/* METABUILD — system windows (international presentation) */
:root {
  --bg: #f4f6f8;
  --bg-card: #ffffff;
  --text: #111418;
  --text-muted: #5a616d;
  --brand: #0a3a56;
  --brand-light: #0369a1;
  --accent: #0ea5e9;
  --border: #dfe3ea;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20, 30, 50, 0.06);
  --shadow-lg: 0 20px 50px -12px rgba(20, 30, 50, 0.15);
  --header-h: 72px;
  --max: 1120px;
  --font: "DM Sans", "Source Sans 3", system-ui, -apple-system, sans-serif;
  /* Hero: modern glazed façade (swap URL to use your own photography) */
  --hero-parallax-image: url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2400&q=85");
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-variant-numeric: lining-nums;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--brand-light);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--brand);
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--text);
  color: #fff;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.logo__img {
  display: block;
  height: 2.4rem;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.logo--footer .logo__img {
  height: 2rem;
  max-width: 200px;
  opacity: 0.98;
}

.logo__mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(145deg, var(--brand), var(--brand-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.logo__text {
  line-height: 1.1;
  font-size: 1.15rem;
}

.logo__mark .icon {
  color: #fff;
  width: 1.5rem;
  height: 1.5rem;
}

/* Inline SVG icon sprite (use) */
.icon {
  display: block;
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  color: currentColor;
}

.icon--sm {
  width: 1em;
  height: 1em;
}

.icon--md {
  width: 1.25rem;
  height: 1.25rem;
}

.icon--lg {
  width: 1.5rem;
  height: 1.5rem;
}

.icon--xl {
  width: 2.25rem;
  height: 2.25rem;
}

.icon--2xl {
  width: 3.25rem;
  height: 3.25rem;
}

.eyebrow--with-icon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow--with-icon .icon {
  color: var(--accent);
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  line-height: 0;
  cursor: pointer;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

.nav-toggle__open,
.nav-toggle__close {
  display: block;
}

.nav-toggle__close {
  display: none;
}

.nav-toggle--open .nav-toggle__open {
  display: none;
}

.nav-toggle--open .nav-toggle__close {
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav a .icon {
  opacity: 0.85;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--bg);
  color: var(--brand);
}

.nav .btn--sm {
  margin-left: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.35rem;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn--primary {
  background: linear-gradient(145deg, var(--brand), #075985);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn--primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  background: var(--bg-card);
  color: var(--brand);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Layout */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section--tight {
  padding-top: 2rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-light);
  margin: 0 0 0.5rem;
}

/* Preserve uPVC spelling inside title-cased headings */
.brand-upvc {
  text-transform: none;
}

h1,
h2,
h3 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: normal;
  margin: 0 0 0.5rem;
  font-variant-numeric: lining-nums;
  text-transform: capitalize;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 2.65rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 2.75vw, 1.95rem);
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0c4a6e 0%, #0e7490 45%, #155e75 100%);
  color: #fff;
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
}

.hero:not(.hero--parallax)::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0V0z' fill='none'/%3E%3Cpath d='M0 0l60 60M60 0L0 60' stroke='rgba(255%2C255%2C255%2C0.06)' stroke-width='1'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero .container {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.78fr);
    gap: clamp(1.5rem, 4vw, 2.75rem);
  }
}

.hero__text {
  min-width: 0;
}

.hero__text .lead {
  color: rgba(255, 255, 255, 0.88);
  max-width: min(56ch, 100%);
  margin: 0 0 1.75rem;
}

@media (min-width: 900px) {
  .hero__text .lead {
    max-width: min(72ch, 100%);
  }
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero__ctas {
    flex-wrap: nowrap;
  }

  .hero__ctas .btn {
    flex: 0 1 auto;
    padding: 0.65rem 1.05rem;
    font-size: 0.94rem;
  }
}

.hero .btn--primary {
  background: #fff;
  color: var(--brand);
  box-shadow: var(--shadow-lg);
}

.hero .btn--primary:hover {
  color: #0c2d44;
  filter: none;
}

.hero .btn--ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.hero__visual {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 1.5rem;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero__visual p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 28ch;
}

