/* Layout: "tablero técnico" — navy/white bands on a 12-col grid, photo cut by the logo's lightning slash, mono annotations like a drawing title block */
:root{
  --navy:#0B1F3F;      /* tinta de plano */
  --navy-2:#122C57;
  --blue:#1A5BC4;      /* azul IBL profundo */
  --sky:#4A8BE0;       /* azul logo */
  --lime:#8CD23F;      /* verde energizado (acento) */
  --paper:#F4F6F9;     /* papel frío */
  --white:#FFFFFF;
  --ink:#13233D;
  --muted:#56657C;
  --line:#D6DDE7;
  --on-navy:#E8EEF7;
  --on-navy-muted:#A9B8CF;
  --f-display:"Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body:"IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --s-1:.8125rem; --s0:1rem; --s1:1.1875rem; --s2:1.5rem; --s3:2rem; --s4:clamp(2.25rem,4.4vw,3.25rem); --s5:clamp(2.6rem,6.2vw,4.9rem);
  --wrap:1200px;
  --gutter:clamp(16px,4vw,40px);
  --radius:4px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--f-body);font-size:var(--s0);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);font-stretch:78%;line-height:1.02;margin:0;text-wrap:balance;letter-spacing:-.005em}
h2{font-size:var(--s4);font-weight:800;color:var(--navy)}
h3{font-size:var(--s2);font-weight:700;font-stretch:85%;color:var(--navy)}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase;color:var(--blue);display:flex;align-items:center;gap:.6em}
.lead{font-size:var(--s1);color:var(--muted);max-width:62ch}
.section{padding-block:clamp(64px,9vw,120px)}
.section-head{display:grid;gap:18px;margin-bottom:clamp(32px,5vw,56px);max-width:780px}
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--f-display);font-stretch:90%;font-weight:700;font-size:1.02rem;letter-spacing:.02em;text-decoration:none;padding:.9em 1.4em;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--navy)}
.btn-lime:hover{background:#9BE04C}
.btn-ghost{border-color:rgba(232,238,247,.45);color:var(--on-navy)}
.btn-ghost:hover{border-color:var(--on-navy)}
.btn-blue{background:var(--blue);color:var(--white)}
.btn-blue:hover{background:var(--navy-2)}
.btn svg{width:1.15em;height:1.15em;flex:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(11,31,63,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(14px,1.7vw,26px)}
.nav a{font-family:var(--f-display);font-stretch:88%;font-weight:600;font-size:1rem;color:var(--ink);text-decoration:none;letter-spacing:.01em}
.nav a:hover{color:var(--blue)}
.nav a.btn{padding:.6em 1em;font-size:.95rem;color:var(--white)}
.nav a.btn:hover{color:var(--white)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--navy)}
.nav-toggle svg{width:28px;height:28px}
@media (max-width:1140px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;background:var(--white);border-bottom:1px solid var(--line);padding:8px var(--gutter) 20px;display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line);font-size:1.1rem}
  .nav .btn{margin-top:14px;justify-content:center;border-bottom:0}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy);color:var(--on-navy);overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0 0 0 50%;z-index:-1;clip-path:polygon(14% 0,100% 0,100% 100%,0 100%)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:35% 50%}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,31,63,.55),rgba(11,31,63,0) 45%)}
.hero-slash{position:absolute;z-index:-1;top:0;bottom:0;left:50%;width:7%;background:var(--lime);clip-path:polygon(0 100%,100% 0,calc(100% - 6px) 0,-6px 100%);opacity:.9}
.hero .wrap{padding-block:clamp(72px,11vw,150px) clamp(64px,9vw,120px)}
.hero-copy{max-width:min(600px,calc(50vw - 72px - max(0px,(100vw - 1200px)/2)));display:grid;gap:26px}
.hero .eyebrow{color:var(--on-navy-muted)}
.hero h1{font-size:var(--s5);font-weight:850;font-stretch:72%;color:var(--white);text-transform:uppercase;letter-spacing:.002em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero p{font-size:var(--s1);color:var(--on-navy);max-width:52ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:980px){
  .hero-copy{max-width:640px}
  .hero-media{position:relative;inset:auto;height:clamp(240px,48vw,420px);clip-path:polygon(0 0,100% 0,100% 100%,0 86%)}
  .hero-media::after{background:linear-gradient(0deg,rgba(11,31,63,.35),rgba(11,31,63,0) 50%)}
  .hero-slash{display:none}
  .hero .wrap{padding-block:36px 56px}
}

