/* =========================================================
   Guzarset — sistema de diseño
   ========================================================= */

:root{
  /* Marca */
  --navy-900:#0c0e23;      /* color del logo */
  --navy-800:#131735;
  --navy-700:#1b2148;
  --blue-600:#2d4a8a;      /* azul del lettering "GUZAR SET" */
  --blue-500:#3a5da8;
  --blue-100:#e8edf8;

  /* Neutros */
  --ink:#14162b;
  --body:#4a5068;
  --muted:#6b7288;
  --line:#e3e6ee;
  --surface:#f6f7fb;
  --surface-2:#eef1f8;
  --white:#ffffff;

  /* Tipografía */
  --font-head:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Roboto',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;

  /* Escala de espaciado */
  --s1:.5rem; --s2:1rem; --s3:1.5rem; --s4:2rem;
  --s5:3rem; --s6:4rem; --s7:6rem; --s8:8rem;

  --wrap:1180px;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 2px 8px rgba(12,14,35,.06),0 12px 32px rgba(12,14,35,.07);
  --shadow-lg:0 8px 24px rgba(12,14,35,.10),0 24px 60px rgba(12,14,35,.12);
  --header-h:72px;
  --hero-h:620px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

body{
  margin:0;
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.7;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block}

h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  color:var(--ink);
  line-height:1.18;
  margin:0 0 var(--s2);
  font-weight:600;
  letter-spacing:-.02em;
}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);font-weight:600}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:clamp(1.2rem,2.2vw,1.5rem)}
h4{font-size:1.0625rem;letter-spacing:-.01em}
p{margin:0 0 var(--s2)}
p:last-child{margin-bottom:0}

a{color:var(--blue-600);text-decoration:none}
a:hover{text-decoration:underline}

:focus-visible{outline:3px solid var(--blue-500);outline-offset:3px;border-radius:3px}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--s3)}
.section{padding:var(--s7) 0}
.section--tight{padding:var(--s6) 0}
.section--surface{background:var(--surface)}
.section--navy{background:var(--navy-900);color:#c8cde0}
.section--navy h2,.section--navy h3,.section--navy h4{color:#fff}

.skip{position:absolute;left:-9999px;top:0;background:var(--navy-900);color:#fff;padding:.75rem 1.25rem;z-index:200}
.skip:focus{left:0}

/* ---------- Encabezado de sección ---------- */
.sec-head{max-width:760px;margin:0 0 var(--s5)}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  font-family:var(--font-head);
  font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue-600);margin:0 0 var(--s1);display:block;
}
.section--navy .eyebrow{color:#8fa6d8}
.lead{font-size:1.1875rem;line-height:1.65;color:var(--body)}
.section--navy .lead{color:#c8cde0}

/* ---------- Cabecera flotante ---------- */
.site-header{
  position:sticky;top:var(--s2);z-index:100;
  padding:0 var(--s3);margin-bottom:calc(var(--header-h) * -1 - var(--s2));
}
.header-inner{
  display:flex;align-items:center;gap:var(--s3);
  height:var(--header-h);
  max-width:var(--wrap);margin:0 auto;padding:0 var(--s3);
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:26px;
  box-shadow:0 2px 10px rgba(12,14,35,.06),0 12px 34px rgba(12,14,35,.10);
}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:42px;width:auto}
.brand:hover{text-decoration:none}

.nav{margin-left:auto;display:flex;align-items:center;gap:var(--s1)}
.nav a{
  font-family:var(--font-head);
  font-size:.9375rem;font-weight:500;color:var(--ink);
  padding:.55rem .8rem;border-radius:var(--radius-sm);
  white-space:nowrap;
}
.nav a:hover{background:var(--surface-2);text-decoration:none}
.nav a[aria-current="page"]{color:var(--blue-600);font-weight:600}

.header-tools{display:flex;align-items:center;gap:var(--s2);flex:0 0 auto}
.lang{display:flex;align-items:center;gap:.35rem;font-family:var(--font-head);font-size:.8125rem;font-weight:600}
.lang a{color:var(--muted);padding:.25rem .35rem;border-radius:4px}
.lang a:hover{color:var(--ink);text-decoration:none}
.lang .is-active{color:var(--navy-900);background:var(--surface-2)}
.lang span[aria-hidden]{color:var(--line)}
.nav .lang{display:none}

