/* Orange Avenue DEMO Custom Display Font */
@font-face {
  font-family: 'Orange Avenue DEMO';
  src: local('Orange Avenue DEMO'),
       local('Orange Avenue'),
       local('OrangeAvenueDEMO'),
       local('OrangeAvenue-DEMO'),
       url('../assets/fonts/Orange Avenue DEMO.otf') format('opentype'),
       url('../assets/fonts/Orange Avenue DEMO.ttf') format('truetype'),
       url('../assets/fonts/OrangeAvenueDEMO.otf') format('opentype'),
       url('../assets/fonts/OrangeAvenueDEMO.ttf') format('truetype'),
       url('../assets/fonts/Orange-Avenue-DEMO.otf') format('opentype'),
       url('../assets/fonts/MilkyWalky-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Orange Avenue';
  src: local('Orange Avenue DEMO'),
       local('Orange Avenue'),
       local('OrangeAvenueDEMO'),
       url('../assets/fonts/Orange Avenue DEMO.otf') format('opentype'),
       url('../assets/fonts/Orange Avenue DEMO.ttf') format('truetype'),
       url('../assets/fonts/OrangeAvenueDEMO.otf') format('opentype'),
       url('../assets/fonts/OrangeAvenueDEMO.ttf') format('truetype'),
       url('../assets/fonts/MilkyWalky-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Milky Walky Fallback Display Font */
@font-face {
  font-family: 'Milky Walky';
  src: url('../assets/fonts/MilkyWalky-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500;1,9..144,600&family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #030306;
  --bg-secondary: #08080E;
  --bg-tertiary: #0F0F17;
  
  --surface-card: rgba(18, 18, 26, 0.72);
  --surface-card-hover: rgba(26, 26, 38, 0.85);
  --surface-glass: rgba(255, 255, 255, 0.04);
  --surface-glass-border: rgba(255, 255, 255, 0.08);
  --surface-glass-border-hover: rgba(244, 63, 94, 0.35);

  --primary: #F43F5E;          /* Rose Coral */
  --primary-light: #FB7185;
  --primary-dark: #E11D48;
  --primary-glow: rgba(244, 63, 94, 0.28);
  --primary-glow-strong: rgba(244, 63, 94, 0.45);

  --accent-violet: #C084FC;    /* Hormonal Violet */
  --accent-violet-glow: rgba(192, 132, 252, 0.25);
  --accent-indigo: #818CF8;
  --accent-emerald: #34D399;   /* Wellness Emerald */
  --accent-amber: #FBBF24;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-dim: #475569;

  /* Phase Colors */
  --phase-menstrual: #F43F5E;
  --phase-follicular: #38BDF8;
  --phase-ovulation: #C084FC;
  --phase-luteal: #FBBF24;

  /* Typography: Orange Avenue + Milky Walky + Sora + Fraunces */
  --font-display: 'Orange Avenue', 'Orange Avenue DEMO', 'Milky Walky', 'Fraunces', serif;
  --font-primary: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-editorial: 'Fraunces', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Shadows */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glass: 0 12px 40px -10px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  --shadow-glow-rose: 0 0 50px rgba(244, 63, 94, 0.22);
  --shadow-glow-violet: 0 0 50px rgba(192, 132, 252, 0.18);

  /* Dimensions */
  /* Layout & Spacing */
  --max-width: 1240px;
  --header-height: 72px;
  --nav-height: 72px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;
}

/* ==========================================================================
   Base Reset & Proportional Screen Scaling
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: clamp(12.5px, 0.82vw, 14px);
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 1024px) {
  body {
    zoom: 0.82;
  }
}

/* ==========================================================================
   HERCARE TYPOGRAPHY SYSTEM (ORANGE AVENUE DEMO + SORA + FRAUNCES)
   Headings & Display → Orange Avenue DEMO / Orange Avenue / Sora Bold
   Body → Sora Regular (400)
   Buttons → Sora SemiBold (600)
   Numbers & Cycle Data → Sora Bold (700/800)
   Editorial Moments (10-15%) → Fraunces Italic
   ========================================================================== */

h1, h2, h3, h4, h5, h6,
.hero-title, 
.section-title, 
.feature-story-title, 
.download-cta-title,
.intro-card-title,
.why-card-title {
  font-family: 'Orange Avenue', 'Orange Avenue DEMO', 'Milky Walky', 'Fraunces', serif !important;
  font-weight: normal;
  letter-spacing: -0.01em;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

