/* ==========================================================================
   Descarbonízate — hoja de estilos corporativa
   Identidad visual: Enertria Solutions (navy / verde / teal, Poppins)
   ========================================================================== */

:root{
  --navy:#15324a;
  --navy-700:#0f2638;
  --navy-50:#eef3f7;
  --green:#34b14a;
  --green-600:#2a9b3f;
  --teal:#1f9ea1;
  --teal-600:#178285;
  --ink:#1d2b36;
  --muted:#5b6b78;
  --line:#e3e9ee;
  --bg:#ffffff;
  --bg-soft:#f5f8fa;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(21,50,74,.06);
  --shadow:0 14px 40px rgba(21,50,74,.10);
  --max:1180px;
  --grad:linear-gradient(135deg,#34b14a 0%,#1f9ea1 100%);
  --grad-navy:linear-gradient(135deg,#15324a 0%,#0f2638 100%);
  --font:'Poppins','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{color:var(--navy);line-height:1.18;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h3{font-size:1.25rem}
h4{font-size:1rem}
p{color:var(--muted)}
p + p{margin-top:14px}
strong{color:var(--ink);font-weight:600}

section{padding:84px 0}
.bg-soft{background:var(--bg-soft)}

.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.eyebrow-light{color:#5fd07a}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.12rem;color:var(--muted);margin-top:14px}
.section-foot{margin-top:34px;text-align:center;color:var(--muted)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:.97rem;padding:14px 26px;border-radius:999px;transition:.22s;cursor:pointer;border:0;font-family:var(--font)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(31,158,161,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(31,158,161,.36)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-block{width:100%;margin-top:auto}
.arrow{transition:transform .22s}
.btn:hover .arrow,.card-link:hover .arrow{transform:translateX(4px)}

/* ---------- Cabecera ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center}
.logo{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links > a{font-size:.95rem;font-weight:500;color:var(--navy);padding:4px 0;transition:.2s}
.nav-links > a:hover{color:var(--teal)}
.nav-links > a.active{color:var(--teal);border-bottom:2px solid var(--teal)}
.nav-links > a.btn{color:#fff;border:0;padding:12px 22px}
.nav-links > a.btn.active{border-bottom:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);border-radius:2px}

/* ---------- Hero ---------- */
.hero{background:var(--grad-navy);color:#fff;padding:110px 0 96px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;right:-160px;top:-120px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(52,177,74,.30) 0%,rgba(31,158,161,.06) 60%,transparent 70%)}
.hero .container{position:relative;z-index:1;max-width:900px}
.hero h1{color:#fff;max-width:820px}
.hero-lead{color:#c9d8e2;font-size:1.15rem;max-width:640px;margin-top:20px}
.hero-lead strong{color:#fff}
.hero-note{margin-top:34px;font-size:.92rem;color:#9fb3c2}
.hero-note strong{color:#5fd07a}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.chip{font-size:.9rem;font-weight:600;padding:9px 20px;border-radius:999px;color:#fff}
.chip-navy{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.28)}
.chip-green{background:var(--green)}
.chip-teal{background:var(--teal)}

.page-hero{background:var(--grad-navy);color:#fff;padding:92px 0 72px}
.page-hero h1{color:#fff}
.page-hero .lead{color:#c9d8e2;max-width:680px}

/* ---------- Rejillas ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch}

/* ---------- Tarjetas ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:.24s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card::before{content:'';position:absolute;inset:0 0 auto 0;height:5px}
.card-navy::before{background:var(--navy)}
.card-green::before{background:var(--green)}
.card-teal::before{background:var(--teal)}
.card-tag{display:block;font-size:.72rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.card-ico{width:52px;height:52px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff}
.card-ico svg{width:26px;height:26px}
.ico-navy{background:var(--navy)}
.ico-green{background:var(--green)}
.ico-teal{background:var(--teal)}
.card h3{margin-bottom:10px}
.card p{font-size:.98rem}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-weight:600;font-size:.95rem;color:var(--teal)}
.card-link:hover{color:var(--teal-600)}

