/* Al-Arjah for Chemicals — main stylesheet.
   Colors come from the logo. Logical properties (margin-inline, inset-inline...) make the
   same CSS work for Arabic (RTL) and English (LTR). */

:root {
  --primary: #1f6fc5;
  --primary-dark: #0f4f93;
  --navy: #024b66;
  --sky: #d1f1fd;
  --gray: #9aa3ab;
  --text: #1d2a35;
  --muted: #5b6b78;
  --line: #e3eaf0;
  --bg: #ffffff;
  --bg-soft: #f3f8fc;
  --whatsapp: #25d366;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(2, 75, 102, .08);
  --shadow-hover: 0 14px 34px rgba(2, 75, 102, .16);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Cairo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
h1, h2, h3 { line-height: 1.3; margin: 0 0 .6em; color: var(--navy); }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 20px; }
.center { text-align: center; }
.muted { color: var(--muted); font-size: .95rem; }

.icon { width: 1.1em; height: 1.1em; flex-shrink: 0; vertical-align: -.15em; }
[dir="rtl"] .icon-arrow { transform: scaleX(-1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .75em 1.6em;
  border: 2px solid var(--primary);
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font: inherit; font-weight: 700;
  cursor: pointer;
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; border-color: #fff; color: var(--navy); }
.btn-light:hover { background: var(--sky); border-color: var(--sky); color: var(--navy); }
.btn-whatsapp { background: var(--whatsapp); border-color: var(--whatsapp); }
.btn-whatsapp:hover { background: #1da851; border-color: #1da851; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5em; }

.kicker {
  display: inline-block;
  color: var(--primary);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .4em;
}

/* ---------- Top bar & header ---------- */
.topbar { background: var(--navy); color: #fff; font-size: .9rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 40px; }
.topbar a { color: #fff; display: inline-flex; align-items: center; gap: .4em; }
.topbar a:hover { color: var(--sky); }
.topbar-links { display: flex; gap: 24px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px);
  transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 2px 18px rgba(2, 75, 102, .1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 20px; }
.logo img { width: 190px; height: auto; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: var(--text);
  font-weight: 600;
  padding: .45em .9em;
  border-radius: 999px;
  transition: background .2s, color .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); background: var(--bg-soft); }
.main-nav .lang-switch {
  display: inline-flex; align-items: center; gap: .4em;
  border: 2px solid var(--line);
  margin-inline-start: 8px;
}
.menu-toggle {
  display: none;
  background: none; border: 0; padding: 8px;
  color: var(--navy); cursor: pointer;
}
.menu-toggle .icon { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 90px;
  background: linear-gradient(135deg, #fff 0%, var(--bg-soft) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: 46%;
  background: url("../images/hero-bg.png") no-repeat center / contain;
  opacity: .55;
  pointer-events: none;
}
[dir="rtl"] .hero::after { transform: scaleX(-1); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.hero-text p { font-size: 1.1rem; color: var(--muted); max-width: 640px; }
.hero-stats { display: grid; gap: 16px; }
.stat {
  display: flex; align-items: center; gap: 18px;
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: var(--shadow);
  border-inline-start: 5px solid var(--primary);
}
.stat strong { font-size: 2.2rem; font-weight: 800; color: var(--navy); line-height: 1; direction: ltr; }
.stat span { color: var(--muted); font-weight: 600; }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head p { color: var(--muted); }

.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.section .center { margin-top: 40px; }

/* ---------- Cards ---------- */
.card {
  display: flex; flex-direction: column;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  color: var(--text);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); color: var(--text); }
.card-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card .card-img { aspect-ratio: 1; }
.product-card .card-img img { object-fit: contain; padding: 12px; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { margin-bottom: .5em; }
.card-meta {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: .4em;
  color: var(--primary); font-weight: 600; font-size: .92rem;
}

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.split p { color: var(--muted); }

.check-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.check-grid li {
  display: flex; align-items: center; gap: 12px;
  background: #fff; padding: 18px 22px;
  border-radius: var(--radius); box-shadow: var(--shadow);
  font-weight: 600;
}
.check-grid .icon { color: #fff; background: var(--primary); border-radius: 50%; padding: 5px; width: 30px; height: 30px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy), var(--primary)); color: #fff; padding: 56px 0; }
.cta-band h2 { color: #fff; margin-bottom: .3em; }
.cta-band p { margin: 0; opacity: .9; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }

/* ---------- Inner page hero & breadcrumb ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy), var(--primary));
  color: #fff;
  padding: 56px 0 50px;
}
.page-hero h1 { color: #fff; margin-bottom: .3em; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: .95rem; opacity: .9; }
.breadcrumb a { color: var(--sky); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Category page ---------- */
.with-sidebar { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }
.sidebar {
  position: sticky; top: 110px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 22px;
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar a {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55em .8em;
  border-radius: 10px;
  color: var(--text); font-weight: 600;
}
.sidebar a:hover, .sidebar a.active { background: #fff; color: var(--primary); }
.sidebar small { background: #fff; color: var(--muted); border-radius: 999px; padding: 0 .6em; font-size: .8rem; }
.sidebar a.active small { background: var(--primary); color: #fff; }

