/* ============================================================================
 * SPES — spes.ar. Identidad Alvarez Cordeyro, propuesta blanco y negro en clave
 * CLARA y luminosa (registro editorial sereno, tipo interfaz ChatGPT). Sin negro
 * intenso: texto en gris oscuro, fondos blanco/hueso. Cormorant para títulos y la
 * palabra SPES; Inter para cuerpo. Regla de color: bordó y celeste SOLO en los
 * vínculos (aristas de la red, botones a subdominios, acentos de relación/acción).
 * Tokens centralizados: para re-marcar se tocan solo estas variables.
 * ========================================================================== */
:root {
  --white: #ffffff;
  --hueso: #f7f6f3;
  --hueso-2: #f4f1ec;
  --ink: #2c2c2a;          /* texto principal: gris oscuro, NO negro puro */
  --ink-2: #3a3a38;
  --muted: #6b6b64;        /* texto secundario */
  --line: #e7e4de;         /* divisores suaves */
  --bordo: #3c131a;        /* color de vínculo / acción */
  --celeste: #156c97;      /* color de vínculo / acción (institucional) */
  --celeste-bright: #36a9e1; /* celeste para aristas de la demo */
  --maxw: 1080px;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .wordmark { font-family: "Cormorant Garamond", Georgia, serif; font-weight: 500; color: var(--ink); }
a { color: var(--celeste); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.wrap--narrow { max-width: 720px; }
.center { text-align: center; }

/* Header común (todas las páginas) */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.wordmark {
  font-family: "Cormorant Garamond", serif; font-weight: 600;
  font-size: 1.5rem; letter-spacing: 0.22em; color: var(--ink); text-decoration: none;
}
.site-nav { display: flex; gap: 26px; align-items: center; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; letter-spacing: 0.01em; }
.site-nav a:hover { color: var(--ink); }
.site-nav a.back::before { content: "← "; }

/* Botones = vínculo/acción (único lugar, con color, además de las aristas) */
.btn {
  display: inline-block; font-family: "Inter", sans-serif; font-weight: 600;
  font-size: 0.95rem; padding: 12px 24px; border-radius: var(--radius);
  text-decoration: none; color: #fff; transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn--bordo { background: var(--bordo); }
.btn--celeste { background: var(--celeste); }

/* Tags de vertiente */
.tag {
  display: inline-block; font-family: "Inter", sans-serif; font-weight: 600;
  font-size: 0.8rem; letter-spacing: 0.06em; padding: 5px 14px; border-radius: 999px; color: #fff;
}
.tag--bordo { background: var(--bordo); }
.tag--celeste { background: var(--celeste); }

/* Secciones (todas claras; el ritmo se hace con blanco/hueso + mucho aire) */
.section { padding: 100px 0; }
.section--hueso { background: var(--hueso); }
.section--bordered { border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(2rem, 4.4vw, 2.9rem); margin-bottom: 18px; }
.lead { font-size: 1.24rem; color: var(--ink-2); }
.sub { color: var(--muted); max-width: 640px; margin-bottom: 8px; font-size: 1.05rem; }
.center .sub, .sub.center { margin-left: auto; margin-right: auto; }

/* Hero (home) */
.hero { padding: clamp(96px, 15vh, 168px) 0 clamp(72px, 10vh, 120px); }
.hero .wordmark-xl { font-family: "Cormorant Garamond", serif; font-weight: 600; font-size: clamp(4.5rem, 18vw, 11rem); line-height: 0.92; letter-spacing: 0.03em; color: var(--ink); }
.hero__lead { font-family: "Cormorant Garamond", serif; font-size: clamp(1.5rem, 3.2vw, 2.3rem); color: var(--ink-2); margin-top: 18px; max-width: 720px; }
.hero__triad { margin-top: 24px; display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; letter-spacing: 0.18em; text-transform: uppercase; }

/* Vertientes = dos tarjetas-botón */
.vertientes { margin-top: 46px; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.vertiente { background: var(--white); border: 1px solid var(--line); border-top-width: 3px; border-radius: var(--radius); padding: 34px 32px; display: flex; flex-direction: column; }
.vertiente--bordo { border-top-color: var(--bordo); }
.vertiente--celeste { border-top-color: var(--celeste); }
.vertiente h3 { font-size: 1.9rem; margin: 14px 0 10px; }
.vertiente p { color: var(--muted); font-size: 1.02rem; flex: 1; }
.vertiente .btn { margin-top: 22px; align-self: flex-start; }

/* Demo de red */
.demo { padding-bottom: 64px; }
.demo__stage { margin: 38px auto 0; max-width: 1180px; padding: 0 16px; }
#spes-network {
  display: block; width: 100%; height: 500px; background: var(--hueso);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.demo__note { margin-top: 20px; color: var(--muted); font-size: 0.86rem; }

/* Campos */
.campos { margin-top: 28px; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.campos li { font-family: "Cormorant Garamond", serif; font-size: 1.5rem; color: var(--ink); padding: 16px 4px; border-bottom: 1px solid var(--line); }

/* Principio */
.principio { padding: clamp(88px, 13vh, 140px) 0; }
.principio__line { font-family: "Cormorant Garamond", serif; font-size: clamp(1.9rem, 4.6vw, 3rem); color: var(--ink); line-height: 1.15; }
.principio__sub { margin-top: 16px; color: var(--muted); font-size: 1.05rem; }

