/* ============================================
   中粤铁网公司 — Premium Steel Mesh Website
   Redesign: Apple × Tesla × Stripe aesthetic
   Brand Red: #E31E24  Dark: #0D1117
   ============================================ */

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

:root {
  --red:        #E31E24;
  --red-dark:   #B01519;
  --red-light:  #FF4046;
  --dark:       #0D1117;
  --dark-mid:   #1A2233;
  --dark-panel: #111820;
  --border:     #2A3547;
  --gray:       #6B7280;
  --light:      #F4F6F9;
  --font-display: 'Barlow Condensed', 'Noto Sans SC', sans-serif;
  --font-body:    'Noto Sans SC', 'Barlow', sans-serif;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

/* ── ACCESSIBILITY ── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 4px;
  z-index: 9999;
  background: var(--red);
  color: #fff;
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}
.skip-link:focus { left: 4px; }

body {
  font-family: var(--font-body);
  background: #fff;
  color: #1A2233;
  overflow-x: hidden;
  scroll-behavior: smooth;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── FOCUS VISIBLE (keyboard nav) ── */
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* ── LAYOUT ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.section { padding: 100px 0; }
.section-tag {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 52px);
  text-transform: uppercase;
  line-height: 1.0;
  color: var(--dark);
}
.section-title em { color: var(--red); font-style: normal; }
.section-lead {
  color: var(--gray);
  font-size: 16px;
  line-height: 1.75;
  max-width: 560px;
  margin-top: 16px;
}

/* ══════════════════════════════════
   BUTTONS — Apple × Stripe Premium
══════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: #fff;
  padding: 0 32px;
  height: 52px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background 0.2s ease;
  box-shadow: 0 4px 24px rgba(227,30,36,0.3);
  white-space: nowrap;
}
.btn-primary svg {
  width: 16px; height: 16px;
  stroke: currentColor; fill: none; stroke-width: 2.5;
  transition: transform 0.2s ease;
}
.btn-primary:hover {
  background: var(--red-dark);
  color: #fff;
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 8px 36px rgba(227,30,36,0.45);
}
.btn-primary:hover svg { transform: translateX(3px); }
.btn-primary:active { transform: scale(0.98); }

.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  padding: 0 30px;
  height: 52px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.18);
  transition: transform 0.3s var(--ease-spring), background 0.2s, border-color 0.2s;
}
.btn-glass:hover {
  background: rgba(255,255,255,0.13);
  border-color: rgba(255,255,255,0.35);
  transform: scale(1.03) translateY(-2px);
  color: #fff;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #fff;
  padding: 0 30px;
  height: 52px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1.5px solid rgba(255,255,255,0.35);
  transition: transform 0.3s var(--ease-spring), background 0.2s, border-color 0.2s;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
  transform: scale(1.03) translateY(-2px);
  color: #fff;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--red);
  padding: 0 34px;
  height: 52px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(255,255,255,0.2);
}
.btn-white:hover {
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 10px 36px rgba(255,255,255,0.3);
  background: #f2f2f2;
}

/* ── TOPBAR ── */
.topbar {
  background: var(--dark);
  color: #aaa;
  font-size: 12.5px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a { color: var(--red); }
.topbar-info { display: flex; gap: 24px; }

/* ── HEADER ── */
header {
  background: rgba(255,255,255,0.97);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  transition: background 0.3s;
  transform: translateZ(0);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo img { height: 46px; width: auto; }
.logo-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--dark);
  line-height: 1.15;
}
.logo-text span { color: var(--red); }
.logo-sub {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
}
nav { display: flex; gap: 28px; align-items: center; }
nav a {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  color: #333;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width 0.25s var(--ease-out);
}
nav a:hover { color: var(--red); }
nav a:hover::after { width: 100%; }
.header-right { display: flex; align-items: center; gap: 12px; }

/* ── Language Toggle ── */
.lang-toggle {
  display: flex; align-items: center;
  background: #f0f2f5; border: 1px solid rgba(0,0,0,0.08);
  border-radius: 50px; padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 5px 13px; border-radius: 50px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  cursor: pointer; transition: all 0.22s ease; border: none;
  background: transparent; color: #888; line-height: 1;
}
.lang-btn.active {
  background: var(--red); color: #fff;
  box-shadow: 0 2px 8px rgba(227,30,36,0.35);
}
.lang-btn:not(.active):hover { color: var(--red); background: rgba(227,30,36,0.08); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span { width: 24px; height: 2px; background: var(--dark); display: block; }

/* ── MOBILE NAV ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: #fff;
  padding: 24px 40px;
  z-index: 999;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  flex-direction: column;
  gap: 16px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid #eee;
  padding-bottom: 12px;
}
.mobile-nav a:hover { color: var(--red); }

/* ══════════════════════════════════
   HERO — Cinematic Industrial
══════════════════════════════════ */
/* ══════════════════════════════════
   HERO — CINEMATIC REDESIGN
══════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #060a10;
}

/* Background photo with slow zoom */
.hero-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  transform-origin: center center;
  animation: hero-zoom 20s ease-in-out infinite alternate;
  filter: brightness(0.72) saturate(1.1);
  will-change: transform;
}
@keyframes hero-zoom {
  from { transform: scale(1.0) translateY(0);   }
  to   { transform: scale(1.06) translateY(-1%); }
}

/* Overlay — dark at bottom, lighter at top so the sky shows */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(4,8,14,0.20) 0%,
      rgba(4,8,14,0.10) 25%,
      rgba(4,8,14,0.45) 65%,
      rgba(4,8,14,0.88) 100%);
}

