/* Arctic Slate Architecture Studio - Custom Styles */

:root {
  --primary-color: #2C3E50;
  --secondary-color: #95A5A6;
  --dark-accent: #1a252f;
  --light-accent: #b8c5cc;
  --text-dark: #2C3E50;
  --text-light: #ffffff;
  --transition-speed: 0.3s;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Navbar Styling */
.navbar {
  background-color: var(--primary-color) !important;
  padding: 1rem 0;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 2px 10px rgba(44, 62, 80, 0.1);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: var(--dark-accent) !important;
}

.navbar-brand {
  color: var(--text-light) !important;
  font-size: 1.5rem;
  letter-spacing: 2px;
  transition: all var(--transition-speed) ease;
}

.navbar-brand:hover {
  color: var(--light-accent) !important;
  transform: translateY(-2px);
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(149, 165, 166, 0.25) !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, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-nav {
  align-items: center;
}

.nav-item {
  margin: 0 0.5rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: all var(--transition-speed) ease;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

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

.nav-link:hover {
  color: var(--text-light) !important;
}

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

.nav-link.active {
  color: var(--text-light) !important;
  font-weight: 600;
}

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

.position-relative.vh-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h100v100H0z" fill="none"/%3E%3Cpath d="M0 0l50 50M50 0l50 50M0 50l50 50" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/%3E%3C/svg%3E');
  opacity: 0.1;
  animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
  0% { background-position: 0 0; }
  100% { background-position: 100px 100px; }
}

.text-white {
  color: var(--text-light) !important;
  position: relative;
  z-index: 2;
}

.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out;
}

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

.fs-4,
.fs-5,
.lead {
  animation: fadeInUp 1s ease-out 0.2s both;
}

/* Buttons */
.btn {
  border-radius: 2px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-speed) ease;
  border: 2px solid transparent;
  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;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--text-light) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--dark-accent) !important;
  border-color: var(--dark-accent) !important;
  color: var(--text-light) !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.8) !important;
  color: var(--text-light) !important;
  background-color: transparent !important;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background-color: var(--text-light) !important;
  border-color: var(--text-light) !important;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

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

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

.btn-light {
  background-color: var(--text-light) !important;
  border-color: var(--text-light) !important;
  color: var(--primary-color) !important;
}

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

/* Section Styling */
section {
  position: relative;
}

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

.bg-light {
  background-color: #f8f9fa !important;
}

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

/* Cards */
.card {
  border: none;
  border-radius: 2px;
  transition: all var(--transition-speed) ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(44, 62, 80, 0.15) !important;
}

.card-body {
  padding: 2rem;
}

.shadow,
.shadow-sm,
.shadow-lg {
  transition: box-shadow var(--transition-speed) ease;
}

.shadow {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.shadow-lg {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.portfolio-item {
  position: relative;
  cursor: pointer;
  border-radius: 2px;
  overflow: hidden;
  background-color: var(--primary-color);
  aspect-ratio: 4/3;
}

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

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

.portfolio-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(44, 62, 80, 0.9) 100%);
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

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

.portfolio-item .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  background-color: var(--secondary-color) !important;
  color: var(--text-light) !important;
  padding: 0.5rem 1rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Filter Buttons */
.btn-group {
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  margin: 0.25rem;
}

/* Images */
.img-fluid {
  max-width: 100%;
  height: auto;
  transition: all var(--transition-speed) ease;
}

.rounded {
  border-radius: 2px !important;
}

img:hover {
  transform: scale(1.02);
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid var(--secondary-color);
  border-radius: 2px;
  padding: 0.75rem 1rem;
  transition: all var(--transition-speed) ease;
  background-color: #ffffff;
  color: var(--text-dark);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(44, 62, 80, 0.15) !important;
  background-color: #ffffff !important;
  color: var(--text-dark) !important;
}

.form-control-lg,
.form-select-lg {
  padding: 1rem 1.25rem;
  font-size: 1.1rem;
}

.form-label {
  font-weight: 600;
  color: var(--text-dark) !important;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

.form-check-input {
  border: 2px solid var(--secondary-color);
  cursor: pointer;
}

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

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(44, 62, 80, 0.15) !important;
}

.form-check-label {
  cursor: pointer;
  color: var(--text-dark) !important;
}

.invalid-feedback {
  display: none;
  color: #dc3545 !important;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
  border-color: #dc3545;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
  display: block;
}

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

/* Accordion */
.accordion {
  border-radius: 2px;
  overflow: hidden;
}

.accordion-item {
  border: none;
  border-bottom: 1px solid rgba(149, 165, 166, 0.2);
  background-color: transparent;
}

.accordion-item:first-child {
  border-top: 1px solid rgba(149, 165, 166, 0.2);
}

.accordion-button {
  background-color: #ffffff !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  padding: 1.5rem;
  border: none;
  transition: all var(--transition-speed) ease;
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color) !important;
  color: var(--text-light) !important;
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border: none;
}

