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

/* ==========================================================================
   EUPHONY NEO-BRUTALIST DESIGN SYSTEM & TOKENS
   Inspired by Euphony Flutter App (`lib/design/tokens/brutal.dart`)
   ========================================================================== */

:root, [data-theme="light"] {
  /* Colors */
  --eu-ink: #121218;
  --eu-accent: #6A4BE8;
  --eu-accent-hover: #5639CC;
  --eu-highlight: #FFE14D;
  --eu-alert: #D81B60;
  --eu-surface: #FAF7F2;
  --eu-card-bg: #FFFFFF;
  --eu-container: #FFFBEB;
  --eu-container-high: #F3E8FF;
  --eu-container-highest: #E0F2FE;
  
  /* Text */
  --eu-text: #121218;
  --eu-text-muted: #52525C;
  --eu-on-accent: #FFFFFF;
  --eu-on-highlight: #1A1500;
  --eu-on-alert: #FFFFFF;

  /* Borders & Shapes */
  --eu-border: 2px solid var(--eu-ink);
  --eu-border-thin: 1.5px solid var(--eu-ink);
  --eu-radius-sm: 8px;
  --eu-radius: 12px;
  --eu-radius-lg: 18px;
  --eu-radius-pill: 9999px;

  /* Shadows - Hard brutalist offsets (zero blur) */
  --eu-shadow-sm: 2.5px 2.5px 0px var(--eu-ink);
  --eu-shadow: 4px 4px 0px var(--eu-ink);
  --eu-shadow-lg: 6px 6px 0px var(--eu-ink);
  --eu-shadow-xl: 8px 8px 0px var(--eu-ink);
  --eu-glow: 0 0 28px -6px rgba(106, 75, 232, 0.4);

  /* Frosted Glass Tokens */
  --eu-glass-bg: rgba(255, 255, 255, 0.78);
  --eu-glass-border: rgba(18, 18, 24, 0.09);
  --eu-glass-highlight: rgba(255, 255, 255, 0.9);
  --eu-glass-blur: blur(24px) saturate(170%);
  --eu-glass-shadow: 0 16px 40px -12px rgba(18, 18, 24, 0.08), 3px 3px 0 var(--eu-ink);

  /* Navbar */
  --eu-nav-bg: rgba(250, 247, 242, 0.85);

  /* Motion - Exact spring curves from brutal.dart & motion.dart */
  --eu-ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --eu-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --eu-transition: all 0.22s var(--eu-ease-spring);
}

[data-theme="dark"] {
  /* Exact Euphony App Dark Neo-Brutalism tokens from brutal.dart */
  --eu-ink: #F4F3FA;
  --eu-surface: #0D0D14;
  --eu-card-bg: #17171F;
  --eu-container: #17171F;
  --eu-container-high: #20202C;
  --eu-container-highest: #282838;
  
  --eu-text: #F4F3FA;
  --eu-text-muted: #9E9EB2;
  
  --eu-border: 2px solid rgba(244, 243, 250, 0.16);
  --eu-border-thin: 1.5px solid rgba(244, 243, 250, 0.12);
  
  --eu-shadow-sm: 2.5px 2.5px 0px #04040A;
  --eu-shadow: 4px 4px 0px #04040A;
  --eu-shadow-lg: 6px 6px 0px #04040A;
  --eu-shadow-xl: 8px 8px 0px #04040A;
  --eu-glow: 0 0 32px -4px rgba(106, 75, 232, 0.55);

  /* Frosted Glass Tokens (Dark) */
  --eu-glass-bg: rgba(23, 23, 31, 0.72);
  --eu-glass-border: rgba(244, 243, 250, 0.12);
  --eu-glass-highlight: rgba(255, 255, 255, 0.06);
  --eu-glass-blur: blur(24px) saturate(180%);
  --eu-glass-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.6), 3px 3px 0 #04040A;

  --eu-nav-bg: rgba(13, 13, 20, 0.85);
}

[data-theme="amoled"] {
  --eu-ink: #FFFFFF;
  --eu-surface: #000000;
  --eu-card-bg: #0C0C12;
  --eu-container: #12121A;
  --eu-container-high: #1A1A26;
  --eu-container-highest: #242436;
  
  --eu-text: #FFFFFF;
  --eu-text-muted: #9E9EB0;
  
  --eu-border: 2px solid #242436;
  --eu-border-thin: 1.5px solid #242436;
  
  /* Vibrant violet hard shadow in AMOLED mode for contrast */
  --eu-shadow-sm: 2.5px 2.5px 0px var(--eu-accent);
  --eu-shadow: 4px 4px 0px var(--eu-accent);
  --eu-shadow-lg: 6px 6px 0px var(--eu-accent);
  --eu-shadow-xl: 8px 8px 0px var(--eu-accent);
  --eu-glow: 0 0 36px 0px rgba(106, 75, 232, 0.65);

  /* Frosted Glass Tokens (AMOLED) */
  --eu-glass-bg: rgba(12, 12, 18, 0.82);
  --eu-glass-border: rgba(106, 75, 232, 0.28);
  --eu-glass-highlight: rgba(106, 75, 232, 0.15);
  --eu-glass-blur: blur(24px) saturate(190%);
  --eu-glass-shadow: 0 20px 48px -12px rgba(106, 75, 232, 0.35), 3px 3px 0 var(--eu-accent);

  --eu-nav-bg: rgba(0, 0, 0, 0.88);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--eu-surface);
  color: var(--eu-text);
  line-height: 1.5;
  overflow-x: hidden;
  width: 100%;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

section[id] {
  scroll-margin-top: 5.5rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--eu-text);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  border: none;
  background: none;
}

/* Accessibility: Ensure form inputs prevent iOS auto-zoom behavior on mobile */
input, select, textarea {
  font-family: inherit;
  font-size: 16px;
}

/* Custom Brutalist Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar-track {
  background: var(--eu-surface);
  border-left: var(--eu-border);
}
::-webkit-scrollbar-thumb {
  background: var(--eu-accent);
  border: var(--eu-border-thin);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--eu-accent-hover);
}

