/* ============================================
   PENSAT CRAIOVA - Main Stylesheet
   Modern, Clean, SEO-Optimized Design
   ============================================ */

:root {
  /* Color Palette */
  --color-primary: #6E35FF;
  --color-primary-light: #A78BFA;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-light: #F5F5F5;
  --color-gray-medium: #E0E0E0;
  --color-gray-dark: #666666;
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-whatsapp: #25D366;
  --color-phone: #DC2626;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  
  /* Typography */
  --font-base: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --line-height-base: 1.6;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-weight: 400;
  line-height: var(--line-height-base);
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 4px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
}

h3 {
  font-size: clamp(22px, 3vw, 32px);
}

h4 {
  font-size: clamp(18px, 2.5vw, 24px);
}

h5 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

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

strong, b {
  font-weight: 700;
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background-color: var(--color-gray-light);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-sm);
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-black);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.site-logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.site-logo span {
  color: var(--color-primary);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.main-nav a {
  color: var(--color-black);
  font-weight: 500;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-black);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  font-size: var(--font-size-base);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(110, 53, 255, 0.3);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 48px;
  font-size: var(--font-size-lg);
}

/* Special styling for buttons on dark backgrounds */
.hero .btn-secondary,
.footer-cta .btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  font-weight: 700;
}

.hero .btn-secondary:hover,
.footer-cta .btn-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-white);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px) scale(1.05);
}

/* ============================================
   CARDS & GRID
   ============================================ */

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

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card-icon {
  font-size: 48px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   SERVICES & PACKAGES
   ============================================ */

.service-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.package-card {
  border: 2px solid var(--color-gray-medium);
  position: relative;
}

.package-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(110, 53, 255, 0.2);
}

.package-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.package-price {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-md) 0;
}

.package-features {
  list-style: none;
  margin: var(--spacing-md) 0;
  text-align: left;
}

.package-features li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.package-features li:before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  margin-right: var(--spacing-xs);
}

/* ============================================
   REVIEWS & TESTIMONIALS
   ============================================ */

.review-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
}

.review-stars {
  color: #FFD700;
  font-size: 20px;
  margin-bottom: var(--spacing-xs);
}

.review-author {
  font-weight: 500;
  color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

.review-text {
  font-style: italic;
  color: var(--color-gray-dark);
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--color-gray-light);
}

.faq-question.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.faq-icon {
  font-size: 24px;
  font-weight: 700;
  transition: var(--transition);
}

.faq-question.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 var(--spacing-md);
}

.faq-answer.active {
  max-height: 500px;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-gray-light);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  max-width: 700px;
  margin: 0 auto;
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-black);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-gray-medium);
  border-radius: var(--border-radius);
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(110, 53, 255, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.active {
  display: block;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.form-message.success {
  background-color: #D1FAE5;
  color: #065F46;
  border: 1px solid var(--color-success);
  display: block;
}

.form-message.error {
  background-color: #FEE2E2;
  color: #991B1B;
  border: 1px solid var(--color-error);
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-cta {
  background-color: var(--color-primary);
  padding: var(--spacing-lg) 0;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.footer-cta h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

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

.footer-section h3,
.footer-section h5 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
  color: var(--color-white);
  opacity: 0.9;
  text-decoration: none;
}

.footer-section a:hover {
  opacity: 1;
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* ============================================
   FIXED CTA BUTTONS
   ============================================ */

.fixed-cta-left,
.fixed-cta-right {
  position: fixed;
  bottom: 16px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 999;
  text-decoration: none;
  transition: var(--transition);
  font-size: 28px;
}

.fixed-cta-left {
  left: 16px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.fixed-cta-right {
  right: 16px;
  background-color: var(--color-phone);
  color: var(--color-white);
}

.fixed-cta-left:hover,
.fixed-cta-right:hover {
  transform: scale(1.1);
  text-decoration: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.hidden {
  display: none;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
  }
  
  .main-nav li {
    border-bottom: 1px solid var(--color-gray-light);
  }
  
  .main-nav a {
    display: block;
    padding: var(--spacing-sm);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 32px;
    --spacing-xl: 48px;
  }
  
  .fixed-cta-left,
  .fixed-cta-right {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
  
  .package-price {
    font-size: 28px;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .site-header,
  .fixed-cta-left,
  .fixed-cta-right,
  .footer-cta {
    display: none;
  }
}