.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, height .35s ease;
}
.site-header.is-scrolled {
  height: 70px;
  background: rgba(7, 9, 13, 0.88);
  border-color: var(--border-soft);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1320px, calc(100vw - 40px));
  height: 100%;
  margin: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 37px;
  aspect-ratio: 1;
  border: 1px solid var(--border-blue);
  border-radius: 50%;
  color: #b9d2ff;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .03em;
}
.brand-name { font-size: .82rem; font-weight: 800; letter-spacing: .12em; }
.desktop-nav { justify-self: center; display: flex; align-items: center; gap: 24px; }
.desktop-nav a {
  position: relative;
  color: #d9dde5;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .09em;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 1px;
  background: var(--accent-blue-bright);
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.desktop-nav a:hover::after, .desktop-nav a.active::after { transform: scaleX(1); }
.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 0 21px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: transform .3s var(--ease), border-color .3s ease, background .3s ease;
}
.btn::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -2px;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,.32) 48%, transparent 72%);
  transform: translateX(-120%);
  transition: transform .65s var(--ease);
}
.btn:hover { transform: translateY(-2px) scale(1.015); }
.btn:hover::before { transform: translateX(120%); }
.btn--primary { background: var(--accent-blue); color: white; box-shadow: 0 12px 30px rgba(31,100,230,.25); }
.btn--secondary { border-color: var(--border-soft); background: rgba(255,255,255,.035); color: white; }
.btn--small { min-height: 42px; padding-inline: 16px; font-size: .68rem; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
}
.menu-toggle span { display: block; width: 100%; height: 1px; background: white; margin: 5px 0; transition: transform .3s ease, opacity .3s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
.mobile-menu {
  position: fixed;
  z-index: 999;
  inset: 0;
  display: grid;
  align-content: center;
  padding: 100px 8vw 50px;
  background: rgba(7, 9, 13, .985);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: .4s var(--ease);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu nav { display: grid; gap: 13px; }
.mobile-menu a:not(.btn) { font-size: clamp(1.8rem, 8vw, 3.1rem); line-height: 1.15; letter-spacing: -.04em; }
.mobile-menu .btn { width: fit-content; margin-top: 24px; }
.card {
  overflow: hidden;
  background: var(--background-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.vehicle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.vehicle-grid.is-single { grid-template-columns: minmax(0, 760px); }
.vehicle-card { min-height: 500px; position: relative; }
.vehicle-card__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.vehicle-card:hover .vehicle-card__image { transform: scale(1.035); }
.vehicle-card__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(5,7,10,.9) 88%); }
.vehicle-card__content { position: absolute; inset: auto 0 0; padding: 30px; transition: transform .4s var(--ease); }
.vehicle-card:hover .vehicle-card__content { transform: translateY(-5px); }
.vehicle-card h3 { font-size: 1.55rem; line-height: 1.15; }
.vehicle-card__price { color: #8fb7ff; margin-top: 5px; font-size: 1.35rem; font-weight: 750; }
.spec-row { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 13px 0 19px; color: #d0d6e0; font-size: .82rem; }
.tag {
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: #dce2ec;
  font-size: .7rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.site-footer { padding: 68px 0 28px; background: #05070a; border-top: 1px solid var(--border-soft); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.footer-title { margin-bottom: 12px; color: white; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-list { display: grid; gap: 8px; color: var(--text-muted); font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--border-soft); color: #77808f; font-size: .78rem; }
.cursor-dot, .cursor-ring { position: fixed; z-index: 3000; top: 0; left: 0; pointer-events: none; border-radius: 50%; opacity: 0; }
.cursor-dot { width: 6px; height: 6px; background: var(--accent-blue-bright); }
.cursor-ring { width: 32px; height: 32px; border: 1px solid rgba(100,158,255,.65); transition: width .25s ease, height .25s ease, border-color .25s ease; }
.cursor-ring.is-hover { width: 46px; height: 46px; border-color: rgba(140,188,255,.95); }
.whatsapp {
  display: none;
  position: fixed;
  z-index: 900;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom));
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: #23c763;
  color: white;
  box-shadow: 0 12px 28px rgba(0,0,0,.34);
}
.whatsapp svg { width: 25px; }