/* Crimson Steel Architecture Studio - Custom Styles */

:root {
  --primary-color: #D32F2F;
  --secondary-color: #263238;
  --primary-dark: #B71C1C;
  --secondary-light: #37474F;
  --light-gray: #ECEFF1;
  --dark-gray: #455A64;
  --white: #FFFFFF;
  --black: #000000;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Navigation Styles */
.navbar {
  background-color: var(--secondary-color) !important;
  padding: 1rem 0;
  transition: var(--transition);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

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

.navbar-brand {
  font-size: 1.75rem;
  color: var(--white) !important;
  letter-spacing: 1px;
  transition: var(--transition);
}

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

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

.navbar-toggler {
  border-color: var(--primary-color) !important;
  background-color: var(--primary-color) !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(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-nav .nav-link {
  color: var(--light-gray) !important;
  font-weight: 500;
  padding: 0.5rem 1.2rem !important;
  transition: var(--transition);
  position: relative;
}

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

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

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

.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  font-weight: 600;
}

/* Hero Video Section */
.hero-video-section {
  min-height: 100vh;
  background-color: var(--secondary-color);
}

.video-background {
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
  filter: grayscale(20%);
}

.hero-overlay {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.1) 0%, rgba(38, 50, 56, 0.9) 100%);
}

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

.display-1 {
  font-size: clamp(2.5rem, 5vw, 5rem) !important;
  font-weight: 800 !important;
  line-height: 1.2 !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out;
}

.display-3 {
  font-size: clamp(2rem, 4vw, 3.5rem) !important;
  font-weight: 700 !important;
}

.display-4 {
  font-size: clamp(1.75rem, 3vw, 2.5rem) !important;
  font-weight: 700 !important;
}

.display-5 {
  font-size: clamp(1.5rem, 2.5vw, 2rem) !important;
  font-weight: 600 !important;
}

.display-6 {
  font-size: clamp(1.25rem, 2vw, 1.5rem) !important;
  font-weight: 600 !important;
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.35rem) !important;
  font-weight: 400;
  line-height: 1.6;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1.2s ease-out;
}

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

/* Buttons */
.btn {
  border-radius: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border-width: 2px !important;
}

.btn-lg {
  padding: 0.8rem 2rem !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 {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(211, 47, 47, 0.4) !important;
}

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

.btn-light:hover {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(211, 47, 47, 0.4) !important;
}

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

.btn-outline-dark:hover {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(211, 47, 47, 0.3) !important;
}

.px-5 {
  padding-left: 3rem !important;
  padding-right: 3rem !important;
}

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

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

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

.gap-1 {
  gap: 0.25rem !important;
}

/* Badge */
.badge {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  letter-spacing: 1px;
}

/* Cards */
.card {
  border: none !important;
  border-radius: 12px;
  transition: var(--transition);
  overflow: hidden;
  background-color: var(--white);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15) !important;
}

.card-body {
  padding: 2rem;
}

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

.card-text {
  color: var(--dark-gray) !important;
  line-height: 1.7;
}

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

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

.shadow {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.shadow-sm {
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow-lg {
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

/* Icons */
.bi {
  display: inline-block;
  vertical-align: middle;
}

.rounded-circle {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white) !important;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.py-4 {
  padding-top: 2rem !important;
  padding-bottom: 2rem !important;
}

.pt-5 {
  padding-top: 4rem !important;
}

.pb-3 {
  padding-bottom: 1.5rem !important;
}

.pb-4 {
  padding-bottom: 2rem !important;
}

.p-2 {
  padding: 0.5rem !important;
}

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

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

.p-5 {
  padding: 3rem !important;
}

.px-0 {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.px-3 {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.px-4 {
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

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

.ps-lg-5 {
  padding-left: 3rem !important;
}

.pe-lg-4 {
  padding-right: 1.5rem !important;
}

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

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

.mb-1 {
  margin-bottom: 0.25rem !important;
}

.mb-2 {
  margin-bottom: 0.5rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

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

.mb-5 {
  margin-bottom: 3rem !important;
}

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

.mb-md-0 {
  margin-bottom: 0 !important;
}

.mt-1 {
  margin-top: 0.25rem !important;
}

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

.mt-5 {
  margin-top: 3rem !important;
}

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

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

.my-5 {
  margin-top: 3rem !important;
  margin-bottom: 3rem !important;
}

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

.me-2 {
  margin-right: 0.5rem !important;
}

.me-3 {
  margin-right: 1rem !important;
}

.ms-3 {
  margin-left: 1rem !important;
}

.ms-4 {
  margin-left: 1.5rem !important;
}

.ms-auto {
  margin-left: auto !important;
}

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

/* Text Utilities */
.text-center {
  text-align: center !important;
}

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

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

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

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

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

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

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

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

.fs-4 {
  font-size: 1.5rem !important;
}

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

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

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

/* Border Utilities */
.border-0 {
  border: 0 !important;
}

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

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

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

.rounded {
  border-radius: 0.375rem !important;
}

/* Position Utilities */
.position-relative {
  position: relative !important;
}

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

.position-fixed {
  position: fixed !important;
  z-index: 1030;
}

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

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

.fixed-top {
  position: fixed !important;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
}

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

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

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

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

.end-0 {
  right: 20px !important;
  bottom: 20px !important;
}

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

/* Display Utilities */
.d-flex {
  display: flex !important;
}

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

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

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

/* Size Utilities */
.w-100 {
  width: 100% !important;
}

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

/* Overflow */
.overflow-hidden {
  overflow: hidden !important;
}

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

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

/* List */
.list-unstyled {
  list-style: none;
  padding-left: 0;
}

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

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

.list-unstyled a:hover {
  color: var(--primary-color) !important;
  padding-left: 5px;
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid var(--light-gray) !important;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25) !important;
  outline: none;
}

