/* Onyx Minimalist Architecture Studio - Custom Styles */

/* ===== CSS VARIABLES ===== */
:root {
  --primary-color: #1A1A1A;
  --secondary-color: #E8E8E8;
  --accent-color: #FFFFFF;
  --text-dark: #1A1A1A;
  --text-light: #E8E8E8;
  --transition-speed: 0.4s;
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.1);
  --shadow-md: 0 4px 16px rgba(26, 26, 26, 0.15);
  --shadow-lg: 0 8px 32px rgba(26, 26, 26, 0.2);
}

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

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

body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark) !important;
  background-color: var(--secondary-color) !important;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  color: var(--text-dark) !important;
}

.display-1, .display-2 {
  font-size: clamp(2.5rem, 6vw, 5rem) !important;
  line-height: 1.1 !important;
}

.display-3, .display-4 {
  font-size: clamp(2rem, 5vw, 3.5rem) !important;
  line-height: 1.2 !important;
}

.display-5, .display-6 {
  font-size: clamp(1.5rem, 4vw, 2.5rem) !important;
}

.lead {
  font-size: clamp(1rem, 2vw, 1.25rem) !important;
  font-weight: 300 !important;
  color: var(--text-dark) !important;
  opacity: 0.85;
}

.small, small {
  font-size: 0.875rem !important;
  color: var(--text-dark) !important;
  opacity: 0.7;
}

/* ===== NAVBAR STYLES ===== */
.navbar {
  background-color: var(--primary-color) !important;
  padding: 1.2rem 0 !important;
  z-index: 1000 !important;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-speed) ease;
}

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

.navbar.scrolled {
  padding: 0.8rem 0 !important;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: var(--accent-color) !important;
  letter-spacing: 0.5px;
  transition: all var(--transition-speed) ease;
}

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 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='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.nav-link {
  color: var(--secondary-color) !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem !important;
  border-radius: 4px;
  transition: all var(--transition-speed) ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 1rem;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-speed) ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-color) !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - 2rem);
}

/* ===== BUTTONS ===== */
.btn {
  font-weight: 600 !important;
  letter-spacing: 0.5px !important;
  border-radius: 4px !important;
  transition: all var(--transition-speed) ease !important;
  border: 2px solid transparent !important;
  text-transform: uppercase;
  font-size: 0.875rem !important;
}

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

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

.btn-light:hover {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-outline-dark.active,
.filter-btn.active {
  background-color: var(--primary-color) !important;
  color: var(--accent-color) !important;
  border-color: var(--primary-color) !important;
}

.filter-btn {
  margin: 0.5rem !important;
  padding: 0.5rem 1.5rem !important;
}

/* ===== CAROUSEL STYLES ===== */
.carousel {
  background-color: var(--primary-color) !important;
}

.carousel-fade .carousel-item {
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.carousel-fade .carousel-item.active {
  opacity: 1;
}

.carousel-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.4) 100%);
  z-index: 1;
}

.carousel-item img {
  width: 100% !important;
  height: 100vh !important;
  object-fit: cover !important;
  filter: grayscale(0.3) contrast(1.1);
}

.carousel .position-absolute {
  z-index: 2;
}

.carousel .text-white {
  color: var(--accent-color) !important;
  text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
}

.carousel .text-white .display-2 {
  color: var(--accent-color) !important;
  animation: fadeInUp 1s ease-out;
}

.carousel .text-white .lead {
  color: var(--secondary-color) !important;
  animation: fadeInUp 1.2s ease-out;
}

.carousel .text-white .btn {
  animation: fadeInUp 1.4s ease-out;
}

/* ===== SECTIONS ===== */
.py-5 {
  padding: 4rem 0 !important;
}

.py-2 {
  padding: 1rem 0 !important;
}

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

.pb-5 {
  padding-bottom: 4rem !important;
}

.pt-4 {
  padding-top: 3rem !important;
}

.pb-4 {
  padding-bottom: 3rem !important;
}

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

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

.my-4 {
  margin-top: 2rem !important;
  margin-bottom: 2rem !important;
}

/* ===== IMAGES ===== */
.img-fluid {
  max-width: 100% !important;
  height: auto !important;
  display: block !important;
}