/* ==========================================================================
   ICONS
   ========================================================================== */

.eu-icon {
  width: 20px;
  height: 20px;
  stroke-width: 2.5px;
  flex-shrink: 0;
  vertical-align: middle;
}

.lucide {
  display: inline-block;
  vertical-align: middle;
}

/* Ensure buttons flex nicely with icons */
.btn-primary, .btn-secondary, .btn-nav-download, .nav-link, .mobile-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--eu-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--eu-border);
  padding: 0.85rem 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--eu-text);
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  object-position: center;
  display: block;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  flex-shrink: 0;
}

.brand-badge {
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
  padding: 0.2rem 0.5rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border-thin);
  box-shadow: var(--eu-shadow-sm);
  margin-left: 0.25rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease, transform 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--eu-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Switcher Toggle Group (Modern Tactile Segmented Control) */
.theme-switcher {
  display: inline-flex;
  align-items: center;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: 14px;
  padding: 3px;
  box-shadow: var(--eu-shadow-sm);
  gap: 3px;
}

.desktop-only-theme {
  display: none;
}

.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 10px;
  color: var(--eu-text-muted);
  border: 1.5px solid transparent;
  transition: all 0.18s ease;
  background: transparent;
}

.theme-btn.active {
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  border-color: var(--eu-ink);
  box-shadow: 1.5px 1.5px 0px var(--eu-ink);
}

.theme-btn:hover:not(.active) {
  color: var(--eu-text);
  background-color: rgba(106, 75, 232, 0.08);
}

/* Download Navbar Button */
.btn-nav-download {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  padding: 0.55rem 1.15rem;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow);
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  height: 40px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-nav-download:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow-lg);
  background-color: var(--eu-accent-hover);
}

.btn-nav-download:active {
  transform: translate(2px, 2px);
  box-shadow: var(--eu-shadow-sm);
}

/* Mobile Hamburger & Drawer (Default on Mobile & Tablet, Hidden on Desktop) */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 44px;
  height: 44px;
  min-width: 44px; /* Accessible touch target >=44px */
  min-height: 44px;
  padding: 11px 9px;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-sm);
  box-shadow: var(--eu-shadow-sm);
  cursor: pointer;
  z-index: 1002;
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.hamburger-btn:hover {
  background-color: var(--eu-surface);
}

.hamburger-bar {
  width: 100%;
  height: 2.5px;
  background-color: var(--eu-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}
.hamburger-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

.mobile-menu-drawer {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--eu-surface);
  border-bottom: 2.5px solid var(--eu-ink);
  box-shadow: 0px 10px 0px var(--eu-ink);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  z-index: 999;
}

.mobile-menu-drawer.open {
  max-height: 650px;
  opacity: 1;
  box-shadow: 0 100vh rgba(0, 0, 0, 0.55), 0px 10px 0px var(--eu-ink);
}

.mobile-menu-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-theme-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-bottom: 2px dashed var(--eu-ink, #121218);
  padding-bottom: 1.25rem;
}

.mobile-menu-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--eu-text-muted);
}

.mobile-theme-switcher {
  display: flex;
  gap: 4px;
  width: 100%;
  padding: 4px;
  border-radius: 14px;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
}

.mobile-theme-switcher .theme-btn {
  flex: 1;
  min-height: 44px; /* Accessible touch target >=44px */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-align: center;
  padding: 0.55rem 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 10px;
  border: 1.5px solid transparent;
  transition: all 0.15s ease;
}

.mobile-theme-switcher .theme-btn.active {
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  border-color: var(--eu-ink);
  box-shadow: 1.5px 1.5px 0px var(--eu-ink);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--eu-text);
  min-height: 48px; /* Accessible touch target >=44px */
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-sm);
  box-shadow: var(--eu-shadow-sm);
  text-decoration: none;
  transition: all 0.15s ease;
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow);
}

/* ==========================================================================
   HERO SECTION (RICH NEO-BRUTALISM + GLASSMORPHISM) - MOBILE-FIRST BASE
   ========================================================================== */

.hero {
  position: relative;
  width: 100%;
  min-height: auto;
  max-height: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 0 2.5rem;
  overflow: visible; /* Prevents clipping of smartphone chassis & docked screen switcher tabs */
}

/* Ambient glow blobs behind the hero */
.hero-ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.42;
  z-index: 0;
}

.hero-ambient-glow.glow-purple {
  width: clamp(260px, 75vw, 450px);
  height: clamp(260px, 75vw, 450px);
  top: -40px;
  right: 5%;
  background: radial-gradient(circle, #6A4BE8 0%, rgba(106, 75, 232, 0) 70%);
}

.hero-ambient-glow.glow-yellow {
  width: clamp(220px, 65vw, 380px);
  height: clamp(220px, 65vw, 380px);
  bottom: 0px;
  left: 2%;
  background: radial-gradient(circle, #FFE14D 0%, rgba(255, 225, 77, 0) 70%);
  opacity: 0.28;
}

/* Mobile-First: Single-column vertical stack by default */
.hero-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  gap: 1.15rem;
}

/* Frosted glass capsule badge */
.hero-capsule-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  padding: 0.4rem 0.85rem;
  min-height: 36px;
  border-radius: var(--eu-radius-pill);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(0.7rem, 2.2vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: 1.5px solid var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  color: var(--eu-text);
  line-height: 1.3;
}

.hero-capsule-badge .badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulseDot 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2rem, 7.5vw, 2.65rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.hero-title-highlight {
  display: inline-block;
  background: linear-gradient(135deg, var(--eu-highlight), #FFE14D);
  color: #1A1500;
  padding: 0 0.5rem;
  border-radius: var(--eu-radius-sm);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  transform: rotate(-1.5deg);
  margin-top: 0.2rem;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 3.5vw, 1.05rem);
  color: var(--eu-text-muted);
  font-weight: 500;
  line-height: 1.5;
  max-width: 100%;
}

