/* OBDisplay – site de prezentare, comenzi si actualizare.
   Paleta vine din aparat: bleumarin de bord noaptea, albastrul arcului, portocaliul acului. */
@font-face {
  font-family: "OBDDigits";
  src: url("assets/fonts/obd-digits.woff") format("woff");
  font-display: block;
}

:root {
  --bg:      #0e1a2b;
  --bg-2:    #0b1524;
  --surface: #14233a;
  --line:    #22385a;
  --ink:     #e9eef7;
  --muted:   #93a3bd;
  --blue:    #3d8bff;
  --blue-hi: #7fb2ff;
  --needle:  #ff6a3d;
  --redline: #ff5a4e;
  --ok:      #3cc47c;
  --radius:  14px;
  --font-display: "Saira", "Segoe UI", system-ui, sans-serif;
  --font-body: "Nunito Sans", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: radial-gradient(120% 50% at 70% -5%, #17304f 0%, rgba(23,48,79,0) 60%), var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--font-body);
  overflow-x: hidden;
}
a { color: var(--blue-hi); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; line-height: 1.15; }
.muted { color: var(--muted); }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }

/* ---------- antet ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14, 26, 43, .86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(34, 56, 90, .7);
}
.top-in { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { font: 700 21px/1 var(--font-display); letter-spacing: .02em; color: var(--ink); text-decoration: none; margin: 0; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--ink); }
@media (max-width: 720px) { .nav { display: none; } .top-in .btn { margin-left: auto; } }

/* ---------- butoane ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 16px/1 var(--font-body);
  border-radius: 999px; padding: 14px 22px; min-height: 46px;
  border: 1.5px solid transparent; cursor: pointer;
  color: var(--ink); background: transparent; text-decoration: none;
}
.btn:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--blue-hi); outline-offset: 3px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #5a9cff; }
.btn-quiet { border-color: var(--line); }
.btn-quiet:hover:not(:disabled) { border-color: var(--blue); }
.btn-small { padding: 10px 16px; min-height: 40px; font-size: 15px; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center;
  padding-top: 56px; padding-bottom: 40px;
}
.hero h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 700; letter-spacing: -.01em; max-width: 16ch; }
.lead { font-size: 18px; color: #c4d0e3; max-width: 52ch; margin: 18px 0 0; }
.hero-points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 8px; }
.hero-points li { position: relative; padding-left: 26px; }
.hero-points li::before {
  content: ""; position: absolute; left: 2px; top: .55em;
  width: 12px; height: 12px; border-radius: 50%;
  border: 3px solid var(--blue); border-right-color: transparent; transform: rotate(-45deg);
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.device-col { display: flex; flex-direction: column; align-items: center; }
.device { position: relative; width: min(84vw, 380px); aspect-ratio: 1; }
.bezel {
  position: absolute; inset: 0; border-radius: 50%; padding: 6.5%;
  background:
    radial-gradient(circle at 35% 25%, #4a5566 0%, #20262f 38%, #0c0f14 70%),
    #111;
  box-shadow:
    0 30px 70px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.06),
    inset 0 2px 3px rgba(255,255,255,.18),
    inset 0 -6px 14px rgba(0,0,0,.7);
}
.bezel::after {               /* reflexia sticlei */
  content: ""; position: absolute; inset: 6.5%; border-radius: 50%; pointer-events: none;
  background: linear-gradient(150deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,0) 38%);
}
.screen {
  display: block; width: 100%; height: 100%; border-radius: 50%;
  background: #000; cursor: pointer; touch-action: pan-y;
  box-shadow: 0 0 0 2px #05070a;
}
.device.is-live .screen { cursor: default; }
.dev-nav {
  position: absolute; top: 50%; width: 44px; height: 44px; margin-top: -22px;
  border-radius: 50%; border: 1.5px solid var(--line); background: rgba(20,35,58,.9);
  cursor: pointer; display: grid; place-items: center;
}
.dev-nav:hover { border-color: var(--blue); }
.dev-nav span { width: 10px; height: 10px; border-top: 2.5px solid var(--ink); border-right: 2.5px solid var(--ink); }
.dev-prev { left: -58px; } .dev-prev span { transform: translateX(2px) rotate(-135deg); }
.dev-next { right: -58px; } .dev-next span { transform: translateX(-2px) rotate(45deg); }
.device.is-live .dev-nav { opacity: .3; pointer-events: none; }
@media (max-width: 560px) { .dev-prev { left: -8px; } .dev-next { right: -8px; } .dev-nav { top: auto; bottom: -6px; } }

