/* ============ TOKENS — Seda Eléctrica ============ */
    /* Lino cálido + tinta violeta + hilo cobalto→violeta→magenta.
       El cobalto #1D31FF de la marca es el primer tono de cada degradado. */
    :root {
      --color-paper: #FBF8F3;
      --color-surface: #FFFFFF;
      --color-ink: #17151F;
      --color-ink-soft: #262236;
      --color-on-ink: #F7F5FA;
      --color-secondary: #4A4458;
      --color-muted-text: #5A5566;
      --color-muted-on-dark: #A8A2BC;
      --color-border: #E9E2F2;
      --color-border-strong: #D9D2EE;
      --color-accent: #1D31FF;
      --color-violet: #5B2EE5;
      --color-magenta: #BE185D;
      --color-ring: var(--color-accent);

      --grad-silk: linear-gradient(100deg, #1D31FF 0%, #5B2EE5 48%, #BE185D 100%);
      --grad-neon: linear-gradient(100deg, #9DA8FF 0%, #C9A2FF 50%, #FF9EC6 100%);
      --grad-dot: linear-gradient(135deg, #1D31FF, #BE185D);
      --grad-ring: conic-gradient(from var(--angle, 140deg), #1D31FF, #7C3AED 35%, #E0499A 60%, #7C3AED 80%, #1D31FF);
      --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");

      --font-display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
      --font-body: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
      --font-label: 'Space Grotesk', Arial, sans-serif;

      --text-xs: 13px;
      --text-sm: 15px;
      --text-base: 17px;
      --text-lg: 19px;
      --text-xl: 21px;

      --space-1: 8px;
      --space-2: 16px;
      --space-3: 24px;
      --space-4: 40px;
      --space-5: 64px;
      --space-6: 96px;
      --space-7: 144px;

      --radius-sm: 12px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 999px;

      --shadow-soft: 0 2px 6px rgba(23, 21, 31, 0.05), 0 18px 40px -18px rgba(43, 31, 120, 0.22);
      --shadow-lift: 0 20px 45px -18px rgba(43, 31, 120, 0.30);

      --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
      --dur-fast: 180ms;
      --dur-med: 300ms;
    }

    /* Ángulo animable del anillo cónico (gira solo al hover) */
    @property --angle {
      syntax: '<angle>';
      initial-value: 140deg;
      inherits: false;
    }
    @keyframes ring-spin { to { --angle: 500deg; } }

    /* ============ BASE ============ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html { scroll-behavior: smooth; scroll-padding-top: 90px; }

    body {
      font-family: var(--font-body);
      background: var(--color-paper);
      color: var(--color-ink);
      font-size: var(--text-base);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: clip;
    }

    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }

    :focus-visible {
      outline: 3px solid var(--color-ring);
      outline-offset: 3px;
      border-radius: 6px;
    }
    /* Foco visible tambien sobre la banda oscura (contraste AA) */
    .cta-band :focus-visible { outline-color: var(--color-on-ink); }

    ::selection { background: var(--color-accent); color: #FFFFFF; }

    .container {
      width: min(1200px, 100% - 2 * var(--space-3));
      margin-inline: auto;
    }

    .skip-link {
      position: absolute;
      left: var(--space-2); top: -100px;
      background: var(--color-ink);
      color: var(--color-on-ink);
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      z-index: 200;
      transition: top var(--dur-fast) var(--ease-out);
    }
    .skip-link:focus { top: var(--space-2); }

    /* ============ TIPOGRAFÍA ============ */
    h1, h2 {
      font-family: var(--font-display);
      font-weight: 800;
      letter-spacing: -0.015em;
    }

    /* Texto en degradado: solo palabras clave y cifras a tamaño display.
       El color sólido previo queda como fallback si el clip no está soportado. */
    h2 .accent,
    .hero h1 .accent,
    .perk-figure {
      color: var(--color-violet);
      background: var(--grad-silk);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .eyebrow {
      font-family: var(--font-label);
      font-size: var(--text-xs);
      font-weight: 500;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--color-muted-text);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .eyebrow::before {
      content: "";
      width: 28px; height: 3px;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, #1D31FF, #BE185D);
      display: inline-block;
    }
    .js .eyebrow.reveal::before { width: 0; transition: width 600ms var(--ease-out) 250ms; }
    .js .eyebrow.reveal.visible::before { width: 28px; }

    /* Cabecera de sección: el hilo de seda sustituye a la regla de tinta */
    .section-head {
      position: relative;
      padding-top: var(--space-2);
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: var(--space-2);
      margin-bottom: var(--space-5);
    }
    .section-head::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, #1D31FF, #BE185D 35%, #E9E2F2 70%, transparent 98%);
    }
    .section-num {
      font-family: var(--font-label);
      font-size: var(--text-xs);
      font-weight: 500;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--color-accent);
    }
    h2 {
      font-size: clamp(2rem, 4.6vw, 3.4rem);
      line-height: 1.06;
    }

    section { padding-block: var(--space-6); }

    /* ============ NAV ============ */
    .nav {
      position: fixed;
      inset-inline: 0; top: 0;
      z-index: 100;
      background: rgba(251, 248, 243, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: border-color var(--dur-med) var(--ease-out);
    }
    .nav.scrolled { border-color: var(--color-border); }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
      gap: var(--space-3);
    }
    .brand {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 19px;
      letter-spacing: -0.01em;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }
    .brand-mark {
      width: 22px; height: 22px;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon points='16,3 27,9 16,15 5,9' fill='%233D54FF'/%3E%3Cpolygon points='5,9 16,15 16,28 5,22' fill='%235B2EE5'/%3E%3Cpolygon points='27,9 16,15 16,28 27,22' fill='%23BE185D'/%3E%3C/svg%3E") center / contain no-repeat;
      flex-shrink: 0;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      list-style: none;
    }
    .nav-links a:not(.btn) {
      font-size: var(--text-sm);
      font-weight: 500;
      color: var(--color-secondary);
      padding: 10px 4px;
      position: relative;
      transition: color var(--dur-fast) var(--ease-out);
    }
    .nav-links a:not(.btn)::after {
      content: "";
      position: absolute;
      left: 4px; right: 100%; bottom: 6px;
      height: 2px;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, #1D31FF, #BE185D);
      transition: right var(--dur-med) var(--ease-out);
    }
    .nav-links a:not(.btn):hover { color: var(--color-ink); }
    .nav-links a:not(.btn):hover::after { right: 4px; }

