/* ===========================================================================
   site.css — Sitio promocional de Artec ISP
   Identidad heredada del SaaS: rampa menta (hue 165) + IBM Plex + neutrales cool.
   Ritmo visual: secciones oscuras (hero / video / CTA) alternadas con claras.
   =========================================================================== */

:root{
  --brand-50:#effbf8; --brand-100:#d4f7ee; --brand-200:#aff4e2; --brand-300:#68f3d0;
  --brand-400:#10f9bf; --brand-500:#00c492; --brand-600:#00a87d; --brand-700:#00795a;
  --brand-800:#005c45; --brand-900:#003d2e; --brand-950:#00291f; --brand-rgb:0,196,146;

  --n0:#ffffff; --n50:#f6f8f9; --n100:#eceff2; --n200:#dde3e8; --n300:#c4ccd4;
  --n400:#9aa4b0; --n500:#707d8c; --n600:#5b6b7b; --n700:#3b4654; --n800:#2a333f;
  --n900:#1f2a37; --n950:#131a23;

  --ok:#2fb344; --warn:#f59f00; --bad:#d63939;

  --font-sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  --wrap:1180px;
  --r:14px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05), 0 6px 18px rgba(16,24,40,.06);
  --shadow-lg:0 2px 8px rgba(16,24,40,.06), 0 30px 60px -22px rgba(16,24,40,.22);
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans); background:var(--n0); color:var(--n900);
  line-height:1.62; font-size:16.5px; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;height:auto;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.14;letter-spacing:-.022em;font-weight:600}
::selection{background:rgba(var(--brand-rgb),.25)}

/* ── Foco de teclado ───────────────────────────────────────────────────────
   El anillo va POR FUERA del elemento (outline-offset), así se ve igual sobre
   el botón menta, sobre las tarjetas blancas y sobre el gris de fondo. */
:focus-visible{outline:2px solid var(--n900);outline-offset:2px;border-radius:3px}
.btn:focus-visible{outline-offset:3px}
/* estos dos viven encima de superficies oscuras: ahí el anillo tiene que ser claro */
.gal-zoom:focus-visible,.lb-x:focus-visible{outline-color:#fff}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.ico{width:24px;height:24px;flex:none;stroke:currentColor;stroke-width:1.85;fill:none;
     stroke-linecap:round;stroke-linejoin:round}
.mono{font-family:var(--font-mono);font-size:.9em}
.mint{color:var(--brand-600)}

section{padding:96px 0;position:relative}
/* Tres tonos claros y una línea: eso separa las secciones, no fondos negros. */
.tint{background:var(--n50);border-top:1px solid var(--n200);border-bottom:1px solid var(--n200)}
.soft{background:var(--brand-50);border-top:1px solid var(--brand-100);
      border-bottom:1px solid var(--brand-100)}

/* ── encabezados de sección ───────────────────────────────────────── */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:30px;
  background:rgba(var(--brand-rgb),.1);border:1px solid rgba(var(--brand-rgb),.25);
  color:var(--brand-700);font-weight:600;font-size:12.5px;letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:20px;
}
.eyebrow .ico{width:15px;height:15px}

.s-head{max-width:680px;margin:0 auto 60px;text-align:center}
/* No todas las secciones arrancan igual: las de lectura larga van a la izquierda. */
.s-head.left{margin:0 0 44px;text-align:left;max-width:760px}
.s-head.left h2{font-size:clamp(28px,3.6vw,38px)}
.s-head h2{font-size:clamp(30px,4vw,42px);margin-bottom:16px}
.s-head p{font-size:18px;color:var(--n600);line-height:1.65}

