/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --magenta: #d000ff;
  --magenta-dim: #a000cc;
  --magenta-glow: rgba(208, 0, 255, 0.3);
  --magenta-glow-strong: rgba(208, 0, 255, 0.6);
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #0d0d0d;
  --bg-terminal: #0a0a0a;
  --text-primary: #e0e0e0;
  --text-secondary: #888888;
  --text-dim: #555555;
  --border: #222222;
  --border-accent: #333333;
  --font-logo: 'Share Tech Mono', monospace;
  --font-code: 'JetBrains Mono', monospace;
  --font-body: system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

a {
  color: var(--magenta);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #fff;
}

/* ── Scanlines overlay ─────────────────────────────────────── */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

/* ── Top Navigation ─────────────────────────────────────────── */
.top-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem 1rem 0;
}

.top-nav-link {
  font-family: var(--font-logo);
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.2s;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}

.top-nav-link:hover,
.top-nav-link.active {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
  text-shadow: 0 0 10px var(--magenta-glow);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 4rem 1rem 2rem;
  overflow-x: auto;
  max-width: 100vw;
}

.logo {
  font-family: var(--font-logo);
  font-size: clamp(0.35rem, 1.2vw, 0.75rem);
  line-height: 1.25;
  color: var(--magenta);
  text-shadow:
    0 0 10px var(--magenta-glow),
    0 0 20px var(--magenta-glow),
    0 0 40px var(--magenta-glow),
    0 0 80px var(--magenta-glow-strong);
  letter-spacing: 1px;
  user-select: none;
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.tagline {
  font-family: var(--font-logo);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-top: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tagline .accent {
  color: var(--magenta);
  text-shadow: 0 0 10px var(--magenta-glow);
}

/* ── Terminal ───────────────────────────────────────────────── */
.install-section {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 20px rgba(0, 0, 0, 0.5),
    inset 0 0 60px rgba(208, 0, 255, 0.03);
  transition: box-shadow 0.3s;
}

.terminal-window:hover {
  box-shadow:
    0 0 20px rgba(0, 0, 0, 0.5),
    0 0 30px var(--magenta-glow),
    inset 0 0 60px rgba(208, 0, 255, 0.03);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #141414;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-left: 8px;
}

.terminal-window {
  overflow: hidden;
}

.terminal-body {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  font-family: var(--font-code);
  font-size: clamp(0.8rem, 2vw, 1rem);
  color: var(--text-primary);
  min-height: 64px;
}

.terminal-command {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.prompt {
  color: var(--magenta);
  font-weight: 700;
  margin-right: 10px;
  flex-shrink: 0;
}

#install-cmd {
  white-space: nowrap;
  flex-shrink: 0;
}

.cursor {
  color: var(--magenta);
  animation: blink 1s step-end infinite;
  margin-left: 4px;
  font-size: 1.1em;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 12px;
}

.copy-btn:hover {
  color: var(--magenta);
  border-color: var(--magenta);
  background: rgba(208, 0, 255, 0.08);
  box-shadow: 0 0 15px var(--magenta-glow);
}

.install-hint {
  text-align: center;
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

/* ── Features ───────────────────────────────────────────────── */
.features {
  max-width: 960px;
  margin: 4rem auto;
  padding: 0 1rem;
}

.section-title {
  font-family: var(--font-logo);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  text-align: center;
  color: var(--magenta);
  text-shadow: 0 0 15px var(--magenta-glow);
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: all 0.3s;
  display: block;
  text-decoration: none;
  color: inherit;
}

.feature-card:hover {
  border-color: var(--magenta-dim);
  box-shadow: 0 0 20px var(--magenta-glow);
  transform: translateY(-2px);
}

.feature-card h3 {
  font-family: var(--font-logo);
  font-size: 1rem;
  color: var(--magenta);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.feature-card ul {
  list-style: none;
}

.feature-card li {
  font-size: 0.9rem;
  color: var(--text-primary);
  padding: 0.35rem 0;
  position: relative;
  padding-left: 1.2rem;
}

.feature-card li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--magenta-dim);
  font-family: var(--font-code);
}

.feature-card li .via {
  color: var(--text-dim);
  font-size: 0.8rem;
  font-family: var(--font-code);
}

/* ── How To ─────────────────────────────────────────────────── */
.howto {
  max-width: 720px;
  margin: 4rem auto;
  padding: 0 1rem;
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.step {
  text-align: center;
  flex: 1;
  min-width: 140px;
}

.step-num {
  display: inline-block;
  font-family: var(--font-logo);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--magenta);
  text-shadow: 0 0 15px var(--magenta-glow);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.step .accent {
  color: var(--magenta);
}

.step-arrow {
  font-family: var(--font-logo);
  font-size: 1.5rem;
  color: var(--text-dim);
  padding-bottom: 1.2rem;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 3rem 1rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-content {
  margin-bottom: 0.5rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-code);
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
}

.github-link:hover {
  border-color: var(--magenta-dim);
  box-shadow: 0 0 15px var(--magenta-glow);
  color: var(--magenta);
}

.github-link svg {
  width: 20px;
  height: 20px;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-code);
}

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--magenta-dim);
  color: var(--magenta);
  font-family: var(--font-logo);
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 0 30px var(--magenta-glow);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 10000;
}

.toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  pointer-events: none;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero {
    padding: 2rem 0.5rem;
    overflow-x: auto;
  }

  .logo {
    font-size: 0.35rem;
  }

  .steps {
    flex-direction: column;
    gap: 0.5rem;
  }

  .step-arrow {
    transform: rotate(90deg);
    padding: 0;
  }

  .terminal-body {
    padding: 14px;
    font-size: 0.8rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}