/* Business Alliance — reference-aligned monochrome CRE */
:root {
  --ink: #0b4c74;
  --ink-soft: #3d5f73;
  --ink-muted: #6b8394;
  --paper: #ffffff;
  --canvas: #f4f7f9;
  --line: #dce4ea;
  --badge: #8a9dad;
  --deep: #062137;
  --gold: #ffb81c;
  --radius-xl: 32px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: 1200px;
  --header-top-h: 1.75rem;
  --header-h: 56px;
  --header-total-h: calc(var(--header-top-h) + var(--header-h));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

@media (max-width: 960px) {
  .container {
    width: min(100% - 2rem, var(--container));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .map-wrap {
    aspect-ratio: 4 / 3;
    min-height: 220px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

.section {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.section-heading {
  margin: 0 0 1.25rem;
  font-size: clamp(1.875rem, 3.2vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section-lead {
  margin: 0;
  max-width: 28ch;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-top {
  background: linear-gradient(90deg, var(--deep), var(--ink));
  color: var(--paper);
  font-size: 0.6875rem;
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-top-h);
  padding-block: 0.2rem;
}

.header-top__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.header-top__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
  transition: color 0.2s var(--ease);
}

.header-top__link:hover {
  color: var(--gold);
}

.header-top__icon {
  width: 0.8rem;
  height: 0.8rem;
  flex-shrink: 0;
  opacity: 0.9;
}

.header-top__social {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-top__social a {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.1);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.header-top__social a:hover {
  background: var(--gold);
  color: var(--deep);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
  padding-block: 0.35rem;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.15rem);
  margin-left: auto;
}

.logo img {
  height: 32px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-muted);
  transition: color 0.2s var(--ease);
}

.nav--primary a {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav--primary a.is-active,
.nav--primary a:hover,
.nav--primary a:focus-visible {
  color: var(--deep);
  font-weight: 800;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}

.btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.btn.btn--quote {
  flex-shrink: 0;
  padding: 0.45rem 0.95rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--deep);
  background: var(--gold);
  box-shadow: 0 2px 10px rgba(255, 184, 28, 0.28);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s;
}

.btn.btn--quote:hover {
  background: #e5a816;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 184, 28, 0.38);
}

.btn--hero {
  background: var(--paper);
  color: var(--ink);
}

.btn--hero:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.btn--primary {
  background: var(--ink);
  color: var(--paper);
}

.btn--gold {
  background: var(--gold);
  color: var(--ink);
}

.btn--primary:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
}

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

/* Hero — full-bleed rounded banner with overlay */
.hero {
  padding-block: 0.75rem 0;
}

.hero__banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: clamp(520px, 52vw, 620px);
  isolation: isolate;
}

.hero__slides {
  position: relative;
  min-height: inherit;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.65s var(--ease);
  z-index: 0;
}

.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(6, 33, 55, 0.82) 0%,
    rgba(6, 33, 55, 0.62) 48%,
    rgba(6, 33, 55, 0.22) 68%,
    rgba(6, 33, 55, 0.05) 85%
  );
}

.hero__content {
  position: absolute;
  z-index: 2;
  left: 0;
  right: auto;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2.5rem, 5vw, 3.75rem) clamp(2.5rem, 6vw, 4.5rem);
  width: min(100%, 64rem);
  max-width: 82%;
  color: var(--paper);
  box-sizing: border-box;
}

.hero__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn--hero-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn--hero-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero__nav {
  position: absolute;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: var(--paper);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  transition: background 0.2s var(--ease), border-color 0.2s;
  backdrop-filter: blur(6px);
}

.hero__arrow:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.55);
}

.hero__dots {
  display: flex;
  gap: 0.4rem;
}

.hero__dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.hero__dot.is-active {
  background: var(--gold);
  transform: scale(1.15);
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 4.8vw, 3.35rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  max-width: 24ch;
}

.hero__text {
  margin: 0 0 2rem;
  font-size: clamp(0.9375rem, 1.65vw, 1.0625rem);
  line-height: 1.65;
  opacity: 0.94;
  max-width: none;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about-figure {
  margin: 0 0 1.5rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(6, 33, 55, 0.12);
}

.about-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.about-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  max-width: 44ch;
}

.standards-matrix {
  align-self: center;
  width: 100%;
}

.standards-matrix__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.standards-matrix__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: #b8c9d4;
  border: 1px solid rgba(11, 76, 116, 0.22);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.standards-matrix__cell {
  background: var(--canvas);
  padding: clamp(1.25rem, 3vw, 1.65rem) clamp(1.35rem, 3vw, 1.75rem);
  position: relative;
}

.standards-matrix__cell:nth-child(-n + 2)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--gold);
}

.standards-matrix__region {
  margin: 0 0 0.5rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.standards-matrix__code {
  margin: 0;
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.35;
}

