/* ============================================================
   DR. ALEJANDRO FUENTES — "CLÍNICA FUTURA" (Ada · Vector89)
   Light + warm greige + sage (su línea) elevado a futurista:
   Syne display · DM Mono datos/labels · Urbanist cuerpo.
   Precisión, hairlines, índices mono, grid sutil. Sin itálicas.
   ============================================================ */
:root{
  --paper:#F4F2EC;
  --paper-2:#EBE8DF;
  --white:#FFFFFF;
  --ink:#1A1A16;
  --ink-2:#4a473f;
  --gray:#8b877c;
  --sage:#8E9C82;
  --sage-deep:#71805f;
  --sage-tint:#E6EADD;
  --line:rgba(26,26,22,.13);
  --line-2:rgba(26,26,22,.07);
  --shadow:0 30px 70px rgba(26,26,22,.10);
  --r:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Urbanist',sans-serif;font-weight:400;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 34px}
::selection{background:var(--sage);color:#fff}

/* tipografía futurista */
h1,h2,h3,.d{font-family:'Syne',sans-serif;font-weight:700;line-height:1.02;letter-spacing:-.02em;color:var(--ink);text-transform:none}
h1{font-size:clamp(2.7rem,6.6vw,5.6rem);font-weight:800}
h2{font-size:clamp(2rem,4.2vw,3.4rem)}
h3{font-size:1.35rem;font-weight:700;letter-spacing:-.01em}
p{color:var(--ink-2)}
p.lead{font-size:1.16rem;line-height:1.7;color:var(--ink-2)}
.mono{font-family:'DM Mono',monospace}
.ey{font-family:'DM Mono',monospace;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--sage-deep);display:inline-flex;align-items:center;gap:12px}
.ey::before{content:"";width:26px;height:1px;background:var(--sage)}
.idx{font-family:'DM Mono',monospace;font-size:.72rem;letter-spacing:.18em;color:var(--gray)}

/* botones */
.btn{display:inline-flex;align-items:center;gap:.65em;font-family:'DM Mono',monospace;font-weight:500;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;padding:1.05em 1.9em;border-radius:100px;transition:background .3s,color .3s,transform .3s,box-shadow .3s,border-color .3s}
.btn svg{width:16px;height:16px;flex:none}
.btn-sage{background:var(--ink);color:#fff}
.btn-sage:hover{background:var(--sage-deep);transform:translateY(-3px);box-shadow:0 14px 30px rgba(113,128,95,.4)}
.btn-line{border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--ink);transform:translateY(-3px)}
.btn-ghost{color:var(--ink)}.btn-ghost:hover{color:var(--sage-deep)}
.btn-white{background:#fff;color:var(--ink)}.btn-white:hover{transform:translateY(-3px)}

/* header — logo más presente */
header.site{position:fixed;inset:0 0 auto 0;z-index:80;transition:background .4s,box-shadow .4s,backdrop-filter .4s}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:92px}
header.site.solid{background:rgba(244,242,236,.85);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line)}
.logo{display:flex;align-items:center;gap:13px}
.logo img{height:56px;width:auto;filter:brightness(0)}
.logo b{font-family:'Syne',sans-serif;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;line-height:1}
.logo small{display:block;font-family:'DM Mono',monospace;font-size:.55rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gray);margin-top:4px}
nav.main{display:flex;align-items:center;gap:32px}
nav.main a{font-family:'DM Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);transition:color .2s}
nav.main a:hover,nav.main a.on{color:var(--ink)}
nav.main a.on{position:relative}
nav.main a.on::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:1.5px;background:var(--sage)}
nav.main .btn{color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;z-index:90}
.burger span{display:block;width:26px;height:1.5px;background:var(--ink);margin:6px auto;transition:.3s}
@media(max-width:1000px){
  nav.main{position:fixed;inset:0;background:var(--paper);flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.7,.2,1)}
  nav.main.open{transform:none}nav.main a{font-size:.95rem}
  .burger{display:block}
  body.menu-open .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  body.menu-open .burger span:nth-child(2){opacity:0}
  body.menu-open .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}

