/* ============================================================
   TOPOGRAFÍA S.A. — Sistema de diseño (sitio multipágina)
   Marca: azul marino · verde · papel claro. Archivo / Manrope / JetBrains Mono.
   ============================================================ */
:root{
  --navy:#15356A; --navy-deep:#0B1F40; --green:#2F8B5A; --green-deep:#1F6A41; --green-soft:#7FCBA0;
  --paper:#FBFBF7; --paper-warm:#F4F2EA; --line:#DCDDD3; --ink:#0E1320; --ink-soft:#3A4358; --ink-mute:#6B7488;
  --font-display:"Archivo",Helvetica,Arial,sans-serif;
  --font-body:"Manrope",Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --maxw:1320px; --pad:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;color:var(--ink-mute)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--green);display:inline-block}
.eyebrow--light{color:#dfeede}.eyebrow--light::before{background:var(--green-soft)}
.mono{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase}
.lang-en,[data-lang="en"] .lang-es{display:none}
[data-lang="en"] .lang-en{display:revert}

/* ---------- Brand lockup (ícono transparente + wordmark tipografiado) ---------- */
.brand{display:inline-flex;align-items:center;gap:12px;line-height:1}
.brand__ico{width:auto;height:40px;transition:height .3s}
.brand__txt{display:flex;flex-direction:column;gap:3px}
.brand__name{font-family:var(--font-display);font-weight:800;letter-spacing:.005em;font-size:18px;color:var(--navy-deep)}
.brand__name b{color:var(--green-deep);font-weight:800}
.brand__since{font-family:var(--font-mono);font-size:9px;letter-spacing:.26em;color:var(--ink-mute)}
.brand--light .brand__name{color:#fff}.brand--light .brand__name b{color:var(--green-soft)}
.brand--light .brand__since{color:rgba(255,255,255,.6)}

/* ---------- Header ---------- */
/* backdrop-filter va en ::before para que el header NO cree containing block
   para el menú móvil (position:fixed dentro del nav) */
.site-header{position:fixed;inset:0 0 auto 0;z-index:60;padding:14px 0;transition:padding .3s}
.site-header::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(251,251,247,.55);backdrop-filter:saturate(150%) blur(16px);-webkit-backdrop-filter:saturate(150%) blur(16px);border-bottom:1px solid rgba(220,221,211,0);transition:background .3s,border-color .3s}
.site-header.is-scrolled{padding:9px 0}
.site-header.is-scrolled::before{background:rgba(251,251,247,.94);border-bottom-color:rgba(220,221,211,.6)}
.site-header.is-scrolled .brand__ico{height:34px}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav{display:flex;align-items:center;gap:clamp(16px,2vw,30px)}
.nav a{font-size:14px;font-weight:500;color:var(--ink-soft);transition:color .2s;position:relative}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy-deep)}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--green)}
.nav .cta{padding:10px 18px;border-radius:999px;background:var(--navy-deep);color:var(--paper)!important}
.nav .cta:hover{background:var(--navy)}
.nav .cta::after{display:none}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em}
.lang-toggle button{appearance:none;border:0;background:transparent;color:var(--ink-mute);padding:7px 11px;cursor:pointer;font:inherit;transition:background .2s,color .2s}
.lang-toggle button.is-active{background:var(--navy-deep);color:var(--paper)}
.menu-btn{display:none;appearance:none;border:0;background:transparent;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy-deep);transition:transform .3s,opacity .3s}
@media(max-width:900px){
  .menu-btn{display:flex}
  .nav{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;padding:0 40px;transform:translateX(100%);transition:transform .4s var(--ease);box-shadow:-20px 0 60px rgba(11,31,64,.12)}
  .nav.is-open{transform:none}
  .nav a{font-size:20px;font-family:var(--font-display);font-weight:600}
  body.menu-open{overflow:hidden}
}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;padding:15px 24px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid transparent;transition:transform .35s var(--ease),background .25s,box-shadow .25s;cursor:pointer}
.btn .arrow{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--navy-deep);color:var(--paper)}.btn-primary .arrow{background:rgba(255,255,255,.16)}
.btn-primary:hover{box-shadow:0 14px 40px rgba(11,31,64,.25)}
.btn-ghost{background:transparent;color:var(--navy-deep);border-color:var(--line)}.btn-ghost .arrow{background:rgba(15,32,64,.07)}
.btn-ghost:hover{border-color:var(--green)}
.btn-onhero{background:var(--paper);color:var(--navy-deep)}.btn-onhero .arrow{background:rgba(15,32,64,.08)}
.btn-onhero-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.4)}.btn-onhero-ghost .arrow{background:rgba(255,255,255,.14)}

