/* =========================================================
     AXIOM IT — manual de marca
       Naranja  #FF6A00   ·   Negro #222222   ·   Gris #888888
       Montserrat Bold / ExtraBold
     Sistema monocromático + un solo acento:
       --accent (naranja) = MERCADOTECNIA
       --steel  (neutro)  = DESARROLLO
     Se tocan una sola vez: en el diagrama del circuito.
     ========================================================= */

  @font-face {
    font-family: "Montserrat";
    src: url("font/montserrat/montserrat.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
  }

  :root {
    color-scheme: dark;
    --ground:      #171717;
    --ground-2:    #1D1D1D;
    --surface:     #222222;
    --surface-2:   #2B2B2B;
    --line:        rgba(255, 255, 255, 0.11);
    --line-2:      rgba(255, 255, 255, 0.24);
    --fg:          #F5F5F5;
    --fg-mid:      #B0B0B0;
    --fg-dim:      #888888;
    --accent:      #FF6A00;
    --accent-text: #FF8534;
    --accent-soft: rgba(255, 106, 0, 0.14);
    --glow:        rgba(255, 106, 0, 0.26);
    --steel:       #E6E6E6;
    --steel-text:  #DADADA;
    --steel-soft:  rgba(230, 230, 230, 0.10);
    --steel-glow:  rgba(230, 230, 230, 0.10);
    --on-accent:   #FFFFFF;
    --shadow:      0 30px 70px -34px rgba(0, 0, 0, 0.92);
    --shadow-sm:   0 12px 28px -18px rgba(0, 0, 0, 0.85);

    --font: "Montserrat", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

    --r:   14px;
    --r-s: 9px;
    --pad: clamp(1.15rem, 4.5vw, 4rem);
    --maxw: 1240px;
  }



  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--ground);
    color: var(--fg);
    font-family: var(--font);
    font-size: 16.5px;
    font-weight: 400;
    line-height: 1.66;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a { color: inherit; }
  img { max-width: 100%; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

  .wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

  /* ---------- tipografía (Montserrat) ---------- */
  h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: -0.028em; line-height: 1.06; text-wrap: balance; }
  h1 { font-size: clamp(2.4rem, 5.9vw, 4.7rem); line-height: 1.02; }
  h2 { font-size: clamp(1.85rem, 4vw, 3.05rem); }
  h3 { font-size: 1.14rem; font-weight: 700; letter-spacing: -0.012em; line-height: 1.3; }
  h4 { font-size: 0.95rem; font-weight: 700; }
  p  { margin: 0; max-width: 62ch; }

  .eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.19em;
    text-transform: uppercase;
    color: var(--fg-dim);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }
  .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); flex: none; }
  .lede { font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--fg-mid); }
  .num-t { font-variant-numeric: tabular-nums; }
  .label { font-size: 0.63rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }

  /* ---------- botones ---------- */
  .btn {
    display: inline-flex; align-items: center; gap: 0.55rem;
    padding: 0.85rem 1.45rem;
    border-radius: 100px;
    font-family: var(--font);
    font-size: 0.85rem; font-weight: 700; letter-spacing: 0.01em;
    text-decoration: none; white-space: nowrap; cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
  }
  .btn svg { width: 15px; height: 15px; flex: none; }
  .btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 10px 30px -12px var(--glow); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -12px var(--glow); }
  .btn-ghost { border-color: var(--line-2); color: var(--fg); }
  .btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent-text); }

  /* ---------- header ---------- */
  header.top {
    position: sticky; top: 0; z-index: 60;
    background: color-mix(in srgb, var(--ground) 88%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .top-in { display: flex; align-items: center; gap: 1.4rem; height: 72px; }
  /* Logo horizontal: una sola imagen, con su version @2x para pantallas retina */
  .logo { display: flex; align-items: center; text-decoration: none; }
  .logo img.logo-h { height: 38px; width: auto; display: block; flex: none; transition: height 0.32s cubic-bezier(0.2, 0.7, 0.3, 1); }
  header.top.scrolled .logo img.logo-h { height: 31px; }
  @media (max-width: 420px) { .logo img.logo-h { height: 31px; } }

