/* ====================================
   Architectural Studio Theme CSS
   Bastion Red & Fortress Black
   ==================================== */

/* ========== ROOT VARIABLES ========== */
:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --accent-color: #FF5252;
  --dark-bg: #0D0D0D;
  --light-text: #F5F5F5;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 40px rgba(211, 47, 47, 0.2);
  --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

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

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--secondary-color) !important;
  color: var(--light-text) !important;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 800 !important;
  letter-spacing: -2px;
  color: var(--light-text) !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: rgba(245, 245, 245, 0.9) !important;
}

.h4, h4 {
  color: var(--light-text) !important;
  font-weight: 600;
}

.text-white-50 {
  color: rgba(245, 245, 245, 0.65) !important;
}

.text-muted {
  color: rgba(245, 245, 245, 0.5) !important;
}

/* ========== NAVBAR STYLES ========== */
.navbar {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  padding: 1rem 0;
  transition: var(--transition);
  z-index: 1030;
}

.navbar.fixed-top {
  border-bottom: 2px solid var(--primary-color);
}

.navbar-brand {
  color: var(--light-text) !important;
  font-size: 1.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary-color);
  transition: var(--transition);
}

.navbar-brand:hover::after {
  width: 100%;
}

.navbar-brand.fw-bold {
  font-weight: 900 !important;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 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='%23D32F2F' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-nav {
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--light-text) !important;
  font-weight: 500;
  padding: 0.5rem 1.25rem !important;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.nav-link.active {
  font-weight: 700;
}

/* ========== HERO SECTION ========== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 50%, #1a1a1a 100%);
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(211, 47, 47, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(211, 47, 47, 0.15) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-section .position-absolute {
  z-index: 1;
}

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

.hero-section .display-1 {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 2rem !important;
  animation: fadeInUp 1s ease-out;
  background: linear-gradient(135deg, var(--light-text) 0%, rgba(211, 47, 47, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section .display-6 {
  color: var(--primary-color) !important;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-section .lead {
  font-size: clamp(1rem, 2vw, 1.5rem);
  animation: fadeInUp 1s ease-out 0.4s both;
  max-width: 90%;
}

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

/* ========== BUTTONS ========== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  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-lg {
  background: var(--primary-color) !important;
  color: white !important;
  box-shadow: var(--shadow);
  padding: 1rem 3rem !important;
}

.btn-lg:hover {
  background: #B71C1C !important;
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(211, 47, 47, 0.4);
}

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

.btn-outline-light:hover {
  background: var(--light-text) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(245, 245, 245, 0.3);
}

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

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

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

.btn-outline-dark:hover {
  background: var(--secondary-color) !important;
  color: white !important;
}

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

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

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

/* ========== SECTIONS ========== */
.py-5 {
  padding: 5rem 0 !important;
  position: relative;
}

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

/* ========== IMAGE STYLES ========== */
.img-fluid {
  border-radius: 0.5rem;
  box-shadow: var(--shadow-dark);
  transition: var(--transition);
  max-width: 100%;
  height: auto;
}

.img-fluid:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(211, 47, 47, 0.3);
}

.rounded {
  border-radius: 0.5rem !important;
}

/* ========== ICONS ========== */
.bi {
  vertical-align: middle;
}

.bi-lightning-charge-fill,
.bi-bar-chart-fill,
.bi-shield-fill-check,
.bi-person-fill-gear,
.bi-flag-fill,
.bi-heart-pulse-fill {
  font-size: 3rem;
  color: var(--primary-color) !important;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.p-4:hover .bi {
  transform: scale(1.2) rotate(5deg);
  color: var(--accent-color) !important;
}

.bi-star-fill {
  color: #FFB300 !important;
  font-size: 1.2rem;
}

.bi-lightning-fill,
.bi-bullseye,
.bi-gear-fill,
.bi-trophy-fill {
  color: var(--primary-color) !important;
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

/* ========== CARDS ========== */
.card {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--secondary-color) 100%) !important;
  border: 1px solid rgba(211, 47, 47, 0.3) !important;
  border-radius: 0.75rem !important;
  transition: var(--transition);
  overflow: hidden;
  color: var(--light-text) !important;
}