    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      width: 46px; height: 46px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      color: var(--color-ink);
    }
    .nav-scrim {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(23, 21, 31, 0.4);
      z-index: 99;
      opacity: 0;
      visibility: hidden;
      transition: opacity var(--dur-med) var(--ease-out), visibility 0s var(--dur-med);
      border: 0;
      cursor: pointer;
    }
    .nav-scrim.show { opacity: 1; visibility: visible; transition-delay: 0s; }

    /* ============ BOTONES ============ */
    /* Píldoras suaves; el hover eleva con halo violeta, nada se desplaza en duro. */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      font-family: var(--font-label);
      font-weight: 500;
      font-size: var(--text-xs);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 17px 30px;
      min-height: 52px;
      border-radius: var(--radius-full);
      border: 1.5px solid transparent;
      cursor: pointer;
      transition: transform var(--dur-fast) var(--ease-out),
                  box-shadow var(--dur-fast) var(--ease-out),
                  background-color var(--dur-fast) var(--ease-out),
                  color var(--dur-fast) var(--ease-out),
                  border-color var(--dur-fast) var(--ease-out);
    }
    .btn:active { transform: translateY(0); box-shadow: none; }
    .btn-primary {
      background: var(--color-ink);
      color: #FFFFFF;
      box-shadow: 0 1px 2px rgba(23, 21, 31, 0.08);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px -12px rgba(29, 49, 255, 0.40);
    }
    .btn-ghost {
      background: transparent;
      color: var(--color-ink);
      border-color: var(--color-border-strong);
    }
    .btn-ghost:hover {
      background: var(--color-ink);
      color: #FFFFFF;
      border-color: var(--color-ink);
      transform: translateY(-2px);
    }
    .btn-sm { padding: 12px 22px; min-height: 44px; }
    .btn svg { flex-shrink: 0; }

    /* ============ HERO ============ */
    .hero {
      padding-top: calc(76px + var(--space-6));
      padding-bottom: var(--space-6);
      min-height: 92dvh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    /* Auras de seda ancladas a los bordes + grano encima (nada de blob central) */
    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(60% 50% at 16% 18%, rgba(29, 49, 255, 0.10), transparent 70%),
        radial-gradient(50% 45% at 84% 28%, rgba(190, 24, 93, 0.08), transparent 70%);
      filter: blur(70px);
      z-index: 0;
      pointer-events: none;
    }
    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: var(--noise);
      opacity: 0.35;
      mix-blend-mode: soft-light;
      z-index: 0;
      pointer-events: none;
    }
    /* Marca de agua: la "V" pasa de perfil técnico a seda translúcida */
    .hero-glyph {
      position: absolute;
      right: -4%;
      top: -6%;
      font-family: var(--font-display);
      font-weight: 800;
      font-size: clamp(18rem, 42vw, 40rem);
      line-height: 0.8;
      color: transparent;
      background: var(--grad-silk);
      -webkit-background-clip: text;
      background-clip: text;
      opacity: 0.12;
      pointer-events: none;
      user-select: none;
      z-index: 0;
    }
    .hero-content { position: relative; z-index: 1; }
    .hero h1 {
      font-size: clamp(2.4rem, 1.15rem + 6.4vw, 6.9rem);
      line-height: 1.02;
      letter-spacing: -0.02em;
      margin: var(--space-3) 0 var(--space-4);
      max-width: 15ch;
    }
    .hero-sub {
      font-size: clamp(1.05rem, 1.6vw, 1.3rem);
      color: var(--color-muted-text);
      max-width: 52ch;
      margin-bottom: var(--space-4);
    }
    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
      margin-bottom: var(--space-4);
    }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2) var(--space-4);
      list-style: none;
      font-family: var(--font-label);
      font-size: var(--text-xs);
      letter-spacing: 0.04em;
      color: var(--color-muted-text);
      border-top: 1px solid var(--color-border);
      padding-top: var(--space-2);
      max-width: 720px;
    }
    .hero-meta li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .hero-meta li::before {
      content: "";
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--grad-dot);
      flex-shrink: 0;
    }

    /* ============ MARQUEE ============ */
    .marquee {
      border-block: 1px solid var(--color-border);
      background: var(--color-surface);
      overflow: hidden;
      padding-block: 18px;
      white-space: nowrap;
      mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
      -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    }
    .marquee-track {
      display: inline-flex;
      animation: marquee 28s linear infinite;
      will-change: transform;
    }
    .marquee:hover .marquee-track { animation-play-state: paused; }
    .marquee span {
      font-family: var(--font-label);
      font-size: var(--text-sm);
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--color-muted-text);
      display: inline-flex;
      align-items: center;
    }
    .marquee span::after {
      content: "";
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--grad-dot);
      display: inline-block;
      margin-inline: 24px;
    }
    @keyframes marquee {
      from { transform: translateX(0); }
      to   { transform: translateX(-50%); }
    }

