/* ============================================================
   CISMUN — Cambridge International School Model United Nations
   Hoja de estilos compartida (boceto de diseño)
   ============================================================ */

:root{
  --navy:#16233B;
  --navy-deep:#0E1522;
  --azure:#4C86A8;
  --azure-deep:#2E5A73;
  --gold:#B8863B;
  --gold-light:#D9BA80;
  --paper:#EFEEE6;
  --paper-alt:#E3E1D2;
  --white:#FDFCF8;
  --ink:#1B2130;
  --ink-soft:#565D70;
  --radius-sm:4px;
  --radius-md:8px;
  --maxw:1180px;
  --serif:'Fraunces',"Iowan Old Style","Palatino Linotype",Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:'IBM Plex Mono',"SFMono-Regular",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0;color:var(--navy);}
p{margin:0;}
ul{margin:0;padding:0;}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:28px;}

.skip-link{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy-deep);font-weight:600;padding:12px 18px;z-index:300;border-radius:0 0 var(--radius-sm) 0;text-decoration:none;}
.skip-link:focus{left:0;}
:focus-visible{outline:3px solid var(--azure);outline-offset:3px;}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(14,21,34,0.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(184,134,59,0.35);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 10px 24px rgba(0,0,0,0.22);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:12px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand-logo{background:var(--white);padding:5px 9px;border-radius:var(--radius-sm);display:flex;align-items:center;line-height:0;flex-shrink:0;}
.brand-logo img{height:30px;width:auto;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-mark{font-family:var(--serif);font-size:1.4rem;font-weight:700;letter-spacing:0.01em;color:var(--gold-light);}
.brand-sub{font-size:0.64rem;color:rgba(253,252,248,0.7);margin-top:2px;max-width:220px;}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;}
.nav-links > li > a{color:rgba(253,252,248,0.87);text-decoration:none;font-size:0.95rem;padding-bottom:5px;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
.nav-links > li > a:hover,.nav-links > li > a:focus-visible{color:var(--white);border-color:var(--gold);}

/* dropdown (native details/summary — accessible, no JS needed) */
.nav-dropdown{position:relative;}
.nav-dropdown summary{cursor:pointer;list-style:none;color:rgba(253,252,248,0.87);font-size:0.95rem;padding-bottom:5px;border-bottom:1px solid transparent;display:flex;align-items:center;gap:5px;}
.nav-dropdown summary::-webkit-details-marker{display:none;}
.nav-dropdown summary:hover{color:var(--white);border-color:var(--gold);}
.dropdown-menu{position:absolute;top:100%;left:0;background:var(--navy-deep);border:1px solid rgba(184,134,59,0.35);border-radius:var(--radius-sm);min-width:210px;padding:8px 0;margin-top:12px;list-style:none;box-shadow:0 12px 28px rgba(0,0,0,0.32);}
.dropdown-menu li a{display:block;padding:10px 16px;color:rgba(253,252,248,0.85);text-decoration:none;font-size:0.9rem;}
.dropdown-menu li a:hover{background:rgba(184,134,59,0.15);color:var(--gold-light);}
.dropdown-menu li a[aria-current="page"]{background:rgba(184,134,59,0.15);color:var(--gold-light);font-weight:600;}
.nav-cta-dropdown summary{background:var(--gold);color:var(--navy-deep);padding:9px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:0.88rem;border-bottom:none;}
.nav-cta-dropdown summary:hover{background:var(--gold-light);color:var(--navy-deep);}
.nav-cta-dropdown .dropdown-menu{right:0;left:auto;}
.caret{width:12px;height:12px;flex-shrink:0;}

