/* === Header === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background var(--transition-medium), backdrop-filter var(--transition-medium), transform var(--transition-medium);
}
.header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.header.is-scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header.is-hidden { transform: translateY(-100%); }
.header.is-light {
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text-on-light);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  backdrop-filter: blur(16px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 102;
}
.logo__mark {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary);
  border-radius: 4px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.05em;
  font-size: 16px;
}
.logo__text { line-height: 1; }
.logo__text small { display: block; font-size: 9px; opacity: 0.6; letter-spacing: 0.2em; margin-top: 2px; font-weight: 500; }

.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav__list { display: flex; gap: var(--space-3); }
.nav__link {
  position: relative;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}
.nav__link:hover::after, .nav__link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav__link.is-active { color: var(--color-primary); }

.header__actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  transition: background var(--transition-fast);
  position: relative;
}
.icon-btn:hover { background: rgba(255,255,255,0.08); }
.header.is-light .icon-btn:hover { background: rgba(0,0,0,0.05); }
.icon-btn__badge {
  position: absolute;
  top: 4px; right: 4px;
  min-width: 18px; height: 18px;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}
.lang-toggle {
  display: flex;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  padding: 2px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.lang-toggle button {
  padding: 6px 8px;
  border-radius: 3px;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.lang-toggle button.is-active {
  background: var(--color-primary);
  color: #fff;
}

.burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  z-index: 102;
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  margin: 0 auto;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}
.burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 1023px) {
  .nav__list, .header__actions .lang-toggle, .header__actions .icon-btn--cart-text { display: none; }
  .burger { display: flex; }
}

/* === Mobile menu overlay === */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: 101;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-6) var(--gutter);
  opacity: 0;
  pointer-events: none;
  transition: opacity 400ms var(--ease-out-power3);
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
}
.mobile-menu__link {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 8vw, 56px);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 600ms var(--ease-out-expo), transform 600ms var(--ease-out-expo);
}
.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 200ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 280ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 360ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 440ms; }
.mobile-menu__contacts {
  margin-top: var(--space-5);
  text-align: center;
  opacity: 0;
  transition: opacity 600ms 600ms var(--ease-out-expo);
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 2;
}
.mobile-menu.is-open .mobile-menu__contacts { opacity: 1; }

/* === Sticky CTA === */
.sticky-cta {
  position: fixed;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 90;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 400ms var(--ease-out-power3), transform 400ms var(--ease-out-power3);
  box-shadow: 0 10px 40px rgba(225,6,0,0.5), 0 0 0 0 rgba(225,6,0,0.4);
  animation: pulse-glow 2.4s ease-in-out infinite;
}
.sticky-cta.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
@media (max-width: 767px) {
  .sticky-cta { bottom: 16px; right: 16px; left: 16px; justify-content: center; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 10px 40px rgba(225,6,0,0.5), 0 0 0 0 rgba(225,6,0,0.4); }
  50% { box-shadow: 0 10px 40px rgba(225,6,0,0.5), 0 0 0 16px rgba(225,6,0,0); }
}

/* === Footer === */
.footer {
  background: #050505;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-7) 0 var(--space-3);
  margin-top: 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
@media (max-width: 1023px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; gap: var(--space-4); } }

.footer__brand .logo { margin-bottom: var(--space-2); }
.footer__brand p {
  color: var(--color-text-muted);
  font-size: 14px;
  max-width: 320px;
}
.footer__col h4 {
  font-size: 13px;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  font-weight: 600;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col ul a, .footer__col p {
  color: var(--color-text-on-dark);
  font-size: 14px;
  transition: color var(--transition-fast);
}
.footer__col ul a:hover { color: var(--color-primary); }
.footer__col p { color: var(--color-text-muted); margin-bottom: 8px; }
.footer__col a.contact { display: block; padding: 4px 0; }

