/* 
 * UAE Bank Card Recommender - Redesigned in Tacto-Inc Style
 * Based on design specifications from tacto-inc.com
 * With improved mobile responsiveness and modern button styles
 */

:root {
  /* Color Variables */
  --background-color: #f5f5f0;
  --text-color: #212121;
  --primary-color: #0000ff;
  --secondary-color: #e6f5f5;
  --tertiary-color: #f5e6f0;
  --quaternary-color: #f0e6f5;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --danger-color: #dc3545;
  --shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
  --gradient-primary: linear-gradient(135deg, #0000ff, #4d4dff);
  --gradient-secondary: linear-gradient(135deg, #f5f5f0, #e6e6e6);

  /* Typography Variables */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --h1-size: 4rem;
  --h2-size: 3rem;
  --h3-size: 2rem;
  --h4-size: 1.5rem;
  --body-size: 1rem;
  --small-size: 0.875rem;
  --line-height-heading: 1.2;
  --line-height-body: 1.6;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing Variables */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  --page-margin: 5%;
  --container-padding: 2rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-body);
  color: var(--text-color);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  margin-top: 0;
  letter-spacing: -0.02em;
  width: 100%;
  text-align: center;
}

h1 {
  font-size: var(--h1-size);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--h2-size);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--h3-size);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--h4-size);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  opacity: 0.8;
}

/* Layout and Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-margin);
}

main {
  width: 100%;
  padding-bottom: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

section {
  width: 100%;
  margin-bottom: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Header */
header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  margin-bottom: var(--spacing-xxl);
}

.logo {
  display: flex;
  align-items: center;
}

.site-logo {
  height: auto;
  max-width: 100%;
  transition: max-width 0.3s ease;
}

.logo a {
  font-size: var(--h4-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-color);
  text-decoration: none;
}

/* Navigation */
.nav-menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav-menu a {
  color: var(--text-color);
  font-weight: var(--font-weight-medium);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  width: 100%;
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding: 0 var(--spacing-md);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  width: 100%;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-color);
  opacity: 0.8;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* Input Section */
.input-section {
  width: 100%;
  background-color: var(--secondary-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

/* Tabs */
.tabs {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.tab-link {
  background: none;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--body-size);
  font-weight: var(--font-weight-medium);
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius-md);
  flex: 1;
  max-width: 200px;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.tab-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.05);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
  z-index: -1;
}

.tab-link:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.tab-link.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 10px rgba(0, 0, 255, 0.2);
}

.tab-link.active::before {
  display: none;
}

.tab-content {
  width: 100%;
  background-color: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.tab-pane {
  display: none;
  width: 100%;
}

.tab-pane.active {
  display: block;
}

/* Form Elements */
.form-group {
  width: 100%;
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-md);
  font-size: var(--body-size);
  font-family: var(--font-family);
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 0, 255, 0.1);
}

textarea {
  min-height: 200px;
  resize: vertical;
}

.checkbox-grid {
  display: flex;
  gap: var(--spacing-xl);
  width: 100%;
}

.checkbox-column {
  flex: 1;
}

.checkbox-item,
.radio-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
}

input[type="checkbox"],
input[type="radio"] {
  margin-right: var(--spacing-sm);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Form Actions */
.form-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  width: 100%;
}

/* Modern Buttons */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--body-size);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius-md);
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 255, 0.2);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #4d4dff, #0000ff);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 255, 0.25);
}

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

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 255, 0.2);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-color);
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--body-size);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius-md);
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e6e6e6, #f5f5f0);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

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

.btn-secondary:active {
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Results Section */
.results-section {
  display: none;
  width: 100%;
  background-color: var(--tertiary-color);
  padding: var(--spacing-md);
  margin-top: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
}

.top-recommendation {
  width: 100%;
  margin-bottom: var(--spacing-xl);
}

.card {
  width: 100%;
  background-color: white;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.top-card {
  border-left: 4px solid var(--success-color);
}

.card-content {
  display: flex;
  width: 100%;
}

.card-image {
  flex: 0 0 25%;
  background-color: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.bank-logo {
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  color: var(--primary-color);
}

.card-details {
  flex: 1;
  padding: var(--spacing-lg);
}

.card-title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.card-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  flex: 1;
}

.stat-label {
  display: block;
  font-size: var(--small-size);
  color: var(--text-color);
  opacity: 0.7;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-weight: var(--font-weight-semibold);
}

.card-features {
  margin-bottom: var(--spacing-md);
}

.recommendation-reason {
  background-color: rgba(0, 0, 255, 0.05);
  padding: var(--spacing-md);
  border-left: 3px solid var(--primary-color);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.recommendation-reason h5 {
  margin-bottom: var(--spacing-xs);
  font-size: 1rem;
  text-align: left;
}

/* Alternative Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  width: 100%;
}

.alternative-card {
  height: 100%;
  transition: var(--transition);
}

.alternative-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Additional Sections */
.section-title {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
}

.content-section {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-xxl);
}

.content-section p {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

/* Footer */
footer {
  width: 100%;
  background-color: #f8f9fa;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.footer-column {
  flex: 1;
  min-width: 200px;
}

.footer-column h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-color);
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--primary-color);
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  text-align: center;
  font-size: var(--small-size);
  color: var(--text-color);
  opacity: 0.7;
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Highlight animations for auto-fill */
.highlight {
  animation: pulse 1s ease-in-out;
}

.highlight-input {
  animation: inputPulse 1s ease-in-out;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 0, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 0, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 0, 255, 0);
  }
}

@keyframes inputPulse {
  0% {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0 rgba(0, 0, 255, 0.4);
  }
  70% {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 5px rgba(0, 0, 255, 0);
  }
  100% {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 0 0 rgba(0, 0, 255, 0);
  }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  :root {
    --h1-size: 2.5rem;
    --h2-size: 2rem;
    --h3-size: 1.5rem;
    --h4-size: 1.25rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --page-margin: 1rem;
  }

  .container {
    padding: 0;
    width: 100%;
  }

  .hero {
    padding: 0 var(--spacing-sm);
  }

  .input-section {
    padding: var(--spacing-sm);
    width: 100%;
  }

  .tab-content {
    padding: var(--spacing-sm);
  }

  .checkbox-grid {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .card-content {
    flex-direction: column;
  }

  .card-image {
    padding: var(--spacing-md);
  }

  .card-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
  }

  .tabs {
    width: 100%;
  }

  .tab-link {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-sm);
  }

  .results-section {
    padding: var(--spacing-sm);
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu-open .nav-menu {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    padding: var(--spacing-md);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .site-logo {
    max-width: 100px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .site-logo {
    max-width: 150px;
  }
}

@media (min-width: 1025px) {
  .site-logo {
    max-width: 200px;
  }
}

/* Small mobile devices */
@media (max-width: 480px) {
  :root {
    --h1-size: 2rem;
    --h2-size: 1.75rem;
    --h3-size: 1.5rem;
    --h4-size: 1.25rem;
    --body-size: 0.9rem;
  }

  .input-section, .tab-content, .results-section {
    padding: var(--spacing-sm);
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  textarea {
    min-height: 150px;
  }
}