    /* ============ SERVICIOS ============ */
    .services-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: var(--space-3);
    }
    .service-num {
      font-family: var(--font-label);
      font-size: var(--text-sm);
      font-weight: 700;
      color: var(--color-accent);
      letter-spacing: 0.06em;
    }
    .service-card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      transition: border-color var(--dur-med) var(--ease-out),
                  box-shadow var(--dur-med) var(--ease-out),
                  transform var(--dur-med) var(--ease-out);
    }
    .service-card:hover {
      border-color: var(--color-border-strong);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lift);
    }
    /* La destacada lleva el anillo cónico (gira suavemente solo al hover) */
    .service-featured {
      grid-row: 1 / span 3;
      border: 1.5px solid transparent;
      background:
        linear-gradient(150deg, #EFEBFA, #FDF0F6) padding-box,
        var(--grad-ring) border-box;
      padding: var(--space-4);
      display: flex;
      flex-direction: column;
      gap: var(--space-2);
    }
    .service-featured:hover {
      border-color: transparent;
      animation: ring-spin 8s linear infinite;
    }
    .service-featured-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
    }
    .service-tag {
      font-family: var(--font-label);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #FFFFFF;
      background: var(--grad-silk);
      padding: 7px 14px;
      border-radius: var(--radius-full);
      white-space: nowrap;
    }
    .service-featured h3 {
      font-family: var(--font-display);
      font-size: clamp(1.6rem, 2.6vw, 2.2rem);
      font-weight: 800;
      letter-spacing: -0.015em;
      line-height: 1.08;
    }
    .service-featured > p { color: var(--color-secondary); font-size: var(--text-base); max-width: 44ch; }
    .service-featured ul {
      list-style: none;
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding-top: var(--space-3);
      background: linear-gradient(90deg, #1D31FF, #BE185D 40%, transparent 95%) top / 100% 1px no-repeat;
    }
    .service-featured li {
      font-size: var(--text-sm);
      color: var(--color-ink);
      display: flex;
      align-items: baseline;
      gap: 10px;
    }
    .service-featured li::before {
      content: "→";
      color: var(--color-accent);
      font-weight: 700;
      flex-shrink: 0;
    }
    .service-compact {
      padding: var(--space-3);
      display: flex;
      gap: var(--space-3);
      align-items: flex-start;
    }
    .service-compact .service-num { padding-top: 3px; }
    .service-compact h3 {
      font-size: var(--text-xl);
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 6px;
    }
    .service-compact p { color: var(--color-muted-text); font-size: var(--text-sm); }

    /* ============ PROYECTOS ============ */
    #proyectos { background: var(--color-surface); border-block: 1px solid var(--color-border); }
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-3);
    }
    .project-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      transition: border-color var(--dur-med) var(--ease-out),
                  transform var(--dur-med) var(--ease-out),
                  box-shadow var(--dur-med) var(--ease-out);
    }
    .project-card:hover, .project-card:focus-within {
      border-color: var(--color-border-strong);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lift);
    }

    /* Mockups con dirección de arte propia por proyecto (vía --proj-*).
       Para usar un proyecto real: sustituye <div class="mockup">…</div>
       por <img src="captura.jpg" alt="Captura de la web de …"> */
    .mockup {
      aspect-ratio: 16 / 11;
      background: var(--proj-bg, #EFEBFA);
      padding: 9% 10% 0;
      overflow: hidden;
    }
    .mockup-window {
      background: var(--mk-window, var(--color-surface));
      border-radius: 10px 10px 0 0;
      box-shadow: 0 14px 40px -14px rgba(43, 31, 120, 0.30);
      height: 100%;
      overflow: hidden;
    }
    @media (hover: hover) {
      .mockup-window { transform: translateY(6px); transition: transform var(--dur-med) var(--ease-out); }
      .project-card:hover .mockup-window { transform: translateY(0); }
    }
    .mockup-bar {
      display: flex;
      align-items: center;
      gap: 5px;
      padding: 8px 10px;
      border-bottom: 1px solid var(--mk-rule, #F0ECF7);
    }
    .mockup-bar span {
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--mk-dot, var(--color-border));
    }
    .mockup-url {
      flex: 1;
      margin-left: 8px;
      height: 15px;
      border-radius: 8px;
      background: var(--mk-url-bg, var(--color-paper));
      font: 500 8px/15px var(--font-label);
      color: var(--mk-muted, var(--color-muted-text));
      padding-inline: 9px;
      letter-spacing: 0.02em;
    }
    .mockup-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
    .mockup-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font: 700 8px var(--font-label);
      letter-spacing: 0.06em;
      color: var(--mk-ink, var(--color-ink));
      margin-bottom: 2px;
    }
    .mockup-nav i {
      font-style: normal;
      font-weight: 500;
      color: var(--mk-muted, var(--color-muted-text));
      font-size: 7px;
    }
    .mockup-nav i:first-of-type { margin-left: auto; }
    .mockup-h {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 13px;
      line-height: 1.1;
      letter-spacing: -0.01em;
      color: var(--mk-ink, var(--color-ink));
    }
    /* Voz serif para proyectos cuyo diseño real usa display serif */
    .mockup-h--serif {
      font-family: Georgia, 'Times New Roman', serif;
      font-weight: 600;
      letter-spacing: 0;
    }
    .mockup-sub { font-size: 8px; color: var(--mk-muted, var(--color-muted-text)); line-height: 1.4; }
    .mockup-chip {
      align-self: flex-start;
      font: 700 7.5px/1 var(--font-label);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--mk-chip-ink, #fff);
      background: var(--mk-chip-bg, var(--proj-accent, var(--color-ink)));
      padding: 6px 11px;
      border-radius: var(--radius-full);
    }
    .mockup-imgs { display: flex; gap: 6px; margin-top: 2px; }
    .mockup-imgs span { flex: 1; height: 38px; border-radius: 4px; background: var(--proj-img, #EFEBFA); }
    .mockup-menu { display: flex; flex-direction: column; gap: 5px; margin-top: 2px; }
    .mockup-menu span {
      display: flex;
      justify-content: space-between;
      font-size: 7.5px;
      color: var(--mk-muted, var(--color-secondary));
      border-bottom: 1px dotted var(--mk-rule, var(--color-border));
      padding-bottom: 4px;
    }
    .mockup-price { display: flex; gap: 6px; font-size: 7px; color: var(--color-secondary); }
    .mockup-price span { flex: 1; text-align: center; }
    .mockup-logo {
      font: 700 11px var(--font-label);
      letter-spacing: 0.35em;
      text-align: center;
      color: var(--color-ink);
    }

