/* Architectural Studio - Slate & Crystal Theme */
/* ============================================ */

/* CSS Variables & Root Styles */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E8F4F8;
  --accent-color: #3498DB;
  --dark-slate: #1a252f;
  --light-crystal: #F8FCFF;
  --text-dark: #2C3E50;
  --text-light: #ffffff;
  --transition-speed: 0.3s;
  --shadow-sm: 0 2px 8px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 4px 16px rgba(44, 62, 80, 0.12);
  --shadow-lg: 0 8px 32px rgba(44, 62, 80, 0.16);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark) !important;
  background-color: var(--light-crystal) !important;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.fs-4, .fs-5, .lead {
  color: var(--text-dark) !important;
  line-height: 1.8;
}

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

.text-muted {
  color: #6c757d !important;
}

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

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

/* Navbar Styles */
.navbar {
  background: rgba(44, 62, 80, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  background: var(--primary-color) !important;
  padding: 0.5rem 0;
  box-shadow: var(--shadow-lg);
}

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

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

.navbar-dark .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3) !important;
  color: var(--text-light) !important;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(232, 244, 248, 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(255, 255, 255, 0.95)' 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 !important;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: all var(--transition-speed) ease;
  border-radius: 6px;
}

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

.nav-link.active {
  color: var(--text-light) !important;
  background: rgba(232, 244, 248, 0.2) !important;
  font-weight: 600 !important;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
}

/* Hero Section */
.position-relative.overflow-hidden {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-slate) 100%);
  position: relative;
}

.position-relative.overflow-hidden::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23E8F4F8" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.4;
}

.position-absolute.w-100.h-100 {
  z-index: 0;
}

.object-fit-cover {
  object-fit: cover;
  opacity: 0.15;
}

/* Buttons */
.btn {
  border-radius: 8px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-speed) ease !important;
  border: 2px solid transparent !important;
}

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

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

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

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

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

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

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

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

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

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

.card.border-0 {
  border: none !important;
}

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

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg) !important;
}

.card-body {
  padding: 2rem !important;
}

.card-title {
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  margin-bottom: 1rem !important;
}

.card-text {
  color: var(--text-dark) !important;
  line-height: 1.8;
}

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

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

/* Team Cards */
.team-card {
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(44, 62, 80, 0.8) 100%);
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
  z-index: 1;
}

.team-card:hover::before {
  opacity: 1;
}

/* Badge */
.badge {
  background: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  padding: 0.5rem 1rem !important;
  font-size: 0.875rem !important;
}

/* Bootstrap Icons */
.bi {
  vertical-align: middle;
}

.bi-lightbulb, .bi-people, .bi-tree, .bi-gear,
.bi-check-circle-fill, .bi-geo-alt-fill, .bi-telephone-fill,
.bi-envelope-fill, .bi-cookie, .bi-shield-check, .bi-graph-up,
.bi-person-check, .bi-lock, .bi-shield-lock, .bi-file-lock,
.bi-cloud-check, .bi-envelope-lock, .bi-calendar-check,
.bi-link-45deg, .bi-person-x, .bi-arrow-repeat, .bi-envelope,
.bi-flag, .bi-facebook, .bi-instagram, .bi-linkedin, .bi-twitter,
.bi-house-door, .bi-building, .bi-grid-3x3, .bi-badge-3d,
.bi-hammer, .bi-geo-alt, .bi-telephone, .bi-file-earmark-text {
  color: var(--accent-color) !important;
  font-size: 1.5rem;
}

/* Forms */
.form-control, .form-select {
  border: 2px solid #e0e0e0 !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  font-size: 1rem !important;
  color: var(--text-dark) !important;
  background: var(--text-light) !important;
  transition: all var(--transition-speed) ease !important;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.15) !important;
  background: var(--text-light) !important;
  color: var(--text-dark) !important;
}

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

/* Alerts */
.alert {
  border-radius: 8px !important;
  border: none !important;
  padding: 1.5rem !important;
}

.alert-warning {
  background: #fff3cd !important;
  color: #856404 !important;
}

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

.accordion-item {
  border: 1px solid rgba(44, 62, 80, 0.1) !important;
  background: var(--text-light) !important;
}

.accordion-button {
  background: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  padding: 1.25rem 1.5rem !important;
  border: none !important;
}

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

.accordion-button:focus {
  box-shadow: none !important;
  border-color: transparent !important;
}

.accordion-button::after {
  filter: brightness(0) invert(1);
}

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

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

.accordion-collapse {
  border: none !important;
}

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

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  height: 350px;
}

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

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

.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;
}

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

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

.pb-4 {
  padding-bottom: 3rem !important;
}

.p-4 {
  padding: 2rem !important;
}

.p-5 {
  padding: 3rem !important;
}

.px-4 {
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

.px-3 {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.px-5 {
  padding-left: 3rem !important;
  padding-right: 3rem !important;
}

.py-2 {
  padding-top: 0.5rem !important;
  padding-bottom: 0.5rem !important;
}

.py-3 {
  padding-top: 1rem !important;
  padding-bottom: 1rem !important;
}

.mt-3 {
  margin-top: 1rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

.mt-5 {
  margin-top: 3rem !important;
}

.mb-2 {
  margin-bottom: 0.5rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mb-5 {
  margin-bottom: 3rem !important;
}

