/* Avalon Wave Software — shared theme
   Dark Naval Blue · Neon Green · White */

:root {
  --naval-950: #050b14;
  --naval-900: #0a1628;
  --naval-800: #0d2137;
  --naval-700: #12304d;
  --naval-600: #1a4060;
  --naval-500: #2a5a80;
  --neon: #39ff14;
  --neon-soft: #00ff9c;
  --neon-dim: rgba(57, 255, 20, 0.15);
  --neon-glow: rgba(57, 255, 20, 0.45);
  --white: #ffffff;
  --off-white: #e8f0f7;
  --muted: #8aa4b8;
  --muted-dim: #5a7388;
  --danger-soft: #ff6b6b;
  --card: rgba(13, 33, 55, 0.72);
  --card-border: rgba(57, 255, 20, 0.18);
  --glass: rgba(10, 22, 40, 0.78);
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono: "Cascadia Code", "SF Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  --radius: 14px;
  --nav-h: 72px;
  --max: 1120px;
  --shadow-neon: 0 0 20px rgba(57, 255, 20, 0.25), 0 0 60px rgba(57, 255, 20, 0.08);
  --transition: 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--off-white);
  background: var(--naval-900);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient layers */
.bg-layers {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(26, 64, 96, 0.55), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 10%, rgba(0, 255, 156, 0.06), transparent 50%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(18, 48, 77, 0.8), transparent 55%),
    linear-gradient(180deg, var(--naval-950) 0%, var(--naval-900) 40%, var(--naval-800) 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
  opacity: 0.7;
}

#fx-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
  opacity: 0.35;
  mix-blend-mode: multiply;
}

a { color: var(--neon-soft); text-decoration: none; transition: color var(--transition), text-shadow var(--transition); }
a:hover { color: var(--neon); text-shadow: 0 0 12px var(--neon-glow); }

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

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 0.6em;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon-glow);
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 38rem;
}

/* Layout */
.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-head {
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  background: var(--glass);
  border-bottom: 1px solid rgba(57, 255, 20, 0.12);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 1.5rem, var(--max));
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover { color: var(--white); text-shadow: none; }

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
  object-position: center;
  flex-shrink: 0;
  border: 1px solid rgba(57, 255, 20, 0.35);
  box-shadow: var(--shadow-neon);
  background: var(--naval-950);
  display: block;
}

.brand-logo {
  height: 42px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.footer-logo {
  height: 48px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
  opacity: 0.92;
  border-radius: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong { font-size: 0.95rem; }
.brand-text span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(57, 255, 20, 0.08);
  text-shadow: none;
}

.nav-links a.active {
  color: var(--neon);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.35rem;
  padding: 0.5rem 0.95rem !important;
  border: 1px solid rgba(57, 255, 20, 0.55) !important;
  color: var(--neon) !important;
  background: rgba(57, 255, 20, 0.08) !important;
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.12);
  font-family: var(--font-mono);
  font-size: 0.78rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-cta:hover {
  background: rgba(57, 255, 20, 0.16) !important;
  box-shadow: var(--shadow-neon);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(57, 255, 20, 0.3);
  border-radius: 10px;
  background: transparent;
  color: var(--neon);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: var(--transition);
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover { text-shadow: none; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--neon) 0%, var(--neon-soft) 100%);
  color: var(--naval-950);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.35);
}

.btn-primary:hover {
  color: var(--naval-950);
  box-shadow: 0 0 36px rgba(57, 255, 20, 0.55);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-ghost:hover {
  color: var(--white);
  border-color: var(--neon);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.15);
}

.btn-webmail {
  background: rgba(57, 255, 20, 0.1);
  color: var(--neon);
  border-color: rgba(57, 255, 20, 0.55);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.btn-webmail:hover {
  color: var(--white);
  background: rgba(57, 255, 20, 0.18);
  box-shadow: var(--shadow-neon);
}