/* ══════════════════════════════════
   HERO CINEMATIC CONTENT — CENTERED
══════════════════════════════════ */
.hero-content-cinematic {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  padding: 0 24px;
  max-width: 900px;
  width: 100%;
}

/* Badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(227,30,36,0.12);
  border: 1px solid rgba(227,30,36,0.35);
  border-radius: 50px; padding: 7px 20px 7px 12px;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: #ff6b6b; font-weight: 700; margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge-cinematic { margin-bottom: 20px; }
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--red); flex-shrink: 0;
}

/* Brand block */
.hero-brand-block {
  margin-bottom: 16px;
}
.hero-brand-en {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 120px);
  font-weight: 900;
  color: #fff;
  line-height: 0.9;
  letter-spacing: -2px;
  text-transform: uppercase;
  text-shadow: 0 0 80px rgba(41,98,255,0.3), 0 4px 30px rgba(0,0,0,0.8);
}
.hero-brand-cn {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.5vw, 42px);
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  letter-spacing: 8px;
  margin-top: 6px;
  text-transform: uppercase;
}

/* Tagline */
.hero-tagline {
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  opacity: 0;
  will-change: opacity, transform;
  font-family: var(--font-display);
  text-transform: uppercase;
}

/* Description */
.hero-desc {
  color: rgba(255,255,255,0.5);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 560px;
  opacity: 0;
  will-change: opacity, transform;
}

/* Buttons */
.hero-btns {
  display: flex; gap: 14px; flex-wrap: wrap;
  justify-content: center; opacity: 0; margin-bottom: 52px;
  will-change: opacity, transform;
}
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--red); color: #fff;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 700; font-size: 14px; letter-spacing: 0.5px;
  text-decoration: none;
  transition: all 0.3s var(--ease-spring);
  box-shadow: 0 8px 30px rgba(227,30,36,0.45);
}
.btn-hero-primary:hover {
  background: #c41920; transform: translateY(-2px) scale(1.03);
  box-shadow: 0 16px 40px rgba(227,30,36,0.55);
}
.btn-hero-primary svg { width: 18px; height: 18px; transition: transform 0.2s; }
.btn-hero-primary:hover svg { transform: translateX(4px); }
.btn-hero-glass {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 700; font-size: 14px; letter-spacing: 0.5px;
  text-decoration: none; color: #fff;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.btn-hero-glass:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}

/* Stats bar */
.hero-stats-bar {
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; overflow: hidden;
  backdrop-filter: blur(8px);
  opacity: 0;
  will-change: opacity, transform;
}
.hero-stat-item {
  flex: 1; padding: 16px 24px; text-align: center;
  transition: background 0.2s;
}
.hero-stat-item:hover { background: rgba(255,255,255,0.06); }
.hero-stat-div { width: 1px; height: 44px; background: rgba(255,255,255,0.1); flex-shrink: 0; }
.hero-stat-num {
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.meta-num {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 900;
  color: var(--red); line-height: 1;
}
.meta-plus {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 900; color: var(--red);
}
.meta-label, .hero-stat-label {
  font-size: 10px; color: rgba(255,255,255,0.4);
  text-transform: uppercase; letter-spacing: 1.5px;
  font-weight: 600; margin-top: 4px;
}

/* ── SCROLL CUE ── */
.hero-scroll-cue {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%); z-index: 10;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0.4;
}
.scroll-cue-line {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.7));
}
.scroll-cue-text {
  font-size: 9px; letter-spacing: 4px;
  text-transform: uppercase; color: rgba(255,255,255,0.4); font-weight: 600;
}

/* ══════════════════════════════════
   FEATURE CARDS SECTION
══════════════════════════════════ */
.feature-cards-section {
  background: #080d14;
  padding: 0; margin-top: -2px; position: relative; z-index: 2;
}
.feature-cards-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.feature-card {
  position: relative; padding: 40px 32px;
  border-right: 1px solid rgba(255,255,255,0.06);
  border-top: 1px solid rgba(255,255,255,0.06);
  background: transparent;
  transition: background 0.3s;
  overflow: hidden;
  opacity: 0;
}
.feature-card:last-child { border-right: none; }
.feature-card::before {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 0;
  background: linear-gradient(0deg, rgba(227,30,36,0.06) 0%, transparent 100%);
  transition: height 0.4s ease;
}
.feature-card:hover::before { height: 100%; }
.feature-card:hover { background: rgba(255,255,255,0.02); }
.feature-card-icon {
  width: 52px; height: 52px;
  background: rgba(227,30,36,0.1);
  border: 1px solid rgba(227,30,36,0.2);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s;
}
.feature-card:hover .feature-card-icon {
  background: rgba(227,30,36,0.18);
  border-color: rgba(227,30,36,0.45);
  box-shadow: 0 0 20px rgba(227,30,36,0.2);
}
.feature-card-icon svg { width: 24px; height: 24px; stroke: var(--red); }
.feature-card h3 {
  font-size: 16px; font-weight: 800; color: #fff;
  margin-bottom: 10px; letter-spacing: 0.3px;
}
.feature-card p {
  font-size: 13px; color: rgba(255,255,255,0.4);
  line-height: 1.65;
}
.feature-card-line {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--red);
  transition: width 0.4s ease;
}
.feature-card:hover .feature-card-line { width: 100%; }

