/* ===========================================================
   NOUR DATASHEET — shared styles
   Mobile-first · Arabic RTL · Blue/White · 3D / animated feel
   =========================================================== */

:root {
  /* Brand palette */
  --navy: #07254d;
  --navy-2: #0a3a72;
  --blue: #0b57b8;
  --blue-2: #1769c9;
  --blue-3: #2f8ae0;
  --sky: #eaf2fb;
  --sky-2: #d8e8fb;
  --red: #e8312a;
  --ink: #0f1b2d;
  --muted: #5b6b80;
  --line: #e2eaf3;
  --white: #ffffff;
  --bg: #f4f8fd;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(11, 87, 184, .08);
  --shadow: 0 12px 34px rgba(8, 47, 96, .12);
  --shadow-lg: 0 26px 60px rgba(8, 47, 96, .22);
  --ring: 0 0 0 4px rgba(47, 138, 224, .18);

  --grad-blue: linear-gradient(135deg, #1769c9 0%, #0b57b8 45%, #07254d 100%);
  --grad-sky: linear-gradient(160deg, #ffffff 0%, #eaf2fb 100%);
  --grad-hero: radial-gradient(1200px 600px at 80% -10%, #1f78d6 0%, rgba(31,120,214,0) 60%),
               radial-gradient(900px 500px at -10% 10%, #0a3a72 0%, rgba(10,58,114,0) 55%),
               linear-gradient(160deg, #07254d 0%, #0a3a72 55%, #0b57b8 100%);

  --font-ar: "Cairo", "Tajawal", "Segoe UI", Tahoma, sans-serif;
  --font-en: "Orbitron", "Montserrat", var(--font-ar);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-ar);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  direction: rtl;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

/* ---------- Logos: ALWAYS keep original aspect ratio, never stretch ----------
   Applies to the named logo classes plus every concrete logo image used on the
   site. The logo is naturally ~600x343 (≈1.75:1); these rules let the browser
   compute the missing dimension from that ratio instead of forcing a banner. */
img.logo, .logo-img, .site-logo, .header-logo, .footer-logo,
.hero-logo, .product-logo {
  width: auto;
  max-width: 260px;
  height: auto;
  max-height: 95px;
  object-fit: contain;
  aspect-ratio: auto;
  display: block;
}
.logo-card, .footer-logo-card, .hero-logo-card, .product-logo-card {
  width: fit-content;
  max-width: 90%;
  margin-inline: auto;
  padding: 12px 22px;
  border-radius: 18px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
a { color: inherit; text-decoration: none; }

/* inline icons default to text-size; illustration SVGs override to 100% below */
svg { width: 1.15em; height: 1.15em; flex: 0 0 auto; vertical-align: -0.16em; }
.card-media svg, .hero-photo svg,
.dim-illus svg, .empty svg, .f-logo svg, .hero-logo-wrap svg {
  width: 100%; height: auto; vertical-align: middle;
}
.icon-btn svg { width: 20px; height: 20px; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 16px; }

/* ---------- Sticky mini header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex; align-items: center; gap: 12px;
  min-height: 60px;
}
.site-header .logo-mini {
  width: auto; height: 38px; max-width: 120px; object-fit: contain;
  aspect-ratio: auto; border-radius: 8px;
}
.site-header .brand-mini { display: flex; flex-direction: column; line-height: 1.15; }
.site-header .brand-mini b { font-weight: 800; font-size: .98rem; color: var(--navy); }
.site-header .brand-mini span { font-size: .72rem; color: var(--muted); }
.site-header .spacer { margin-inline-start: auto; }
.site-header .mini-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 12px; background: var(--sky); color: var(--blue);
  border: 1px solid var(--line); transition: .2s;
}
.icon-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.icon-btn.wa { background: #25d366; color: #fff; border-color: transparent; }

