/* ── Reset ────────────────────────────────────────── */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      background: #080808;
      color: #fff;
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    /* ── Design tokens ───────────────────────────────── */
    :root {
      --bg:      #080808;
      --bg-2:    #0e0e0e;
      --bg-3:    #161616;
      --border:  rgba(255,255,255,.07);
      --border-c: rgba(255,255,255,.1);
      --text-2:  rgba(255,255,255,.62);
      --text-3:  rgba(255,255,255,.35);
      --accent:  #c4a870;
      --accent-dim: rgba(196,168,112,.6);
      --radius:  14px;
      --pad-x:   clamp(1.5rem, 5vw, 3rem);
      --pad-y:   clamp(4.5rem, 10vh, 7.5rem);
    }

    /* ── Max-width container ─────────────────────────── */
    .w {
      max-width: 1200px;
      margin-inline: auto;
      padding-inline: var(--pad-x);
    }

    /* ── Scroll fade-in ──────────────────────────────── */
    .fade-in {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.visible { opacity: 1; transform: translateY(0); }

    /* ── Shared label ────────────────────────────────── */
    .section-label {
      display: block;
      font-size: clamp(.52rem, .85vw, .62rem);
      font-weight: 600;
      letter-spacing: .28em;
      text-transform: uppercase;
      color: var(--accent-dim);
      margin-bottom: 1rem;
    }

    /* ════════════════════════════════════════════════
       NAV
    ════════════════════════════════════════════════ */
    #nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      height: 62px;
      background: rgba(8,8,8,.9);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      max-width: 1200px;
      margin-inline: auto;
      padding-inline: var(--pad-x);
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      flex-shrink: 0;
    }
    .nav-logo img {
      height: 26px;
      width: auto;
      display: block;
      mix-blend-mode: lighten;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
    }
    .nav-links a {
      font-size: .78rem;
      font-weight: 500;
      color: var(--text-2);
      text-decoration: none;
      transition: color .2s ease;
    }
    .nav-links a:hover { color: #fff; }

    .nav-cta {
      font-size: .75rem;
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: #000;
      background: #fff;
      text-decoration: none;
      padding: .55rem 1.2rem;
      border-radius: 8px;
      transition: opacity .2s ease, transform .15s ease;
      white-space: nowrap;
    }
    .nav-cta:hover { opacity: .88; transform: translateY(-1px); }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 32px;
      height: 32px;
      padding: 0;
      background: none;
      border: none;
      cursor: pointer;
      flex-shrink: 0;
    }
    .nav-toggle span {
      display: block;
      width: 100%;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: transform .25s ease, opacity .25s ease;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .nav-links-cta { display: none; }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .nav-toggle { display: flex; }

      .nav-links.is-open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        position: fixed;
        top: 62px;
        left: 0;
        right: 0;
        max-height: calc(100vh - 62px);
        overflow-y: auto;
        background: rgba(8,8,8,.97);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        padding: .5rem var(--pad-x) 1.5rem;
      }
      .nav-links.is-open li { width: 100%; }
      .nav-links.is-open li a {
        display: block;
        width: 100%;
        padding: .9rem 0;
        border-bottom: 1px solid var(--border);
        font-size: .95rem;
      }
      .nav-links.is-open li:last-child a { border-bottom: none; }
      .nav-links.is-open .nav-links-cta {
        display: block;
        margin-top: .5rem;
      }
      .nav-links.is-open .nav-links-cta a {
        border-bottom: none;
        color: var(--accent);
        font-weight: 700;
      }
    }

    /* ════════════════════════════════════════════════
       HERO
    ════════════════════════════════════════════════ */
    #hero {
      min-height: 100svh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }

    #hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size: 56px 56px;
      pointer-events: none;
    }