/* ---------- Tipografía de sección ---------- */
.display{font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;line-height:1.0;color:var(--navy-deep)}
h1.display{font-size:clamp(38px,6vw,76px)}
.section{padding:clamp(70px,11vh,140px) 0}
.section--tight{padding:clamp(48px,7vh,90px) 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.04;color:var(--navy-deep);font-size:clamp(30px,4.2vw,54px);margin:16px 0 0}
.section-head p{margin:20px 0 0;font-size:clamp(16px,1.5vw,19px);color:var(--ink-soft);max-width:60ch}
.lead{font-size:clamp(17px,1.7vw,21px);line-height:1.55;color:var(--ink-soft)}
.kicker-link{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep);display:inline-flex;gap:8px;align-items:center}
.kicker-link:hover{gap:12px;transition:gap .25s}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- Banda de datos ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line)}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}}
.stat{background:var(--paper);padding:34px clamp(18px,3vw,34px)}
.stat__num{font-family:var(--font-display);font-weight:800;font-size:clamp(34px,5vw,60px);line-height:1;color:var(--navy-deep);letter-spacing:-.02em}
.stat__num small{font-size:.5em;color:var(--green-deep);font-weight:700}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-top:12px}

/* ---------- Muro de instituciones ---------- */
.auth{background:var(--navy-deep);color:var(--paper)}
.auth .section-head h2{color:#fff}
.auth-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden}
.auth-item{background:var(--navy-deep);padding:26px 20px;min-height:96px;display:flex;flex-direction:column;justify-content:center;gap:5px}
.auth-item b{font-family:var(--font-display);font-weight:700;font-size:16px;color:#fff;letter-spacing:.01em}
.auth-item span{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--green-soft);text-transform:uppercase}

/* ---------- Disciplinas / grid de tarjetas ---------- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-3,.grid-2{grid-template-columns:1fr}}
.cell{background:var(--paper);padding:32px 30px;display:flex;flex-direction:column;gap:12px;transition:background .3s}
.cell:hover{background:var(--paper-warm)}
.cell .num{font-family:var(--font-mono);font-size:12px;color:var(--green-deep);letter-spacing:.12em}
.cell h3{font-family:var(--font-display);font-weight:700;font-size:21px;color:var(--navy-deep);margin:0;letter-spacing:-.01em}
.cell p{font-size:15px;color:var(--ink-soft);margin:0;line-height:1.6}

/* ---------- Fichas de proyecto ---------- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.projects{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.projects{grid-template-columns:1fr}}
.project{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s}
.project:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(11,31,64,.1)}
.project__media{aspect-ratio:4/3;background:radial-gradient(120% 90% at 30% 15%,rgba(47,139,90,.22),transparent 60%),linear-gradient(150deg,var(--navy),var(--navy-deep));position:relative;overflow:hidden}
.project__media img{width:100%;height:100%;object-fit:cover}
.project__tag{position:absolute;left:14px;top:14px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:rgba(11,31,64,.6);padding:6px 10px;border-radius:6px;backdrop-filter:blur(4px)}
.project__body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.project__client{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--green-deep)}
.project__body h3{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--navy-deep);margin:0;line-height:1.15}
.project__body p{font-size:14.5px;color:var(--ink-soft);margin:0;flex:1}
.project__num{font-family:var(--font-display);font-weight:800;font-size:30px;color:var(--navy-deep);letter-spacing:-.02em;margin-top:6px}
.project__num span{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);display:block;font-weight:400;margin-top:2px}

/* ---------- Bloques de disciplina (servicios) ---------- */
.disc{display:grid;grid-template-columns:80px 1fr;gap:clamp(20px,4vw,56px);padding:clamp(34px,5vw,56px) 0;border-top:1px solid var(--line)}
.disc:first-child{border-top:0}
@media(max-width:640px){.disc{grid-template-columns:1fr;gap:14px}}
.disc__n{font-family:var(--font-mono);font-size:14px;color:var(--green-deep);letter-spacing:.1em;padding-top:8px}
.disc__c h3{font-family:var(--font-display);font-weight:800;font-size:clamp(24px,3vw,34px);color:var(--navy-deep);margin:0 0 14px;letter-spacing:-.015em}
.disc__c p{font-size:16.5px;color:var(--ink-soft);margin:0;max-width:62ch}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:30px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--green),var(--green-soft))}
.tl{position:relative;padding:0 0 38px 24px}
.tl::before{content:"";position:absolute;left:-30px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:3px solid var(--green)}
.tl time{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--green-deep);font-weight:500}
.tl h3{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--navy-deep);margin:6px 0 6px}
.tl p{margin:0;color:var(--ink-soft);font-size:15.5px;max-width:60ch}