.hero__frame {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 4/3;
  border: 3px solid rgba(255, 255, 255, 0.5);
  border-radius: 4px;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
}

/* Cards & grid */
.card-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: 100%;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(145deg, #e0f2fe, #f0f9ff);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card__icon .icon--lg {
  color: var(--brand);
}

.section__head {
  max-width: 48ch;
  margin-bottom: 2rem;
}

.section__head .lead {
  margin-top: 0.5rem;
}

.muted {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(90deg, var(--brand) 0%, #0e7490 100%);
  color: #fff;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  text-align: center;
  border-radius: 0;
}

.cta-band h2 {
  color: #fff;
  margin: 0 auto 0.5rem;
}

.cta-band__headline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cta-band p {
  margin: 0 0 1.25rem;
  opacity: 0.92;
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn--primary {
  background: #fff;
  color: var(--brand);
}

.cta-band .btn--primary:hover {
  color: #0c2d44;
}

/* Product strip */
.product-strip {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .product-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .product-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card__media {
  aspect-ratio: 16/10;
  background: linear-gradient(160deg, #e0f2fe, #f8fafc);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card__media .icon--xl,
.product-card__media .icon--2xl {
  color: var(--brand);
  opacity: 0.9;
}

.product-card__body {
  padding: 1.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__body h3 {
  margin: 0 0 0.4rem;
}

.product-card__body p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.product-card__link {
  font-weight: 600;
  text-decoration: none;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.product-card__link .icon {
  transition: transform 0.2s;
}

.product-card__link:hover {
  text-decoration: underline;
}

.product-card__link:hover .icon {
  transform: translateX(2px);
}

/* Footer */
.site-footer {
  background: #111418;
  color: #a8b0bc;
  padding: 2.5rem 0 2rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: #c9d0da;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.site-footer h3 {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
  font-family: var(--font);
}

.site-footer p {
  margin: 0;
  line-height: 1.5;
}

.footer__title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer__title .icon--sm {
  color: #8b95a3;
  flex-shrink: 0;
}

.footer__line {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.footer__line:last-of-type {
  margin-bottom: 0;
}

.footer__line .icon--sm {
  color: #8b95a3;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.site-footer__icons {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.site-footer__icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: #2a2f36;
  color: #c9d0da;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.site-footer__icons a:hover {
  background: #3d4450;
  color: #fff;
}

.site-footer__bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #2a2f36;
  text-align: center;
  font-size: 0.85rem;
}

/* Page header (inner pages) */
.page-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #fff 100%);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0 2rem;
}

.page-hero h1 {
  margin-bottom: 0.5rem;
}

/* Article / product */
.article {
  max-width: 65ch;
}

.article p {
  margin: 0 0 1.1rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.25rem;
}

.breadcrumb .icon--sm {
  color: var(--text-muted);
  margin-top: 0.1rem;
  flex-shrink: 0;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb > span:last-child {
  color: var(--text);
  font-weight: 500;
}

/* Contact form */
.form {
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.form label .icon {
  color: var(--brand);
  flex-shrink: 0;
  opacity: 0.9;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}

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

/* Mobile nav */
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0;
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.75rem 0.5rem;
    border-radius: 8px;
  }

  .nav .btn--sm {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }
}

/* Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center {
  text-align: center;
}

/* Long product / technical pages */
.product-detail {
  max-width: 48rem;
  margin: 0 auto;
}

.product-detail h2 {
  font-size: 1.45rem;
  margin-top: 2.5rem;
  margin-bottom: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.product-detail h2:first-of-type,
.product-detail > .lede + h2,
.product-lede + h2,
.product-toc + h2,
.product-cta + h2 {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.product-detail h3 {
  font-size: 1.1rem;
  margin-top: 1.35rem;
  margin-bottom: 0.45rem;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0;
}

.product-lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 1.5rem;
}

.product-callout {
  background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.product-callout strong {
  color: var(--text);
}

.map-embed {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: 1.1rem;
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: clamp(260px, 48vw, 440px);
  background: #e2e8f0;
}

.map-embed__banner {
  flex: 0 0 auto;
  margin: 0;
  padding: 0.55rem 0.75rem;
  font-size: clamp(0.78rem, 2.1vw, 0.95rem);
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-wrap: balance;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--border);
}