/* spec strip */
.specs{background:var(--navy-2);color:var(--on-navy);border-top:1px solid rgba(255,255,255,.08)}
.specs ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.specs li{padding:26px 22px;border-left:1px solid rgba(255,255,255,.12);display:grid;gap:6px;align-content:start}
.specs li:first-child{border-left:0;padding-left:0}
.spec-val{font-family:var(--f-display);font-stretch:75%;font-weight:800;font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1;color:var(--white);font-variant-numeric:tabular-nums}
.spec-val small{font-size:.5em;font-weight:700;color:var(--lime);margin-left:.15em;letter-spacing:.04em}
.spec-lbl{font-size:.92rem;color:var(--on-navy-muted);line-height:1.45}
@media (max-width:820px){.specs ul{grid-template-columns:repeat(2,minmax(0,1fr))}.specs li{padding:20px 16px}.specs li:nth-child(odd){border-left:0;padding-left:0}.specs li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}}

/* ---------- nosotros ---------- */
.about{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,6vw,80px);align-items:start}
.about-copy{display:grid;gap:22px;min-width:0}
.about-copy p{color:var(--muted);max-width:62ch}
.about-copy p strong{color:var(--ink);font-weight:600}
.about-figure{position:relative;margin:0}
.about-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.about-figure figcaption{position:absolute;left:-1px;bottom:24px;background:var(--navy);color:var(--on-navy);font-family:var(--f-mono);font-size:.78rem;letter-spacing:.04em;padding:10px 14px;max-width:80%}
.safety{display:grid;gap:12px;padding:22px 24px;background:var(--paper);border-left:3px solid var(--lime)}
.safety h3{font-size:1.25rem}
.checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px}
.checks li{position:relative;padding-left:22px;font-size:.96rem}
.checks li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:6px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
@media (max-width:820px){.about{grid-template-columns:1fr}.about-figure img{aspect-ratio:4/3}.checks{grid-template-columns:1fr}}

/* ---------- servicios ---------- */
.services{background:var(--paper)}
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.svc{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;min-width:0}
.svc-img{aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:var(--line)}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc:hover .svc-img img{transform:scale(1.04)}
.svc-body{padding:22px 22px 24px;display:grid;gap:14px;align-content:start;flex:1}
.svc-tag{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.svc ul{margin:0;padding-left:1.1em;display:grid;gap:6px;font-size:.95rem;color:var(--ink)}
.svc ul li::marker{color:var(--blue)}
.svc details{font-size:.95rem;border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.svc summary{cursor:pointer;font-family:var(--f-display);font-stretch:88%;font-weight:700;color:var(--blue);list-style:none;display:flex;align-items:center;gap:6px}
.svc summary::-webkit-details-marker{display:none}
.svc summary::after{content:"+";font-family:var(--f-mono);font-weight:500}
.svc details[open] summary::after{content:"–"}
.svc details ul{margin-top:10px}
.extra{margin-top:48px;display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:24px 48px;border-top:2px solid var(--navy);padding-top:28px}
.extra h3{font-size:1.6rem}
.extra-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 32px}
@media (max-width:1100px){.extra-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.extra-list{grid-template-columns:1fr}}
.extra-item{display:grid;gap:6px;min-width:0}
.extra-item b{font-family:var(--f-display);font-stretch:85%;font-size:1.12rem;color:var(--navy)}
.extra-item span{font-size:.93rem;color:var(--muted);line-height:1.5}
@media (max-width:980px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.svc-grid{grid-template-columns:1fr}.extra{grid-template-columns:1fr}}

