/* ============================================================
   DR. ALEJANDRO FUENTES · drfuentes.mx · rebuild 2026 (Vector89)
   ADN recuperado del sitio original:
   salvia #919F88 · carbón #323232 · Raleway 300 UPPER tracking
   Urbanist texto · botones cuadrados salvia · fotografía B/N
   ============================================================ */

:root{
  --sage:#919F88;
  --sage-deep:#7e8c76;
  --char:#323232;
  --char-deep:#262626;
  --gray:#757575;
  --gray-2:#4F4F4F;
  --light:#F8F8F8;
  --white:#FFFFFF;
  --line:rgba(50,50,50,.12);
  --line-inv:rgba(255,255,255,.22);
  --track-lg:.42em;
  --track-md:.3em;
  --track-sm:.18em;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Urbanist',sans-serif;font-weight:400;
  color:var(--char);background:var(--white);
  line-height:1.75;font-size:1rem;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
::selection{background:var(--sage);color:#fff}

/* ---------- tipografía display ---------- */
h1,h2,h3,.display{
  font-family:'Raleway',sans-serif;font-weight:300;
  text-transform:uppercase;line-height:1.22;
  letter-spacing:var(--track-md);
}
h1{font-size:clamp(1.7rem,4.6vw,3rem);letter-spacing:var(--track-lg)}
h2{font-size:clamp(1.35rem,3vw,2rem)}
h3{font-size:1.02rem;font-weight:400;letter-spacing:var(--track-sm)}
.kicker{
  font-family:'Raleway',sans-serif;font-weight:600;font-size:.68rem;
  text-transform:uppercase;letter-spacing:var(--track-lg);
  color:var(--sage);display:block;margin-bottom:16px;
}
p{color:var(--gray-2);font-weight:400}
.muted{color:var(--gray)}
strong{font-weight:600;color:var(--char)}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:'Raleway',sans-serif;font-weight:700;font-size:.72rem;
  text-transform:uppercase;letter-spacing:.22em;
  padding:1.05em 2.1em;border-radius:2px;
  transition:background .25s,color .25s,transform .2s;
}
.btn svg{width:15px;height:15px;flex:none}
.btn-sage{background:var(--sage);color:#fff}
.btn-sage:hover{background:var(--sage-deep);transform:translateY(-2px)}
.btn-line{border:1px solid var(--char);color:var(--char)}
.btn-line:hover{background:var(--char);color:#fff}
.btn-line-inv{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-line-inv:hover{background:#fff;color:var(--char)}

/* ---------- header ---------- */
header.site{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .3s,box-shadow .3s;
  background:linear-gradient(180deg,rgba(38,38,38,.55),transparent);
}
header.site.solid{background:var(--char-deep);box-shadow:0 2px 18px rgba(0,0,0,.18)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;max-width:1240px}
header.site .logo img{height:44px;width:auto}
nav.main{display:flex;align-items:center;gap:30px}
nav.main a{
  color:#fff;font-family:'Raleway',sans-serif;font-weight:500;
  font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;
  opacity:.92;transition:opacity .2s;
}
nav.main a:hover,nav.main a[aria-current]{opacity:1}
nav.main a[aria-current]{border-bottom:1px solid var(--sage);padding-bottom:4px}
nav.main .btn{padding:.8em 1.5em}
.burger{
  display:none;background:none;border:0;cursor:pointer;
  width:40px;height:40px;position:relative;z-index:70;
}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;transition:transform .3s,opacity .3s}
@media(max-width:920px){
  nav.main{
    position:fixed;inset:0;background:var(--char-deep);
    flex-direction:column;justify-content:center;gap:34px;
    transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.2,1);
  }
  nav.main.open{transform:none}
  nav.main a{font-size:.85rem}
  .burger{display:block}
  body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.menu-open .burger span:nth-child(2){opacity:0}
  body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------- hero home ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  background:var(--char-deep);color:#fff;overflow:hidden;
}
.hero .photo{
  position:absolute;inset:0;
  background:url('/assets/img/hero-retrato.jpg') no-repeat;
  background-position:78% 18%;background-size:cover;
  filter:grayscale(1) contrast(1.02);
  opacity:.9;
}
.hero .photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(38,38,38,.92) 22%,rgba(38,38,38,.55) 55%,rgba(38,38,38,.18) 100%);
}
.hero .wrap{position:relative;z-index:2;padding-top:110px;padding-bottom:90px}
.hero .kicker{color:var(--sage)}
.hero h1{color:#fff;max-width:17ch}
.hero p.lead{margin:26px 0 38px;max-width:44ch;color:rgba(255,255,255,.85);font-weight:300;font-size:1.05rem}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap}

