/**
 * Aluminium Plus — Workshop Precision design system
 */

:root {
  --color-graphite: #15181C;
  --color-charcoal: #242830;
  --color-ink: #2A2E36;
  --color-silver: #A8ADB6;
  --color-aluminium: #6F757E;
  --color-paper: #F3F1EC;
  --color-paper-deep: #E8E4DC;
  --color-white: #FFFFFF;
  --color-bronze: #C47A2C;
  --color-bronze-hover: #A8641F;
  --color-bronze-soft: rgba(196, 122, 44, 0.12);
  --color-success: #1B7A3D;
  --color-error: #B42318;
  --color-rule: rgba(21, 24, 28, 0.12);
  --color-rule-strong: rgba(21, 24, 28, 0.22);

  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Figtree', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --nav-height: 84px;
  --sticky-bar-height: 64px;
  --container: 1180px;
  --radius: 4px;
  --section-y: 5rem;
  --section-y-sm: 3.25rem;
  --shadow: 0 1px 0 var(--color-rule), 0 8px 24px rgba(21, 24, 28, 0.06);
  --shadow-nav: 0 10px 40px rgba(21, 24, 28, 0.12);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1rem);
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-graphite);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

body.has-sticky-bar {
  padding-bottom: calc(var(--sticky-bar-height) + env(safe-area-inset-bottom));
}

@media (min-width: 768px) {
  body.has-sticky-bar { padding-bottom: 0; }
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-bronze); transition: color var(--transition); }
a:hover { color: var(--color-bronze-hover); }
button, input, select, textarea { font: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--color-bronze);
  color: white;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius) var(--radius);
}
.skip-link:focus { top: 0; }
:focus-visible { outline: 2px solid var(--color-bronze); outline-offset: 2px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding: var(--section-y-sm) 0;
}
@media (min-width: 768px) {
  .section { padding: var(--section-y) 0; }
}
.section-alt { background: var(--color-white); }
.section-dark {
  background: var(--color-graphite);
  color: var(--color-paper);
}
.section-dark .section-label { color: var(--color-bronze); }
.section-dark .section-lead { color: var(--color-silver); }
.section-dark h2 { color: var(--color-white); }

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  color: var(--color-graphite);
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--color-aluminium);
  max-width: 38rem;
  margin: 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-rule);
}
.section-head .section-heading { margin-bottom: 0; }

.grid-2 {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .grid-2 { grid-template-columns: 1fr 1fr; align-items: center; gap: 3rem; }
}
.grid-3 {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 700px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.grid-4 {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled, .btn[aria-busy="true"] {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}
.btn-primary {
  background: var(--color-bronze);
  color: white;
  border-color: var(--color-bronze);
}
.btn-primary:hover {
  background: var(--color-bronze-hover);
  border-color: var(--color-bronze-hover);
  color: white;
}
.btn-dark {
  background: var(--color-graphite);
  color: white;
  border-color: var(--color-graphite);
}
.btn-dark:hover { background: var(--color-charcoal); color: white; }
.btn-outline {
  background: transparent;
  color: var(--color-graphite);
  border-color: var(--color-rule-strong);
}
.btn-outline:hover {
  border-color: var(--color-bronze);
  color: var(--color-bronze);
}
.btn-outline-light {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.45);
}
.btn-outline-light:hover {
  border-color: white;
  color: white;
  background: rgba(255,255,255,0.06);
}
.btn-whatsapp {
  background: #1DA851;
  color: white;
  border-color: #1DA851;
}
.btn-whatsapp:hover { background: #178F45; color: white; }
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-bronze);
  text-decoration: none;
}
.btn-link:hover { gap: 0.55rem; color: var(--color-bronze-hover); }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* Cards */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: 1.5rem; }
.card:hover { border-color: var(--color-rule-strong); }

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-lg { width: 1.75rem; height: 1.75rem; }
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  color: var(--color-bronze);
  background: var(--color-bronze-soft);
  margin-bottom: 1rem;
}

