:root{
  /* Brand palette inspired by the logo */
  --gold-700:#a66a2c;   /* copper */
  --gold-600:#c4833f;
  --gold-500:#d39a56;
  --gold-300:#f0c88a;
  --silver-400:#c7ccd4;
  --silver-300:#bfc4cc;

  --ink:#eaf1ff;
  --muted:#cfd6e3;

  /* Surfaces (alternating section backgrounds) */
  --obsidian:#0b0e14;
  --midnight:#101523;
  --graphite:#141a28;
  --slate:#192030;

  --radius:18px;
  --shadow:0 18px 48px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{
  margin:0;padding:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--obsidian);color:var(--ink);
}
img{max-width:100%;display:block}
a{color:var(--gold-300);text-decoration:none}
a:hover{text-decoration:underline}

.container{width:min(1180px,92%);margin-inline:auto;padding-inline:clamp(16px,3vw,28px)}

/* HEADER: blanco para contraste */
header.site{position:sticky;top:0;z-index:50;background:#fff;color:#111;border-bottom:1px solid rgba(0,0,0,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem}
.brand img{height:46px}
.brand span{font-weight:900;letter-spacing:.08em;color:#000}
nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{padding:.5rem .85rem;border-radius:10px;color:#111;font-weight:700}
nav a:hover{background:rgba(0,0,0,.06)}

/* Generic sections with alternated backgrounds */
.section{padding: clamp(2.4rem,6vw,4rem) 0}
.sec-obsidian{background:var(--obsidian)}
.sec-midnight{background:var(--midnight)}
.sec-graphite{background:var(--graphite)}
.sec-slate{background:var(--slate)}

/* Headings & text */
h1{font-size:clamp(2rem,4vw,3rem);line-height:1.1;margin:.6rem 0 1rem}
h2{font-size:clamp(1.6rem,2.6vw,2.2rem);margin:.2rem 0 1rem}
p{color:var(--muted)}

/* HERO BANNER (full width image) */
.hero-banner{position:relative;min-height:72vh;display:grid;place-items:center;overflow:hidden}
.hero-banner::before{content:"";position:absolute;inset:0;background:var(--hero-img, url('assets/hero.jpg')) center/cover no-repeat;transform:scale(1.03)}
.hero-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.85))}
.hero-banner .inner{position:relative;z-index:1;text-align:center;padding-inline:clamp(16px,3vw,28px)}
.kicker{color:var(--silver-400);text-transform:uppercase;letter-spacing:.18em;font-weight:900;font-size:.8rem}
.badges{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}
.badge{border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:.45rem .75rem;font-weight:700;font-size:.85rem;background:rgba(255,255,255,.06)}

/* SUB-BANNERS for sections */
.banner{position:relative;min-height:46vh;display:grid;place-items:center;overflow:hidden}
.banner::before{content:"";position:absolute;inset:0;background:var(--banner-img) center/cover no-repeat;transform:scale(1.03)}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.2),rgba(0,0,0,.85))}
.banner .content{position:relative;z-index:1;text-align:center}
.banner h2{margin-bottom:.4rem}

/* Cards & grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow)}

/* Accordion (servicios) */
.accordion{display:grid;gap:.7rem}
.acc-item{border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(0,0,0,.15)}
.acc-summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:1rem;font-weight:800;color:#fff}
.acc-content{display:none;padding:0 1rem 1rem;color:var(--muted)}
.acc-item.open .acc-content{display:block}

/* Buttons */
.actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.2rem}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.2rem;border-radius:999px;border:2px solid var(--gold-300);color:#111;font-weight:900;box-shadow:var(--shadow);background:linear-gradient(135deg,var(--gold-300),var(--gold-500))}
.btn.ghost{border:2px solid var(--silver-300);background:transparent;color:#fff}

/* Contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:1.2rem}
label{font-size:.9rem;color:var(--silver-400)}
input,textarea{width:100%;padding:.85rem .95rem;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:#0e1421;color:#fff}
textarea{min-height:120px;resize:vertical}
form{display:grid;gap:.9rem;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.12);padding:1.2rem;border-radius:var(--radius)}

/* Footer */
footer{border-top:1px solid rgba(255,255,255,.08);color:#aeb3bb;padding:1.4rem 0;text-align:center}
small a{color:#aeb3bb}

/* Responsive */
@media (max-width: 980px){
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2,.contact{grid-template-columns:1fr}
}
@media (max-width: 600px){
  nav ul{gap:.6rem}
  .grid-3{grid-template-columns:1fr}
}