/* Midnight Ember Architecture Studio - Custom Styles */

/* CSS Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1A252F;
  --primary-light: #34495E;
  --secondary-dark: #C0392B;
  --secondary-light: #EC7063;
  --accent-color: #F39C12;
  --light-gray: #BDC3C7;
  --dark-gray: #7F8C8D;
  --text-dark: #2C3E50;
  --text-light: #ECF0F1;
  --white: #FFFFFF;
  --black: #000000;
  --shadow-light: rgba(44, 62, 80, 0.1);
  --shadow-medium: rgba(44, 62, 80, 0.2);
  --shadow-dark: rgba(44, 62, 80, 0.3);
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  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;
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

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: clamp(1rem, 2vw, 1.125rem);
  color: var(--dark-gray);
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.75rem 2rem;
  border-width: 2px;
  transition: var(--transition-fast);
  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: var(--transition-medium);
}

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

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

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

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

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

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

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

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

/* Navigation */
.navbar {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-light);
  padding: 1rem 0;
  transition: var(--transition-fast);
}

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

.navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

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

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

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

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

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

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

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

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

.navbar-toggler-icon {
  display: none;
}

.navbar-toggler span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--white);
  margin: 5px 0;
  transition: var(--transition-fast);
  transform-origin: center;
}

.navbar-toggler.collapsed span:nth-child(1) {
  transform: rotate(0);
}

.navbar-toggler.collapsed span:nth-child(2) {
  opacity: 1;
}

.navbar-toggler.collapsed span:nth-child(3) {
  transform: rotate(0);
}

.navbar-toggler span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.navbar-toggler span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--black) 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="20" cy="20" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="80" cy="40" r="0.3" fill="%23ffffff" opacity="0.1"/><circle cx="40" cy="80" r="0.4" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
  opacity: 0.3;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 1s ease forwards 0.5s;
}

.hero p {
  color: var(--light-gray);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 1s ease forwards 0.7s;
}

.hero .btn {
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 1s ease forwards 0.9s;
}

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

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--white);
}

.section-dark p {
  color: var(--light-gray);
}

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

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

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

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

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

.card-body {
  padding: 2rem;
  background: var(--white);
}

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

.card-text {
  color: var(--dark-gray);
  line-height: 1.6;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  cursor: pointer;
  margin-bottom: 2rem;
}

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

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

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

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

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

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

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

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Forms */
.form-control {
  border: 2px solid var(--light-gray);
  border-radius: 0;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-fast);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.25rem rgba(231, 76, 60, 0.1);
  background: var(--white);
}

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

.form-text {
  color: var(--dark-gray);
}

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

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

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

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

.footer h5 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

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

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

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

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  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);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-slow);
}

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

.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

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

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

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

.back-to-top:hover {
  background: var(--secondary-dark);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(231, 76, 60, 0.3);
}

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

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

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

.loaded .loading-overlay {
  opacity: 0;
  visibility: hidden;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    text-align: center;
    padding: 2rem 0;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .navbar-collapse {
    background: var(--primary-color);
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
  }
  
  .portfolio-item img {
    height: 250px;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 2rem 0;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .portfolio-item img {
    height: 200px;
  }
  
  .card-img-top {
    height: 200px;
  }
  
  .navbar {
    padding: 0.75rem 0;
  }
  
  .footer {
    padding: 2rem 0 1rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .back-to-top,
  .loading-overlay {
    display: none;
  }
  
  .section {
    padding: 1rem 0;
  }
  
  * {
    background: white;
    color: black;
  }
}