/*
 * TotalOBD interactive layer. Loaded only when SITE_INTERACTIVE isn't 0.
 * The .fx class is added by interactive.js, so nothing here hides content if JS fails.
 */

/* ---------- Scroll reveal ---------- */
.fx .rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); transition-delay: var(--rv-delay, 0ms); }
.fx .rv.rv--in { opacity: 1; transform: none; }

/* ---------- Active nav link ---------- */
.nav__links a { position: relative; transition: color .15s; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--red); transform: scaleX(0); transition: transform .25s ease; }
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after { transform: scaleX(1); }

/* ---------- Hero screen switcher ---------- */
.slides { position: relative; display: grid; }
.slides .slide { grid-area: 1 / 1; width: 100%; opacity: 0; transition: opacity .6s ease; }
.slides .slide.is-on { opacity: 1; }
.hero__visual[data-hero-slides] { padding-bottom: 64px; }
.slide-tabs { position: absolute; left: 0; bottom: 0; display: flex; gap: 6px; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 999px; box-shadow: 0 6px 20px -12px rgba(0,0,0,.25); }
.slide-tabs button { font: 600 13px/1 var(--f-sans); color: var(--ink-3); background: none; border: 0; border-radius: 999px; padding: 9px 14px; cursor: pointer; transition: background .2s, color .2s; white-space: nowrap; }
.slide-tabs button:hover { color: var(--ink); }
.slide-tabs button[aria-selected="true"] { background: var(--ink); color: #fff; }
@media (max-width: 520px) {
  .slide-tabs { left: 50%; transform: translateX(-50%); }
  .slide-tabs button { padding: 8px 10px; font-size: 12px; }
}

/* ---------- "Try it" chips on the demos ---------- */
.step__media { position: relative; }
.try-chip { position: absolute; top: 14px; right: 14px; z-index: 2; font-size: 12px; font-weight: 700; letter-spacing: .02em; color: #fff; background: var(--ink); padding: 7px 11px; border-radius: 999px; pointer-events: none; animation: try-pulse 2.4s ease-in-out infinite; }
@keyframes try-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(17,18,20,.25); } 50% { box-shadow: 0 0 0 7px rgba(17,18,20,0); } }

/* ---------- Step 2: pairing demo ---------- */
.pair__ok, .pair__cancel, .pair__list li { cursor: pointer; user-select: none; transition: background .15s, opacity .15s, transform .1s; }
.pair__ok:hover { background: #1765cc; }
.pair__ok:active, .pair__cancel:active { transform: translateY(1px); }
.pair.is-busy .pair__ok { opacity: .7; cursor: progress; }
.pair.is-busy .pair__list li.is-selected { background-image: linear-gradient(90deg, #e8f0fe 0%, #d2e3fc 50%, #e8f0fe 100%); background-size: 200% 100%; animation: pair-scan 1s linear infinite; }
@keyframes pair-scan { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.pair.is-done .pair__ok { background: #1e8e3e; }
.pair.is-done .pair__title::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: #1e8e3e; vertical-align: 1px; }

.readout { transition: border-color .3s; }
.readout.is-waiting .readout__dot { background: #c9c6bf; box-shadow: none; }
.readout.is-waiting { color: var(--ink-3); }
.readout.is-done { border-color: #bfe8cc; }

/* ---------- Step 4: key programming demo ---------- */
.fx .vcard__bar span { width: 0; transition: width var(--fill-ms, 1300ms) cubic-bezier(.4,0,.2,1); }

/* Read vehicle button: only shown before the car has been read */
.vbtn--read { display: none; grid-column: 1 / -1; height: 52px; font-size: 14px; background: var(--green); }
.vcard.is-unread .vbtn--read { display: grid; }
.vcard.is-unread .vbtn--add, .vcard.is-unread .vbtn--del, .vcard.is-unread .vbtn--end { display: none; }
.vcard.is-unread .vbtn--read { animation: read-glow 2.4s ease-in-out infinite; }
@keyframes read-glow { 0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.35); } 50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } }

/* Read checklist */
.vstages { list-style: none; margin: -8px 0 14px; padding: 0; display: grid; gap: 2px; }
.vstage { display: flex; align-items: center; gap: 10px; padding: 5px 0; font-size: 14px; color: var(--ink-3); transition: color .2s; }
.vstage__label { flex: 1; }
.vstage__val { font-weight: 600; font-variant-numeric: tabular-nums; }
.vstage__icon { width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid #d6d3cc; flex: none; position: relative; }
.vstage.is-active { color: var(--ink); }
.vstage.is-active .vstage__icon { border-color: var(--green); border-right-color: transparent; animation: spin .7s linear infinite; }
.vstage.is-done { color: var(--ink-2); }
.vstage.is-done .vstage__val { color: #15803d; }
.vstage.is-done .vstage__icon { border-color: var(--green); background: var(--green); }
.vstage.is-done .vstage__icon::after { content: ""; position: absolute; left: 4px; top: 3.5px; width: 6px; height: 3.5px; border-left: 1.5px solid #fff; border-bottom: 1.5px solid #fff; transform: rotate(-45deg); }
@keyframes spin { to { transform: rotate(360deg); } }
.vcard__status { min-height: 1.5em; margin: -8px 0 16px; font-size: 14px; color: var(--ink-2); }
.vcard__ok { transition: background .2s, color .2s; }
.vcard__ok.is-pending { background: var(--tint); color: var(--ink-3); }
.vcard__rows dd { min-height: 1.6em; }
.vbtn { cursor: pointer; user-select: none; transition: filter .15s, transform .1s, opacity .2s; }
.vbtn:hover { filter: brightness(1.08); }
.vbtn:active { transform: translateY(1px); }
.vcard.is-busy .vbtn { opacity: .45; cursor: progress; }
.bump { animation: bump .45s ease; }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.35); color: var(--green); } 100% { transform: scale(1); } }
.vcard__rows dd.bump { display: inline-block; }