.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:var(--radius-sm);cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);transition:transform .2s}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-head);font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  padding:.9rem 1.6rem;border-radius:var(--radius-sm);border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  text-align:center;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--blue-600);color:#fff;box-shadow:0 4px 14px rgba(45,74,138,.28)}
.btn--primary:hover{background:var(--blue-500);box-shadow:0 8px 22px rgba(45,74,138,.34)}
.btn--dark{background:var(--navy-900);color:#fff}
.btn--dark:hover{background:var(--navy-700)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--line);color:var(--ink);background:var(--white)}
.btn--outline:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s4)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,14,35,.95) 0%,rgba(12,14,35,.82) 45%,rgba(12,14,35,.55) 100%);
}
.hero__inner{
  position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;
  padding:calc(var(--header-h) + var(--s5)) var(--s3) var(--s5);
  min-height:var(--hero-h);display:flex;align-items:center;
}
.hero__content{max-width:720px}
.hero h1{color:#fff;margin-bottom:var(--s3)}
.hero .eyebrow{color:#8fa6d8}
.hero p{font-size:1.1875rem;line-height:1.65;color:#ccd3e6;max-width:600px}

@media (min-width:901px){
  .hero__inner{height:var(--hero-h);min-height:0}
}

/* ---------- Rejillas ---------- */
.grid{display:grid;gap:var(--s3)}
.grid>*{min-width:0}
.card h3,.card p,.tile h3,.tile p{overflow-wrap:break-word}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ---------- Tarjetas ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:var(--s4);height:100%;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card--link:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:transparent;text-decoration:none}
.card h3{margin-bottom:.6rem}
.card p{color:var(--body);font-size:1rem}
.card__num{
  font-family:var(--font-head);font-size:.8125rem;font-weight:700;letter-spacing:.1em;
  color:var(--blue-600);margin-bottom:var(--s2);display:block;
}
.card__more{
  margin-top:auto;padding-top:var(--s2);
  font-family:var(--font-head);font-size:.9375rem;font-weight:600;color:var(--blue-600);
  display:inline-flex;align-items:center;gap:.4rem;
}
.card--link:hover .card__more{gap:.7rem}
.card__icon{
  width:48px;height:48px;border-radius:12px;background:var(--blue-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:var(--s3);flex:0 0 auto;
}
.card__icon svg{width:24px;height:24px;stroke:var(--blue-600);fill:none;stroke-width:1.6}

/* Tarjeta con imagen (sectores) */
.tile{
  position:relative;border-radius:var(--radius);overflow:hidden;
  min-height:230px;display:flex;align-items:flex-end;
  background:var(--navy-800);color:#fff;
}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:transform .5s ease,opacity .3s ease}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(12,14,35,.92) 12%,rgba(12,14,35,.35) 70%,rgba(12,14,35,.15) 100%)}
.tile:hover img{transform:scale(1.05);opacity:.7}
.tile__body{position:relative;z-index:2;padding:var(--s3)}
.tile h3{color:#fff;font-size:1.0625rem;margin-bottom:.35rem;letter-spacing:.02em;text-transform:uppercase}
.tile p{font-size:.9375rem;color:#c3cadf;margin:0}

/* ---------- Dos columnas texto + imagen ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--s6);align-items:center}
.split--reverse .split__media{order:2}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split__body h2{margin-bottom:var(--s3)}

/* ---------- Listas ---------- */
.ticks{list-style:none;padding:0;margin:var(--s3) 0 0;display:grid;gap:.85rem}
.ticks li{position:relative;padding-left:2rem;color:var(--body)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:1.15rem;height:.6rem;border-left:2.5px solid var(--blue-600);border-bottom:2.5px solid var(--blue-600);
  transform:rotate(-45deg);
}
.section--navy .ticks li{color:#c8cde0}
.section--navy .ticks li::before{border-color:#8fa6d8}

