/* ====================================
   Architecture Studio Theme CSS
   Professional Blue & Amber
   ==================================== */

:root {
  --primary-color: #1565C0;
  --secondary-color: #FFA726;
  --dark-blue: #0D47A1;
  --light-blue: #42A5F5;
  --dark-amber: #F57C00;
  --light-amber: #FFD54F;
  --text-dark: #263238;
  --text-light: #546E7A;
  --white: #FFFFFF;
  --gray-light: #ECEFF1;
  --gray-medium: #CFD8DC;
  --shadow: rgba(21, 101, 192, 0.15);
  --shadow-hover: rgba(21, 101, 192, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

/* ====================================
   TYPOGRAPHY
   ==================================== */

.display-2, .display-3, .display-4, .display-5 {
  font-weight: 700 !important;
  letter-spacing: -0.5px;
  color: var(--text-dark) !important;
}

.lead {
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  line-height: 1.8 !important;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

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

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

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

.text-uppercase {
  letter-spacing: 2px;
  font-weight: 600;
}

.fs-1 { font-size: 2.5rem !important; }
.fs-4 { font-size: 1.25rem !important; }
.fs-5 { font-size: 1.1rem !important; }

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

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

/* ====================================
   NAVBAR
   ==================================== */

.navbar {
  padding: 1rem 0 !important;
  transition: var(--transition);
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.fixed-top {
  z-index: 1030;
}

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

.navbar-brand {
  font-size: 1.5rem !important;
  color: var(--white) !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
  transition: var(--transition);
  text-transform: uppercase;
}

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

.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;
  border-radius: 6px;
}

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

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

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

.navbar-nav .nav-link.active {
  color: var(--white) !important;
  background-color: rgba(255, 167, 38, 0.2) !important;
  font-weight: 600 !important;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3) !important;
  padding: 0.5rem 0.75rem !important;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 167, 38, 0.3) !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;
}

/* ====================================
   HERO SECTION
   ==================================== */

.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 50%, var(--primary-color) 100%);
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 80px;
  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"><rect fill="%231565C0" width="1200" height="600"/><g opacity="0.1"><rect fill="%23FFA726" x="100" y="100" width="200" height="300"/><rect fill="%23FFA726" x="400" y="50" width="150" height="400"/><rect fill="%23FFA726" x="700" y="150" width="180" height="250"/><rect fill="%23FFA726" x="950" y="80" width="160" height="350"/></g></svg>');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

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

.hero-section .display-2 {
  color: var(--white) !important;
  font-size: 3.5rem !important;
  font-weight: 800 !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: 1.4rem !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

.bi-chevron-down {
  animation: bounce 2s infinite;
  font-size: 2rem;
  color: var(--secondary-color) !important;
}

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

/* ====================================
   BUTTONS
   ==================================== */

.btn {
  font-weight: 600 !important;
  padding: 0.75rem 1.5rem !important;
  border-radius: 8px !important;
  transition: var(--transition);
  border: none !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  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: 1rem 2rem !important;
  font-size: 1.1rem !important;
}

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

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(21, 101, 192, 0.4);
}

.btn-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-amber) 100%) !important;
  color: var(--white) !important;
  box-shadow: 0 4px 15px rgba(255, 167, 38, 0.3);
}

.btn-warning:hover {
  background: linear-gradient(135deg, var(--dark-amber) 0%, var(--secondary-color) 100%) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 167, 38, 0.4);
}

.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, 0.3);
}

.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);
  box-shadow: 0 6px 25px rgba(21, 101, 192, 0.3);
}

/* ====================================
   CARDS
   ==================================== */

.card {
  border-radius: 12px !important;
  overflow: hidden;
  transition: var(--transition);
  border: none !important;
  box-shadow: 0 4px 20px var(--shadow) !important;
  background: var(--white);
}

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

.card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

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

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

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

.card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  border: none !important;
  padding: 1rem 1.5rem !important;
}

.card-footer {
  background-color: var(--gray-light) !important;
  border-top: 1px solid var(--gray-medium) !important;
  padding: 1rem 1.5rem !important;
}

.service-card {
  position: relative;
  height: 350px;
  perspective: 1000px;
}

.service-front,
.service-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.8s;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow);
}

.service-front {
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-light) 100%);
}

.service-back {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
  color: var(--white) !important;
  transform: rotateY(180deg);
}

.service-card:hover .service-front {
  transform: rotateY(-180deg);
}

.service-card:hover .service-back {
  transform: rotateY(0);
}

/* ====================================
   BADGES
   ==================================== */

.badge {
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  font-size: 0.875rem !important;
  letter-spacing: 0.5px;
}

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

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

/* ====================================
   FORMS
   ==================================== */

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

.form-control,
.form-select {
  border: 2px solid var(--gray-medium) !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  transition: var(--transition);
  font-size: 1rem !important;
  color: var(--text-dark) !important;
  background-color: var(--white) !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;
  outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: #dc3545 !important;
}

.invalid-feedback {
  color: #dc3545 !important;
  font-size: 0.875rem !important;
  margin-top: 0.25rem !important;
}

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

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

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15) !important;
}

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

.input-group {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
}

/* ====================================
   ALERTS
   ==================================== */

.alert {
  border-radius: 8px !important;
  border: none !important;
  padding: 1rem 1.5rem !important;
  font-weight: 500 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.alert-success {
  background-color: #D4EDDA !important;
  color: #155724 !important;
}

.alert-info {
  background-color: #D1ECF1 !important;
  color: #0C5460 !important;
}

.alert-warning {
  background-color: #FFF3CD !important;
  color: #856404 !important;
}

.alert-danger {
  background-color: #F8D7DA !important;
  color: #721C24 !important;
}

/* ====================================
   ICONS
   ==================================== */

.bi {
  vertical-align: middle;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

[class^="bi-"],
[class*=" bi-"] {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.text-white [class^="bi-"],
.text-white [class*=" bi-"] {
  color: var(--white) !important;
}

.card [class^="bi-"],
.card [class*=" bi-"] {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

/* ====================================
   SECTIONS
   ==================================== */

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

.my-4 {
  margin-top: 2.5rem !important;
  margin-bottom: 2.5rem !important;
}

.my-5 {
  margin-top: 4rem !important;
  margin-bottom: 4rem !important;
}

section {
  position: relative;
  overflow: hidden;
}

section:nth-child(even) {
  background-color: var(--gray-light);
}

/* ====================================
   IMAGES
   ==================================== */

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

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

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

.rounded-3 {
  border-radius: 12px !important;
}

.shadow {
  box-shadow: 0 4px 20px var(--shadow) !important;
}

.shadow-sm {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
}

.shadow-lg {
  box-shadow: 0 10px 40px var(--shadow-hover) !important;
}

/* ====================================
   LISTS
   ==================================== */

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

.list-unstyled li {
  padding: 0.5rem 0;
  color: var(--text-light);
}

.list-unstyled li a {
  color: var(--text-light) !important;
  text-decoration: none !important;
  transition: var(--transition);
  display: inline-block;
}

.list-unstyled li a:hover {
  color: var(--secondary-color) !important;
  transform: translateX(5px);
}

/* ====================================
   NAVIGATION PILLS
   ==================================== */

.nav-pills .nav-link {
  border-radius: 8px !important;
  padding: 0.75rem 1.5rem !important;
  color: var(--text-dark) !important;
  font-weight: 600 !important;
  transition: var(--transition);
  margin-bottom: 0.5rem;
}

.nav-pills .nav-link:hover {
  background-color: rgba(21, 101, 192, 0.1) !important;
  color: var(--primary-color) !important;
}

.nav-pills .nav-link.active {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%) !important;
  color: var(--white) !important;
}

.sticky-top {
  position: sticky !important;
  top: 80px !important;
  z-index: 1020;
}

/* ====================================
   TAB CONTENT
   ==================================== */

.tab-content {
  padding: 2rem;
  border-radius: 8px;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tab-pane {
  display: none;
}

.tab-pane.active.show {
  display: block;
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ====================================
   ACCORDION
   ==================================== */

.accordion {
  --bs-accordion-border-color: var(--gray-medium);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15);
}

.accordion-item {
  border: 1px solid var(--gray-medium) !important;
  margin-bottom: 1rem;
  border-radius: 8px !important;
  overflow: hidden;
}

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

.accordion-button {
  font-weight: 600 !important;
  color: var(--text-dark) !important;
  background-color: var(--white) !important;
  border: none !important;
  padding: 1rem 1.5rem !important;
  transition: var(--transition);
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(21, 101, 192, 0.15) !important;
}

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

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

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

.accordion-collapse {
  border-top: 1px solid var(--gray-medium);
}

/* ====================================
   TABLES
   ==================================== */

.table-responsive {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.table {
  margin-bottom: 0 !important;
  color: var(--text-dark) !important;
}

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

.table thead th {
  border: none !important;
  padding: 1rem !important;
  font-weight: 600 !important;
  color: var(--white) !important;
}

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

.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: var(--gray-medium) !important;
}