    .project-info {
      padding: var(--space-3);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
      background: var(--color-surface);
      border-top: 1px solid var(--color-border);
    }
    .project-info h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 4px; }
    .project-tag {
      font-family: var(--font-label);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--proj-accent, var(--color-accent));
    }
    .project-arrow {
      width: 40px; height: 40px;
      border-radius: 50%;
      border: 1px solid var(--color-border);
      display: grid;
      place-items: center;
      color: var(--color-ink);
      flex-shrink: 0;
      transition: background-color var(--dur-fast) var(--ease-out),
                  color var(--dur-fast) var(--ease-out),
                  border-color var(--dur-fast) var(--ease-out),
                  transform var(--dur-fast) var(--ease-out);
    }
    .project-card:hover .project-arrow,
    .project-card:focus-within .project-arrow {
      background-image: var(--grad-silk);
      border-color: transparent;
      color: #FFFFFF;
      transform: rotate(-45deg);
    }

    /* ============ PROCESO ============ */
    /* Columnas sobre una regla suave, punto de seda en cada corte */
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--space-4) var(--space-3);
    }
    .step {
      border-top: 1px solid var(--color-border);
      padding-top: var(--space-3);
      position: relative;
    }
    .step::before {
      content: "";
      position: absolute;
      top: -4px; left: 0;
      width: 8px; height: 8px;
      border-radius: 50%;
      background: var(--grad-dot);
    }
    .step-num {
      font-family: var(--font-label);
      font-size: var(--text-sm);
      font-weight: 700;
      color: var(--color-accent);
      letter-spacing: 0.06em;
      margin-bottom: var(--space-2);
    }
    .step h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
    .step p { font-size: var(--text-sm); color: var(--color-muted-text); }

    /* ============ VENTAJAS (cifras) ============ */
    .perks {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--color-border);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .perk {
      background: var(--color-surface);
      padding: var(--space-4) var(--space-3);
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .perk-figure {
      font-family: var(--font-display);
      font-size: clamp(1.9rem, 3vw, 2.6rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1;
    }
    .perk-figure em { font-style: normal; }
    .perk h3 { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.01em; }
    /* La cifra también es un <p>: se excluye para que conserve tamaño display y color de respaldo */
    .perk p:not(.perk-figure) { font-size: var(--text-sm); color: var(--color-muted-text); }

    /* ============ CTA FINAL: noche violeta con auras ============ */
    .cta-band {
      position: relative;
      background: var(--color-ink);
      color: var(--color-on-ink);
      padding-block: var(--space-7) var(--space-6);
      margin-top: var(--space-6);
      overflow: hidden;
    }
    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(55% 60% at 12% 0%, rgba(29, 49, 255, 0.22), transparent 70%),
        radial-gradient(50% 55% at 92% 100%, rgba(190, 24, 93, 0.16), transparent 70%);
      pointer-events: none;
    }
    .cta-band::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: var(--noise);
      opacity: 0.3;
      mix-blend-mode: soft-light;
      pointer-events: none;
    }
    .cta-band > .container { position: relative; z-index: 1; }
    .cta-band .section-head::before {
      background: linear-gradient(90deg, rgba(157, 168, 255, 0.5), transparent 80%);
    }
    .cta-band .section-num { color: var(--color-muted-on-dark); }
    .cta-band h2 {
      font-size: clamp(2.4rem, 6vw, 4.6rem);
      line-height: 1.04;
      letter-spacing: -0.02em;
      max-width: 16ch;
      margin-bottom: var(--space-3);
    }
    .cta-band h2 .outline {
      color: #C9A2FF;
      background: var(--grad-neon);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    /* El bloque de contacto es una <section> con nombre (landmark region):
       anula el padding global de section para no alterar la banda. */
    .cta-contact { padding-block: 0; }
    .cta-band .cta-contact > p {
      color: var(--color-muted-on-dark);
      max-width: 46ch;
      margin-bottom: var(--space-4);
    }
    .cta-band .btn-primary {
      background: #FFFFFF;
      color: var(--color-ink);
    }
    .cta-band .btn-primary:hover { box-shadow: 0 14px 30px -12px rgba(157, 168, 255, 0.45); }
    .cta-band .btn-ghost { color: var(--color-on-ink); border-color: rgba(157, 168, 255, 0.35); }
    .cta-band .btn-ghost:hover { background: #FFFFFF; color: var(--color-ink); border-color: #FFFFFF; }

    /* Footer dentro de la banda: la página cierra de noche */
    .cta-band footer {
      margin-top: var(--space-6);
      padding-top: var(--space-3);
      border-top: 1px solid rgba(157, 168, 255, 0.18);
      color: var(--color-muted-on-dark);
      font-size: 14px;
    }
    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
    }
    .cta-band footer a {
      color: var(--color-on-ink);
      text-decoration: underline;
      text-underline-offset: 3px;
      transition: opacity var(--dur-fast) var(--ease-out);
    }
    .cta-band footer a:hover { opacity: 0.75; }

    /* ============ WHATSAPP FLOTANTE (escritorio) ============ */
    .wa-float {
      position: fixed;
      right: var(--space-3);
      bottom: var(--space-3);
      z-index: 90;
      width: 58px; height: 58px;
      border-radius: var(--radius-full);
      border: 1.5px solid transparent;
      background:
        linear-gradient(var(--color-ink), var(--color-ink)) padding-box,
        var(--grad-ring) border-box;
      color: #FFFFFF;
      display: grid;
      place-items: center;
      box-shadow: 0 12px 30px -8px rgba(43, 31, 120, 0.40);
      transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
    }
    .wa-float:hover {
      transform: translateY(-3px);
      box-shadow: 0 16px 34px -10px rgba(29, 49, 255, 0.45);
      animation: ring-spin 8s linear infinite;
    }

