/* ===================================
   Architecture Studio - Dynamic Red & Navy Theme
   Primary Color: #E63946 (Dynamic Red)
   Secondary Color: #1D3557 (Navy)
   =================================== */

/* ===== ROOT VARIABLES ===== */
:root {
  --primary-color: #E63946;
  --secondary-color: #1D3557;
  --accent-light: #F1FAEE;
  --accent-medium: #A8DADC;
  --dark-text: #1a1a1a;
  --light-text: #f8f9fa;
  --transition-speed: 0.3s;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

html {
  scroll-behavior: smooth;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.display-1, .display-2, .display-3, .display-4, .display-5 {
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

/* ===== NAVBAR STYLES ===== */
.navbar {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0f1f35 100%) !important;
  padding: 1rem 0;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  z-index: 1030;
}

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

.navbar-brand {
  font-size: 1.75rem !important;
  color: var(--light-text) !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
  transition: all var(--transition-speed) ease;
  text-transform: uppercase;
}

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

.navbar-dark .navbar-nav .nav-link {
  color: var(--light-text) !important;
  font-weight: 500 !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  transition: all var(--transition-speed) ease;
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

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

.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(--primary-color) !important;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(230, 57, 70, 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='%23E63946' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== BUTTONS ===== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-speed) ease !important;
  border: none !important;
  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-primary {
  background: var(--primary-color) !important;
  color: white !important;
  box-shadow: var(--box-shadow);
}

.btn-primary:hover {
  background: #d62839 !important;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-lg) !important;
}

.btn-secondary {
  background: var(--secondary-color) !important;
  color: white !important;
  box-shadow: var(--box-shadow);
}

.btn-secondary:hover {
  background: #152841 !important;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-lg) !important;
}

.btn-light {
  background: var(--light-text) !important;
  color: var(--secondary-color) !important;
  box-shadow: var(--box-shadow);
}

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

.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: white !important;
  transform: translateY(-2px);
}

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

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

.rounded-circle {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== HERO SECTION ===== */
.min-vh-100 {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0a1628 100%);
  position: relative;
  overflow: hidden;
}

.min-vh-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23E63946" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.3;
  animation: bgSlide 20s linear infinite;
}

@keyframes bgSlide {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

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

.text-white-50 {
  color: rgba(248, 249, 250, 0.5) !important;
}

/* ===== CARDS ===== */
.card {
  border: none !important;
  border-radius: 15px !important;
  overflow: hidden;
  transition: all var(--transition-speed) ease;
  background: white;
}

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

.card-body {
  padding: 2rem;
}

.card-header {
  background: var(--secondary-color) !important;
  color: white !important;
  font-weight: 600;
  padding: 1rem 1.5rem;
  border: none !important;
}

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

.card-img-top {
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* ===== TEAM CARD STYLES ===== */
.team-card {
  position: relative;
  border-radius: 15px !important;
  overflow: hidden;
  height: 400px;
  cursor: pointer;
}

.team-card img {
  transition: transform 0.5s ease;
}

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

.team-overlay {
  background: linear-gradient(to top, rgba(29, 53, 87, 0.95) 0%, rgba(29, 53, 87, 0.7) 50%, transparent 100%);
  transition: all var(--transition-speed) ease;
}

.team-info {
  background: rgba(230, 57, 70, 0.95);
  transform: translateY(100%);
  transition: transform 0.5s ease;
  opacity: 0;
}

.team-card:hover .team-info {
  transform: translateY(0);
  opacity: 1;
}

.team-card:hover .team-overlay {
  background: linear-gradient(to top, rgba(29, 53, 87, 0.98) 0%, rgba(29, 53, 87, 0.85) 70%, transparent 100%);
}

/* ===== FORM STYLES ===== */
.form-control,
.form-select {
  border: 2px solid #e0e0e0 !important;
  padding: 0.75rem 1rem !important;
  border-radius: 8px !important;
  transition: all var(--transition-speed) ease !important;
  background: white !important;
  color: var(--dark-text) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(230, 57, 70, 0.15) !important;
  transform: translateY(-2px);
}

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

.form-check-input {
  border: 2px solid var(--secondary-color) !important;
  cursor: pointer;
}

