/* ---------- Longevidad y Salud 360 — STYLE V24 (desktop restaurado + fix footer móvil) ---------- */

/* Paleta */
:root{
  --bg:#ffffff;        /* fondo principal */
  --paper:#ffffff;     /* tarjetas */
  --muted-bg:#f6f7f9;  /* secciones suaves */
  --ink:#111827;       /* texto principal */
  --ink-2:#374151;     /* texto secundario elegante */
  --ink-3:#6b7280;     /* apoyo */

  /* CTA azul corporativo */
  --cta:#1C69D4;
  --cta-2:#3573E3;

  --line:#e5e7eb;      /* bordes sutiles */
  --shadow-md:0 6px 20px rgba(17,24,39,.08);
  --shadow-lg:0 16px 40px rgba(17,24,39,.12);
}

/* Reset */
*{box-sizing:border-box;word-break:break-word}
html,body{margin:0;padding:0;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}

/* Tipo */
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1{font-size:44px;line-height:1.08;margin:0 0 12px;color:var(--ink)}
h2{font-size:32px;line-height:1.15;margin:0 0 10px;color:var(--ink)}
h3{font-size:20px;margin:0 0 8px;color:var(--ink)}
p{font-size:16px;line-height:1.7;margin:10px 0;color:var(--ink-3)}
.lead{font-size:18px;color:var(--ink-2) !important}
small{color:var(--ink-3)}

/* Layout (márgenes laterales generosos) */
.container{
  max-width:1160px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:80px 0}
.section.alt{background:var(--muted-bg)}
.section.soft{background:#fff}

/* Header */
header.site{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--line);
}
header.site .container{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 32px;
}
.logo{display:flex;align-items:center;gap:10px}
.logo img{max-height:54px;width:auto;object-fit:contain}
.logo .word{display:none}

/* Nav */
.navbar{display:flex;align-items:center;gap:18px;margin-right:8px}
.navbar>a,.navbar>.dropdown>a{
  font-size:15px;font-weight:600;color:var(--ink);
  padding:10px 0;white-space:nowrap;transition:opacity .15s ease;
}
.navbar>a:hover,.navbar>.dropdown>a:hover{opacity:.7}

/* Dropdown */
.dropdown{position:relative}
.dropdown>a{display:flex;align-items:center}
.dropdown>a::after{content:""} /* sin símbolo */
.menu{
  position:absolute;top:100%;left:0;margin-top:10px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:8px;display:none;min-width:300px;
}
.menu a{
  display:block;padding:10px 12px;border-radius:10px;
  color:var(--ink-2);font-size:14px;font-weight:500;
}
.menu a:hover{background:#f3f4f6}
.dropdown:hover .menu{display:block}

/* Botones (azules) */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 18px;border-radius:12px;font-weight:800;font-size:14px;
  border:1px solid transparent;color:#fff;
  background:linear-gradient(135deg,var(--cta),var(--cta-2));
  box-shadow:0 10px 24px rgba(28,105,212,.25);
  transition:transform .12s ease,opacity .12s ease;
}
.btn:hover{transform:translateY(-1px);opacity:.95}
.btn.gpt{
  background:#ffffff;color:var(--ink-2);
  border:1px solid var(--line);box-shadow:none;
}
.btn.gpt:hover{background:#f9fafb}

/* Burger / menú móvil */
#navcheck{position:absolute;opacity:0;pointer-events:none}
.burger{display:none;cursor:pointer;margin-right:10px}
.burger span{width:24px;height:2px;margin:5px 0;background:var(--ink);display:block}

/* Tarjetas & utilidades de grid */
.card{
  position:relative;border:1px solid var(--line);
  border-radius:14px;padding:18px;background:var(--paper);
  box-shadow:var(--shadow-md);
}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* HERO + KPIs */
.hero{display:grid;gap:28px;grid-template-columns:repeat(2,minmax(0,1fr))}
.hero-visual{
  border-radius:16px;padding:20px;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-md);
}
.kpis{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.kpi .value,.kpis .card .value{font-size:30px;font-weight:900;color:var(--ink)}
.kpis .card small{color:var(--ink-3)}
@media(min-width:981px){.kpis .card:last-child{grid-column:1 / -1 !important;}}

/* ===== BENEFICIOS 4 columnas (sin separación visual) ===== */
.benefits{
  list-style:none;padding:0;margin:0;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.benefit{
  text-align:center;padding:10px 12px;
  background:transparent;border:none;box-shadow:none;
}
.benefit-ico{font-size:30px;line-height:1;margin-bottom:8px}
.benefit h3{margin:0 0 4px;font-size:18px;color:var(--ink)}
.benefit p{margin:0;color:var(--ink-3)}

/* ===== TWO-COL (¿Qué es la medicina...?) ===== */
.two-col{
  display:grid;gap:30px;grid-template-columns:1fr 1fr;align-items:center;
}
.two-col__right img{
  width:100%;height:auto;border-radius:14px;border:1px solid var(--line);
  box-shadow:var(--shadow-md);display:block;object-fit:cover;
}
.pills{
  display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 0 0;padding:0;list-style:none;
}
.pills li{
  padding:8px 12px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;
}

