/* Dr. Robert Mattatall · drmattatall.cl
   Concepto C "Diario de piel" · Instrument Serif + Work Sans
   Paleta Japandi (madera clara, lino, tinta cálida, arcilla) en estas variables: */
:root{
  --bg:#F1EBE1;
  --ink:#2C2822;
  --accent:#A9714F;
  --sand:#E2D6C3;
  --muted:#6b6459;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Work Sans',system-ui,sans-serif;font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--accent)}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}

/* ---------- barra superior ---------- */
.topbar{background:var(--ink)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0;gap:14px}
.nav .logo{display:block;line-height:0}
.nav .logo img{height:30px;width:auto;display:block}
@media(min-width:560px){.nav .logo img{height:42px}}
@media(min-width:820px){.nav .logo img{height:54px}}
.nav a.cta-mini{color:var(--sand);text-decoration:none;font-weight:500;font-size:13.5px;white-space:nowrap;border-bottom:1px solid rgba(226,214,195,.45);padding-bottom:2px}

/* ---------- hero ---------- */
.hero{padding:22px 0 36px}
.hero .foto{aspect-ratio:4/5;border-radius:6px;background:var(--sand);overflow:hidden;margin-bottom:22px}
.hero .foto img{width:100%;height:100%;object-fit:cover}
.hero h1{font-family:'Instrument Serif',serif;font-weight:400;font-size:clamp(34px,8vw,56px);line-height:1.06;margin:0 0 12px;max-width:22ch}
.hero h1 i{color:var(--accent)}
.hero p.lead{font-size:15.5px;line-height:1.7;color:var(--muted);max-width:46ch;margin:0 0 10px}
.hero p.lugares{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 22px;font-weight:500}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-size:14px;font-weight:500;padding:14px 26px;border-radius:999px}
.btn.claro{background:transparent;color:var(--ink);border:1px solid var(--ink);margin-left:8px}
@media(min-width:820px){
  .hero{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0 48px}
  .hero .foto{margin:0}
}

/* ---------- secciones ---------- */
.eyebrow{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 18px;font-weight:500}
section{padding:34px 0}
.panel-oscuro{background:var(--sand)}

/* pasos */
.step{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:16px 0;border-top:1px solid rgba(44,40,34,.14)}
.step .num{font-family:'Instrument Serif',serif;font-style:italic;font-size:26px;color:var(--accent);line-height:1;min-width:26px}
.step h3{margin:0 0 5px;font-size:16px;font-weight:600}
.step p{margin:0;font-size:14px;line-height:1.65;color:var(--muted)}
@media(min-width:820px){
  .steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
}

/* sobre mí / casos clínicos */
.sobre{display:grid;gap:24px}
.sobre .foto{aspect-ratio:4/5;border-radius:6px;overflow:hidden;background:var(--sand)}
.sobre .foto img{width:100%;height:100%;object-fit:cover}
.sobre h2{font-family:'Instrument Serif',serif;font-weight:400;font-size:clamp(26px,5.5vw,38px);line-height:1.1;margin:0 0 12px}
.sobre p{font-size:14.5px;line-height:1.7;color:var(--muted);margin:0 0 12px;max-width:52ch}
.casos-imagen{order:2}
.casos-texto{order:1}
@media(min-width:820px){
  .sobre{grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center}
  .casos-imagen{order:0}
  .casos-texto{order:0}
}

/* franja oscura de marcas */
.chips{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:13px}
.chips a{display:inline-block;color:var(--ink);text-decoration:none;font-weight:500;border:1px solid rgba(44,40,34,.22);border-radius:999px;padding:7px 14px}
.chips a:hover{background:var(--sand);border-color:var(--sand)}

/* footer / contacto */
footer{padding:38px 0 46px}
footer h2{font-family:'Instrument Serif',serif;font-weight:400;font-size:clamp(26px,6vw,40px);margin:0 0 8px}
footer p{margin:0 0 6px;font-size:14.5px;color:var(--muted)}
footer .acciones{margin:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px}
footer .btn.claro{margin-left:0}
footer .fino{font-size:12.5px;color:#8a8e94;border-top:1px solid var(--sand);padding-top:16px;margin-top:8px}

