:root{
  --navy:#292B45; --teal:#119F9A; --teal-soft:#4BE7D8; --pink:#FF6EA8; --yellow:#FFDA37;
  --teal-ink:#0C7C77; --navy-80:rgba(41,43,69,.80); --navy-60:rgba(41,43,69,.60);
  --bg:#fff; --bg-alt:#f7f8fb; --bg-soft:#fdf6df; --line:#e7e8ef;
  --font:"Segoe UI","Selawik",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --maxw:1180px; --radius:20px; --radius-lg:34px; --radius-sm:12px;
  --shadow:0 18px 50px -22px rgba(41,43,69,.35); --shadow-sm:0 8px 24px -14px rgba(41,43,69,.40);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--navy);font-family:var(--font);font-size:16.5px;line-height:1.6}
h1,h2,h3{font-weight:900;line-height:1.05;letter-spacing:-.02em}
a{color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--yellow);color:var(--navy);
  padding:.8rem 1.2rem;font-weight:800;z-index:99;border-radius:0 0 12px 0}
.skip:focus{left:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.bs-logo{height:30px;width:auto;display:block}
.bs-noria{height:1em;width:auto}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.82rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--teal-ink);margin-bottom:.9rem}
.section{padding:clamp(3.5rem,2rem + 7vw,7rem) 0}
.section--alt{background:var(--bg-alt)}
/* páginas de gestión (gestionar.html): a menudo solo hay una tarjeta de login,
   el padding pensado para secciones largas de la home la deja flotando en
   demasiado blanco. */
.section--util{padding:clamp(1.8rem,1rem + 3vw,3.2rem) 0}
.section-title{font-size:clamp(1.9rem,1.2rem + 2.6vw,3rem);margin-bottom:1rem}
.section-intro{max-width:62ch;color:var(--navy-80);font-size:1.08rem}
.nav{position:sticky;top:0;z-index:50;background:rgba(41,43,69,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.10);color:#fff}
.nav .wrap{display:flex;align-items:center;gap:1.25rem;height:66px}
.nav a{text-decoration:none;font-weight:600;font-size:.95rem;color:rgba(255,255,255,.82)}
.nav a:hover{color:#fff}
.nav .spacer{flex:1}
.nav .links{display:flex;gap:1.25rem}
@media(max-width:820px){.nav .links{display:none}}
@media(max-width:640px){.nav .btn--ghost{display:none}}
.btn{--btn-bg:var(--yellow);--btn-fg:var(--navy);display:inline-flex;align-items:center;
  justify-content:center;gap:.55rem;background:var(--btn-bg);color:var(--btn-fg);font-weight:800;
  font-size:1rem;line-height:1;padding:.95rem 1.6rem;border-radius:100px;border:2px solid var(--btn-bg);
  cursor:pointer;text-decoration:none;white-space:nowrap;font-family:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--secondary{--btn-bg:var(--navy);--btn-fg:#fff;border-color:var(--navy)}
.btn--teal{--btn-bg:var(--teal);--btn-fg:#fff;border-color:var(--teal)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--lg{padding:1.1rem 2rem;font-size:1.06rem}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.hero{position:relative;isolation:isolate;color:#fff;overflow:hidden;
  background:radial-gradient(120% 90% at 85% -10%,rgba(75,231,216,.18),transparent 55%),
             radial-gradient(90% 70% at 0% 110%,rgba(255,110,168,.16),transparent 55%),
             linear-gradient(160deg,#2f3252 0%,var(--navy) 55%,#20223a 100%);
  padding:clamp(3.5rem,2rem + 7vw,6rem) 0 clamp(3rem,2rem + 4vw,5rem)}
.hero h1{font-size:clamp(2.2rem,1.3rem + 3.6vw,3.9rem);color:#fff;margin:.4rem 0 .6rem}
.hero .tagline{color:var(--yellow);font-weight:900;font-size:clamp(1.05rem,.9rem + .7vw,1.4rem)}
.hero p.lead{color:rgba(255,255,255,.86);font-size:1.12rem;max-width:56ch;margin-top:1.4rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.6rem 0 0}
.pill{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);padding:.5rem .95rem;border-radius:100px;
  font-weight:600;font-size:.92rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem}
.hero-noria{position:absolute;right:-70px;bottom:-90px;width:340px;color:rgba(255,218,55,.13);z-index:-1}
