/* ==========================================================================
   LAYOUT & UTILITIES
   ========================================================================== */

/* Container System */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* Spacing System */
.section {
  padding: var(--space-16) 0;
  position: relative;
}

@media (min-width: 1024px) {
  .section {
    padding: var(--space-24) 0;
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-50 { z-index: 50; }

/* Spacing Utilities */
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.ml-2 { margin-left: var(--space-2); }
.mr-2 { margin-right: var(--space-2); }

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Background Utilities */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--secondary-600), var(--accent-600));
}

/* Visibility */
.hidden {
  display: none;
}

@media (max-width: 767px) {
  .mobile-hidden {
    display: none;
  }
}

@media (min-width: 768px) {
  .desktop-hidden {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  will-change: transform;
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-primary {
  background-color: var(--primary-600);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary-600);
  color: white;
  box-shadow: var(--shadow);
}

.btn-secondary:hover {
  background-color: var(--secondary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-600);
  color: var(--primary-600);
}

.btn-outline:hover {
  background-color: var(--primary-50);
  color: var(--primary-700);
  transform: translateY(-2px);
}

.btn-text {
  background-color: transparent;
  color: var(--primary-600);
  padding: var(--space-2);
}

.btn-text:hover {
  background-color: var(--primary-50);
  color: var(--primary-700);
}

/* Form Controls */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

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

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    background: var(--background-secondary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 60px;
    justify-content: center;
}

.language-btn:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-500);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.language-btn.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.language-flag {
    font-size: 1rem;
    line-height: 1;
}

.language-code {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.language-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Mobile Language Switcher */
.mobile-language-item {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.mobile-language-item .language-switcher {
    justify-content: center;
    gap: 1rem;
}

.mobile-language-item .language-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
}

/* Dark theme adjustments */
.dark .language-btn {
    border-color: var(--border-dark);
    background: var(--background-secondary);
    color: var(--text-secondary);
}

.dark .language-btn:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-400);
    color: var(--text-primary);
}

.dark .language-btn.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

/* Floating Contact */
.floating-contact {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.08));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-contact:hover {
  transform: scale(1.02);
}

/* Main Contact Button */
.floating-btn {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: white;
  border: none;
  font-size: var(--text-2xl);
  cursor: pointer;
  box-shadow: var(--shadow-lg), 0 0 0 rgba(67, 97, 238, 0.3);
  transition: all var(--transition-normal), box-shadow 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  z-index: 2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Ripple Animation */
.floating-btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  z-index: -1;
}

.floating-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 60%);
  z-index: -1;
}

@keyframes ripple {
  0% {
    transform: scale(0.5);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

.floating-btn:hover {
  transform: translateY(-5px) scale(1.05);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  box-shadow: var(--shadow-xl), 0 10px 20px rgba(67, 97, 238, 0.35);
}

.floating-btn:active {
  transform: translateY(-2px) scale(0.98);
  box-shadow: var(--shadow-lg);
  transition: all 0.1s;
}

/* Contact Options */
.contact-options {
  position: absolute;
  bottom: 75px;
  right: 5px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  visibility: hidden;
}

.floating-contact:hover .contact-options,
.floating-contact:focus-within .contact-options,
.floating-contact.active .contact-options {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  visibility: visible;
}

/* Individual Option Animation */
.contact-options a {
  opacity: 0;
  transform: translateY(15px) scale(0.9);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}

.floating-contact:hover .contact-options a,
.floating-contact:focus-within .contact-options a,
.floating-contact.active .contact-options a {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.contact-options a:nth-child(1) {
  transition-delay: 0.1s;
}

.contact-options a:nth-child(2) {
  transition-delay: 0.2s;
}

/* Style for Contact Buttons */
.whatsapp-btn, .call-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md), 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.whatsapp-btn::after, .call-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.25), transparent 60%);
  z-index: 0;
}

/* Tooltip Design */
.whatsapp-btn::before, .call-btn::before {
  content: attr(aria-label);
  position: absolute;
  right: 65px;
  top: 50%;
  transform: translateY(-50%) translateX(15px);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: nowrap;
  box-shadow: var(--shadow-md), 0 5px 15px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 10;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid var(--border-color);
}

.whatsapp-btn:hover::before, 
.call-btn:hover::before {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* WhatsApp Button */
.whatsapp-btn {
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-color: rgba(255, 255, 255, 0.4);
}

.whatsapp-btn:hover {
  transform: translateY(-8px) rotate(-5deg);
  box-shadow: var(--shadow-lg), 0 8px 20px rgba(37, 211, 102, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
}

/* Call Button */
.call-btn {
  background: linear-gradient(135deg, var(--secondary-500), var(--secondary-700));
  border-color: rgba(255, 255, 255, 0.4);
}

.call-btn:hover {
  transform: translateY(-8px) rotate(5deg);
  box-shadow: var(--shadow-lg), 0 8px 20px rgba(147, 51, 234, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
}

/* Active State */
.whatsapp-btn:active, .call-btn:active {
  transform: translateY(-3px) scale(0.95);
  transition: all 0.1s;
}

/* Button Icons */
.whatsapp-btn img, .call-btn img {
  width: 26px;
  height: 26px;
  filter: brightness(0) invert(1) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  z-index: 1;
}

.whatsapp-btn:hover img, .call-btn:hover img {
  transform: scale(1.25);
}