/* ==========================================================================
   YMK Chemical Solution SpA — ymkchemical.cl
   Hoja de estilos unica del sitio
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --accent:#1478C8;
  --accent-600:#0F5FA3;
  --accent-700:#0B4D83;
  --accent-soft:#3FC0F0;

  --ink:#0B162E;
  --ink-2:#12234A;
  --navy:#182571;

  --base:#FFFFFF;
  --base-2:#F3F7FB;
  --base-3:#E9F1F8;

  --text:#22303F;
  --muted:#5D6E85;
  --muted-2:#8595A8;
  --line:#E1E9F2;
  --line-dark:rgba(255,255,255,.14);

  --container:1250px;
  --gap:28px;

  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;

  --shadow-sm:0 2px 10px -4px rgba(11,22,46,.16);
  --shadow:0 20px 44px -26px rgba(11,22,46,.42);
  --shadow-lg:0 34px 70px -34px rgba(11,22,46,.5);

  --ff-title:"Geist","Geist Fallback",system-ui,sans-serif;
  --ff-body:"IBM Plex Sans","IBM Plex Sans Fallback",system-ui,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--base);color:var(--text);
  font-family:var(--ff-body);font-size:1rem;line-height:1.72;
  font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,h5{
  font-family:var(--ff-title);color:var(--ink);
  margin:0;line-height:1.14;letter-spacing:-.022em;font-weight:600;
}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* TITULOS CLAROS SOBRE FONDO OSCURO — regla obligatoria: el selector de elemento
   h1..h4 de arriba gana sobre el color heredado del contenedor. */
.hero h1,.hero h2,.hero h3,.hero h4,
.page-hero h1,.page-hero h2,.page-hero h3,.page-hero h4,
.cta h1,.cta h2,.cta h3,.cta h4,
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4,
.site-footer h1,.site-footer h2,.site-footer h3,.site-footer h4{color:#fff}

::selection{background:var(--accent);color:#fff}
:focus-visible{outline:3px solid var(--accent-soft);outline-offset:3px;border-radius:4px}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(64px,7vw,104px)}
.section--tight{padding-block:clamp(48px,5vw,72px)}
.section--alt{background:var(--base-2)}

.section--dark{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink);color:rgba(255,255,255,.78);
}
.section--dark .section__bg{position:absolute;inset:0;z-index:-2}
.section--dark .section__bg img{width:100%;height:100%;object-fit:cover}
.section--dark::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(9,19,40,.93) 0%,rgba(9,19,40,.90) 55%,rgba(9,19,40,.94) 100%);
}
.section--plano::after{display:none}
.section--plano{background:var(--ink-2)}

/* ---------- Tipografia de apoyo ---------- */
.eyebrow{
  display:block;font-family:var(--ff-title);font-weight:600;
  font-size:.735rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);margin:0 0 7px;
}
.section--dark .eyebrow,.hero .eyebrow,.page-hero .eyebrow,.cta .eyebrow{color:var(--accent-soft)}

.h-xl{font-size:clamp(2.1rem,4.4vw,3.35rem)}
.h-lg{font-size:clamp(1.75rem,3.1vw,2.5rem)}
.h-md{font-size:clamp(1.3rem,2vw,1.62rem)}
.h-sm{font-size:clamp(1.08rem,1.4vw,1.2rem)}

.lead{font-size:clamp(1.02rem,1.25vw,1.12rem);color:var(--muted);line-height:1.8}
.section--dark .lead,.hero .lead,.page-hero .lead,.cta .lead{color:rgba(255,255,255,.8)}

.section-head{max-width:760px;margin-bottom:clamp(34px,4vw,54px)}
.section-head h2{margin-top:15px}
.section-head .lead{margin-top:18px}
.section-head--center{margin-inline:auto;text-align:center}

.accent{color:var(--accent)}
.hero .accent,.page-hero .accent,.cta .accent,.section--dark .accent{color:var(--accent-soft)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff-title);font-weight:600;font-size:.94rem;letter-spacing:.005em;
  padding:13px 26px;border-radius:var(--r-pill);border:1.5px solid transparent;
  cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),
    border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 12px 26px -16px rgba(20,120,200,.9)}
.btn--primary:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero .btn--ghost,.page-hero .btn--ghost,.cta .btn--ghost,.section--dark .btn--ghost{
  color:#fff;border-color:rgba(255,255,255,.4);
}
.hero .btn--ghost:hover,.page-hero .btn--ghost:hover,.cta .btn--ghost:hover,
.section--dark .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn--sm{padding:10px 20px;font-size:.87rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-title);
  font-weight:600;font-size:.92rem;color:var(--accent);
  transition:gap .22s var(--ease),color .22s var(--ease);
}
.link-arrow svg{width:17px;height:17px;flex:none}
.link-arrow:hover{gap:13px;color:var(--accent-600)}
.section--dark .link-arrow,.cta .link-arrow{color:var(--accent-soft)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto;z-index:90;   /* SIEMPRE mayor que .nav-backdrop */
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header .container{display:flex;align-items:center;gap:24px;min-height:84px}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(12px);
  border-bottom-color:var(--line);box-shadow:0 8px 26px -22px rgba(11,22,46,.6);
}