/* ---------- página de galería ---------- */
.migas{font-size:13px;color:var(--muted);padding:4px 0 0}
.migas a{color:var(--accent);text-decoration:none}
.gal-head{padding:18px 0 8px}
.gal-head h1{font-family:'Instrument Serif',serif;font-weight:400;font-size:clamp(32px,7vw,50px);line-height:1.06;margin:0 0 10px}
.gal-head .tag{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:500;margin:0 0 10px}
.gal-head p{font-size:15px;line-height:1.7;color:var(--muted);max-width:56ch;margin:0 0 18px}
.vacio{border:1px dashed var(--sand);border-radius:6px;padding:34px 22px;text-align:center;color:var(--muted);font-size:14.5px;margin:10px 0 30px}
.vacio a{color:var(--accent)}
.ver-casos{margin:0 0 30px}
.ver-casos a{color:var(--accent);text-decoration:none;font-weight:500;font-size:14.5px;border-bottom:1px solid var(--accent);padding-bottom:1px}

/* ---------- productos y tratamientos (categorías) ---------- */
.categoria h3{font-family:'Work Sans',system-ui,sans-serif;font-weight:600;font-size:16.5px;color:var(--ink);margin:0 0 12px}
.productos-grid{display:grid;gap:30px;margin-top:6px}
@media(min-width:820px){
  .productos-grid{
    grid-template-columns:1fr 1fr;
    grid-template-areas:"rellenos toxina" "piel piel";
    column-gap:44px;
    row-gap:32px;
  }
  .cat-rellenos{grid-area:rellenos}
  .cat-toxina{grid-area:toxina}
  .cat-piel{grid-area:piel}
}

/* ---------- carrusel de casos (una foto a la vez + puntitos) ---------- */
.casos-imagen{margin:6px 0 0}
.carrusel{margin:0 auto;max-width:460px}
.carrusel-viewport{position:relative;overflow:hidden;border-radius:10px;background:var(--sand);aspect-ratio:4/5}
.carrusel-track{display:flex;height:100%;transition:transform .45s ease}
.carrusel-track figure{flex:0 0 100%;height:100%;margin:0;cursor:zoom-in}
.carrusel-track img{width:100%;height:100%;object-fit:cover;display:block}
.carrusel-viewport button{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:none;background:rgba(241,235,225,.85);color:var(--ink);font-size:19px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.carrusel-viewport .c-ant{left:10px}
.carrusel-viewport .c-sig{right:10px}
.carrusel-dots{display:flex;flex-wrap:wrap;justify-content:center;align-content:flex-start;gap:7px;max-width:460px;margin:16px auto 4px;padding:0 8px}
.carrusel-dots button{width:7px;height:7px;padding:0;border-radius:50%;border:none;background:rgba(44,40,34,.25);cursor:pointer}
.carrusel-dots button.activo{background:var(--accent);width:18px;border-radius:5px}

/* ---------- botones de ícono (WhatsApp / Instagram) ---------- */
.btn-ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;text-decoration:none;vertical-align:middle}
.btn-ico svg{width:26px;height:26px;fill:#fff}
.btn-ico.wsp{background:#25D366}
.btn-ico.ig{background:radial-gradient(circle at 30% 110%,#fdf497 0%,#fd5949 45%,#d6249f 60%,#285AEB 90%)}
.btn{vertical-align:middle}

/* flotantes fijos abajo a la derecha */
.flotantes{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:40}
.flotantes .btn-ico{width:56px;height:56px;box-shadow:0 4px 14px rgba(31,33,36,.28)}
.flotantes .btn-ico svg{width:30px;height:30px}
footer{padding-bottom:110px}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(31,33,36,.94);display:none;align-items:center;justify-content:center;z-index:50;flex-direction:column;padding:20px}
.lb.abierto{display:flex}
.lb img{max-width:min(92vw,900px);max-height:78vh;object-fit:contain;border-radius:4px}
.lb figcaption{color:#d8d5d1;font-size:13.5px;margin-top:12px;text-align:center;max-width:60ch}
.lb button{position:absolute;background:none;border:none;color:#fff;font-size:34px;cursor:pointer;padding:14px;line-height:1;font-family:inherit}
.lb .cerrar{top:8px;right:10px}
.lb .ant{left:2px;top:50%;transform:translateY(-50%)}
.lb .sig{right:2px;top:50%;transform:translateY(-50%)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}