/* Fire & Steel Architecture Studio CSS */

:root {
  --primary-color: #FF6B35;
  --secondary-color: #2C3E50;
  --primary-dark: #E85A2B;
  --primary-light: #FF8A5C;
  --secondary-dark: #1A252F;
  --secondary-light: #34495E;
  --accent-warm: #FF8F65;
  --accent-cool: #3498DB;
  --text-dark: #2C3E50;
  --text-light: #FFFFFF;
  --text-muted: #7F8C8D;
  --bg-light: #FFFFFF;
  --bg-dark: #2C3E50;
  --bg-section: #F8F9FA;
  --shadow-light: 0 2px 10px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 5px 20px rgba(44, 62, 80, 0.15);
  --shadow-heavy: 0 10px 30px rgba(44, 62, 80, 0.2);
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8A5C 100%);
  --gradient-secondary: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  --gradient-hero: linear-gradient(135deg, rgba(44, 62, 80, 0.9) 0%, rgba(255, 107, 53, 0.8) 100%);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

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

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

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-muted);
}

/* Bootstrap Overrides */
.btn {
  border-radius: 0;
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  border: none;
  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 0.5s;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover {
  background: var(--gradient-primary);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  filter: brightness(1.1);
}

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: var(--text-light);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: var(--gradient-secondary);
  color: var(--text-light);
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(44, 62, 80, 0.95);
  padding: 0.5rem 0;
}

.navbar.scrolled .navbar-brand {
  color: var(--text-light);
}

.navbar.scrolled .navbar-nav .nav-link {
  color: var(--text-light);
}

.navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  transition: all 0.3s ease;
}

.navbar-nav .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  margin: 0 1rem;
  padding: 0.5rem 0;
  position: relative;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
}

.navbar.scrolled .navbar-nav .nav-link:hover {
  color: var(--primary-color);
}

/* Mobile Menu */
.navbar-toggler {
  border: none;
  padding: 0;
  width: 30px;
  height: 30px;
  position: relative;
}

.navbar-toggler-icon {
  background: none;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  position: relative;
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  top: 8px;
}

.navbar.scrolled .navbar-toggler-icon,
.navbar.scrolled .navbar-toggler-icon::before,
.navbar.scrolled .navbar-toggler-icon::after {
  background: var(--text-light);
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.8) 0%, rgba(255, 107, 53, 0.6) 100%), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="steel" patternUnits="userSpaceOnUse" width="60" height="60"><rect width="60" height="60" fill="%23f0f0f0"/><circle cx="30" cy="30" r="2" fill="%23ddd"/></pattern></defs><rect width="100%" height="100%" fill="url(%23steel)"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255, 107, 53, 0.1) 0%, rgba(44, 62, 80, 0.2) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease;
}

.hero-content .lead {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content .btn {
  animation: fadeInUp 1s ease 0.4s both;
}

/* Sections */
.section {
  padding: 100px 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
}

/* Cards */
.card {
  border: none;
  border-radius: 0;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  overflow: hidden;
}

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

.card-img-top {
  transition: all 0.3s ease;
  height: 250px;
  object-fit: cover;
}

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Project Cards */
.project-card {
  position: relative;
  overflow: hidden;
  height: 300px;
  border-radius: 0;
}

.project-card .card-img {
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

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

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

.project-overlay h4,
.project-overlay p {
  color: var(--text-light);
  text-align: center;
  transform: translateY(20px);
  transition: all 0.3s ease 0.1s;
}

.project-card:hover .project-overlay h4,
.project-card:hover .project-overlay p {
  transform: translateY(0);
}

/* Forms */
.form-control {
  border-radius: 0;
  border: 2px solid #E9ECEF;
  padding: 12px 15px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

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

.invalid-feedback {
  display: block;
  color: #dc3545;
}

/* Stats Section */
.stats-section {
  background: var(--gradient-secondary);
  color: var(--text-light);
}

.stat-item {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: var(--secondary-dark);
  color: var(--text-light);
  padding: 3rem 0 1rem;
}

.footer h5 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

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

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 107, 53, 0.3);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 0;
  }
  
  .navbar-nav .nav-link {
    color: var(--text-light);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .navbar-nav .nav-link:last-child {
    border-bottom: none;
  }
}

@media (max-width: 767.98px) {
  .hero {
    height: 70vh;
    background-attachment: scroll;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .project-card {
    height: 250px;
  }
}

@media (max-width: 575.98px) {
  .hero {
    height: 60vh;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .btn:last-child {
    margin-bottom: 0;
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

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

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

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

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

.border-secondary {
  border-color: var(--secondary-color) !important;
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}