.btn-webmail .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* Hero */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  padding: 4rem 0 5rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.85rem);
  margin-bottom: 0.45rem;
  background: linear-gradient(120deg, var(--white) 0%, var(--off-white) 45%, var(--neon-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 .accent {
  color: var(--neon);
  -webkit-text-fill-color: var(--neon);
  text-shadow: 0 0 40px var(--neon-glow);
}

.hero-role {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neon);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.about-pillars {
  display: grid;
  gap: 1rem;
}

.about-pillar {
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
}

.about-pillar h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--neon-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.about-pillar ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.about-pillar li {
  color: var(--muted);
  font-size: 0.95rem;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(57, 255, 20, 0.35);
}

.about-pillar li strong {
  color: var(--off-white);
  font-weight: 600;
}

/* Case studies */
.case-list {
  display: grid;
  gap: 1.35rem;
}

.case-card {
  padding: 1.6rem 1.7rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.case-card:hover {
  border-color: rgba(57, 255, 20, 0.35);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25), 0 0 24px rgba(57, 255, 20, 0.06);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.case-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.case-body p {
  color: var(--muted);
  margin: 0 0 0.85rem;
  font-size: 0.98rem;
}

.case-body p:last-child { margin-bottom: 0; }

.case-body strong {
  color: var(--off-white);
  font-weight: 600;
}

.case-body ul {
  margin: 0 0 0.85rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.case-body li { margin-bottom: 0.45rem; }
.case-body li strong { color: var(--neon-soft); }

.case-meta .chip {
  padding: 0.28rem 0.6rem;
  font-size: 0.68rem;
}

/* Sparse FOSS / gamedev panels */
.sparse-panel {
  padding: 1.6rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
  max-width: 48rem;
}

.sparse-panel p {
  margin: 0;
  color: var(--muted);
}

.sparse-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.sparse-list li {
  color: var(--muted);
  font-size: 0.95rem;
  padding-left: 1rem;
  position: relative;
}

.sparse-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--neon);
}

.hero-panel {
  position: relative;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--card-border);
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.75), rgba(10, 22, 40, 0.9));
  padding: 1.35rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0.8;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-head .status {
  color: var(--neon);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.panel-head .status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.metric {
  padding: 0.9rem;
  border-radius: 10px;
  background: rgba(5, 11, 20, 0.45);
  border: 1px solid rgba(57, 255, 20, 0.1);
}

.metric .label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 0.35rem;
}

.metric .value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}

.metric .value em {
  font-style: normal;
  color: var(--neon);
}

.terminal-line {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: rgba(5, 11, 20, 0.65);
  border: 1px solid rgba(57, 255, 20, 0.12);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-soft);
  overflow: hidden;
  white-space: nowrap;
}

.terminal-line .cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  background: var(--neon);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), rgba(57, 255, 20, 0.1), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(57, 255, 20, 0.08);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.25);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Stack chips */
.chip-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--off-white);
  background: rgba(18, 48, 77, 0.65);
  border: 1px solid rgba(138, 164, 184, 0.2);
  transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.chip:hover {
  border-color: rgba(57, 255, 20, 0.5);
  color: var(--neon);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.12);
}

/* Security strip */
.security-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: stretch;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(57, 255, 20, 0.2);
  background:
    linear-gradient(135deg, rgba(18, 48, 77, 0.5), rgba(10, 22, 40, 0.85));
  box-shadow: inset 0 0 60px rgba(57, 255, 20, 0.03);
}

.security-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.security-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.95rem;
}

.security-list li::before {
  content: "▸";
  color: var(--neon);
  font-family: var(--font-mono);
  line-height: 1.5;
  text-shadow: 0 0 8px var(--neon-glow);
}

.badge-stack {
  display: grid;
  gap: 0.85rem;
  align-content: center;
}

.badge {
  padding: 1rem 1.15rem;
  border-radius: 12px;
  background: rgba(5, 11, 20, 0.55);
  border: 1px solid rgba(57, 255, 20, 0.15);
}

