@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --accent: #1a56db;
  --accent-2: #2563eb;
  --accent-dark: #0f2b50;
  --accent-light: #eef2ff;
  --secondary: #0d9488;
  --secondary-light: #ecfdf5;
  --warm: #d97706;
  --warm-light: #fef3c7;
  --muted: #64748b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --bg-card: #f8faff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

h2 {
  font-weight: 800;
}

a {
  color: inherit;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text);
  border-bottom: 1px solid rgba(216, 227, 239, 0.7);
  box-shadow: 0 4px 20px rgba(14, 42, 70, 0.06);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

  .brand {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 8px 16px;
    align-items: center;
    padding: 8px 0;
  }

  .site-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    grid-row: 1 / -1;
    align-self: center;
    width: 110px;
    height: 68px;
    border-radius: 10px;
    background: transparent;
    padding: 4px;
    transition: background 0.3s ease;
  }

  .site-logo:hover {
    background: rgba(255, 255, 255, 0.5);
  }

  .site-logo img {
    display: block;
    width: 100%;
    max-width: 100px;
    height: auto;
  }

  .company-name {
    grid-column: 2;
    grid-row: 1;
    font-size: 1.65rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
    white-space: nowrap;
    text-align: center;
    color: var(--accent-dark);
  }

  .menu-toggle {
    display: none;
    border: 1px solid var(--border);
    background: var(--accent-light);
    color: var(--accent);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.2s, border-color 0.2s;
  }

  .menu-toggle:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
  }

  .top-nav {
    grid-column: 2;
    grid-row: 2;
    display: flex;
    align-items: center;
  }

.top-nav > ul {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 4px;
  list-style: none;
  padding: 0;
  width: 100%;
  justify-content: center;
}

.top-nav li {
  position: relative;
}

.has-dropdown::after {
  content: "";
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 12px;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.top-nav > ul > li > a {
  width: auto;
  text-align: center;
}

@media (max-width: 1160px) {
  .company-name {
    font-size: 1.2rem;
  }

  .top-nav > ul > li > a {
    width: auto;
    font-size: 0.77rem;
    padding: 7px 10px;
  }
}

.top-nav a:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: #bfd4ed;
  transform: translateY(-1px);
}

.top-nav > ul > li > a.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.25);
  transform: translateY(-1px);
}

.top-nav > ul > li > a.active:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.has-dropdown > a::after {
  content: "";
  display: inline-flex;
  margin-left: 8px;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0.9;
  flex-shrink: 0;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 260px;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.98);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  z-index: 20;
  list-style: none;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 40px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.89rem;
  font-weight: 600;
  white-space: nowrap;
  border-radius: 8px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-menu a:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.dropdown-menu a.active {
  background: var(--accent);
  color: #ffffff;
}

.dropdown-menu a.active:hover {
  background: var(--accent-2);
}

.has-dropdown:hover > .dropdown-menu {
  display: flex;
}

.home-hero-banner {
  position: relative;
  min-height: 380px;
  background-image: url("factory-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: heroFadeIn 1.2s ease-out;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: scale(1.03); }
  to { opacity: 1; transform: scale(1); }
}


.home-hero-overlay {
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}



.home-hero-tagline {
  color: #ffffff;
  font-size: clamp(1.5rem, 3.2vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  max-width: 980px;
  position: relative;
  background: linear-gradient(135deg, #ffffff 60%, rgba(147, 197, 253, 0.9));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-modern {
  margin-top: 32px;
  background: linear-gradient(160deg, #fafcff, var(--accent-light));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}

.about-intro {
  border-left: 4px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--secondary));
  border-image-slice: 1;
  padding: 4px 0 4px 20px;
}

.about-kicker {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent-2);
}

.about-intro h3 {
  margin: 8px 0 12px;
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  color: var(--accent-dark);
  line-height: 1.3;
}

.about-intro p {
  color: var(--text);
  max-width: 980px;
  opacity: 0.85;
}

.about-band {
  margin-top: 20px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.about-band article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.about-band h4,
.about-performance h4,
.about-lines h4 {
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.about-band p,
.about-performance p,
.line-item p {
  color: var(--muted);
  line-height: 1.6;
}

.about-performance {
  margin-top: 16px;
}

.performance-note {
  background: linear-gradient(135deg, var(--accent-dark), #0a192f);
  color: #e9f3fd;
  border-radius: 16px;
  padding: 24px;
}