/* CTA Group: Full width stacked buttons on mobile */
.hero-cta-group {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 0.75rem;
}

/* Primary Brutalist Button (Accessibility target: >=44px) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow), 0 8px 20px -4px rgba(106, 75, 232, 0.4);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow-lg), 0 12px 24px -4px rgba(106, 75, 232, 0.55);
  background-color: var(--eu-accent-hover);
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: var(--eu-shadow-sm);
}

/* Secondary Frosted Brutalist Button (Accessibility target: >=44px) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  color: var(--eu-text);
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow);
  background-color: var(--eu-container-high);
}

.btn-secondary:active {
  transform: scale(0.97);
  box-shadow: var(--eu-shadow-sm);
}

/* Auto-detected OS badge indicator inside Hero */
.os-indicator-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--eu-text-muted);
  line-height: 1.35;
  width: 100%;
}

.os-indicator-badge strong {
  color: var(--eu-accent);
}

/* Hero Trust & Feature Pills (Flexible wrapping row) */
.hero-feature-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  margin-top: 0.15rem;
}

.hero-pill-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  min-height: 40px;
  border-radius: var(--eu-radius-pill);
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: var(--eu-border-thin);
  box-shadow: var(--eu-shadow-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--eu-text);
  white-space: nowrap;
  flex: 1 1 auto;
  justify-content: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-pill-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--eu-shadow);
}

.hero-pill-item i,
.hero-pill-item svg {
  color: var(--eu-accent);
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   PREMIUM SMARTPHONE HARDWARE SHOWCASE (MOBILE-FIRST BASE)
   ========================================================================== */

.phone-showcase-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.phone-backlight {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(240px, 70vw, 300px);
  height: clamp(340px, 100vw, 420px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106, 75, 232, 0.45) 0%, rgba(255, 225, 77, 0.15) 50%, transparent 75%);
  filter: blur(45px);
  pointer-events: none;
  z-index: 0;
}

/* Smartphone Hardware Frame - Fluid Viewport Clamp */
.phone-device {
  position: relative;
  width: clamp(230px, 70vw, 260px);
  height: clamp(460px, 140vw, 520px);
  border-radius: 40px;
  background: linear-gradient(145deg, #30303D, #161622 55%, #2B2B38);
  border: 2.5px solid var(--eu-ink);
  box-shadow: 0 24px 50px -15px rgba(0, 0, 0, 0.4), var(--eu-shadow);
  padding: 8px;
  z-index: 5;
  transition: transform 0.35s var(--eu-ease-spring), box-shadow 0.35s var(--eu-ease-spring);
}

.phone-device:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 60px -15px rgba(106, 75, 232, 0.35), var(--eu-shadow);
}

/* Dynamic Island */
.phone-dynamic-island {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 78px;
  height: 20px;
  background-color: #000000;
  border-radius: 20px;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 7px;
}

.island-camera {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #111827;
  border: 1.5px solid #1F2937;
}

/* Screen switcher tab capsule docked below phone */
/* Screen switcher tab capsule docked below phone */
.phone-tabs-bar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: var(--eu-border);
  border-radius: var(--eu-radius-pill);
  box-shadow: var(--eu-shadow-sm);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  z-index: 10;
  width: max-content;
  max-width: 100%;
  box-sizing: border-box;
}

.phone-tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  min-height: 44px; /* Accessible minimum touch target >=44px */
  border-radius: var(--eu-radius-pill);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(0.72rem, 2.3vw, 0.78rem);
  font-weight: 700;
  color: var(--eu-text);
  border: 1.5px solid transparent;
  transition: all 0.2s var(--eu-ease-spring);
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
}

.phone-tab-btn:hover {
  background-color: rgba(106, 75, 232, 0.1);
}

.phone-tab-btn.active {
  background-color: var(--eu-accent);
  color: #FFFFFF;
  border-color: var(--eu-ink);
  box-shadow: 1.5px 1.5px 0px var(--eu-ink);
}

/* Phone Screen Viewport */
.phone-screen-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 38px;
  overflow: hidden;
  background-color: #000000;
}

.phone-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: none;
}

.phone-screen-img.active {
  display: block;
  animation: phoneImgFade 0.3s ease-out;
}

@keyframes phoneImgFade {
  0% { opacity: 0; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}

/* Diagonal Specular Reflection across phone screen */
.phone-specular-glare {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 38px;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.02) 35%, transparent 60%);
  pointer-events: none;
  z-index: 20;
}

@media (max-height: 760px) and (min-width: 900px) {
  .hero {
    min-height: calc(100vh - 66px);
    padding: 0.5rem 0 1rem;
  }
  .hero-container {
    gap: 2rem;
  }
  .hero-title {
    font-size: 2.75rem;
    line-height: 1.08;
  }
  .hero-subtitle {
    font-size: 0.96rem;
    line-height: 1.42;
  }
  .phone-device {
    height: 480px;
    width: 242px;
  }
  .phone-tabs-bar {
    margin-top: 0.5rem;
    margin-bottom: 0;
  }
}


/* ==========================================================================
   PURITY HIGHLIGHTS STRIP (Sleek Frosted Glass Feature Bar)
   ========================================================================== */

.purity-strip {
  padding: 1.5rem 0;
  background-color: var(--eu-surface);
  border-top: var(--eu-border);
  border-bottom: var(--eu-border);
  position: relative;
  z-index: 2;
}

.purity-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.purity-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: var(--eu-border);
  border-radius: var(--eu-radius);
  box-shadow: var(--eu-shadow-sm);
  transition: transform 0.2s var(--eu-ease-spring), box-shadow 0.2s var(--eu-ease-spring);
}

.purity-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--eu-shadow);
  border-color: var(--eu-accent);
}

.purity-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: var(--eu-shadow-sm);
}

.purity-item:nth-child(1) .purity-icon { background-color: var(--eu-highlight); color: var(--eu-on-highlight); }
.purity-item:nth-child(2) .purity-icon { background-color: var(--eu-accent); color: #fff; }
.purity-item:nth-child(3) .purity-icon { background-color: var(--eu-alert); color: #fff; }
.purity-item:nth-child(4) .purity-icon { background-color: var(--eu-container-highest); color: var(--eu-ink); }

