/* Shared components: nav, footer, marquee, cards */

/* ── NAV ─────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: rgba(251,250,247,0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
  transition: background 300ms ease, border-color 300ms ease, color 300ms ease;
}
.nav.is-dark {
  background: rgba(10,10,10,0.7);
  border-bottom-color: var(--line-dark);
  color: #fff;
}
.nav__inner {
  width: 100%; max-width: 1440px; padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; font-weight: 500;
}
.nav__logo {
  font-family: var(--font-display);
  font-weight: 700; font-size: 18px;
  letter-spacing: -0.04em;
  display: inline-flex; align-items: center; gap: 4px;
}
.nav__logo-img {
  height: 39px; width: auto; display: block;
  transition: filter 300ms ease;
}
.nav.is-dark .nav__logo-img { filter: brightness(0) invert(1); }
.nav__logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--dva-red); display: inline-block;
  align-self: center;
  position: relative;
  animation: pulse 2.6s var(--ease-in-out) infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(229,52,60,0.5); }
  50% { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(229,52,60,0); }
}
.nav__links {
  display: flex; gap: 28px;
}
.nav__links a {
  position: relative;
  color: inherit;
  opacity: 0.85;
  transition: opacity 150ms ease;
}
.nav__links a:hover { opacity: 1; }
.nav__links a.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -18px;
  height: 2px; background: var(--dva-red);
}
.nav__cta {
  padding: 7px 14px; border-radius: 999px;
  background: var(--ink); color: #fff;
  font-size: 12px; font-weight: 500;
  transition: background 200ms ease;
}
.nav.is-dark .nav__cta { background: #fff; color: var(--ink); }
.nav__cta:hover { background: var(--dva-red); color: #fff; }

@media (max-width: 720px) {
  .nav__links { display: none; }
}

.page { padding-top: var(--nav-h); }

/* ── FOOTER ──────────────────────────────── */
.footer {
  background: #0A0A0A;
  color: #f5f5f5;
  padding: 80px var(--pad) 32px;
}
.footer__inner { max-width: 1440px; margin: 0 auto; }
.footer__big {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 64px;
  text-wrap: balance;
}
.footer__big em { font-style: italic; font-weight: 500; color: var(--dva-red); }

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--line-dark);
}
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
.footer__col h4 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: #8b8b8b; margin: 0 0 16px; font-weight: 500;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer__col a { font-size: 14px; color: #d8d8d8; }
.footer__col a:hover { color: var(--dva-red); }
.footer__addr { font-size: 13px; color: #a0a0a0; line-height: 1.6; }
.footer__bot {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--line-dark);
  font-size: 12px; color: #8b8b8b;
  flex-wrap: wrap;
}

/* ── MARQUEE ────────────────────────────── */
.marquee {
  overflow: hidden;
  display: flex;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: 80px;
  animation: scroll-x 36s linear infinite;
  flex-shrink: 0;
  padding-right: 80px;
  align-items: center;
}
@keyframes scroll-x {
  to { transform: translateX(-50%); }
}
.marquee__item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 56px);
  letter-spacing: -0.03em;
  color: var(--ink);
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 80px;
  opacity: 0.85;
}
.marquee__item::after {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dva-red);
  display: inline-block;
}

/* ── PRODUCT TILES (Apple "cards" grid) ── */
.tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 720px) { .tiles { grid-template-columns: 1fr; } }

.tile {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  padding: 48px;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 400ms var(--ease-out), box-shadow 400ms ease;
  isolation: isolate;
  transform-style: preserve-3d;
  will-change: transform;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    700px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255,255,255,0.18),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
  z-index: 0;
}
.tile--light::before {
  background: radial-gradient(
    700px circle at var(--mx, 50%) var(--my, 50%),
    rgba(229,52,60,0.18),
    transparent 40%
  );
}
.tile:hover { transform: translateY(-4px); }
.tile:hover::before { opacity: 1; }
.tile > * { position: relative; z-index: 1; }
.tile--tall { grid-row: span 2; min-height: 1056px; }
.tile--wide { grid-column: span 2; }
.tile--light { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.tile--dark  { background: #0A0A0A; color: #fff; }
.tile--red   { background: var(--dva-red); color: #fff; }
.tile--cream { background: var(--bg-alt); color: var(--ink); }

.tile__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  margin: 0 0 16px;
}
.tile__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 2.6vw, 44px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  max-width: 18ch;
  text-wrap: balance;
}
.tile__desc {
  font-size: 16px; line-height: 1.5; opacity: 0.78; max-width: 36ch;
  margin: 0;
}
.tile__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.tile .link-arrow { color: inherit; }
.tile--light .link-arrow { color: var(--dva-red); }