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

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

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

.shadow-sm {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
}

.shadow {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4) !important;
}

/* ========== PROGRESS BARS ========== */
.progress {
  height: 1.5rem !important;
  background-color: rgba(245, 245, 245, 0.1) !important;
  border-radius: 0.75rem;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%) !important;
  transition: width 1.5s ease-in-out;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== BORDERS ========== */
.border-bottom {
  border-bottom: 1px solid !important;
}

.border-white-50 {
  border-color: rgba(245, 245, 245, 0.3) !important;
}

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

/* ========== FOOTER ========== */
footer {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #000000 100%) !important;
  color: var(--light-text) !important;
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--primary-color);
}

footer a {
  color: rgba(245, 245, 245, 0.7) !important;
  text-decoration: none !important;
  transition: var(--transition);
}

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

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

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

.bi-facebook,
.bi-instagram,
.bi-youtube,
.bi-twitter-x {
  font-size: 1.5rem;
  color: var(--light-text) !important;
  transition: var(--transition);
  margin: 0 0.75rem;
}

.bi-facebook:hover { color: #1877F2 !important; transform: scale(1.3); }
.bi-instagram:hover { color: #E4405F !important; transform: scale(1.3); }
.bi-youtube:hover { color: #FF0000 !important; transform: scale(1.3); }
.bi-twitter-x:hover { color: var(--primary-color) !important; transform: scale(1.3); }

/* ========== MODAL ========== */
.modal-content {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%) !important;
  border: 2px solid var(--primary-color) !important;
  border-radius: 1rem !important;
  color: var(--light-text) !important;
}

.modal-header {
  border-bottom: 1px solid rgba(211, 47, 47, 0.3) !important;
  padding: 1.5rem;
}

.modal-body {
  padding: 2rem;
}

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

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

.btn-close-white {
  filter: invert(1) brightness(2);
}

/* ========== FORMS ========== */
.form-control,
.form-select {
  background-color: rgba(245, 245, 245, 0.05) !important;
  border: 2px solid rgba(245, 245, 245, 0.2) !important;
  color: var(--light-text) !important;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  background-color: rgba(245, 245, 245, 0.1) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
  color: var(--light-text) !important;
}

.form-control::placeholder {
  color: rgba(245, 245, 245, 0.5) !important;
}

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

.invalid-feedback {
  color: #FF5252 !important;
  font-weight: 500;
}

.valid-feedback {
  color: #4CAF50 !important;
  font-weight: 500;
}

.form-select-sm {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

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

.bg-warning {
  background-color: #FFB300 !important;
  color: var(--secondary-color) !important;
}

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

.bg-success {
  background-color: #4CAF50 !important;
  color: white !important;
}

.bg-info {
  background-color: #00BCD4 !important;
  color: white !important;
}

.bg-secondary {
  background-color: #757575 !important;
  color: white !important;
}

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

/* ========== ACCORDION ========== */
.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-color: rgba(211, 47, 47, 0.3);
}

.accordion-item {
  background-color: rgba(33, 33, 33, 0.5) !important;
  border: 1px solid rgba(211, 47, 47, 0.3) !important;
  margin-bottom: 1rem;
  border-radius: 0.5rem !important;
  overflow: hidden;
}

.accordion-button {
  background-color: rgba(33, 33, 33, 0.8) !important;
  color: var(--light-text) !important;
  font-weight: 600;
  padding: 1.25rem;
  transition: var(--transition);
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25);
  border-color: var(--primary-color);
}

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

.accordion-body {
  background-color: rgba(26, 26, 26, 0.9) !important;
  color: rgba(245, 245, 245, 0.9) !important;
  padding: 1.5rem;
}

/* ========== UTILITY CLASSES ========== */
.position-sticky {
  position: sticky !important;
  top: 100px;
}

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

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

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

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

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

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

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

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

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

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

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

.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

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

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

.d-none {
  display: none !important;
}

/* ========== PROGRAM CARDS ========== */
.program-card {
  height: 400px;
  perspective: 1000px;
  cursor: pointer;
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.6s;
  border-radius: 0.75rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-front {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%);
  border: 2px solid rgba(211, 47, 47, 0.3);
}

