/* ==========================================
   ARCHITECTURAL STUDIO WEBSITE - CSS
   Theme: Deep Blue & Amber
   ========================================== */

/* ========== ROOT VARIABLES ========== */
:root {
  --primary-color: #1565C0;
  --secondary-color: #FFA000;
  --dark-blue: #0D47A1;
  --light-blue: #42A5F5;
  --amber-light: #FFB300;
  --amber-dark: #FF8F00;
  --white: #FFFFFF;
  --light-gray: #F5F5F5;
  --medium-gray: #9E9E9E;
  --dark-gray: #424242;
  --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-speed: 0.3s;
  --border-radius: 8px;
}

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

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

html {
  scroll-behavior: smooth;
}

/* ========== TYPOGRAPHY ========== */
.display-2, .display-3, .display-4, .display-5 {
  font-weight: 700 !important;
  letter-spacing: -1px;
  color: var(--dark-blue) !important;
}

.text-white.display-2,
.text-white.display-3,
.text-white.display-4,
.text-white.display-5 {
  color: var(--white) !important;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  opacity: 0.95;
}

h4, .h4, h5, .h5 {
  color: var(--dark-blue) !important;
  font-weight: 600;
}

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

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

/* ========== NAVBAR ========== */
.navbar {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%) !important;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
  z-index: 1000;
}

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

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

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

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

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

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

.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;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 160, 0, 0.5) !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 {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 50%, #1976D2 100%);
  min-height: 90vh;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.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 1440 320"><path fill="rgba(255,160,0,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  opacity: 0.3;
}

.gear-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.gear-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.gear-container .bi {
  position: absolute;
  color: rgba(255, 160, 0, 0.1);
  font-size: 150px;
  animation: rotateGear 20s linear infinite;
}

.gear-container .bi:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-duration: 25s;
}

.gear-container .bi:nth-child(2) {
  top: 60%;
  right: 15%;
  animation-duration: 30s;
  animation-direction: reverse;
}

.gear-container .bi:nth-child(3) {
  bottom: 15%;
  left: 20%;
  font-size: 100px;
  animation-duration: 20s;
}

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

.hero-section .text-white {
  color: var(--white) !important;
  position: relative;
  z-index: 2;
}

.hero-section .display-2 {
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.95) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 1.2s ease;
}

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

/* ========== BUTTONS ========== */
.btn {
  font-weight: 600 !important;
  border-radius: var(--border-radius) !important;
  transition: all var(--transition-speed) ease !important;
  border-width: 2px !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, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

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

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

.btn-outline-light:hover {
  color: var(--primary-color) !important;
  background-color: var(--white) !important;
  border-color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3) !important;
}

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

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

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

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

/* Primary Button with Amber */
.btn-primary {
  color: var(--white) !important;
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

.btn-primary:hover {
  background-color: var(--amber-dark) !important;
  border-color: var(--amber-dark) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 160, 0, 0.4) !important;
}

/* ========== CARDS ========== */
.service-card {
  background-color: var(--white) !important;
  border-radius: var(--border-radius) !important;
  transition: all var(--transition-speed) ease;
  border: 2px solid transparent;
  height: 100%;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--secondary-color);
}

.card {
  border-radius: var(--border-radius) !important;
  border: none !important;
  overflow: hidden;
  transition: all var(--transition-speed) ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg) !important;
}

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

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

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

.card-header {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  border: none !important;
}

/* ========== ICON STYLES ========== */
.icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.icon-circle {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--light-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white) !important;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
}

.service-card:hover .icon-circle {
  background: linear-gradient(135deg, var(--secondary-color), var(--amber-light));
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 6px 20px rgba(255, 160, 0, 0.4);
}

.bi {
  color: inherit;
  vertical-align: middle;
}

/* Icon Colors */
.text-primary .bi {
  color: var(--primary-color) !important;
}

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

/* ========== BADGE ========== */
.badge {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1rem !important;
  border-radius: 20px !important;
  font-size: 0.85rem !important;
}

.rounded-pill {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  padding: 0.75rem 1.5rem !important;
}

/* ========== TIMELINE ========== */
.timeline-container {
  position: relative;
  padding-left: 2rem;
}

.timeline-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 3rem;
  animation: fadeInLeft 0.8s ease;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-dot {
  position: absolute;
  left: -0.6rem;
  top: 0;
  width: 20px;
  height: 20px;
  background-color: var(--secondary-color);
  border: 4px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 160, 0, 0.2);
  z-index: 2;
}

.timeline-year {
  color: var(--primary-color) !important;
  font-weight: 700 !important;
  font-size: 1.5rem !important;
  margin-bottom: 0.5rem;
}

/* ========== SPECIALTIES ========== */
.specialties {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
  transition: all var(--transition-speed) ease;
}

.specialties:hover {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateX(10px);
}

.specialties .flex-shrink-0 {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--light-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white) !important;
  font-size: 1.5rem;
}

/* ========== FORMS ========== */
.form-floating {
  margin-bottom: 1.5rem;
}

.form-control {
  border: 2px solid #E0E0E0 !important;
  border-radius: var(--border-radius) !important;
  padding: 1rem !important;
  transition: all var(--transition-speed) ease !important;
  background-color: var(--white) !important;
  color: var(--dark-gray) !important;
}

.form-control:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(21, 101, 192, 0.25) !important;
  background-color: var(--white) !important;
}

.form-select {
  border: 2px solid #E0E0E0 !important;
  border-radius: var(--border-radius) !important;
  padding: 1rem !important;
  transition: all var(--transition-speed) ease !important;
  background-color: var(--white) !important;
  color: var(--dark-gray) !important;
}

.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(21, 101, 192, 0.25) !important;
}

