/* ==========================================================================
   Suno Studio Suite & Downloader - Modern Dark Showcase Stylesheet
   Color scheme strictly synchronized with the Desktop App
   ========================================================================== */

:root {
  --bg-dark: #090c15;
  --bg-card: #0f1523;
  --bg-card-hover: #141c2e;
  --bg-card-border: rgba(255, 255, 255, 0.07);
  --bg-card-border-hover: rgba(99, 102, 241, 0.4);
  
  --primary-blue: #2563eb;
  --primary-indigo: #4f46e5;
  --primary-cyan: #06b6d4;
  --primary-purple: #9333ea;
  
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  --ai-gradient: linear-gradient(135deg, #9333ea 0%, #6366f1 50%, #06b6d4 100%);
  --glow-color: rgba(79, 70, 229, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: #f1f5f9;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  selection-background-color: #4f46e5;
  selection-color: #ffffff;
}

/* Custom Sleek Dark Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #090c15;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Background Gradients & Glow Blobs */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blob-1 {
  position: absolute;
  top: -15%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  border-radius: 50%;
}

.blob-2 {
  position: absolute;
  top: 40%;
  right: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(90px);
  border-radius: 50%;
}

.blob-3 {
  position: absolute;
  bottom: 5%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  border-radius: 50%;
}

/* Glassmorphism Card Style */
.glass-card {
  background: rgba(15, 21, 35, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--bg-card-border);
  border-radius: 1.25rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: var(--bg-card-border-hover);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6), 0 0 25px -5px var(--glow-color);
  transform: translateY(-2px);
}

/* Gradients and Text Accents */
.text-gradient-blue {
  background: linear-gradient(135deg, #60a5fa 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-ai {
  background: linear-gradient(135deg, #c084fc 0%, #818cf8 50%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  border-radius: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4);
  transition: all 0.25s ease;
}

.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: 0 15px 30px -5px rgba(37, 99, 235, 0.6);
  filter: brightness(1.1);
}

.btn-ai {
  background: var(--ai-gradient);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  border-radius: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 25px -5px rgba(147, 51, 234, 0.4);
  transition: all 0.25s ease;
}

.btn-ai:hover {
  transform: scale(1.03);
  box-shadow: 0 15px 30px -5px rgba(147, 51, 234, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.7);
  color: #f1f5f9;
  padding: 0.85rem 1.75rem;
  border-radius: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-purple {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.25);
}

.badge-blue {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

/* Mockup Container */
.mockup-window {
  background: #0d121f;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 35px -5px rgba(79, 70, 229, 0.3);
  overflow: hidden;
}

.mockup-header {
  background: #090c15;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup-dots {
  display: flex;
  gap: 0.4rem;
}

.mockup-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

/* Interactive Showcase Tabs */
.tab-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 0.65rem;
  border: 1px solid transparent;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: rgba(79, 70, 229, 0.15);
  color: #ffffff;
  border-color: rgba(99, 102, 241, 0.4);
}

.tab-btn:hover:not(.active) {
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.04);
}

/* Accordion FAQ */
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.faq-header {
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-header h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #f1f5f9;
  transition: color 0.2s ease;
}

.faq-header:hover h4 {
  color: #818cf8;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.6;
}

.faq-content.open {
  max-height: 500px;
  padding-bottom: 1.25rem;
  transition: max-height 0.3s ease-in-out;
}

.faq-icon {
  transition: transform 0.25s ease;
}

.faq-icon.rotated {
  transform: rotate(180deg);
}

/* Pulsing AI badge */
@keyframes neuralPulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.8)); }
  100% { transform: scale(1); opacity: 0.8; }
}

.animate-pulse-ai {
  animation: neuralPulse 3s infinite ease-in-out;
}