/* ═══════════════════════════════════════════════════
   HEATPRO INDUSTRIES — style.css
   Clean Industrial B2B Theme
   Palette: White / Light Blue-grey + Deep Navy + Red
═══════════════════════════════════════════════════ */

/* ── RESET & ROOT ──────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:        #1B3A6B;
  --navy-dark:   #0F2347;
  --navy-light:  #2C5282;
  --red:         #C8001A;
  --red-light:   #E8002A;
  --white:       #FFFFFF;
  --off-white:   #F7F9FC;
  --light-grey:  #EEF2F7;
  --mid-grey:    #C8D4E0;
  --text-dark:   #1A2332;
  --text-body:   #3D5166;
  --text-muted:  #6B80A0;
  --border:      #D4DFE8;
  --shadow-sm:   0 1px 4px rgba(27, 58, 107, 0.08);
  --shadow-md:   0 4px 16px rgba(27, 58, 107, 0.12);
  --shadow-lg:   0 12px 40px rgba(27, 58, 107, 0.16);
  --font-head:   'Syne', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --radius:      8px;
  --radius-lg:   14px;
  --container:   1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--light-grey); }
::-webkit-scrollbar-thumb { background: var(--navy); border-radius: 3px; }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

address { font-style: normal; }

/* ── CONTAINER ─────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── SECTION ───────────────────────────────────── */
.section {
  padding: 88px 0;
}

.section-head {
  max-width: 580px;
  margin-bottom: 56px;
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  border-left: 3px solid var(--red);
  padding-left: 10px;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.section-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
}

.section-cta-row {
  margin-top: 48px;
  text-align: center;
}

/* ── BUTTONS ───────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.22s, transform 0.18s, box-shadow 0.22s;
}

.btn-primary:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.22s, color 0.22s, transform 0.18s;
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin-top: 12px;
}

.btn-outline-sm:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  margin-top: 12px;
  transition: color 0.2s, gap 0.2s;
}

.btn-text:hover {
  color: var(--red);
  gap: 10px;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--white);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, transform 0.18s;
}

.btn-white:hover { background: var(--off-white); transform: translateY(-2px); }

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-white-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════
   HEADER / NAVBAR
═══════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 70px;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--navy);
  color: var(--white);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.logo-text em {
  font-style: normal;
  color: var(--navy);
  font-weight: 600;
}

.logo-light .logo-mark { background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.4); }
.logo-light .logo-text { color: var(--white); }
.logo-light .logo-text em { color: rgba(255,255,255,0.8); }

/* Nav links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover { color: var(--navy); background: var(--light-grey); }
.nav-link.active { color: var(--navy); font-weight: 600; }

.nav-cta-btn {
  margin-left: 8px;
  padding: 9px 20px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s;
}

.nav-cta-btn:hover { background: var(--navy-dark); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════ */
.hero-section {
  padding-top: 70px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27,58,107,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,58,107,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(27,58,107,0.08);
  border: 1px solid rgba(27,58,107,0.15);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-h1 span { color: var(--navy); display: block; }

.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 500px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.hero-visual-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 380px;
}

.hvc-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hvc-inner svg { width: 200px; height: auto; }

.hvc-label {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-stat-pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.hsp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  min-width: 90px;
  box-shadow: var(--shadow-sm);
}

.hsp-item strong {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.hsp-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════
   TRUST BAR
═══════════════════════════════════════════════ */
.trust-bar {
  background: var(--navy);
  padding: 48px 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  text-align: center;
  flex: 1;
  min-width: 140px;
}

.trust-num {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.trust-num::after { content: '+'; }

.trust-label {
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255,255,255,0.62);
  margin-top: 6px;
}

.trust-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.18);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   WHY CHOOSE US
═══════════════════════════════════════════════ */
.why-section { background: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--navy);
}

.why-icon {
  width: 52px;
  height: 52px;
  background: var(--light-grey);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.why-icon svg { width: 28px; height: 28px; }

.why-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.why-card p {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   PRODUCT CARDS (shared)
═══════════════════════════════════════════════ */
.preview-grid,
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.products-grid { grid-template-columns: repeat(3, 1fr); }

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.28s, box-shadow 0.28s, border-color 0.28s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--navy);
}

.product-card-img {
  background: var(--light-grey);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  position: relative;
  overflow: hidden;
}

.product-card-img svg {
  width: 100px;
  height: auto;
  transition: transform 0.3s;
}

.product-card:hover .product-card-img svg { transform: scale(1.08); }

.pc-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--white);
  padding: 3px 9px;
  border-radius: 4px;
}

.product-tag-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--light-grey);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.product-card-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-body h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.product-card-body p {
  font-size: 0.87rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.product-specs {
  list-style: none;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-specs li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
}

.product-specs li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

/* ═══════════════════════════════════════════════
   FILTER BAR
═══════════════════════════════════════════════ */
.filter-section {
  padding: 24px 0 0;
  background: var(--white);
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 4px;
}

.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-btn {
  background: var(--light-grey);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 500;
  padding: 7px 16px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.filter-btn:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.filter-btn.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ═══════════════════════════════════════════════
   INDUSTRIES SECTION
═══════════════════════════════════════════════ */
.industries-section { background: var(--off-white); }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  cursor: default;
}

.industry-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--navy);
}

.industry-icon {
  width: 52px;
  height: 52px;
  background: var(--light-grey);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.industry-icon svg { width: 26px; height: 26px; }

.industry-item span {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.01em;
}

/* ═══════════════════════════════════════════════
   CTA BAND
═══════════════════════════════════════════════ */
.cta-band {
  background: var(--navy);
  padding: 72px 0;
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.cta-band-text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.cta-band-text p {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
}

.cta-band-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════
   PAGE HERO (internal pages)
═══════════════════════════════════════════════ */
.page-hero {
  padding-top: 70px;
  background: var(--navy-dark);
  padding-bottom: 56px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  padding-top: 52px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { opacity: 0.4; }

.page-hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 14px;
}

.page-hero-content p {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  max-width: 540px;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   ABOUT PAGE
═══════════════════════════════════════════════ */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: start;
}

.about-intro-text p {
  font-size: 0.97rem;
  font-weight: 300;
  color: var(--text-body);
  line-height: 1.85;
  margin-top: 20px;
}

.about-stat-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.asc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.asc-stat {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
  transition: border-color 0.2s;
}

.asc-stat:hover { border-color: var(--navy); }

.asc-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  display: block;
}

.asc-suffix { font-family: var(--font-head); font-weight: 700; color: var(--red); font-size: 1.2rem; }

.asc-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-top: 5px;
}

.asc-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Manufacturing grid */
.mfg-section { background: var(--off-white); }

.mfg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mfg-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.mfg-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.mfg-icon {
  width: 48px; height: 48px;
  background: var(--light-grey);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}

.mfg-icon svg { width: 26px; height: 26px; }

.mfg-item h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.mfg-item p { font-size: 0.87rem; color: var(--text-muted); line-height: 1.7; }

/* Certifications */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--navy);
}

.cert-icon {
  width: 56px; height: 56px;
  background: var(--light-grey);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}

.cert-icon svg { width: 28px; height: 28px; }

.cert-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.cert-card p { font-size: 0.87rem; color: var(--text-muted); line-height: 1.65; }

/* Values */
.values-section { background: var(--off-white); }

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.values-text p { margin-top: 18px; font-size: 0.97rem; font-weight: 300; color: var(--text-body); line-height: 1.85; }

.values-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.value-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.value-item:last-child { border-bottom: none; }

.value-num {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mid-grey);
  flex-shrink: 0;
  width: 44px;
  line-height: 1;
  padding-top: 2px;
}

.value-content h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.value-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ═══════════════════════════════════════════════
   CONTACT PAGE
═══════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.contact-form-wrap h2 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.form-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-form { display: flex; flex-direction: column; gap: 0; }

.form-row { margin-bottom: 20px; }

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.02em;
}

.req { color: var(--red); }

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,58,107,0.1);
  background: var(--white);
}

.form-group input.error,
.form-group textarea.error { border-color: var(--red); }

.form-group textarea { resize: vertical; min-height: 120px; }

.field-error {
  font-size: 0.78rem;
  color: var(--red);
  min-height: 16px;
}

.form-success {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #EDF7EE;
  border: 1.5px solid #4CAF50;
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 16px;
}

.form-success svg { width: 24px; height: 24px; color: #4CAF50; flex-shrink: 0; margin-top: 2px; }
.form-success strong { display: block; font-size: 0.95rem; color: #2E7D32; margin-bottom: 4px; }
.form-success p { font-size: 0.87rem; color: #4CAF50; }

/* Contact info panel */
.contact-info-panel {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 90px;
}

.cip-block {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.cip-block:last-of-type { border-bottom: none; }

.cip-icon {
  width: 40px; height: 40px;
  background: var(--light-grey);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.cip-icon svg { width: 18px; height: 18px; color: var(--navy); }

.cip-block h3 {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
  letter-spacing: 0.02em;
}

.cip-block p, .cip-block address p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.cip-block a { color: var(--navy); transition: color 0.2s; }
.cip-block a:hover { color: var(--red); }

.cip-trust {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.cip-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--navy);
}

.cip-trust-item svg { width: 16px; height: 16px; color: var(--red); flex-shrink: 0; }

/* FAQ */
.faq-section { background: var(--off-white); }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.25s;
}

.faq-item:hover { border-color: var(--navy); }

.faq-item h3 {
  font-family: var(--font-head);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.faq-item p { font-size: 0.87rem; color: var(--text-muted); line-height: 1.75; }

/* Products full section */
.products-full-section { background: var(--white); padding-top: 48px; }

/* No results */
.no-results {
  text-align: center;
  padding: 64px;
  color: var(--text-muted);
  font-size: 1rem;
  grid-column: 1/-1;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer {
  background: var(--text-dark);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  margin-top: 14px;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }

.footer-col ul a,
.footer-col address p,
.footer-col address a {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
  line-height: 1.6;
}

.footer-col ul a:hover,
.footer-col address a:hover { color: rgba(255,255,255,0.9); }

.footer-col address p { margin-bottom: 8px; }

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ═══════════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  0.65s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.reveal.visible { opacity: 1; transform: none; }

.hidden { display: none !important; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-intro-grid { grid-template-columns: 1fr; }
  .about-intro-visual { max-width: 480px; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-visual { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .mfg-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info-panel { position: static; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-band-actions { justify-content: center; }
  .section { padding: 64px 0; }
  .trust-bar-inner { justify-content: center; }
  .trust-divider { display: none; }
  .nav-link, .main-nav .nav-cta-btn { display: none; }
  .hamburger { display: flex; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 28px 24px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    z-index: 999;
  }
  .main-nav.open .nav-link,
  .main-nav.open .nav-cta-btn { display: block; }
  .main-nav.open .nav-cta-btn { margin: 8px 0 0; text-align: center; }
}

@media (max-width: 600px) {
  .products-grid { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .mfg-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row.two-col { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .container { padding: 0 18px; }
}

.product-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card-link:hover .product-card {
  transform: translateY(-6px);
  transition: 0.3s ease;
  cursor: pointer;
}