/* =========================================================
   Cementra — Design System
   Single stylesheet, logical properties => works for LTR (en) & RTL (ar)
   Toggle direction with <html dir="ltr|rtl" lang="en|ar">
   ========================================================= */

:root {
  /* Brand palette */
  --c-ink: #101b24;          /* deep industrial navy — header/footer/overlays */
  --c-ink-2: #1b2b38;
  --c-primary: #0e7ea8;      /* industrial blue */
  --c-primary-light: #3fc4e8;/* sky accent, ties back to original brand */
  --c-sand: #c9a06a;         /* cement / kraft-bag tone, used sparingly */
  --c-sand-light: #efe3d0;
  --c-bg: #f6f7f7;
  --c-white: #ffffff;
  --c-line: #e3e6e8;
  --c-text: #2c3640;
  --c-text-light: #64707a;

  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 10px 30px -12px rgba(16, 27, 36, 0.25);
  --shadow-sm: 0 4px 14px -6px rgba(16, 27, 36, 0.18);

  --container: 1200px;
  --header-h: 84px;

  --font-en: 'Poppins', 'Inter', system-ui, sans-serif;
  --font-en-body: 'Inter', system-ui, sans-serif;
  --font-ar: 'Tajawal', system-ui, sans-serif;
}

html[lang="ar"] { --font-en: var(--font-ar); --font-en-body: var(--font-ar); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-en-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-en); color: var(--c-ink); line-height: 1.25; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--c-text-light); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding-inline-start: 1.2em; }
button { font-family: inherit; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: 88px; }
.section--tight { padding-block: 56px; }
.section--dark { background: var(--c-ink); color: #cdd6dc; }
.section--dark h2, .section--dark h3 { color: var(--c-white); }
.section--dark p { color: #a9b6c0; }
.section--sand { background: var(--c-sand-light); }
.section--alt { background: var(--c-white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--c-primary); font-weight: 600; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--c-primary-light); display: inline-block; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 30px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 2px solid transparent; cursor: pointer; transition: .25s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-ink); transform: translateY(-2px); }
.btn--outline { border-color: rgba(255,255,255,.55); color: #fff; }
.btn--outline:hover { background: #fff; color: var(--c-ink); }
.btn--outline-dark { border-color: var(--c-ink); color: var(--c-ink); }
.btn--outline-dark:hover { background: var(--c-ink); color: #fff; }
.btn--sand { background: var(--c-sand); color: var(--c-ink); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn--sm { padding: 10px 20px; font-size: .85rem; }

/* ============ Header ============ */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 500;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(16, 27, 36, 0.0);
  transition: background .3s ease, box-shadow .3s ease, height .3s ease;
}
.site-header.is-scrolled, .site-header.is-solid {
  background: rgba(16, 27, 36, 0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px -10px rgba(0,0,0,.4);
  height: 72px;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex; align-items: center; gap: 6px;
  padding: 30px 14px; color: #fff; font-size: .93rem; font-weight: 500;
}
.main-nav > ul > li > a .caret { font-size: .6em; opacity: .7; }
.main-nav > ul > li:hover > a, .main-nav a.is-active { color: var(--c-primary-light); }

.dropdown {
  position: absolute; inset-inline-start: 0; top: 100%;
  min-width: 230px; background: var(--c-white); border-radius: 12px;
  box-shadow: var(--shadow); padding: 10px; list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: .2s ease;
}
.main-nav > ul > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 11px 16px; border-radius: 8px; color: var(--c-ink); font-size: .9rem; }
.dropdown li a:hover { background: var(--c-bg); color: var(--c-primary); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px; color: #fff;
  border: 1px solid rgba(255,255,255,.35); padding: 8px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600;
}
.lang-switch:hover { border-color: var(--c-primary-light); color: var(--c-primary-light); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* ============ Hero ============ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(16,27,36,.55) 0%, rgba(16,27,36,.35) 40%, rgba(16,27,36,.88) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-content .eyebrow { color: var(--c-primary-light); }
.hero-content .eyebrow::before { background: var(--c-primary-light); }
.hero h1 { color: #fff; margin-bottom: .3em; }
.hero .tagline { font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--c-primary-light); font-weight: 600; margin-bottom: 22px; }
.hero p.lead { color: #d7dee2; font-size: 1.08rem; max-width: 600px; }
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }
.hero-dots { position: absolute; inset-block-end: 34px; inset-inline-start: 0; right: 0; z-index: 2; display: flex; justify-content: center; gap: 10px; width: 100%; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.4); cursor: pointer; padding: 0; }
.hero-dots button.is-active { background: var(--c-primary-light); width: 26px; border-radius: 6px; }
.scroll-cue { position: absolute; inset-block-end: 36px; inset-inline-end: 40px; z-index: 2; color: #cfe4ea; font-size: .78rem; writing-mode: vertical-rl; letter-spacing: .1em; display: flex; align-items: center; gap: 10px; opacity: .8; }

