/* ========================================
   RESSO MUSIC APP - Complete Stylesheet
   Modern, vibrant, music-inspired UI
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary: #FF2D55;
  --primary-light: #FF6B6B;
  --primary-dark: #E01E4E;
  --gradient-primary: linear-gradient(135deg, #FF2D55, #FF6B6B);
  --gradient-hero: linear-gradient(135deg, #0F0F1A 0%, #1A1A2E 50%, #16213E 100%);
  --gradient-card: linear-gradient(145deg, #1A1A2E, #16213E);
  --gradient-premium: linear-gradient(135deg, #FFD93D, #FF6B6B);
  --bg-dark: #0F0F1A;
  --bg-surface: #1A1A2E;
  --bg-surface-light: #16213E;
  --bg-card: #1E1E36;
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0C0;
  --text-muted: #6C6C80;
  --accent-gold: #FFD93D;
  --accent-green: #6BCB77;
  --accent-blue: #4D9DE0;
  --accent-purple: #A855F7;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(255, 45, 85, 0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 50%;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul { list-style: none; }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(255, 45, 85, 0.12);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.text-center { text-align: center; }

/* ===== ANIMATED BACKGROUND ELEMENTS ===== */
.music-note {
  position: absolute;
  font-size: 2rem;
  opacity: 0.08;
  animation: floatNote 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.music-note:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.music-note:nth-child(2) { top: 30%; right: 8%; animation-delay: 1.5s; font-size: 3rem; }
.music-note:nth-child(3) { bottom: 20%; left: 10%; animation-delay: 3s; }
.music-note:nth-child(4) { bottom: 10%; right: 5%; animation-delay: 4.5s; font-size: 2.5rem; }

@keyframes floatNote {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.08; }
  25% { transform: translateY(-20px) rotate(5deg); opacity: 0.12; }
  50% { transform: translateY(-10px) rotate(-5deg); opacity: 0.1; }
  75% { transform: translateY(-30px) rotate(3deg); opacity: 0.15; }
}

/* ===== STICKY NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(15, 15, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  z-index: 1001;
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: white;
  box-shadow: 0 4px 15px rgba(255, 45, 85, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-premium {
  padding: 8px 20px;
  background: var(--gradient-premium);
  color: #1A1A2E;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-nav-premium:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(255, 217, 61, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 45, 85, 0.12);
  border: 1px solid rgba(255, 45, 85, 0.2);
  padding: 6px 16px 6px 8px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 30px rgba(255, 45, 85, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255, 45, 85, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(255, 45, 85, 0.08);
  transform: translateY(-3px);
}

.btn-gold {
  background: var(--gradient-premium);
  color: #1A1A2E;
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(255, 217, 61, 0.35);
}

.btn-gold:hover {
  box-shadow: 0 12px 40px rgba(255, 217, 61, 0.5);
}

.btn-green {
  background: linear-gradient(135deg, #6BCB77, #4ECB71);
  box-shadow: 0 8px 30px rgba(107, 203, 119, 0.35);
}

.btn-green:hover {
  box-shadow: 0 12px 40px rgba(107, 203, 119, 0.5);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.hero-stat h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.hero-stat p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-mockup {
  position: relative;
  width: 320px;
  height: 620px;
  background: linear-gradient(145deg, #1A1A2E, #222240);
  border-radius: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(255, 45, 85, 0.15);
  overflow: hidden;
  padding: 16px;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.mockup-header .time {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mockup-header .icons {
  display: flex;
  gap: 6px;
}

.mockup-header .icons span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.mockup-header .icons span:nth-child(1) { background: var(--accent-green); }
.mockup-header .icons span:nth-child(2) { background: var(--accent-gold); }
.mockup-header .icons span:nth-child(3) { background: var(--primary); }

.mockup-now-playing {
  text-align: center;
  padding: 20px 0;
}

.mockup-album-art {
  width: 180px;
  height: 180px;
  border-radius: 20px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  box-shadow: 0 20px 60px rgba(255, 45, 85, 0.3);
  animation: pulseAlbum 4s ease-in-out infinite;
}

@keyframes pulseAlbum {
  0%, 100% { transform: scale(1); box-shadow: 0 20px 60px rgba(255, 45, 85, 0.3); }
  50% { transform: scale(1.03); box-shadow: 0 25px 70px rgba(255, 45, 85, 0.4); }
}

.mockup-track-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.mockup-artist {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.mockup-progress {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-bottom: 8px;
  position: relative;
}

.mockup-progress .fill {
  width: 65%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  position: relative;
}

.mockup-progress .fill::after {
  content: '';
  position: absolute;
  right: -4px;
  top: -3px;
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
}

