/* ============================================
   BREND AND WEB - Shared Styles
   Modern Minimalist Design System
   ============================================ */

:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

a:hover {
  color: var(--primary-dark);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* CTA Buttons - Special */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
}

.cta-call {
  background-color: var(--secondary-color);
  color: white;
}

.cta-call:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-whatsapp {
  background-color: #25d366;
  color: white;
}

.cta-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-viber {
  background-color: #665cac;
  color: white;
}

.cta-viber:hover {
  background-color: #554a9a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-booking {
  background-color: var(--accent-color);
  color: white;
}

.cta-booking:hover {
  background-color: #d97706;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Header */
.header {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* Footer */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

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

.footer-section h3 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section a {
  color: #d1d5db;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

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

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Section */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.125rem;
  color: var(--text-light);
}

/* Cards */
.card {
  background-color: var(--bg-white);
  border-radius: 0.75rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-filters {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background-color: var(--bg-light);
  border: 2px solid var(--border-color);
  border-radius: 2rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 0.75rem;
  position: relative;
}

.testimonial::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.2;
  position: absolute;
  top: 0.5rem;
  left: 1rem;
}

.testimonial-text {
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-dark);
}

/* Price Calculator */
.price-calculator {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}

.calculator-result {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 0.5rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
}

/* Calendar */
.calendar {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-white);
  border-radius: 0.75rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.calendar-day:hover:not(.disabled):not(.selected) {
  background-color: var(--bg-light);
  border-color: var(--primary-color);
}

.calendar-day.disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-day.selected {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.calendar-day.today {
  border-color: var(--accent-color);
}

/* FAQ */
.faq-item {
  margin-bottom: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  background-color: var(--bg-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: var(--transition);
}

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

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none; }
.visible { display: block; }