.performance-note h4 {
  color: #ffffff;
}

.performance-note p {
  color: #e3effb;
}

.about-lines {
  margin-top: 20px;
}

.line-grid {
  margin-top: 14px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.line-item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 18px 18px 56px;
  box-shadow: var(--shadow-sm);
}

.line-number {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
}

.line-item h5 {
  color: var(--accent-dark);
  margin-bottom: 6px;
  font-size: 1.02rem;
}

main {
  max-width: 1280px;
  margin: 40px auto;
  padding: 0 28px 48px;
}

.grid {
  margin-top: 24px;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: stretch;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-link:hover .card::after {
  opacity: 1;
}

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

.card-link .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

.card h3 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 1.05rem;
}

.card p {
  color: var(--muted);
}

/* Category nav cards */
.nav-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.nav-card-link {
  text-decoration: none;
  display: flex;
  height: 100%;
}

.nav-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, var(--card), #f8faff);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  box-shadow: var(--shadow-sm);
  width: 100%;
  flex: 1;
}

.nav-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--secondary));
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.nav-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 86, 219, 0.03), rgba(13, 148, 136, 0.02));
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.nav-card-link:hover .nav-card {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.nav-card-link:hover .nav-card::before {
  opacity: 1;
}

.nav-card-link:hover .nav-card::after {
  opacity: 1;
}

.nav-card-body {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.nav-card-body h4 {
  color: var(--accent-dark);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 4px;
  transition: color 0.3s ease;
}

.nav-card-link:hover .nav-card-body h4 {
  color: var(--accent);
}

.nav-card-body p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.5;
}

.nav-card-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all 0.35s ease;
}

.nav-card-arrow::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  transform: rotate(45deg) translateX(-2px);
  transition: transform 0.35s ease;
}

.nav-card-link:hover .nav-card-arrow {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateX(4px);
}

.nav-card-link:hover .nav-card-arrow::before {
  transform: rotate(45deg) translateX(0);
}

@media (max-width: 860px) {
  .nav-card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-card {
    padding: 16px 18px;
    gap: 14px;
  }

  .nav-card-body h4 {
    font-size: 1rem;
  }

  .nav-card-arrow {
    display: none;
  }
}

.page-title {
  margin-bottom: 28px;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  border-radius: 2px;
}

.page-title h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--accent-dark);
}

.page-title p {
  color: var(--muted);
  max-width: 720px;
  margin: 10px auto 0;
  font-size: 1.05rem;
}

/* ==============================
   Civil Solutions Page
   ============================== */

.cs-hero {
  text-align: center;
  padding: 12px 0;
}

.cs-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 6px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 16px;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.cs-hero h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  color: var(--accent-dark);
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.4;
}

/* Strength cards */
.cs-strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.cs-strength-card {
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.cs-strength-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.cs-strength-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  margin-bottom: 14px;
  font-size: 1.3rem;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.cs-strength-card h4 {
  color: var(--accent-dark);
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.cs-strength-card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

.cs-strength-footer {
  text-align: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 24px;
  padding: 14px 20px;
  background: var(--accent-light);
  border-radius: 10px;
  border: 1px solid #bfdbfe;
}

/* Sector grid */
.cs-sector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.cs-sector {
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.cs-sector:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.cs-sector-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.cs-sector-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-light), #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.cs-sector-head h4 {
  color: var(--accent-dark);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

.cs-sector-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cs-sector-list li {
  padding: 6px 0 6px 20px;
  position: relative;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.cs-sector-list li:last-child {
  border-bottom: none;
}

.cs-sector-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
}

/* Tag cloud */
.cs-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.cs-tag {
  display: inline-flex;
  padding: 7px 16px;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-dark);
  transition: all 0.25s ease;
  line-height: 1.4;
}

.cs-tag:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

@media (max-width: 860px) {
  .cs-strength-grid,
  .cs-sector-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cs-sector {
    padding: 18px;
  }

  .cs-tag {
    font-size: 0.78rem;
    padding: 5px 12px;
  }
}

/* ==============================
   Flooring Solutions Page
   ============================== */

.fs-intro {
  text-align: center;
  padding: 8px 0;
}

.fs-intro-badge {
  display: inline-flex;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 6px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.fs-intro h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  color: var(--accent-dark);
  margin-bottom: 10px;
}

.fs-intro p {
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
}

/* Category header */
.fs-category-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.fs-cat-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-light), #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.fs-category-head h3 {
  margin: 0;
  color: var(--accent-dark);
  font-size: 1.3rem;
}