/* ===== FAQ 2 columnas ===== */
.faq-grid{
  display:grid;gap:22px;
  grid-template-columns:1fr 1fr; /* dos columnas iguales */
  margin-top:18px;
}
.faq-col{display:flex;flex-direction:column;gap:12px}

.faq-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:14px 16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:10px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"▸";font-size:16px;color:var(--ink-2);margin-left:auto;transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(90deg)}
.faq-item .answer{padding:0 16px 14px 16px;color:var(--ink-2)}
.faq-item:focus-within{outline:2px solid #dbeafe;outline-offset:2px}

/* =======================
   FOOTER 4 columnas (claro, sin separadores)
   ======================= */
.footer{
  background:#f7f8fb; /* claro y limpio */
  color:#0b1220;
  padding:56px 0 24px;
}
.footer .container{
  display:grid; gap:28px;
  grid-template-columns:2fr 1fr 1fr 1fr;
  align-items:start;
}

/* Columna 1: marca/resumen (sin logo grande) */
.footer .logo img{max-height:40px}
.footer .brand-copy{ margin:10px 0 12px; color:#374151; line-height:1.7; }
.footer .tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:6px; }
.footer .tags span{
  font-size:12px; color:#0b1220; background:#a5b4fc; border-radius:999px; padding:6px 10px; font-weight:800;
}

/* Columnas 2–4 */
.footer h4{
  margin:0 0 10px; font-size:15px; color:#0b1220; font-weight:800; letter-spacing:.2px;
}
.footer ul{ list-style:none; padding:0; margin:0; }
.footer li{ margin:8px 0; }
.footer a{ color:#1f3a8a; }
.footer a:hover{ text-decoration:underline; color:#0b1220; }

/* Línea legal inferior (sin separar columnas) */
.footer-bottom{
  margin-top:18px; text-align:center;
}
.footer-bottom small{ color:#6b7280; }

/* Responsivo */
@media (max-width:1100px){
  .container{max-width:1024px;padding:0 28px}
  header.site .container{padding:12px 28px}
  h1{font-size:40px} h2{font-size:28px}
  .footer .container{ grid-template-columns:1.4fr 1fr 1fr; }
}
@media (max-width:980px){
  .container{padding:0 24px}
  header.site .container{padding:12px 24px}

  .burger{display:block}
  .navbar{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:#fff;border-top:1px solid var(--line);
    padding:14px 24px;box-shadow:var(--shadow-md);
    flex-direction:column;gap:10px;
  }
  #navcheck:checked ~ .navbar{display:flex}

  /* Menú Servicios expandido en móvil */
  .dropdown:hover .menu{display:none}
  .dropdown .menu{
    position:static;margin:0;border:none;border-radius:10px;
    padding:6px;background:transparent;box-shadow:none;display:block;min-width:0;width:100%;
  }
  .dropdown .menu a{padding:10px 8px;border-radius:8px}

  .grid-2,.grid-3,.hero{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .benefit{padding:12px}

  .two-col{grid-template-columns:1fr}
  .two-col__right{order:-1}
  .hero-visual{padding:16px}
  .kpis{grid-template-columns:1fr !important;gap:12px !important}
  .kpis .card:last-child{grid-column:auto !important}

  /* FAQ: de 2 columnas a 1 en móvil */
  .faq-grid{grid-template-columns:1fr}

  /* Footer: 2 columnas */
  .footer .container{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .container{padding:0 18px}
  header.site .container{padding:12px 18px}
  h1{font-size:34px}
  .grid-4{grid-template-columns:1fr}

  /* Footer: 1 columna y texto SIN cortes feos en móvil (solo footer) */
  .footer .container{ grid-template-columns:1fr; }
  .footer, .footer *{
    word-break:normal !important;
    overflow-wrap:anywhere !important;
    hyphens:auto !important;
    white-space:normal !important;
  }
  .footer ul li a{ display:block; }
}

/* Anti-desbordes globales (mantén como estaba) */
.container,.section,.hero,.navbar,.menu{max-width:100%}
.card{max-width:100%;overflow:hidden}

/* ========== WhatsApp FAB (solo icono) ========== */
.wa-fab{
  position:fixed!important; right:16px!important; bottom:16px!important; z-index:9999!important;
  display:inline-flex!important; align-items:center; justify-content:center;
  width:52px; height:52px; border-radius:999px; background:#25D366; color:#fff!important;
  text-decoration:none!important; box-shadow:0 10px 24px rgba(0,0,0,.18); border:1px solid rgba(0,0,0,.06);
}
.wa-fab:hover{ transform:translateY(-1px); }
.wa-icon{ width:24px; height:24px; display:block; object-fit:contain; }
@media (max-width:640px){
  .wa-fab{ width:56px; height:56px; right:14px; bottom:14px; }
  .wa-icon{ width:26px; height:26px; }
}