/* ==========================================================================
   Mutilva Web · Rediseño "Retícula" (identidad B, modernizada, marca)
   Hoja base del sitio (home + subpáginas). Archivo + JetBrains Mono.
   Azul de marca #3b82f6 + navy #1a2332. Plano, editorial, preciso.
   ========================================================================== */
:root{
  --paper:#ffffff; --band:#f4f7fb; --ink:#1a2332; --body:#46506a;
  --blue:#3b82f6; --blue-deep:#2563eb; --blue-soft:#eaf1fe;
  --line:#e6ebf2; --line-strong:#d5dced; --mut:#7c8aa3; --dark:#151c2b;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1160px; --r:12px; --r-lg:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.mw{margin:0;background:var(--paper);color:var(--body);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.mw img{max-width:100%;display:block}
.mw a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.mono{font-family:var(--mono)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--blue);display:block;flex:0 0 auto}

/* ---- Scroll progress ---- */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(var(--scroll-pct,0%));transform-origin:left;background:var(--blue);z-index:2000;transition:transform .1s linear}
.scroll-progress{width:1px;transform:none;background:transparent}
#scrollProgress{position:fixed;top:0;left:0;height:2px;background:var(--blue);width:var(--scroll-pct,0%);z-index:2000;transition:width .08s linear}

/* ---- Botones: firma "marcas de registro / plano técnico" ----
   Cuadrados + marcas de esquina (crop marks) + inversión azul->navy al hover.
   Nada de pastilla redondeada con sombrita (el botón por defecto de IA). */
.btn{
  --tick:rgba(255,255,255,.6);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:.015em;
  padding:16px 26px;border-radius:2px;border:0;cursor:pointer;text-decoration:none;
  white-space:nowrap;position:relative;transition:background .18s ease,color .18s ease;
}
.btn::before{
  content:"";position:absolute;inset:5px;pointer-events:none;
  background:
    linear-gradient(var(--tick),var(--tick)) left top/11px 1.5px no-repeat,
    linear-gradient(var(--tick),var(--tick)) left top/1.5px 11px no-repeat,
    linear-gradient(var(--tick),var(--tick)) right top/11px 1.5px no-repeat,
    linear-gradient(var(--tick),var(--tick)) right top/1.5px 11px no-repeat,
    linear-gradient(var(--tick),var(--tick)) left bottom/11px 1.5px no-repeat,
    linear-gradient(var(--tick),var(--tick)) left bottom/1.5px 11px no-repeat,
    linear-gradient(var(--tick),var(--tick)) right bottom/11px 1.5px no-repeat,
    linear-gradient(var(--tick),var(--tick)) right bottom/1.5px 11px no-repeat;
  transition:inset .22s cubic-bezier(.65,0,.25,1),opacity .18s;
}
.btn:hover::before{inset:3px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;--tick:rgba(255,255,255,.62)}
.btn-primary:hover{background:var(--blue-deep);--tick:rgba(255,255,255,.85)}
.btn-ghost{background:transparent;color:var(--ink);--tick:rgba(59,130,246,.6)}
.btn-ghost:hover{color:var(--blue);--tick:var(--blue)}
.btn-lg{padding:18px 30px;font-size:1rem}
@media(prefers-reduced-motion:reduce){.btn::before,.btn:hover::before{transition:none}}

