/* ultraled.com — page de vente du domaine */
:root {
  --bg: #05060a;
  --bg-2: #0a0c12;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .065);
  --line: rgba(255, 255, 255, .085);
  --line-2: rgba(255, 255, 255, .15);
  --ink: #f3f6f9;
  --ink-2: #c8d0d9;
  --muted: #8d97a3;
  --led: #6ff3ff;
  --led-2: #2fd3ff;
  --led-glow: rgba(111, 243, 255, .45);
  --warm: #ffd27a;
  --danger: #ff7a8a;
  --ok: #6dffb0;
  --radius: 18px;
  --wrap: 1160px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
[hidden] { display: none !important; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
:focus-visible { outline: 2px solid var(--led); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -9999px; top: 12px; z-index: 100; background: #fff; color: #000; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 6, 10, .62);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; text-decoration: none; font-size: 18px; }
.brand b { color: var(--led); font-weight: 700; }
.brand i { font-style: normal; color: var(--muted); font-weight: 600; }
.brand-led {
  width: 10px; height: 10px; border-radius: 50%; background: var(--led);
  box-shadow: 0 0 8px var(--led), 0 0 22px var(--led-glow);
}
.header-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- Language switcher ---------- */
.flag {
  width: 22px; height: 15px; flex: none; object-fit: cover; border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .2);
}
.lang { position: relative; }
.lang summary {
  list-style: none; display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  border: 1px solid var(--line-2); border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 650;
  user-select: none; background: var(--surface); transition: background .2s;
}
.lang summary:hover { background: var(--surface-2); }
.lang summary::-webkit-details-marker { display: none; }
.caret { width: 14px; height: 14px; color: var(--muted); transition: transform .2s; }
.lang[open] .caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); margin: 0; padding: 8px; list-style: none;
  background: #0d1016; border: 1px solid var(--line-2); border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px;
  width: min(340px, calc(100vw - 32px));
  animation: pop .18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(-4px); } }
.lang-menu a {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 10px;
  text-decoration: none; font-size: 14.5px; color: var(--ink-2); white-space: nowrap;
}
.lang-menu a:hover { background: var(--surface-2); color: var(--ink); }
.lang-menu a[aria-current] { background: rgba(111, 243, 255, .1); color: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent;
  font: 650 15.5px/1 var(--font); letter-spacing: -.005em; text-decoration: none; cursor: pointer;
  white-space: nowrap; transition: transform .15s ease, box-shadow .25s ease, background .25s ease, border-color .25s;
}
.btn:active { transform: translateY(1px); }
.btn-ic { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .btn-ic { transform: translateX(3px); }
.btn-primary {
  color: #021318;
  background: linear-gradient(180deg, #b6fbff 0%, var(--led) 50%, #3edcf6 100%);
  box-shadow: 0 0 0 1px rgba(111, 243, 255, .6), 0 10px 34px rgba(111, 243, 255, .28), inset 0 1px 0 rgba(255, 255, 255, .7);
}
.btn-primary:hover { box-shadow: 0 0 0 1px rgba(111, 243, 255, .95), 0 12px 46px rgba(111, 243, 255, .45), inset 0 1px 0 rgba(255, 255, 255, .7); }
.btn-primary[disabled] { opacity: .7; cursor: progress; }
.btn-ghost { background: var(--surface); border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(255, 255, 255, .28); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; height: 56px; font-size: 16.5px; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(2, 19, 24, .25); border-top-color: #021318;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(56px, 9vw, 104px) 0 0; text-align: center; isolation: isolate; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -10% -10% 0; z-index: -2;
  background-image: radial-gradient(rgba(255, 255, 255, .15) 1px, transparent 1.6px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(58% 52% at 50% 34%, #000 0%, transparent 78%);
          mask-image: radial-gradient(58% 52% at 50% 34%, #000 0%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; left: 50%; top: 4%; z-index: -1; pointer-events: none;
  width: min(1100px, 150vw); height: 560px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(111, 243, 255, .2), rgba(47, 211, 255, .06) 55%, transparent);
}
.badge {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 30px;
  padding: 7px 15px 7px 11px; border: 1px solid var(--line-2); border-radius: 999px;
  background: rgba(255, 255, 255, .04); font-size: 13.5px; font-weight: 600; letter-spacing: .02em; color: var(--ink-2);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 2px var(--ok); } }

h1 { margin: 0; font-weight: 800; }
.wordmark {
  display: block; font-size: clamp(3.2rem, 13vw, 9.6rem); letter-spacing: -.055em; line-height: .95;
  padding: 0 .04em .06em; white-space: nowrap;
}
.w-ultra { color: #fff; }
.w-led {
  color: var(--led);
  text-shadow: 0 0 14px rgba(111, 243, 255, .6), 0 0 44px rgba(111, 243, 255, .38), 0 0 96px rgba(47, 211, 255, .28);
  animation: ignite 2.2s ease-out .25s both;
}
.w-tld { color: rgba(255, 255, 255, .34); }
@keyframes ignite {
  0% { opacity: .12; text-shadow: none; }
  8% { opacity: 1; }
  12% { opacity: .25; }
  18% { opacity: 1; }
  24% { opacity: .55; }
  32%, 100% { opacity: 1; }
}
.h1-sub {
  display: block; margin-top: 18px; font-size: clamp(1.35rem, 3.2vw, 2.15rem);
  font-weight: 600; letter-spacing: -.02em; line-height: 1.2; color: var(--ink-2);
}
.lead { max-width: 720px; margin: 22px auto 0; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.15rem); }

