/* TGC v4 — Industrial RTL stylesheet */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #0A2540; --primary-2: #15375A; --primary-3: #061827;
  --accent: #0E7C9F; --accent-2: #0891B2; --accent-light: #E0F2FE;
  --steel: #475569; --steel-light: #94A3B8;
  /* Industrial palette aliases */
  --navy: #061827;
  --steel-blue: #0e5f88;
  --dark-steel: #101820;
  --light-bg: #f6f8fa;
  --border-soft: rgba(10,30,50,0.10);
  --text-main: #111827;
  --text-muted: #5f6b76;
  --gray-900: #0F172A; --gray-800: #1E293B; --gray-700: #334155;
  --gray-600: #475569; --gray-500: #64748B; --gray-400: #94A3B8;
  --gray-300: #CBD5E1; --gray-200: #E2E8F0; --gray-100: #F1F5F9;
  --gray-50: #F8FAFC; --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04);
  --shadow: 0 2px 8px rgba(15,23,42,.06);
  --shadow-md: 0 4px 16px rgba(15,23,42,.08);
  --shadow-lg: 0 12px 32px rgba(15,23,42,.12);
  --radius: 4px; --radius-md: 6px;
  --container: 1280px;
  --font: 'Vazirmatn', 'Vazirmatn-FB', Tahoma, 'IRANSansX', 'IRANSans', Arial, sans-serif;
  --font-num: 'Inter', 'Vazirmatn', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 15px; line-height: 1.85; color: var(--text-main); background: var(--white); direction: rtl; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.ltr { direction: ltr; unicode-bidi: embed; display: inline-block; font-family: var(--font-num); }
.num { font-family: var(--font-num); direction: ltr; unicode-bidi: embed; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.4; color: var(--gray-900); }
h1 { font-size: clamp(28px, 4vw, 46px); line-height: 1.3; }
h2 { font-size: clamp(24px, 2.8vw, 34px); }
h3 { font-size: 19px; }
h4 { font-size: 16px; }
p { line-height: 1.95; color: var(--gray-700); }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 11.5px; font-weight: 600; color: var(--accent); margin-bottom: 14px; }
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); }

.section-head { text-align: center; max-width: 800px; margin: 0 auto 56px; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 15.5px; line-height: 2; color: var(--gray-500); }

/* TOPBAR */
.topbar { background: var(--primary-3); color: var(--gray-300); font-size: 12.5px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
.topbar-inner { max-width: var(--container); margin: 0 auto; padding: 0 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.topbar-left, .topbar-right { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.topbar a { color: var(--gray-300); display: inline-flex; align-items: center; gap: 6px; transition: color .15s; }
.topbar a:hover { color: var(--white); }
.topbar-divider { color: var(--gray-600); }

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); }
.nav-inner { max-width: var(--container); margin: 0 auto; padding: 0 32px; height: 76px; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark { width: 46px; height: 46px; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; letter-spacing: 0.5px; border-radius: var(--radius); font-family: var(--font-num); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 15px; font-weight: 700; color: var(--gray-900); }
.logo-tag { font-size: 11px; color: var(--gray-500); margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav-link { padding: 10px 14px; font-size: 14px; font-weight: 500; color: var(--gray-700); border-radius: var(--radius); transition: all .15s; display: inline-flex; align-items: center; gap: 5px; }
.nav-link:hover { color: var(--primary); background: var(--gray-100); }
.nav-link.active { color: var(--primary); background: var(--accent-light); }

/* Dropdown nav item */
.nav-dropdown { position: relative; }
.nav-dropdown > .nav-link::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  margin-inline-start: 4px;
  opacity: .6;
  transition: transform .2s;
}
.nav-dropdown:hover > .nav-link { color: var(--primary); background: var(--gray-100); }
.nav-dropdown:hover > .nav-link::after { transform: rotate(-135deg) translateY(2px); opacity: 1; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline-end: 0;
  min-width: 320px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px -8px rgba(15,23,42,.15), 0 4px 16px -4px rgba(15,23,42,.06);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .2s, visibility .2s, transform .2s;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: background .15s;
}
.nav-dropdown-item:hover { background: var(--gray-50); }
.nav-dropdown-item-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-top: 2px;
}
.nav-dropdown-item-icon svg { width: 16px; height: 16px; }
.nav-dropdown-item-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.nav-dropdown-item-title { display: block; font-size: 13.5px; font-weight: 600; color: var(--gray-900); margin-bottom: 4px; line-height: 1.4; }
.nav-dropdown-item-desc { display: block; font-size: 11.5px; color: var(--gray-500); line-height: 1.6; direction: rtl; unicode-bidi: plaintext; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; background: var(--primary); color: var(--white); font-size: 14px; font-weight: 600; border-radius: var(--radius); transition: background .15s; }
.nav-cta:hover { background: var(--primary-2); }
.nav-hamburger { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; color: var(--gray-700); }
.nav-hamburger svg { width: 22px; height: 22px; }
.mobile-menu { display: none; position: fixed; top: 76px; inset-inline-start: 0; inset-inline-end: 0; background: var(--white); border-bottom: 1px solid var(--gray-200); padding: 20px 32px; box-shadow: var(--shadow-lg); z-index: 99; flex-direction: column; gap: 4px; max-height: calc(100vh - 76px); overflow-y: auto; }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 16px; font-size: 15px; font-weight: 500; color: var(--gray-700); border-radius: var(--radius); }
.mobile-menu a:hover { background: var(--gray-100); color: var(--primary); }
.mobile-menu a.cta { background: var(--primary); color: var(--white); text-align: center; margin-top: 8px; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; font-size: 14px; font-weight: 600; border-radius: var(--radius); transition: all .15s; white-space: nowrap; border: 1.5px solid transparent; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-2); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-2); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--accent-light); }
.btn-ghost { background: var(--gray-100); color: var(--gray-700); }
.btn-ghost:hover { background: var(--gray-200); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn-outline-white:hover { background: rgba(255,255,255,.08); border-color: var(--white); }