.card-back {
  background: linear-gradient(135deg, var(--primary-color) 0%, #B71C1C 100%);
  transform: rotateY(180deg);
}

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

.program-card:hover .card-back {
  transform: rotateY(360deg);
}

/* ========== SCHEDULE GRID ========== */
.schedule-grid {
  display: grid;
  grid-template-columns: 80px repeat(7, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.schedule-header {
  background: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  border-radius: 0.5rem;
}

.time-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--light-text);
  padding: 0.5rem;
}

.class-card {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%);
  border: 2px solid rgba(211, 47, 47, 0.3);
  border-radius: 0.5rem;
  padding: 1rem;
  transition: var(--transition);
  cursor: pointer;
}

.class-card:hover {
  transform: scale(1.05);
  border-color: var(--primary-color);
  box-shadow: var(--shadow);
}

.class-card.hiit {
  border-left: 4px solid #FF5252;
}

.class-card.strength {
  border-left: 4px solid #4CAF50;
}

.class-card.endurance {
  border-left: 4px solid #2196F3;
}

.class-card.combat {
  border-left: 4px solid #FF9800;
}

.class-card.recovery {
  border-left: 4px solid #9C27B0;
}

.empty-slot {
  background: rgba(245, 245, 245, 0.03);
  border: 1px dashed rgba(245, 245, 245, 0.2);
  border-radius: 0.5rem;
}

.capacity-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(245, 245, 245, 0.7);
}

.instructor-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
}

/* ========== FILTER BUTTONS ========== */
.filter-btn {
  transition: var(--transition);
}

.filter-btn.active {
  background: var(--primary-color) !important;
  color: white !important;
  border-color: var(--primary-color) !important;
}

.btn-group .btn {
  margin: 0 0.25rem;
}

/* ========== PRIVACY CONTENT ========== */
.privacy-content {
  padding: 2rem;
  background: rgba(245, 245, 245, 0.05);
  border-radius: 0.75rem;
  border: 1px solid rgba(211, 47, 47, 0.2);
}

.privacy-content h2,
.privacy-content h3,
.privacy-content h4 {
  color: var(--primary-color) !important;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.privacy-content p {
  color: rgba(245, 245, 245, 0.8) !important;
  line-height: 1.8;
}

/* ========== NAV TABS ========== */
.nav {
  border-bottom: 2px solid rgba(211, 47, 47, 0.3);
}

.nav .nav-link {
  color: rgba(245, 245, 245, 0.7) !important;
  border: none !important;
  padding: 1rem 1.5rem !important;
}

.nav .nav-link.active {
  color: var(--primary-color) !important;
  background: transparent !important;
  border-bottom: 3px solid var(--primary-color) !important;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
  .schedule-grid {
    grid-template-columns: 60px repeat(7, 1fr);
  }
}

@media (max-width: 992px) {
  .navbar-collapse {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%);
    padding: 1.5rem;
    margin-top: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--primary-color);
  }
  
  .navbar-nav {
    gap: 0;
  }
  
  .nav-link {
    padding: 1rem !important;
    border-bottom: 1px solid rgba(245, 245, 245, 0.1);
  }
  
  .display-1 {
    font-size: 3rem !important;
  }
  
  .hero-section {
    padding: 100px 0 60px;
  }
  
  .schedule-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .schedule-header,
  .time-slot {
    display: none;
  }
  
  .class-card {
    display: block;
  }
  
  .d-lg-block {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .px-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem !important;
    font-size: 1rem;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
  
  footer {
    text-align: center;
  }
  
  .text-md-start,
  .text-md-end {
    text-align: center !important;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 80px 0 40px;
  }
  
  .display-1 {
    font-size: 2rem !important;
  }
  
  .display-6 {
    font-size: 1.25rem !important;
  }
  
  .lead {
    font-size: 1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    width: 100%;
    margin-bottom: 0.75rem;
  }
  
  .gap-3 {
    gap: 0.5rem !important;
  }
  
  .program-card {
    height: 350px;
  }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

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

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

::-webkit-scrollbar-track {
  background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: #B71C1C;
}

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

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

/* ========== HOVER EFFECTS ========== */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

/* ========== 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;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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