.device-meta { text-align: center; margin-top: 26px; }
.gauge-name { font: 600 20px/1.2 var(--font-display); margin: 0; }
.dots { display: flex; gap: 8px; justify-content: center; margin-top: 10px; }
.dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: #2c456b; cursor: pointer; }
.dots button[aria-selected="true"] { background: var(--blue-hi); width: 22px; border-radius: 4px; }
.dots button::before { content: ""; display: block; margin: -10px; padding: 14px; }  /* zona de atingere */
.controls { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 20px; }
.seg { display: inline-flex; border: 1.5px solid var(--line); border-radius: 999px; padding: 3px; }
.seg button {
  font: 600 14px/1 var(--font-body); color: var(--muted); background: transparent;
  border: 0; border-radius: 999px; padding: 10px 14px; cursor: pointer; min-height: 38px;
}
.seg button.is-on { background: var(--surface); color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--blue); }
.live-status { color: var(--muted); font-size: 14px; text-align: center; max-width: 40ch; margin: 14px auto 0; min-height: 3em; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 32px; }
  .device-col { order: -1; }
  .hero-text { text-align: left; }
}

/* ---------- blocuri ---------- */
.block { padding-top: 64px; padding-bottom: 8px; }
.block-head { max-width: 680px; margin-bottom: 26px; }
.block-head h2 { font-size: clamp(26px, 3.2vw, 36px); }
.block-head p { color: var(--muted); margin: 10px 0 0; }

/* ecrane */
.screens { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.screen-card {
  width: 100%; height: 100%; text-align: left; cursor: pointer; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 4px; font: inherit;
}
.screen-card:hover { border-color: var(--blue); }
.screen-card canvas { width: 70%; aspect-ratio: 1; align-self: center; margin-bottom: 12px; border-radius: 50%; box-shadow: 0 0 0 5px #161b22, 0 10px 24px rgba(0,0,0,.45); }
.sc-name { font: 600 17px/1.2 var(--font-display); }
.sc-desc { color: var(--muted); font-size: 14px; line-height: 1.45; }
@media (max-width: 460px) { .screens { grid-template-columns: 1fr 1fr; } .screen-card { padding: 12px; } .sc-desc { font-size: 13px; } }

/* pasi */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.steps li { counter-increment: s; border-top: 2px solid var(--line); padding-top: 16px; }
.steps li::before { content: counter(s); display: block; font: italic 700 30px/1 var(--font-display); color: var(--blue-hi); margin-bottom: 10px; }
.steps h3 { font-size: 18px; }
.steps p { color: var(--muted); margin: 6px 0 0; font-size: 15px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* kituri */
.kits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.kit {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.kit.is-rec { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue), 0 20px 50px rgba(61,139,255,.12); }
.kit-flag { position: absolute; top: -12px; left: 22px; margin: 0; background: var(--blue); color: #fff; font-size: 13px; font-weight: 700; padding: 3px 12px; border-radius: 999px; }
.kit h3 { font-size: 22px; }
.kit-tag { color: var(--muted); margin: 4px 0 0; font-size: 15px; }
.kit-price { font: italic 700 28px/1 var(--font-display); margin: 18px 0 14px; }
.kit ul { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 7px; }
.kit li { position: relative; padding-left: 22px; font-size: 15px; }
.kit li::before { content: ""; position: absolute; left: 2px; top: .45em; width: 9px; height: 5px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); transform: rotate(-45deg); }
.kit-note { color: var(--muted); font-size: 14px; margin: auto 0 18px; padding-top: 6px; }
@media (max-width: 860px) { .kits { grid-template-columns: 1fr; max-width: 520px; } }

/* formulare */
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); font-weight: 600; }
input, select, textarea {
  font: 400 16px/1.4 var(--font-body); color: var(--ink);
  background: var(--bg-2); border: 1.5px solid var(--line); border-radius: 10px;
  padding: 11px 12px; min-height: 46px; width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); }

.compat { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.compat label { flex: 1 1 180px; max-width: 260px; }
.compat-result { margin-top: 18px; max-width: 680px; padding: 16px 18px; border-radius: var(--radius); background: var(--surface); border-left: 4px solid var(--ok); }
.compat-result.warn { border-left-color: var(--needle); }

.order { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 760px; }
.order .full { grid-column: 1 / -1; }
.order label.check { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: 400; color: var(--muted); }
.check input { width: 20px; height: 20px; min-height: 0; margin-top: 2px; accent-color: var(--blue); flex: none; }
.order-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.order-total { margin: 0; color: var(--ink); font-weight: 600; }
.contact-line { color: var(--muted); margin-top: 20px; }
@media (max-width: 560px) { .order { grid-template-columns: 1fr; } }