@media(max-width:760px){.hero-noria{width:220px;right:-60px;bottom:-60px}}
.grid{display:grid;gap:1.4rem}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:2.6rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
  box-shadow:var(--shadow-sm)}
.card h3{font-size:1.18rem;margin-bottom:.5rem}
.card p{color:var(--navy-80);font-size:.98rem}
.card .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:1.2rem;margin-bottom:.9rem;background:var(--yellow)}
.card:nth-child(2) .ico{background:var(--teal-soft)}
.card:nth-child(3) .ico{background:var(--pink)}
.steps{counter-reset:s;display:grid;gap:1rem;margin-top:2.4rem}
.step{display:flex;gap:1.1rem;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:1.3rem 1.5rem}
.step::before{counter-increment:s;content:counter(s);flex:0 0 38px;height:38px;border-radius:100px;
  background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:.95rem}
.step h3{font-size:1.08rem;margin-bottom:.25rem}
.step p{color:var(--navy-80);font-size:.97rem}
.step--now{border-color:var(--teal);box-shadow:0 0 0 3px rgba(17,159,154,.10)}

.formcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:clamp(1.4rem,1rem + 2vw,2.6rem);margin-top:2.4rem}
.switch{display:inline-flex;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:100px;padding:.3rem;gap:.25rem;margin-bottom:1.9rem;flex-wrap:wrap}
.switch button{border:0;background:transparent;font-family:inherit;font-weight:800;font-size:.97rem;
  padding:.7rem 1.3rem;border-radius:100px;cursor:pointer;color:var(--navy-60)}
.switch button[aria-selected="true"]{background:var(--navy);color:#fff}
fieldset{border:0;min-width:0}
legend{font-weight:900;font-size:1.05rem;margin-bottom:.2rem}
.hint{color:var(--navy-60);font-size:.92rem;margin-bottom:1.1rem}
.row{display:grid;gap:1rem;grid-template-columns:1fr 1fr;margin-bottom:1rem}
.row--1{grid-template-columns:1fr}
.row--3{grid-template-columns:1fr 1fr 1fr}
@media(max-width:700px){.row,.row--3{grid-template-columns:1fr}}
label{display:block;font-weight:700;font-size:.9rem;margin-bottom:.35rem}
label .opt{font-weight:400;color:var(--navy-60)}
input[type=text],input[type=email],input[type=number],select,textarea{width:100%;font-family:inherit;
  font-size:1rem;color:var(--navy);background:#fff;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);padding:.8rem .95rem;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(17,159,154,.15)}
input[aria-invalid="true"]{border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,110,168,.18)}
textarea{min-height:96px;resize:vertical}
.check{display:flex;gap:.7rem;align-items:flex-start;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:.9rem 1rem;margin-bottom:1rem}
.check input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--teal);flex:0 0 auto}
.check label{margin:0;font-weight:600;font-size:.95rem}
.check .sub{font-weight:400;color:var(--navy-60);font-size:.88rem;display:block;margin-top:.15rem}
.sesion{background:linear-gradient(135deg,rgba(17,159,154,.09),rgba(75,231,216,.13));
  border:1.5px solid var(--teal);border-radius:var(--radius);padding:1.3rem 1.5rem;margin:1.4rem 0}
.sesion h4{font-size:1.05rem;font-weight:900;margin-bottom:.3rem}
.sesion .when{display:inline-flex;align-items:center;gap:.4rem;background:var(--navy);color:#fff;
  font-weight:800;font-size:.82rem;padding:.35rem .8rem;border-radius:100px;margin-bottom:.7rem}
.sesion p{font-size:.95rem;color:var(--navy-80);margin-bottom:1rem}
.member{display:grid;grid-template-columns:28px 1fr 1fr 38px;gap:.7rem;align-items:center;margin-bottom:.7rem}
.member .n{font-weight:900;color:var(--navy-60);font-size:.9rem;text-align:center}
.member .del{border:1.5px solid var(--line);background:#fff;border-radius:10px;height:38px;cursor:pointer;
  font-size:1.1rem;line-height:1;color:var(--navy-60);font-family:inherit}
.member .del:hover{border-color:var(--pink);color:var(--pink)}
