/* Doctora Autoinmunes — sistema visual compartido */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --navy:#122238;
  --navy-2:#0B1626;
  --cyan:#2FA8D8;
  --cyan-bright:#63C6E8;
  --green:#7A5F3E;
  --green-bright:#A9835A;
  --gold:#C9A227;
  --gold-bright:#E0C158;
  --cream:#FAF7EF;
  --cream-2:#F1EBDA;
  --white:#FFFFFF;
  --ink:#182A3D;
  --ink-dim:#5C6B7A;
  --hair:rgba(18,34,56,0.10);
  --hair-soft:rgba(18,34,56,0.06);
  --shadow:0 18px 40px rgba(18,34,56,0.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.serif{font-family:'Fraunces',serif}
.mono{font-family:'IBM Plex Mono',monospace}
img{max-width:100%;display:block}
a{color:inherit}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);font-weight:500;
}
.eyebrow.gold{color:var(--gold-bright)}
.eyebrow.on-dark{color:var(--cyan-bright)}

/* ---------- NAV ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;background:rgba(250,247,239,0);
  transition:background .35s ease,box-shadow .35s ease,padding .35s ease;
}
header.nav.scrolled{
  background:rgba(250,247,239,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--hair);
  padding:12px 28px;
}
.brandmark{display:flex;align-items:center;gap:12px;text-decoration:none}
.brandmark .brand-logo{height:32px;width:auto;display:block}
.brandmark .word-sub{
  font-family:'IBM Plex Mono',monospace;font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);font-weight:500;white-space:nowrap;
  padding-left:12px;border-left:1px solid var(--hair);
}
@media (max-width:560px){.brandmark .word-sub{display:none}}

nav.links{display:flex;gap:28px;align-items:center}
nav.links a{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-dim);text-decoration:none;transition:color .25s;
  white-space:nowrap;
}
nav.links a:hover{color:var(--navy)}
nav.links a.tab-simposio{
  color:var(--gold);border:1px solid var(--gold);padding:8px 14px;border-radius:999px;
  transition:background .25s,color .25s;
}
nav.links a.tab-simposio:hover{background:var(--gold);color:var(--white)}
nav.links a.active{color:var(--navy);font-weight:600}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;transition:transform .25s,opacity .25s}

@media (max-width:860px){
  nav.links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:var(--cream);flex-direction:column;align-items:flex-start;
    justify-content:center;gap:24px;padding:40px;
    transform:translateX(100%);transition:transform .35s ease;
    box-shadow:-10px 0 30px rgba(0,0,0,.08);
  }
  nav.links.open{transform:translateX(0)}
  .menu-toggle{display:block;z-index:70}
}

/* ---------- BUTTONS ---------- */
.btn{
  font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.12em;
  text-transform:uppercase;text-decoration:none;padding:14px 26px;border-radius:3px;
  display:inline-block;border:1px solid transparent;cursor:pointer;
  transition:transform .22s,background .22s,border-color .22s,color .22s;
}
.btn-solid{background:var(--navy);color:var(--white)}
.btn-solid:hover{background:var(--cyan);transform:translateY(-2px)}
.btn-ghost{border-color:var(--hair);color:var(--navy)}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--white)}
.btn-gold:hover{background:var(--gold-bright);transform:translateY(-2px)}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:150px 0 90px;
  display:flex;align-items:center;gap:56px;
}
.hero .wrap{display:flex;align-items:center;gap:56px}
.hero-text{flex:1 1 460px}
.hero-text h1{
  font-family:'Fraunces',serif;font-weight:600;
  font-size:clamp(2.2rem,4.6vw,3.4rem);line-height:1.1;
  color:var(--navy);margin:18px 0 20px;
}
.hero-text h1 em{font-style:normal;color:var(--cyan)}
.hero-text p.lede{font-size:1.1rem;color:var(--ink-dim);max-width:480px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{flex:1 1 380px;position:relative}
.hero-photo .frame{
  position:relative;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/5;
}
.hero-photo .frame img{width:100%;height:100%;object-fit:cover}
.hero-photo .badge{
  position:absolute;bottom:-18px;left:-18px;background:var(--white);
  border-radius:6px;box-shadow:var(--shadow);padding:14px 20px;
  font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.08em;
  color:var(--navy);text-transform:uppercase;
}
.hero-photo .badge b{display:block;font-family:'Fraunces',serif;text-transform:none;font-size:1rem;color:var(--cyan);font-weight:600}

