/* ==========================================================================
   AeraAccess — Plataforma de Accesibilidad al Transporte Aéreo
   Hoja de estilos común a todas las páginas. v2.0 (arquitectura multipágina)
   ========================================================================== */

:root{
  --sand-1:#EFE3C8;
  --sand-2:#E3D2A8;
  --sand-3:#D8C091;
  --ocean:#1B3A5C;
  --ocean-deep:#0F2742;
  --coral:#C8623D;
  --coral-light:#E08A5F;
  --ink:#232830;
  --gold:#C99A3E;
  --white:#FFFCF6;
  --line: rgba(27,58,92,0.15);
  --shadow-sand: 0 14px 40px rgba(120,90,40,0.18);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter', sans-serif;
  color:var(--ink);
  background:var(--sand-1);
  overflow-x:hidden;
}
::selection{ background: var(--coral); color:var(--white); }
h1,h2,h3,h4{ font-family:'Fraunces', serif; font-weight:600; letter-spacing:-0.01em; }

/* Foco visible: requisito WCAG 2.4.7 */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
  outline:3px solid var(--coral); outline-offset:3px; border-radius:4px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ocean); color:var(--white); padding:12px 20px;
  font-weight:700; font-size:0.9rem; border-radius:0 0 10px 0;
}
.skip-link:focus{ left:0; }

.eyebrow{
  font-family:'Inter', sans-serif;
  font-weight:700;
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--coral);
}

/* ===== Fondo de arena ===== */
.sand-bg{
  position:relative;
  background:
    radial-gradient(ellipse 120% 60% at 20% 0%, rgba(255,252,240,0.5), transparent 60%),
    linear-gradient(180deg, var(--sand-1) 0%, var(--sand-2) 55%, var(--sand-3) 100%);
}
.sand-bg::before{
  content:"";
  position:absolute; inset:0;
  pointer-events:none;
  opacity:0.5;
  background-image:
    radial-gradient(circle at 8% 22%, rgba(120,90,40,0.10) 0, transparent 1.4%),
    radial-gradient(circle at 18% 64%, rgba(120,90,40,0.08) 0, transparent 1.1%),
    radial-gradient(circle at 30% 12%, rgba(120,90,40,0.09) 0, transparent 1.3%),
    radial-gradient(circle at 44% 80%, rgba(120,90,40,0.07) 0, transparent 1%),
    radial-gradient(circle at 56% 35%, rgba(120,90,40,0.09) 0, transparent 1.2%),
    radial-gradient(circle at 68% 60%, rgba(120,90,40,0.08) 0, transparent 1%),
    radial-gradient(circle at 78% 18%, rgba(120,90,40,0.1) 0, transparent 1.4%),
    radial-gradient(circle at 88% 75%, rgba(120,90,40,0.07) 0, transparent 1%),
    radial-gradient(circle at 95% 40%, rgba(120,90,40,0.09) 0, transparent 1.2%),
    radial-gradient(circle at 12% 90%, rgba(120,90,40,0.08) 0, transparent 1.1%);
  background-size: 340px 340px;
  mix-blend-mode:multiply;
}
.sand-bg > *{ position:relative; z-index:1; }

/* ===== Hero ===== */
.hero-img-bg{ position:relative; }
.hero-sky{
  background:linear-gradient(180deg, #0B1D33 0%, #16324F 42%, #24507F 70%, #5C97CE 90%, #8FC2EC 100%);
}
.hero-photo{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio: 851 / 342;
  object-fit:fill;
}
.hero-wordmark{
  font-family:'Fraunces',serif; font-weight:700;
  font-size:clamp(3rem, 16.5vw, 13.5rem); color:var(--white); line-height:1.0;
  margin:0 auto 18px; text-shadow:0 4px 24px rgba(0,0,0,0.4); white-space:nowrap;
  letter-spacing:-0.01em; display:block;
}