.map-embed__banner-text {
  display: inline-block;
  max-width: 36rem;
}

.map-embed__frame {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  background: #e2e8f0;
}

.map-embed__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.map-embed__link {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
}

.map-embed__link a {
  color: var(--brand-light);
  font-weight: 600;
  text-decoration: none;
}

.map-embed__link a:hover {
  text-decoration: underline;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.1rem;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--brand-light);
  box-shadow: 0 0 0 2px #e0f2fe;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 0.75rem 0 1.25rem;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.spec-table {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.spec-table th,
.spec-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.spec-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text);
  width: 38%;
  white-space: nowrap;
}

.spec-table tr:last-child td,
.spec-table tr:last-child th {
  border-bottom: none;
}

.spec-table .note-row td {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: #fafbfc;
}

.subtle-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.5rem 0 0;
  line-height: 1.5;
}

.product-cta {
  background: var(--text);
  color: #e8eaef;
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  margin: 2.5rem 0 0;
  text-align: center;
}

.product-cta h2 {
  border: none;
  color: #fff;
  font-size: 1.35rem;
  margin: 0 0 0.4rem;
  padding: 0;
  font-family: var(--font);
}

.product-cta p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: #b0b8c4;
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
}

.product-cta .btn--primary {
  background: #fff;
  color: var(--text);
  box-shadow: none;
}

.product-cta .btn--primary:hover {
  color: var(--text);
  filter: none;
  background: #f0f2f5;
}

article code,
.product-detail code,
.lead code {
  font-size: 0.88em;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
  background: #eef1f5;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  color: var(--text);
}

.hero .lead code {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* ECO product catalog (products.html) */
.eco-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.eco-jump a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
  color: var(--text);
}

.eco-jump a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.eco-cat {
  margin-bottom: 2.75rem;
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}

.eco-cat h2 {
  font-size: 1.4rem;
  margin: 0 0 0.35rem;
  font-family: var(--font);
  color: var(--text);
}

.eco-cat__sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  max-width: 52ch;
}

.eco-line-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .eco-line-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .eco-line-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.eco-line-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.eco-line-card h3 {
  font-size: 1.05rem;
  font-family: var(--font);
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.eco-line-card__meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-light);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.eco-line-card p {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

.eco-line-card a.eco-line-card__link {
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.eco-line-card a.eco-line-card__link:hover {
  text-decoration: underline;
}

.catalog-divider {
  margin: 2.5rem 0 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.catalog-divider h2 {
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
  font-family: var(--font);
}

/* —— International / reference layout —— */
.top-mast {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.top-mast__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.45rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}
.top-mast__link {
  color: #7dd3fc;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.top-mast__link:hover {
  color: #fff;
  text-decoration: underline;
}

.trust-strip {
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.trust-strip__row {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem 1.25rem;
  align-items: start;
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.trust-strip__row strong {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}

.hero__brandmark {
  width: 100%;
  max-width: 280px;
  height: auto;
  opacity: 0.95;
  margin-bottom: 0.75rem;
}

.ref-archive {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 70vh;
  overflow: auto;
  padding: 1.25rem 1.4rem;
  background: #0d1117;
  color: #e6edf3;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.ref-archive--tall {
  max-height: min(85vh, 56rem);
}

.section--specs {
  padding-top: 2rem;
}

.page-hero-inner {
  margin-bottom: 1.5rem;
}

.page-hero-inner h1 {
  margin-bottom: 0.35rem;
}

/* —— Motion & parallax (respect reduced motion) —— */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal--visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(0.85rem);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  .reveal-stagger.reveal-stagger--visible > *:nth-child(1) {
    transition-delay: 0.05s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(2) {
    transition-delay: 0.1s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(3) {
    transition-delay: 0.15s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(4) {
    transition-delay: 0.2s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(5) {
    transition-delay: 0.25s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(6) {
    transition-delay: 0.3s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(7) {
    transition-delay: 0.35s;
  }
  .reveal-stagger.reveal-stagger--visible > *:nth-child(8) {
    transition-delay: 0.4s;
  }

  .reveal-stagger.reveal-stagger--visible > * {
    opacity: 1;
    transform: translateY(0);
  }

