/* ==========================================================================
   QUIZCASH — Official Landing Page Stylesheet
   Architecture: Mobile-First Responsive System (Touch-First & Fluid)
   Zero Horizontal Overflow Guarantee across all Viewports (320px - 1920px+)
   ========================================================================== */

/* ==========================================================================
   0. DESIGN SYSTEM TOKENS & RESET
   ========================================================================== */
:root {
  /* Luxury Light Brand Palette */
  --primary: #4F46E5;            /* Deep Royal Indigo */
  --primary-hover: #4338CA;
  --primary-dark: #3730A3;
  --primary-light: #EEF2FF;       /* Soft Indigo Wash */
  --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  --primary-glow: rgba(79, 70, 229, 0.28);

  --accent-amber: #D97706;        /* High-value Amber / Gold */
  --accent-amber-light: #FEF3C7;
  --accent-amber-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);

  --accent-green: #059669;        /* Success Emerald */
  --accent-green-light: #ECFDF5;

  --accent-purple: #7C3AED;       /* Vibrant Purple */
  --accent-purple-light: #F5F3FF;

  /* Neutrals */
  --bg-page: #FAF8FF;             /* Subtle Lavender-White Background */
  --bg-card: #FFFFFF;
  --bg-dark-banner: #1E1B4B;      /* Midnight Indigo for High-Contrast Banner */

  --text-heading: #0F172A;        /* Slate 900 */
  --text-body: #334155;           /* Slate 700 */
  --text-muted: #64748B;          /* Slate 500 */
  --text-light: #F8FAFC;

  --border-subtle: #E2E8F0;
  --border-purple: #DDD6FE;

  /* Elevations */
  --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.05);
  --shadow-md: 0 10px 25px -4px rgba(99, 102, 241, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 35px -5px rgba(99, 102, 241, 0.16), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
  --shadow-phone: 0 25px 60px -12px rgba(15, 23, 42, 0.35);

  /* Geometry */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Layout Measurements */
  --header-height: 64px;
  --container-max: 1200px;
}

/* Strict Box-Sizing & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.6;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
  -webkit-text-size-adjust: 100%;
}

/* Global Media & Overflow Guards */
img, svg, video, canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6, p, span, a, li, blockquote {
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Ambient Subtle Background Blobs (Safe viewport-bound containment) */
.ambient-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}

.blob-1 {
  width: clamp(240px, 45vw, 420px);
  height: clamp(240px, 45vw, 420px);
  background: radial-gradient(circle, #E0E7FF 0%, rgba(224, 231, 255, 0) 70%);
  top: -80px;
  right: -60px;
}

.blob-2 {
  width: clamp(220px, 42vw, 380px);
  height: clamp(220px, 42vw, 380px);
  background: radial-gradient(circle, #EDE9FE 0%, rgba(237, 233, 254, 0) 70%);
  top: 30%;
  left: -80px;
}

.blob-3 {
  width: clamp(260px, 48vw, 450px);
  height: clamp(260px, 48vw, 450px);
  background: radial-gradient(circle, #FEF3C7 0%, rgba(254, 243, 199, 0) 70%);
  bottom: 10%;
  right: -80px;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 clamp(14px, 4vw, 24px);
  position: relative;
  z-index: 1;
  box-sizing: border-box;
}

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(28px, 5vw, 44px);
  padding: 0 4px;
}


.desktop-only {
  display: none;
}

.section-pill-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

.nav-dl-icon {
  margin-right: 4px;
  display: inline-block;
}

.section-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  border: 1px solid var(--border-purple);
  color: var(--primary);
  font-size: clamp(0.74rem, 2.3vw, 0.84rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.65rem, 5.2vw, 2.45rem);
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: clamp(0.9rem, 2.8vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Gradient Text */
.purple-gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  border: 1px solid transparent;
  box-sizing: border-box;
  min-height: 48px;
  max-width: 100%;
  text-align: center;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -3px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -3px rgba(79, 70, 229, 0.45);
}

.btn-outline {
  background: #FFFFFF;
  border: 1.5px solid var(--border-purple);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-white {
  background: #FFFFFF;
  color: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  background: #F8FAFC;
  transform: translateY(-2px);
}

/* SEO Banner hidden element */
.hero-seo-banner-figure {
  display: none;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  height: 0;
  width: 0;
  margin: 0;
  padding: 0;
}

/* ==========================================================================
   1. NAVBAR (Mobile Drawer Foundation)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(250, 248, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  width: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
  object-fit: cover;
}

.brand-title {
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

/* Mobile Navigation Drawer */
.nav-links {
  position: fixed;
  top: var(--header-height);
  left: -100%;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 36px 24px;
  gap: 16px;
  transition: left 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
  display: flex;
  z-index: 999;
  overflow-y: auto;
}

.nav-links.open {
  left: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-heading);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 20px;
  width: 100%;
  text-align: center;
  border-radius: var(--radius-md);
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  border-color: var(--border-purple);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-cta-btn {
  display: none; /* Shown on desktop */
}

/* Mobile Hamburger Button */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 5px;
  border-radius: 8px;
  padding: 4px;
}

.hamburger:hover {
  background: var(--primary-light);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text-heading);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ==========================================================================
   2. HERO SECTION (Touch-First & Fluid Layout)
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: 36px;
  text-align: center;
  overflow-x: hidden;
  width: 100%;
}

.hero-announcement {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #FFFFFF;
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-pill);
  font-size: clamp(0.74rem, 2.4vw, 0.85rem);
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  max-width: 100%;
  box-sizing: border-box;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-announcement .verified-check {
  color: #10B981;
}

.hero-announcement .code-pill {
  background: var(--accent-amber-light);
  color: var(--accent-amber);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 800;
}

.hero-title {
  font-size: clamp(1.85rem, 6.8vw, 2.35rem);
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  max-width: 100%;
  padding: 0 4px;
}