/* ── TICKER ── */
.ticker {
  background: var(--red);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-inner {
  display: inline-flex;
  animation: ticker 36s linear infinite;
}
.ticker-item {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #fff;
  padding: 0 36px;
  border-right: 2px solid rgba(255,255,255,0.25);
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ══════════════════════════════════
   PRODUCTION TIMELINE
══════════════════════════════════ */
.process-timeline {
  background: var(--dark);
  padding: 96px 0;
  overflow: hidden;
}
.ptl-header {
  text-align: center;
  margin-bottom: 72px;
}
.ptl-header .section-title { color: #fff; }
.ptl-header .section-lead { color: #6A80A0; margin: 12px auto 0; text-align: center; }

.ptl-track { position: relative; padding: 20px 0 50px; }

.ptl-line {
  position: absolute;
  top: 42px; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,0.07);
  overflow: hidden;
}
.ptl-line-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--red), var(--red-light));
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(227,30,36,0.5);
}

.ptl-steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  position: relative;
  z-index: 2;
}

.ptl-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
}
.ptl-step.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.ptl-step-node {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--dark-mid);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
  flex-shrink: 0;
}
.ptl-step.lit .ptl-step-node {
  border-color: var(--red);
  background: rgba(227,30,36,0.12);
  box-shadow: 0 0 16px rgba(227,30,36,0.3);
}
.ptl-step-node span {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 11px;
  color: var(--red);
}

.ptl-step-body h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  line-height: 1.2;
}
.ptl-step-body p {
  font-size: 10px;
  color: #4A6080;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ══════════════════════════════════
   ABOUT — STEEL FACTORY REDESIGN
══════════════════════════════════ */
.about-steel {
  position: relative;
  background: #06090f;
  overflow: hidden;
  padding: 120px 0 140px;
  isolation: isolate;
}

/* Animated canvas background */
.about-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.35;
}

/* Radial glow from lower-left */
.about-bg-glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 60% 55% at 15% 70%, rgba(227,30,36,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 50% 60% at 80% 30%, rgba(40,100,220,0.08) 0%, transparent 60%),
    linear-gradient(180deg, rgba(6,9,15,0) 0%, rgba(6,9,15,0.6) 100%);
  pointer-events: none;
}

.about-steel-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ── LEFT VISUAL ── */
.about-visual { position: relative; }

.about-photo-frame {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  /* Industrial angular clip */
  clip-path: polygon(0 0, 97% 0, 100% 3%, 100% 100%, 3% 100%, 0 97%);
  box-shadow:
    0 0 0 1px rgba(227,30,36,0.3),
    0 30px 80px rgba(0,0,0,0.7),
    inset 0 0 40px rgba(0,0,0,0.5);
}

.about-photo-main {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
  filter: brightness(0.75) contrast(1.1) saturate(0.8);
  transition: filter 0.6s ease;
}
.about-photo-frame:hover .about-photo-main {
  filter: brightness(0.85) contrast(1.05) saturate(1);
}

/* Molten glow overlay */
.about-photo-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 45%, rgba(227,30,36,0.22) 100%),
    linear-gradient(90deg, rgba(0,0,0,0.35) 0%, transparent 40%);
  z-index: 1;
}

/* Sparks canvas over the photo */
.about-sparks-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* Industrial corner brackets */
.about-corner {
  position: absolute;
  width: 32px; height: 32px;
  z-index: 3;
  pointer-events: none;
}
.about-corner-tl {
  top: 10px; left: 10px;
  border-top: 2px solid var(--red);
  border-left: 2px solid var(--red);
  box-shadow: -1px -1px 8px rgba(227,30,36,0.6);
}
.about-corner-br {
  bottom: 10px; right: 10px;
  border-bottom: 2px solid var(--red);
  border-right: 2px solid var(--red);
  box-shadow: 1px 1px 8px rgba(227,30,36,0.6);
}

/* 1998 badge */
.about-year-badge {
  position: absolute;
  bottom: 20px; left: 20px;
  z-index: 4;
  background: rgba(8,13,20,0.85);
  border: 1px solid rgba(227,30,36,0.5);
  backdrop-filter: blur(8px);
  padding: 12px 18px;
  clip-path: polygon(0 0, 100% 0, 100% 80%, 90% 100%, 0 100%);
}
.about-year-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: -1px;
}
.about-year-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* Accent photo (floating lower-right) */
.about-accent-frame {
  position: absolute;
  bottom: -36px; right: -36px;
  width: 200px;
  border: 2px solid rgba(227,30,36,0.35);
  box-shadow: 0 16px 48px rgba(0,0,0,0.7);
  background: #06090f;
  z-index: 5;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
  overflow: hidden;
}
.about-photo-accent {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  filter: brightness(0.7) saturate(0.7);
}
.about-accent-tag {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.5px;
  background: rgba(10,16,28,0.95);
}
.about-live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #e31e24;
  box-shadow: 0 0 6px #e31e24;
  animation: live-blink 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes live-blink {
  0%,100% { opacity: 1; box-shadow: 0 0 6px #e31e24; }
  50% { opacity: 0.3; box-shadow: none; }
}

/* ── RIGHT CONTENT ── */
.about-content { padding-left: 10px; }

.about-steel .section-title { color: #fff; }
.about-steel .section-tag { color: var(--red); }

.about-title { margin-bottom: 18px; }
.about-title em { color: var(--red); font-style: normal; }

.about-lead-text {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255,255,255,0.55);
  margin-bottom: 40px;
  max-width: 500px;
}

/* ── Animated stat cards ── */
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 42px;
}

