/* ─── Design System ──────────────────────────────────────────────────────────
   Mirrors the Polidex extension popup: Game Boy-inspired pixel-art aesthetic.
   Monospace only. Hard corners. Pixel shadows. No external dependencies.
──────────────────────────────────────────────────────────────────────────── */

:root {
  --bg:          #1a1a2e;
  --bg-surface:  #16213e;
  --bg-card:     #0f3460;
  --accent:      #ed4560;
  --accent-2:    #f5a623;
  --text:        #e0e0e0;
  --text-muted:  #a0a0c0;
  --border:      #334466;
  --font:        'Courier New', 'Lucida Console', monospace;
  --shadow-sm:   2px 2px 0 #000;
  --shadow-md:   4px 4px 0 #000;
  --shadow-lg:   6px 6px 0 #000;
  --max-w:       900px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  image-rendering: pixelated;
  overflow-x: hidden;
}

/* ─── Typography ─────────────────────────────────────────────────────────── */

h1, h2, h3 {
  font-family: var(--font);
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 64px 0;
  border-bottom: 2px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

.section-label {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(18px, 3vw, 26px);
  color: var(--text);
  margin-bottom: 32px;
  letter-spacing: 3px;
}

.section-title::before {
  content: '> ';
  color: var(--accent);
}

/* ─── Nav ────────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 2px 0 #000;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--accent);
  text-shadow: var(--shadow-sm);
  text-decoration: none;
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--accent);
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.1s;
}

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

.nav-links .nav-cta {
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 4px 12px;
  box-shadow: var(--shadow-sm);
  transition: background 0.1s, color 0.1s;
}

.nav-links .nav-cta:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  background: var(--bg);
  padding: 80px 0 72px;
  border-bottom: 2px solid var(--border);
  overflow: hidden;
}

/* Scanline overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* Grid pattern background */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.hero-logo {
  font-size: clamp(40px, 10vw, 80px);
  font-weight: 900;
  letter-spacing: 10px;
  color: var(--accent);
  text-shadow:
    3px 3px 0 #000,
    6px 6px 0 rgba(233, 69, 96, 0.25);
  line-height: 1;
  margin-bottom: 24px;
  animation: flicker 8s infinite;
}

@keyframes flicker {
  0%, 94%, 96%, 98%, 100% { opacity: 1; }
  95%, 97%                 { opacity: 0.92; }
}

.hero-tagline {
  font-size: clamp(14px, 2.5vw, 20px);
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 12px;
  max-width: 560px;
}

.hero-sub {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-stat {
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 22px;
  font-weight: 900;
  color: var(--accent-2);
  letter-spacing: 2px;
  text-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-divider {
  width: 2px;
  height: 32px;
  background: var(--border);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 24px;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: transform 0.05s, box-shadow 0.05s, background 0.1s;
  user-select: none;
}

.btn:hover {
  text-decoration: none;
  transform: translate(-1px, -1px);
}

.btn:active {
  transform: translate(1px, 1px);
  box-shadow: none !important;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  text-shadow: 1px 1px 0 rgba(0,0,0,0.4);
}

.btn-primary:hover {
  background: #ff5570;
  box-shadow: var(--shadow-lg);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.btn-outline:hover {
  border-color: var(--text-muted);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  font-size: 13px;
  padding: 16px 32px;
  box-shadow: var(--shadow-lg);
}

/* ─── Intro section ──────────────────────────────────────────────────────── */

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.intro-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.intro-text strong {
  color: var(--text);
}

.intro-highlight {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  margin-top: 24px;
  letter-spacing: 0.5px;
}

.intro-highlight strong {
  color: var(--accent-2);
}

.intro-visual {
  background: var(--bg-surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 20px;
  font-size: 12px;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
}

.intro-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.05) 3px,
    rgba(0,0,0,0.05) 4px
  );
  pointer-events: none;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.window-dot {
  width: 8px;
  height: 8px;
  background: var(--border);
}

.window-dot.red   { background: var(--accent); }
.window-dot.amber { background: var(--accent-2); }

.window-title {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-left: 4px;
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  padding: 8px 10px;
  border-bottom: 2px solid var(--accent);
  margin: -20px -20px 12px;
  padding-left: 20px;
}

