/* ============================================================================
   EcuTunerx — Components: nav, buttons, cards, chips, accordion, marquee,
   preloader, cursor, inputs, badges
   ========================================================================== */

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: var(--z-preloader);
  background: var(--bg); display: grid; place-items: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { width: min(420px, 80vw); text-align: center; }
.preloader__logo { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.18em; font-size: 1.1rem; color: var(--text); }
.preloader__logo b { color: var(--accent); }
.preloader__bar { margin-top: 18px; height: 3px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.preloader__fill { height: 100%; width: 0%; background: var(--grad-thermal); box-shadow: 0 0 16px var(--accent); }
.preloader__readout { margin-top: 12px; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.1em; }
.preloader__readout b { color: var(--accent-2); }

/* ---------- Scroll progress ---------- */
.scrollbar-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%; transform-origin: 0 50%;
  transform: scaleX(0); background: var(--grad-thermal); z-index: var(--z-nav);
  box-shadow: 0 0 12px rgba(25,230,255,0.6);
}

/* ---------- Custom cursor ---------- */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; z-index: var(--z-cursor); pointer-events: none; border-radius: 50%; mix-blend-mode: difference; }
.cursor-dot { width: 6px; height: 6px; background: #fff; transform: translate(-50%, -50%); }
.cursor-ring { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,0.6); transform: translate(-50%, -50%); transition: width .25s var(--ease-out), height .25s var(--ease-out), background .25s; }
.cursor-ring.is-hot { width: 54px; height: 54px; background: rgba(255,255,255,0.08); border-color: #fff; }
@media (hover: none), (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(var(--maxw), calc(100% - 2 * var(--gutter)));
  z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5);
  padding: 12px 14px 12px 20px; border-radius: var(--r-pill);
  background: var(--glass-2); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  transition: transform var(--dur) var(--ease-out), background var(--dur), box-shadow var(--dur), padding var(--dur);
}
.nav.is-scrolled { box-shadow: var(--shadow-md); background: rgba(9,11,14,0.82); }
.nav.is-hidden { transform: translateX(-50%) translateY(-140%); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.98rem; }
.brand__mark { width: 26px; height: 26px; }
.brand b { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link { padding: 9px 14px; border-radius: var(--r-pill); font-size: var(--fs-sm); color: var(--text-dim); letter-spacing: 0.02em; transition: color var(--dur), background var(--dur); }
.nav__link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav__right { display: flex; align-items: center; gap: 10px; }
.nav__lang { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); padding: 8px 10px; border-radius: var(--r-pill); border: 1px solid var(--line); transition: color var(--dur), border-color var(--dur); }
.nav__lang:hover { color: var(--accent); border-color: var(--accent); }
.nav__toggle { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); align-items: center; justify-content: center; }
.nav__toggle span { display: block; width: 18px; height: 2px; background: var(--text); position: relative; transition: transform var(--dur), opacity var(--dur); }
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--text); transition: transform var(--dur); }
.nav__toggle span::before { top: -6px; } .nav__toggle span::after { top: 6px; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* Primary CTA that lives inside the open mobile menu (hidden in the desktop row).
   Parent-scoped selector (0,2,0) so it reliably beats `.btn { display:inline-flex }`. */
.nav__links .nav__menu-cta { display: none; }

/* Mobile nav. Selectors are .nav-prefixed (0,2,0) on purpose: the base `.btn`,
   `.nav__toggle` and `.nav__lang` rules are single-class (0,1,0) and appear LATER
   in this file, so an un-prefixed override here would lose on source order and the
   CTA would stay visible — the exact bug this replaces. */
@media (max-width: 940px) {
  .nav { gap: var(--sp-3); padding-right: 12px; }
  .nav__links { position: fixed; inset: 78px 12px auto 12px; flex-direction: column; align-items: stretch;
    padding: 16px; gap: 6px; background: rgba(9,11,14,0.97); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transform: translateY(-12px); transition: all var(--dur) var(--ease-out); }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav__link { padding: 14px 16px; font-size: 1rem; }
  .nav .nav__toggle { display: inline-flex; }
  .nav .nav__cta { display: none; }
  .nav .nav__lang { display: none; }
  .nav__links .nav__menu-cta { display: inline-flex; width: 100%; margin-top: 8px; }
}

/* ---------- Buttons ---------- */
.btn {
  --b: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: var(--r-pill); font-family: var(--font-body);
  font-weight: 600; font-size: var(--fs-sm); letter-spacing: 0.04em; text-transform: uppercase;
  position: relative; overflow: hidden; cursor: pointer; white-space: nowrap;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur), color var(--dur), background var(--dur);
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--glow-cyan); }
.btn--primary:hover { box-shadow: 0 0 0 1px var(--accent), 0 12px 40px -8px rgba(25,230,255,0.6); }
.btn--heat { background: var(--grad-heat); color: #fff; box-shadow: var(--glow-amber); }
.btn--ghost { background: rgba(255,255,255,0.03); color: var(--text); border: 1px solid var(--line-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--lg { padding: 18px 34px; font-size: var(--fs-body); }
.btn:active { transform: scale(0.97); }
.btn__shine { position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%); transform: translateX(-120%); }
.btn--primary:hover .btn__shine, .btn--heat:hover .btn__shine { animation: shine 0.9s var(--ease-out); }
@keyframes shine { to { transform: translateX(120%); } }

