/* ==========================================================================
   Hesteel Tangshan International Trading Co., Ltd.
   Design System — Industrial / State-Owned / Global Trade
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Hesteel Blue palette */
  --c-primary:        #003D7A;
  --c-primary-dark:   #002A56;
  --c-primary-light:  #1A5BA0;
  --c-primary-soft:   #E8F0F9;

  /* Industrial accent */
  --c-accent:         #C8102E;     /* steel red */
  --c-accent-dark:    #9B0C24;
  --c-gold:           #FFB81C;     /* safety yellow, used sparingly */

  /* Steel / neutrals */
  --c-steel-900:      #1A202C;
  --c-steel-800:      #2D3748;
  --c-steel-700:      #4A5568;
  --c-steel-500:      #718096;
  --c-steel-300:      #B8C2CC;
  --c-steel-200:      #CBD5E0;
  --c-steel-100:      #E2E8F0;
  --c-steel-50:       #F1F4F8;
  --c-bg:             #F7F8FA;
  --c-white:          #FFFFFF;
  --c-border:         #E2E8F0;

  /* Semantic */
  --c-text:           #1A202C;
  --c-text-muted:     #5A6770;
  --c-text-inverse:   #FFFFFF;

  /* Type */
  --ff-heading:       'Poppins', 'Helvetica Neue', Arial, sans-serif;
  --ff-body:          'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  /* Layout */
  --container:        1240px;
  --container-wide:   1400px;
  --radius:           4px;
  --radius-lg:        8px;
  --radius-pill:      999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow:     0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg:  0 12px 32px rgba(15, 23, 42, 0.10);
  --shadow-xl:  0 24px 60px rgba(15, 23, 42, 0.12);

  /* Motion */
  --ease:           cubic-bezier(.2, .7, .2, 1);
  --t-fast:         160ms;
  --t-base:         280ms;
  --t-slow:         500ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--c-accent); }
button { font: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--ff-heading); font-weight: 600; line-height: 1.25; margin: 0 0 var(--sp-4); color: var(--c-steel-900); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p  { margin: 0 0 var(--sp-4); }
ul { padding: 0; margin: 0; list-style: none; }

/* ---------- Layout primitives ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-5); }
.container-wide { max-width: var(--container-wide); }
.section { padding: var(--sp-9) 0; }
.section-sm { padding: var(--sp-7) 0; }
.bg-light { background: var(--c-bg); }
.bg-dark  { background: var(--c-primary-dark); color: var(--c-text-inverse); }
.bg-dark h1, .bg-dark h2, .bg-dark h3 { color: var(--c-text-inverse); }
.text-center { text-align: center; }

/* ---------- Eyebrow / Section title ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--ff-heading); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: var(--sp-3);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--c-accent); }
.section-title { margin-bottom: var(--sp-3); }
.section-lead { color: var(--c-text-muted); max-width: 720px; font-size: 1.05rem; }
.section-head { margin-bottom: var(--sp-7); }
.section-head .section-lead { margin: 0; }
.section-head.center { text-align: center; }
.section-head.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 12px 26px; font-family: var(--ff-heading); font-weight: 600;
  font-size: 0.95rem; line-height: 1; border-radius: var(--radius);
  border: 2px solid transparent; transition: all var(--t-base) var(--ease);
  letter-spacing: 0.01em; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: var(--c-text-inverse); border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent  { background: var(--c-accent);  color: var(--c-text-inverse); border-color: var(--c-accent); }
.btn-accent:hover { background: var(--c-accent-dark); border-color: var(--c-accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-ghost-light:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-arrow svg { transition: transform var(--t-fast) var(--ease); }
.btn-arrow:hover svg { transform: translateX(4px); }