.mock-logo {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--accent);
  text-shadow: var(--shadow-sm);
  flex: 1;
}

.mock-tab {
  font-size: 10px;
  padding: 3px 8px;
  border: 2px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 1px;
}

.mock-tab.active {
  border-color: var(--accent);
  color: var(--accent);
}

.mock-btn {
  display: block;
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  padding: 10px;
  text-align: center;
  border: none;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  cursor: default;
}

.mock-result {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  padding: 8px 10px;
  margin-bottom: 6px;
  font-size: 11px;
}

.mock-avatar {
  width: 28px;
  height: 28px;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.mock-info {
  flex: 1;
  min-width: 0;
}

.mock-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-meta {
  font-size: 10px;
  color: var(--text-muted);
}

.mock-catch {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 3px 6px;
  cursor: default;
  flex-shrink: 0;
}

/* ─── Steps ──────────────────────────────────────────────────────────────── */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-card {
  background: var(--bg-surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px 20px;
  position: relative;
  transition: transform 0.1s, box-shadow 0.1s, border-color 0.1s;
}

.step-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  border-color: var(--text-muted);
}

.step-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 2px;
  text-shadow: var(--shadow-sm);
  line-height: 1;
  margin-bottom: 4px;
}

.step-slash {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: block;
}

.step-title {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.step-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-connector {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--border);
  z-index: 1;
}

.step-connector::after {
  content: '';
  position: absolute;
  right: -4px;
  top: -3px;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--border);
}

/* ─── Features ───────────────────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px 20px;
  transition: transform 0.1s, box-shadow 0.1s, border-color 0.1s;
}

.feature-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-2);
}

.feature-icon {
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}

.feature-title {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--accent-2);
  margin-bottom: 8px;
  text-shadow: 1px 1px 0 #000;
}

.feature-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── Privacy ────────────────────────────────────────────────────────────── */

.privacy-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 640px;
}

.privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 16px 20px;
  background: var(--bg-surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.privacy-check {
  font-size: 16px;
  font-weight: 900;
  color: var(--accent);
  flex-shrink: 0;
  text-shadow: var(--shadow-sm);
  line-height: 1.6;
}

/* ─── Download ───────────────────────────────────────────────────────────── */

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.download-card {
  background: var(--bg-surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.download-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.download-card-icon {
  font-size: 32px;
  line-height: 1;
}

.download-card-title {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--text);
  text-transform: uppercase;
}

.download-card-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── Pin tip ─────────────────────────────────────────────────────────────── */

.pin-tip {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 32px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 2px solid var(--accent-2);
  box-shadow: var(--shadow);
}

.pin-tip-icon {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pin-tip-body {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.pin-tip-body strong {
  color: var(--accent-2);
  display: block;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.pin-tip-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pin-tip-list li {
  font-size: 12px;
  color: var(--text-muted);
}

.pin-tip-list li strong {
  color: var(--text);
  display: inline;
  margin-bottom: 0;
  letter-spacing: 0;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */

.footer {
  background: var(--bg-surface);
  border-top: 2px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--accent);
  text-shadow: var(--shadow-sm);
}

.footer-copy {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.1s;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ─── Blinking cursor effect ─────────────────────────────────────────────── */

.cursor {
  display: inline-block;
  width: 10px;
  height: 18px;
  background: var(--accent);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

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

/* ─── Decorative terminal prompt ─────────────────────────────────────────── */

.terminal-prompt {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.terminal-prompt::before {
  content: '>';
  color: var(--accent);
  font-weight: 900;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 720px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .intro-visual {
    display: none;
  }

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

  .step-connector {
    display: none;
  }

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

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

@media (max-width: 480px) {
  .hero {
    padding: 48px 0 48px;
  }

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

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

  .nav-links .nav-link-hide {
    display: none;
  }

  .hero-stat {
    gap: 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ─── Accessibility ──────────────────────────────────────────────────────── */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo { animation: none; }
  .cursor { animation: none; opacity: 1; }
  .step-card, .feature-card, .download-card { transition: none; }
  .btn { transition: none; }
  html { scroll-behavior: auto; }
}