/* ---------- Buttons ---------- */
.btn {
  --b: var(--blue);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 18px; border-radius: 999px; font-weight: 700; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s;
  background: var(--b); color: #fff; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(-1px); }
.btn-wa { background: #25d366; }
.btn-fb { background: #1877f2; }
.btn-call { background: var(--grad-blue); }
.btn-ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn-outline { background: #fff; color: var(--blue); border-color: var(--sky-2); }
.btn-outline:hover { background: var(--sky); }
.btn-lg { padding: 14px 24px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- HERO header ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--grad-hero);
  padding: 30px 0 38px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 38px 38px; mask-image: radial-gradient(700px 380px at 70% 0%, #000, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-logo-wrap {
  display: inline-flex; background: #fff; padding: 14px 20px; border-radius: 20px;
  box-shadow: var(--shadow-lg); margin-bottom: 18px; animation: floaty 5s ease-in-out infinite;
}
.hero-logo-wrap img {
  height: 78px; width: auto; max-width: 100%; max-height: 78px;
  object-fit: contain; aspect-ratio: auto; display: block;
}
.title-en {
  font-family: var(--font-en); font-weight: 800; letter-spacing: 3px;
  font-size: clamp(2rem, 8vw, 3.6rem); line-height: 1.05; margin: 6px 0 4px;
  background: linear-gradient(180deg, #fff, #bfe0ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 6px 30px rgba(0,0,0,.25); direction: ltr;
}
.title-en .spark { color: var(--red); -webkit-text-fill-color: var(--red); }
.intro-ar {
  font-size: clamp(1rem, 3.4vw, 1.22rem); font-weight: 600; max-width: 760px;
  color: #eaf3ff; margin: 10px auto 0;
}
.hero-stats { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.stat {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  border-radius: 14px; padding: 8px 16px; backdrop-filter: blur(6px);
}
.stat b { font-size: 1.25rem; font-weight: 800; display: block; }
.stat span { font-size: .76rem; opacity: .85; }
.hero-contact { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
.hero.center { text-align: center; }

/* ---------- Toolbar (search + category chips) ---------- */
.toolbar {
  position: static;
  z-index: auto;
  background: var(--bg);
  padding: 12px 0 8px;
  border-bottom: 1px solid rgba(226, 234, 243, .75);
}
.search {
  display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 10px 16px; box-shadow: var(--shadow-sm);
}
.search input { border: 0; outline: 0; flex: 1; font-family: inherit; font-size: 1rem; background: transparent; }
.search svg { width: 20px; height: 20px; color: var(--muted); }
/* category buttons — responsive 3D grid (wraps to rows, no horizontal scroll) */
.chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* mobile: 2 per row */
  gap: 8px;
  padding: 10px 2px 4px;
}
.chip {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  text-align: center; min-height: 48px; padding: 8px 10px;
  border-radius: 14px; border: 1px solid var(--line);
  background: linear-gradient(160deg, #ffffff 0%, #eef5fe 100%);
  color: var(--navy); font-weight: 800; font-size: .84rem; line-height: 1.25;
  cursor: pointer; white-space: normal; overflow-wrap: anywhere;
  box-shadow:
    0 8px 18px rgba(8, 47, 96, .08),
    0 2px 0 rgba(7, 37, 77, .06),
    inset 0 1px 0 rgba(255, 255, 255, .95);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
.chip:hover { transform: translateY(-2px); border-color: var(--blue-3); box-shadow: 0 12px 22px rgba(11, 87, 184, .16); }
.chip:active { transform: translateY(-1px); }
.chip.active {
  background: var(--grad-blue); color: #fff; border-color: transparent;
  box-shadow: 0 12px 24px rgba(11, 87, 184, .28);
}
.chip .n { opacity: .8; font-weight: 700; font-size: .8em; }
.chip.active .n { opacity: .92; }
@media (min-width: 560px) { .chips { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .chips { grid-template-columns: repeat(4, 1fr); gap: 12px; } }
@media (min-width: 1024px) {
  .chips { grid-template-columns: repeat(7, 1fr); gap: 10px; }
  .chip { min-height: 52px; font-size: .86rem; }
}

/* ---------- Category sections ---------- */
.category-section { padding: 26px 0 6px; }
.category-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.category-head .idx {
  width: 42px; height: 42px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-blue); color: #fff; font-weight: 800; box-shadow: var(--shadow-sm);
}
.category-head h2 { margin: 0; font-size: clamp(1.2rem, 4.5vw, 1.6rem); color: var(--navy); }
.category-head p { margin: 2px 0 0; color: var(--muted); font-size: .85rem; }
.category-head .count { margin-inline-start: auto; background: var(--sky); color: var(--blue); font-weight: 700;
  padding: 4px 12px; border-radius: 999px; font-size: .8rem; }

