/* Architectural Studio - Charcoal & Amber Theme */

/* === ROOT VARIABLES === */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --dark-charcoal: #1a252f;
  --light-charcoal: #34495e;
  --amber-light: #f39c12;
  --amber-dark: #d35400;
  --text-light: #ecf0f1;
  --text-dark: #2c3e50;
  --transition: all 0.3s ease;
}

/* === GLOBAL STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.5px;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 800 !important;
  line-height: 1.2 !important;
}

/* === NAVIGATION === */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-charcoal) 100%) !important;
  padding: 1rem 0 !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.5rem 0 !important;
  background: rgba(44, 62, 80, 0.98) !important;
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.8rem !important;
  color: #ffffff !important;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition);
}

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

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500 !important;
  padding: 0.5rem 1.2rem !important;
  margin: 0 0.2rem;
  transition: var(--transition);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

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

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

.navbar-toggler {
  border: 2px solid var(--secondary-color) !important;
  padding: 0.5rem 0.75rem !important;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(230, 126, 34, 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='%23E67E22' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* === BUTTONS === */
.btn {
  border-radius: 0 !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border-width: 2px !important;
}

.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 {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: #ffffff !important;
  padding: 1rem 2.5rem !important;
}

.btn-lg:hover {
  background-color: var(--amber-dark) !important;
  border-color: var(--amber-dark) !important;
  color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(230, 126, 34, 0.4) !important;
}

.btn-outline-light {
  border-color: #ffffff !important;
  color: #ffffff !important;
  background: transparent !important;
}

.btn-outline-light:hover {
  background-color: #ffffff !important;
  border-color: #ffffff !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3) !important;
}

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

.btn-outline-dark:hover {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(44, 62, 80, 0.3) !important;
}

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

.btn-light:hover {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(230, 126, 34, 0.3) !important;
}

.btn-sm {
  padding: 0.4rem 1rem !important;
  font-size: 0.85rem !important;
}

/* === HERO SECTION === */
.vh-100 {
  min-height: 100vh;
  position: relative;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-charcoal) 100%);
}

.position-absolute.top-0.start-0.w-100.h-100 {
  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="%23E67E22" 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: 0.3;
  z-index: 0;
}

.vh-100 .container {
  position: relative;
  z-index: 2;
}

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

.display-2 {
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease-out;
}

.lead {
  text-shadow: 1px 1px 4px rgba(0,0,0,0.2);
  animation: fadeInUp 1.2s ease-out;
  opacity: 0.95;
}

/* === SECTIONS === */
.py-5 {
  padding: 4rem 0 !important;
}

.py-4 {
  padding: 3rem 0 !important;
}

.text-uppercase {
  letter-spacing: 3px !important;
  font-weight: 700 !important;
  color: var(--secondary-color) !important;
  font-size: 0.9rem !important;
}

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

.display-5 {
  color: var(--primary-color) !important;
  margin-bottom: 1.5rem !important;
}

.display-4 {
  color: var(--primary-color) !important;
  margin-bottom: 2rem !important;
}

.display-3 {
  color: var(--primary-color) !important;
}

.display-6 {
  color: var(--primary-color) !important;
}

/* === CARDS === */
.card {
  border: none !important;
  transition: var(--transition);
  height: 100%;
  background: #ffffff;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15) !important;
}

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

.overflow-hidden {
  position: relative;
}

.overflow-hidden::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--amber-light));
  transform: scaleX(0);
  transition: var(--transition);
}

.card:hover .overflow-hidden::before {
  transform: scaleX(1);
}

.h4 {
  color: var(--primary-color) !important;
  margin-bottom: 1rem !important;
  font-weight: 700 !important;
}

.h5 {
  color: var(--primary-color) !important;
  font-weight: 600 !important;
}

.h6 {
  color: var(--primary-color) !important;
  font-weight: 600 !important;
}

.h3 {
  color: var(--primary-color) !important;
  font-weight: 700 !important;
}

.h1 {
  color: var(--primary-color) !important;
  font-weight: 800 !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.7) !important;
}