  .foot-logo { width: 212px; height: auto; display: block; margin-bottom: 1.1rem; }
  nav.top-nav { margin-left: auto; display: flex; gap: 1.6rem; align-items: center; }
  nav.top-nav a { font-size: 0.83rem; font-weight: 600; text-decoration: none; color: var(--fg-mid); transition: color 0.18s; }
  nav.top-nav a:hover { color: var(--accent-text); }
  nav.top-nav .btn { color: var(--on-accent); }
  nav.top-nav .btn:hover { color: var(--on-accent); }
  @media (max-width: 900px) { .hide-md { display: none !important; } }

  /* ---------- HERO ---------- */
  .hero { position: relative; padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
  .hero::before {
    content: ""; position: absolute; width: 720px; height: 720px; top: -320px; left: -200px;
    border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 66%);
    pointer-events: none; z-index: 0;
  }
  .hero > * { position: relative; z-index: 1; }
  .hero-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
  @media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; } }
  .hero-copy { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
  .hero h1 .split { color: var(--accent); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

  .badge-row { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
  .stars { color: var(--accent); letter-spacing: 0.12em; font-size: 0.9rem; }
  .badge-row small { color: var(--fg-dim); font-size: 0.78rem; font-weight: 500; }

  .stat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; width: 100%; margin-top: 0.3rem; }
  @media (max-width: 460px) { .stat-cards { grid-template-columns: 1fr 1fr; } }
  .stat-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-s); padding: 0.9rem 1rem; box-shadow: var(--shadow-sm); }
  .stat-card b { display: block; font-size: 1.7rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
  .stat-card span { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--fg-dim); display: block; margin-top: 0.45rem; }

  /* ---------- consola de llamada ---------- */
  .console-shell { position: relative; }
  .console { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; }
  .console-bar {
    display: flex; align-items: center; gap: 0.65rem; padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--line);
    font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--fg-dim);
  }
  .dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2.1s infinite; flex: none; }
  @keyframes pulse {
    0%   { box-shadow: 0 0 0 0 var(--glow); }
    70%  { box-shadow: 0 0 0 9px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
  }
  .console-bar .clock { margin-left: auto; color: var(--fg-mid); font-variant-numeric: tabular-nums; font-family: var(--mono); letter-spacing: 0.06em; }
  #wave { display: block; width: 100%; height: 88px; background: var(--surface-2); }
  .transcript { padding: 1rem 1.05rem 1.1rem; display: flex; flex-direction: column; gap: 0.65rem; min-height: 218px; }
  .line { display: flex; gap: 0.7rem; align-items: baseline; opacity: 0; transform: translateY(6px); }
  .line.on { opacity: 1; transform: none; transition: opacity 0.4s, transform 0.4s; }
  .who { flex: none; font-size: 0.58rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; padding: 0.2rem 0.45rem; border-radius: 3px; }
  .who.ia { background: var(--steel-soft); color: var(--steel-text); }
  .who.cli { background: var(--accent-soft); color: var(--accent-text); }
  .said { font-size: 0.89rem; line-height: 1.5; color: var(--fg-mid); }
  .said b { color: var(--fg); font-weight: 700; }
  .console-foot { display: flex; gap: 0.4rem; flex-wrap: wrap; padding: 0.8rem 1.05rem; border-top: 1px solid var(--line); background: var(--surface-2); }
  .tag { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-dim); border: 1px solid var(--line); border-radius: 100px; padding: 0.25rem 0.65rem; }
  .tag.hit { color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

  .float-chip {
    position: absolute; z-index: 3;
    background: var(--surface); border: 1px solid var(--line); border-radius: 100px;
    box-shadow: var(--shadow-sm);
    padding: 0.55rem 0.9rem; display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.75rem; font-weight: 700;
  }
  .float-chip .d { width: 7px; height: 7px; border-radius: 50%; flex: none; }
  .chip-a { right: -16px; top: 21%; }
  .chip-b { left: -20px; bottom: 15%; }
  @media (max-width: 1080px) { .chip-a, .chip-b { display: none; } }

