/**
 * ملف CSS المتقدم لموقع شركة المظلات والسواتر الشرقية
 * تصميم احترافي متجاوب مع لمسات إبداعية
 * 
 * @author AbdulrahmanWard
 * @version 2.0
 * @updated 2025-08-20
 */

/* ========================================
   FONT IMPORTS & CSS VARIABLES
======================================== */

@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@200;300;400;500;600;700;800;900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Tajawal:wght@200;300;400;500;700;800;900&display=swap");

:root {
  /* Primary Colors - نظام ألوان متطور */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Secondary Colors */
  --secondary-50: #fefce8;
  --secondary-100: #fef9c3;
  --secondary-200: #fef08a;
  --secondary-300: #fde047;
  --secondary-400: #facc15;
  --secondary-500: #eab308;
  --secondary-600: #ca8a04;
  --secondary-700: #a16207;
  --secondary-800: #854d0e;
  --secondary-900: #713f12;

  /* Success Colors */
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-200: #bbf7d0;
  --success-300: #86efac;
  --success-400: #4ade80;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --success-700: #15803d;
  --success-800: #166534;
  --success-900: #14532d;

  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Brand Colors */
  --brand-primary: #2c5aa0;
  --brand-secondary: #f39c12;
  --brand-accent: #25d366;
  --brand-dark: #1a365d;
  --brand-light: #e6f3ff;

  /* Gradient Colors */
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-600) 0%,
    var(--primary-800) 100%
  );
  --gradient-secondary: linear-gradient(
    135deg,
    var(--secondary-400) 0%,
    var(--secondary-600) 100%
  );
  --gradient-success: linear-gradient(
    135deg,
    var(--success-400) 0%,
    var(--success-600) 100%
  );
  --gradient-hero: linear-gradient(
    135deg,
    var(--brand-primary) 0%,
    var(--brand-dark) 50%,
    var(--primary-900) 100%
  );
  --gradient-glass: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );

  /* Typography */
  --font-primary: "Cairo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-secondary: "Tajawal", "Cairo", sans-serif;
  --font-mono: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;

  /* Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 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),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* ========================================
   GLOBAL RESET & BASE STYLES
======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray-800);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Selection Styles */
::selection {
  background-color: var(--brand-primary);
  color: white;
}

::-moz-selection {
  background-color: var(--brand-primary);
  color: white;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--gray-900);
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 600;
}

h5 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
}

h6 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
  color: var(--gray-700);
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.6;
}

.text-large {
  font-size: 1.125rem;
}

.text-small {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

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

/* Display & Layout */
.d-grid {
  display: grid;
}

.gap-1 {
  gap: var(--space-xs);
}
.gap-2 {
  gap: var(--space-sm);
}
.gap-3 {
  gap: var(--space-md);
}
.gap-4 {
  gap: var(--space-lg);
}
.gap-5 {
  gap: var(--space-xl);
}

/* Aspect Ratios */
.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-video {
  aspect-ratio: 16 / 9;
}

.aspect-photo {
  aspect-ratio: 4 / 3;
}

/* Glass Effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Enhanced Shadows */
.shadow-glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.shadow-colored {
  box-shadow: 0 10px 25px rgba(44, 90, 160, 0.15);
}

/* ========================================
   TOP BAR STYLING
======================================== */

.top-bar {
  background: var(--gradient-primary);
  color: white;
  font-size: 0.875rem;
  padding: var(--space-sm) 0;
  position: relative;
  overflow: hidden;
}

.top-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.top-bar .contact-info {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.top-bar .contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: var(--transition-normal);
  font-weight: 500;
}

.top-bar .contact-item:hover {
  color: white;
  transform: translateY(-1px);
}

.top-bar .contact-item i {
  font-size: 1rem;
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  text-decoration: none;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* ========================================
   ENHANCED NAVBAR
======================================== */

.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: var(--space-md) 0;
  transition: var(--transition-normal);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--brand-primary) !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-normal);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-brand i {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--gray-700) !important;
  padding: var(--space-sm) var(--space-md) !important;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  position: relative;
  margin: 0 var(--space-xs);
}

.navbar-nav .nav-link::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--brand-primary) !important;
  background: var(--brand-light);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
  width: 80%;
}

/* Enhanced Mega Menu */
.mega-menu {
  background: white;
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-2xl);
  margin-top: var(--space-sm);
  width: 100%;
  max-width: 900px;
  left: 50%;
  transform: translateX(-50%);
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.mega-menu .dropdown-header {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--brand-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--brand-light);
  position: relative;
}

.mega-menu .dropdown-header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
}

.mega-menu .dropdown-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.mega-menu .dropdown-item i {
  width: 24px;
  text-align: center;
  color: var(--brand-primary);
}

.mega-menu .dropdown-item:hover {
  background: var(--brand-light);
  color: var(--brand-primary);
  transform: translateX(5px);
}