@media (max-width:860px){
  .hero .wrap{flex-direction:column-reverse;text-align:center}
  .hero-text p.lede{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-photo{max-width:320px}
}

/* ---------- SECTIONS ---------- */
section{position:relative;padding:88px 0}
.section-head{max-width:640px;margin-bottom:48px}
.section-head h2{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(1.7rem,3vw,2.4rem);color:var(--navy);margin-top:14px}
.section-head p{color:var(--ink-dim);margin-top:14px;font-size:1.05rem}

section.dark{background:var(--navy);color:var(--cream)}
section.dark .section-head h2{color:var(--white)}
section.dark .section-head p{color:rgba(250,247,239,.72)}

/* Quote */
.quote-block{
  display:flex;align-items:center;gap:52px;background:var(--navy);color:var(--white);
}
.quote-block .wrap{display:flex;align-items:center;gap:52px}
.quote-photo{flex:0 0 320px;border-radius:8px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.quote-photo img{width:100%;display:block}
.quote-text{flex:1}
.quote-text blockquote{
  font-family:'Fraunces',serif;font-weight:500;font-size:clamp(1.5rem,3vw,2.1rem);
  line-height:1.35;color:var(--white);
}
.quote-text blockquote strong{color:var(--cyan-bright);font-weight:600}
.quote-text cite{display:block;margin-top:22px;font-style:normal;color:rgba(250,247,239,.65);font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.06em}
@media (max-width:860px){
  .quote-block .wrap{flex-direction:column;text-align:center}
  .quote-photo{flex:0 0 auto;max-width:280px}
}

/* About grid */
.about-grid{display:flex;gap:60px;align-items:flex-start}
.about-photo{flex:0 0 380px;border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}
.about-photo img{width:100%;display:block}
.about-copy{flex:1}
.about-copy p{color:var(--ink-dim);margin-bottom:16px;font-size:1.02rem}
.about-copy p b{color:var(--navy)}
@media (max-width:900px){.about-grid{flex-direction:column}.about-photo{flex:0 0 auto;max-width:340px;margin:0 auto}}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--white);border:1px solid var(--hair);border-radius:8px;
  padding:30px 26px;transition:transform .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .icon{
  width:44px;height:44px;border-radius:50%;background:var(--cream-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  color:var(--green);font-size:1.3rem;
}
.card h3{font-family:'Fraunces',serif;font-size:1.12rem;color:var(--navy);margin-bottom:8px;font-weight:600}
.card p{color:var(--ink-dim);font-size:.95rem}
@media (max-width:860px){.card-grid,.card-grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.card-grid,.card-grid.cols-4{grid-template-columns:1fr}}

/* Empresa panel (arena / beige, letras azules) */
.empresa{background:var(--cream-2);color:var(--ink)}
.empresa .section-head h2{color:var(--navy)}
.empresa .section-head p{color:var(--ink-dim)}
.empresa .card{background:var(--white);border-color:var(--hair)}
.empresa .card .icon{background:var(--cream);color:var(--navy)}
.empresa .card h3{color:var(--navy)}
.empresa .card p{color:var(--ink-dim)}

/* Simposio banner (landing) */
.simposio-banner{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));
  color:var(--white);border-radius:12px;padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;position:relative;overflow:hidden;
  border:1px solid rgba(201,162,39,.3);
}
.simposio-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 100% at 100% 0%,rgba(201,162,39,.18),transparent 60%);
}
.simposio-banner .txt{position:relative;z-index:1;max-width:560px}
.simposio-banner h3{font-family:'Fraunces',serif;font-size:1.7rem;margin:10px 0 12px;color:var(--white)}
.simposio-banner p{color:rgba(250,247,239,.75)}
.simposio-banner .cta{position:relative;z-index:1}

/* ---------- SYMPOSIUM PAGE ---------- */
.symp-hero{
  background:var(--navy-2);color:var(--white);
  padding:150px 0 70px;position:relative;overflow:hidden;
}
.symp-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 60% at 20% 10%,rgba(201,162,39,.16),transparent 60%),
             radial-gradient(60% 50% at 90% 90%,rgba(47,168,216,.14),transparent 60%);
}
.symp-hero .wrap{position:relative;z-index:1}
.symp-hero .roman{font-family:'Fraunces',serif;color:var(--gold-bright);font-size:1rem;letter-spacing:.1em}
.symp-hero h1{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(2.3rem,5vw,3.6rem);line-height:1.08;margin:12px 0 8px}
.symp-hero h1 em{font-style:normal;color:var(--gold-bright)}
.symp-hero .sub{font-family:'IBM Plex Mono',monospace;letter-spacing:.16em;text-transform:uppercase;font-size:.85rem;color:var(--cyan-bright);margin-bottom:34px}