/* Page (interior) header banner */
.page-hero {
  position: relative; min-height: 46vh; display: flex; align-items: flex-end;
  color: #fff; background-size: cover; background-position: center;
  padding-block-end: 56px; padding-block-start: var(--header-h);
}
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,27,36,.35) 0%, rgba(16,27,36,.86) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: .85rem; color: var(--c-primary-light); margin-bottom: 10px; display: flex; gap: 8px; align-items: center; }
.breadcrumb a:hover { text-decoration: underline; }
.page-hero h1 { color: #fff; margin: 0; }

/* ============ Quote / welcome block ============ */
.quote-block {
  position: relative; background: var(--c-ink);
  background-blend-mode: multiply;
  color: #fff; padding-block: 110px; text-align: center;
}
.quote-block::before {
  content: ""; position: absolute; inset: 0; opacity: .35; background-size: cover; background-position: center;
}
.quote-block .container { position: relative; z-index: 1; }
.quote-block blockquote { margin: 0 auto; max-width: 920px; font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 500; color: #e7edf0; }
.quote-block blockquote em { font-style: normal; color: var(--c-primary-light); }
.quote-mark { font-size: 3rem; color: var(--c-primary-light); opacity: .5; line-height: 1; }

/* ============ Stats ============ */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 30px 16px; border-inline-start: 1px solid var(--c-line); }
.stat-card:first-child { border-inline-start: none; }
.stat-num { font-family: var(--font-en); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; color: var(--c-primary); }
.stat-label { color: var(--c-text-light); font-size: .9rem; margin-top: 6px; }

/* ============ Grids / Cards ============ */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }

.card {
  background: var(--c-white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--c-line);
  transition: transform .3s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media { aspect-ratio: 4/3; overflow: hidden; background: var(--c-sand-light); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-media img { transform: scale(1.07); }
.card-body { padding: 22px; }
.card-body h3 { margin-bottom: 8px; }
.card-tag { display: inline-block; font-size: .75rem; font-weight: 700; color: var(--c-primary); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }

.value-card { background: var(--c-white); border-radius: var(--radius-lg); padding: 30px 26px; border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); }
.value-card .icon { width: 54px; height: 54px; border-radius: 14px; background: var(--c-sand-light); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--c-primary); font-size: 1.5rem; }

.icon-row { display: flex; align-items: center; gap: 16px; }
.icon-row .icon { flex: none; width: 52px; height: 52px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

/* Product bag card */
.bag-card { text-align: center; padding: 26px 16px; }
.bag-card img { max-height: 220px; margin-inline: auto; }
.bag-card h3 { font-size: 1rem; margin-top: 16px; }

/* Logo grid (customers/suppliers, certificates) */
.logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; align-items: stretch; }
.logo-tile {
  background: var(--c-white); border: 1px solid var(--c-line); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; padding: 18px; aspect-ratio: 1.3/1;
  filter: grayscale(1) opacity(.75); transition: .25s ease;
}
.logo-tile:hover { filter: none; box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.logo-tile img { max-width: 100%; max-height: 60px; object-fit: contain; }

/* Split section (image + text) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
html[dir="rtl"] .split.reverse { direction: ltr; }
html[dir="rtl"] .split.reverse > * { direction: rtl; }

/* Timeline-ish list */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--c-text); }
.check-list li::before {
  content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--c-primary); color: #fff; font-size: .75rem; display: flex; align-items: center; justify-content: center; margin-top: 2px;
}

/* Gallery / lightbox */
.tabs { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.tab-btn { padding: 10px 22px; border-radius: 999px; border: 1px solid var(--c-line); background: var(--c-white); font-weight: 600; cursor: pointer; color: var(--c-text-light); }
.tab-btn.is-active { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item { border-radius: var(--radius-lg); overflow: hidden; cursor: zoom-in; aspect-ratio: 4/3; position: relative; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-panel[hidden] { display: none; }

