/* ============================================================
   verd.energy — Sistema de diseño v1
   Paleta y tipografía: Manual de Marca Verd v1.0
   ============================================================ */

/* ---------- Fuentes ---------- */
@font-face{font-family:"IBM Plex Sans";src:url("../fonts/IBMPlexSans-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("../fonts/IBMPlexSans-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("../fonts/IBMPlexSans-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("../fonts/IBMPlexSans-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("../fonts/IBMPlexMono-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("../fonts/IBMPlexMono-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("../fonts/IBMPlexMono-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --prof:#0B3B2E;        /* Verd Profund */
  --depth:#072A20;       /* profundidad hero */
  --sen:#00A878;         /* Verd Senyal */
  --sen-bright:#19D29B;  /* brillo LED */
  --gra:#1B2421;         /* Grafit */
  --gt:#5C6A64;          /* gris texto */
  --gris:#E9EEEC;        /* Gris Tècnic */
  --tint:#F2F7F5;        /* fondo suave */
  --paper:#FFFFFF;
  --amb:#F5A623;         /* alerta */
  --ver:#D64541;         /* disparo */
  --line-d:#1E5443;      /* líneas sobre oscuro */
  --lgt:#A9BDB5;         /* texto suave sobre oscuro */
  --sans:"IBM Plex Sans",system-ui,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1200px;
  --r:14px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--gra);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--sen);color:#fff}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section--dark{background:linear-gradient(180deg,var(--prof),var(--depth));color:#fff}
.section--tint{background:var(--tint)}

/* ---------- Tipografía ---------- */
.eyebrow{font-family:var(--mono);font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--sen);display:flex;align-items:center;gap:.6rem;margin-bottom:1.1rem}
h1{font-size:clamp(2.5rem,6vw,4.4rem);line-height:1.04;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1;font-weight:700;letter-spacing:-.015em;margin-bottom:1rem}
h3{font-size:1.15rem;font-weight:600}
.lead{font-size:1.18rem;color:var(--gt);max-width:46ch}
.section--dark .lead{color:var(--lgt)}
.dot{color:var(--sen)}

/* LED */
.led{width:.55em;height:.55em;border-radius:50%;background:var(--sen);display:inline-block;box-shadow:0 0 0 0 rgba(0,168,120,.5);animation:pulse 2.4s infinite}
.led--amb{background:var(--amb);box-shadow:0 0 0 0 rgba(245,166,35,.5)}
.led--ver{background:var(--ver);box-shadow:0 0 0 0 rgba(214,69,65,.5)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,168,120,.45)}70%{box-shadow:0 0 0 11px rgba(0,168,120,0)}100%{box-shadow:0 0 0 0 rgba(0,168,120,0)}}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:600;font-size:1rem;padding:.85rem 1.6rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn--solid{background:var(--sen);color:var(--depth)}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,168,120,.35)}
.btn--ghost{border-color:var(--line-d);color:#fff}
.btn--ghost:hover{border-color:var(--sen);color:var(--sen-bright)}
.btn--ghost-l{border-color:#CBD8D2;color:var(--gra)}
.btn--ghost-l:hover{border-color:var(--sen);color:var(--prof)}

/* ---------- Navegación ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:60;transition:background .25s ease,box-shadow .25s ease}
.nav.is-scrolled{background:rgba(7,42,32,.88);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav__in{max-width:var(--max);margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:1.6rem}
.nav__logo{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:-.02em}
.nav__logo svg{height:34px;width:auto}
.nav__links{display:flex;gap:1.5rem;margin-left:auto;align-items:center}
.nav__links a{color:#E4EEE9;text-decoration:none;font-size:.95rem;font-weight:500}
.nav__links a:hover{color:var(--sen-bright)}
.nav .btn{padding:.55rem 1.15rem;font-size:.92rem}
.lang{position:relative}
.lang select{appearance:none;background:transparent;border:1px solid var(--line-d);color:#E4EEE9;font-family:var(--mono);font-size:.8rem;padding:.4rem 1.6rem .4rem .7rem;border-radius:8px;cursor:pointer}
.lang::after{content:"▾";position:absolute;right:.55rem;top:50%;transform:translateY(-50%);color:var(--lgt);font-size:.7rem;pointer-events:none}
.nav__burger{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 700px at 75% -10%,#0F5240 0%,var(--prof) 45%,var(--depth) 100%);color:#fff;padding:172px 0 110px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center}
.hero h1{margin:0 0 1.2rem}
.hero .lead{margin-bottom:2rem}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero__visual{position:relative;display:flex;justify-content:center;flex-wrap:wrap}
.hero__visual img{width:min(420px,90%);filter:drop-shadow(0 30px 60px rgba(0,0,0,.45))}
.hero__halo{position:absolute;inset:auto;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(0,168,120,.22),transparent 65%);z-index:0}
.hero__visual img{position:relative;z-index:1}
/* telemetría */
.telemetry{position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);background:rgba(7,42,32,.82);border:1px solid var(--line-d);backdrop-filter:blur(10px);border-radius:12px;padding:.8rem 1.2rem;font-family:var(--mono);font-size:.8rem;display:flex;gap:1.4rem;white-space:nowrap;z-index:2}
.telemetry b{font-weight:600;color:#fff}
.telemetry span{color:var(--lgt)}
.telemetry .ok{color:var(--sen-bright)}