  /* ---------- MARQUEE ---------- */
  .marquee { border-block: 1px solid var(--line); background: var(--ground-2); overflow: hidden; padding: 1.05rem 0; }
  /* movido por JS: la velocidad y el sentido siguen al scroll */
  .mq-track { display: flex; width: max-content; gap: 2.6rem; will-change: transform; }
  .no-js .mq-track { animation: slide 34s linear infinite; }
  @keyframes slide { to { transform: translateX(-50%); } }
  .mq-item { display: flex; align-items: center; gap: 2.6rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.17em; text-transform: uppercase; color: var(--fg-dim); white-space: nowrap; }
  .mq-item::after { content: ""; width: 6px; height: 6px; background: var(--accent); transform: rotate(45deg); flex: none; }

  /* ---------- secciones ---------- */
  section { padding: clamp(3.5rem, 7.5vw, 7rem) 0; }
  section.alt { background: var(--ground-2); border-block: 1px solid var(--line); }
  .sec-head { display: flex; flex-direction: column; gap: 1rem; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
  .sec-head.center { align-items: center; text-align: center; }
  .sec-head.center .eyebrow::before { display: none; }
  .sec-head.center p { margin-inline: auto; }
  .sec-head.row { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
  .head-stack { display: flex; flex-direction: column; gap: 1rem; }

  /* ---------- SERVICIOS ---------- */
  .svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.1rem; }
  .svc {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
    padding: 1.7rem 1.5rem; display: flex; flex-direction: column; gap: 0.8rem;
    position: relative; overflow: hidden;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  }
  /* reflector que sigue al cursor */
  .svc::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), var(--sglow), transparent 62%);
    opacity: 0; transition: opacity 0.35s; pointer-events: none;
  }
  .svc:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: var(--shadow); }
  .svc:hover::before { opacity: 1; }
  .svc > * { position: relative; }
  .svc.d { --sc: var(--steel); --sct: var(--steel-text); --sglow: var(--steel-glow); }
  .svc.m { --sc: var(--accent); --sct: var(--accent-text); --sglow: var(--glow); }
  .svc .ico {
    width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
    background: color-mix(in srgb, var(--sc) 13%, transparent);
    color: var(--sct); border: 1px solid color-mix(in srgb, var(--sc) 26%, transparent);
  }
  .svc .ico svg { width: 22px; height: 22px; }
  .svc p { font-size: 0.88rem; color: var(--fg-mid); }
  .svc .kind { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sct); }

  /* ---------- CIRCUITO ---------- */
  .circuit-scroll { overflow-x: auto; padding-bottom: 0.4rem; }
  .circuit-scroll svg { display: block; min-width: 800px; width: 100%; height: auto; }
  .cnode { fill: var(--surface); stroke: var(--line-2); }
  .clabel { font-family: var(--font); font-size: 15px; font-weight: 800; fill: var(--fg); letter-spacing: -0.01em; }
  .csub { font-family: var(--font); font-size: 9px; font-weight: 700; letter-spacing: 0.14em; fill: var(--fg-dim); text-transform: uppercase; }
  .cwire { stroke-width: 2.5; fill: none; }
  .circuit-note { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: 1.4rem 2.2rem; margin-top: 2.4rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
  .circuit-note p { font-size: 0.88rem; color: var(--fg-mid); }
  .circuit-note .k { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; display: block; margin-bottom: 0.35rem; }

  /* ---------- TRABAJOS ---------- */
  .tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; }
  .tab {
    font-family: var(--font); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
    padding: 0.55rem 1rem; border-radius: 100px; border: 1px solid var(--line);
    background: transparent; color: var(--fg-dim); cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
  }
  .tab:hover { color: var(--fg); border-color: var(--line-2); }
  .tab[aria-selected="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

  .work-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.2rem; }
  .work-grid { perspective: 1400px; }
  .work {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
    overflow: hidden; display: flex; flex-direction: column;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.3, 1), border-color 0.25s, box-shadow 0.35s;
  }
  .work::after {
    content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 60%);
    opacity: 0; transition: opacity 0.35s;
  }
  .work:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
  .work:hover::after { opacity: 0.55; }
  .work.hide { display: none; }
  .work.tilt { transition: border-color 0.25s, box-shadow 0.35s; }
  .shot { position: relative; background: var(--surface-2); border-bottom: 1px solid var(--line); padding: 0.75rem; height: 210px; overflow: hidden; }
  .shot .chrome { display: flex; gap: 5px; margin-bottom: 0.6rem; }
  .shot .chrome i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); }
  .work-body { padding: 1.3rem 1.4rem 1.4rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
  .work-cat { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-dim); display: flex; align-items: center; gap: 0.45rem; }
  .work-cat::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
  .work-body p { font-size: 0.87rem; color: var(--fg-mid); }
  .work-foot { margin-top: auto; padding-top: 0.9rem; border-top: 1px solid var(--line); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--fg-dim); }

