@layer tokens, base, components, utilities;

/* =============================================================
   TOKENS
   ============================================================= */
@layer tokens {
  @font-face {
    font-family: "Archivo";
    src: url("../fonts/archivo-400.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: "Archivo";
    src: url("../fonts/archivo-600.woff2") format("woff2");
    font-weight: 600;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: "Archivo";
    src: url("../fonts/archivo-700.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: "Source Sans 3";
    src: url("../fonts/source-sans-3-400.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: "Source Sans 3";
    src: url("../fonts/source-sans-3-600.woff2") format("woff2");
    font-weight: 600;
    font-style: normal;
    font-display: swap;
  }
  @font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-500.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
  }

  :root {
    --ink: #16181a;
    --concrete: #6e7377;
    --lime: #efebe4;
    --paper: #ffffff;
    --copper: #8b5a3c;
    --copper-dk: #6b4229;
    --sea: #1f4b54;

    --line: rgba(110, 115, 119, 0.25);
    --line-strong: rgba(110, 115, 119, 0.45);

    --display: "Archivo", "Segoe UI", sans-serif;
    --body: "Source Sans 3", "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", "Consolas", monospace;

    --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);

    --container: 1280px;
    --gutter: 24px;
    --radius-card: 4px;
    --radius-btn: 2px;

    --header-h: 84px;
  }

  @media (min-width: 900px) {
    :root { --gutter: 40px; }
  }
}

/* =============================================================
   BASE
   ============================================================= */
@layer base {
  *, *::before, *::after { box-sizing: border-box; margin: 0; }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  body {
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
  }
  img, svg, video { display: block; max-width: 100%; height: auto; }
  button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
  a { color: inherit; text-decoration: none; }
  p { max-width: 68ch; text-wrap: pretty; }
  ul { list-style: none; padding: 0; }
  input, select, textarea { font: inherit; color: inherit; }
  ::selection { background: var(--copper); color: var(--paper); }

  h1, h2, h3, h4 {
    font-family: var(--display);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--ink);
    text-wrap: balance;
  }
  h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
  h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.08; }
  h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); line-height: 1.15; }
  p { font-size: clamp(1rem, 1.15vw, 1.125rem); }

  :focus-visible {
    outline: 2px solid var(--copper);
    outline-offset: 3px;
    border-radius: 2px;
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* =============================================================
   COMPONENTS
   ============================================================= */
@layer components {

  /* --- utilities used broadly --- */
  .container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6em;
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--copper);
  }
  .eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--copper);
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6em;
    padding: 0.9em 1.6em;
    border-radius: var(--radius-btn);
    font-family: var(--body);
    font-weight: 600;
    font-size: 0.98rem;
    transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
    white-space: nowrap;
  }
  .btn-primary { background: var(--copper); color: var(--paper); }
  .btn-primary:hover { background: var(--copper-dk); }
  .btn-outline { border: 1px solid var(--line-strong); color: var(--ink); }
  .btn-outline:hover { border-color: var(--copper); color: var(--copper); }
  .btn-ghost { color: var(--paper); border: 1px solid rgba(255,255,255,0.4); }
  .btn-ghost:hover { border-color: var(--paper); }

  .skip-link {
    position: fixed;
    top: -100px;
    left: 1rem;
    padding: 0.6rem 1rem;
    background: var(--ink);
    color: var(--paper);
    z-index: 9999;
    transition: top 0.2s var(--ease-out);
  }
  .skip-link:focus { top: 1rem; }

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

  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }

  /* --- header --- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 500;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: 100%;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    min-width: 0;
  }
  .brand img { height: 40px; width: auto; flex-shrink: 0; }
  .brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .main-nav { display: none; }
  .main-nav ul { display: flex; align-items: center; gap: 2rem; }
  .main-nav a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    position: relative;
  }
  .main-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -6px;
    height: 2px;
    background: var(--copper);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s var(--ease-out);
  }
  .main-nav a:hover::after { transform: scaleX(1); }
  .header-actions { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--ink); }

