@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Manrope:wght@300;400;500;600;700;800&display=swap');

/* =========================================================
   PERIGON — Sistema de diseño "Atlas Cósmico del Conocimiento"
   ========================================================= */

:root{
  /* Neutros / fondo */
  --navy-950:#060811;
  --navy-900:#0a0e1c;
  --navy-800:#0f1428;
  --navy-700:#161c38;
  --navy-600:#212a4a;
  --line:rgba(196,190,230,0.12);
  --line-strong:rgba(196,190,230,0.22);

  /* Texto */
  --text-primary:#eae7f4;
  --text-secondary:#b3aecb;
  --text-muted:#8a84a8;

  /* Primario (índigo profundo) */
  --indigo-600:#4b3d94;
  --indigo-500:#5f4fb0;
  --indigo-400:#8272d1;
  --indigo-300:#a79eea;

  /* Acento cobre / oro suave */
  --copper-600:#a9713a;
  --copper-500:#c9974f;
  --copper-400:#e0b877;
  --copper-300:#eecf9c;

  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;

  --font-head:'Spectral', serif;
  --font-body:'Manrope', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-950);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{padding:0;margin:0;list-style:none;}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:600;
  line-height:1.25;
  margin:0 0 .6em;
  color:var(--text-primary);
  letter-spacing:.2px;
}
h1{font-size:clamp(2.2rem,4.5vw,3.6rem);font-weight:600;}
h2{font-size:clamp(1.7rem,3vw,2.4rem);}
h3{font-size:clamp(1.25rem,2vw,1.6rem);}
p{margin:0 0 1.1em;color:var(--text-secondary);}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
section{padding:88px 0;}
.section-tight{padding:56px 0;}

.eyebrow{
  font-family:var(--font-body);
  font-size:.8rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper-400);
  font-weight:700;
  margin-bottom:14px;
  display:block;
}
.lede{
  font-size:1.15rem;
  color:var(--text-secondary);
  max-width:680px;
}
.text-balance{text-wrap:balance;}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-sm);
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg,var(--copper-500),var(--copper-600));
  color:var(--navy-950);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--copper-400),var(--copper-500));}
.btn-outline{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text-primary);
}
.btn-outline:hover{border-color:var(--copper-400);color:var(--copper-300);}
.btn-block{width:100%;justify-content:center;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(8,10,20,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
  max-width:1180px;
  margin:0 auto;
}
.logo{
  font-family:var(--font-head);
  font-size:1.5rem;
  font-weight:700;
  color:var(--text-primary);
  display:flex;
  align-items:center;
  gap:10px;
}
.logo span{color:var(--copper-400);}
.logo-mark{
  width:34px;height:34px;
  border-radius:50%;
  border:1.5px solid var(--copper-400);
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.logo-mark::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--copper-400);
  box-shadow:0 0 8px 2px var(--copper-400);
}
.main-nav ul{display:flex;gap:30px;align-items:center;}
.main-nav a{
  font-size:.94rem;
  color:var(--text-secondary);
  font-weight:500;
  position:relative;
  padding:4px 0;
}
.main-nav a:hover,.main-nav a.active{color:var(--text-primary);}
.main-nav a.active::after{
  content:"";
  position:absolute;left:0;bottom:-4px;
  width:100%;height:2px;
  background:var(--copper-400);
}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;border:none;cursor:pointer;
  padding:8px;
}
.nav-toggle span{width:24px;height:2px;background:var(--text-primary);}

@media (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    inset:70px 0 0 0;
    background:var(--navy-900);
    padding:20px 24px 40px;
    display:none;
    overflow-y:auto;
  }
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:22px;}
  .nav-cta{margin-left:0;margin-top:10px;}
}

/* ---------- Hero con campo estelar ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:radial-gradient(ellipse at top, var(--navy-800) 0%, var(--navy-950) 65%);
  padding:110px 0 90px;
  border-bottom:1px solid var(--line);
}
.hero canvas.starfield{
  position:absolute;inset:0;
  width:100%;height:100%;
  z-index:0;
  opacity:.8;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:760px;
}
.hero p.lede{margin-bottom:34px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-sub{
  position:relative;z-index:2;
  margin-top:60px;
  padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;
  gap:40px;
  flex-wrap:wrap;
  color:var(--text-muted);
  font-size:.92rem;
}
.hero-sub strong{color:var(--text-secondary);display:block;font-weight:600;margin-bottom:2px;}