  /* maquetas de producto */
  .ui { font-family: var(--font); font-size: 10px; line-height: 1.35; color: var(--fg); }
  .ui-row { display: flex; align-items: center; gap: 6px; padding: 5px 7px; border-radius: 5px; background: var(--surface); border: 1px solid var(--line); margin-bottom: 5px; }
  .ui-row .nm { font-weight: 700; flex: 1; }
  .ui-dot { width: 6px; height: 6px; border-radius: 50%; flex: none; }
  .ui-bar { height: 5px; border-radius: 3px; background: var(--line); overflow: hidden; flex: 1.4; }
  .ui-bar i { display: block; height: 100%; border-radius: 3px; }
  .ui-mini { font-family: var(--mono); font-size: 8px; letter-spacing: 0.05em; color: var(--fg-dim); text-transform: uppercase; }
  .ui-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-bottom: 6px; }
  .ui-kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 5px; padding: 5px 6px; }
  .ui-kpi b { display: block; font-size: 14px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; }
  .ui-chart { display: flex; align-items: flex-end; gap: 3px; height: 46px; padding: 5px 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 5px; }
  .ui-chart i { flex: 1; border-radius: 2px 2px 0 0; background: var(--steel); opacity: 0.55; }
  .ui-tblhead { display: flex; gap: 6px; padding: 0 7px 4px; }
  .ui-tblhead span { flex: 1; }

  /* ---------- PROCESO ---------- */
  .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); gap: 1.4rem; }
  .step { display: flex; flex-direction: column; gap: 0.5rem; padding-top: 1.1rem; border-top: 3px solid var(--stepc); }
  .step:nth-child(1) { --stepc: var(--steel); }
  .step:nth-child(2) { --stepc: color-mix(in srgb, var(--steel) 62%, var(--accent)); }
  .step:nth-child(3) { --stepc: color-mix(in srgb, var(--steel) 28%, var(--accent)); }
  .step:nth-child(4) { --stepc: var(--accent); }
  .step .n { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; color: var(--fg-dim); }
  .step p { font-size: 0.87rem; color: var(--fg-mid); }

  /* ---------- CONTADORES ---------- */
  .counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.6rem 2rem; }
  .counter { display: flex; flex-direction: column; gap: 0.35rem; }
  .counter b { font-size: clamp(2.5rem, 5.3vw, 3.9rem); font-weight: 800; letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }
  .counter span { font-size: 0.85rem; color: var(--fg-mid); }
  .counter .c-acc { color: var(--accent); }

  /* ---------- AXIOMAS ---------- */
  .axiom { display: grid; grid-template-columns: 4.2rem 1fr; gap: clamp(0.9rem, 3vw, 2.4rem); padding: clamp(1.4rem, 3vw, 2.2rem) 0; border-top: 1px solid var(--line); align-items: start; }
  .axiom:last-child { border-bottom: 1px solid var(--line); }
  .axiom .num { font-size: 1.15rem; font-weight: 800; letter-spacing: 0.06em; color: var(--accent); padding-top: 0.3rem; }
  .axiom h3 { font-size: clamp(1.2rem, 2.4vw, 1.62rem); font-weight: 800; }
  .axiom p { margin-top: 0.55rem; font-size: 0.92rem; color: var(--fg-mid); }

