/* Midnight Ember Architecture Studio Theme */
/* Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1A252F;
  --primary-light: #34495E;
  --secondary-light: #EC7063;
  --accent-color: #F39C12;
  --text-dark: #2C3E50;
  --text-light: #BDC3C7;
  --text-white: #FFFFFF;
  --bg-light: #F8F9FA;
  --bg-dark: #212529;
  --shadow: 0 4px 6px rgba(44, 62, 80, 0.1);
  --shadow-lg: 0 10px 25px rgba(44, 62, 80, 0.15);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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

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

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

p {
  margin-bottom: 1rem;
  font-weight: 400;
}

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

/* Bootstrap Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.75rem 2rem;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: #C0392B;
  border-color: #C0392B;
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

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

/* Navigation */
.navbar {
  background-color: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  text-decoration: none;
}

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

.navbar-nav .nav-link {
  color: var(--text-white);
  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:focus,
.navbar-nav .nav-link.active {
  color: var(--secondary-color);
  background-color: rgba(231, 76, 60, 0.1);
}

.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-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
  color: var(--text-white);
}

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

.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%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

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

.hero h1 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
  animation: slideInUp 1s ease-out;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: slideInUp 1s ease-out 0.4s both;
}

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

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

.card-body {
  padding: 1.5rem;
}

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

.card-text {
  color: var(--text-light);
}

/* Forms */
.form-control {
  border: 2px solid #E9ECEF;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.25);
}

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

.form-floating .form-control {
  height: calc(3.5rem + 2px);
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
  color: var(--primary-color);
}

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

.invalid-feedback {
  color: var(--secondary-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

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

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

/* 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-item:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.9), rgba(231, 76, 60, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

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

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
}

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

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

.footer a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

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

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

/* Animations */
@keyframes slideInUp {
  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 0.8s ease-out;
}

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

/* Loading Animation */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}

.loader.hide {
  opacity: 0;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  color: var(--text-white);
}

.spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  color: var(--text-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

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

.back-to-top:hover {
  background-color: #C0392B;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    min-height: 70vh;
    text-align: center;
  }
  
  .card {
    margin-bottom: 1.5rem;
  }
  
  .portfolio-item {
    margin-bottom: 1.5rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 576px) {
  .btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .navbar {
    padding: 0.5rem 0;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .card-img-top {
    height: 200px;
  }
  
  .portfolio-item img {
    height: 250px;
  }
}

/* Custom Utilities */
.text-primary-custom {
  color: var(--primary-color);
}

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

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

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

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

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