    #hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 70% 60% at 0% 50%, rgba(255,255,255,.03) 0%, transparent 65%),
        linear-gradient(to top, var(--bg) 0%, transparent 40%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: calc(62px + clamp(4rem,8vh,7rem)) var(--pad-x) var(--pad-y);
      max-width: 1200px;
      margin-inline: auto;
      width: 100%;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      font-size: clamp(.52rem, .85vw, .62rem);
      font-weight: 600;
      letter-spacing: .26em;
      text-transform: uppercase;
      color: var(--accent-dim);
      border: 1px solid rgba(196,168,112,.22);
      padding: .42rem .95rem;
      border-radius: 100px;
      margin-bottom: clamp(2rem, 5vh, 3.5rem);
    }
    .hero-tag::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(196,168,112,.5);
      flex-shrink: 0;
    }

    #hero h1 {
      font-size: clamp(3rem, 10vw, 8.5rem);
      font-weight: 900;
      letter-spacing: -.045em;
      line-height: .91;
      color: #fff;
      margin-bottom: clamp(1.5rem, 3.5vh, 2.5rem);
    }
    #hero h1 .dim { color: var(--accent); opacity: .82; }

    #hero > .hero-content > p {
      font-size: clamp(.95rem, 1.75vw, 1.08rem);
      font-weight: 400;
      line-height: 1.75;
      color: var(--text-2);
      max-width: 48ch;
      margin-bottom: clamp(2.5rem, 5.5vh, 4rem);
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      background: #fff;
      color: #000;
      font-size: .85rem;
      font-weight: 700;
      letter-spacing: .02em;
      text-decoration: none;
      padding: .88rem 1.85rem;
      border-radius: 10px;
      transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease;
      box-shadow: 0 0 0 1px rgba(255,255,255,.15), 0 4px 16px rgba(0,0,0,.4);
    }
    .btn-primary:hover {
      opacity: .92;
      transform: translateY(-1px);
      box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 8px 24px rgba(0,0,0,.5);
    }

    .btn-ghost {
      font-size: .85rem;
      font-weight: 500;
      color: var(--text-2);
      text-decoration: none;
      transition: color .2s ease;
      display: flex;
      align-items: center;
      gap: .4rem;
    }
    .btn-ghost:hover { color: #fff; }

    /* ════════════════════════════════════════════════
       SHARED SECTION HEADER
    ════════════════════════════════════════════════ */
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 2rem;
      margin-bottom: clamp(2.5rem, 6vh, 4.5rem);
      padding-bottom: clamp(1.75rem, 4vh, 3rem);
      border-bottom: 1px solid var(--border);
    }

    .section-head h2 {
      font-size: clamp(1.6rem, 4vw, 2.75rem);
      font-weight: 800;
      letter-spacing: -.035em;
      line-height: .97;
      color: #fff;
      margin-top: .75rem;
    }

    .section-head p {
      font-size: clamp(.8rem, 1.3vw, .9rem);
      color: var(--text-2);
      max-width: 34ch;
      line-height: 1.7;
    }

    /* ════════════════════════════════════════════════
       PROBLEMA
    ════════════════════════════════════════════════ */
    #problema {
      padding-block: var(--pad-y);
      border-bottom: 1px solid var(--border);
    }

    .problema-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
      gap: 1.25rem;
    }

    .problema-card {
      background: var(--bg-2);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      padding: clamp(1.75rem, 3.5vw, 2.25rem);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      transition: border-color .25s ease, background .25s ease;
    }
    .problema-card:hover {
      border-color: rgba(255,255,255,.2);
      background: var(--bg-3);
    }

    .problema-num {
      font-size: clamp(.52rem, .85vw, .62rem);
      font-weight: 700;
      letter-spacing: .2em;
      color: rgba(196,168,112,.55);
      font-variant-numeric: tabular-nums;
    }

    .problema-card h3 {
      font-size: clamp(1.05rem, 2.1vw, 1.35rem);
      font-weight: 700;
      letter-spacing: -.025em;
      line-height: 1.1;
      color: #fff;
    }

    .problema-card p {
      font-size: clamp(.8rem, 1.3vw, .88rem);
      line-height: 1.72;
      color: var(--text-2);
    }