.purity-info {
  display: flex;
  flex-direction: column;
}

.purity-info strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--eu-text);
  line-height: 1.2;
}

.purity-info span {
  font-size: 0.8rem;
  color: var(--eu-text-muted);
}

/* ==========================================================================
   INTERACTIVE MINI-PLAYER ("EXPERIENCE THE UI")
   ========================================================================== */

.player-demo-section {
  padding: 4.5rem 0;
  background-color: var(--eu-container);
  border-bottom: var(--eu-border);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  padding: 0 1rem;
}

.section-tagline {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--eu-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 6.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(0.96rem, 3.2vw, 1.15rem);
  color: var(--eu-text-muted);
}

.player-demo-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

/* Frosted Glass Player Card - Mobile-First Base */
.player-card {
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: var(--eu-border);
  border-radius: var(--eu-radius);
  box-shadow: var(--eu-shadow); /* Clean 4px shadow on mobile - eliminates harsh black corner notch */
  padding: 1.15rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.player-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
}

.player-top-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.player-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--eu-container-high);
  color: var(--eu-ink);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(0.68rem, 2vw, 0.74rem);
  font-weight: 800;
  padding: 0.28rem 0.6rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border-thin);
  box-shadow: var(--eu-shadow-sm);
  white-space: nowrap;
}

.pill-label-short {
  display: none;
}

@media (max-width: 480px) {
  .pill-label-full {
    display: none;
  }
  .pill-label-short {
    display: inline;
  }
}

.pill-lossless {
  display: none; /* Conserve space on mobile (<768px); revealed on tablet & desktop */
}

.player-pill-accent {
  cursor: pointer;
  background-color: var(--eu-highlight) !important;
  color: var(--eu-on-highlight) !important;
  transition: transform 0.15s ease;
}

.player-main-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  min-width: 0; /* Prevents flex blowout on mobile */
}

/* Album artwork with ambient colored drop shadow */
.player-artwork {
  width: 78px;
  height: 78px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: 0 10px 24px -6px rgba(106, 75, 232, 0.45), var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--eu-surface);
  flex-shrink: 0;
}

.player-cover-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.player-track-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0; /* Critical: Enables ellipsis truncation */
  overflow: hidden;
}

.player-song-title {
  font-size: clamp(1.05rem, 3.8vw, 1.25rem);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.player-artist-name {
  font-size: clamp(0.8rem, 2.6vw, 0.88rem);
  color: var(--eu-text-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

/* Visualizer Canvas */
.visualizer-container {
  width: 100%;
  height: 64px;
  background-color: var(--eu-surface);
  border: var(--eu-border);
  border-radius: var(--eu-radius-sm);
  box-shadow: var(--eu-shadow-sm);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#visualizerCanvas {
  width: 100%;
  height: 100%;
}

/* Progress bar */
.player-progress {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progress-track {
  width: 100%;
  height: 10px;
  background-color: var(--eu-surface);
  border: var(--eu-border-thin);
  border-radius: var(--eu-radius-pill);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 35%;
  background-color: var(--eu-accent);
  border-right: var(--eu-border-thin);
  transition: width 0.1s linear;
}

.progress-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--eu-text-muted);
}

/* Controls */
.player-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.25rem;
}

.control-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  background-color: var(--eu-card-bg);
  color: var(--eu-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: var(--eu-shadow-sm);
  transition: all 0.15s ease;
}

.control-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow);
  background-color: var(--eu-container);
}

.control-btn:active {
  transform: scale(0.97);
  box-shadow: none;
}

.control-btn.active-toggle {
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
}

.control-btn-play {
  width: 54px;
  height: 54px;
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  font-size: 1.4rem;
  border-radius: var(--eu-radius-lg);
  box-shadow: 0 10px 24px -4px rgba(106, 75, 232, 0.55), var(--eu-shadow);
  flex-shrink: 0;
}

.control-btn-play:hover {
  background-color: var(--eu-accent-hover);
  transform: translate(-2px, -2px);
  box-shadow: 0 14px 28px -4px rgba(106, 75, 232, 0.65), var(--eu-shadow-lg);
}

/* Authentic App Quick Action Dock (From Screenshot 2) */
.player-action-dock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--eu-surface);
  border: var(--eu-border-thin);
  border-radius: var(--eu-radius-pill);
  padding: 0.35rem 0.6rem;
  box-shadow: var(--eu-shadow-sm);
  margin-top: 0.25rem;
  width: 100%;
  box-sizing: border-box;
}

.dock-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  color: var(--eu-text-muted);
  font-size: 1.05rem;
  transition: all 0.15s ease;
}

.dock-btn:hover {
  background-color: var(--eu-container-high);
  color: var(--eu-accent);
  transform: translateY(-2px);
}

.dock-btn-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  background-color: var(--eu-container-high);
  color: var(--eu-ink);
  border-radius: var(--eu-radius-pill);
}

/* Playlist / Queue Panel */
.player-playlist {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  min-width: 0;
}

.playlist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.playlist-title {
  font-size: 1.25rem;
}

.playlist-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
}

.playlist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  border: var(--eu-border);
  border-radius: var(--eu-radius);
  box-shadow: var(--eu-shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.playlist-item:hover {
  transform: translateX(4px);
  box-shadow: var(--eu-shadow);
  border-color: var(--eu-accent);
}

.playlist-item.active {
  background-color: var(--eu-container-highest);
  border-color: var(--eu-accent);
  font-weight: 700;
}

.playlist-item-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.playlist-index {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--eu-text-muted);
  width: 20px;
  flex-shrink: 0;
}

.playlist-item.active .playlist-index {
  color: var(--eu-accent);
}

.playlist-item-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.playlist-item-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.playlist-item-artist {
  display: block;
  font-size: 0.8rem;
  color: var(--eu-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.playlist-duration {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--eu-text-muted);
  flex-shrink: 0;
  margin-left: 0.5rem;
}

