/* ===================================
   ARCHITECTURAL STUDIO THEME CSS
   Steel Blue & Amber Theme
   Primary: #1565C0 | Secondary: #FFA000
   =================================== */

/* === ROOT VARIABLES === */
:root {
  --primary-color: #1565C0;
  --secondary-color: #FFA000;
  --primary-dark: #0D47A1;
  --primary-light: #1976D2;
  --secondary-dark: #FF8F00;
  --secondary-light: #FFB300;
  --dark-bg: #0A1929;
  --light-bg: #F5F7FA;
  --text-dark: #1A1A1A;
  --text-light: #FFFFFF;
  --text-muted: #6B7280;
  --shadow-sm: 0 2px 8px rgba(21, 101, 192, 0.1);
  --shadow-md: 0 4px 16px rgba(21, 101, 192, 0.15);
  --shadow-lg: 0 8px 32px rgba(21, 101, 192, 0.2);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

.display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 800 !important;
  letter-spacing: -0.02em;
}

.lead {
  font-weight: 400;
  line-height: 1.7;
}

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

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

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

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

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

/* === NAVBAR === */
.navbar {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
  padding: 1rem 0;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 1030;
}

.navbar.sticky-top {
  backdrop-filter: blur(10px);
  background: linear-gradient(135deg, rgba(13, 71, 161, 0.95) 0%, rgba(21, 101, 192, 0.95) 100%) !important;
}

.navbar-brand {
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--text-light) !important;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.navbar-brand .bi {
  font-size: 1.5rem;
  color: var(--secondary-color) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500 !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 8px;
  transition: var(--transition-base);
  position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--secondary-color) !important;
  background-color: rgba(255, 160, 0, 0.1) !important;
  transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 160, 0, 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='%23FFA000' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* === HERO SECTION === */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
  overflow: hidden;
}

.hero-section::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="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,160,0,0.1)"/></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.5;
}

.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section .display-2 {
  color: var(--text-light) !important;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.95) !important;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1.2s ease-out;
}

.hero-section .btn {
  animation: fadeInUp 1.4s ease-out;
}

.bi-chevron-double-down {
  color: var(--secondary-color) !important;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: var(--transition-base);
}

.bi-chevron-double-down:hover {
  color: var(--secondary-light) !important;
  transform: scale(1.2);
}

/* === BUTTONS === */
.btn {
  font-weight: 600 !important;
  border-radius: 12px !important;
  transition: var(--transition-base) !important;
  border: none !important;
  position: relative;
  overflow: hidden;
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.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-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: var(--text-light) !important;
  box-shadow: 0 4px 15px rgba(21, 101, 192, 0.3) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 20px rgba(21, 101, 192, 0.4) !important;
  color: var(--text-light) !important;
}

.btn-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%) !important;
  color: var(--text-dark) !important;
  box-shadow: 0 4px 15px rgba(255, 160, 0, 0.3) !important;
}

.btn-warning:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%) !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 20px rgba(255, 160, 0, 0.4) !important;
  color: var(--text-dark) !important;
}

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

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

.btn-secondary {
  background: linear-gradient(135deg, #6B7280 0%, #4B5563 100%) !important;
  color: var(--text-light) !important;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #4B5563 0%, #374151 100%) !important;
  transform: translateY(-3px) !important;
  color: var(--text-light) !important;
}

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

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

.btn-sm {
  padding: 0.5rem 1rem !important;
  font-size: 0.875rem !important;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1.125rem !important;
}

/* === CARDS === */
.card {
  border-radius: 16px !important;
  transition: var(--transition-base);
  border: none !important;
  overflow: hidden;
  background: var(--text-light) !important;
}

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

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

.service-card {
  background: var(--text-light) !important;
  border-radius: 16px !important;
  padding: 2rem;
  transition: var(--transition-smooth);
  border: 2px solid transparent !important;
}

.service-card:hover {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 8px 32px rgba(255, 160, 0, 0.2) !important;
  transform: translateY(-10px);
}

.service-card .bi {
  font-size: 3rem;
  color: var(--primary-color) !important;
  transition: var(--transition-base);
}

.service-card:hover .bi {
  color: var(--secondary-color) !important;
  transform: scale(1.2) rotate(10deg);
}

/* === SECTIONS === */
section {
  padding: 5rem 0;
  position: relative;
}

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

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

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

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

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

.p-5 {
  padding: 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;
}

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

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

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

/* === BACKGROUNDS === */
.bg-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
}

.bg-dark {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #0F2A43 100%) !important;
}

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

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

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

.bg-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%) !important;
}

.bg-opacity-10 {
  opacity: 0.1 !important;
}

.bg-opacity-25 {
  background-color: rgba(255, 160, 0, 0.25) !important;
}

/* === IMAGES === */
.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  transition: var(--transition-smooth);
}