.hero-subtitle {
  font-size: clamp(0.92rem, 3vw, 1.05rem);
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto 22px;
  line-height: 1.55;
  padding: 0 6px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
  width: 100%;
}

.hero-actions .btn {
  width: 100%;
  max-width: 360px;
  min-height: 50px;
  font-size: 0.98rem;
  border-radius: 14px;
}

/* 3-Platform Store Download Suite (Mobile-First Stack) */
.hero-download-wrapper {
  margin-top: 10px;
  width: 100%;
}

.hero-store-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 360px;
  margin: 0 auto 16px;
}

.hero-store-badge {
  width: 100%;
  padding: 12px 18px;
  min-height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  box-sizing: border-box;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.hero-store-badge.playstore-badge {
  background: #0F172A;
  color: #FFFFFF;
  border: 1px solid #1E293B;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

.hero-store-badge.apk-badge {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #FFFFFF;
  border: 1px solid #10B981;
  box-shadow: 0 8px 20px rgba(5, 150, 105, 0.25);
}

.hero-store-badge.appstore-badge {
  background: #FFFFFF;
  color: var(--text-heading);
  border: 1.5px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.store-badge-icon-wrap {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.store-badge-svg {
  width: 28px;
  height: 28px;
  display: block;
}

.store-badge-content {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.25;
  flex-grow: 1;
}

.store-badge-sub {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  opacity: 0.85;
}

.store-badge-main {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.store-badge-tag {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.tag-android {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
}

.tag-apk {
  background: #FEF3C7;
  color: #D97706;
}

.tag-ios {
  background: #F1F5F9;
  color: #475569;
}

.hero-download-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: clamp(0.72rem, 2.2vw, 0.82rem);
  color: var(--text-muted);
  margin-bottom: 14px;
  padding: 0 6px;
  line-height: 1.4;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.meta-sep {
  opacity: 0.5;
}

.hero-sub-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-explore-pill,
.hero-install-guide-pill {
  padding: 8px 14px;
  font-size: clamp(0.75rem, 2.2vw, 0.82rem);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s ease;
}

.hero-explore-pill {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border-purple);
}

.hero-install-guide-pill {
  background: #FFFFFF;
  color: #059669;
  border: 1px solid #A7F3D0;
  cursor: pointer;
}

/* ==========================================================================
   HERO TRIPLE PHONE MOCKUP STAGE (Mobile-First Scaled Proportionally)
   Zero overflow on 320px screens: 96px - 36px + 124px - 36px + 96px = 244px total!
   ========================================================================== */
.hero-phones-stage {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: 16px 0 10px;
  overflow: visible;
  box-sizing: border-box;
}

.hero-phones-stage::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  height: 80%;
  background: radial-gradient(circle, rgba(199, 210, 254, 0.6) 0%, rgba(238, 242, 255, 0) 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.phone-mockup {
  position: relative;
  z-index: 2;
  border-radius: clamp(20px, 4vw, 32px);
  background: #0B0F19;
  padding: clamp(4px, 1vw, 6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.32), 0 0 0 1px rgba(255, 255, 255, 0.08);
  border: clamp(2px, 0.6vw, 3.5px) solid #1E293B;
  box-sizing: border-box;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  will-change: transform;
}

.phone-mockup img {
  width: 100%;
  height: 100%;
  border-radius: clamp(16px, 3.2vw, 26px);
  display: block;
  object-fit: cover;
}

/* Mobile-First Center Phone */
.phone-mockup.center-phone {
  display: block;
  width: clamp(124px, 38vw, 168px);
  height: auto;
  aspect-ratio: 9 / 18.5;
  z-index: 3;
  margin: 0;
  animation: heroFloatCenterMobile 5s ease-in-out infinite;
}

/* Mobile-First Side Left Phone */
.phone-mockup.side-left {
  display: block;
  width: clamp(96px, 30vw, 132px);
  height: auto;
  aspect-ratio: 9 / 18.5;
  margin-right: clamp(-36px, -9vw, -20px);
  margin-bottom: clamp(6px, 1.8vw, 12px);
  transform: rotate(-6deg);
  z-index: 2;
  opacity: 0.96;
  animation: heroFloatLeftMobile 5.8s ease-in-out infinite 0.3s;
}

/* Mobile-First Side Right Phone */
.phone-mockup.side-right {
  display: block;
  width: clamp(96px, 30vw, 132px);
  height: auto;
  aspect-ratio: 9 / 18.5;
  margin-left: clamp(-36px, -9vw, -20px);
  margin-bottom: clamp(6px, 1.8vw, 12px);
  transform: rotate(6deg);
  z-index: 2;
  opacity: 0.96;
  animation: heroFloatRightMobile 5.4s ease-in-out infinite 0.6s;
}

/* Desktop Floating Glass Pills (Hidden on mobile) */
.floating-glass-pill {
  display: none;
}

/* Mobile Badges Row */
.hero-mobile-badges-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  width: 100%;
  padding: 0 4px;
  box-sizing: border-box;
}

.mobile-badge-pill {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: clamp(0.7rem, 2.1vw, 0.76rem);
  font-weight: 700;
  color: var(--text-heading);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.mobile-badge-pill .mb-icon {
  font-size: 0.9rem;
}

/* ==========================================================================
   3. MEET QUIZCASH (Center Visual & Surrounding Speech Bubbles)
   ========================================================================== */
.assistant-section {
  padding: clamp(36px, 6vw, 54px) 0;
  text-align: center;
}

.assistant-stage {
  position: relative;
  max-width: 100%;
  margin: 24px auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
}

.assistant-central-avatar {
  position: relative;
  width: 115px;
  height: 115px;
  border-radius: 50%;
  background: radial-gradient(circle, #EEF2FF 0%, #C7D2FE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.2);
  border: 4px solid #FFFFFF;
  margin-bottom: 12px;
}