/* ==========================================================================
   THE EUPHONY PHILOSOPHY (3 PILLARS OF RESPECT)
   ========================================================================== */

.philosophy-section {
  padding: 6rem 0;
  background-color: var(--eu-surface);
}

.philosophy-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.pillar-card {
  padding: 2.25rem 1.85rem;
  border-radius: var(--eu-radius-lg);
  border: var(--eu-border);
  background-color: var(--eu-glass-bg);
  backdrop-filter: var(--eu-glass-blur);
  box-shadow: var(--eu-shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform 0.25s var(--eu-ease-spring), box-shadow 0.25s var(--eu-ease-spring), border-color 0.25s ease;
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--eu-shadow-xl), var(--eu-glow);
  border-color: var(--eu-accent);
}

.pillar-card .philosophy-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: var(--eu-shadow-sm);
}

.pillar-icon-1 { background-color: var(--eu-highlight); color: var(--eu-on-highlight); }
.pillar-icon-2 { background-color: var(--eu-accent); color: #FFFFFF; }
.pillar-icon-3 { background-color: var(--eu-alert); color: #FFFFFF; }

.pillar-title {
  font-size: 1.45rem;
  line-height: 1.2;
}

.pillar-desc {
  font-size: 0.98rem;
  color: var(--eu-text-muted);
  line-height: 1.55;
  flex: 1;
}

.pillar-badge {
  display: inline-flex;
  align-self: flex-start;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border-thin);
  background-color: var(--eu-container-high);
  color: var(--eu-ink);
  box-shadow: var(--eu-shadow-sm);
}

/* ==========================================================================
   FEATURE GRID
   ========================================================================== */

.features-section {
  padding: 6rem 0;
  background-color: var(--eu-surface);
  border-top: var(--eu-border);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-lg);
  box-shadow: var(--eu-shadow);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--eu-shadow-xl);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.feature-card:nth-child(1) .feature-icon-wrapper {
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
}

.feature-card:nth-child(2) .feature-icon-wrapper {
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
}

.feature-card:nth-child(3) .feature-icon-wrapper {
  background-color: var(--eu-alert);
  color: var(--eu-on-alert);
}

.feature-card:nth-child(4) .feature-icon-wrapper {
  background-color: var(--eu-container-highest);
  color: var(--eu-ink);
}

.feature-card:nth-child(5) .feature-icon-wrapper {
  background-color: var(--eu-container-high);
  color: var(--eu-ink);
}

.feature-card:nth-child(6) .feature-icon-wrapper {
  background-color: var(--eu-container);
  color: var(--eu-ink);
}

.feature-title {
  font-size: 1.35rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--eu-text-muted);
}

/* ==========================================================================
   DOWNLOAD HUB SECTION
   ========================================================================== */

.download-section {
  padding: 6rem 0;
  background-color: var(--eu-container);
  border-top: var(--eu-border);
  border-bottom: var(--eu-border);
}

.download-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.download-card {
  position: relative;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-lg);
  box-shadow: var(--eu-shadow-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.download-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--eu-shadow-xl);
}

/* Auto-detected OS recommendation highlight */
.download-card.is-recommended {
  border-color: var(--eu-accent);
  border-width: 3px;
  background-color: var(--eu-card-bg);
}

.recommended-badge {
  position: absolute;
  top: -16px;
  right: 20px;
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 900;
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: none;
}

.download-card.is-recommended .recommended-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.download-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

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

.platform-icon {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.download-card[data-platform="android"] .platform-icon { background-color: #2FA25A; color: #fff; }
.download-card[data-platform="ios"] .platform-icon { background-color: #0B0B12; color: #fff; }
.download-card[data-platform="windows"] .platform-icon { background-color: #0F7CD6; color: #fff; }
.download-card[data-platform="macos"] .platform-icon { background-color: #3A3A46; color: #fff; }
.download-card[data-platform="linux"] .platform-icon { background-color: #E8821E; color: #fff; }

.download-card-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
}

.version-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--eu-text-muted);
}

.download-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.download-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--eu-text-muted);
  border-top: var(--eu-border-thin);
  border-bottom: var(--eu-border-thin);
  padding: 0.75rem 0;
}

.download-meta-list li {
  display: flex;
  justify-content: space-between;
}

.download-meta-list li strong {
  color: var(--eu-text);
}

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-download-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 52px;
  background-color: var(--eu-accent);
  color: var(--eu-on-accent);
  padding: 0.85rem 1rem;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
}

.btn-download-main:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--eu-shadow-lg);
  background-color: var(--eu-accent-hover);
}

.btn-download-alt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 48px;
  background-color: transparent;
  color: var(--eu-text);
  padding: 0.75rem 1rem;
  border-radius: var(--eu-radius);
  border: var(--eu-border-thin);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
}

.btn-download-alt:hover {
  background-color: var(--eu-surface);
  border-color: var(--eu-accent);
}

/* Upcoming Release Button & Card Styling */
.btn-download-upcoming {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 52px;
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
  padding: 0.85rem 1rem;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.btn-download-upcoming:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--eu-shadow-lg);
  background-color: #fce016;
}

.upcoming-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--eu-container-high);
  color: var(--eu-ink);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.72rem;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: var(--eu-radius-pill);
  border: var(--eu-border-thin);
  box-shadow: var(--eu-shadow-sm);
}

.download-card.is-upcoming {
  background: linear-gradient(160deg, var(--eu-card-bg) 60%, var(--eu-container) 100%);
  border-style: dashed;
}

/* SHA256 Verify Checksum Modal Trigger */
.checksum-link {
  font-size: 0.8rem;
  color: var(--eu-text-muted);
  text-decoration: underline;
  text-align: center;
  cursor: pointer;
  transition: color 0.15s ease;
}

.checksum-link:hover {
  color: var(--eu-accent);
}

/* ==========================================================================
   FAQ SECTION (ACCORDION)
   ========================================================================== */