/* ---------- calidad de energía ---------- */
.pq{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,72px);align-items:start}
.pq-copy{display:grid;gap:22px;min-width:0}
.pq-media{display:grid;grid-template-columns:1fr 1fr;gap:14px;min-width:0}
.pq-media figure{margin:0;display:grid;gap:8px}
.pq-media figure:first-child{grid-column:1/-1}
.pq-media img{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.pq-media figure:first-child img{aspect-ratio:940/643;object-fit:cover}
.pq-media figure:not(:first-child) img{aspect-ratio:4/3;object-fit:cover}
.pq-media figcaption,.cap{font-family:var(--f-mono);font-size:.76rem;color:var(--muted);line-height:1.45}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:st}
.steps li{counter-increment:st;display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(st,decimal-leading-zero);font-family:var(--f-mono);font-weight:500;color:var(--blue);font-size:.9rem;padding-top:2px}
.steps b{display:block;font-weight:600}
.steps span{color:var(--muted);font-size:.95rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chips li{font-size:.85rem;padding:5px 11px;border:1px solid var(--line);border-radius:999px;color:var(--ink);background:var(--white)}
@media (max-width:860px){.pq{grid-template-columns:1fr}}

/* ---------- ingeniería 3D ---------- */
.eng{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.eng::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(74,139,224,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(74,139,224,.09) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.eng .wrap{position:relative}
.eng h2{color:var(--white)}
.eng .eyebrow{color:var(--sky)}
.eng .lead{color:var(--on-navy-muted)}
.eng-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,64px);align-items:start}
.eng-lists{display:grid;gap:28px;min-width:0}
.eng-lists h3{color:var(--white);font-size:1.25rem;margin-bottom:10px}
.eng-lists ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.eng-lists li{padding-left:20px;position:relative;color:var(--on-navy)}
.eng-lists li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:2px;background:var(--lime)}
.renders{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;min-width:0}
.renders figure{margin:0;display:grid;gap:8px;min-width:0}
.renders figure:first-child{grid-column:1/-1}
.renders img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid rgba(255,255,255,.14);background:var(--navy-2)}
.renders figure:first-child img{aspect-ratio:16/9}
.renders figcaption{font-family:var(--f-mono);font-size:.76rem;color:var(--on-navy-muted)}
@media (max-width:900px){.eng-grid{grid-template-columns:1fr}}

/* ---------- proyectos ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font-family:var(--f-display);font-stretch:88%;font-weight:600;font-size:.95rem;padding:.5em 1em;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:var(--white)}
.proj-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.proj{display:flex;flex-direction:column;background:var(--white);min-width:0}
.proj[hidden]{display:none!important}
.proj-img{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius);background:var(--paper)}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.proj:hover .proj-img img{transform:scale(1.04)}
.proj-kv{position:absolute;left:12px;top:12px;background:var(--navy);color:var(--white);font-family:var(--f-mono);font-size:.74rem;letter-spacing:.05em;padding:5px 9px;border-radius:2px}
.proj-body{padding-top:16px;display:grid;gap:8px}
.proj-meta{display:flex;flex-wrap:wrap;gap:4px 14px;font-family:var(--f-mono);font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.proj h3{font-size:1.4rem}
.proj p{font-size:.95rem;color:var(--muted)}
.proj.wide{grid-column:span 2}
.proj.wide .proj-img{aspect-ratio:auto;height:100%;min-height:0}
.proj.wide{display:grid;grid-template-rows:minmax(0,1fr) auto}
@media (max-width:980px){.proj-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.proj-grid{grid-template-columns:1fr}.proj.wide{grid-column:auto;display:flex}.proj.wide .proj-img{aspect-ratio:4/3;height:auto}}

/* referencias */
.refs{margin-top:64px;display:grid;gap:20px}
.refs-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px}
.refs h3{font-size:1.8rem}
.table-scroll{overflow-x:auto;border-top:2px solid var(--navy)}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:640px}
th,td{text-align:left;padding:12px 14px 12px 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--f-mono);font-weight:500;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
td:first-child{font-weight:600;color:var(--navy);white-space:nowrap}
td:last-child,th:last-child{text-align:right;font-family:var(--f-mono);font-size:.85rem;font-variant-numeric:tabular-nums;white-space:nowrap;padding-right:0}

@media (max-width:640px){
  table{min-width:0}
  thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  tbody tr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;padding:12px 0;border-bottom:1px solid var(--line)}
  tbody td{border:0;padding:0}
  tbody td:first-child{white-space:normal}
  tbody td:nth-child(2){grid-column:1/-1;grid-row:2;color:var(--muted)}
  tbody td:last-child{grid-column:2;grid-row:1}
}

