/* Architectural Studio - Midnight Steel & Crimson Theme */
/* ================================================== */

/* CSS Variables */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --dark-bg: #1a252f;
  --light-gray: #ecf0f1;
  --white: #ffffff;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --transition: all 0.3s ease;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

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

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

.display-1, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 800 !important;
  letter-spacing: -1px;
}

.h3 {
  font-size: 1.75rem;
  font-weight: 700;
}

/* Navigation */
.navbar {
  padding: 1rem 0;
  transition: var(--transition);
  background-color: var(--primary-color) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.navbar.fixed-top {
  backdrop-filter: blur(10px);
}

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

.navbar-brand {
  font-size: 1.5rem;
  color: var(--white) !important;
  font-weight: 800;
  letter-spacing: 1px;
  transition: var(--transition);
}

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

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 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, 1%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;
}

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

.navbar-nav .nav-link {
  color: var(--white) !important;
  font-weight: 600;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

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

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

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

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

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

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

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

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

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

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

/* Hero with Background */
section.position-relative.vh-100 {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
  position: relative;
}

section.position-relative.vh-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,100 L200,150 L400,80 L600,120 L800,90 L1000,130 L1200,100 L1200,600 L0,600 Z" fill="rgba(231,76,60,0.1)"/></svg>');
  background-size: cover;
  opacity: 0.3;
  animation: heroPattern 20s ease-in-out infinite;
}

@keyframes heroPattern {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

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

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

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

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

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

.text-success {
  color: #28a745 !important;
}

.text-warning {
  color: #ffc107 !important;
}

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

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

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.8;
}

.fs-1 {
  font-size: calc(1.375rem + 1.5vw) !important;
}

.fs-4 {
  font-size: 1.125rem !important;
}

.fs-5 {
  font-size: 1rem !important;
}

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

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

/* Buttons */
.btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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;
  z-index: -1;
}

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

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

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

.btn-outline-light:hover {
  background-color: var(--white) !important;
  color: var(--primary-color) !important;
  border-color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

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

.btn-light:hover {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(231, 76, 60, 0.4);
}

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

.btn-outline-dark:hover {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
}

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

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

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

.gap-2 {
  gap: 0.5rem !important;
}

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

/* Scroll Indicator */
.position-absolute {
  position: absolute !important;
}

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

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

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

.bi {
  display: inline-block;
  vertical-align: middle;
}

.bi-chevron-down {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

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

/* Sections */
.py-5 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.py-4 {
  padding-top: 1.5rem !important;
  padding-bottom: 1.5rem !important;
}

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

.py-0 {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

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

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

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

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

.p-0 {
  padding: 0 !important;
}

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

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

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

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

.ps-lg-5 {
  padding-left: 3rem !important;
}

.pe-lg-4 {
  padding-right: 1.5rem !important;
}

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

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

.mb-1 {
  margin-bottom: 0.25rem !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-lg-0 {
  margin-bottom: 0 !important;
}

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

.mt-2 {
  margin-top: 0.5rem !important;
}

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

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

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

.mt-lg-0 {
  margin-top: 0 !important;
}

.me-1 {
  margin-right: 0.25rem !important;
}

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

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

.me-4 {
  margin-right: 1.5rem !important;
}

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

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

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

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

/* Grid System */
.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

.container-fluid {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.75rem;
  margin-left: -0.75rem;
}

.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;
}

.col-6,
.col-12,
.col-md-4,
.col-md-6,
.col-lg-2,
.col-lg-3,
.col-lg-4,
.col-lg-5,
.col-lg-6,
.col-lg-7,
.col-lg-8,
.col-lg-10 {
  flex: 0 0 auto;
  padding-right: calc(var(--bs-gutter-x, 1.5rem) * 0.5);
  padding-left: calc(var(--bs-gutter-x, 1.5rem) * 0.5);
}

.col-6 {
  width: 50%;
}

.col-12 {
  width: 100%;
}

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

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

.shadow-sm {
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

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

.rounded {
  border-radius: 0.375rem !important;
}

/* Cards */
.card {
  background-color: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 15px;
  transition: var(--transition);
  overflow: hidden;
}

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

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

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

.card-body {
  padding: 2rem;
  flex: 1 1 auto;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-light);
  line-height: 1.8;
}

.card-img-top {
  width: 100%;
  height: auto;
  border-top-left-radius: calc(0.375rem - 1px);
  border-top-right-radius: calc(0.375rem - 1px);
}

/* Service Cards */
.service-card {
  padding: 2rem;
  border-radius: 15px;
  background: var(--white);
  transition: var(--transition);
  border-left: 4px solid transparent;
}