/* === IMAGES === */
.rounded {
  border-radius: 0 !important;
}

.rounded-3 {
  border-radius: 0 !important;
}

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

.shadow-lg {
  box-shadow: 0 15px 35px rgba(0,0,0,0.2) !important;
  transition: var(--transition);
}

.shadow-lg:hover {
  box-shadow: 0 20px 45px rgba(0,0,0,0.3) !important;
  transform: scale(1.02);
}

.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;
}

.img-fluid {
  transition: var(--transition);
}

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

/* === PORTFOLIO === */
.portfolio-grid {
  display: grid;
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  background: var(--primary-color);
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.9), rgba(230, 126, 34, 0.9));
  opacity: 0;
  transition: var(--transition);
}

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

.portfolio-item img {
  transition: var(--transition);
}

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

/* === FILTER BUTTONS === */
.filter-btn {
  background: transparent !important;
  color: var(--primary-color) !important;
  border: 2px solid var(--primary-color) !important;
  padding: 0.6rem 1.5rem !important;
  margin: 0.3rem !important;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
}

/* === BADGE === */
.badge {
  background-color: var(--secondary-color) !important;
  color: #ffffff !important;
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  border-radius: 0 !important;
  letter-spacing: 0.5px;
}

/* === FORMS === */
.form-label {
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  margin-bottom: 0.5rem !important;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.form-control,
.form-select {
  border: 2px solid #ddd !important;
  border-radius: 0 !important;
  padding: 0.8rem 1rem !important;
  transition: var(--transition);
  background: #ffffff !important;
  color: var(--text-dark) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.15) !important;
  background: #ffffff !important;
  color: var(--text-dark) !important;
}

.form-check-input {
  border: 2px solid #ddd !important;
  border-radius: 0 !important;
  transition: var(--transition);
}

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

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.15) !important;
}

.form-check-label {
  color: var(--text-dark) !important;
  margin-left: 0.5rem !important;
}

/* === ACCORDION === */
.accordion {
  border: none !important;
}

.accordion-item {
  border: none !important;
  margin-bottom: 1rem !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08) !important;
}

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

.accordion-button {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
  padding: 1.2rem 1.5rem !important;
  border: none !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.accordion-button:not(.collapsed) {
  background-color: var(--secondary-color) !important;
  color: #ffffff !important;
  box-shadow: none !important;
}

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

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

.accordion-button.collapsed {
  background-color: #f8f9fa !important;
  color: var(--primary-color) !important;
}

.accordion-button.collapsed::after {
  filter: none;
}

.accordion-body {
  padding: 1.5rem !important;
  background: #ffffff !important;
  color: var(--text-dark) !important;
  line-height: 1.8;
}

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

/* === BACKGROUND UTILITIES === */
.bg-light {
  background-color: #f8f9fa !important;
}

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

/* === TEXT COLORS === */
.text-muted {
  color: #6c757d !important;
}

.text-decoration-none {
  text-decoration: none !important;
  color: inherit;
  transition: var(--transition);
}

.text-decoration-none:hover {
  color: var(--secondary-color) !important;
}

/* === BOOTSTRAP ICONS === */
.bi {
  font-size: 1.2rem;
  vertical-align: middle;
}

.bi-telephone-fill,
.bi-envelope-fill,
.bi-geo-alt-fill,
.bi-geo-alt,
.bi-telephone,
.bi-envelope,
.bi-facebook,
.bi-instagram,
.bi-linkedin,
.bi-pinterest,
.bi-arrow-right,
.bi-box-arrow-up-right,
.bi-calendar-check,
.bi-rulers,
.bi-building,
.bi-award-fill,
.bi-layers-half,
.bi-house-door,
.bi-grid-3x3,
.bi-tree,
.bi-badge-3d,
.bi-hammer,
.bi-check-circle-fill {
  color: var(--secondary-color);
  margin-right: 0.5rem;
}

/* === FOOTER === */
footer {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-charcoal) 100%);
  color: #ffffff;
  padding: 3rem 0 1rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none;
  transition: var(--transition);
}

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

.list-unstyled {
  padding-left: 0 !important;
  list-style: none !important;
}

.list-unstyled li {
  padding: 0.3rem 0;
}

/* === STICKY ELEMENTS === */
.sticky-top {
  position: sticky !important;
  top: 80px !important;
  z-index: 1020;
}

