/* =============================================
   AirBeats x IceBeats — Rock & Urban Theme
   Inspired by the Valora IceBeats logo
   ============================================= */

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

/* ========================
   CSS Variables
   ======================== */
:root {
  /* Color Palette - IceBeats Logo Inspired */
  --bg-color: #080808;
  --bg-secondary: #0f0f0f;
  --bg-card: #111111;
  --bg-card-hover: #181818;

  /* Neon Lime Green — "Valora" graffiti color */
  --accent: #b3ff00;
  --accent-dark: #8acc00;
  --accent-glow: rgba(179, 255, 0, 0.15);
  --accent-glow-strong: rgba(179, 255, 0, 0.3);

  /* Cream/Off-white — "ICE BEATS" text color */
  --text-primary: #f0ead6;
  --text-secondary: #8a8070;
  --text-muted: #4a4438;

  /* Borders */
  --border: rgba(240, 234, 214, 0.08);
  --border-accent: rgba(179, 255, 0, 0.25);

  /* Typography */
  --font-display: 'Lacquer', cursive, sans-serif;
  --font-body: 'Outfit', sans-serif;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  /* Phone colors */
  --phone-bg: #0a0a0a;
  --phone-border: #1e1e1e;
}

/* Valora Handwriting/Graffiti Font styling */
.valora-font {
  font-family: 'Permanent Marker', cursive !important;
  color: var(--accent) !important;
  text-transform: none !important;
  font-weight: normal !important;
  font-size: 1.1em;
  display: inline-block;
  transform: rotate(-3deg);
  letter-spacing: 0.5px;
}

/* ========================
   Base Reset
   ======================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  /* Subtle noise texture */
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #050505; }
::-webkit-scrollbar-thumb {
  background: var(--accent-dark);
  border-radius: 3px;
}

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

/* ========================
   Buttons
   ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background-color: var(--accent);
  color: #080808;
  box-shadow: 0 0 0 0 var(--accent-glow-strong);
}
.btn-primary:hover {
  background-color: #c8ff1a;
  transform: translateY(-2px);
  box-shadow: 0 0 28px var(--accent-glow-strong), 0 8px 20px rgba(0,0,0,0.5);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 16px var(--accent-glow);
}

.btn-download-primary {
  background-color: transparent;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 8px 20px;
  font-size: 13px;
}
.btn-download-primary:hover {
  background-color: var(--accent);
  color: #080808;
  box-shadow: 0 0 20px var(--accent-glow-strong);
}

/* ========================
   Navigation Header
   ======================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(20px) saturate(150%);
  background-color: rgba(8, 8, 8, 0.9);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.main-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 6px;
  filter: brightness(1.1);
  transition: var(--transition);
}
.app-logo:hover {
  filter: brightness(1.3) drop-shadow(0 0 8px var(--accent));
}

.logo-text {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--text-primary);
  line-height: 1;
}
.logo-text span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--accent);
}
.nav-link:hover::after {
  width: 100%;
}

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

/* Language Selector */
.lang-selector { position: relative; }

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 4px;
  transition: var(--transition);
}
.lang-btn:hover {
  color: var(--accent);
  border-color: var(--border-accent);
}
.lang-btn .dropdown-arrow {
  font-size: 18px;
  transition: transform 0.3s ease;
}
.lang-selector.open .dropdown-arrow { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background-color: #0e0e0e;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  display: none;
  flex-direction: column;
  min-width: 150px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.8);
}
.lang-selector.open .lang-dropdown { display: flex; }

.lang-opt {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  padding: 9px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition);
}
.lang-opt:hover, .lang-opt.active {
  color: var(--accent);
  background-color: rgba(179, 255, 0, 0.06);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.hamburger-box {
  width: 24px;
  height: 18px;
  display: inline-block;
  position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  position: absolute;
  border-radius: 4px;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.hamburger-inner {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-inner::before {
  content: "";
  top: -8px;
  left: 0;
}