/* ===== Cabecera y navegación ===== */
header.site{
  position:sticky; top:0; z-index:100;
  background:rgba(239,227,200,0.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1180px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand img{ width:42px; height:42px; border-radius:50%; }
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-text strong{ font-family:'Fraunces',serif; font-size:1.02rem; font-weight:700; color:var(--ocean); letter-spacing:0.01em;}
.brand-text span{ font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--coral); font-weight:700;}

nav.links{ display:flex; gap:4px; flex-wrap:wrap; }
nav.links a{
  font-family:'Inter',sans-serif; font-size:0.82rem; font-weight:600;
  background:none; border:none; text-decoration:none; color:var(--ocean);
  padding:9px 13px; border-radius:30px; transition:all .25s ease;
  letter-spacing:0.01em; white-space:nowrap;
}
nav.links a:hover{ background:rgba(27,58,92,0.08); }
nav.links a[aria-current="page"]{ background:var(--ocean); color:var(--white); }
.lang-link{ border:1px solid var(--line); }

.menu-toggle{ display:none; background:none; border:1px solid var(--ocean); border-radius:8px; width:40px; height:40px; cursor:pointer; align-items:center; justify-content:center;}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--ocean); position:relative; transition:.2s;
}
.menu-toggle span::before{ position:absolute; top:-6px; }
.menu-toggle span::after{ position:absolute; top:6px; }

.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }
.wrap-narrow{ max-width:820px; margin:0 auto; padding:0 28px; }

/* ===== Migas de pan ===== */
.breadcrumb{ background:var(--white); border-bottom:1px solid var(--line); }
.breadcrumb ol{ list-style:none; display:flex; flex-wrap:wrap; gap:8px; align-items:center;
  max-width:1180px; margin:0 auto; padding:12px 28px; font-size:0.8rem; color:#5b6470; }
.breadcrumb a{ color:var(--ocean); text-decoration:none; font-weight:600; }
.breadcrumb a:hover{ text-decoration:underline; }
.breadcrumb li + li::before{ content:"›"; margin-right:8px; color:var(--sand-3); }

/* ===== Cabecera de página ===== */
.page-head{ padding:60px 0 52px; }
.page-head h1{ color:var(--ocean); font-size:clamp(2rem,4vw,3.1rem); max-width:860px; line-height:1.08; }
.page-head .lead{ max-width:720px; margin-top:20px; line-height:1.75; font-size:1.05rem; color:#3c4450; }

/* ===== Tipografía de contenido largo ===== */
.prose{ max-width:760px; }
.prose h2{
  color:var(--ocean); font-size:1.45rem; margin:48px 0 16px; position:relative; padding-top:8px;
}
.prose h2::before{
  content:""; display:block; width:34px; height:3px; background:var(--coral); margin-bottom:14px; border-radius:2px;
}
.prose h3{ color:var(--ocean); font-size:1.12rem; margin:30px 0 10px; }
.prose p{ font-size:1rem; line-height:1.85; color:#373f4a; margin-bottom:18px; }
.prose ul, .prose ol{ margin:0 0 20px 22px; }
.prose li{ line-height:1.8; color:#373f4a; margin-bottom:9px; }
.prose a{ color:var(--ocean); font-weight:600; text-decoration:underline; text-underline-offset:3px; }
.prose a:hover{ color:var(--coral); }
.prose strong{ color:var(--ocean); }
.prose em{ color:#4a5460; }
.lead-para{
  font-family:'Fraunces',serif; font-size:1.22rem; line-height:1.65; color:var(--ocean);
  font-weight:500; margin-bottom:34px; padding-bottom:32px; border-bottom:1px solid var(--line);
}

/* ===== Componentes ===== */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Inter',sans-serif; font-weight:700; font-size:0.86rem;
  padding:13px 26px; border-radius:40px; cursor:pointer; text-decoration:none;
  border:1.5px solid transparent; transition:all .25s ease; letter-spacing:0.01em;
}
.btn-primary{ background:var(--coral); color:var(--white); }
.btn-primary:hover{ background:#B0512F; transform:translateY(-2px); box-shadow:0 10px 24px rgba(200,98,61,0.35);}
.btn-outline{ border-color:var(--ocean); color:var(--ocean); background:transparent; }
.btn-outline:hover{ background:var(--ocean); color:var(--white); }
.btn-hero-white{ background:var(--white); color:var(--ocean); border-color:var(--white); }
.btn-hero-white:hover{ background:var(--sand-1); transform:translateY(-2px); box-shadow:0 10px 24px rgba(0,0,0,0.25); }