/* ---- Navbar ---- */
.navbar{position:sticky;top:0;z-index:1100;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.navbar.scrolled{box-shadow:0 8px 30px -18px rgba(26,35,50,.35)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:baseline;gap:0;font-weight:900;font-size:1.06rem;letter-spacing:.01em;color:var(--ink);text-transform:uppercase;text-decoration:none}
.brand b{font-weight:900}.brand span{color:var(--blue);margin:0 1px}
.brand img{height:27px;width:auto;display:block}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{font-weight:500;font-size:.92rem;color:var(--ink);text-decoration:none;opacity:.76;transition:opacity .18s,color .18s}
.nav-links a:hover{opacity:1;color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-cta{display:inline-flex;align-items:center;background:var(--blue);color:#fff;font-weight:600;font-size:.86rem;letter-spacing:.015em;padding:11px 18px;border-radius:2px;text-decoration:none;transition:background .18s}
.nav-cta:hover{background:var(--blue-deep)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- Hero ---- */
.hero{position:relative;padding:66px 0 40px;overflow:hidden}
.hero-tag{margin-bottom:26px}
.hero-onda{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);border:1px solid var(--line);border-radius:2px;padding:7px 13px;margin-bottom:22px;background:var(--paper)}
.hero-onda svg,.hero-onda img{height:16px;width:auto;display:block}
.hero h1{font-weight:900;font-size:clamp(2rem,8.4vw,6rem);line-height:.92;letter-spacing:-.035em;color:var(--ink);margin:0;text-transform:uppercase;text-wrap:balance;overflow-wrap:break-word;hyphens:none;-webkit-hyphens:none}
.hero h1 span{color:var(--blue)}
.hero-lead{font-size:clamp(1.06rem,2vw,1.28rem);line-height:1.55;color:var(--body);max-width:48ch;margin:26px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
/* barra de spec (firma "a código") */
.spec{display:flex;flex-wrap:wrap;gap:0 36px;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}
.spec .k{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.spec .v{display:block;font-weight:700;font-size:.94rem;color:var(--ink);margin-top:4px}
/* prueba social bajo hero */
.trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;margin-top:34px}
.trust .lbl{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.trust .cl{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.9rem;color:var(--ink)}
.trust .cl img{width:24px;height:24px;border-radius:6px;background:#fff}

/* ---- Secciones ---- */
.sec{padding:66px 0}
.sec--band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec--dark{background:var(--dark)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head h2{font-weight:800;font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.025em;color:var(--ink);margin:0;line-height:1.05;text-wrap:balance}
.sec-head p{margin:8px 0 0;color:var(--body);max-width:48ch}
.sec-head .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);white-space:nowrap}

/* ---- Trabajos (rejilla editorial de webs reales) ---- */
.works{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.work{display:block;text-decoration:none;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper);transition:transform .2s,box-shadow .2s,border-color .2s}
.work:hover{transform:translateY(-4px);box-shadow:0 26px 50px -28px rgba(26,35,50,.4);border-color:var(--line-strong)}
.work-shot{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--band)}
.work-shot img{width:100%;height:100%;object-fit:cover;object-position:top}
.work-body{display:flex;align-items:center;gap:14px;padding:18px 20px}
.work-body .wl{width:34px;height:34px;border-radius:8px;flex:0 0 auto;object-fit:contain;background:#fff;border:1px solid var(--line)}
.work-body .wt{font-weight:700;color:var(--ink);font-size:1.02rem}
.work-body .wm{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--mut);margin-top:2px}
.work-body .wx{margin-left:auto;font-family:var(--mono);font-size:.7rem;color:var(--blue);white-space:nowrap}
.work--wide{grid-column:1/-1}
.work--wide .work-shot{aspect-ratio:21/7}
/* proyectos sin web pública: no son enlaces, no llevan a ningún sitio */
.work--static{cursor:default}
.work--static:hover{transform:none;box-shadow:none;border-color:var(--line)}
.work-body .wm .st{color:var(--mut)}

/* ---- Servicios (índice tipo ficha) ---- */
.svc{border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:64px 1.05fr 1.5fr auto;gap:26px;align-items:center;padding:24px 14px;border-bottom:1px solid var(--line)}
.svc-row .c{font-family:var(--mono);font-size:.74rem;color:var(--blue)}
.svc-row .t{font-weight:700;font-size:clamp(1.15rem,2.4vw,1.55rem);letter-spacing:-.01em;color:var(--ink);line-height:1.1}
.svc-row .d{font-size:.94rem;line-height:1.5;color:var(--body)}
.svc-row .x{font-family:var(--mono);font-size:.74rem;color:var(--mut);text-align:right;white-space:nowrap}
.svc-row .x b{color:var(--ink)}

/* ---- Proceso (3 pasos, es secuencia) ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;transition:transform .18s,box-shadow .18s}
.step:hover{transform:translateY(-3px);box-shadow:0 18px 36px -20px rgba(26,35,50,.3)}
.step .n{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:var(--ink);color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:16px}
.step h3{font-weight:700;font-size:1.14rem;color:var(--ink);margin:0 0 8px}
.step p{font-size:.94rem;line-height:1.55;color:var(--body);margin:0}