.assistant-central-avatar img {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(30, 27, 75, 0.15);
}

.speech-bubble {
  position: static;
  background: #FFFFFF;
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-heading);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 100%;
  text-align: left;
  line-height: 1.4;
  box-sizing: border-box;
  transition: transform 0.3s ease;
}

.speech-bubble:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.35);
}

.speech-bubble-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ==========================================================================
   4. CONTRAST INDIGO BANNER ("Every Scholar's Biggest Question")
   ========================================================================== */
.contrast-banner-section {
  padding: 24px 0 clamp(36px, 6vw, 60px);
}

.contrast-banner-card {
  background: var(--bg-dark-banner);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 5vw, 40px) clamp(16px, 4vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 24px;
  box-shadow: 0 25px 60px -10px rgba(49, 46, 129, 0.45);
  position: relative;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.contrast-banner-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.banner-phones-duo {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  padding: 8px 0;
  box-sizing: border-box;
}

.banner-phone {
  width: clamp(105px, 30vw, 150px);
  height: auto;
  aspect-ratio: 9 / 18.5;
  border-radius: clamp(16px, 4vw, 28px);
  background: #0B0F19;
  padding: clamp(4px, 1vw, 6px);
  border: clamp(2px, 0.5vw, 3px) solid #334155;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  box-sizing: border-box;
  flex-shrink: 0;
}

.banner-phone img {
  width: 100%;
  height: 100%;
  border-radius: clamp(12px, 3vw, 22px);
  object-fit: cover;
  display: block;
}

.banner-phone.phone-1 {
  transform: rotate(-6deg) translateX(8px);
  z-index: 1;
}

.banner-phone.phone-2 {
  transform: rotate(6deg) translateX(-8px);
  z-index: 2;
}

.banner-content h3 {
  color: #FFFFFF;
  font-size: clamp(1.45rem, 5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
}

.banner-checklist {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}

.banner-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #E0E7FF;
  font-size: clamp(0.9rem, 2.7vw, 1rem);
  margin-bottom: 12px;
  line-height: 1.5;
}

.banner-check-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

.banner-cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  width: 100%;
}

.banner-cta-group .btn {
  width: 100%;
  max-width: 320px;
}

.banner-download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  width: 100%;
}

.banner-store-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  transition: all 0.2s ease;
  min-height: 44px;
}

.banner-store-pill img {
  width: 18px;
  height: 18px;
  display: block;
}

.banner-store-pill:hover {
  background: #FFFFFF;
  color: #0F172A;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   5. BENTO FEATURE CARDS GRID (6 Cards - Mobile 1 Column)
   ========================================================================== */
.bento-section {
  padding: clamp(36px, 6vw, 54px) 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
  width: 100%;
  box-sizing: border-box;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

.bento-card-subtle-1 { background: #FAF5FF; border-color: rgba(216, 180, 254, 0.4); }
.bento-card-subtle-2 { background: #EEF2FF; border-color: rgba(199, 210, 254, 0.4); }
.bento-card-subtle-3 { background: #F0FDF4; border-color: rgba(187, 247, 208, 0.4); }
.bento-card-subtle-4 { background: #FFFBEB; border-color: rgba(254, 240, 138, 0.4); }
.bento-card-subtle-5 { background: #FDF2F8; border-color: rgba(251, 207, 232, 0.4); }
.bento-card-subtle-6 { background: #F8FAFC; border-color: rgba(226, 232, 240, 0.6); }

.bento-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.bento-card h4 {
  font-size: clamp(1.15rem, 3.5vw, 1.25rem);
  margin-bottom: 8px;
  color: var(--text-heading);
}

.bento-card p {
  color: var(--text-body);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ==========================================================================
   6. SOCIAL PROOF & TESTIMONIAL (Mobile Centered)
   ========================================================================== */
.social-proof-section {
  padding: clamp(36px, 6vw, 54px) 0;
}

.social-proof-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 5vw, 40px) clamp(16px, 4vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 22px;
  box-shadow: var(--shadow-md);
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.proof-visual-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.proof-circle-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C7D2FE 0%, #E0E7FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 3px solid #FFFFFF;
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
  margin: 0 auto;
}

.proof-circle-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.proof-floating-stat {
  position: static;
  margin-top: 12px;
  background: #FFFFFF;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  display: inline-block;
}

.proof-floating-stat strong {
  display: block;
  font-size: 1.15rem;
  color: var(--primary);
  font-weight: 800;
}

.proof-floating-stat span {
  font-size: 0.76rem;
  color: var(--text-body);
}

.proof-quote-content blockquote {
  font-size: clamp(1.05rem, 3.6vw, 1.35rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.5;
  margin-bottom: 20px;
  position: relative;
}

.proof-author {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.proof-author-info strong {
  display: block;
  font-size: 1rem;
  color: var(--text-heading);
}

.proof-author-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   7. STEP-BY-STEP HOW IT WORKS ROWS (01, 02, 03, 04)
   ========================================================================== */
.steps-section {
  padding: clamp(36px, 6vw, 54px) 0;
}

.step-row {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  position: relative;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.step-text-col {
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.giant-step-num {
  font-size: clamp(3.2rem, 14vw, 5.5rem);
  font-weight: 900;
  color: rgba(99, 102, 241, 0.12);
  line-height: 1;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

.step-text-inner {
  position: relative;
  z-index: 1;
}

.step-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-text-inner h3 {
  font-size: clamp(1.35rem, 4.2vw, 1.85rem);
  margin-bottom: 10px;
  color: var(--text-heading);
}

.step-bengali-sub {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-amber);
  margin-bottom: 10px;
}

.step-text-inner p {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 18px;
}

.step-phone-col {
  order: -1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.step-phone-card {
  width: clamp(140px, 44vw, 185px);
  height: auto;
  aspect-ratio: 9 / 18.5;
  margin: 0 auto;
  background: #0B0F19;
  border-radius: clamp(20px, 4.5vw, 32px);
  padding: clamp(4px, 1.2vw, 7px);
  border: 3px solid #1E293B;
  box-shadow: var(--shadow-phone);
  transition: transform 0.4s ease;
  box-sizing: border-box;
}