.hero-title {
  font-family: 'Orange Avenue', 'Orange Avenue DEMO', 'Milky Walky', 'Fraunces', serif !important;
  font-size: clamp(3.2rem, 5.8vw, 5.2rem);
  letter-spacing: -0.015em;
  line-height: 1.08;
}

.section-title {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
}

.feature-story-title {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
}

.badge {
  font-family: 'Sora', sans-serif !important;
  font-weight: 600; /* Badges → Sora SemiBold */
  letter-spacing: 0.05em;
  font-size: 0.8125rem;
  padding: 5px 14px;
}

/* Editorial Serif Moments (10-15% of UI) */
.font-editorial {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* Custom HerCare Wordmark with Orange Avenue DEMO Font */
.custom-wordmark {
  font-family: 'Orange Avenue', 'Orange Avenue DEMO', 'Milky Walky', 'Fraunces', serif !important;
  font-size: clamp(1.9rem, 2.6vw, 2.35rem);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  line-height: 1;
}

.custom-wordmark .wm-her {
  color: #FFFFFF;
}

.custom-wordmark .wm-care {
  background: linear-gradient(135deg, #FB7185 0%, #F43F5E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.custom-wordmark .wm-dot {
  width: 9px;
  height: 9px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  margin-left: 4px;
  box-shadow: 0 0 12px var(--primary);
}

/* ==========================================================================
   19. ULTRA-WIDE & LARGE MONITOR RESPONSIVENESS (1400px+ / 1900px+ / 2500px+)
   ========================================================================== */
@media (min-width: 1400px) {
  html {
    font-size: 19px;
  }
  :root {
    --max-width: 1680px;
    --header-height: 92px;
    --nav-height: 92px;
  }
  .feature-story-grid {
    gap: 72px;
  }
}

@media (min-width: 1900px) {
  html {
    font-size: 21px;
  }
  :root {
    --max-width: 1980px;
    --header-height: 96px;
    --nav-height: 96px;
  }
  .hero-title {
    font-size: 5.6rem;
  }
  .feature-story-grid {
    gap: 90px;
  }
  .testdrive-grid {
    gap: 80px;
  }
  .feature-visual-card {
    min-height: 520px;
  }
}

@media (min-width: 2500px) {
  html {
    font-size: 24px;
  }
  :root {
    --max-width: 2400px;
    --header-height: 104px;
    --nav-height: 104px;
  }
  .hero-title {
    font-size: 6.4rem;
  }
  .hero-subtitle {
    font-size: 1.5rem;
  }
  .section-title {
    font-size: 4.2rem;
  }
  .section-header {
    max-width: 1600px;
  }
  .feature-story-grid {
    gap: 110px;
  }
  .faq-list {
    max-width: 1850px;
  }
  .feature-visual-card {
    min-height: 580px;
  }
}
    max-width: 1900px;
    padding: 110px 80px;
  }
  .disclaimer-card {
    max-width: 1750px;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

::selection {
  background: var(--primary);
  color: #FFFFFF;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s var(--ease-smooth);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* ==========================================================================
   Ambient Background Effects
   ========================================================================== */
/* 3D Background World Canvas */
#bg-3d-world {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.25 !important; /* 25% opacity requested for clean low-key backdrop */
  transition: opacity 0.4s ease;
}

/* Ambient Background Light Orbs */
.ambient-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.6; /* 60% opacity for gentle background glow */
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  will-change: transform;
}

.mesh-orb-1 {
  top: -10%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary) 0%, rgba(244, 63, 94, 0) 70%);
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.mesh-orb-2 {
  top: 35%;
  right: -10%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, var(--accent-violet) 0%, rgba(192, 132, 252, 0) 70%);
  animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}

.mesh-orb-3 {
  bottom: 10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #E11D48 0%, rgba(225, 29, 72, 0) 70%);
  animation: floatOrb 25s ease-in-out infinite alternate;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
  pointer-events: none;
}

/* Static background watermark disabled - Handled dynamically in 3D WebGL space */
.background-brand-watermark {
  display: none;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -60px) scale(1.08); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(24px, 4.5vw, 72px);
  padding-right: clamp(24px, 4.5vw, 72px);
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, #FDA4AF 60%, #F43F5E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-violet {
  background: linear-gradient(135deg, #FFFFFF 10%, #E9D5FF 50%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-subtle {
  background: linear-gradient(180deg, #FFFFFF 40%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: rgba(244, 63, 94, 0.08);
  border: 1px solid rgba(244, 63, 94, 0.22);
  color: var(--primary-light);
  backdrop-filter: blur(10px);
  width: fit-content;
}