.facts { list-style: none; padding: 0; margin: 30px auto 0; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.facts li {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 16px 6px 6px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: 14px; color: var(--muted);
}
.facts b {
  display: inline-grid; place-items: center; min-width: 34px; height: 30px; padding: 0 10px; border-radius: 999px;
  background: rgba(111, 243, 255, .1); color: var(--led); font-size: 14px; font-weight: 700;
}

/* Price bar */
.price-bar {
  position: relative; margin: 48px auto 0; max-width: 920px; text-align: left;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px;
  padding: 22px 22px 22px 32px; border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border: 1px solid var(--line-2);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.price-bar::before {
  content: ""; position: absolute; left: 32px; right: 32px; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--led), transparent);
}
.pb-label { margin: 0 0 6px; font-size: 12px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.pb-price { margin: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; font-weight: 800; line-height: 1; }
.pb-price span { font-size: clamp(2.1rem, 4.4vw, 3rem); letter-spacing: -.035em; white-space: nowrap; }
.pb-price small {
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--warm);
  border: 1px solid rgba(255, 210, 122, .38); background: rgba(255, 210, 122, .06); padding: 5px 8px; border-radius: 7px;
}
.pb-note { margin: 0; padding-left: 28px; border-left: 1px solid var(--line); color: var(--muted); font-size: 14.5px; line-height: 1.5; }
.pb-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

/* LED strip */
.led-strip {
  display: flex; justify-content: center; gap: clamp(8px, 1.4vw, 16px);
  margin: clamp(56px, 8vw, 88px) auto 0; padding: 0 0 clamp(48px, 7vw, 72px); overflow: hidden;
}
.led-strip span {
  flex: none; width: 7px; height: 7px; border-radius: 50%; background: rgba(111, 243, 255, .14);
  animation: chase 3.6s linear infinite; animation-delay: calc(var(--i) * .075s);
}
@keyframes chase {
  0%, 100% { background: rgba(111, 243, 255, .14); box-shadow: none; }
  5% { background: #effeff; box-shadow: 0 0 6px #fff, 0 0 14px var(--led), 0 0 30px var(--led-glow); }
  16% { background: rgba(111, 243, 255, .38); box-shadow: 0 0 6px rgba(111, 243, 255, .3); }
}

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(72px, 10vw, 120px) 0; border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin: 0 0 clamp(36px, 5vw, 52px); }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
h2 { margin: 0 0 14px; font-size: clamp(1.95rem, 4.2vw, 3rem); line-height: 1.08; letter-spacing: -.035em; font-weight: 750; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.08rem; }
h3 { margin: 0 0 8px; font-size: 1.15rem; line-height: 1.3; letter-spacing: -.015em; font-weight: 680; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  padding: 28px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012));
  transition: border-color .3s, transform .3s, background .3s;
}
.card:hover { border-color: rgba(111, 243, 255, .35); transform: translateY(-3px); }
.card .ic {
  width: 46px; height: 46px; margin-bottom: 22px; border-radius: 13px; display: grid; place-items: center;
  color: var(--led); background: rgba(111, 243, 255, .08); border: 1px solid rgba(111, 243, 255, .22);
  box-shadow: 0 0 24px rgba(111, 243, 255, .08);
}
.card .ic svg { width: 22px; height: 22px; }
.card p, .step p { margin: 0; color: var(--muted); font-size: 15.5px; }

.section-uses { background: radial-gradient(700px 260px at 50% 100%, rgba(111, 243, 255, .07), transparent 70%); }
.chips { list-style: none; padding: 0; margin: 0 auto; max-width: 900px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chips li {
  display: inline-flex; align-items: center; gap: 10px; padding: 11px 18px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--surface); font-size: 15px; color: var(--ink-2);
}
.chips li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--led); box-shadow: 0 0 8px var(--led); }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.step-n { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; font-size: 13px; font-weight: 750; letter-spacing: .14em; color: var(--led); }
.step-n::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(111, 243, 255, .5), transparent); }