/* HERO */
.hero { position: relative; background: linear-gradient(135deg, var(--primary-3) 0%, var(--primary) 60%, var(--primary-2) 100%); color: var(--white); overflow: hidden; padding: 88px 0 100px; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 85% 25%, rgba(14,124,159,.18) 0%, transparent 55%), radial-gradient(circle at 15% 75%, rgba(14,124,159,.10) 0%, transparent 50%); }
.hero::after { content: ''; position: absolute; inset-inline-start: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--accent), transparent); }
.hero-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 48px 48px; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; max-width: var(--container); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 600; color: #67E8F9; margin-bottom: 22px; }
.hero-eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); }
.hero h1 { font-size: clamp(30px, 4.5vw, 50px); font-weight: 700; line-height: 1.32; color: var(--white); margin-bottom: 22px; }
.hero h1 .accent { color: #67E8F9; }
.hero h1 .sub { display: block; font-weight: 500; font-size: clamp(20px, 2.8vw, 30px); color: #94C5DE; margin-bottom: 8px; }
.hero-lead { font-size: 16px; line-height: 2; color: #B6CCDE; margin-bottom: 16px; max-width: 580px; }
.hero-meta-bar { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; padding: 14px 18px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); max-width: 580px; }
.hero-meta-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--white); }
.hero-meta-item strong { color: #67E8F9; font-weight: 700; font-family: var(--font-num); font-size: 16px; }
.hero-meta-item span { color: #94C5DE; font-size: 12px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-badge { font-size: 11.5px; font-weight: 500; color: #94C5DE; padding: 6px 14px; border: 1px solid rgba(148,197,222,.22); border-radius: 20px; background: rgba(255,255,255,.02); font-family: var(--font-num); }
.hero-spec { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.10); border-radius: var(--radius-md); padding: 26px; backdrop-filter: blur(8px); position: relative; }
.hero-spec::before { content: 'TGC // PROJECT BRIEF'; position: absolute; top: -10px; inset-inline-start: 20px; background: var(--primary-3); color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: 1.5px; padding: 3px 10px; font-family: var(--font-num); border: 1px solid rgba(148,197,222,.22); border-radius: 2px; }
.hero-spec h3 { font-size: 14px; color: #67E8F9; margin-bottom: 18px; font-weight: 600; }
.hero-spec-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 13.5px; }
.hero-spec-row:last-child { border-bottom: none; padding-bottom: 0; }
.hero-spec-row .label { color: #94C5DE; font-size: 13px; }
.hero-spec-row .value { color: var(--white); font-weight: 500; }

/* INDUSTRIES STRIP */
.industries-strip { background: var(--primary-3); border-bottom: 1px solid rgba(255,255,255,.05); overflow: hidden; }
.industries-strip-inner { max-width: var(--container); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: repeat(7, 1fr); }
.ind-strip-item { padding: 18px 12px; text-align: center; border-inline-end: 1px solid rgba(255,255,255,.05); transition: background .2s; }
.ind-strip-item:last-child { border-inline-end: none; }
.ind-strip-item:hover { background: rgba(255,255,255,.03); }
.ind-strip-num { display: block; font-size: 11px; color: var(--accent); font-weight: 600; margin-bottom: 4px; font-family: var(--font-num); letter-spacing: 1px; }
.ind-strip-label { display: block; font-size: 13px; color: var(--white); font-weight: 500; }

/* SECTIONS */
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-alt { background: var(--gray-50); }
.section-dark { background: var(--primary); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: #94C5DE; }
.section-dark .eyebrow { color: #67E8F9; }
.section-dark .eyebrow::before { background: #67E8F9; }

.section-header-split { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: end; margin-bottom: 48px; padding-bottom: 28px; border-bottom: 1px solid var(--gray-200); }
.section-header-split h2 { margin-bottom: 14px; }
.section-header-split .lead { font-size: 15.5px; line-height: 2; color: var(--gray-500); max-width: 640px; }
.section-header-split .side-meta { text-align: left; font-size: 13px; color: var(--gray-500); line-height: 2; font-family: var(--font-num); direction: ltr; }
.section-header-split .side-meta strong { color: var(--gray-900); font-weight: 700; }