.form-floating > label {
  color: var(--medium-gray) !important;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  color: var(--primary-color) !important;
}

/* ========== ACCORDION ========== */
.accordion-item {
  border: 2px solid #E0E0E0 !important;
  border-radius: var(--border-radius) !important;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header {
  margin: 0;
}

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

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(21, 101, 192, 0.25) !important;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231565C0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFFFFF'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

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

/* ========== LIST GROUP ========== */
.list-group-item {
  border: 1px solid #E0E0E0 !important;
  color: var(--dark-gray) !important;
  transition: all var(--transition-speed) ease !important;
}

.list-group-item-action:hover {
  background-color: var(--light-gray) !important;
  border-left: 4px solid var(--primary-color) !important;
  padding-left: calc(1rem - 3px) !important;
}

.list-group-item-action.active {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
}

/* ========== TABLE ========== */
.table {
  color: var(--dark-gray) !important;
}

.table-hover tbody tr {
  transition: all var(--transition-speed) ease !important;
}

.table-hover tbody tr:hover {
  background-color: rgba(21, 101, 192, 0.05) !important;
  transform: scale(1.01);
}

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

/* ========== ALERT ========== */
.alert {
  border-radius: var(--border-radius) !important;
  border: none !important;
  padding: 1.25rem !important;
  box-shadow: var(--shadow-sm);
}

.alert .bi {
  font-size: 1.5rem;
  margin-right: 1rem;
}

/* ========== GALLERY ========== */
.masonry-grid {
  column-count: 3;
  column-gap: 1.5rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
  filter: brightness(0.8);
}

.gallery-item::after {
  content: '\F52A';
  font-family: 'bootstrap-icons';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  font-size: 3rem;
  color: var(--white);
  transition: all var(--transition-speed) ease;
  pointer-events: none;
}

.gallery-item:hover::after {
  transform: translate(-50%, -50%) scale(1);
}

/* ========== FILTER BUTTONS ========== */
.filter-btn {
  padding: 0.75rem 1.5rem !important;
  margin: 0.5rem !important;
  border: 2px solid var(--primary-color) !important;
  background-color: transparent !important;
  color: var(--primary-color) !important;
  border-radius: 25px !important;
  font-weight: 600 !important;
  transition: all var(--transition-speed) ease !important;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========== MODAL ========== */
.modal-content {
  border-radius: var(--border-radius) !important;
  border: none !important;
  overflow: hidden;
}

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

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

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

.modal-dialog-centered {
  display: flex;
  align-items: center;
  min-height: calc(100% - 3.5rem);
}

/* ========== FOOTER ========== */
footer {
  background: linear-gradient(135deg, var(--dark-blue), var(--primary-color));
  color: var(--white) !important;
  padding: 3rem 0 1rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none !important;
  transition: all var(--transition-speed) ease !important;
}

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

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

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

.list-unstyled li {
  margin-bottom: 0.75rem;
}

/* ========== UTILITY CLASSES ========== */
.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

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

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

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

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

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

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

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

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

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

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

/* ========== SECTION BACKGROUNDS ========== */
.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

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

section {
  position: relative;
  overflow: hidden;
}

section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(21, 101, 192, 0.05), transparent);
  border-radius: 50%;
  pointer-events: none;
}

/* ========== SERVICE ITEMS ========== */
.service-item {
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  border-left: 4px solid transparent;
}

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

.service-item .bi {
  font-size: 2.5rem;
  color: var(--primary-color) !important;
  margin-bottom: 1rem;
}

.service-item:hover .bi {
  color: var(--secondary-color) !important;
  transform: scale(1.1);
}

/* ========== IMAGE STYLES ========== */
.img-fluid {
  max-width: 100%;
  height: auto;
  transition: all var(--transition-speed) ease;
}

.rounded {
  border-radius: var(--border-radius) !important;
}

.object-fit-cover {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

/* ========== CONTACT INFO ========== */
.gap-2 {
  gap: 0.5rem !important;
}

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

.gap-4 {
  gap: 1.5rem !important;
}

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

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ========== SCROLL EFFECTS ========== */
.scroll-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.scroll-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Extra Small Devices (phones, less than 576px) */
@media (max-width: 575.98px) {
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .display-5 {
    font-size: 1.5rem !important;
  }
  
  .hero-section {
    min-height: 70vh;
    padding: 80px 0 40px;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem !important;
  }
  
  .masonry-grid {
    column-count: 1;
  }
  
  .gear-container .bi {
    font-size: 80px !important;
  }
  
  .navbar-nav {
    text-align: center;
    padding: 1rem 0;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .timeline-item {
    padding-left: 2rem;
  }
  
  .icon-circle {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
  .display-2 {
    font-size: 3rem !important;
  }
  
  .masonry-grid {
    column-count: 2;
  }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .display-2 {
    font-size: 3.5rem !important;
  }
  
  .masonry-grid {
    column-count: 2;
  }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .navbar-expand-lg .navbar-nav .nav-link {
    padding: 0.5rem 1rem !important;
  }
  
  .sticky-lg-top {
    position: sticky !important;
    top: 1rem !important;
    z-index: 1020;
  }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  .navbar,
  .btn,
  footer,
  .modal {
    display: none !important;
  }
  
  body {
    color: #000 !important;
    background: #fff !important;
  }
}

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

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

/* ========== LOADING STATES ========== */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 3px solid var(--light-gray);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

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

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

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

/* ========== BACK TO TOP BUTTON ========== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--light-blue));
  color: var(--white) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
}

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

.back-to-top:hover {
  background: linear-gradient(135deg, var(--secondary-color), var(--amber-light));
  transform: translateY(-5px);
}

/* ========== END OF STYLES ========== */