/* Fire & Steel Architecture Studio - Custom CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #D63031;
  --primary-dark: #B71C1C;
  --primary-light: #FF6B6B;
  --secondary-color: #2D3436;
  --secondary-light: #636E72;
  --secondary-lighter: #DDD;
  --accent-steel: #74B9FF;
  --accent-fire: #FDCB6E;
  --white: #FFFFFF;
  --black: #000000;
  --gray-light: #F8F9FA;
  --gray-medium: #6C757D;
  --shadow: 0 4px 20px rgba(214, 48, 49, 0.1);
  --shadow-hover: 0 8px 30px rgba(214, 48, 49, 0.2);
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', serif;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary-color);
  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, 2rem);
}

p {
  margin-bottom: 1rem;
  color: var(--secondary-light);
}

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

/* Bootstrap Overrides */
.btn {
  border-radius: var(--border-radius);
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--white);
  border-color: transparent;
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--secondary-light);
  color: var(--white);
  border-color: transparent;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.navbar-nav .nav-link {
  color: var(--secondary-color);
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color);
  background: rgba(214, 48, 49, 0.1);
}

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

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

.navbar-toggler {
  border: none;
  padding: 0;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(214, 48, 49, 0.9), rgba(45, 52, 54, 0.8)),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="steel" patternUnits="userSpaceOnUse" width="50" height="50"><rect width="50" height="50" fill="%23f8f9fa"/><circle cx="25" cy="25" r="2" fill="%23dee2e6"/></pattern></defs><rect width="100%" height="100%" fill="url(%23steel)"/></svg>');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(116, 185, 255, 0.1) 50%, transparent 70%);
  animation: steel-shine 8s infinite;
}

@keyframes steel-shine {
  0%, 100% { transform: translateX(-100%) skewX(-15deg); }
  50% { transform: translateX(100vw) skewX(-15deg); }
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .btn {
  margin: 0.5rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  background: var(--white);
}

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

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--secondary-color);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

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

/* Project Cards */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  height: 400px;
  background: var(--gray-light);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(214, 48, 49, 0.9), rgba(45, 52, 54, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

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

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

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

.project-info h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.project-info p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
}

/* Team Cards */
.team-card {
  text-align: center;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.team-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  object-fit: cover;
  border: 4px solid var(--primary-color);
  transition: var(--transition);
}

.team-card:hover .team-avatar {
  transform: scale(1.1);
  border-color: var(--accent-steel);
}

/* Forms */
.form-control {
  border: 2px solid var(--secondary-lighter);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(214, 48, 49, 0.25);
}

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

.form-error {
  color: var(--primary-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.is-invalid {
  border-color: var(--primary-color);
}

.form-control.is-invalid ~ .form-error {
  display: block;
}

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

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-fire));
  transform: translateX(-50%);
  border-radius: 2px;
}

/* Special Elements */
.fire-accent {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-fire));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.steel-accent {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-steel));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* Stats Section */
.stats-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, var(--white), var(--gray-light));
  border: 1px solid rgba(214, 48, 49, 0.1);
  transition: var(--transition);
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.stats-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
  line-height: 1;
}

.stats-label {
  font-size: 1.1rem;
  color: var(--secondary-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-dark));
  color: var(--white);
  padding: 3rem 0 1rem;
}

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

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

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

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

/* Mobile Optimizations */
@media (max-width: 768px) {
  .navbar-nav {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    box-shadow: var(--shadow);
  }
  
  .hero {
    min-height: 80vh;
    text-align: center;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    width: 100%;
    margin: 0.25rem 0;
  }
  
  .project-card {
    height: 300px;
    margin-bottom: 1rem;
  }
  
  .stats-number {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
    padding: 2rem 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

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

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

.shadow-custom {
  box-shadow: var(--shadow);
}

.shadow-hover-custom {
  box-shadow: var(--shadow-hover);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 1000;
  box-shadow: var(--shadow);
}

.scroll-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}