.page-hero{
  background:radial-gradient(ellipse at top, var(--navy-800) 0%, var(--navy-950) 70%);
  border-bottom:1px solid var(--line);
  padding:74px 0 64px;
  position:relative;
  overflow:hidden;
}
.page-hero canvas.starfield{position:absolute;inset:0;width:100%;height:100%;opacity:.55;}
.page-hero .hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{
  font-size:.82rem;
  color:var(--text-muted);
  margin-bottom:18px;
  position:relative;z-index:2;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--copper-400);}

/* ---------- Tarjetas ---------- */
.card{
  background:var(--navy-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s ease, transform .2s ease;
  display:flex;
  flex-direction:column;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.card-tag{
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--copper-400);
  font-weight:700;
  margin-bottom:10px;
}
.card-body h3{margin-bottom:10px;}
.card-body p{font-size:.94rem;margin-bottom:16px;}
.card-link{
  margin-top:auto;
  font-weight:600;
  font-size:.88rem;
  color:var(--indigo-300);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link:hover{color:var(--copper-300);}

.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
}

/* ---------- Secciones con fondo alterno ---------- */
.section-alt{background:var(--navy-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
@media (max-width:900px){.split{grid-template-columns:1fr;}}
.split img{border-radius:var(--radius-md);border:1px solid var(--line);}

/* ---------- Listas de proceso / metodología ---------- */
.process-list{display:flex;flex-direction:column;gap:0;}
.process-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  padding:28px 0;
  border-top:1px solid var(--line);
}
.process-item:first-child{border-top:none;}
.process-index{
  font-family:var(--font-head);
  font-size:1.6rem;
  color:var(--copper-400);
  font-weight:600;
}
.process-item h3{margin-bottom:8px;}

/* ---------- Citas ---------- */
blockquote{
  border-left:2px solid var(--copper-400);
  padding-left:22px;
  margin:32px 0;
  font-family:var(--font-head);
  font-style:italic;
  font-size:1.15rem;
  color:var(--text-primary);
}

/* ---------- Tablas ---------- */
table{width:100%;border-collapse:collapse;margin:24px 0;}
th,td{
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  font-size:.92rem;
}
th{color:var(--copper-400);font-weight:700;text-transform:uppercase;font-size:.76rem;letter-spacing:.06em;}
td{color:var(--text-secondary);}

/* ---------- Formulario de contacto ---------- */
.form-card{
  background:var(--navy-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px;
}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;
  font-size:.86rem;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text-secondary);
}
.form-row input,.form-row textarea,.form-row select{
  width:100%;
  background:var(--navy-900);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  padding:13px 14px;
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:.95rem;
}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  outline:none;
  border-color:var(--copper-400);
}
.form-row textarea{resize:vertical;min-height:130px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:.86rem;color:var(--text-muted);}
.checkbox-row input{width:auto;margin-top:3px;}
.form-success{
  display:none;
  background:rgba(90,180,140,0.12);
  border:1px solid rgba(120,200,160,0.4);
  color:#bfe8d3;
  border-radius:var(--radius-sm);
  padding:16px 18px;
  margin-bottom:22px;
  font-size:.92rem;
}
.form-success.visible{display:block;}
.form-error{
  display:none;
  background:rgba(200,90,90,0.12);
  border:1px solid rgba(220,120,120,0.4);
  color:#f0c4c4;
  border-radius:var(--radius-sm);
  padding:16px 18px;
  margin-bottom:22px;
  font-size:.92rem;
}
.form-error.visible{display:block;}