/* Nav — floating island */
.site-header {
  position: relative;
  z-index: 1000;
  height: var(--nav-height);
}
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.75rem 0 0;
  transition: padding var(--transition);
}
.site-nav.is-scrolled { padding-top: 0.5rem; }
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: 0.55rem 0.85rem 0.55rem 1rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid rgba(21, 24, 28, 0.08);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(21, 24, 28, 0.06);
  transition: box-shadow var(--transition), background var(--transition), border-radius var(--transition);
}
.site-nav.is-scrolled .nav-shell {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-nav);
}
.nav-inner {
  height: auto;
  display: block;
}
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img { height: 34px; width: auto; }
@media (min-width: 768px) { .logo-img { height: 38px; } }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.15rem;
  padding: 0.2rem;
  background: rgba(21, 24, 28, 0.04);
  border-radius: 999px;
}
@media (min-width: 1024px) { .nav-desktop { display: flex; } }

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-graphite);
  text-decoration: none;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border-bottom: none;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover {
  color: var(--color-bronze);
  background: rgba(196, 122, 44, 0.1);
}
.nav-link.active {
  color: white;
  background: var(--color-graphite);
  border-bottom-color: transparent;
}
.nav-actions {
  display: none;
  align-items: center;
  gap: 0.55rem;
}
@media (min-width: 1024px) { .nav-actions { display: flex; } }
.nav-phone {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-graphite);
  text-decoration: none;
  white-space: nowrap;
  padding: 0.35rem 0.5rem;
}
.nav-phone:hover { color: var(--color-bronze); }
.nav-socials {
  display: none;
  align-items: center;
  gap: 0.35rem;
}
@media (min-width: 1200px) { .nav-socials { display: flex; } }

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  border: 1px solid var(--color-rule);
  color: var(--color-graphite);
  background: var(--color-white);
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.social-icon:hover {
  transform: translateY(-2px);
  color: white;
  background: var(--color-graphite);
  border-color: var(--color-graphite);
}
.social-icon .icon { width: 1rem; height: 1rem; }
.social-icon-instagram:hover { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366); border-color: transparent; }
.social-icon-facebook:hover { background: #1877F2; border-color: #1877F2; }
.social-icon-linkedin:hover { background: #0A66C2; border-color: #0A66C2; }
.social-icon-tiktok:hover { background: #010101; border-color: #010101; }
.social-icon-youtube:hover { background: #FF0000; border-color: #FF0000; }
.social-icon-whatsapp:hover { background: #25D366; border-color: #25D366; }
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.social-row-footer .social-icon {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
  color: white;
}
.footer-social-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin: 1.25rem 0 0.65rem;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.45rem;
  background: var(--color-paper-deep);
  border: 1px solid var(--color-rule);
  border-radius: 50%;
  cursor: pointer;
}
@media (min-width: 1024px) { .hamburger { display: none; } }
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-graphite);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: calc(var(--nav-height) + 0.25rem);
  left: 0.75rem;
  right: 0.75rem;
  bottom: auto;
  max-height: calc(100vh - var(--nav-height) - 1.5rem);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  padding: 1.25rem;
  border-radius: 1.25rem;
  border: 1px solid var(--color-rule);
  box-shadow: var(--shadow-nav);
  transform: translateY(-12px) scale(0.98);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  z-index: 999;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-menu.is-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }
.mobile-menu .nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0.75rem;
  font-size: 1.05rem;
  border-radius: 0.75rem;
  border-bottom: none;
}
.mobile-menu .nav-link.active {
  background: var(--color-graphite);
  color: white;
}
.mobile-menu .btn { margin-top: 0.75rem; }
.mobile-menu-socials {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-rule);
}

/* Sticky mobile CTA bar */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 980;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--color-rule);
  border-top: 1px solid var(--color-rule-strong);
  padding-bottom: env(safe-area-inset-bottom);
}
.sticky-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.65rem 0.5rem;
  background: var(--color-graphite);
  color: white;
  text-decoration: none;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.sticky-bar a:hover { color: white; background: var(--color-charcoal); }
.sticky-bar a.sticky-quote { background: var(--color-bronze); }
.sticky-bar a.sticky-quote:hover { background: var(--color-bronze-hover); }
.sticky-bar.is-hidden { display: none; }
@media (min-width: 768px) { .sticky-bar { display: none; } }