.standards-panel {
  width: 100%;
  border-radius: var(--radius-xl);
  background: var(--deep);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: 0 16px 40px rgba(6, 33, 55, 0.18);
}

.standards-panel__eyebrow {
  margin: 0 0 1.15rem;
  text-align: left;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.standards-panel__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.standards-panel__cell {
  position: relative;
  background: var(--ink);
  padding: clamp(1.2rem, 2.5vw, 1.65rem) clamp(1rem, 2vw, 1.5rem);
  text-align: left;
}

.standards-panel__region {
  margin: 0 0 0.45rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.standards-panel__code {
  margin: 0;
  font-size: clamp(0.95rem, 1.7vw, 1.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
  line-height: 1.3;
}

@media (max-width: 900px) {
  .standards-panel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .standards-panel__grid {
    grid-template-columns: 1fr;
  }
}

.stat__value {
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat__label {
  margin: 0.65rem 0 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

/* Partners */
.partners {
  padding-block: 2rem 2.5rem;
  border-block: 1px solid var(--line);
}

.partners__track {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-block: 0.25rem;
}

.partners__track::-webkit-scrollbar {
  display: none;
}

.partner-logo {
  flex: 0 0 auto;
  height: 28px;
  width: auto;
  opacity: 0.9;
  filter: grayscale(1);
  scroll-snap-align: center;
}

/* Catalog */
.catalog-layout {
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem 3rem;
  align-items: start;
}

.catalog-intro {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.catalog-stage {
  grid-column: 2;
  grid-row: 1 / span 2;
  min-width: 0;
}

.catalog__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 1.5rem;
}

.filter-btn {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.filter-btn.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.catalog__viewport {
  overflow: hidden;
}

.catalog__track {
  display: flex;
  gap: 1rem;
  transition: transform 0.45s var(--ease);
}

.property-card {
  flex: 0 0 calc((100% - 2rem) / 3);
  min-width: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4.15;
  transition: transform 0.35s var(--ease);
}

.property-card:hover {
  transform: translateY(-3px);
}

.property-card__img {
  position: absolute;
  inset: 0;
}

.property-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

.property-card:hover .property-card__img img {
  transform: scale(1.03);
}

.property-card__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.65) 100%);
  pointer-events: none;
}

.property-card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem 1.35rem;
  color: var(--paper);
  z-index: 1;
}

.property-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.property-card__meta {
  margin: 0;
  font-size: 0.8125rem;
  opacity: 0.85;
}

.carousel-nav {
  display: flex;
  gap: 0.65rem;
  margin-top: 1.25rem;
  justify-content: flex-end;
}

.carousel-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  line-height: 1;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.carousel-btn.is-next:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.carousel-btn:hover:not(:disabled) {
  border-color: var(--ink);
}

.carousel-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* How we work */
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

.process-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 1.5rem;
}

.process-visual img {
  width: 100%;
  aspect-ratio: 4 / 5.2;
  object-fit: cover;
  object-position: center bottom;
}

.vision-panel {
  margin-top: 1.5rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--deep);
  color: var(--paper);
}

.vision-panel .section-heading {
  color: var(--paper);
}

.vision-panel .eyebrow {
  color: var(--gold);
}

.process-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--badge);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.35;
  padding: 0.75rem;
}

.process-steps {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1.15rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.process-step:first-child {
  border-top: 1px solid var(--line);
}

.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.process-step h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.process-step p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
  line-height: 1.55;
  max-width: 40ch;
}

/* Reviews */
#values .section-lead {
  max-width: none;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.review-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.review-card blockquote {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.review-card cite {
  font-style: normal;
  font-size: 0.875rem;
  font-weight: 600;
}

.review-card span {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin-top: 0.2rem;
}

.section--canvas {
  background: var(--canvas);
}

/* Featured */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.featured-item {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.featured-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 200px;
}

.featured-item__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-item__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.featured-item__body p {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

/* Why */
.why-grid {
  display: grid;
  gap: 1rem;
}

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

.why-grid--more {
  grid-template-columns: repeat(6, 1fr);
  margin-top: 1.25rem;
}

.why-grid--more .why-card:nth-child(1),
.why-grid--more .why-card:nth-child(2),
.why-grid--more .why-card:nth-child(3) {
  grid-column: span 2;
}

.why-grid--more .why-card:nth-child(4),
.why-grid--more .why-card:nth-child(5) {
  grid-column: span 3;
}

.why-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.why-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.9875rem;
  font-weight: 600;
}

.why-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

.why-card__num {
  margin: 0 0 0.35rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.why-upvc-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.why-upvc-feature {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 0.42fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: stretch;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(6, 33, 55, 0.06);
}

.why-upvc-feature__copy .catalog-edition {
  margin-bottom: 1.25rem;
}

.why-upvc-feature__copy .why-grid--pair {
  margin-top: 0.25rem;
}

.why-upvc-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(6, 33, 55, 0.12);
  min-height: 100%;
}