/* ── botones ──────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:11px;font-weight:600;font-size:15.5px;
  border:1px solid transparent;transition:transform .16s var(--ease),background .16s,border-color .16s,box-shadow .16s;
  white-space:nowrap;
}
.btn .ico{width:18px;height:18px;stroke-width:2.1}
.btn:hover{transform:translateY(-2px)}
.btn-p{background:var(--brand-700);color:#fff;box-shadow:0 6px 20px -6px rgba(var(--brand-rgb),.6)}
.btn-p:hover{background:var(--brand-800)}
.btn-g{border-color:var(--n300);color:var(--n900);background:var(--n0)}
.btn-g:hover{border-color:var(--brand-600);color:var(--brand-700)}
.btn-lg{padding:15px 30px;font-size:16.5px}

/* ══════════════════════ NAV ══════════════════════ */
header.nav{
  position:sticky;top:0;z-index:100;backdrop-filter:saturate(160%) blur(14px);
  background:rgba(255,255,255,.85);border-bottom:1px solid transparent;
  transition:background .25s,border-color .25s,box-shadow .25s;
}
header.nav.solid{background:rgba(255,255,255,.96);border-bottom-color:var(--n200);
                 box-shadow:0 1px 3px rgba(16,24,40,.04)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 24px;height:66px;
        display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:11px;color:var(--n900);font-weight:700;font-size:17px;
      letter-spacing:-.015em}
.logo-mark{width:34px;height:34px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff}
.logo-mark .ico{width:20px;height:20px;stroke-width:2.3}
.logo small{display:block;font-size:10px;font-weight:500;color:var(--n600);letter-spacing:.09em;
            text-transform:uppercase;line-height:1.2}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{padding:8px 13px;border-radius:8px;font-size:14.5px;font-weight:500;
             color:var(--n600);transition:.15s}
.nav-links a:hover{color:var(--n900);background:var(--n100)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:9px 18px;font-size:14.5px}

/* ══════════════════════ HERO ══════════════════════ */
.hero{
  background:var(--n0);color:var(--n900);padding:76px 0 0;overflow:hidden;position:relative;
}
/* El aire lo da un halo menta muy tenue y una grilla apenas insinuada,
   no un fondo negro. */
.hero::before{
  content:"";position:absolute;inset:-45% 20% auto -10%;height:760px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(var(--brand-rgb),.13),transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:linear-gradient(rgba(16,24,40,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(16,24,40,.035) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 15%,#000,transparent 78%);
          mask-image:radial-gradient(ellipse 90% 60% at 50% 15%,#000,transparent 78%);
}
.hero-in{position:relative;z-index:2;text-align:center;max-width:1040px;margin:0 auto}
.hero h1{font-size:clamp(34px,5.6vw,60px);font-weight:600;margin-bottom:22px;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--brand-700)}
.hero p.lead{font-size:clamp(17px,2.1vw,20.5px);color:var(--n600);max-width:660px;margin:0 auto 34px}
.hero-cta{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.hero-mini{font-size:13.5px;color:var(--n600);display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
.hero-mini span{display:flex;align-items:center;gap:6px}
.hero-mini .ico{width:15px;height:15px;color:var(--brand-600)}

/* Marco de navegador. La captura de adentro sigue siendo oscura: el marco
   claro y la sombra amplia son los que la despegan del fondo. */
.shot{
  position:relative;z-index:2;margin:52px auto -110px;max-width:1080px;
  border-radius:16px;overflow:hidden;background:#161d26;
  border:1px solid var(--n200);padding:0;
  box-shadow:0 2px 6px rgba(16,24,40,.06), 0 30px 70px -24px rgba(16,24,40,.30);
}
.shot-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#161d26;
          border-bottom:1px solid rgba(255,255,255,.07)}
.shot-bar i{width:11px;height:11px;border-radius:50%;background:#3b4654;display:block}
.shot-bar i:nth-child(1){background:#e0575f}.shot-bar i:nth-child(2){background:#e0a83a}
.shot-bar i:nth-child(3){background:#4fbf6a}
.shot-url{flex:1;margin-left:10px;background:#0f151c;border:1px solid rgba(255,255,255,.07);
  border-radius:7px;padding:4px 12px;font-family:var(--font-mono);font-size:11.5px;color:#98a4b3;
  display:flex;align-items:center;gap:7px;max-width:340px}
.shot-url .ico{width:12px;height:12px;color:var(--brand-500)}
.shot img{width:100%;display:block}
.shot-spacer{height:120px;background:var(--n0)}