/* fondo grid sutil futurista */
.grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;-webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000,transparent 78%);mask-image:radial-gradient(120% 80% at 50% 0%,#000,transparent 78%)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:170px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-20%;right:-10%;width:56vw;height:56vw;max-width:720px;max-height:720px;border-radius:50%;background:radial-gradient(circle,var(--sage-tint),transparent 68%);opacity:.75;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(30px,5vw,70px);align-items:center}
.hero .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.hero .top .idx{color:var(--sage-deep)}
.hero h1{margin:0}
.hero h1 em{font-style:normal;color:var(--sage-deep)}
.hero .sub{margin-top:26px;max-width:46ch;font-size:1.16rem;color:var(--ink-2)}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px;align-items:center}
.hero .figure{position:relative}
.hero .figure .ph{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero .figure .ph img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero .figure .ring{position:absolute;inset:-14px;border:1px solid var(--sage);border-radius:calc(var(--r) + 14px);opacity:.5;pointer-events:none}
.hero .chip{position:absolute;background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.hero .chip b{font-family:'Syne',sans-serif;font-weight:800;font-size:1.5rem;color:var(--sage-deep);line-height:1}
.hero .chip span{font-family:'DM Mono',monospace;font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);line-height:1.5}
.hero .chip.c1{left:-24px;top:40px}
.hero .chip.c2{right:-18px;bottom:44px}
@media(max-width:900px){
  .hero{padding:132px 0 72px}.hero-grid{grid-template-columns:1fr;gap:40px}
  .hero .figure{order:-1;max-width:420px}.hero .chip.c1{left:10px}.hero .chip.c2{right:10px}
}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.hero .ey,.hero h1,.hero .sub,.hero .actions,.hero .figure{animation:rise 1s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.1s}.hero .sub{animation-delay:.22s}.hero .actions{animation-delay:.34s}.hero .figure{animation-delay:.16s}

/* marquee */
.marq{background:var(--ink);color:#fff;overflow:hidden;padding:16px 0}
.marq-t{display:flex;width:max-content;white-space:nowrap;animation:mx 30s linear infinite}
.marq:hover .marq-t{animation-play-state:paused}
.marq span{font-family:'DM Mono',monospace;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;padding:0 30px;color:rgba(255,255,255,.72)}
.marq span b{color:var(--sage);font-weight:400;margin-right:30px}
@keyframes mx{to{transform:translateX(-50%)}}

/* secciones */
section{padding:clamp(84px,10vw,138px) 0;position:relative}
.alt{background:var(--paper-2)}
.dark{background:var(--ink);color:#fff}
.dark h2,.dark h3{color:#fff}.dark p{color:rgba(255,255,255,.72)}.dark .ey{color:var(--sage)}.dark .ey::before{background:var(--sage)}
.head{max-width:56ch}.head .ey{margin-bottom:20px}
.head.center{margin:0 auto;text-align:center}.head.center .ey{justify-content:center}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.09s}.reveal.d2{transition-delay:.18s}.reveal.d3{transition-delay:.27s}

/* cards */
.cards{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line-2);border-radius:var(--r);padding:34px 30px;transition:transform .35s,box-shadow .35s,border-color .35s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--sage)}
.card .idx{display:block;margin-bottom:16px}
.card h3{margin-bottom:8px}.card p{font-size:.98rem}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--sage-tint);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card .ic svg{width:23px;height:23px;stroke:var(--sage-deep);fill:none;stroke-width:1.6}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,84px);align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:40px}}
.split .figure img{width:100%;border-radius:var(--r);box-shadow:var(--shadow)}
.split .body p+p{margin-top:15px}.split .body .btn{margin-top:28px}
.statement{font-family:'Syne',sans-serif;font-weight:700;font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.2;letter-spacing:-.01em;color:var(--ink);margin:14px 0 20px}

/* ---------- INFOGRAFÍA FUE ---------- */
.fue{position:relative}
.fue-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px;position:relative}
@media(max-width:820px){.fue-flow{grid-template-columns:1fr 1fr;gap:30px 0}}
@media(max-width:520px){.fue-flow{grid-template-columns:1fr}}
.fue-step{position:relative;padding:0 22px;text-align:center}
.fue-step:not(:last-child)::after{content:"";position:absolute;top:52px;right:-1px;width:2px;height:calc(100% - 52px);}
.fue-node{width:104px;height:104px;margin:0 auto 24px;border-radius:50%;background:var(--white);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;z-index:2}
.fue-node svg{width:46px;height:46px;stroke:var(--sage-deep);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.fue-node b{position:absolute;top:-8px;right:-8px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-family:'DM Mono',monospace;font-size:.72rem;display:flex;align-items:center;justify-content:center}
.fue-line{position:absolute;top:52px;left:12%;right:12%;height:1px;background:repeating-linear-gradient(90deg,var(--sage) 0 8px,transparent 8px 16px);z-index:1}
@media(max-width:820px){.fue-line{display:none}}
.fue-step h3{font-size:1.15rem;margin-bottom:8px}
.fue-step p{font-size:.9rem;color:var(--ink-2)}
.fue-step .t{font-family:'DM Mono',monospace;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sage-deep);display:block;margin-bottom:10px}

/* diagrama cuero cabelludo */
.scalp{max-width:560px;margin:0 auto}
.scalp svg{width:100%;height:auto}

