/* ===========================================================
   Estudio MD & Asoc. — Sistema de diseño
   Paleta: navy profundo + bordó + acento "ledger" mono
   =========================================================== */

:root{
  --navy-950: #070f1e;
  --navy-900: #0a1628;
  --navy-800: #101f38;
  --navy-700: #172a48;
  --navy-line: #21375a;
  --wine-500: #8a2440;
  --wine-600: #a52f52;
  --sky-400: #6fb3d9;
  --sky-300: #a3cfe6;
  --sky-500: #4f93b8;
  --wine-400: #b23a5c;
  --wine-300: #d98aa3;
  --ink-100: #d6dbe3;
  --ink-300: #aab1bc;
  --slate-400: #8b96a8;
  --slate-500: #6b7690;
  --serif: 'Fraunces', 'Georgia', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;
  --maxw: 1040px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--ink-100);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}

/* ---------- background texture ---------- */
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(138,36,64,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138,36,64,0.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

/* ---------- eyebrow / labels ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sky-400);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;
  background:var(--sky-400);
  display:inline-block;
}

/* ---------- header / nav ---------- */
header.site{
  position:sticky;top:0;z-index:40;
  background:rgba(7,15,30,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--navy-line);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 32px;
  max-width:var(--maxw);margin:0 auto;
}
.logotype{
  font-family:var(--serif);
  font-size:20px;
  letter-spacing:.02em;
  color:var(--ink-100);
  display:flex;flex-direction:column;line-height:1.05;
}
.logotype b{color:var(--sky-400);font-weight:600;}
.logotype span{
  font-family:var(--mono);
  font-size:9.5px;
  letter-spacing:.24em;
  color:var(--slate-400);
  margin-top:3px;
}
nav.links{display:flex;gap:30px;align-items:center;}
nav.links a{
  font-size:14px;color:var(--ink-300);
  transition:color .2s;
  white-space:nowrap;
}
nav.links a:hover{color:var(--sky-400);}
.nav-cta{
  background:var(--sky-400);
  color:var(--navy-950) !important;
  padding:10px 18px;
  border-radius:3px;
  font-weight:600;
  font-size:13.5px;
  transition:background .2s, transform .2s;
}
.nav-cta:hover{background:var(--sky-500);transform:translateY(-1px);}
.nav-toggle{display:none;background:none;border:none;color:var(--ink-100);font-size:24px;cursor:pointer;}

@media (max-width:880px){
  nav.links{
    position:fixed;inset:64px 0 0 0;
    background:var(--navy-950);
    flex-direction:column;
    padding:32px;
    gap:22px;
    align-items:flex-start;
    transform:translateX(100%);
    transition:transform .3s ease;
    border-top:1px solid var(--navy-line);
  }
  nav.links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  nav.links a{font-size:17px;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;
  border-radius:3px;
  font-weight:600;
  font-size:14.5px;
  cursor:pointer;
  transition:all .2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--sky-400);color:var(--navy-950);}
.btn-primary:hover{background:var(--sky-500);transform:translateY(-1px);}
.btn-ghost{border-color:var(--navy-line);color:var(--ink-100);}
.btn-ghost:hover{border-color:var(--sky-400);color:var(--sky-400);}

/* ---------- hero ---------- */
.hero{
  position:relative;z-index:1;
  padding:76px 0 90px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(34px,4.4vw,54px);
  line-height:1.08;
  margin:18px 0 20px;
  font-weight:600;
  letter-spacing:-.01em;
}
.hero h1 em{color:var(--sky-400);font-style:normal;}
.hero p.lead{
  font-size:17px;
  color:var(--ink-300);
  max-width:52ch;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.hero-solo{max-width:820px;}

.avatar-head{
  display:flex;
  align-items:center;
  gap:24px;
  max-width:none;
}
.avatar-thumb{
  width:56px;height:56px;
  border-radius:50%;
  object-fit:cover;
  object-position:top center;
  border:2px solid var(--sky-400);
  box-shadow:0 6px 18px rgba(0,0,0,0.35);
  flex:0 0 auto;
  background:var(--navy-800);
}
.sobre-parrafo{
  font-family:var(--serif);
  font-size:19px;
  line-height:1.65;
  color:var(--ink-300);
  max-width:920px;
  margin:0;
}