.brand{display:inline-flex;align-items:center;gap:12px;margin-right:auto;padding:8px 0}
.brand img{width:52px;height:39px;object-fit:contain;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{
  font-family:var(--ff-title);font-weight:700;font-size:1.32rem;
  letter-spacing:.2em;color:#fff;transition:color .3s var(--ease);
}
.brand__tag{
  font-family:var(--ff-title);font-weight:500;font-size:.505rem;letter-spacing:.235em;
  text-transform:uppercase;color:rgba(255,255,255,.7);margin-top:6px;
  transition:color .3s var(--ease);
}
.is-stuck .brand__name{color:var(--navy)}
.is-stuck .brand__tag{color:var(--muted)}

.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--ff-title);font-weight:500;font-size:.94rem;color:rgba(255,255,255,.88);
  padding:10px 15px;border-radius:var(--r-pill);position:relative;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav a.is-active{color:#fff}
.nav a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  border-radius:2px;background:var(--accent-soft);
}
.is-stuck .nav a{color:var(--text)}
.is-stuck .nav a:hover{color:var(--accent);background:var(--base-3)}
.is-stuck .nav a.is-active{color:var(--accent)}
.is-stuck .nav a.is-active::after{background:var(--accent)}
.nav .btn{margin-left:10px}
.nav .nav__cta--mobile{display:none}

.burger{
  display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;
  background:transparent;border:1.5px solid rgba(255,255,255,.35);border-radius:12px;
  cursor:pointer;color:#fff;transition:border-color .22s var(--ease),color .22s var(--ease);
}
.is-stuck .burger{border-color:var(--line);color:var(--ink)}
.burger svg{width:20px;height:20px;pointer-events:none}
.burger .ico-close{display:none}
.burger.is-open .ico-open{display:none}
.burger.is-open .ico-close{display:block}

.nav-backdrop{
  position:fixed;inset:0;z-index:70;background:rgba(7,14,28,.55);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink);color:rgba(255,255,255,.82);
  padding-block:clamp(150px,18vw,215px) clamp(84px,9vw,118px);
}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(7,17,36,.94) 0%,rgba(7,17,36,.86) 42%,rgba(7,17,36,.62) 100%),
             linear-gradient(0deg,rgba(7,17,36,.75) 0%,rgba(7,17,36,0) 45%);
}
.hero__inner{max-width:760px}
.hero h1{margin-top:15px}
.hero .lead{margin-top:22px;max-width:620px}

.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:40px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-facts li{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.9rem;color:rgba(255,255,255,.78);
}
.hero-facts svg{width:18px;height:18px;flex:none;color:var(--accent-soft)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink);color:rgba(255,255,255,.8);
  padding-block:clamp(140px,15vw,182px) clamp(56px,6vw,82px);
}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(95deg,rgba(7,17,36,.94) 0%,rgba(7,17,36,.85) 50%,rgba(7,17,36,.68) 100%);
}
.page-hero h1{margin-top:15px}
.page-hero .lead{margin-top:18px;max-width:640px}

/* ---------- Grillas ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- Tarjeta de servicio ---------- */
.card-serv{
  display:flex;flex-direction:column;background:var(--base);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card-serv:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--base-3)}
.card-serv__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--base-3)}
.card-serv__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.card-serv:hover .card-serv__media img{transform:scale(1.05)}
.card-serv__ico{
  position:absolute;left:18px;bottom:18px;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;background:var(--accent);color:#fff;
  box-shadow:0 12px 24px -14px rgba(11,22,46,.9);
}
.card-serv__ico svg{width:23px;height:23px}
.card-serv__body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.card-serv__body h3{font-size:1.14rem}
.card-serv__body p{margin-top:12px;color:var(--muted);font-size:.955rem}
.card-serv__body .link-arrow{margin-top:auto;padding-top:20px}