.my-4 {
  margin-top: 1.5rem !important;
  margin-bottom: 1.5rem !important;
}

.me-2 {
  margin-right: 0.5rem !important;
}

.me-3 {
  margin-right: 1rem !important;
}

.ms-4 {
  margin-left: 1.5rem !important;
}

.ms-auto {
  margin-left: auto !important;
}

/* Background Colors */
.bg-white {
  background-color: #ffffff !important;
}

/* Rounded Elements */
.rounded {
  border-radius: 8px !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

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

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

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

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

.list-unstyled li {
  margin-bottom: 0.5rem;
}

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

a:hover {
  color: var(--primary-color) !important;
  text-decoration: underline !important;
}

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

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

/* Position Utilities */
.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}

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

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

/* Display Utilities */
.d-flex {
  display: flex !important;
}

.d-inline-flex {
  display: inline-flex !important;
}

.d-inline-block {
  display: inline-block !important;
}

/* Flex Utilities */
.flex-wrap {
  flex-wrap: wrap !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-shrink-0 {
  flex-shrink: 0 !important;
}

.justify-content-end {
  justify-content: flex-end !important;
}

.justify-content-center {
  justify-content: center !important;
}

.align-items-center {
  align-items: center !important;
}

.align-items-start {
  align-items: flex-start !important;
}

/* Gap Utilities */
.gap-3 {
  gap: 1rem !important;
}

/* Grid Utilities */
.g-0 {
  --bs-gutter-x: 0 !important;
  --bs-gutter-y: 0 !important;
}

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

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

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

/* Container Utilities */
.container {
  max-width: 1200px !important;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.container-fluid {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* Overflow Utilities */
.overflow-hidden {
  overflow: hidden !important;
}

/* Opacity Utilities */
.opacity-75 {
  opacity: 0.75 !important;
}

/* Width & Height Utilities */
.w-100 {
  width: 100% !important;
}

.h-100 {
  height: 100% !important;
}

/* Object Fit */
.object-fit-cover {
  object-fit: cover !important;
}

/* Font Weight */
.fw-bold {
  font-weight: 700 !important;
}

/* Privacy Content */
.privacy-content {
  background: var(--text-light) !important;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.privacy-content h3 {
  color: var(--primary-color) !important;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.privacy-content p {
  color: var(--text-dark) !important;
  line-height: 1.8;
}

/* Nav Sidebar */
.nav {
  display: flex !important;
}

.nav.flex-column {
  flex-direction: column !important;
}

.nav.flex-column .nav-link {
  color: var(--primary-color) !important;
  padding: 0.5rem 1rem !important;
  border-left: 3px solid transparent;
  transition: all var(--transition-speed) ease !important;
}

.nav.flex-column .nav-link:hover {
  background: var(--secondary-color) !important;
  border-left-color: var(--primary-color) !important;
}

.nav.flex-column .nav-link.active {
  background: var(--secondary-color) !important;
  border-left-color: var(--primary-color) !important;
  font-weight: 600 !important;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  gap: 0.5rem;
}

/* Small Text */
.small {
  font-size: 0.875rem !important;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@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 scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease forwards;
}

.slide-in-right {
  animation: slideInRight 0.8s ease forwards;
}

.scale-in {
  animation: scaleIn 0.5s ease forwards;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg) !important;
}

/* Image Styles */
.img-fluid {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 8px;
}

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

footer h5, footer h6 {
  color: var(--text-light) !important;
  font-weight: 600 !important;
  margin-bottom: 1.5rem;
}

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

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

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

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(44, 62, 80, 0.98);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-item {
    margin: 0.25rem 0;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .position-relative.overflow-hidden {
    min-height: 70vh;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .display-5 {
    font-size: 1.5rem !important;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .px-5 {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem !important;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .position-sticky {
    position: relative !important;
    top: auto;
  }
  
  .text-lg-end, .text-lg-start {
    text-align: center !important;
  }
  
  .order-lg-1, .order-lg-2 {
    order: 0 !important;
  }
  
  .mb-lg-0 {
    margin-bottom: 1rem !important;
  }
  
  .mt-lg-0 {
    margin-top: 1rem !important;
  }
}

@media (max-width: 767.98px) {
  .display-2 {
    font-size: 2rem !important;
  }
  
  .fs-4 {
    font-size: 1rem !important;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .portfolio-item {
    height: 250px;
  }
  
  .text-md-end {
    text-align: center !important;
  }
}

@media (max-width: 575.98px) {
  .display-2 {
    font-size: 1.75rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.9rem !important;
  }
  
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  .gap-3 {
    gap: 0.5rem !important;
  }
}

/* Print Styles */
@media print {
  .navbar, .btn, footer {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
}

/* 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(--accent-color) !important;
  outline-offset: 2px !important;
}

.btn:focus, .form-control:focus, .form-select:focus {
  outline: none !important;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

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

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

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

::-webkit-scrollbar-track {
  background: var(--secondary-color);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-slate);
}

/* Loading State */
.loading {
  pointer-events: none;
  opacity: 0.6;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--secondary-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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