/* ---------- clientes ---------- */
.clients{background:var(--paper)}
.client-wall{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.client-wall li{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 20px;min-height:84px;display:grid;align-content:center;background:var(--white)}
.client-wall b{font-family:var(--f-display);font-stretch:80%;font-weight:800;font-size:1.3rem;line-height:1.05;color:var(--navy);text-transform:uppercase;letter-spacing:.01em}

@media (max-width:760px){.client-wall{grid-template-columns:repeat(2,minmax(0,1fr))}.client-wall li{padding:20px 14px}.client-wall b{font-size:1.1rem}}

/* ---------- diferencial ---------- */
.why{position:relative;color:var(--on-navy);background:var(--navy);isolation:isolate;overflow:hidden}
.why-bg{position:absolute;inset:0;z-index:-1}
.why-bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.why-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--navy) 35%,rgba(11,31,63,.7))}
.why h2{color:var(--white)}
.why .eyebrow{color:var(--sky)}
.why-list{list-style:none;margin:0;padding:0;counter-reset:w;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(32px,6vw,80px);max-width:1000px}
.why-list li{counter-increment:w;display:grid;grid-template-columns:48px minmax(0,1fr);gap:4px 12px;padding:20px 0;border-top:1px solid rgba(255,255,255,.16)}
.why-list li::before{content:counter(w,decimal-leading-zero);font-family:var(--f-mono);font-size:.85rem;color:var(--lime);padding-top:5px;grid-row:span 2}
.why-list b{font-family:var(--f-display);font-stretch:85%;font-size:1.35rem;font-weight:700;color:var(--white);line-height:1.15}
.why-list span{font-size:.95rem;color:var(--on-navy-muted);max-width:52ch}
.why-list li.full{grid-column:1/-1}
@media (max-width:760px){.why-list{grid-template-columns:1fr}}

/* ---------- contacto ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,72px);align-items:start}
.contact-info{display:grid;gap:26px;min-width:0}
.info-list{list-style:none;margin:0;padding:0;display:grid;gap:0}
.info-list li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.info-list li:last-child{border-bottom:1px solid var(--line)}
.info-list .k{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding-top:3px}
.info-list a{color:var(--ink);text-decoration:none;font-weight:500;overflow-wrap:anywhere}
.info-list a:hover{color:var(--blue);text-decoration:underline}
.form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,4vw,36px);display:grid;gap:18px;min-width:0}
.form h3{font-size:1.7rem}
.form p.note{font-size:.9rem;color:var(--muted)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px;min-width:0}
.field label{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:.75em .85em;width:100%}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:0;border-color:var(--blue)}
.form .btn{justify-content:center}
.form-out{font-size:.9rem;color:var(--muted)}
.form-out a{font-weight:600}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){.row{grid-template-columns:1fr}.info-list li{grid-template-columns:1fr;gap:2px}}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:var(--on-navy-muted);padding-block:56px 32px;font-size:.93rem}
.foot{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr));gap:36px}
.foot img{height:56px;width:auto}
.foot p{max-width:38ch;margin-top:16px}
.foot h4{font-family:var(--f-mono);font-weight:500;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--white);margin:0 0 12px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{color:var(--on-navy);text-decoration:none}
.foot a:hover{color:var(--lime)}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.84rem}
.credit{font-size:.78rem;opacity:.75}
.credit a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.credit a:hover{color:var(--lime)}
@media (max-width:760px){.foot{grid-template-columns:1fr}.site-footer{padding-bottom:104px}}

/* whatsapp flotante */
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;color:var(--white);display:grid;place-items:center;box-shadow:0 8px 24px rgba(11,31,63,.28);transition:transform .2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}


/* ===== v3: mejoras generales ===== */
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--navy);color:var(--white);padding:10px 14px;border-radius:var(--radius);font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.nav a:not(.btn){position:relative}
.nav a.is-active,.nav a[aria-current="page"]{color:var(--blue)}
@media (min-width:1141px){
  .nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s}
  .nav a.is-active::after,.nav a[aria-current="page"]::after,.nav a:not(.btn):hover::after{transform:scaleX(1)}
}
.nav-inv{display:inline-flex;align-items:center;gap:.45em}
.nav-inv::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(140,210,63,.25);flex:none}
@media (max-width:1140px){.nav-inv::before{order:2}}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.2);border-radius:50%;color:var(--on-navy)}
.social a:hover{border-color:var(--lime);color:var(--lime)}
.social svg{width:18px;height:18px}