  /* --- language dropdown --- */
  .lang-dropdown { position: relative; flex-shrink: 0; }
  .lang-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink);
    border: 1px solid var(--line-strong);
    padding: 0.45em 0.6em;
    white-space: nowrap;
  }
  .lang-dropdown-toggle:hover { border-color: var(--copper); }
  .lang-dropdown-toggle .flag { font-size: 0.95rem; line-height: 1; }
  .lang-dropdown-toggle .caret { font-size: 0.6rem; color: var(--concrete); transition: transform 0.2s var(--ease-out); }
  .lang-dropdown.is-open .lang-dropdown-toggle .caret { transform: rotate(180deg); }
  .lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 170px;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    box-shadow: 0 16px 40px rgba(22,24,26,0.14);
    z-index: 50;
    padding: 0.35rem;
  }
  .lang-dropdown-menu[hidden] { display: none; }
  .lang-dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55em 0.7em;
    font-size: 0.88rem;
  }
  .lang-dropdown-menu li a:hover { background: var(--lime); }
  .lang-dropdown-menu li a[aria-current="true"] { color: var(--copper); font-weight: 700; }
  .lang-dropdown-menu .flag { font-size: 1.05rem; }

  @media (min-width: 1100px) {
    .main-nav { display: block; }
    .nav-toggle { display: none; }
  }

  @media (max-width: 420px) {
    .brand span { display: none; }
    .header-actions { gap: 0.4rem; }
  }

  /* --- mobile menu --- */
  .mobile-menu {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    background: var(--paper);
    z-index: 400;
    padding: 2rem var(--gutter);
    display: none;
    overflow-y: auto;
  }
  .mobile-menu.is-open { display: block; }
  .mobile-menu ul { display: flex; flex-direction: column; gap: 0.25rem; }
  .mobile-menu a {
    display: block;
    padding: 1rem 0;
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 700;
    border-bottom: 1px solid var(--line);
  }
  @media (min-width: 1100px) { .mobile-menu { display: none !important; } }

  /* --- linea de obra --- */
  .linea-obra {
    position: fixed;
    left: 28px;
    top: calc(var(--header-h) + 40px);
    bottom: 120px;
    width: 1px;
    background: var(--line);
    z-index: 50;
    display: none;
  }
  .linea-obra::after {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 1px;
    height: 100%;
    background: var(--copper);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.15s linear;
  }
  .linea-obra.filled::after { transform: scaleY(var(--fill, 0)); }
  .linea-obra-node {
    position: absolute;
    left: -3.5px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .linea-obra-node .dot {
    width: 6px; height: 6px;
    background: var(--paper);
    border: 1px solid var(--concrete);
  }
  .linea-obra-node.active .dot { background: var(--copper); border-color: var(--copper); }
  .linea-obra-node .label {
    font-family: var(--mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--concrete);
    white-space: nowrap;
    transform: translateX(14px);
  }
  .linea-obra-node.active .label { color: var(--ink); }

  .scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background: var(--copper);
    z-index: 600;
    width: 0%;
    transition: width 0.1s linear;
  }

  @media (min-width: 900px) {
    .linea-obra { display: block; }
    main .container { padding-left: calc(var(--gutter) + 96px); }
    main .hero-copy { padding-left: calc(var(--gutter) + 96px); }
  }

  /* --- hero --- */
  .hero {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--lime);
  }
  .hero-copy {
    padding: clamp(2.5rem, 8vw, 6rem) var(--gutter) clamp(2.5rem, 6vw, 4rem);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
  }
  .hero-copy .eyebrow { margin-left: 0; }
  .hero-copy h1 { margin-top: 0.5rem; }
  .hero-copy h1 em {
    font-style: italic;
    color: var(--copper);
  }
  .hero-copy p.lead { color: var(--concrete); max-width: 46ch; }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 0.5rem; }
  .hero-media { position: relative; min-height: 320px; background: var(--ink); }
  .hero-media img, .hero-media video { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
  .hero-media figcaption {
    position: absolute;
    bottom: 1rem; right: 1rem;
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.85);
    background: rgba(22,24,26,0.55);
    padding: 0.3em 0.6em;
  }

