/* QR Go Landing Page Styles */
:root {
  /* Colors from app_colors.dart */
  --primary: #2A73D5;
  --primary-500: #2F80ED;
  --primary-200: #BFD5F2;
  --primary-dark: #1E5BB0;
  --primary-light: #5B95E5;
  --primary-soft-bg: #E6F0FB;
  --primary-border: #ADCBF2;

  /* Background System */
  --main-background: #FAFAFA;
  --surface: #FFFFFF;
  --secondary-bg: #F3F4F6;
  --hover-soft-bg: #F0FDFA;
  --border: #E5E7EB;

  /* Text Colors */
  --heading-title: #111827;
  --placeholder: #9CA3AF;
  --disabled-text: #D1D5DB;

  /* Status Colors */
  --success: #22C55E;
  --success-dark: #16A34A;
  --success-light: #DCFCE7;
  --info: #3B82F6;
  --danger: #EF4444;

  /* Legacy support */
  --secondary: #374151;
  --tertiary: #6B7280;

  /* Enhanced shadows for dynamic look */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Gradient definitions */
  --gradient-primary: linear-gradient(135deg, var(--primary-500), var(--primary-light));
  --gradient-soft: linear-gradient(135deg, var(--primary-soft-bg), var(--primary-200));
  --gradient-hero: linear-gradient(135deg, var(--primary-soft-bg) 0%, #E0E7FF 50%, var(--hover-soft-bg) 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--heading-title);
  background-color: var(--main-background);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.875rem;
}

p {
  margin-bottom: 1rem;
  color: var(--placeholder);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-500);
  text-decoration: none;
  transition: all 0.3s ease;
}

.logo img {
  opacity: 1 !important;
  display: block;
}

.logo:hover {
  transform: scale(1.05);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--placeholder);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-500);
  transform: translateY(-2px);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--primary-500);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--secondary-bg);
  color: var(--heading-title);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.btn-secondary:hover {
  background: var(--surface);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-border);
}

.btn-gradient {
  background: var(--gradient-primary);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-500));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-gradient:hover::before {
  opacity: 1;
}

.btn-gradient:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(47, 128, 237, 0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.hero-image {
  max-width: 400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: heroFloat 3s ease-in-out infinite;
}

@keyframes heroFloat {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

.hero-image img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(47, 128, 237, 0.2));
  opacity: 1 !important;
  transition: none !important;
}

/* Features Section */
.features {
  padding: 4rem 0;
  background: var(--surface);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.features h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--heading-title);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-border);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  background: var(--gradient-primary);
  border-radius: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--heading-title);
}

.feature-card p {
  color: var(--placeholder);
}

/* QR Types Section */
.qr-types {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-soft-bg) 100%);
  position: relative;
  overflow: hidden;
}

.qr-types::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(47, 128, 237, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
}

.qr-types h2 {
  text-align: center;
  margin-bottom: 4rem;
  color: var(--heading-title);
  position: relative;
  z-index: 1;
}

.qr-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.qr-type-card {
  background: var(--surface);
  padding: 2rem 1.5rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.qr-type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.qr-type-card:hover::before {
  transform: scaleX(1);
}

.qr-type-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-border);
}

.qr-type-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
}

.qr-type-card:hover .qr-type-icon {
  transform: scale(1.2) rotate(10deg);
}

.qr-type-card h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--heading-title);
  font-weight: 600;
}

.qr-type-card p {
  font-size: 0.875rem;
  color: var(--placeholder);
  margin: 0;
}

/* Screenshots Section */
.screenshots {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--surface) 50%, var(--primary-soft-bg) 100%);
  position: relative;
  overflow: hidden;
}

.screenshots::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23E6F0FB" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.screenshots h2 {
  text-align: center;
  margin-bottom: 4rem;
  color: var(--heading-title);
  position: relative;
  z-index: 1;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.screenshot-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: relative;
  transition: all 0.5s ease;
  border: 1px solid var(--primary-border);
  overflow: hidden;
}

.screenshot-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.screenshot-card:hover::before {
  opacity: 0.1;
}

.screenshot-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-500);
}

.phone-mockup {
  position: relative;
  width: 200px;
  height: 400px;
  margin: 0 auto 2rem;
  background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
  border-radius: 30px;
  padding: 20px 15px;
  box-shadow:
    0 0 0 3px #333,
    0 0 0 6px #666,
    0 20px 40px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
}

.screenshot-card:hover .phone-mockup {
  transform: rotateY(5deg) rotateX(5deg);
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: #666;
  border-radius: 3px;
}

.phone-mockup::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: #666;
  border-radius: 2px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--surface);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-screen img {
  width: 80%;
  height: auto;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.screenshot-card:hover .phone-screen img {
  transform: scale(1.05);
}

.screenshot-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading-title);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.screenshot-card p {
  color: var(--placeholder);
  position: relative;
  z-index: 1;
  margin: 0;
}

/* Mockup Image (for images that already include phone frame) */
.mockup-image {
  position: relative;
  width: 200px;
  height: 400px;
  margin: 0 auto 2rem;
  transition: all 0.4s ease;
}

.mockup-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 20px;
  transition: all 0.3s ease;
  filter: drop-shadow(0 20px 40px rgba(47, 128, 237, 0.2));
}

.screenshot-card:hover .mockup-image {
  transform: translateY(-10px) scale(1.05);
}

.screenshot-card:hover .mockup-image img {
  filter: drop-shadow(0 25px 50px rgba(47, 128, 237, 0.3));
}

/* Pricing Section */
.pricing {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-soft-bg) 0%, var(--surface) 50%, var(--secondary-bg) 100%);
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(47, 128, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
}

.pricing h2 {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--heading-title);
  position: relative;
  z-index: 1;
}

.pricing-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--placeholder);
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.pricing-container {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.pricing-card {
  background: var(--surface);
  padding: 3rem 2.5rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-2xl);
  text-align: center;
  position: relative;
  transition: all 0.5s ease;
  border: 2px solid var(--primary-border);
  max-width: 400px;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-soft);
  opacity: 0.1;
}

.pricing-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-500);
}

.pricing-card.featured {
  border: 2px solid var(--primary-500);
  background: var(--surface);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: translateX(-50%) scale(1);
  }

  50% {
    transform: translateX(-50%) scale(1.05);
  }
}

.pricing-card h3 {
  margin-bottom: 1rem;
  color: var(--heading-title);
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.pricing-period {
  color: var(--placeholder);
  margin-bottom: 1rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.pricing-savings {
  background: var(--success-light);
  color: var(--success-dark);
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-weight: 600;
  margin-bottom: 2rem;
  display: inline-block;
  position: relative;
  z-index: 1;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
  position: relative;
  z-index: 1;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--heading-title);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-guarantee {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--hover-soft-bg);
  border-radius: 1rem;
  color: var(--success-dark);
  font-weight: 600;
  font-size: 0.875rem;
  position: relative;
  z-index: 1;
}

/* Download Section */
.download {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--surface) 0%, var(--primary-soft-bg) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(47, 128, 237, 0.1) 0%, transparent 60%);
}

.download h2 {
  margin-bottom: 1rem;
  color: var(--heading-title);
  position: relative;
  z-index: 1;
}

.download p {
  margin-bottom: 3rem;
  font-size: 1.125rem;
  color: var(--placeholder);
  position: relative;
  z-index: 1;
}

.download-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2.5rem;
  background: linear-gradient(145deg, var(--heading-title), var(--secondary));
  color: white;
  text-decoration: none;
  border-radius: 1.5rem;
  transition: all 0.4s ease;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.download-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.download-btn:hover::before {
  left: 100%;
}

.download-btn:hover {
  background: linear-gradient(145deg, var(--secondary), var(--heading-title));
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-2xl);
}

.download-btn img {
  width: 2rem;
  height: 2rem;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--heading-title) 0%, var(--secondary) 100%);
  color: white;
  padding: 4rem 0 1rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(47, 128, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: white;
  font-weight: 600;
  position: relative;
}

.footer-section h3::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
}

.footer-section p,
.footer-section a {
  color: var(--disabled-text);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
  transition: all 0.3s ease;
}

.footer-section a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid var(--secondary);
  padding-top: 1rem;
  text-align: center;
  color: var(--placeholder);
  position: relative;
  z-index: 1;
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-up:nth-child(1) {
  animation-delay: 0.1s;
}

.fade-in-up:nth-child(2) {
  animation-delay: 0.2s;
}

.fade-in-up:nth-child(3) {
  animation-delay: 0.3s;
}

.fade-in-up:nth-child(4) {
  animation-delay: 0.4s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .nav-links {
    display: none;
  }

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

  .qr-types-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card.featured {
    transform: none;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .qr-types-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-links a:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}