:root {
  --navy: #1a2e44;
  --navy-dark: #0f1d2c;
  --navy-mid: #223651;
  --gold: #e8c422;
  --gold-light: #f5d64a;
  --gold-dark: #c4a51a;
  --steel: #3a5068;
  --steel-light: #4e6a84;
  --concrete: #c8cdd4;
  --concrete-light: #e8eaed;
  --white: #ffffff;
  --off-white: #f4f5f7;
  --gray-text: #8899aa;
  --text-light: #cdd6e0;
  --radius: 4px;
  --radius-md: 8px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Barlow', sans-serif; color: var(--navy-dark); background: var(--white); overflow-x: hidden; }

/* Arabic font – apply to every Arabic element and to body in AR mode */
.ar,
[data-lang="ar"],
body.lang-ar { font-family: 'Noto Kufi Arabic', sans-serif; }
body.lang-ar * { font-family: 'Noto Kufi Arabic', sans-serif; }
/* Keep technical / brand fonts in AR mode */
body.lang-ar .logo-text strong,
body.lang-ar .service-num,
body.lang-ar .stat-num,
body.lang-ar .about-badge-float strong { font-family: 'Barlow Condensed', sans-serif; }

/* ===================== NAV ===================== */
nav {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: rgba(15, 29, 44, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--gold);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 72px;
}
.logo-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { height: 52px; width: auto; display: block; object-fit: contain; }
.logo-mark {
  width: 48px; height: 48px;
  background: var(--navy-mid);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 26px; font-weight: 800;
  color: var(--white); letter-spacing: -1px;
}
.logo-mark span { color: var(--gold); }
.logo-text { line-height: 1.1; }
.logo-text strong { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 700; color: var(--white); letter-spacing: 2px; }
.logo-text em { font-style: normal; font-size: 11px; color: var(--gold); letter-spacing: 3px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { font-family: 'Barlow Condensed', sans-serif; font-size: 15px; font-weight: 600; color: var(--text-light); text-decoration: none; letter-spacing: 1.5px; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--gold); }
.lang-toggle { display: flex; gap: 4px; background: rgba(255,255,255,0.08); border-radius: var(--radius); padding: 4px; }
.lang-btn { padding: 4px 10px; font-size: 12px; font-weight: 600; letter-spacing: 1px; background: none; border: none; cursor: pointer; color: var(--gray-text); border-radius: 2px; transition: var(--transition); }
.lang-btn.active { background: var(--gold); color: var(--navy-dark); }
.btn-devis { background: var(--gold); color: var(--navy-dark); padding: 10px 24px; border: none; border-radius: var(--radius); font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer; text-decoration: none; display: inline-block; transition: var(--transition); }
.btn-devis:hover { background: var(--gold-light); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); transition: var(--transition); }

/* ===================== HERO ===================== */
#hero { min-height: 100vh; background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--steel) 100%); position: relative; overflow: hidden; display: flex; align-items: center; }
.hero-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(232, 196, 34, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(232, 196, 34, 0.06) 1px, transparent 1px); background-size: 60px 60px; }
.hero-shapes { position: absolute; right: 0; top: 0; bottom: 0; width: 50%; background: var(--navy-mid); clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%); opacity: 0.5; }
.hero-accent { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); width: 380px; height: 380px; border: 2px solid rgba(232, 196, 34, 0.15); border-radius: 50%; }
.hero-accent::before { content: ''; position: absolute; inset: 30px; border: 1px solid rgba(232, 196, 34, 0.1); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; padding: 8rem 2rem 4rem; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(232, 196, 34, 0.15); border: 1px solid rgba(232, 196, 34, 0.4); border-radius: 2px; padding: 6px 16px; margin-bottom: 1.5rem; font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 600; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; }
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--gold); border-radius: 50%; }
.hero-title { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(2.8rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.05; color: var(--white); margin-bottom: 1.5rem; }
.hero-title .accent { color: var(--gold); display: block; }
.hero-subtitle { font-size: 1.1rem; line-height: 1.8; color: var(--text-light); margin-bottom: 2.5rem; max-width: 520px; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-outline { padding: 12px 28px; border: 2px solid rgba(255,255,255,0.3); border-radius: var(--radius); background: transparent; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: 1.5px; color: var(--white); text-transform: uppercase; text-decoration: none; transition: var(--transition); cursor: pointer; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-primary { padding: 14px 32px; background: var(--gold); border: none; border-radius: var(--radius); font-family: 'Barlow Condensed', sans-serif; font-size: 15px; font-weight: 700; letter-spacing: 1.5px; color: var(--navy-dark); text-transform: uppercase; text-decoration: none; transition: var(--transition); cursor: pointer; }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.stat-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-top: 3px solid var(--gold); border-radius: var(--radius-md); padding: 1.5rem; text-align: center; }
.stat-num { font-family: 'Barlow Condensed', sans-serif; font-size: 2.8rem; font-weight: 800; color: var(--gold); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-light); margin-top: 6px; letter-spacing: 0.5px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-img-frame { width: 100%; max-width: 480px; aspect-ratio: 4/3; background: var(--navy-mid); border-radius: var(--radius-md); border: 1px solid rgba(232, 196, 34, 0.2); overflow: hidden; position: relative; }
.hero-illustration { width: 100%; height: 100%; }