.accordion-button::after {
  filter: brightness(0) invert(0.3);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  padding: 1.5rem;
  background-color: #f8f9fa;
  color: var(--text-dark) !important;
}

.accordion-collapse.show,
.accordion-collapse.collapsing {
  background-color: #f8f9fa;
}

/* Progress Bar */
.progress {
  height: 10px;
  border-radius: 5px;
  background-color: rgba(149, 165, 166, 0.2);
  overflow: hidden;
}

.progress-bar {
  background-color: var(--primary-color) !important;
  transition: width 1s ease;
}

/* Text Utilities */
.text-muted {
  color: var(--secondary-color) !important;
}

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

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.fw-bold {
  font-weight: 700 !important;
}

.fw-semibold {
  font-weight: 600 !important;
}

.fw-normal {
  font-weight: 400 !important;
}

.fst-italic {
  font-style: italic;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-speed) ease;
}

a:hover {
  color: var(--dark-accent);
}

.text-decoration-none {
  text-decoration: none !important;
}

.text-decoration-none:hover {
  text-decoration: underline !important;
}

/* List */
.list-unstyled {
  padding-left: 0;
  list-style: none;
}

.list-unstyled li {
  padding: 0.5rem 0;
}

.list-unstyled a {
  color: var(--text-dark) !important;
  transition: all var(--transition-speed) ease;
  display: inline-block;
}

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

/* Icons (Bootstrap Icons) */
.bi {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
}

.bi-arrow-right,
.bi-check-circle-fill,
.bi-telephone-fill,
.bi-envelope-fill,
.bi-geo-alt-fill,
.bi-clock-history,
.bi-calendar-check,
.bi-shield-check,
.bi-facebook,
.bi-instagram,
.bi-linkedin,
.bi-telephone,
.bi-envelope {
  font-size: 1.2rem;
}

/* Opacity Utilities */
.opacity-25 {
  opacity: 0.25 !important;
}

.opacity-50 {
  opacity: 0.5 !important;
}

.opacity-75 {
  opacity: 0.75 !important;
}

/* Badge */
.badge {
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

/* Border Utilities */
.border {
  border: 1px solid rgba(149, 165, 166, 0.3) !important;
}

.border-0 {
  border: 0 !important;
}

.border-bottom {
  border-bottom: 1px solid rgba(149, 165, 166, 0.3) !important;
}

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

/* Sticky Elements */
.sticky-top {
  position: sticky;
  top: 0;
  z-index: 1020;
}

.sticky-lg-top {
  position: sticky;
  top: 80px;
  z-index: 1010;
}

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

.fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
}

/* Spacing Adjustments */
.gap-2 {
  gap: 0.5rem !important;
}

.gap-3 {
  gap: 1rem !important;
}

.gap-4 {
  gap: 1.5rem !important;
}

.g-0 {
  --bs-gutter-x: 0;
  --bs-gutter-y: 0;
}

.g-2 {
  --bs-gutter-x: 0.5rem;
  --bs-gutter-y: 0.5rem;
}

.g-3 {
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 1rem;
}

.g-4 {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}

.g-5 {
  --bs-gutter-x: 3rem;
  --bs-gutter-y: 3rem;
}

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

footer h5,
footer h6 {
  color: var(--text-light) !important;
  font-weight: 600;
  margin-bottom: 1rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8) !important;
}

footer a:hover {
  color: var(--text-light) !important;
}

footer .list-unstyled a {
  color: rgba(255, 255, 255, 0.8) !important;
}

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

footer .bi-facebook:hover,
footer .bi-instagram:hover,
footer .bi-linkedin:hover {
  color: var(--secondary-color) !important;
}

/* Animations */
@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);
  }
}

@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.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 2px;
  }
  
  .nav-item {
    margin: 0.5rem 0;
  }
  
  .nav-link::after {
    display: none;
  }
  
  .display-2 {
    font-size: 2.5rem;
  }
  
  .display-3 {
    font-size: 2rem;
  }
  
  .display-4 {
    font-size: 1.75rem;
  }
  
  .display-5 {
    font-size: 1.5rem;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .sticky-lg-top {
    position: relative;
    top: auto;
  }
}

@media (max-width: 767.98px) {
  .display-2 {
    font-size: 2rem;
  }
  
  .display-3 {
    font-size: 1.75rem;
  }
  
  .fs-4 {
    font-size: 1.1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .display-2 {
    font-size: 1.75rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .btn-group .btn {
    width: 100%;
  }
}

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

/* Accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Focus Styles */
*:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

button:focus,
.btn:focus,
a:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--primary-color);
  color: var(--text-light);
}

::-moz-selection {
  background-color: var(--primary-color);
  color: var(--text-light);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* 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: #fff;
  animation: spin 1s ease-in-out infinite;
}

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