/* ============================================================
   SOLENA — Sitio web
   Hoja de estilos principal
   Marca: verde #406633 · verde vivo #1FA85C · amarillo #E7C337
   Tipografía: Sora (títulos) · Hanken Grotesk (texto) · JetBrains Mono (datos)
   ============================================================ */

/* -------- Tokens -------- */
:root{
  --green:#406633;
  --green-deep:#2C4723;
  --live:#1FA85C;
  --live-dark:#178A4C;
  --yellow:#E7C337;
  --yellow-dark:#9C7A08;

  --ink:#152018;
  --muted:#5E6B5E;
  --faint:#8A9683;
  --ground:#F6F8F3;
  --surface:#FFFFFF;
  --surface-2:#EDF1E9;
  --border:#E4E8DD;
  --hair:#EBEEE5;

  --f-disp:'Sora', system-ui, sans-serif;
  --f-body:'Hanken Grotesk', system-ui, sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, monospace;

  --maxw:1160px;
  --radius:14px;
  --shadow:0 1px 2px rgba(21,32,24,.05), 0 12px 40px rgba(21,32,24,.07);
  --shadow-sm:0 1px 2px rgba(21,32,24,.05), 0 4px 16px rgba(21,32,24,.05);
}

/* -------- Reset -------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body);
  background:var(--ground);
  color:var(--ink);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-disp);letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
.mono{font-family:var(--f-mono)}

/* -------- Utilidades -------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:24px}
.eyebrow{
  font-family:var(--f-mono);font-size:12px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--live-dark);
}
.section{padding-block:clamp(56px,8vw,100px)}
.section-head{max-width:60ch;margin-bottom:clamp(32px,5vw,52px)}
.section-head h2{font-size:clamp(28px,4.4vw,44px);font-weight:700;margin:12px 0 14px}
.section-head p{color:var(--muted);font-size:18px}
.center{text-align:center;margin-inline:auto}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-disp);font-weight:700;font-size:15px;letter-spacing:-.01em;
  padding:13px 24px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--live);color:#fff;box-shadow:0 6px 18px rgba(31,168,92,.28)}
.btn-primary:hover{background:#1a9652}
.btn-outline{background:transparent;color:var(--green);border-color:var(--border)}
.btn-outline:hover{border-color:var(--green);background:var(--surface)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hair);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;height:66px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-brand{display:flex;align-items:center;height:100%}
.nav-brand img{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .15s;position:relative;
}
.nav-links a:hover{color:var(--green)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(231,195,55,.22), transparent 55%),
    radial-gradient(90% 80% at 10% 110%, rgba(31,168,92,.28), transparent 60%),
    linear-gradient(160deg, var(--green-deep), var(--green));
  padding-block:clamp(64px,10vw,120px);
}
/* rayos de sol decorativos */
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle, rgba(231,195,55,.18), transparent 62%);
  pointer-events:none;
}
/* video de fondo */
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg, rgba(18,24,14,.86) 0%, rgba(44,71,35,.66) 55%, rgba(31,168,92,.34) 100%);}
.hero::before{z-index:2}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding-inline:24px;position:relative;z-index:3}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--f-mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(255,255,255,.85);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);border-radius:100px;padding:7px 15px;margin-bottom:28px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow)}
.hero h1{
  font-size:clamp(34px,6vw,64px);font-weight:800;letter-spacing:-.035em;
  max-width:16ch;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--yellow)}
.hero-lead{font-size:clamp(17px,2.2vw,21px);color:rgba(255,255,255,.86);max-width:56ch;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid rgba(255,255,255,.15);padding-top:32px;max-width:760px;
}
.stat .num{font-family:var(--f-disp);font-weight:800;font-size:clamp(26px,3.4vw,36px);letter-spacing:-.02em}
.stat .num span{font-size:.5em;font-weight:700}
.stat .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:4px}

/* ============================================================
   SERVICIOS
   ============================================================ */
.flow{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  margin-bottom:clamp(32px,5vw,48px);
}
.flow .step{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--surface-2);border:1px solid var(--border);color:var(--green);
  padding:8px 14px;border-radius:8px;
}
.flow .arrow{color:var(--faint)}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
}
.card .ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--live-dark);margin-bottom:18px;
}
.card .ico svg{width:26px;height:26px}
.card .step-n{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600}
.card h3{font-size:20px;font-weight:700;margin:6px 0 10px}
.card p{color:var(--muted);font-size:15.5px}

.modes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.mode{
  border:1px solid var(--border);border-radius:var(--radius);padding:28px;background:var(--surface);
  border-left:4px solid var(--live);
}
.mode h3{font-size:20px;font-weight:700;margin-bottom:8px}
.mode p{color:var(--muted);font-size:15.5px}
.mode .tag{
  display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--live-dark);font-weight:700;margin-bottom:12px;
}