/* PAGE HERO */
.page-hero { background: linear-gradient(180deg, var(--gray-50), var(--white)); border-bottom: 1px solid var(--gray-200); padding: 64px 0 56px; position: relative; }
.page-hero::before { content: ''; position: absolute; inset-inline-start: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); }
.breadcrumb { font-size: 12.5px; color: var(--gray-500); margin-bottom: 20px; text-align: right; }
.breadcrumb a { color: var(--accent); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: var(--gray-300); }
.breadcrumb .current { color: var(--gray-700); }
.page-hero h1 { font-size: clamp(28px, 3.8vw, 42px); margin-bottom: 18px; max-width: 880px; line-height: 1.4; }
.page-hero-lead { font-size: 16px; line-height: 2; color: var(--gray-500); max-width: 760px; }
.page-hero-meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 20px; }
.page-hero-meta-item { font-size: 13px; color: var(--gray-600); padding-inline-start: 16px; border-inline-start: 2px solid var(--accent); }
.page-hero-meta-item strong { color: var(--gray-900); font-weight: 700; }

/* GRIDS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-asym { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }

/* CARDS */
.card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 28px 26px; transition: all .25s; position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: 0; inset-inline-start: 0; width: 100%; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .3s; }
.card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card:hover::before { transform: scaleX(1); }
.card-num { font-family: var(--font-num); font-size: 11px; color: var(--accent); font-weight: 700; letter-spacing: 1.5px; margin-bottom: 10px; display: block; }
.card-tag { display: inline-block; font-size: 11px; font-weight: 600; color: var(--accent); background: var(--accent-light); padding: 4px 10px; border-radius: 20px; margin-bottom: 12px; }
.card h3 { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.5; }
.card p { font-size: 13.5px; color: var(--gray-500); line-height: 1.95; }
.card-meta { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--gray-200); font-size: 12px; color: var(--gray-500); font-family: var(--font-num); direction: ltr; text-align: right; line-height: 1.85; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; font-weight: 600; color: var(--accent); }
.card-link:hover { color: var(--primary); }

/* PRODUCT CARD — catalog-grade, unified white bg, contain fit */
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .3s cubic-bezier(.4,0,.2,1), transform .3s cubic-bezier(.4,0,.2,1), box-shadow .3s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  position: relative;
}
.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 3;
}
.product-card:hover {
  border-color: var(--gray-300);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px -8px rgba(15,23,42,.12), 0 4px 12px -4px rgba(15,23,42,.06);
}
.product-card:hover::after { transform: scaleX(1); }

.product-card-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #FCFCFD 0%, #F5F7FA 100%);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border-bottom: 1px solid var(--gray-100);
}
.product-card-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at center, rgba(15,23,42,.03) 0%, transparent 60%);
  pointer-events: none;
}
.product-card-img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
  filter: drop-shadow(0 4px 12px rgba(15,23,42,.08));
}
.product-card:hover .product-card-img img { transform: scale(1.06); }

.product-card-img-tag {
  position: absolute;
  top: 14px;
  inset-inline-start: 14px;
  background: var(--white);
  color: var(--primary);
  font-size: 10.5px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 3px;
  font-family: var(--font-num);
  letter-spacing: 0.5px;
  border: 1px solid var(--gray-200);
  z-index: 2;
}

.product-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; background: var(--white); }
.product-card-body h3 { font-size: 17px; margin-bottom: 10px; line-height: 1.45; }
.product-card-body p { font-size: 13.5px; color: var(--gray-500); line-height: 1.95; margin-bottom: 14px; }
.product-card-specs {
  font-size: 11.5px;
  color: var(--gray-600);
  margin-bottom: 16px;
  padding: 10px 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  font-family: var(--font-num);
  direction: ltr;
  text-align: right;
  line-height: 1.85;
  letter-spacing: 0.2px;
}
.product-card-actions { display: flex; gap: 8px; margin-top: auto; }
.product-card-actions .btn { flex: 1; justify-content: center; padding: 9px 14px; font-size: 13px; }

/* INDUSTRY CARD */
.industry-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 32px 26px; transition: all .25s; position: relative; }
.industry-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.industry-card-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--accent-light), #BAE6FD); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--primary); }
.industry-card-icon svg { width: 28px; height: 28px; }
.industry-card-rank { position: absolute; top: 22px; inset-inline-end: 22px; font-family: var(--font-num); font-size: 11px; color: var(--gray-400); font-weight: 600; }
.industry-card h3 { font-size: 18px; margin-bottom: 10px; }
.industry-card p { font-size: 13.5px; color: var(--gray-500); line-height: 1.95; margin-bottom: 14px; }
.industry-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.industry-card-tags span { font-size: 11px; font-weight: 500; color: var(--accent); padding: 3px 8px; background: var(--accent-light); border-radius: 12px; }

