/* ==========================================================================
   Advanced Window Shutters - mockup stylesheet
   Implements 03-design/design-system.md. Industrial, flat, square corners.
   Display: Archivo Narrow. Body: IBM Plex Sans.
   ========================================================================== */

/* --------------------------------------------------------------------------
   12. Consolidated :root
   -------------------------------------------------------------------------- */
:root {
  /* ---- type ---- */
  --font-display: "Archivo Narrow", "Arial Narrow", "Helvetica Neue Condensed", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --fs-display: 4.5rem;
  --fs-h1: 3.25rem;
  --fs-h2: 2.25rem;
  --fs-h3: 1.625rem;
  --fs-h4: 1.25rem;
  --fs-h5: 1.0625rem;
  --fs-h6: 0.9375rem;
  --fs-lead: 1.25rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-xs: 0.8125rem;
  --fs-overline: 0.875rem;

  /* ---- spacing ---- */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* ---- layout ---- */
  --container-max: 1200px;
  --container-pad: var(--space-5);
  --grid-gap: var(--space-5);

  /* ---- surfaces ---- */
  --bg: #FBFAF8;
  --surface: #FFFFFF;
  --surface-alt: #F4F1EC;
  --surface-dark: #23262A;
  --surface-dark-2: #2E3338;

  /* ---- text ---- */
  --ink: #23262A;
  --ink-2: #3C424A;
  --muted: #8A9097;
  --ink-invert: #FBFAF8;
  --muted-invert: #B9BEC4;

  /* ---- lines ---- */
  --line: #B9BEC4;
  --line-2: #D7DBDF;
  --line-dark: #3C424A;

  /* ---- accent ---- */
  --accent: #F2B705;
  --accent-hover: #C99303;
  --accent-ink: #8A6602;
  --on-accent: #23262A;

  /* ---- status ---- */
  --success: #2E7D52;
  --error: #B3261E;

  /* ---- effects ---- */
  --shadow-nav: 0 1px 0 0 var(--line-2);
  --focus-ring: #1B6FE3;

  --radius: 0;

  /* motion */
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   10. Reset and root
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; border-radius: 0; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--accent-ink); }
a:hover { color: var(--ink); }
ul, ol { list-style-position: inside; }
:target { scroll-margin-top: 90px; }

/* --------------------------------------------------------------------------
   2.6 / 2.7 Type scale + responsive drops + heading defaults
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  :root { --fs-display: 3.75rem; --fs-h1: 2.75rem; --fs-h2: 2rem; }
}
@media (max-width: 768px) {
  :root {
    --fs-display: 3rem; --fs-h1: 2.25rem; --fs-h2: 1.75rem;
    --fs-h3: 1.4375rem; --fs-lead: 1.125rem;
  }
}
@media (max-width: 480px) {
  :root {
    --fs-display: 2.4rem; --fs-h1: 1.9375rem; --fs-h2: 1.5rem;
    --fs-h3: 1.3125rem; --fs-lead: 1.0625rem; --fs-body: 1rem; --fs-small: 0.875rem;
  }
}
@media (max-width: 360px) {
  :root { --fs-display: 2.05rem; --fs-h1: 1.75rem; --fs-h2: 1.375rem; }
}

h1, h2, h3 { font-family: var(--font-display); color: var(--ink); }
h1 { font-size: var(--fs-h1); font-weight: 700; line-height: 1.02; letter-spacing: -0.015em; }
h2 { font-size: var(--fs-h2); font-weight: 700; line-height: 1.08; letter-spacing: -0.01em; }
h3 { font-size: var(--fs-h3); font-weight: 600; line-height: 1.15; letter-spacing: -0.005em; }
h4, h5, h6 { font-family: var(--font-body); color: var(--ink); }
h4 { font-size: var(--fs-h4); font-weight: 600; line-height: 1.25; }
h5 { font-size: var(--fs-h5); font-weight: 600; line-height: 1.3; }
h6 { font-size: var(--fs-h6); font-weight: 700; line-height: 1.3; letter-spacing: 0.01em; }

p { font-size: var(--fs-body); line-height: 1.65; max-width: 68ch; }
.lead { font-size: var(--fs-lead); line-height: 1.6; max-width: 60ch; color: var(--ink-2); }
small, .small { font-size: var(--fs-small); }
.overline {
  font-family: var(--font-display);
  font-size: var(--fs-overline);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: block;
}