.fs-cat-desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  padding-left: 52px;
  line-height: 1.6;
}

.fs-use-head {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 700;
}

.fs-use-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
}

.fs-use-list li {
  padding: 7px 0 7px 26px;
  position: relative;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

.fs-use-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 13px;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%231a56db' d='M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.7;
}

/* Product cards */
.fs-prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.fs-prod-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.fs-prod-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.fs-prod-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 34px;
  padding: 0 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.4px;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.fs-prod-body h5 {
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 3px;
}

.fs-prod-body p {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .fs-use-list {
    grid-template-columns: 1fr;
  }

  .fs-cat-desc {
    padding-left: 0;
  }

  .fs-prod-card {
    padding: 14px;
  }
}

/* ==============================
   Speciality Coatings Page
   ============================== */

.sc-intro {
  text-align: center;
  padding: 8px 0;
}

.sc-intro-badge {
  display: inline-flex;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 6px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.sc-intro p {
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
}

/* Product grid */
.sc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.sc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.sc-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--secondary));
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sc-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.sc-card:hover::before {
  opacity: 1;
}

.sc-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.sc-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 30px;
  padding: 0 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.4px;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.sc-badge--alt {
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.15);
}

.sc-card-head h4 {
  color: var(--accent-dark);
  font-size: 0.98rem;
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
}

.sc-sub {
  font-size: 0.82rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  padding-left: 0;
}

.sc-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
}

/* Note */
.sc-note {
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
}

.sc-note h4 {
  color: var(--accent);
  margin-bottom: 6px;
  font-size: 1rem;
}

.sc-note p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 860px) {
  .sc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sc-card {
    padding: 18px;
  }

  .sc-card-head h4 {
    font-size: 0.9rem;
  }
}

/* ==============================
   Selection Guide Page
   ============================== */

/* System types */
.sg-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.sg-type-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  transition: all 0.3s ease;
}

.sg-type-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.sg-type-badge {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: #ffffff;
}

.sg-type--a {
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.2);
}

.sg-type--b {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.2);
}

.sg-type--c {
  background: linear-gradient(135deg, var(--warm), #b45309);
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.2);
}

.sg-type-card h4 {
  color: var(--accent-dark);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.sg-type-card p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
}

.sg-types-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--accent-light);
  border-radius: 10px;
  border: 1px solid #bfdbfe;
  text-align: center;
}

/* Factors grid */
.sg-factors-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.sg-factor {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sg-factor:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.sg-factor-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sg-factor-letter {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.sg-factor-head h4 {
  color: var(--accent-dark);
  font-size: 1rem;
  margin: 0;
  font-weight: 700;
}

.sg-factor-body {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0 0 10px;
}

.sg-factor-body:last-child {
  margin-bottom: 0;
}

.sg-factor-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sg-factor-list li {
  padding: 5px 0 5px 22px;
  position: relative;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.sg-factor-list li:last-child {
  border-bottom: none;
}

.sg-factor-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
}

/* Build types */
.sg-build-types {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.sg-build-item {
  display: grid;
  grid-template-columns: 130px 80px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 10px 14px;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  font-size: 0.85rem;
}

.sg-build-link {
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  padding: 5px 10px;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.85rem;
  transition: all 0.25s ease;
  min-width: 126px;
  text-align: center;
}

.sg-build-link:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
  transform: translateX(2px);
}

.sg-build-value {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.82rem;
  white-space: nowrap;
}

.sg-build-desc {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

@media (max-width: 860px) {
  .sg-types {
    grid-template-columns: 1fr;
  }

  .sg-build-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ==============================
   Application Areas Page
   ============================== */

.aa-intro {
  text-align: center;
  padding: 8px 0;
}

.aa-intro-badge {
  display: inline-flex;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 6px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.aa-intro p {
  color: var(--muted);
  max-width: 780px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
}

/* Application grid */
.aa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 20px;
}

.aa-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  transition: all 0.25s ease;
  line-height: 1.3;
  min-height: 40px;
}

.aa-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  color: var(--accent);
}

/* Advantages */
.aa-adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.aa-adv-card {
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.aa-adv-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.aa-adv-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  margin-bottom: 12px;
  font-size: 1.2rem;
  box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

.aa-adv-card h4 {
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.aa-adv-card p {
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 960px) {
  .aa-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .aa-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .aa-adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .aa-grid {
    grid-template-columns: 1fr;
  }

