;
}

.panel-head {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
}

.panel-head h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--phosphor);
  text-shadow: 0 0 12px var(--phosphor-glow);
}

.prompt {
  color: var(--phosphor-mid);
  margin-right: 0.25rem;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.service-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.35rem 0;
  border-bottom: 1px dashed var(--line);
}

.service-list li:first-child {
  border-top: 1px dashed var(--line);
}

.svc-code {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--phosphor-dim);
  line-height: 1;
  padding-top: 0.15rem;
}

.service-list h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--phosphor);
}

.service-list p {
  margin: 0;
  color: var(--text);
  max-width: 36rem;
}

/* Contact */
.contact .terminal-block {
  margin: 0 0 1.75rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(61, 255, 61, 0.05), transparent 40%),
    rgba(0, 0, 0, 0.45);
  font-size: 1.05rem;
}

.term-line {
  margin: 0.35rem 0;
}

.term-line a {
  text-decoration: none;
  border-bottom: 1px solid var(--phosphor-dim);
}

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

.blink {
  animation: type-blink 1.05s step-end infinite;
  color: var(--phosphor);
}

@keyframes type-blink {
  50% { opacity: 0; }
}

/* Footer */
.site-foot {
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 3rem;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.foot-mark {
  margin: 0 auto 1rem;
  width: min(280px, 70vw);
  height: auto;
  opacity: 0.85;
  filter: invert(1) sepia(1) saturate(5) hue-rotate(70deg) brightness(1.1);
}

.site-foot p {
  margin: 0;
}

@media (max-width: 640px) {
  .topbar nav {
    gap: 0.85rem;
    font-size: 0.85rem;
  }

  .brand-mark span {
    font-size: 1.25rem;
  }

  .hero {
    min-height: 85vh;
  }

  .service-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .crt,
  .boot-line,
  .blink,
  .hero-copy,
  .panel {
    animation: none;
  }
}