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--wide { max-width: 1360px; }
.container--narrow { max-width: 760px; }

@media (max-width: 480px) { :root { --container-pad: var(--space-4); } }

.section { padding-block: var(--space-9); }
.section--sand { background: var(--surface-alt); }
.section--dark { background: var(--surface-dark); color: var(--ink-invert); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--ink-invert); }
.section--dark .overline { color: var(--accent); }
.section--dark p { color: var(--muted-invert); }
.section--dark .lead { color: var(--muted-invert); }
@media (max-width: 768px) { .section { padding-block: var(--space-7); } }

.section__head { max-width: 60ch; margin-bottom: var(--space-7); }
.section__head p { margin-top: var(--space-4); color: var(--ink-2); }
.section--dark .section__head p { color: var(--muted-invert); }
.flow > * + * { margin-top: var(--space-4); }
.text-center { text-align: center; }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }

hr { border: 0; border-top: 1px solid var(--line); margin: var(--space-7) 0; }

/* --------------------------------------------------------------------------
   7. Signature motif - The Slat Edge
   -------------------------------------------------------------------------- */
.slat-mark {
  display: flex; flex-direction: column; gap: 2px; width: 28px;
  margin-bottom: var(--space-3);
}
.slat-mark i { display: block; height: 3px; background: var(--ink); }
.slat-mark i:nth-child(1) { background: var(--accent); width: 100%; }
.slat-mark i:nth-child(2) { width: 80%; }
.slat-mark i:nth-child(3) { width: 60%; }
.section--dark .slat-mark i { background: var(--muted-invert); }
.section--dark .slat-mark i:nth-child(1) { background: var(--accent); }

.slat-divider {
  height: 25px;
  width: 100%;
  border: 0;
  border-top: 4px solid var(--accent);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--line) 0, var(--line) 1px,
    transparent 1px, transparent 6px
  );
}

/* --------------------------------------------------------------------------
   9. Accessibility - skip link, focus, reduced motion
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute; left: var(--space-4); top: -60px; z-index: 200;
  background: var(--ink); color: var(--ink-invert);
  padding: var(--space-3) var(--space-4); text-decoration: none; font-weight: 600;
  transition: top 120ms var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------------------
   8.1 Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease-out);
}
.site-header[data-scrolled="true"] { border-bottom: 1px solid var(--line-2); }
.site-header .container {
  display: flex; align-items: center; gap: var(--space-6); min-height: 76px;
}
.site-header[data-scrolled="true"] .container { min-height: 64px; }
.site-logo { display: inline-flex; align-items: center; }
.site-logo img { height: 40px; width: auto; display: block; transition: height 160ms var(--ease-out); }
.site-header[data-scrolled="true"] .site-logo img { height: 34px; }

.nav { display: flex; gap: var(--space-5); margin-left: auto; }
.nav a {
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 var(--space-1); position: relative;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 14px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 160ms var(--ease-out);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-phone {
  font-family: var(--font-display); font-weight: 700; font-size: 1.125rem;
  letter-spacing: -0.01em; color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px;
}
.header-phone:hover { color: var(--accent-ink); }
.header-phone svg { width: 20px; height: 20px; }
.header-actions { display: inline-flex; align-items: center; gap: var(--space-4); }
.header-call-icon { display: none; }