/* ========================================
   HERO SECTION - ADVANCED
======================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="0.5" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="0.5" fill="white" opacity="0.1"/><circle cx="50" cy="50" r="0.3" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2xl);
  font-weight: 300;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero-btn-primary {
  background: var(--gradient-secondary);
  border: none;
  color: var(--gray-900);
  font-weight: 600;
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-full);
  font-size: 1.125rem;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--gray-900);
}

.hero-btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  font-weight: 600;
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-full);
  font-size: 1.125rem;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  color: white;
}

.hero-stats {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.hero-stat-item {
  text-align: center;
  color: white;
}

.hero-stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-sm);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.9;
}

/* Floating Elements */
.hero-floating {
  position: absolute;
  pointer-events: none;
}

.hero-floating-1 {
  top: 10%;
  right: 10%;
  animation: float 6s ease-in-out infinite;
}

.hero-floating-2 {
  bottom: 20%;
  left: 5%;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ========================================
   SECTION STYLING
======================================== */

section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.7;
}

/* Enhanced Background Patterns */
.bg-pattern {
  position: relative;
}

.bg-pattern::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="currentColor" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  pointer-events: none;
  color: var(--brand-primary);
}

/* ========================================
   ENHANCED CARD COMPONENTS
======================================== */

.card-enhanced {
  background: white;
  border-radius: var(--radius-xl);
  border: none;
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  position: relative;
}

.card-enhanced::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.card-enhanced:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card-enhanced:hover::before {
  transform: scaleX(1);
}

/* Service Cards */
.service-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--brand-primary);
}

.service-card:hover::before {
  opacity: 0.03;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: white;
  font-size: 2rem;
  transition: var(--transition-bounce);
  position: relative;
  z-index: 1;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.service-description {
  color: var(--gray-600);
  line-height: 1.7;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.service-link {
  margin-top: var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
  position: relative;
  z-index: 1;
}

.service-link:hover {
  color: var(--brand-primary);
  transform: translateX(-5px);
}

/* Project Cards */
.project-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(44, 90, 160, 0.8) 0%,
    rgba(26, 54, 93, 0.9) 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-content {
  text-align: center;
  color: white;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.project-card:hover .project-overlay-content {
  transform: translateY(0);
}

.project-content {
  padding: var(--space-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.project-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--gray-600);
}

.project-description {
  color: var(--gray-600);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: var(--space-lg);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
}

.project-link:hover {
  color: var(--brand-primary);
  transform: translateX(-5px);
}

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

.btn-enhanced {
  position: relative;
  overflow: hidden;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  transition: var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
}

.btn-enhanced::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: var(--transition-slow);
}

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

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

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

.btn-secondary-enhanced {
  background: var(--gradient-secondary);
  color: var(--gray-900);
  box-shadow: var(--shadow-md);
}

.btn-secondary-enhanced:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--gray-900);
}

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

.btn-outline-enhanced:hover {
  background: var(--brand-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   ENHANCED FORMS
======================================== */

.form-enhanced {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.form-group-enhanced {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-label-enhanced {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-sm);
  display: block;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control-enhanced {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: var(--transition-normal);
  background: white;
  color: var(--gray-800);
}

.form-control-enhanced:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
  transform: translateY(-1px);
}

.form-control-enhanced::placeholder {
  color: var(--gray-400);
  font-weight: 400;
}

/* Floating Labels */
.form-floating-enhanced {
  position: relative;
}

.form-floating-enhanced .form-control-enhanced {
  padding-top: 1.625rem;
  padding-bottom: 0.625rem;
}

.form-floating-enhanced .form-label-enhanced {
  position: absolute;
  top: 0;
  left: var(--space-md);
  height: 100%;
  padding: var(--space-md) 0;
  pointer-events: none;
  border: none;
  transform-origin: 0 0;
  transition: var(--transition-normal);
  color: var(--gray-500);
  font-size: 1rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}

.form-floating-enhanced .form-control-enhanced:focus ~ .form-label-enhanced,
.form-floating-enhanced
  .form-control-enhanced:not(:placeholder-shown)
  ~ .form-label-enhanced {
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
  color: var(--brand-primary);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
======================================== */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  left: var(--space-xl);
  z-index: var(--z-fixed);
  animation: bounceIn 1s ease-out 2s both;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  background: var(--gradient-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.whatsapp-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  border-radius: var(--radius-full);
  transform: scale(0);
  transition: var(--transition-fast);
  opacity: 0.2;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  color: white;
}

.whatsapp-btn:hover::before {
  transform: scale(1);
}

/* Pulse Animation */
.whatsapp-float::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid var(--success-400);
  border-radius: var(--radius-full);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ========================================
   ENHANCED ACCORDION (FAQ)
======================================== */

.accordion-enhanced {
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.accordion-item-enhanced {
  border: none;
  border-bottom: 1px solid var(--gray-200);
  background: white;
}

.accordion-item-enhanced:last-child {
  border-bottom: none;
}

.accordion-button-enhanced {
  background: white;
  border: none;
  padding: var(--space-xl);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--gray-800);
  position: relative;
  transition: var(--transition-normal);
}

.accordion-button-enhanced:not(.collapsed) {
  background: var(--brand-light);
  color: var(--brand-primary);
}

