/* Architectural Studio - Deep Blue & Gold Theme */

:root {
  --primary-color: #1565C0;
  --secondary-color: #FFC107;
  --dark-blue: #0D47A1;
  --light-blue: #2196F3;
  --gold-dark: #FFA000;
  --white: #FFFFFF;
  --light-gray: #F5F5F5;
  --dark-gray: #333333;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Navbar Styles */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(13, 71, 161, 0.3);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.fixed-top {
  z-index: 1050;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 6px 30px rgba(13, 71, 161, 0.4);
}

.navbar-brand {
  color: var(--white) !important;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  transition: var(--transition);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.navbar-brand .bi {
  color: var(--secondary-color) !important;
  font-size: 1.8rem;
  margin-right: 0.5rem;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 193, 7, 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='%23FFC107' 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, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--secondary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary-color) !important;
  background: rgba(255, 193, 7, 0.1);
  transform: translateY(-2px);
}

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

/* Hero Section */
.position-relative.overflow-hidden {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 50%, var(--light-blue) 100%);
  position: relative;
  padding-top: 100px;
}

.position-relative.overflow-hidden::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(45deg, rgba(255, 193, 7, 0.1) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 193, 7, 0.1) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 193, 7, 0.1) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 193, 7, 0.1) 75%);
  background-size: 60px 60px;
  background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  opacity: 0.3;
  animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
  0% { background-position: 0 0, 0 30px, 30px -30px, -30px 0px; }
  100% { background-position: 60px 60px, 60px 90px, 90px 30px, 30px 60px; }
}

.position-relative.overflow-hidden .position-absolute {
  z-index: 0;
}

.position-relative.overflow-hidden .container {
  position: relative;
  z-index: 1;
}

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

.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.display-3 {
  font-size: calc(2.5rem + 2vw);
  color: var(--white) !important;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.95) !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

/* Button Styles */
.btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  transition: var(--transition);
  border: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  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-sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--secondary-color) !important;
  color: var(--dark-blue) !important;
  box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
}

.btn-primary:hover {
  background: var(--gold-dark) !important;
  color: var(--white) !important;
  box-shadow: 0 6px 25px rgba(255, 193, 7, 0.6);
  transform: translateY(-3px);
}

.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(-3px);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.4);
}

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

.btn-outline-primary:hover {
  background: var(--primary-color) !important;
  color: var(--white) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
}

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

.btn-outline-secondary:hover {
  background: var(--secondary-color) !important;
  color: var(--dark-blue) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-3px);
}

.btn-secondary {
  background: var(--primary-color) !important;
  color: var(--white) !important;
  box-shadow: 0 4px 15px rgba(21, 101, 192, 0.4);
}

.btn-secondary:hover {
  background: var(--dark-blue) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
}

/* Card Styles */
.card {
  border-radius: 20px;
  transition: var(--transition);
  border: none;
  overflow: hidden;
  background: var(--white);
}

.card.shadow-lg {
  box-shadow: 0 15px 40px rgba(21, 101, 192, 0.2) !important;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(21, 101, 192, 0.3) !important;
}

.card-body {
  padding: 2rem;
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-blue)) !important;
  color: var(--white) !important;
  border: none;
  padding: 1.5rem;
  font-weight: 600;
}

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

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

.card-img-top {
  border-radius: 20px 20px 0 0;
  transition: var(--transition);
}

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

/* Form Styles */
.form-control,
.form-select {
  border: 2px solid rgba(21, 101, 192, 0.2);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  transition: var(--transition);
  background: var(--white);
  color: var(--dark-gray) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15) !important;
  background: var(--white) !important;
  color: var(--dark-gray) !important;
}

.form-control-lg,
.form-select-lg {
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 15px;
}

.form-control-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: 10px;
}

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

.form-check-input {
  border: 2px solid var(--primary-color);
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
}

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

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

.input-group {
  border-radius: 12px;
  overflow: hidden;
}

.needs-validation .form-control:invalid {
  border-color: #dc3545;
}

.needs-validation .form-control:valid {
  border-color: #28a745;
}

/* Badge Styles */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: var(--secondary-color) !important;
  color: var(--dark-blue) !important;
}

/* Icon Styles */
.bi {
  display: inline-block;
  vertical-align: middle;
}

.bi-star-fill {
  color: var(--secondary-color) !important;
}

.bi-clock-history,
.bi-clock-fill {
  color: var(--secondary-color) !important;
}

.bi-award,
.bi-trophy {
  color: var(--secondary-color) !important;
  font-size: 3rem;
}

.bi-calendar-check,
.bi-check-circle-fill,
.bi-check2 {
  color: #28a745 !important;
}

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

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

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

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

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

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

/* Section Styles */
section {
  padding: 5rem 0;
  position: relative;
}

.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

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

.pt-5 {
  padding-top: 4rem !important;
}

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

/* Image Styles */
.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  transition: var(--transition);
}

.img-fluid:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.rounded-4 {
  border-radius: 20px !important;
}