/* tira de confianza */
.trust{border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);background:var(--depth);color:var(--lgt);font-family:var(--mono);font-size:.78rem;letter-spacing:.16em;overflow:hidden}
.trust__track{display:flex;gap:3.2rem;padding:.95rem 0;width:max-content;animation:marquee 36s linear infinite}
.trust__track span{display:flex;align-items:center;gap:.7rem;white-space:nowrap}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Problema ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.pain{display:flex;gap:.95rem;padding:1rem 0;border-bottom:1px solid var(--gris)}
.pain:last-child{border-bottom:none}
.pain__x{flex:0 0 38px;height:38px;border-radius:50%;background:var(--ver);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.pain h3{margin-bottom:.15rem}
.pain p{color:var(--gt);font-size:.95rem}
.consequence{background:var(--paper);border:1px solid var(--gris);border-radius:var(--r);padding:1.3rem 1.4rem;display:flex;gap:1rem;align-items:flex-start;box-shadow:0 8px 26px rgba(11,59,46,.06)}
.consequence+.consequence{margin-top:1rem}
.consequence__chip{font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.14em;padding:.3rem .6rem;border-radius:6px;white-space:nowrap}
.chip--ver{background:#FBE9E8;color:var(--ver)}
.chip--amb{background:#FDF2DD;color:#B97C0E}
.consequence p{color:var(--gt);font-size:.95rem}

/* ---------- Cómo funciona ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem}
.step{background:var(--paper);border:1px solid var(--gris);border-radius:var(--r);padding:1.7rem;box-shadow:0 10px 30px rgba(11,59,46,.06)}
.step__n{font-family:var(--mono);font-weight:600;color:var(--sen);font-size:.85rem;letter-spacing:.18em;margin-bottom:.9rem}
.step h3{font-size:1.3rem;margin-bottom:.4rem}
.step p{color:var(--gt);font-size:.97rem}

/* banda del corte 0,03 s */
.trip{background:linear-gradient(180deg,var(--prof),var(--depth));color:#fff;border-radius:20px;margin-top:3rem;padding:3rem 2.4rem;text-align:center;position:relative;overflow:hidden}
.trip__readout{font-family:var(--mono);font-size:clamp(2.4rem,7vw,4.6rem);font-weight:600;letter-spacing:-.01em;color:var(--amb);transition:color .2s}
.trip__readout.is-tripped{color:var(--sen-bright)}
.trip__label{font-family:var(--mono);font-size:.8rem;letter-spacing:.22em;color:var(--lgt);text-transform:uppercase;margin-top:.6rem}
.trip__flash{position:absolute;inset:0;background:var(--sen);opacity:0;pointer-events:none}
.trip__flash.go{animation:flash .5s ease}
@keyframes flash{0%{opacity:.55}100%{opacity:0}}

