/* ============================================================
   Dartel Solutions — Shared site components
   Relies on foundations.css loaded first (tokens + type roles).
   This file: reset, layout, buttons, nav, footer, reveals, slots.
   ============================================================ */

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink-1);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-wrap:break-word;word-break:break-word}
a{color:inherit}
img,svg{display:block;max-width:100%}
img{height:auto}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--r-xs)}
.skip{position:absolute;left:-9999px;top:0;background:var(--white);color:var(--green-deep);padding:12px 18px;border-radius:0 0 var(--r-md) 0;font-weight:700;z-index:200}
.skip:focus{left:0}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
@media (max-width:640px){.section{padding:48px 0}}

/* ---- Eyebrow ---- */
.eyebrow{font-family:var(--font-body);font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--green-deep);margin:0 0 14px;display:inline-flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--green);display:inline-block}
.sec-head.center .eyebrow{justify-content:center}

/* ---- Buttons ---- */
.btn{font-family:var(--font-body);font-weight:600;font-size:15px;border-radius:var(--r-pill);padding:13px 24px;border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;gap:9px;text-decoration:none;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,filter .18s ease-out,color .18s ease-out;line-height:1;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn .ic{width:18px;height:18px}
.btn-primary{background:var(--green-deep);color:#fff;box-shadow:0 3px 10px rgba(12,124,66,.16)}
.btn-primary:hover{background:var(--green-deep);box-shadow:0 5px 14px rgba(12,124,66,.22);transform:translateY(-1px)}
.btn-secondary{background:var(--white);color:var(--green-deep);border-color:var(--line);box-shadow:var(--sh-xs)}
.btn-secondary:hover{background:var(--paper-2);border-color:var(--border-strong)}
.btn-ghost{background:transparent;color:var(--green-deep);padding-left:8px;padding-right:8px}
.btn-ghost:hover{color:var(--ink-1)}
.btn-ghost .ic{transition:transform .18s ease-out}
.btn-ghost:hover .ic{transform:translateX(3px)}
.btn-on-dark.btn-primary,.btn-wa{background:#fff;color:var(--green-deep);box-shadow:var(--sh-md)}
.btn-on-dark.btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-on-dark.btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-lg{font-size:16px;padding:15px 28px}
.btn-sm{font-size:14px;padding:9px 16px}