.badge strong {
  display: block;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.badge span {
  color: var(--muted);
  font-size: 0.88rem;
}

/* Games teaser / split */
.split-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.split-card {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
  position: relative;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.split-card.games {
  border-color: rgba(57, 255, 20, 0.35);
  background:
    radial-gradient(ellipse 80% 80% at 100% 0%, rgba(57, 255, 20, 0.12), transparent 55%),
    var(--card);
}

.split-card .tag {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
}

.split-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.4rem;
}

.split-card p {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 28rem;
}

/* Contact */
.contact-box {
  text-align: center;
  padding: 3.5rem 2rem;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(57, 255, 20, 0.25);
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(57, 255, 20, 0.1), transparent 55%),
    linear-gradient(180deg, rgba(18, 48, 77, 0.55), rgba(5, 11, 20, 0.85));
}

.contact-box h2 { margin-bottom: 0.75rem; }
.contact-box p {
  color: var(--muted);
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(57, 255, 20, 0.1);
  padding: 2.25rem 0 2.75rem;
  color: var(--muted-dim);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--neon); }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========== Games page ========== */
.page-hero {
  padding: 4rem 0 2.5rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 0.75rem;
}

.page-hero .lead { max-width: 40rem; }

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.35rem;
}

.game-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.game-card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(57, 255, 20, 0.08);
}

.game-cover {
  aspect-ratio: 16 / 10;
  position: relative;
  background:
    linear-gradient(145deg, var(--naval-700), var(--naval-950));
  overflow: hidden;
}

.game-cover .cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
}

.game-cover .cover-wave {
  position: absolute;
  inset: auto 0 0 0;
  height: 55%;
  background:
    radial-gradient(ellipse 80% 100% at 50% 100%, rgba(57, 255, 20, 0.25), transparent 70%);
}

.game-cover .cover-title {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  padding: 1rem;
}

.game-body {
  padding: 1.25rem 1.35rem 1.45rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.65rem;
}

.game-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--neon);
  background: rgba(57, 255, 20, 0.08);
}

.status-badge.concept {
  color: var(--muted);
  border-color: rgba(138, 164, 184, 0.35);
  background: rgba(138, 164, 184, 0.08);
}

.status-badge.dev {
  color: #7dd3fc;
  border-color: rgba(125, 211, 252, 0.35);
  background: rgba(125, 211, 252, 0.08);
}

.game-body h3 {
  font-size: 1.2rem;
  margin: 0;
}

.game-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
  flex: 1;
}

.game-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.game-actions .btn {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

.drop-zone {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius);
  border: 1px dashed rgba(57, 255, 20, 0.35);
  background: rgba(5, 11, 20, 0.35);
}

.drop-zone h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--neon-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.drop-zone p,
.drop-zone code {
  color: var(--muted);
  font-size: 0.9rem;
}

.drop-zone code {
  font-family: var(--font-mono);
  color: var(--off-white);
  background: rgba(57, 255, 20, 0.08);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.85em;
}

.drop-zone pre {
  margin: 0.85rem 0 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 10px;
  background: rgba(5, 11, 20, 0.7);
  border: 1px solid rgba(57, 255, 20, 0.12);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-soft);
  line-height: 1.55;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .security-panel,
  .split-cta,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
    background: rgba(5, 11, 20, 0.96);
    border-bottom: 1px solid rgba(57, 255, 20, 0.15);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.28s ease;
  }

  .nav-links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 0.85rem 1rem;
  }

  .nav-cta {
    margin-left: 0;
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .metric-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 2.5rem; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .pulse-dot,
  .terminal-line .cursor {
    animation: none;
  }
  #fx-canvas { display: none; }
  .scanline { display: none; }
  .card:hover,
  .game-card:hover,
  .btn:hover {
    transform: none;
  }
}