.table-bordered {
  border: 1px solid var(--gray-medium) !important;
}

/* ====================================
   RATIO (VIDEO EMBED)
   ==================================== */

.ratio {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow);
}

.ratio-16x9::before {
  padding-top: 56.25%;
}

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

/* ====================================
   MILESTONE ITEMS
   ==================================== */

.milestone-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 2rem;
}

.milestone-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-amber) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(255, 167, 38, 0.3);
}

.milestone-item [class^="bi-"] {
  position: absolute;
  left: 12px;
  top: 12px;
  color: var(--white);
  font-size: 1rem;
  z-index: 1;
}

/* ====================================
   CHAT WIDGET
   ==================================== */

.position-fixed {
  position: fixed !important;
  bottom: 20px;
  right: 20px;
  z-index: 1040;
}

.position-fixed .card {
  width: 350px;
  max-height: 500px;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ====================================
   UTILITIES
   ==================================== */

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

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

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

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

.border {
  border: 1px solid var(--gray-medium) !important;
}

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

.border-end {
  border-right: 1px solid var(--gray-medium) !important;
}

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

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

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

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

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

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

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

.flex-grow-1 {
  flex-grow: 1 !important;
}

.flex-shrink-0 {
  flex-shrink: 0 !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;
}

.justify-content-end {
  justify-content: flex-end !important;
}

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

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

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

.g-4 {
  gap: 1.5rem !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; }
.mb-0 { margin-bottom: 0 !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-md-0 { margin-bottom: 0 !important; }
.mb-lg-0 { margin-bottom: 0 !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }
.ms-auto { margin-left: auto !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !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; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.pt-3 { padding-top: 1rem !important; }
.ps-0 { padding-left: 0 !important; }
.ps-lg-5 { padding-left: 3rem !important; }
.pe-lg-5 { padding-right: 3rem !important; }

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

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

.top-0 { top: 0 !important; }
.top-50 { top: 50% !important; }
.bottom-0 { bottom: 0 !important; }
.start-0 { left: 0 !important; }
.start-50 { left: 50% !important; }
.end-0 { right: 0 !important; }

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

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

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

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

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 8px;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
  }
  
  .hero-section .display-2 {
    font-size: 2.5rem !important;
  }
  
  .hero-section .lead {
    font-size: 1.1rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.75rem !important;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .card-img-top {
    height: 200px;
  }
  
  .service-card {
    height: 300px;
  }
  
  .position-fixed .card {
    width: 300px;
  }
  
  .border-end {
    border-right: none !important;
    border-bottom: 1px solid var(--gray-medium) !important;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
  
  .text-lg-start {
    text-align: center !important;
  }
  
  .text-lg-end {
    text-align: center !important;
  }
  
  .mt-lg-0 {
    margin-top: 1rem !important;
  }
  
  .mb-lg-0 {
    margin-bottom: 1rem !important;
  }
  
  .ps-lg-5 {
    padding-left: 0 !important;
  }
  
  .pe-lg-5 {
    padding-right: 0 !important;
  }
  
  .order-lg-1 {
    order: 0 !important;
  }
  
  .order-lg-2 {
    order: 0 !important;
  }
}

@media (max-width: 767.98px) {
  .hero-section .display-2 {
    font-size: 2rem !important;
  }
  
  .hero-section .lead {
    font-size: 1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .display-5 {
    font-size: 1.5rem !important;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  .col-md-4,
  .col-md-6,
  .col-md-3 {
    margin-bottom: 1.5rem;
  }
  
  .text-md-start,
  .text-md-end {
    text-align: center !important;
  }
  
  .position-fixed {
    right: 10px;
    bottom: 10px;
  }
  
  .position-fixed .card {
    width: 280px;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    min-height: 80vh;
  }
  
  .hero-section .display-2 {
    font-size: 1.75rem !important;
  }
  
  .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .gap-3 {
    gap: 0.5rem !important;
  }
  
  .fs-1 {
    font-size: 2rem !important;
  }
  
  .service-card {
    height: 250px;
  }
  
  .milestone-item {
    padding-left: 2.5rem;
  }
  
  .milestone-item::before {
    width: 35px;
    height: 35px;
  }
  
  .milestone-item [class^="bi-"] {
    left: 10px;
    top: 10px;
  }
}

/* ====================================
   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 pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

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

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

/* ====================================
   PRINT STYLES
   ==================================== */

@media print {
  .navbar,
  .btn,
  .position-fixed,
  .sticky-top {
    display: none !important;
  }
  
  body {
    color: #000 !important;
    background: #fff !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #000 !important;
  }
}