.why-upvc-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.why-upvc-feature .why-upvc-visual img {
  height: 100%;
  min-height: 100%;
  aspect-ratio: auto;
}

.catalog-edition {
  margin: 0 0 1.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Applications of uPVC — shared navy panel */
.apps-section {
  padding-block: clamp(2rem, 4vw, 3rem);
}

.apps-panel {
  border-radius: var(--radius-xl);
  background: var(--ink);
  color: var(--paper);
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 3rem);
  box-shadow: 0 8px 32px rgba(11, 76, 116, 0.12);
}

.apps-panel__eyebrow {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.apps-panel__title {
  margin: 0.5rem 0 0;
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--paper);
}

.apps-panel__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.apps-card {
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.apps-card__image {
  width: 100%;
  height: 9rem;
  object-fit: cover;
}

.apps-card__body {
  padding: 1.25rem;
}

.apps-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 700;
}

.apps-card__title {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.apps-card__text {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 960px) {
  .apps-panel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.commitment-panel {
  background: linear-gradient(135deg, var(--deep), var(--ink));
  color: var(--paper);
}

.commitment-panel__inner {
  max-width: none;
  width: min(100% - 3rem, var(--container));
}

.commitment-panel .section-heading,
.commitment-panel .section-lead {
  color: var(--paper);
}

.commitment-panel .section-lead {
  opacity: 0.88;
  max-width: 62ch;
}

.commitment-panel .eyebrow {
  color: var(--gold);
}

.commitment-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.commitment-list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
}

.commitment-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.commitment-promise {
  margin: 1.25rem 0 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold);
}

@media (max-width: 960px) {
  .why-upvc-feature {
    grid-template-columns: 1fr;
  }

  .why-upvc-visual {
    max-width: 28rem;
    min-height: auto;
  }

  .why-upvc-visual img {
    aspect-ratio: 16 / 10;
  }
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 4vw, 3rem);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.contact-info a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--ink-muted);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  font: inherit;
  background: var(--paper);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
  border-color: #c62828;
}

.form-msg {
  font-size: 0.875rem;
  margin: 0;
  min-height: 1.25rem;
}

.form-msg--ok {
  color: #2e7d32;
}

.form-msg--err {
  color: #c62828;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.map-wrap {
  margin-top: 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 21 / 9;
  min-height: 280px;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
.site-footer {
  padding-block: 3rem 2rem;
  background: #020d16;
  color: var(--paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.site-footer .logo img {
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer-brand p {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  max-width: 32ch;
  color: var(--paper);
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.footer-social a {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.footer-social a:hover {
  background: var(--gold);
  color: var(--ink);
}

.footer-social__icon {
  width: 1rem;
  height: 1rem;
}

.footer-credit a {
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-credit a:hover {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.footer-col h4 {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.footer-col a {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6875rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-col a:hover {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--paper);
}

.footer-bottom a {
  color: var(--paper);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: var(--gold);
}

.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s var(--ease);
}

.wa-float:hover {
  transform: scale(1.05);
}

.wa-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

@media (max-width: 960px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .catalog-intro,
  .catalog-stage {
    grid-column: 1;
    grid-row: auto;
  }

  .property-card {
    flex: 0 0 calc((100% - 1rem) / 2);
  }

  .about-grid,
  .process-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    margin-top: 0;
  }

  .reviews-grid,
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-item {
    grid-template-columns: 1fr;
  }

  .why-grid--pair,
  .why-grid--more {
    grid-template-columns: 1fr 1fr;
  }

  .why-grid--more .why-card:nth-child(n) {
    grid-column: span 1;
  }

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

  .partners__track {
    justify-content: flex-start;
    gap: 2.5rem;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .header-top__contact a span:last-child {
    max-width: 10rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-top__link:nth-child(2) {
    display: none;
  }

  .site-header__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .btn--quote {
    display: none;
  }

  .nav.is-open + .btn--quote,
  .site-header__actions:has(.nav.is-open) .btn--quote {
    display: inline-flex;
    justify-content: center;
    margin-top: 0.75rem;
  }

  .nav {
    position: fixed;
    inset: var(--header-total-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--line);
  }

  .hero__content {
    max-width: 100%;
    width: 100%;
  }

  .hero__title {
    max-width: none;
  }

  .standards-matrix__grid {
    grid-template-columns: 1fr;
  }

  .standards-matrix__cell:nth-child(-n + 2)::after {
    display: none;
  }

  .standards-matrix__cell:nth-child(2) {
    border-bottom: 3px solid var(--gold);
  }

  .property-card {
    flex: 0 0 78%;
    aspect-ratio: 3 / 4;
  }

  .form-row,
  .why-grid--pair,
  .why-grid--more,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .why-grid--more .why-card:nth-child(n) {
    grid-column: 1 / -1;
  }
}
