/* Optienergy · Landing «Estudio energético personalizado» */
:root{
  --e-navy:#0B1824;--e-navy2:#132A3D;--e-ink:#2C3E50;--e-muted:#5B6B7B;--e-line:#E3E8EF;--e-soft:#F5F7FA;
  --e-green:#2ECC71;--e-green-d:#22B262;--e-blue:#2980B9;--e-err:#C0392B;--e-radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.estudio{margin:0;background:#fff;color:var(--e-ink);font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.estudio a:where(:not([class])){color:inherit}
.estudio [hidden]{display:none!important}
.e-wrap{width:min(1160px,100% - 32px);margin:0 auto}
.e-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Cabecera */
.e-top{position:absolute;inset:0 0 auto;z-index:5}
.e-top .e-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.e-logo{font-family:Poppins,sans-serif;font-weight:700;font-size:21px;color:#fff;text-decoration:none;display:flex;align-items:center;gap:8px}
.e-logo i{width:10px;height:10px;border-radius:3px;background:var(--e-green)}
.e-top__call{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:600;font-size:14.5px;
  padding:9px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);transition:background .2s}
.e-top__call:hover{background:rgba(255,255,255,.14)}
.e-top__call svg{width:16px;height:16px;color:var(--e-green)}

/* Hero */
.e-hero{position:relative;overflow:hidden;color:#fff;padding:108px 0 64px;isolation:isolate;
  background:
    radial-gradient(700px 380px at 85% 0%,rgba(46,204,113,.22),transparent 70%),
    radial-gradient(640px 420px at 0% 100%,rgba(41,128,185,.32),transparent 70%),
    linear-gradient(160deg,var(--e-navy),var(--e-navy2))}
.e-hero::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:40px 40px;mask-image:radial-gradient(ellipse at 60% 20%,#000,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 60% 20%,#000,transparent 70%)}
.e-hero__grid{display:grid;gap:36px;align-items:start}
.e-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--e-green)}
.e-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--e-green);box-shadow:0 0 0 4px rgba(46,204,113,.2)}
.e-hero h1{font-family:Poppins,sans-serif;font-weight:700;font-size:clamp(32px,5vw,50px);line-height:1.1;letter-spacing:-.02em;margin:14px 0 16px}
.e-hero h1 em{font-style:normal;background:linear-gradient(90deg,#7CF0AE,var(--e-green));-webkit-background-clip:text;background-clip:text;color:transparent}
.e-lead{font-size:18px;color:#C9D6E2;max-width:540px;margin:0 0 26px}
.e-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:520px;margin:0 0 26px;padding:0;list-style:none}
.e-stats li{padding:14px 12px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)}
.e-stats b{display:block;font-family:Poppins,sans-serif;font-size:24px;line-height:1.1;color:#fff}
.e-stats span{font-size:13px;color:#A9BACB}
.e-checks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.e-checks li{display:flex;gap:10px;align-items:center;color:#DCE6EE;font-size:15px}
.e-checks svg{flex:none;width:20px;height:20px;padding:3px;border-radius:50%;background:rgba(46,204,113,.18);color:var(--e-green)}

/* Tarjeta del formulario */
.e-card{position:relative;background:#fff;color:var(--e-ink);border-radius:22px;padding:24px 20px;box-shadow:0 30px 70px -30px rgba(0,0,0,.65),0 0 0 1px rgba(255,255,255,.06)}
.e-card__title{font-family:Poppins,sans-serif;font-weight:700;font-size:20px;margin:0 0 2px}
.e-card__sub{margin:0 0 16px;font-size:14px;color:var(--e-muted)}
.e-progress{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 20px;padding:0;list-style:none}
.e-progress li{font-size:12.5px;font-weight:600;color:#93A3B2}
.e-progress li::before{content:"";display:block;height:5px;border-radius:5px;background:var(--e-line);margin-bottom:7px;transition:background .35s}
.e-progress li.is-done,.e-progress li.is-active{color:var(--e-ink)}
.e-progress li.is-done::before{background:var(--e-green)}
.e-progress li.is-active::before{background:linear-gradient(90deg,var(--e-green),#8BE7B3)}

