:root{
  --blue:#1b5a9e; --blue-dark:#123f70; --coral:#e9604c; --coral-dark:#d34a37;
  --blue-logo:#05498c; /* azul muestreado del logo */
  --ink:#1f2d3d; --muted:#5b6b7b; --soft:#f4f8fc; --line:#e4ecf4; --white:#fff;
  --radius:16px; --shadow:0 10px 30px rgba(18,63,112,.10);
  --wrap:1120px; --header-h:116px;
}
*{margin:0;padding:0;box-sizing:border-box}
/* El header es sticky: sin esto, cada anchor del navbar aterriza con el título
   de la sección tapado detrás del header. */
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem)}
body{font-family:'Poppins',system-ui,Arial,sans-serif;color:var(--ink);line-height:1.6;background:var(--white)}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;border-radius:999px;
  padding:.7rem 1.4rem;transition:.15s;border:2px solid transparent;cursor:pointer;font-size:.98rem}
.btn-lg{padding:.95rem 1.9rem;font-size:1.05rem}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:var(--coral-dark)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-dark)}
.btn-outline{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.85);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--blue)}
/* El azul del logo sobre el hero da 1.12:1 contra el overlay azul marino: el
   botón se desdibujaría. El aro blanco le devuelve el borde (10:1) sin cambiar
   el color de marca. */
.btn-navy{background:var(--blue-logo);color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.62)}
.btn-navy:hover{background:#073d75;box-shadow:0 0 0 2px #fff}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--header-h)}
/* El texto "CLUB DE TENIS DURAZNO" viene dentro del arte y ocupa el 20% del alto:
   por debajo de ~100px deja de leerse. De ahí el header alto. */
.brand{display:flex;align-items:center}
.brand img{height:96px;width:auto}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a{color:var(--ink);font-weight:500}
.nav a:hover{color:var(--blue)}
.nav .nav-cta{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--blue-dark);border-radius:3px}

/* ---------- Hero ---------- */
/* dos resoluciones: el celular no se baja los 370 KB de la versión grande */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;color:#fff;
  background:url('../assets/img/hero-1200.jpg') center/cover no-repeat}
@media (min-width:900px){
  .hero{background-image:url('../assets/img/hero-2000.jpg')}
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,63,112,.82),rgba(18,63,112,.45) 60%,rgba(233,96,76,.35))}
.hero-content{position:relative;padding:5rem 22px}
.hero-kicker{font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.85rem;color:#ffd7cf;margin-bottom:.8rem}
.hero h1{font-size:clamp(2.4rem,6vw,4rem);line-height:1.05;font-weight:800;max-width:14ch}
.hero-sub{font-size:clamp(1.05rem,2.2vw,1.35rem);max-width:44ch;margin:1.1rem 0 1.8rem;color:#eaf1f9}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:5rem 0}
.section-soft{background:var(--soft)}
.eyebrow{display:inline-block;color:var(--coral);font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;font-size:.82rem;margin-bottom:.5rem}
.section h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;color:var(--blue-dark);max-width:20ch;line-height:1.12}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch;margin-top:1rem}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:start;margin-top:2rem}
.prose p{margin-bottom:1rem;color:#3a4a5a}

/* club photos */
.club-photos{display:flex;flex-direction:column;gap:1rem}
.club-photos img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover}
.club-photos>img{aspect-ratio:16/10}
.club-photos-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.club-photos-row img{aspect-ratio:1/1}

/* reservas */
.reservas-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin:1.8rem 0}
.calendar-embed{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.calendar-embed iframe{width:100%;height:600px;border:0;display:block}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.2rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.section-soft .card{background:#fff}
.card h3{color:var(--blue-dark);font-size:1.2rem;margin-bottom:.5rem}
.card p{color:#3a4a5a}
.card-meta{margin-top:.8rem;font-weight:600;color:var(--ink)}
.contact-card{text-align:center}
.contact-card h3{margin-bottom:.2rem}
.contact-card a{font-size:1.1rem;font-weight:600}

/* afiliación directa */
.afiliate-cta{margin-top:1.6rem;text-align:center;border-radius:var(--radius);padding:2.6rem 2rem;
  background:linear-gradient(135deg,var(--blue-logo),var(--blue) 55%,#2f6fb5);
  box-shadow:var(--shadow);color:#eaf1f9}
.afiliate-kicker{color:#ffd7cf;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  font-size:.78rem;margin-bottom:.5rem}
.afiliate-cta h3{color:#fff;font-weight:800;font-size:clamp(1.3rem,2.6vw,1.85rem);
  max-width:24ch;margin:0 auto .6rem}
.afiliate-cta p:not(.afiliate-kicker){max-width:52ch;margin:0 auto 1.6rem}
.afiliate-cta strong{color:#fff}
.btn-white{background:#fff;color:var(--blue-logo)}
.btn-white:hover{background:#eaf1f9;color:#073d75}