.sticky-lg-top {
  position: sticky !important;
  top: 80px !important;
}

.position-sticky {
  position: sticky !important;
  top: 80px !important;
}

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

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  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: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === HOVER EFFECTS === */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-5px);
}

/* === SPACING === */
.gap-2 {
  gap: 0.5rem !important;
}

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

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

.gap-5 {
  gap: 3rem !important;
}

/* === SOCIAL MEDIA ICONS === */
.bi-facebook:hover { color: #1877f2 !important; }
.bi-instagram:hover { color: #e4405f !important; }
.bi-linkedin:hover { color: #0077b5 !important; }
.bi-pinterest:hover { color: #bd081c !important; }

/* === PRIVACY CONTENT === */
.privacy-content {
  line-height: 1.8;
  color: var(--text-dark);
}

.privacy-content h2,
.privacy-content h3 {
  color: var(--primary-color) !important;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.privacy-content p {
  margin-bottom: 1rem;
}

.privacy-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* === BUTTON GROUP === */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* === FLEX UTILITIES === */
.flex-wrap {
  flex-wrap: wrap !important;
}

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

.flex-lg-row-reverse {
  flex-direction: row-reverse !important;
}

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

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

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

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

.justify-content-between {
  justify-content: space-between !important;
}

/* === POSITION UTILITIES === */
.position-relative {
  position: relative !important;
}

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

.start-0 { left: 0 !important; }
.end-0 { right: 0 !important; }
.top-0 { top: 0 !important; }
.bottom-0 { bottom: 0 !important; }

.start-50 {
  left: 50% !important;
}

.translate-middle-x {
  transform: translateX(-50%) !important;
}

/* === TEXT ALIGNMENT === */
.text-center {
  text-align: center !important;
}

.text-end {
  text-align: right !important;
}

.text-lg-end {
  text-align: right !important;
}

.text-md-start {
  text-align: left !important;
}

.text-md-end {
  text-align: right !important;
}

/* === FONT STYLES === */
.fw-bold {
  font-weight: 700 !important;
}

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

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

.fs-4 {
  font-size: 1.25rem !important;
}

.fs-5 {
  font-size: 1.1rem !important;
}

.fs-6 {
  font-size: 1rem !important;
}

.small {
  font-size: 0.875rem !important;
}

/* === DISPLAY UTILITIES === */
.d-flex {
  display: flex !important;
}

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

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

.d-none {
  display: none !important;
}

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

/* === RESPONSIVE === */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(44, 62, 80, 0.98);
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  }
  
  .navbar-dark .navbar-nav .nav-link {
    padding: 0.8rem 1rem !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  
  .navbar-dark .navbar-nav .nav-link::after {
    display: none;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2.2rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.8rem !important;
  }
  
  .vh-100 {
    min-height: 70vh;
  }
  
  .py-5 {
    padding: 3rem 0 !important;
  }
  
  .btn-lg {
    padding: 0.8rem 2rem !important;
    font-size: 0.95rem !important;
  }
  
  .sticky-lg-top {
    position: static !important;
  }
}

@media (max-width: 767px) {
  .display-2 {
    font-size: 2rem !important;
  }
  
  .lead {
    font-size: 1rem !important;
  }
  
  .btn-lg {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .text-md-start,
  .text-md-end {
    text-align: center !important;
  }
  
  .py-5 {
    padding: 2rem 0 !important;
  }
  
  .flex-lg-row-reverse {
    flex-direction: column !important;
  }
}

@media (max-width: 575px) {
  .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .px-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .p-5 {
    padding: 2rem !important;
  }
  
  .p-md-5 {
    padding: 1.5rem !important;
  }
}

/* === LOADING STATES === */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 3px solid rgba(230, 126, 34, 0.3);
  border-top-color: var(--secondary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

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

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

/* === SELECTION === */
::selection {
  background: var(--secondary-color);
  color: #ffffff;
}

::-moz-selection {
  background: var(--secondary-color);
  color: #ffffff;
}