.mockup-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.mockup-controls {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.mockup-controls .play {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(255, 45, 85, 0.4);
}

.mockup-lyrics {
  margin-top: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  text-align: center;
}

.mockup-lyrics p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}

.mockup-lyrics .active-lyric {
  color: var(--primary-light);
  font-weight: 600;
}

/* Floating elements around mockup */
.floating-badge {
  position: absolute;
  padding: 12px 18px;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  animation: float 6s ease-in-out infinite;
  pointer-events: none;
}

.floating-badge.top-right {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-badge.bottom-left {
  bottom: 15%;
  left: -10%;
  animation-delay: 2s;
}

.floating-badge .badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.floating-badge .badge-icon.green { background: rgba(107, 203, 119, 0.2); color: var(--accent-green); }
.floating-badge .badge-icon.gold { background: rgba(255, 217, 61, 0.2); color: var(--accent-gold); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ===== TRENDING / PLAYLISTS SECTION ===== */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.playlist-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.playlist-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.playlist-card:hover::before { transform: scaleX(1); }

.playlist-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 45, 85, 0.2);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.playlist-cover {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.playlist-cover .play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.playlist-card:hover .play-overlay { opacity: 1; }

.play-overlay .play-btn-circle {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: 0 4px 20px rgba(255, 45, 85, 0.5);
  transform: scale(0.8);
  transition: var(--transition);
}

.playlist-card:hover .play-btn-circle { transform: scale(1); }

.playlist-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.playlist-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== FEATURES SECTION ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.05), transparent 70%);
  transition: var(--transition);
  pointer-events: none;
}

.feature-card:hover::after {
  top: -30%;
  right: -30%;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 45, 85, 0.15);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
}

.feature-icon.gradient-pink { background: rgba(255, 45, 85, 0.15); color: var(--primary-light); }
.feature-icon.gradient-gold { background: rgba(255, 217, 61, 0.15); color: var(--accent-gold); }
.feature-icon.gradient-green { background: rgba(107, 203, 119, 0.15); color: var(--accent-green); }
.feature-icon.gradient-blue { background: rgba(77, 157, 224, 0.15); color: var(--accent-blue); }
.feature-icon.gradient-purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== APP SHOWCASE ===== */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.showcase-item {
  text-align: center;
  transition: var(--transition);
}

.showcase-item:hover { transform: translateY(-5px); }

.showcase-screen {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  aspect-ratio: 9/19;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  font-size: 2rem;
}

.showcase-item:hover .showcase-screen {
  border-color: rgba(255, 45, 85, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.showcase-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: var(--accent-gold);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.testimonial-author h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== PREMIUM PLANS ===== */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  align-items: start;
}

.plan-card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
}

.plan-card.featured {
  border-color: var(--accent-gold);
  box-shadow: 0 0 40px rgba(255, 217, 61, 0.1);
  transform: scale(1.03);
}

.plan-card.featured:hover {
  box-shadow: 0 0 60px rgba(255, 217, 61, 0.2);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-premium);
  color: #1A1A2E;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.plan-price .currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.plan-price .amount {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.plan-price .period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features {
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child { border-bottom: none; }

.plan-features li .check {
  color: var(--accent-green);
  font-weight: 700;
  flex-shrink: 0;
}

.plan-features li .cross {
  color: var(--text-muted);
  flex-shrink: 0;
}

.plan-card .btn-primary,
.plan-card .btn-secondary {
  width: 100%;
  justify-content: center;
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  background: #1A1A2E;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: var(--transition);
  max-width: 280px;
}

.download-btn:hover {
  border-color: var(--primary);
  background: rgba(255, 45, 85, 0.08);
  transform: translateX(5px);
}

.download-btn .btn-icon {
  font-size: 1.8rem;
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn .btn-text small {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.download-btn .btn-text strong {
  font-size: 1.1rem;
  font-weight: 700;
}

.download-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.qr-code-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  background: white;
  border-radius: var(--radius-md);
  margin-top: 24px;
}

.qr-code-box .qr-placeholder {
  width: 120px;
  height: 120px;
  background: #1A1A2E;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.7rem;
  text-align: center;
  border-radius: 8px;
}

.qr-code-box p {
  font-size: 0.8rem;
  color: #666;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(255, 45, 85, 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-question .faq-icon {
  font-size: 1.2rem;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.active .faq-question .faq-icon {
  transform: rotate(45deg);
  color: var(--primary-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== NEWSLETTER ===== */
.newsletter-box {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.newsletter-box::before {
  content: '♪';
  position: absolute;
  top: -20px;
  right: -10px;
  font-size: 8rem;
  opacity: 0.04;
  pointer-events: none;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