.badge-violet {
  background: rgba(192, 132, 252, 0.08);
  border-color: rgba(192, 132, 252, 0.22);
  color: var(--accent-violet);
}

.badge-emerald {
  background: rgba(52, 211, 153, 0.08);
  border-color: rgba(52, 211, 153, 0.22);
  color: var(--accent-emerald);
}

.badge-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 10px currentColor;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

/* Glass Surface Styles */
.glass-panel {
  background: var(--surface-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.glass-panel-interactive {
  background: var(--surface-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition: all 0.3s var(--ease-spring);
}

.glass-panel-interactive:hover {
  background: var(--surface-card-hover);
  border-color: var(--surface-glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 45px -12px rgba(0, 0, 0, 0.7), var(--shadow-glow-rose);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all 0.25s var(--ease-spring);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #FB7185 0%, #F43F5E 60%, #E11D48 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--primary-glow), inset 0 1px 1px rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px var(--primary-glow-strong), inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--primary);
}

/* ==========================================================================
   CENTERED BACKGROUND BRAND WATERMARK LOGO (35% OPACITY)
   ========================================================================== */
.background-brand-watermark {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(580px, 72vw);
  height: min(580px, 72vw);
  background: url('../assets/official-logo.png?v=4') no-repeat center center / contain;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  filter: drop-shadow(0 0 70px rgba(244, 63, 94, 0.5));
}

/* ==========================================================================
   0. TOP ANNOUNCEMENT BANNER ("COMING SOON")
   ========================================================================== */
:root {
  --banner-height: 44px;
}

.announcement-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--banner-height);
  z-index: 1000;
  background: linear-gradient(90deg, rgba(244,63,94,0.22) 0%, rgba(192,132,252,0.18) 50%, rgba(52,211,153,0.18) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(244, 63, 94, 0.35);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 25px rgba(244, 63, 94, 0.15);
  display: flex;
  align-items: center;
  transition: all 0.35s ease;
}

.announcement-banner.hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.announcement-banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  padding: 0 16px;
  position: relative;
}

.announcement-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #FB7185, #F43F5E);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.5);
  flex-shrink: 0;
}

.announcement-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FFFFFF;
  animation: bannerPulse 1.4s infinite;
}

@keyframes bannerPulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

.announcement-text {
  font-size: 0.8125rem;
  color: #F8FAFC;
  font-weight: 500;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.announcement-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.announcement-cta-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #F43F5E;
  transform: scale(1.04);
}

.announcement-close-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: color 0.2s ease;
}

.announcement-close-btn:hover {
  color: #FFFFFF;
}

/* Highly Visible Top-Right Coming Soon Badge */
.top-right-launch-label {
  background: linear-gradient(135deg, #FB7185 0%, #F43F5E 55%, #E11D48 100%) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4) !important;
  color: #FFFFFF !important;
  font-weight: 800 !important;
  font-size: 0.8125rem !important;
  letter-spacing: 0.08em !important;
  padding: 8px 16px !important;
  box-shadow: 0 0 25px rgba(244, 63, 94, 0.75), 0 4px 15px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.5) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  border-radius: 9999px !important;
  animation: neonGlowPulse 2s infinite alternate !important;
  cursor: pointer;
  transition: transform 0.2s ease !important;
}

.top-right-launch-label:hover {
  transform: scale(1.06) !important;
  box-shadow: 0 0 35px rgba(244, 63, 94, 0.95), 0 6px 20px rgba(0, 0, 0, 0.8), inset 0 1px 2px rgba(255, 255, 255, 0.7) !important;
}

@keyframes neonGlowPulse {
  0% {
    box-shadow: 0 0 18px rgba(244, 63, 94, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.4);
  }
  100% {
    box-shadow: 0 0 32px rgba(244, 63, 94, 0.95), 0 0 10px #FB7185, inset 0 1px 2px rgba(255, 255, 255, 0.6);
  }
}