/* ---------- Sectores ---------- */
.sectors{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:900px){.sectors{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.sectors{grid-template-columns:1fr}}
.sector{background:var(--paper);padding:30px 24px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;transition:background .3s}
.sector:hover{background:var(--paper-warm)}
.sector.is-door{background:var(--navy-deep)}
.sector.is-door h3{color:#fff}.sector.is-door p{color:var(--green-soft)}.sector.is-door .sector__i{color:var(--green-soft)}
.sector__i{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--green-deep)}
.sector h3{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--navy-deep);margin:0;line-height:1.15}
.sector p{font-size:13.5px;color:var(--ink-soft);margin:0}

/* ---------- Página interior: hero simple ---------- */
.page-hero{padding:calc(clamp(90px,14vh,150px) + 40px) 0 clamp(40px,7vh,80px);background:linear-gradient(180deg,var(--paper-warm),var(--paper))}
.page-hero h1{margin:18px 0 0}
.page-hero p{margin:22px 0 0;max-width:64ch}

/* ---------- Formulario ---------- */
.form{display:grid;gap:18px;max-width:560px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute)}
.field input,.field textarea{font:inherit;font-size:16px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px rgba(47,139,90,.15)}
.field textarea{min-height:130px;resize:vertical}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px)}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-direct{display:flex;flex-direction:column;gap:18px}
.contact-line{display:flex;flex-direction:column;gap:4px;padding:16px 0;border-top:1px solid var(--line)}
.contact-line span{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute)}
.contact-line a,.contact-line b{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--navy-deep)}
.form-note{font-size:13px;color:var(--ink-mute);font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- CTA franja ---------- */
.cta-band{background:var(--navy-deep);color:var(--paper);text-align:center}
.cta-band h2{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,4vw,48px);color:#fff;letter-spacing:-.02em;margin:0 0 24px;line-height:1.05}
.cta-band .lead{color:rgba(255,255,255,.82);margin:0 auto 30px;max-width:52ch}