.faq-section {
  padding: 6rem 0;
  background-color: var(--eu-surface);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius);
  box-shadow: var(--eu-shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.faq-item.active {
  box-shadow: var(--eu-shadow);
  border-color: var(--eu-accent);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.faq-toggle-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--eu-radius-sm);
  border: var(--eu-border-thin);
  background-color: var(--eu-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.faq-item.active .faq-toggle-icon {
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--eu-text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
}

/* ==========================================================================
   COMMUNITY & FOOTER
   ========================================================================== */

.footer {
  background-color: var(--eu-card-bg);
  border-top: var(--eu-border);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: var(--eu-border-thin);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-tagline {
  color: var(--eu-text-muted);
  font-size: 0.95rem;
}

.footer-star-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--eu-text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* ==========================================================================
   MODAL (SHA256 CHECKSUM VERIFY)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(18, 18, 24, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 1.5rem;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-lg);
  box-shadow: var(--eu-shadow-xl);
  max-width: 520px;
  width: 100%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.modal-header h3,
.modal-header h2 {
  flex: 1;
  min-width: 0;
  line-height: 1.3;
  margin: 0;
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--eu-radius-sm);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.checksum-box {
  background-color: var(--eu-surface);
  border: var(--eu-border-thin);
  border-radius: var(--eu-radius-sm);
  padding: 1rem;
  font-family: monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--eu-text);
  user-select: all;
}


/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM (MOBILE-FIRST BREAKPOINT TIERS)
   Breakpoints:
   - Mobile (Default / Base): Up to 767px (Assume base width 320px-375px)
   - Tablet (md:): 768px to 1023px
   - Desktop (lg:): 1024px to 1279px
   - Wide Screen (xl:): 1280px+
   - Ultra-Wide & 4K: 1600px+
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. MOBILE EXTRA-SMALL DEVICES (iPhone SE, narrow Android phones <= 380px)
   Base styles already establish the fluid single-column stack for <= 767px.
   Here we refine micro-typography while strictly maintaining >=44px touch targets.
   -------------------------------------------------------------------------- */
@media (max-width: 380px) {
  .hero-capsule-badge {
    font-size: 0.65rem;
    padding: 0.25rem 0.5rem;
    letter-spacing: 0.01em;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-pill-item {
    font-size: 0.68rem;
    padding: 0.25rem 0.45rem;
    min-height: 40px;
  }

  .os-indicator-badge {
    font-size: 0.74rem;
  }

  .phone-device {
    width: 230px;
    height: 460px;
  }

  .phone-tab-btn {
    padding: 0.35rem 0.4rem;
    font-size: 0.68rem;
    min-height: 44px; /* Accessible touch target preserved */
  }

  .player-demo-grid {
    padding: 0 0.65rem;
  }

  .player-card {
    padding: 0.9rem 0.65rem;
  }

  .player-artwork {
    width: 68px;
    height: 68px;
  }

  .player-song-title {
    font-size: 1.05rem;
  }

  .player-pill {
    font-size: 0.65rem;
    padding: 0.2rem 0.45rem;
  }

  /* Control buttons retain minimum touch target >=44px */
  .control-btn {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }

  .control-btn-play {
    width: 50px;
    height: 50px;
    font-size: 1.35rem;
  }

  .download-card {
    padding: 1.15rem 1rem;
  }

  .btn-download-main,
  .btn-download-alt,
  .btn-download-upcoming {
    font-size: 0.85rem;
    min-height: 48px; /* Accessible touch target preserved */
    padding: 0.75rem 0.85rem;
  }
}

/* --------------------------------------------------------------------------
   2. TABLET BREAKPOINT (md: 768px to 1023px)
   The layout expands gracefully with centered alignment, side-by-side CTA
   actions, and 2-column paired grids for secondary feature blocks.
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .pill-lossless {
    display: inline-flex;
  }

  .nav-container {
    padding: 0.6rem 1.5rem;
  }

  /* Hero Section: Centered stack with balanced tablet proportions avoiding fold clipping */
  .hero {
    padding: 1.5rem 0 2rem;
  }

  .hero-container {
    max-width: 720px;
    gap: 1.75rem;
  }

  .hero-content {
    align-items: center;
    text-align: center;
  }

  .hero-capsule-badge {
    align-self: center;
  }

  .hero-title {
    font-size: clamp(2.25rem, 4.4vw, 2.85rem);
  }

  .hero-subtitle {
    font-size: 1.02rem;
    max-width: 85%;
  }

  /* Transition: Stacked full-width buttons become inline row */
  .hero-cta-group {
    flex-direction: row;
    justify-content: center;
    width: auto;
    gap: 1rem;
  }

  .btn-primary,
  .btn-secondary {
    width: auto;
    min-width: 190px;
    padding: 0.85rem 1.75rem;
  }

  .hero-feature-pills {
    justify-content: center;
    max-width: 540px;
  }

  .hero-pill-item {
    flex: 0 0 auto;
  }

  .os-indicator-badge {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
  }

  /* Phone Showcase on Tablet: Balanced proportional scale avoiding vertical clipping */
  .phone-device {
    width: clamp(225px, 28vh, 255px);
    height: clamp(450px, 56vh, 510px);
  }

  .phone-tabs-bar {
    width: max-content;
    max-width: 100%;
    margin-top: 1.15rem;
  }

  /* Grid Transitions: 1-column mobile stack expands to 2 columns on tablet */
  .purity-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .download-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   3. DESKTOP BREAKPOINT (lg: 1024px to 1279px)
   CRITICAL ARCHITECTURAL TRANSITION:
   - Layout transitions from vertical single-column stack to multi-column rows.
   - Hero container transforms into a 2-column split (1.15fr text : 0.85fr phone).
   - Desktop navigation links and theme toggle replace mobile hamburger drawer.
   - Purity strip transitions to 4-column bar; Philosophy & Features to 3-column grids.
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  /* Navigation: Compact desktop layout preventing collision at 1024px */
  .nav-container {
    padding: 0 1.25rem;
    gap: 0.75rem;
  }