.taglist{list-style:none;padding:0;margin:var(--s2) 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.taglist li{
  font-size:.875rem;background:var(--surface-2);color:var(--body);
  padding:.35rem .8rem;border-radius:100px;
}

/* ---------- Línea de tiempo con progreso ---------- */
.timeline{list-style:none;padding:0;margin:0;position:relative;max-width:720px}
.timeline__track{
  position:absolute;left:23px;top:24px;bottom:24px;width:2px;
  background:var(--line);border-radius:2px;
}
.timeline__fill{
  position:absolute;left:0;top:0;width:100%;height:0;
  background:linear-gradient(to bottom,var(--blue-500),var(--blue-600));
  border-radius:2px;transition:height .25s linear;
}
.timeline__item{display:flex;gap:var(--s3);position:relative}
.timeline__item:not(:last-child){padding-bottom:var(--s5)}
.timeline__dot{
  position:relative;z-index:2;flex:0 0 auto;
  width:48px;height:48px;border-radius:14px;
  border:1px solid var(--line);background:var(--white);
  display:flex;align-items:center;justify-content:center;
  transition:background .4s ease,border-color .4s ease,box-shadow .4s ease,transform .4s ease;
}
.timeline__dot svg{width:21px;height:21px;fill:none;stroke:var(--muted);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s ease}
.timeline__item.is-reached .timeline__dot{
  background:var(--blue-600);border-color:var(--blue-600);
  box-shadow:0 6px 18px rgba(45,74,138,.30);transform:scale(1.04);
}
.timeline__item.is-reached .timeline__dot svg{stroke:#fff}
.timeline__body{padding-top:.55rem}
.timeline__body h3{font-size:1.125rem;margin-bottom:.35rem}
.timeline__body p{color:var(--body);font-size:1rem;margin:0}
.timeline__item{opacity:.55;transition:opacity .4s ease}
.timeline__item.is-reached{opacity:1}

/* ---------- Proceso numerado ---------- */
.steps{counter-reset:step;display:grid;gap:var(--s3);grid-template-columns:repeat(4,1fr)}
.step{position:relative;padding-top:var(--s4)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;
  font-family:var(--font-head);font-size:2rem;font-weight:700;color:var(--blue-100);line-height:1;
}
.step h3{font-size:1.0625rem;margin-bottom:.4rem}
.step p{font-size:.9688rem;margin:0}
.section--navy .step::before{color:rgba(143,166,216,.35)}

/* ---------- Estadísticas ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3);text-align:center}
.stat__n{font-family:var(--font-head);font-size:clamp(2rem,4vw,2.75rem);font-weight:700;color:#fff;line-height:1;letter-spacing:-.03em}
.stat__l{font-size:.9375rem;color:#98a2c0;margin-top:.4rem}

/* ---------- Logos de clientes ---------- */
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--s2);align-items:center}
.logos img{
  width:100%;height:64px;object-fit:contain;
  filter:grayscale(1);opacity:.78;transition:filter .25s,opacity .25s;
}
.logos img:hover{filter:grayscale(0);opacity:1}

/* ---------- Galería elástica (acordeón) ---------- */
.elastic{display:flex;gap:var(--s2);height:560px;width:100%}
.elastic__item{
  position:relative;flex:1;min-width:0;overflow:hidden;cursor:pointer;
  border-radius:var(--radius);background:var(--navy-800);
  transition:flex .7s cubic-bezier(.25,1,.5,1),filter .5s ease;
  filter:brightness(.45);
}
.elastic__item:hover{filter:brightness(.7)}
.elastic__item.is-active{flex:4;filter:brightness(1)}
.elastic__item img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.1);transition:transform 1s ease;
}
.elastic__item.is-active img{transform:scale(1)}
.elastic__shade{
  position:absolute;inset:0;opacity:0;transition:opacity .5s ease;
  background:linear-gradient(to top,rgba(12,14,35,.88) 0%,rgba(12,14,35,.25) 55%,transparent 100%);
}
.elastic__item.is-active .elastic__shade{opacity:1}
.elastic__body{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:var(--s4);z-index:2;
}
.elastic__open{
  display:flex;flex-direction:column;gap:.6rem;
  opacity:0;transform:translateY(2rem);transition:opacity .5s ease,transform .5s ease;
}
.elastic__item.is-active .elastic__open{opacity:1;transform:none;transition-delay:.2s}
.elastic__tag{
  align-self:flex-start;font-family:var(--font-head);
  font-size:.6875rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:100px;padding:.3rem .8rem;backdrop-filter:blur(8px);
}
.elastic__open h3{
  color:#fff;font-size:clamp(1.5rem,2.6vw,2.25rem);text-transform:uppercase;
  letter-spacing:-.01em;margin:0;
}
.elastic__open p{color:#c9d0e4;font-size:1rem;max-width:44ch;margin:0}
.elastic__closed{
  position:absolute;left:50%;bottom:var(--s4);transform:translateX(-50%);
  opacity:1;transition:opacity .4s ease .4s;
}
.elastic__item.is-active .elastic__closed{opacity:0;transition-delay:0s}
.elastic__closed span{
  writing-mode:vertical-rl;white-space:nowrap;
  font-family:var(--font-head);font-size:1rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:#fff;
}