    /* ════════════════════════════════════════════════
       SERVICIOS
    ════════════════════════════════════════════════ */
    #servicios {
      padding-block: var(--pad-y);
      border-bottom: 1px solid var(--border);
      background: var(--bg-2);
    }

    .servicios-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
      gap: 1.25rem;
    }

    .servicio-card {
      background: var(--bg);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      padding: clamp(1.75rem, 3.5vw, 2.25rem);
      display: flex;
      flex-direction: column;
      gap: 1.4rem;
      transition: border-color .25s ease, background .25s ease;
    }
    .servicio-card:hover {
      border-color: rgba(255,255,255,.2);
      background: var(--bg-2);
    }

    .servicio-icon {
      width: 40px;
      height: 40px;
      border: 1px solid var(--border-c);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .servicio-card h3 {
      font-size: clamp(1rem, 2vw, 1.25rem);
      font-weight: 700;
      letter-spacing: -.02em;
      color: #fff;
    }

    .servicio-card p {
      font-size: clamp(.8rem, 1.3vw, .88rem);
      line-height: 1.72;
      color: var(--text-2);
      flex: 1;
    }

    .servicio-link {
      font-size: .75rem;
      font-weight: 600;
      letter-spacing: .04em;
      color: var(--text-3);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: .4rem;
      padding-top: 1.25rem;
      border-top: 1px solid var(--border);
      margin-top: auto;
      transition: color .2s ease;
    }
    .servicio-link:hover { color: #fff; }

    /* ════════════════════════════════════════════════
       PROCESO
    ════════════════════════════════════════════════ */
    #proceso {
      padding-block: var(--pad-y);
      border-bottom: 1px solid var(--border);
    }

    .proceso-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
      gap: 1.25rem;
    }

    .proceso-step {
      background: var(--bg-2);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      padding: clamp(1.75rem, 3.5vw, 2.25rem);
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .proceso-step-num {
      font-size: 3rem;
      font-weight: 900;
      letter-spacing: -.05em;
      color: rgba(196,168,112,.1);
      line-height: 1;
      font-variant-numeric: tabular-nums;
    }

    .proceso-step h3 {
      font-size: clamp(.9rem, 1.6vw, 1.05rem);
      font-weight: 700;
      letter-spacing: -.01em;
      color: #fff;
    }

    .proceso-step p {
      font-size: clamp(.78rem, 1.2vw, .86rem);
      line-height: 1.72;
      color: var(--text-2);
    }

    /* ════════════════════════════════════════════════
       TRABAJO
    ════════════════════════════════════════════════ */
    #work {
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
    }

    /* ── Portfolio cards ──────────────────────────── */
    .portfolio__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
      gap: 1.25rem;
      margin-bottom: clamp(3rem, 7vh, 5rem);
    }

    .portfolio__card {
      background: var(--bg);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      padding: clamp(1.5rem, 3.5vw, 2.25rem);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      transition: border-color .25s ease, background .25s ease;
    }
    .portfolio__card:hover {
      border-color: rgba(255,255,255,.2);
      background: var(--bg-2);
    }

    .portfolio__card-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .portfolio__tag {
      font-size: .58rem;
      font-weight: 600;
      letter-spacing: .22em;
      text-transform: uppercase;
      color: rgba(196,168,112,.6);
      border: 1px solid rgba(196,168,112,.16);
      padding: .28rem .65rem;
      border-radius: 6px;
    }

    .portfolio__card-num {
      font-size: .62rem;
      font-weight: 700;
      letter-spacing: .15em;
      color: rgba(196,168,112,.18);
      font-variant-numeric: tabular-nums;
    }

    .portfolio__card h3 {
      font-size: clamp(1.25rem, 3vw, 1.85rem);
      font-weight: 800;
      letter-spacing: -.03em;
      line-height: 1;
      color: #fff;
    }

    .portfolio__card p {
      font-size: clamp(.8rem, 1.3vw, .88rem);
      line-height: 1.7;
      color: var(--text-2);
      flex: 1;
    }