/* Hero */
.hero {
  position: relative;
  min-height: clamp(540px, 86vh, 720px);
  display: flex;
  align-items: stretch;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: var(--color-graphite);
  color: white;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.1s ease;
  z-index: 0;
}
.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurns 18s ease-in-out infinite alternate;
}
.hero-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 0.45rem;
}
.hero-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.55);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.hero-dot.is-active {
  background: var(--color-bronze);
  border-color: var(--color-bronze);
  transform: scale(1.15);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(105deg, rgba(21,24,28,0.92) 0%, rgba(21,24,28,0.72) 48%, rgba(21,24,28,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 3rem 0 3.5rem;
}
@media (min-width: 960px) {
  .hero-content {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    padding: 4rem 0 4.5rem;
  }
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: 1rem;
  display: block;
}
.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  color: white;
  margin-bottom: 1.25rem;
  max-width: 14ch;
}
.hero-lead {
  color: var(--color-silver);
  font-size: 1.0625rem;
  max-width: 34rem;
  margin: 0 0 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-silver);
  letter-spacing: 0.04em;
}
.hero-form {
  background: var(--color-white);
  color: var(--color-graphite);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}
.hero-form h2 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}
.hero-form p {
  font-size: 0.875rem;
  color: var(--color-aluminium);
  margin: 0 0 1.25rem;
}

/* Page hero */
.page-hero {
  padding: calc(var(--nav-height) + 2.5rem) 0 2.5rem;
  background: var(--color-graphite);
  color: white;
  border-bottom: 3px solid var(--color-bronze);
}
.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: white;
  margin-bottom: 0.75rem;
}
.page-hero p {
  color: var(--color-silver);
  max-width: 40rem;
  margin: 0;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-silver);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--color-silver); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-bronze); }
.breadcrumb-sep { opacity: 0.5; }

/* Product cards */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}
.product-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-paper-deep);
  position: relative;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.03); }
.product-card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}
.product-card p {
  font-size: 0.9375rem;
  color: var(--color-aluminium);
  margin: 0 0 1rem;
  flex: 1;
}
.img-caption {
  position: absolute;
  left: 0.5rem;
  bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(21,24,28,0.75);
  color: white;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius);
}

/* Spec blocks */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin: 1rem 0;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-rule);
  vertical-align: top;
}
.spec-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-aluminium);
  width: 32%;
  padding-right: 1rem;
}

.product-detail {
  display: grid;
  gap: 2rem;
  padding: 2rem;
}
@media (min-width: 860px) {
  .product-detail {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
  }
  .product-detail.is-reverse { direction: rtl; }
  .product-detail.is-reverse > * { direction: ltr; }
}
.product-detail-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-paper-deep);
  position: relative;
  border-radius: var(--radius);
}
.product-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.feature-list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.9375rem;
  color: var(--color-aluminium);
  margin-bottom: 0.5rem;
}
.feature-list .icon { color: var(--color-bronze); margin-top: 0.15rem; }

/* Process / steps */
.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
}
.step {
  position: relative;
  padding-top: 0.5rem;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-bronze);
  margin-bottom: 0.75rem;
}
.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.step p {
  font-size: 0.9375rem;
  color: var(--color-aluminium);
  margin: 0;
}

/* Projects */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-aluminium);
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  cursor: pointer;
}
.filter-btn:hover,
.filter-btn.active {
  color: white;
  background: var(--color-graphite);
  border-color: var(--color-graphite);
}
.project-card { overflow: hidden; }
.project-card.is-hidden { display: none; }
.project-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--color-paper-deep);
  cursor: pointer;
  border: none;
  padding: 0;
  width: 100%;
  display: block;
}
.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-card-img img { transform: scale(1.03); }
.project-card-body { padding: 1.15rem; }
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bronze);
  background: var(--color-bronze-soft);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
}
.project-card h3 { font-size: 1.2rem; margin: 0.5rem 0 0.25rem; }
.project-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-aluminium);
  margin-bottom: 0.5rem;
}
.project-card p {
  font-size: 0.875rem;
  color: var(--color-aluminium);
  margin: 0;
}

/* Lightbox */
.lightbox {
  padding: 0;
  border: none;
  max-width: min(960px, 94vw);
  background: transparent;
}
.lightbox::backdrop { background: rgba(21,24,28,0.85); }
.lightbox-inner {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
}
.lightbox-inner img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  background: var(--color-graphite);
}
.lightbox-caption {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
}
.lightbox-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: var(--radius);
  background: rgba(21,24,28,0.7);
  color: white;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