.about-stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--red);
  padding: 18px 20px 16px;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 96% 0, 100% 8%, 100% 100%, 4% 100%, 0 92%);
  transition: background 0.3s, border-color 0.3s;
}
.about-stat-card:hover {
  background: rgba(227,30,36,0.06);
  border-color: rgba(227,30,36,0.4);
  border-top-color: var(--red);
}

/* progress bar fill */
.about-stat-bar-wrap {
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.06);
  margin-bottom: 12px;
  overflow: hidden;
}
.about-stat-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--red), #ff6b35);
  box-shadow: 0 0 6px rgba(227,30,36,0.7);
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-stat-num-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 6px;
}
.about-stat-count {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: -1px;
}
.about-stat-suf {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
}
.about-stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
}

/* ── Feature rows ── */
.about-feats {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.about-feat-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s;
}
.about-feat-row:hover { background: rgba(227,30,36,0.04); margin: 0 -8px; padding-left: 8px; padding-right: 8px; border-radius: 2px; }

.about-feat-icon-box {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(227,30,36,0.1);
  border: 1px solid rgba(227,30,36,0.25);
  clip-path: polygon(0 0, 85% 0, 100% 15%, 100% 100%, 15% 100%, 0 85%);
  color: var(--red);
  transition: background 0.3s, box-shadow 0.3s;
}
.about-feat-row:hover .about-feat-icon-box {
  background: rgba(227,30,36,0.2);
  box-shadow: 0 0 16px rgba(227,30,36,0.3);
}
.about-feat-icon-box svg { width: 20px; height: 20px; }

.about-feat-text h4 {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.3px;
}
.about-feat-text p {
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  line-height: 1.65;
}

/* ── responsive ── */
@media (max-width: 960px) {
  .about-steel-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .about-accent-frame { display: none; }
  .about-stats-grid { grid-template-columns: repeat(4, 1fr); }
  .about-stat-count { font-size: 28px; }
}
@media (max-width: 640px) {
  .about-steel { padding: 80px 0 100px; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-photo-main { height: 300px; }
}

/* ══════════════════════════════════
   FACILITY PARALLAX SHOWCASE
══════════════════════════════════ */
.facility-showcase {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.facility-parallax {
  position: absolute;
  inset: -15%;
  z-index: 0;
  will-change: transform;
}
.facility-parallax img {
  width: 100%;
  height: 130%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.facility-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(13,17,23,0.82) 0%, rgba(13,17,23,0.55) 60%, rgba(13,17,23,0.70) 100%);
}

.facility-content {
  position: relative;
  z-index: 2;
  padding-top: 90px;
  padding-bottom: 90px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

/* Eyebrow divider */
.facility-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  overflow: hidden;
}
.facility-eyebrow-text {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(14px);
}
.facility-line {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: rgba(255,255,255,0.2);
  transform: scaleX(0);
  transform-origin: left;
}

/* Title */
.facility-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 24px;
  overflow: hidden;
}
.fac-line-1 {
  display: block;
  font-size: clamp(56px, 8vw, 112px);
  color: #fff;
  letter-spacing: -2px;
  transform: translateY(110%);
  opacity: 0;
}
.fac-line-2 {
  display: block;
  font-size: clamp(18px, 2.2vw, 28px);
  color: var(--red);
  letter-spacing: 2px;
  transform: translateY(110%);
  opacity: 0;
  margin-top: 8px;
}

/* Description */
.facility-desc {
  color: rgba(255,255,255,0.62);
  font-size: 15px;
  line-height: 1.85;
  max-width: 540px;
  margin-bottom: 44px;
  opacity: 0;
  transform: translateY(20px);
}

/* Stats row */
.facility-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 44px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
}
.facility-stat { display: flex; flex-direction: column; }
.facility-stat-div { width: 1px; height: 44px; background: rgba(255,255,255,0.15); flex-shrink: 0; }
.fstat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  display: inline;
}
.fstat-unit {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  margin-left: 3px;
  display: inline;
}
.fstat-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  font-weight: 600;
  margin-top: 7px;
}

/* CTA */
.facility-cta {
  opacity: 0;
  transform: translateY(16px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.facility-cta svg { width: 16px; height: 16px; transition: transform 0.2s; }
.facility-cta:hover svg { transform: translateX(4px); }

@media (max-width: 768px) {
  .facility-showcase { min-height: 500px; }
  .fac-line-1 { font-size: clamp(44px, 12vw, 72px); }
  .facility-stats { gap: 20px; }
  .facility-stat-div { display: none; }
}

/* ── PARTNERS ── */
.partners { border-top: 1px solid #E5E8EE; border-bottom: 1px solid #E5E8EE; padding: 48px 0; }
.partners-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gray); font-weight: 600; text-align: center; margin-bottom: 36px;
}
.partners-row { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.partner-logo {
  font-family: var(--font-display); font-size: 17px; font-weight: 900;
  letter-spacing: 2px; text-transform: uppercase; color: #CBD0D8;
  transition: color 0.2s; cursor: default;
}
.partner-logo:hover { color: var(--red); }

/* ── PRODUCTS ── */
.products-section { background: var(--light); }
.products-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 56px; flex-wrap: wrap; gap: 24px;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.product-card {
  background: #fff;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 64px rgba(0,0,0,0.12);
  z-index: 2;
}
.product-card:first-child { grid-column: span 2; }
.product-img-wrap { position: relative; overflow: hidden; height: 240px; }
.product-card:first-child .product-img-wrap { height: 320px; }
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-num {
  position: absolute; top: 18px; left: 18px;
  font-family: var(--font-display); font-size: 11px; font-weight: 900;
  letter-spacing: 3px; text-transform: uppercase;
  background: var(--red); color: #fff; padding: 6px 14px;
}
.product-body {
  padding: 26px 28px;
  border-top: 3px solid transparent;
  transition: border-color 0.25s;
}
.product-card:hover .product-body { border-color: var(--red); }
.product-cat { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--red); font-weight: 700; margin-bottom: 10px; }
.product-name { font-family: var(--font-display); font-size: 20px; font-weight: 800; text-transform: uppercase; color: var(--dark); margin-bottom: 12px; line-height: 1.15; }
.product-card:first-child .product-name { font-size: 26px; }
.product-desc { font-size: 14px; color: var(--gray); line-height: 1.6; margin-bottom: 18px; }
.product-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--dark); border-bottom: 2px solid var(--red); padding-bottom: 2px;
  transition: color 0.2s, gap 0.2s;
}
.product-link:hover { color: var(--red); gap: 14px; }
.product-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.5; }

/* ══════════════════════════════════
   FACTORY / OUR EQUIPMENT SECTION
══════════════════════════════════ */
.factory-section { background: #f8f9fb; }

.factory-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.factory-header .section-lead { max-width: 420px; margin: 0; }

.factory-feature {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  margin-bottom: 4px;
  background: var(--dark);
  border-radius: 4px;
  overflow: hidden;
}
.factory-feature-img { position: relative; overflow: hidden; }
.factory-feature-img img {
  width: 100%; height: 440px;
  object-fit: cover; display: block;
  transition: transform 0.6s var(--ease-out);
}
.factory-feature:hover .factory-feature-img img { transform: scale(1.03); }
.factory-img-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: rgba(255,255,255,0.8); font-size: 12px;
  padding: 28px 22px 18px; letter-spacing: 0.5px;
  display: flex; flex-direction: column; gap: 6px;
}
.fac-label-tag {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--red); font-weight: 700;
  background: rgba(227,30,36,0.12); border: 1px solid rgba(227,30,36,0.3);
  border-radius: 50px; padding: 3px 10px; width: fit-content;
}
.factory-feature-body {
  padding: 48px 44px; display: flex; flex-direction: column;
  justify-content: center; gap: 18px;
}
.factory-feat-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 42px); font-weight: 900;
  text-transform: uppercase; color: #fff; line-height: 1.0;
}
.factory-feat-title em { color: var(--red); font-style: normal; }
.factory-feature-body p { color: #8FA0B8; font-size: 14px; line-height: 1.8; }
.factory-feat-list {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin-top: 8px; padding-top: 18px; border-top: 1px solid var(--border);
}
.factory-feat-list li { font-size: 13px; color: #8FA0B8; display: flex; align-items: baseline; gap: 6px; }
.factory-feat-list li span {
  color: var(--red); font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap;
}

.factory-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 4px; margin-top: 4px;
}
.factory-card-wide { grid-column: span 2; }
.factory-card {
  background: #fff; overflow: hidden; border-radius: 2px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.factory-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.12); z-index: 2; }
.factory-card-img { position: relative; overflow: hidden; height: 200px; }
.factory-card-wide .factory-card-img { height: 200px; }
.factory-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s var(--ease-out); }
.factory-card:hover .factory-card-img img { transform: scale(1.06); }
.factory-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 50%, rgba(0,0,0,0.55) 100%);
  display: flex; align-items: flex-end; padding: 14px;
  opacity: 0; transition: opacity 0.3s;
}
.factory-card:hover .factory-card-overlay { opacity: 1; }
.factory-card-overlay span {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.85); font-weight: 600;
  background: rgba(227,30,36,0.85); padding: 4px 12px; border-radius: 50px;
}
.factory-card-body {
  padding: 18px 20px 22px;
  border-top: 3px solid transparent; transition: border-color 0.25s;
}
.factory-card:hover .factory-card-body { border-color: var(--red); }
.factory-card-num { font-family: var(--font-display); font-size: 11px; font-weight: 900; letter-spacing: 3px; color: var(--red); margin-bottom: 7px; }
.factory-card-body h4 { font-family: var(--font-display); font-size: 15px; font-weight: 800; text-transform: uppercase; color: var(--dark); margin-bottom: 7px; line-height: 1.2; }
.factory-card-body p { font-size: 12.5px; color: var(--gray); line-height: 1.65; }

@media (max-width: 1024px) {
  .factory-feature { grid-template-columns: 1fr; }
  .factory-feature-img img { height: 300px; }
  .factory-feature-body { padding: 32px 28px; }
  .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-card-wide { grid-column: span 2; }
  .factory-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .factory-grid { grid-template-columns: 1fr; }
  .factory-card-wide { grid-column: span 1; }
}

/* ── FUNFACTS ── */
.funfacts {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.funfacts::before {
  content: '';
  position: absolute; inset: 0;
  background: url('images/factory-bg.jpg') center/cover no-repeat;
  opacity: 0.06;
}
.funfacts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  position: relative;
  z-index: 2;
}
.fact-item { background: rgba(255,255,255,0.03); padding: 52px 28px; text-align: center; }
.fact-emoji { font-size: 36px; margin-bottom: 18px; display: block; }
.fact-num { font-family: var(--font-display); font-size: 64px; font-weight: 900; color: var(--red); line-height: 1; }
.fact-label { font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; color: #6A80A0; margin-top: 10px; font-weight: 600; }

/* ── WHY US ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.process-card {
  border: 1px solid #E5E8EE;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.3s var(--ease-out);
}
.process-card:hover {
  border-color: var(--red);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.process-num {
  font-family: var(--font-display);
  font-size: 72px; font-weight: 900;
  color: rgba(227,30,36,0.07);
  line-height: 1;
  position: absolute; top: 12px; right: 16px;
}
.process-icon {
  width: 52px; height: 52px;
  background: var(--red);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.process-icon svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2; }
.process-card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 800; text-transform: uppercase; color: var(--dark); margin-bottom: 12px; }
.process-card p { font-size: 14px; color: var(--gray); line-height: 1.65; }

/* ── TESTIMONIALS ── */
.testimonials-section { background: var(--dark); position: relative; }
.testimonials-section::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 38%;
  background: rgba(227,30,36,0.04);
}
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 56px;
}
.testi-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  padding: 32px;
  position: relative;
  transition: border-color 0.25s, transform 0.3s var(--ease-out);
}
.testi-card:hover { border-color: rgba(227,30,36,0.4); transform: translateY(-4px); }
.testi-card::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 80px; color: var(--red); opacity: 0.2;
  position: absolute; top: 8px; left: 22px; line-height: 1;
}
.testi-text { font-size: 15px; color: #C0D0E0; line-height: 1.75; margin-bottom: 26px; padding-top: 32px; }
.testi-author { display: flex; align-items: center; gap: 14px; border-top: 1px solid var(--border); padding-top: 18px; }
.testi-avatar { width: 44px; height: 44px; background: var(--red); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 16px; font-weight: 900; color: #fff; flex-shrink: 0; border-radius: 4px; }
.testi-name { font-weight: 700; font-size: 15px; color: #fff; }
.testi-role { font-size: 11px; color: var(--red); text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; }
.stars { color: var(--red); font-size: 14px; margin-bottom: 4px; letter-spacing: 2px; }

/* ── DELIVERY SECTION ── */
.delivery-section { background: var(--dark); position: relative; overflow: hidden; }
#delivery .section-label,
.delivery-section .section-label { color: var(--red) !important; }
#delivery .section-title,
.delivery-section .section-title { color: #fff !important; }
#delivery .section-sub,
.delivery-section .section-sub { color: rgba(255,255,255,0.72) !important; }
.delivery-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(227,30,36,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.delivery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  margin-top: 56px;
  margin-bottom: 48px;
}
.delivery-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--light);
  aspect-ratio: 4/3;
  cursor: default;
}
.delivery-card--wide { aspect-ratio: 16/9; }
.delivery-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
}
.delivery-card:hover img { transform: scale(1.04); }
.delivery-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 24px;
}
.delivery-badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--red); color: #fff;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
  padding: 5px 12px; border-radius: 50px;
}
.delivery-card-info h3 {
  color: #fff; font-size: 18px; font-weight: 800; margin: 0 0 6px; line-height: 1.3;
}
.delivery-card-info p {
  color: rgba(255,255,255,0.72); font-size: 13px; line-height: 1.6; margin: 0;
}
.delivery-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(255,255,255,0.06); border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.delivery-stat {
  background: rgba(255,255,255,0.03);
  padding: 28px 24px; text-align: center;
  transition: background 0.3s;
}
.delivery-stat:hover { background: rgba(227,30,36,0.06); }
.delivery-stat-num {
  display: block; font-size: 42px; font-weight: 900; color: var(--red);
  font-variant-numeric: tabular-nums; line-height: 1;
}
.delivery-stat-unit {
  display: inline-block; font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
.delivery-stat-label {
  display: block; font-size: 12px; color: rgba(255,255,255,0.4);
  margin-top: 6px; text-transform: uppercase; letter-spacing: 0.5px;
}
@media (max-width: 900px) {
  .delivery-grid { grid-template-columns: 1fr; }
  .delivery-card--wide { aspect-ratio: 16/9; }
  .delivery-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .delivery-stats { grid-template-columns: repeat(2, 1fr); }
  .delivery-stat-num { font-size: 32px; }
}

/* ── CTA BANNER ── */
.cta-banner {
  background: var(--red);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; right: -100px; top: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-banner::after {
  content: '';
  position: absolute; left: -60px; bottom: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(0,0,0,0.06);
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap; position: relative; z-index: 2;
}
.cta-text h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.5vw, 48px);
  font-weight: 900; text-transform: uppercase; color: #fff; line-height: 1.0;
}
.cta-text p { color: rgba(255,255,255,0.8); font-size: 16px; margin-top: 10px; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn-cta-call {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1.5px solid rgba(255,255,255,0.45);
  color: #fff; padding: 0 28px; height: 52px;
  border-radius: 50px; font-weight: 800; font-size: 13px;
  letter-spacing: 0.5px; text-transform: uppercase;
  transition: all 0.3s var(--ease-spring);
}
.btn-cta-call:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.7);
  transform: scale(1.03) translateY(-2px);
  color: #fff;
}

/* ── CONTACT ── */
.contact-section { background: var(--light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info p { color: var(--gray); font-size: 15px; line-height: 1.75; margin-bottom: 32px; }
.contact-detail { display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start; }
.contact-detail-icon {
  width: 44px; height: 44px; background: var(--red);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  border-radius: 4px;
}
.contact-detail-icon svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; }
.contact-detail-text strong { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.contact-detail-text span { font-size: 15px; color: var(--gray); display: block; margin-bottom: 10px; }
.btn-view-map {
  display: inline-flex; align-items: center; gap: 7px;
  background: #1a73e8; color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: 0.3px;
  padding: 8px 16px; border-radius: 50px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(26,115,232,0.3);
  margin-top: 2px;
}
.btn-view-map svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn-view-map:hover {
  background: #1558b0; transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26,115,232,0.45);
}
.btn-view-map:active { transform: translateY(0); }
.contact-form { background: #fff; padding: 40px; border-radius: 4px; box-shadow: 0 4px 40px rgba(0,0,0,0.06); }
.contact-form h3 { font-family: var(--font-display); font-size: 20px; font-weight: 800; text-transform: uppercase; color: var(--dark); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; color: var(--dark); margin-bottom: 7px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; border: 1px solid #D8DCE6;
  padding: 12px 14px; font-family: var(--font-body);
  font-size: 14px; color: var(--dark); background: var(--light);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none; appearance: none;
  border-radius: 4px;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(227,30,36,0.08);
}
.form-group textarea { height: 110px; resize: none; }
.form-submit-btn { width: 100%; padding: 0; height: 54px; font-size: 14px; font-weight: 800; letter-spacing: 1px; justify-content: center; border-radius: 8px; }
.form-submit-btn.success { background: #16a34a !important; box-shadow: 0 4px 24px rgba(22,163,74,0.3) !important; }

/* ── FOOTER ── */
footer { background: var(--dark); color: #8FA0B8; }
.footer-top { padding: 80px 0 48px; border-bottom: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; }
.footer-brand p { font-size: 14px; line-height: 1.75; margin: 18px 0 24px; max-width: 280px; }
.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); opacity: 0.8; }
.footer-logo-text { font-family: var(--font-display); font-weight: 900; font-size: 18px; color: #fff; }
.footer-logo-text span { color: var(--red); }
.footer-logo-sub { font-size: 10px; letter-spacing: 2px; color: #5A7090; text-transform: uppercase; }
.footer-socials { display: flex; gap: 10px; }
.footer-social {
  width: 36px; height: 36px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: #8FA0B8; font-size: 12px; font-weight: 800;
  border-radius: 4px; transition: all 0.2s;
}
.footer-social:hover { background: var(--red); border-color: var(--red); color: #fff; }
.footer-col h4 { font-family: var(--font-display); font-size: 15px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; color: #fff; margin-bottom: 22px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a { font-size: 14px; color: #8FA0B8; transition: color 0.2s; display: flex; align-items: center; gap: 8px; }
.footer-col ul li a::before { content: '›'; color: var(--red); font-size: 18px; }
.footer-col ul li a:hover { color: var(--red); }
.footer-newsletter p { font-size: 14px; margin-bottom: 16px; line-height: 1.65; }
.newsletter-form { display: flex; }
.newsletter-form input {
  flex: 1; background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-right: none;
  padding: 12px 14px; color: #fff; font-family: var(--font-body); font-size: 14px; outline: none; border-radius: 4px 0 0 4px;
}
.newsletter-form input::placeholder { color: #4A6080; }
.newsletter-form button {
  background: var(--red); border: none; padding: 12px 18px; cursor: pointer;
  flex-shrink: 0; transition: background 0.2s; border-radius: 0 4px 4px 0;
}
.newsletter-form button:hover { background: var(--red-dark); }
.newsletter-form button svg { width: 18px; height: 18px; fill: none; stroke: #fff; stroke-width: 2.5; }
.footer-bottom { padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; }
.footer-bottom a { color: var(--red); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 13px; color: #8FA0B8; transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--red); }

/* ══════════════════════════════════
   FLOATING CTAs
══════════════════════════════════ */
.floating-actions {
  position: fixed;
  bottom: 28px; right: 24px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.floating-actions.visible {
  opacity: 1;
  transform: translateY(0);
}
.fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
  text-decoration: none;
  letter-spacing: 0.3px;
}
.fab:hover { transform: scale(1.08) translateY(-3px); }
.fab svg { width: 20px; height: 20px; flex-shrink: 0; }
.fab-wa {
  width: 48px;
  padding: 0;
  justify-content: center;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
}
.fab-wa:hover { box-shadow: 0 8px 32px rgba(34,197,94,0.55); }
.fab-quote {
  padding: 0 20px;
  background: var(--red);
  box-shadow: 0 4px 20px rgba(227,30,36,0.4);
}
.fab-quote:hover { box-shadow: 0 8px 32px rgba(227,30,36,0.55); color: #fff; }

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 1024px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .header-inner { padding: 0 24px; }
  .container { padding: 0 24px; }
  .section { padding: 72px 0; }
  /* about-steel responsive handled inline above */
  .contact-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .product-card:first-child { grid-column: span 2; }
  .funfacts-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .ptl-steps { grid-template-columns: repeat(4, 1fr); }
  .ptl-line { display: none; }
  .floating-actions { bottom: 20px; right: 16px; }
  .feature-cards-grid { grid-template-columns: 1fr 1fr; }
  .feature-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .hero-stats-bar { flex-wrap: wrap; border-radius: 12px; }
  .hero-stat-item { flex: 0 0 50%; padding: 14px 20px; }
  .hero-stat-div:nth-child(4) { display: none; }
}

@media (max-width: 640px) {
  .products-grid { grid-template-columns: 1fr; }
  .product-card:first-child { grid-column: span 1; }
  .funfacts-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; }
  .topbar-info { flex-direction: column; gap: 4px; }
  .topbar .container { flex-direction: column; align-items: flex-start; }
  .mobile-nav { padding: 24px; }
  .ptl-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .fab-quote span { display: none; }
  .fab-quote { width: 48px; padding: 0; justify-content: center; border-radius: 50%; }
  .feature-cards-grid { grid-template-columns: 1fr; }
  .hero-brand-en { letter-spacing: -1px; }
  .hero-brand-cn { letter-spacing: 4px; }
  .hero-stats-bar { border-radius: 10px; }
  .hero-stat-item { flex: 0 0 50%; }
  .hero-stat-div { display: none; }
}

/* ══════════════════════════════════
   RESPONSIVE — EXTENDED COVERAGE
   1024 · 768 · 640 · 480 · 375
   Touch  ·  Reduced-motion
══════════════════════════════════ */

/* ── 1024px supplement ── */
@media (max-width: 1024px) {
  .header-right .btn-primary { display: none; }
  .contact-grid { gap: 48px; }
  .process-timeline { padding: 72px 0; }
  .ptl-header { margin-bottom: 52px; }
}

/* ── 768px supplement ── */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .about-steel { padding: 80px 0 96px; }
  .cta-banner { padding: 60px 0; }
}

/* ── 640px supplement ── */
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-hero-primary,
  .btn-hero-glass { width: 100%; max-width: 360px; justify-content: center; }
  .cta-banner { padding: 52px 0; }
  .cta-btns { flex-direction: column; align-items: stretch; width: 100%; max-width: 320px; }
  .btn-cta-call,
  .btn-white { justify-content: center; }
  .fact-item { padding: 36px 16px; }
  .fact-num { font-size: 48px; }
  .contact-form { padding: 28px 20px; }
  .footer-top { padding: 56px 0 32px; }
  .delivery-stat { padding: 22px 14px; }
  .delivery-stat-num { font-size: 34px; }
  .process-timeline { padding: 60px 0; }
  .ptl-header { margin-bottom: 40px; }
}

/* ── 480px — Small phones ── */
@media (max-width: 480px) {
  .section { padding: 44px 0; }
  .container { padding: 0 16px; }
  .topbar { display: none; }
  .header-inner { padding: 0 16px; }
  .mobile-nav { padding: 20px 16px; }
  .hero-badge { font-size: 9.5px; padding: 6px 14px 6px 10px; }
  .hero-stats-bar { border-radius: 8px; }
  .hero-stat-item { padding: 12px 6px; }
  .meta-num { font-size: 20px; }
  .meta-label, .hero-stat-label { font-size: 8.5px; letter-spacing: 0.8px; }
  .about-steel { padding: 52px 0 68px; }
  .about-stats-grid { gap: 10px; }
  .about-stat-count { font-size: 24px; }
  .about-stat-suf { font-size: 16px; }
  .process-timeline { padding: 44px 0; }
  .ptl-header { margin-bottom: 28px; }
  .ptl-steps { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .fact-item { padding: 26px 12px; }
  .fact-num { font-size: 40px; }
  .fact-emoji { font-size: 28px; margin-bottom: 12px; }
  .fact-label { font-size: 9.5px; letter-spacing: 1.5px; }
  .cta-banner { padding: 40px 0; }
  .cta-text p { font-size: 14px; }
  .contact-form { padding: 22px 16px; }
  .contact-grid { gap: 28px; }
  .footer-top { padding: 44px 0 28px; }
  .footer-grid { gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-bottom-links { flex-wrap: wrap; gap: 14px; }
  .delivery-stat { padding: 16px 10px; }
  .delivery-stat-num { font-size: 26px; }
  .delivery-stat-unit { font-size: 11px; }
  .delivery-stat-label { font-size: 10px; }
  .partners-row { gap: 28px; }
  .testi-card { padding: 24px 20px; }
  .process-card { padding: 28px 20px; }
}

/* ── 375px — iPhone SE / small budget phones ── */
@media (max-width: 375px) {
  .container { padding: 0 14px; }
  .hero-brand-en { font-size: 52px !important; letter-spacing: -1px; }
  .hero-brand-cn { font-size: 18px; letter-spacing: 3px; }
  .hero-stat-item { padding: 10px 4px; }
  .meta-num { font-size: 18px; }
  .footer-socials { flex-wrap: wrap; gap: 8px; }
  .logo-text { font-size: 17px; }
}

/* ── Touch devices — remove non-functional hover transforms ── */
@media (hover: none) and (pointer: coarse) {
  .btn-primary:hover,
  .btn-glass:hover,
  .btn-outline:hover,
  .btn-white:hover { transform: none; }
  .btn-hero-primary:hover,
  .btn-hero-glass:hover { transform: none; }
  .product-card:hover { transform: none; box-shadow: none; z-index: auto; }
  .factory-card:hover { transform: none; box-shadow: none; }
  .process-card:hover { transform: none; box-shadow: none; }
  .testi-card:hover { transform: none; }
  .fab:hover { transform: none; }
  .about-stat-card:hover { background: rgba(255,255,255,0.03); }
}

/* ── Reduced motion — disable CSS-layer animations ── */
@media (prefers-reduced-motion: reduce) {
  .hero-bg-img { animation: none; }
  .ticker-inner { animation-duration: 0.01ms !important; }
  .about-live-dot { animation: none; opacity: 1; }
  .ptl-step,
  .ptl-step-node { transition: none !important; }
}