@media(max-width:760px){
  .hero .photo{background-position:70% 12%;opacity:.5}
  .hero .photo::after{background:linear-gradient(180deg,rgba(38,38,38,.86),rgba(38,38,38,.62))}
}

@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.hero .kicker,.hero h1,.hero p.lead,.hero .actions{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.12s}.hero p.lead{animation-delay:.24s}.hero .actions{animation-delay:.36s}

/* ---------- page hero interior ---------- */
.page-hero{
  background:var(--char-deep);color:#fff;
  padding:150px 0 64px;position:relative;overflow:hidden;
}
.page-hero .kicker{color:var(--sage)}
.page-hero h1{color:#fff}
.page-hero p.lead{margin-top:18px;max-width:60ch;color:rgba(255,255,255,.82);font-weight:300}

/* ---------- secciones ---------- */
section{padding:86px 0}
section.alt{background:var(--light)}
.sec-head{max-width:62ch;margin-bottom:52px}
.sec-head p{margin-top:16px}

/* banda credibilidad */
.cred-band{
  background:var(--sage);color:#fff;padding:34px 0;
}
.cred-band .wrap{display:flex;flex-wrap:wrap;gap:10px 48px;align-items:center;justify-content:space-between}
.cred-band .claim{
  font-family:'Raleway',sans-serif;font-weight:300;font-size:1.05rem;
  text-transform:uppercase;letter-spacing:var(--track-md);
}
.cred-band .creds{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;opacity:.92;font-weight:500}

/* doctor split */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:36px}}
.split .ph{position:relative}
.split .ph img{filter:grayscale(1);width:100%}
.split .ph::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:46%;height:46%;
  border-left:1px solid var(--sage);border-bottom:1px solid var(--sage);z-index:-1;
}
.split .banderas{width:130px;margin-top:22px;filter:grayscale(.2)}
.split p+p{margin-top:14px}
.split .btn{margin-top:30px}

/* técnicas cards */
.tec-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:760px){.tec-grid{grid-template-columns:1fr}}
.tec{
  background:var(--white);border:1px solid var(--line);
  padding:44px 40px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s, box-shadow .25s;
}
.tec:hover{border-color:var(--sage);box-shadow:0 14px 34px rgba(50,50,50,.08)}
.tec .no{font-family:'Raleway',sans-serif;font-weight:300;font-size:.8rem;letter-spacing:.3em;color:var(--sage)}
.tec h3{font-size:1.1rem}
.tec .sub{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.tec p{font-size:.95rem}
.tec a{margin-top:auto;padding-top:18px;font-family:'Raleway',sans-serif;font-weight:700;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--sage)}
.tec a:hover{color:var(--sage-deep)}

/* tratamientos filas */
.trat-list{border-top:1px solid var(--line)}
.trat-row{
  display:grid;grid-template-columns:56px 1fr 2fr;gap:28px;align-items:baseline;
  padding:30px 0;border-bottom:1px solid var(--line);
}
@media(max-width:760px){.trat-row{grid-template-columns:1fr;gap:8px;padding:24px 0}}
.trat-row .no{font-family:'Raleway',sans-serif;font-weight:300;color:var(--sage);letter-spacing:.2em}
.trat-row h3{font-size:.98rem}
.trat-row p{font-size:.95rem}