/* ---------- Device checker ---------- */
.devcheck { margin-top: 28px; padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); }
.devcheck__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.devcheck__label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red); }
.devcheck__env { font-size: 14px; font-weight: 600; }
.devcheck__rows { list-style: none; margin: 0; padding: 0; }
.devcheck__rows li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.devcheck__name { font-weight: 600; flex: 1; }
.devcheck__name small { font-weight: 500; color: var(--ink-3); font-size: 13px; }
.devcheck__state { font-size: 13px; font-weight: 600; }
.devcheck__icon { width: 20px; height: 20px; border-radius: 50%; flex: none; position: relative; }
.is-yes .devcheck__icon { background: #e9f9ef; }
.is-yes .devcheck__icon::after { content: ""; position: absolute; left: 6px; top: 5px; width: 8px; height: 5px; border-left: 2px solid #15803d; border-bottom: 2px solid #15803d; transform: rotate(-45deg); }
.is-yes .devcheck__state { color: #15803d; }
.is-no .devcheck__icon { background: var(--tint); }
.is-no .devcheck__icon::after { content: ""; position: absolute; left: 6px; top: 9px; width: 8px; height: 2px; background: var(--ink-3); }
.is-no .devcheck__state { color: var(--ink-3); }
.devcheck__advice { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }
.devcheck__note { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); }

/* ---------- Licence picker ---------- */
.picker { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: -16px 0 36px; }
.picker__q { font-weight: 600; color: var(--ink-2); }
.picker__opts { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; padding: 5px; background: #fff; border: 1px solid var(--line); border-radius: 999px; }
.picker__opt { font: 600 14px/1 var(--f-sans); color: var(--ink-2); background: none; border: 0; border-radius: 999px; padding: 11px 16px; cursor: pointer; transition: background .2s, color .2s; }
.picker__opt:hover { color: var(--ink); background: var(--tint); }
.picker__opt[aria-checked="true"] { background: var(--red); color: #fff; }
@media (max-width: 560px) {
  .picker__opts { border-radius: 14px; }
  .picker__opt { flex: 1 1 45%; }
}

.price { transition: opacity .3s, transform .3s, box-shadow .3s; }
.prices.has-pick .price:not(.is-pick) { opacity: .55; }
.price.is-pick { transform: translateY(-4px); box-shadow: 0 0 0 2px var(--red), 0 20px 40px -24px rgba(0,0,0,.35); }
.price.is-pick .btn--ghost { background: var(--red); border-color: var(--red); color: #fff; }
.price__pick { align-self: flex-start; margin-bottom: 12px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red); background: #fdecee; padding: 6px 9px; border-radius: 5px; }

/* ---------- Small lift on cards ---------- */
.dongle, .vehicle { transition: transform .25s ease, box-shadow .25s ease; }
@media (hover: hover) {
  .dongle:hover, .vehicle:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -26px rgba(0,0,0,.35); }
}

@media (prefers-reduced-motion: reduce) {
  .fx .rv, .slides .slide, .price, .dongle, .vehicle { transition: none !important; }
  .try-chip, .bump, .pair.is-busy .pair__list li.is-selected, .vcard.is-unread .vbtn--read, .vstage.is-active .vstage__icon { animation: none !important; }
}
.try-chip--above { top: -14px; right: auto; left: 50%; transform: translateX(-50%); white-space: nowrap; }

/* ---------- Walkthrough: clickable areas over screenshots ---------- */
.has-hotspots { position: relative; }
.hotspot { position: absolute; z-index: 1; padding: 0; margin: 0; background: transparent; border: 2px solid transparent; border-radius: 14px; cursor: pointer; transition: border-color .2s, background .2s, box-shadow .2s; }
.hotspot:hover { border-color: rgba(230,57,70,.55); background: rgba(230,57,70,.04); }
.hotspot:focus-visible { outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(230,57,70,.2); }
.hotspot.is-chosen { border-color: var(--red); box-shadow: 0 0 0 4px rgba(230,57,70,.18); }
.hotspot.is-dimmed { background: rgba(255,255,255,.6); }
.hotspot.is-dimmed:hover { background: rgba(255,255,255,.35); }
.hotspot--card { border-radius: 12px; }
.hotspot--read { border-radius: 8px; animation: read-glow 2.4s ease-in-out infinite; }
.hotspot--read:hover { background: rgba(255,255,255,.12); border-color: transparent; }

/* ---------- Walkthrough: step progress ---------- */
.step__n { transition: background .3s, color .3s, border-color .3s, box-shadow .3s; }
.step__n.is-current { border-color: var(--red); color: var(--red); box-shadow: 0 0 0 5px rgba(230,57,70,.12); }
.step__n.is-done { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- Walkthrough: step 2 serial prompt, step 4 extras ---------- */
.pair.is-serial .pair__sig { display: none; }
.vcard__sub { display: block; margin-top: 2px; font-size: 13px; font-weight: 500; color: var(--ink-3); }
.walk-restart { display: block; margin: 16px auto 0; padding: 8px 14px; font: 600 14px/1 var(--f-sans); color: var(--ink-2); background: none; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.walk-restart:hover { color: var(--ink); border-color: var(--ink-3); }

@media (prefers-reduced-motion: reduce) {
  .hotspot--read { animation: none !important; }
}
.try-chip--bottom { top: auto; right: auto; bottom: 16px; left: 16px; }