.hamburger-inner::after {
  content: "";
  bottom: -8px;
  left: 0;
}

/* Open/Active state animation */
.mobile-toggle.open .hamburger-inner {
  background-color: transparent;
}

.mobile-toggle.open .hamburger-inner::before {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--accent);
}

.mobile-toggle.open .hamburger-inner::after {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--accent);
}

/* ========================
   Hero Section
   ======================== */
.hero-section {
  position: relative;
  padding: 140px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Transparent Logo Background on Hero (Only at the beginning) */
.hero-section::after {
  content: '';
  position: absolute;
  top: 55%;
  right: 5%;
  transform: translateY(-50%);
  width: 750px;
  height: 750px;
  background-image: url('icebeats_logo.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12; /* Clean transparent effect */
  filter: drop-shadow(0 0 30px rgba(179, 255, 0, 0.1));
  pointer-events: none;
  z-index: 0;
}

/* Dynamic background lines */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(90deg, rgba(179,255,0,0.015) 1px, transparent 1px),
    linear-gradient(rgba(179,255,0,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
}

.hero-bg-glow {
  position: absolute;
  top: -10%;
  right: 20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(179, 255, 0, 0.05) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  z-index: 1;
  position: relative;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.dev-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  border: 1px solid var(--border-accent);
  padding: 7px 16px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: 0 0 12px rgba(179, 255, 0, 0.1), inset 0 0 12px rgba(179, 255, 0, 0.04);
}
.dev-badge .material-symbols-outlined {
  font-size: 15px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 96px;
  letter-spacing: 6px;
  line-height: 0.9;
  margin-bottom: 24px;
  color: var(--text-primary);
  text-shadow: 0 0 60px rgba(240, 234, 214, 0.06);
}

.hero-title .title-accent {
  color: var(--accent);
  -webkit-text-stroke: 0px;
  text-shadow: 0 0 30px rgba(179, 255, 0, 0.5);
}

.hero-description {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 44px;
  font-weight: 400;
  line-height: 1.7;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

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

/* ========================
   Hero Logo + Phone Mockups
   ======================== */
.hero-graphics {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  position: relative;
}

/* BIG Logo Feature in Hero */
.hero-logo-showcase {
  position: relative;
  width: 100%;
  max-width: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-img {
  width: 100%;
  max-width: 340px;
  object-fit: contain;
  filter: drop-shadow(0 0 30px rgba(179, 255, 0, 0.2)) drop-shadow(0 0 60px rgba(179, 255, 0, 0.08));
  animation: logoPulse 4s ease-in-out infinite;
  border-radius: 12px;
}

@keyframes logoPulse {
  0%, 100% {
    filter: drop-shadow(0 0 30px rgba(179, 255, 0, 0.2)) drop-shadow(0 0 60px rgba(179, 255, 0, 0.08));
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 50px rgba(179, 255, 0, 0.4)) drop-shadow(0 0 80px rgba(179, 255, 0, 0.15));
    transform: scale(1.02);
  }
}

/* Phone Mockups below hero logo */
.mockups-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-glow {
  position: absolute;
  width: 250px;
  height: 250px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(179, 255, 0, 0.08) 0%, transparent 70%);
  filter: blur(30px);
}

.phone-mockup {
  position: absolute;
  width: 210px;
  height: 430px;
  background-color: #1a1a1a;
  border-radius: 28px;
  padding: 6px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255,255,255,0.05);
  transition: transform 0.5s ease-in-out;
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 12px;
  background-color: #000;
  border-radius: 10px;
  z-index: 15;
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: var(--phone-bg);
  border-radius: 23px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 13px 2px;
  font-size: 9px;
  font-weight: 600;
  color: rgba(240, 234, 214, 0.7);
  z-index: 10;
}
.phone-status-bar .status-icons {
  display: flex;
  gap: 3px;
}
.phone-status-bar .status-icons span { font-size: 10px; }

.screen-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 7px 10px;
  overflow: hidden;
}