/* ---------- Listas de características ---------- */
.feature-list{display:grid;gap:26px}
.feature-list.feature-2col{grid-template-columns:repeat(2,1fr);gap:32px 48px}
.feature-list li{display:flex;gap:16px;align-items:flex-start}
.feature-list .ico{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--navy-50);color:var(--teal);display:inline-flex;align-items:center;justify-content:center}
.feature-list .ico svg{width:22px;height:22px}
.feature-list h3{font-size:1.05rem;margin-bottom:4px}
.feature-list p{font-size:.96rem}

/* ---------- Pasos numerados ---------- */
.steps{display:grid;gap:14px}
.steps li{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:.22s}
.steps li:hover{transform:translateX(4px);border-color:rgba(31,158,161,.45)}
.steps .num{font-weight:700;font-size:1.05rem;color:var(--teal);flex:0 0 32px}
.steps h3{font-size:1.05rem;margin-bottom:2px}
.steps p{font-size:.94rem}

/* ---------- Planes ---------- */
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;position:relative;transition:.24s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan-name{font-size:.76rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--teal)}
.plan-price{font-size:2rem;font-weight:700;color:var(--navy);margin:8px 0 12px;letter-spacing:-.02em}
.plan-price small{font-size:.85rem;font-weight:500;color:var(--muted)}
.plan > p{font-size:.94rem}
.plan-featured{border-color:var(--green);box-shadow:0 18px 46px rgba(21,50,74,.16)}
.plan-badge{position:absolute;top:-13px;left:24px;background:var(--grad);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:999px}
.ticks{margin:20px 0 26px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;font-size:.93rem;color:var(--muted)}
.ticks li::before{content:'';position:absolute;left:0;top:.45em;width:13px;height:7px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--teal);font-size:1.4rem;font-weight:400;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq details p{margin-top:12px;font-size:.96rem}

/* ---------- Franja CTA ---------- */
.cta-section{padding:0 0 84px}
.cta-band{background:var(--grad);border-radius:24px;padding:64px 32px;text-align:center;color:#fff}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:600px;margin:16px auto 30px}

/* ---------- Formulario ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:.86rem;font-weight:600;color:var(--navy)}
.field input,.field textarea,.field select{font-family:var(--font);font-size:.95rem;color:var(--ink);padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(31,158,161,.12)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px}
.contact-aside{display:grid;gap:14px;align-content:start}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm)}
.contact-item h4{margin-bottom:6px}
.contact-item p{font-size:.94rem}

/* ---------- Bloque de solución ---------- */
.solution{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;padding:56px 0;border-top:1px solid var(--line)}
.solution:first-of-type{border-top:0;padding-top:0}
.pill-list{display:grid;gap:12px;margin-top:22px}
.pill-list li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:.94rem;color:var(--muted);box-shadow:var(--shadow-sm)}
.quote{border-left:3px solid var(--green);padding-left:18px;font-size:1.05rem;color:var(--navy);font-weight:500;font-style:italic;margin:8px 0 22px}

/* ---------- Cifras ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:2rem;color:var(--navy);letter-spacing:-.02em;line-height:1.1}
.stat span{font-size:.9rem;color:var(--muted)}

/* ---------- Pie ---------- */
.site-footer{background:var(--navy-700);color:#c9d8e2;padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .logo{height:44px;margin-bottom:16px}
.footer-brand p{color:#9fb3c2;font-size:.95rem;max-width:320px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:6px}
.footer-col a,.footer-col span{font-size:.93rem;color:#9fb3c2;transition:.2s}
.footer-col a:hover{color:var(--green)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;font-size:.85rem;color:#7f95a6}
.footer-tags{color:#6b8496}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 22px;display:none;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links > a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links > a.active{border-bottom:1px solid var(--line)}
  .nav-links > a.btn{margin-top:14px;border-bottom:0}
  .split{grid-template-columns:1fr;gap:40px}
  .grid-3,.grid-4,.stats{grid-template-columns:repeat(2,1fr)}
  .feature-list.feature-2col{grid-template-columns:1fr}
  .solution{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  section{padding:60px 0}
  .hero{padding:80px 0 70px}
  .grid-2,.grid-3,.grid-4,.stats,.form-grid{grid-template-columns:1fr}
  .cta-band{padding:48px 22px}
  .footer-top{grid-template-columns:1fr}
  .form-card{padding:24px}
}