/* ===================== SECTIONS ===================== */
section { scroll-margin-top: 72px; }
.section-inner { max-width: 1280px; margin: 0 auto; padding: 5rem 2rem; }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 600; color: var(--gold-dark); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 1rem; }
.section-label::before, .section-label::after { content: ''; flex: 1; height: 1px; background: var(--gold-dark); width: 30px; }
.section-title { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; line-height: 1.1; color: var(--navy-dark); margin-bottom: 1rem; }
.section-title .highlight { color: var(--gold-dark); }
.section-desc { font-size: 1.05rem; line-height: 1.8; color: #556677; max-width: 600px; }

/* ===================== ABOUT ===================== */
#about { background: var(--off-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-visual { position: relative; }
.about-img-main { width: 100%; aspect-ratio: 4/3; background: var(--navy); border-radius: var(--radius-md); overflow: hidden; }
.about-badge-float { position: absolute; bottom: -1.5rem; right: -1.5rem; background: var(--gold); border-radius: var(--radius-md); padding: 1.5rem; text-align: center; }
.about-badge-float strong { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 3rem; font-weight: 800; color: var(--navy-dark); line-height: 1; }
.about-badge-float span { font-size: 12px; font-weight: 600; color: var(--navy-mid); letter-spacing: 1px; }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.pillar { background: var(--white); border-left: 3px solid var(--gold); border-radius: var(--radius); padding: 1rem 1.25rem; }
.pillar h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 15px; font-weight: 700; color: var(--navy); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.pillar p { font-size: 13px; color: #778899; line-height: 1.5; }
body.lang-ar .pillar { border-left: none; border-right: 3px solid var(--gold); }

/* ===================== WHY US ===================== */
#why { background: var(--navy-dark); position: relative; overflow: hidden; }
#why::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(232,196,34,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(232,196,34,0.04) 1px, transparent 1px); background-size: 40px 40px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.why-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 2rem 1.5rem; text-align: center; transition: var(--transition); position: relative; }
.why-card::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background: var(--gold); transition: width 0.3s ease; }
.why-card:hover::after { width: 60%; }
.why-card:hover { background: rgba(255,255,255,0.07); }
.why-icon { width: 64px; height: 64px; margin: 0 auto 1.25rem; background: rgba(232, 196, 34, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.why-icon svg { width: 32px; height: 32px; }
.why-card h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 0.75rem; }
.why-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
.why-header { position: relative; z-index: 1; }
.why-header .section-title { color: var(--white); }
.why-header .section-desc { color: var(--text-light); }
.why-header .section-label { color: var(--gold); }
.why-header .section-label::before, .why-header .section-label::after { background: var(--gold); }

/* ===================== SERVICES ===================== */
#services { background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3rem; }
.service-card { border: 1px solid var(--concrete-light); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(26,46,68,0.12); }
.service-header { background: var(--navy); padding: 1.75rem 2rem; display: flex; align-items: center; gap: 1rem; }
.service-num { font-family: 'Barlow Condensed', sans-serif; font-size: 3rem; font-weight: 800; color: rgba(232,196,34,0.2); line-height: 1; }
.service-header h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--white); }
.service-body { padding: 1.75rem 2rem; background: var(--off-white); }
.service-body p { font-size: 14px; color: #556677; line-height: 1.7; margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; font-weight: 600; padding: 4px 12px; background: rgba(26,46,68,0.08); color: var(--navy); border-radius: 2px; letter-spacing: 0.5px; }