/* Phone arrangement */
.phone-left {
  left: 10px;
  top: 30px;
  transform: rotate(-8deg) scale(0.9);
  z-index: 1;
}
.phone-center {
  left: 50%;
  top: 0;
  transform: translateX(-50%) scale(1.05);
  z-index: 3;
}
.phone-right {
  right: 10px;
  top: 35px;
  transform: rotate(8deg) scale(0.9);
  z-index: 2;
}

.mockups-wrapper:hover .phone-left {
  transform: rotate(-12deg) translate(-25px, 10px) scale(0.92);
}
.mockups-wrapper:hover .phone-right {
  transform: rotate(12deg) translate(25px, 10px) scale(0.92);
}
.mockups-wrapper:hover .phone-center {
  transform: translateX(-50%) translateY(-10px) scale(1.08);
}

/* ========================
   Phone Screen Contents
   ======================== */
.home-header { display: flex; justify-content: space-between; align-items: center; margin-top: 3px; }
.profile-avatar span { font-size: 22px; color: var(--accent); }
.header-controls { display: flex; gap: 6px; color: var(--text-secondary); }
.header-controls span { font-size: 15px; }
.welcome-text { font-size: 13px; font-weight: 700; margin: 10px 0 7px; }
.pill-tabs { display: flex; gap: 5px; overflow-x: auto; white-space: nowrap; padding-bottom: 3px; }
.pill-tabs::-webkit-scrollbar { display: none; }
.pill-tab {
  background-color: rgba(240,234,214,0.05);
  padding: 3px 8px;
  border-radius: 10px;
  font-size: 8px;
  font-weight: 600;
  color: var(--text-secondary);
}
.pill-tab.active {
  background-color: var(--accent);
  color: #080808;
}
.section-title-sm { font-size: 9px; font-weight: 700; margin: 10px 0 6px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.quick-picks-list { display: flex; flex-direction: column; gap: 6px; }
.quick-pick-item {
  display: flex;
  align-items: center;
  gap: 7px;
  background-color: rgba(255,255,255,0.02);
  padding: 5px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.03);
}
.track-img { width: 24px; height: 24px; border-radius: 3px; }
.purple-art { background: linear-gradient(135deg, #3d1f7a, #b3ff00); }
.pink-art { background: linear-gradient(135deg, #7a1f55, #ff6b35); }
.blue-art { background: linear-gradient(135deg, #1f4a7a, #00d4ff); }
.track-info { flex: 1; overflow: hidden; }
.track-name { font-size: 9px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-artist { font-size: 7px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.phone-nav-bar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 5px 0;
  border-top: 1px solid rgba(255,255,255,0.04);
  background-color: rgba(10,10,10,0.8);
}
.nav-item { display: flex; flex-direction: column; align-items: center; color: var(--text-secondary); font-size: 7px; }
.nav-item.active { color: var(--accent); }
.nav-item span { font-size: 14px; margin-bottom: 1px; }

