/* ==========================================================================
   DROIDGRABBER OFFICIAL LANDING PAGE - PRODUCTION STYLESHEET
   100% Mobile-First • Ultra-Clean White & Royal Blue • Google Play Inspired
   ========================================================================== */

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

:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-dark: #1E3A8A;
  --primary-light: #EFF6FF;
  --primary-border: #BFDBFE;

  --accent-green: #10B981;
  --accent-green-light: #ECFDF5;
  --accent-amber: #F59E0B;

  --bg-page: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-card: #FFFFFF;

  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6B7280;
  --text-white: #FFFFFF;

  --border-light: #E5E7EB;
  --border-subtle: #F3F4F6;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.09);
  --shadow-blue: 0 4px 14px rgba(37, 99, 235, 0.28);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --max-width: 1100px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Core Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-page);
  line-height: 1.5;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  padding-bottom: 72px; /* For mobile sticky bar */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

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

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ==========================================================================
   Main Header & Navigation (Ultra-Clean & Sleek)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  height: 58px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-meta {
  display: flex;
  align-items: center;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.brand-version-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-header-download {
  display: none !important;
}

@media (min-width: 768px) {
  .btn-header-download {
    display: inline-flex !important;
    align-items: center;
    gap: 0.4rem;
    background: var(--primary);
    color: var(--text-white);
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    transition: var(--transition);
  }

  .btn-header-download:hover {
    background: var(--primary-hover);
    color: var(--text-white);
  }
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav-drawer {
  display: none !important;
  position: absolute;
  top: 58px;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  padding: 1.25rem;
  z-index: 1000;
}

.mobile-nav-drawer.active {
  display: block !important;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-list a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Google Play Store Style Hero Section (Native Seamless Edge-to-Edge)
   ========================================================================== */
.playstore-hero-section {
  padding: 1.25rem 0 1.5rem;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

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

.playstore-header-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.app-icon-wrapper {
  flex-shrink: 0;
}

.app-icon-large {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@media (min-width: 480px) {
  .app-icon-large {
    width: 84px;
    height: 84px;
    border-radius: 18px;
  }
}

.app-info-block {
  flex-grow: 1;
  min-width: 0;
}

.app-main-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.app-developer-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  margin: 2px 0 6px;
}

.app-tags-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-category-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  padding: 2px 8px;
  border-radius: 6px;
}

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

/* Play Store Metric Strip */
.playstore-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  padding: 0.75rem 0;
  margin: 0.75rem 0 1rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.stat-col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stat-col:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-value {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 2px;
}

.stat-star {
  color: var(--accent-amber);
  fill: var(--accent-amber);
}

.stat-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

/* Big Play Store Style Install Button */
.playstore-primary-action-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.btn-playstore-install {
  width: 100%;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--primary);
  color: #FFFFFF !important;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 700;
  box-shadow: var(--shadow-blue);
  transition: var(--transition);
  text-decoration: none;
}

.btn-playstore-install:hover {
  background: var(--primary-hover);
}

.btn-playstore-install:active {
  transform: scale(0.98);
}

.install-download-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-install-main {
  font-size: 0.9375rem;
  font-weight: 700;
}

.playstore-subactions-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-subaction-tutorial {
  flex-grow: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-subaction-tutorial:hover {
  background: #DBEAFE;
}

.btn-subaction-qr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-subaction-qr:hover {
  background: #FFFFFF;
}

.hero-app-summary {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0.5rem 0 0;
}

/* ==========================================================================
   Supported Platforms Row (Uber, Ola, Rapido, Porter, Namma Yatri)
   ========================================================================== */
.platforms-section {
  padding: 1.25rem 0;
  background: #FAFAFA;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.platforms-title-tag {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.platforms-grid {
  display: flex;
  overflow-x: auto;
  gap: 0.65rem;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.platforms-grid::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .platforms-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    overflow-x: visible;
  }
}

.platform-pill-card {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  box-shadow: var(--shadow-sm);
}

.platform-logo-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.platform-text-wrap {
  display: flex;
  flex-direction: column;
}

.platform-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.platform-status {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent-green);
  white-space: nowrap;
}

/* ==========================================================================
   Tutorial Video Section (YouTube Snippet & Step-by-Step Guide)
   ========================================================================== */
.tutorial-section {
  padding: 3rem 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2rem;
}

.section-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.video-wrapper-card {
  max-width: 380px;
  margin: 0 auto 2.5rem;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.12);
}

.video-frame-container {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #0F172A;
  overflow: hidden;
}

.video-embed-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-custom-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  cursor: pointer;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-custom-overlay.hidden {
  display: none;
}

