@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

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

:root {
  --neon-cyan: #00f0ff;
  --neon-pink: #ff00de;
  --neon-green: #39ff14;
  --neon-red: #ff0040;
  --neon-yellow: #ffe600;
  --neon-orange: #ff6a00;
  --glass-bg: rgba(10, 12, 28, 0.8);
  --glass-border: rgba(0, 240, 255, 0.15);
  --desktop-bg: #0a0c1c;
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'Orbitron', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--desktop-bg);
  font-family: var(--font-mono);
  color: #c8d6e5;
  overflow-x: hidden;
}

/* ===== SCANLINE ===== */
#scanline {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,240,255,0.012) 2px, rgba(0,240,255,0.012) 4px);
}

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 70%, rgba(0,240,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(255,0,222,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(77,122,255,0.04) 0%, transparent 60%),
    var(--desktop-bg);
}

.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,240,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative; z-index: 1;
  text-align: center;
  padding: 40px 24px;
  max-width: 700px;
}

.logo-glow {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--neon-cyan);
  letter-spacing: 8px;
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--neon-cyan), 0 0 30px rgba(0,240,255,0.3);
  margin-bottom: 8px;
  opacity: 0;
  animation: fade-in 0.8s ease 0.2s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 10vw, 80px);
  font-weight: 900;
  color: #fff;
  text-shadow:
    0 0 10px var(--neon-cyan),
    0 0 40px rgba(0,240,255,0.5),
    0 0 80px rgba(0,240,255,0.3),
    0 0 120px rgba(0,240,255,0.15);
  line-height: 1.1;
  margin-bottom: 12px;
  opacity: 0;
  animation: fade-in 0.8s ease 0.4s forwards;
}

.hero-sub {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink);
  letter-spacing: 4px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fade-in 0.8s ease 0.6s forwards;
}

.hero-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(200,214,229,0.7);
  margin-bottom: 40px;
  opacity: 0;
  animation: fade-in 0.8s ease 0.8s forwards;
}

.hero-desc strong {
  color: var(--neon-red);
  text-shadow: 0 0 6px rgba(255,0,64,0.4);
}

@keyframes fade-in {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ===== DOWNLOAD SECTION ===== */
#download-section {
  opacity: 0;
  animation: fade-in 0.8s ease 1s forwards;
}

.download-label {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
  letter-spacing: 4px;
  margin-bottom: 6px;
}

.download-note {
  font-size: 12px;
  color: rgba(200,214,229,0.5);
  margin-bottom: 24px;
}

.download-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.download-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  color: #c8d6e5;
  transition: all 0.3s;
  position: relative;
  min-width: 200px;
}

.download-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.15), inset 0 0 20px rgba(0,240,255,0.03);
  transform: translateY(-2px);
}

.download-card.recommended {
  border-color: var(--neon-green);
  box-shadow: 0 0 15px rgba(57,255,20,0.15);
}

.download-card.recommended::after {
  content: 'RECOMMENDED';
  position: absolute;
  top: -8px;
  right: -8px;
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 700;
  color: #000;
  background: var(--neon-green);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.dl-icon {
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.download-card.recommended .dl-icon { color: var(--neon-green); }

.dl-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.dl-os {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.dl-file {
  font-size: 11px;
  color: rgba(200,214,229,0.5);
}

.dl-badge {
  font-family: var(--font-display);
  font-size: 8px;
  color: rgba(200,214,229,0.3);
  letter-spacing: 1px;
  margin-left: auto;
}

.version-info {
  font-size: 10px;
  color: rgba(200,214,229,0.3);
  letter-spacing: 1px;
}

/* ===== FEATURES ===== */
#features {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0,240,255,0.3);
  text-align: center;
  letter-spacing: 4px;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: rgba(0,240,255,0.3);
  box-shadow: 0 0 20px rgba(0,240,255,0.06);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--neon-cyan);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.feature-card p {
  font-size: 12px;
  color: rgba(200,214,229,0.6);
  line-height: 1.6;
}

/* ===== SHORTCUTS ===== */
#shortcuts {
  padding: 60px 24px 80px;
  max-width: 700px;
  margin: 0 auto;
}

.shortcut-table {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.st-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 0.5fr;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(0,240,255,0.06);
  font-size: 13px;
}

.st-row:last-child { border-bottom: none; }

.st-header {
  font-family: var(--font-display);
  font-size: 10px;
  color: rgba(200,214,229,0.4);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(0,240,255,0.03);
}

.st-threat.danger { color: var(--neon-red); }
.st-threat.warning { color: var(--neon-orange); }
.st-threat.critical { color: var(--neon-pink); }
.st-threat.firewall { color: #4d7aff; }
.st-threat.corruption { color: #b44dff; }
.st-threat.process { color: var(--neon-green); }

kbd {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(0,240,255,0.06);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: 3px;
  color: var(--neon-cyan);
}

.st-diff { text-align: right; font-size: 12px; }
.st-diff.easy { color: var(--neon-green); }
.st-diff.medium { color: var(--neon-yellow); }
.st-diff.hard { color: var(--neon-red); }

/* ===== FOOTER ===== */
#footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid rgba(0,240,255,0.06);
  font-size: 12px;
  color: rgba(200,214,229,0.3);
}

.footer-sub {
  font-size: 10px;
  margin-top: 4px;
  color: rgba(200,214,229,0.15);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .download-cards { flex-direction: column; align-items: center; }
  .download-card { width: 100%; max-width: 280px; }
  .feature-grid { grid-template-columns: 1fr; }
  .st-row { grid-template-columns: 1fr 1fr 0.4fr; font-size: 11px; padding: 10px 14px; }
}