.step-phone-card:hover {
  transform: translateY(-4px);
}

.step-phone-card img {
  width: 100%;
  height: 100%;
  border-radius: clamp(16px, 3.5vw, 26px);
  object-fit: cover;
  display: block;
}

.step-text-inner .btn {
  width: 100%;
  max-width: 320px;
  min-height: 48px;
  border-radius: 12px;
}

/* ==========================================================================
   8. VIP MEMBERSHIP TIERS & LIVE CALCULATOR
   ========================================================================== */
.vip-section {
  padding: clamp(36px, 6vw, 54px) 0;
  background: #F5F3FF;
}

.vip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 30px;
  width: 100%;
  box-sizing: border-box;
}

.vip-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 26px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
  box-sizing: border-box;
}

.vip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.vip-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 16px 35px rgba(79, 70, 229, 0.16);
  /* Transform remains 1.0 on mobile to avoid overflow */
}

.vip-featured-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
  white-space: nowrap;
}

.vip-tier-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-heading);
}

.vip-price {
  font-size: clamp(1.8rem, 5.5vw, 2.1rem);
  font-weight: 900;
  color: var(--text-heading);
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
}

.vip-price span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.vip-free-badge {
  display: inline-block;
  background: #10B981;
  color: #FFFFFF;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  margin-right: 4px;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.vip-feature-list {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.vip-feature-list li {
  font-size: 0.88rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-body);
}

.vip-feature-list li.active {
  color: var(--text-heading);
  font-weight: 600;
}

.vip-feature-list li.disabled {
  color: var(--text-muted);
  opacity: 0.6;
}

.vip-card .btn {
  width: 100%;
}

/* Coin Converter Box (Mobile Fluid Foundation) */
.converter-card {
  background: #FFFFFF;
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-xl);
  padding: 22px 16px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
}

.converter-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.converter-input-box label {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 0;
}

.live-rate-pill {
  font-size: 0.74rem;
  font-weight: 700;
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
  padding: 3px 10px;
  border-radius: 9999px;
  white-space: nowrap;
}

.converter-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.converter-input {
  width: 100%;
  padding: 12px 90px 12px 14px;
  font-size: clamp(1.1rem, 3.8vw, 1.35rem);
  font-weight: 800;
  color: var(--text-heading);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s ease;
  min-height: 48px;
  box-sizing: border-box;
}

.converter-input-suffix {
  position: absolute;
  right: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #64748B;
  pointer-events: none;
}

.converter-input:focus {
  border-color: var(--primary);
}

.converter-quick-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}

.preset-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-right: 2px;
}

.coin-preset-btn {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  border-radius: 9999px;
  padding: 4px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  transition: all 0.2s ease;
}

.coin-preset-btn:hover {
  background: #E2E8F0;
  border-color: #94A3B8;
}

.coin-preset-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.converter-output-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.payout-tile {
  background: var(--primary-light);
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  transition: all 0.2s ease;
}

.payout-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.payout-tile-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748B;
  margin-bottom: 4px;
}

.payout-tile strong {
  display: block;
  font-size: 1.35rem;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 2px;
}

.payout-tile span:not(.payout-tile-label) {
  font-size: 0.78rem;
  color: var(--text-body);
  font-weight: 600;
}

.payout-tile.highlight-bdt {
  background: #FEF3C7;
  border-color: #FDE68A;
}

.payout-tile.highlight-bdt strong {
  color: #D97706;
}

/* ==========================================================================
   9. DEDICATED APP DOWNLOAD HUB (3-Platform Grid & Direct Install)
   ========================================================================== */
.download-section {
  padding: clamp(36px, 6vw, 54px) 0;
  background: linear-gradient(180deg, #FAF8FF 0%, #F1F5F9 100%);
  position: relative;
}

.download-hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 28px;
  width: 100%;
  box-sizing: border-box;
}

.platform-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.35);
}

.platform-card.featured-apk {
  border: 2px solid #10B981;
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
  box-shadow: 0 12px 30px -5px rgba(16, 185, 129, 0.15);
}

.platform-badge-top {
  position: absolute;
  top: -12px;
  left: 20px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
}

.platform-badge-top.hot-badge {
  background: #10B981;
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.platform-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 1px solid #E2E8F0;
}

.featured-apk .platform-icon-box {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.25);
}

.platform-icon-box img {
  width: 30px;
  height: 30px;
}

.platform-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.platform-sub {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.platform-spec-list {
  list-style: none;
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 20px;
  border: 1px solid #E2E8F0;
}

.platform-spec-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  padding: 4px 0;
  border-bottom: 1px dashed #E2E8F0;
}

.platform-spec-list li:last-child {
  border-bottom: none;
}

.spec-label {
  color: #64748B;
  font-weight: 600;
}

.spec-value {
  color: var(--text-heading);
  font-weight: 700;
}

.spec-value.highlight-bonus {
  color: #059669;
}

.btn-platform {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-sizing: border-box;
  min-height: 48px;
}

.btn-playstore {
  background: #0F172A;
  color: #FFFFFF;
}

.btn-playstore:hover {
  background: #1E293B;
}

.btn-apk-direct {
  background: #059669;
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(5, 150, 105, 0.3);
}

.btn-apk-direct:hover {
  background: #047857;
  transform: translateY(-2px);
}

.btn-appstore {
  background: #F1F5F9;
  color: #64748B;
  border: 1px solid #CBD5E1;
  cursor: default;
}

.btn-plat-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.btn-sub-guide {
  background: transparent;
  border: none;
  color: #059669;
  font-size: 0.82rem;
  font-weight: 700;
  margin-top: 10px;
  cursor: pointer;
  text-align: center;
  padding: 6px;
  width: 100%;
  transition: color 0.2s ease;
}