.footer__socials {
  display: flex;
  gap: 12px;
  margin-top: var(--space-2);
}
.footer__socials a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  transition: all var(--transition-fast);
}
.footer__socials a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.newsletter {
  display: flex;
  margin-top: var(--space-2);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
}
.newsletter input {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  background: transparent;
  color: var(--color-text-on-dark);
}
.newsletter input::placeholder { color: var(--color-text-muted); }
.newsletter button {
  padding: 0 18px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--transition-fast);
}
.newsletter button:hover { background: var(--color-primary-hover); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 12px;
  color: var(--color-text-muted);
}
.footer__bottom__links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer__bottom__links a:hover { color: var(--color-text-on-dark); }

/* === Cursor === */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: #fff;
  transform: translate(-50%, -50%);
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid #fff;
  transform: translate(-50%, -50%);
  transition: width 250ms var(--ease-out-power3), height 250ms var(--ease-out-power3),
              background-color 200ms, border-color 200ms;
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  background: rgba(225,6,0,0.7);
  border-color: var(--color-primary);
  mix-blend-mode: normal;
}
.cursor-ring.is-view::before {
  content: 'VIEW';
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* === Modal === */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-out-power3);
}
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal__content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-card);
  transform: scale(0.95);
  transition: transform 400ms var(--ease-out-expo);
  border: 1px solid rgba(255,255,255,0.06);
}
.modal.is-open .modal__content { transform: scale(1); }
.modal__close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.5);
  border-radius: 50%;
  z-index: 5;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.modal__close:hover {
  background: var(--color-primary);
  transform: rotate(90deg);
}
@media (max-width: 767px) {
  .modal { padding: 0; }
  .modal__content { max-height: 100vh; height: 100vh; border-radius: 0; }
}

/* Form modal */
.modal--form .modal__content { max-width: 560px; padding: var(--space-5); }

/* Lot modal */
.lot-modal__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-5); padding: var(--space-5); }
@media (max-width: 900px) { .lot-modal__grid { grid-template-columns: 1fr; gap: var(--space-3); padding: var(--space-3); } }

.lot-gallery__main {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-carbon);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.lot-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.lot-gallery__main svg { position: absolute; inset: 0; margin: auto; width: 70%; height: 70%; opacity: 0.4; }
.lot-gallery__thumb svg { position: absolute; inset: 0; margin: auto; width: 60%; height: 60%; opacity: 0.4; }
.lot-gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; }
.lot-gallery__thumb {
  aspect-ratio: 1;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-carbon);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}
.lot-gallery__thumb.is-active { border-color: var(--color-primary); }
.lot-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

.lot-info__year {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.lot-info__title { font-size: clamp(28px, 3vw, 42px); margin-bottom: 8px; }
.lot-info__pilot { color: var(--color-text-muted); margin-bottom: var(--space-3); font-size: 16px; }
.lot-info__story { color: rgba(245,245,245,0.85); line-height: 1.7; margin-bottom: var(--space-3); font-size: 15px; }
.lot-info__params {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  padding: var(--space-2) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-3);
}
.lot-info__params div { font-size: 13px; }
.lot-info__params strong { display: block; font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.lot-info__cert {
  display: flex; align-items: center; gap: 12px;
  padding: var(--space-2);
  background: rgba(225,6,0,0.08);
  border: 1px solid rgba(225,6,0,0.2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}
.lot-info__cert svg { flex-shrink: 0; color: var(--color-primary); }
.lot-info__cert p { font-size: 13px; line-height: 1.4; }
.lot-info__price {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: var(--space-3);
}
.lot-info__price strong { font-family: var(--font-display); font-size: 32px; font-feature-settings: 'tnum'; }
.lot-info__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.lot-info__actions .btn { flex: 1; min-width: 160px; }

/* === Cookie banner === */
.cookie-banner {
  position: fixed;
  bottom: 16px; left: 16px; right: 16px;
  z-index: 95;
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
  transform: translateY(140%);
  transition: transform 600ms var(--ease-out-expo);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner p { font-size: 13px; color: var(--color-text-on-dark); flex: 1; min-width: 240px; line-height: 1.5; }
.cookie-banner button { font-size: 12px; padding: 12px 20px; }

/* === Sound toggle === */
.sound-toggle {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  right: 16px;
  z-index: 95;
  width: 44px; height: 44px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.sound-toggle:hover { background: var(--color-primary); border-color: var(--color-primary); }