    /* ============ CTA FIJA MÓVIL ============ */
    .mobile-cta {
      display: none;
      position: fixed;
      inset-inline: 0;
      bottom: 0;
      z-index: 95;
      padding: 10px var(--space-2) 10px;
      background: rgba(251, 248, 243, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-top: 1px solid var(--color-border);
      transform: translateY(110%);
      visibility: hidden;
      transition: transform var(--dur-med) var(--ease-out), visibility 0s var(--dur-med);
    }
    .mobile-cta.show { transform: translateY(0); visibility: visible; transition-delay: 0s; }
    .mobile-cta .btn { width: 100%; }

    /* ============ REVEAL ON SCROLL ============ */
    /* Animación por keyframes: al terminar libera transform/transition,
       así los hovers de tarjetas siguen vivos. Sin JS, la página se ve entera. */
    .js .reveal { opacity: 0; }
    .js .reveal.visible {
      opacity: 1;
      animation: reveal-rise 600ms var(--ease-out) backwards;
      animation-delay: var(--reveal-delay, 0ms);
    }
    .js .reveal-text.visible { animation-name: reveal-rise-sm; }
    @keyframes reveal-rise {
      from { opacity: 0; transform: translateY(24px); }
    }
    @keyframes reveal-rise-sm {
      from { opacity: 0; transform: translateY(11px); }
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1060px) {
      .steps { grid-template-columns: repeat(2, 1fr); }
      .perks { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 820px) {
      section { padding-block: var(--space-5); }
      .nav-toggle { display: inline-flex; }
      .nav-scrim { display: block; }
      .nav-links {
        position: fixed;
        inset: 76px 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-3);
        gap: var(--space-1);
        z-index: 100;
        transform: translateY(-130%);
        visibility: hidden;
        transition: transform var(--dur-med) var(--ease-out), visibility 0s var(--dur-med);
      }
      .nav-links.open { transform: translateY(0); visibility: visible; transition-delay: 0s; }
      .nav-links a:not(.btn) { padding: 14px 8px; font-size: var(--text-base); }
      .nav-links .btn { margin-top: var(--space-1); }

      .hero { min-height: auto; padding-top: calc(76px + var(--space-5)); }
      .hero-glyph { right: -18%; top: -2%; }

      .services-grid { grid-template-columns: 1fr; }
      .service-featured { grid-row: auto; }

      /* Proyectos: carrusel con scroll-snap — decisión de móvil, no apilado */
      .projects-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        margin-inline: calc(-1 * var(--space-3));
        padding-inline: var(--space-3);
        padding-bottom: var(--space-1);
      }
      .projects-grid::-webkit-scrollbar { display: none; }
      .project-card { flex: 0 0 85%; scroll-snap-align: center; }
    }

    @media (max-width: 700px) {
      .steps { grid-template-columns: 1fr; gap: 0; }
      /* Línea de tiempo vertical: la regla pasa al lateral */
      .step {
        border-top: 0;
        border-inline-start: 1px solid var(--color-border);
        padding: 0 0 var(--space-4) var(--space-3);
      }
      .step:last-child { padding-bottom: 0; }
      .step::before { top: 0; left: -4.5px; }
    }

    @media (max-width: 560px) {
      .hero-ctas .btn { width: 100%; }
      .cta-band .hero-ctas .btn { width: 100%; }
      .perks { grid-template-columns: repeat(2, 1fr); }
      .perk { padding: var(--space-3) var(--space-2); }
      .wa-float { display: none; }
      .mobile-cta { display: block; }
      body.has-mobile-cta { padding-bottom: 84px; }
    }

    /* ============ REDUCED MOTION ============ */
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
      .js .reveal { opacity: 1 !important; animation: none !important; }
      .marquee-track { animation: none; }
      .service-featured:hover, .wa-float:hover { animation: none; }
    }
  

    /* ============ HUB · segunda línea de servicios ============ */
    .services-grid--duo .service-featured { grid-row: 1 / span 2; }
    .service-card.service-featured[href] { text-decoration: none; }
    .service-tag--muted {
      background: transparent;
      color: var(--color-muted-text);
      border: 1px solid var(--color-border-strong);
    }
    .service-more {
      margin-top: var(--space-2);
      font-family: var(--font-label);
      font-size: var(--text-xs);
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-accent);
    }
    .service-price {
      font-family: var(--font-label);
      font-size: var(--text-sm);
      font-weight: 700;
      letter-spacing: 0.01em;
      color: var(--color-ink);
      margin-top: 10px;
    }
    .service-price span {
      font-size: var(--text-xs);
      font-weight: 500;
      color: var(--color-muted-text);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-right: 4px;
    }
    .service-featured .service-price { margin-top: var(--space-2); }

    /* ============ VOXEL BID (landing de servicio) ============ */
    .nav-back {
      font-family: var(--font-label);
      font-size: var(--text-xs);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-muted-text);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: color var(--dur-fast) var(--ease-out);
    }
    .nav-back:hover { color: var(--color-ink); }

    .vb-lead {
      font-size: clamp(1.15rem, 2vw, 1.6rem);
      color: var(--color-ink);
      font-weight: 500;
      max-width: 34ch;
      margin-bottom: var(--space-3);
      letter-spacing: -0.01em;
    }
    .vb-body { max-width: 64ch; }
    .vb-body p { color: var(--color-muted-text); margin-bottom: var(--space-2); }
    .vb-closer { margin-top: var(--space-3); color: var(--color-ink); font-weight: 500; max-width: 60ch; }