/* ══════════════════════ CHIPS / COMPAT ══════════════════════ */
.compat{padding:44px 0 40px;background:var(--n0);border-bottom:1px solid var(--n100)}
.compat p{text-align:center;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
          color:var(--n600);font-weight:600;margin-bottom:22px}
.chips{display:flex;gap:11px;justify-content:center;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:30px;
      border:1px solid var(--n200);background:var(--n0);font-size:14px;font-weight:500;
      color:var(--n700);transition:.16s}
.chip:hover{border-color:var(--brand-500);color:var(--n900)}
.chip .ico{width:17px;height:17px;color:var(--brand-600)}

/* ══════════════════════ DOLORES ══════════════════════ */
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pain{padding:28px;border-radius:var(--r);border:1px solid var(--n200);background:var(--n0);
      box-shadow:var(--shadow-sm)}
.pain .top{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.pain .top .ico{width:20px;height:20px;color:var(--bad)}
.pain .top b{font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
             color:var(--bad)}
.pain h3{font-size:19px;margin-bottom:9px}
.pain p{font-size:15px;color:var(--n600)}
.pain .fix{margin-top:16px;padding-top:15px;border-top:1px dashed var(--n200);
           display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.pain .fix .ico{width:18px;height:18px;color:var(--brand-600);margin-top:3px}
.pain .fix b{color:var(--n900);font-weight:600}

/* ══════════════════════ GALERÍA ══════════════════════ */
.gal-tabs{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.gal-tab{padding:9px 17px;border-radius:10px;font-size:14.5px;font-weight:600;
  border:1px solid var(--n200);background:var(--n0);color:var(--n600);transition:.16s}
.gal-tab:hover{border-color:var(--n400);color:var(--n900)}
.gal-tab.on{background:var(--n900);border-color:var(--n900);color:#fff}
.gal-stage{max-width:1060px;margin:0 auto}
.gal-frame{border-radius:14px;overflow:hidden;border:1px solid var(--n200);
  background:#1a222c;box-shadow:var(--shadow-lg);position:relative}
.gal-frame .shot-bar{background:#161d26}
.gal-img{position:relative}
.gal-img img{width:100%;display:none}
.gal-img img.on{display:block;animation:gfade .3s var(--ease)}
@keyframes gfade{from{opacity:0}to{opacity:1}}
.gal-zoom{position:absolute;right:14px;bottom:14px;background:rgba(19,26,35,.9);color:#e6ebf0;
  border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:7px 13px;font-size:13px;
  font-weight:600;display:flex;align-items:center;gap:7px;backdrop-filter:blur(6px)}
.gal-zoom:hover{border-color:var(--brand-500);color:var(--brand-300)}
.gal-zoom .ico{width:16px;height:16px}
.gal-cap{text-align:center;margin-top:22px;max-width:640px;margin-left:auto;margin-right:auto}
.gal-cap h3{font-size:20px;margin-bottom:7px}
.gal-cap p{color:var(--n600);font-size:15.5px}
.gal-cap>div{display:none}
.gal-cap>div.on{display:block;animation:gfade .3s var(--ease)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(11,16,22,.93);display:none;
    align-items:center;justify-content:center;padding:34px;backdrop-filter:blur(4px)}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:92vh;border-radius:10px;
        box-shadow:0 40px 100px -20px rgba(0,0,0,.9)}
.lb-x{position:absolute;top:22px;right:26px;color:#c4ccd4;padding:9px;border-radius:9px}
.lb-x:hover{background:rgba(255,255,255,.1);color:#fff}