/* PANELS */
.feature-panel { background: linear-gradient(135deg, var(--accent-light), #BAE6FD); border-inline-start: 4px solid var(--accent); padding: 32px; border-radius: var(--radius-md); }
.feature-panel h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 18px; }
.feature-panel p { font-size: 14px; color: var(--gray-800); line-height: 2.1; margin-bottom: 6px; }
.feature-panel p strong { color: var(--primary); font-weight: 700; }
.feature-panel .btn { margin-top: 18px; }

.dark-panel { background: var(--primary); color: #B6CCDE; padding: 32px; border-radius: var(--radius-md); position: relative; overflow: hidden; }
.dark-panel::before { content: ''; position: absolute; top: 0; inset-inline-end: 0; width: 100px; height: 100px; background: radial-gradient(circle, rgba(14,124,159,.25), transparent 70%); pointer-events: none; }
.dark-panel h3 { font-size: 18px; color: var(--white); margin-bottom: 14px; }
.dark-panel p { font-size: 14px; color: #B6CCDE; line-height: 2; margin-bottom: 12px; }
.dark-panel .btn { margin-top: 8px; }

/* CHECK LIST */
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-inline-start: 36px; font-size: 14.5px; color: var(--gray-800); line-height: 2; margin-bottom: 10px; }
.check-list li::before { content: ''; position: absolute; inset-inline-start: 0; top: 8px; width: 22px; height: 22px; background: var(--accent-light); border-radius: 50%; }
.check-list li::after { content: '✓'; position: absolute; inset-inline-start: 6px; top: 4px; color: var(--accent); font-size: 14px; font-weight: 700; }

/* STEPS */
.steps { display: flex; flex-direction: column; gap: 0; margin-top: 32px; position: relative; }
.steps::before { content: ''; position: absolute; inset-inline-start: 21px; top: 22px; bottom: 22px; width: 2px; background: var(--gray-200); }
.step { display: flex; gap: 22px; align-items: flex-start; padding: 16px 0; position: relative; }
.step-num { flex-shrink: 0; width: 44px; height: 44px; background: var(--white); border: 2px solid var(--accent); color: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; font-family: var(--font-num); z-index: 1; }
.step h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--gray-900); }
.step p { font-size: 14px; color: var(--gray-500); line-height: 1.95; margin: 0; }

/* STATS */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; }
.stat { text-align: center; padding: 36px 24px; border-inline-end: 1px solid var(--gray-200); position: relative; }
.stat:last-child { border-inline-end: none; }
.stat::before { content: ''; position: absolute; top: 0; inset-inline-start: 0; width: 100%; height: 3px; background: var(--accent); transform: scaleX(0); transition: transform .3s; }
.stat:hover::before { transform: scaleX(1); }
.stat-num { font-size: 42px; font-weight: 700; color: var(--primary); line-height: 1.1; margin-bottom: 8px; font-family: var(--font-num); direction: ltr; }
.stat-num .accent { color: var(--accent); }
.stat-lbl { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.stat-sub { display: block; font-size: 11px; color: var(--gray-400); margin-top: 8px; letter-spacing: 0.5px; font-family: var(--font-num); direction: ltr; }

/* SPEC TABLE */
.spec-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; }
.spec-table th { background: var(--primary); color: var(--white); padding: 14px 18px; font-size: 13px; font-weight: 600; text-align: right; }
.spec-table td { padding: 12px 18px; font-size: 13.5px; color: var(--gray-800); border-bottom: 1px solid var(--gray-200); text-align: right; line-height: 1.85; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--gray-50); }
.spec-table thead th:not(:first-child) { text-align: center; }
.spec-table tbody td:not(:first-child) { font-family: var(--font-num); direction: ltr; text-align: center; }

/* STANDARDS GRID */
.std-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.std-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 22px 18px; transition: all .25s; }
.std-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }
.std-badge { display: inline-block; font-family: var(--font-num); font-size: 11px; font-weight: 700; color: var(--white); background: var(--primary); padding: 5px 11px; border-radius: 3px; margin-bottom: 14px; direction: ltr; letter-spacing: 0.5px; }
.std-card h4 { font-size: 14.5px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; line-height: 1.55; }
.std-card p { font-size: 12.5px; color: var(--gray-500); line-height: 1.85; }

/* MATERIAL TILES */
.material-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.material-tile { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 24px 20px; text-align: center; transition: all .2s; }
.material-tile:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); }
.material-tile-num { font-family: var(--font-num); font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.material-tile-name { font-size: 14px; color: var(--gray-900); font-weight: 600; margin-bottom: 6px; }
.material-tile-desc { font-size: 12px; color: var(--gray-500); line-height: 1.7; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 920px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; transition: border-color .2s; }
.faq-item[open] { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-item summary { cursor: pointer; padding: 20px 24px; font-size: 15px; font-weight: 600; color: var(--gray-900); list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 22px; color: var(--accent); transition: transform .2s; flex-shrink: 0; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-content { padding: 0 24px 22px; }
.faq-content p { font-size: 14px; color: var(--gray-500); line-height: 2; margin-bottom: 10px; }
.faq-content p:last-child { margin-bottom: 0; }