  .brand {
    font-size: 1.35rem;
    gap: 0.5rem;
    flex-shrink: 0;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
    margin-left: 0.2rem;
  }

  .nav-links {
    display: flex !important;
    gap: 1.15rem;
    flex-shrink: 1;
  }

  .nav-link {
    font-size: 0.88rem;
  }

  .nav-demo-short,
  .nav-btn-short {
    display: inline;
  }

  .nav-demo-full,
  .nav-btn-full {
    display: none;
  }

  .nav-actions {
    gap: 0.65rem;
    flex-shrink: 0;
  }

  .theme-switcher {
    padding: 2px;
    gap: 2px;
  }

  .theme-btn {
    padding: 0.32rem 0.58rem;
    font-size: 0.72rem;
  }

  .desktop-only-theme,
  .btn-nav-download {
    display: flex !important;
  }

  .btn-nav-download {
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    height: 36px;
    gap: 0.35rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .hamburger-btn,
  .mobile-menu-drawer {
    display: none !important;
  }

  /* Hero Section: Transition to 2-Column Desktop Grid */
  .hero {
    min-height: min(calc(100vh - 72px), 880px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 0 3rem;
    overflow: visible; /* Prevents any clipping of phone chassis & docked tabs */
  }

  .hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    padding: 0 1.5rem;
    text-align: left;
  }

  .hero-content {
    align-items: flex-start;
    text-align: left;
    gap: 1.25rem;
  }

  .hero-capsule-badge {
    align-self: flex-start;
  }

  .hero-title {
    font-size: clamp(2.35rem, 3.8vw, 3.15rem);
  }

  .hero-subtitle {
    font-size: clamp(0.98rem, 1.25vw, 1.12rem);
    max-width: 95%;
  }

  .hero-cta-group {
    flex-direction: row;
    justify-content: flex-start;
    width: auto;
  }

  .hero-feature-pills {
    justify-content: flex-start;
    width: auto;
  }

  .hero-pill-item {
    flex: 0 0 auto;
  }

  .os-indicator-badge {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0.4rem;
  }

  /* Phone Showcase: Floating frame proportional to viewport height */
  .phone-showcase-wrapper {
    max-width: 380px;
    margin: 0 auto;
  }

  .phone-device {
    width: clamp(240px, 32vh, 268px);
    height: clamp(480px, 64vh, 535px);
  }

  .phone-tabs-bar {
    width: max-content;
    max-width: 100%;
    margin-top: 0.85rem;
    margin-bottom: 0;
  }

  /* Multi-Column Grid Transitions */
  .purity-container {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .player-demo-section {
    padding: 6rem 0;
  }

  .player-demo-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
  }

  .player-card {
    padding: 2.25rem 2rem;
    gap: 1.5rem;
    border-radius: var(--eu-radius-lg);
    box-shadow: var(--eu-shadow-xl);
  }

  .control-btn-play {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .player-artwork {
    width: 95px;
    height: 95px;
  }

  .player-song-title {
    font-size: 1.45rem;
  }

  .player-artist-name {
    font-size: 0.95rem;
  }

  .philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .download-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  /* Footer Horizontal Split */
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   4. WIDE SCREEN BREAKPOINT (xl: 1280px+)
   Expands maximum container widths to 1280px with larger typography scale.
   -------------------------------------------------------------------------- */
@media (min-width: 1280px) {
  .nav-container {
    padding: 0 1.5rem;
    max-width: 1280px;
    gap: 1.5rem;
  }

  .brand {
    font-size: 1.5rem;
    gap: 0.75rem;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .brand-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    margin-left: 0.25rem;
  }

  .nav-links {
    gap: 1.85rem;
  }

  .nav-link {
    font-size: 0.95rem;
  }

  .nav-demo-short,
  .nav-btn-short {
    display: none;
  }

  .nav-demo-full,
  .nav-btn-full {
    display: inline;
  }

  .nav-actions {
    gap: 1rem;
  }

  .theme-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
  }

  .btn-nav-download {
    padding: 0.55rem 1.15rem;
    font-size: 0.9rem;
    height: 40px;
    gap: 0.5rem;
  }

  .hero-container {
    max-width: 1280px;
    gap: 3.5rem;
  }

  .hero-title {
    font-size: clamp(2.65rem, 3.8vw, 3.35rem);
  }

  .phone-device {
    width: clamp(255px, 34vh, 275px);
    height: clamp(510px, 68vh, 550px);
  }

  .purity-container,
  .player-demo-grid,
  .philosophy-grid,
  .features-grid,
  .download-grid,
  .faq-container,
  .footer-container {
    max-width: 1280px;
  }
}

/* Tactile mobile press feedback inspired by Flutter EuBrutal buttons */
.btn-primary:active,
.btn-secondary:active,
.btn-download-main:active,
.btn-download-upcoming:active,
.btn-download-alt:active,
.theme-btn:active,
.control-btn:active,
.faq-toggle-icon:active {
  transform: scale(0.97) !important;
  transition: transform 0.08s ease-out;
}

/* ==========================================================================
   LARGE & 4K/2K ULTRA-WIDE DISPLAYS (MIN-WIDTH: 1600px, e.g. 2560x1738)
   ========================================================================== */
@media (min-width: 1600px) {
  .nav-container {
    max-width: 1560px;
    padding: 0 2rem;
  }

  .hero {
    min-height: min(calc(100vh - 72px), 920px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2.5rem 0 3.5rem;
  }

  .hero-container {
    max-width: 1560px;
    gap: 4.5rem;
    width: 100%;
  }

  .hero-title {
    font-size: clamp(3.2rem, 3.2vw, 4.25rem);
  }

  .hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.55;
    max-width: 85%;
  }

  .btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }

  .hero-feature-pills {
    gap: 0.75rem;
  }

  .hero-pill-item {
    font-size: 0.9rem;
    padding: 0.45rem 1rem;
  }

  .phone-showcase-wrapper {
    max-width: 440px;
  }

  .phone-device {
    width: clamp(290px, 36vh, 340px);
    height: clamp(580px, 72vh, 680px);
    border-radius: 48px;
    padding: 10px;
  }