/* ══════════════════════ DEMO EMBEBIDO ══════════════════════ */
.demo-frame{max-width:1120px;margin:0 auto;border-radius:16px;overflow:hidden;
  border:1px solid var(--n200);background:#161d26;
  box-shadow:0 2px 6px rgba(16,24,40,.06), 0 30px 70px -26px rgba(16,24,40,.32)}
.demo-frame iframe{width:100%;height:660px;border:0;display:block;background:#131a23}
.demo-hint{display:flex;gap:11px;align-items:center;justify-content:center;margin-top:22px;
  font-size:14px;color:var(--n600);flex-wrap:wrap}
.demo-hint .ico{width:17px;height:17px;color:var(--brand-600)}

/* ══════════════════════ MÓDULOS ══════════════════════ */
/* Texto denso agrupado por área, no 21 tarjetitas iguales con un ícono cada una. */
.mods{display:grid;grid-template-columns:1fr 1fr;gap:0;
      border-top:1px solid var(--brand-200)}
.mod-grp{padding:28px 34px 28px 0;border-bottom:1px solid var(--brand-200)}
.mod-grp:nth-child(even){padding-left:34px;border-left:1px solid var(--brand-200)}
.mod-grp h3{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
            color:var(--brand-700);margin-bottom:12px}
.mod-grp p{font-size:16px;line-height:1.75;color:var(--n600)}
.mod-grp b{color:var(--n900);font-weight:600}

/* ══════════════════════ DIFERENCIALES ══════════════════════ */
.diff{display:grid;grid-template-columns:1fr 1fr;gap:66px;align-items:center;margin-bottom:92px}
.diff:last-child{margin-bottom:0}
.diff.rev .diff-txt{order:2}
.diff h3{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.diff p{font-size:16.5px;color:var(--n600);margin-bottom:20px}
.diff ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.diff li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.diff li .ico{width:20px;height:20px;color:var(--brand-600);margin-top:2px}
.diff li b{font-weight:600}

.diff-art{border-radius:var(--r);border:1px solid var(--n200);background:var(--n0);
  box-shadow:var(--shadow-lg);overflow:hidden}
.diff-art .hd{padding:13px 17px;border-bottom:1px solid var(--n200);display:flex;
  align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--n700);background:var(--n50)}
.diff-art .hd .ico{width:17px;height:17px;color:var(--brand-600)}
.diff-art .bd{padding:20px}

.tl{display:flex;flex-direction:column;gap:0}
.tl-i{display:flex;gap:15px;position:relative;padding-bottom:22px}
.tl-i:last-child{padding-bottom:0}
.tl-i::before{content:"";position:absolute;left:15px;top:32px;bottom:0;width:2px;background:var(--n200)}
.tl-i:last-child::before{display:none}
.tl-i .dot{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:var(--n100);color:var(--n600);position:relative;z-index:1}
.tl-i .dot .ico{width:16px;height:16px}
.tl-i.bad .dot{background:rgba(214,57,57,.12);color:var(--bad)}
.tl-i.ok  .dot{background:rgba(var(--brand-rgb),.14);color:var(--brand-700)}
.tl-i .tx{padding-top:4px}
.tl-i .tx b{display:block;font-size:14.8px;font-weight:600;margin-bottom:2px}
.tl-i .tx span{font-size:13.5px;color:var(--n600)}
.tl-i .tm{margin-left:auto;font-family:var(--font-mono);font-size:11.5px;color:var(--n600);
          padding-top:7px;white-space:nowrap}

.code{background:var(--n950);border-radius:11px;padding:17px 18px;font-family:var(--font-mono);
  font-size:12.5px;line-height:1.85;color:#c4ccd4;overflow-x:auto}
.code .c{color:#98a4b3}.code .g{color:#10f9bf}