/* FAQ */
.faq-list { border-top: 1px solid var(--color-rule); }
.faq-item { border-bottom: 1px solid var(--color-rule); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-graphite);
  cursor: pointer;
}
.faq-q:hover { color: var(--color-bronze); }
.faq-q .icon { transition: transform var(--transition); flex-shrink: 0; }
.faq-q[aria-expanded="true"] .icon { transform: rotate(180deg); }
.faq-a {
  display: none;
  padding: 0 0 1.25rem;
  color: var(--color-aluminium);
  font-size: 0.9875rem;
}
.faq-a.is-open { display: block; }
.faq-answer-first {
  color: var(--color-graphite);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.form-label .req { color: var(--color-error); }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--color-white);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius);
  color: var(--color-graphite);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-bronze);
  box-shadow: 0 0 0 3px var(--color-bronze-soft);
}
.form-input.is-error,
.form-select.is-error { border-color: var(--color-error); }
.form-error {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.3rem;
}
.form-error.is-visible { display: block; }
.form-alert {
  display: none;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}
.form-alert.is-success {
  display: block;
  background: rgba(27,122,61,0.1);
  color: var(--color-success);
  border: 1px solid rgba(27,122,61,0.3);
}
.form-alert.is-error {
  display: block;
  background: rgba(180,35,24,0.08);
  color: var(--color-error);
  border: 1px solid rgba(180,35,24,0.3);
}
.form-row {
  display: grid;
  gap: 1rem;
}
@media (min-width: 640px) {
  .form-row-2 { grid-template-columns: 1fr 1fr; }
}
.form-hint {
  font-size: 0.8125rem;
  color: var(--color-aluminium);
  margin-top: 0.25rem;
}

/* Quote builder */
.qb-layout {
  display: grid;
  gap: 2rem;
}
@media (min-width: 960px) {
  .qb-layout { grid-template-columns: 1.4fr 0.8fr; align-items: start; }
}
.qb-line {
  border: 1px solid var(--color-rule);
  background: var(--color-white);
  padding: 1.25rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
}
.qb-line-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-rule);
}
.qb-line-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bronze);
}
.qb-remove {
  background: none;
  border: none;
  color: var(--color-error);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem;
}
.qb-dims {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 0.5rem;
  align-items: end;
}
.qb-dims .unit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-aluminium);
  padding-bottom: 0.85rem;
}
.qb-summary {
  position: sticky;
  top: calc(var(--nav-height) + 1rem);
  padding: 1.5rem;
}
.qb-summary h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.qb-totals {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  margin: 1rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}
.qb-totals strong {
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  margin-top: 0.5rem;
  color: var(--color-graphite);
}
.qb-empty {
  color: var(--color-aluminium);
  font-size: 0.9375rem;
  padding: 1rem 0;
}

/* Finish swatches */
.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}
.swatch {
  width: 3.5rem;
  text-align: center;
}
.swatch-chip {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-rule-strong);
  margin-bottom: 0.35rem;
}
.swatch span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--color-aluminium);
}
.swatch-anodised { background: linear-gradient(135deg, #C8CCD2, #8E9399, #B8BCC4); }
.swatch-bronze { background: linear-gradient(135deg, #C47A2C, #8B5A2B); }
.swatch-white { background: #F7F7F5; }
.swatch-black { background: #1A1A1A; }
.swatch-charcoal { background: #3A3F46; }

/* Guides */
.guide-diagram {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.guide-diagram svg { width: 100%; height: auto; max-width: 480px; margin: 0 auto; display: block; }
.callout {
  border-left: 3px solid var(--color-bronze);
  background: var(--color-bronze-soft);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}
.callout strong { display: block; margin-bottom: 0.25rem; }

/* Contact cards */
.contact-card {
  display: flex;
  gap: 1rem;
  padding: 1.15rem;
  align-items: flex-start;
}
.contact-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.contact-card a, .contact-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-aluminium);
  text-decoration: none;
}
.contact-card a:hover { color: var(--color-bronze); }

