/* Clínica Dental Lúmina — hoja de estilos
   Sistema: marfil #fbf9f5 · carbón #171818 · salvia #8F9779
   Tipografía: Playfair Display (titulares) · Inter (texto) */

:root{
  --marfil:#fbf9f5; --marfil-2:#f5f3ef; --marfil-3:#efeeea;
  --carbon:#171818; --carbon-2:#2c2c2c;
  --texto:#1b1c1a; --texto-suave:#444748;
  --salvia:#8F9779; --linea:#c4c7c7; --linea-suave:#e3e2de;
  --error:#ba1a1a; --ok:#3a6b46;
  --max:1200px; --mx:64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--marfil); color:var(--texto);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"Playfair Display",Georgia,"Times New Roman",serif;color:var(--carbon);line-height:1.15;font-weight:600}
h1{font-size:clamp(2.5rem,6vw,4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,4vw,2.5rem);font-weight:500}
h3{font-size:1.55rem;font-weight:500}
h4{font-size:1.05rem}
p{max-width:60ch}
a{color:inherit}
img{max-width:100%;display:block}
.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--salvia)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--mx)}
.section{padding:96px 0;border-top:1px solid var(--linea-suave)}
.section:first-of-type{border-top:0}
section[id],main>[id]{scroll-margin-top:96px}

/* botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  padding:16px 32px;border:1px solid var(--carbon);cursor:pointer;
  text-decoration:none;transition:background .2s,color .2s;background:var(--carbon-2);color:#fff;
}
.btn:hover{background:var(--carbon)}
.btn--ghost{background:transparent;color:var(--carbon)}
.btn--ghost:hover{background:var(--linea-suave)}
.btn--block{width:100%}

/* header */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:50;background:var(--marfil);border-bottom:1px solid var(--linea-suave)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{font-family:"Playfair Display",serif;font-size:1.6rem;letter-spacing:.22em;font-weight:500;text-decoration:none;color:var(--carbon)}
.nav{display:flex;gap:32px}
.nav a{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--texto-suave);text-decoration:none;padding:4px 0;transition:color .2s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--carbon)}
.header-cta{display:flex;align-items:center;gap:20px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;line-height:1;color:var(--carbon)}
main{padding-top:80px}

/* hero */
.hero{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;max-width:var(--max);margin:0 auto;padding:64px var(--mx) 96px}
.hero p{font-size:1.125rem;color:var(--texto-suave);margin:24px 0 36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-img{height:520px;border-bottom-left-radius:100px;overflow:hidden}
.hero-img img{width:100%;height:100%;object-fit:cover}

/* tratamientos */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:48px}
.card-trat{position:relative;height:400px;border:1px solid var(--linea-suave);overflow:hidden}
.card-trat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s}
.card-trat:hover img{transform:scale(1.05)}
.card-trat .fill{position:absolute;inset:0;background:var(--marfil-3);display:flex;align-items:center;justify-content:center;font-family:"Playfair Display",serif;font-size:2rem;color:var(--carbon)}
.card-trat .cap{position:absolute;left:0;bottom:0;padding:32px;display:flex;flex-direction:column;align-items:flex-start;gap:12px;background:linear-gradient(to top,rgba(251,249,245,.92),rgba(251,249,245,0))}
.tag{background:rgba(143,151,121,.12);color:var(--salvia);font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 12px}
.lead{max-width:44ch;color:var(--texto-suave)}

/* método */
.metodo{background:var(--marfil-3)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.step{background:var(--marfil);border:1px solid var(--linea-suave);padding:32px;text-align:center}
.step .n{width:48px;height:48px;border-radius:999px;background:var(--carbon-2);color:#fff;display:flex;align-items:center;justify-content:center;font-family:"Playfair Display",serif;font-size:1.3rem;margin:0 auto 20px}
.step h4{text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;margin-bottom:10px}
.step p{font-size:.9rem;color:var(--texto-suave);margin:0 auto}