    .portfolio__link {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .75rem;
      font-weight: 600;
      letter-spacing: .04em;
      color: var(--text-3);
      text-decoration: none;
      border-top: 1px solid var(--border);
      padding-top: 1rem;
      margin-top: auto;
      transition: color .2s ease;
    }
    .portfolio__link:hover { color: #fff; }
    .portfolio__link-arrow { transition: transform .2s ease; }
    .portfolio__link:hover .portfolio__link-arrow { transform: translate(2px, -2px); }

    /* ── Work inner padding ───────────────────────── */
    #work > .w {
      padding-block: var(--pad-y);
    }

    /* ── Work subsection header ───────────────────── */
    .work-sub {
      margin-bottom: clamp(2rem, 4vh, 3rem);
    }
    .work-sub--spaced {
      margin-top: clamp(2.5rem, 6vh, 4.5rem);
    }

    /* ── Videos ───────────────────────────────────── */
    .videos__grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
      margin-bottom: clamp(3rem, 7vh, 5rem);
    }

    @media (max-width: 768px) {
      .videos__grid { grid-template-columns: 1fr; }
      .video-wrapper { max-height: 75vh; }
    }
    @media (orientation: landscape) and (max-height: 500px) {
      .videos__grid { grid-template-columns: repeat(3, 1fr); }
      .video-wrapper { max-height: 60vh; }
    }

    .video-card {
      background: var(--bg);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .video-wrapper {
      position: relative;
      width: 100%;
      padding-bottom: 177.78%;
      height: 0;
      overflow: hidden;
      background: #050505;
    }
    .video-wrapper iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: none;
      display: block;
    }

    .video-caption {
      padding: .85rem 1.1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: .75rem;
      border-top: 1px solid var(--border);
    }
    .video-caption__title {
      font-size: .82rem;
      font-weight: 600;
      color: var(--text-2);
      letter-spacing: -.01em;
    }
    .video-caption__tag {
      flex-shrink: 0;
      font-size: .5rem;
      font-weight: 600;
      letter-spacing: .2em;
      text-transform: uppercase;
      color: rgba(196,168,112,.55);
      border: 1px solid rgba(196,168,112,.15);
      padding: .22rem .55rem;
      border-radius: 4px;
    }

    /* ── Before/After ─────────────────────────────── */
    .transformations__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
      gap: 1.25rem;
    }

    .ba-card {
      background: var(--bg);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .ba-slider {
      position: relative;
      --split: 50%;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      cursor: col-resize;
      -webkit-user-select: none;
      user-select: none;
      touch-action: pan-y;
    }
    .ba-slider:focus-visible { outline: 2px solid rgba(255,255,255,.4); outline-offset: -2px; }

    .ba-after, .ba-before {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
      pointer-events: none;
    }
    .ba-before {
      z-index: 2;
      clip-path: inset(0 calc(100% - var(--split)) 0 0);
      will-change: clip-path;
    }

    .ba-handle {
      position: absolute;
      top: 0; bottom: 0;
      left: var(--split);
      transform: translateX(-50%);
      z-index: 10;
      width: 2px;
      background: rgba(255,255,255,.9);
      cursor: col-resize;
      will-change: left;
    }
    .ba-handle::before {
      content: '';
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      width: 40px; height: 40px;
      background: #fff;
      border-radius: 50%;
      box-shadow: 0 2px 14px rgba(0,0,0,.6);
    }
    .ba-handle::after {
      content: '← →';
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      font-size: .56rem;
      font-weight: 800;
      letter-spacing: -.02em;
      color: #000;
      white-space: nowrap;
    }

    .ba-label {
      position: absolute;
      top: .85rem;
      z-index: 5;
      font-size: .5rem;
      font-weight: 700;
      letter-spacing: .22em;
      text-transform: uppercase;
      padding: .26rem .6rem;
      border-radius: 4px;
      -webkit-backdrop-filter: blur(6px);
      backdrop-filter: blur(6px);
      pointer-events: none;
    }
    .ba-label--before { left: .85rem; background: rgba(0,0,0,.6); color: rgba(255,255,255,.7); }
    .ba-label--after  { right: .85rem; background: rgba(255,255,255,.1); color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.14); }

    .ba-caption {
      padding: .85rem 1.1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: .75rem;
      border-top: 1px solid var(--border);
    }
    .ba-caption__title { font-size: .82rem; font-weight: 600; color: var(--text-2); letter-spacing: -.01em; }
    .ba-caption__tag   { flex-shrink: 0; font-size: .5rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: rgba(196,168,112,.55); border: 1px solid rgba(196,168,112,.15); padding: .22rem .55rem; border-radius: 4px; }

    /* ════════════════════════════════════════════════
       CONTACTO / CTA
    ════════════════════════════════════════════════ */
    #contact {
      padding-block: var(--pad-y);
      text-align: center;
      border-bottom: 1px solid var(--border);
    }

    .contact-inner {
      max-width: 680px;
      margin-inline: auto;
      padding-inline: var(--pad-x);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: clamp(1.25rem, 3vh, 2rem);
    }

    #contact h2 {
      font-size: clamp(2.2rem, 7vw, 5.5rem);
      font-weight: 900;
      letter-spacing: -.045em;
      line-height: .91;
      color: #fff;
    }
    #contact h2 .dim { color: var(--accent); opacity: .82; }

    #contact > .contact-inner > p {
      font-size: clamp(.88rem, 1.5vw, 1rem);
      color: var(--text-2);
      max-width: 44ch;
      line-height: 1.72;
    }

    .contact-actions {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: .8rem;
      margin-top: .5rem;
    }

    .contact-email {
      font-size: .8rem;
      color: rgba(196,168,112,.5);
      letter-spacing: .02em;
    }

    /* ════════════════════════════════════════════════
       FOOTER
    ════════════════════════════════════════════════ */
    footer {
      padding-block: clamp(1.75rem, 3.5vh, 2.5rem);
    }

    .footer-inner {
      max-width: 1200px;
      margin-inline: auto;
      padding-inline: var(--pad-x);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
    }
    .footer-logo img {
      height: 18px;
      width: auto;
      display: block;
      mix-blend-mode: lighten;
      opacity: 0.28;
      transition: opacity .2s ease;
    }
    .footer-logo:hover img { opacity: 0.5; }

    .footer-links {
      display: flex;
      gap: 1.75rem;
      list-style: none;
    }
    .footer-links a {
      font-size: .74rem;
      color: rgba(255,255,255,.18);
      text-decoration: none;
      transition: color .2s ease;
    }
    .footer-links a:hover { color: rgba(255,255,255,.5); }

    .footer-copy {
      font-size: .72rem;
      color: rgba(255,255,255,.12);
      letter-spacing: .04em;
    }

    @media (max-width: 600px) { .footer-links { display: none; } }

    /* ════════════════════════════════════════════════
       CHATBOT
    ════════════════════════════════════════════════ */
    #chat-widget {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 9999;
      font-family: 'Inter', system-ui, sans-serif;
    }

    #chat-toggle {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #fff;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 24px rgba(0,0,0,.5);
      transition: transform .2s ease, box-shadow .2s ease;
      position: relative;
      z-index: 2;
    }
    #chat-toggle:hover { transform: scale(1.07); box-shadow: 0 6px 32px rgba(0,0,0,.6); }
    #chat-toggle svg { position: absolute; transition: opacity .2s ease, transform .2s ease; }
    #chat-toggle .icon-chat  { opacity: 1;  transform: scale(1); }
    #chat-toggle .icon-close { opacity: 0;  transform: scale(.7); }
    #chat-widget.open #chat-toggle .icon-chat  { opacity: 0;  transform: scale(.7); }
    #chat-widget.open #chat-toggle .icon-close { opacity: 1;  transform: scale(1); }

    #chat-toggle::after {
      content: '';
      position: absolute;
      top: 3px; right: 3px;
      width: 10px; height: 10px;
      background: #22c55e;
      border-radius: 50%;
      border: 2px solid #fff;
      transition: opacity .3s ease;
    }
    #chat-widget.open #chat-toggle::after { opacity: 0; }

    #chat-panel {
      position: absolute;
      bottom: 64px; right: 0;
      width: 360px; height: 500px;
      background: #0d0d0d;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 18px;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 8px 48px rgba(0,0,0,.7);
      transform: scale(.92) translateY(12px);
      transform-origin: bottom right;
      opacity: 0;
      pointer-events: none;
      transition: transform .25s cubic-bezier(.34,1.56,.64,1), opacity .2s ease;
    }
    #chat-widget.open #chat-panel { transform: scale(1) translateY(0); opacity: 1; pointer-events: all; }

    @media (max-width: 420px) {
      #chat-panel { width: calc(100vw - 32px); right: -8px; }
    }

    #chat-header {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(255,255,255,.07);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-shrink: 0;
    }
    .chat-header-brand { display: flex; align-items: center; gap: 8px; }
    .chat-online-dot { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 6px rgba(34,197,94,.6); }
    .chat-header-name { font-size: .82rem; font-weight: 700; color: #fff; letter-spacing: -.01em; }
    .chat-header-sub  { font-size: .65rem; font-weight: 400; letter-spacing: .15em; text-transform: uppercase; color: rgba(255,255,255,.3); }

    #chat-messages {
      flex: 1;
      overflow-y: auto;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    #chat-messages::-webkit-scrollbar { width: 4px; }
    #chat-messages::-webkit-scrollbar-track { background: transparent; }
    #chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }
    @supports (scrollbar-width: thin) {
      #chat-messages { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.1) transparent; }
    }

    .chat-msg {
      max-width: 82%;
      font-size: .82rem;
      line-height: 1.55;
      padding: 9px 13px;
      border-radius: 12px;
      animation: msgIn .2s ease;
      word-break: break-word;
    }
    @keyframes msgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
    .chat-msg.user      { align-self: flex-end; background: rgba(255,255,255,.1); color: rgba(255,255,255,.9); border-bottom-right-radius: 4px; }
    .chat-msg.assistant { align-self: flex-start; background: rgba(255,255,255,.05); color: rgba(255,255,255,.78); border-bottom-left-radius: 4px; }

    .chat-typing {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 10px 13px;
      background: rgba(255,255,255,.05);
      border-radius: 12px;
      border-bottom-left-radius: 4px;
      align-self: flex-start;
    }
    .chat-typing span { width: 6px; height: 6px; background: rgba(255,255,255,.4); border-radius: 50%; animation: typingDot 1.2s ease infinite; }
    .chat-typing span:nth-child(2) { animation-delay: .2s; }
    .chat-typing span:nth-child(3) { animation-delay: .4s; }
    @keyframes typingDot { 0%,60%,100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-5px); opacity: 1; } }

    #chat-input-area {
      padding: 12px;
      border-top: 1px solid rgba(255,255,255,.07);
      display: flex;
      align-items: flex-end;
      gap: 8px;
      flex-shrink: 0;
    }
    #chat-input {
      flex: 1;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 10px;
      padding: 9px 12px;
      font-size: .82rem;
      color: #fff;
      font-family: inherit;
      resize: none;
      outline: none;
      line-height: 1.4;
      max-height: 100px;
      transition: border-color .2s ease;
    }
    #chat-input::placeholder { color: rgba(255,255,255,.25); }
    #chat-input:focus { border-color: rgba(255,255,255,.25); }
    #chat-send {
      width: 36px; height: 36px;
      border-radius: 8px;
      background: #fff;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: opacity .2s ease, transform .15s ease;
    }
    #chat-send:hover { opacity: .85; transform: scale(1.05); }
    #chat-send:disabled { opacity: .35; cursor: not-allowed; transform: none; }