/* ===================== PRODUCTS (CATALOGUE) ===================== */
#products { background: var(--off-white); }
.catalogue-controls { display: flex; gap: 1rem; margin: 2rem 0; flex-wrap: wrap; align-items: center; }
.catalogue-search { flex: 1; min-width: 220px; display: flex; align-items: center; gap: 8px; background: var(--white); border: 1px solid var(--concrete-light); border-radius: var(--radius-md); padding: 10px 16px; }
.catalogue-search input { flex: 1; border: none; outline: none; font-family: 'Barlow', sans-serif; font-size: 15px; color: var(--navy-dark); background: transparent; }
.catalogue-search svg { opacity: 0.4; flex-shrink: 0; }
.category-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-filter-btn { padding: 8px 16px; background: var(--white); border: 1px solid var(--concrete-light); border-radius: 100px; font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 600; color: var(--navy); letter-spacing: 0.5px; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.cat-filter-btn:hover, .cat-filter-btn.active { background: var(--navy); color: var(--gold); border-color: var(--navy); }
body.lang-ar .cat-filter-btn { font-family: 'Noto Kufi Arabic', sans-serif; letter-spacing: 0; }
.catalogue-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
.cat-card { background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--concrete-light); overflow: hidden; transition: var(--transition); }
.cat-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.1); transform: translateY(-2px); }
.cat-card.hidden { display: none; }
.cat-card-header { background: var(--navy); padding: 1.25rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.cat-card-cat { font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 600; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; }
.cat-card-icon { width: 36px; height: 36px; background: rgba(232,196,34,0.12); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.cat-card-body { padding: 1.25rem 1.5rem; }
.cat-card-body h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.cat-card-body p { font-size: 13px; color: #778899; line-height: 1.6; margin-bottom: 0.75rem; }
.cat-card-body.ar, .cat-card-body.ar h4 { font-family: 'Noto Kufi Arabic', sans-serif; }
.spec-row { display: flex; gap: 6px; flex-wrap: wrap; }
.spec-badge { font-size: 11px; font-weight: 600; padding: 3px 10px; background: rgba(232,196,34,0.15); color: var(--gold-dark); border-radius: 2px; }
.spec-badge.blue { background: rgba(26,46,68,0.08); color: var(--steel); }
.no-results { grid-column: 1/-1; text-align: center; padding: 3rem; color: var(--gray-text); font-size: 1.1rem; display: none; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 2000; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--white); border-radius: var(--radius-md); max-width: 700px; width: 100%; max-height: 90vh; overflow-y: auto; }
.modal-header { background: var(--navy); padding: 1.5rem 2rem; display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--white); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gold); font-size: 24px; line-height: 1; }
.modal-body { padding: 2rem; }
.modal-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.modal-table th { background: var(--off-white); font-family: 'Barlow Condensed', sans-serif; font-size: 12px; font-weight: 700; color: var(--navy); letter-spacing: 1px; text-transform: uppercase; padding: 10px 14px; text-align: left; border-bottom: 2px solid var(--concrete-light); }
.modal-table td { padding: 10px 14px; font-size: 14px; color: #445566; border-bottom: 1px solid var(--concrete-light); }
.modal-table tr:last-child td { border-bottom: none; }
.modal-table tr:hover td { background: var(--off-white); }

/* ===================== CONTACT ===================== */
#contact { background: var(--navy-dark); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: start; }
.contact-info .section-title { color: var(--white); }
.contact-info .section-desc { color: var(--text-light); }
.contact-info .section-label { color: var(--gold); }
.contact-info .section-label::before, .contact-info .section-label::after { background: var(--gold); }
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon { width: 44px; height: 44px; flex-shrink: 0; background: rgba(232,196,34,0.1); border: 1px solid rgba(232,196,34,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong { display: block; color: var(--gold); font-size: 13px; letter-spacing: 1px; font-weight: 600; text-transform: uppercase; margin-bottom: 2px; }
.contact-item span, .contact-item a { color: var(--text-light); font-size: 15px; text-decoration: none; }
.contact-form { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 2.5rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group.full { grid-column: span 2; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-light); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); color: var(--white); font-family: 'Barlow', sans-serif; font-size: 15px; transition: var(--transition); resize: vertical; outline: none; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--gold); background: rgba(255,255,255,0.09); }
.form-group textarea { min-height: 120px; }
.form-group.error input, .form-group.error textarea { border-color: #f87171; }
.form-error-msg { font-size: 11px; color: #f87171; margin-top: 4px; display: none; }
.form-group.error .form-error-msg { display: block; }

/* Math captcha */
.captcha-row { display: flex; align-items: center; gap: 0.75rem; margin-top: 6px; flex-wrap: wrap; }
.captcha-question {
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.25rem; font-weight: 700;
  color: var(--gold); background: rgba(232,196,34,0.1); border: 1px solid rgba(232,196,34,0.3);
  border-radius: var(--radius); padding: 8px 18px; min-width: 100px; text-align: center;
  white-space: nowrap; letter-spacing: 1px;
}
#captcha-input {
  width: 72px !important; padding: 10px 12px !important;
  text-align: center; font-size: 1.1rem !important;
  -moz-appearance: textfield;
}
#captcha-input::-webkit-outer-spin-button,
#captcha-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.captcha-refresh {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius); padding: 9px 13px;
  color: var(--gray-text); cursor: pointer; font-size: 17px; transition: var(--transition);
  line-height: 1;
}
.captcha-refresh:hover { background: rgba(255,255,255,0.1); color: var(--white); }

.form-submit { width: 100%; padding: 16px; background: var(--gold); border: none; border-radius: var(--radius); font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 2px; color: var(--navy-dark); text-transform: uppercase; cursor: pointer; margin-top: 0.5rem; transition: var(--transition); }
.form-submit:hover { background: var(--gold-light); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.success-msg { display: none; background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.3); border-radius: var(--radius); padding: 1rem; text-align: center; color: #4ade80; font-size: 14px; margin-top: 1rem; }
.error-msg { display: none; background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); border-radius: var(--radius); padding: 1rem; text-align: center; color: #f87171; font-size: 14px; margin-top: 1rem; }

/* Map embed */
.map-wrap { margin-top: 2rem; }
.map-wrap iframe { width: 100%; height: 220px; border: 0; border-radius: var(--radius-md); display: block; }
.map-open-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 0.5rem; color: var(--gold); font-size: 13px; text-decoration: none; transition: color 0.2s; }
.map-open-link:hover { color: var(--gold-light); }

/* ===================== FOOTER ===================== */
footer { background: #070d14; border-top: 1px solid rgba(255,255,255,0.06); padding: 3rem 2rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.07); }
.footer-brand p { font-size: 13px; color: #667788; line-height: 1.7; margin: 1rem 0; }
.footer-col h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul li a { font-size: 14px; color: #667788; text-decoration: none; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--text-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; font-size: 12px; color: #445566; }

/* ===================== BILINGUAL ===================== */
[data-lang="ar"] { display: none; }
body.lang-ar [data-lang="fr"] { display: none; }
/* Arabic display values are set dynamically by setLang() */
body.lang-ar { direction: rtl; }
body.lang-ar nav, body.lang-ar footer { direction: rtl; }
body.lang-ar .about-badge-float { right: auto; left: -1.5rem; }

/* ===================== BACK TO TOP ===================== */
#back-to-top {
  position: fixed; bottom: 7.5rem; right: 1.5rem; z-index: 900;
  width: 44px; height: 44px;
  background: var(--navy-mid); border: 2px solid var(--gold);
  border-radius: 50%; cursor: pointer;
  display: none; align-items: center; justify-content: center;
  color: var(--gold);
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
  transition: var(--transition);
}
#back-to-top.visible { display: flex; }
#back-to-top:hover { background: var(--gold); color: var(--navy-dark); transform: translateY(-3px); }

/* ===================== WHATSAPP BUTTON ===================== */
#whatsapp-btn {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 900;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,0.45);
  text-decoration: none; transition: var(--transition);
}
#whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.6); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .catalogue-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .catalogue-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: span 1; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 2.4rem; }
  .about-pillars { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .catalogue-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .section-inner { padding: 3rem 1.25rem; }
  .category-filters { flex-wrap: wrap; }
  #back-to-top { right: 1rem; bottom: 7rem; }
  #whatsapp-btn { right: 1rem; bottom: 1rem; }
}

/* ===================== ANIMATIONS ===================== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }
.stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.1s; }
.stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.2s; }
.stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.3s; }
.stagger.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.4s; }
.stagger.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.5s; }
.stagger.visible > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.6s; }
.stagger.visible > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.7s; }
.stagger.visible > *:nth-child(9) { opacity: 1; transform: none; transition-delay: 0.8s; }

.nav-links.open { display: flex; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: var(--navy-dark); padding: 2rem; gap: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); z-index: 999; }

.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(15,29,44,0.3); border-top-color: var(--navy-dark); border-radius: 50%; animation: spin 0.7s linear infinite; vertical-align: middle; margin-left: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }