/* ===== GLOBAL STYLES ===== */
:root {
  /* Colors */
  --primary-color: #1a1a2e;
  --secondary-color: #d4af37;
  --accent-blue: #00d4ff;
  --accent-pink: #ff6b9d;
  --accent-orange: #ff8c42;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #b0b0b0;
  --background-dark: #0a0a0a;
  --background-light: #1a1a1a;
  --background-card: #2a2a2a;
  --border-color: #333333;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Shadows */
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-dark);
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-blue));
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
  background: var(--secondary-color);
  color: var(--background-dark);
  transform: translateY(-2px);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-blue), var(--accent-pink));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(135deg, var(--background-light), var(--background-card));
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease-out forwards;
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-subtitle {
    font-size: var(--font-size-base);
  }
  
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
  h4 { font-size: var(--font-size-xl); }
  h5 { font-size: var(--font-size-lg); }
  h6 { font-size: var(--font-size-base); }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
  h4 { font-size: var(--font-size-lg); }
  h5 { font-size: var(--font-size-base); }
  h6 { font-size: var(--font-size-sm); }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Selection Styling */
::selection {
  background: var(--secondary-color);
  color: var(--text-primary);
}

::-moz-selection {
  background: var(--secondary-color);
  color: var(--text-primary);
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.whatsapp-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.whatsapp-btn:hover::before {
  left: 100%;
}

.whatsapp-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:active {
  transform: translateY(-1px) scale(1.02);
}

.whatsapp-tooltip {
  background: var(--background-card);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  border: 1px solid var(--border-color);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid var(--background-card);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* WhatsApp button animation */
@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
  }
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  }
}

.whatsapp-btn {
  animation: whatsapp-pulse 2s infinite;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-btn {
    width: 55px;
    height: 55px;
    font-size: 24px;
  }
  
  .whatsapp-tooltip {
    font-size: 12px;
    padding: 6px 10px;
  }
}