    /* ════════════════════════════════════════════════
       WHATSAPP FAB
    ════════════════════════════════════════════════ */
    #whatsapp-fab {
      position: fixed;
      bottom: 24px;
      left: 24px;
      z-index: 9998;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #25D366;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 24px rgba(0,0,0,.5);
      transition: transform .15s ease, box-shadow .2s ease;
    }
    #whatsapp-fab:hover { transform: scale(1.07); box-shadow: 0 6px 32px rgba(0,0,0,.6); }
    #whatsapp-fab svg { width: 26px; height: 26px; }

    /* ════════════════════════════════════════════════
       SERVICE PAGES — header, pricing, packages
    ════════════════════════════════════════════════ */
    .section-pad { padding-block: var(--pad-y); }
    .section-divider { border-bottom: 1px solid var(--border); }

    .service-hero {
      max-width: 1200px;
      margin-inline: auto;
      padding: calc(62px + clamp(3rem,7vh,5rem)) var(--pad-x) clamp(3rem,7vh,5rem);
    }
    .service-hero h1 {
      font-size: clamp(2.4rem, 6vw, 4.5rem);
      font-weight: 900;
      letter-spacing: -.04em;
      line-height: .95;
      color: #fff;
      margin-bottom: clamp(1.25rem, 3vh, 2rem);
    }
    .service-hero h1 .dim { color: var(--accent); opacity: .82; }
    .service-hero > p {
      font-size: clamp(.95rem, 1.6vw, 1.1rem);
      color: var(--text-2);
      max-width: 56ch;
      line-height: 1.75;
      margin-bottom: clamp(1.75rem, 4vh, 2.5rem);
    }

    .price-tag {
      display: inline-flex;
      align-items: baseline;
      gap: .4rem;
      flex-wrap: wrap;
    }
    .price-tag__label {
      font-size: .64rem;
      font-weight: 600;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--text-3);
      width: 100%;
      margin-bottom: .35rem;
    }
    .price-tag__amount {
      font-size: clamp(1.6rem, 3vw, 2.1rem);
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--accent);
    }
    .price-tag__unit {
      font-size: .82rem;
      color: var(--text-2);
    }

    .service-includes {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: .7rem;
      margin-top: 1.5rem;
    }
    .service-includes li {
      font-size: .9rem;
      line-height: 1.55;
      color: var(--text-2);
      padding-left: 1.4rem;
      position: relative;
    }
    .service-includes li::before {
      content: '+';
      position: absolute;
      left: 0;
      color: var(--accent);
      font-weight: 700;
    }

    .package-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
      gap: 1.25rem;
    }
    .package-card {
      background: var(--bg-2);
      border: 1px solid var(--border-c);
      border-radius: var(--radius);
      padding: clamp(1.75rem, 3.5vw, 2.25rem);
      display: flex;
      flex-direction: column;
      gap: 1.1rem;
      transition: border-color .25s ease, background .25s ease;
    }
    .package-card:hover { border-color: rgba(255,255,255,.2); background: var(--bg-3); }
    .package-card h3 {
      font-size: clamp(1.1rem, 2vw, 1.4rem);
      font-weight: 800;
      color: #fff;
      letter-spacing: -.02em;
    }
    .package-card > p {
      font-size: .85rem;
      line-height: 1.6;
      color: var(--text-2);
    }
    .package-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: .55rem;
    }
    .package-list li {
      font-size: .82rem;
      line-height: 1.5;
      color: var(--text-2);
      padding-left: 1.3rem;
      position: relative;
    }
    .package-list li::before {
      content: '+';
      position: absolute;
      left: 0;
      color: var(--accent);
      font-weight: 700;
    }
    .package-list--no li { color: var(--text-3); }
    .package-list--no li::before { content: '\2013'; color: var(--text-3); }
    .package-card .btn-primary,
    .package-card .btn-ghost { margin-top: auto; align-self: flex-start; }

    .service-note {
      color: var(--text-2);
      max-width: 56ch;
      margin-bottom: 1.5rem;
    }

    .service-cta {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      flex-wrap: wrap;
      margin-top: clamp(2rem, 4vh, 3rem);
    }