/* FORM */
.form-wrap { background: var(--white); border: 1px solid var(--gray-200); padding: 36px; border-radius: var(--radius-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--gray-900); }
.form-field input, .form-field select, .form-field textarea { font-family: var(--font); font-size: 14px; padding: 11px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius); background: var(--white); color: var(--gray-900); text-align: right; transition: all .15s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.form-field textarea { resize: vertical; min-height: 110px; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary-3) 0%, var(--primary) 100%); padding: 80px 0; color: var(--white); text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 48px 48px; }
.cta > .container { position: relative; z-index: 2; }
.cta .eyebrow { justify-content: center; color: #67E8F9; }
.cta .eyebrow::before { background: #67E8F9; }
.cta h2 { font-size: clamp(24px, 3vw, 36px); color: var(--white); margin-bottom: 14px; line-height: 1.45; }
.cta p { font-size: 15.5px; color: #B6CCDE; max-width: 680px; margin: 0 auto 32px; line-height: 2; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.cta-meta { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; font-size: 13px; color: #94C5DE; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.06); }
.cta-meta-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cta-meta-item a, .cta-meta-item span { color: var(--white); font-weight: 500; }
.cta-meta-item a:hover { color: #67E8F9; }
.cta-meta-item .lbl { color: #67E8F9; font-weight: 600; font-size: 11px; letter-spacing: 1px; font-family: var(--font-num); }

/* PRODUCT PAGE */
.product-hero { background: var(--gray-50); border-bottom: 1px solid var(--gray-200); padding: 64px 0; }
.product-hero-inner { max-width: var(--container); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.product-hero h1 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 18px; line-height: 1.4; }
.product-hero p { font-size: 15.5px; line-height: 2; margin-bottom: 28px; max-width: 600px; }
.product-hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.product-hero-badges span { font-family: var(--font-num); font-size: 11.5px; font-weight: 500; padding: 5px 12px; background: var(--white); border: 1px solid var(--gray-200); color: var(--gray-700); border-radius: 20px; direction: ltr; }
.product-media img { width: 100%; height: 280px; object-fit: cover; border-radius: var(--radius-md); border: 1px solid var(--gray-200); margin-bottom: 18px; }
.product-rfq-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 24px; }
.product-rfq-card h3 { font-size: 15px; color: var(--accent); margin-bottom: 14px; }
.product-rfq-card ul { list-style: none; padding: 0; }
.product-rfq-card ul li { position: relative; padding-inline-start: 22px; font-size: 13.5px; color: var(--gray-700); line-height: 2.1; }
.product-rfq-card ul li::before { content: ''; position: absolute; inset-inline-start: 0; top: 14px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.datasheet-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.datasheet-btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; background: var(--white); border: 1px solid var(--gray-300); color: var(--gray-700); font-size: 12.5px; font-weight: 500; border-radius: var(--radius); transition: all .15s; }
.datasheet-btn:hover { border-color: var(--accent); color: var(--accent); }
.pt-wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: start; margin-top: 16px; }
.pt-chart { background: var(--white); padding: 28px; border: 1px solid var(--gray-200); border-radius: var(--radius-md); }
.pt-chart svg { width: 100%; height: auto; direction: ltr; }
.pt-notes { background: var(--white); padding: 26px; border: 1px solid var(--gray-200); border-radius: var(--radius-md); }
.pt-notes h4 { font-size: 15px; color: var(--accent); margin-bottom: 14px; }
.pt-notes ul { list-style: none; padding: 0; }
.pt-notes ul li { position: relative; padding-inline-start: 20px; font-size: 13.5px; color: var(--gray-700); line-height: 2.1; }
.pt-notes ul li::before { content: ''; position: absolute; inset-inline-start: 0; top: 13px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.pt-notes ul li strong { color: var(--primary); font-weight: 700; }
.variant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.variant { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; display: grid; grid-template-columns: 200px 1fr; transition: all .25s; }
.variant:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.variant-img { background: var(--gray-100); height: 100%; min-height: 180px; }
.variant-img img { width: 100%; height: 100%; object-fit: cover; }
.variant-body { padding: 22px; }
.variant-body h3 { font-size: 17px; margin-bottom: 10px; }
.variant-body p { font-size: 13.5px; color: var(--gray-500); line-height: 1.95; margin-bottom: 14px; }
.variant-body a { font-size: 13px; font-weight: 600; color: var(--accent); }
.split-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.tech-depth { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 36px; }
.tech-depth h3 { font-size: 20px; color: var(--gray-900); margin-bottom: 12px; }
.tech-depth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 28px; }
.tech-depth-col h4 { font-size: 14px; color: var(--accent); margin-bottom: 16px; }
.tech-depth-list { display: flex; flex-direction: column; gap: 12px; }
.tech-depth-item { padding: 14px 16px; background: var(--gray-50); border-inline-start: 3px solid var(--accent); border-radius: var(--radius); }
.tech-depth-item strong { display: block; font-size: 14px; color: var(--gray-900); margin-bottom: 4px; }
.tech-depth-item span { font-size: 13px; color: var(--gray-500); line-height: 1.85; }