/* ---------- Servicio detallado ---------- */
.serv{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);gap:clamp(30px,4.4vw,62px);align-items:center}
.serv+.serv{margin-top:clamp(56px,6.5vw,92px);padding-top:clamp(56px,6.5vw,92px);border-top:1px solid var(--line)}
.serv--flip .serv__media{order:2}
.serv__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--base-3)}
.serv__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.serv__num{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff-title);font-weight:600;font-size:.735rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin-bottom:7px;
}
.serv__num span{
  width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;
  display:grid;place-items:center;letter-spacing:0;font-size:.9rem;
}
.serv h2{margin-top:15px}
.serv p{margin-top:16px;color:var(--muted)}
.list-check{margin-top:24px;display:grid;gap:13px}
.list-check li{display:flex;gap:12px;align-items:flex-start;font-size:.97rem}
.list-check svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--accent)}
.section--dark .list-check svg{color:var(--accent-soft)}

/* ---------- Tarjeta de pilar (sobre oscuro) ---------- */
.pillar{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r);padding:30px 26px 32px;
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.pillar:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.24);transform:translateY(-4px)}
.pillar__ico{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:rgba(63,192,240,.16);color:var(--accent-soft);margin-bottom:20px;
}
.pillar__ico svg{width:24px;height:24px}
.pillar h3{font-size:1.09rem}
.pillar p{margin-top:11px;font-size:.93rem;color:rgba(255,255,255,.7);line-height:1.75}

/* ---------- Pasos / proceso ---------- */
.steps{counter-reset:paso;display:grid;gap:var(--gap)}
.step{position:relative;padding-top:26px;border-top:2px solid var(--line)}
.section--dark .step{border-top-color:rgba(255,255,255,.18)}
.step__n{
  font-family:var(--ff-title);font-weight:700;font-size:.78rem;letter-spacing:.16em;
  color:var(--accent);display:block;margin-bottom:12px;
}
.section--dark .step__n{color:var(--accent-soft)}
.step h3{font-size:1.06rem}
.step p{margin-top:11px;font-size:.93rem;color:var(--muted)}
.section--dark .step p{color:rgba(255,255,255,.7)}

/* ---------- Bloque texto + imagen ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,4.5vw,66px);align-items:center}
.split--flip .split__media{order:2}
.split__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--base-3)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__body h2{margin-top:15px}
.split__body p{margin-top:18px;color:var(--muted)}
.section--dark .split__body p{color:rgba(255,255,255,.78)}

/* ---------- Mision / Vision ---------- */
.mv{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-lg);padding:clamp(28px,3.4vw,44px);
}
.mv__ico{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:rgba(63,192,240,.16);color:var(--accent-soft);margin-bottom:22px;
}
.mv__ico svg{width:25px;height:25px}
.mv h3{font-size:1.3rem}
.mv p{margin-top:15px;color:rgba(255,255,255,.76);font-size:.99rem;line-height:1.82}

/* ---------- Valores ---------- */
.value{display:flex;gap:16px;align-items:flex-start}
.value__ico{
  width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--base-3);color:var(--accent);
}
.value__ico svg{width:22px;height:22px}
.value h3{font-size:1.02rem}
.value p{margin-top:8px;font-size:.93rem;color:var(--muted)}

/* ---------- Cita ---------- */
.quote{max-width:920px;margin-inline:auto;text-align:center}
.quote__mark{width:44px;height:44px;margin:0 auto 22px;color:var(--accent-soft);opacity:.85}
.quote p{
  font-family:var(--ff-title);font-weight:500;line-height:1.4;letter-spacing:-.02em;
  font-size:clamp(1.3rem,2.5vw,1.95rem);color:#fff;
}
.quote cite{
  display:block;margin-top:24px;font-style:normal;font-size:.8rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent-soft);font-family:var(--ff-title);font-weight:600;
}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:clamp(32px,4vw,64px);align-items:start}

.info-list{display:grid;gap:26px;margin-top:32px}
.info-item{display:flex;gap:15px;align-items:flex-start}
.info-item__ico{
  width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--base-3);color:var(--accent);
}
.info-item__ico svg{width:21px;height:21px}
.info-item h3{font-size:.79rem;letter-spacing:.17em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.info-item__data{margin-top:9px;display:grid;gap:7px}
.info-item__data a,.info-item__data span{
  display:inline-flex;align-items:center;gap:10px;font-size:.97rem;color:var(--text);
  transition:color .2s var(--ease);
}
.info-item__data a:hover{color:var(--accent)}
.info-item__data svg{width:17px;height:17px;flex:none;color:var(--accent)}

/* ---------- Formulario ---------- */
.form-card{background:var(--base);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3.2vw,42px);box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--ff-title);font-weight:500;font-size:.85rem;color:var(--ink)}
.field input,.field textarea{
  font:inherit;font-size:.96rem;color:var(--text);background:var(--base-2);
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:13px 15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{resize:vertical;min-height:142px;line-height:1.65}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:var(--base)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.form-card .btn{margin-top:22px}