  /* ---------- TESTIMONIOS ---------- */
  .quote-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(1.8rem, 4vw, 3rem); position: relative; overflow: hidden; }
  .quote-box::after { content: ""; position: absolute; inset: auto -8% -60% auto; width: 340px; height: 340px; background: radial-gradient(circle, var(--glow), transparent 68%); pointer-events: none; }
  .quote-box > * { position: relative; }
  .qslide { display: none; flex-direction: column; gap: 1.4rem; }
  .qslide.on { display: flex; }
  .qslide blockquote { margin: 0; font-size: clamp(1.1rem, 2.2vw, 1.52rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.4; max-width: 46ch; }
  .qwho { display: flex; align-items: center; gap: 0.8rem; }
  .avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 0.85rem; letter-spacing: 0.02em; flex: none; }
  .qwho small { display: block; color: var(--fg-dim); font-size: 0.76rem; font-weight: 500; }
  .qwho .qn { font-weight: 700; font-size: 0.9rem; }
  .qdots { display: flex; gap: 0.45rem; margin-top: 1.6rem; }
  .qdot { width: 28px; height: 4px; border-radius: 100px; border: 0; padding: 0; background: var(--line-2); cursor: pointer; transition: background 0.25s; }
  .qdot[aria-selected="true"] { background: var(--accent); }
  .placeholder-note {
    font-size: 0.6rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase;
    color: var(--accent-text); border: 1px dashed color-mix(in srgb, var(--accent) 50%, transparent);
    border-radius: 100px; padding: 0.3rem 0.75rem; display: inline-block;
  }

  /* ---------- FAQ ---------- */
  .faq { display: flex; flex-direction: column; }
  .faq details { border-top: 1px solid var(--line); }
  .faq details:last-of-type { border-bottom: 1px solid var(--line); }
  .faq summary {
    cursor: pointer; list-style: none; padding: 1.3rem 2.5rem 1.3rem 0;
    font-weight: 700; font-size: 1rem; letter-spacing: -0.012em; position: relative;
    transition: color 0.2s;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary:hover { color: var(--accent-text); }
  .faq summary::after {
    content: ""; position: absolute; right: 0.35rem; top: 50%;
    width: 10px; height: 10px; margin-top: -7px;
    border-right: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent);
    transform: rotate(45deg); transition: transform 0.25s;
  }
  .faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
  .faq .ans { padding: 0 2.5rem 1.4rem 0; }
  .faq .ans p { font-size: 0.91rem; color: var(--fg-mid); }

  /* ---------- CONTACTO ---------- */
  .contact-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
  @media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
  .contact-list { display: flex; flex-direction: column; gap: 1.1rem; margin-top: 1.8rem; }
  .cline { display: flex; gap: 0.85rem; align-items: center; }
  .cline .ico { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); flex: none; }
  .cline .ico svg { width: 17px; height: 17px; }
  .cline b { display: block; font-size: 0.92rem; font-weight: 700; }
  .cline small { color: var(--fg-dim); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; }

  form.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(1.5rem, 3vw, 2.2rem); display: flex; flex-direction: column; gap: 0.9rem; box-shadow: var(--shadow); }
  .f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
  @media (max-width: 520px) { .f2 { grid-template-columns: 1fr; } }
  .field { display: flex; flex-direction: column; gap: 0.38rem; }
  .field label { font-size: 0.61rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--fg-dim); }
  .field input, .field textarea, .field select {
    font-family: var(--font); font-size: 0.9rem; font-weight: 500; color: var(--fg);
    background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-s);
    padding: 0.72rem 0.85rem; transition: border-color 0.2s, background 0.2s;
  }
  .field textarea { resize: vertical; min-height: 96px; }
  .field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); outline: none; background: var(--surface); }
  .form-note { font-size: 0.74rem; color: var(--fg-dim); font-weight: 500; }

  /* ---------- FOOTER ---------- */
  footer { border-top: 1px solid var(--line); background: var(--ground-2); padding-top: clamp(2.5rem, 5vw, 4rem); }
  .foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 2rem; padding-bottom: 2.5rem; }
  @media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 480px) { .foot-grid { grid-template-columns: 1fr; } }
  .foot-col h4 { font-size: 0.63rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 1rem; }
  .foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
  .foot-col a { font-size: 0.87rem; font-weight: 500; color: var(--fg-mid); text-decoration: none; transition: color 0.18s; }
  .foot-col a:hover { color: var(--accent-text); }
  .foot-col p { font-size: 0.87rem; color: var(--fg-mid); }
  .news { display: flex; gap: 0.4rem; margin-top: 0.9rem; }
  .news input { flex: 1; min-width: 0; font-family: var(--font); font-size: 0.84rem; color: var(--fg); background: var(--surface); border: 1px solid var(--line); border-radius: 100px; padding: 0.62rem 0.95rem; }
  .news button { border: 0; cursor: pointer; background: var(--accent); color: var(--on-accent); border-radius: 100px; padding: 0 1.1rem; font-family: var(--font); font-weight: 700; font-size: 0.8rem; }
  .foot-bar { border-top: 1px solid var(--line); padding: 1.3rem 0 2rem; display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem; align-items: center; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.11em; text-transform: uppercase; color: var(--fg-dim); }
  .foot-bar .r { margin-left: auto; }