    /* Problema: lista con marcador de seda */
    .vb-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); max-width: 64ch; margin-top: var(--space-3); }
    .vb-list li { position: relative; padding-left: 28px; color: var(--color-secondary); font-size: var(--text-base); }
    .vb-list li::before {
      content: ""; position: absolute; left: 0; top: 0.55em;
      width: 8px; height: 8px; border-radius: 2px; background: var(--grad-dot);
    }

    /* Bloques de valor */
    .vb-values {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 1px; background: var(--color-border);
      border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden;
    }
    .vb-value { background: var(--color-surface); padding: var(--space-4) var(--space-3); display: flex; flex-direction: column; gap: 10px; }
    .vb-value-kicker { font-family: var(--font-label); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
    .vb-value h3 { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.01em; }
    .vb-value p { font-size: var(--text-sm); color: var(--color-muted-text); }

    /* Callout honesto (límite: no prometemos adjudicación) */
    .vb-note {
      border: 1.5px solid transparent;
      background: linear-gradient(var(--color-surface), var(--color-surface)) padding-box, var(--grad-ring) border-box;
      border-radius: var(--radius-lg);
      padding: var(--space-3) var(--space-4);
      margin-top: var(--space-4);
      max-width: 72ch;
    }
    .vb-note p { color: var(--color-secondary); font-size: var(--text-base); }
    .vb-note strong { color: var(--color-ink); font-weight: 700; }

    /* Qué recibes: checklist */
    .vb-checklist { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2) var(--space-4); max-width: 900px; }
    .vb-checklist li { position: relative; padding-left: 30px; color: var(--color-ink); font-size: var(--text-base); }
    .vb-checklist li::before { content: "\2713"; position: absolute; left: 0; top: 0; color: var(--color-accent); font-weight: 700; }

    /* Precios */
    .vb-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); align-items: stretch; }
    .vb-plan {
      border: 1px solid var(--color-border); border-radius: var(--radius-lg);
      background: var(--color-surface); padding: var(--space-4) var(--space-3);
      display: flex; flex-direction: column; gap: var(--space-2);
      transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
    }
    .vb-plan:hover { border-color: var(--color-border-strong); transform: translateY(-4px); box-shadow: var(--shadow-lift); }
    .vb-plan--featured {
      border: 1.5px solid transparent;
      background: linear-gradient(150deg, #EFEBFA, #FDF0F6) padding-box, var(--grad-ring) border-box;
    }
    .vb-plan-model { font-family: var(--font-label); font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent); }
    .vb-plan h3 { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; }
    .vb-plan-price { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; letter-spacing: -0.01em; color: var(--color-ink); }
    .vb-plan p { font-size: var(--text-sm); color: var(--color-muted-text); }
    .vb-ref { margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--color-border-strong); font-family: var(--font-label); font-size: 11px; letter-spacing: 0.03em; color: var(--color-muted-text); }
    .vb-pricing-note { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-muted-text); max-width: 70ch; }

    /* FAQ (acordeón nativo con mejora JS) */
    .faq { display: flex; flex-direction: column; max-width: 840px; }
    .faq details { border-bottom: 1px solid var(--color-border); }
    .faq summary {
      list-style: none; cursor: pointer; padding: var(--space-3) 0;
      display: flex; justify-content: space-between; align-items: center; gap: var(--space-2);
      font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-ink);
    }
    .faq summary::-webkit-details-marker { display: none; }
    .faq summary::after { content: "+"; font-family: var(--font-label); font-size: 1.5rem; line-height: 1; color: var(--color-accent); transition: transform var(--dur-med) var(--ease-out); }
    .faq details[open] summary::after { transform: rotate(45deg); }
    .faq .faq-a { padding: 0 0 var(--space-3); color: var(--color-muted-text); font-size: var(--text-base); max-width: 72ch; }

    /* Bloque de confianza: método + garantías */
    .vb-trust { display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-4); align-items: start; }
    .vb-method { list-style: none; counter-reset: m; display: flex; flex-direction: column; gap: var(--space-3); }
    .vb-method li { position: relative; padding-left: 46px; }
    .vb-method li::before {
      counter-increment: m; content: counter(m, decimal-leading-zero);
      position: absolute; left: 0; top: 2px;
      font-family: var(--font-label); font-weight: 700; font-size: var(--text-sm); color: var(--color-accent);
    }
    .vb-method h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: 3px; }
    .vb-method p { font-size: var(--text-sm); color: var(--color-muted-text); }
    .vb-guarantee { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); padding: var(--space-3) var(--space-3); }
    .vb-guarantee h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-2); }
    .vb-guarantee ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .vb-guarantee li { position: relative; padding-left: 26px; font-size: var(--text-sm); color: var(--color-secondary); }
    .vb-yes li::before { content: "\2713"; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }
    .vb-no { margin-top: var(--space-2); padding-top: var(--space-2); border-top: 1px dashed var(--color-border-strong); }
    .vb-no li::before { content: "\2715"; position: absolute; left: 0; color: var(--color-magenta); font-weight: 700; }

    @media (max-width: 1060px) {
      .vb-values { grid-template-columns: 1fr 1fr; }
      .vb-pricing { grid-template-columns: 1fr; }
    }
    @media (max-width: 820px) {
      .vb-values { grid-template-columns: 1fr; }
      .vb-checklist { grid-template-columns: 1fr; }
      .vb-trust { grid-template-columns: 1fr; }
    }

    /* ============ PRECIOS · qué incluye (viñetas) ============ */
    .vb-plan-lead { font-size: var(--text-sm); color: var(--color-muted-text); }
    .vb-includes { list-style: none; display: flex; flex-direction: column; gap: 9px; }
    .vb-includes li { position: relative; padding-left: 26px; font-size: var(--text-sm); color: var(--color-secondary); }
    .vb-includes li::before {
      content: "\2713"; position: absolute; left: 0; top: 0;
      color: var(--color-accent); font-weight: 700;
    }