.hero-photo{
  position:relative;
  display:flex;justify-content:center;
}
.photo-frame{
  position:relative;
  width:min(100%,420px);
}
.photo-frame-sm{
  width:min(75%,300px);
  margin:0 auto;
}
.photo-frame::before{
  content:'';
  position:absolute;
  inset:-30px;
  background:radial-gradient(circle at 50% 35%, rgba(138,36,64,0.28), transparent 68%);
  filter:blur(6px);
  z-index:0;
}
.photo-frame .shelf-bg{
  position:absolute;
  inset:-18% -30% -10% -30%;
  z-index:0;
  opacity:0.55;
  mask-image:radial-gradient(ellipse 65% 75% at 50% 45%, black 40%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 65% 75% at 50% 45%, black 40%, transparent 78%);
}
.photo-frame .shelf-bg img{width:100%;height:100%;object-fit:cover;}
.photo-frame img{
  position:relative;z-index:1;
  width:100%;
  filter:drop-shadow(0 24px 40px rgba(0,0,0,0.45));
}
.photo-frame .ring{
  position:absolute;z-index:0;
  border:1px solid var(--navy-line);
  border-radius:50%;
}
.ring-1{width:120%;height:120%;top:-10%;left:-10%;opacity:.5;}
.ring-2{width:104%;height:104%;top:-2%;left:-2%;border-color:rgba(138,36,64,0.25);}
.photo-caption{
  text-align:center;margin-top:18px;
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--slate-400);
  letter-spacing:.08em;
}

/* ---------- sections generic ---------- */
section{position:relative;z-index:1;padding:88px 0;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(28px,3.2vw,38px);
  margin:14px 0 0;
  font-weight:600;
}
.section-head p{color:var(--ink-300);margin-top:14px;font-size:16px;}
.divider{height:1px;background:var(--navy-line);border:none;margin:0;}

/* ---------- sobre / bio ---------- */
.bio-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.bio-grid p{color:var(--ink-300);font-size:16px;margin-bottom:16px;}
.bio-grid p:first-child{
  font-family:var(--serif);
  font-size:21px;
  color:var(--ink-100);
  line-height:1.5;
}
.credential-box{
  border:1px solid var(--navy-line);
  background:var(--navy-800);
  padding:24px 26px;
  border-radius:4px;
  font-size:13.5px;
  color:var(--slate-400);
}
.credential-box b{color:var(--sky-400);display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;margin-bottom:8px;text-transform:uppercase;}

/* ---------- trayectoria resumen ---------- */
.trayectoria-resumen{
  max-width:760px;
  border-left:2px solid var(--sky-400);
  padding-left:28px;
}
.trayectoria-resumen p{
  font-family:var(--serif);
  font-size:19px;
  line-height:1.65;
  color:var(--ink-300);
  margin:0;
}

/* ---------- ledger timeline (signature element, unused but kept for reference) ---------- */
.ledger{
  position:relative;
  margin-top:20px;
  padding-left:2px;
}
.ledger-axis{
  position:relative;
  border-left:1px solid var(--navy-line);
  margin-left:6px;
}
.ledger-item{
  position:relative;
  padding:0 0 46px 34px;
}
.ledger-item:last-child{padding-bottom:0;}
.ledger-item::before{
  content:'';
  position:absolute;left:-5.5px;top:4px;
  width:10px;height:10px;
  background:var(--navy-900);
  border:2px solid var(--sky-400);
  border-radius:50%;
}
.ledger-year{
  font-family:var(--mono);
  color:var(--sky-400);
  font-size:13px;
  letter-spacing:.06em;
  margin-bottom:6px;
  display:block;
}
.ledger-item h3{
  font-family:var(--serif);
  font-size:19px;
  margin:0 0 6px;
  font-weight:600;
}
.ledger-item p{
  color:var(--ink-300);
  font-size:14.5px;
  margin:0;
  max-width:56ch;
}
.ledger-item .tags{
  display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;
}
.ledger-item .tags span{
  font-family:var(--mono);
  font-size:11px;
  color:var(--slate-400);
  border:1px solid var(--navy-line);
  padding:3px 9px;
  border-radius:20px;
}

/* ---------- areas grid ---------- */
.areas-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--navy-line);
  border:1px solid var(--navy-line);
}
.area-card{
  background:var(--navy-900);
  padding:32px 28px;
  transition:background .25s;
}
.area-card:hover{background:var(--navy-800);}
.area-num{
  font-family:var(--mono);
  color:var(--sky-400);
  font-size:12px;
  letter-spacing:.08em;
}
.area-card h3{
  font-family:var(--serif);
  font-size:19px;
  margin:14px 0 10px;
  font-weight:600;
}
.area-card p{color:var(--slate-400);font-size:14px;margin:0;}
.areas-footnote{
  margin-top:22px;
  font-size:13.5px;
  color:var(--slate-500);
  font-style:italic;
}

@media (max-width:880px){
  .areas-grid{grid-template-columns:1fr;}
  .bio-grid{grid-template-columns:1fr;gap:32px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-photo{order:-1;max-width:280px;margin:0 auto;}
}

