/* Architecture Studio - Storm Charcoal & Crimson Theme */

/* CSS Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-light: #34495E;
  --primary-dark: #1A252F;
  --secondary-light: #EC7063;
  --secondary-dark: #C0392B;
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #6C757D;
  --dark-gray: #343A40;
  --text-light: #FFFFFF;
  --text-dark: #2C3E50;
  --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-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--primary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

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

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

h3 {
  font-size: 2rem;
  font-weight: 600;
}

p {
  font-size: 1.1rem;
  color: var(--medium-gray);
  margin-bottom: 1.5rem;
}

/* Bootstrap 5 Overrides */
.btn {
  border-radius: 0;
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

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

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

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

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

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

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

/* Navigation */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
  transition: var(--transition-fast);
  padding: 1rem 0;
}

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

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.navbar-nav .nav-link {
  color: var(--primary-color);
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  position: relative;
  transition: var(--transition-fast);
}

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

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

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

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

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

.navbar-toggler-icon {
  background-image: none;
  width: 25px;
  height: 2px;
  background-color: var(--primary-color);
  position: relative;
  transition: var(--transition-fast);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition-fast);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  bottom: -8px;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
  background-color: transparent;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  min-height: 100vh;
  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="25" cy="25" r="0.5" fill="%23FFFFFF" opacity="0.1"/><circle cx="75" cy="75" r="0.3" fill="%23FFFFFF" opacity="0.1"/><circle cx="50" cy="10" 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: 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
  margin-right: 1rem;
  margin-bottom: 1rem;
}

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

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

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

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

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

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

.section-title::after {
  content: '';
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
  display: block;
  margin: 1.5rem auto;
}

/* Cards */
.card {
  border: none;
  border-radius: 0;
  box-shadow: 0 5px 25px var(--shadow-light);
  transition: var(--transition-medium);
  overflow: hidden;
}

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

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

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

.card-body {
  padding: 2rem;
}

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

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

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

.portfolio-item img {
  width: 100%;
  transition: var(--transition-medium);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 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-medium);
}

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

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

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

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

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

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

/* Forms */
.form-control {
  border: 2px solid rgba(44, 62, 80, 0.1);
  border-radius: 0;
  padding: 12px 15px;
  font-size: 1rem;
  transition: var(--transition-fast);
}

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

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

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

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

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

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

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

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

.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;
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-on-scroll.animate {
  opacity: 1;
}

.fade-in-up {
  transform: translateY(30px);
}

.fade-in-up.animate {
  transform: translateY(0);
}

.fade-in-left {
  transform: translateX(-30px);
}

.fade-in-left.animate {
  transform: translateX(0);
}

.fade-in-right {
  transform: translateX(30px);
}

.fade-in-right.animate {
  transform: translateX(0);
}

/* Loading Spinner */
.loading-spinner {
  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 0.8s ease-in-out infinite;
}

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

/* Mobile Styles */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    text-align: center;
  }
  
  .btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .portfolio-item {
    margin-bottom: 1rem;
  }
  
  .navbar-collapse {
    background-color: rgba(255, 255, 255, 0.98);
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 5px 25px var(--shadow-light);
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
}

/* Utility Classes */
.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);
}

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

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

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

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