/* =========================================================
   VAST LINK INTERNATIONAL — Design System v3
   Fused with Valex's soft, gradient-driven aesthetic.
   Palette from logo: Deep blue #0b4f8c / Bright blue #0077cc
   Accent: Orange #e67300 / Yellow #f7b500 (softened)
   Typeface: Space Grotesk headings + Inter body
   Soft gradients, generous rounding, calm & confident.
   ========================================================= */

:root {
  --primary: #0b4f8c;
  --primary-2: #0077cc;
  --primary-dark: #0a2c4f;
  --accent: #e67e22;
  --accent-2: #f0a23a;

  /* soft gradient stops */
  --g-blue-a: #0d5796;
  --g-blue-b: #0a2c4f;
  --g-blue-c: #123f6e;

  --text: #1a2030;
  --text-2: #4b5563;
  --text-3: #6b7280;

  --bg: #ffffff;
  --bg-grey: #f5f7fa;
  --bg-grey-2: #ecf0f5;
  --border: #e2e8f0;

  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --shadow: 0 2px 8px rgba(10, 44, 79, .06);
  --shadow-lg: 0 16px 40px rgba(10, 44, 79, .12);

  --maxw: 1200px;
  --nav-h: 70px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.62;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 26px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  line-height: 1.14;
  font-weight: 600;
  letter-spacing: -.02em;
}
h1 { font-size: 3.2rem; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.28rem; }
h4 { font-size: 1.05rem; }
p { color: var(--text-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.section { padding: 88px 0; }
.section--grey { background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%); }
.section--dark {
  background: linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-b) 100%);
  color: #fff;
}
.section--dark p { color: rgba(255, 255, 255, .78); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-bottom: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .94rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-2) 0%, var(--primary) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(11, 79, 140, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(11, 79, 140, .38); }
.btn-outline { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary-dark); }
.btn-navy {
  background: linear-gradient(135deg, var(--g-blue-c) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(10, 44, 79, .24);
}
.btn-navy:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(10, 44, 79, .34); }
.btn-lg { padding: 16px 34px; font-size: 1rem; }

/* ---------- Top bar ---------- */
.topbar {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--g-blue-c) 100%);
  color: rgba(255, 255, 255, .78);
  font-size: .8rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
  gap: 24px;
  flex-wrap: wrap;
}
.topbar a { color: rgba(255,255,255,.78); transition: color .2s; }
.topbar a:hover { color: #fff; }
.topbar-right { display: flex; gap: 22px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 42px; width: auto; }
.logo-text { line-height: 1.1; }
.logo-text strong { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 1.05rem; letter-spacing: -.01em; }
.logo-text span { font-size: .68rem; color: var(--text-3); letter-spacing: .08em; text-transform: uppercase; }

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 10px 14px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 4px;
  transition: all .18s;
  position: relative;
}
.nav-menu > li > a:hover { color: var(--primary); }
.nav-menu > li > a.active { color: var(--primary); font-weight: 600; }
.nav-menu > li > a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 14px; right: 14px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}
.nav-menu .btn { margin-left: 10px; padding: 10px 20px; }

/* dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%; left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 270px;
  padding: 8px;
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: all .2s;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { font-size: .88rem; padding: 9px 12px; display: block; border-radius: 4px; }
.dropdown-menu a:hover { background: var(--bg-grey); color: var(--primary); }
.dropdown-menu a small { display: block; color: var(--text-3); font-size: .76rem; font-weight: 400; }

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--primary-dark);
  color: #fff;
  padding: 100px 0 0;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(0, 119, 204, .55) 0%, rgba(13, 87, 150, .0) 55%),
    linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-c) 48%, var(--g-blue-b) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  left: -90px; bottom: -200px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(240, 162, 58, .28) 0%, rgba(230, 126, 34, .10) 50%, transparent 70%);
  filter: blur(4px);
}
.hero-grid {
  position: relative; z-index: 2;
  max-width: 820px;
  padding-bottom: 76px;
}
.hero h1 {
  font-size: 3.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -.03em;
}
.hero h1 em { font-style: normal; color: var(--accent-2); }
.hero-lead { font-size: 1.1rem; color: rgba(255, 255, 255, .82); margin-bottom: 32px; max-width: 620px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-badges { display: flex; gap: 26px; margin-top: 36px; flex-wrap: wrap; }
.hero-badges div { font-size: .86rem; color: rgba(255, 255, 255, .72); display: flex; align-items: center; gap: 8px; }
.hero-badges svg { flex-shrink: 0; color: var(--accent-2); }

.hero-visual { display: none; }

/* stats bar — sits flush at bottom of hero, dark */
.stats {
  position: relative; z-index: 3;
  background: rgba(4, 20, 38, .30);
  border-top: 1px solid rgba(255,255,255,.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  backdrop-filter: blur(8px);
}
.stat { padding: 30px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
.stat:last-child { border-right: none; }
.stat-num { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 600; color: #fff; line-height: 1.1; letter-spacing: -.02em; }
.stat-num small { font-size: .95rem; font-weight: 600; color: var(--accent-2); }
.stat-label { font-size: .8rem; color: rgba(255,255,255,.65); margin-top: 6px; letter-spacing: .05em; text-transform: uppercase; }

/* slanted divider */
.hero + * { position: relative; }

/* ---------- Product cards ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* Applications grid on homepage — 2 per row, smaller cards (scoped, no impact on .grid-3 / Products) */
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 26px;
  max-width: 920px;
  margin: 0 auto;
}
.app-grid .card-body { padding: 15px 16px 17px; align-items: center; text-align: center; }
.app-grid .card-body h3 { font-size: 1rem; margin-bottom: 0; }
@media (max-width: 560px) {
  .app-grid { grid-template-columns: 1fr; max-width: 340px; }
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .28s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-2), var(--primary));
  opacity: 0;
  transition: opacity .25s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(11, 79, 140, .35); }
.card:hover::before { opacity: 1; }

.card-media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, #f5f7fa 0%, #e6ecf4 100%);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.card-media svg { width: 58%; height: 58%; }
/* Let the image size itself (aspect-ratio on the <img>), never the parent's
   height: that is what makes photos overflow their card on mobile Safari.
   The <picture> wrapper must be a full-width block so width:100% has a base. */
.card-media picture { display: block; width: 100%; }
.card-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.card-tag {
  position: absolute; top: 12px; left: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: .68rem; font-weight: 700;
  padding: 4px 12px; border-radius: 20px;
  letter-spacing: .07em; text-transform: uppercase;
}
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { margin-bottom: 9px; }
.card-body p { font-size: .91rem; margin-bottom: 14px; flex: 1; }
.card-specs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip {
  font-size: .74rem;
  background: linear-gradient(135deg, #eef2f7, #e3eaf2);
  color: var(--text-2);
  padding: 4px 11px;
  border-radius: 20px;
  font-weight: 500;
}
.card-link {
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link:hover { color: var(--accent); gap: 10px; }

/* ---------- Applications / Industries ---------- */

@media (max-width: 900px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .app-card .app-title { font-size: 1.05rem; }
  .app-card .app-desc { font-size: .82rem; }
}
@media (max-width: 560px) {
  .app-grid { grid-template-columns: 1fr; }
}

/* ---------- OEM strip ---------- */
.oem-strip {
  background: linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-b) 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 46px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.oem-strip::after {
  content: '';
  position: absolute;
  right: -40px; top: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 162, 58, .30) 0%, transparent 70%);
}
.oem-strip h3 { color: #fff; margin-bottom: 6px; }
.oem-strip p { color: rgba(255, 255, 255, .8); font-size: .95rem; position: relative; z-index: 2; }
.oem-strip h3, .oem-strip .btn { position: relative; z-index: 2; }
.oem-strip .btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 6px 18px rgba(230, 126, 34, .30);
}
.oem-strip .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(230, 126, 34, .40); }

/* ---------- Features ---------- */
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: all .28s;
  box-shadow: var(--shadow);
}
.feature:hover { border-color: rgba(11, 79, 140, .32); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, rgba(0, 119, 204, .12), rgba(11, 79, 140, .10));
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: var(--primary);
}
.feature h3 { margin-bottom: 9px; font-size: 1.12rem; }
.feature p { font-size: .91rem; }

/* ---------- Certification wall ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary-2);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: all .25s;
  box-shadow: var(--shadow);
}
.cert:hover { border-color: rgba(11, 79, 140, .32); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cert-code {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -.02em;
}
.cert-name { font-size: .86rem; font-weight: 600; margin-top: 4px; }
.cert-desc { font-size: .76rem; color: var(--text-3); margin-top: 3px; }

/* ---------- Applications ---------- */
.app-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--g-blue-c) 0%, var(--primary-dark) 100%);
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  color: #fff;
  transition: transform .28s ease, box-shadow .28s ease;
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.app-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,44,79,.05) 0%, rgba(10,44,79,.86) 100%);
}
.app-card > * { position: relative; z-index: 2; }
.app-card h4 { color: #fff; font-size: 1.02rem; }
.app-card p { color: rgba(255, 255, 255, .72); font-size: .84rem; margin: 0; }

/* ---------- Split / About ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-media {
  background: linear-gradient(145deg, #eef2f6, #dde5ee);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  color: var(--primary);
}
.checklist li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .94rem;
  color: var(--text-2);
}
.checklist li:last-child { border-bottom: none; }
.checklist svg { flex-shrink: 0; margin-top: 4px; color: var(--accent); }
.checklist strong { color: var(--text); }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; }
th, td { padding: 14px 18px; text-align: left; font-size: .92rem; border-bottom: 1px solid var(--border); }
th { background: linear-gradient(135deg, var(--g-blue-a), var(--g-blue-c)); color: #fff; font-weight: 600; font-size: .84rem; letter-spacing: .04em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-grey); }
td:first-child { font-weight: 600; color: var(--text); }

/* ---------- Contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.info-item:last-child { border-bottom: none; }
.info-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(0, 119, 204, .12), rgba(11, 79, 140, .10));
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--primary);
}
.info-item h4 { font-size: .78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 3px; font-weight: 600; }
.info-item p, .info-item a { font-size: .97rem; color: var(--text); font-weight: 500; }
.info-item a:hover { color: var(--accent); }

form { background: #fff; padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .94rem;
  background: #fff;
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 79, 140, .08);
}
.field textarea { min-height: 120px; resize: vertical; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-b) 100%);
  color: #fff;
  padding: 76px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 50% 0%, rgba(0, 119, 204, .25) 0%, transparent 60%);
}
.cta-band h2 { color: #fff; margin-bottom: 12px; font-size: 2.4rem; }
.cta-band p { color: rgba(255, 255, 255, .8); margin-bottom: 26px; max-width: 620px; margin-left: auto; margin-right: auto; position: relative; }
.cta-band h2, .cta-band .btn { position: relative; z-index: 2; }

/* ---------- Page header ---------- */
.page-head {
  background: linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-b) 100%);
  color: #fff;
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-head::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(100% 160% at 100% 0%, rgba(0, 119, 204, .40) 0%, transparent 55%);
}
.page-head .container { position: relative; z-index: 2; }
.page-head h1 { color: #fff; font-size: 2.6rem; margin-bottom: 12px; }
.page-head p { color: rgba(255, 255, 255, .82); font-size: 1.02rem; max-width: 660px; }
.breadcrumb { font-size: .82rem; color: rgba(255, 255, 255, .64); margin-bottom: 14px; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Footer ---------- */
.footer { background: linear-gradient(180deg, #081d33 0%, #051425 100%); color: rgba(255, 255, 255, .7); padding: 56px 0 0; }
.footer h4 { color: #fff; font-size: .88rem; margin-bottom: 16px; letter-spacing: .06em; text-transform: uppercase; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 42px; }
.footer p { color: rgba(255, 255, 255, .66); font-size: .88rem; }
.footer a { color: rgba(255, 255, 255, .68); font-size: .88rem; }
.footer a:hover { color: #fff; }
.footer li { margin-bottom: 9px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo .logo-img { height: 38px; }
.footer-logo strong { color: #fff; font-size: 1rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .10);
  padding: 20px 0;
  font-size: .82rem;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: #25D366;
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(37, 211, 102, .4);
  z-index: 200;
  color: #fff;
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Product list (category page) ---------- */
.plist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* divider between primary product lines and the companion range */
.range-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 48px 0 26px;
}
.range-divider::before,
.range-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 18%, var(--border) 82%, transparent 100%);
}
.range-divider span {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
}
.range-divider span::before {
  content: '';
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 10px;
}

/* companion row — single card occupies 1/3 width on the left, the rest is empty space */
.grid-companion {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-companion .card-secondary { grid-column: 1; }

/* secondary/companion card — used on homepage for the "coils" companion range */
.card-secondary {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfd 100%);
  border: 1px dashed var(--border);
}
.card-secondary::before { opacity: 0; }
.card-secondary:hover { transform: none; box-shadow: none; border-color: var(--border); }
.card-secondary:hover::before { opacity: 0; }
.card-secondary .card-media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, #f8fafc, #eef1f5);
  opacity: .94;
}
.card-secondary .card-tag {
  background: var(--text-3);
  opacity: .9;
  color: #fff;
  letter-spacing: .08em;
}
.card-secondary .card-body { padding: 16px 18px; }
.card-secondary h3 { font-size: 1.05rem; }
.card-secondary p { font-size: .88rem; color: var(--text-3); }
.card-secondary .chip {
  background: #f0f2f5;
  color: var(--text-3);
  font-size: .68rem;
}
.card-secondary .card-link {
  color: var(--text-3);
  font-size: .82rem;
}

/* Product photo cards (homepage + Products page). The product shots are square
   (900x900), so the frame and the image are both square: no crop at all, and
   the whole product stays visible on every screen width. */
.card-media--product,
.card-media--product img,
.card-secondary .card-media--product { aspect-ratio: 1 / 1; }
.card-media--product img { object-fit: cover; background: #fff; }

/* vertical-integration banner (about page) */
.integration-banner {
  background: linear-gradient(135deg, #082a4d 0%, #0b4f8c 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.integration-banner::after {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 126, 34, .18), transparent 70%);
  pointer-events: none;
}
.integration-banner .ib-icon {
  width: 64px; height: 64px;
  background: rgba(255, 255, 255, .12);
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
}
.integration-banner h3 { color: #fff; margin-bottom: 8px; font-size: 1.22rem; letter-spacing: -.01em; }
.integration-banner p { color: rgba(255, 255, 255, .82); font-size: .96rem; max-width: 760px; }
.pitem {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary-2);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: all .25s;
  box-shadow: var(--shadow);
}
.pitem:hover { border-color: rgba(11, 79, 140, .32); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.pitem-media {
  aspect-ratio: 1;
  background: linear-gradient(145deg, #f5f7fa, #e6ecf4);
  border-radius: 8px;
  display: grid; place-items: center;
  margin-bottom: 10px;
  color: var(--primary);
}
.pitem-media svg { width: 56%; height: 56%; }
.pitem h4 { font-size: .88rem; margin-bottom: 3px; }
.pitem small { font-size: .76rem; color: var(--text-3); }

/* ---------- Photo gallery ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-grey);
  transition: transform .3s ease, box-shadow .3s ease;
}
.gallery img:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 79, 140, .32);
}
.gallery.tall img { aspect-ratio: 3 / 4; }
.gallery figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-grey);
  transition: transform .3s ease, box-shadow .3s ease;
}
.gallery figure:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 79, 140, .32);
}
.gallery figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 0;
  border-radius: 0;
}
.gallery figcaption {
  padding: 8px 10px;
  font-size: .78rem;
  line-height: 1.35;
  color: var(--text-2);
  background: #fff;
  border-top: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gallery-caption {
  font-size: .82rem;
  color: var(--text-3);
  margin-top: 14px;
}

/* real photo inside split-media (overrides gradient placeholder) */
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.split-media { padding: 0; overflow: hidden; }

/* framed single photo */
.photo {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg-grey);
}
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.photo-grid .photo { aspect-ratio: 4 / 3; object-fit: cover; }

/* spec sheet image (factory data) */
.spec-sheet {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow);
  margin-top: 18px;
}

/* ---------- Production process (12 steps) ---------- */
.proc-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.proc-step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .28s ease;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.proc-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(11, 79, 140, .32); }
.proc-media {
  position: relative;
  aspect-ratio: 3 / 4;
  width: 72%;
  max-width: 170px;
  margin: 16px auto 0;
  border-radius: 12px;
  overflow: hidden;
}
.proc-media img { width: 100%; height: 100%; object-fit: cover; }
.proc-num {
  position: absolute;
  top: 10px; left: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .04em;
}
.proc-body { padding: 14px 14px 18px; text-align: center; }
.proc-body h4 { font-size: .95rem; margin-bottom: 0; text-align: center; }
.proc-body p { display: none; }

/* ---------- Quality control flow (reevaluated in-site) ---------- */
.qcflow { border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; overflow: hidden; box-shadow: var(--shadow); }
.qc-stage + .qc-stage { border-top: 1px solid var(--border); }
.qc-stage-head {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 22px;
  background: linear-gradient(135deg, #f2f6fb 0%, #e8eef6 100%);
  border-left: 4px solid var(--primary-2);
}
.qc-num {
  font-size: .74rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  border-radius: 6px; padding: 3px 9px; letter-spacing: .04em;
  font-family: 'Space Grotesk', sans-serif;
}
.qc-stage-head .ht { flex: 1; }
.qc-title { font-size: .98rem; font-weight: 600; color: var(--text); }
.qc-sub { font-size: .8rem; color: var(--text-3); margin-top: 1px; }
.qc-code { font-size: .74rem; font-weight: 700; color: var(--primary); background: #eaf1f8; border: 1px solid #cfe0ef; border-radius: 999px; padding: 3px 12px; letter-spacing: .05em; }
.qc-stage-body { padding: 20px 22px; overflow-x: auto; }
.qc-chain { display: flex; align-items: stretch; gap: 8px; min-width: max-content; }
.qc-step { flex: none; width: 150px; display: flex; flex-direction: column; }
.qc-node {
  flex: 1; min-height: 74px;
  background: #fbfcfe; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 11px 12px; text-align: center;
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
}
.qc-nt { font-size: .82rem; font-weight: 600; color: var(--text); line-height: 1.3; }
.qc-ns { font-size: .74rem; color: var(--text-3); line-height: 1.35; }
.qc-arrow { display: flex; align-items: center; color: #a8b4c2; flex: none; }
.qc-tag { margin-top: 8px; font-size: .7rem; border-radius: 999px; padding: 2px 10px; text-align: center; white-space: nowrap; }
.qc-t-s { background: #eef1f5; color: var(--text-2); border: 1px solid #dde3ea; }
.qc-t-f { background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: #fff; }
.qc-branches { border: 1px dashed #d4e0ec; background: #f8fbfe; border-radius: var(--radius); padding: 16px 18px; }
.qc-branch { display: flex; align-items: stretch; gap: 8px; min-width: max-content; }
.qc-branch + .qc-branch { margin-top: 16px; padding-top: 16px; border-top: 1px solid #e6eef6; }
.qc-branch-note { font-size: .78rem; color: var(--text-3); margin-bottom: 14px; }
.qc-bl {
  flex: none; width: 108px; min-height: 74px;
  background: linear-gradient(135deg, rgba(0,119,204,.14), rgba(11,79,140,.10));
  border: 1px solid rgba(11, 79, 140, .28); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 9px 8px;
}
.qc-bl-t { font-size: .84rem; font-weight: 600; color: var(--primary); line-height: 1.3; }
.qc-bl-s { font-size: .74rem; color: var(--text-3); margin-top: 2px; }
.qc-flow-legend {
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
  margin-bottom: 20px; font-size: .78rem; color: var(--text-2);
}
.qc-flow-legend .qc-tag { margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  .hero h1 { font-size: 3rem; }
  .hero-grid { max-width: 100%; }
  .grid-4, .cert-grid, .plist, .proc-steps { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.65rem; }
  .hero { padding-top: 64px; }
  .hero h1 { font-size: 2.2rem; }
  .page-head h1 { font-size: 2rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid rgba(255,255,255,.10); }
  .stat:nth-child(even) { border-right: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-companion { grid-template-columns: 1fr; }
  .grid-companion .card-secondary { grid-column: auto; max-width: 460px; }
  .range-divider { margin: 40px 0 22px; gap: 12px; }
  /* let the divider label wrap instead of pushing the page 3px wider than the screen */
  .range-divider span { white-space: normal; min-width: 0; text-align: center; letter-spacing: .1em; }
  .proc-steps { grid-template-columns: 1fr 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .oem-strip { padding: 28px 24px; }
  form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-band h2 { font-size: 1.9rem; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: all .22s;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu .btn { margin: 8px 0 0; justify-content: center; }
  .burger { display: block; }
  .dropdown-menu {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 0 0 12px;
    min-width: 0;
  }
  .topbar .container { justify-content: center; height: auto; padding: 8px 24px; }
  .topbar-right { display: none; }
}

@media (max-width: 480px) {
  .grid-4, .cert-grid, .plist, .proc-steps { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .hero h1 { font-size: 1.9rem; }
}

/* ---------- FAQ (native details/summary, SEO-friendly) ---------- */
.faq-section { padding: 64px 0; }
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid rgba(11, 79, 140, .12);
  border-radius: var(--radius-md, 16px);
  background: #fff;
  overflow: hidden;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.faq-item:hover { box-shadow: var(--shadow-sm, 0 4px 18px rgba(11,79,140,.06)); }
.faq-item details { display: block; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: ''; }
.faq-item summary .faq-ico {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2, #f0a23a));
  color: #fff;
  display: grid; place-items: center;
  font-size: 1.1rem; line-height: 1;
  transition: transform .25s ease;
}
.faq-item details[open] summary .faq-ico { transform: rotate(45deg); }
.faq-item details[open] summary { color: var(--accent); }
.faq-item .faq-a {
  padding: 0 24px 22px;
  color: var(--text-2);
  font-size: .98rem;
  line-height: 1.8;
}
.faq-item .faq-a p { margin-bottom: 10px; }
.faq-item .faq-a p:last-child { margin-bottom: 0; }
.faq-item .faq-a strong { color: var(--text); }

/* ---------- Social media icons (footer) ---------- */
.social-strip { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.social-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .08);
  display: grid; place-items: center;
  color: #fff;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.social-icon:hover { background: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(230, 126, 34, .3); }
.social-icon svg { width: 20px; height: 20px; }

/* ---------- Social share buttons (product pages) ---------- */
.share-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 28px; }
.share-label { font-weight: 600; font-size: .92rem; color: var(--text-2); margin-right: 4px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: .85rem; font-weight: 600;
  color: #fff;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.share-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(0, 0, 0, .18); filter: brightness(1.05); }
.share-btn svg { width: 16px; height: 16px; }
.share-btn.share-linkedin { background: #0a66c2; }
.share-btn.share-facebook { background: #1877f2; }
.share-btn.share-x { background: #111; }
.share-btn.share-whatsapp { background: #25d366; }

/* ---------- Video placeholder (reserve space, no CLS) ---------- */
.video-band { padding: 56px 0; }
.video-shell {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--g-blue-a) 0%, var(--g-blue-b) 100%);
  box-shadow: var(--shadow-lg);
}
.video-shell .video-poster {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(.72);
}
.video-shell .video-scrim {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 14px;
  color: #fff;
  text-align: center;
  padding: 24px;
}
.video-shell .play-badge {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  backdrop-filter: blur(4px);
  border: 2px solid rgba(255, 255, 255, .5);
  display: grid; place-items: center;
  transition: transform .25s ease, background .25s ease;
}
.video-shell:hover .play-badge { transform: scale(1.08); background: var(--accent); border-color: var(--accent); }
.video-shell .play-badge svg { width: 30px; height: 30px; color: #fff; }
.video-shell .video-caption { font-size: 1.1rem; font-weight: 600; }
.video-shell .video-sub { font-size: .9rem; color: rgba(255,255,255,.85); max-width: 460px; }
.video-shell iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Spec chips (key parameters) ---------- */
.chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 28px 0 8px; }
.chips .chip {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.chips .chip:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.chips .chip .l {
  font-size: .7rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--text-3); font-weight: 700;
}
.chips .chip .v { font-size: .95rem; font-weight: 600; color: var(--text); margin-top: 6px; line-height: 1.5; }
@media (max-width: 860px) { .chips { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .chips { grid-template-columns: 1fr; } }

/* ---------- Note callout ---------- */
.note {
  background: linear-gradient(135deg, rgba(230, 126, 34, .07) 0%, rgba(240, 162, 58, .05) 100%);
  border: 1px solid rgba(230, 126, 34, .22);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 22px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-2);
}
.note strong { color: var(--text); }

/* ---------- Type grid (fitting types with images) ---------- */
.type-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; }
.type-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
}
.type-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.type-card .im { aspect-ratio: 1 / 1; background: var(--bg-grey); display: grid; place-items: center; overflow: hidden; }
.type-card .im img { width: 100%; height: 100%; object-fit: cover; }
.type-card .nm { padding: 13px 15px 2px; font-size: .95rem; font-weight: 600; color: var(--text); }
.type-card .ds { padding: 0 15px 15px; font-size: .83rem; color: var(--text-3); line-height: 1.6; }
@media (max-width: 1000px) { .type-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .type-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Group heading inside type sections ---------- */
.type-group { margin-top: 34px; }
.type-group > h3 {
  font-size: 1.02rem; font-weight: 600; color: var(--text);
  margin-bottom: 2px; letter-spacing: -.01em;
}

/* ---------- Certificates (anti-download) ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.cert-item {
  position: relative;
  background: #f7f8fa;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
}
.cert-item .cert-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  line-height: 0;
}
.cert-item img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}
/* transparent overlay blocks right-click / save-as */
.cert-item .cert-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  pointer-events: auto;
  cursor: default;
}
.cert-name {
  font-size: .78rem;
  color: var(--text-2);
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: .01em;
}
@media (max-width: 680px) {
  .cert-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .cert-name { font-size: .72rem; }
}
@media (max-width: 420px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}