/* franja de inversión en la home */
.inv-teaser{background:var(--paper);color:var(--ink);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.inv-teaser::before{content:"";position:absolute;right:-40px;top:0;bottom:0;width:240px;background:var(--lime);clip-path:polygon(60% 0,64% 0,24% 100%,20% 100%);opacity:.8}
.inv-teaser-in{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 56px;align-items:center;padding-block:clamp(40px,6vw,64px)}
.inv-teaser .eyebrow{color:var(--blue);margin-bottom:10px}
.inv-teaser h2{color:var(--navy);font-size:clamp(1.8rem,3.2vw,2.5rem);margin-bottom:12px}
.inv-teaser p{color:var(--muted);max-width:66ch}
@media (max-width:820px){.inv-teaser-in{grid-template-columns:1fr}.inv-teaser::before{display:none}.inv-teaser .btn{justify-self:start}}
.inv-teaser .btn-lime{background:var(--navy);color:var(--white)}
.inv-teaser .btn-lime:hover{background:var(--blue)}

/* ===== página: oportunidades de inversión ===== */
.inv-hero{position:relative;background:var(--navy);color:var(--on-navy);isolation:isolate;overflow:hidden}
.inv-hero-bg{position:absolute;inset:0;z-index:-1}
.inv-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.inv-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--navy) 40%,rgba(11,31,63,.72))}
.inv-hero .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,72px);align-items:center;padding-block:clamp(64px,9vw,120px)}
.crumbs{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.04em;color:var(--on-navy-muted);display:flex;gap:.6em;flex-wrap:wrap}
.crumbs a{color:var(--on-navy-muted);text-decoration:none}
.crumbs a:hover{color:var(--lime)}
.inv-hero-copy{display:grid;gap:24px;min-width:0}
.inv-hero h1{font-size:clamp(2rem,8.2vw,4.2rem);overflow-wrap:break-word;font-weight:850;font-stretch:72%;color:var(--white);text-transform:uppercase}
.inv-hero h1 em{font-style:normal;color:var(--lime)}
.inv-hero p{font-size:var(--s1);max-width:56ch}
.datasheet{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);backdrop-filter:blur(4px);min-width:0}
.datasheet-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.18);font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--on-navy-muted)}
.status{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;color:var(--lime)}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(140,210,63,.6)}70%{box-shadow:0 0 0 8px rgba(140,210,63,0)}100%{box-shadow:0 0 0 0 rgba(140,210,63,0)}}
.datasheet dl{margin:0;display:grid}
.datasheet dl div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.1)}
.datasheet dl div:last-child{border-bottom:0}
.datasheet dt{font-size:.92rem;color:var(--on-navy-muted)}
.datasheet dd{margin:0;font-family:var(--f-display);font-stretch:85%;font-weight:700;color:var(--white);text-align:right;font-variant-numeric:tabular-nums}
.datasheet dd.big{font-size:1.6rem;color:var(--lime);line-height:1}
@media (max-width:900px){.inv-hero .wrap{grid-template-columns:1fr}}

.intro-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,80px);align-items:start}
.intro-grid .lead{max-width:none}
.prose{display:grid;gap:18px;color:var(--muted)}
.prose strong{color:var(--ink);font-weight:600}
@media (max-width:860px){.intro-grid{grid-template-columns:1fr}}

.use-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:clamp(40px,5vw,64px)}
.use{display:grid;gap:14px;align-content:start;min-width:0}
.use-img{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:var(--paper);position:relative}
.use-img img{width:100%;height:100%;object-fit:cover}
.use-pct{position:absolute;left:12px;bottom:12px;background:var(--navy);color:var(--white);font-family:var(--f-mono);font-size:.76rem;padding:5px 9px;border-radius:2px;letter-spacing:.04em}
.use h3{font-size:1.35rem}
.use p{font-size:.95rem;color:var(--muted)}
@media (max-width:860px){.use-grid{grid-template-columns:1fr}.use{grid-template-columns:minmax(0,2fr) minmax(0,3fr);column-gap:18px}.use-img{grid-row:span 2}}
@media (max-width:520px){.use{grid-template-columns:1fr}.use-img{grid-row:auto}}