.rounded {
  border-radius: 8px !important;
}

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

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

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

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

/* ===== CARDS ===== */
.card {
  border: none !important;
  border-radius: 8px !important;
  overflow: hidden;
  transition: all var(--transition-speed) ease;
  background-color: var(--accent-color) !important;
}

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

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

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

.card-body {
  padding: 2rem !important;
  background-color: var(--accent-color) !important;
}

.card-body h3,
.card-body .h3 {
  color: var(--primary-color) !important;
  margin-bottom: 1rem !important;
}

.card-body p {
  color: var(--text-dark) !important;
  opacity: 0.8;
}

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

/* ===== PORTFOLIO STYLES ===== */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.portfolio-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  background-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-speed) ease;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.portfolio-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: all var(--transition-speed) ease;
  filter: grayscale(0.2);
}

.portfolio-card:hover img {
  transform: scale(1.1);
  filter: grayscale(0);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(26, 26, 26, 0.95) 0%, rgba(26, 26, 26, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: all var(--transition-speed) ease;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4,
.portfolio-overlay .h4 {
  color: var(--accent-color) !important;
  margin-bottom: 0.5rem !important;
  transform: translateY(20px);
  transition: all var(--transition-speed) ease;
}

.portfolio-card:hover .portfolio-overlay h4,
.portfolio-card:hover .portfolio-overlay .h4 {
  transform: translateY(0);
}

.portfolio-overlay p {
  color: var(--secondary-color) !important;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: all var(--transition-speed) ease 0.1s;
}

.portfolio-card:hover .portfolio-overlay p {
  transform: translateY(0);
}

.badge {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  padding: 0.4rem 0.8rem !important;
  font-weight: 600 !important;
  border-radius: 4px !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.5px;
  transform: translateY(20px);
  transition: all var(--transition-speed) ease 0.2s;
}

.portfolio-card:hover .badge {
  transform: translateY(0);
}

/* ===== ICONS ===== */
.bi {
  display: inline-block;
  vertical-align: middle;
  color: var(--primary-color) !important;
}

.bi.fs-1 {
  font-size: 3rem !important;
}

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

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

.rounded-circle.bg-white {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-speed) ease;
}

.rounded-circle.bg-white:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-md);
}

/* ===== FORMS ===== */
.form-control,
.form-select {
  border: 2px solid var(--primary-color) !important;
  border-radius: 4px !important;
  padding: 0.75rem 1rem !important;
  font-size: 1rem !important;
  color: var(--primary-color) !important;
  background-color: var(--accent-color) !important;
  transition: all var(--transition-speed) ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(26, 26, 26, 0.15) !important;
  background-color: var(--accent-color) !important;
  color: var(--primary-color) !important;
}

.form-control::placeholder {
  color: var(--text-dark) !important;
  opacity: 0.5;
}

.form-check-input {
  border: 2px solid var(--primary-color) !important;
  background-color: var(--accent-color) !important;
}

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

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

/* ===== ACCORDION ===== */
.accordion {
  border: none !important;
}

.accordion-item {
  border: none !important;
  background-color: var(--accent-color) !important;
  margin-bottom: 1rem !important;
  border-radius: 8px !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

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

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color) !important;
  color: var(--accent-color) !important;
}

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

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

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

.accordion-button:focus {
  box-shadow: none !important;
  border: none !important;
}

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

.accordion-body {
  padding: 1.5rem !important;
  color: var(--text-dark) !important;
  background-color: var(--accent-color) !important;
  border-top: 1px solid var(--secondary-color) !important;
}

/* ===== PROGRESS BARS ===== */
.progress {
  height: 8px !important;
  border-radius: 4px !important;
  background-color: var(--secondary-color) !important;
  overflow: hidden;
}

.progress-bar {
  background-color: var(--primary-color) !important;
  transition: width 1s ease-in-out;
}

/* ===== LIST STYLES ===== */
.list-unstyled {
  padding-left: 0 !important;
  list-style: none !important;
}

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

.list-unstyled a {
  color: var(--text-dark) !important;
  text-decoration: none;
  transition: all var(--transition-speed) ease;
  display: inline-flex;
  align-items: center;
}

