/* Architectural Studio - Deep Slate & Crimson Theme */

/* CSS Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1A252F;
  --primary-light: #34495E;
  --secondary-dark: #C0392B;
  --secondary-light: #EC7063;
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #6C757D;
  --dark-gray: #343A40;
  --text-light: #ECEFF1;
  --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-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

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;
  line-height: 1.7;
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.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-secondary:focus {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

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

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

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

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

/* Card Overrides */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px var(--shadow-medium);
}

.card-header {
  background: var(--gradient-primary);
  color: var(--white);
  border-bottom: none;
  padding: 1.5rem;
}

.card-body {
  padding: 2rem;
}

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

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.15);
}

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

/* Navigation */
.navbar {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--secondary-color);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar-scrolled {
  background: var(--primary-color);
  box-shadow: 0 2px 20px var(--shadow-medium);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

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

.navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--white);
  background: rgba(231, 76, 60, 0.2);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: 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: 0.5rem;
  border-radius: var(--border-radius);
}

.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, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  position: relative;
  display: flex;
  align-items: center;
  color: var(--white);
  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="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>') repeat;
  opacity: 0.3;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideInUp 1s ease-out 0.3s forwards;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: slideInUp 1s ease-out 0.6s forwards;
}

.hero .btn {
  opacity: 0;
  animation: slideInUp 1s ease-out 0.9s forwards;
}

/* 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-light {
  background: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  border-radius: 2px;
}

/* Project Cards */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 30px var(--shadow-light);
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  transform: scale(1.02) translateY(-5px);
  box-shadow: 0 20px 50px var(--shadow-medium);
}

.project-card-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

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

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

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

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

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

.project-card-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.project-card-description {
  color: var(--medium-gray);
  font-size: 1rem;
  line-height: 1.6;
}

/* Team Cards */
.team-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  background: var(--white);
  box-shadow: 0 8px 30px var(--shadow-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: var(--gradient-secondary);
  transition: var(--transition);
}

.team-card:hover::before {
  left: 0;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px var(--shadow-medium);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--secondary-color);
  overflow: hidden;
  transition: var(--transition);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card:hover .team-avatar {
  transform: scale(1.1);
}

/* Services */
.service-item {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  background: var(--white);
  box-shadow: 0 8px 30px var(--shadow-light);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-secondary);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-item:hover::before {
  transform: scaleX(1);
}

.service-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px var(--shadow-medium);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  transition: var(--transition);
}

.service-item:hover .service-icon {
  transform: rotateY(180deg);
  background: var(--gradient-secondary);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 12px 40px var(--shadow-light);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-secondary);
}

.form-group {
  margin-bottom: 2rem;
}

.form-floating {
  position: relative;
}

.form-floating .form-control {
  padding: 1rem 1rem 1rem 1rem;
  height: auto;
}

.form-floating label {
  padding: 1rem;
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: var(--text-light);
  padding: 4rem 0 2rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-secondary);
}

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
}

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

.footer a:hover {
  color: var(--secondary-light);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
  padding-left: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  color: var(--text-light);
}

/* Animations */
@keyframes slideInUp {
  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(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px 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);
  }
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-nav {
    background: var(--primary-dark);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
  
  .hero {
    padding: 8rem 0 4rem;
    text-align: center;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .contact-form {
    padding: 2rem;
  }
}

@media (max-width: 767.98px) {
  .hero {
    min-height: 80vh;
    padding: 6rem 0 3rem;
  }
  
  .section {
    padding: 2.5rem 0;
  }
  
  .section-title {
    margin-bottom: 2.5rem;
  }
  
  .project-card-image {
    height: 250px;
  }
  
  .project-card-content,
  .contact-form {
    padding: 1.5rem;
  }
  
  .service-item {
    padding: 2rem 1.5rem;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 575.98px) {
  .footer {
    padding: 3rem 0 1.5rem;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
}

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

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

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

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

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

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

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.5);
    --shadow-dark: rgba(0, 0, 0, 0.7);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
  }
  
  html {
    scroll-behavior: auto;
  }
}