.adren-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  transition: all var(--trans-base);
  gap: 0.5rem;
}

.adren-btn-primary {
  background: linear-gradient(135deg, var(--clr-accent-primary), var(--clr-accent-secondary));
  color: var(--clr-text-dark);
  box-shadow: 0 4px 15px rgba(0, 229, 255, 0.2);
}

.adren-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.adren-btn-outline {
  border: 1px solid var(--clr-border-light);
  color: #fff;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.adren-btn-outline:hover {
  border-color: var(--clr-accent-primary);
  background: rgba(0, 229, 255, 0.05);
  color: var(--clr-accent-primary);
}

.adren-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--trans-base), padding var(--trans-base);
}

.adren-header.is-scrolled {
  background: rgba(7, 9, 13, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.adren-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.adren-brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}

.adren-brand-icon {
  width: 32px;
  height: 32px;
}

.adren-brand span {
  color: var(--clr-accent-primary);
}

.adren-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.adren-nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--clr-text-main);
  position: relative;
}

.adren-nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent-primary);
  transition: width var(--trans-base);
}

.adren-nav-link:hover::after,
.adren-nav-link.is-active::after {
  width: 100%;
}

.adren-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.adren-cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--trans-fast);
}

.adren-cart-btn:hover {
  background: var(--clr-bg-surface-light);
  border-color: var(--clr-accent-primary);
  color: var(--clr-accent-primary);
}

.adren-cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--clr-accent-tertiary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.adren-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

.adren-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  transition: all var(--trans-fast);
}

@media (max-width: 992px) {
  .adren-nav {
    display: none;
  }

  .adren-hamburger {
    display: flex;
  }
}

.adren-section {
  padding: 6rem 0;
}

.adren-section-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff, var(--clr-text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.adren-section-subtitle {
  font-size: 1.125rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

.adren-text-center {
  text-align: center;
}

.adren-text-center .adren-section-subtitle {
  margin-inline: auto;
}

.adren-card {
  background: var(--clr-bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glass), 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all var(--trans-base);
}

.adren-card:hover {
  transform: translateY(-5px);
  border-color: var(--clr-border-light);
  box-shadow: var(--shadow-card);
}

.adren-footer {
  background: var(--clr-bg-surface);
  border-top: 1px solid var(--clr-border);
  padding: 5rem 0 2rem;
}

.adren-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (max-width: 992px) {
  .adren-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .adren-footer-grid {
    grid-template-columns: 1fr;
  }
}

.adren-footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.adren-footer-link {
  display: block;
  color: var(--clr-text-muted);
  margin-bottom: 0.75rem;
  transition: color var(--trans-fast);
}

.adren-footer-link:hover {
  color: var(--clr-accent-primary);
}

.adren-footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.adren-socials {
  display: flex;
  gap: 1rem;
}

.adren-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.adren-social-link:hover {
  background: var(--clr-accent-primary);
  color: var(--clr-text-dark);
}

.adren-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--trans-base);
}

.adren-drawer-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.adren-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: rgba(15, 18, 25, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--clr-border);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  z-index: 1060;
  transition: right var(--trans-slow);
  display: flex;
  flex-direction: column;
}

.adren-drawer.is-active {
  right: 0;
}

.adren-drawer-head {
  padding: 1.5rem;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.adren-drawer-head h3 {
  margin: 0;
}

.adren-drawer-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  transition: all var(--trans-fast);
}

.adren-drawer-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-accent-tertiary);
}

.adren-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.adren-drawer-foot {
  padding: 1.5rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-bg-surface-light);
}

.adren-mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  max-width: 300px;
  height: 100vh;
  background: rgba(15, 18, 25, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--clr-border);
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
  z-index: 1060;
  transition: left var(--trans-slow);
  padding: 5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.adren-mobile-menu.is-active {
  left: 0;
}

.adren-mobile-menu .adren-nav-link {
  font-size: 1.25rem;
}

.adren-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--trans-base);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.adren-modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.adren-modal {
  background: rgba(15, 18, 25, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-glow), 0 20px 40px rgba(0, 0, 0, 0.8);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  max-width: 450px;
  width: 100%;
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: all var(--trans-base);
  opacity: 0;
}

.adren-modal-overlay.is-active .adren-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.adren-modal-icon {
  width: 64px;
  height: 64px;
  color: var(--clr-accent-primary);
  margin: 0 auto 1.5rem;
}

.adren-modal-text {
  font-size: 1.125rem;
  color: #fff;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.adren-mobile-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--trans-fast);
}

.adren-mobile-close-btn:hover {
  background: var(--clr-accent-tertiary);
}

.adren-footer-col a[href^="mailto:"] {
  word-break: break-all;
}