/* ============================================================
   PARQUES / CASOS
   ============================================================ */
.parques{background:var(--surface)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.case{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);
  box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease;
}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
/* slot de foto (reemplazar por foto real) */
.case .photo{
  aspect-ratio:16/10;position:relative;display:grid;place-items:center;
  background:
    radial-gradient(circle at 70% 20%, rgba(231,195,55,.25), transparent 55%),
    linear-gradient(160deg, var(--green-deep), var(--green));
  overflow:hidden;
}
.case .photo img.sun{width:52px;height:52px;opacity:.5}
.case .photo .kw{
  position:absolute;left:16px;bottom:14px;color:#fff;
  font-family:var(--f-disp);font-weight:800;font-size:22px;letter-spacing:-.02em;
}
.case .photo .kw small{display:block;font-family:var(--f-mono);font-weight:400;font-size:10px;letter-spacing:.1em;text-transform:uppercase;opacity:.8}
.case .info{padding:18px 20px}
.case .info .loc{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.case .info h3{font-size:19px;font-weight:700;margin:4px 0 6px}
.case .info p{color:var(--muted);font-size:14.5px}
.badge-state{
  display:inline-block;font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  font-weight:700;padding:4px 9px;border-radius:6px;margin-top:12px;
}
.badge-op{background:#DCF3E6;color:var(--live-dark)}
.badge-design{background:#FBEFC0;color:var(--yellow-dark)}

.track-note{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;font-size:15px;color:var(--muted);line-height:1.6;
}
.track-note b{color:var(--ink)}
.track-note .k{flex:0 0 auto;color:var(--live-dark)}

/* ============================================================
   POR QUÉ SOLAR (beneficios)
   ============================================================ */
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit .ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--green-deep);color:var(--yellow);margin-bottom:16px;
}
.benefit .ico svg{width:24px;height:24px}
.benefit h3{font-size:18px;font-weight:700;margin-bottom:6px}
.benefit p{color:var(--muted);font-size:14.5px}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about{background:var(--green-deep);color:#fff}
.about-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(32px,6vw,72px);align-items:center}
.about h2{font-size:clamp(28px,4.2vw,42px);font-weight:700;margin-bottom:20px}
.about h2 em{font-style:normal;color:var(--yellow)}
.about p{color:rgba(255,255,255,.82);font-size:17px;margin-bottom:16px;max-width:52ch}
.about .signature{font-family:var(--f-mono);font-size:13px;color:rgba(255,255,255,.7);margin-top:24px;letter-spacing:.02em}
.about-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:18px;
}
.about-card .row{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}
.about-card .row:last-child{border-bottom:none;padding-bottom:0}
.about-card .row .v{font-family:var(--f-disp);font-weight:700;font-size:20px}
.about-card .row .l{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.6)}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px)}
.contact-info h2{font-size:clamp(26px,3.8vw,40px);font-weight:700;margin-bottom:16px}
.contact-info p{color:var(--muted);font-size:17px;margin-bottom:28px;max-width:44ch}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:center}
.contact-list .ic{width:42px;height:42px;border-radius:11px;background:var(--surface-2);color:var(--live-dark);display:grid;place-items:center;flex:0 0 auto}
.contact-list .ic svg{width:20px;height:20px}
.contact-list .t{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.contact-list .v{font-weight:600}
.form{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:clamp(24px,4vw,36px);box-shadow:var(--shadow-sm);
}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--f-body);font-size:15px;color:var(--ink);
  background:var(--ground);border:1px solid var(--border);border-radius:9px;padding:12px 14px;
  transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--live);box-shadow:0 0 0 3px rgba(31,168,92,.15);
}
.field textarea{resize:vertical;min-height:96px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#101911;color:rgba(255,255,255,.7)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:56px 24px 28px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand img{height:42px;margin-bottom:16px}
.footer-brand p{font-size:14.5px;max-width:34ch;color:rgba(255,255,255,.6)}
.footer-col h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:15px;color:rgba(255,255,255,.75)}
.footer-col a:hover{color:var(--yellow)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-family:var(--f-mono);font-size:12px;color:rgba(255,255,255,.45)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .cards-3,.benefits{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr 1fr}
  .about-inner,.contact-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px 24px}
}
@media (max-width:640px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{
    display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    gap:0;background:var(--surface);border-bottom:1px solid var(--border);padding:8px 0;
  }
  .nav.open .nav-links li{padding:0}
  .nav.open .nav-links a{display:block;padding:14px 24px}
  .cards-3,.benefits,.case-grid,.modes{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}.hero-video{display:none}}