/* UniPower store · light theme by design · RTL first */
:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --ink: #0f1b2d;
  --muted: #556275;
  --line: #dfe5ee;
  --navy: #0b2545;
  --navy-2: #13325c;
  --blue: #1d6fe0;
  --blue-soft: #eaf1fc;
  --amber: #f2a516;
  --amber-ink: #1a1200;
  --ok: #2f855a;
  --crit: #c4362d;
  --f-display: "Readex Pro", "IBM Plex Sans Arabic", Tahoma, sans-serif;
  --f-body: "IBM Plex Sans Arabic", Tahoma, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", Consolas, monospace;
  --radius: 10px;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.75; }
img, svg { max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.35; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(28px, 5vw, 44px); }
h2 { font-size: clamp(22px, 3.4vw, 30px); }
h3 { font-size: 18px; }
p { margin: 0; }
.mono { font-family: var(--f-mono); direction: ltr; unicode-bidi: isolate; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.wrap { max-width: 1180px; margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.section { padding-block: 56px; display: grid; gap: 24px; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px; }
.eyebrow { font-size: 13px; font-weight: 600; color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 20px; border-radius: 8px; border: 1px solid transparent; font: 600 15px var(--f-body); text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s; }
.btn-buy { background: var(--amber); color: var(--amber-ink); }
.btn-buy:hover { background: #e09a10; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #165dc0; }
.btn-line { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { background: transparent; color: #fff; border-color: #4d6a95; }
.btn-ghost:hover { background: var(--navy-2); }
.btn-wa { background: #1f9d55; color: #fff; }
.btn-wa:hover { background: #188046; }
.btn-block { width: 100%; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* top strip + header */
.strip { background: var(--navy); color: #c9d6ea; font-size: 13px; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between; padding-block: 6px; }
.strip a { color: #fff; text-decoration: none; }
.hdr { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.hdr .wrap { display: flex; align-items: center; gap: 16px 24px; padding-block: 12px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font: 700 20px var(--f-display); }
.logo small { display: block; font: 500 11px var(--f-body); color: var(--muted); }
.search { flex: 1; max-width: 420px; position: relative; }
.search input { width: 100%; min-height: 42px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; font: 15px var(--f-body); background: var(--bg); color: var(--ink); }
.search-results { position: absolute; inset-inline: 0; top: calc(100% + 4px); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 10px 30px rgba(11, 37, 69, .12); overflow: hidden; }
.search-results a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.search-results a:last-child { border: 0; }
.search-results a:hover, .search-results a:focus { background: var(--blue-soft); }
.nav { display: flex; gap: 4px; }
.nav a { padding: 8px 12px; border-radius: 6px; text-decoration: none; color: var(--ink); font-weight: 500; white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--blue-soft); color: var(--blue); }
.hdr-actions { display: flex; gap: 8px; margin-inline-start: auto; }
.icon-btn { position: relative; display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; cursor: pointer; }
.icon-btn svg { width: 22px; height: 22px; }
.badge { position: absolute; top: -6px; inset-inline-start: -6px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 10px; background: var(--amber); color: var(--amber-ink); font: 600 12px/20px var(--f-mono); text-align: center; }
.menu-btn { display: none; }

@media (max-width: 960px) {
  .hdr .wrap { flex-wrap: wrap; }
  .search { order: 5; flex-basis: 100%; max-width: none; }
  .menu-btn { display: inline-grid; }
  .nav { display: none; order: 6; flex-basis: 100%; flex-direction: column; }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
}

/* hero */
.hero { background: var(--navy); color: #fff; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: center; padding-block: 56px; }
.hero p.lead { color: #b9c7dc; font-size: 18px; max-width: 34em; margin-top: 14px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-art { display: grid; place-items: center; }
.load { display: flex; gap: 6px; align-items: center; justify-content: flex-start; font: 500 13px var(--f-mono); color: var(--amber); direction: ltr; margin-bottom: 14px; }
.load i { width: 22px; height: 10px; border: 1.5px solid var(--amber); border-radius: 2px; }
.load i.on { background: var(--amber); }
@media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; padding-block: 40px; } .hero-art { display: none; } }

.trust { background: var(--surface); border-bottom: 1px solid var(--line); }
.trust .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-block: 18px; }
.trust div { display: grid; gap: 2px; }
.trust b { font-family: var(--f-display); color: var(--navy); }
.trust span { color: var(--muted); font-size: 14px; }
@media (max-width: 720px) { .trust .wrap { grid-template-columns: repeat(2, 1fr); } }

/* use tiles */
.uses { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.use { display: grid; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.use:hover { border-color: var(--blue); transform: translateY(-2px); }
.use b { font-family: var(--f-display); font-size: 16px; }
.use span { font-size: 13px; color: var(--muted); }
.use em { font-style: normal; font-size: 13px; color: var(--blue); font-weight: 600; margin-top: 6px; }