/* CTA band */
.cta-band {
  background: var(--color-graphite);
  color: white;
  padding: 4rem 0;
  text-align: center;
  border-top: 3px solid var(--color-bronze);
}
.cta-band h2 {
  color: white;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin-bottom: 0.75rem;
}
.cta-band p {
  color: var(--color-silver);
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-silver);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 1rem 0 0;
  max-width: 22rem;
}
.footer-brand .logo-img {
  filter: brightness(0) invert(1);
  opacity: 0.92;
}
.footer-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1rem;
}
.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-list li { margin-bottom: 0.5rem; }
.footer-list a {
  color: var(--color-silver);
  text-decoration: none;
  font-size: 0.9375rem;
}
.footer-list a:hover { color: var(--color-bronze); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.875rem;
}
.footer-bottom a { color: var(--color-bronze); text-decoration: none; }

.scroll-top {
  position: fixed;
  bottom: calc(var(--sticky-bar-height) + 1rem + env(safe-area-inset-bottom));
  right: 1rem;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bronze);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  z-index: 970;
}
.scroll-top.is-visible { opacity: 1; visibility: visible; }
@media (min-width: 768px) {
  .scroll-top { bottom: 1.5rem; }
}

/* Cookie / consent */
.consent-banner {
  position: fixed;
  bottom: calc(var(--sticky-bar-height) + 0.75rem + env(safe-area-inset-bottom));
  left: 0.75rem;
  right: 0.75rem;
  z-index: 990;
  background: var(--color-white);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
  display: none;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
@media (min-width: 768px) {
  .consent-banner {
    bottom: 1.25rem;
    left: auto;
    right: 1.25rem;
    max-width: 420px;
  }
}
.consent-banner.is-visible { display: flex; }
.consent-banner p {
  font-size: 0.875rem;
  margin: 0;
  flex: 1;
  min-width: 12rem;
  color: var(--color-aluminium);
}
.consent-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Placeholder notice */
.placeholder-banner {
  background: #FFF4E5;
  border-bottom: 1px solid #F0D9B0;
  color: #6B4A12;
  font-size: 0.8125rem;
  padding: 0.55rem 1rem;
  text-align: center;
}
.placeholder-banner strong { font-weight: 700; }

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.text-muted { color: var(--color-aluminium); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.stack-sm > * + * { margin-top: 0.75rem; }
.stack > * + * { margin-top: 1.25rem; }
.flex-gap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.prose p { margin: 0 0 1rem; color: var(--color-aluminium); }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--color-graphite); }
.mono { font-family: var(--font-mono); }
.divider {
  height: 1px;
  background: var(--color-rule);
  border: none;
  margin: 2rem 0;
}

@media (max-width: 639px) {
  :root { --nav-height: 76px; }
  .container { padding-left: 1rem; padding-right: 1rem; }
  .nav-shell {
    border-radius: 1.25rem;
    padding-left: 0.75rem;
  }
  .hero-actions .btn,
  .cta-actions .btn { width: 100%; }
  .qb-dims { grid-template-columns: 1fr auto; }
  .qb-dims .unit:nth-child(2) { grid-column: 2; }
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-left: -1rem;
    margin-right: -1rem;
    padding: 0 1rem 0.25rem;
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; }
}

html, body { overflow-x: clip; }

/* Motion & interactivity */
@keyframes kenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes fadeUpIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes iconBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-3px) rotate(-4deg); }
}

.marquee-bar {
  background: var(--color-graphite);
  color: var(--color-silver);
  overflow: hidden;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marqueeScroll 38s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.marquee-track .dot { color: var(--color-bronze); }
.marquee-bar:hover .marquee-track { animation-play-state: paused; }

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

.card {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(21, 24, 28, 0.1);
}
.product-card .icon-wrap,
.card .icon-wrap {
  animation: floatY 4.5s ease-in-out infinite;
}
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}
.btn-primary:hover::after { transform: translateX(120%); }

.icon-wrap:hover { animation: iconBob 0.6s ease; }

.hero-form {
  animation: fadeUpIn 0.9s ease both;
  animation-delay: 0.15s;
}
.hero-copy-animate {
  animation: fadeUpIn 0.8s ease both;
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide img,
  .marquee-track,
  .product-card .icon-wrap,
  .card .icon-wrap,
  .hero-form,
  .hero-copy-animate {
    animation: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}