:root{
  --green:#56a86b;
  --green-dark:#3f8f56;
  --green-soft:#edf7ef;
  --text:#2c2c2c;
  --muted:#6b6b6b;
  --line:#e7ece8;
  --bg:#ffffff;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--green-dark);text-decoration:none}
a:hover{text-decoration:underline}
.topline{background:#f3f4f3;color:#666;font-size:13px}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.topline .wrap{padding:9px 0}
header{background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;justify-content:space-between;padding:28px 0 22px}
.logo{font-size:30px;font-weight:700;color:var(--green-dark);letter-spacing:-1px}
.logo span{display:block;font-size:13px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:3px}
nav{border-top:1px solid var(--line)}
nav .wrap{display:flex;gap:28px;align-items:center;min-height:52px;flex-wrap:wrap}
nav a{color:#333;font-size:14px;font-weight:600}
.hero{background:linear-gradient(180deg,#f6fbf7 0%,#fff 100%);padding:72px 0 62px;border-bottom:1px solid var(--line)}
.hero-inner{max-width:830px;margin:auto;text-align:center}
.eyebrow{color:var(--green-dark);font-weight:700;font-size:20px;margin-bottom:10px}
h1{font-size:42px;line-height:1.15;margin:0 0 18px}
.lead{font-size:18px;color:#555;margin:0 auto 28px;max-width:760px}
.btn{display:inline-block;background:var(--green);color:white!important;padding:13px 20px;border-radius:5px;font-weight:700}
.btn:hover{background:var(--green-dark);text-decoration:none}
.section{padding:52px 0}
.section h2{text-align:center;font-size:30px;margin:0 0 28px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:8px;padding:22px;background:#fff}
.card h3{margin:0 0 8px;font-size:19px;color:#333}
.card p{margin:0;color:#666;font-size:15px}
.card:hover{border-color:#cfe5d4;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.content{max-width:850px;margin:auto;padding:50px 0 64px}
.content h1{font-size:38px}
.note{background:var(--green-soft);border-left:4px solid var(--green);padding:16px 18px;margin:28px 0}
footer{background:#f7f8f7;border-top:1px solid var(--line);padding:30px 0;color:#666;font-size:14px}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:800px){
  .cards{grid-template-columns:1fr}
  h1,.content h1{font-size:32px}
  .brand{padding:20px 0}
  .logo{font-size:25px}
  nav .wrap{gap:16px;padding:8px 0}
  .hero{padding:48px 0}
}

.breadcrumb{font-size:13px;color:#777;margin-bottom:22px}
.breadcrumb a{color:#666}
.content h2{font-size:28px;line-height:1.25;margin:38px 0 14px}
.content h3{font-size:21px;margin:28px 0 10px}
.content p{font-size:17px;margin:0 0 18px}
.content ul{padding-left:22px;margin:0 0 24px}
.content li{margin:7px 0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn.secondary{background:#fff;color:var(--green-dark)!important;border:1px solid #bcd9c4}
.btn.secondary:hover{background:var(--green-soft)}
.factbox{border:1px solid var(--line);border-radius:8px;padding:20px 22px;margin:28px 0;background:#fbfdfb}
.factbox strong{color:var(--green-dark)}
.brand-seal{max-width:210px;width:100%;height:auto;display:block;margin:0 auto}
.seal-block{display:grid;grid-template-columns:220px 1fr;align-items:center;gap:34px;background:#f6fbf7;border:1px solid #dcecdf;border-radius:10px;padding:28px;margin:36px 0}
.archive-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}
.archive-item{border:1px solid var(--line);border-radius:8px;padding:18px;background:#fff}
.archive-item h3{margin:0 0 6px;font-size:18px}
.archive-item p{margin:0;font-size:15px;color:#666}
.home-seal{max-width:180px;width:100%;height:auto;margin:26px auto 0;display:block}
.small-muted{color:#777;font-size:14px}
@media(max-width:700px){
  .archive-list{grid-template-columns:1fr}
  .content p{font-size:16px}
  .seal-block{grid-template-columns:1fr;text-align:center}
  .seal-block .brand-seal{max-width:170px}
}