/* FOOTER */
.footer { background: var(--primary-3); color: #94C5DE; padding: 72px 0 24px; border-top: 4px solid var(--accent); }
.footer-grid { max-width: var(--container); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-mark { width: 42px; height: 42px; background: var(--accent); color: var(--white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; border-radius: var(--radius); font-family: var(--font-num); }
.footer-name { font-size: 16px; font-weight: 700; color: var(--white); }
.footer-name-en { font-size: 11px; color: var(--steel-light); margin-top: 2px; font-family: var(--font-num); }
.footer-desc { font-size: 13.5px; line-height: 2; color: #7FA5C5; margin-bottom: 22px; }
.footer-contact { font-size: 13px; line-height: 2.1; color: #94C5DE; }
.footer-contact-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.footer-contact a { color: #94C5DE; transition: color .15s; }
.footer-contact a:hover { color: var(--white); }
.footer-col h4 { font-size: 12px; font-weight: 600; color: var(--white); margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13.5px; color: #7FA5C5; transition: color .15s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { max-width: var(--container); margin: 0 auto; padding: 24px 32px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12px; color: #5C7E9A; border-top: 1px solid rgba(255,255,255,.05); }
.footer-stds { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-stds span { font-family: var(--font-num); direction: ltr; font-size: 11.5px; }

/* EMPTY */
.empty-page { padding: 120px 0; text-align: center; }
.empty-page-num { font-size: 84px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 12px; font-family: var(--font-num); }
.empty-page-icon { width: 88px; height: 88px; background: var(--accent-light); color: var(--accent); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 44px; margin-bottom: 22px; }
.empty-page h1 { max-width: 720px; margin: 0 auto 18px; }
.empty-page p { max-width: 580px; margin: 0 auto 32px; font-size: 15.5px; line-height: 2; }
.empty-page .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-grid, .std-grid, .material-grid { grid-template-columns: 1fr 1fr; }
  .variant-grid { grid-template-columns: 1fr; }
  .product-hero-inner, .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .pt-wrap, .split-grid, .tech-depth-grid, .grid-asym { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .industries-strip-inner { grid-template-columns: repeat(4, 1fr); }
  .section-header-split { grid-template-columns: 1fr; gap: 20px; }
  .section-header-split .side-meta { text-align: right; direction: rtl; font-family: var(--font); }
}
@media (max-width: 768px) {
  .container, .hero-inner, .footer-grid, .product-hero-inner, .industries-strip-inner, .footer-bottom, .nav-inner, .topbar-inner { padding-left: 20px !important; padding-right: 20px !important; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 64px; }
  .topbar { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-inline-end: none; border-bottom: 1px solid var(--gray-200); }
  .stat:nth-child(2) { border-inline-end: 1px solid var(--gray-200); }
  .stat:last-child { border-bottom: none; }
  .std-grid, .material-grid { grid-template-columns: 1fr; }
  .variant { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner { justify-content: space-between; }
  .logo-tag { display: none; }
  .industries-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .form-wrap, .tech-depth, .feature-panel, .dark-panel { padding: 24px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-inline-end: none !important; }
  .logo-name { font-size: 13px; }
}

/* ═══════ ENTERPRISE COMPONENTS (v5 refinement) ═══════ */

/* Certifications strip (logos style) */
.cert-strip {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: 28px 0;
}
.cert-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.cert-strip-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gray-500);
  font-family: var(--font-num);
  padding-inline-end: 24px;
  border-inline-end: 1px solid var(--gray-200);
}
.cert-strip-items {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  align-items: center;
}
.cert-strip-item {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-700);
  letter-spacing: 0.5px;
  position: relative;
  padding-inline-start: 22px;
  transition: color .2s;
}
.cert-strip-item::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  width: 16px;
  height: 16px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-strip-item:hover { color: var(--primary); }

/* QC / Quality Control showcase */
.qc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: stretch;
}
.qc-feature {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.qc-feature::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-end: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  pointer-events: none;
  opacity: .5;
}
.qc-feature:hover { border-color: var(--gray-300); box-shadow: var(--shadow-md); }
.qc-feature-icon {
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  z-index: 1;
}
.qc-feature-icon svg { width: 28px; height: 28px; }
.qc-feature h3 { font-size: 20px; line-height: 1.4; }
.qc-feature p { font-size: 14px; line-height: 2; color: var(--gray-600); }
.qc-feature-list {
  list-style: none;
  padding: 0;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.qc-feature-list li {
  font-size: 13px;
  color: var(--gray-700);
  padding-inline-start: 24px;
  position: relative;
  line-height: 1.85;
}
.qc-feature-list li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.qc-feature-list li strong { color: var(--gray-900); font-weight: 600; font-family: var(--font-num); letter-spacing: 0.2px; }

/* Trust bar (hero bottom) */
.trust-bar {
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 22px 0;
}
.trust-bar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust-bar-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-bar-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  max-width: 38px;
  max-height: 38px;
  background: rgba(14,124,159,.15);
  border: 1px solid rgba(103,232,249,.2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #67E8F9;
  overflow: hidden;
}
.trust-bar-icon svg {
  width: 20px !important;
  height: 20px !important;
  max-width: 20px;
  max-height: 20px;
  flex-shrink: 0;
}
.trust-bar-text { line-height: 1.3; }
.trust-bar-text strong {
  display: block;
  font-size: 13px;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 2px;
}
.trust-bar-text span {
  font-size: 11.5px;
  color: #94C5DE;
  letter-spacing: 0.2px;
}