/* ---------- descarcari / actualizare ---------- */
.upd {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.mini-steps { margin: 0; padding-left: 22px; display: grid; gap: 6px; color: #c4d0e3; }
.connect-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.unsupported { color: #ffb4ab; font-size: 15px; margin: 14px 0 0; }
.unsupported strong { color: var(--ink); }
.demo-toggle { flex-direction: row; align-items: center; gap: 8px; margin-top: 16px; font-weight: 400; font-size: 14px; }
.demo-toggle input { width: 18px; height: 18px; min-height: 0; accent-color: var(--blue); }

.upd-status { display: flex; gap: 18px; align-items: center; }
.ring { position: relative; width: 112px; flex: none; aspect-ratio: 1; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: #1d3150; stroke-width: 9; }
.ring-bar { fill: none; stroke: var(--blue); stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset .3s ease, stroke .3s; }
.ring-val { position: absolute; inset: 0; display: grid; place-items: center; font: italic 700 24px/1 var(--font-display); }
.upd-label { margin: 0; font-weight: 600; }
.upd-status[data-state="busy"]  .upd-label { color: var(--blue-hi); }
.upd-status[data-state="done"]  .ring-bar  { stroke: var(--ok); }
.upd-status[data-state="done"]  .upd-label { color: #8fe0b4; }
.upd-status[data-state="error"] .ring-bar  { stroke: var(--redline); }
.upd-status[data-state="error"] .upd-label { color: #ff9a8f; }
.facts { display: grid; grid-template-columns: repeat(3, auto); gap: 4px 18px; margin: 10px 0 0; }
.facts dt { color: var(--muted); font-size: 13px; }
.facts dd { margin: 0; font: 600 16px/1.3 var(--font-display); }
@media (max-width: 760px) { .upd { grid-template-columns: 1fr; } }

.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 30px; }
.dl-title { font-size: 20px; margin-bottom: 6px; }
.themes, .versions { list-style: none; margin: 0; padding: 0; }
.theme, .version { display: grid; gap: 16px; padding: 14px 0; align-items: start; }
.theme { grid-template-columns: 88px 1fr; align-items: center; }
.version { grid-template-columns: 60px 1fr; }
.theme + .theme, .version + .version { border-top: 1px dashed var(--line); }
.theme img { width: 88px; height: 88px; border-radius: 50%; box-shadow: 0 0 0 4px #161b22, 0 8px 22px rgba(0,0,0,.4); background: #000; }
.theme h4, .version h4 { font-size: 17px; }
.ver { color: var(--muted); font-weight: 500; font-size: 14px; margin-left: 4px; }
.theme p, .version p { margin: 3px 0 10px; color: var(--muted); font-size: 15px; }
.date { white-space: nowrap; }
.row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.dl { font-size: 14px; font-weight: 600; }
.badge { font-size: 14px; font-weight: 600; color: var(--ok); }
.version .num { font: italic 700 26px/1 var(--font-display); color: var(--blue-hi); padding-top: 2px; }
.version.is-current .num { color: var(--ok); }
.version.is-older .num { color: var(--muted); }
.empty { color: var(--muted); padding: 10px 0; }
@media (max-width: 760px) { .dl-grid { grid-template-columns: 1fr; gap: 18px; } }

details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 12px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg) translateY(-2px); transition: transform .2s ease;
}
details[open] > summary::before { transform: rotate(45deg) translateY(-2px); }

.more { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 18px; }
.more summary { font: 600 17px/1.3 var(--font-display); }
.file-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.file-row input[type=file] { width: auto; max-width: 100%; min-height: 0; padding: 8px; font-size: 14px; }
.log {
  margin: 14px 0 0; max-height: 240px; min-height: 60px; overflow: auto;
  background: #0a1422; border: 1px solid var(--line); border-radius: 10px; padding: 12px;
  font-size: 13px; line-height: 1.5; color: #b8c6dc; white-space: pre-wrap;
}

/* intrebari */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { font: 600 18px/1.35 var(--font-display); }
.faq p { color: #c4d0e3; margin: 10px 0 0 22px; max-width: 64ch; }

/* subsol */
.foot { margin-top: 72px; border-top: 1px solid var(--line); background: var(--bg-2); padding: 34px 0 44px; font-size: 14px; }
.foot-in { display: grid; grid-template-columns: 1fr 2fr; gap: 28px; }
.foot .brand { margin-bottom: 8px; }
.foot p { margin: 0; }
.legal p { color: var(--muted); max-width: 70ch; }
.anpc { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 14px; }
@media (max-width: 680px) { .foot-in { grid-template-columns: 1fr; } }