.nav-toggle { display: none; }

@media (max-width: 767.98px) {
  .nav, .site-header .header-actions .btn--primary, .header-phone.desktop { display: none; }
  .header-actions { margin-left: auto; }
  .header-call-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; color: var(--ink);
    border: 1px solid var(--line); text-decoration: none;
  }
  .header-call-icon svg { width: 22px; height: 22px; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px;
    background: transparent; border: 1px solid var(--line); cursor: pointer;
    flex-direction: column; gap: 5px;
  }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); }
}

#mobile-nav {
  position: fixed; inset: 76px 0 0 0; background: var(--bg);
  padding: var(--space-5); display: none; flex-direction: column; gap: var(--space-2);
  border-top: 1px solid var(--line-2); overflow-y: auto; z-index: 99;
}
#mobile-nav[data-open="true"] { display: flex; }
#mobile-nav a {
  min-height: 52px; display: flex; align-items: center;
  font-size: 1.125rem; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid var(--line-2); text-decoration: none;
}
#mobile-nav a:hover { color: var(--accent-ink); }
#mobile-nav .mobile-nav__contact {
  border-bottom: 0; min-height: 48px; font-size: 1.0625rem; gap: var(--space-2);
}
#mobile-nav hr { width: 100%; margin: var(--space-3) 0; }
#mobile-nav .btn { margin-top: var(--space-4); width: 100%; }

/* mobile slide-in transition */
@media (prefers-reduced-motion: no-preference) {
  #mobile-nav { transform: translateX(8px); opacity: 0; transition: transform 200ms var(--ease-out), opacity 200ms var(--ease-out); }
  #mobile-nav[data-open="true"] { transform: translateX(0); opacity: 1; }
}

/* --------------------------------------------------------------------------
   8.1 Sticky mobile call bar
   -------------------------------------------------------------------------- */
.mobile-callbar { display: none; }
@media (max-width: 767.98px) {
  .mobile-callbar {
    display: grid; grid-template-columns: 1fr 1fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    border-top: 1px solid var(--line);
  }
  .mobile-callbar a {
    min-height: 52px; display: flex; align-items: center; justify-content: center;
    gap: var(--space-2); font-weight: 700; text-decoration: none;
  }
  .mobile-callbar a:first-child { background: var(--surface-dark); color: var(--ink-invert); }
  .mobile-callbar a:last-child { background: var(--accent); color: var(--on-accent); }
  .mobile-callbar svg { width: 20px; height: 20px; }
  body { padding-bottom: 52px; }
}

/* --------------------------------------------------------------------------
   8.3 Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-h: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--btn-h); padding: 0 var(--space-5);
  font-family: var(--font-body); font-weight: 600; font-size: 1rem; line-height: 1;
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  border-radius: 0;
  transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out),
              border-color 140ms var(--ease-out), transform 140ms var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 20px; height: 20px; }
.btn--primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); color: var(--on-accent); border-color: var(--accent-hover); }
.btn--secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--secondary:hover { background: var(--ink); color: var(--ink-invert); }
.btn--dark { background: var(--ink); color: var(--ink-invert); border-color: var(--ink); }
.btn--dark:hover { background: var(--surface-dark-2); color: var(--ink-invert); border-color: var(--surface-dark-2); }
.btn--ghost-invert { background: transparent; color: var(--ink-invert); border-color: var(--muted-invert); }
.btn--ghost-invert:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.btn[aria-disabled="true"], .btn:disabled {
  background: var(--line-2); color: var(--muted); border-color: var(--line-2); cursor: not-allowed;
}
@media (max-width: 480px) { .btn { width: 100%; } .hero__cta .btn { width: 100%; } }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* arrow link */
.arrow-link {
  font-weight: 600; text-decoration: none; color: var(--accent-ink);
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px;
  position: relative;
}
.arrow-link span.txt { position: relative; }
.arrow-link span.txt::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 160ms var(--ease-out);
}
.arrow-link:hover { color: var(--ink); }
.arrow-link:hover span.txt::after { transform: scaleX(1); }
.arrow-link svg { width: 18px; height: 18px; transition: transform 160ms var(--ease-out); }
.arrow-link:hover svg { transform: translateX(3px); }
.section--dark .arrow-link { color: var(--accent); }
.section--dark .arrow-link:hover { color: var(--ink-invert); }