/* Subpáginas (patrón reutilizable) */
.page { padding: clamp(72px, 10vh, 120px) 0 40px; }
.page__tag { margin-bottom: 16px; }
.page h1 { font-size: clamp(2.6rem, 6vw, 4rem); line-height: 1.05; }
.page__lead { font-size: 1.28rem; color: var(--ink-2); max-width: 720px; margin-top: 18px; }
.attrs { margin-top: 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.attr { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
.attr h3 { font-size: 1.4rem; margin-bottom: 8px; }
.attr p { color: var(--muted); font-size: 0.98rem; }
.attr .mark { display: inline-block; width: 26px; height: 3px; border-radius: 2px; margin-bottom: 14px; }
.mark--bordo { background: var(--bordo); }
.mark--celeste { background: var(--celeste); }
.callout { background: var(--hueso); border: 1px solid var(--line); border-left: 4px solid var(--celeste); border-radius: var(--radius); padding: 26px 28px; max-width: 760px; }
.callout--bordo { border-left-color: var(--bordo); }
.callout .t { font-family: "Cormorant Garamond", serif; font-weight: 600; font-size: 1.5rem; margin-bottom: 8px; }
.callout p { color: var(--ink-2); }
.prose p { color: var(--ink-2); font-size: 1.08rem; max-width: 720px; margin-bottom: 18px; }

/* Footer */
.site-footer { padding: 40px 0; border-top: 1px solid var(--line); font-size: 0.92rem; color: var(--muted); }
.site-footer .wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.site-footer__mark { font-family: "Cormorant Garamond", serif; font-size: 1.2rem; letter-spacing: 0.16em; color: var(--ink); }
.site-footer__sep { color: var(--line); }
.site-footer a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.site-footer a:hover { color: var(--celeste); }

/* Responsive */
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .wrap { padding: 0 22px; }
  .vertientes { grid-template-columns: 1fr; }
  .site-nav { gap: 16px; }
  #spes-network { height: 58vh; min-height: 360px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ============================================================================
 * SPES RARE — aviso médico, marcadores de revisión y prosa del caso.
 * Acento bordó para destacar el aviso; sobrio, sin alarmismo visual.
 * ========================================================================== */
.disclaimer {
  background: var(--hueso); border: 1px solid var(--line);
  border-left: 5px solid var(--bordo); border-radius: var(--radius);
  padding: 26px 30px; max-width: 840px; margin: 6px 0 10px;
}
.disclaimer .t { font-family: "Inter", sans-serif; font-weight: 700; color: var(--bordo); letter-spacing: 0.05em; font-size: 0.82rem; margin-bottom: 12px; }
.disclaimer p { color: var(--ink); font-size: 0.98rem; }

.rev {
  display: inline-block; font-family: "Inter", sans-serif; font-weight: 600;
  font-size: 0.7rem; letter-spacing: 0.04em; color: var(--bordo);
  border: 1px solid var(--bordo); border-radius: 6px; padding: 1px 7px; margin: 0 2px; white-space: nowrap;
}

/* Prosa del caso */
/* Marcador de fuente inline (más liviano que .rev) */
.src-ref { font-family: "Inter", sans-serif; font-size: 0.76rem; color: var(--muted); letter-spacing: 0.01em; white-space: nowrap; }
.case h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); margin: 6px 0 6px; }
.case h2 .num { color: var(--muted); font-weight: 400; margin-right: 8px; }
.case h3 { font-size: 1.35rem; margin: 24px 0 8px; color: var(--ink); }
.case p { color: var(--ink-2); font-size: 1.05rem; max-width: 780px; margin-bottom: 16px; }
.case .intro { color: var(--muted); font-size: 1.02rem; }

/* Caja de la hipótesis (grado) */
.grado {
  background: var(--hueso); border: 1px solid var(--line);
  border-left: 4px solid var(--bordo); border-radius: var(--radius);
  padding: 26px 28px; max-width: 840px;
}
.grado .t { font-family: "Inter", sans-serif; font-weight: 700; color: var(--bordo); font-size: 0.84rem; letter-spacing: 0.03em; margin-bottom: 12px; }
.grado p { color: var(--ink-2); font-size: 1.02rem; }
.grado b { color: var(--ink); }

/* Cierre del caso */
.case-close { margin-top: 8px; color: var(--muted); font-size: 0.95rem; font-style: italic; max-width: 780px; }

/* Lista "qué no hace" */
.no-list { margin-top: 20px; max-width: 760px; }
.no-list li { list-style: none; padding: 12px 0 12px 26px; position: relative; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.no-list li::before { content: "—"; position: absolute; left: 0; color: var(--bordo); }

/* ============================================================================
 * HERO NEGATIVO SPES RARE — intro oscura petroleo, como spesmed.com.ar.
 * ========================================================================== */
:root{
  --petrol: #14567a;
  --petrol-deep: #0e3f57;
  --grad-hero: radial-gradient(95% 85% at 72% 118%, #4bb4e8 0%, var(--petrol) 26%, var(--petrol-deep) 62%);
}
.site-header{ position:static; background:var(--petrol-deep); border-bottom:none; }
.site-header .wordmark{ color:#dff1fb; }
.site-header .site-nav a{ color:#bfe6fa; }
section.page{ background:var(--grad-hero); color:#fff; position:relative; overflow:hidden; padding-bottom:104px; }
section.page h1{ color:#fff; }
section.page .page__lead{ color:rgba(255,255,255,0.86); }
section.page .page__lead strong{ color:#fff; }
section.page .tag--celeste{ background:rgba(255,255,255,0.14); color:#eaf6fe; border:1px solid rgba(255,255,255,0.3); }
section.page::after{ content:""; position:absolute; right:28px; bottom:36px; width:120px; height:64px;
  background:repeating-linear-gradient(90deg, #bfe6fa 0 2px, transparent 2px 13px); opacity:0.8; pointer-events:none; }
@media (max-width:640px){ section.page::after{ display:none; } }