.accordion-button-enhanced::after {
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232c5aa0'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>");
  transform: rotate(-180deg);
  transition: var(--transition-normal);
}

.accordion-button-enhanced:not(.collapsed)::after {
  transform: rotate(0deg);
}

.accordion-body-enhanced {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--gray-600);
  line-height: 1.7;
}

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

footer {
  background: var(--gray-900);
  color: var(--gray-300);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerPattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23footerPattern)"/></svg>');
  pointer-events: none;
}

.footer-content {
  position: relative;
  z-index: 1;
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-logo i {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-heading {
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  position: relative;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: -var(--space-sm);
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-secondary);
}

.footer-link {
  color: var(--gray-400);
  text-decoration: none;
  display: block;
  padding: var(--space-xs) 0;
  transition: var(--transition-normal);
  position: relative;
}

.footer-link:hover {
  color: white;
  transform: translateX(5px);
}

.footer-link::before {
  content: "";
  position: absolute;
  left: -var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-secondary);
  transition: var(--transition-normal);
}

.footer-link:hover::before {
  width: var(--space-xs);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social-link {
  width: 44px;
  height: 44px;
  background: var(--gray-800);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition-normal);
  border: 1px solid var(--gray-700);
}

.footer-social-link:hover {
  background: var(--brand-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding: var(--space-xl) 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-500);
  position: relative;
  z-index: 1;
}

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

@media (max-width: 1200px) {
  :root {
    --space-4xl: 5rem;
    --space-3xl: 3.5rem;
  }
}

@media (max-width: 992px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
    --space-2xl: 2.5rem;
  }

  .hero-section {
    min-height: 80vh;
  }

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

  .mega-menu {
    position: static !important;
    transform: none !important;
    width: 100% !important;
    max-width: none !important;
    margin-top: 0;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
  }

  .navbar-nav .nav-link {
    text-align: center;
    margin: var(--space-xs) 0;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2.5rem;
    --space-2xl: 2rem;
  }

  .hero-section {
    min-height: 70vh;
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-btn-primary,
  .hero-btn-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .top-bar .contact-info {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .whatsapp-float {
    bottom: var(--space-lg);
    left: var(--space-lg);
  }

  .whatsapp-btn {
    width: 55px;
    height: 55px;
    font-size: 1.25rem;
  }

  section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 576px) {
  :root {
    --space-4xl: 2.5rem;
    --space-3xl: 2rem;
    --space-2xl: 1.5rem;
  }

  .hero-section {
    min-height: 60vh;
    padding: var(--space-2xl) 0;
  }

  .hero-stats {
    padding: var(--space-lg);
    margin-top: var(--space-2xl);
  }

  .service-card,
  .project-card {
    margin-bottom: var(--space-lg);
  }

  .form-enhanced {
    padding: var(--space-lg);
  }

  .whatsapp-float {
    bottom: var(--space-md);
    left: var(--space-md);
  }

  .footer-content {
    padding: var(--space-2xl) 0 var(--space-lg);
    text-align: center;
  }

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

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
======================================== */

/* Focus Management */
*:focus {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.btn-enhanced:focus,
.form-control-enhanced:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.3);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --gray-200: #000;
    --gray-300: #000;
    --gray-400: #333;
    --gray-500: #666;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .whatsapp-float,
  .hero-floating,
  footer,
  .btn-enhanced {
    display: none !important;
  }

  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }

  .hero-section {
    background: white !important;
    color: black !important;
    min-height: auto !important;
    padding: var(--space-lg) 0 !important;
  }

  .section-title {
    color: black !important;
    page-break-after: avoid;
  }

  .service-card,
  .project-card {
    break-inside: avoid;
    border: 1px solid #ccc !important;
    margin-bottom: var(--space-lg) !important;
  }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
======================================== */

/* GPU Acceleration for Animations */
.service-card,
.project-card,
.btn-enhanced,
.whatsapp-btn {
  will-change: transform;
}

/* Optimized Image Loading */
img {
  max-width: 100%;
  height: auto;
  loading: lazy;
}

/* Critical Resource Hints */
.hero-section,
.navbar {
  contain: layout style;
}

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

/* Spacing Utilities */
.mt-auto {
  margin-top: auto !important;
}
.mb-auto {
  margin-bottom: auto !important;
}
.ml-auto {
  margin-left: auto !important;
}
.mr-auto {
  margin-right: auto !important;
}

/* Text Utilities */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Border Utilities */
.border-gradient {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
    var(--gradient-primary) border-box;
}

/* Background Utilities */
.bg-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-secondary {
  background: var(--gradient-secondary);
}

/* Animation Utilities */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.animate-bounce-in {
  animation: bounceIn 0.8s ease-out;
}

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

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

/* Interactive States */
.interactive {
  cursor: pointer;
  transition: var(--transition-normal);
}

.interactive:hover {
  transform: translateY(-2px);
}

.interactive:active {
  transform: translateY(0);
}

/* Loading States */
.loading-skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
  /* Dark mode variables will be added here when needed */
}