/* ---------- Top Bar ---------- */
.topbar {
  background: var(--c-primary-dark); color: rgba(255,255,255,0.85);
  font-size: 0.83rem; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.topbar-info { display: flex; gap: var(--sp-5); flex-wrap: wrap; }
.topbar-info span { display: inline-flex; align-items: center; gap: 6px; }
.topbar-info svg { width: 14px; height: 14px; opacity: 0.85; }
.topbar-actions { display: flex; align-items: center; gap: var(--sp-4); }
.lang-switch { display: inline-flex; align-items: center; gap: 4px; }
.lang-switch a { color: rgba(255,255,255,0.7); padding: 2px 6px; border-radius: 3px; }
.lang-switch a.active, .lang-switch a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.topbar-socials { display: inline-flex; gap: 6px; }
.topbar-socials a { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); }
.topbar-socials a:hover { background: var(--c-accent); color: #fff; }
.topbar-socials svg { width: 12px; height: 12px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 1px 0 rgba(15,23,42,0.02);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); height: 84px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--c-steel-900); }
.brand:hover { color: var(--c-primary); }
.brand-logo {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 4px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  display: grid; place-items: center; color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand-logo svg { width: 28px; height: 28px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--ff-heading); font-weight: 700; font-size: 1.05rem; color: var(--c-steel-900); letter-spacing: 0.01em; }
.brand-sub  { font-size: 0.72rem; color: var(--c-text-muted); letter-spacing: 0.08em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: var(--sp-5); }
.main-nav a {
  position: relative; padding: 10px 4px; font-family: var(--ff-heading);
  font-weight: 500; font-size: 0.96rem; color: var(--c-steel-800);
  display: inline-flex; align-items: center; gap: 4px;
}
.main-nav a:hover, .main-nav a.active { color: var(--c-primary); }
.main-nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px;
  background: var(--c-accent); border-radius: 2px;
}
.main-nav .has-sub > a::after {
  content: ""; display: inline-block; margin-left: 4px; width: 8px; height: 8px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
}
.nav-cta { display: flex; align-items: center; gap: var(--sp-3); }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 4px; border: 1px solid var(--c-border); align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; display: block; width: 22px; height: 2px; background: var(--c-steel-800); position: relative; transition: transform var(--t-fast) var(--ease); }
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after  { position: absolute; top: 7px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden; min-height: 640px;
  display: flex; align-items: center; padding: var(--sp-9) 0;
  background:
    linear-gradient(120deg, rgba(0,42,86,0.92) 0%, rgba(0,61,122,0.78) 55%, rgba(0,61,122,0.55) 100%),
    url('https://images.unsplash.com/photo-1565939530908-0d6d8b89c8d8?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero::after {
  /* industrial steel texture overlay */
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(0deg,  rgba(255,255,255,0.03) 0 1px, transparent 1px 60px);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--sp-7); align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--sp-5);
  backdrop-filter: blur(4px);
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-gold); box-shadow: 0 0 0 4px rgba(255,184,28,0.25); }
.hero h1 { color: #fff; margin-bottom: var(--sp-5); font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.hero h1 .accent { color: var(--c-gold); }
.hero p.lead { font-size: 1.15rem; max-width: 580px; color: rgba(255,255,255,0.9); margin-bottom: var(--sp-6); }
.hero-cta { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.hero-meta { display: flex; gap: var(--sp-6); margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid rgba(255,255,255,0.18); }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta b { font-family: var(--ff-heading); font-size: 1.6rem; color: var(--c-gold); font-weight: 700; line-height: 1.1; }
.hero-meta span { font-size: 0.82rem; color: rgba(255,255,255,0.75); text-transform: uppercase; letter-spacing: 0.08em; }

.hero-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px); border-radius: var(--radius-lg);
  padding: var(--sp-6); box-shadow: var(--shadow-xl);
}
.hero-card h4 { color: #fff; font-size: 1.05rem; margin-bottom: var(--sp-3); display: flex; align-items: center; gap: 8px; }
.hero-card h4::before { content: ""; width: 6px; height: 22px; background: var(--c-accent); border-radius: 3px; }
.hero-card ul li {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.92); font-size: 0.95rem;
}
.hero-card ul li:last-child { border-bottom: none; }
.hero-card ul li svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--c-gold); margin-top: 3px; }

/* ---------- Marquee / trusted-by ---------- */
.trust {
  background: var(--c-bg); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border);
  padding: var(--sp-5) 0;
}
.trust-row { display: flex; align-items: center; gap: var(--sp-7); flex-wrap: wrap; }
.trust-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--c-text-muted); white-space: nowrap; }
.trust-logos { display: flex; align-items: center; gap: var(--sp-7); flex-wrap: wrap; flex: 1; }
.trust-logos span { font-family: var(--ff-heading); font-weight: 700; color: var(--c-steel-500); letter-spacing: 0.05em; opacity: 0.85; font-size: 0.95rem; }