  .aa-adv-grid {
    grid-template-columns: 1fr;
  }
}

/* ==============================
   Application Tips Page
   ============================== */

.at-purpose {
  color: var(--accent-dark);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
}

.at-prep-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.at-prep-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.25s ease;
}

.at-prep-item:hover {
  border-color: var(--accent);
}

.at-prep-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 1px;
}

.at-prep-item p {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

/* Methods grid */
.at-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.at-method {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.at-method:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.at-method-letter {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.at-method h4 {
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.at-method p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 0;
}

/* Steps */
.at-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.at-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.at-step:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.at-step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.at-step h4 {
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0 0 3px;
}

.at-step p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
  margin: 0;
}

/* Detail grid */
.at-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 8px;
}

.at-detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: border-color 0.3s ease;
}

.at-detail-card:hover {
  border-color: var(--accent);
}

.at-detail-card--wide {
  grid-column: 1 / -1;
}

.at-detail-title {
  font-size: 1.05rem;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.at-detail-intro {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 12px;
  opacity: 0.85;
}

.at-detail-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.at-detail-list li {
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.55;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.at-detail-list li:last-child {
  border-bottom: none;
}

.at-detail-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
}

.at-detail-list--checks li::before {
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%231a56db' d='M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.7;
  border-radius: 0;
  background-color: transparent;
}

.at-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  padding: 10px 14px;
  background: var(--accent-light);
  border-radius: 8px;
  border: 1px solid #bfdbfe;
  margin: 0;
}

/* Inspections */
.at-inspections {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}

.at-inspection {
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  transition: all 0.3s ease;
}

.at-inspection:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.at-insp-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  margin-bottom: 10px;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.15);
}

.at-inspection h4 {
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.at-inspection p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
}

/* Cure tip */
.at-cure-tip {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--warm-light), #fff);
  border: 1px solid #fde68a;
  border-radius: 10px;
  margin-top: 12px;
}

.at-cure-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--warm), #b45309);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.at-cure-tip p {
  color: #78350f;
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

@media (max-width: 860px) {
  .at-methods {
    grid-template-columns: 1fr;
  }

  .at-detail-grid {
    grid-template-columns: 1fr;
  }

  .at-inspections {
    grid-template-columns: 1fr;
  }

  .at-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .at-steps {
    grid-template-columns: 1fr;
  }
}

/* Standards accordion */
.at-std-group {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--card);
}

.at-std-group[open] {
  box-shadow: var(--shadow-sm);
}

.at-std-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-dark);
  cursor: pointer;
  list-style: none;
  transition: background 0.25s ease;
  user-select: none;
}

.at-std-summary::-webkit-details-marker {
  display: none;
}

.at-std-summary::before {
  content: '';
  display: inline-flex;
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%231a56db' d='M8 3a.75.75 0 01.75.75v3.5h3.5a.75.75 0 010 1.5h-3.5v3.5a.75.75 0 01-1.5 0v-3.5h-3.5a.75.75 0 010-1.5h3.5v-3.5A.75.75 0 018 3z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.at-std-group[open] > .at-std-summary::before {
  transform: rotate(45deg);
}

.at-std-summary:hover {
  background: var(--accent-light);
}

/* Sub-standards */
.at-std-sub {
  border-top: 1px solid var(--border);
}

.at-std-sub-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px 13px 40px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  transition: background 0.25s ease;
  user-select: none;
}

.at-std-sub-summary::-webkit-details-marker {
  display: none;
}

.at-std-sub-summary::before {
  content: '';
  display: inline-flex;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%231a56db' d='M5.22 3.22a.75.75 0 011.06 0l4 4a.75.75 0 010 1.06l-4 4a.75.75 0 01-1.06-1.06L8.69 8 5.22 4.28a.75.75 0 010-1.06z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.at-std-sub[open] > .at-std-sub-summary::before {
  transform: rotate(90deg);
}

.at-std-sub-summary:hover {
  background: var(--accent-light);
}

.at-std-items {
  padding: 0 20px 14px 40px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.at-std-item {
  padding: 12px 14px;
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.25s ease;
}

.at-std-item:hover {
  border-color: var(--accent);
}

.at-std-code {
  display: inline-block;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-light);
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.at-std-name {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent-dark);
  margin-bottom: 4px;
}

.at-std-desc {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
  margin: 0;
}

/* ==============================
   Specification Guide Page
   ============================== */

.spec-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.spec-type {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.spec-type:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.spec-type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
}

.spec-type--b {
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.2);
}

.spec-type--c {
  background: linear-gradient(135deg, var(--warm), #b45309);
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.2);
}

.spec-type h4 {
  color: var(--accent-dark);
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.spec-type p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
  margin: 0;
}

.spec-types-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--accent-light);
  border-radius: 10px;
  border: 1px solid #bfdbfe;
  text-align: center;
}

/* Factors grid */
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

.spec-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.spec-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.spec-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.spec-card:hover::before {
  opacity: 1;
}

.spec-card--wide {
  grid-column: 1 / -1;
}

.spec-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.spec-letter {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.spec-letter--alt {
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.15);
}

.spec-card-head h4 {
  color: var(--accent-dark);
  font-size: 0.98rem;
  margin: 0;
  font-weight: 700;
}

.spec-card-check {
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
  margin: -10px 0 10px 46px;
}

.spec-body {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0 0 10px;
}

.spec-body:last-child {
  margin-bottom: 0;
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.spec-list li {
  padding: 5px 0 5px 22px;
  position: relative;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.spec-list li:last-child {
  border-bottom: none;
}

.spec-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
}

/* Build types */
.spec-builds {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.spec-build {
  display: grid;
  grid-template-columns: 130px 80px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 10px 14px;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  font-size: 0.85rem;
}

.spec-build-link {
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  padding: 5px 10px;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.85rem;
  transition: all 0.25s ease;
  min-width: 130px;
  text-align: center;
}

.spec-build-link:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
  transform: translateX(2px);
}

.spec-build-mils {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.82rem;
  white-space: nowrap;
}

.spec-build-desc {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

@media (max-width: 860px) {
  .spec-types {
    grid-template-columns: 1fr;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .spec-build {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.content-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-top: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.content-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  border-radius: 0 0 3px 3px;
}

.content-section h3 {
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 1.3rem;
}

.content-section ul {
  padding-left: 18px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

/* ── Products page ── */
.prod-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  border-radius: 16px;
  padding: 48px 36px;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.prod-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 500px 200px at 50% 0%, rgba(26,86,219,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.prod-hero-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.prod-hero h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 0 auto 14px;
  max-width: 700px;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}
.prod-hero p {
  color: #94a3b8;
  font-size: 0.95rem;
  max-width: 620px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.prod-teasers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}
.prod-teaser {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.82rem;
  color: #1e293b;
  line-height: 1.45;
  transition: all 0.25s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.prod-teaser:hover {
  box-shadow: 0 4px 12px rgba(26,86,219,0.1);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.prod-teaser-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a56db, #0d9488);
  color: #fff;
  font-size: 0.7rem;
  flex-shrink: 0;
}
.prod-categories {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 36px;
}
.prod-section {
  border: 1px solid var(--accent-dark);
  border-radius: 12px;
  background: var(--bg-card);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  scroll-margin-top: 130px;
}
.prod-summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  color: #ffffff;
  background: var(--accent-dark);
  border-bottom: 1px solid #b8c5d6;
  border-radius: 12px 12px 0 0;
}
.prod-summary-title {
  font-weight: 700;
  font-size: 0.95rem;
}
.prod-summary-sub {
  font-size: 0.76rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 1px;
  line-height: 1.4;
}
.prod-summary-count {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 10px;
  border-radius: 10px;
  margin-top: 2px;
}
.prod-details {
  padding: 16px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.prod-entry {
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: box-shadow 0.25s ease, border-color 0.25s, transform 0.2s;
  position: relative;
}
.prod-entry::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: linear-gradient(180deg, #1a56db, #0d9488);
  border-radius: 0 3px 3px 0;
  opacity: 0.6;
}
.prod-entry:hover {
  box-shadow: 0 4px 14px rgba(26,86,219,0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.prod-entry:hover::before {
  opacity: 1;
}
.prod-entry-body {
  flex: 1;
  min-width: 0;
  margin-bottom: 10px;
}
.prod-entry-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-dark);
  display: block;
  margin-bottom: 2px;
}
.prod-entry-tag {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--secondary);
  background: rgba(13, 148, 136, 0.08);
  padding: 1px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}
.prod-entry-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
.prod-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.prod-entry-pkg-table {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid #d1d9e6;
}
.prod-entry-pkg-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.7rem;
}
.prod-entry-pkg-table thead th {
  text-align: left;
  padding: 5px 7px;
  font-weight: 600;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--muted);
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}
.prod-entry-pkg-table thead th:last-child {
  text-align: right;
}
.prod-entry-pkg-table tbody td {
  padding: 4px 7px;
  color: var(--text);
  border-bottom: 1px solid #f1f5f9;
}
.prod-entry-pkg-table tbody td:last-child {
  text-align: right;
  font-family: monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.3px;
}
.prod-entry-pkg-table tbody tr:last-child td {
  border-bottom: none;
}
.prod-entry-pkg-table tbody tr:hover td {
  background: #f8faff;
}
.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #dc2626;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 5px;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.pdf-btn:hover {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}
.pdf-btn::before {
  content: '';
  width: 12px;
  height: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23dc2626' d='M4 4a2 2 0 012-2h4.586A2 2 0 0112 2.586L14.414 5A2 2 0 0115 6.414V12a2 2 0 01-2 2H6a2 2 0 01-2-2V4z'/%3E%3Cpath fill='%23fff' d='M6 8.5a.5.5 0 01.5-.5h3a.5.5 0 010 1h-3a.5.5 0 01-.5-.5zm0 2a.5.5 0 01.5-.5h3a.5.5 0 010 1h-3a.5.5 0 01-.5-.5z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transition: filter 0.2s;
}
.pdf-btn:hover::before {
  filter: brightness(0) invert(1);
}
.pdf-btn-disabled {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #94a3b8;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 5px;
  white-space: nowrap;
  cursor: default;
  opacity: 0.4;
}
.pic-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #2563eb;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 5px;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.pic-btn:hover {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}
.pic-btn::before {
  content: '';
  width: 11px;
  height: 11px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%232563eb' d='M4.502 2a2.5 2.5 0 00-2.5 2.5v7a2.5 2.5 0 002.5 2.5h7a2.5 2.5 0 002.5-2.5v-7a2.5 2.5 0 00-2.5-2.5h-7zm0 1h7a1.5 1.5 0 011.5 1.5v7a1.5 1.5 0 01-1.5 1.5h-7a1.5 1.5 0 01-1.5-1.5v-7a1.5 1.5 0 011.5-1.5zm.5 2.5a1 1 0 100 2 1 1 0 000-2zm5.5 1.25a.5.5 0 01.354.146l2 2a.5.5 0 01-.708.708L12 9.207V12.5a.5.5 0 01-1 0V9.207l-1.146 1.147a.5.5 0 01-.708-.708l2-2A.5.5 0 0110.502 7.75z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transition: filter 0.2s;
}
.pic-btn:hover::before {
  filter: brightness(0) invert(1);
}
.prod-footer-links {
  text-align: center;
  padding: 28px 20px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.prod-footer-links .pdf-btn {
  font-size: 0.85rem;
  padding: 8px 20px;
}
.prod-trademark {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.prod-trademark strong {
  color: var(--accent-dark);
}
.prod-note {
  display: inline-block;
  margin: 0 auto 16px;
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #b45309;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  text-align: center;
  max-width: 500px;
  line-height: 1.5;
}
@media (max-width: 900px) {
  .prod-details { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .prod-hero { padding: 32px 20px; }
  .prod-hero h2 { font-size: 1.2rem; }
  .prod-teasers { grid-template-columns: 1fr; }
  .prod-details { grid-template-columns: 1fr; }
  .prod-entry-actions { width: 100%; }
  .pdf-btn, .pdf-btn-disabled, .pic-btn {
    flex: 0 1 auto;
    justify-content: center;
  }
}

.site-footer {
  margin-top: 48px;
  background: linear-gradient(180deg, #0f172a, #0a111f);
  color: #cbd5e1;
  padding: 40px 24px 20px;
  font-size: 0.9rem;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), var(--warm));
}

.footer-contact {
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px 24px 20px;
}

.footer-contact h3 {
  color: #f1f5f9;
  margin-bottom: 12px;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
}

.contact-line {
  margin: 8px 0;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.contact-icon {
  width: 22px;
  flex: 0 0 22px;
  text-align: center;
  line-height: 1.3;
  font-size: 1rem;
}

.footer-contact a {
  color: #93c5fd;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.copyright {
  text-align: center;
  margin-top: 20px;
  color: #64748b;
  font-size: 0.82rem;
}

/* ==============================
   Corrosioneering Page
   ============================== */

.hero-statement {
  background: linear-gradient(135deg, #fafcff, var(--accent-light));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.hero-statement::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
}

.question-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.q-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);
}

.question-row h3 {
  font-size: 1.2rem;
  color: var(--text);
  line-height: 1.45;
  margin: 6px 0 0;
}

.text-glow {
  color: var(--accent);
}

.answer-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-left: 60px;
}

.yes-badge {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  color: #fff;
  padding: 6px 20px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 10px rgba(13, 148, 136, 0.25);
}

.answer-text {
  color: var(--muted);
  line-height: 1.7;
  margin: 2px 0 0;
}

/* Announcement */
.announce-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.new-badge {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--warm), #b45309);
  color: #fff;
  padding: 5px 16px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.announce-head h3 {
  font-size: 1.25rem;
  margin: 0;
}

.announce-body {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.time-stat {
  background: linear-gradient(135deg, var(--accent-dark), #0a192f);
  color: #fff;
  padding: 28px 24px;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.stat-main {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-unit {
  font-size: 1.25rem;
  font-weight: 600;
  opacity: 0.9;
}

.stat-desc {
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.8;
  letter-spacing: 0.3px;
}

/* Quote block */
.quote-block {
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 4px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--secondary));
  border-image-slice: 1;
}

.quote-block p {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  font-style: italic;
}

.quote-block footer {
  color: var(--text);
  opacity: 0.85;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Props card */
.props-card {
  background: linear-gradient(135deg, var(--accent-light), #fafcff);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.props-card h4 {
  color: var(--accent);
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.props-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.props-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--text);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.95rem;
}

.props-list li:last-child {
  border-bottom: none;
}

.props-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  opacity: 0.6;
}

/* Credentials bar */
.cred-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  color: #fff;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 16px;
  box-shadow: 0 3px 10px rgba(13, 148, 136, 0.2);
}

.cred-section p {
  color: var(--muted);
  line-height: 1.7;
}

/* App grid tiles */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.app-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 14px;
  text-align: center;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  transition: all 0.25s ease;
  line-height: 1.4;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
}

.app-tile:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  color: var(--accent);
}

/* Section subtitle */
.section-sub {
  color: var(--muted);
  margin-top: -4px;
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Speciality products grid */
.speciality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.speciality-card {
  background: linear-gradient(135deg, #fafcff, var(--card));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 22px 22px 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.speciality-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--secondary));
  border-radius: 0 2px 2px 0;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.speciality-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.speciality-card:hover::before {
  opacity: 1;
}

.speciality-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.speciality-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.4px;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.15);
}

.speciality-card h4 {
  color: var(--accent-dark);
  font-size: 1rem;
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
}

.speciality-sub {
  font-size: 0.82rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  padding-left: 0;
}

.speciality-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
}

@media (max-width: 860px) {
  .speciality-grid {
    grid-template-columns: 1fr;
  }
}

/* Metal Treatment Grid */
.mt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.mt-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mt-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.mt-card:hover::before {
  opacity: 1;
}

.mt-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.mt-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 32px;
  padding: 0 12px;
  background: linear-gradient(135deg, var(--secondary), #0b7e6e);
  color: #ffffff;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.2);
}

.mt-badge--alt {
  background: linear-gradient(135deg, var(--warm), #b45309);
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.2);
}

.mt-head h4 {
  color: var(--accent-dark);
  font-size: 1rem;
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
}

.mt-sub {
  font-size: 0.82rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.mt-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
}

@media (max-width: 960px) {
  .mt-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .mt-grid {
    grid-template-columns: 1fr;
  }
}

/* Grade cards grid */
.grade-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.grade-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.grade-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.grade-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.grade-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 3px 8px rgba(26, 86, 219, 0.2);
}

.grade-head h4 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--accent-dark);
}

.grade-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 600;
}

.grade-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 14px;
}

.grade-apps h5 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  margin-bottom: 6px;
}

.grade-apps ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.grade-apps li {
  padding: 4px 0 4px 18px;
  position: relative;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.5;
}

.grade-apps li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.35;
}

/* Selection table */
.table-wrap {
  overflow-x: auto;
  margin-top: 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.table-wrap th {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #ffffff;
  padding: 12px 14px;
  text-align: center;
  font-weight: 600;
  white-space: nowrap;
  font-size: 0.85rem;
}

.table-wrap td {
  padding: 10px 14px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.table-wrap tr:nth-child(even) td {
  background: #f8fafc;
}

.table-wrap tr:last-child td {
  border-bottom: none;
}

.table-wrap td:first-child {
  font-weight: 700;
  color: var(--accent);
}

/* Sealant grid */
.sealant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.sealant-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 14px;
  text-align: center;
  transition: all 0.25s ease;
  line-height: 1.4;
}

.sealant-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.sealant-code {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
  display: block;
}

.sealant-name {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.82rem;
  margin-top: 3px;
  display: block;
}

/* Warranty & Note cards */
.warranty-card {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 12px;
  padding: 20px;
}

.warranty-card h4 {
  color: #92400e;
  margin-bottom: 8px;
  font-size: 1rem;
}

.warranty-card p {
  color: #78350f;
  font-size: 0.88rem;
  line-height: 1.6;
}

.note-card {
  background: var(--accent-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.note-card h4 {
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 1rem;
}

.note-card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Expert quote */
.expert-quote {
  text-align: center;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent-dark);
  font-weight: 600;
  line-height: 1.6;
}

/* Responsive grade grid */
@media (max-width: 860px) {
  .grade-grid {
    grid-template-columns: 1fr;
  }
}

/* Back button */
.back-section {
  text-align: center;
  margin-top: 28px;
  margin-bottom: 8px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
}

.back-link::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.back-link:hover {
  background: var(--accent-2);
  color: #ffffff;
  transform: translateX(-3px);
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}

.back-link:hover::before {
  transform: rotate(45deg) translateX(-2px);
}

.mobile-details {
  display: none;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }

  .brand {
    grid-template-columns: auto 1fr auto;
    gap: 4px 10px;
    padding: 4px 0;
    min-height: 56px;
  }

  .company-name {
    grid-column: 2;
    grid-row: 1;
    font-size: 0.9rem;
    white-space: normal;
    text-align: left;
  }

  .site-logo {
    grid-row: 1;
    width: 48px;
    height: 36px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .top-nav {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .mobile-details {
    display: list-item;
  }

  .home-hero-banner,
  .home-hero-overlay {
    min-height: 280px;
  }

  .home-hero-overlay {
    padding: 24px;
  }

  .about-modern {
    padding: 24px;
  }

  .about-intro {
    padding-left: 12px;
  }

  .line-item {
    padding: 16px 14px 16px 52px;
  }

  .has-dropdown::after {
    display: none;
  }

  .top-nav > ul {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 460px;
    margin: 10px auto 0;
    padding: 8px;
    gap: 6px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #f8faff;
  }

  .top-nav li {
    width: 100%;
  }

  .top-nav > ul.open {
    display: flex;
  }

  .top-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 13px 16px;
    min-height: 50px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
  }

  .top-nav a:hover,
  .top-nav a:active {
    background: var(--accent-light);
    color: var(--accent);
    transform: none;
  }

  .top-nav > ul > li > a.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: none;
  }

  .has-dropdown > a {
    justify-content: center;
    position: relative;
  }

  .has-dropdown > a::after {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: rotate(45deg) translateY(calc(-50% - 1px));
    margin: 0;
  }

  .dropdown-menu {
    position: static;
    display: none;
    min-width: auto;
    border: 0;
    border-radius: 10px;
    box-shadow: none;
    background: #eef2ff;
    padding: 4px;
    margin: 2px 0 4px;
  }

  .dropdown-menu a {
    color: var(--text);
    padding: 11px 14px 11px 24px;
    min-height: 46px;
    border: 0;
    background: transparent;
    border-radius: 8px;
    font-size: 0.85rem;
    justify-content: flex-start;
    text-align: left;
  }

  .dropdown-menu a:hover,
  .dropdown-menu a:active {
    background: #ffffff;
    color: var(--accent);
  }

  .has-dropdown:hover > .dropdown-menu {
    display: none;
  }

  .has-dropdown > .dropdown-menu.open {
    display: block;
  }

  .company-name {
    white-space: normal;
    flex-shrink: 1;
    font-size: 0.88rem;
  }

  .pdf-btn, .pdf-btn-disabled, .pic-btn {
    padding: 10px 12px;
    font-size: 0.78rem;
    min-height: 44px;
  }

  .footer-contact {
    text-align: left;
    padding: 16px 14px 12px;
  }

  .contact-line {
    font-size: 0.88rem;
  }

  main {
    padding: 0 16px 32px;
  }
}