/* ---- Presupuesto (wizard) ---- */
.presu-wrap{max-width:760px;margin:0 auto}
.wizard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,4vw,40px);box-shadow:0 30px 60px -40px rgba(26,35,50,.4)}
.wizard-progress{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:26px}
.wizard-progress__fill{display:block;height:100%;width:0;background:var(--blue);transition:width .3s ease}
.wizard-step-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.wizard-q{font-weight:800;font-size:clamp(1.3rem,3vw,1.7rem);letter-spacing:-.02em;color:var(--ink);margin:12px 0 4px}
.wizard-hint{font-size:.9rem;color:var(--mut);margin:0 0 14px}
.wizard-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 8px}
.wizard-options[data-multi] .wizard-option__mark{border-radius:6px}
.wizard-option{display:flex;align-items:center;gap:12px;text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:12px;padding:15px 16px;cursor:pointer;font-family:var(--sans);font-size:.98rem;color:var(--ink);transition:border-color .15s,background .15s}
.wizard-option:hover{border-color:var(--blue)}
.wizard-option.is-selected{border-color:var(--blue);background:var(--blue-soft)}
.wizard-option__mark{width:20px;height:20px;border-radius:50%;border:2px solid var(--line-strong);flex:0 0 auto;position:relative;transition:.15s}
.wizard-option.is-selected .wizard-option__mark{border-color:var(--blue);background:var(--blue)}
.wizard-option.is-selected .wizard-option__mark::after{content:"";position:absolute;inset:4px;border-radius:50%;background:#fff}
.wizard-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px}
.wizard-back{background:none;border:0;color:var(--mut);font-family:var(--sans);font-weight:600;font-size:.92rem;cursor:pointer}
.wizard-back:hover{color:var(--ink)}
.wizard-estimate{text-align:center;padding:8px 0 22px;border-bottom:1px solid var(--line);margin-bottom:22px}
.wizard-estimate__label{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.wizard-estimate__range{font-weight:900;font-size:clamp(2rem,6vw,3rem);letter-spacing:-.03em;color:var(--ink);margin:8px 0}
.wizard-estimate__dash{color:var(--mut)}
.wizard-estimate__extra{font-size:.9rem;color:var(--body)}
.wizard-estimate__note{font-size:.82rem;color:var(--mut);margin:10px 0 0}
.wizard-form__title{font-size:1rem;color:var(--ink);margin:0 0 16px;line-height:1.5}
.wizard-field{display:flex;flex-direction:column;margin-bottom:14px}
.wizard-field label{font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.wizard-field label span{color:var(--mut);font-weight:500}
.wizard-field input,.wizard-field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:var(--sans);font-size:1rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.wizard-field textarea{resize:vertical;min-height:84px;line-height:1.5}
.wizard-field input:focus,.wizard-field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.14)}
.wizard-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wizard-contact-hint{font-size:.84rem;color:var(--mut);margin:-4px 0 14px}
.wizard-contact-hint.is-error{color:#dc2626;font-weight:600}
.wizard-gotcha{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.wizard-error{color:#dc2626;font-size:.88rem;margin:12px 0 0}
.wizard-done{text-align:center;padding:20px 0}
.wizard-done__icon{display:inline-flex;width:56px;height:56px;border-radius:50%;background:var(--blue-soft);color:var(--blue);align-items:center;justify-content:center;margin-bottom:14px}
.wizard-done h3{font-weight:800;font-size:1.4rem;color:var(--ink);margin:0 0 8px}
.wizard-done p{color:var(--body);margin:0;max-width:44ch;margin-inline:auto}
.wizard-noscript{color:var(--body)}
.is-loading{opacity:.7;pointer-events:none}