/* casos */
.casos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px}
@media(max-width:760px){.casos-grid{grid-template-columns:1fr 1fr}}
.casos-grid figure{position:relative;border-radius:var(--r);overflow:hidden;background:var(--paper-2)}
.casos-grid img{aspect-ratio:4/5;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.casos-grid figure:hover img{transform:scale(1.05)}
.casos-grid figcaption{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);border-radius:100px;padding:5px 13px;font-family:'DM Mono',monospace;font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}

/* stats band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
@media(max-width:640px){.stats{grid-template-columns:1fr}}
.stat{background:var(--paper);padding:38px 30px;text-align:center}
.stat b{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(2.2rem,4vw,3rem);color:var(--ink);display:block;line-height:1}
.stat span{font-family:'DM Mono',monospace;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);margin-top:10px;display:block}

/* CTA */
.cta .card{background:var(--ink);color:#fff;border-radius:28px;padding:clamp(54px,7vw,96px) 34px;text-align:center;position:relative;overflow:hidden;border:0}
.cta .card::before{content:"";position:absolute;bottom:-30%;left:50%;transform:translateX(-50%);width:80%;height:80%;background:radial-gradient(circle,rgba(142,156,130,.4),transparent 66%)}
.cta h2{color:#fff;max-width:20ch;margin:14px auto 0;position:relative}
.cta p{color:rgba(255,255,255,.78);max-width:48ch;margin:18px auto 32px;position:relative}
.cta .ey{justify-content:center;color:var(--sage)}.cta .ey::before{background:var(--sage)}
.cta .btn{position:relative}

/* page hero (interiores) */
.phero{padding:150px 0 70px;position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;top:-30%;right:-6%;width:44vw;height:44vw;max-width:560px;max-height:560px;border-radius:50%;background:radial-gradient(circle,var(--sage-tint),transparent 68%);opacity:.7}
.phero .wrap{position:relative}
.phero h1{max-width:16ch}.phero .sub{margin-top:22px;max-width:52ch;font-size:1.16rem;color:var(--ink-2)}
.phero .ey{margin-bottom:20px}

/* contacto */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr;gap:38px}}
.c-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line-2)}
.c-item svg{width:20px;height:20px;stroke:var(--sage-deep);fill:none;stroke-width:1.6;flex:none;margin-top:3px}
.c-item .k{font-family:'DM Mono',monospace;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);display:block;margin-bottom:5px}
.c-item .v{color:var(--ink)}.c-item em{font-style:normal;color:var(--sage-deep);font-family:'DM Mono',monospace;font-size:.62rem;letter-spacing:.1em;text-transform:uppercase}
.map{width:100%;aspect-ratio:4/3;border:0;border-radius:var(--r);filter:grayscale(.4) contrast(1.03)}

/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.8);padding:80px 0 40px;font-size:.88rem;font-weight:300}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:46px}
@media(max-width:820px){footer .cols{grid-template-columns:1fr}}
footer .logo img{filter:brightness(0) invert(1);height:52px}
footer .logo b{color:#fff}footer .logo small{color:rgba(255,255,255,.5)}
footer .ced{font-family:'DM Mono',monospace;font-size:.72rem;line-height:2;color:rgba(255,255,255,.55);margin-top:20px}
footer h4{font-family:'DM Mono',monospace;font-weight:500;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage);margin-bottom:18px}
footer ul{list-style:none}footer ul li{margin-bottom:12px}
footer li.loc{display:flex;gap:9px;align-items:flex-start}
footer li.loc svg{width:15px;height:15px;flex:none;margin-top:3px;fill:none;stroke:var(--sage);stroke-width:1.6}
footer li.loc em{font-style:normal;color:var(--sage);font-family:'DM Mono',monospace;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase}
footer a:hover{color:#fff}
footer .social{display:flex;gap:10px;margin-top:4px}
footer .social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-inv,rgba(255,255,255,.16));display:flex;align-items:center;justify-content:center;transition:.25s}
footer .social a:hover{border-color:var(--sage);background:var(--sage)}
footer .social svg{width:16px;height:16px;fill:#fff}
footer .legal{margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-family:'DM Mono',monospace;font-size:.66rem;letter-spacing:.06em;color:rgba(255,255,255,.5)}
footer .legal a{color:var(--sage)}

.sticky-wa{display:none}
@media(max-width:760px){
  .sticky-wa{display:flex;position:fixed;left:14px;right:14px;bottom:14px;z-index:70;background:var(--ink);color:#fff;border-radius:100px;align-items:center;justify-content:center;gap:.6em;padding:15px;font-family:'DM Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;box-shadow:0 14px 34px rgba(26,26,22,.4)}
  .sticky-wa svg{width:16px;height:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.marq-t{animation:none}}