/* --------------------------------------------------------------------------
   8.2 Hero
   -------------------------------------------------------------------------- */
.hero { background: var(--bg); padding-block: var(--space-9); }
.hero .container { display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--space-8); align-items: center; }
.hero__title {
  font-family: var(--font-display); font-weight: 700; font-size: var(--fs-display);
  line-height: 0.96; letter-spacing: -0.02em; color: var(--ink);
  margin: var(--space-3) 0 var(--space-4);
}
.hero__sub { font-size: var(--fs-lead); line-height: 1.6; color: var(--ink-2); max-width: 46ch; }
.hero__cta { display: flex; gap: var(--space-4); margin-top: var(--space-6); flex-wrap: wrap; }
.hero__media { position: relative; }
.hero__media img { width: 100%; height: auto; display: block; border: 1px solid var(--line); }
.hero__media::after {
  content: ""; position: absolute; left: -12px; bottom: 24px; width: 64px; height: 40px;
  background:
    linear-gradient(var(--accent), var(--accent)) left 0/64px 6px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left 10px/52px 6px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left 20px/40px 6px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left 30px/28px 6px no-repeat;
}
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero__media { order: -1; }
  .hero__media::after { left: 0; }
}

/* compact hero used on inner pages */
.page-hero { background: var(--bg); padding-block: var(--space-8) var(--space-7); }
.page-hero__title { margin: var(--space-3) 0 var(--space-4); }
.page-hero .lead { color: var(--ink-2); }
.breadcrumb { font-size: var(--fs-small); color: var(--muted); margin-bottom: var(--space-4); }
.breadcrumb a { color: var(--ink-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-ink); }
.breadcrumb span[aria-current] { color: var(--ink); }

/* jump links */
.jump-links {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-3);
  margin-top: var(--space-6); border-top: 1px solid var(--line-2); padding-top: var(--space-5);
}
.jump-links a {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-small);
  letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none;
  color: var(--ink); border: 1px solid var(--line);
  padding: 0 var(--space-4); min-height: 44px; display: inline-flex; align-items: center;
  transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out), border-color 140ms var(--ease-out);
}
.jump-links a:hover { background: var(--ink); color: var(--ink-invert); border-color: var(--ink); }

/* --------------------------------------------------------------------------
   8.4 Feature / service cards
   -------------------------------------------------------------------------- */
.cards { display: grid; gap: var(--grid-gap); grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1079.98px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 559.98px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent);
  padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3);
  transition: border-color 140ms var(--ease-out), box-shadow 140ms var(--ease-out);
}
.card:hover { border-color: var(--ink); box-shadow: inset 0 4px 0 -1px var(--ink); }
.card__icon { width: 32px; height: 32px; color: var(--accent-ink); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h3); color: var(--ink); }
.card__body { font-size: var(--fs-body); color: var(--ink-2); line-height: 1.6; }

/* --------------------------------------------------------------------------
   8.5 Product / category cards (slat profiles)
   -------------------------------------------------------------------------- */
.product-grid { display: grid; gap: var(--grid-gap); grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1079.98px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 559.98px) { .product-grid { grid-template-columns: 1fr; } }