/* comisión directiva */
.periodo-badge{display:inline-block;background:var(--blue);color:#fff;font-weight:600;font-size:.85rem;
  letter-spacing:.02em;padding:.35rem 1rem;border-radius:999px;margin-bottom:1.1rem}
.periodo-badge-soft{background:var(--soft);color:var(--blue-dark);border:1px solid var(--line)}
.comision-actual{margin-top:2.2rem;background:#fff;border:1px solid var(--line);border-left:5px solid var(--coral);
  border-radius:var(--radius);padding:1.8rem 2rem;box-shadow:var(--shadow)}
/* la comisión en funciones ocupa el ancho completo: en 2 columnas no queda
   media sección vacía a la derecha */
.comision-actual .comision-list{display:grid;grid-template-columns:1fr 1fr;gap:.7rem 3rem}
.comision-list{list-style:none;display:flex;flex-direction:column;gap:.7rem}
.comision-list li{display:flex;gap:1rem;align-items:baseline;border-bottom:1px dashed var(--line);padding-bottom:.7rem}
.comision-list li:last-child{border-bottom:0;padding-bottom:0}
.comision-list .cargo{flex:0 0 8.5rem;color:var(--muted);font-size:.88rem;text-transform:uppercase;
  letter-spacing:.06em;font-weight:600}
.comision-list .nombre{font-weight:600;color:var(--ink)}
.comision-previas{margin-top:1.8rem}
.comision-previas summary{display:inline-block;cursor:pointer;font-weight:600;color:var(--blue);
  padding:.5rem 0;list-style:none}
.comision-previas summary::-webkit-details-marker{display:none}
.comision-previas summary::before{content:'▸';display:inline-block;margin-right:.5rem}
.comision-previas[open] summary::before{content:'▾'}
.comision-previas summary:hover{color:var(--blue-dark)}
.comision-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:1.2rem}
.comision-previa{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}
.comision-previa .comision-list .cargo{flex-basis:7.5rem}

/* contacto */
.contacto-grid{align-items:stretch}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:1.1rem}
.contact-list li{padding-left:0}
.contact-list strong{color:var(--blue-dark)}
.map-embed{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:320px}
.map-embed iframe{width:100%;height:100%;min-height:320px;border:0;display:block}
.noscript-note{margin-top:1.2rem;font-size:.9rem;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem}

/* ---------- 404 ---------- */
.error-page{min-height:100vh;display:flex;align-items:center;text-align:center;background:var(--soft)}
.error-page .container{max-width:640px}
.error-logo{height:110px;width:auto;margin:0 auto 1.6rem}
.error-page h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;color:var(--blue-dark);margin-bottom:.4rem}
.error-page .lead{margin:0 auto 2rem}
.error-page .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-dark);color:#dbe7f4}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:2.6rem 22px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:1rem}
/* width:auto es obligatorio: el <img> lleva width/height intrínsecos para evitar
   saltos de layout, y sin esto el atributo width lo estira a lo ancho.
   La caja blanca hace falta porque el azul del logo se pierde sobre el fondo. */
.footer-brand img{height:78px;width:auto;background:#fff;border-radius:12px;padding:7px}
.footer-brand p{color:#aec6e0;font-size:.9rem}
.footer-links{display:flex;gap:1.4rem;flex-wrap:wrap}
.footer-links a{color:#dbe7f4;font-weight:500}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:1.1rem;font-size:.88rem;color:#9fb8d4}
.footer-bottom a{color:#dbe7f4}
.footer-bottom a:hover{color:#fff}
.footer-version{margin-top:.35rem;font-size:.78rem;color:#7c99b8;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-toggle{display:flex}
  /* la variable mantiene el scroll-padding-top en sincronía con el header */
  :root{--header-h:98px}
  /* top:100% en vez de una altura fija: el desplegable sigue al header solo */
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 0;display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:.8rem 22px}
  .nav .nav-cta{margin:.6rem 22px;justify-content:center}
  .grid-2{grid-template-columns:1fr;gap:1.6rem}
  .cards{grid-template-columns:1fr}
  .comision-grid{grid-template-columns:1fr}
  .comision-actual .comision-list{grid-template-columns:1fr}
  .hero{min-height:70vh}
  .brand img{height:78px}
}
@media (max-width:560px){
  .club-photos-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .comision-list li{flex-direction:column;gap:.15rem}
  /* hay que igualar la especificidad de .comision-previa .comision-list .cargo:
     en columna, flex-basis pasa a ser la altura y abre un hueco enorme */
  .comision-list .cargo,
  .comision-previa .comision-list .cargo{flex-basis:auto}
}