/* Player Screen */
.player-top { display: flex; justify-content: space-between; align-items: center; margin-top: 3px; color: var(--text-secondary); }
.player-top span { font-size: 15px; }
.playing-from { display: flex; flex-direction: column; align-items: center; }
.playing-label { font-size: 6px; color: var(--text-secondary); }
.playlist-name { font-size: 8px; font-weight: 700; color: var(--text-primary); }
.player-album-art { position: relative; width: 110px; height: 110px; margin: 12px auto; display: flex; align-items: center; justify-content: center; }
.album-glow { position: absolute; width: 100px; height: 100px; background: radial-gradient(circle, rgba(179,255,0,0.3) 0%, transparent 70%); filter: blur(8px); z-index: 1; }
.album-img-wrapper { position: relative; width: 100%; height: 100%; border-radius: 50%; background: #141410; border: 3px solid #1e1e1e; z-index: 2; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.vinyl-art {
  width: 100%;
  height: 100%;
  background: conic-gradient(from 0deg, #3d1f00, #b3ff00, #0a3d00, #b3ff00, #3d1f00);
  animation: rotateVinyl 10s linear infinite;
}
@keyframes rotateVinyl { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.track-meta { text-align: center; margin-bottom: 8px; }
.player-track-name { font-size: 11px; font-weight: 700; margin-bottom: 2px; }
.player-track-artist { font-size: 7.5px; color: var(--text-secondary); }
.player-action-icons { display: flex; justify-content: space-around; color: var(--text-secondary); margin-bottom: 10px; }
.player-action-icons span { font-size: 13px; cursor: pointer; }
.player-action-icons span:hover { color: var(--accent); }
.player-progress-area { padding: 0 3px; margin-bottom: 10px; }
.progress-bar-container { position: relative; height: 2px; background-color: rgba(255,255,255,0.08); border-radius: 2px; }
.progress-bar-filled { height: 100%; width: 30%; background-color: var(--accent); border-radius: 2px; }
.progress-bar-handle { position: absolute; top: 50%; left: 30%; transform: translate(-50%, -50%); width: 6px; height: 6px; border-radius: 50%; background-color: var(--accent); box-shadow: 0 0 6px rgba(179,255,0,0.8); }
.progress-time { display: flex; justify-content: space-between; font-size: 6.5px; color: var(--text-secondary); margin-top: 3px; }
.player-controls { display: flex; justify-content: space-between; align-items: center; padding: 0 3px; }
.player-controls span { cursor: pointer; }
.ctrl-secondary { font-size: 12px; color: var(--text-secondary); }
.ctrl-primary { font-size: 16px; color: var(--text-primary); }
.play-pause-btn { width: 28px; height: 28px; border-radius: 50%; background-color: var(--accent); color: #080808; display: flex; align-items: center; justify-content: center; }
.play-pause-btn span { font-size: 14px; font-weight: bold; }

/* Settings Screen */
.settings-header { display: flex; align-items: center; gap: 10px; margin-top: 3px; margin-bottom: 12px; }
.settings-header span { font-size: 15px; }
.settings-header h3 { font-size: 11px; font-weight: 700; }
.app-branding-sm { background-color: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 8px; padding: 8px; text-align: center; margin-bottom: 12px; }
.branding-logo-wrapper { width: 44px; height: 44px; margin: 0 auto 5px; }
.brand-logo-mini { width: 100%; height: 100%; object-fit: contain; border-radius: 4px; }
.brand-name-sm { font-size: 9px; font-weight: 700; }
.brand-dev-sm { font-size: 7px; color: var(--accent); }
.settings-section-title { font-size: 8px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-secondary); font-weight: 700; margin-bottom: 6px; }
.settings-item { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.02); }
.settings-icon { font-size: 14px; color: var(--accent); }
.settings-text { flex: 1; }
.settings-title { display: block; font-size: 9px; font-weight: 600; }
.settings-desc { display: block; font-size: 6.5px; color: var(--text-secondary); }
.settings-arrow { font-size: 10px; color: var(--text-secondary); }

/* ========================
   Section Common
   ======================== */
.section-header-container {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 70px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 72px;
  letter-spacing: 4px;
  margin-bottom: 16px;
  color: var(--text-primary);
  line-height: 1;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================
   Features Section
   ======================== */
.features-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
  position: relative;
}

.features-section::before {
  content: 'FEATURES';
  font-family: var(--font-display);
  font-size: 200px;
  color: rgba(179, 255, 0, 0.02);
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 20px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 22px;
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  transition: height 0.3s ease;
}

.feature-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(179,255,0,0.05);
}

.feature-card:hover::before {
  height: 100%;
}

.card-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background-color: rgba(179, 255, 0, 0.08);
  border: 1px solid rgba(179, 255, 0, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon-wrapper span { font-size: 20px; }

.card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================
   Interface Section
   ======================== */
.interface-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
}

.interface-header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}
.interface-header-wrapper .section-header-container {
  text-align: left;
  margin: 0;
}
.section-collapse-icon { font-size: 28px; color: var(--text-secondary); cursor: pointer; }

