:root {
  --navy-900: #0a1f3c;
  --navy-800: #0f2b52;
  --navy-700: #16376b;
  --navy-600: #1d4685;
  --orange-500: #f97316;
  --orange-400: #fb923c;
  --orange-300: #fdba74;
  --ink: #0f1d33;
  --muted: #5b6b82;
  --line: #e5eaf1;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(10, 31, 60, 0.08);
  --shadow-lg: 0 16px 50px rgba(10, 31, 60, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Arabic needs a right-to-left override */
html[lang="ar"] body { direction: rtl; }
html[lang="ar"] .text-left, html[lang="ar"] .text-start { text-align: right; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 31, 60, 0.96);
  backdrop-filter: blur(8px);
  color: #fff;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 22px; letter-spacing: .5px; }
.brand .logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-300));
  display: grid; place-items: center; color: #fff; font-size: 20px; font-weight: 900;
}
.brand small { display: block; font-size: 11px; font-weight: 500; opacity: .7; letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px; font-weight: 500; color: #dbe6f5;
  transition: background .2s, color .2s;
}
.nav a:hover, .nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange-500); color: #fff !important;
  font-weight: 700; padding: 9px 18px; border-radius: 9px;
}
.nav-cta:hover { background: var(--orange-400); }

.lang-switch { display: flex; gap: 4px; margin-left: 8px; }
.lang-switch button {
  background: transparent; border: 1px solid rgba(255,255,255,.25); color: #dbe6f5;
  padding: 5px 10px; border-radius: 7px; font-size: 13px; font-weight: 600;
}
.lang-switch button.active { background: var(--orange-500); border-color: var(--orange-500); color: #fff; }

.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; }

/* ---------- hero banner ---------- */
.hero { position: relative; height: 78vh; min-height: 520px; max-height: 780px; overflow: hidden; }
.hero .slides { position: absolute; inset: 0; }
.hero .slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease;
  background-size: cover; background-position: center;
}
.hero .slide.active { opacity: 1; }
.hero .slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,20,40,.55) 0%, rgba(7,20,40,.75) 100%);
}
.hero-content {
  position: relative; z-index: 5; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  color: #fff; max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.hero-content .eyebrow {
  display: inline-block; background: rgba(249,115,22,.9); padding: 6px 16px;
  border-radius: 30px; font-size: 14px; font-weight: 700; letter-spacing: 1px; margin-bottom: 20px; width: fit-content;
}
.hero-content h1 { font-size: clamp(30px, 5vw, 58px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; max-width: 760px; }
.hero-content p { font-size: clamp(16px, 2vw, 20px); opacity: .92; max-width: 640px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 700;
  padding: 14px 28px; border-radius: 10px; font-size: 16px; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange-500); color: #fff; box-shadow: 0 10px 24px rgba(249,115,22,.35); }
.btn-primary:hover { background: var(--orange-400); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.4); backdrop-filter: blur(4px); }
.btn-wa { background: #128c7e; color: #fff; box-shadow: 0 10px 24px rgba(18,140,126,.45); animation: waPulse 2.4s ease-in-out infinite; }
.btn-wa:hover { background: #0e756a; animation-play-state: paused; transform: translateY(-2px); }
@keyframes waPulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,.55), 0 10px 24px rgba(18,140,126,.45); }
  50%  { box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 10px 24px rgba(18,140,126,.45); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,.55), 0 10px 24px rgba(18,140,126,.45); }
}
.hero-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 6; display: flex; gap: 8px; }
.hero-dots span { width: 34px; height: 5px; border-radius: 4px; background: rgba(255,255,255,.35); cursor: pointer; transition: background .3s, width .3s; }
.hero-dots span.active { background: var(--orange-500); width: 48px; }

/* ---------- sections ---------- */
.section { padding: 78px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head .kicker { color: var(--orange-500); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 13px; margin-bottom: 10px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: var(--navy-900); line-height: 1.2; }
.section-head p { color: var(--muted); margin-top: 14px; font-size: 16px; }

/* advantages */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.adv-icon { width: 58px; height: 58px; border-radius: 14px; background: linear-gradient(135deg, var(--navy-700), var(--navy-600)); color: var(--orange-300); display: grid; place-items: center; font-size: 26px; margin-bottom: 18px; }
.adv-card h3 { font-size: 18px; color: var(--navy-900); margin-bottom: 10px; }
.adv-card p { color: var(--muted); font-size: 14.5px; }

/* category preview */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden; height: 200px;
  background-size: cover; background-position: center; display: flex; align-items: flex-end;
  box-shadow: var(--shadow);
}
.cat-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(10,31,60,.88) 100%); }
.cat-card span {
  position: relative; z-index: 2; color: #fff; font-weight: 700; font-size: 17px;
  padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.cat-card .arrow { opacity: 0; transform: translateX(-6px); transition: .2s; color: var(--orange-300); }
.cat-card:hover .arrow { opacity: 1; transform: translateX(0); }

/* why choose us */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); height: 420px; background-size: cover; background-position: center; }
.why-list { display: flex; flex-direction: column; gap: 22px; margin-top: 20px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .num { flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%; background: var(--orange-500); color: #fff; font-weight: 800; display: grid; place-items: center; }
.why-item h4 { font-size: 17px; color: var(--navy-900); margin-bottom: 4px; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.testi-stars { color: #f59e0b; font-size: 18px; margin-bottom: 14px; }
.testi-card blockquote { color: var(--ink); font-size: 15px; font-style: italic; margin-bottom: 18px; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-author .ava { width: 44px; height: 44px; border-radius: 50%; background: var(--navy-700); color: var(--orange-300); display: grid; place-items: center; font-weight: 800; }
.testi-author b { display: block; font-size: 15px; color: var(--navy-900); }
.testi-author span { font-size: 13px; color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--navy-900), var(--navy-700)); color: #fff; text-align: center; padding: 66px 0; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 14px; }
.cta-band p { opacity: .85; max-width: 560px; margin: 0 auto 30px; }

/* footer */
.site-footer { background: var(--navy-900); color: #c7d4e6; padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 36px; }
.footer-grid h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid a { color: #c7d4e6; font-size: 14px; transition: color .2s; }
.footer-grid a:hover { color: var(--orange-300); }
.footer-brand p { font-size: 14px; margin-top: 14px; opacity: .8; }
.footer-contact li { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; opacity: .7; }

/* floating WhatsApp */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; font-size: 30px; box-shadow: 0 8px 24px rgba(37,211,102,.4);
  transition: transform .2s;
}
html[lang="ar"] .wa-float { right: auto; left: 24px; }
.wa-float:hover { transform: scale(1.08); }

/* ---------- product page ---------- */
.page-hero { background: linear-gradient(135deg, var(--navy-900), var(--navy-700)); color: #fff; padding: 64px 0; text-align: center; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
.page-hero p { opacity: .85; max-width: 600px; margin: 12px auto 0; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 34px 0; }
.filter-bar button {
  background: #fff; border: 1px solid var(--line); color: var(--muted); padding: 9px 18px;
  border-radius: 30px; font-weight: 600; font-size: 14px; transition: all .2s;
}
.filter-bar button.active { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }
.filter-bar button:hover { border-color: var(--orange-500); color: var(--orange-500); }
.filter-bar button.active:hover { color: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-media { height: 200px; background-size: cover; background-position: center; position: relative; }
.product-media .tag { position: absolute; top: 12px; left: 12px; background: var(--orange-500); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 6px; }
html[lang="ar"] .product-media .tag { left: auto; right: 12px; }
.product-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { font-size: 16px; color: var(--navy-900); margin-bottom: 8px; line-height: 1.35; }
.product-spec { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.product-moq { font-size: 13px; color: var(--orange-500); font-weight: 700; margin-top: 8px; }
.product-actions { margin-top: 16px; display: flex; gap: 10px; }
.btn-inquire { flex: 1; background: var(--navy-700); color: #fff; border: none; padding: 11px; border-radius: 8px; font-weight: 700; font-size: 14px; }
.btn-inquire:hover { background: var(--navy-600); }
.empty-state { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---------- about page ---------- */
.timeline { position: relative; margin-top: 30px; padding-left: 26px; }
html[lang="ar"] .timeline { padding-left: 0; padding-right: 26px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: var(--line); }
html[lang="ar"] .timeline::before { left: auto; right: 8px; }
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item::before { content: ''; position: absolute; left: -24px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--orange-500); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--orange-500); }
html[lang="ar"] .timeline-item::before { left: auto; right: -24px; }
.timeline-item .year { font-weight: 800; color: var(--orange-500); font-size: 18px; }
.timeline-item p { color: var(--ink); margin-top: 4px; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 24px; }
.cert-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; background: #fff; box-shadow: var(--shadow); }
.cert-card .badge { width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--navy-700), var(--navy-600)); color: var(--orange-300); display: grid; place-items: center; font-weight: 800; font-size: 18px; }
.cert-card b { color: var(--navy-900); display: block; font-size: 16px; }
.cert-card span { color: var(--muted); font-size: 13px; }
.oem-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

/* ---------- contact page ---------- */
.contact-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; color: var(--navy-900); font-size: 14px; margin-bottom: 7px; }
.form-group label .req { color: var(--orange-500); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; font-size: 15px; font-family: inherit;
  transition: border .2s, box-shadow .2s; background: #fff; color: var(--ink);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--orange-500); box-shadow: 0 0 0 3px rgba(249,115,22,.15); }
.form-group textarea { resize: vertical; min-height: 120px; }
.file-drop {
  border: 2px dashed var(--line); border-radius: 10px; padding: 24px; text-align: center; color: var(--muted); font-size: 14px; cursor: pointer; transition: .2s;
}
.file-drop:hover, .file-drop.drag { border-color: var(--orange-500); background: #fff7ed; }
.file-drop .file-list { margin-top: 10px; font-size: 13px; color: var(--navy-700); }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); display: flex; gap: 16px; align-items: flex-start; }
.info-card .ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--navy-700); color: var(--orange-300); display: grid; place-items: center; font-size: 20px; }
.info-card b { color: var(--navy-900); display: block; margin-bottom: 4px; }
.info-card p, .info-card a { color: var(--muted); font-size: 14px; word-break: break-all; }
.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-top: 8px; border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 320px; border: 0; display: block; }
.response-badge { display: inline-flex; align-items: center; gap: 8px; background: #ecfdf5; color: #059669; padding: 8px 16px; border-radius: 30px; font-weight: 700; font-size: 14px; }

/* language support card */
.lang-support-card { background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 60%, var(--navy-600) 100%); border: 1px solid var(--navy-500); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.lang-support-head { display: flex; align-items: center; gap: 12px; }
.lang-support-head .ls-icon { font-size: 26px; line-height: 1; }
.lang-support-head h3 { color: #fff; font-size: 19px; font-weight: 800; margin: 0; }
.lang-support-sub { color: #c9d8ef; font-size: 14px; margin: 12px 0 16px; line-height: 1.6; }
.lang-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.lang-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); color: #fff; padding: 8px 16px; border-radius: 30px; font-weight: 700; font-size: 14px; }
.lang-tag .lang-flag { font-size: 16px; }
.lang-support-note { color: var(--orange-300); font-size: 13px; margin: 0; line-height: 1.6; font-weight: 500; }

/* cookie banner */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--navy-900); color: #e6eef9; padding: 20px 24px;
  display: none; align-items: center; gap: 20px; box-shadow: 0 -6px 30px rgba(0,0,0,.25);
}
.cookie-banner.show { display: flex; }
.cookie-banner p { font-size: 14px; flex: 1; }
.cookie-banner a { color: var(--orange-300); text-decoration: underline; }
.cookie-banner .btn { padding: 10px 22px; font-size: 14px; white-space: nowrap; }

/* quote modal */
.quote-modal { position: fixed; inset: 0; background: rgba(10,31,60,.55); display: none; place-items: center; z-index: 250; padding: 20px; }
.quote-modal.open { display: grid; }
.quote-card { background: #fff; border-radius: 16px; width: 100%; max-width: 520px; max-height: 90vh; overflow: auto; padding: 32px; position: relative; box-shadow: var(--shadow-lg); }
.quote-close { position: absolute; top: 16px; right: 16px; background: #f1f5f9; border: none; width: 34px; height: 34px; border-radius: 50%; font-size: 18px; color: var(--muted); cursor: pointer; }
html[lang="ar"] .quote-close { right: auto; left: 16px; }
.quote-close:hover { background: #e2e8f0; }
.quote-card h3 { font-size: 22px; font-weight: 800; color: var(--navy-900); margin-bottom: 6px; }
.quote-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.quote-card .form-group { margin-bottom: 14px; }
.quote-card .form-group label { display: block; font-weight: 600; color: var(--navy-900); font-size: 13.5px; margin-bottom: 6px; }
.quote-card .form-group label .req { color: var(--orange-500); }
.quote-card .form-group input, .quote-card .form-group textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; font-size: 15px; font-family: inherit; }
.quote-card .form-group input:focus, .quote-card .form-group textarea:focus { outline: none; border-color: var(--orange-500); box-shadow: 0 0 0 3px rgba(249,115,22,.15); }
.quote-card .form-group textarea { resize: vertical; min-height: 90px; }
.quote-card .btn { width: 100%; justify-content: center; }
.quote-card .btn-back { background: #f1f5f9; color: var(--muted); border: 1px solid var(--line); margin-top: 8px; }
.quote-card .btn-back:hover { background: #e2e8f0; }

/* quote choices */
#quote-choices { display: flex; flex-direction: column; gap: 14px; }
.quote-choice {
  display: flex; align-items: center; gap: 16px; width: 100%;
  padding: 18px 20px; border-radius: 12px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; text-align: left; transition: all .2s;
  font-family: inherit;
}
html[lang="ar"] .quote-choice { text-align: right; }
.quote-choice:hover { border-color: var(--orange-500); box-shadow: var(--shadow); transform: translateY(-2px); }
.quote-wa { border-color: #25d366; background: #f0fdf4; }
.quote-wa:hover { border-color: #16a34a; background: #dcfce7; }
.qc-icon { flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; font-size: 26px; color: #fff; }
.quote-wa .qc-icon { background: #25d366; }
.quote-form .qc-icon { background: var(--navy-700); color: var(--orange-300); }
.qc-text b { display: block; font-size: 16px; color: var(--navy-900); margin-bottom: 3px; }
.qc-text small { font-size: 13px; color: var(--muted); }

/* toast */
/* success modal */
.success-modal { position: fixed; inset: 0; background: rgba(10,31,60,.6); display: none; place-items: center; z-index: 320; padding: 20px; }
.success-modal.open { display: grid; }
.success-card { background: #fff; border-radius: 18px; width: 100%; max-width: 420px; padding: 36px 32px; text-align: center; position: relative; box-shadow: var(--shadow-lg); animation: popin .3s ease; }
.success-card .success-icon { width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%; background: #ecfdf5; color: #059669; display: grid; place-items: center; font-size: 38px; }
.success-card h4 { font-size: 20px; font-weight: 800; color: var(--navy-900); margin-bottom: 12px; }
.success-card p { color: var(--muted); font-size: 15px; line-height: 1.7; margin-bottom: 6px; }
.success-card .success-wa { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; color: #059669; font-weight: 700; font-size: 14px; }
.success-card .success-close { margin-top: 20px; width: 100%; }
@keyframes popin { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.toast { position: fixed; top: 24px; right: 24px; z-index: 300; background: #059669; color: #fff; padding: 14px 22px; border-radius: 10px; box-shadow: var(--shadow-lg); font-weight: 600; display: none; }
.toast.err { background: #dc2626; }
.toast.show { display: block; animation: slidein .3s ease; }
@keyframes slidein { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* responsive */
@media (max-width: 1024px) {
  .adv-grid, .cat-grid, .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0; background: var(--navy-900);
    flex-direction: column; align-items: stretch; padding: 16px 20px; gap: 4px;
    display: none; border-top: 1px solid rgba(255,255,255,.1);
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 14px; }
  .lang-switch { margin-left: 0; justify-content: center; margin-top: 6px; }
  .why-grid, .oem-block, .contact-wrap { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .adv-grid, .cat-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .cookie-banner { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .adv-grid, .cat-grid, .cert-grid, .product-grid { grid-template-columns: 1fr; }
  .hero { height: 70vh; min-height: 480px; }
  .footer-grid { grid-template-columns: 1fr; }
}