/* Feature row (icon + text horizontal) */
.feature-row {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all .25s;
}
.feature-row:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.feature-row-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-light), #BAE6FD);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.feature-row-icon svg { width: 22px; height: 22px; }
.feature-row-text h4 { font-size: 15px; margin-bottom: 4px; line-height: 1.4; }
.feature-row-text p { font-size: 13px; color: var(--gray-500); line-height: 1.8; margin: 0; }

/* Solution showcase tile */
.solution-tile {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .3s cubic-bezier(.4,0,.2,1);
}
.solution-tile:hover {
  border-color: var(--gray-300);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px -8px rgba(15,23,42,.12);
}
.solution-tile-header {
  padding: 24px;
  background: linear-gradient(135deg, var(--primary-3), var(--primary));
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.solution-tile-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 20%, rgba(14,124,159,.3), transparent 60%);
}
.solution-tile-header > * { position: relative; z-index: 1; }
.solution-tile-num {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  color: #67E8F9;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.solution-tile-header h3 { color: var(--white); font-size: 19px; line-height: 1.4; }
.solution-tile-body { padding: 24px; flex: 1; }
.solution-tile-body p { font-size: 13.5px; line-height: 2; color: var(--gray-600); }
.solution-tile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--gray-200);
}
.solution-tile-tags span {
  font-family: var(--font-num);
  font-size: 10.5px;
  color: var(--gray-600);
  padding: 3px 8px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 3px;
  font-weight: 500;
}

/* Refined hero h1 spacing */
.hero h1 .accent {
  background: linear-gradient(135deg, #67E8F9 0%, #BAE6FD 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Refined section-head */
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.01em;
}

/* Heading consistency */
h1, h2 { letter-spacing: -0.01em; }

/* Subtle section divider */
.section-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 280px;
  margin: 0 auto 36px;
}
.section-divider::before, .section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}
.section-divider-mark {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Mobile dropdown styling */
@media (max-width: 1024px) {
  .qc-grid { grid-template-columns: 1fr; gap: 24px; }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 768px) {
  .trust-bar-inner { grid-template-columns: 1fr; gap: 16px; }
  .nav-dropdown:hover .nav-dropdown-menu { display: none; }
  .cert-strip-inner { justify-content: center; }
  .cert-strip-label { border-inline-end: none; padding-inline-end: 0; }
  .cert-strip-items { gap: 22px; justify-content: center; }
}

/* ═══════ INDUSTRIAL UPGRADE (v6) ═══════ */

/* Datasheet Center */
.datasheet-center {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.datasheet-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.datasheet-card:hover {
  border-color: var(--steel-blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -4px rgba(15,23,42,.10);
}
.datasheet-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.datasheet-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-blue);
}
.datasheet-icon svg {
  width: 22px !important;
  height: 22px !important;
}
.datasheet-rev {
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 3px 8px;
  background: var(--gray-50);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.datasheet-card h4 {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-main);
}
.datasheet-card p {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0;
  flex: 1;
}
.datasheet-meta {
  display: flex;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-soft);
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--text-muted);
  direction: ltr;
}
.datasheet-meta span { display: flex; align-items: center; gap: 4px; }
.datasheet-meta strong { color: var(--text-main); font-weight: 600; }
.datasheet-card .btn {
  margin-top: auto;
  justify-content: center;
  font-size: 12.5px;
  padding: 9px 16px;
}

/* Floating RFQ button */
.floating-rfq {
  position: fixed;
  bottom: 28px;
  inset-inline-end: 28px;
  z-index: 90;
  background: var(--steel-blue);
  color: var(--white);
  padding: 14px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 24px -4px rgba(14,95,136,.4), 0 4px 12px -2px rgba(15,23,42,.15);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
}
.floating-rfq:hover {
  background: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(14,95,136,.5), 0 4px 16px -2px rgba(15,23,42,.2);
}
.floating-rfq svg {
  width: 18px !important;
  height: 18px !important;
}
@media (max-width: 768px) {
  .floating-rfq {
    bottom: 20px;
    inset-inline-end: 20px;
    padding: 12px 18px;
    font-size: 13px;
  }
}

/* Material traceability section */
.traceability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}
.trace-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  transition: all .25s;
}
.trace-card::before {
  content: '';
  position: absolute;
  top: -1px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--steel-blue), var(--accent-2));
  border-radius: 0 0 3px 3px;
}
.trace-card:hover {
  border-color: var(--steel-blue);
  box-shadow: 0 8px 24px -4px rgba(15,23,42,.08);
  transform: translateY(-2px);
}
.trace-card-num {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--steel-blue);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}
.trace-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
  color: var(--text-main);
}
.trace-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.95;
  margin-bottom: 14px;
}
.trace-spec {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--steel-blue);
  padding: 4px 12px;
  background: var(--accent-light);
  border-radius: 12px;
  direction: ltr;
}