/* ══════════════════════ SEGURIDAD ══════════════════════ */
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sec{padding:24px;border-radius:12px;border:1px solid var(--n200);background:var(--n0)}
.sec .ico{width:22px;height:22px;color:var(--brand-600);margin-bottom:13px}
.sec b{display:block;font-size:16px;margin-bottom:7px}
.sec p{font-size:14.5px;color:var(--n600)}

/* ══════════════════════ COMPARATIVA ══════════════════════ */
.cmp{max-width:900px;margin:0 auto;border-radius:var(--r);border:1px solid var(--n200);
     overflow-x:auto;background:var(--n0);box-shadow:var(--shadow-sm)}
.cmp table{width:100%;border-collapse:collapse;font-size:15.5px}
.cmp th{padding:17px 20px;text-align:left;font-size:13px;font-weight:600;letter-spacing:.05em;
        text-transform:uppercase;color:var(--n600);border-bottom:1px solid var(--n200)}
.cmp th:last-child{background:rgba(var(--brand-rgb),.07);color:var(--brand-700)}
.cmp td{padding:15px 20px;border-bottom:1px solid var(--n100);vertical-align:top}
.cmp tr:last-child td{border-bottom:none}
.cmp td:first-child{font-weight:600;width:31%}
.cmp td:nth-child(2){color:var(--n600)}
.cmp td:last-child{background:rgba(var(--brand-rgb),.05)}
.cmp td .ico{width:17px;height:17px;vertical-align:-3px;margin-right:7px}
.cmp .no .ico{color:var(--bad)} .cmp .si .ico{color:var(--brand-600)}

/* ══════════════════════ FAQ ══════════════════════ */
.faq{max-width:800px;margin:0 auto}
.q{border-bottom:1px solid var(--n200)}
.q summary{padding:20px 40px 20px 0;font-size:17px;font-weight:600;cursor:pointer;
  position:relative;list-style:none;transition:color .15s}
.q summary::-webkit-details-marker{display:none}
.q summary:hover{color:var(--brand-700)}
.q summary::after{content:"";position:absolute;right:8px;top:26px;width:9px;height:9px;
  border-right:2px solid var(--n400);border-bottom:2px solid var(--n400);
  transform:rotate(45deg);transition:transform .22s var(--ease)}
.q[open] summary::after{transform:rotate(-135deg);border-color:var(--brand-600)}
.q p{padding:0 30px 22px 0;color:var(--n600);font-size:15.8px}

/* ══════════════════════ CTA ══════════════════════ */
.cta{text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:auto -10% -60% -10%;height:520px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(var(--brand-rgb),.14),transparent 70%)}
.cta-in{position:relative;z-index:2;max-width:640px;margin:0 auto}
.cta h2{font-size:clamp(30px,4.4vw,44px);margin-bottom:18px}
.cta p{font-size:18.5px;color:var(--n600);margin-bottom:32px}
.cta-btns{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.cta-mini{font-size:14px;color:var(--n600)}

/* ══════════════════════ FORMULARIO ══════════════════════ */
.form-sep{display:flex;align-items:center;gap:16px;margin:36px auto 26px;max-width:560px;
          color:var(--n600);font-size:14px}
.form-sep::before,.form-sep::after{content:"";flex:1;height:1px;background:var(--n200)}

.form{max-width:560px;margin:0 auto;text-align:left}
.form-fila{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;margin-bottom:14px}
.form label>span{display:block;font-size:13.5px;font-weight:600;color:var(--n700);
                 margin-bottom:6px}
.form label>span i{font-style:normal;font-weight:400;color:var(--n600)}
.form input,.form textarea{
  width:100%;font-family:inherit;font-size:15.5px;color:var(--n900);
  background:var(--n0);border:1px solid var(--n300);border-radius:10px;
  padding:11px 13px;transition:border-color .15s,box-shadow .15s;
}
.form textarea{resize:vertical;min-height:110px;line-height:1.55}
.form input:hover,.form textarea:hover{border-color:var(--n400)}
.form input:focus,.form textarea:focus{
  outline:none;border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(var(--brand-rgb),.18);
}
.form input:user-invalid,.form textarea:user-invalid{border-color:var(--bad)}