.nav-toggle{display:none;background:transparent;border:1px solid rgba(253,252,248,0.4);color:var(--white);width:42px;height:38px;border-radius:var(--radius-sm);cursor:pointer;}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;text-decoration:none;transition:transform .15s ease,background .2s ease,border-color .2s ease;border:none;cursor:pointer;font-family:var(--sans);}
.btn:hover{transform:translateY(-1px);}
.btn:disabled{cursor:not-allowed;opacity:.65;transform:none;}
.btn-primary{background:var(--gold);color:var(--navy-deep);}
.btn-primary:hover{background:var(--gold-light);}
.btn-outline{border:1px solid rgba(253,252,248,0.55);color:var(--white);background:transparent;}
.btn-outline:hover{border-color:var(--gold-light);color:var(--gold-light);}
.btn-outline-dark{border:1px solid rgba(22,35,59,0.35);color:var(--navy);background:transparent;}
.btn-outline-dark:hover{border-color:var(--navy);background:rgba(22,35,59,0.05);}

/* ---------- Hero (home) ---------- */
.hero{background:radial-gradient(120% 140% at 78% 8%, #1c2c49 0%, var(--navy) 45%, var(--navy-deep) 100%);color:var(--white);overflow:hidden;}
.hero-inner{display:grid;grid-template-columns:1.15fr 0.85fr;gap:48px;align-items:center;padding-block:76px 64px;}
.hero-kicker{font-size:0.95rem;color:var(--gold-light);margin-bottom:14px;}
.hero h1{font-size:clamp(2.6rem,5vw,4.2rem);color:var(--white);}
.hero-tagline{font-family:var(--serif);font-style:italic;font-weight:400;font-size:clamp(1.05rem,2vw,1.4rem);color:var(--gold-light);margin-top:6px;}
.hero-copy{max-width:52ch;color:rgba(253,252,248,0.86);font-size:1.05rem;margin-top:22px;}
.hero-meta{margin-top:20px;font-size:0.9rem;color:rgba(253,252,248,0.65);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-emblem{display:flex;justify-content:center;align-items:center;}
.seal{width:min(100%,320px);height:auto;}
.seal-ring-outer,.seal-ring-inner{fill:none;stroke:var(--gold-light);}
.seal-ring-outer{stroke-width:1.5;opacity:0.8;}
.seal-ring-inner{stroke-width:1;opacity:0.55;}
.seal-globe{fill:none;stroke:var(--gold-light);stroke-width:1.4;opacity:0.85;}
.seal-globe-line{fill:none;stroke:var(--gold-light);stroke-width:1;opacity:0.75;}
.seal-text-main{font-family:var(--serif);font-size:23px;font-weight:700;fill:var(--white);}
.seal-text-sub{font-family:var(--sans);font-size:7.5px;letter-spacing:0.14em;fill:var(--gold-light);}
.seal-laurel path{fill:var(--gold-light);opacity:0.85;}

@media (prefers-reduced-motion: no-preference){
  .hero-content > *{opacity:0;animation:heroRise .7s ease forwards;}
  .hero-kicker{animation-delay:.05s;}
  .hero h1{animation-delay:.15s;}
  .hero-tagline{animation-delay:.25s;}
  .hero-copy{animation-delay:.35s;}
  .hero-meta{animation-delay:.42s;}
  .hero-actions{animation-delay:.5s;}
  .hero-emblem{opacity:0;animation:heroFade 1s ease .3s forwards;}
  @keyframes heroRise{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
  @keyframes heroFade{from{opacity:0;}to{opacity:1;}}
}

/* ---------- Page hero (subpages) ---------- */
.page-hero{background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);color:var(--white);padding-block:52px 46px;}
.breadcrumb{font-size:0.85rem;color:rgba(253,252,248,0.6);margin-bottom:16px;}
.breadcrumb a{color:var(--gold-light);text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.page-hero h1{color:var(--white);font-size:clamp(2rem,4vw,2.9rem);}
.page-hero p{color:rgba(253,252,248,0.8);margin-top:14px;max-width:62ch;font-size:1.05rem;}

/* ---------- Sections (shared) ---------- */
section{padding-block:84px;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.8rem,3vw,2.4rem);}
.section-head p{color:var(--ink-soft);margin-top:12px;font-size:1.02rem;}
.section-head-compact{margin-bottom:24px;}
.section-head .subsection-title{font-size:1.5rem;}
.bg-alt{background:var(--paper-alt);}