/* ==========================================================================
   4. NAVIGATION & FLOATING PILL HEADER (PROPORTIONAL CONTINUOUS SCROLL)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  height: var(--nav-height, 80px);
  z-index: 100;
  display: flex;
  align-items: center;
  pointer-events: none;
  transform: translateY(0);
  will-change: transform;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 8px 16px 8px 10px;
  background: rgba(11, 13, 20, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(244, 63, 94, 0.08);
  pointer-events: auto;
  transition: all 0.3s ease;
}

.site-header.scrolled .nav-container {
  background: rgba(8, 9, 14, 0.94);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 25px rgba(244, 63, 94, 0.12);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.8vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  text-decoration: none;
  margin-right: clamp(12px, 2vw, 32px);
  flex-shrink: 0;
}

.brand-logo-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1.5px solid rgba(244, 63, 94, 0.45);
  box-shadow: 0 4px 16px rgba(244, 63, 94, 0.35);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s var(--ease-spring);
}

.brand-logo:hover .brand-logo-icon-box {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(244, 63, 94, 0.6);
}

.brand-logo-img {
  width: 142%;
  height: 142%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 22px);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: clamp(0.8125rem, 0.95vw, 0.9rem);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  position: relative;
  padding: 6px 4px;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s var(--ease-spring);
  border-radius: 2px;
}

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

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

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: #FFFFFF;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(3, 3, 6, 0.96);
  backdrop-filter: blur(24px);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s var(--ease-spring);
  z-index: 99;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ==========================================================================
   Hero Section with 3D Interactive Phone
   ========================================================================== */
.hero-section {
  min-height: 92vh;
  padding-top: calc(var(--nav-height) + 24px);
  padding-bottom: 50px;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 4vw, 56px);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* 3D Phone Container in Hero - Feathered Edge Blending */
.hero-3d-wrapper {
  position: relative;
  width: 100%;
  height: clamp(720px, 50vw, 900px);
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
}

.hero-3d-canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
  cursor: grab;
}

.hero-3d-canvas-container:active {
  cursor: grabbing;
}

#hero-three-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* 3D Interaction Control Overlay */
.three-controls-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 14, 20, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  backdrop-filter: blur(12px);
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.three-3d-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

/* ==========================================================================
   Product Intro ("Meet HerCare")
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 1040px;
  margin: 0 auto 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Intro Cards Grid */
.intro-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.intro-card {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
}

.intro-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.intro-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
}

.intro-card-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   Interactive 3D App Test-Drive Mode ("Inside HerCare 3D")
   ========================================================================== */
.testdrive-section {
  padding: 100px 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.05) 0%, transparent 70%);
}

.testdrive-box {
  padding: 48px;
  border-radius: var(--radius-xl);
  background: rgba(14, 14, 20, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8);
}

.testdrive-nav-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.06);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.testdrive-tab {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 8px;
}

.testdrive-tab:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

/* Partner Connect Highlight Pulse */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
    transform: scale(1);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(52, 211, 153, 0);
    transform: scale(1.05);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
    transform: scale(1);
  }
}

.highlight-partner-tab:hover {
  border-color: #34D399 !important;
  box-shadow: 0 0 25px rgba(52, 211, 153, 0.5) !important;
  transform: translateY(-2px);
}

.testdrive-tab.active {
  background: linear-gradient(135deg, #FB7185, #F43F5E);
  color: #FFFFFF;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.testdrive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* Realistic Phone Mockup Frame */
.phone-mockup-frame {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  height: 640px;
  background: #050508;
  border-radius: 46px;
  padding: 14px;
  border: 4px solid #23232E;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 40px rgba(244, 63, 94, 0.15), inset 0 0 2px 1px rgba(255, 255, 255, 0.2);
  position: relative;
  display: flex;
  flex-direction: column;
}

.phone-dynamic-island {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 24px;
  background: #000000;
  border-radius: 20px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
}

.phone-camera-lens {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0F172A;
  border: 1px solid #334155;
}

.phone-screen {
  flex: 1;
  background: #000000;
  border-radius: 34px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  padding-top: 40px;
  padding-bottom: 20px;
  padding-left: 16px;
  padding-right: 16px;
  color: #FFFFFF;
}

/* Interactive Screen Views */
.screen-view {
  display: none;
  flex-direction: column;
  height: 100%;
  animation: fadeIn 0.3s var(--ease-spring);
}

.screen-view.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* App Header Inside Phone */
.app-phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.app-user-greeting {
  display: flex;
  flex-direction: column;
}