.showcase-container {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.showcase-display {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.showcase-display::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.showcase-content-area {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge-expressive {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(179, 255, 0, 0.08);
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 6px 12px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.badge-expressive span { font-size: 13px; }

.showcase-view-title {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 2px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.showcase-view-description {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 440px;
  line-height: 1.7;
}

.showcase-mockup-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  width: 100%;
  margin-bottom: 28px;
}

.nav-arrow {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-arrow:hover {
  background-color: var(--accent);
  color: #080808;
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow-strong);
}

.showcase-phone {
  width: 210px;
  height: 430px;
  background-color: #1a1a1a;
  border-radius: 28px;
  padding: 6px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.04);
  position: relative;
}

.slide-dots {
  display: flex;
  gap: 8px;
  margin: 0 auto 10px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background-color: rgba(240,234,214,0.1);
  cursor: pointer;
  transition: var(--transition);
}
.dot.active {
  background-color: var(--accent);
  width: 28px;
}

.swipe-hint { font-size: 11px; color: var(--text-secondary); margin: 0 auto; }

/* Tabs right side */
.showcase-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.active-view-indicator {
  display: flex;
  flex-direction: column;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.indicator-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 700;
  letter-spacing: 1px;
}
.indicator-number {
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 20px rgba(179,255,0,0.5);
}

.showcase-tabs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-tab-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background-color: rgba(15,15,15,0.6);
  cursor: pointer;
  transition: var(--transition);
}
.showcase-tab-item:hover {
  border-color: rgba(179,255,0,0.15);
  background-color: rgba(20,20,20,0.8);
}
.showcase-tab-item.active {
  background-color: rgba(179,255,0,0.05);
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(179,255,0,0.06);
}

.tab-thumbnail {
  width: 42px;
  height: 42px;
  border-radius: 4px;
  background-color: #0d0d0d;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  overflow: hidden;
  flex-shrink: 0;
}
.vinyl-art-mini {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #3d1f00, #b3ff00, #0a3d00, #b3ff00, #3d1f00);
}

.tab-title { font-size: 14px; font-weight: 700; color: var(--text-primary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.tab-desc { font-size: 11px; color: var(--text-secondary); }

/* ========================
   Downloads Section
   ======================== */
.downloads-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
  position: relative;
}

.downloads-section::before {
  content: 'GET IT';
  font-family: var(--font-display);
  font-size: 180px;
  color: rgba(179, 255, 0, 0.02);
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 20px;
  white-space: nowrap;
  pointer-events: none;
}

.downloads-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 40px;
  position: relative;
  z-index: 1;
}

.download-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 36px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.download-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 20px rgba(179,255,0,0.05);
}

.download-card:hover::before {
  opacity: 1;
}

.dl-card-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}

.platform-icon {
  width: 50px;
  height: 50px;
  border-radius: 4px;
  background-color: rgba(240,234,214,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.platform-icon span { font-size: 24px; }
.android-icon { color: #b3ff00; }
.windows-icon { color: #b3ff00; }

.platform-meta h3 {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--text-primary);
}
.platform-meta p { font-size: 13px; color: var(--text-secondary); }

.dl-badges { display: flex; gap: 8px; margin-bottom: 22px; }
.dl-badge { padding: 5px 14px; border-radius: 3px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.primary-badge { background-color: rgba(179,255,0,0.1); color: var(--accent); border: 1px solid var(--border-accent); }
.secondary-badge { background-color: rgba(240,234,214,0.05); color: var(--text-secondary); border: 1px solid var(--border); }

.dl-links { display: flex; gap: 24px; margin-bottom: 28px; }
.dl-sub-link {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
}
.dl-sub-link span:first-child { font-size: 17px; }
.dl-sub-link:hover { color: var(--accent); }

.card-divider { border: 0; height: 1px; background-color: var(--border); margin-bottom: 28px; }