.btn-sub-guide:hover {
  text-decoration: underline;
  color: #047857;
}

/* Download Guide Box & QR Frame (Mobile Stacked) */
.download-guide-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.guide-qr-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-right: none;
  border-bottom: 1px solid #E2E8F0;
  padding-right: 0;
  padding-bottom: 20px;
}

.qr-frame {
  width: 135px;
  height: 135px;
  border: 2px solid #E2E8F0;
  border-radius: 18px;
  padding: 8px;
  background: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-sizing: border-box;
}

.qr-frame:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.2);
}

.qr-frame img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 8px;
}

.guide-qr-column strong {
  font-size: 0.95rem;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.guide-qr-column span {
  font-size: 0.8rem;
  color: #64748B;
}

.qr-domain-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.qr-domain-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.qr-sub-desc {
  font-size: 0.78rem;
  color: #64748B;
  margin-top: 4px;
}

.guide-steps-column h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 16px;
  text-align: center;
}

.apk-quick-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.apk-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.apk-step-item strong {
  font-size: 0.92rem;
  color: var(--text-heading);
  display: block;
  margin-bottom: 2px;
}

.apk-step-item p {
  font-size: 0.84rem;
  color: var(--text-body);
  line-height: 1.45;
  margin: 0;
}

/* ==========================================================================
   10. CONTACT SECTION (Mobile 1 Column)
   ========================================================================== */
.contact-section {
  padding: clamp(36px, 6vw, 54px) 0;
  background: #FAF9FE;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: flex-start;
  width: 100%;
  box-sizing: border-box;
}

.contact-info-list {
  margin-top: 16px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.contact-row-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-row-text strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text-heading);
}

.contact-row-text span {
  font-size: 0.84rem;
  color: var(--text-body);
}

.contact-form {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 22px 16px;
  box-shadow: var(--shadow-sm);
  width: 100%;
  box-sizing: border-box;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

/* 16px font-size prevents mobile Safari / Chrome automatic zooming on focus */
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  background: #FAF9FE;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.contact-form .btn {
  width: 100%;
}

/* ==========================================================================
   11. FOOTER (Mobile Single Column)
   ========================================================================== */
.footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  padding: 36px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 24px;
  width: 100%;
  box-sizing: border-box;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-body);
  margin: 12px 0;
  line-height: 1.55;
  max-width: 100%;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  text-decoration: none;
  font-size: 0.88rem;
  color: var(--text-body);
  transition: color 0.2s ease;
  display: inline-block;
  min-height: 32px;
  line-height: 32px;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-download-list {
  list-style: none;
}

.footer-download-list li {
  margin-bottom: 8px;
}

.footer-download-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #64748B;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-download-list a:hover {
  color: var(--primary);
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   12. POLICY & APK MODALS (Fluid Mobile Containers)
   ========================================================================== */
.policy-modal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 12px;
  box-sizing: border-box;
}

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

.policy-modal-card {
  width: calc(100% - 20px);
  max-width: 600px;
  max-height: 88vh;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
}

.policy-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.policy-modal-close {
  background: #F1F5F9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.policy-modal-close:hover {
  background: #E2E8F0;
}

.policy-modal-tabs {
  display: flex;
  gap: 6px;
  padding: 8px 16px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.policy-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-body);
  cursor: pointer;
  white-space: nowrap;
}

.policy-tab-btn.active {
  background: var(--primary);
  color: #FFFFFF;
}

.policy-modal-body {
  padding: 20px;
  overflow-y: auto;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-body);
}

.policy-modal-body h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 14px;
  margin-bottom: 6px;
}

/* APK Direct Install Modal */
.apk-modal-card {
  width: calc(100% - 20px);
  max-width: 580px;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 24px 18px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  max-height: 88vh;
  overflow-y: auto;
  box-sizing: border-box;
}

.apk-modal-icon {
  font-size: 2rem;
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: 14px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.apk-download-alert {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-top: 12px;
}

.alert-pulse-circle {
  font-size: 1.4rem;
  animation: bounce 1.8s infinite;
}

.modal-steps-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.modal-step-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
}

.modal-step-badge {
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.modal-step-content strong {
  font-size: 0.9rem;
  color: var(--text-heading);
  display: block;
  margin-bottom: 2px;
}

.modal-step-content p {
  font-size: 0.82rem;
  color: var(--text-body);
  line-height: 1.4;
  margin: 0;
}

.apk-modal-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid #E2E8F0;
}

.apk-modal-footer .btn {
  width: 100%;
}

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1E1B4B;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  max-width: calc(100% - 32px);
  box-sizing: border-box;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==========================================================================
   13. FAQ ACCORDION & SEARCH TAG CLOUD (Clean Mobile-First Base)
   ========================================================================== */
.faq-section {
  padding: clamp(36px, 6vw, 54px) 0;
  background: #FAF8FF;
}

.faq-accordion-container {
  max-width: 820px;
  margin: 0 auto clamp(24px, 5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  width: 100%;
  box-sizing: border-box;
}

.faq-item:hover,
.faq-item[open] {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.08);
}

.faq-question {
  padding: 16px 18px;
  font-size: clamp(0.95rem, 3vw, 1.05rem);
  font-weight: 700;
  color: var(--text-heading);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
  gap: 12px;
  min-height: 48px;
  box-sizing: border-box;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  font-size: 0.9rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 18px 18px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-body);
  border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
  border-top-color: rgba(99, 102, 241, 0.08);
  padding-top: 12px;
}

.internal-search-index-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 18px;
  background: #FFFFFF;
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  width: 100%;
  box-sizing: border-box;
}

.search-tags-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.search-tag-pill {
  display: inline-block;
  padding: 6px 13px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-pill);
  font-size: clamp(0.72rem, 2.2vw, 0.8rem);
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  transition: all 0.2s ease;
  line-height: 1.3;
}