/* ---------- Qué es CISMUN ---------- */
.modelo-grid{display:grid;grid-template-columns:0.95fr 1.05fr;gap:64px;align-items:start;}
.modelo-lead{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.85rem);line-height:1.4;color:var(--navy);}
.modelo-list{display:flex;flex-direction:column;}
.modelo-item{padding-block:22px;border-top:2px solid var(--gold);}
.modelo-item:last-child{padding-bottom:0;}
.modelo-item h3{font-size:1.2rem;margin-bottom:8px;}
.modelo-item p{color:var(--ink-soft);}

/* ---------- Valores ---------- */
.valores-list{display:flex;flex-direction:column;border-top:1px solid rgba(22,35,59,0.15);}
.valor-row{display:grid;grid-template-columns:280px 1fr;gap:32px;padding-block:28px;border-bottom:1px solid rgba(22,35,59,0.15);}
.valor-row h3{font-size:1.15rem;color:var(--azure-deep);}
.valor-row p{color:var(--ink-soft);max-width:62ch;}

/* ---------- Casas ---------- */
.casas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(22,35,59,0.15);border:1px solid rgba(22,35,59,0.15);}
.casa{background:var(--paper);padding:30px 22px;text-align:center;}
.casa h3{font-size:1.3rem;}
.casa p{color:var(--ink-soft);font-size:0.92rem;margin-top:8px;}

/* ---------- Horario ---------- */
.horario-table{width:100%;border-collapse:collapse;}
.horario-table tr{border-bottom:1px solid rgba(22,35,59,0.15);}
.horario-table tr:first-child{border-top:1px solid rgba(22,35,59,0.15);}
.horario-table td{padding:16px 12px;vertical-align:top;}
.horario-time{font-family:var(--mono);font-size:0.92rem;color:var(--azure-deep);white-space:nowrap;width:110px;}
.horario-activity{color:var(--ink);}

/* ---------- Comisiones ---------- */
.comisiones-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.comision-card{background:var(--white);border:1px solid rgba(22,35,59,0.14);border-radius:var(--radius-md);padding:26px 24px 24px;border-top:4px solid var(--navy);}
.comision-card.accent-azure{border-top-color:var(--azure);}
.comision-card.accent-gold{border-top-color:var(--gold);}
.comision-card h3{font-size:1.15rem;margin-bottom:10px;}
.comision-card p{color:var(--ink-soft);font-size:0.95rem;}

/* ---------- Equipo ---------- */
.equipo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.equipo-card{text-align:center;}
.equipo-avatar{width:78px;height:78px;border-radius:50%;border:1.5px solid var(--gold);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--gold);font-family:var(--serif);font-size:1.4rem;}
.equipo-card h3{font-size:1rem;font-style:italic;font-weight:400;color:var(--ink-soft);}
.equipo-card p{color:var(--azure-deep);font-size:0.88rem;margin-top:4px;}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);color:var(--white);text-align:left;}
.cta-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:28px;}
.cta-inner h2{color:var(--white);font-size:clamp(1.6rem,3vw,2.1rem);max-width:26ch;}
.cta-inner p{color:rgba(253,252,248,0.75);margin-top:10px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Info blocks (subpages: elegibilidad, requisitos) ---------- */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.info-list{display:flex;flex-direction:column;gap:14px;}
.info-list li{display:flex;gap:12px;color:var(--ink-soft);font-size:0.98rem;list-style:none;}
.info-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px;flex-shrink:0;}

/* ---------- Steps (numbered sequence — Cómo funciona) ---------- */
.steps-list{display:flex;flex-direction:column;border-top:1px solid rgba(22,35,59,0.15);}
.step{display:grid;grid-template-columns:52px 1fr;gap:20px;padding-block:24px;border-bottom:1px solid rgba(22,35,59,0.15);}
.step-num{font-family:var(--serif);font-size:1.5rem;color:var(--navy);font-weight:700;}
.step-body h3{font-size:1.05rem;margin-bottom:6px;}
.step-body p{color:var(--ink-soft);font-size:0.95rem;}

/* ---------- Form ---------- */
.form-card{background:var(--white);border:1px solid rgba(22,35,59,0.14);border-radius:var(--radius-md);padding:36px;}
.form-container{max-width:760px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:0.86rem;color:var(--ink-soft);font-weight:600;}
.form-field input,.form-field select,.form-field textarea{border:1px solid rgba(22,35,59,0.25);border-radius:var(--radius-sm);padding:11px 13px;font-family:var(--sans);font-size:0.95rem;color:var(--ink);background:var(--white);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--azure-deep);box-shadow:0 0 0 3px rgba(76,134,168,0.18);}
.form-field textarea{resize:vertical;min-height:96px;}
.form-field fieldset{border:0;margin:0;padding:0;min-width:0;}
.form-field legend{font-size:0.86rem;color:var(--ink-soft);font-weight:600;margin-bottom:8px;}
.field-help{font-size:.78rem;color:var(--ink-soft);}
.checkbox-group{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
.checkbox-item{display:flex;align-items:center;gap:9px;font-size:0.93rem;color:var(--ink);font-weight:400;}
.checkbox-item input{width:16px;height:16px;accent-color:var(--azure-deep);flex-shrink:0;}
.form-actions{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{font-size:0.84rem;color:var(--ink-soft);}
.form-privacy-note{font-size:0.86rem;color:var(--ink-soft);background:var(--paper-alt);border-left:3px solid var(--azure);border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:28px;}
.consent-field{padding-top:4px;}
.consent-field .checkbox-item{align-items:flex-start;line-height:1.45;}
.honeypot{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;}
.form-status{min-height:1.5em;margin-top:16px;font-size:.9rem;}
.form-status.is-error{color:#9c2f2f;background:#faecec;border:1px solid #dfaaaa;border-radius:var(--radius-sm);padding:10px 12px;}
.form-success{display:none;background:#EAF3ED;border:1px solid #8FBF9F;color:#2C5C3B;border-radius:var(--radius-md);padding:22px 24px;}
.form-success.is-visible,.form-success:target{display:block;}
.form-success h3{color:#2C5C3B;font-size:1.15rem;margin-bottom:6px;}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep);color:rgba(253,252,248,0.75);padding-block:56px 28px;}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(253,252,248,0.12);}
.footer-brand-row{display:flex;align-items:center;gap:12px;}
.footer-brand{font-family:var(--serif);font-size:1.2rem;color:var(--gold-light);}
.footer-description{margin-top:14px;max-width:32ch;}
.footer-grid h4{color:var(--white);font-size:0.92rem;font-weight:600;margin-bottom:14px;}
.footer-grid p, .footer-grid a{font-size:0.9rem;color:rgba(253,252,248,0.72);text-decoration:none;line-height:1.9;}
.footer-grid a:hover{color:var(--gold-light);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;font-size:0.78rem;color:rgba(253,252,248,0.6);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .modelo-grid{grid-template-columns:1fr;gap:36px;}
  .comisiones-grid{grid-template-columns:repeat(2,1fr);}
  .casas-grid{grid-template-columns:repeat(2,1fr);}
  .equipo-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .info-grid{grid-template-columns:1fr;gap:32px;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-links.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;background:var(--navy-deep);padding:20px 28px;gap:16px;border-bottom:1px solid rgba(184,134,59,0.35);}
  .nav-links.is-open a{border-bottom:none;}
  .nav-links.is-open .nav-dropdown{width:100%;}
  .nav-links.is-open .dropdown-menu{position:static;margin-top:10px;box-shadow:none;}
  .nav-links.is-open .nav-cta-dropdown summary{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;padding-block:52px 44px;}
  .hero-emblem{order:-1;margin-bottom:8px;}
  .seal{width:200px;}
  section{padding-block:56px;}
  .valor-row{grid-template-columns:1fr;gap:8px;}
  .comisiones-grid{grid-template-columns:1fr;}
  .casas-grid{grid-template-columns:1fr 1fr;}
  .equipo-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .form-card{padding:24px;}
  .checkbox-group{grid-template-columns:1fr;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;}
}