.terms{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,72px);align-items:start}
.terms-list{margin:0;display:grid;border-top:2px solid var(--navy)}
.terms-list div{display:grid;grid-template-columns:minmax(0,180px) minmax(0,1fr);gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.terms-list dt{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding-top:3px}
.terms-list dd{margin:0;font-weight:500}
@media (max-width:860px){.terms{grid-template-columns:1fr}}
@media (max-width:520px){.terms-list div{grid-template-columns:1fr;gap:2px}}
.series{margin-top:clamp(40px,5vw,56px);display:grid;gap:16px}
.series table td:first-child{white-space:nowrap}
.series td.rate{font-family:var(--f-display);font-stretch:85%;font-weight:800;font-size:1.2rem;color:var(--blue);font-variant-numeric:tabular-nums}
.series td:last-child{text-align:left;font-family:inherit;font-size:inherit}
.series th:last-child{text-align:left}
@media (max-width:640px){
  .series tbody tr{grid-template-columns:minmax(0,1fr) auto}
  .series tbody td{grid-column:auto!important;grid-row:auto!important;color:inherit!important}
  .series tbody td:first-child{grid-column:1/-1!important}
  .series tbody td[data-k]::before{content:attr(data-k) " ";font-family:var(--f-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);display:block}
}

.legal{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.legal::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(74,139,224,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(74,139,224,.09) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.legal .wrap{position:relative}
.legal h2{color:var(--white)}
.legal .eyebrow{color:var(--sky)}
.legal .lead{color:var(--on-navy-muted)}
.legal-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.legal-grid li{background:var(--navy);padding:26px 24px;display:grid;gap:10px;align-content:start}
.legal-grid svg{width:30px;height:30px;color:var(--lime)}
.legal-grid b{font-family:var(--f-display);font-stretch:85%;font-size:1.25rem;color:var(--white);line-height:1.15}
.legal-grid span{font-size:.94rem;color:var(--on-navy-muted)}
@media (max-width:980px){.legal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.legal-grid{grid-template-columns:1fr}}
.legal-note{margin-top:20px;font-family:var(--f-mono);font-size:.78rem;color:var(--on-navy-muted)}

.how{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;list-style:none;margin:0;padding:0;counter-reset:h}
.how li{counter-increment:h;padding:24px 24px 0 0;border-top:2px solid var(--line);position:relative;display:grid;gap:10px;align-content:start}
.how li::before{content:counter(h,decimal-leading-zero);font-family:var(--f-mono);color:var(--blue);font-size:.9rem}
.how li::after{content:"";position:absolute;top:-2px;left:0;width:40px;height:2px;background:var(--lime)}
.how b{font-family:var(--f-display);font-stretch:85%;font-size:1.25rem;color:var(--navy);line-height:1.15}
.how span{font-size:.95rem;color:var(--muted)}
@media (max-width:900px){.how{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}}
@media (max-width:520px){.how{grid-template-columns:1fr}}

.faq-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,72px);align-items:start}
.faq{border-top:2px solid var(--navy)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-family:var(--f-display);font-stretch:88%;font-weight:700;font-size:1.15rem;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);font-weight:500;color:var(--blue);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:70ch}
@media (max-width:860px){.faq-grid{grid-template-columns:1fr}}

.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.check input{margin-top:.25em;width:18px;height:18px;flex:none;accent-color:var(--blue)}
.disclaimer{background:var(--paper);border-top:1px solid var(--line)}
.disclaimer .wrap{padding-block:36px;display:grid;gap:10px;font-size:.84rem;color:var(--muted);max-width:var(--wrap)}
.disclaimer b{font-family:var(--f-mono);font-weight:500;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.disclaimer p{max-width:110ch}

/* hero: evita que el título empuje el texto sobre la foto */
.hero-copy{grid-template-columns:minmax(0,1fr)}
@media (min-width:981px) and (max-width:1280px){.hero h1{font-size:clamp(2.4rem,5vw,4.2rem)}}