/* Architecture Studio Theme - Deep Crimson & Steel */

:root {
  --primary-color: #B71C1C;
  --primary-dark: #8B0000;
  --primary-light: #D32F2F;
  --secondary-color: #37474F;
  --secondary-dark: #263238;
  --secondary-light: #546E7A;
  --white: #FFFFFF;
  --light-gray: #F5F5F5;
  --text-dark: #212121;
  --text-light: #757575;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Typography */
.display-1, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-light);
}

.fs-3, .fs-4, .fs-5 {
  line-height: 1.5;
}

/* Navbar */
.navbar {
  padding: 1rem 0;
  transition: var(--transition);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  box-shadow: var(--shadow-md);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-lg);
}

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

.navbar-brand {
  font-size: 1.5rem;
  color: var(--white) !important;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

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

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25) !important;
}

.navbar-toggler:hover {
  background-color: rgba(255, 255, 255, 0.1) !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") !important;
}

.navbar-nav {
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
  border-radius: 4px;
}

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

.nav-link:hover {
  color: var(--white) !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
}

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

.nav-link.active {
  color: var(--white) !important;
  background-color: rgba(255, 255, 255, 0.15) !important;
}

/* Hero Section */
.position-relative {
  position: relative;
}

.overflow-hidden {
  overflow: hidden;
}

.carousel {
  height: 100vh;
  min-height: 600px;
}

.carousel.slide {
  transition: var(--transition);
}

.carousel-fade .carousel-item {
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.carousel-fade .carousel-item.active {
  opacity: 1;
}

.carousel-inner {
  height: 100%;
}

.carousel-item {
  height: 100%;
  position: relative;
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 50%, var(--primary-dark) 100%);
}

.carousel-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(183, 28, 28, 0.7) 0%, rgba(55, 71, 79, 0.8) 100%);
  z-index: 1;
}

.carousel-item img.d-block.w-100 {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.position-absolute {
  position: absolute;
}

.top-0 {
  top: 0;
}

.start-0 {
  left: 0;
}

.top-50 {
  top: 50% !important;
}

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

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

.text-center {
  text-align: center;
}

.carousel-item .text-center {
  z-index: 2;
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate(-50%, -40%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

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

.display-1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.fs-3 {
  font-size: clamp(1.2rem, 3vw, 1.75rem) !important;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  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, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn-lg {
  padding: 0.875rem 2rem !important;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
  border-color: var(--primary-dark) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline-light:hover {
  background: var(--white) !important;
  color: var(--primary-color) !important;
  border-color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline-dark:hover {
  background: var(--secondary-color) !important;
  color: var(--white) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-light {
  background-color: var(--white) !important;
  color: var(--primary-color) !important;
  border: 2px solid var(--white) !important;
}

.btn-light:hover {
  background-color: var(--light-gray) !important;
  color: var(--primary-dark) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

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

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

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

.p-3 {
  padding: 1rem !important;
}

.p-4 {
  padding: 1.5rem !important;
}

.p-5 {
  padding: 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;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-lg-0 {
  margin-bottom: 0 !important;
}

.mt-1 {
  margin-top: 0.25rem !important;
}

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

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

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

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

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

.ms-2 {
  margin-left: 0.5rem !important;
}

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

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

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

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

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

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

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

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

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25) !important;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 700;
  color: var(--secondary-dark);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-light);
  line-height: 1.7;
}

/* Images */
.img-fluid {
  max-width: 100%;
  height: auto;
}

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

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

.object-fit-cover {
  object-fit: cover;
  object-position: center;
}

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

/* Grid System */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.container-fluid {
  width: 100%;
  padding: 0 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.g-0 {
  margin: 0 !important;
}

.g-0 > * {
  padding: 0 !important;
}

.g-2 {
  gap: 0.5rem;
}

.g-3 {
  gap: 1rem;
}

.g-4 {
  gap: 1.5rem;
}

.g-5 {
  gap: 3rem;
}

.col-12,
.col-6,
.col-md-2,
.col-md-3,
.col-md-4,
.col-md-5,
.col-md-6,
.col-md-7,
.col-md-12,
.col-lg-2,
.col-lg-3,
.col-lg-4,
.col-lg-5,
.col-lg-6,
.col-lg-7,
.col-lg-8,
.col-lg-10 {
  padding: 0 15px;
  width: 100%;
}

.col-6 {
  width: 50%;
}

.col-12 {
  width: 100%;
}

@media (min-width: 768px) {
  .col-md-2 { width: 16.666667%; }
  .col-md-3 { width: 25%; }
  .col-md-4 { width: 33.333333%; }
  .col-md-5 { width: 41.666667%; }
  .col-md-6 { width: 50%; }
  .col-md-7 { width: 58.333333%; }
  .col-md-12 { width: 100%; }
}

@media (min-width: 992px) {
  .col-lg-2 { width: 16.666667%; }
  .col-lg-3 { width: 25%; }
  .col-lg-4 { width: 33.333333%; }
  .col-lg-5 { width: 41.666667%; }
  .col-lg-6 { width: 50%; }
  .col-lg-7 { width: 58.333333%; }
  .col-lg-8 { width: 66.666667%; }
  .col-lg-10 { width: 83.333333%; }
  