  @media (min-width: 900px) {
    .hero { grid-template-columns: 60% 40%; min-height: calc(100vh - var(--header-h)); }
    .hero-media { min-height: 100%; }
  }

  /* --- section shell --- */
  .section { padding-block: clamp(3.5rem, 8vw, 7rem); }
  .section-alt { background: var(--lime); }
  .section-dark { background: var(--ink); color: var(--paper); }
  .section-dark h2, .section-dark h3 { color: var(--paper); }
  .section-dark .eyebrow { color: var(--copper); }
  .section-head { max-width: 62ch; margin-bottom: 3rem; display: flex; flex-direction: column; gap: 1rem; }
  .section-head p { color: var(--concrete); }
  .section-dark .section-head p { color: rgba(255,255,255,0.7); }

  /* --- stat bar --- */
  .stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .stat { border-top: 1px solid var(--line-strong); padding-top: 1rem; }
  .stat .value { font-family: var(--display); font-weight: 700; font-size: clamp(2rem, 4vw, 3rem); color: var(--copper); }
  .stat .label { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--concrete); }
  @media (min-width: 700px) { .stats { grid-template-columns: repeat(4, 1fr); } }

  /* --- logo strip --- */
  .brand-strip { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 3.5rem); align-items: center; justify-content: center; }
  .brand-strip .placeholder-chip {
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--concrete);
    border: 1px dashed var(--line-strong);
    padding: 0.6em 1em;
    filter: grayscale(1);
    opacity: 0.6;
    transition: opacity 0.2s var(--ease-out), filter 0.2s var(--ease-out);
  }
  .brand-strip .placeholder-chip:hover { opacity: 1; filter: grayscale(0); }

  /* --- services grid --- */
  .services-grid { display: grid; grid-template-columns: 1fr; gap: 1px; }
  .service-card {
    background: var(--paper);
    border: 1px solid var(--line-strong);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: background-color 0.2s var(--ease-out);
    margin: -1px 0 0 -1px;
  }
  .service-card:hover { background: var(--lime); }
  .service-card .num { font-family: var(--mono); font-size: 0.75rem; color: var(--copper); }
  .service-card .more { margin-top: auto; font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--copper); }
  @media (min-width: 700px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1100px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

  /* --- pillars --- */
  .pillars { display: grid; grid-template-columns: 1fr; gap: 3rem; }
  .pillar { display: grid; grid-template-columns: 1fr; gap: 1.25rem; align-items: center; }
  .pillar-media { aspect-ratio: 4/3; }
  .pillar .num { font-family: var(--mono); color: var(--copper); font-size: 0.8rem; }
  .pillar.is-differentiator { border: 1px solid var(--copper); padding: 1.5rem; }
  @media (min-width: 800px) {
    .pillar { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .pillar:nth-child(even) .pillar-media { order: 2; }
  }

  /* --- process steps --- */
  .process-list { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line-strong); }
  .process-step {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--line-strong);
  }
  .process-step .num { font-family: var(--mono); color: var(--copper); font-weight: 500; }

  /* --- project cards / filter --- */
  .filter-bar { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.5rem; }
  .filter-btn {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.55em 1.1em;
    border: 1px solid var(--line-strong);
    color: var(--concrete);
  }
  .filter-btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .projects-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
  .project-card { display: block; overflow: hidden; }
  .project-media { aspect-ratio: 4/3; overflow: hidden; position: relative; }
  .project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.2,0.8,0.2,1); }
  .project-card:hover .project-media img { transform: scale(1.04); }
  .project-meta { padding-top: 0.9rem; display: flex; flex-direction: column; gap: 0.25rem; }
  .project-meta .tag { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--copper); }
  .project-meta .count { font-family: var(--mono); font-size: 0.68rem; color: var(--concrete); }
  @media (min-width: 700px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1100px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }

  /* --- placeholder media block --- */
  .media-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
      repeating-linear-gradient(45deg, rgba(110,115,119,0.08) 0 2px, transparent 2px 14px),
      var(--lime);
    border: 1px dashed var(--line-strong);
    color: var(--concrete);
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 1rem;
    width: 100%;
    height: 100%;
  }
  .section-dark .media-placeholder { background: repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0 2px, transparent 2px 14px), #202327; color: rgba(255,255,255,0.55); border-color: rgba(255,255,255,0.2); }

  /* --- before/after slider --- */
  .compare {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    user-select: none;
    touch-action: pan-y;
  }
  .compare .compare-after { position: absolute; inset: 0; }
  .compare .compare-before { position: absolute; inset: 0; overflow: hidden; width: 50%; border-right: 1px solid var(--paper); }
  .compare .compare-before > * { width: 100%; height: 100%; position: absolute; inset: 0; }
  .compare-handle {
    position: absolute;
    top: 0; bottom: 0;
    left: 50%;
    width: 40px;
    margin-left: -20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: ew-resize;
  }
  .compare-handle::before {
    content: "";
    position: absolute;
    top: 0; bottom: 0; left: 50%;
    width: 1px;
    background: var(--paper);
  }
  .compare-handle .grip {
    width: 36px; height: 36px;
    background: var(--copper);
    color: var(--paper);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono);
    font-size: 0.9rem;
    z-index: 2;
  }
  .compare-label { position: absolute; bottom: 0.75rem; font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.3em 0.6em; background: rgba(22,24,26,0.6); color: var(--paper); }
  .compare-label.before { left: 0.75rem; }
  .compare-label.after { right: 0.75rem; }
  .compare-note { margin-top: 0.75rem; font-size: 0.85rem; color: var(--concrete); }

  /* --- example badge --- */
  .example-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--copper-dk);
    background: rgba(139, 90, 60, 0.1);
    border: 1px solid rgba(139, 90, 60, 0.3);
    padding: 0.5em 0.9em;
    margin-bottom: 1rem;
  }

  /* --- fact sheet --- */
  .fact-sheet { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line-strong); }
  .fact-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.85em 0; border-bottom: 1px solid var(--line-strong); }
  .fact-row dt { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--concrete); }
  .fact-row dd { font-weight: 600; text-align: right; }

  /* --- project gallery + lightbox --- */
  .gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .gallery-grid .g-item { aspect-ratio: 4/3; overflow: hidden; cursor: zoom-in; position: relative; }
  .gallery-grid .g-item.wide { grid-column: span 2; aspect-ratio: 16/9; }
  .gallery-grid .g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease-out); }
  .gallery-grid .g-item:hover img { transform: scale(1.03); }
  @media (min-width: 700px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }

  .lightbox {
    position: fixed; inset: 0; z-index: 800;
    background: rgba(22,24,26,0.94);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
  }
  .lightbox.is-open { display: flex; }
  .lightbox img { max-width: 100%; max-height: 82vh; object-fit: contain; }
  .lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute;
    color: var(--paper);
    font-family: var(--mono);
    font-size: 1.1rem;
    padding: 0.75rem 1rem;
  }
  .lightbox-close { top: 1rem; right: 1rem; }
  .lightbox-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 1.6rem; }
  .lightbox-next { right: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 1.6rem; }
  .lightbox-caption { position: absolute; bottom: 1.25rem; left: 0; right: 0; text-align: center; color: rgba(255,255,255,0.7); font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }

  /* --- zone / map --- */
  .zone-wrap { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
  .zone-media { aspect-ratio: 4/3; overflow: hidden; }
  .zone-media img { width: 100%; height: 100%; object-fit: cover; }
  .zone-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
  .zone-list a, .zone-list span {
    font-size: 0.9rem;
    padding: 0.5em 1em;
    border: 1px solid var(--line-strong);
  }
  .zone-list a:hover { border-color: var(--copper); color: var(--copper); }
  @media (min-width: 900px) { .zone-wrap { grid-template-columns: 1fr 1fr; } }