/* ================= Ecosistema Enertria - bloque cross-marca (v1 2026-08-12) ================= */
.eco{background:var(--bg-soft);border-top:1px solid var(--line)}
.eco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.eco-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.eco-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdae3}
.eco-card .eco-role{display:block;font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--teal-600);margin:0 0 8px}
.eco-card .eco-name{font-family:var(--font);font-weight:700;font-size:1.12rem;line-height:1.25;color:var(--navy);margin:0 0 8px}
.eco-card .eco-name span{color:var(--muted);font-weight:500}
.eco-card>p{color:var(--muted);font-size:.94rem;line-height:1.6;margin:0 0 14px}
.eco-card ul{list-style:none;padding:0;margin:0 0 20px}
.eco-card ul li{position:relative;padding-left:18px;font-size:.9rem;line-height:1.5;color:var(--ink);margin-bottom:7px}
.eco-card ul li:before{content:'';position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.eco-card .eco-go{margin-top:auto;align-self:flex-start;font-weight:600;font-size:.92rem;color:var(--green-600);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease}
.eco-card .eco-go:hover{border-bottom-color:var(--green-600)}
.eco-card.is-here{border-color:var(--green);background:linear-gradient(180deg,#f3fbf5 0%,#fff 55%)}
.eco-here{position:absolute;top:16px;right:16px;background:var(--grad);color:#fff;font-size:.63rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.eco-flow{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-top:26px;padding:18px 20px;background:#fff;border:1px dashed #cfdae3;border-radius:var(--radius);text-align:center}
.eco-flow span{font-size:.88rem;color:var(--muted);line-height:1.5}
.eco-flow b{color:var(--navy);font-weight:600}
.eco-flow i{color:var(--teal-600);font-style:normal;font-weight:700}
.eco-band{background:var(--grad-navy);color:#fff;border-radius:var(--radius);padding:28px 30px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}
.eco-band .eco-band-txt{max-width:620px}
.eco-band h3{color:#fff;font-size:1.22rem;margin:0 0 8px;line-height:1.3}
.eco-band p{margin:0;color:#c3d2de;font-size:.94rem;line-height:1.6}
.eco-band strong{color:#fff;font-weight:600}
.eco-links{display:flex;flex-wrap:wrap;gap:10px}
.eco-links a{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#fff;text-decoration:none;font-size:.86rem;font-weight:600;padding:10px 16px;border-radius:999px;transition:background .2s ease,transform .2s ease}
.eco-links a:hover{background:rgba(255,255,255,.20);transform:translateY(-2px)}
.eco-tri{display:inline-flex;gap:3px;vertical-align:middle;margin-right:2px}
.eco-tri i{display:block;width:9px;height:3px;background:var(--green);border-radius:1px}
@media(max-width:900px){.eco-grid{grid-template-columns:1fr}.eco-band{padding:24px 22px}}

/* tabla comparativa del ecosistema */
.eco-tbl-wrap{overflow-x:auto;margin-top:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.eco-tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.eco-tbl th,.eco-tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5}
.eco-tbl th{background:var(--navy-50);color:var(--navy);font-weight:700;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}
.eco-tbl tr:last-child td{border-bottom:0}
.eco-tbl td:nth-child(2){color:var(--navy);font-weight:600;white-space:nowrap}
.eco-tbl td a{color:var(--green-600);font-weight:600;text-decoration:none}
.eco-tbl td a:hover{text-decoration:underline}
.eco-tbl tbody tr:hover td{background:#fafcfd}

/* pie con columna de Ecosistema (5 columnas en escritorio) */
.footer-top{grid-template-columns:1.45fr .95fr .95fr .9fr 1.05fr;gap:30px}
@media(max-width:960px){.footer-top{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:640px){.footer-top{grid-template-columns:1fr}}

/* texto destacado dentro de heroes oscuros */
.hero strong,.page-hero strong{color:#fff}

/* ajuste de ritmo vertical del bloque ecosistema */
.eco>.container>.eyebrow{display:block;margin-bottom:10px}
.eco>.container>h2{margin:0 0 14px}
.eco>.container>.lead{max-width:860px;margin:0}