/* Shadow & Ember Architecture Studio CSS */

/* Root Variables */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1a252f;
  --primary-light: #34495e;
  --secondary-dark: #c0392b;
  --secondary-light: #ec7063;
  --accent-color: #f39c12;
  --text-dark: #2c3e50;
  --text-light: #ecf0f1;
  --text-muted: #7f8c8d;
  --bg-light: #ffffff;
  --bg-dark: #1c2833;
  --shadow-light: rgba(44, 62, 80, 0.1);
  --shadow-medium: rgba(44, 62, 80, 0.2);
  --shadow-dark: rgba(44, 62, 80, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid transparent;
  padding: 12px 24px;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.btn-outline-secondary {
  border-color: var(--secondary-color);
  color: var(--secondary-color);
}

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

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px var(--shadow-light);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

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

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

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

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

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

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

.navbar-toggler span {
  display: block;
  background-color: var(--primary-color);
  height: 3px;
  width: 100%;
  border-radius: 1px;
  margin: 5px 0;
  transition: var(--transition);
}

.navbar-toggler.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggler.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
}

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

.hero h1 {
  font-family: var(--font-secondary);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero .lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.7s forwards;
}

.hero .btn {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.9s forwards;
  margin: 0.5rem;
}

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

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

@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);
  }
}

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

.section-title {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 5px 20px var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px var(--shadow-medium);
}

.card-img-top {
  transition: var(--transition);
}

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

.card-body {
  padding: 2rem;
}

.card-title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--text-light);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 0.9;
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-category {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-category {
  transform: translateY(0);
}

/* Forms */
.form-control {
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.1);
}

.form-label {
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

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

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

.form-control.is-valid {
  border-color: #28a745;
}

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

.footer h5 {
  font-family: var(--font-secondary);
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--text-light);
  transform: translateX(5px);
}

.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, 0.7);
}

/* Social Icons */
.social-links a {
  display: inline-block;
  width: 45px;
  height: 45px;
  line-height: 45px;
  text-align: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  margin: 0 0.5rem;
  transition: var(--transition);
}

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

/* Scroll to Top */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--text-light);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--secondary-dark);
  transform: translateY(-3px);
}

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

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

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

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

.bg-light-gray {
  background-color: #f8f9fa;
}

.shadow-custom {
  box-shadow: 0 10px 30px var(--shadow-light);
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    text-align: center;
  }
  
  .navbar-nav {
    text-align: center;
    padding: 1rem 0;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
  
  .portfolio-item img {
    height: 250px;
  }
  
  .card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 2rem 0;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .portfolio-item img {
    height: 200px;
  }
  
  .scroll-to-top {
    width: 45px;
    height: 45px;
    bottom: 15px;
    right: 15px;
  }
}