/* contacto */
.contacto-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:56px;margin-top:16px}
.datos h4{text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;color:var(--texto-suave);margin-bottom:6px}
.datos>div{margin-bottom:24px}
.datos a{color:var(--carbon);text-decoration:none}
.datos a:hover{text-decoration:underline}
form{display:grid;gap:16px}
.field{display:grid;gap:6px}
label{font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--texto-suave)}
input,select,textarea{font:inherit;padding:12px 14px;border:1px solid var(--linea);background:#fff;color:var(--texto);border-radius:0}
input:focus,select:focus,textarea:focus{outline:2px solid var(--carbon);outline-offset:1px;border-color:var(--carbon)}
.consent{display:block;position:relative;padding-left:28px;font-size:.82rem;color:var(--texto-suave);text-transform:none;letter-spacing:0;font-weight:400}
.consent input{position:absolute;left:0;top:2px;margin:0}
.form-msg{padding:12px 14px;font-size:.9rem;display:none}
.form-msg.ok{display:block;background:rgba(58,107,70,.1);color:var(--ok)}
.form-msg.err{display:block;background:rgba(186,26,26,.08);color:var(--error)}
.hp{position:absolute;left:-9999px}
.map{border:1px solid var(--linea-suave);height:320px;overflow:hidden;margin-top:16px}
.map img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(.8) brightness(1.08)}

/* footer */
.site-footer{background:var(--marfil-3);border-top:1px solid var(--linea-suave);padding:64px 0}
.site-footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.site-footer .brand{display:block;margin-bottom:12px}
.site-footer p{font-size:.85rem;color:var(--texto-suave)}
.site-footer a{display:block;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--texto-suave);text-decoration:none;padding:6px 0}
.site-footer a:hover{color:var(--carbon)}

/* barra móvil */
.mobile-bar{display:none}

/* cookies */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--carbon);color:#fff;padding:20px var(--mx);display:none;gap:16px;align-items:center;flex-wrap:wrap;justify-content:center}
.cookie.show{display:flex}
.cookie p{font-size:.85rem;max-width:none;color:#e7e6e2}
.cookie a{color:#fff;text-decoration:underline}
.cookie .btn{padding:10px 22px}
.cookie .btn--ghost{color:#fff;border-color:#fff}
.cookie .btn--ghost:hover{background:rgba(255,255,255,.12)}

/* legal */
.legal{max-width:760px;margin:0 auto;padding:136px var(--mx) 96px}
.legal h1{font-size:2.4rem;margin-bottom:8px}
.legal h2{font-size:1.4rem;margin:36px 0 10px}
.legal p,.legal li{color:var(--texto-suave);font-size:.95rem;max-width:none}
.legal ul{margin:10px 0 10px 22px}
.legal .updated{font-size:.8rem;color:var(--texto-suave);margin-bottom:24px}
.legal a{color:var(--carbon)}

@media (max-width:900px){
  :root{--mx:20px}
  .nav,.header-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav.open{display:flex;position:absolute;top:80px;left:0;width:100%;flex-direction:column;background:var(--marfil);border-bottom:1px solid var(--linea-suave);padding:8px 20px 20px;gap:4px}
  .nav.open a{padding:12px 0;font-size:.9rem}
  .hero{grid-template-columns:1fr;padding:32px 20px 40px}
  .hero-img{height:300px;border-bottom-left-radius:60px;order:-1}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .contacto-grid{grid-template-columns:1fr;gap:32px}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
  main{padding-bottom:64px}
  .mobile-bar{display:flex;position:fixed;bottom:0;left:0;width:100%;z-index:55;background:var(--carbon);height:60px}
  .mobile-bar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#fff;text-decoration:none;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
  .mobile-bar a+a{border-left:1px solid rgba(255,255,255,.15)}
  .cookie{padding:16px 20px}
}
@media (max-width:560px){ .steps{grid-template-columns:1fr} .site-footer .wrap{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}