.dl-action-area { display: flex; align-items: center; gap: 18px; }

.btn-download-card {
  background-color: var(--accent);
  color: #080808;
  flex: 1;
  justify-content: center;
  max-width: 240px;
  font-weight: 800;
  letter-spacing: 1.5px;
}
.btn-download-card:hover {
  background-color: #c8ff1a;
  box-shadow: 0 0 24px var(--accent-glow-strong);
}

.dl-requirement { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ========================
   Footer
   ======================== */
.main-footer {
  background-color: #050505;
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
  position: relative;
}

.main-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 300px;
}

.copyright-text { font-size: 12.5px; color: var(--text-secondary); }
.highlight-dev { color: var(--text-primary); font-weight: 600; }

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.footer-link-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  background-color: rgba(240,234,214,0.02);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
}
.footer-link-pill span { font-size: 15px; }
.footer-link-pill:hover {
  background-color: rgba(179,255,0,0.06);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 12px rgba(179,255,0,0.1);
}

.footer-divider { border: 0; height: 1px; background-color: var(--border); margin-bottom: 24px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.license-notice { font-size: 11px; color: var(--text-muted); }
.footer-nav { display: flex; gap: 28px; font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.footer-nav a:hover { color: var(--accent); }

/* ========================
   Demo Modal
   ======================== */
.demo-modal {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}
.demo-modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  background-color: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.9), 0 0 40px rgba(179,255,0,0.05);
  z-index: 10;
  animation: modalScale 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

@keyframes modalScale {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--text-primary);
}
.modal-close { background: transparent; border: 1px solid var(--border); border-radius: 3px; color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 4px; transition: var(--transition); }
.modal-close:hover { color: var(--accent); border-color: var(--border-accent); }

.modal-body { padding: 28px 22px; }

.demo-player-container { display: flex; flex-direction: column; align-items: center; }

.demo-album-art { position: relative; width: 150px; height: 150px; margin-bottom: 22px; display: flex; align-items: center; justify-content: center; }
.demo-vinyl {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #0a0a00, #b3ff00, #1a2a00, #b3ff00, #0a0a00);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 20px rgba(179,255,0,0.2);
  transition: transform 0.5s ease;
}
.demo-vinyl.playing { animation: rotateVinyl 6s linear infinite; }

.music-wave {
  position: absolute;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  width: 100px;
  height: 40px;
  bottom: 10px;
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.music-wave.active { opacity: 1; }
.music-wave span {
  width: 4px;
  background-color: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--accent);
  animation: bounceBar 1.2s ease infinite alternate;
}
.music-wave span:nth-child(2) { animation-delay: 0.15s; }
.music-wave span:nth-child(3) { animation-delay: 0.3s; }
.music-wave span:nth-child(4) { animation-delay: 0.05s; }
.music-wave span:nth-child(5) { animation-delay: 0.4s; }
.music-wave span:nth-child(6) { animation-delay: 0.2s; }
.music-wave span:nth-child(7) { animation-delay: 0.1s; }
.music-wave span:nth-child(8) { animation-delay: 0.35s; }
.music-wave span:nth-child(9) { animation-delay: 0.25s; }
.music-wave span:nth-child(10) { animation-delay: 0.45s; }

@keyframes bounceBar { 0% { height: 4px; } 100% { height: 36px; } }

.demo-track-info { text-align: center; margin-bottom: 22px; }
.demo-track-info h4 { font-family: var(--font-display); font-size: 18px; letter-spacing: 2px; margin-bottom: 4px; }
.demo-track-info p { font-size: 12px; color: var(--text-secondary); }

.demo-audio-player {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.btn-play-demo {
  background-color: var(--accent);
  color: #080808;
  border: none;
  padding: 11px 28px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-play-demo:hover {
  background-color: #c8ff1a;
  transform: scale(1.04);
  box-shadow: 0 0 20px var(--accent-glow-strong);
}