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

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

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

.rounded {
  border-radius: 16px !important;
}

/* === GALLERY === */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  cursor: pointer;
  transition: var(--transition-base);
}

.gallery-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(21, 101, 192, 0.8) 0%, rgba(255, 160, 0, 0.8) 100%);
  opacity: 0;
  transition: var(--transition-base);
  z-index: 1;
}

.gallery-item:hover::before {
  opacity: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.filter-btn {
  background: transparent !important;
  color: var(--text-dark) !important;
  border: 2px solid var(--primary-color) !important;
  padding: 0.75rem 1.5rem !important;
  margin: 0.5rem !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  transition: var(--transition-base) !important;
}

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

/* === FORMS === */
.form-control {
  border: 2px solid #E5E7EB !important;
  border-radius: 12px !important;
  padding: 0.875rem 1.25rem !important;
  font-size: 1rem !important;
  transition: var(--transition-base) !important;
  background: var(--text-light) !important;
}

.form-control:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15) !important;
  outline: none !important;
}

.form-control.is-invalid {
  border-color: #DC2626 !important;
}

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

.form-select {
  border: 2px solid #E5E7EB !important;
  border-radius: 12px !important;
  padding: 0.875rem 1.25rem !important;
  transition: var(--transition-base) !important;
}

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

.form-check-input {
  width: 1.25rem !important;
  height: 1.25rem !important;
  border: 2px solid var(--primary-color) !important;
  cursor: pointer !important;
}

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

.form-check-label {
  margin-left: 0.5rem !important;
  cursor: pointer !important;
}

.invalid-feedback {
  color: #DC2626 !important;
  font-size: 0.875rem !important;
  margin-top: 0.25rem !important;
}

.text-danger {
  color: #DC2626 !important;
}

/* === ALERTS === */
.alert {
  border-radius: 12px !important;
  border: none !important;
  padding: 1.25rem 1.5rem !important;
  margin-bottom: 1.5rem !important;
  font-weight: 500 !important;
}

.alert-success {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%) !important;
  color: var(--text-light) !important;
}

.alert-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%) !important;
  color: var(--text-dark) !important;
}

.alert-info {
  background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%) !important;
  color: var(--text-light) !important;
}

.alert .bi {
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

/* === BADGES === */
.badge {
  font-weight: 600 !important;
  border-radius: 8px !important;
  padding: 0.5rem 1rem !important;
  font-size: 0.875rem !important;
  letter-spacing: 0.5px;
}

.badge.bg-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: var(--text-light) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%) !important;
  color: var(--text-dark) !important;
}

/* === MODALS === */
.modal-content {
  border-radius: 20px !important;
  border: none !important;
  box-shadow: var(--shadow-lg) !important;
  overflow: hidden;
}

.modal-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: var(--text-light) !important;
  border-bottom: none !important;
  padding: 1.5rem 2rem !important;
}

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

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

.modal-footer {
  border-top: 1px solid #E5E7EB !important;
  padding: 1.5rem 2rem !important;
}

.btn-close {
  filter: brightness(0) invert(1) !important;
}

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

/* === ACCORDION === */
.accordion {
  border-radius: 16px !important;
  overflow: hidden;
}

.accordion-item {
  border: none !important;
  margin-bottom: 1rem !important;
  border-radius: 12px !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm) !important;
}

.accordion-button {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: var(--text-light) !important;
  font-weight: 600 !important;
  padding: 1.25rem 1.5rem !important;
  border: none !important;
}

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

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

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

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

.accordion-button.collapsed {
  background: var(--light-bg) !important;
  color: var(--text-dark) !important;
}

/* === TABLES === */
.table-responsive {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.table thead {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: var(--text-light) !important;
}

.table thead th {
  font-weight: 700 !important;
  padding: 1.25rem 1rem !important;
  border: none !important;
  color: var(--text-light) !important;
}

.table tbody tr {
  transition: var(--transition-base);
}

.table tbody tr:hover {
  background-color: rgba(21, 101, 192, 0.05) !important;
}

.table tbody td {
  padding: 1rem !important;
  vertical-align: middle !important;
  border-color: #E5E7EB !important;
}

.table-bordered {
  border: 1px solid #E5E7EB !important;
}

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

.list-unstyled li {
  padding: 0.75rem 0 !important;
  display: flex;
  align-items: center;
}

.list-unstyled .bi-check-circle-fill {
  color: var(--secondary-color) !important;
  margin-right: 0.75rem !important;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* === UTILITIES === */
.d-none {
  display: none !important;
}