.footer-links{max-width:520px;text-align:right}
.contact-home{padding-top:10px}
.contact-panel{
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  align-items:center;
  padding:30px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--green-soft);
}
.contact-panel h2{text-align:left;margin:4px 0 10px;font-size:28px}
.contact-panel p{margin:0 0 10px}
.contact-phones{font-size:24px;font-weight:700}
.contact-phones a{white-space:nowrap}
.legal h2{font-size:25px;margin-top:34px}
.legal h3{font-size:20px;margin-top:25px}
.legal p,.legal li{font-size:16px}
.legal .legal-data{background:#f7faf7;border:1px solid var(--line);padding:18px 20px;border-radius:8px}
@media(max-width:760px){
  .contact-panel{grid-template-columns:1fr}
  .footer-links{text-align:left}
  .contact-phones{font-size:21px}
}

/* v0.6 - imágenes */
.hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 45%, rgba(255,255,255,.55) 72%, rgba(255,255,255,.28) 100%),
    url('/assets/img/home-hydropower.jpg') center 42% / cover no-repeat;
}
.hero-inner{
  width:min(var(--max),calc(100% - 40px));
  max-width:var(--max);
  margin-left:auto;
  margin-right:auto;
  text-align:left;
}
.hero-inner > h1,
.hero-inner > .lead{
  max-width:760px;
}
.hero .lead{margin-left:0}
.hero .eyebrow{text-align:left}
.hero .home-seal{margin-left:0}

.page-visual{
  margin:26px 0 34px;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#f7faf7;
}
.page-visual img{
  width:100%;
  height:auto;
  display:block;
}
.page-visual.wide img{
  aspect-ratio:16/6;
  object-fit:cover;
}
.page-visual.tall img{
  max-height:620px;
  object-fit:cover;
  object-position:center 38%;
}
.page-visual figcaption{
  padding:10px 14px;
  font-size:13px;
  color:#6b6b6b;
  background:#fbfdfb;
}
@media(max-width:800px){
  .hero{
    background:
      linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.82) 58%, rgba(255,255,255,.72) 100%),
      url('/assets/img/home-hydropower.jpg') 60% center / cover no-repeat;
  }
  .hero-inner{max-width:100%}
  .page-visual.tall img{max-height:480px}
}

/* v0.6.4 - equilibrio visual de la home */
.hero{
  background:
    linear-gradient(90deg,
      rgba(255,255,255,.92) 0%,
      rgba(255,255,255,.82) 38%,
      rgba(255,255,255,.46) 66%,
      rgba(255,255,255,.16) 100%),
    url('/assets/img/home-hydropower.jpg') center 42% / cover no-repeat;
}

.hero-inner{
  width:min(1320px,calc(100% - 80px));
  max-width:1320px;
  margin-left:auto;
  margin-right:auto;
  text-align:left;
}

.hero-inner > .eyebrow,
.hero-inner > h1,
.hero-inner > .lead,
.hero-inner > .btn{
  max-width:720px;
}

.hero-inner > h1{
  font-size:40px;
}

@media(max-width:1200px){
  .hero-inner{
    width:min(1120px,calc(100% - 50px));
  }
}

@media(max-width:800px){
  .hero{
    background:
      linear-gradient(180deg,
        rgba(255,255,255,.92) 0%,
        rgba(255,255,255,.84) 55%,
        rgba(255,255,255,.68) 100%),
      url('/assets/img/home-hydropower.jpg') 62% center / cover no-repeat;
  }
  .hero-inner{
    width:calc(100% - 34px);
  }
  .hero-inner > h1{
    font-size:32px;
  }
}

/* v0.6.5 - corrección del sello en la home */
.hero .home-seal{
  width:150px !important;
  max-width:150px !important;
  height:auto;
  margin:24px 0 0 0;
  display:block;
}
@media(max-width:800px){
  .hero .home-seal{
    width:125px !important;
    max-width:125px !important;
  }
}