/* casos */
.caso{margin-bottom:70px}
.caso h3{margin-bottom:6px}
.caso .lugar{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gray);margin-bottom:26px}
.ba-label{
  font-family:'Raleway',sans-serif;font-weight:600;font-size:.68rem;
  letter-spacing:.3em;text-transform:uppercase;color:var(--sage);
  margin:26px 0 14px;
}
.ba-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.ba-grid img{width:100%;aspect-ratio:1/1.05;object-fit:cover;background:var(--light)}
.caso video{width:100%;max-width:760px;margin-top:10px;background:#000}
.disclaimer{font-size:.8rem;color:var(--gray);margin-top:34px;max-width:70ch}

/* faq */
.faq-group{margin-bottom:44px}
.faq-group>h3{margin-bottom:18px;color:var(--sage)}
details{
  border:1px solid var(--line);background:var(--white);
  margin-bottom:10px;padding:20px 26px;transition:border-color .25s;
}
details:hover{border-color:var(--sage)}
details summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px;align-items:center;
  font-family:'Raleway',sans-serif;font-weight:500;font-size:.92rem;letter-spacing:.04em;color:var(--char);
}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-weight:300;font-size:1.4rem;color:var(--sage);transition:transform .25s;flex:none}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:14px;font-size:.95rem}

/* contacto */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.c-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.c-item svg{width:20px;height:20px;stroke:var(--sage);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none;margin-top:4px}
.c-item .t strong{display:block;font-family:'Raleway',sans-serif;font-weight:500;letter-spacing:.08em;text-transform:uppercase;font-size:.82rem}
.c-item .t span{font-size:.92rem;color:var(--gray-2)}
.map{border:1px solid var(--line);width:100%;aspect-ratio:4/3;filter:grayscale(1)}

/* cta band */
.cta-band{background:var(--char-deep);color:#fff;text-align:center;padding:90px 0}
.cta-band h2{color:#fff;max-width:26ch;margin:0 auto 14px}
.cta-band p{color:rgba(255,255,255,.75);font-weight:300;max-width:52ch;margin:0 auto 36px}

/* footer */
footer{background:var(--char-deep);color:rgba(255,255,255,.82);padding:70px 0 36px;font-size:.85rem;font-weight:300}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px}
@media(max-width:820px){footer .cols{grid-template-columns:1fr}}
footer img.logo{height:46px;width:auto;margin-bottom:22px}
footer h4{
  font-family:'Raleway',sans-serif;font-weight:500;font-size:.7rem;
  letter-spacing:.28em;text-transform:uppercase;color:var(--sage);margin-bottom:16px;
}
footer .ced{font-size:.76rem;line-height:2;opacity:.75}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer a:hover{color:#fff}
footer .social{display:flex;gap:14px;margin-top:6px}
footer .social a{
  width:38px;height:38px;border:1px solid var(--line-inv);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:border-color .25s,background .25s;
}
footer .social a:hover{border-color:var(--sage);background:var(--sage)}
footer .social svg{width:16px;height:16px;fill:#fff}
footer .banderas{width:110px;opacity:.85;margin-top:20px}
footer .legal{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-inv);
  display:flex;flex-wrap:wrap;gap:8px 30px;justify-content:space-between;
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;opacity:.65;
}

/* sticky whatsapp móvil */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:var(--sage);color:#fff;text-align:center;
  font-family:'Raleway',sans-serif;font-weight:700;font-size:.72rem;
  text-transform:uppercase;letter-spacing:.22em;padding:15px 10px;
  box-shadow:0 -4px 14px rgba(0,0,0,.14);
}
@media(max-width:760px){
  .mobile-cta{display:flex;align-items:center;justify-content:center;gap:.6em}
  body{padding-bottom:48px}
}
.mobile-cta svg{width:15px;height:15px}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--sage);outline-offset:3px}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}