/* ---------- Product grid + cards ---------- */
.grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media {
  position: relative; aspect-ratio: 4/3; background: var(--grad-sky); display: grid; place-items: center; overflow: hidden;
}
.card-media img { width: 100%; height: 100%; object-fit: contain; padding: 10px; transition: transform .4s; }
.card:hover .card-media img { transform: scale(1.05); }
.card-media .cat-tag {
  position: absolute; inset-inline-start: 10px; inset-block-start: 10px;
  background: rgba(7,37,77,.82); color: #fff; font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.card-media .size-tag {
  position: absolute; inset-inline-end: 10px; inset-block-end: 10px;
  background: rgba(255,255,255,.92); color: var(--blue); font-size: .72rem; font-weight: 800; padding: 4px 10px;
  border-radius: 999px; direction: ltr; box-shadow: var(--shadow-sm);
}
.card-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-title { font-weight: 800; font-size: 1.02rem; color: var(--navy); margin: 0; min-height: 2.6em; }
.card-dims { display: flex; gap: 6px; flex-wrap: wrap; }
.dim-pill {
  font-size: .74rem; font-weight: 700; color: var(--navy-2); background: var(--sky); border: 1px solid var(--sky-2);
  padding: 3px 9px; border-radius: 8px; direction: ltr;
}
.dim-pill b { color: var(--blue); }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: auto; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: #cfe0f4; margin-top: 40px; padding: 34px 0 24px; }
.footer .f-grid { display: grid; gap: 22px; }
.footer h3 { color: #fff; margin: 0 0 10px; font-size: 1.05rem; }
.footer .f-logo {
  background: #fff; padding: 10px 16px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  width: fit-content; max-width: 100%; overflow: hidden;
}
.footer .f-logo img {
  width: auto; max-width: 200px; height: auto; max-height: 56px;
  object-fit: contain; aspect-ratio: auto; display: block;
}
.footer a.f-link { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: #cfe0f4; transition: .2s; }
.footer a.f-link:hover { color: #fff; transform: translateX(-4px); }
.footer a.f-link svg { width: 20px; height: 20px; flex: 0 0 auto; }
.footer .copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 16px;
  font-size: .82rem; color: #9fb8d6; text-align: center; }

/* ===========================================================
   PRODUCT DATASHEET (detail page)
   =========================================================== */
.ds { padding-bottom: 30px; }
.ds-top {
  background: var(--grad-hero); color: #fff; padding: 18px 0 26px; position: relative; overflow: hidden;
}
.ds-top::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 34px 34px; mask-image: radial-gradient(600px 300px at 80% 0%, #000, transparent 75%);
}
.ds-top .container { position: relative; z-index: 2; }
.ds-top .crumbs { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.ds-top .crumbs a { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25); padding: 7px 13px; border-radius: 999px; font-weight: 700; font-size: .85rem; }
.ds-top .crumbs a:hover { background: rgba(255,255,255,.2); }
.ds-brandline {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; text-align: center;
}
.ds-brandline .product-logo-card {
  width: fit-content; max-width: 90%; margin: 0 auto; padding: 16px 28px;
  border-radius: 24px; background: #fff; display: flex; align-items: center;
  justify-content: center; overflow: hidden; box-shadow: var(--shadow-lg);
}
.ds-brandline .product-brand-logo {
  width: auto; max-width: min(70vw, 320px); height: auto; max-height: 120px;
  object-fit: contain; aspect-ratio: auto;
}
.ds-brandline .t b { font-family: var(--font-en); letter-spacing: 2px; font-size: 1.2rem; display: block; direction: ltr; }
.ds-brandline .t span { font-size: .82rem; opacity: .9; }
.ds-product-title { font-size: clamp(1.4rem, 5.5vw, 2.1rem); font-weight: 800; margin: 16px 0 4px; }
.ds-product-cat { display: inline-flex; gap: 8px; align-items: center; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25); padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: .85rem; }