  /* --- testimonials --- */
  .testimonials { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
  .testimonial { border-top: 2px solid var(--copper); padding-top: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
  .testimonial .who { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--concrete); }
  @media (min-width: 800px) { .testimonials { grid-template-columns: repeat(3, 1fr); } }

  /* --- contact --- */
  .contact-wrap { display: grid; grid-template-columns: 1fr; gap: 3rem; }
  .contact-commitments { display: flex; flex-direction: column; gap: 1.25rem; }
  .commitment { display: flex; gap: 1rem; align-items: flex-start; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); }
  .commitment .mark { font-family: var(--mono); color: var(--copper); }
  .field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
  .field label { font-size: 0.85rem; font-weight: 600; }
  .field input, .field select, .field textarea {
    padding: 0.75em 0.9em;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-btn);
    background: var(--paper);
  }
  .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--copper); }
  .field-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
  @media (min-width: 600px) { .field-row { grid-template-columns: 1fr 1fr; } }
  .form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.85rem; color: var(--concrete); margin-bottom: 1.25rem; }
  .form-consent input { margin-top: 0.3em; }
  .form-status { font-size: 0.9rem; margin-top: 1rem; }
  .form-status[data-state="success"] { color: var(--sea); }
  .form-status[data-state="error"] { color: var(--copper-dk); }
  @media (min-width: 1000px) { .contact-wrap { grid-template-columns: 5fr 7fr; } }

  /* --- honeypot --- */
  .hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

  /* --- inner page header --- */
  .page-intro { background: var(--lime); padding-block: clamp(2.5rem, 6vw, 4.5rem); }
  .breadcrumbs { display: flex; flex-wrap: wrap; gap: 0.4em; font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--concrete); margin-bottom: 1.25rem; }
  .breadcrumbs a:hover { color: var(--copper); }
  .breadcrumbs .sep { opacity: 0.5; }
  .page-intro h1 { max-width: 20ch; }
  .page-intro .lead { max-width: 62ch; color: var(--concrete); margin-top: 1rem; }

  /* --- checklist --- */
  .checklist { display: grid; grid-template-columns: 1fr; gap: 0.75rem; }
  .checklist li { display: flex; gap: 0.75rem; align-items: flex-start; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line); }
  .checklist li::before { content: "✓"; color: var(--copper); font-weight: 700; }
  @media (min-width: 700px) { .checklist { grid-template-columns: 1fr 1fr; } }

  /* --- price table --- */
  .price-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
  .price-table th, .price-table td { text-align: left; padding: 0.9em 1em; border-bottom: 1px solid var(--line-strong); font-size: 0.95rem; }
  .price-table th { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--concrete); font-weight: 500; }
  .price-table td:last-child { color: var(--copper); font-weight: 600; white-space: nowrap; }
  .price-note { margin-top: 1rem; font-size: 0.85rem; color: var(--concrete); border-left: 2px solid var(--copper); padding-left: 1rem; }

  /* --- faq --- */
  .faq-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line-strong); }
  .faq-item { border-bottom: 1px solid var(--line-strong); padding-block: 1.1rem; }
  .faq-item summary { cursor: pointer; font-family: var(--display); font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: "+"; font-family: var(--mono); color: var(--copper); font-size: 1.3rem; flex-shrink: 0; }
  .faq-item[open] summary::after { content: "–"; }
  .faq-item p { margin-top: 0.85rem; color: var(--concrete); }

  /* --- inline cta band --- */
  .cta-band { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; background: var(--ink); color: var(--paper); padding: 2rem clamp(1.5rem, 4vw, 3rem); }
  .cta-band h3 { color: var(--paper); margin: 0; }
  .cta-band .actions { display: flex; gap: 1rem; flex-wrap: wrap; }