/* ============================================================
   HEADER — barra flotante tipo píldora
   ============================================================ */
.nav-bar{position:fixed;top:20px;left:0;right:0;max-width:var(--container);margin:0 auto;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px;pointer-events:none;background:rgba(244,245,242,0);border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,top .3s ease}
.nav-bar>*{pointer-events:auto}
.nav-pill{background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-sm);transition:box-shadow .25s ease,background .25s ease;margin:0}
.nav-left{display:inline-flex;align-items:center;gap:9px;transition:opacity .28s ease,transform .28s ease;will-change:opacity,transform}
.nav-cluster{display:inline-flex;align-items:center;gap:9px;transition:opacity .28s ease,transform .28s ease;will-change:opacity,transform}
.nav-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;padding:8px 16px 8px 12px}
.nav-brand .mark{width:30px;height:30px;flex:none}
.nav-brand .wm{display:flex;flex-direction:column;line-height:1}
.nav-brand .wm b{font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:-.02em;color:var(--ink-1)}
.nav-brand .wm span{font-family:var(--font-body);font-weight:600;font-size:9px;letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;margin-top:2px}
.nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;display:flex;align-items:center;gap:2px;padding:6px 8px;transition:opacity .28s ease,transform .28s ease;will-change:opacity,transform}
.nav a{font-size:14px;font-weight:500;color:var(--ink-2);text-decoration:none;padding:9px 14px;border-radius:var(--r-pill);transition:color .15s,background .15s;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink-1);background:rgba(15,23,20,.05)}
.lang{display:inline-flex;overflow:hidden;padding:0;transition:opacity .28s ease,transform .28s ease;will-change:opacity,transform}
.lang a{font-weight:600;font-size:12.5px;padding:12px 10px;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:var(--ink-3);transition:.15s}
.lang a:hover{color:var(--ink-1)}
.lang a.on{background:var(--green-deep);color:#fff}
/* Selector de idioma — desplegable con banderas */
.langsel{position:relative;display:inline-flex;padding:0}
.langsel-btn{display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 12px;background:none;border:0;cursor:pointer;font-family:var(--font-body);font-weight:600;font-size:12.5px;color:var(--ink-1);border-radius:var(--r-pill);transition:background .15s ease}
.langsel-btn:hover{background:rgba(15,23,20,.05)}
.langsel .flag{width:22px;height:15px;border-radius:3px;object-fit:cover;box-shadow:0 0 0 1px rgba(15,23,20,.12);flex:none}
.langsel-chev{width:13px;height:13px;color:var(--ink-3);transition:transform .2s ease;flex:none}
.langsel[data-open="true"] .langsel-chev{transform:rotate(180deg)}
.langsel-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:178px;list-style:none;margin:0;padding:6px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-lg);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:130}
.langsel[data-open="true"] .langsel-menu{opacity:1;visibility:visible;transform:none}
.langsel-menu a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--r-sm);text-decoration:none;color:var(--ink-1);font-size:14px;font-weight:500;min-height:44px}
.langsel-menu a:hover{background:var(--paper-2)}
.langsel-menu a[aria-current="true"]{background:rgba(24,169,87,.1);color:var(--green-deep);font-weight:700}
@media (prefers-reduced-motion:reduce){.langsel-menu,.langsel-chev{transition:none}}
.nav-shop{display:inline-flex;align-items:center;font-family:var(--font-body);font-weight:600;font-size:14px;text-decoration:none;padding:13px 18px;min-height:44px;color:#fff;background:var(--green-deep);border-color:transparent;box-shadow:0 3px 10px rgba(12,124,66,.16)}
.nav-shop:hover{background:var(--green-deep);transform:translateY(-1px)}
.nav-bar.nav-hidden .nav{opacity:0;transform:translate(-50%,calc(-50% - 8px));pointer-events:none}
.nav-bar.nav-hidden .nav-left,.nav-bar.nav-hidden .nav-cluster{opacity:0;transform:translateY(-8px);pointer-events:none}
.menu-btn{display:none;cursor:pointer;width:46px;height:46px;align-items:center;justify-content:center;padding:0;margin:0;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-sm);transition:opacity .28s ease,transform .28s ease}
.burger{position:relative;width:20px;height:14px}
.burger span{position:absolute;left:0;width:100%;height:2px;border-radius:2px;background:var(--ink-1);transition:transform .25s ease,opacity .2s ease,top .25s ease}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:6px}
.burger span:nth-child(3){top:12px}
.menu-btn[aria-expanded="true"] .burger span:nth-child(1){top:6px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] .burger span:nth-child(3){top:6px;transform:rotate(-45deg)}
.nav-mobile{position:fixed;top:80px;left:16px;right:16px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-lg);padding:10px;z-index:99;display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;transition:opacity .22s ease,transform .22s ease,visibility .22s}
.nav-mobile.open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.nav-mobile a{padding:13px 16px;border-radius:var(--r-md);font-weight:600;color:var(--ink-1);text-decoration:none}
.nav-mobile a:hover{background:var(--paper-2)}
.nav-mobile a[aria-current="page"]{background:rgba(15,23,20,.07);color:var(--green-deep);font-weight:700}
@media (max-width:1160px){.nav{display:none}.menu-btn{display:inline-flex}}
@media (max-width:520px){.nav-brand .wm{display:none}}
@media (prefers-reduced-motion:reduce){.nav-bar,.nav,.lang,.menu-btn,.nav-left,.nav-cluster{transition:none}.burger span{transition:none}.nav-mobile{transition:none}}

/* ============================================================
   PAGE HERO — full-cover background image with dark scrim
   Used by: servicios, instalaciones, aprende, sobre-nosotros, article pages
   ============================================================ */
.page-hero{position:relative;min-height:clamp(480px,68svh,680px);display:flex;align-items:center;overflow:hidden;isolation:isolate;background:linear-gradient(160deg,#0B0C0D 0%,#0E1011 52%,#0A0B0C 100%)}
.hero-net{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(9,10,11,.9) 0%,rgba(9,10,11,.5) 46%,rgba(9,10,11,0) 78%),linear-gradient(180deg,rgba(9,10,11,0) 45%,rgba(9,10,11,.6) 100%)}
.page-hero .container{position:relative;z-index:2;width:100%;padding-top:calc(92px + var(--sp-6));padding-bottom:var(--sp-8)}
.page-hero-inner{max-width:720px}
.page-hero .eyebrow{color:var(--green-soft)}
.page-hero .eyebrow::before{background:var(--green-soft)}
.page-hero .h-hero{margin:16px 0 0;color:#fff}
.page-hero .h-hero .accent{background:none;-webkit-background-clip:unset;background-clip:unset;color:var(--green-soft)}
.page-hero .lead{margin:18px 0 0;color:rgba(255,255,255,.92)}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.page-hero .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.page-hero .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82);text-decoration:none;font-weight:500;display:inline-flex;align-items:center;min-height:44px;margin-block:-12px}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.art-meta-bar{display:flex;align-items:center;gap:12px;margin-bottom:32px;flex-wrap:wrap}
.art-meta-bar time{font-size:13px;color:rgba(255,255,255,.65)}

/* ---- Image slot placeholder ---- */
.slot{background:var(--paper-2);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-3);overflow:hidden;position:relative}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot .ic{width:34px;height:34px;color:var(--border-strong)}
.slot small{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);text-align:center;padding:0 14px}
.slot.dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.65)}
.slot.dark .ic{color:rgba(255,255,255,.4)}
.slot.dark small{color:rgba(255,255,255,.6)}

/* ---- Section head ---- */
.sec-head{max-width:660px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .lead{margin-top:14px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-head-row .t{max-width:580px}
.sec-head-row .lead{margin-top:12px}