/* ---------- confidencialidad ---------- */
.confid{
  background:var(--navy-800);
  border-top:1px solid var(--navy-line);
  border-bottom:1px solid var(--navy-line);
}
.confid-inner{
  display:flex;gap:40px;align-items:center;
}
.confid-icon{
  flex:0 0 auto;
  width:64px;height:64px;
  border:1px solid var(--sky-400);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--sky-400);
}
.confid h2{
  font-family:var(--serif);font-size:26px;margin:0 0 10px;font-weight:600;
}
.confid p{color:var(--ink-300);margin:0;max-width:70ch;font-size:15.5px;}

@media (max-width:700px){
  .confid-inner{flex-direction:column;text-align:center;}
}

/* ---------- blog / casos cards ---------- */
.cases-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.case-card{
  background:var(--navy-800);
  border:1px solid var(--navy-line);
  border-radius:4px;
  padding:28px;
  display:flex;flex-direction:column;
  transition:border-color .2s, transform .2s;
}
.case-card:hover{border-color:var(--sky-400);transform:translateY(-2px);}
.case-badge{
  align-self:flex-start;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--navy-950);
  background:var(--sky-400);
  padding:4px 10px;
  border-radius:20px;
  margin-bottom:16px;
}
.case-card h3{
  font-family:var(--serif);font-size:20px;margin:0 0 10px;font-weight:600;line-height:1.3;
}
.case-card p{color:var(--slate-400);font-size:14px;flex:1;margin:0 0 16px;}
.case-read{
  font-family:var(--mono);font-size:12.5px;color:var(--sky-400);
  display:inline-flex;align-items:center;gap:6px;
}
@media (max-width:780px){.cases-grid{grid-template-columns:1fr;}}

/* ---------- contacto / footer ---------- */
footer.site{
  background:var(--navy-950);
  border-top:1px solid var(--navy-line);
  padding:70px 0 34px;
}
.foot-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px;
  padding-bottom:44px;
}
.foot-grid h4{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--sky-400);margin:0 0 16px;
}
.foot-grid p, .foot-grid a{color:var(--slate-400);font-size:14.5px;line-height:1.9;}
.foot-grid a:hover{color:var(--sky-400);}
.foot-brand .logotype{margin-bottom:14px;}
.foot-tagline{
  font-size:13.5px;color:var(--slate-500);font-style:italic;max-width:34ch;margin-top:14px;
}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:26px;border-top:1px solid var(--navy-line);
  font-size:12.5px;color:var(--slate-500);flex-wrap:wrap;gap:10px;
}
@media (max-width:780px){.foot-grid{grid-template-columns:1fr;gap:32px;}}

/* ---------- whatsapp floating button ---------- */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:50;
  width:60px;height:60px;border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  animation:wa-pulse 2.6s infinite;
}
.wa-float:hover{transform:scale(1.06);}
.wa-float svg{width:30px;height:30px;}
@keyframes wa-pulse{
  0%{box-shadow:0 8px 24px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,.5);}
  70%{box-shadow:0 8px 24px rgba(0,0,0,0.4), 0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 8px 24px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,0);}
}

/* ---------- article page ---------- */
.article-hero{padding:56px 0 40px;border-bottom:1px solid var(--navy-line);}
.article-hero .eyebrow{margin-bottom:16px;}
.article-hero h1{
  font-family:var(--serif);font-size:clamp(30px,4vw,44px);line-height:1.15;font-weight:600;margin:0 0 18px;
}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--slate-400);font-size:13.5px;font-family:var(--mono);}
.disclaimer{
  background:var(--navy-800);
  border-left:3px solid var(--sky-400);
  padding:16px 20px;
  font-size:14px;
  color:var(--ink-300);
  margin:32px 0;
  border-radius:0 4px 4px 0;
}
.article-body{max-width:720px;margin:0 auto;padding:56px 0;}
.article-body h2{font-family:var(--serif);font-size:26px;margin:40px 0 16px;font-weight:600;}
.article-body h3{font-family:var(--serif);font-size:20px;margin:28px 0 12px;font-weight:600;}
.article-body p{color:var(--ink-300);font-size:16px;margin-bottom:18px;}
.article-body ul{color:var(--ink-300);font-size:16px;padding-left:22px;margin-bottom:18px;}
.article-body li{margin-bottom:8px;}
.article-cta{
  margin-top:48px;padding:32px;background:var(--navy-800);
  border:1px solid var(--navy-line);border-radius:4px;text-align:center;
}
.article-cta h3{font-family:var(--serif);margin:0 0 10px;font-size:21px;}
.article-cta p{color:var(--slate-400);margin:0 0 20px;}

/* ---------- blog index ---------- */
.blog-list{display:grid;gap:1px;background:var(--navy-line);border:1px solid var(--navy-line);}
.blog-row{
  background:var(--navy-900);padding:26px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  transition:background .2s;
}
.blog-row:hover{background:var(--navy-800);}
.blog-row h3{font-family:var(--serif);font-size:19px;font-weight:600;margin:0 0 6px;}
.blog-row p{color:var(--slate-400);font-size:13.5px;margin:0;}