@media(max-width:700px){.member{grid-template-columns:24px 1fr 34px}
  .member input:nth-of-type(2){grid-column:2/4}}
.counter{font-weight:800;font-size:.92rem;margin:.4rem 0 1.2rem}
.counter.ok{color:var(--teal-ink)} .counter.ko{color:#b0165c}
.divider{height:1px;background:var(--line);margin:1.8rem 0}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;margin-top:.6rem}
.msg{border-radius:var(--radius-sm);padding:1rem 1.15rem;font-size:.95rem;margin-top:1.2rem;display:none}
.msg.show{display:block}
.msg--ok{background:#e8f7f0;border:1px solid #b7e4cd;color:#125c39}
.msg--ko{background:#fdeaf1;border:1px solid #f7c2d6;color:#8d0f3f}
.msg--info{background:var(--bg-soft);border:1px solid #f0e0a8;color:#5d4909}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.dl{display:flex;gap:1rem;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:1.2rem 1.4rem;text-decoration:none;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.dl:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.dl .ic{flex:0 0 44px;height:44px;border-radius:12px;background:var(--navy);color:var(--yellow);
  display:grid;place-items:center;font-weight:900;font-size:.72rem}
.dl h3{font-size:1.02rem;margin-bottom:.15rem}
.dl p{color:var(--navy-60);font-size:.88rem}
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.1rem 1.4rem;margin-bottom:.8rem}
details[open]{border-color:var(--teal)}
summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:900;color:var(--teal);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{color:var(--navy-80);font-size:.98rem;margin-top:.7rem}
.footer{background:var(--navy);color:rgba(255,255,255,.75);padding:3rem 0 2.2rem;font-size:.93rem}
.footer a{color:var(--teal-soft)}
.footer .top{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center;
  padding-bottom:1.6rem;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:1.4rem}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .btn:hover,.dl:hover{transform:none}
}
@media print{
  .nav,.hero-cta,.formcard,.skip{display:none!important}
  body{font-size:11pt} .section{padding:1rem 0} .hero{color:#000;background:none}
  .hero h1,.hero .tagline,.hero p.lead{color:#000}
}

/* ═══ añadidos para autenticación y gestión ═══ */
.auth-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:clamp(1.6rem,1rem + 2vw,2.6rem);max-width:520px;margin:2.4rem auto}
.auth-card h2{font-size:1.5rem;margin-bottom:.6rem}
.auth-card p{color:var(--navy-80);font-size:1rem;margin-bottom:1.4rem}
.estado{display:inline-flex;align-items:center;gap:.4rem;font-weight:800;font-size:.78rem;
  padding:.3rem .8rem;border-radius:100px;text-transform:uppercase;letter-spacing:.06em}
.estado--activa{background:rgba(17,159,154,.14);color:var(--teal-ink)}
.estado--cancelada{background:rgba(255,110,168,.16);color:#a01248}
.chip{display:inline-flex;align-items:center;font-size:.8rem;font-weight:700;
  padding:.28rem .75rem;border-radius:100px;background:var(--bg-alt);color:var(--navy-60);
  border:1px solid var(--line)}
.chip--ok{background:rgba(17,159,154,.14);color:var(--teal-ink);border-color:transparent}
.chip--ko{background:rgba(255,110,168,.16);color:#a01248;border-color:transparent}
.barra-sesion{background:var(--navy);color:#fff;padding:.7rem 0;font-size:.92rem}
.barra-sesion .wrap{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.barra-sesion .sp{flex:1}
.barra-sesion button{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff;
  font-family:inherit;font-weight:700;font-size:.85rem;padding:.35rem .9rem;border-radius:100px;cursor:pointer}
.barra-sesion button:hover{background:rgba(255,255,255,.12)}
.cargando{text-align:center;color:var(--navy-60);padding:3rem 1rem}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--teal);
  border-radius:50%;animation:giro .8s linear infinite;margin:0 auto .8rem}
@keyframes giro{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}