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

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

.invalid-feedback {
  display: none;
  color: var(--primary-color) !important;
  font-weight: 500;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--primary-color) !important;
}

.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

/* ===== ALERT STYLES ===== */
.alert {
  border-radius: 10px !important;
  border: none !important;
  padding: 1rem 1.5rem !important;
  font-weight: 500;
}

.alert-success {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
  color: white !important;
}

/* ===== BADGE STYLES ===== */
.badge {
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px;
  border-radius: 20px !important;
}

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

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

/* ===== ICON STYLES ===== */
.bi, .fas, .fab, .fa {
  transition: all var(--transition-speed) ease;
}

.bi-award, .bi-lightning, .bi-trophy, .bi-speedometer2,
.bi-heart-pulse, .bi-people, .bi-graph-up {
  color: var(--primary-color) !important;
  font-size: 2.5rem;
}

/* ===== PRICING BOX ===== */
.pricing-box {
  border: 3px solid var(--secondary-color) !important;
  border-radius: 15px !important;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.pricing-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(230, 57, 70, 0.1), transparent);
  transition: left 0.5s ease;
}

.pricing-box:hover::before {
  left: 100%;
}

.pricing-box:hover {
  border-color: var(--primary-color) !important;
  transform: scale(1.05);
  box-shadow: var(--box-shadow-lg);
}

/* ===== PROGRAM STYLES ===== */
.filter-btn {
  margin: 0.5rem;
  background: white !important;
  color: var(--secondary-color) !important;
  border: 2px solid var(--secondary-color) !important;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  transition: all var(--transition-speed) ease;
}

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

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.program-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.4s ease;
}

.program-card:hover {
  transform: translateY(-10px) scale(1.02);
}

.program-overview {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0f1f35 100%);
  color: white !important;
  padding: 1rem;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.program-details {
  padding: 1.5rem;
}

/* ===== CAROUSEL STYLES ===== */
.carousel {
  border-radius: 15px;
  overflow: hidden;
}

.carousel-inner {
  border-radius: 15px;
}

.carousel-item {
  transition: transform 0.6s ease-in-out;
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary-color) !important;
  border-radius: 50%;
  opacity: 0.8 !important;
  transition: all var(--transition-speed) ease;
}

.carousel-control-prev {
  left: 20px;
}

.carousel-control-next {
  right: 20px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1 !important;
  transform: translateY(-50%) scale(1.1);
}

/* ===== ACCORDION STYLES ===== */
.accordion {
  border-radius: 15px;
  overflow: hidden;
}

.accordion-item {
  border: none !important;
  margin-bottom: 1rem;
  border-radius: 10px !important;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

.accordion-button {
  background: var(--secondary-color) !important;
  color: white !important;
  font-weight: 600 !important;
  padding: 1.25rem 1.5rem;
  border: none !important;
  transition: all var(--transition-speed) ease;
}

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

.accordion-button:hover {
  background: var(--primary-color) !important;
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(230, 57, 70, 0.25) !important;
  border: none !important;
}

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

/* ===== SCHEDULE GRID ===== */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  padding: 2rem 0;
}

.schedule-slot {
  background: white;
  border: 2px solid var(--secondary-color);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.schedule-slot:hover {
  background: var(--primary-color);
  color: white !important;
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-lg);
  border-color: var(--primary-color);
}

.schedule-slot.Early,
.schedule-slot.Riser {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
}

.schedule-slot.Morning,
.schedule-slot.Burn {
  background: linear-gradient(135deg, #d1ecf1 0%, #a8dadc 100%);
}

.schedule-slot.Lunch,
.schedule-slot.Hour {
  background: linear-gradient(135deg, #f8d7da 0%, #ffb3ba 100%);
}

.schedule-slot.After,
.schedule-slot.Work {
  background: linear-gradient(135deg, #d4edda 0%, #b8e994 100%);
}

.schedule-slot.Evening,
.schedule-slot.Night {
  background: linear-gradient(135deg, #d1d1e0 0%, #c7ceea 100%);
}

/* ===== MODAL STYLES ===== */
.modal-content {
  border: none !important;
  border-radius: 15px !important;
  overflow: hidden;
}