.app-user-name {
  font-size: 1.0625rem;
  font-weight: 700;
}

.app-date-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Cycle Ring in Phone Screen */
.cycle-ring-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  position: relative;
}

.cycle-ring-svg {
  width: 170px;
  height: 170px;
  transform: rotate(-90deg);
}

.cycle-ring-center {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cycle-day-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
}

.cycle-phase-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-light);
  margin-top: 4px;
}

.cycle-countdown-badge {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Interactive Phase Selector Controls */
.phase-control-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.phase-btn {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.phase-btn:hover, .phase-btn.active {
  background: rgba(244, 63, 94, 0.15);
  border-color: var(--primary);
  color: #FFFFFF;
}

.phase-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* Symptom Selector View */
.symptom-chips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 12px;
  max-height: 380px;
  overflow-y: auto;
}

.symptom-chip {
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.symptom-chip.selected {
  background: rgba(244, 63, 94, 0.2);
  border-color: var(--primary);
  color: #FFFFFF;
}

/* AI Coach Simulator inside phone */
.ai-chat-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  overflow-y: auto;
  padding-bottom: 8px;
}

.ai-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.78125rem;
  line-height: 1.45;
  max-width: 88%;
}

.ai-bubble-coach {
  background: rgba(30, 27, 46, 0.9);
  border: 1px solid rgba(192, 132, 252, 0.25);
  color: #EDE9FE;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-bubble-user {
  background: var(--primary);
  color: #FFFFFF;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.ai-prompt-shortcuts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}

.ai-prompt-btn {
  padding: 7px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.71875rem;
  color: var(--text-secondary);
  text-align: left;
  transition: all 0.2s ease;
}

.ai-prompt-btn:hover {
  background: rgba(192, 132, 252, 0.15);
  border-color: var(--accent-violet);
  color: #FFFFFF;
}

/* ==========================================================================
   Visual Feature Storytelling Sections (1 to 7) & Section Differentiation
   ========================================================================== */
.feature-story-section {
  padding: clamp(64px, 7vw, 96px) 0;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.4s ease;
}

/* Distinct Section Atmospheric Themes */
.section-theme-rose {
  background: radial-gradient(circle at 12% 20%, rgba(244, 63, 94, 0.06) 0%, transparent 55%), #06070B;
}

.section-theme-amber {
  background: radial-gradient(circle at 88% 25%, rgba(251, 191, 36, 0.06) 0%, transparent 55%), #0A0C13;
}

.section-theme-violet {
  background: radial-gradient(circle at 10% 30%, rgba(192, 132, 252, 0.06) 0%, transparent 55%), #06070B;
}

.section-theme-indigo {
  background: radial-gradient(circle at 85% 20%, rgba(129, 140, 248, 0.06) 0%, transparent 55%), #0A0C13;
}

.section-theme-emerald {
  background: radial-gradient(circle at 15% 25%, rgba(52, 211, 153, 0.06) 0%, transparent 55%), #06070B;
}

.section-theme-purple {
  background: radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.06) 0%, transparent 55%), #0A0C13;
}

.section-theme-partner {
  background: radial-gradient(circle at 50% 15%, rgba(244, 63, 94, 0.05) 0%, rgba(56, 189, 248, 0.05) 45%, transparent 75%), #06070B;
}

.section-theme-calendar {
  background: radial-gradient(circle at 50% 30%, rgba(251, 191, 36, 0.07) 0%, rgba(244, 63, 94, 0.04) 50%, transparent 80%), #080912;
  border-top: 1.5px solid rgba(251, 191, 36, 0.18);
  border-bottom: 1.5px solid rgba(251, 191, 36, 0.18);
}

.section-glow-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.08) 20%, rgba(244, 63, 94, 0.4) 50%, rgba(255, 255, 255, 0.08) 80%, transparent 100%);
  position: relative;
  margin: 0;
  display: block;
}

.section-glow-divider::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 9px;
  background: radial-gradient(ellipse at center, rgba(244, 63, 94, 0.6) 0%, transparent 80%);
  filter: blur(2px);
}

.feature-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4.5vw, 60px);
  align-items: center;
}

.feature-story-grid > * {
  min-width: 0;
}

.feature-story-grid.reversed {
  direction: rtl;
}
.feature-story-grid.reversed > * {
  direction: ltr;
}

.feature-story-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-story-title {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  text-wrap: balance;
  line-height: 1.18;
}