.search-tag-pill:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--border-purple);
  transform: translateY(-1px);
}

/* ==========================================================================
   14. KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes heroFloatCenterMobile {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes heroFloatLeftMobile {
  0% { transform: rotate(-6deg) translateY(0px); }
  50% { transform: rotate(-4.5deg) translateY(-10px); }
  100% { transform: rotate(-6deg) translateY(0px); }
}

@keyframes heroFloatRightMobile {
  0% { transform: rotate(6deg) translateY(0px); }
  50% { transform: rotate(4.5deg) translateY(-10px); }
  100% { transform: rotate(6deg) translateY(0px); }
}

@keyframes heroFloatCenterDesktop {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
  100% { transform: translateY(0px); }
}

@keyframes heroFloatLeftDesktop {
  0% { transform: rotate(-8deg) translateY(0px); }
  50% { transform: rotate(-6deg) translateY(-18px); }
  100% { transform: rotate(-8deg) translateY(0px); }
}

@keyframes heroFloatRightDesktop {
  0% { transform: rotate(8deg) translateY(0px); }
  50% { transform: rotate(6deg) translateY(-16px); }
  100% { transform: rotate(8deg) translateY(0px); }
}

@keyframes floatPill {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}


/* ==========================================================================
   PROGRESSIVE ENHANCEMENT: MEDIA QUERIES
   ========================================================================== */

/* ==========================================================================
   A. PHABLET & LANDSCAPE MOBILE (min-width: 480px)
   ========================================================================== */
@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    gap: 12px;
  }

  .hero-actions .btn {
    width: auto;
    min-width: 170px;
  }

  .converter-output-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .banner-cta-group {
    flex-direction: row;
    justify-content: center;
    gap: 12px;
  }

  .banner-cta-group .btn {
    width: auto;
  }

  .apk-modal-footer {
    flex-direction: row;
    justify-content: flex-end;
  }

  .apk-modal-footer .btn {
    width: auto;
  }
}

/* ==========================================================================
   B. TABLET / IPAD VIEW (min-width: 641px) and (max-width: 1024px)
   ========================================================================== */
@media (min-width: 641px) and (max-width: 1024px) {
  :root {
    --header-height: 72px;
  }

  .container {
    padding: 0 28px;
  }

  /* Navbar */
  .brand-title {
    font-size: 1.25rem;
  }

  /* Hero Section */
  .hero-title {
    font-size: clamp(2.2rem, 4.5vw, 2.9rem);
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    margin-bottom: 26px;
  }

  .hero-store-grid {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 720px;
  }

  .hero-store-badge {
    flex: 1 1 200px;
    max-width: 235px;
    min-width: 195px;
  }

  /* Tablet Hero Mockups */
  .hero-phones-stage {
    max-width: 720px;
    padding: 24px 0 16px;
  }

  .phone-mockup.center-phone {
    width: clamp(190px, 28vw, 230px);
  }

  .phone-mockup.side-left {
    width: clamp(155px, 23vw, 190px);
    margin-right: -36px;
  }

  .phone-mockup.side-right {
    width: clamp(155px, 23vw, 190px);
    margin-left: -36px;
  }

  /* Feature Grids: 2 Columns */
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .vip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* Contrast Banner */
  .contrast-banner-card {
    padding: 36px 28px;
    gap: 28px;
  }

  .banner-phone {
    width: 135px;
  }

  /* Social Proof */
  .social-proof-wrapper {
    grid-template-columns: 0.9fr 1.1fr;
    padding: 36px 28px;
    gap: 28px;
    text-align: left;
  }

  .proof-author {
    justify-content: flex-start;
  }

  /* Steps: 2 Columns */
  .step-row {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    text-align: left;
  }

  .step-phone-col {
    order: unset;
  }

  .step-phone-card {
    width: 205px;
  }

  .giant-step-num {
    left: -10px;
    transform: none;
    font-size: 5rem;
  }

  .step-text-inner .btn {
    width: auto;
  }

  /* Download Hub: 3 Columns */
  .download-hub-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .download-guide-box {
    grid-template-columns: 190px 1fr;
    text-align: left;
    padding: 28px 24px;
    gap: 24px;
  }

  .guide-qr-column {
    border-right: 1px solid #E2E8F0;
    border-bottom: none;
    padding-right: 24px;
    padding-bottom: 0;
  }

  .guide-steps-column h4 {
    text-align: left;
  }

  /* Coin Converter */
  .converter-card {
    padding: 26px 22px;
    gap: 24px;
  }

  /* Contact: 2 Columns */
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  /* Footer: 2 Columns */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .footer-bottom-bar {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================================================
   C. DESKTOP VIEW (min-width: 1025px)
   ========================================================================== */
@media (min-width: 1025px) {
  :root {
    --header-height: 80px;
  }

  .container {
    max-width: var(--container-max);
    padding: 0 32px;
  }

  /* 1. Navbar Desktop */
  .hamburger {
    display: none;
  }

  .nav-links {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    flex-direction: row;
    padding: 0;
    gap: 28px;
    box-shadow: none;
    z-index: auto;
    overflow: visible;
  }

  .nav-links a {
    background: transparent;
    border: none;
    padding: 8px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.92rem;
    min-height: auto;
    width: auto;
  }

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

  .nav-cta-btn {
    display: inline-flex;
  }

  /* 2. Hero Desktop */
  .hero-section {
    padding-top: calc(var(--header-height) + 36px);
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: clamp(2.8rem, 4.2vw, 3.6rem);
    max-width: 880px;
    margin: 0 auto 20px;
  }

  .hero-subtitle {
    font-size: 1.15rem;
    max-width: 660px;
    margin: 0 auto 32px;
  }

  .hero-actions {
    flex-direction: row;
    gap: 16px;
    margin-bottom: 36px;
  }