.card{
  background:rgba(255,252,240,0.7);
  border:1px solid var(--line);
  border-radius:18px;
  padding:30px;
  backdrop-filter: blur(4px);
}
.dot{ width:9px; height:9px; border-radius:50%; background:var(--coral); flex-shrink:0; display:inline-block; }

.pull{
  border-left:3px solid var(--coral); padding-left:22px; margin:0 0 34px;
  display:flex; flex-direction:column; gap:14px;
}
.pull p{ font-family:'Fraunces',serif; font-style:italic; font-size:1.08rem; color:var(--coral); line-height:1.5; }

.need{
  background:var(--sand-1); border-radius:14px; padding:18px 22px; margin:18px 0 26px;
  font-size:0.97rem; line-height:1.75; color:#2c3540;
}
.need strong{ color:var(--ocean); }

.norm{
  background:var(--white); border:1px solid var(--line); border-left:4px solid var(--ocean);
  border-radius:0 14px 14px 0; padding:18px 22px; margin:22px 0 26px;
  font-size:0.93rem; line-height:1.75; color:#3c4450;
}
.norm strong{ color:var(--ocean); }

.stat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:18px; margin-top:34px; }
.stat-grid .card{ padding:24px; }
.stat-num{ font-family:'Fraunces',serif; font-size:1.8rem; color:var(--coral); font-weight:600; }
.stat-txt{ font-size:0.9rem; color:#5b6470; margin-top:6px; line-height:1.6; }

/* Tarjetas de navegación */
.home-btn{
  background:var(--white); border:1px solid var(--line); border-radius:18px;
  padding:28px 22px; text-align:left; transition:all .3s ease; text-decoration:none;
  display:flex; flex-direction:column; gap:6px; font-family:'Inter',sans-serif;
}
.home-btn:hover{ transform:translateY(-5px); box-shadow:0 18px 34px rgba(27,58,92,0.14); border-color:var(--ocean); }
.hb-num{ font-family:'Fraunces',serif; font-size:1.5rem; color:var(--coral); font-weight:600; }
.hb-title{ font-family:'Fraunces',serif; font-size:1.12rem; color:var(--ocean); font-weight:600; }
.hb-sub{ font-size:0.88rem; color:#5b6470; line-height:1.6; }
.grid-auto{ display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:18px; }

/* Acordeón */
details.acc{
  background:var(--white); border:1px solid var(--line); border-radius:16px; padding:6px 26px;
  transition:all .25s ease; margin-bottom:16px;
}
details.acc[open]{ box-shadow:0 14px 30px rgba(27,58,92,0.1); }
details.acc summary{
  cursor:pointer; list-style:none; padding:18px 0; font-family:'Fraunces',serif;
  font-size:1.12rem; font-weight:600; color:var(--ocean); display:flex; align-items:center; gap:14px;
}
details.acc summary::-webkit-details-marker{ display:none; }
details.acc summary::after{ content:"+"; margin-left:auto; font-size:1.4rem; color:var(--coral); font-weight:400; }
details.acc[open] summary::after{ content:"–"; }
.acc-tag{
  font-family:'Inter',sans-serif; font-weight:700; font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase;
  background:rgba(200,98,61,0.12); color:var(--coral); padding:5px 11px; border-radius:20px; flex-shrink:0;
}
.acc-body{ padding:0 0 22px 0; line-height:1.75; color:#3c4450; font-size:0.96rem; }
.acc-body p{ margin-bottom:12px; }
.acc-body strong{ color:var(--ocean); }

/* Preguntas frecuentes */
.faq h3{
  color:var(--ocean); font-size:1.08rem; margin:26px 0 8px; font-family:'Fraunces',serif;
}
.faq p{ line-height:1.8; color:#373f4a; margin-bottom:6px; }