/* ---------- Glass card ---------- */
.card {
  position: relative; border-radius: var(--r-lg); padding: var(--sp-6);
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out), border-color var(--dur), box-shadow var(--dur);
}
.card::before { /* top sheen */
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
}
.card--hover:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow-lg); }
.card__icon { width: 46px; height: 46px; border-radius: var(--r-sm); display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: var(--sp-4); }
.card__icon svg { width: 22px; height: 22px; }

/* ---------- Chips / tags / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: var(--r-pill);
  font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line); color: var(--text-dim);
}
.chip__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.chip--live .chip__dot { animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.7); } }
.badge { display: inline-block; padding: 4px 10px; border-radius: var(--r-xs); font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; }
.badge--cyan { background: var(--accent-soft); color: var(--accent); }
.badge--amber { background: var(--accent-2-soft); color: var(--accent-2); }
.badge--hot { background: var(--hot-soft); color: var(--hot); }

/* ---------- Section heading block ---------- */
.section-head { max-width: 760px; margin-bottom: var(--sp-6); }
.section-head .h2 { margin-top: var(--sp-3); }
.section-head .lead { margin-top: var(--sp-4); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .kicker { justify-content: center; }
.section-head--center .lead { margin-inline: auto; }

/* ---------- Divider with thermal pulse ---------- */
.thermal-rule { height: 1px; background: var(--grad-thermal); opacity: 0.4; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.marquee__track { display: flex; gap: var(--sp-7); width: max-content; animation: marquee 28s linear infinite; will-change: transform; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 1rem; color: var(--muted); white-space: nowrap; }
.marquee__item svg { width: 18px; height: 18px; color: var(--accent); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(calc(-50% - var(--sp-7) / 2)); } }
/* Keep the ticker moving even with reduced-motion so all tooling shows — just slower & gentler. */
@media (prefers-reduced-motion: reduce) { .marquee__track { animation-duration: 70s; } }

/* ---------- Accordion (FAQ) ---------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-5) 0; text-align: left; font-family: var(--font-body); font-weight: 600; font-size: var(--fs-h3); color: var(--text);
  transition: color var(--dur); }
.acc__head:hover { color: var(--accent); }
.acc__icon { flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; position: relative; transition: border-color var(--dur), background var(--dur); }
.acc__icon::before, .acc__icon::after { content: ""; position: absolute; background: currentColor; transition: transform var(--dur) var(--ease-out); }
.acc__icon::before { width: 13px; height: 2px; } .acc__icon::after { width: 2px; height: 13px; }
.acc__item.is-open .acc__icon { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.acc__item.is-open .acc__icon::after { transform: scaleY(0); }
.acc__panel { overflow: hidden; height: 0; }
.acc__panel-inner { padding: 0 0 var(--sp-6); color: var(--muted); max-width: 70ch; line-height: 1.7; }

/* ---------- Form inputs ---------- */
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.input, .textarea, .select {
  width: 100%; padding: 14px 16px; border-radius: var(--r-sm); background: var(--surface);
  border: 1px solid var(--line); color: var(--text); transition: border-color var(--dur), box-shadow var(--dur), background var(--dur);
}
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: var(--surface-2); }
.input::placeholder, .textarea::placeholder { color: var(--faint); }
.textarea { resize: vertical; min-height: 120px; }

/* ---------- Search candidate list (year-variants — homepage + order) ---------- */
.cand-list { display: flex; flex-direction: column; gap: 8px; margin-top: var(--sp-4); }
.cand { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 13px 16px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); cursor: pointer; text-align: left; transition: border-color var(--dur), background var(--dur), transform var(--dur); }
.cand:hover { border-color: var(--accent); background: var(--surface-2); transform: translateX(3px); }
.cand__meta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cand__name { font-weight: 600; font-size: var(--fs-sm); color: var(--text); }
.cand__sub { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.02em; }
.cand__year { flex: none; font-family: var(--font-display); font-size: 0.95rem; color: var(--accent); letter-spacing: 0.02em; }
.cand__chev { flex: none; color: var(--muted); }

/* ---------- Scan-VIN button ---------- */
.scan-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; border-radius: var(--r-pill); background: rgba(255,255,255,0.03); border: 1px solid var(--line-strong); color: var(--text-dim); font-family: var(--font-body); font-size: var(--fs-sm); cursor: pointer; transition: border-color var(--dur), color var(--dur); white-space: nowrap; }
.scan-btn:hover { border-color: var(--accent); color: var(--accent); }
.scan-btn svg { width: 18px; height: 18px; }

/* ---------- Tooltip data label ---------- */
.data-pill { display: inline-flex; align-items: baseline; gap: 6px; font-family: var(--font-mono); }
.data-pill b { font-size: 1.4em; color: var(--text); }
.data-pill span { font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- Utility ---------- */
.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); } .gap-5 { gap: var(--sp-5); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }
.center { text-align: center; }
.hide-mobile { } @media (max-width: 720px) { .hide-mobile { display: none !important; } }