/* ---------- Footer ---------- */
.footer{background:var(--navy-deep);color:var(--paper);padding:64px 0 40px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:30px}}
.footer-logo{display:inline-block;line-height:0}
.footer-logo img{height:50px;width:auto;display:block}
.footer h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green-soft);margin:0 0 16px}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer ul a{color:rgba(251,251,247,.78);font-size:14.5px}.footer ul a:hover{color:#fff}
.footer .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--green-soft);margin-top:18px}
.footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;font-size:12.5px;color:rgba(251,251,247,.55);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ============================================================
   HERO cinemático (scroll-scrub de video en canvas) — conservado
   ============================================================ */
.hero{position:relative;height:1550vh}
@media(max-width:780px){.hero{height:850vh}}
.hero-stage{position:sticky;top:0;height:100vh;overflow:hidden;background:#06121f}
.hero-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(11,31,64,.34) 0%,rgba(11,31,64,.05) 14%,rgba(11,31,64,0) 42%,rgba(11,31,64,.30) 70%,rgba(8,18,31,.72) 100%)}
.hero-copy{position:absolute;left:0;right:0;bottom:13vh;z-index:5;will-change:opacity,transform}
.hero-copy .eyebrow{color:#dfeede;margin-bottom:22px}
.h-hero{font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;line-height:.98;color:#fff;font-size:clamp(44px,6.6vw,86px);max-width:15ch;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.h-hero em{font-style:normal;color:var(--green-soft);font-weight:700}
.hero-sub{margin-top:24px;color:rgba(255,255,255,.9);font-size:clamp(16px,1.4vw,19px);max-width:50ch;text-shadow:0 1px 16px rgba(0,0,0,.35)}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
/* Beat 2 — texto ligero centrado en el cielo (no tapa al topógrafo) */
.hero-gaze{position:absolute;left:0;right:0;top:16vh;z-index:5;text-align:center;padding:0 24px;opacity:0;will-change:opacity,transform}
.hero-gaze p{font-family:var(--font-display);font-weight:300;font-size:clamp(22px,3.4vw,46px);letter-spacing:.01em;line-height:1.15;color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.4);max-width:18ch;margin:0 auto}
/* Desktop: la frase va arriba-derecha, sobre el cielo/mar — en la dirección hacia donde mira el topógrafo (no encima de él) */
@media(min-width:781px){
  .hero-gaze{left:auto;right:7vw;top:15vh;text-align:right;padding:0}
  .hero-gaze p{margin-left:auto;margin-right:0;max-width:16ch;text-align:right}
}
.hero-readout{position:absolute;right:var(--pad);bottom:13vh;z-index:5;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.78);text-align:right;line-height:1.7;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.hero-readout .k{color:var(--green-soft)}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:7;font-family:var(--font-mono);font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:rgba(255,255,255,.8);text-align:center}
.hero-scroll .ln{width:1px;height:30px;background:rgba(255,255,255,.55);margin:8px auto 0}
@media(max-width:780px){.hero-readout{display:none}}
.hero-loader{position:absolute;inset:0;z-index:8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:#06121f;transition:opacity .6s ease;color:rgba(255,255,255,.8)}
.hero-loader.is-hidden{opacity:0;pointer-events:none}
.hero-loader .l-mark{font-family:var(--font-mono);font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--green-soft)}
.hero-loader .l-bar{width:160px;height:2px;background:rgba(255,255,255,.16);border-radius:2px;overflow:hidden}
.hero-loader .l-fill{height:100%;width:0;background:var(--green-soft);transition:width .25s ease}
.hero-loader .l-pct{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.55)}
.hero-resolve{position:absolute;inset:0;z-index:6;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;opacity:0;pointer-events:none;padding:0 24px}
.hero-resolve .ico{width:clamp(200px,28vw,380px);height:auto;opacity:0;transform:scale(.92);will-change:opacity,transform}
.hero-resolve .r-rule{width:54px;height:2px;background:var(--green);margin:30px 0 22px;opacity:0;transform:scaleX(.4);transform-origin:center}
.hero-resolve .r-tag{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;color:var(--navy-deep);font-size:clamp(22px,3vw,34px);opacity:0}
.hero-resolve .r-since{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-mute);margin-top:14px;opacity:0}
.hero-resolve .r-logo{width:clamp(210px,30vw,380px);height:auto;margin-top:clamp(96px,17vh,200px);opacity:0;will-change:opacity}

/* ====== v3: logo real en header, estado de formulario ====== */
.brand__logo{width:auto;height:42px;display:block;transition:height .3s}
.site-header.is-scrolled .brand__logo{height:34px}
@media(max-width:560px){.brand__logo{height:34px}}
.form-status{font-size:14px;line-height:1.5;min-height:1.2em;margin:0}
.form-status.ok{color:var(--green-deep);font-weight:600}
.form-status.err{color:#b23b3b;font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ====== Muro de logos de instituciones (gris -> color en hover) ====== */
.auth-logos{background:var(--paper-warm)}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:820px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.logo-wall{grid-template-columns:repeat(2,1fr)}}
.lw-cell{background:#fff;display:flex;align-items:center;justify-content:center;padding:30px 22px;min-height:124px;transition:background .3s}
.lw-cell img{max-height:56px;max-width:142px;width:auto;height:auto;object-fit:contain;filter:grayscale(1) contrast(.9);opacity:.55;transition:filter .4s,opacity .4s}
.lw-cell:hover img{filter:none;opacity:1}
.lw-name{flex-direction:column;gap:4px}
.lw-name b{font-family:var(--font-display);font-weight:700;font-size:21px;color:var(--ink-mute);letter-spacing:.01em;transition:color .4s}
.lw-name span{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--line)}
.lw-cell.lw-name:hover b{color:var(--navy-deep)}

/* ====== Botón WhatsApp + botón flotante ====== */
.btn-whatsapp{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;background:#25D366;color:#fff;font-weight:600;font-size:15px;border:0;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s}
.btn-whatsapp svg{width:21px;height:21px;fill:#fff;flex:none}
.btn-whatsapp:hover{transform:translateY(-2px);background:#1ebe5a;box-shadow:0 12px 30px rgba(37,211,102,.35);color:#fff}
.wa-float{position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:80;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .25s var(--ease),box-shadow .25s}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float:hover{transform:scale(1.07);box-shadow:0 14px 36px rgba(37,211,102,.55)}
@media(max-width:560px){.wa-float{width:52px;height:52px}.wa-float svg{width:27px;height:27px}}