  .hero-actions .btn {
    width: auto;
    padding: 14px 32px;
    font-size: 1.05rem;
  }

  .hero-store-grid {
    flex-direction: row;
    justify-content: center;
    gap: 14px;
    max-width: 840px;
  }

  .hero-store-badge {
    flex: 1;
    max-width: 260px;
    padding: 14px 20px;
  }

  /* Desktop Triple Phone Showcase */
  .hero-phones-stage {
    max-width: 980px;
    padding: 30px 0 20px;
  }

  .phone-mockup {
    border-radius: 40px;
    border-width: 4px;
    padding: 8px;
  }

  .phone-mockup img {
    border-radius: 32px;
  }

  .phone-mockup.center-phone {
    width: 290px;
    height: 590px;
    aspect-ratio: unset;
    border-radius: 42px;
    padding: 10px;
    animation: heroFloatCenterDesktop 6s ease-in-out infinite;
  }

  .phone-mockup.side-left {
    width: 250px;
    height: 510px;
    aspect-ratio: unset;
    border-radius: 36px;
    margin-right: -48px;
    margin-bottom: 25px;
    transform: rotate(-8deg);
    animation: heroFloatLeftDesktop 7s ease-in-out infinite 0.5s;
  }

  .phone-mockup.side-right {
    width: 250px;
    height: 510px;
    aspect-ratio: unset;
    border-radius: 36px;
    margin-left: -48px;
    margin-bottom: 25px;
    transform: rotate(8deg);
    animation: heroFloatRightDesktop 6.5s ease-in-out infinite 1s;
  }

  .phone-mockup:hover {
    transform: scale(1.04) translateY(-10px) !important;
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.45);
    z-index: 10 !important;
  }

  /* Desktop Floating Glass Pills */
  .floating-glass-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-pill);
    padding: 12px 20px;
    box-shadow: var(--shadow-lg);
    position: absolute;
    z-index: 5;
    animation: floatPill 5s ease-in-out infinite;
  }

  .pos-left {
    left: 4%;
    top: 40%;
  }

  .pos-right {
    right: 4%;
    bottom: 25%;
    animation-delay: 2.5s;
  }

  .glass-pill-icon {
    font-size: 1.5rem;
  }

  .glass-pill-info {
    display: flex;
    flex-direction: column;
    text-align: left;
  }

  .glass-pill-info strong {
    font-size: 0.95rem;
    color: var(--text-heading);
  }

  .glass-pill-info span {
    font-size: 0.78rem;
    color: var(--text-muted);
  }

  .hero-mobile-badges-row {
    display: none;
  }

  
  .desktop-only {
    display: inline;
  }

  .bubble-ml {
    top: 45%;
    left: 2%;
    animation: floatPill 5.8s ease-in-out infinite 0.5s;
  }

  .bubble-mr {
    top: 47%;
    right: 2%;
    animation: floatPill 6.2s ease-in-out infinite 1.2s;
  }

  .step-row.reverse {
    direction: rtl;
  }

  .step-row.reverse > * {
    direction: ltr;
  }

  /* 3. Meet QuizCash Desktop Radial Layout */
  .assistant-stage {
    min-height: 480px;
    display: block;
    position: relative;
    margin-top: 30px;
  }

  .assistant-central-avatar {
    width: 160px;
    height: 160px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
  }

  .assistant-central-avatar img {
    width: 106px;
    height: 106px;
  }

  .speech-bubble {
    position: absolute;
    width: auto;
    max-width: 320px;
    margin: 0;
  }

  .bubble-tl {
    top: 10%;
    left: 10%;
    animation: floatPill 5s ease-in-out infinite;
  }

  .bubble-tr {
    top: 14%;
    right: 10%;
    animation: floatPill 5.5s ease-in-out infinite 1s;
  }

  .bubble-bl {
    bottom: 12%;
    left: 12%;
    animation: floatPill 6s ease-in-out infinite 2s;
  }

  .bubble-br {
    bottom: 8%;
    right: 12%;
    animation: floatPill 6.5s ease-in-out infinite 1.5s;
  }

  /* 4. Contrast Indigo Banner Desktop */
  .contrast-banner-card {
    grid-template-columns: 0.85fr 1.15fr;
    padding: 50px 60px;
    gap: 50px;
    text-align: left;
  }

  .banner-phone {
    width: 190px;
    height: 390px;
    aspect-ratio: unset;
  }

  .banner-phone.phone-1 {
    transform: rotate(-6deg) translateX(15px);
  }

  .banner-phone.phone-2 {
    transform: rotate(6deg) translateX(-15px);
  }

  .banner-cta-group {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }

  .banner-cta-group .btn {
    width: auto;
  }

  .banner-download-row {
    justify-content: flex-start;
    width: auto;
  }

  /* 5. Bento Grid Desktop: 3 Columns */
  .bento-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
  }

  .bento-card {
    padding: 32px 28px;
  }

  /* 6. Social Proof Desktop */
  .social-proof-wrapper {
    grid-template-columns: 0.85fr 1.15fr;
    padding: 56px 64px;
    gap: 50px;
    text-align: left;
  }

  .proof-circle-avatar {
    width: 180px;
    height: 180px;
  }

  .proof-circle-avatar img {
    width: 120px;
    height: 120px;
  }

  .proof-floating-stat {
    position: absolute;
    bottom: -10px;
    right: 20px;
    margin-top: 0;
  }

  .proof-quote-content blockquote {
    font-size: 1.45rem;
  }

  .proof-author {
    justify-content: flex-start;
  }

  /* 7. Steps Desktop: Alternating 2 Columns */
  .step-row {
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    margin-bottom: 100px;
    text-align: left;
  }

  .step-phone-col {
    order: unset;
  }

  .step-row:nth-child(even) .step-phone-col {
    order: 2;
  }

  .step-row:nth-child(even) .step-text-col {
    order: 1;
  }

  .step-phone-card {
    width: 250px;
    height: 510px;
    aspect-ratio: unset;
  }