/* section blocks */
.block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 18px; margin-top: 18px; }
.block-title { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--navy); font-size: 1.12rem; }
.block-title .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(232,49,42,.15); }
.section-pull { margin-top: -28px; position: relative; z-index: 3; }

/* main image */
.hero-photo { background: var(--grad-sky); border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3;
  display: grid; place-items: center; border: 1px solid var(--line); }
.hero-photo img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.product-gallery { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 14px; }
.product-gallery figure,.content-image { margin: 0; background: var(--grad-sky); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.product-gallery img,.content-image img { width: 100%; height: auto; max-height: 560px; object-fit: contain; }
.product-gallery figcaption,.content-image figcaption { padding: 9px 12px; color: var(--muted); text-align: center; font-size: .85rem; }
.content-table-wrap { overflow-x: auto; }
.content-table { width: 100%; border-collapse: collapse; }
.content-table td { border: 1px solid var(--line); padding: 11px 13px; }
.content-table tr:nth-child(odd) { background: var(--sky); }

/* dimensions */
.dim-illus { background: var(--grad-sky); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px; }
.dim-illus svg { width: 100%; height: auto; }
.dim-illus img, .dim-illus .dim-custom-image { width: 100%; height: auto; display: block; border-radius: var(--radius-sm); background: #fff; }
.dim-table { width: 100%; border-collapse: collapse; margin-top: 14px; overflow: hidden; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm); }
.dim-table th, .dim-table td { padding: 12px 14px; text-align: center; border: 1px solid var(--line); }
.dim-table thead th { background: var(--grad-blue); color: #fff; font-weight: 800; letter-spacing: .5px; }
.dim-table tbody td { font-weight: 700; color: var(--navy); }
.dim-table tbody td.lbl { background: var(--sky); color: var(--blue); font-weight: 800; }
.dim-table .unit { color: var(--muted); font-weight: 600; font-size: .85em; }
.dim-note { color: var(--muted); font-size: .82rem; margin-top: 8px; }

/* features */
.features { display: grid; gap: 10px; }
.feature { display: flex; gap: 10px; align-items: flex-start; background: var(--sky); border: 1px solid var(--sky-2);
  border-radius: var(--radius-sm); padding: 12px 14px; }
.feature svg { width: 22px; height: 22px; flex: 0 0 auto; color: var(--blue); margin-top: 2px; }
.feature p { margin: 0; font-weight: 600; }
.desc-text { white-space: pre-line; color: #243b57; }

/* custom-order note */
.note-custom { display: flex; gap: 12px; align-items: center; background: linear-gradient(135deg, #fff7ed, #ffe9e7);
  border: 1px dashed var(--red); border-radius: var(--radius-sm); padding: 14px 16px; color: #7a1d18; font-weight: 700; }
.note-custom svg { width: 26px; height: 26px; color: var(--red); flex: 0 0 auto; }

/* contact block on detail */
.ds-contact { background: var(--grad-blue); color: #fff; border: 0; }
.ds-contact .block-title { color: #fff; }
.ds-contact .cta-grid { display: grid; gap: 10px; }
.ds-contact .phone-big { font-family: var(--font-en); direction: ltr; font-size: 1.5rem; font-weight: 800; letter-spacing: 1px; }

/* sticky mobile action bar (detail) */
.action-bar {
  position: sticky; bottom: 0; z-index: 45; background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); padding: 10px 0; margin-top: 22px;
}
.action-bar .container { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Animations ---------- */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes spin3d { from { transform: rotateY(-18deg) rotateX(6deg); } to { transform: rotateY(18deg) rotateX(6deg); } }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 50% { box-shadow: 0 0 0 12px rgba(37,211,102,0); } }
.pulse { animation: pulse 2.2s infinite; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Empty state ---------- */
.empty { text-align: center; color: var(--muted); padding: 50px 0; }

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .footer .f-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
}
@media (min-width: 960px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .hero { padding: 46px 0 56px; }
  .action-bar { display: none; } /* sticky bar is a mobile convenience */
  .ds-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; align-items: start; }
  .ds-grid .span-2 { grid-column: 1 / -1; }
}