/* ---------- FAQ Accordion ---------- */
.accordion-item{border-bottom:1px solid var(--line);}
.accordion-trigger{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  padding:22px 4px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  cursor:pointer;
  color:var(--text-primary);
  font-family:var(--font-head);
  font-size:1.08rem;
}
.accordion-trigger .icon{
  flex:none;
  width:22px;height:22px;
  position:relative;
}
.accordion-trigger .icon::before,.accordion-trigger .icon::after{
  content:"";
  position:absolute;
  background:var(--copper-400);
  transition:transform .2s ease;
}
.accordion-trigger .icon::before{left:0;top:50%;width:100%;height:2px;transform:translateY(-50%);}
.accordion-trigger .icon::after{top:0;left:50%;width:2px;height:100%;transform:translateX(-50%);}
.accordion-item.open .icon::after{transform:translateX(-50%) rotate(90deg);opacity:0;}
.accordion-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.accordion-panel-inner{padding:0 4px 24px;color:var(--text-secondary);}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);border-top:1px solid var(--line);padding-top:70px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:50px;
}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{
  font-family:var(--font-body);
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--copper-400);
  margin-bottom:18px;
}
.footer-grid p{font-size:.9rem;color:var(--text-muted);}
.footer-grid ul{display:flex;flex-direction:column;gap:12px;}
.footer-grid a{font-size:.9rem;color:var(--text-secondary);}
.footer-grid a:hover{color:var(--copper-300);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:24px 0 32px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:.82rem;
  color:var(--text-muted);
}
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--copper-300);}

/* ---------- Utilidades ---------- */
.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tag-pill{
  border:1px solid var(--line-strong);
  border-radius:20px;
  padding:7px 16px;
  font-size:.82rem;
  color:var(--text-secondary);
}
.divider{height:1px;background:var(--line);margin:60px 0;}
.author-box{
  display:flex;
  gap:16px;
  align-items:center;
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--navy-800);
  margin:36px 0;
}
.author-box img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none;}
.author-box h4{margin:0 0 4px;font-size:1rem;}
.author-box span{font-size:.84rem;color:var(--text-muted);}
.toc{
  background:var(--navy-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 28px;
  margin:32px 0;
}
.toc h4{margin-bottom:14px;font-size:.9rem;text-transform:uppercase;letter-spacing:.06em;color:var(--copper-400);}
.toc ol{list-style:none;display:flex;flex-direction:column;gap:8px;counter-reset:toc;padding-left:0;}
.toc ol li{counter-increment:toc;font-size:.92rem;}
.toc ol li::before{content:counter(toc) ". ";color:var(--copper-400);font-weight:700;}
.toc a{color:var(--text-secondary);}
.toc a:hover{color:var(--text-primary);}

article.prose h2{margin-top:44px;}
article.prose h3{margin-top:30px;}
article.prose ul,article.prose ol{margin:0 0 1.2em;padding-left:1.3em;}
article.prose li{margin-bottom:.5em;color:var(--text-secondary);}
article.prose{max-width:760px;}

.stat-row{display:flex;gap:0;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;}
.stat-item{flex:1;min-width:160px;padding:26px 24px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-item .n{font-family:var(--font-head);font-size:1.9rem;color:var(--copper-400);display:block;}
.stat-item .l{font-size:.82rem;color:var(--text-muted);}

.cta-band{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:56px;
  text-align:center;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{max-width:560px;margin:0 auto 30px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

.map-embed{
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line);
}
.map-embed iframe{width:100%;height:320px;border:0;display:block;filter:invert(0.92) hue-rotate(180deg) brightness(0.95) contrast(0.9);}

@media (max-width:640px){
  section{padding:60px 0;}
  .form-card{padding:26px;}
  .cta-band{padding:36px 22px;}
}

/* ---------- Artículos (cuerpo de análisis) ---------- */
.article-meta{font-size:.9rem;color:var(--text-muted);}
.article-body{max-width:760px;padding-top:60px;padding-bottom:20px;}
.article-body h2{margin-top:44px;}
.article-body h3{margin-top:30px;}
.lead-paragraph{
  font-size:1.15rem;
  color:var(--text-secondary);
  font-family:var(--font-head);
}
.article-image-lead{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  margin-bottom:36px;
}
.article-image-inline{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  margin:36px 0;
}
.callout-box{
  background:var(--navy-800);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-md);
  padding:22px 26px;
  margin:32px 0;
}
.callout-box p{margin:0;font-size:.94rem;}
.article-list{padding-left:1.3em;margin:0 0 1.4em;}
.article-list li{margin-bottom:.7em;color:var(--text-secondary);}
.article-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.article-tags span{
  border:1px solid var(--line-strong);
  border-radius:20px;
  padding:6px 14px;
  font-size:.8rem;
  color:var(--text-secondary);
}
.related-articles{padding-top:20px;padding-bottom:100px;}
.related-articles h2{margin-bottom:26px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:900px){.related-grid{grid-template-columns:1fr;}}
.related-card{
  display:block;
  background:var(--navy-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  transition:border-color .2s ease, transform .2s ease;
}
.related-card:hover{border-color:var(--copper-400);transform:translateY(-3px);}
.related-tag{
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--copper-400);
  font-weight:700;
  display:block;
  margin-bottom:10px;
}
.related-card h3{font-size:1.05rem;margin:0;}

