:root{
  --bg:#f7f9f8;
  --card:#ffffff;
  --primary:#2f7d6a;
  --secondary:#5fb3a2;
  --accent:#d1ebe5;
  --text:#1f2933;
  --muted:#4b5563;
  --border:rgba(0,0,0,.08);
  --max:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;
  line-height:1.5;
}

a{color:inherit;text-decoration:none}

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
}

/* ============================= */
/* HEADER */
/* ============================= */
header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#ffffff;
  border-bottom:1px solid var(--border);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 0;
  gap:12px;
  flex-wrap:wrap; /* evita cortes */
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:220px;
}

.brand img{width:40px;height:40px}
.brand strong{display:block;font-size:14px;color:var(--text)}
.brand span{display:block;font-size:12px;color:var(--muted)}

nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.navlink{
  padding:8px 12px;
  border:1px solid rgba(0,0,0,.10);
  border-radius:999px;
  color:#374151;
  background:#ffffff;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}

.navlink:hover{
  transform:translateY(-1px);
  border-color:rgba(47,125,106,.35);
  background:rgba(47,125,106,.06);
}

.navlink.active{
  border-color:rgba(47,125,106,.45);
  background:rgba(47,125,106,.10);
  color:var(--text);
}

#ctaWhatsappTop{
  margin-left:auto;
  white-space:nowrap;
}

/* ============================= */
/* BOTONES */
/* ============================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  border:1px solid rgba(0,0,0,.06);
  box-shadow:0 8px 18px rgba(47,125,106,.18);
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
}

.btn.secondary{
  background:var(--secondary);
  box-shadow:0 8px 18px rgba(95,179,162,.18);
}

.btn:hover{
  transform:translateY(-1px);
  filter:saturate(1.05);
}

/* ============================= */
/* LAYOUT / SECCIONES */
/* ============================= */
section{padding:28px 0}

.card{
  background:var(--card);
  color:var(--text);
  border-radius:18px;
  border:1px solid var(--border);
  box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.card{transition:transform .18s ease, box-shadow .18s ease}
@media (hover:hover){
  .card:hover{transform:translateY(-2px); box-shadow:0 14px 34px rgba(0,0,0,.10)}
}

.item{padding:16px}

h1{margin:0 0 10px;font-weight:750;letter-spacing:-.01em}
h2{margin:0 0 10px;font-size:20px}
.lead{color:var(--muted); margin:0 0 14px}

.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

/* Galería */
.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:10px;
}

.ph{
  grid-column:span 4;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#fff;
}

.ph.big{grid-column:span 8}

.ph img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* Footer */
footer{
  padding:26px 0;
  text-align:center;
  font-size:12px;
  color:var(--muted);
}

/* ============================= */
/* PAGE HERO (dinámica suave) */
/* ============================= */
.page-hero{
  border-radius:18px;
  padding:18px;
  margin:12px 0 18px;
  border:1px solid rgba(47,125,106,.18);
  background:linear-gradient(90deg, rgba(47,125,106,.10), rgba(95,179,162,.08));
}

.page-hero .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:#2f7d6a;
  font-weight:800;
  letter-spacing:.02em;
  background:rgba(47,125,106,.08);
  border:1px solid rgba(47,125,106,.18);
  padding:6px 10px;
  border-radius:999px;
}

.page-hero h1{margin:10px 0 6px}
.page-hero p{margin:0;color:var(--muted);max-width:75ch}

hr.soft{
  border:none;
  height:1px;
  background:rgba(0,0,0,.08);
  margin:18px 0;
}

/* Acento por página */
body[data-page="home"] .page-hero{background:linear-gradient(90deg, rgba(47,125,106,.12), rgba(95,179,162,.08))}
body[data-page="services"] .page-hero{background:linear-gradient(90deg, rgba(95,179,162,.12), rgba(47,125,106,.06))}
body[data-page="blog"] .page-hero{background:linear-gradient(90deg, rgba(59,130,246,.10), rgba(47,125,106,.06))}
body[data-page="contact"] .page-hero{background:linear-gradient(90deg, rgba(245,158,11,.12), rgba(47,125,106,.06))}

/* ============================= */
/* RESPONSIVE */
/* ============================= */
@media (max-width:900px){
  .grid{grid-template-columns:1fr}
  .ph{grid-column:span 6}
  .ph.big{grid-column:span 12}
  #ctaWhatsappTop{width:100%}
}

@media (max-width:768px){
  body{font-size:15px}
  .wrap{padding:0 12px}
  section{padding:16px 0}

  .topbar{flex-direction:column; align-items:flex-start}
  nav{width:100%; gap:6px}
  .navlink{padding:6px 10px; font-size:13px}

  .btn{width:100%; padding:12px; font-size:15px}

  h1{font-size:26px; line-height:1.2}
  h2{font-size:22px}

  .page-hero{padding:14px}
}

@media (max-width:480px){
  h1{font-size:22px}
  .gallery{grid-template-columns:1fr}
  .ph, .ph.big{grid-column:span 12}
}