/* Documentos */
.doc-card{
  background:var(--white); border:1px solid var(--line); border-radius:18px; padding:28px;
  display:flex; flex-direction:column; gap:10px; transition:all .25s ease;
}
.doc-card:hover{ transform:translateY(-4px); box-shadow:0 16px 30px rgba(27,58,92,0.12); }
.doc-icon{
  width:44px; height:44px; border-radius:10px; background:var(--ocean); color:var(--white);
  display:flex; align-items:center; justify-content:center; font-size:0.7rem; font-weight:700; letter-spacing:0.04em;
  font-family:'Inter',sans-serif;
}
.doc-card h3{ font-family:'Fraunces',serif; color:var(--ocean); font-size:1.08rem; margin-top:6px; }
.doc-card p{ font-size:0.9rem; line-height:1.65; color:#555; flex-grow:1; }
.doc-tag{ font-size:0.7rem; font-weight:700; letter-spacing:0.05em; text-transform:uppercase; color:var(--coral); margin-top:4px; }

/* Línea de tiempo */
.timeline{ position:relative; padding-left:34px; max-width:760px; }
.timeline::before{
  content:""; position:absolute; left:6px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(var(--coral), var(--ocean));
}
.tl-item{ position:relative; padding-bottom:40px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-dot{
  position:absolute; left:-34px; top:4px; width:14px; height:14px; border-radius:50%;
  background:var(--white); border:3px solid var(--coral);
}

/* Cadena conceptual */
.conn-grid{ display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:0; }
.conn-item{
  display:flex; flex-direction:column; align-items:center; gap:8px; padding:20px;
  font-family:'Fraunces',serif; font-weight:600; color:var(--ocean); font-size:1rem; text-align:center; min-width:120px;
}
.conn-num{ font-size:1.6rem; color:var(--coral); }
.conn-line{ width:50px; height:2px; background:var(--sand-3); }

/* Bloque de enlaces relacionados */
.related{ background:var(--white); border-top:1px solid var(--line); padding:52px 0 60px; }
.related h2{ color:var(--ocean); font-size:1.3rem; margin-bottom:22px; }

/* Llamada final */
.cta-band{ background:var(--ocean); color:var(--white); padding:56px 0; text-align:center; }
.cta-band h2{ color:var(--white); font-size:clamp(1.4rem,2.6vw,1.9rem); margin-bottom:14px; }
.cta-band p{ max-width:620px; margin:0 auto 24px; line-height:1.75; color:rgba(255,252,240,0.86); }

/* Formulario */
.field{ padding:13px 16px; border-radius:10px; border:1px solid var(--line); background:var(--white); font-family:'Inter',sans-serif; width:100%; }

/* Pie */
footer{ background:var(--ocean-deep); color:rgba(255,252,240,0.82); padding:54px 0 28px; }
footer .wrap{ display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between; }
footer h4{ color:var(--white); font-size:1rem; margin-bottom:14px; }
footer p, footer a{ font-size:0.88rem; color:rgba(255,252,240,0.72); line-height:1.8; text-decoration:none; }
footer a:hover{ color:var(--coral-light); }
footer nav a{ display:block; }
.foot-quote{ font-family:'Fraunces',serif; font-style:italic; font-size:1rem; max-width:380px; color:rgba(255,252,240,0.85); line-height:1.6;}
.foot-bottom{ border-top:1px solid rgba(255,252,240,0.14); margin-top:40px; padding-top:20px; text-align:center; font-size:0.76rem; color:rgba(255,252,240,0.5); line-height:1.7; }
.foot-bottom a{ color:inherit; text-decoration:underline; font-size:0.76rem; }

::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--sand-1); }
::-webkit-scrollbar-thumb{ background:var(--sand-3); border-radius:10px; }

@media (max-width: 880px){
  nav.links{ display:none; }
  .menu-toggle{ display:flex; }
  nav.links.mobile-open{
    display:flex; flex-direction:column; position:fixed; top:70px; left:0; right:0;
    background:var(--sand-1); padding:14px 20px; gap:4px; border-bottom:1px solid var(--line);
    box-shadow:0 20px 30px rgba(0,0,0,0.08); max-height:calc(100vh - 70px); overflow-y:auto;
  }
  .grid-2{ grid-template-columns:1fr !important; }
}
@media (max-width:700px){ .conn-line{ width:2px; height:30px; } }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition:none !important; }
}