/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text-primary);
  color: #000;
  padding: 1rem 2.5rem;
  border-radius: 14px;
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.15);
  background: #f0f0f0;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--surface);
}

.btn-accent {
  background: var(--accent);
  color: var(--bg);
}

.header-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-size: 0.75rem;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #ff6b00;
  border-radius: 50%;
  box-shadow: 0 0 12px #ff6b00;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-actions {
    justify-content: center;
    gap: 1rem;
  }
}

.install-pill {
  padding: 0.8rem 1.2rem;
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.install-pill .prefix {
  color: var(--accent);
  font-weight: 700;
}

.install-pill .cmd {
  opacity: 0.8;
  letter-spacing: -0.02em;
}

@media (max-width: 480px) {
  .install-pill {
    font-size: 0.75rem;
    padding: 0.6rem 1rem;
  }
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  padding: 2.5rem;
  border-radius: 24px;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .card {
    padding: 1.5rem;
  }
}

.card:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

/* Terminal */
.terminal {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  width: 100%;
}

.terminal-header {
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

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

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.terminal-body {
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
}

.code-keyword { color: var(--accent); }
.code-class { color: #5fb4f4; }
.code-string { color: #99c794; }
.code-comment { color: var(--text-secondary); font-style: italic; }

@media (max-width: 768px) {
  .terminal-body {
    padding: 1.5rem;
    font-size: 0.8rem;
  }
}

/* Tabs */
.tabs-container {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  background: var(--surface);
  padding: 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-bottom: 3rem;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.tab-content {
  display: none;
  width: 100%;
}

.tab-content.active {
  display: flex;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 1024px) {
  .tab-content.active {
    flex-direction: column-reverse;
    gap: 3rem;
    text-align: center;
  }
  
  .tabs-nav {
    border-radius: 20px;
    padding: 0.5rem;
  }
}

/* Comparison Cards */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.comp-card {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

@media (max-width: 480px) {
  .comp-card {
    padding: 1.5rem;
  }
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.comp-badge {
  font-size: 0.6rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.comp-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #ff5f56;
}

.comp-void {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.75rem;
}

.comp-check {
  color: #27c93f;
  font-weight: 800;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .faq-item {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem 0;
  }
}

.faq-q {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.faq-a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Changelog */
.changelog-card {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
}

@media (max-width: 768px) {
  .changelog-card {
    padding: 2rem 1.5rem;
  }
}

.version-tag {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.v-num {
  font-size: 1.25rem;
  font-weight: 800;
}

.v-latest {
  font-size: 0.6rem;
  font-weight: 800;
  background: var(--accent);
  color: var(--bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.change-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.change-type {
  font-size: 0.6rem;
  font-weight: 900;
  text-transform: uppercase;
  min-width: 60px;
  padding-top: 0.3rem;
}

.type-added { color: #27c93f; }
.type-fixed { color: #ff5f56; }
.type-changed { color: #ffbd2e; }

.change-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Docs Specific */
.version-badge {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
  border: 1px solid var(--accent);
}