  /* --- simple content prose (service/zone body copy) --- */
  .prose { max-width: 72ch; }
  .prose p { margin-bottom: 1.1rem; color: var(--ink); }
  .prose ul { margin: 1rem 0 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
  .prose ul li { padding-left: 1.2em; position: relative; }
  .prose ul li::before { content: "—"; position: absolute; left: 0; color: var(--copper); }

  /* --- footer --- */
  .site-footer { background: var(--sea); color: rgba(255,255,255,0.85); padding-block: 4rem 2rem; }
  .footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .footer-brand img { height: 44px; filter: brightness(0) invert(1); }
  .footer-brand p { color: rgba(255,255,255,0.65); margin-top: 1rem; max-width: 32ch; }
  .footer-col h4 { color: var(--paper); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 1rem; }
  .footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
  .footer-col a:hover { color: var(--paper); }
  .footer-bottom { padding-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: 0.8rem; color: rgba(255,255,255,0.55); }
  .footer-langs { display: flex; gap: 0.75rem; }
  @media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

  /* --- mobile dock --- */
  .mobile-dock {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 300;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--ink);
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .mobile-dock a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.85rem 0.5rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.72rem;
    font-weight: 600;
    text-align: center;
  }
  .mobile-dock a:nth-child(3) { color: var(--copper); }
  @media (min-width: 900px) { .mobile-dock { display: none; } }

  /* --- chat widget --- */
  .chat-launcher {
    position: fixed;
    right: 1.25rem;
    bottom: 5.5rem;
    z-index: 350;
    width: 56px; height: 56px;
    background: var(--copper);
    color: var(--paper);
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(22,24,26,0.25);
  }
  @media (min-width: 900px) { .chat-launcher { bottom: 1.5rem; } }

  .chat-panel {
    position: fixed;
    right: 1.25rem;
    bottom: 9.5rem;
    z-index: 350;
    width: min(380px, calc(100vw - 2rem));
    max-height: 60vh;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    display: none;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(22,24,26,0.2);
  }
  .chat-panel.is-open { display: flex; }
  .chat-head { display: flex; align-items: center; gap: 0.75rem; padding: 1rem; background: var(--ink); color: var(--paper); }
  .chat-head .dot { width: 8px; height: 8px; background: #4caf6d; border-radius: 50%; }
  .chat-body { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
  .chat-msg { max-width: 85%; padding: 0.6em 0.85em; font-size: 0.9rem; border-radius: 4px; }
  .chat-msg.bot { background: var(--lime); align-self: flex-start; }
  .chat-msg.user { background: var(--ink); color: var(--paper); align-self: flex-end; }
  .chat-input-row { display: flex; border-top: 1px solid var(--line); }
  .chat-input-row input { flex: 1; border: 0; padding: 0.9em; }
  .chat-input-row button { padding: 0 1.1em; color: var(--copper); font-weight: 700; }
  @media (min-width: 900px) { .chat-panel { bottom: 6rem; } }

  /* --- cookie banner --- */
  .cookie-banner {
    position: fixed;
    left: 1rem; right: 1rem; bottom: 1rem;
    z-index: 700;
    max-width: 640px;
    margin-inline: auto;
    background: var(--ink);
    color: var(--paper);
    padding: 1.5rem;
    display: none;
    flex-direction: column;
    gap: 1rem;
  }
  .cookie-banner.is-visible { display: flex; }
  .cookie-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
  .cookie-actions button, .cookie-actions a { flex: 1; min-width: 120px; text-align: center; }
}

/* =============================================================
   UTILITIES
   ============================================================= */
@layer utilities {
  .text-center { text-align: center; }
  .mt-0 { margin-top: 0; }
  .visually-hide-below-900 { display: none; }
  @media (min-width: 900px) { .visually-hide-below-900 { display: initial; } }
  .pad-bottom-dock { padding-bottom: 76px; }
  @media (min-width: 900px) { .pad-bottom-dock { padding-bottom: 0; } }
}