/* ---------- Inmersión ---------- */
.imm{position:relative}
.imm .split{align-items:center}
.imm__card{background:rgba(0,168,120,.12);border:1px solid rgba(0,168,120,.4);border-radius:var(--r);padding:1.5rem 1.6rem;margin-top:1.8rem}
.imm__card h3{color:var(--sen-bright);margin-bottom:.35rem}
.imm__card p{color:var(--lgt);font-size:.97rem}
.imm__visual{background:rgba(255,255,255,.04);border:1px solid var(--line-d);border-radius:20px;padding:2.2rem;display:flex;flex-direction:column;align-items:center;gap:1rem}
.imm__visual img{width:min(360px,100%)}
.imm__visual figcaption{font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;color:var(--lgt);text-transform:uppercase}
.imm ul{list-style:none;margin-top:1.4rem;display:grid;gap:.55rem}
.imm li{display:flex;gap:.7rem;color:var(--lgt)}
.imm li::before{content:"";flex:0 0 9px;height:9px;border-radius:50%;background:var(--sen);margin-top:.55rem}

/* ---------- Producto ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.4rem}
.pcard{background:var(--paper);border:1px solid var(--gris);border-radius:var(--r);padding:1.5rem;box-shadow:0 10px 30px rgba(11,59,46,.06);display:flex;flex-direction:column}
.pcard img{height:170px;object-fit:contain;margin:0 auto 1.1rem}
.pcard h3{margin-bottom:.3rem}
.pcard p{color:var(--gt);font-size:.93rem}
.pcard__tag{font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.16em;color:var(--sen);margin-bottom:.5rem}
.formats{display:flex;gap:1rem;margin-top:1.8rem;flex-wrap:wrap}
.format{flex:1;min-width:260px;border:1.5px solid var(--gris);border-radius:var(--r);padding:1.2rem 1.4rem;display:flex;gap:1rem;align-items:center;background:var(--tint)}
.format b{display:block}
.format span{color:var(--gt);font-size:.9rem}
.format__ico{flex:0 0 44px;height:44px;border-radius:12px;background:var(--prof);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.68rem;font-weight:600}
.specs{margin-top:2rem;background:var(--depth);color:var(--lgt);border-radius:12px;padding:.95rem 1.4rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;text-align:center}
.specs b{color:#fff;font-weight:600}

/* ---------- Plataforma ---------- */
.feature{display:flex;gap:1rem;padding:1.05rem 0;border-bottom:1px solid var(--gris)}
.feature:last-child{border:none}
.feature__ico{flex:0 0 42px;height:42px;border-radius:50%;background:var(--prof);color:#fff;display:flex;align-items:center;justify-content:center}
.feature__ico svg{width:18px;height:18px;fill:#fff}
.feature h3{margin-bottom:.1rem}
.feature p{color:var(--gt);font-size:.95rem}
.shot{background:var(--prof);border-radius:20px;padding:2rem;display:flex;align-items:center;justify-content:center}
.shot img{width:100%}

/* ---------- Espacios ---------- */
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.4rem}
.space{border:1px solid var(--gris);border-radius:var(--r);padding:1.4rem;background:var(--paper)}
.space h3{display:flex;align-items:center;gap:.6rem;margin-bottom:.35rem}
.space p{color:var(--gt);font-size:.92rem}

/* ---------- Profesionales ---------- */
.pro{color:#fff}
.pro .cards2{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:2.4rem}
.procard{background:rgba(255,255,255,.05);border:1px solid var(--line-d);border-radius:var(--r);padding:2rem}
.procard h3{font-size:1.35rem;margin-bottom:.5rem}
.procard p{color:var(--lgt);margin-bottom:1.4rem}
.pro__stats{display:flex;gap:2.6rem;margin-top:2.8rem;flex-wrap:wrap}
.stat b{font-size:2rem;font-weight:700;color:var(--sen-bright)}
.stat span{display:block;color:var(--lgt);font-size:.85rem;max-width:22ch}

/* ---------- Global ---------- */
.world{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hq{font-size:1.5rem;font-weight:700;line-height:1.5}
.hq small{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--sen);text-transform:uppercase;margin-bottom:.4rem}
.soon{font-family:var(--mono);font-size:.85rem;color:var(--gt);line-height:2.1}
.soon b{color:var(--gra);font-weight:600}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:2.2rem auto 0}
.faq details{border-bottom:1px solid var(--gris)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem 0;font-weight:600;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--sen);font-size:1.3rem;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 1.2rem;color:var(--gt);max-width:62ch}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem}
.form{display:grid;gap:1rem}
.form label{font-size:.85rem;font-weight:600;display:block;margin-bottom:.3rem}
.form input,.form select,.form textarea{width:100%;font-family:var(--sans);font-size:1rem;padding:.8rem .95rem;border:1.5px solid #CBD8D2;border-radius:10px;background:var(--paper);color:var(--gra)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--sen);outline-offset:1px;border-color:var(--sen)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form .check{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--gt)}
.form .check input{width:auto;margin-top:.25rem}
.form button{justify-content:center}
.form__ok{display:none;background:var(--tint);border:1px solid var(--sen);color:var(--prof);border-radius:10px;padding:1rem;font-weight:600}
.cmeta{display:grid;gap:1.2rem;margin-top:1.6rem}
.cmeta div{font-size:.95rem;color:var(--gt)}
.cmeta b{display:block;color:var(--gra)}