  .giant-step-num {
    font-size: 7rem;
    top: -50px;
    left: -20px;
    transform: none;
  }

  .step-text-inner .btn {
    width: auto;
  }

  /* 8. VIP Grid Desktop: 4 Columns */
  .vip-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
  }

  .vip-card.featured {
    transform: scale(1.03);
  }

  .vip-card.featured:hover {
    transform: scale(1.03) translateY(-6px);
  }

  /* Coin Converter Desktop: 2 Columns */
  .converter-card {
    grid-template-columns: 1.15fr 1fr;
    padding: 36px 32px;
    gap: 36px;
  }

  .converter-input {
    padding: 14px 120px 14px 18px;
    font-size: 1.35rem;
  }

  .converter-input-suffix {
    right: 16px;
    font-size: 0.88rem;
  }

  .converter-output-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  /* 9. Download Hub Desktop: 3 Columns */
  .download-hub-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
  }

  .platform-card {
    padding: 36px 28px;
  }

  .download-guide-box {
    grid-template-columns: 220px 1fr;
    padding: 40px 48px;
    gap: 48px;
    text-align: left;
  }

  .guide-qr-column {
    border-right: 1px solid #E2E8F0;
    border-bottom: none;
    padding-right: 36px;
    padding-bottom: 0;
  }

  .guide-steps-column h4 {
    text-align: left;
  }

  /* 10. Contact Desktop: 2 Columns */
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .contact-form {
    padding: 36px 32px;
  }

  /* 11. Footer Desktop: 4 Columns */
  .footer {
    padding: 60px 0 30px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-bottom-bar {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding-top: 24px;
  }

  /* FAQ Desktop */
  .faq-accordion-container {
    gap: 16px;
  }

  .faq-question {
    padding: 20px 24px;
    font-size: 1.08rem;
  }

  .faq-answer {
    padding: 0 24px 22px;
    font-size: 0.96rem;
  }

  .internal-search-index-container {
    padding: 32px 28px;
  }
}

/* ==========================================================================
   D. ULTRA-COMPACT MOBILE SAFEGUARD (max-width: 360px)
   Micro adjustments for narrow devices (iPhone SE1, Galaxy Fold outer screen, KaiOS)
   ========================================================================== */
@media (max-width: 360px) {
  .container {
    padding: 0 10px;
  }

  .hero-title {
    font-size: 1.68rem;
  }

  .hero-subtitle {
    font-size: 0.88rem;
  }

  .phone-mockup.center-phone {
    width: 118px;
  }

  .phone-mockup.side-left {
    width: 90px;
    margin-right: -32px;
  }

  .phone-mockup.side-right {
    width: 90px;
    margin-left: -32px;
  }

  .mobile-badge-pill {
    padding: 4px 8px;
    font-size: 0.68rem;
  }

  .step-phone-card {
    width: 135px;
  }

  .banner-phone {
    width: 92px;
  }

  .converter-input {
    padding: 10px 72px 10px 10px;
    font-size: 1.05rem;
  }

  .converter-input-suffix {
    right: 8px;
    font-size: 0.74rem;
  }

  .search-tag-pill {
    padding: 4px 9px;
    font-size: 0.7rem;
  }
}

/* ==========================================================================
   E. LIVE IN-BROWSER APK DOWNLOADER & INSTALLER STYLES
   ========================================================================== */
.apk-downloader-modal .apk-modal-card {
  max-width: 500px;
  width: 92%;
  background: #FFFFFF;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(226, 232, 240, 0.9);
  overflow: hidden;
  padding: 0;
  box-sizing: border-box;
}

.apk-downloader-modal .policy-modal-header {
  padding: 18px 22px;
  background: #F8FAFC;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.apk-downloader-modal .apk-modal-body {
  padding: 22px;
}

.apk-download-state {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.apk-state-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.download-pulse-ring {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  position: relative;
  flex-shrink: 0;
  animation: pulseRing 1.8s infinite ease-in-out;
}

@keyframes pulseRing {
  0% { transform: scale(0.96); box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
  70% { transform: scale(1.04); box-shadow: 0 0 0 12px rgba(79, 70, 229, 0); }
  100% { transform: scale(0.96); box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

.download-success-badge {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: #DCFCE7;
  border: 3px solid #86EFAC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto;
  animation: bounceIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

/* Live Progress Box */
.live-progress-container {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 16px;
}

.progress-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.progress-status-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-heading);
}

.progress-percent-badge {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--primary);
  background: rgba(79, 70, 229, 0.1);
  padding: 3px 10px;
  border-radius: 12px;
}

.custom-progress-track {
  width: 100%;
  height: 14px;
  background: #E2E8F0;
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  margin-bottom: 14px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
}

.custom-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #4F46E5 0%, #7C3AED 50%, #06B6D4 100%);
  border-radius: 999px;
  transition: width 0.2s ease-out;
  position: relative;
  overflow: hidden;
}

.progress-shimmer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
  animation: shimmerAnim 1.5s infinite;
}

@keyframes shimmerAnim {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  text-align: center;
  padding-top: 8px;
  border-top: 1px dashed #CBD5E1;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 0.72rem;
  color: #64748B;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.metric-item strong {
  font-size: 0.82rem;
  color: var(--text-heading);
  font-weight: 800;
}

/* Action Buttons */
.installer-action-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.btn-install-large {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: 14px;
  background: linear-gradient(135deg, #059669 0%, #10B981 100%) !important;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-install-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(16, 185, 129, 0.45) !important;
}

.permission-tip-card {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 6px;
}

@media (max-width: 480px) {
  .progress-metrics-grid {
    grid-template-columns: 1fr;
    gap: 6px;
    text-align: left;
  }
  .metric-item {
    flex-direction: row;
    justify-content: space-between;
  }
}