.form-note{
  display:none;align-items:flex-start;gap:12px;border-radius:var(--r-sm);
  padding:14px 17px;font-size:.93rem;margin-bottom:24px;
}
.form-note svg{width:19px;height:19px;flex:none;margin-top:3px}
.form-note.is-ok{display:flex;background:#E9F7EE;border:1px solid #BFE6CD;color:#1D6B3B}
.form-note.is-err{display:flex;background:#FDECEC;border:1px solid #F5C6C6;color:#9B2C2C}

.map-frame{
  margin-top:clamp(40px,4.4vw,64px);border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);line-height:0;
}
.map-frame iframe{width:100%;height:420px;border:0;display:block}

/* ---------- CTA ---------- */
.cta{
  position:relative;isolation:isolate;overflow:hidden;background:var(--ink);
  color:rgba(255,255,255,.8);padding-block:clamp(66px,7.5vw,104px);
}
.cta__bg{position:absolute;inset:0;z-index:-2}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(92deg,rgba(8,18,38,.94) 0%,rgba(8,18,38,.86) 55%,rgba(8,18,38,.72) 100%);
}
.cta__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:34px}
.cta__text{max-width:640px}
.cta h2{margin-top:15px}
.cta .lead{margin-top:16px}
.cta .btn-row{margin-top:0;flex:none}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.66);
  padding-block:clamp(52px,6vw,74px) 30px;font-size:.94rem;
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:clamp(30px,3.4vw,48px);
}
.footer-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-brand img{width:56px;height:42px;object-fit:contain;flex:none}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__tag{color:rgba(255,255,255,.62)}
.site-footer p{color:rgba(255,255,255,.62);font-size:.93rem;max-width:330px;line-height:1.78}
.footer-col h3{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.55);font-weight:600;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{
  display:inline-flex;align-items:center;gap:10px;color:rgba(255,255,255,.72);
  font-size:.93rem;transition:color .2s var(--ease);line-height:1.5;
}
.footer-col a:hover{color:#fff}
.footer-col svg{width:17px;height:17px;flex:none;color:var(--accent-soft)}

.footer-credit{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:.8rem;color:rgba(255,255,255,.6);
}
.footer-credit a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
.footer-credit a:hover{color:rgba(255,255,255,.92)}

/* ---------- Animaciones de entrada ---------- */
/* Sin JS (o si main.js no carga) no hay clase .js: el contenido se ve siempre. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.js .reveal[data-d="1"]{transition-delay:.09s}
.js .reveal[data-d="2"]{transition-delay:.18s}
.js .reveal[data-d="3"]{transition-delay:.27s}
.js .reveal[data-d="4"]{transition-delay:.36s}
.js .reveal[data-d="5"]{transition-delay:.45s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--gap:22px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .contact-grid{grid-template-columns:minmax(0,1fr);gap:40px}
}

@media (max-width:880px){
  .site-header .container{min-height:72px}
  .burger{display:inline-flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;
    background:var(--ink);padding:100px 22px 34px;
    transform:translateX(102%);transition:transform .38s var(--ease);
    overflow-y:auto;box-shadow:-24px 0 60px -30px rgba(0,0,0,.8);
  }
  .nav.is-open{transform:none}
  .nav a{color:rgba(255,255,255,.88);font-size:1rem;padding:14px 16px;border-radius:var(--r-sm)}
  .is-stuck .nav a{color:rgba(255,255,255,.88)}
  .nav a:hover,.is-stuck .nav a:hover{background:rgba(255,255,255,.1);color:#fff}
  .nav a.is-active,.is-stuck .nav a.is-active{color:var(--accent-soft);background:rgba(255,255,255,.07)}
  .nav a.is-active::after,.is-stuck .nav a.is-active::after{display:none}
  .nav .nav__cta{display:none}
  .nav .nav__cta--mobile{display:inline-flex;margin:18px 0 0}
  .serv,.serv--flip .serv__media,.split,.split--flip .split__media{grid-template-columns:minmax(0,1fr);order:0}
  .serv__media,.split__media{max-width:640px}
  .cta__inner{flex-direction:column;align-items:flex-start}
}

@media (max-width:560px){
  :root{--gap:18px}
  .container{padding-inline:18px}
  .grid--3,.grid--4,.grid--2{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .site-footer p{max-width:none}
  .brand img{width:44px;height:33px}
  .brand__name{font-size:1.14rem}
  .brand__tag{font-size:.45rem}
  .btn{padding:12px 22px;font-size:.9rem}
  .btn-row .btn{flex:1 1 auto}
  .hero-facts{gap:12px 22px}
  .map-frame iframe{height:320px}
}