    /* ============ PORTAFOLIO · entregable de ejemplo + prueba real ============ */
    #portafolio { background: var(--color-surface); border-block: 1px solid var(--color-border); }

    /* Helper de texto en degradado reutilizable */
    .demo-grad {
      color: var(--color-violet);
      background: var(--grad-silk);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .demo-card {
      max-width: 940px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .demo-card-head {
      display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2);
      padding: var(--space-3);
      border-bottom: 1px solid var(--color-border);
    }
    .demo-card-head h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; }
    .demo-card-head .demo-sub { font-family: var(--font-label); font-size: var(--text-xs); font-weight: 500; color: var(--color-muted-text); margin-top: 3px; }
    .badge-demo {
      flex-shrink: 0;
      display: inline-flex; align-items: center; gap: 7px;
      font-family: var(--font-label); font-size: 11px; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: #FFFFFF; background: var(--grad-silk);
      padding: 7px 14px; border-radius: var(--radius-full);
    }
    .badge-demo::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #FFFFFF; opacity: 0.9; }
    .demo-note { margin-top: var(--space-2); font-size: var(--text-xs); color: var(--color-muted-text); font-style: italic; max-width: 64ch; }

    /* Voxel Bid — matriz de trazabilidad */
    .demo-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    /* Enfocable con teclado (tabindex=0) para desplazarla; foco hacia adentro
       porque .demo-card recorta con overflow:hidden. */
    .demo-scroll:focus-visible { outline-offset: -3px; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
    .demo-matrix { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 560px; }
    .demo-matrix th {
      font-family: var(--font-label); font-size: 11px; font-weight: 700;
      letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted-text);
      text-align: left; padding: 13px var(--space-3); background: #FBFAFE;
      border-bottom: 1px solid var(--color-border);
    }
    .demo-matrix td { padding: var(--space-2) var(--space-3); border-top: 1px solid var(--color-border); vertical-align: top; color: var(--color-secondary); }
    .demo-ref {
      display: inline-block; font-family: var(--font-label); font-size: 12px; font-weight: 700;
      color: var(--color-accent); background: #EEF0FF; padding: 3px 8px; border-radius: 6px;
      white-space: nowrap; margin-bottom: 6px;
    }
    .demo-matrix td strong { color: var(--color-ink); font-weight: 700; }
    .demo-matrix td.demo-check { color: #0F6E56; font-weight: 700; white-space: nowrap; }

    /* Voxel Lex — informe de hallazgos */
    .demo-findings { padding: var(--space-1) var(--space-3) var(--space-2); }
    .demo-finding { display: flex; gap: var(--space-2); padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
    .demo-finding:last-child { border-bottom: 0; }
    .demo-sev {
      flex-shrink: 0; align-self: flex-start;
      font-family: var(--font-label); font-size: 11px; font-weight: 700;
      letter-spacing: 0.04em; text-transform: uppercase;
      padding: 5px 10px; border-radius: var(--radius-full);
      min-width: 96px; text-align: center;
    }
    .demo-sev.alto { color: var(--color-magenta); background: #FBEAF1; }
    .demo-sev.plazo { color: #B45309; background: #FDF3E3; }
    .demo-sev.vacio { color: var(--color-secondary); background: #F1EEF6; }
    .demo-finding h4 { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; margin-bottom: 3px; letter-spacing: -0.01em; }
    .demo-finding p { font-size: var(--text-sm); color: var(--color-muted-text); }
    .demo-cl { display: inline-block; margin-top: 6px; font-family: var(--font-label); font-size: 12px; font-weight: 500; color: var(--color-accent); }

    /* Voxel Flow — flujo de pasos + métrica */
    .demo-flow { display: flex; align-items: stretch; gap: var(--space-1); padding: var(--space-3); flex-wrap: wrap; }
    .demo-step { flex: 1; min-width: 130px; background: #FBFAFE; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-2); }
    .demo-step .n { font-family: var(--font-label); font-size: 12px; font-weight: 700; color: var(--color-accent); }
    .demo-step h4 { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; margin: 6px 0 4px; letter-spacing: -0.01em; }
    .demo-step p { font-size: var(--text-xs); color: var(--color-muted-text); }
    .demo-arrow { display: flex; align-items: center; color: var(--color-border-strong); font-weight: 700; font-size: 20px; }
    .demo-metric { margin: 0 var(--space-3) var(--space-3); display: flex; align-items: center; gap: var(--space-3); background: #FBFAFE; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-2) var(--space-3); flex-wrap: wrap; }
    .demo-metric .col .big { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; letter-spacing: -0.01em; line-height: 1.1; }
    .demo-metric .col .lbl { font-size: var(--text-xs); color: var(--color-muted-text); }
    .demo-metric .col + .col { border-left: 1px solid var(--color-border); padding-left: var(--space-3); }

    /* Prueba real — tira de proyectos reales */
    .proof-strip { margin-top: var(--space-5); }
    .proof-strip-head h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; }
    .proof-lead { font-size: var(--text-sm); color: var(--color-muted-text); max-width: 68ch; margin-top: 8px; }
    .proofs { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
    .proof {
      display: flex; flex-direction: column; gap: 6px;
      border: 1px solid var(--color-border); border-radius: var(--radius-lg);
      background: var(--color-surface); padding: var(--space-3);
      transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
    }
    .proof:hover, .proof:focus-within { border-color: var(--color-border-strong); transform: translateY(-4px); box-shadow: var(--shadow-lift); }
    .proof .tag { font-family: var(--font-label); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted-text); }
    .proof h4 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.01em; }
    .proof p { font-size: var(--text-sm); color: var(--color-muted-text); flex: 1; }
    .proof-link { font-family: var(--font-label); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.04em; color: var(--color-accent); display: inline-flex; align-items: center; gap: 7px; margin-top: 4px; }
    .proof:hover .proof-link, .proof:focus-within .proof-link { text-decoration: underline; text-underline-offset: 3px; }