.overlay-play-btn {
  width: 64px;
  height: 64px;
  background: #FFFFFF;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  color: var(--primary);
  transition: var(--transition);
}

.overlay-play-btn:hover {
  transform: scale(1.08);
  background: var(--primary);
  color: #FFFFFF;
}

.overlay-play-btn svg {
  width: 28px;
  height: 28px;
  margin-left: 3px;
}

.video-info-footer {
  padding: 1rem 1.25rem;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 640px) {
  .video-info-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.video-status-text {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.video-chapters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.timestamp-chip {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.timestamp-chip:hover {
  background: var(--primary);
  color: #FFFFFF;
}

/* 4 Step Cards */
.steps-grid {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
}

.step-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.step-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  flex-grow: 1;
}

.step-tip {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-green);
  background: var(--accent-green-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: flex-start;
}

/* ==========================================================================
   App Screenshots Showcase
   ========================================================================== */
.screenshots-section {
  padding: 3rem 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.screenshots-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.screenshot-showcase-card {
  max-width: 820px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .screenshot-showcase-card {
    flex-direction: row;
    padding: 2.5rem;
  }
}

.phone-mockup-frame {
  width: 240px;
  flex-shrink: 0;
  background: #FFFFFF;
  border: 6px solid #111827;
  border-radius: 32px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.phone-mockup-frame img {
  width: 100%;
  height: auto;
}

.screenshot-desc-content {
  flex-grow: 1;
}

.screenshot-screen-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.screenshot-screen-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.screen-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.screen-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.screen-feature-list svg {
  width: 16px;
  height: 16px;
  color: var(--accent-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Features Grid
   ========================================================================== */
.features-section {
  padding: 3rem 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border: 1px solid var(--primary-border);
}

.feature-icon-box svg {
  width: 22px;
  height: 22px;
}

.feature-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.feature-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Driver Testimonials
   ========================================================================== */
.testimonials-section {
  padding: 3rem 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-stars {
  color: var(--accent-amber);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.testimonial-quote {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
  font-style: italic;
}

.driver-profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.driver-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary-border);
}

.driver-name {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--text-primary);
}

.driver-city {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 3rem 0;
  background: #FFFFFF;
}

.faq-container {
  max-width: 720px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
}

.faq-icon-arrow {
  width: 18px;
  height: 18px;
  color: var(--primary);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer-panel {
  display: none;
  padding: 0 1.25rem 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.faq-item.active .faq-answer-panel {
  display: block;
}

/* ==========================================================================
   Prefooter & Enterprise Footer
   ========================================================================== */
.prefooter-banner {
  padding: 3rem 0;
  background: linear-gradient(135deg, #1E3A8A 0%, #1D4ED8 100%);
  color: #FFFFFF;
  text-align: center;
}

.prefooter-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.prefooter-desc {
  font-size: 0.9375rem;
  color: #DBEAFE;
  margin-bottom: 1.5rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.prefooter-btn-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: center;
  max-width: 320px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .prefooter-btn-row {
    flex-direction: row;
    max-width: none;
  }
}

.btn-white-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #FFFFFF;
  color: var(--primary-dark);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.site-footer {
  background: #111827;
  color: #9CA3AF;
  font-size: 0.8125rem;
  padding: 3rem 0 1.5rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand-desc {
  line-height: 1.5;
  margin-bottom: 1rem;
}

.footer-col-head {
  font-size: 0.8125rem;
  font-weight: 800;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links-list a {
  color: #9CA3AF;
}

.footer-links-list a:hover {
  color: #FFFFFF;
}

.footer-bottom-bar {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-disclaimer {
  font-size: 0.75rem;
  line-height: 1.5;
  color: #6B7280;
  max-width: 600px;
}

/* ==========================================================================
   Sticky Mobile Action Bar (Flawless Responsive Bottom Strip)
   ========================================================================== */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-light);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
  transform: translateY(105%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sticky-bar.visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.sticky-app-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  overflow: hidden;
}

.sticky-app-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.sticky-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sticky-sub {
  font-size: 0.6875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.btn-sticky-download {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--primary);
  color: #FFFFFF;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-sticky-download:active {
  transform: scale(0.96);
}

/* ==========================================================================
   QR Code Modal Dialog & Toasts
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 380px;
  width: 100%;
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.modal-qr-img {
  width: 170px;
  height: 170px;
  margin: 1rem auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 6px;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 0.25rem;
}

.toast-notice {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(50px);
  background: #111827;
  color: #FFFFFF;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  opacity: 0;
  transition: all 0.25s ease;
  white-space: nowrap;
}

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