.rounded-3 {
  border-radius: 15px !important;
}

.rounded-circle {
  border-radius: 50% !important;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--light-blue));
  color: var(--white) !important;
  font-size: 2rem;
  box-shadow: 0 8px 20px rgba(21, 101, 192, 0.3);
}

.rounded-pill {
  border-radius: 50rem !important;
}

/* Shadow Styles */
.shadow-lg {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15) !important;
}

.shadow {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1) !important;
}

.shadow-sm {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08) !important;
}

/* Link Styles */
a {
  color: var(--primary-color) !important;
  text-decoration: none;
  transition: var(--transition);
}

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

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

/* Alert Styles */
.alert {
  border-radius: 15px;
  border: none;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.alert-info {
  background: linear-gradient(135deg, rgba(21, 101, 192, 0.1), rgba(33, 150, 243, 0.1)) !important;
  color: var(--primary-color) !important;
  border-left: 4px solid var(--primary-color);
}

/* Modal Styles */
.modal-content {
  border-radius: 20px;
  border: none;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
  color: var(--white) !important;
  border: none;
  padding: 1.5rem 2rem;
}

.modal-title {
  color: var(--white) !important;
  font-weight: 700;
}

.modal-body {
  padding: 2rem;
  color: var(--dark-gray) !important;
}

.modal-footer {
  border: none;
  padding: 1.5rem 2rem;
  background: var(--light-gray);
}

.btn-close,
.btn-close-white {
  filter: brightness(0) invert(1);
  opacity: 1;
}

.btn-close:hover,
.btn-close-white:hover {
  opacity: 0.8;
  transform: rotate(90deg);
}

/* Accordion Styles */
.accordion {
  border-radius: 15px;
  overflow: hidden;
}

.accordion-item {
  border: 1px solid rgba(21, 101, 192, 0.2) !important;
  margin-bottom: 1rem;
  border-radius: 15px !important;
  overflow: hidden;
}

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

.accordion-button {
  background: linear-gradient(135deg, rgba(21, 101, 192, 0.05), rgba(33, 150, 243, 0.05)) !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  border: none;
  transition: var(--transition);
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15);
  border: none;
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(28%) sepia(85%) saturate(1500%) hue-rotate(195deg);
}

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

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

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

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

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

/* Grid Styles */
.g-3 {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}

.g-4 {
  --bs-gutter-x: 2rem;
  --bs-gutter-y: 2rem;
}

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

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

/* Footer Styles */
footer {
  background: linear-gradient(135deg, var(--dark-blue), var(--primary-color));
  color: var(--white) !important;
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

footer h4,
footer h5,
footer .h4 {
  color: var(--secondary-color) !important;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

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

footer .bi {
  color: var(--secondary-color) !important;
  margin-right: 0.5rem;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--dark-blue) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--gold-dark);
  color: var(--white) !important;
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(255, 193, 7, 0.6);
}

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

@keyframes fadeInDown {
  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);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInDown {
  animation: fadeInDown 0.8s ease-out;
}

.animate-fadeIn {
  animation: fadeIn 1s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

/* Hover Effects */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.hover-scale {
  transition: var(--transition);
}

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

/* Responsive Utilities */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(13, 71, 161, 0.98);
    padding: 1.5rem;
    border-radius: 15px;
    margin-top: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

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

  .display-3 {
    font-size: 2.5rem;
  }

  .position-relative.overflow-hidden {
    padding-top: 80px;
    min-height: auto;
    padding-bottom: 3rem;
  }

  section {
    padding: 3rem 0;
  }

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

  .card-body {
    padding: 1.5rem;
  }

  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}

@media (max-width: 767.98px) {
  .display-3 {
    font-size: 2rem;
  }

  .display-4 {
    font-size: 1.75rem;
  }

  .lead {
    font-size: 1.1rem;
  }

  .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
  }

  .rounded-circle {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .card-body {
    padding: 1.25rem;
  }

  section {
    padding: 2rem 0;
  }

  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }

  .scroll-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
    font-size: 1.25rem;
  }
}

@media (max-width: 575.98px) {
  .display-3 {
    font-size: 1.75rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

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

  .g-4 {
    --bs-gutter-x: 1.25rem;
    --bs-gutter-y: 1.25rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .scroll-to-top,
  footer {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-color), var(--light-blue));
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--dark-blue), var(--primary-color));
}

/* Selection */
::selection {
  background: var(--secondary-color);
  color: var(--dark-blue);
}

::-moz-selection {
  background: var(--secondary-color);
  color: var(--dark-blue);
}

/* Focus Visible */
*:focus-visible {
  outline: 3px solid var(--secondary-color);
  outline-offset: 3px;
}

/* Sticky Top */
.sticky-top {
  position: sticky;
  top: 80px;
  z-index: 1020;
}

/* Additional Utilities */
.fw-bold {
  font-weight: 700 !important;
}

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

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

.fs-2 {
  font-size: calc(1.325rem + 0.9vw) !important;
}

.fs-4 {
  font-size: calc(1.275rem + 0.3vw) !important;
}

.fs-5 {
  font-size: 1.25rem !important;
}

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

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

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

/* Loading Animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinner {
  border: 4px solid rgba(21, 101, 192, 0.1);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

/* Transition Delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }