:root{
  --verde-cesped:#1F4D36;
  --verde-oscuro:#13301F;
  --dorado:#C9A24B;
  --dorado-claro:#E4C97A;
  --crema:#F2EDE3;
  --carbon:#22201C;
  --terracota:#A8542F;
  --linea: rgba(34,32,28,0.14);
  --linea-clara: rgba(242,237,227,0.22);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  background:var(--crema);
  color:var(--carbon);
  font-family:'IBM Plex Sans', sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,.serif{
  font-family:'Fraunces', serif;
  font-weight:600;
  letter-spacing:-0.01em;
}

.mono{
  font-family:'IBM Plex Mono', monospace;
  letter-spacing:0.04em;
  text-transform:uppercase;
}

a{color:inherit;text-decoration:none;}

.wrap{max-width:1080px;margin:0 auto;padding:0 28px;}

/* ---------- NAV ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(242,237,227,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--linea);
}
nav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:14px;}
.nav-brand .mono{font-size:11px;color:var(--verde-cesped);}
.nav-links{display:flex;gap:28px;font-size:13px;}
.nav-links .mono{color:var(--carbon);opacity:0.7;transition:opacity .2s;}
.nav-links .mono:hover{opacity:1;}
.nav-cta{
  background:var(--verde-cesped);color:var(--crema);
  padding:9px 18px;border-radius:2px;font-size:12px;
}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:96px 0 80px;
  overflow:hidden;
  background:
    radial-gradient(ellipse 700px 400px at 85% -10%, rgba(201,162,75,0.16), transparent),
    var(--crema);
}
.hero-field{
  position:absolute; inset:0;
  background-image: repeating-linear-gradient(90deg, transparent 0 159px, var(--linea) 159px 160px);
  opacity:0.5;
  mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;
}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:11px;color:var(--verde-cesped);margin-bottom:24px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--dorado);}

.hero h1{
  font-size:clamp(40px, 6vw, 68px);
  line-height:0.98;color:var(--verde-oscuro);
}
.hero h1 em{
  font-style:normal;color:var(--terracota);
}
.hero p.lead{
  margin-top:22px;font-size:17px;max-width:480px;opacity:0.82;
}

.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:2px;font-size:13px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--verde-cesped);color:var(--crema);}
.btn-ghost{border-color:var(--linea);color:var(--carbon);}

/* Medallón / sello 80 */
.medallion{
  position:relative;width:340px;height:340px;margin:0 auto;
}
.medallion svg{width:100%;height:100%;}
.medallion .ring{animation: spin 90s linear infinite;}
@keyframes spin{ to{ transform: rotate(360deg);} }
@media (prefers-reduced-motion: reduce){ .medallion .ring{animation:none;} }

/* ---------- SECCIÓN INSTITUCIONAL ---------- */
.section{padding:80px 0;border-top:1px solid var(--linea);}
.section-head{display:grid;grid-template-columns:200px 1fr;gap:32px;margin-bottom:48px;}
.section-num{font-size:12px;color:var(--dorado);padding-top:6px;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);color:var(--verde-oscuro);max-width:560px;}

.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--linea);border:1px solid var(--linea);margin-top:8px;
}
.stat{background:var(--crema);padding:28px 24px;}
.stat .num{font-family:'Fraunces',serif;font-size:32px;color:var(--verde-cesped);font-weight:600;}
.stat .label{font-size:12px;opacity:0.65;margin-top:6px;}

.institucional-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.institucional-grid p{font-size:15px;opacity:0.82;margin-bottom:16px;}
.pull-quote{
  border-left:2px solid var(--dorado);padding-left:20px;
  font-family:'Fraunces',serif;font-size:19px;color:var(--verde-oscuro);
  font-weight:500;line-height:1.4;
}

/* ---------- AGENDA ---------- */
.agenda-list{border-top:1px solid var(--linea);}
.agenda-item{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:baseline;
  padding:22px 0;border-bottom:1px solid var(--linea);
}
.agenda-item .hora{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--terracota);}
.agenda-item .titulo{font-size:16px;font-weight:500;}
.agenda-item .nota{font-size:12px;opacity:0.55;}