  .phone-dynamic-island {
    width: 96px;
    height: 25px;
    top: 20px;
  }

  .phone-tabs-bar {
    padding: 0.35rem 0.5rem;
    gap: 0.5rem;
    margin-top: 1.25rem;
    margin-bottom: 0;
  }

  .phone-tab-btn {
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
  }

  .purity-container,
  .player-demo-grid,
  .philosophy-grid,
  .features-grid,
  .download-grid,
  .faq-container,
  .footer-container {
    max-width: 1560px;
  }

  .player-demo-grid {
    gap: 3.5rem;
  }
}


/* ==========================================================================
   SPONSORS & CONTRIBUTING SECTIONS (NEO-BRUTALIST COMMUNITY)
   ========================================================================== */

.sponsor-section,
.contribute-section {
  padding: 5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.sponsor-card {
  position: relative;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-lg);
  box-shadow: var(--eu-shadow-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: transform 0.25s var(--eu-ease-spring), box-shadow 0.25s var(--eu-ease-spring), border-color 0.25s ease;
}

.sponsor-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--eu-shadow-xl);
}

.sponsor-card-top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.sponsor-icon-badge {
  width: 54px;
  height: 54px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.sponsor-icon-gh {
  background-color: #EA4AAA;
  color: #FFFFFF;
}

.sponsor-icon-upi {
  background-color: #6366F1;
  color: #FFFFFF;
}

.sponsor-badge-pill {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--eu-text-muted);
  margin-bottom: 0.25rem;
}

.sponsor-card-title {
  font-size: 1.45rem;
  font-weight: 900;
  margin: 0;
}

.sponsor-card-desc {
  font-size: 0.95rem;
  color: var(--eu-text-muted);
  line-height: 1.55;
  margin: 0;
}

.sponsor-perks {
  list-style: none;
  padding: 0.85rem 0;
  margin: 0;
  border-top: var(--eu-border-thin);
  border-bottom: var(--eu-border-thin);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--eu-text);
  font-weight: 600;
}

.sponsor-perks li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sponsor-perks li i {
  color: #10B981;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-sponsor-gh,
.btn-sponsor-upi {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--eu-shadow);
  transition: transform 0.15s var(--eu-ease-spring), box-shadow 0.15s var(--eu-ease-spring);
}

.btn-sponsor-gh {
  background-color: #EA4AAA;
  color: #FFFFFF;
}

.btn-sponsor-upi {
  background-color: #6366F1;
  color: #FFFFFF;
}

.btn-sponsor-gh:hover,
.btn-sponsor-upi:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--eu-shadow-lg);
}

.btn-sponsor-gh:active,
.btn-sponsor-upi:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--eu-ink);
}

/* Contribute Grid */
.contribute-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.contribute-card {
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius-lg);
  box-shadow: var(--eu-shadow);
  padding: 1.85rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: transform 0.22s var(--eu-ease-spring), box-shadow 0.22s var(--eu-ease-spring);
}

.contribute-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--eu-shadow-lg);
}

.contribute-icon-badge {
  width: 46px;
  height: 46px;
  border-radius: var(--eu-radius);
  border: var(--eu-border);
  box-shadow: var(--eu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.contribute-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
}

.contribute-desc {
  font-size: 0.9rem;
  color: var(--eu-text-muted);
  line-height: 1.5;
  margin: 0;
}

.contribute-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--eu-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.contribute-link:hover {
  color: var(--eu-accent-hover);
}

/* ==========================================================================
   NAVBAR COMMUNITY DROPDOWN (NEO-BRUTALIST POPOVER)
   ========================================================================== */

.nav-dropdown-item {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--eu-text);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.nav-dropdown-btn:hover {
  color: var(--eu-accent);
}

.nav-dropdown-chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.22s var(--eu-ease-spring);
}

.nav-dropdown-item:hover .nav-dropdown-chevron,
.nav-dropdown-item.is-open .nav-dropdown-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 290px;
  background-color: var(--eu-card-bg);
  border: var(--eu-border);
  border-radius: var(--eu-radius);
  box-shadow: var(--eu-shadow-lg);
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s var(--eu-ease-spring), visibility 0.2s;
  z-index: 1050;
}

/* Caret indicator */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 14px;
  height: 14px;
  background-color: var(--eu-card-bg);
  border-left: var(--eu-border);
  border-top: var(--eu-border);
}

.nav-dropdown-item:hover .nav-dropdown-menu,
.nav-dropdown-item:focus-within .nav-dropdown-menu,
.nav-dropdown-item.is-open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--eu-radius-sm);
  text-decoration: none;
  color: var(--eu-text);
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.dropdown-link:hover {
  background-color: var(--eu-container);
  transform: translateX(2px);
}

.dropdown-link-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: var(--eu-border-thin);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-link-icon i {
  width: 17px;
  height: 17px;
}

.dropdown-icon-heart {
  background-color: #FDF2F8;
  color: #EA4AAA;
}

[data-theme="dark"] .dropdown-icon-heart,
[data-theme="amoled"] .dropdown-icon-heart {
  background-color: rgba(234, 74, 170, 0.22);
  color: #EA4AAA;
}

.dropdown-icon-code {
  background-color: var(--eu-container-high);
  color: var(--eu-accent);
}

.dropdown-icon-faq {
  background-color: var(--eu-container);
  color: var(--eu-text);
}

.dropdown-icon-gh {
  background-color: var(--eu-highlight);
  color: var(--eu-on-highlight);
}

.dropdown-link-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
  min-width: 0;
}

.dropdown-link-text strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--eu-text);
}

.dropdown-link-text span {
  font-size: 0.75rem;
  color: var(--eu-text-muted);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--eu-ink);
  opacity: 0.12;
  margin: 0.25rem 0.5rem;
}

.dropdown-ext {
  width: 14px;
  height: 14px;
  color: var(--eu-text-muted);
  flex-shrink: 0;
}