.product-card { background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; }
.product-card img {
  width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; display: block;
  border-bottom: 1px solid var(--line);
}
.product-card__body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; }
.product-card__body h3 { margin-bottom: var(--space-2); }
.product-card__tag {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-small);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink);
}
.product-card__spec {
  font-family: var(--font-mono); font-size: var(--fs-small); color: var(--muted);
  display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); margin: var(--space-3) 0;
  border-top: 1px solid var(--line-2); padding-top: var(--space-3); list-style: none;
}
.product-card__spec li { display: inline-flex; }
.product-card__spec b { color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   Detail list (benefits, controls)
   -------------------------------------------------------------------------- */
.detail-list { list-style: none; display: grid; gap: var(--space-5); }
.detail-list--2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 768px) { .detail-list--2 { grid-template-columns: 1fr; } }
.detail-list li {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  padding: var(--space-5);
}
.detail-list li h3, .detail-list li h4 { margin-bottom: var(--space-2); }
.detail-list li p { color: var(--ink-2); }

/* numbered steps */
.steps { list-style: none; display: grid; gap: var(--grid-gap); grid-template-columns: repeat(3, 1fr); counter-reset: step; }
@media (max-width: 768px) { .steps { grid-template-columns: 1fr; } }
.steps li { background: var(--surface); border: 1px solid var(--line); padding: var(--space-6); position: relative; }
.steps li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-weight: 700; font-size: 2.5rem;
  color: var(--accent); line-height: 1; display: block; margin-bottom: var(--space-3);
}
.steps li h3 { margin-bottom: var(--space-2); }
.steps li p { color: var(--ink-2); }

/* --------------------------------------------------------------------------
   8.7 Reviews
   -------------------------------------------------------------------------- */
.rating-band { background: var(--surface-dark); color: var(--ink-invert); text-align: center; padding-block: var(--space-8); }
.rating-band .overline { color: var(--accent); }
.rating-band__stars { display: inline-flex; gap: 4px; justify-content: center; margin: var(--space-4) 0; }
.rating-band__stars svg { width: 28px; height: 28px; fill: var(--accent); }
.rating-band__count { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h1); color: var(--ink-invert); line-height: 1; }
.rating-band__label { color: var(--muted-invert); font-size: var(--fs-lead); margin-top: var(--space-3); }
.rating-band p { margin-inline: auto; }

.stars { display: inline-flex; gap: 3px; }
.stars svg { fill: var(--accent); }

/* --------------------------------------------------------------------------
   8.10 Path cards (residential vs commercial)
   -------------------------------------------------------------------------- */
.path-cards { display: grid; grid-template-columns: 1fr 1fr; gap: var(--grid-gap); }
@media (max-width: 559.98px) { .path-cards { grid-template-columns: 1fr; } }
.path-card { position: relative; display: block; border: 1px solid var(--line); overflow: hidden; text-decoration: none; }
.path-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; display: block; transition: transform 200ms var(--ease-out); }
.path-card:hover img { transform: scale(1.03); }
.path-card__label {
  position: absolute; left: 0; bottom: 0; background: var(--surface-dark); color: var(--ink-invert);
  font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h3);
  padding: var(--space-3) var(--space-5); border-top: 3px solid var(--accent);
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}
.path-card:hover .path-card__label { background: var(--accent); color: var(--on-accent); }
.path-card:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }

/* --------------------------------------------------------------------------
   8.11 Trust strip / logo band
   -------------------------------------------------------------------------- */
.trust-strip { background: var(--surface-alt); border-block: 1px solid var(--line); padding-block: var(--space-5); }
.trust-strip ul {
  display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6);
  align-items: center; justify-content: center; list-style: none;
}
.trust-strip li {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-small);
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-2);
  display: inline-flex; align-items: center; gap: var(--space-3);
}
.trust-strip li::before { content: ""; width: 8px; height: 8px; background: var(--accent); display: inline-block; }
.trust-strip li:first-child::before { display: none; }

.logo-band ul { display: flex; flex-wrap: wrap; gap: var(--space-5) var(--space-7); align-items: center; justify-content: center; list-style: none; }
.logo-band img { height: 34px; width: auto; filter: grayscale(1); opacity: 0.7; transition: filter 140ms var(--ease-out), opacity 140ms var(--ease-out); }
.logo-band img:hover { filter: grayscale(0); opacity: 1; }

