/* ============================================
   Wise Homes Dubai - Modern Design System
   ============================================ */

:root {
  /* Colors */
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-light: #fef3c7;
  --secondary: #0ea5e9;
  --success: #10b981;
  --text: #0f172a;
  --text-muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 65ch;
}

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

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

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

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: 1400px;
}

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

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
  .section-lg {
    padding: 7rem 0;
  }
}

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

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flex 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-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

/* ============================================
   Components - Header
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav a {
  font-weight: 500;
  color: var(--text);
  padding: var(--space-sm) 0;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

/* Override nav link styles for buttons */
.nav a.btn {
  color: white !important;
  padding: var(--space-sm) var(--space-lg);
}

.nav a.btn::after {
  display: none;
}

.nav a.btn:hover {
  color: white !important;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.3s ease;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--space-md);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Components - Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: white !important;
  font-weight: 700;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
  color: white !important;
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-alt);
  border-color: var(--primary);
}

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

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

/* ============================================
   Components - Cards
   ============================================ */

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

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

.card p {
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.card ul {
  list-style: none;
  padding: 0;
}

.card ul li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ============================================
   Components - Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-2xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  text-align: center;
  padding: var(--space-2xl);
  max-width: 900px;
}

.hero-content h1 {
  color: white;
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content .lead {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-xl);
  font-size: 1.25rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-xl);
}

.stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-xs);
}

/* ============================================
   Components - Badge
   ============================================ */

.badge {
  display: inline-block;
  background: var(--accent-light);
  color: #92400e;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

/* ============================================
   Components - Forms
   ============================================ */

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ============================================
   Components - Gallery/Portfolio
   ============================================ */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  background: white;
}

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

.gallery-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover .gallery-image {
  transform: scale(1.05);
}

.gallery-caption {
  padding: var(--space-lg);
}

.gallery-caption h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.gallery-caption p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* ============================================
   Components - Timeline/Process
   ============================================ */

.timeline {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.timeline-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  padding-left: 4rem;
}

.timeline-item::before {
  content: attr(data-step);
  position: absolute;
  left: var(--space-lg);
  top: var(--space-lg);
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}

.timeline-item h3 {
  margin-bottom: var(--space-sm);
}

.timeline-item p {
  color: var(--text-muted);
  margin: 0;
}

/* ============================================
   Components - Chips/Tags
   ============================================ */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  margin-top: var(--space-md);
}

.chip {
  background: white;
  border: 1px solid var(--border);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.chip:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent-hover);
}

.chip a {
  color: inherit;
}

/* ============================================
   Components - Footer
   ============================================ */

.footer {
  background: var(--primary);
  color: white;
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer h4 {
  color: white;
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

/* ============================================
   Utility Classes
   ============================================ */

.bg-alt {
  background: var(--bg-alt);
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.pt-sm { padding-top: var(--space-sm); }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }

.pb-sm { padding-bottom: var(--space-sm); }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

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

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* ============================================
   Responsive Utilities
   ============================================ */

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

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

/* ============================================
   Accessibility
   ============================================ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 9999;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}