/* ---------- Offer form ---------- */
.offer { background: radial-gradient(900px 420px at 88% 0%, rgba(111, 243, 255, .08), transparent 70%); }
.offer-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.offer-aside { position: sticky; top: 100px; }
.offer-intro { margin: 0; color: var(--muted); font-size: 1.05rem; }
.ticket {
  margin-top: 28px; padding: 20px 24px; border-radius: 16px;
  border: 1px dashed rgba(111, 243, 255, .38); background: rgba(111, 243, 255, .04);
  display: flex; justify-content: space-between; align-items: center; gap: 10px 16px; flex-wrap: wrap;
}
.ticket-domain { font-weight: 750; font-size: 1.3rem; letter-spacing: -.02em; }
.ticket-domain b { color: var(--led); text-shadow: 0 0 16px rgba(111, 243, 255, .45); }
.ticket-price { font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em; white-space: nowrap; }
.ticket-price small { font-size: 12px; font-weight: 700; color: var(--warm); letter-spacing: .04em; text-transform: uppercase; }
.trust { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.trust li { display: flex; align-items: center; gap: 12px; color: var(--ink-2); font-size: 15.5px; }
.trust svg { width: 20px; height: 20px; flex: none; color: var(--ok); }

.form-card {
  padding: clamp(22px, 3.6vw, 38px); border-radius: 26px; background: #0b0e14;
  border: 1px solid var(--line-2); box-shadow: 0 30px 90px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .05);
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.field .req { color: var(--led); }
.field .opt { font-weight: 400; color: var(--muted); font-size: 13px; }
.field input, .field textarea {
  width: 100%; font: 400 16px/1.4 var(--font); color: var(--ink); background: #06080c;
  border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 14px; outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s; -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #5b6470; }
.field input:hover, .field textarea:hover { border-color: rgba(255, 255, 255, .24); }
.field input:focus, .field textarea:focus { border-color: var(--led); box-shadow: 0 0 0 4px rgba(111, 243, 255, .14); background: #070a0f; }
.field[data-invalid] input, .field[data-invalid] textarea { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(255, 122, 138, .1); }
.field .err { font-size: 13px; color: var(--danger); }
.field .err:empty { display: none; }
.field .hint { font-size: 13px; color: var(--muted); }
.input-unit { position: relative; }
.input-unit input { padding-right: 46px; font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.input-unit .unit { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 700; }
.form-foot { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.fine { margin: 0; display: flex; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.form-msg { display: none; margin: 0 0 20px; padding: 12px 14px; border-radius: 12px; font-size: 14.5px; }
.form-msg.is-error { display: block; background: rgba(255, 122, 138, .08); border: 1px solid rgba(255, 122, 138, .35); color: #ffc4cc; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.success { text-align: center; padding: 36px 8px; outline: none; }
.success h3 { font-size: 1.45rem; margin-bottom: 10px; }
.success p { margin: 0 auto; color: var(--muted); max-width: 420px; }
.ok-ic {
  width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center;
  color: var(--ok); background: rgba(109, 255, 176, .08); border: 1px solid rgba(109, 255, 176, .4);
  box-shadow: 0 0 36px rgba(109, 255, 176, .2);
}
.ok-ic svg { width: 32px; height: 32px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; position: relative; padding: 22px 48px 22px 0;
  font-weight: 650; font-size: 1.08rem; letter-spacing: -.01em; transition: color .2s;
}
.faq summary:hover { color: #fff; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 14px; margin-top: -7px;
  background:
    linear-gradient(var(--led), var(--led)) center / 14px 2px no-repeat,
    linear-gradient(var(--led), var(--led)) center / 2px 14px no-repeat;
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 48px 24px 0; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 52px 0 40px; color: var(--muted); font-size: 14px; }
.footer-top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.footer-tag { margin: 12px 0 0; }
.footer-h { margin: 0 0 12px; font-size: 12px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.footer-langs { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, auto); gap: 8px 22px; }
.footer-langs a { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; padding: 3px 0; transition: color .2s; }
.footer-langs a:hover, .footer-langs a[aria-current] { color: var(--ink); }
.footer-bottom { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; }
.footer-bottom a { text-decoration: none; color: var(--led); }

/* ---------- Mobile CTA ---------- */
.mobile-cta { display: none; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; transition-delay: calc(var(--d, 0) * 90ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-bar { grid-template-columns: 1fr; text-align: center; gap: 16px; padding: 26px 22px; }
  .pb-price { justify-content: center; }
  .pb-note { border-left: 0; padding-left: 0; }
  .pb-actions { justify-content: center; }
  .offer-grid { grid-template-columns: 1fr; }
  .offer-aside { position: static; }
  .footer-langs { grid-template-columns: repeat(2, auto); }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .steps { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .pb-actions .btn { width: 100%; }
  .header-cta { display: none; }
  .card, .step { padding: 24px; }

  .mobile-cta {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 60;
    padding: 10px 10px 10px 18px; border-radius: 999px;
    background: rgba(13, 16, 22, .88); border: 1px solid var(--line-2);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .5);
    transform: translateY(160%); transition: transform .35s ease;
  }
  .mobile-cta.show { transform: none; }
  .mc-info { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
  .mc-domain { font-weight: 750; font-size: 15px; }
  .mc-domain b { color: var(--led); }
  .mc-price { font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
@media (max-width: 380px) {
  .wordmark { font-size: 2.9rem; }
  .lang summary span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .led-strip span:nth-child(4n+1) { background: rgba(111, 243, 255, .5); }
}