.lightbox { position: fixed; inset: 0; z-index: 1000; background: rgba(10,15,20,.92); display: flex; align-items: center; justify-content: center; padding: 40px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: 8px; }
.lightbox-close { position: absolute; top: 24px; inset-inline-end: 30px; color: #fff; font-size: 2rem; background: none; border: none; cursor: pointer; line-height: 1; }

/* News */
.news-card .date { color: var(--c-primary); font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }

/* Contact */
.contact-info-card { background: var(--c-white); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.contact-line { display: flex; gap: 14px; padding-block: 14px; border-block-end: 1px solid var(--c-line); }
.contact-line:last-child { border-block-end: none; }
.contact-line .icon { flex: none; width: 42px; height: 42px; border-radius: 50%; background: var(--c-sand-light); color: var(--c-primary); display: flex; align-items: center; justify-content: center; }
.contact-line .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--c-text-light); }
.contact-line .value { font-weight: 600; color: var(--c-ink); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--c-ink); }
.field input, .field textarea, .field select {
  border: 1px solid var(--c-line); border-radius: 10px; padding: 13px 16px; font-family: inherit; font-size: .95rem; background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(14,126,168,.15); }
.form-note { font-size: .82rem; color: var(--c-text-light); margin-top: 10px; }
.form-success { display: none; background: #e8f7ee; color: #1c7a3f; border: 1px solid #bfe8cd; padding: 14px 18px; border-radius: 10px; margin-top: 16px; font-weight: 600; }
.form-success.is-visible { display: block; }

/* Map card */
.map-card { display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--c-line); }
.map-card img { width: 100%; height: 260px; object-fit: cover; flex: none; }
.map-card .map-body { flex: 1 1 auto; padding: 22px; background: #fff; }
.map-card iframe { flex: none; }

/* Portal / ERP teaser */
.portal-band {
  background: linear-gradient(120deg, var(--c-ink) 0%, #16323f 100%);
  color: #fff; border-radius: var(--radius-lg); padding: 48px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center;
}
.portal-band h2 { color: #fff; }
.portal-band .badge { display: inline-block; background: var(--c-primary-light); color: var(--c-ink); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.portal-mock { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; padding: 20px; }
.portal-mock .row { display: flex; justify-content: space-between; padding: 10px 0; border-block-end: 1px dashed rgba(255,255,255,.15); font-size: .85rem; color: #cfe0e6; }
.portal-mock .row:last-child { border-block-end: none; }
.portal-mock .row b { color: #fff; }

/* CTA */
.cta-band { background: var(--c-primary); color: #fff; border-radius: var(--radius-lg); padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin: 0; }

/* ============ Footer ============ */
.site-footer { background: var(--c-ink); color: #b7c3cb; padding-block-start: 76px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-block-end: 50px; border-block-end: 1px solid rgba(255,255,255,.1); }
.footer-brand img { height: 34px; margin-bottom: 18px; }
.footer-brand p { color: #93a2ab; max-width: 280px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a:hover { color: var(--c-primary-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-block: 22px; font-size: .82rem; flex-wrap: wrap; gap: 10px; }
.social-row { display: flex; gap: 10px; }
.social-row a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; }
.social-row a:hover { background: var(--c-primary); border-color: var(--c-primary); }
.woc-badge { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.woc-badge img { height: 30px; background: #fff; padding: 4px; border-radius: 6px; }

/* Utility */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .portal-band { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .main-nav { display: none; }
  .lang-switch { padding: 8px 12px; }
  .nav-toggle { display: flex; }
  .header-actions { gap: 8px; }
  .split, .grid--2 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }

  .main-nav {
    display: block; position: fixed; inset-block-start: 72px; inset-inline: 0; inset-block-end: 0;
    background: var(--c-ink); padding: 20px; overflow-y: auto;
    transform: translateY(-110%); transition: transform .3s ease; z-index: 400;
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li > a { padding: 16px 6px; border-block-end: 1px solid rgba(255,255,255,.08); }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: rgba(255,255,255,.04); display: none; }
  .main-nav li.is-expanded .dropdown { display: block; }
  .dropdown li a { color: #cdd6dc; }
}
@media (max-width: 640px) {
  .section { padding-block: 56px; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-card { border-inline-start: none; border-block-start: 1px solid var(--c-line); padding-block-start: 22px; }
  .stat-card:first-child, .stat-card:nth-child(2) { border-block-start: none; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
  .grid--4, .grid--3 { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