  /* ---------- barra de progreso de lectura ---------- */
  .progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 100; pointer-events: none; }
  .progress i { display: block; height: 100%; width: 0; background: var(--accent); box-shadow: 0 0 14px var(--glow); }

  /* ---------- reveal bidireccional ---------- */
  /* --dir = 1 cuando bajas (entra desde abajo), -1 cuando subes (entra desde arriba) */
  .rv {
    --dir: 1;
    opacity: 0;
    transform: translateY(calc(30px * var(--dir))) scale(0.985);
    transition:
      opacity 0.65s cubic-bezier(0.2, 0.7, 0.3, 1),
      transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: calc(var(--i, 0) * 85ms);
    will-change: transform, opacity;
  }
  .rv.in { opacity: 1; transform: none; }

  /* títulos: cada renglón sube por debajo de una máscara */
  /* el relleno deja pasar las colas de la "j" y la "y"; el margen negativo evita que mueva el layout */
  .mask { display: block; overflow: hidden; padding-bottom: 0.18em; margin-bottom: -0.18em; }
  .mask > span {
    display: block;
    transform: translateY(110%);
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: calc(var(--i, 0) * 90ms);
  }
  .rv.in .mask > span { transform: none; }

  /* el cable del circuito se dibuja al entrar */
  .cwire { stroke-dasharray: 60; stroke-dashoffset: 60; transition: stroke-dashoffset 0.85s cubic-bezier(0.16, 1, 0.3, 1); }
  .rv.in .cwire { stroke-dashoffset: 0; }
  .rv.in .cwire:nth-of-type(2) { transition-delay: 0.14s; }
  .rv.in .cwire:nth-of-type(3) { transition-delay: 0.28s; }
  .rv.in .cwire:nth-of-type(4) { transition-delay: 0.42s; }

  /* parallax suave del hero */
  .console-shell { transform: translate3d(0, var(--py, 0px), 0); }
  .hero::before { transform: translate3d(0, var(--gy, 0px), 0); }

  header.top .top-in { transition: height 0.32s cubic-bezier(0.2, 0.7, 0.3, 1); }
  header.top { transition: box-shadow 0.32s; }
  header.top.scrolled { box-shadow: 0 12px 34px -22px rgba(0, 0, 0, 0.95); }
  header.top.scrolled .top-in { height: 58px; }

  @media (prefers-reduced-motion: reduce) {
    .rv, .rv.in, .line, .line.on { opacity: 1; transform: none; transition: none; }
    .mask > span { transform: none; transition: none; }
    .cwire { stroke-dasharray: none; stroke-dashoffset: 0; transition: none; }
    .spark { display: none; }
    .dot-live, .mq-track { animation: none; }
    .console-shell, .hero::before { transform: none; }
    .btn:hover, .svc:hover, .work:hover { transform: none; }
    .progress { display: none; }
  }

/* ---------- boton flotante de WhatsApp ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 80;
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.7rem 1.1rem; border-radius: 100px;
  background: #25D366; color: #0B2B18; text-decoration: none;
  font-family: var(--font); font-size: 0.85rem; font-weight: 700;
  box-shadow: 0 14px 34px -14px rgba(0, 0, 0, 0.85);
  transition: transform 0.2s, box-shadow 0.2s;
}
.wa-float svg { width: 19px; height: 19px; flex: none; }
.wa-float:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -14px rgba(0, 0, 0, 0.9); }
@media (max-width: 560px) { .wa-float span { display: none; } .wa-float { padding: 0.85rem; } }
@media (prefers-reduced-motion: reduce) { .wa-float:hover { transform: none; } }