/* Cabecera + menú desplegable */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;
  align-items:center;justify-content:space-between;padding:16px clamp(18px,5vw,40px);
  backdrop-filter:blur(10px);background:color-mix(in srgb,var(--bg) 78%,transparent)}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600}
.menu-btn{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn span{width:26px;height:2px;background:var(--ink);transition:.3s}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.dropdown{position:fixed;top:0;right:0;height:100vh;width:min(360px,86vw);
  background:var(--surface);box-shadow:var(--shadow);transform:translateX(100%);
  transition:transform .4s cubic-bezier(.4,0,.2,1);z-index:60;padding:90px 30px;overflow:auto}
.dropdown.open{transform:none}
.dropdown a{display:block;font-family:var(--serif);font-size:1.5rem;padding:14px 0;
  border-bottom:1px solid var(--line);text-decoration:none;transition:color .2s,padding .2s}
.dropdown a:hover{color:var(--gold-deep);padding-left:8px}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;visibility:hidden;
  transition:.3s;z-index:55}
.backdrop.open{opacity:1;visibility:visible}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  justify-content:center;text-align:center;overflow:hidden}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,color-mix(in srgb,var(--bg) 20%,transparent),var(--bg))}
.hero-inner{max-width:820px}
.hero p.sub{font-size:clamp(1.1rem,2.4vw,1.5rem);color:var(--muted);margin:.6em 0 1.6em}

/* Productos */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.card .pad{padding:22px}
.card h3{margin:0 0 .3em;font-size:1.5rem}
.card .benefits{color:var(--sage);font-weight:600;font-size:.95rem;margin-top:10px}

/* Antes / después */
.ba{position:relative;max-width:720px;margin:0 auto;border-radius:var(--radius);
  overflow:hidden;user-select:none;aspect-ratio:3/2}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after{clip-path:inset(0 0 0 var(--split,50%))}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--split,50%);width:3px;
  background:#fff;box-shadow:0 0 0 2px rgba(0,0,0,.2);cursor:ew-resize}
.ba .handle::after{content:"⟺";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:#fff;color:#333;border-radius:999px;width:40px;height:40px;display:grid;place-items:center}

/* Testimonios */
.carousel{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
.testi{flex:0 0 min(420px,85vw);scroll-snap-align:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.testi .who{display:flex;align-items:center;gap:12px;margin-top:16px}
.testi img{width:52px;height:52px;border-radius:999px;object-fit:cover}
.stars{color:var(--gold)}

/* Contadores */
.counters{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:30px;text-align:center}
.counter .num{font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.6rem);color:var(--gold-deep)}

/* Botón flotante */
.fab{position:fixed;right:22px;bottom:22px;z-index:40;width:60px;height:60px;border-radius:999px;
  background:#25d366;color:#fff;display:grid;place-items:center;font-size:28px;text-decoration:none;
  box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .2s}
.fab:hover{transform:scale(1.08)}
@media (max-width:600px){body{font-size:16px}}