.modal-header {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0f1f35 100%) !important;
  color: white !important;
  border: none !important;
  padding: 1.5rem;
}

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

.modal-body {
  padding: 2rem;
}

.btn-close {
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.btn-close:hover {
  opacity: 1;
}

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

/* ===== SOCIAL MEDIA BUTTONS ===== */
.position-fixed {
  z-index: 1020;
}

.fab, .fa-facebook-f, .fa-instagram, .fa-twitter, .fa-youtube,
.fa-facebook, .fa-lg {
  transition: all var(--transition-speed) ease;
}

.btn.rounded-circle:hover {
  transform: translateY(-5px) rotate(360deg);
}

/* ===== FOOTER STYLES ===== */
footer {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0a1628 100%);
  color: var(--light-text) !important;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-medium) 50%, var(--primary-color) 100%);
}

footer a {
  color: var(--light-text) !important;
  text-decoration: none !important;
  transition: all var(--transition-speed) ease;
  display: inline-block;
}

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

footer .h6 {
  color: var(--primary-color) !important;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

footer .list-unstyled li {
  margin-bottom: 0.5rem;
}

/* ===== UTILITY CLASSES ===== */
.text-muted {
  color: #6c757d !important;
}

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

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

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

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

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

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

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

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

.border-top {
  border-top: 2px solid rgba(230, 57, 70, 0.2) !important;
}

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

.shadow-sm {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08) !important;
}

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

.rounded {
  border-radius: 10px !important;
}

.img-fluid {
  max-width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}

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

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

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

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

/* ===== RATIO (VIDEO EMBED) ===== */
.ratio {
  position: relative;
  width: 100%;
}

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

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

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

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

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

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

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

.animate-fade-in-left {
  animation: fadeInLeft 1s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 1s ease-out;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(29, 53, 87, 0.98);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    box-shadow: var(--box-shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem !important;
  }
  
  .navbar-dark .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    border-radius: 5px;
  }
  
  .navbar-dark .navbar-nav .nav-link::after {
    display: none;
  }
  
  .navbar-dark .navbar-nav .nav-link:hover,
  .navbar-dark .navbar-nav .nav-link.active {
    background: var(--primary-color);
    transform: translateX(5px);
  }
  
  .display-1 {
    font-size: 3rem !important;
  }
  
  .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;
  }
  
  .btn-lg {
    padding: 0.75rem 2rem !important;
  }
  
  .schedule-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .program-grid {
    grid-template-columns: 1fr;
  }
  
  .team-card {
    height: 350px;
  }
}

@media (max-width: 767.98px) {
  .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .px-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .schedule-grid {
    grid-template-columns: 1fr;
  }
  
  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }
  
  .carousel-control-prev {
    left: 10px;
  }
  
  .carousel-control-next {
    right: 10px;
  }
  
  .sticky-top {
    top: 70px;
  }
}

@media (max-width: 575.98px) {
  .display-1 {
    font-size: 2.5rem !important;
  }
  
  .display-2 {
    font-size: 2rem !important;
  }
  
  .display-3 {
    font-size: 1.75rem !important;
  }
  
  .display-4 {
    font-size: 1.5rem !important;
  }
  
  .display-5 {
    font-size: 1.25rem !important;
  }
  
  .btn-lg {
    padding: 0.65rem 1.5rem !important;
    font-size: 1rem !important;
  }
  
  .lead {
    font-size: 1rem;
  }
  
  .team-card {
    height: 300px;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
  
  .gap-4 {
    gap: 1rem !important;
  }
}

/* ===== LOADING ANIMATION ===== */
.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(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color) !important;
  color: white !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
  z-index: 1000;
  box-shadow: var(--box-shadow-lg);
}

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

.scroll-to-top:hover {
  background: var(--secondary-color) !important;
  transform: translateY(-5px);
}

/* ===== PRELOADER ===== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--secondary-color) 0%, #0a1628 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
}

.preloader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .btn,
  .modal,
  .position-fixed,
  footer {
    display: none !important;
  }
  
  body {
    color: #000 !important;
    background: #fff !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #000 !important;
  }
}