/*
Theme Name: Polyglottika
Description: A modern WordPress theme for advanced language learning SaaS platform
Version: 1.0
Author: Polyglottika Team
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
WooCommerce: 3.0
*/

/* CSS Variables based on Tailwind Config */
:root {
  --color-base: #1E1E2E;
  --color-primary: #89B4FA;
  --color-secondary: #F5C2E7;
  --color-accent: #94E2D5;
  --color-surface: #313244;
  --color-text: #CDD6F4;
  --color-positive: #A6E3A1;
  --color-negative: #F38BA8;
  --color-neutral: #FAB387;
  --color-highlight: #CBA6F7;
  --color-lowlight: #74C7EC;
  --color-border: #45475A;
  --color-muted: #6C7086;
  --color-white: #FFFFFF;
  --color-black: #000000;
}

/* Import Multilingual Styles */
@import url('assets/css/multilingual.css');

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--color-base);
  color: var(--color-text);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

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

.site-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.main-navigation a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.cta-button {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-base);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(137, 180, 250, 0.3);
}

/* Main Content */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-base) 0%, var(--color-surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--color-muted);
}

.hero-video {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-video video {
  width: 100%;
  height: auto;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--color-base);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card:nth-child(1) .feature-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-lowlight));
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-highlight));
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-positive));
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

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

/* Pricing Section */
.pricing-section {
  padding: 4rem 0;
  background-color: var(--color-base);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background-color: var(--color-surface);
  padding: 2.5rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-base);
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-price {
  font-size: 3rem;
  font-weight: bold;
  color: var(--color-primary);
  margin: 1rem 0;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--color-text);
  position: relative;
  padding-left: 1.5rem;
}

.pricing-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-positive);
  font-weight: bold;
}

/* Blog Styles */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.blog-card {
  background-color: var(--color-surface);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-meta {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.blog-card p {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.read-more {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.read-more:hover {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background-color: var(--color-base);
  color: var(--color-text);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(137, 180, 250, 0.1);
}

.submit-button {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-base);
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(137, 180, 250, 0.3);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

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

.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

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

.footer-section a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .main-navigation ul {
    flex-direction: column;
    gap: 1rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    transform: translateY(30px); 
    opacity: 0; 
  }
  to { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

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

.slide-up {
  animation: slideUp 0.6s ease-out;
}

/* Sidebar Styles */
.sidebar {
  position: fixed;
  top: 80px; /* Below header */
  left: 0;
  width: 280px;
  height: calc(100vh - 80px);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-content {
  padding: 1.5rem;
}

.sidebar-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-header h3 {
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav li {
  margin-bottom: 0.5rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-weight: 500;
}

.sidebar-nav a:hover {
  background-color: var(--color-base);
  color: var(--color-primary);
  transform: translateX(4px);
}

.sidebar-nav a.active {
  background-color: var(--color-primary);
  color: var(--color-base);
}

.sidebar-nav .nav-icon {
  margin-right: 0.75rem;
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-section h4 {
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  padding: 0 1rem;
}

/* Custom Scrollbar for Sidebar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: var(--color-base);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
  transition: background 0.3s ease;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Firefox scrollbar */
.sidebar {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-base);
}

/* Main Content Adjustment */
.main-content.with-sidebar {
  margin-left: 280px;
}

/* Sidebar Toggle for Mobile */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 90px;
  left: 20px;
  z-index: 200;
  background: var(--color-primary);
  color: var(--color-base);
  border: none;
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive Sidebar */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .main-content.with-sidebar {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    top: 70px;
    height: calc(100vh - 70px);
  }
  
  .sidebar-content {
    padding: 1rem;
  }
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }