/* Industrial Luxury Hotel Theme - CSS */

/* ============================================
   ROOT VARIABLES & BOOTSTRAP OVERRIDES
   ============================================ */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --accent-color: #34495E;
  --light-bg: #ECF0F1;
  --dark-bg: #1A252F;
  --text-light: #BDC3C7;
  --text-dark: #2C3E50;
  --white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  --gradient-secondary: linear-gradient(135deg, #E67E22 0%, #F39C12 100%);
  --shadow-light: 0 2px 10px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 8px 30px rgba(44, 62, 80, 0.15);
  --shadow-heavy: 0 15px 50px rgba(44, 62, 80, 0.25);
  --transition-fast: all 0.3s ease;
  --transition-medium: all 0.5s ease;
  --border-radius: 8px;
  --industrial-texture: 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="20" cy="20" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="80" cy="40" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="40" cy="80" r="1" fill="%23ffffff" opacity="0.04"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

/* Bootstrap Color Overrides */
.btn-primary {
  --bs-btn-bg: var(--primary-color);
  --bs-btn-border-color: var(--primary-color);
  --bs-btn-hover-bg: var(--accent-color);
  --bs-btn-hover-border-color: var(--accent-color);
  --bs-btn-active-bg: var(--dark-bg);
  --bs-btn-active-border-color: var(--dark-bg);
}

.btn-secondary {
  --bs-btn-bg: var(--secondary-color);
  --bs-btn-border-color: var(--secondary-color);
  --bs-btn-hover-bg: #D35400;
  --bs-btn-hover-border-color: #D35400;
}

.text-primary {
  color: var(--primary-color) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.2;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.3;
}

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

p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

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

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

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

/* Header & Navigation */
.navbar-industrial {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--secondary-color);
  padding: 1rem 0;
  transition: var(--transition-fast);
}

.navbar-industrial.scrolled {
  background: var(--primary-color);
  box-shadow: var(--shadow-medium);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.navbar-brand:hover {
  color: var(--secondary-color);
}

.navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  margin: 0 0.5rem;
  position: relative;
  transition: var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--white);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: var(--secondary-color);
  transition: var(--transition-fast);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2893, 156, 89, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
  height: 100vh;
  background: var(--gradient-primary), var(--industrial-texture);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--industrial-texture);
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 300;
  margin-bottom: 2.5rem;
  color: var(--text-light);
}

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

/* Button Styles */
.btn-industrial {
  padding: 1rem 2.5rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-industrial::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: var(--transition-medium);
}

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

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

.btn-industrial-primary:hover {
  background: #D35400;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
  color: var(--white);
}

.btn-industrial-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

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

/* Sections */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-dark {
  background: var(--gradient-primary);
  color: var(--white);
}

.section-light {
  background: var(--light-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-title::after {
  content: '';
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
}

/* Cards */
.card-industrial {
  background: var(--white);
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-light);
  height: 100%;
}

.card-industrial:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.card-industrial .card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition-medium);
}

.card-industrial:hover .card-img-top {
  transform: scale(1.05);
}

.card-industrial .card-body {
  padding: 2rem;
}

.card-industrial .card-title {
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 1rem;
}

.card-industrial .card-text {
  color: #7F8C8D;
  line-height: 1.6;
}

/* Features Grid */
.feature-item {
  text-align: center;
  padding: 2rem;
  transition: var(--transition-fast);
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--white);
}

/* Forms */
.form-industrial {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.form-industrial .form-control {
  border: 2px solid #E8E8E8;
  border-radius: var(--border-radius);
  padding: 1rem;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-industrial .form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.25);
}

.form-industrial .form-label {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.form-error {
  color: #E74C3C;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.error {
  border-color: #E74C3C;
}

/* Footer */
.footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 4rem 0 2rem;
}

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer a {
  color: var(--text-light);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--accent-color);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: var(--transition-medium);
}

.animate-on-scroll.visible {
  opacity: 1;
  animation: fadeInUp 0.8s ease forwards;
}

.animate-slide-left.visible {
  animation: slideInLeft 0.8s ease forwards;
}

.animate-slide-right.visible {
  animation: slideInRight 0.8s ease forwards;
}

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading 1.5s infinite;
}

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

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

/* Mobile First - Base styles above are mobile */

@media (max-width: 575.98px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-industrial {
    width: 100%;
    max-width: 300px;
  }
  
  .form-industrial {
    padding: 1.5rem;
  }
  
  .section {
    padding: 3rem 0;
  }
}

@media (min-width: 576px) {
  .container-sm { max-width: 540px; }
}

@media (min-width: 768px) {
  .container-md { max-width: 720px; }
  
  .hero-cta {
    flex-direction: row;
  }
  
  .btn-industrial {
    width: auto;
  }
}

@media (min-width: 992px) {
  .container-lg { max-width: 960px; }
  
  .navbar-nav .nav-link {
    margin: 0 1rem;
  }
}

@media (min-width: 1200px) {
  .container-xl { max-width: 1140px; }
}

@media (min-width: 1400px) {
  .container-xxl { max-width: 1320px; }
}

/* Hover Effects for Touch Devices */
@media (hover: none) {
  .card-industrial:hover {
    transform: none;
  }
  
  .btn-industrial:hover {
    transform: none;
  }
  
  .feature-item:hover {
    transform: none;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-section::before {
    opacity: 0.05;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --light-bg: #2C3E50;
    --text-dark: #ECF0F1;
  }
}

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .hero-cta,
  .footer {
    display: none;
  }
  
  body {
    color: black;
    background: white;
  }
  
  .section {
    padding: 1rem 0;
  }
}