.e-step{border:0;margin:0;padding:0;min-width:0}
.e-step[hidden]{display:none}
.e-step.is-entering{animation:e-in .35s ease both}
@keyframes e-in{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
.e-step legend{font-family:Poppins,sans-serif;font-weight:600;font-size:17px;padding:0;margin:0 0 14px}
.e-q{margin:0 0 16px}
.e-q__label{display:block;font-size:14px;font-weight:600;margin:0 0 8px}
.e-q__label small{font-weight:500;color:var(--e-muted)}
.e-chips{display:flex;flex-wrap:wrap;gap:8px}
.e-chip{position:relative}
.e-chip input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.e-chip span{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:9px 14px;border-radius:12px;border:1.5px solid var(--e-line);
  background:#fff;font-size:14.5px;font-weight:500;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}
.e-chip span svg{width:18px;height:18px;color:var(--e-blue)}
.e-chip input:hover+span{border-color:#B9C7D3}
.e-chip input:checked+span{border-color:var(--e-green);background:#EEFBF3;box-shadow:0 0 0 3px rgba(46,204,113,.15)}
.e-chip input:focus-visible+span{outline:3px solid #9FE3BD;outline-offset:2px}
.e-chips--grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.e-chips--grid .e-chip span{width:100%;justify-content:center;text-align:center}

.e-field{margin:0 0 14px}
.e-field label{display:block;font-size:14px;font-weight:600;margin:0 0 6px}
.e-field label small{font-weight:500;color:var(--e-muted)}
.e-input,.e-select{width:100%;min-height:48px;padding:11px 14px;border-radius:12px;border:1.5px solid var(--e-line);background:#fff;
  font:inherit;font-size:16px;color:var(--e-ink);transition:border-color .15s,box-shadow .15s}
.e-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 7.5l5 5 5-5' fill='none' stroke='%235B6B7B' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:18px;padding-right:40px}
.e-input:focus,.e-select:focus{outline:none;border-color:var(--e-blue);box-shadow:0 0 0 3px rgba(41,128,185,.15)}
.e-row{display:grid;gap:0 12px}

/* Zona de carga */
.e-drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;
  padding:26px 16px;border-radius:16px;border:2px dashed #C6D3DE;background:var(--e-soft);cursor:pointer;transition:border-color .2s,background .2s}
.e-drop:hover,.e-drop.is-over{border-color:var(--e-green);background:#EEFBF3}
.e-drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.e-drop__icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#fff;color:var(--e-green);box-shadow:0 6px 16px -8px rgba(44,62,80,.35)}
.e-drop__icon svg{width:24px;height:24px}
.e-drop b{font-size:15px}
.e-drop span{font-size:13px;color:var(--e-muted)}
.e-files{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.e-files li{display:flex;align-items:center;gap:10px;padding:9px 10px 9px 12px;border-radius:12px;border:1px solid var(--e-line);background:#fff;font-size:14px;animation:e-in .25s ease both}
.e-files li svg{width:20px;height:20px;color:var(--e-blue);flex:none}
.e-files .e-files__name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.e-files .e-files__size{color:var(--e-muted);font-size:12.5px}
.e-files button{border:0;background:var(--e-soft);width:30px;height:30px;border-radius:9px;cursor:pointer;color:var(--e-muted);font-size:18px;line-height:1}
.e-files button:hover{background:#FDECEA;color:var(--e-err)}
.e-later{display:flex;align-items:flex-start;gap:10px;margin:12px 0 4px;font-size:14px;cursor:pointer}
.e-later input,.e-consent input{width:20px;height:20px;margin:1px 0 0;accent-color:var(--e-green);flex:none}
.e-tip{display:flex;gap:8px;margin:12px 0 14px;padding:10px 12px;border-radius:12px;background:#EEF5FB;color:#24557A;font-size:13.5px}
.e-tip svg{flex:none;width:18px;height:18px;margin-top:2px}

.e-consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--e-muted);margin:4px 0 16px}
.e-consent a{color:var(--e-blue)}
.e-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

.e-error{display:none;margin:-6px 0 12px;font-size:13px;font-weight:500;color:var(--e-err)}
.is-invalid .e-error{display:block}
.is-invalid .e-input{border-color:var(--e-err)}
.is-invalid .e-chip span{border-color:#E6B0AA}
.e-alert{display:none;margin:0 0 12px;padding:10px 12px;border-radius:12px;background:#FDECEA;color:#922B21;font-size:14px}
.e-alert.is-visible{display:block}