/* ---------- Carrusel de logos ---------- */
.logo-carousel{display:flex;gap:var(--s3);justify-content:center;flex-wrap:wrap}
.logo-col{position:relative;height:132px;width:200px;overflow:hidden}
.logo-col img{
  position:absolute;inset:0;margin:auto;
  max-width:94%;max-height:88%;width:auto;height:auto;object-fit:contain;
  opacity:0;transform:translateY(18%);filter:grayscale(1) blur(6px);
  transition:opacity .45s ease,transform .45s cubic-bezier(.2,.9,.3,1.2),filter .45s ease;
}
.logo-col img.is-in{opacity:1;transform:translateY(0);filter:grayscale(1) blur(0)}
.logo-col img.is-out{opacity:0;transform:translateY(-22%);filter:grayscale(1) blur(5px)}

/* ---------- Galería ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s2)}
.gallery--2{grid-template-columns:repeat(2,1fr);gap:var(--s3)}
.gallery--2 img{aspect-ratio:3/2}
.gallery img{border-radius:var(--radius-sm);aspect-ratio:4/3;object-fit:cover;width:100%}

/* ---------- Cita ---------- */
.quote{
  border-left:3px solid var(--blue-600);padding:var(--s1) 0 var(--s1) var(--s4);
  font-family:var(--font-head);font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:500;
  line-height:1.5;color:var(--ink);letter-spacing:-.01em;
}
.section--navy .quote{color:#fff;border-color:#8fa6d8}
.quote cite{display:block;font-size:.9375rem;font-weight:500;color:var(--muted);font-style:normal;margin-top:var(--s2);font-family:var(--font-body)}

/* ---------- CTA ---------- */
.cta{background:var(--navy-900);color:#fff;border-radius:var(--radius);padding:var(--s6) var(--s5);text-align:center}
.cta h2{color:#fff;max-width:640px;margin-left:auto;margin-right:auto}
.cta p{color:#c8cde0;max-width:560px;margin:0 auto var(--s4)}
.cta .btn-row{justify-content:center;margin-top:0}

/* ---------- Formulario ---------- */
.form{display:grid;gap:var(--s2)}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--font-head);font-size:.875rem;font-weight:600;color:var(--ink)}
.field input,.field textarea,.field select{
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:.8rem 1rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--white);width:100%;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue-500);outline:none;box-shadow:0 0 0 3px rgba(58,93,168,.14)}
.field textarea{min-height:130px;resize:vertical}
.form__note{font-size:.875rem;color:var(--muted)}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:var(--s4);box-shadow:var(--shadow)}

/* ---------- Datos de contacto ---------- */
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:var(--s3)}
.contact-list a{color:var(--ink);font-weight:500}
.contact-list a:hover{color:var(--blue-600)}
.contact-list .label{
  display:block;font-family:var(--font-head);font-size:.75rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.15rem;
}

/* ---------- Contenido legal ---------- */
.prose{max-width:760px}
.prose h2{font-size:1.4rem;margin-top:var(--s5)}
.prose h3{font-size:1.125rem;margin-top:var(--s4)}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose ul{padding-left:1.3rem;margin:0 0 var(--s2)}
.prose li{margin-bottom:.5rem}
.prose p,.prose li{font-size:1rem}