.feature-story-desc {
  font-size: clamp(0.92rem, 1.05vw, 1.02rem);
  color: var(--text-secondary);
  line-height: 1.65;
  text-wrap: pretty;
  max-width: 52ch;
}

.feature-benefit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.feature-benefit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-primary);
  text-wrap: pretty;
}

.feature-benefit-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(244, 63, 94, 0.15);
  border: 1.5px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  font-size: 0.75rem;
}

/* Interactive Feature Visual Cards */
.feature-visual-card {
  padding: clamp(20px, 2.8vw, 32px);
  border-radius: var(--radius-xl);
  background: rgba(14, 16, 24, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6), 0 0 25px rgba(244, 63, 94, 0.05);
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-spring);
}

.feature-visual-card:hover {
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), 0 0 45px rgba(244, 63, 94, 0.12);
}

.feature-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
  opacity: 0.25;
  pointer-events: none;
}

/* ==========================================================================
   "Inside HerCare" Multiple Phone Showcase Gallery
   ========================================================================== */
.inside-showcase-section {
  padding: 100px 0;
  overflow: hidden;
}

.inside-phones-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.inside-phone-card {
  width: 260px;
  padding: 16px;
  background: #09090D;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 36px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.3s var(--ease-spring);
}

.inside-phone-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow-rose);
}

.inside-phone-preview {
  height: 380px;
  background: #000000;
  border-radius: 26px;
  padding: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.inside-phone-title {
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
}

.inside-phone-subtitle {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   "Why HerCare?" 4 Pillars
   ========================================================================== */
.why-section {
  padding: 100px 0;
  background: linear-gradient(180deg, rgba(8, 8, 14, 0) 0%, rgba(14, 14, 22, 0.6) 100%);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.why-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
}

.why-card-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Premium Section
   ========================================================================== */
.premium-section {
  padding: 100px 0;
}

.premium-card-wrapper {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 48px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 100% 0%, rgba(244, 63, 94, 0.12) 0%, rgba(18, 18, 26, 0.9) 60%);
  border: 1px solid rgba(244, 63, 94, 0.25);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), var(--shadow-glow-rose);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.premium-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.premium-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #FFFFFF;
}

.premium-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.premium-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.premium-pricing-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  gap: 16px;
}

.premium-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}

.premium-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.premium-billing-notice {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   Trust & Privacy Section
   ========================================================================== */
.trust-section {
  padding: 90px 0;
  background: rgba(8, 8, 14, 0.4);
}

.trust-box {
  padding: 48px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.trust-points-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.trust-point-item {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.trust-point-icon {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Medical Disclaimer Banner */
.disclaimer-banner {
  margin-top: 48px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.2);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.875rem;
  color: #FEF3C7;
  line-height: 1.5;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-section {
  padding: 100px 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-md);
  background: var(--surface-card);
  border: 1px solid var(--surface-glass-border);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #FFFFFF;
  text-align: left;
  cursor: pointer;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: transform 0.3s var(--ease-spring);
  flex-shrink: 0;
}

.faq-item.open .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-spring);
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  padding-bottom: 22px;
}

/* ==========================================================================
   15. DOWNLOAD CTA BOX (CENTERED PROMINENT GLOWING CARD)
   ========================================================================== */
.download-cta-section {
  padding: 100px 0 80px;
  position: relative;
  z-index: 2;
}

.download-cta-box,
.footer-cta-card {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 72px 48px;
  background: radial-gradient(circle at 50% 0%, rgba(244, 63, 94, 0.26) 0%, rgba(14, 14, 22, 0.96) 70%);
  border: 1.5px solid rgba(244, 63, 94, 0.4);
  border-radius: 32px;
  box-shadow: 0 30px 90px -20px rgba(0, 0, 0, 0.95), 0 0 60px rgba(244, 63, 94, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.download-cta-box::before,
.footer-cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #F43F5E, transparent);
}

.download-store-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  transition: all 0.25s var(--ease-spring);
}