  .hero--motion .hero__bg-blob {
    animation: heroBlob 14s ease-in-out infinite alternate;
  }

  .hero--motion .hero__grid {
    animation: heroGridDrift 22s linear infinite;
  }

  .float-soft {
    animation: floatSoft 7s ease-in-out infinite;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .hero__bg-photo,
  .parallax-band__bg {
    will-change: auto;
  }
}

@keyframes heroBlob {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(-4%, 3%) scale(1.06);
  }
}

@keyframes heroGridDrift {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-12px);
  }
}

@keyframes floatSoft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Parallax hero */
.hero--parallax {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #0a2540;
}

.hero--parallax .hero__parallax-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__bg-photo {
  position: absolute;
  inset: -18% -8%;
  background-color: #0c4a6e;
  background-image: var(--hero-parallax-image);
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  transform: scale(1.14) translate3d(0, 0, 0);
  transform-origin: center center;
  will-change: transform;
}

.hero__bg-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    125deg,
    rgba(6, 28, 42, 0.94) 0%,
    rgba(8, 70, 92, 0.82) 42%,
    rgba(12, 74, 90, 0.78) 70%,
    rgba(4, 40, 55, 0.88) 100%
  );
  pointer-events: none;
}

.hero--parallax .hero__grid {
  z-index: 2;
}

.hero--parallax .hero__bg-blob {
  z-index: 2;
}

.hero__photo-credit {
  position: absolute;
  bottom: 0.65rem;
  right: 1rem;
  z-index: 3;
  margin: 0;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.03em;
  pointer-events: none;
}

.hero__photo-credit a {
  pointer-events: auto;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
}

.hero__photo-credit a:hover {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
}

.hero__bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
}

.hero__bg-blob--1 {
  width: min(55vw, 420px);
  height: min(55vw, 420px);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.9) 0%, transparent 70%);
  top: -10%;
  right: -5%;
}

.hero__bg-blob--2 {
  width: min(45vw, 360px);
  height: min(45vw, 360px);
  background: radial-gradient(circle, rgba(14, 165, 233, 0.55) 0%, transparent 70%);
  bottom: -15%;
  left: -8%;
}

.hero__grid {
  position: absolute;
  inset: -20%;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h80v80H0z' fill='none'/%3E%3Cpath d='M0 40h80M40 0v80' stroke='rgba(255%2C255%2C255%2C0.07)' stroke-width='1'/%3E%3C/svg%3E");
  opacity: 0.35;
  transform: translateZ(0);
}

.hero--parallax .container {
  position: relative;
  z-index: 2;
}

.hero__brandmark--hero {
  max-width: min(320px, 88vw);
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.25));
}

/* Stats strip — one row on desktop; 2×2 on narrow screens */
.stats-strip {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: stretch;
  gap: clamp(0.65rem, 2vw, 1rem);
  margin-top: 2rem;
}

@media (min-width: 720px) {
  .stats-strip {
    flex-wrap: nowrap;
  }
}

@media (max-width: 719px) {
  .stats-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-pill {
  flex: 1 1 0;
  min-width: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  padding: 1rem 0.85rem;
  text-align: center;
  backdrop-filter: blur(8px);
}

@media (min-width: 720px) {
  .stat-pill {
    padding: 1rem 0.75rem;
  }
}

.stat-pill__value {
  font-family: var(--font);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: -0.02em;
}

.stat-pill__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 0.35rem;
  line-height: 1.35;
}

/* USP grid (8) */
.usp-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .usp-grid--8 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .usp-grid--8 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.usp-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.usp-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.usp-tile__icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(145deg, #e0f2fe, #f0f9ff);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.usp-tile h3 {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  letter-spacing: 0.01em;
}

.usp-tile p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Category overview */
.cat-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

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

@media (min-width: 1100px) {
  .cat-grid--5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.cat-card__head {
  padding: 1rem 1.15rem;
  background: linear-gradient(135deg, #0c4a6e 0%, #155e75 100%);
  color: #fff;
}

.cat-card__head h3 {
  font-family: var(--font);
  font-size: 1.05rem;
  margin: 0 0 0.25rem;
  color: #fff;
}