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

/* ===== FOOTER ===== */
footer {
  background-color: var(--primary-color) !important;
  color: var(--secondary-color) !important;
}

footer h5,
footer .h5 {
  color: var(--accent-color) !important;
  margin-bottom: 1.5rem !important;
}

footer p,
footer a,
footer li {
  color: var(--secondary-color) !important;
}

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

footer .bi {
  color: var(--secondary-color) !important;
  font-size: 1.5rem;
  transition: all var(--transition-speed) ease;
}

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

/* ===== UTILITY CLASSES ===== */
.text-white {
  color: var(--accent-color) !important;
}

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

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

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

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

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

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

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

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

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

.vh-100 {
  height: 100vh !important;
}

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

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

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

.align-items-start {
  align-items: flex-start !important;
}

.align-items-end {
  align-items: flex-end !important;
}

.justify-content-center {
  justify-content: center !important;
}

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

.justify-content-between {
  justify-content: space-between !important;
}

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

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

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

.gap-5 {
  gap: 3rem !important;
}

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

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

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

.g-5 {
  gap: 3rem !important;
}

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

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

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

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

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

.me-3 {
  margin-right: 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-lg-0 {
  margin-bottom: 1rem !important;
}

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

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

.mt-lg-0 {
  margin-top: 1rem !important;
}

.p-0 {
  padding: 0 !important;
}

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

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

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

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

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

.pe-lg-5 {
  padding-right: 1rem !important;
}

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

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

.end-0 {
  right: 0 !important;
}

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

.top-50 {
  top: 50% !important;
}

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

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

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

/* ===== 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);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

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

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

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 8px;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0 !important;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .carousel-item img {
    height: 60vh !important;
  }
  
  .py-5 {
    padding: 3rem 0 !important;
  }
  
  .masonry-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
  }
  
  .order-md-1 {
    order: 1 !important;
  }
  
  .order-md-2 {
    order: 2 !important;
  }
  
  .text-md-start {
    text-align: left !important;
  }
  
  .text-md-end {
    text-align: right !important;
  }
  
  .mb-md-0 {
    margin-bottom: 0 !important;
  }
}

@media (min-width: 992px) {
  .text-lg-end {
    text-align: right !important;
  }
  
  .mt-lg-0 {
    margin-top: 0 !important;
  }
  
  .mb-lg-0 {
    margin-bottom: 0 !important;
  }
  
  .ps-lg-5 {
    padding-left: 3rem !important;
  }
  
  .pe-lg-5 {
    padding-right: 3rem !important;
  }
  
  .order-lg-1 {
    order: 1 !important;
  }
  
  .order-lg-2 {
    order: 2 !important;
  }
  
  .col-lg-2,
  .col-lg-3,
  .col-lg-4,
  .col-lg-5,
  .col-lg-6,
  .col-lg-7,
  .col-lg-8,
  .col-lg-10 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .offset-lg-1 {
    margin-left: 8.333333%;
  }
  
  .offset-lg-2 {
    margin-left: 16.666667%;
  }
}

@media (max-width: 767.98px) {
  body {
    font-size: 0.95rem;
  }
  
  .display-2 {
    font-size: 2rem !important;
  }
  
  .lead {
    font-size: 1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.9rem !important;
  }
  
  .carousel-item img {
    height: 50vh !important;
  }
  
  .py-5 {
    padding: 2rem 0 !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .masonry-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .rounded-circle.bg-white {
    width: 60px;
    height: 60px;
  }
  
  .bi.fs-1 {
    font-size: 2rem !important;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .col-sm-6,
  .col-md-3,
  .col-md-4,
  .col-md-6 {
    margin-bottom: 1rem;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand {
    font-size: 1.25rem !important;
  }
  
  .display-2 {
    font-size: 1.75rem !important;
  }
  
  .btn {
    font-size: 0.8rem !important;
  }
  
  .filter-btn {
    padding: 0.4rem 1rem !important;
    font-size: 0.8rem !important;
  }
  
  .col-6 {
    padding: 0.5rem !important;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .btn,
  footer {
    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(--primary-color) !important;
  outline-offset: 3px;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: #000;
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 4px solid var(--secondary-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== SELECTION STYLES ===== */
::selection {
  background-color: var(--primary-color);
  color: var(--accent-color);
}

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