/* ---------- Stats bar ---------- */
.stats { background: var(--c-primary); color: #fff; padding: var(--sp-6) 0; position: relative; }
.stats::before, .stats::after { content: ""; position: absolute; top: 0; bottom: 0; width: 80px; background: linear-gradient(90deg, var(--c-primary-dark), transparent); }
.stats::before { left: 0; }
.stats::after  { right: 0; transform: scaleX(-1); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); position: relative; z-index: 1; }
.stat { text-align: center; padding: var(--sp-3); border-right: 1px solid rgba(255,255,255,0.15); }
.stat:last-child { border-right: none; }
.stat-num { font-family: var(--ff-heading); font-size: 2.4rem; font-weight: 700; line-height: 1; color: #fff; margin-bottom: 4px; }
.stat-num small { font-size: 1.1rem; font-weight: 600; color: var(--c-gold); margin-left: 2px; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.85); letter-spacing: 0.06em; }

/* ---------- Cards / grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.grid-2-1 { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--sp-7); align-items: center; }

/* About / Text + image */
.about-text p { color: var(--c-text-muted); font-size: 1.02rem; margin-bottom: var(--sp-4); }
.about-list { margin: var(--sp-5) 0; }
.about-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--c-border); color: var(--c-steel-800); }
.about-list li svg { width: 20px; height: 20px; color: var(--c-primary); flex-shrink: 0; margin-top: 3px; }
.about-list li b { color: var(--c-steel-900); margin-right: 4px; }
.about-image {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4 / 3; box-shadow: var(--shadow-lg);
  background:
    linear-gradient(120deg, rgba(0,42,86,0.35), rgba(0,61,122,0.55)),
    url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1200&q=80') center/cover;
}
.about-image::after {
  content: ""; position: absolute; left: 24px; bottom: 24px; right: 24px;
  padding: var(--sp-4) var(--sp-5);
  background: rgba(255,255,255,0.95); border-left: 4px solid var(--c-accent);
  border-radius: 4px; font-family: var(--ff-heading); font-size: 0.95rem; color: var(--c-steel-800);
  box-shadow: var(--shadow);
}
.about-image::after { content: "ISO 9001 / ISO 14001 / ISO 45001 Certified Mill Network"; font-weight: 600; }

/* Service card */
.svc-card {
  background: #fff; padding: var(--sp-6); border-radius: var(--radius-lg);
  border: 1px solid var(--c-border); transition: all var(--t-base) var(--ease);
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--c-primary); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--c-primary-soft); color: var(--c-primary);
  display: grid; place-items: center; margin-bottom: var(--sp-4);
  transition: all var(--t-base) var(--ease);
}
.svc-card:hover .svc-icon { background: var(--c-primary); color: #fff; }
.svc-icon svg { width: 28px; height: 28px; }
.svc-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.svc-card p { color: var(--c-text-muted); font-size: 0.95rem; margin: 0; }
.svc-link { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--sp-4); color: var(--c-primary); font-weight: 600; font-size: 0.9rem; }
.svc-link::after { content: "→"; transition: transform var(--t-fast) var(--ease); }
.svc-card:hover .svc-link::after { transform: translateX(4px); }

/* Product card */
.prod-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all var(--t-base) var(--ease);
  display: flex; flex-direction: column;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.prod-thumb {
  aspect-ratio: 16 / 10; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #2A3441 0%, #4A5568 100%);
  display: grid; place-items: center; color: rgba(255,255,255,0.85);
}
.prod-thumb svg { width: 72px; height: 72px; opacity: 0.85; transition: transform var(--t-slow) var(--ease); }
.prod-card:hover .prod-thumb svg { transform: scale(1.08); }
.prod-tag { position: absolute; top: 12px; left: 12px; padding: 4px 10px; background: var(--c-accent); color: #fff; font-size: 0.72rem; font-weight: 600; border-radius: 3px; letter-spacing: 0.05em; text-transform: uppercase; }
.prod-body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; }
.prod-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
.prod-meta { color: var(--c-text-muted); font-size: 0.88rem; margin-bottom: var(--sp-3); }
.prod-specs { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 var(--sp-3); }
.prod-specs span { font-size: 0.74rem; padding: 3px 9px; background: var(--c-steel-50); color: var(--c-steel-700); border-radius: var(--radius-pill); }
.prod-cta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding-top: var(--sp-3); border-top: 1px solid var(--c-border); }
.prod-cta a { font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 4px; }
.prod-cta a::after { content: "→"; transition: transform var(--t-fast) var(--ease); }
.prod-cta a:hover::after { transform: translateX(3px); }