.newsletter-form input:focus {
  border-color: var(--primary);
  background: rgba(255, 45, 85, 0.06);
}

.newsletter-form button {
  padding: 14px 28px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.newsletter-form button:hover {
  box-shadow: 0 4px 20px rgba(255, 45, 85, 0.4);
}

/* ===== SUPPORTED DEVICES ===== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 20px;
}

.device-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.device-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 45, 85, 0.15);
}

.device-card .device-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.device-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.device-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== ABOUT / STATS ===== */
.about-hero {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.about-hero h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== TEAM ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.team-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-5px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.team-card h4 {
  font-size: 1rem;
  font-weight: 700;
}

.team-card span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FEATURES DETAILED ===== */
.feature-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-detail-grid:last-child { margin-bottom: 0; }

.feature-detail-grid.reverse {
  direction: rtl;
}

.feature-detail-grid.reverse > * {
  direction: ltr;
}

.feature-detail-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-detail-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-detail-list li .list-icon {
  color: var(--accent-green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-detail-visual {
  display: flex;
  justify-content: center;
}

.feature-detail-screen {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1A1A2E, #222240);
  border-radius: 36px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-detail-screen:hover {
  border-color: rgba(255, 45, 85, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.feature-detail-screen p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 200px;
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.comparison-table th {
  background: rgba(255, 45, 85, 0.1);
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-table th:first-child {
  text-align: left;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-table td {
  color: var(--text-secondary);
}

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table .check { color: var(--accent-green); font-weight: 700; }
.comparison-table .cross { color: var(--text-muted); }

/* ===== FOOTER ===== */
.footer {
  background: #0A0A14;
  border-top: 1px solid var(--border-color);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 16px 0 20px;
  max-width: 300px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: var(--transition);
  animation: whatsappPulse 2s ease-in-out infinite;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
  color: white;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero p { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }

  .hero-visual { margin-top: 40px; }

  .floating-badge.top-right { right: 5%; }
  .floating-badge.bottom-left { left: 5%; }

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

  .feature-detail-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-detail-grid.reverse { direction: ltr; }

  .feature-detail-list li { justify-content: center; }

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

  .download-buttons { align-items: center; }
  .download-btn { max-width: 100%; }

  .plans-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  .plan-card.featured { transform: none; }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section { padding: 60px 0; }

  .section-title { font-size: 1.8rem; }
  .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }

  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 0.95rem; }

  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-stat h3 { font-size: 1.4rem; }

  .hero-mockup { width: 260px; height: 520px; }
  .mockup-album-art { width: 140px; height: 140px; font-size: 2rem; }

  .floating-badge { display: none; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 20px;
    transition: var(--transition);
    border-left: 1px solid var(--border-color);
  }

  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; }

  .nav-cta { display: none; }
  .nav-links .nav-cta-mobile { display: flex; flex-direction: column; width: 100%; margin-top: 16px; }
  .nav-links .nav-cta-mobile .btn-nav-premium { width: 100%; text-align: center; }

  .hamburger { display: flex; }

  .features-grid { grid-template-columns: 1fr; }
  .playlists-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .testimonials-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { margin: 16px auto 20px; }
  .footer-social { justify-content: center; }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .newsletter-form { flex-direction: column; }
  .newsletter-form button { width: 100%; }

  .page-header { padding: 120px 0 60px; }
  .page-header h1 { font-size: 2rem; }

  .stats-grid { margin-top: 0; grid-template-columns: repeat(2, 1fr); }

  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .comparison-table { font-size: 0.8rem; }
  .comparison-table th,
  .comparison-table td { padding: 10px 8px; }

  .feature-detail-text h2 { font-size: 1.5rem; }
  .feature-detail-screen { width: 220px; height: 440px; }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
    bottom: 16px;
    right: 16px;
  }

  .plan-card.featured { transform: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero h1 { font-size: 1.8rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }

  .hero-mockup { width: 220px; height: 440px; padding: 12px; }
  .mockup-album-art { width: 110px; height: 110px; font-size: 1.5rem; }
  .mockup-controls { gap: 16px; }

  .playlists-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .playlist-card { padding: 16px; }
  .playlist-card h3 { font-size: 0.9rem; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px; }
  .stat-number { font-size: 1.8rem; }

  .team-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

  .showcase-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .showcase-screen { max-width: 160px; }

  .plan-card { padding: 24px 20px; }
  .plan-price .amount { font-size: 2rem; }

  .testimonial-card { padding: 20px; }

  .comparison-table { display: block; overflow-x: auto; }

  .devices-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}