/* Storm Charcoal Architecture Studio - Custom CSS */

:root {
  --primary-color: #263238;
  --secondary-color: #37474F;
  --accent-color: #78909C;
  --light-gray: #ECEFF1;
  --dark-gray: #1a2227;
  --text-light: #FFFFFF;
  --text-muted: #90A4AE;
  --transition-speed: 0.3s;
  --shadow-sm: 0 2px 4px rgba(38, 50, 56, 0.1);
  --shadow-md: 0 4px 8px rgba(38, 50, 56, 0.15);
  --shadow-lg: 0 8px 16px rgba(38, 50, 56, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
.display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary-color) !important;
}

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

h3, .h3, h4, .h4 {
  font-weight: 600;
  color: var(--primary-color) !important;
}

.fs-3 {
  font-size: 1.75rem !important;
  font-weight: 600;
}

/* Navbar */
.navbar {
  background: linear-gradient(180deg, rgba(26, 34, 39, 0.95) 0%, rgba(38, 50, 56, 0.9) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.navbar.scrolled {
  background: rgba(38, 50, 56, 0.98) !important;
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700 !important;
  color: var(--text-light) !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-speed) ease;
}

.navbar-brand:hover {
  color: var(--accent-color) !important;
  transform: translateX(5px);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 6px;
  transition: all var(--transition-speed) ease;
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--text-light) !important;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--accent-color);
}

.navbar-toggler {
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.2) !important;
}

.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, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

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

.hero-image {
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(30%);
  transition: all 1s ease;
}

.hero-section:hover .hero-image {
  opacity: 0.2;
  transform: scale(1.05);
}

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

.hero-section .display-2 {
  color: var(--text-light) !important;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.9) !important;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1.2s ease-out;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition-speed) ease;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1.1rem;
}

.btn-primary {
  background: var(--secondary-color) !important;
  color: var(--text-light) !important;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  border: 2px solid var(--text-light) !important;
  color: var(--text-light) !important;
  background: transparent !important;
}

.btn-outline-light:hover {
  background: var(--text-light) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-light {
  background: var(--light-gray) !important;
  color: var(--primary-color) !important;
  font-weight: 600;
}

.btn-light:hover {
  background: var(--text-light) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

.bg-white {
  background-color: #FFFFFF !important;
}

.bg-light {
  background-color: var(--light-gray) !important;
}

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

.bg-dark .display-3,
.bg-dark .display-4,
.bg-dark .display-5,
.bg-dark h3,
.bg-dark h4,
.bg-dark p {
  color: var(--text-light) !important;
}

/* Cards */
.card {
  border: none;
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
  background: #FFFFFF;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg) !important;
}

.card-body {
  padding: 2rem;
}

.shadow {
  box-shadow: var(--shadow-md) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

/* Portfolio Items */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  height: 350px;
  background: var(--secondary-color);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
  filter: grayscale(20%);
}

.portfolio-item:hover img {
  transform: scale(1.1);
  filter: grayscale(0%);
  opacity: 0.7;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(38, 50, 56, 0.95) 100%);
  opacity: 0;
  transition: all 0.4s ease;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

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

.portfolio-overlay h4 {
  color: var(--text-light) !important;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: all 0.4s ease 0.1s;
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8) !important;
  transform: translateY(20px);
  transition: all 0.4s ease 0.2s;
}

.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay p {
  transform: translateY(0);
}

/* Badges */
.badge {
  padding: 0.5rem 1rem;
  font-weight: 500;
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--accent-color) !important;
  color: var(--text-light) !important;
}

.badge:hover {
  background: var(--secondary-color) !important;
  transform: scale(1.05);
}

/* Icons */
.bi {
  vertical-align: middle;
  font-size: 1.2em;
}

.bi-check-circle-fill.text-success {
  color: #4CAF50 !important;
}

/* Stats Section */
.col-md-3.col-6 {
  padding: 2rem 1rem;
  transition: all var(--transition-speed) ease;
}

.col-md-3.col-6:hover {
  transform: translateY(-5px);
}

.col-md-3.col-6 .display-4 {
  color: var(--secondary-color) !important;
  font-weight: 800;
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid #CFD8DC;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: all var(--transition-speed) ease;
  background: #FFFFFF;
  color: var(--primary-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(55, 71, 79, 0.15) !important;
  background: #FFFFFF;
}

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

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--accent-color);
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

.form-check-label {
  margin-left: 0.5rem;
  cursor: pointer;
  color: var(--primary-color) !important;
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Accordion */
.accordion {
  border-radius: 12px;
  overflow: hidden;
}

.accordion-item {
  border: none;
  border-bottom: 1px solid #E0E0E0;
  background: transparent;
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  margin-bottom: 0;
}

.accordion-button {
  background: #FFFFFF !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1.25rem 1.5rem;
  border: none;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: var(--light-gray) !important;
  color: var(--secondary-color) !important;
}

.accordion-button::after {
  background-size: 1.25rem;
  transition: transform var(--transition-speed) ease;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}

.accordion-body {
  padding: 1.5rem;
  background: #FFFFFF;
  color: var(--text-muted) !important;
}

/* Text Colors */
.text-white {
  color: var(--text-light) !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.6) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-success {
  color: #4CAF50 !important;
}

/* Footer */
footer {
  background: linear-gradient(180deg, var(--primary-color) 0%, var(--dark-gray) 100%);
  color: rgba(255, 255, 255, 0.85) !important;
  padding: 4rem 0 2rem;
}

footer h5 {
  color: var(--text-light) !important;
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

footer .list-unstyled li {
  margin-bottom: 0.75rem;
}

footer .list-unstyled a {
  color: rgba(255, 255, 255, 0.75) !important;
  text-decoration: none !important;
  transition: all var(--transition-speed) ease;
  display: inline-block;
}

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

footer .small {
  color: rgba(255, 255, 255, 0.6) !important;
}

/* Images */
.img-fluid {
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
}

.img-fluid:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.rounded {
  border-radius: 12px !important;
}

/* Utilities */
.min-vh-40 {
  min-height: 40vh !important;
}

.vh-100 {
  height: 100vh !important;
}

.position-sticky {
  position: sticky !important;
  top: 100px;
}

.overflow-hidden {
  overflow: hidden !important;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Scroll to Top Button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--text-light) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
  z-index: 999;
  box-shadow: var(--shadow-md);
}

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

.scroll-top:hover {
  background: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  to {
    left: 100%;
  }
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(38, 50, 56, 0.98);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem !important;
    font-size: 1rem;
  }
  
  .portfolio-item {
    height: 280px;
    margin-bottom: 1rem;
  }
  
  .position-sticky {
    position: relative !important;
    top: 0;
  }
}

@media (max-width: 767.98px) {
  .display-2 {
    font-size: 2rem !important;
  }
  
  .hero-section {
    min-height: 100vh;
    padding-top: 80px;
  }
  
  .lead {
    font-size: 1rem !important;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  footer {
    text-align: center !important;
  }
  
  footer .text-md-end,
  footer .text-md-start {
    text-align: center !important;
    margin-top: 1rem;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .portfolio-item {
    height: 220px;
  }
  
  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .scroll-top,
  footer {
    display: none !important;
  }
  
  body {
    color: #000;
    background: #fff;
  }
}