/* Strategy / pillar */
.pillar {
  background: #fff; border-radius: var(--radius-lg); padding: var(--sp-6);
  border: 1px solid var(--c-border); position: relative; overflow: hidden;
}
.pillar::before {
  content: ""; position: absolute; right: -40px; top: -40px; width: 160px; height: 160px;
  background: radial-gradient(circle, var(--c-primary-soft) 0%, transparent 70%);
}
.pillar-num {
  font-family: var(--ff-heading); font-size: 3rem; font-weight: 800; line-height: 1;
  color: var(--c-primary); opacity: 0.18; position: absolute; top: var(--sp-4); right: var(--sp-5);
}
.pillar h3 { font-size: 1.15rem; margin: 8px 0 10px; position: relative; }
.pillar p { color: var(--c-text-muted); margin: 0; font-size: 0.95rem; position: relative; }
.pillar-icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--c-primary);
  color: #fff; display: grid; place-items: center; margin-bottom: var(--sp-3); position: relative;
}
.pillar-icon svg { width: 22px; height: 22px; }

/* Feature list (Why choose us) */
.feat-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); }
.feat {
  display: flex; gap: var(--sp-4); padding: var(--sp-4); border-radius: var(--radius);
  transition: background var(--t-fast) var(--ease);
}
.feat:hover { background: var(--c-primary-soft); }
.feat-icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 10px;
  background: var(--c-primary-soft); color: var(--c-primary);
  display: grid; place-items: center;
}
.feat-icon svg { width: 24px; height: 24px; }
.feat h4 { font-size: 1.05rem; margin: 4px 0 6px; }
.feat p { color: var(--c-text-muted); font-size: 0.92rem; margin: 0; }

/* News card */
.news-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all var(--t-base) var(--ease); display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.news-thumb { aspect-ratio: 16 / 9; position: relative; overflow: hidden; background: var(--c-steel-100); }
.news-thumb svg { width: 100%; height: 100%; }
.news-body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: var(--sp-3); font-size: 0.8rem; color: var(--c-text-muted); margin-bottom: 10px; }
.news-meta .tag { padding: 2px 10px; background: var(--c-primary-soft); color: var(--c-primary); border-radius: var(--radius-pill); font-weight: 600; }
.news-card h3 { font-size: 1.1rem; margin: 4px 0 10px; line-height: 1.4; }
.news-card p { color: var(--c-text-muted); font-size: 0.92rem; margin: 0 0 var(--sp-3); flex: 1; }
.news-card a.read-more { font-size: 0.9rem; font-weight: 600; color: var(--c-primary); display: inline-flex; align-items: center; gap: 4px; }
.news-card a.read-more::after { content: "→"; transition: transform var(--t-fast) var(--ease); }
.news-card:hover a.read-more::after { transform: translateX(3px); }

/* Global network */
.regions { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-3); }
.region {
  position: relative; padding: var(--sp-5); border-radius: var(--radius);
  color: #fff; overflow: hidden; min-height: 140px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform var(--t-base) var(--ease);
}
.region:hover { transform: translateY(-3px); }
.region::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7) 100%); }
.region > * { position: relative; z-index: 1; }
.region h4 { color: #fff; margin: 0 0 4px; font-size: 1.1rem; }
.region span { font-size: 0.85rem; opacity: 0.9; }
.region.apac   { background: linear-gradient(135deg, #1A5BA0, #003D7A); }
.region.mea    { background: linear-gradient(135deg, #8B5A2B, #5C3A1A); }
.region.eu     { background: linear-gradient(135deg, #2D3748, #4A5568); }
.region.americas { background: linear-gradient(135deg, #C8102E, #8B0C20); }
.region.africa { background: linear-gradient(135deg, #FFB81C, #C8890E); color: var(--c-steel-900); }
.region.africa h4 { color: var(--c-steel-900); }
.region.africa span { color: rgba(0,0,0,0.7); }

/* CTA banner */
.cta-banner {
  background:
    linear-gradient(120deg, var(--c-primary-dark) 0%, var(--c-primary) 100%);
  color: #fff; padding: var(--sp-8) 0; position: relative; overflow: hidden;
}
.cta-banner::before, .cta-banner::after {
  content: ""; position: absolute; border-radius: 50%; border: 80px solid rgba(255,255,255,0.05);
}
.cta-banner::before { right: -120px; top: -120px; width: 320px; height: 320px; }
.cta-banner::after  { left: 30%; bottom: -200px; width: 400px; height: 400px; }
.cta-row { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap; position: relative; z-index: 1; }
.cta-row h2 { color: #fff; margin: 0 0 8px; }
.cta-row p  { margin: 0; color: rgba(255,255,255,0.85); }
.cta-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: var(--sp-7); }
.contact-info { display: flex; flex-direction: column; gap: var(--sp-4); }
.contact-card { display: flex; gap: var(--sp-4); padding: var(--sp-4); background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); transition: all var(--t-fast) var(--ease); }
.contact-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow-sm); }
.contact-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 10px; background: var(--c-primary-soft); color: var(--c-primary); display: grid; place-items: center; }
.contact-icon svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-text-muted); margin: 0 0 4px; font-weight: 600; }
.contact-card p, .contact-card a { color: var(--c-steel-900); font-size: 0.98rem; margin: 0; line-height: 1.5; font-weight: 500; }
.contact-card a:hover { color: var(--c-primary); }

.form-card { background: #fff; padding: var(--sp-6); border-radius: var(--radius-lg); border: 1px solid var(--c-border); box-shadow: var(--shadow); }
.form-card h3 { margin-bottom: 8px; }
.form-card .lead { color: var(--c-text-muted); margin-bottom: var(--sp-5); font-size: 0.95rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--c-steel-800); }
.form-group label .req { color: var(--c-accent); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; font: inherit; font-size: 0.95rem;
  border: 1px solid var(--c-border); border-radius: var(--radius);
  background: var(--c-white); color: var(--c-text); transition: border-color var(--t-fast) var(--ease);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; margin-top: var(--sp-4); }
.form-footer small { color: var(--c-text-muted); font-size: 0.82rem; }

/* ---------- Page header (sub pages) ---------- */
.page-header {
  background:
    linear-gradient(120deg, rgba(0,42,86,0.92), rgba(0,61,122,0.7)),
    url('https://images.unsplash.com/photo-1473445730015-841f29a9490b?auto=format&fit=crop&w=1920&q=80') center/cover;
  color: #fff; padding: var(--sp-9) 0 var(--sp-7);
  position: relative;
}
.page-header::after {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 60px);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; margin-bottom: var(--sp-3); }
.page-header p  { color: rgba(255,255,255,0.85); max-width: 720px; font-size: 1.05rem; }
.breadcrumb { display: flex; gap: 8px; align-items: center; color: rgba(255,255,255,0.85); font-size: 0.88rem; margin-bottom: var(--sp-4); }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--c-gold); }
.breadcrumb .sep { opacity: 0.5; }

/* ---------- Footer ---------- */
.site-footer { background: #0A1A2F; color: rgba(255,255,255,0.75); padding: var(--sp-8) 0 0; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: var(--sp-6); }
.site-footer h5 { color: #fff; font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--sp-4); position: relative; padding-bottom: 10px; }
.site-footer h5::after { content: ""; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--c-accent); }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: color var(--t-fast) var(--ease); }
.site-footer ul li a:hover { color: var(--c-gold); }
.footer-brand { color: rgba(255,255,255,0.65); margin: var(--sp-4) 0; line-height: 1.6; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand .brand-name { color: #fff; }
.footer-brand .brand .brand-sub { color: rgba(255,255,255,0.6); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact div { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; color: var(--c-gold); flex-shrink: 0; margin-top: 4px; }
.footer-contact a { color: rgba(255,255,255,0.8); }
.footer-socials { display: flex; gap: 8px; margin-top: var(--sp-4); }
.footer-socials a { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,0.08); color: #fff; transition: all var(--t-fast) var(--ease); }
.footer-socials a:hover { background: var(--c-accent); transform: translateY(-2px); }
.footer-socials svg { width: 16px; height: 16px; }
.newsletter input {
  width: 100%; padding: 11px 14px; background: rgba(255,255,255,0.06); color: #fff;
  border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius);
  font: inherit; font-size: 0.92rem;
}
.newsletter input::placeholder { color: rgba(255,255,255,0.45); }
.newsletter input:focus { outline: none; border-color: var(--c-gold); }
.newsletter button { margin-top: 10px; width: 100%; }
.footer-bottom {
  margin-top: var(--sp-7); padding: var(--sp-4) 0; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4); flex-wrap: wrap;
  font-size: 0.84rem; color: rgba(255,255,255,0.55);
}
.footer-bottom a { color: rgba(255,255,255,0.7); margin-left: 16px; }
.footer-bottom a:hover { color: var(--c-gold); }

/* ---------- Floating side panel (live chat / quote) ---------- */
.float-panel { position: fixed; right: 16px; bottom: 24px; z-index: 40; display: flex; flex-direction: column; gap: 8px; }
.float-btn { width: 52px; height: 52px; border-radius: 50%; background: var(--c-primary); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-lg); transition: all var(--t-fast) var(--ease); }
.float-btn:hover { background: var(--c-accent); transform: translateY(-2px) scale(1.05); }
.float-btn svg { width: 22px; height: 22px; }

/* ---------- Back to top ---------- */
.back-top { position: fixed; right: 16px; bottom: 90px; width: 44px; height: 44px; border-radius: 50%; background: var(--c-white); color: var(--c-primary); display: grid; place-items: center; border: 1px solid var(--c-border); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: all var(--t-base) var(--ease); z-index: 39; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--c-primary); color: #fff; }
.back-top svg { width: 18px; height: 18px; }

/* ---------- Sub page utilities ---------- */
.sidebar-grid { display: grid; grid-template-columns: 1fr 3fr; gap: var(--sp-7); }
.side-nav { position: sticky; top: 110px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: var(--sp-4); align-self: start; }
.side-nav h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-text-muted); margin: 0 0 10px; padding: 0 6px; }
.side-nav a { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; border-radius: var(--radius); color: var(--c-steel-800); font-weight: 500; font-size: 0.95rem; transition: all var(--t-fast) var(--ease); }
.side-nav a:hover, .side-nav a.active { background: var(--c-primary-soft); color: var(--c-primary); }
.side-nav a::after { content: "›"; opacity: 0.4; }
.side-nav a.active { font-weight: 600; }
.side-cta { margin-top: var(--sp-4); padding: var(--sp-5); border-radius: var(--radius); background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%); color: #fff; }
.side-cta h5 { color: #fff; margin: 0 0 8px; font-size: 1rem; }
.side-cta p { color: rgba(255,255,255,0.85); font-size: 0.86rem; margin: 0 0 var(--sp-3); }

/* ---------- Specs table ---------- */
.specs-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.specs-table th, .specs-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--c-border); font-size: 0.92rem; }
.specs-table th { background: var(--c-bg); font-weight: 600; color: var(--c-steel-800); width: 30%; }
.specs-table tr:last-child td, .specs-table tr:last-child th { border-bottom: none; }
.specs-table tr:hover td { background: var(--c-primary-soft); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--c-border); margin-bottom: var(--sp-5); flex-wrap: wrap; }
.tab { padding: 10px 18px; font-family: var(--ff-heading); font-weight: 500; color: var(--c-text-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all var(--t-fast) var(--ease); }
.tab:hover { color: var(--c-primary); }
.tab.active { color: var(--c-primary); border-color: var(--c-primary); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Quote form (sticky right column) ---------- */
.quote-card { background: #fff; padding: var(--sp-5); border-radius: var(--radius-lg); border: 1px solid var(--c-border); box-shadow: var(--shadow); position: sticky; top: 110px; }
.quote-card h3 { display: flex; align-items: center; gap: 10px; }
.quote-card h3::before { content: ""; width: 6px; height: 22px; background: var(--c-accent); border-radius: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-2-1, .contact-grid, .sidebar-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .regions { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .side-nav, .quote-card { position: static; }
}
@media (max-width: 820px) {
  .section { padding: var(--sp-7) 0; }
  .topbar-info span:nth-child(3) { display: none; }
  .nav-toggle { display: inline-flex; }
  .main-nav, .nav-cta .btn:not(.btn-accent) { display: none; }
  .main-nav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%; background: #fff;
    border-top: 1px solid var(--c-border); box-shadow: var(--shadow-lg);
    padding: var(--sp-3) var(--sp-5);
  }
  .main-nav.open a { padding: 12px 0; border-bottom: 1px solid var(--c-border); }
  .main-nav.open a:last-child { border-bottom: none; }
  .grid-2, .grid-3, .feat-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .hero-meta { gap: var(--sp-4); }
  .stat-num { font-size: 1.8rem; }
}
@media (max-width: 480px) {
  .grid-4, .regions { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero { min-height: 540px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-bottom a { margin-left: 0; margin-right: 16px; }
}

/* ---------- Animations ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.fade-up { animation: fadeUp 0.7s var(--ease) both; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}