/* --------------------------------------------------------------------------
   8.12 FAQ accordion
   -------------------------------------------------------------------------- */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: var(--space-4) 0;
  font-family: var(--font-body); font-weight: 600; font-size: var(--fs-h4); color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); min-height: 44px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-display); font-size: 1.5rem; color: var(--accent-ink); flex-shrink: 0; }
.faq details[open] summary::after { content: "\2013"; }
.faq summary:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.faq__answer { padding-bottom: var(--space-5); color: var(--ink-2); line-height: 1.65; }
.faq__answer p { color: var(--ink-2); }

/* --------------------------------------------------------------------------
   Projects grid
   -------------------------------------------------------------------------- */
.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); }
@media (max-width: 1079.98px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 479.98px) { .project-grid { grid-template-columns: 1fr; } }
.project-tile { position: relative; border: 1px solid var(--line); background: var(--surface); overflow: hidden; }
.project-tile img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; transition: transform 200ms var(--ease-out); }
.project-tile:hover img { transform: scale(1.04); }
.project-tile__label {
  position: absolute; left: 0; bottom: 0; right: 0;
  background: var(--surface-dark); color: var(--ink-invert);
  font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem;
  padding: var(--space-2) var(--space-4); border-top: 3px solid var(--accent);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-2);
}
.project-tile__tag { font-family: var(--font-body); font-size: var(--fs-xs); font-weight: 500; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; }

/* marquee project (two big jobs) */
.marquee-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--grid-gap); }
@media (max-width: 768px) { .marquee-grid { grid-template-columns: 1fr; } }
.marquee-card { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); padding: var(--space-7); }
.marquee-card .overline { margin-bottom: var(--space-3); }
.marquee-card h3 { margin-bottom: var(--space-3); }
.marquee-card p { color: var(--ink-2); }

/* --------------------------------------------------------------------------
   Team grid
   -------------------------------------------------------------------------- */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--grid-gap); }
@media (max-width: 768px) { .team-grid { grid-template-columns: 1fr; } }
.team-card { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: var(--space-6); }
.team-card h3 { margin-bottom: var(--space-1); }
.team-card .role { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-small); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: var(--space-3); display: block; }
.team-card p { color: var(--ink-2); }

/* --------------------------------------------------------------------------
   8.9 Forms
   -------------------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-8); align-items: start; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; gap: var(--space-7); } }

.contact-details { list-style: none; display: grid; gap: var(--space-5); }
.contact-details li { display: flex; gap: var(--space-4); align-items: flex-start; }
.contact-details svg { width: 24px; height: 24px; color: var(--accent-ink); flex-shrink: 0; margin-top: 2px; }
.contact-details .label { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-small); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); display: block; }
.contact-details a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 1.125rem; }
.contact-details a:hover { color: var(--accent-ink); }
.contact-details .val { color: var(--ink); font-weight: 600; font-size: 1.0625rem; }
.contact-details li > div { display: flex; flex-direction: column; gap: var(--space-1); }
.contact-details li > div .label { margin-bottom: var(--space-1); }
.contact-details li > div a { display: inline-flex; align-items: center; min-height: 36px; align-self: flex-start; }

.form-card { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); padding: var(--space-7); }
@media (max-width: 480px) { .form-card { padding: var(--space-5); } }
.form { display: grid; gap: var(--space-5); max-width: 560px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: var(--space-2); }
.field label { font-weight: 600; font-size: var(--fs-small); color: var(--ink); }
.field .req { color: var(--error); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 0;
  padding: 0 var(--space-4); min-height: 48px; width: 100%;
}
.field textarea { padding-block: var(--space-3); min-height: 120px; resize: vertical; line-height: 1.5; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 3px solid var(--focus-ring); outline-offset: 0; border-color: var(--ink);
}
.field input:invalid:not(:placeholder-shown) { border-color: var(--error); }
.field .help { color: var(--muted); font-size: var(--fs-xs); }
.form__reassure { color: var(--ink-2); font-size: var(--fs-small); }
.form__success { border-left: 4px solid var(--success); background: var(--surface-alt); padding: var(--space-5); color: var(--ink); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* map */
.map-frame { border: 1px solid var(--line); width: 100%; aspect-ratio: 16 / 7; display: block; }
@media (max-width: 600px) { .map-frame { aspect-ratio: 4 / 3; } }