/* ---------- Pie ---------- */
.site-footer{background:var(--navy-900);color:#9aa3bf;padding:var(--s6) 0 var(--s4)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--s5)}
.site-footer h4{color:#fff;font-size:.8125rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:var(--s2)}
.site-footer a{color:#9aa3bf}
.site-footer a:hover{color:#fff;text-decoration:none}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem;font-size:.9375rem}
.site-footer p{font-size:.9375rem;line-height:1.65}
.footer-brand img{height:48px;width:auto;margin-bottom:var(--s3)}
.social{display:flex;gap:.6rem;margin-top:var(--s3)}
.social a{
  width:38px;height:38px;border:1px solid rgba(255,255,255,.18);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35)}
.social svg{width:17px;height:17px;fill:currentColor}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:var(--s5);padding-top:var(--s3);
  display:flex;flex-wrap:wrap;gap:var(--s2);justify-content:space-between;font-size:.875rem;
}
.footer-bottom ul{display:flex;flex-wrap:wrap;gap:var(--s3);font-size:.875rem}
.kitdigital{margin-top:var(--s4)}
.kitdigital img{max-width:260px;background:#fff;border-radius:6px;padding:.5rem}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:var(--s4)}
  .logos{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s4)}
  .split{gap:var(--s4)}
}

@media (max-width:900px){
  :root{--s7:4rem;--s8:5rem;--hero-h:440px}
  .elastic{flex-direction:column;height:auto;min-height:520px}
  .elastic__item{min-height:64px}
  .elastic__item.is-active{min-height:340px}
  .burger{display:flex}
  .nav{
    position:absolute;top:calc(var(--header-h) + .5rem);left:0;right:0;
    background:rgba(255,255,255,.97);
    backdrop-filter:saturate(180%) blur(16px);
    border:1px solid var(--line);border-radius:var(--radius);
    flex-direction:column;align-items:stretch;gap:0;
    padding:var(--s2) var(--s3);
    box-shadow:var(--shadow-lg);
    max-height:calc(100dvh - var(--header-h) - 2rem);overflow-y:auto;
    display:none;
  }
  .header-inner{position:relative}
  /* el selector de idioma se pliega dentro del menú */
  .header-tools .lang{display:none}
  .nav .lang{
    display:flex;justify-content:center;gap:.5rem;
    margin-top:var(--s2);padding-top:var(--s2);border-top:1px solid var(--line);
  }
  .nav .lang a{
    border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:.5rem 1.1rem;font-size:.9375rem;
  }
  .nav.is-open{display:flex}
  .nav a{padding:.9rem .5rem;border-bottom:1px solid var(--line);border-radius:0;font-size:1rem}
  .nav a:last-child{border-bottom:0}
  .header-tools{margin-left:auto}
  .split,.grid--2,.grid--3{grid-template-columns:1fr}
  .split--reverse .split__media{order:0}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:var(--s4)}
  .cta{padding:var(--s5) var(--s3)}
}

@media (max-width:600px){
  :root{--s6:3rem;--s7:3.25rem;--s8:3.75rem;--hero-h:400px}
  .elastic__body{padding:var(--s3)}
  .timeline__item{gap:var(--s2)}
  .timeline__track{left:19px}
  .timeline__dot{width:40px;height:40px;border-radius:12px}
  .timeline__dot svg{width:18px;height:18px}
  .timeline__item:not(:last-child){padding-bottom:var(--s4)}
  .logo-col{height:104px;width:136px}
  body{font-size:1rem}
  .hero p,.lead{font-size:1.0625rem}
  .grid--4{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:var(--s3)}
  .footer-grid{grid-template-columns:1fr;gap:var(--s4)}
  .card{padding:var(--s3)}
  .btn{width:100%}
  .btn-row{gap:.75rem}
  .brand img{height:36px}
  .quote{padding-left:var(--s3)}
  .footer-bottom{flex-direction:column;gap:var(--s2)}
  .tile{min-height:190px}
}