/* el campo trampa no se ve, pero tampoco se puede tabular ni leer en voz alta */
.trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-pie{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-aviso{font-size:14.5px;line-height:1.5;margin:0;flex:1;min-width:220px}
.form-aviso.ok{color:var(--brand-700);font-weight:600}
.form-aviso.mal{color:var(--bad)}
.form.enviando button{opacity:.6;pointer-events:none}
@media(max-width:620px){.form-fila{grid-template-columns:1fr}}

/* ══════════════════════ PÁGINA LEGAL ══════════════════════ */
.legal{max-width:720px}
.legal h1{font-size:clamp(32px,4.4vw,44px);margin-bottom:10px}
.legal .legal-fecha{font-family:var(--font-mono);font-size:13px;color:var(--n600);
                    margin-bottom:34px}
.legal .legal-intro{font-size:18.5px;color:var(--n700);padding-bottom:30px;
                    border-bottom:1px solid var(--n200);margin-bottom:8px}
.legal h2{font-size:21px;margin:38px 0 12px}
.legal p{font-size:16.5px;color:var(--n600);margin-bottom:14px}
.legal b{color:var(--n900);font-weight:600}
.legal a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.legal a:hover{color:var(--brand-800)}
.legal-lista{list-style:none;margin:0 0 16px}
.legal-lista li{font-size:16.5px;color:var(--n600);padding:11px 0 11px 20px;
                border-left:2px solid var(--brand-200);margin-bottom:8px}
.legal-volver{margin-top:44px;padding-top:26px;border-top:1px solid var(--n200)}
.legal-volver a{display:inline-flex;align-items:center;gap:8px;font-weight:600;
                text-decoration:none}
.legal-volver .ico{width:17px;height:17px}

/* ══════════════════════ FOOTER ══════════════════════ */
footer{background:var(--n50);color:var(--n600);padding:56px 0 34px;font-size:14.5px;
       border-top:1px solid var(--n200)}
.f-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.f-top h3{font-size:13px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;
          color:var(--n900);margin-bottom:14px}
.f-top a{display:block;padding:5px 0;transition:color .15s}
.f-top a:hover{color:var(--brand-700)}
.f-top a.logo{display:flex;padding:0}   /* el logo no es un link de lista */
.f-about p{margin-top:14px;max-width:290px;line-height:1.6}
.f-bot{border-top:1px solid var(--n200);padding-top:24px;display:flex;
       justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--n600)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ══════════════════════ RESPONSIVE ══════════════════════ */
@media(max-width:980px){
  .sec-grid{grid-template-columns:1fr 1fr}
  .mods{grid-template-columns:repeat(2,1fr)}
  .diff{grid-template-columns:1fr;gap:34px;margin-bottom:64px}
  .diff.rev .diff-txt{order:0}
  .f-top{grid-template-columns:1fr 1fr}
  .demo-frame iframe{height:560px}
}
@media(max-width:720px){
  section{padding:66px 0}
  .nav-links{display:none}
  .nav-cta .btn-g{display:none}
  .pains,.sec-grid,.mods,.f-top{grid-template-columns:1fr}
  /* en una sola columna el borde y el sangrado del par sobran */
  .mod-grp:nth-child(even){padding-left:0;border-left:none}
  .mod-grp{padding-right:0}
  .shot{margin:36px auto -60px}
  .shot-spacer{height:70px}
  .shot-url{display:none}
  .hero-mini{gap:14px;font-size:12.5px}
  /* la tabla no se aplasta: se desliza dentro de su caja */
  .cmp table{font-size:14px;min-width:560px}
  .cmp th,.cmp td{padding:12px 13px}
  .demo-frame iframe{height:480px}
  .gal-tab{font-size:13px;padding:7px 13px}
}