/* --------------------------------------------------------------------------
   CTA bands
   -------------------------------------------------------------------------- */
.cta-band { background: var(--surface-dark); color: var(--ink-invert); }
.cta-band .container { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-7); align-items: center; }
@media (max-width: 768px) { .cta-band .container { grid-template-columns: 1fr; gap: var(--space-5); } }
.cta-band h2 { color: var(--ink-invert); }
.cta-band p { color: var(--muted-invert); margin-top: var(--space-3); }
.cta-band .overline { color: var(--accent); }
.cta-band__actions { display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
@media (max-width: 768px) { .cta-band__actions { align-items: stretch; } }
.cta-band__call { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h3); color: var(--accent); text-decoration: none; display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; }
.cta-band__call:hover { color: var(--ink-invert); }
.cta-band__call svg { width: 24px; height: 24px; }

/* --------------------------------------------------------------------------
   8.8 Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--surface-dark); color: var(--ink-invert); padding-block: var(--space-8) var(--space-5); }
.site-footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-7); }
.footer-brand img { height: 38px; width: auto; margin-bottom: var(--space-4); }
.footer-brand p { color: var(--muted-invert); line-height: 1.7; max-width: 38ch; }
.footer-social { margin-top: var(--space-4); display: inline-flex; align-items: center; gap: var(--space-2); color: var(--ink-invert); text-decoration: none; min-height: 44px; font-weight: 600; }
.footer-social:hover { color: var(--accent); }
.footer-social svg { width: 22px; height: 22px; }
.site-footer h2 { font-family: var(--font-body); font-size: var(--fs-h6); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: var(--space-4); }
.site-footer ul { list-style: none; }
.site-footer a { color: var(--ink-invert); text-decoration: none; display: inline-flex; min-height: 36px; align-items: center; }
.site-footer a:hover { color: var(--accent); }
.site-footer p, .site-footer address { color: var(--muted-invert); font-style: normal; line-height: 1.7; }
.footer-contact address { margin-bottom: var(--space-4); }
.footer-contact .btn { width: 100%; }
.footer-base {
  border-top: 1px solid var(--line-dark); margin-top: var(--space-7); padding-top: var(--space-5);
  display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
  color: var(--muted-invert); font-size: var(--fs-small);
}
.footer-base a { color: var(--muted-invert); min-height: auto; display: inline; }
.footer-base a:hover { color: var(--accent); }
.footer-base__links { display: inline-flex; gap: var(--space-5); flex-wrap: wrap; }
@media (max-width: 1079.98px) { .site-footer .container { grid-template-columns: 1fr 1fr; } }
@media (max-width: 559.98px) { .site-footer .container { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Scroll reveal (one effect, opt-in, reduced-motion disables it)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(8px); transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out); }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   9. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .nav a::after { transition: none; }
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   9.1 Print
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .mobile-callbar, .nav-toggle, .hero__cta, .form, .slat-divider, #mobile-nav { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; padding-bottom: 0; }
  a { color: #000; text-decoration: underline; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
  .section--dark, .site-footer, .cta-band, .rating-band { background: #fff !important; color: #000 !important; }
  .section--dark h1, .section--dark h2, .section--dark h3,
  .site-footer h2, .cta-band h2 { color: #000 !important; }
  .card, .product-card, .project-tile { border: 1px solid #999; break-inside: avoid; }
}