    /* Enlace entre servicios (un solo estudio) */
    .studio-cross { padding-block: var(--space-5); border-top: 1px solid var(--color-border); background: var(--color-paper); }
    .cross-kicker {
      font-family: var(--font-label); font-size: var(--text-xs); font-weight: 500;
      letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted-text);
      display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--space-3);
    }
    .cross-kicker::before { content: ""; width: 28px; height: 3px; border-radius: var(--radius-full); background: linear-gradient(90deg, #1D31FF, #BE185D); }
    .cross-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
    .cross-link {
      display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
      border: 1px solid var(--color-border); border-radius: var(--radius-md);
      background: var(--color-surface); padding: var(--space-2) var(--space-3);
      font-family: var(--font-label); font-weight: 500; font-size: var(--text-sm); color: var(--color-ink);
      transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
    }
    .cross-link:hover { border-color: var(--color-border-strong); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
    .cross-link .cross-arrow { color: var(--color-accent); flex-shrink: 0; }

    /* Caso de estudio dentro de la tarjeta de proyecto (index) */
    .project-card { display: flex; flex-direction: column; }
    .project-case { padding: var(--space-3); border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
    .case-rows { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .case-row { display: flex; gap: var(--space-2); }
    .case-row .k { flex-shrink: 0; width: 78px; font-family: var(--font-label); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent); padding-top: 2px; }
    .case-row .v { font-size: var(--text-sm); color: var(--color-secondary); }
    .case-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 4px; }
    .case-stack span { font-family: var(--font-label); font-size: 11px; font-weight: 500; color: var(--color-muted-text); background: #F1EEF6; padding: 4px 10px; border-radius: var(--radius-full); }

    @media (max-width: 1060px) {
      .cross-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 820px) {
      .proofs { grid-template-columns: 1fr; }
      .demo-metric .col + .col { border-left: 0; padding-left: 0; }
    }
    @media (max-width: 700px) {
      .demo-arrow { display: none; }
      .demo-step { min-width: 100%; }
    }

    /* ============ WEBS DE EJEMPLO (galería de demos) ============ */
    #ejemplos { background: var(--color-surface); border-block: 1px solid var(--color-border); }
    .examples-note { color: var(--color-muted-text); font-size: var(--text-base); max-width: 66ch; }
    .examples-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-3); }
    .example-card {
      display: flex; flex-direction: column; gap: 8px;
      border: 1px solid var(--color-border); border-radius: var(--radius-lg);
      background: var(--color-surface); padding: var(--space-3);
      transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
    }
    .example-card:hover, .example-card:focus-within { border-color: var(--color-border-strong); transform: translateY(-4px); box-shadow: var(--shadow-lift); }
    .example-tag { font-family: var(--font-label); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted-text); }
    .example-card h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.01em; }
    .example-card p { font-size: var(--text-sm); color: var(--color-muted-text); flex: 1; }
    .example-link { font-family: var(--font-label); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.04em; color: var(--color-accent); display: inline-flex; align-items: center; gap: 7px; margin-top: 4px; }
    .example-card:hover .example-link, .example-card:focus-within .example-link { text-decoration: underline; text-underline-offset: 3px; }

    /* ============ CASOS (antes y después) ============ */
    /* Tarjeta por hallazgo: texto a la izquierda, capturas antes/después a la derecha. */
    .casos { display: flex; flex-direction: column; gap: var(--space-4); }
    .caso {
      display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-4);
      border: 1px solid var(--color-border); border-radius: var(--radius-lg);
      background: var(--color-surface); box-shadow: var(--shadow-soft);
      padding: var(--space-4);
    }
    .caso-texto { display: flex; flex-direction: column; gap: var(--space-2); }
    .caso-texto h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
    /* En el HTML el h3 va primero (así se oye al saltar por encabezados); a la vista, las etiquetas arriba. */
    .caso-etiquetas { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; order: -1; }
    .caso-etiquetas .demo-ref { margin-bottom: 0; }
    .caso-capturas { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); align-items: start; }
    .caso-capturas--apiladas { grid-template-columns: 1fr; }
    .caso-capturas figure { display: flex; flex-direction: column; gap: 10px; }
    .caso-capturas img { width: 100%; height: auto; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-paper); }
    .caso-capturas figcaption { font-size: var(--text-xs); color: var(--color-muted-text); }
    .caso-capturas figcaption strong {
      font-family: var(--font-label); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--color-ink); margin-right: 4px;
    }
    /* Zonas de la página (landmarks) como lista: lo que quedaba fuera, con borde punteado y texto. */
    .caso-zonas {
      list-style: none; display: flex; flex-direction: column; gap: 6px;
      padding: var(--space-2); background: #FBFAFE;
      border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    }
    .caso-zonas li {
      font-family: var(--font-label); font-size: var(--text-xs); font-weight: 500; color: var(--color-ink);
      background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; padding: 9px 12px;
    }
    .caso-zonas li.fuera { color: var(--color-magenta); background: #FBEAF1; border: 1px dashed var(--color-magenta); }
    .caso-intro { color: var(--color-muted-text); max-width: 64ch; margin-bottom: var(--space-3); }
    /* Igual que en las tarjetas: el h3 primero en el HTML, la cifra arriba a la vista. */
    #resultado .perk-figure { order: -1; }
    .caso-nota { margin-top: var(--space-3); margin-bottom: 0; font-size: var(--text-sm); }
    /* Enlace al caso desde Proyectos (index) */
    .caso-enlace { margin-top: var(--space-3); max-width: 760px; }

    @media (max-width: 1060px) {
      .caso { grid-template-columns: 1fr; }
    }
    @media (max-width: 560px) {
      .caso { padding: var(--space-3) var(--space-2); gap: var(--space-3); }
      .caso .case-row { flex-direction: column; gap: 2px; }
      .caso-capturas { grid-template-columns: 1fr; }
    }