  .order-lg-1 { order: 1; }
  .order-lg-2 { order: 2; }
  
  .ps-lg-5 { padding-left: 3rem !important; }
  .mb-lg-0 { margin-bottom: 0 !important; }
}

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

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

.align-items-end {
  align-items: flex-end;
}

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

.mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Backgrounds */
.bg-white {
  background-color: var(--white) !important;
}

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

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

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

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

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

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

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

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

.opacity-90 {
  opacity: 0.9 !important;
}

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

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

.list-unstyled a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.list-unstyled a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

/* Alerts */
.alert {
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.alert-light {
  background-color: var(--light-gray) !important;
  color: var(--text-dark) !important;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.border-start {
  border-left: 4px solid var(--primary-color) !important;
}

.border-4 {
  border-width: 4px !important;
}

/* Badge */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--white) !important;
}

/* Portfolio Section */
.filter-btn {
  padding: 0.5rem 1.5rem;
  margin: 0.25rem;
  border: 2px solid var(--secondary-color);
  background: transparent;
  color: var(--secondary-color) !important;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--white) !important;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: var(--transition);
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(183, 28, 28, 0.95) 0%, rgba(55, 71, 79, 0.7) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  padding: 2rem;
}

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

.portfolio-overlay h4,
.portfolio-overlay .h4 {
  color: var(--white) !important;
  margin-bottom: 0.5rem;
}

/* Forms */
.form-label {
  font-weight: 600;
  color: var(--secondary-dark);
  margin-bottom: 0.5rem;
}

.form-control,
.form-select {
  padding: 0.75rem 1rem;
  border: 2px solid #E0E0E0;
  border-radius: 6px;
  transition: var(--transition);
  font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(183, 28, 28, 0.15) !important;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-light);
}

/* Accordion */
.accordion {
  border-radius: 8px;
  overflow: hidden;
}

.accordion-item {
  border: 1px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 1rem;
  border-radius: 8px !important;
  overflow: hidden;
}

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

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

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--white) !important;
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(183, 28, 28, 0.15) !important;
}

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

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

.accordion-collapse {
  transition: var(--transition);
}

.accordion-collapse.show {
  border-top: 2px solid var(--primary-color);
}

.accordion-body {
  padding: 1.5rem;
  color: var(--text-light);
  line-height: 1.7;
}

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

.bi-geo-alt-fill,
.bi-geo-alt,
.bi-telephone-fill,
.bi-telephone,
.bi-envelope-fill,
.bi-envelope,
.bi-send,
.bi-info-circle,
.bi-lightbulb,
.bi-train-front,
.bi-car-front,
.bi-bicycle,
.bi-house-door,
.bi-building,
.bi-buildings,
.bi-map,
.bi-leaf,
.bi-bounding-box-circles,
.bi-check-circle-fill,
.bi-arrow-right-circle-fill,
.bi-shop,
.bi-briefcase,
.bi-cup-hot,
.bi-building-gear,
.bi-sun,
.bi-droplet,
.bi-tree,
.bi-lightning-charge,
.bi-pencil-square {
  font-size: 1.25rem;
}

.fs-1 {
  font-size: 3rem !important;
}

.fs-4 {
  font-size: 1.5rem !important;
}

.h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

.h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

.h5 {
  font-size: 1.25rem;
  font-weight: 600;
}

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

.d-block {
  display: block;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-3 {
  gap: 1rem;
}

.w-100 {
  width: 100% !important;
}

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

.small {
  font-size: 0.875rem;
}

/* 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;
  }
}

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

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

.animate-on-scroll.animated {
  animation: fadeInUp 0.8s ease-out forwards;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
  color: var(--white);
  padding: 3rem 0 1.5rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

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

footer .bi {
  color: var(--primary-light);
}

/* Responsive Design */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(139, 0, 0, 0.98);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 8px;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .display-1 {
    font-size: 2.5rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .carousel {
    height: 70vh;
    min-height: 500px;
  }
  
  .col-lg-5,
  .col-lg-7,
  .col-lg-3,
  .col-lg-8,
  .col-lg-10,
  .col-lg-6,
  .col-lg-4,
  .col-lg-2 {
    width: 100%;
    margin-bottom: 2rem;
  }
  
  .order-lg-1,
  .order-lg-2 {
    order: 0;
  }
  
  .ps-lg-5 {
    padding-left: 0 !important;
  }
  
  .text-md-start,
  .text-md-end {
    text-align: center;
  }
}

@media (max-width: 767px) {
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .px-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .display-1 {
    font-size: 2rem;
  }
  
  .fs-3 {
    font-size: 1.2rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem;
  }
  
  .me-3 {
    margin-right: 0 !important;
    margin-bottom: 1rem !important;
    display: block;
    width: 100%;
  }
  
  .col-md-4,
  .col-md-6,
  .col-md-5,
  .col-md-7,
  .col-md-3,
  .col-md-2,
  .col-md-12 {
    width: 100%;
    margin-bottom: 1.5rem;
  }
  
  .col-6 {
    width: 100%;
  }
  
  .portfolio-item img {
    height: 250px;
  }
  
  .g-4 {
    gap: 1rem;
  }
  
  .g-5 {
    gap: 1.5rem;
  }
}

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

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

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
  background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

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

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