.e-nav{display:flex;gap:10px;align-items:center;margin-top:6px}
.e-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 20px;border-radius:14px;border:0;cursor:pointer;
  font-family:Poppins,sans-serif;font-weight:600;font-size:15.5px;text-decoration:none;transition:transform .2s,box-shadow .2s,background .2s}
.e-btn svg{width:18px;height:18px}
.e-btn--next{flex:1;color:#fff;background:linear-gradient(135deg,var(--e-green),var(--e-green-d));box-shadow:0 12px 24px -12px rgba(46,204,113,.95)}
.e-btn--next:hover{transform:translateY(-2px)}
.e-btn--next[disabled]{opacity:.7;cursor:progress;transform:none}
.e-btn--back{color:var(--e-ink);background:var(--e-soft)}
.e-btn--back:hover{background:#E9EEF3}
.e-btn:focus-visible{outline:3px solid #9FE3BD;outline-offset:2px}
.e-spin{width:18px;height:18px;border-radius:50%;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;animation:e-spin .8s linear infinite}
@keyframes e-spin{to{transform:rotate(360deg)}}
.e-secure{display:flex;align-items:center;justify-content:center;gap:6px;margin:12px 0 0;font-size:12.5px;color:var(--e-muted)}
.e-secure svg{width:14px;height:14px}

.e-done{text-align:center;padding:16px 4px 6px}
.e-done[hidden]{display:none}
.e-done__icon{width:72px;height:72px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:#EEFBF3;color:var(--e-green);animation:e-pop .5s cubic-bezier(.2,1.4,.4,1) both}
.e-done__icon svg{width:36px;height:36px}
@keyframes e-pop{from{transform:scale(.4);opacity:0}}
.e-done h2{font-family:Poppins,sans-serif;font-size:22px;margin:0 0 6px}
.e-done p{color:var(--e-muted);margin:0 0 18px}

/* Secciones */
.e-section{padding:64px 0}
.e-section--soft{background:var(--e-soft)}
.e-h2{font-family:Poppins,sans-serif;font-weight:700;font-size:clamp(24px,3.4vw,32px);line-height:1.2;letter-spacing:-.01em;margin:0 0 10px;text-align:center}
.e-intro{max-width:620px;margin:0 auto 34px;text-align:center;color:var(--e-muted)}
.e-steps{display:grid;gap:16px;list-style:none;margin:0;padding:0;counter-reset:s}
.e-steps li{position:relative;padding:22px 20px;border-radius:var(--e-radius);background:#fff;border:1px solid var(--e-line)}
.e-steps li::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:12px;margin-bottom:12px;
  font-family:Poppins,sans-serif;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--e-blue),#1F6696)}
.e-steps h3,.e-feat h3{font-family:Poppins,sans-serif;font-size:17px;margin:0 0 4px}
.e-steps p,.e-feat p{margin:0;font-size:15px;color:var(--e-muted)}
.e-feats{display:grid;gap:14px;list-style:none;margin:0;padding:0}
.e-feat{display:flex;gap:14px;padding:18px;border-radius:var(--e-radius);background:#fff;border:1px solid var(--e-line)}
.e-feat__icon{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#EEFBF3;color:var(--e-green-d)}
.e-feat__icon svg{width:22px;height:22px}

.e-band{position:relative;overflow:hidden;color:#fff;border-radius:24px;padding:34px 24px;text-align:center;
  background:radial-gradient(500px 240px at 100% 0%,rgba(46,204,113,.25),transparent 70%),linear-gradient(150deg,var(--e-navy),var(--e-navy2))}
.e-band h2{font-family:Poppins,sans-serif;font-size:clamp(22px,3vw,28px);margin:0 0 8px}
.e-band p{color:#C9D6E2;margin:0 0 20px}
.e-band__btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.e-btn--light{color:var(--e-ink);background:#fff}
.e-btn--ghost{color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25)}
.e-btn--ghost:hover{background:rgba(255,255,255,.16)}

.e-foot{padding:26px 0 90px;font-size:13px;color:var(--e-muted);text-align:center}
.e-foot a{color:var(--e-muted);margin:0 6px}

/* Botón fijo de llamada en móvil */
.e-sticky{position:fixed;left:12px;right:12px;bottom:12px;z-index:20;display:flex;gap:8px;transform:translateY(130%);transition:transform .3s ease}
.e-sticky.is-visible{transform:none}
.e-sticky .e-btn{flex:1;min-height:50px;box-shadow:0 10px 30px -10px rgba(11,24,36,.6)}
.e-sticky .e-btn--call{color:#fff;background:var(--e-ink)}

@media (min-width:720px){
  .e-card{padding:30px 28px}
  .e-row{grid-template-columns:1fr 1fr}
  .e-steps{grid-template-columns:repeat(3,1fr)}
  .e-feats{grid-template-columns:1fr 1fr}
  .e-band{padding:44px}
}
@media (min-width:980px){
  .e-hero{padding:128px 0 90px}
  .e-hero__grid{grid-template-columns:1fr 480px;gap:56px}
  .e-hero__copy{padding-top:26px}
  .e-sticky{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}