/* ---- Contacto ---- */
.contacto-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;align-items:start}
.contacto-aside{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.contacto-photo{width:100%;height:100%;object-fit:cover}
.contacto-photo-badge{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;background:rgba(21,28,43,.9);color:#fff;font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;padding:8px 13px;border-radius:99px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column}
.form-group-full{grid-column:1/-1}
.form-group label{font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:var(--sans);font-size:1rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.form-group textarea{resize:vertical;min-height:120px;line-height:1.5}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.14)}
.btn-submit{grid-column:1/-1;justify-self:start}
.form-success,.form-error{display:none;grid-column:1/-1;align-items:center;gap:12px;padding:16px;border-radius:12px;margin-top:4px}
.form-success.visible,.form-error.visible{display:flex}
.form-success{background:var(--blue-soft);color:var(--blue-deep)}
.form-error{background:#fef2f2;color:#dc2626}
.form-success svg,.form-error svg{flex:0 0 auto}
.form-success p,.form-error p{margin:0}

/* ---- FAQ ---- */
.faqs{max-width:820px;display:grid;gap:12px}
.faq{border:1px solid var(--line);border-radius:4px;background:var(--paper);transition:border-color .2s}
.faq.is-open{border-color:var(--line-strong)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;background:none;border:0;cursor:pointer;padding:18px 20px;font-family:var(--sans);font-weight:700;font-size:1rem;color:var(--ink);text-align:left;transition:color .15s}
.faq-q:hover{color:var(--blue)}
.faq-ico{position:relative;width:15px;height:15px;flex:0 0 auto}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform .28s cubic-bezier(.4,0,.2,1),opacity .28s}
.faq-ico::before{left:0;top:6.5px;width:15px;height:2px}
.faq-ico::after{left:6.5px;top:0;width:2px;height:15px}
.faq.is-open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s cubic-bezier(.4,0,.2,1)}
.faq.is-open .faq-a{grid-template-rows:1fr}
.faq-a-in{overflow:hidden;min-height:0}
.faq-a p{color:var(--body);line-height:1.65;margin:0;padding:0 20px 18px}
@media(prefers-reduced-motion:reduce){.faq-a{transition:none}.faq-ico::before,.faq-ico::after{transition:none}}
/* Layout 2 columnas: título sticky a la izquierda, FAQs a la derecha */
.faq-2col{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(30px,5vw,64px);align-items:start}
.faq-intro{position:sticky;top:96px}
.faq-intro .eyebrow{margin-bottom:14px}
.faq-intro h1,.faq-intro h2{font-weight:800;font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.025em;color:var(--ink);margin:0 0 14px;line-height:1.05;text-wrap:balance}
.faq-intro p{color:var(--body);line-height:1.6;margin:0 0 22px;max-width:36ch}
@media(max-width:860px){.faq-2col{grid-template-columns:1fr;gap:26px}.faq-intro{position:static}}

/* ---- Cierre ---- */
.closer{padding:70px 0}
.closer-in{background:var(--dark);border-radius:22px;padding:clamp(30px,5vw,60px);display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.closer-in::after{content:"";position:absolute;right:-50px;bottom:-70px;width:280px;height:280px;border:1px solid rgba(255,255,255,.08);border-radius:50%}
.closer-in::before{content:"";position:absolute;right:18px;bottom:-6px;width:180px;height:180px;border:1px solid rgba(59,130,246,.4);border-radius:50%}
.closer h2{position:relative;z-index:1;font-weight:900;text-transform:uppercase;font-size:clamp(1.9rem,5.4vw,3.4rem);line-height:.94;letter-spacing:-.03em;color:#fff;margin:0}
.closer h2 span{color:var(--blue)}
.closer .con{position:relative;z-index:1;text-align:right;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.closer .con .mono{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#8ea0bd}

/* ---- Footer ---- */
.footer{border-top:1px solid var(--line);background:var(--paper)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:52px 0 30px}
.footer-brand .brand{margin-bottom:14px}
.footer-logo{display:inline-block;line-height:0}
.footer-logo img{height:64px;width:auto;display:block;margin-bottom:16px}
.footer-tagline{font-size:.9rem;color:var(--body);max-width:34ch;line-height:1.6}
.footer h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin:0 0 16px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer ul a,.footer ul li{font-size:.9rem;color:var(--body);text-decoration:none}
.footer ul a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line)}
.footer-copy{font-family:var(--mono);font-size:.72rem;color:var(--mut);margin:0}
.footer-legal{display:flex;gap:16px;flex-wrap:wrap}
.footer-legal a{font-size:.8rem;color:var(--mut);text-decoration:none}
.footer-legal a:hover{color:var(--blue)}