.service-card:hover {
  border-left-color: var(--secondary-color);
  transform: translateX(10px);
  box-shadow: var(--shadow);
}

.service-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

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

/* Icons */
.bi-house-door,
.bi-building,
.bi-compass,
.bi-leaf,
.bi-box,
.bi-map,
.bi-check-circle-fill,
.bi-geo-alt-fill,
.bi-telephone-fill,
.bi-envelope-fill,
.bi-moon-stars-fill,
.bi-hammer,
.bi-lightning-charge-fill,
.bi-tools,
.bi-plus-circle,
.bi-check2,
.bi-archive,
.bi-tree,
.bi-calendar-check,
.bi-images,
.bi-geo-alt,
.bi-telephone,
.bi-envelope,
.bi-chat-dots,
.bi-send,
.bi-clock,
.bi-info-circle,
.bi-train-front,
.bi-bus-front,
.bi-p-circle,
.bi-question-circle,
.bi-instagram,
.bi-linkedin,
.bi-facebook {
  display: inline-block;
  font-size: 1.5rem;
}

.bi-check-circle-fill {
  color: var(--secondary-color);
  margin-right: 0.5rem;
}

/* Portfolio Section */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.75rem 2rem;
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color) !important;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

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

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  height: 300px;
}

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

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.95), rgba(231, 76, 60, 0.95));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition);
  padding: 2rem;
}

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

/* Badges */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

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

/* Borders */
.border-0 {
  border: 0 !important;
}

.border-3 {
  border-width: 3px !important;
}

.border-start {
  border-left: 1px solid #dee2e6 !important;
}

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

section:nth-child(even) {
  background-color: #f8f9fa;
}

/* Expand Button */
.expand-btn {
  background: none;
  border: none;
  color: var(--secondary-color) !important;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.expand-btn:hover {
  color: var(--primary-color) !important;
  transform: translateX(5px);
}

/* Top Position */
.top-0 {
  top: 0 !important;
}

.start-0 {
  left: 0 !important;
}

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

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

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

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

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

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

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

.sticky-lg-top {
  position: sticky;
  top: 0;
  z-index: 1020;
}

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

.form-control,
.form-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--white);
  border: 2px solid #dee2e6;
  border-radius: 10px;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color);
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(231, 76, 60, 0.25);
}

.form-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.form-check {
  display: block;
  min-height: 1.5rem;
  padding-left: 1.5em;
  margin-bottom: 0.125rem;
}

.form-check-input {
  width: 1.25em;
  height: 1.25em;
  margin-top: 0.125em;
  vertical-align: top;
  background-color: var(--white);
  border: 2px solid #dee2e6;
  border-radius: 0.25em;
  transition: var(--transition);
}

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

.form-check-label {
  padding-left: 0.5rem;
}

/* Ratio */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: "";
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-16x9 {
  --bs-aspect-ratio: 56.25%;
}

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

/* Responsive Design */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
  
  .col-md-4 {
    width: 33.333333%;
  }
  
  .col-md-6 {
    width: 50%;
  }
  
  .text-md-start {
    text-align: left !important;
  }
  
  .text-md-end {
    text-align: right !important;
  }
  
  .mb-md-0 {
    margin-bottom: 0 !important;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .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%;
  }
  
  .navbar-expand-lg {
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
  
  .navbar-expand-lg .navbar-nav {
    flex-direction: row;
  }
  
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
  }
  
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
  
  .text-lg-end {
    text-align: right !important;
  }
  
  .mb-lg-0 {
    margin-bottom: 0 !important;
  }
  
  .mt-lg-0 {
    margin-top: 0 !important;
  }
  
  .ps-lg-5 {
    padding-left: 3rem !important;
  }
  
  .pe-lg-4 {
    padding-right: 1.5rem !important;
  }
  
  .d-lg-block {
    display: block !important;
  }
  
  .flex-lg-row-reverse {
    flex-direction: row-reverse !important;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* Mobile Specific */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 10px;
  }
  
  .navbar-nav .nav-item {
    margin: 0.5rem 0;
  }
  
  .display-1 {
    font-size: 3rem;
  }
  
  .display-3 {
    font-size: 2.5rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
}

/* 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;
  animation: fadeInUp 0.8s ease forwards;
}

/* Collapse */
.collapse:not(.show) {
  display: none;
}

.collapse.show {
  display: block;
}

.navbar-collapse.collapse.show {
  display: flex !important;
}

/* Utility Classes */
.h-100 {
  height: 100% !important;
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  form {
    display: none;
  }
}