.category-banner img { width: 100%; max-height: 260px; object-fit: cover; border-radius: var(--radius); margin-bottom: 24px; }

.search-box { position: relative; margin-bottom: 10px; }
.search-box .icon { position: absolute; inset-inline-start: 16px; top: 50%; transform: translateY(-50%); color: var(--gray); }
.search-box input {
  width: 100%;
  padding: .8em 1em;
  padding-inline-start: 46px;
  border: 2px solid var(--line);
  border-radius: 999px;
  font: inherit;
}
.search-box input:focus { outline: none; border-color: var(--primary); }

.materials {
  list-style: none; padding: 0; margin: 18px 0 30px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px;
}
.materials a {
  display: block; height: 100%;
  padding: .7em 1em;
  border: 1px solid var(--line);
  border-inline-start: 4px solid var(--primary);
  border-radius: 10px;
  color: var(--text);
  font-weight: 600; font-size: .95rem; line-height: 1.5;
  transition: background .2s, border-color .2s;
}
.materials a:hover { background: var(--bg-soft); border-color: var(--primary); color: var(--primary-dark); }
.materials li[hidden] { display: none; }

.note {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--sky);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-weight: 600; color: var(--navy);
}
.note a { display: inline-flex; align-items: center; gap: .4em; font-weight: 700; }

/* ---------- Product page ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.product-img { background: var(--bg-soft); border-radius: var(--radius); padding: 24px; }
.product-img img { margin-inline: auto; }
.product-detail p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
.contact-form label { display: block; font-weight: 600; margin-bottom: 16px; }
.contact-form input, .contact-form textarea {
  display: block; width: 100%;
  margin-top: 6px;
  padding: .75em 1em;
  border: 2px solid var(--line);
  border-radius: 10px;
  font: inherit; font-weight: 400;
  background: #fff;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; inset-inline-start: -9999px; }

.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 600; }
.alert-success { background: #e6f8ee; color: #146c3a; }
.alert-error { background: #fdecec; color: #a12626; }

.contact-info { background: var(--bg-soft); border-radius: var(--radius); padding: 30px; }
.contact-info ul { list-style: none; padding: 0; margin: 0 0 24px; }
.contact-info li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-info li:last-child { border-bottom: 0; }
.contact-info li > .icon { color: var(--primary); width: 22px; height: 22px; margin-top: 4px; }
.contact-info li div { display: flex; flex-direction: column; }
.contact-info span { color: var(--muted); font-size: .9rem; }
.contact-info a, .contact-info bdi { color: var(--text); font-weight: 600; }

/* ---------- 404 ---------- */
.not-found strong { display: block; font-size: 6rem; font-weight: 800; color: var(--sky); line-height: 1; }

/* ---------- Footer ---------- */
.site-footer { background: #0c2433; color: #b9c7d1; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; padding-block: 60px 40px; }
.footer-logo { background: #fff; padding: 10px 14px; border-radius: 10px; width: 180px; margin-bottom: 16px; }
.site-footer h3 { color: #fff; font-size: 1.05rem; margin-bottom: 1em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .5em; }
.site-footer a { color: #b9c7d1; }
.site-footer a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon { margin-top: .35em; color: var(--sky); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; text-align: center; font-size: .9rem; }

.whatsapp-btn {
  position: fixed; bottom: 22px; inset-inline-end: 22px; z-index: 60;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--whatsapp); color: #fff;
  box-shadow: 0 8px 22px rgba(37, 211, 102, .4);
  transition: transform .2s;
}
.whatsapp-btn:hover { transform: scale(1.08); color: #fff; }
.whatsapp-btn .icon { width: 28px; height: 28px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; order: 2; }
}

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute; top: 100%; inset-inline: 0;
    flex-direction: column; align-items: stretch;
    background: #fff;
    padding: 12px 20px 20px;
    box-shadow: 0 12px 24px rgba(2, 75, 102, .12);
  }
  .nav-open .main-nav { display: flex; }
  .main-nav .lang-switch { margin: 8px 0 0; justify-content: center; }

  .hero { padding: 50px 0 60px; }
  .hero::after { width: 70%; opacity: .25; }
  .hero-inner, .split, .product-detail, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
}

@media (max-width: 560px) {
  .container { padding-inline: 16px; }
  .topbar-links a:last-child { display: none; }
  .logo img { width: 150px; }
  .grid { gap: 14px; }
  .card-body { padding: 12px 14px 14px; }
  .card-body h3 { font-size: 1rem; }
  .form-row, .check-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}