.info-banner{
  margin-top:40px;background:var(--verde-cesped);color:var(--crema);
  padding:32px;border-radius:2px;
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.info-banner .mono{font-size:11px;color:var(--dorado-claro);margin-bottom:6px;}
.info-banner h3{font-size:22px;}
.info-banner .lugar{font-size:13px;opacity:0.8;margin-top:4px;}

/* ---------- RSVP ---------- */
#rsvp{background:var(--verde-oscuro);color:var(--crema);border-top:none;}
#rsvp .section-head h2{color:var(--crema);}
#rsvp .section-num{color:var(--dorado-claro);}

.rsvp-card{
  max-width:560px;margin:0 auto;
  background:rgba(242,237,227,0.04);
  border:1px solid var(--linea-clara);
  padding:40px;border-radius:3px;
}

.rsvp-status{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;border-radius:2px;margin-bottom:28px;
  font-size:13px;
}
.rsvp-status.ok{background:rgba(201,162,75,0.12);border:1px solid rgba(201,162,75,0.35);}
.rsvp-status.error{background:rgba(168,84,47,0.15);border:1px solid rgba(168,84,47,0.4);}
.rsvp-status .dot{width:7px;height:7px;border-radius:50%;background:var(--dorado);flex-shrink:0;}
.rsvp-status.error .dot{background:var(--terracota);}

.field{margin-bottom:20px;}
.field label{
  display:block;font-size:11px;margin-bottom:8px;opacity:0.7;
  text-transform:uppercase;letter-spacing:0.06em;font-family:'IBM Plex Mono',monospace;
}
.field input, .field select{
  width:100%;background:transparent;border:1px solid var(--linea-clara);
  color:var(--crema);padding:13px 14px;font-size:14px;border-radius:2px;
  font-family:'IBM Plex Sans',sans-serif;
}
.field input::placeholder{color:rgba(242,237,227,0.4);}
.field input:focus, .field select:focus{
  outline:none;border-color:var(--dorado);
}
.field select option{color:#000;}
.field-org{
  background:rgba(201,162,75,0.08);border:1px solid rgba(201,162,75,0.3);
  padding:14px 16px;border-radius:2px;margin-bottom:24px;
}
.field-org .mono{font-size:10px;color:var(--dorado-claro);margin-bottom:4px;}
.field-org .org-nombre{font-family:'Fraunces',serif;font-size:18px;}
.field-org .cupo{font-size:12px;opacity:0.7;margin-top:6px;}

.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

.btn-rsvp{
  width:100%;background:var(--dorado);color:var(--verde-oscuro);
  padding:16px;border:none;border-radius:2px;font-weight:600;font-size:14px;
  cursor:pointer;margin-top:8px;transition:opacity .15s;
}
.btn-rsvp:hover{opacity:0.9;}
.btn-rsvp:disabled{opacity:0.4;cursor:not-allowed;}

.rsvp-empty{
  text-align:center;padding:20px 0;
}
.rsvp-empty .mono{color:var(--dorado-claro);font-size:12px;margin-bottom:10px;}
.rsvp-empty p{font-size:14px;opacity:0.75;max-width:380px;margin:0 auto;}

.rsvp-success{text-align:center;padding:20px 0;}
.rsvp-success .check{
  width:54px;height:54px;border-radius:50%;border:1px solid var(--dorado);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.rsvp-success h3{font-size:22px;margin-bottom:8px;}
.rsvp-success p{font-size:13px;opacity:0.75;}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--linea);padding:40px 0;}
footer .wrap{display:flex;justify-content:space-between;align-items:center;font-size:12px;opacity:0.6;}

@media (max-width: 760px){
  .hero-grid{grid-template-columns:1fr;}
  .medallion{width:240px;height:240px;}
  .section-head{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .institucional-grid{grid-template-columns:1fr;}
  .row-2{grid-template-columns:1fr;}
  .info-banner{grid-template-columns:1fr;text-align:left;}
  .nav-links{display:none;}
  .agenda-item{grid-template-columns:80px 1fr;}
  .agenda-item .nota{grid-column:2;}
}