/* ========================================
   HHpoker - App Store Theme
   Color: blue-600 (#2563EB)
   ======================================== */

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-200: #BFDBFE;
  --primary-600: #2563EB;
  --primary-700: #1D4ED8;
  --dark: #111827;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --star: #F59E0B;
  --verified: #10B981;
  --gradient-blue: linear-gradient(135deg, #2563EB 0%, #1D4ED8 50%, #1E40AF 100%);
  --gradient-hero: linear-gradient(180deg, #EFF6FF 0%, #DBEAFE 40%, #BFDBFE 70%, #93C5FD 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--gray-900);
  background: #FFFFFF;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--primary);
}

.nav-logo i {
  font-size: 1.75rem;
  color: var(--primary);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: #FFFFFF !important;
  padding: 0.625rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.nav-cta-btn::after {
  display: none !important;
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--gray-700);
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
  }
}

/* ========================================
   Hero Section - App Store Style
   ======================================== */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: var(--gradient-hero);
  overflow: hidden;
}

/* SVG Waves */
.hero-waves {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  z-index: 1;
}

.hero-waves svg {
  display: block;
  width: 100%;
  height: auto;
}

.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-badge i {
  font-size: 0.875rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: #FFFFFF;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.45);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #FFFFFF;
  color: var(--primary);
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary-50);
  transform: translateY(-2px);
}

/* Device Mockup */
.device-mockup-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.device-mockup {
  position: relative;
  width: 320px;
  height: 640px;
  background: #111827;
  border-radius: 3rem;
  padding: 1rem;
  box-shadow: var(--shadow-2xl), 0 0 0 4px #1F2937, 0 0 0 6px #374151;
  z-index: 2;
}

.device-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: 2.25rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.device-screen .app-logo-large {
  font-size: 4rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.device-screen .app-title-display {
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
}

.device-screen .app-subtitle-display {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.device-screen .rating-stars {
  color: var(--star);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.device-screen .rating-text {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Floating badges */
.float-badge {
  position: absolute;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-800);
  z-index: 3;
  animation: floatBadge 4s ease-in-out infinite;
}

.float-badge i {
  color: var(--primary);
  font-size: 1.125rem;
}

.float-badge.left-1 {
  left: 0;
  top: 20%;
  animation-delay: 0s;
}

.float-badge.left-2 {
  left: 2%;
  top: 55%;
  animation-delay: 1.5s;
}

.float-badge.right-1 {
  right: 0;
  top: 25%;
  animation-delay: 0.8s;
}

.float-badge.right-2 {
  right: 2%;
  top: 60%;
  animation-delay: 2.2s;
}

@keyframes floatBadge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (max-width: 1024px) {
  .float-badge {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.0625rem;
  }

  .device-mockup {
    width: 240px;
    height: 480px;
    border-radius: 2.25rem;
  }

  .device-screen {
    border-radius: 1.75rem;
  }
}

/* ========================================
   Features - 2 Column List Style
   ======================================== */
.features {
  padding: 100px 0;
  background: #FFFFFF;
}

.features .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}

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

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
  cursor: default;
}

.feature-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  background: var(--primary-50);
}

.feature-check {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.feature-card:hover .feature-check {
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

.feature-info h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.375rem;
}

.feature-info p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .features {
    padding: 60px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }
}

/* ========================================
   Stats Ribbon / Banner
   ======================================== */
.stats-ribbon {
  background: var(--gradient-blue);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}

.stats-ribbon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.stats-ribbon .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  color: #FFFFFF;
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-suffix {
  font-size: 2.75rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.9375rem;
  opacity: 0.85;
  font-weight: 500;
}

/* Divider between stats on desktop */
.stat-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
  align-self: stretch;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }

  .stat-number,
  .stat-suffix {
    font-size: 2rem;
  }

  .stat-divider {
    display: none;
  }
}

/* ========================================
   Testimonials - App Review Style
   ======================================== */
.testimonials {
  padding: 100px 0;
  background: var(--gray-50);
}

.testimonials .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.review-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.review-meta {
  flex: 1;
  margin-left: 0.75rem;
}

.review-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--gray-900);
}

.review-version {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.125rem;
}

.review-stars {
  color: var(--star);
  font-size: 0.875rem;
  margin-bottom: 0.125rem;
}

.review-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--verified);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.1875rem 0.5rem;
  border-radius: 9999px;
}

.review-verified i {
  font-size: 0.625rem;
}

.review-title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
}

.review-text {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.review-date {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.75rem;
}

@media (max-width: 768px) {
  .testimonials {
    padding: 60px 0;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   FAQ
   ======================================== */
.faq {
  padding: 100px 0;
  background: #FFFFFF;
}

.faq .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.faq-item {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  text-align: left;
  gap: 1rem;
}

.faq-question span {
  flex: 1;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: #FFFFFF;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .faq {
    padding: 60px 0;
  }
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
  padding: 100px 0;
  background: var(--gradient-blue);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cta .container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.cta-content {
  flex: 1;
  color: #FFFFFF;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-content p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #FFFFFF;
  color: var(--primary);
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: #FFFFFF;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-white-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* CTA Device Mockups */
.cta-mockups {
  flex-shrink: 0;
  position: relative;
  width: 280px;
  height: 380px;
}

.cta-mockup-1,
.cta-mockup-2 {
  position: absolute;
  width: 180px;
  height: 340px;
  background: #111827;
  border-radius: 1.75rem;
  padding: 0.625rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.cta-mockup-1 {
  top: 0;
  left: 0;
  z-index: 2;
  transform: rotate(-6deg);
}

.cta-mockup-2 {
  top: 20px;
  right: 0;
  z-index: 1;
  transform: rotate(6deg);
}

.cta-mockup-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #0f3460 0%, #16213e 50%, #1a1a2e 100%);
  border-radius: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 2rem;
}

@media (max-width: 768px) {
  .cta {
    padding: 60px 0;
  }

  .cta .container {
    flex-direction: column;
    text-align: center;
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }

  .cta-buttons {
    justify-content: center;
  }

  .cta-mockups {
    display: none;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--gray-900);
  color: #FFFFFF;
  padding: 4rem 0 2rem;
}

.footer .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-brand .nav-logo i {
  color: var(--primary-light);
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--gray-400);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.8125rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary);
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

/* ========================================
   Utility Animations
   ======================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* App Store badge style */
.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #000000;
  color: #FFFFFF;
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.app-store-badge:hover {
  transform: scale(1.05);
}

.app-store-badge i {
  font-size: 1.25rem;
}

/* Pulse animation for CTA */
@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.pulse-dot {
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: inherit;
  animation: pulse-ring 2s ease-out infinite;
  z-index: -1;
}