/* ---------- Footer ---------- */
.footer{background:var(--depth);color:var(--lgt);padding:64px 0 36px;font-size:.9rem}
.footer__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:2.4rem;margin-bottom:2.6rem}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:.8rem}
.footer ul{list-style:none;display:grid;gap:.45rem}
.footer a{color:var(--lgt);text-decoration:none}
.footer a:hover{color:var(--sen-bright)}
.footer__brand svg{height:42px;width:auto;margin-bottom:1rem}
.footer__certs{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--lgt);border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);padding:1rem 0;margin-bottom:1.4rem;text-align:center;line-height:2}
.footer__legal{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.8rem}
.footer__legal p{max-width:72ch}

/* ---------- Cookies ---------- */
.cookies{position:fixed;left:20px;bottom:20px;z-index:90;max-width:380px;background:var(--paper);border:1px solid var(--gris);border-radius:16px;box-shadow:0 24px 60px rgba(7,42,32,.28);padding:1.4rem;transform:translateY(20px);opacity:0;pointer-events:none;transition:all .35s ease}
.cookies.show{transform:none;opacity:1;pointer-events:auto}
.cookies h3{display:flex;align-items:center;gap:.55rem;font-size:1.02rem;margin-bottom:.45rem}
.cookies p{font-size:.88rem;color:var(--gt);margin-bottom:1rem}
.cookies__btns{display:flex;gap:.7rem;flex-wrap:wrap}
.cookies .btn{padding:.6rem 1.1rem;font-size:.88rem}
.cookies a{font-size:.78rem;color:var(--gt)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero__grid,.split,.contact,.world{grid-template-columns:1fr}
  .steps,.cards3,.grid6{grid-template-columns:1fr 1fr}
  .pro .cards2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__links{display:none}
  .nav__burger{display:block;margin-left:auto;background:none;border:1px solid var(--line-d);color:#fff;border-radius:8px;padding:.45rem .7rem;font-size:1.1rem;cursor:pointer}
  .nav.open .nav__links{display:flex;position:absolute;top:100%;left:0;right:0;background:var(--depth);flex-direction:column;padding:1.2rem 24px;gap:1rem}
  .hero{padding-top:140px}
}
@media (max-width:600px){
  .steps,.cards3,.grid6,.footer__grid,.form .row{grid-template-columns:1fr}
  .section{padding:72px 0}
  .telemetry{position:static;transform:none;margin-top:1.2rem;flex-wrap:wrap;gap:.8rem;justify-content:center;width:100%;white-space:normal}
  .cookies{left:12px;right:12px;max-width:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- Páginas legales ---------- */
.legal-head{background:linear-gradient(180deg,var(--prof),var(--depth));color:#fff;padding:140px 0 56px}
.legal-head h1{font-size:clamp(1.8rem,4vw,2.8rem)}
.legal-head .eyebrow{margin-bottom:.8rem}
.legal{max-width:820px;margin:0 auto;padding:56px 24px 88px}
.legal h2{font-size:1.35rem;margin:2.2rem 0 .7rem;color:var(--prof)}
.legal p,.legal li{color:var(--gt);font-size:.98rem;margin-bottom:.8rem}
.legal ul{padding-left:1.2rem;margin-bottom:.8rem}
.legal table{width:100%;border-collapse:collapse;font-size:.9rem;margin:.6rem 0 1rem}
.legal th{background:var(--prof);color:#fff;text-align:left;padding:.55rem .7rem;font-weight:600}
.legal td{border:1px solid var(--gris);padding:.55rem .7rem;color:var(--gt)}
.legal .updated{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;color:var(--lgt)}
.legal a{color:var(--sen);font-weight:600}