.symp-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:38px}
.fact{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:8px;padding:20px 18px;
}
.fact .label{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-bright);margin-bottom:8px}
.fact .value{font-family:'Fraunces',serif;font-size:1.15rem;color:var(--white)}
@media (max-width:860px){.symp-facts{grid-template-columns:repeat(2,1fr)}}

.badge-free{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--gold);
  color:var(--gold-bright);border-radius:999px;padding:8px 18px;
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:30px;
}

.support-row{margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.support-row .label{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:12px}
.support-row .names{display:flex;flex-wrap:wrap;gap:10px 26px;font-family:'Fraunces',serif;color:rgba(255,255,255,.85);font-size:.95rem}

/* Registration form */
.form-panel{background:var(--white);border:1px solid var(--hair);border-radius:12px;box-shadow:var(--shadow);padding:44px;max-width:680px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim)}
.field input,.field select{
  border:1px solid var(--hair);border-radius:5px;padding:12px 14px;
  font-family:'Inter',sans-serif;font-size:.96rem;color:var(--ink);background:var(--cream);
  transition:border-color .2s;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan)}
.consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 26px;font-size:.86rem;color:var(--ink-dim)}
.consent input{margin-top:4px}
.form-msg{margin-top:16px;font-family:'IBM Plex Mono',monospace;font-size:.82rem;display:none}
.form-msg.ok{color:var(--green-bright);display:block}
.form-msg.err{color:#B3452C;display:block}
@media (max-width:600px){.form-row{grid-template-columns:1fr}.form-panel{padding:30px 22px}}

/* ---------- CONTACT / FOOTER ---------- */
footer.site{
  position:relative;overflow:hidden;
  background:var(--navy-2);color:rgba(250,247,239,.7);padding:74px 0 28px;
  border-top:1px solid transparent;
  background-image:
    linear-gradient(var(--navy-2),var(--navy-2)),
    linear-gradient(90deg,transparent,var(--cyan),var(--gold),transparent);
  background-origin:border-box;background-clip:padding-box,border-box;
}
footer.site::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px, rgba(156,196,228,.16) 1px, transparent 0);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(70% 80% at 50% 0%, #000 40%, transparent 100%);
          mask-image:radial-gradient(70% 80% at 50% 0%, #000 40%, transparent 100%);
}
footer.site .wrap{position:relative;z-index:1}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .word{font-family:'Fraunces',serif;color:var(--white);font-size:1.15rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.footer-brand .word svg{width:24px;height:24px;flex:none}
.footer-brand .word img.footer-icon{width:26px;height:auto;flex:none}
.footer-brand p{max-width:320px;font-size:.9rem;color:rgba(250,247,239,.6)}
.footer-col h4{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-bright);margin-bottom:14px}
.footer-col a{display:block;text-decoration:none;color:rgba(250,247,239,.72);font-size:.92rem;margin-bottom:9px;transition:color .2s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:24px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:rgba(250,247,239,.45)}

/* Social icon buttons */
.social-row{display:flex;gap:12px;margin-bottom:16px}
.social-btn{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  color:rgba(250,247,239,.78);text-decoration:none;
  transition:transform .28s ease,box-shadow .28s ease,background .28s ease,border-color .28s ease,color .28s ease;
}
.social-btn svg{width:19px;height:19px;fill:currentColor}
.social-btn:hover{transform:translateY(-3px)}
.social-btn.ig:hover{
  background:linear-gradient(45deg,#F58529,#DD2A7B 45%,#8134AF 75%,#515BD4);
  border-color:transparent;color:#fff;
  box-shadow:0 10px 24px rgba(221,42,123,.35);
}
.social-btn.yt:hover{
  background:#FF0000;border-color:transparent;color:#fff;
  box-shadow:0 10px 24px rgba(255,0,0,.32);
}
.social-btn.fb:hover{
  background:#1877F2;border-color:transparent;color:#fff;
  box-shadow:0 10px 24px rgba(24,119,242,.35);
}
.social-handle{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:rgba(250,247,239,.5)}

/* fade-in utility */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}