/* ---------- Páginas legales ---------- */
.legal-hero{
  background:radial-gradient(ellipse at top, var(--navy-800) 0%, var(--navy-950) 70%);
  border-bottom:1px solid var(--line);
  padding:70px 0 50px;
}
.legal-hero h1{margin-bottom:12px;}
.legal-meta{font-size:.88rem;color:var(--text-muted);}
.legal-body{max-width:760px;padding-top:56px;padding-bottom:100px;}
.legal-body h2{margin-top:40px;font-size:1.4rem;}
.legal-body h3{margin-top:26px;font-size:1.1rem;}
.legal-body ul{padding-left:1.3em;margin:0 0 1.2em;}
.legal-body li{margin-bottom:.6em;color:var(--text-secondary);}
.legal-table{width:100%;border-collapse:collapse;margin:22px 0 32px;font-size:.88rem;}
.legal-table th,.legal-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);}
.legal-table th{color:var(--copper-400);text-transform:uppercase;font-size:.72rem;letter-spacing:.06em;font-weight:700;}
.legal-table td{color:var(--text-secondary);}

/* ---------- Glosario ---------- */
.glossary-section{padding-top:56px;padding-bottom:80px;display:flex;flex-direction:column;gap:44px;}
.glossary-letter{
  font-family:var(--font-head);
  color:var(--copper-400);
  font-size:1.8rem;
  border-bottom:1px solid var(--line);
  padding-bottom:10px;
  margin-bottom:20px;
}
.glossary-list{display:flex;flex-direction:column;gap:22px;margin:0;}
.glossary-item dt{
  font-family:var(--font-head);
  font-weight:600;
  color:var(--text-primary);
  font-size:1.05rem;
  margin-bottom:6px;
}
.glossary-item dd{margin:0;color:var(--text-secondary);font-size:.95rem;}

/* ---------- Preguntas frecuentes ---------- */
.faq-section{padding-top:56px;padding-bottom:70px;display:flex;flex-direction:column;gap:50px;max-width:800px;margin:0 auto;}
.faq-group h2{font-size:1.3rem;margin-bottom:6px;}
.faq-group .accordion{margin-top:8px;}

/* ---------- Contacto ---------- */
.contact-section{padding-top:56px;padding-bottom:100px;}
.contact-grid{display:grid;grid-template-columns:.9fr 1.3fr;gap:56px;align-items:start;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info h2{margin-bottom:22px;font-size:1.3rem;}
.contact-info-list{display:flex;flex-direction:column;gap:20px;margin-bottom:30px;}
.contact-info-list li{display:flex;flex-direction:column;gap:4px;}
.contact-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--copper-400);font-weight:700;}
.contact-info-list a{color:var(--text-secondary);}
.contact-info-list a:hover{color:var(--copper-300);}
.contact-note{
  background:var(--navy-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 20px;
}
.contact-note p{margin:0;font-size:.88rem;}
.contact-form-wrap{background:var(--navy-800);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;}
.contact-form .form-row label{display:block;font-size:.86rem;font-weight:600;margin-bottom:8px;color:var(--text-secondary);}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;
  background:var(--navy-900);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  padding:13px 14px;
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:.95rem;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--copper-400);}
.contact-form textarea{resize:vertical;min-height:130px;}
.contact-form .field-error{border-color:#d98080;}
.form-submit{width:100%;justify-content:center;margin-top:6px;}
.form-hint{font-size:.8rem;color:var(--text-muted);margin-top:14px;text-align:center;}
.form-hint a{color:var(--text-secondary);}
.contact-section .form-success{
  background:rgba(90,180,140,0.12);
  border:1px solid rgba(120,200,160,0.4);
  border-radius:var(--radius-lg);
  padding:36px;
  text-align:center;
}
.contact-section .form-success h3{color:#bfe8d3;margin-bottom:12px;}
.contact-section .form-success p{color:#a8dcc0;margin:0;}

@media (max-width:640px){
  .contact-form-wrap{padding:24px;}
}