.volume-control { display: flex; align-items: center; gap: 10px; width: 100%; max-width: 200px; color: var(--accent); }
.volume-control input { flex: 1; accent-color: var(--accent); cursor: pointer; }
.demo-explanation { font-size: 11px; color: var(--text-secondary); text-align: center; }

/* ========================
   Responsive
   ======================== */
/* ========================
   Responsive Overhaul
   ======================== */
@media (max-width: 1100px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}

@media (max-width: 900px) {
  .hero-section { padding-top: 120px; }
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-content { align-items: center; }
  .hero-title { font-size: 72px; }
  .hero-description { border: none; padding: 0; margin: 0 auto 32px; }
  .hero-actions { justify-content: center; width: 100%; }
  
  /* Center transparent logo background on mobile */
  .hero-section::after {
    width: 500px;
    height: 500px;
    right: 50%;
    top: 50%;
    transform: translate(50%, -50%);
    opacity: 0.07;
  }
  
  .showcase-container { grid-template-columns: 1fr; gap: 32px; }
  .downloads-container { grid-template-columns: 1fr; gap: 20px; }
  .footer-top { flex-direction: column; align-items: center; text-align: center; }
  .footer-brand { align-items: center; max-width: none; }
}

@media (max-width: 768px) {
  .header-container { padding: 12px 20px; }
  .main-header .btn-download-primary { display: none; }
  
  /* Sliding Sidebar Drawer from right using transform & visibility to prevent overflow */
  .nav-menu {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    transform: translateX(100%);
    visibility: hidden;
    width: 280px;
    height: 100vh;
    background-color: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 32px;
    gap: 24px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s ease;
    z-index: 1000;
    box-shadow: -10px 0 30px rgba(0,0,0,0.6);
  }
  .nav-menu.open {
    transform: translateX(0);
    visibility: visible;
  }
  
  .mobile-toggle {
    display: block;
    z-index: 1001;
    padding: 6px;
  }
  
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; width: 100%; }
  
  /* 3-Column Tab row for mobile/tablet */
  .showcase-display {
    padding: 32px 16px;
    position: relative;
  }
  .showcase-mockup-wrapper {
    gap: 0;
    position: relative;
    width: 100%;
    justify-content: center;
  }
  .nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background-color: rgba(15, 15, 15, 0.85);
    backdrop-filter: blur(5px);
    border-color: var(--border-accent);
  }
  .prev-arrow { left: 4px; }
  .next-arrow { right: 4px; }

  .showcase-tabs-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    overflow-x: visible;
  }
  
  .showcase-tab-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 4px;
    gap: 6px;
    border-radius: 6px;
  }
  
  .showcase-tab-item .tab-desc {
    display: none; /* Hide descriptions on mobile */
  }
  
  .showcase-tab-item .tab-title {
    font-size: 11px;
    letter-spacing: 0.2px;
    white-space: nowrap;
    text-transform: none;
  }
  
  .tab-thumbnail {
    width: 32px;
    height: 32px;
    border-radius: 4px;
  }
  .vinyl-art-mini {
    width: 20px;
    height: 20px;
  }
  
  .active-view-indicator {
    align-items: center;
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 52px; letter-spacing: 3px; }
  .hero-description { font-size: 15px; }
  
  /* Scale down the overlapping mockups so they fit on narrow screens */
  .mockups-wrapper {
    transform: scale(0.75);
    height: 380px;
    margin-top: -30px;
    margin-bottom: -30px;
  }
  
  .features-grid { grid-template-columns: 1fr; }
  .footer-links-grid { grid-template-columns: 1fr; }
  
  .showcase-display {
    padding: 24px 16px;
  }
  .showcase-mockup-wrapper {
    gap: 10px;
  }
  .showcase-phone {
    width: 180px;
    height: 370px;
    border-radius: 24px;
  }
  .phone-screen {
    border-radius: 19px;
  }
  
  .download-card {
    padding: 24px;
  }
  
  .dl-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .dl-action-area {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .btn-download-card {
    max-width: none;
  }
}