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

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

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

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

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

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

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

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

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

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

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

.text-uppercase {
  text-transform: uppercase !important;
}

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

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

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

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

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

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

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

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

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

.end-0 {
  right: 0 !important;
}

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

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

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

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

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

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

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

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

.gap-4 {
  gap: 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;
}

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

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

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

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

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

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

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

.opacity-25 {
  opacity: 0.25 !important;
}

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

.border-top {
  border-top: 1px solid #E5E7EB !important;
}

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

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

/* === 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-21x9 {
  --bs-aspect-ratio: calc(9 / 21 * 100%);
}

/* === ICON STYLES === */
.bi {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
}

.bi-shield-fill-check,
.bi-calendar-check,
.bi-wrench-adjustable,
.bi-gear-fill,
.bi-tools,
.bi-speedometer2,
.bi-clock-history,
.bi-arrow-repeat,
.bi-stoplights,
.bi-lightning-charge,
.bi-soundwave,
.bi-arrow-right,
.bi-chevron-right,
.bi-telephone-fill,
.bi-geo-alt-fill,
.bi-envelope-fill,
.bi-gem,
.bi-gear-wide-connected,
.bi-brake-pads,
.bi-send-fill,
.bi-pin-map-fill,
.bi-clock-fill,
.bi-info-circle,
.bi-wrench,
.bi-clipboard-data,
.bi-people,
.bi-eye,
.bi-pencil-square,
.bi-trash,
.bi-x-circle,
.bi-shield-check,
.bi-lock-fill,
.bi-server,
.bi-person-badge,
.bi-info-circle-fill,
.bi-exclamation-triangle-fill,
.bi-shield-shaded {
  transition: var(--transition-base);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@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(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation classes */
.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

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

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

.scale-in {
  animation: scaleIn 0.8s ease-out;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.98) 0%, rgba(21, 101, 192, 0.98) 100%);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
  }

  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0 !important;
  }

  .hero-section {
    min-height: 80vh;
    padding: 2rem 0;
  }

  .hero-section .display-2 {
    font-size: 2.5rem !important;
  }

  .hero-section .lead {
    font-size: 1.25rem !important;
  }

  section {
    padding: 3rem 0;
  }

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

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

  .card-body {
    padding: 1.5rem !important;
  }

  .service-card {
    padding: 1.5rem;
  }

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

  .display-4 {
    font-size: 2rem !important;
  }

  .display-5 {
    font-size: 1.75rem !important;
  }

  .display-6 {
    font-size: 1.5rem !important;
  }

  .mb-lg-0 {
    margin-bottom: 1.5rem !important;
  }

  .pe-lg-5,
  .ps-lg-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .text-lg-start,
  .text-lg-end {
    text-align: center !important;
  }

  .order-lg-1,
  .order-lg-2 {
    order: unset !important;
  }
}

@media (max-width: 767.98px) {
  html {
    font-size: 14px;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-section .display-2 {
    font-size: 2rem !important;
  }

  .hero-section .lead {
    font-size: 1.125rem !important;
  }

  .btn {
    width: 100%;
    margin: 0.5rem 0 !important;
  }

  .d-flex.gap-3 {
    flex-direction: column;
  }

  .modal-body,
  .modal-header,
  .modal-footer {
    padding: 1.25rem !important;
  }

  .accordion-button,
  .accordion-body {
    padding: 1rem !important;
  }

  .table {
    font-size: 0.875rem;
  }

  .table thead th,
  .table tbody td {
    padding: 0.75rem 0.5rem !important;
  }

  .p-5 {
    padding: 2rem !important;
  }

  .px-5 {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }

  .py-5 {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
  }

  .pe-md-5,
  .ps-md-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .text-md-start,
  .text-md-end {
    text-align: center !important;
  }

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

  .order-md-1,
  .order-md-2 {
    order: unset !important;
  }

  .col-md-3,
  .col-md-4,
  .col-md-5,
  .col-md-6,
  .col-md-7,
  .col-md-8 {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .hero-section .display-2 {
    font-size: 1.75rem !important;
  }

  .display-3 {
    font-size: 2rem !important;
  }

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

  .display-5 {
    font-size: 1.5rem !important;
  }

  .display-6 {
    font-size: 1.25rem !important;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.95rem !important;
  }

  .service-card {
    padding: 1.25rem;
  }

  .service-card .bi {
    font-size: 2.5rem;
  }

  .card-body {
    padding: 1.25rem !important;
  }

  .p-4 {
    padding: 1.25rem !important;
  }

  .navbar-brand {
    font-size: 1.5rem !important;
  }
}

/* === PRINT STYLES === */
@media print {
  .navbar,
  .btn,
  .modal,
  .navbar-toggler,
  footer {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  a {
    text-decoration: underline !important;
  }

  .container {
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* === ACCESSIBILITY === */
:focus-visible {
  outline: 3px solid var(--secondary-color) !important;
  outline-offset: 2px;
}

.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;
}

/* === CUSTOM SCROLLBAR === */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 6px;
}

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

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

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