.cat-card__meta {
  font-size: 0.75rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cat-card__body {
  padding: 1.1rem 1.15rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  flex: 1;
}

.cat-card__body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.cat-card__body li {
  margin-bottom: 0.35rem;
}

.cat-card__foot {
  padding: 0 1.15rem 1.1rem;
}

/* Parallax bands — surface band: 1× (2400px) + 2× (3200px) via image-set for retina / 4K */
.parallax-band {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 12vw, 7.5rem) 0;
  min-height: min(62vh, 820px);
  color: #fff;
}

.parallax-band__bg {
  position: absolute;
  inset: -28% -8% -28% -8%;
  background-color: #0f172a;
  background-image: url("../images/bg2-surface.jpg");
  background-image: -webkit-image-set(
    url("../images/bg2-surface.webp") 1x,
    url("../images/bg2-surface@2x.webp") 2x
  );
  background-image: image-set(
    url("../images/bg2-surface.webp") type("image/webp") 1x,
    url("../images/bg2-surface@2x.webp") type("image/webp") 2x,
    url("../images/bg2-surface.jpg") type("image/jpeg") 1x,
    url("../images/bg2-surface@2x.jpg") type("image/jpeg") 2x
  );
  background-size: cover;
  background-position: 38% 48%;
  background-repeat: no-repeat;
  transform: translate3d(0, 0, 0) scale(1);
  transform-origin: center center;
  will-change: transform;
  backface-visibility: hidden;
}

.parallax-band__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  /* Readable type on the left; open, vivid coating line toward the right */
  background:
    radial-gradient(ellipse 125% 85% at 70% 42%, transparent 0%, rgba(15, 23, 42, 0.18) 100%),
    linear-gradient(
      100deg,
      rgba(15, 23, 42, 0.84) 0%,
      rgba(15, 23, 42, 0.42) 36%,
      rgba(8, 51, 68, 0.18) 56%,
      rgba(6, 95, 120, 0.32) 100%
    );
  pointer-events: none;
}

.parallax-band__credit {
  position: absolute;
  bottom: 0.75rem;
  right: 1.25rem;
  z-index: 4;
  margin: 0;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.parallax-band__credit a {
  pointer-events: auto;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.parallax-band__credit a:hover {
  color: #fff;
  text-decoration: underline;
}

.parallax-band .container {
  position: relative;
  z-index: 3;
}

.parallax-band .section__head {
  max-width: 44rem;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 1.85rem);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(15, 23, 42, 0.36);
  backdrop-filter: blur(8px) saturate(1.15);
  -webkit-backdrop-filter: blur(8px) saturate(1.15);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.25),
    0 0 0 1px rgba(125, 211, 252, 0.06);
}

.parallax-band h2 {
  color: #fff;
}

.parallax-band .lead {
  color: rgba(255, 255, 255, 0.92);
}

/* Stakeholder cards */
.stake-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .stake-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .stake-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stake-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stake-card h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  font-family: var(--font);
}

.stake-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Stock locations */
.loc-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .loc-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.loc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.loc-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
}

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

/* Blog teaser */
.blog-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 800px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.blog-teaser {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.blog-teaser:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.blog-teaser .eyebrow {
  margin-bottom: 0.35rem;
}

.blog-teaser h3 {
  color: var(--brand);
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.blog-teaser p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Comparison / data tables (positioning page) */
.compare-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.compare-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.compare-table th,
.compare-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  background: var(--bg);
  font-weight: 600;
}

.compare-table .col-meta {
  width: 22%;
  white-space: nowrap;
}

/* Article prose pages */
.prose-page {
  max-width: 48rem;
  margin: 0 auto;
}

.prose-page h2 {
  margin-top: 2.25rem;
}

.prose-page h2:first-child {
  margin-top: 0;
}

.prose-page .lead {
  max-width: none;
}

.site-header--scrolled {
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

.form--wide {
  max-width: 640px;
}

.form .form__row2 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .form .form__row2 {
    grid-template-columns: 1fr 1fr;
  }
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.social-row a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: #2a2f36;
  color: #c9d0da;
  text-decoration: none;
}

.social-row a:hover {
  background: #3d4450;
  color: #fff;
}