.form-control-lg,
.form-select-lg {
  padding: 1rem 1.25rem;
  font-size: 1.1rem;
}

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

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

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

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

/* Schedule Item */
.schedule-item {
  background-color: var(--white);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  transition: var(--transition);
}

.schedule-item:hover {
  background-color: var(--light-gray);
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Filter Buttons */
.filter-btn {
  background-color: var(--light-gray) !important;
  color: var(--secondary-color) !important;
  border: 2px solid transparent !important;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(211, 47, 47, 0.3);
}

/* Class Item */
.class-item {
  transition: var(--transition);
  cursor: pointer;
}

.class-item:hover {
  transform: scale(1.02);
}

/* Accordion */
.accordion {
  --bs-accordion-border-color: var(--light-gray);
  --bs-accordion-bg: var(--white);
}

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

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

.accordion-button {
  background-color: var(--light-gray) !important;
  color: var(--secondary-color) !important;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1.25rem 1.5rem;
  border: none;
  transition: var(--transition);
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25) !important;
  border-color: var(--primary-color) !important;
}

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

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

.accordion-body {
  padding: 1.5rem;
  background-color: var(--white) !important;
  color: var(--dark-gray) !important;
  line-height: 1.7;
}

.accordion-collapse {
  border: none !important;
}

/* Carousel */
.carousel {
  position: relative;
}

.carousel-indicators {
  margin-bottom: 2rem;
}

.carousel-indicators [data-bs-target] {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--white);
  border: 2px solid var(--primary-color);
  opacity: 0.5;
  transition: var(--transition);
}

.carousel-indicators .active {
  background-color: var(--primary-color);
  opacity: 1;
}

.carousel-inner {
  border-radius: 12px;
  overflow: hidden;
}

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

.carousel-item img {
  height: 500px;
  object-fit: cover;
}

/* Table */
.table-responsive {
  border-radius: 8px;
  overflow: hidden;
}

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

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

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

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  color: var(--secondary-color) !important;
}

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

.table-bordered td,
.table-bordered th {
  border: 1px solid var(--light-gray) !important;
}

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

.table-hover tbody tr:hover {
  background-color: rgba(211, 47, 47, 0.05) !important;
}

/* Ratio */
.ratio {
  position: relative;
  width: 100%;
}

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

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

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

/* Footer */
footer {
  background-color: var(--secondary-color) !important;
  color: var(--light-gray) !important;
  padding: 3rem 0 1rem;
}

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

footer p,
footer a {
  color: var(--light-gray) !important;
}

footer a:hover {
  color: var(--primary-color) !important;
}

footer .bi {
  color: var(--white) !important;
  font-size: 1.5rem;
  transition: var(--transition);
}

footer .bi:hover {
  color: var(--primary-color) !important;
  transform: translateY(-3px);
}

/* Floating Action Button */
.position-fixed.end-0 {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 5px 20px rgba(211, 47, 47, 0.4);
  z-index: 1000;
}

.position-fixed.end-0:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 8px 30px rgba(211, 47, 47, 0.6);
}

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

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

@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% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out;
}

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

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

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

/* Scroll to Top Button Animation */
.bi-chevron-down {
  animation: pulse 2s infinite;
  color: var(--white) !important;
  font-size: 2rem;
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
  }

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

  .display-1 {
    font-size: 2.5rem !important;
  }

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

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

  .hero-video-section {
    min-height: 70vh;
  }

  .hero-overlay {
    min-height: 70vh;
  }

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

  .pe-lg-4 {
    padding-right: 1rem !important;
  }

  .px-lg-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .mt-lg-0 {
    margin-top: 1.5rem !important;
  }

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

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

  .sticky-top {
    position: relative !important;
    top: auto;
  }

  .carousel-item img {
    height: 300px;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

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

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

  .display-1 {
    font-size: 2rem !important;
  }

  .lead {
    font-size: 1rem !important;
  }

  .btn-lg {
    padding: 0.6rem 1.5rem !important;
    font-size: 1rem !important;
  }

  .card-body {
    padding: 1.5rem;
  }

  .rounded-circle {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

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

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

  .mb-md-0 {
    margin-bottom: 1rem !important;
  }

  footer {
    text-align: center;
  }

  .accordion-button {
    font-size: 1rem;
    padding: 1rem;
  }

  .carousel-item img {
    height: 200px;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand {
    font-size: 1.25rem;
  }

  .display-1 {
    font-size: 1.75rem !important;
  }

  .display-3 {
    font-size: 1.5rem !important;
  }

  .display-4 {
    font-size: 1.35rem !important;
  }

  .hero-video-section {
    min-height: 60vh;
  }

  .hero-overlay {
    min-height: 60vh;
  }

  .gap-3 {
    gap: 0.5rem !important;
  }

  .px-3 {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .position-fixed.end-0 {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    right: 15px !important;
    bottom: 15px !important;
  }

  .carousel-item img {
    height: 180px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .position-fixed,
  footer {
    display: none !important;
  }

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

  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
}

/* Accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color) !important;
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--primary-color);
  color: var(--white);
}

::-moz-selection {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Loading State */
.loading {
  pointer-events: none;
  opacity: 0.6;
}

.spinner {
  border: 3px solid var(--light-gray);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}