.store-btn:hover {
  background: #111118;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.store-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-btn-sub {
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.store-btn-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
  background: #020204;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 32px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-column-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer-nav-link {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-nav-link:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* Modal Overlay for Store Links & Messages */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 460px;
  width: 100%;
  box-shadow: var(--shadow-glass);
  text-align: center;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    align-items: center;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats-row {
    justify-content: center;
  }
  .hero-3d-wrapper {
    height: 520px;
  }
  .intro-cards-grid, .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testdrive-grid {
    grid-template-columns: 1fr;
  }
  .feature-story-grid, .feature-story-grid.reversed {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .premium-card-wrapper {
    grid-template-columns: 1fr;
  }
  .trust-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-primary, .nav-actions #sound-toggle-btn {
    display: none;
  }
  .top-right-launch-label {
    font-size: 0.6875rem !important;
    padding: 4px 10px !important;
  }
  .mobile-toggle {
    display: flex;
  }
  .intro-cards-grid, .why-grid {
    grid-template-columns: 1fr;
  }
  .testdrive-box {
    padding: 24px 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   PRODUCT MANAGER ENHANCEMENTS: CYCLE QUIZ, MEDICAL BOARD, QR & PAIR CODE
   ========================================================================== */

/* 1. Interactive 60-Second Cycle Quiz */
.cycle-quiz-section {
  padding: 40px 0 60px;
}

.cycle-quiz-container {
  background: radial-gradient(circle at 50% 0%, rgba(244,63,94,0.12) 0%, rgba(18,18,26,0.95) 75%);
  border: 1.5px solid rgba(244, 63, 94, 0.35);
  border-radius: 28px;
  padding: clamp(28px, 4vw, 48px);
  box-shadow: 0 20px 60px -15px rgba(0,0,0,0.8), 0 0 35px rgba(244,63,94,0.15);
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.quiz-option-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 20px 14px;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.quiz-option-card:hover {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.4);
  transform: translateY(-3px);
}

.quiz-option-card.selected {
  background: rgba(244, 63, 94, 0.18);
  border-color: #F43F5E;
  box-shadow: 0 0 20px rgba(244, 63, 94, 0.3);
}

.quiz-option-icon {
  font-size: 1.75rem;
}

.quiz-option-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: #FFFFFF;
}

/* 2. Medical Advisory Board Cards */
.medical-board-section {
  padding: 70px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.medical-board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.medical-board-card {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 30px 24px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.medical-board-card:hover {
  border-color: rgba(244, 63, 94, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(244, 63, 94, 0.15);
}

.medical-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,63,94,0.3) 0%, rgba(192,132,252,0.2) 100%);
  border: 2px solid rgba(244, 63, 94, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 16px;
  box-shadow: 0 0 20px rgba(244, 63, 94, 0.25);
}

.medical-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.medical-title {
  font-size: 0.8125rem;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 12px;
}

.medical-bio {
  font-size: 0.8125rem;
  color: #94A3B8;
  line-height: 1.5;
}

/* 3. QR Code Scanner in Download Modal */
.modal-qr-container {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  margin-bottom: 20px;
}

.modal-qr-code {
  width: 80px;
  height: 80px;
  background: #FFFFFF;
  border-radius: 12px;
  padding: 6px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 4. Partner Connect Pair Code Generator Box */
.pair-code-box {
  background: rgba(10, 8, 14, 0.85);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
}

.pair-code-display {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: #34D399;
  letter-spacing: 0.1em;
}

/* ==========================================================================
   HERCARE PREMIUM POPUP MODAL (SAME-TAB DIALOG)
   ========================================================================== */
.premium-modal-card {
  max-width: 820px !important;
  max-height: 88vh;
  overflow-y: auto;
  padding: clamp(28px, 4vw, 40px) !important;
  text-align: left;
  background: radial-gradient(circle at 50% 0%, rgba(244,63,94,0.14) 0%, rgba(14,14,20,0.96) 80%) !important;
  border: 1.5px solid rgba(244, 63, 94, 0.4) !important;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.9), 0 0 45px rgba(244, 63, 94, 0.25) !important;
}

.premium-modal-card::-webkit-scrollbar {
  width: 6px;
}
.premium-modal-card::-webkit-scrollbar-thumb {
  background: rgba(244, 63, 94, 0.4);
  border-radius: 4px;
}

.modal-premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 18px 0;
}

.modal-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 16px;
  transition: all 0.25s ease;
}

.modal-feat-item:hover {
  background: rgba(244, 63, 94, 0.08);
  border-color: rgba(244, 63, 94, 0.35);
  transform: translateY(-2px);
}

.modal-feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.modal-feat-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.modal-feat-desc {
  font-size: 0.8125rem;
  color: #94A3B8;
  line-height: 1.45;
}