/* ---- Flotantes ---- */
.cta-fab{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:4px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -10px rgba(26,35,50,.5);z-index:950;transition:transform .15s,background .18s}
.cta-fab:hover{background:var(--ink);transform:translateY(-2px)}
.back-to-top{position:fixed;left:20px;bottom:20px;width:44px;height:44px;border-radius:4px;background:var(--ink);color:#fff;border:0;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;z-index:940;cursor:pointer}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:none}
.mobile-cta{position:fixed;left:12px;right:12px;bottom:12px;display:none;align-items:center;justify-content:center;padding:10px;background:rgba(21,28,43,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:16px;z-index:900;opacity:0;transform:translateY(18px);transition:.3s;pointer-events:none}
.mobile-cta.visible{opacity:1;transform:none;pointer-events:auto}
.mobile-cta__btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;font-weight:600;letter-spacing:.015em;padding:14px;border-radius:2px;text-decoration:none}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.animate-on-scroll{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}
.animate-on-scroll.visible{opacity:1;transform:none}

@media(max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .contacto-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav-links,.nav-actions .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 24px;gap:14px;display:none}
  .nav-links.open{display:flex}
  .mobile-cta{display:flex}
  .works{grid-template-columns:1fr}
  .work--wide .work-shot{aspect-ratio:16/9}
  .svc-row{grid-template-columns:46px 1fr;gap:6px 14px;padding:20px 8px}
  .svc-row .d,.svc-row .x{grid-column:2;text-align:left}
  .wizard-options,.wizard-row,.contact-form{grid-template-columns:1fr}
  .closer-in,.closer .con{align-items:flex-start;text-align:left}
  .closer .con{align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){.animate-on-scroll{opacity:1;transform:none;transition:none}}

/* ====== Hero · fondo vivo: blueprint + aura azul + puntos (v9) ====== */
.hero{isolation:isolate}
.hero .wrap{position:relative;z-index:2}
.hero::before{content:"";position:absolute;inset:-1px;z-index:0;pointer-events:none;background-image:linear-gradient(to right,rgba(59,130,246,.10) 1px,transparent 1px),linear-gradient(to bottom,rgba(59,130,246,.10) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(135% 120% at 90% 2%,#000 0%,rgba(0,0,0,.5) 44%,transparent 74%);mask-image:radial-gradient(135% 120% at 90% 2%,#000 0%,rgba(0,0,0,.5) 44%,transparent 74%);animation:heroGrid 34s linear infinite}
@keyframes heroGrid{to{background-position:40px 40px,40px 40px}}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(44% 58% at 84% 4%,rgba(59,130,246,.19),transparent 70%),radial-gradient(40% 52% at 99% 40%,rgba(37,99,235,.12),transparent 72%),radial-gradient(52% 66% at 72% -14%,rgba(234,241,254,.9),transparent 72%);animation:heroAura 15s ease-in-out infinite alternate}
@keyframes heroAura{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-2.4%,2.2%,0) scale(1.09)}}
.hero-fx{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.hero-fx i{position:absolute;display:block;width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 12px rgba(59,130,246,.55)}
.hero-fx i:nth-child(1){right:8%;top:16%;animation:heroDot 7s ease-in-out infinite}
.hero-fx i:nth-child(2){right:22%;top:30%;width:6px;height:6px;animation:heroDot 9s ease-in-out infinite .8s}
.hero-fx i:nth-child(3){right:13%;top:47%;width:5px;height:5px;background:var(--blue-deep);animation:heroDot 8s ease-in-out infinite 1.4s}
.hero-fx i:nth-child(4){right:31%;top:11%;width:5px;height:5px;animation:heroDot 11s ease-in-out infinite .4s}
.hero-fx i:nth-child(5){right:4%;top:37%;width:6px;height:6px;animation:heroDot 10s ease-in-out infinite 1s}
@keyframes heroDot{0%,100%{transform:translateY(0);opacity:.28}50%{transform:translateY(-16px);opacity:.78}}
@media (max-width:720px){.hero-fx{display:none}}
@media (prefers-reduced-motion:reduce){.hero::before,.hero::after,.hero-fx i{animation:none}}