/* product grid + card */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.card { display: grid; grid-template-rows: auto auto 1fr auto auto; gap: 10px; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.card .pic { display: grid; place-items: center; aspect-ratio: 4 / 3; max-width: 100%; border-radius: 8px; background: linear-gradient(160deg, var(--blue-soft), var(--bg)); text-decoration: none; }
.card .pic svg { height: 82%; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--blue); }
.card .sub { font-size: 13px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; font-weight: 600; padding: 1px 9px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); }
.tag.li { background: #eef1f5; color: var(--muted); }
.tag.best { background: #fff4dc; color: #8a5a00; }
.specs { display: flex; flex-wrap: wrap; gap: 6px; }
.specs span { font: 500 12px var(--f-mono); border: 1px solid var(--line); border-radius: 4px; padding: 0 6px; direction: ltr; }
.price-row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.price { font: 700 20px var(--f-display); }
.price small { font: 500 13px var(--f-body); color: var(--muted); }
.stock { font-size: 13px; color: var(--ok); }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.cmp-toggle { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; }

/* explainer table */
.tbl { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: start; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; background: var(--bg); }
tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; direction: ltr; text-align: end; }

/* band */
.band { background: var(--navy); color: #fff; border-radius: 14px; padding: 32px; display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.band p { color: #b9c7dc; max-width: 40em; }
.brands { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.brand { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); display: grid; gap: 8px; }
.brand .mark { font: 700 34px var(--f-display); letter-spacing: .06em; color: var(--navy); direction: ltr; text-align: right; }

/* listing */
.listing { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
.filters { position: sticky; top: 90px; display: grid; gap: 20px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.filters fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 6px; }
.filters legend { font: 600 15px var(--f-display); margin-bottom: 6px; }
.filters label { display: flex; align-items: center; gap: 8px; font-size: 15px; cursor: pointer; }
.filters input[type="checkbox"], .filters input[type="radio"] { width: 18px; height: 18px; accent-color: var(--blue); }
.filters input[type="range"] { width: 100%; accent-color: var(--blue); }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; margin-bottom: 16px; }
select, .field input, .field textarea, .field select { min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font: 15px var(--f-body); background: var(--surface); color: var(--ink); width: 100%; }
.toolbar select { width: auto; }
.filters-btn { display: none; }
.empty { padding: 40px; text-align: center; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
@media (max-width: 900px) {
  .listing { grid-template-columns: 1fr; }
  .filters { display: none; position: static; }
  .filters.open { display: grid; }
  .filters-btn { display: inline-flex; }
}

/* compare bar */
.cmpbar { position: fixed; inset-inline: 0; bottom: 0; z-index: 30; background: var(--navy); color: #fff; padding-bottom: env(safe-area-inset-bottom, 0px); }
.cmpbar .wrap { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; padding-block: 10px; }
.cmpbar .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cmpbar .chip { font: 500 13px var(--f-mono); border: 1px solid #4d6a95; border-radius: 14px; padding: 2px 10px; direction: ltr; }

/* product page */
.crumbs { font-size: 14px; color: var(--muted); padding-block: 16px 0; }
.crumbs a { color: var(--muted); }
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-block: 24px 48px; }
.pdp .gallery { display: grid; place-items: center; aspect-ratio: 1; max-width: 100%; background: linear-gradient(160deg, var(--blue-soft), var(--surface)); border: 1px solid var(--line); border-radius: 14px; }
.pdp .gallery svg { height: 70%; }
.pdp .info { display: grid; gap: 16px; align-content: start; }
.buybox { display: grid; gap: 12px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.qty button { width: 40px; height: 42px; border: 0; background: var(--bg); font-size: 18px; cursor: pointer; color: var(--ink); }
.qty output, .qty span { min-width: 36px; text-align: center; font-family: var(--f-mono); }
.fit { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.fit div { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-size: 14px; }
.fit b { display: block; font-family: var(--f-display); }
.points { margin: 0; padding-inline-start: 20px; display: grid; gap: 6px; }
@media (max-width: 820px) { .pdp { grid-template-columns: 1fr; } .pdp .gallery { aspect-ratio: 4 / 3; } }
.sticky-buy { display: none; }
@media (max-width: 820px) {
  .sticky-buy { display: flex; position: fixed; inset-inline: 0; bottom: 0; z-index: 25; gap: 10px; align-items: center; justify-content: space-between; background: var(--surface); border-top: 1px solid var(--line); padding: 10px var(--gutter-r) calc(10px + env(safe-area-inset-bottom, 0px)) var(--gutter); }
  body:has(.sticky-buy) { padding-bottom: 76px; }
}