/* ---- Shared card ---- */
.card{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out}
.card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--border-strong)}

/* ---- Banda verde oscura (band) ---- */
.band{background:var(--band-dark);color:#fff;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;top:-140px;left:-120px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(124,226,160,.18),transparent 70%);pointer-events:none}
.band .eyebrow{color:var(--green-soft)}
.band .eyebrow::before{background:var(--green-soft)}
.band h2,.band h3{color:#fff}
.band .lead{color:rgba(255,255,255,.84)}

/* ---- Trust seals ---- */
.seal{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13px;padding:8px 14px;border-radius:var(--r-pill);background:var(--green-soft);color:var(--on-green-soft)}
.seal .ic{width:15px;height:15px}
.seal.outline{background:var(--paper-2);border:1px solid var(--line);color:var(--ink-2)}

/* ---- ic-box (icon in box) ---- */
.ic-box{width:48px;height:48px;border-radius:var(--r-sm);background:var(--green-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;flex:none}

/* ---- Contact grid (compartido: sobre-nosotros, contacto) ---- */
.contact-card{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;text-decoration:none;color:inherit;display:flex;flex-direction:column;box-shadow:var(--sh-xs);transition:box-shadow .2s,transform .2s,border-color .2s}
.contact-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:var(--border-strong)}
.contact-card h3{font-family:var(--font-display);font-weight:600;font-size:18px;color:var(--ink-1);margin:0 0 8px}
.contact-card p{margin:0 0 16px;font-size:14px;color:var(--ink-2);line-height:1.6;flex:1}
.contact-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green-deep)}
.contact-link .ic{width:16px;height:16px;transition:transform .18s}
.contact-card:hover .contact-link .ic{transform:translateX(3px)}
.ic-box .ic{width:24px;height:24px;color:var(--green-deep)}

/* ---- Final CTA ---- */
.final{text-align:center}
.final-box{position:relative;background:var(--brand-grad);border-radius:var(--r-xl);padding:72px 32px;color:#fff;box-shadow:var(--sh-lg);overflow:hidden}
.final-box::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% -10%,rgba(255,255,255,.18),transparent 55%)}
.final-box>*{position:relative}
.final-box h2{color:#fff;max-width:20ch;margin:0 auto}
.final-box .lead{color:rgba(255,255,255,.92);margin:18px auto 0;max-width:48ch}
.final-actions{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* ============================================================
   FOOTER
   ============================================================ */
.ftr{background:var(--ink);color:rgba(255,255,255,.7);padding:var(--sp-8) 0 max(28px,env(safe-area-inset-bottom))}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.ftr-logo{display:inline-flex;align-items:center;gap:11px;margin-bottom:16px}
.ftr-logo .mark{width:34px;height:34px}
.ftr-logo b{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:-.02em;color:#fff}
.ftr p{font-size:14px;line-height:1.6;margin:0 0 18px;max-width:36ch}
.ftr h2{font-family:var(--font-display);font-weight:600;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:#fff;margin:0 0 16px}
.ftr ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.ftr a{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;transition:color .15s;display:inline-flex;align-items:center;min-height:44px;padding:4px 0}
.ftr a:hover{color:#fff}
.ftr-contact{display:flex;flex-direction:column;gap:11px;font-size:14px}
.ftr-contact a{display:inline-flex;align-items:center;gap:9px}
.ftr-contact .ic{width:16px;height:16px;color:var(--green-soft)}
.ftr-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:24px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
@media (max-width:880px){.ftr-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:520px){.ftr-grid{grid-template-columns:repeat(3,1fr);gap:20px 10px}.ftr-grid>div:first-child{grid-column:1/-1}.ftr-grid h2{font-size:11px;margin-bottom:6px}.ftr-grid ul a{font-size:12.5px}}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.07s}
.reveal[data-d="2"]{transition-delay:.14s}
.reveal[data-d="3"]{transition-delay:.21s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   MOBILE FIXES — tap targets, safe areas, flex overflow
   ============================================================ */
@media (pointer:coarse){
  .btn,.nav-mobile a{min-height:44px;min-width:44px}
}
.ftr-grid>*,.bento>*,.prod-grid>*,.ftr-bottom>*{min-width:0}
.container{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
@media (max-width:640px){.final-box{padding:48px 22px}}
@media (max-width:520px){
  .hero-actions,.final-actions{flex-direction:column;align-items:stretch;gap:10px}
  .hero-actions .btn,.final-actions .btn{width:100%}
}

/* ---- Botón volver arriba ---- */
.to-top{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:90;width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;background:var(--brand-grad);color:#fff;box-shadow:var(--sh-green);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (prefers-reduced-motion:reduce){.to-top{transition:opacity .2s ease}}

/* ---- Spotlight verde que sigue el cursor (solo hover real) ---- */
@media (hover:hover){
  .svc,.prod,.learn{position:relative}
  .svc::after,.prod::after,.learn::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .25s ease;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(24,169,87,.13),transparent 60%)}
  .svc:hover::after,.prod:hover::after,.learn:hover::after{opacity:1}
}