@media (max-width: 1024px) {
  .datasheet-center { grid-template-columns: 1fr 1fr; }
  .traceability-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .datasheet-center { grid-template-columns: 1fr; }
  .traceability-grid { grid-template-columns: 1fr; }
}

/* Force SVG sizing inside all icons (global safety) */
.industry-card-icon svg,
.qc-feature-icon svg,
.nav-dropdown-item-icon svg,
.feature-row-icon svg,
.footer-contact-row svg,
.trust-bar-icon svg {
  flex-shrink: 0;
  max-width: 100%;
  max-height: 100%;
}

/* Premium hover lift utility */
.hover-lift { transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s cubic-bezier(.4,0,.2,1); }
.hover-lift:hover { transform: translateY(-3px); box-shadow: 0 8px 24px -4px rgba(15,23,42,.10); }


/* SPM HERO BACKGROUND UPGRADE - 2026-05-21 */
.hero {
  background:
    linear-gradient(90deg, rgba(5,15,25,.94) 0%, rgba(5,15,25,.82) 42%, rgba(5,15,25,.48) 72%, rgba(5,15,25,.36) 100%),
    linear-gradient(180deg, rgba(4,13,22,.32) 0%, rgba(4,13,22,.84) 100%),
    url('../images/hero-bg.jpg') center center / cover no-repeat !important;
  min-height: 760px;
  display: flex;
  align-items: center;
}
.hero::before {
  background:
    radial-gradient(circle at 72% 22%, rgba(103,232,249,.16) 0%, transparent 34%),
    radial-gradient(circle at 16% 76%, rgba(14,124,159,.18) 0%, transparent 44%);
}
.hero-grid-bg { opacity: .34; mix-blend-mode: screen; }
.hero-inner { grid-template-columns: minmax(0, 720px); justify-content: start; }
.hero h1 { text-shadow: 0 18px 48px rgba(0,0,0,.58); }
.hero-lead { color: rgba(224,241,250,.88); }
.hero-meta-bar { background: rgba(6,24,38,.56); border-color: rgba(103,232,249,.18); box-shadow: 0 24px 70px rgba(0,0,0,.24); backdrop-filter: blur(10px); }
.hero .btn-accent { box-shadow: 0 18px 46px rgba(14,124,159,.36); }
.hero-badges span { background: rgba(6,24,38,.50); border-color: rgba(103,232,249,.20); color: rgba(224,241,250,.92); }
.hero-spec { display: none !important; }
@media (max-width: 768px) {
  .hero {
    min-height: 760px;
    padding: 76px 0 84px;
    background:
      linear-gradient(90deg, rgba(5,15,25,.96) 0%, rgba(5,15,25,.84) 58%, rgba(5,15,25,.50) 100%),
      linear-gradient(180deg, rgba(4,13,22,.30) 0%, rgba(4,13,22,.90) 100%),
      url('../images/hero-bg.jpg') center center / cover no-repeat !important;
  }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-meta-bar { gap: 12px; }
}

/* TGC RFQ-focused refinements */
.taxonomy-panel {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  align-items: center;
  margin: 28px 0 18px;
  padding: 26px 28px;
  background: linear-gradient(135deg, #0b2135, #123553);
  color: #d8e7f2;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.08);
}
.taxonomy-panel span { font-family: var(--font-num); font-size: 11px; font-weight: 700; color: #67e8f9; letter-spacing: 1.2px; }
.taxonomy-panel h3 { color: #fff; font-size: 22px; margin: 6px 0 8px; }
.taxonomy-panel p { color: #b6ccde; font-size: 14px; line-height: 2; margin: 0; }
.taxonomy-panel ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 0; margin: 0; }
.taxonomy-panel li { padding: 8px 10px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.08); border-radius: 4px; color: #edf7fb; font-family: var(--font-num); font-size: 12px; direction: ltr; text-align: left; }
.taxonomy-panel-process { background: linear-gradient(135deg, #16232d, #243848); }
.taxonomy-panel-industrial { background: linear-gradient(135deg, #101820, #2a3138); }
.product-family-grid { margin-bottom: 38px; }
.product-card { min-height: 100%; }
.product-card-body { min-height: 255px; }
.product-card-actions .btn, .product-card-actions span.btn { min-height: 40px; }
.product-card-title-link,
.product-card-title-link:visited {
  color: inherit;
  text-decoration: none;
}
.product-card-title-link:hover {
  color: #0e7c9f;
}
.product-card-img {
  cursor: pointer;
}
.tgc-product-card-media {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}
.form-hint { font-size: 12px; color: var(--gray-500); line-height: 1.8; }
.form-section-title { margin: 26px 0 14px; padding-top: 22px; border-top: 1px solid var(--gray-200); font-size: 16px; color: var(--primary); }
@media (max-width: 768px) {
  .taxonomy-panel { grid-template-columns: 1fr; padding: 22px; }
  .taxonomy-panel ul { grid-template-columns: 1fr; }
  .product-card-body { min-height: auto; }
}