/* accordion */
details.qa { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; }
details.qa summary { cursor: pointer; font: 600 16px var(--f-display); }
details.qa[open] summary { margin-bottom: 8px; }
details.qa p { color: var(--muted); }
.qa-list { display: grid; gap: 10px; }

/* calculator */
.calc { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: start; }
.devs { display: grid; gap: 8px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.dev { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding-block: 6px; border-bottom: 1px solid var(--line); }
.dev:last-child { border-bottom: 0; }
.dev small { color: var(--muted); font-family: var(--f-mono); }
.result { position: sticky; top: 90px; display: grid; gap: 14px; padding: 20px; background: var(--navy); color: #fff; border-radius: 14px; }
.result .big { font: 700 36px var(--f-mono); direction: ltr; text-align: right; color: var(--amber); }
.result label { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: #c9d6ea; }
.result input[type="checkbox"] { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--amber); }
.recs { display: grid; gap: 10px; }
.rec { display: grid; gap: 4px; padding: 14px; border-radius: 10px; background: var(--surface); color: var(--ink); }
.rec .lbl { font-size: 12px; font-weight: 600; color: var(--blue); }
.rec .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } .result { position: static; } }

/* cart + forms */
.cart { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: start; }
.lines { display: grid; gap: 10px; }
.line { display: grid; grid-template-columns: 72px 1fr auto; gap: 14px; align-items: center; padding: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.line .thumb { width: 72px; height: 72px; display: grid; place-items: center; background: var(--blue-soft); border-radius: 8px; }
.line .thumb svg { height: 80%; }
.line .ctl { display: grid; gap: 6px; justify-items: end; }
.link-btn { background: none; border: 0; color: var(--crit); font: 14px var(--f-body); cursor: pointer; padding: 4px; }
.panel { display: grid; gap: 14px; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.sum-row { display: flex; justify-content: space-between; gap: 10px; }
.sum-row.total { font: 700 20px var(--f-display); border-top: 1px solid var(--line); padding-top: 12px; }
.form { display: grid; gap: 14px; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 4px; }
.field label { font-size: 14px; font-weight: 600; }
.field .err { color: var(--crit); font-size: 13px; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--crit); }
.radio-cards { display: grid; gap: 8px; }
.radio-cards label { display: flex; gap: 10px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; font-weight: 500; }
.radio-cards input { width: 18px; height: 18px; accent-color: var(--blue); }
.radio-cards label:has(input:checked) { border-color: var(--blue); background: var(--blue-soft); }
.done { display: grid; gap: 12px; padding: 20px; border: 1px solid var(--ok); border-radius: var(--radius); background: #effaf3; }
@media (max-width: 860px) { .cart { grid-template-columns: 1fr; } .form-2 { grid-template-columns: 1fr; } }

/* page head */
.phead { background: var(--surface); border-bottom: 1px solid var(--line); }
.phead .wrap { padding-block: 32px; display: grid; gap: 8px; }
.phead p { color: var(--muted); max-width: 46em; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.ds-list { display: grid; gap: 8px; }
.ds-list a { display: flex; justify-content: space-between; gap: 10px; padding: 12px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--ink); }
.ds-list a:hover { border-color: var(--blue); }
.info-list { display: grid; gap: 14px; }
.info-list div { display: grid; gap: 2px; }
.info-list span { font-size: 13px; color: var(--muted); }

/* footer */
.ftr { background: var(--navy); color: #c9d6ea; margin-top: 40px; }
.ftr .wrap { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; padding-block: 44px 24px; }
.ftr h4 { color: #fff; font-size: 15px; margin-bottom: 10px; }
.ftr a { color: #c9d6ea; text-decoration: none; display: block; padding-block: 3px; }
.ftr a:hover { color: #fff; }
.ftr .copy { grid-column: 1 / -1; border-top: 1px solid var(--navy-2); padding-top: 16px; font-size: 13px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
@media (max-width: 820px) { .ftr .wrap { grid-template-columns: 1fr 1fr; } }

/* single floating whatsapp */
.wa-float { position: fixed; z-index: 24; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); left: calc(18px + env(safe-area-inset-left, 0px)); width: 56px; height: 56px; border-radius: 50%; background: #1f9d55; display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0, 0, 0, .2); }
.wa-float svg { width: 30px; height: 30px; }
body:has(.sticky-buy) .wa-float, body:has(.cmpbar) .wa-float { bottom: calc(90px + env(safe-area-inset-bottom, 0px)); }

.toast { position: fixed; z-index: 40; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 15px; display: flex; gap: 12px; align-items: center; }
.toast a { color: var(--amber); font-weight: 600; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }