/* ============================================================
   Kvst.cn — Arabic RTL static site (Senye Network Technology)
   Design system: clear green (#25D07A) + deep navy (#0E2A47)
   ============================================================ */

:root {
  --navy: #0E2A47;
  --navy-2: #16395f;
  --navy-3: #0a1f35;
  --green: #25D07A;
  --green-dark: #0FA958;
  --green-soft: #E8FBF0;
  --ink: #1f2937;
  --muted: #5b6b7c;
  --bg: #ffffff;
  --bg-alt: #f4f8f6;
  --line: #e5ede9;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(14, 42, 71, 0.10);
  --shadow-lg: 0 24px 60px rgba(14, 42, 71, 0.16);
  --font: "Cairo", "Tajawal", Tahoma, "Segoe UI", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  direction: rtl;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--navy); line-height: 1.35; font-weight: 800; }

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.kicker {
  display: inline-block; background: var(--green-soft); color: var(--green-dark);
  font-weight: 800; font-size: 13px; padding: 6px 16px; border-radius: 999px;
  letter-spacing: 0.4px; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 16.5px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 28px; border-radius: 999px; font-weight: 800; font-size: 15.5px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  border: 2px solid transparent; cursor: pointer; font-family: inherit;
}
.btn-green { background: var(--green); color: #06281a; box-shadow: 0 8px 20px rgba(37, 208, 122, 0.35); }
.btn-green:hover { background: #2ee28a; transform: translateY(-2px); }
.btn-outline { border-color: var(--green); color: var(--green-dark); background: transparent; }
.btn-outline:hover { background: var(--green-soft); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); transform: translateY(-2px); }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-3); color: #cfe0f2; font-size: 13.5px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 40px; flex-wrap: wrap; }
.topbar a { color: #cfe0f2; transition: color .2s; }
.topbar a:hover { color: var(--green); }
.topbar .tb-right { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar .tb-left { display: flex; gap: 12px; align-items: center; }
.topbar .tb-left a { display: inline-flex; align-items: center; gap: 5px; }

/* ---------- Header / Nav ---------- */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }
.brand .brand-name { font-size: 22px; font-weight: 900; color: var(--navy); letter-spacing: 0.5px; }
.brand .brand-name span { color: var(--green-dark); }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 9px 16px; border-radius: 999px; font-weight: 700; font-size: 15px;
  color: var(--navy); transition: background .2s, color .2s;
}
.nav a:hover, .nav a.active { background: var(--green-soft); color: var(--green-dark); }
.nav .nav-cta { background: var(--green); color: #06281a; }
.nav .nav-cta:hover { background: var(--green); color: #06281a; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; padding: 130px 0 140px;
  background: linear-gradient(115deg, var(--navy-3) 0%, var(--navy) 55%, #14532d 130%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: url("../img/factory/2.jpg") center/cover no-repeat;
  opacity: 0.16; z-index: 0;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(37, 208, 122, 0.22), transparent 55%);
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(37, 208, 122, 0.15);
  border: 1px solid rgba(37, 208, 122, 0.45); color: #7cecb0; font-weight: 700;
  font-size: 13.5px; padding: 8px 18px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(32px, 5vw, 54px); font-weight: 900; margin-bottom: 18px; }
.hero h1 span { color: var(--green); }
.hero p.lead { font-size: 18.5px; color: #dbe9f7; max-width: 560px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 26px; margin-top: 44px; flex-wrap: wrap; }
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust strong { font-size: 24px; color: var(--green); font-weight: 900; }
.hero-trust span { font-size: 13px; color: #a9c3dd; }
.hero-visual { position: relative; }
.hero-visual img { border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 4px solid rgba(255,255,255,0.08); }
.hero-float {
  position: absolute; bottom: -26px; inset-inline-start: -22px; background: #fff; color: var(--navy);
  border-radius: var(--radius-sm); padding: 14px 20px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 14px;
}
.hero-float .dot { width: 44px; height: 44px; border-radius: 12px; background: var(--green-soft); display: grid; place-items: center; font-size: 22px; }

/* ---------- Trust bar ---------- */
.trust-bar { background: #fff; border-bottom: 1px solid var(--line); }
.trust-bar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding-block: 22px; }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 700; font-size: 14.5px; }
.trust-item .ti { width: 40px; height: 40px; border-radius: 12px; background: var(--green-soft); color: var(--green-dark); display: grid; place-items: center; font-size: 20px; flex-shrink: 0; }

/* ---------- Stats ---------- */
.stats { background: linear-gradient(120deg, var(--navy-3), var(--navy-2)); color: #fff; }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; padding-block: 0; }
.stats .stat { padding: 56px 10px; }
.stats .stat strong { display: block; font-size: clamp(34px, 4.5vw, 48px); font-weight: 900; color: var(--green); }
.stats .stat span { color: #b9cfe6; font-size: 15px; font-weight: 700; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-media img.main { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about-media img.sub {
  position: absolute; bottom: -28px; inset-inline-end: -20px; width: 45%;
  border-radius: var(--radius-sm); border: 5px solid #fff; box-shadow: var(--shadow);
}
.about-body .kicker { margin-bottom: 12px; }
.about-body h2 { font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 18px; }
.about-body p { color: var(--muted); margin-bottom: 16px; font-size: 16px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.about-points li { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; font-size: 15px; color: var(--navy); }
.about-points li::before { content: "✓"; color: var(--green-dark); font-weight: 900; }

/* ---------- 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 24px; transition: transform .25s, box-shadow .25s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.adv-card .ic { width: 56px; height: 56px; border-radius: 16px; background: var(--green-soft); color: var(--green-dark); display: grid; place-items: center; font-size: 26px; margin-bottom: 18px; }
.adv-card h3 { font-size: 18px; margin-bottom: 8px; }
.adv-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Product categories ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden; background: #fff;
  border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; display: block;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cat-card .thumb { aspect-ratio: 1 / 1; overflow: hidden; background: #f8faf9; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.cat-card:hover .thumb img { transform: scale(1.06); }
.cat-card .cap { padding: 16px 18px; }
.cat-card .cap h3 { font-size: 16.5px; margin-bottom: 2px; }
.cat-card .cap p { color: var(--muted); font-size: 13px; }

/* ---------- Top picks ---------- */
.picks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pick-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.pick-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pick-card .thumb { aspect-ratio: 4 / 3; overflow: hidden; background: #f8faf9; }
.pick-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pick-card:hover .thumb img { transform: scale(1.06); }
.pick-card .body { padding: 18px 20px; }
.pick-card .body h3 { font-size: 16px; margin-bottom: 6px; }
.pick-card .body p { color: var(--muted); font-size: 13.5px; }
.pick-card .body .tag { display: inline-block; margin-top: 10px; background: var(--green-soft); color: var(--green-dark); font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px; }

/* ---------- Certificates ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cert-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-align: center; transition: transform .25s, box-shadow .25s; }
.cert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cert-card img { max-height: 220px; margin: 0 auto 14px; object-fit: contain; }
.cert-card h3 { font-size: 15.5px; color: var(--navy); }
.cert-card p { color: var(--muted); font-size: 13px; }

/* ---------- Factory & exhibition galleries ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery figure { border-radius: var(--radius); overflow: hidden; position: relative; }
.gallery figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .4s; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  position: absolute; inset-inline: 0; bottom: 0; padding: 34px 16px 12px; color: #fff;
  font-size: 13.5px; font-weight: 700; background: linear-gradient(transparent, rgba(10, 31, 53, 0.82));
}

/* ---------- Process ---------- */
.process { counter-reset: step; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.process-item {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; transition: transform .25s, box-shadow .25s;
}
.process-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.process-item .num {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--navy); color: var(--green); display: grid; place-items: center;
  font-weight: 900; font-size: 20px;
}
.process-item h3 { font-size: 15.5px; margin-bottom: 6px; }
.process-item p { color: var(--muted); font-size: 13px; }

/* ---------- Quality ---------- */
.quality-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.quality-list li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.quality-list li:last-child { border-bottom: none; }
.quality-list .ic { width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: var(--green-soft); color: var(--green-dark); display: grid; place-items: center; font-size: 20px; }
.quality-list strong { display: block; color: var(--navy); font-size: 16px; }
.quality-list span { color: var(--muted); font-size: 14px; }

/* ---------- OEM / ODM ---------- */
.oem { background: linear-gradient(120deg, var(--navy-3), var(--navy-2)); color: #fff; }
.oem .section-head h2 { color: #fff; }
.oem .section-head p { color: #b9cfe6; }
.oem .kicker { background: rgba(37, 208, 122, 0.16); color: #7cecb0; }
.oem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.oem-card { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); border-radius: var(--radius); padding: 28px 24px; backdrop-filter: blur(6px); transition: transform .25s; }
.oem-card:hover { transform: translateY(-6px); }
.oem-card .ic { width: 52px; height: 52px; border-radius: 14px; background: var(--green); color: #06281a; display: grid; place-items: center; font-size: 24px; margin-bottom: 16px; }
.oem-card h3 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.oem-card p { color: #b9cfe6; font-size: 14px; }

/* ---------- Markets ---------- */
.market-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.market-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: transform .25s, box-shadow .25s; }
.market-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.market-card .ic { font-size: 34px; margin-bottom: 10px; }
.market-card h3 { font-size: 16px; margin-bottom: 4px; }
.market-card p { color: var(--muted); font-size: 13.5px; }

/* ---------- Services ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.svc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; transition: transform .25s, box-shadow .25s; }
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.svc-card .ic { width: 52px; height: 52px; border-radius: 14px; background: var(--green-soft); color: var(--green-dark); display: grid; place-items: center; font-size: 24px; margin-bottom: 14px; }
.svc-card h3 { font-size: 16px; margin-bottom: 6px; }
.svc-card p { color: var(--muted); font-size: 14px; }

/* ---------- Applications ---------- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.app-card { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 210px; display: flex; align-items: flex-end; }
.app-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.app-card:hover img { transform: scale(1.06); }
.app-card .ov { position: relative; z-index: 1; width: 100%; padding: 20px; color: #fff; background: linear-gradient(transparent, rgba(10, 31, 53, 0.88)); }
.app-card h3 { color: #fff; font-size: 16px; }

/* ---------- E-commerce platforms ---------- */
.ep-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ep-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  text-align: center; transition: transform .25s, box-shadow .25s; display: block;
}
.ep-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.ep-card .ic { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px; display: grid; place-items: center; font-size: 30px; color: #fff; }
.ep-card h3 { font-size: 17px; margin-bottom: 6px; }
.ep-card p { color: var(--muted); font-size: 13.5px; margin-bottom: 14px; direction: ltr; }
.ep-card .go { color: var(--green-dark); font-weight: 800; font-size: 14px; }

/* ---------- Social ---------- */
.social-band { background: var(--green-soft); border-block: 1px solid #d3f0e0; }
.social-band .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-block: 34px; }
.social-band h3 { font-size: 22px; margin-bottom: 4px; }
.social-band p { color: var(--muted); font-size: 14.5px; }
.social-links { display: flex; gap: 12px; flex-wrap: wrap; }
.social-links a {
  width: 48px; height: 48px; border-radius: 14px; background: #fff; color: var(--navy);
  display: grid; place-items: center; font-size: 21px; box-shadow: var(--shadow);
  transition: transform .2s, background .2s, color .2s;
}
.social-links a:hover { transform: translateY(-4px); background: var(--navy); color: var(--green); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 800; color: var(--navy);
  font-size: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--green-dark); font-weight: 900; transition: transform .25s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--muted); font-size: 15px; }

/* ---------- CTA ---------- */
.cta { background: linear-gradient(120deg, var(--green-dark), var(--green)); position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 50%, rgba(255,255,255,0.18), transparent 50%); }
.cta .container { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; padding-block: 64px; }
.cta h2 { color: #06281a; font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 6px; }
.cta p { color: rgba(6, 40, 26, 0.75); font-weight: 700; }
.cta .btn-navy { background: #06281a; color: var(--green); }
.cta .btn-navy:hover { background: #0a3a28; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-3); color: #a9c3dd; font-size: 14.5px; }
.footer .container { padding-block: 64px 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer h4 { color: #fff; font-size: 16.5px; margin-bottom: 16px; }
.footer .f-brand img { height: 34px; margin-bottom: 14px; }
.footer .f-brand p { margin-bottom: 14px; }
.footer ul li { margin-bottom: 10px; }
.footer ul a:hover { color: var(--green); }
.footer .f-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.footer .f-contact .ic { color: var(--green); }
.footer .f-social { display: flex; gap: 10px; margin-top: 14px; }
.footer .f-social a { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.08); display: grid; place-items: center; font-size: 18px; color: #cfe0f2; transition: .2s; }
.footer .f-social a:hover { background: var(--green); color: #06281a; }
.footer .copy { border-top: 1px solid rgba(255,255,255,0.1); padding-block: 20px; text-align: center; font-size: 13px; color: #6f8bab; }

/* ---------- Page header (inner pages) ---------- */
.page-hero { background: linear-gradient(115deg, var(--navy-3), var(--navy-2)); color: #fff; padding: 78px 0 84px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 85% 20%, rgba(37, 208, 122, 0.18), transparent 55%); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 42px); margin-bottom: 10px; }
.page-hero p { color: #b9cfe6; max-width: 640px; font-size: 16.5px; }
.breadcrumb { display: flex; gap: 8px; font-size: 13px; color: #7cecb0; margin-bottom: 16px; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: start; }
.contact-info .ci { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 14px; }
.contact-info .ci .ic { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--green-soft); color: var(--green-dark); display: grid; place-items: center; font-size: 20px; }
.contact-info .ci strong { display: block; color: var(--navy); font-size: 15.5px; }
.contact-info .ci span, .contact-info .ci a { color: var(--muted); font-size: 14.5px; direction: ltr; display: inline-block; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 21px; margin-bottom: 6px; }
.contact-form > p { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field label { display: block; font-weight: 800; font-size: 14px; color: var(--navy); margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14.5px; color: var(--ink); background: #fbfdfc; transition: border .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--green); background: #fff; }
.form-field.full { grid-column: 1 / -1; }
.contact-form .btn { width: 100%; margin-top: 18px; }

/* ---------- 404 ---------- */
.err404 { text-align: center; padding: 120px 0; }
.err404 .code { font-size: clamp(90px, 14vw, 150px); font-weight: 900; color: var(--green); line-height: 1; }
.err404 h1 { margin: 10px 0 12px; }
.err404 p { color: var(--muted); margin-bottom: 30px; }

/* ---------- Animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .quality-grid { grid-template-columns: 1fr; gap: 40px; }
  .adv-grid, .market-grid, .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 90px 0 110px; }
  .hero-visual { max-width: 480px; margin-inline: auto; }
}

@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .nav {
    position: fixed; inset: 0 0 auto 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 20px; gap: 4px; box-shadow: var(--shadow-lg);
    transform: translateY(-120%); transition: transform .3s ease; border-radius: 0 0 20px 20px;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 13px 16px; }
  .nav-toggle { display: block; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .stats .stat { padding: 34px 10px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .picks-grid, .gallery, .cert-grid, .oem-grid, .app-grid, .ep-grid, .adv-grid, .market-grid, .svc-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-points { grid-template-columns: 1fr; }
  .hero-float { inset-inline-start: 0; }
  .topbar .tb-left { display: none; }
  .form-grid { grid-template-columns: 1fr; }
}