/* Comunidad de Regantes de Zarratón · hoja de estilos común
   Paleta: agua profunda del canal, verde de viña, tierra de La Rioja Alta */
:root{
  --bg:#F4F6F3; --panel:#FFFFFF; --fg:#13201B; --soft:#56655D; --line:#DCE3DD;
  --agua:#0B5F6B; --agua-2:#E1EFEF; --agua-3:#1F8A97; --vid:#4E6B2E; --tierra:#9C5B2A; --frio:#2F6FB0; --calor:#C24A2C;
  --oscuro:#0A1C1F;
  --f-head:"Libre Franklin","Segoe UI",system-ui,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --f-serif:"Source Serif 4",Georgia,serif;
  --f-data:"IBM Plex Mono",ui-monospace,"Cascadia Mono",monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0D1614; --panel:#14201D; --fg:#E6EEEA; --soft:#9EB1A7; --line:#26352F;
  --agua:#4DB3BF; --agua-2:#132E31; --agua-3:#6FCAD4; --vid:#8FB065; --tierra:#D9975E; --frio:#76AEEA; --calor:#EC7F62; color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--agua)}
h1,h2,h3{font-family:var(--f-head);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.01em}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--f-data);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--agua);margin-bottom:8px}
:focus-visible{outline:2px solid var(--tierra);outline-offset:3px}
button{font:inherit;cursor:pointer}

/* Cabecera */
.cab{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.cab .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.marca{display:flex;align-items:center;gap:12px;color:var(--fg);text-decoration:none}
.marca b{font-family:var(--f-head);font-weight:700;font-size:18px;line-height:1.1;display:block}
.marca small{display:block;font-size:12px;color:var(--soft);line-height:1.2}
.menu{display:flex;gap:4px;flex-wrap:wrap}
.menu a{color:var(--fg);text-decoration:none;font-weight:600;font-size:15px;padding:8px 11px;border-radius:999px}
.menu a:hover{background:var(--agua-2)}
.menu a[aria-current="page"]{background:var(--agua);color:#fff}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:7px 12px;font-weight:600}
@media (max-width:980px){
  .burger{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:68px;background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;padding:10px 16px 16px}
  .menu.abierto{display:flex}
  .menu a{padding:12px 14px}
}
.cab.sobre{position:fixed;left:0;right:0;background:transparent;border-color:transparent;backdrop-filter:none}
.cab.sobre .marca,.cab.sobre .marca small,.cab.sobre .menu a,.cab.sobre .burger{color:#fff}
.cab.sobre .burger{border-color:rgba(255,255,255,.5)}
.cab.sobre .menu a:hover{background:rgba(255,255,255,.15)}
.cab.sobre.solida{position:fixed;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(10px);border-color:var(--line)}
.cab.sobre.solida .marca,.cab.sobre.solida .menu a,.cab.sobre.solida .burger{color:var(--fg)}
.cab.sobre.solida .marca small{color:var(--soft)}
@media (max-width:980px){.cab.sobre .menu a{color:var(--fg)}}

/* Portadas de página */
.cabecera-pag{position:relative;color:#fff;background:var(--oscuro);overflow:hidden}
.cabecera-pag .fondo{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;transform:scale(1.05);animation:deriva 30s ease-in-out infinite alternate}
.cabecera-pag::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,22,26,.25),rgba(6,22,26,.85))}
.cabecera-pag .wrap{position:relative;z-index:1;padding-block:76px 46px}
.cabecera-pag h1{font-size:clamp(34px,5.4vw,58px);font-weight:800;max-width:18ch}
.cabecera-pag p{font-family:var(--f-serif);font-size:clamp(18px,2vw,21px);max-width:60ch;color:rgba(255,255,255,.88);margin:14px 0 0}
.cabecera-pag .eyebrow{color:#8FD9E2}
@keyframes deriva{from{transform:scale(1.05) translate(0,0)}to{transform:scale(1.14) translate(-2%,-1.5%)}}

/* Bloques */
.seccion{padding-block:64px}
.seccion+.seccion{border-top:1px solid var(--line)}
.seccion h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;margin-bottom:10px}
.intro{font-family:var(--f-serif);font-size:19px;color:var(--soft);max-width:68ch;margin:0 0 28px}
.caja{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;min-width:0}
.caja h3{font-size:18px;margin-bottom:4px}
.sub{color:var(--soft);font-size:14.5px;margin:0 0 12px}
.rejilla{display:grid;gap:16px}
.r2{grid-template-columns:repeat(2,minmax(0,1fr))}
.r3{grid-template-columns:repeat(3,minmax(0,1fr))}
.r4{grid-template-columns:repeat(4,minmax(0,1fr))}
.r-2-1{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
@media (max-width:900px){.r3,.r4{grid-template-columns:repeat(2,minmax(0,1fr))}.r2,.r-2-1{grid-template-columns:1fr}}
@media (max-width:560px){.r3,.r4{grid-template-columns:1fr}}
.cifra{display:flex;flex-direction:column;gap:2px}
.cifra span{font-family:var(--f-data);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}
.cifra b{font-family:var(--f-head);font-weight:800;font-size:34px;line-height:1.05;font-variant-numeric:tabular-nums}
.cifra b small{font-size:17px;font-weight:600;color:var(--soft)}
.cifra em{font-style:normal;font-size:14px;color:var(--soft)}
.dato{display:flex;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:7px;margin-top:7px;font-size:15px}
.dato span{color:var(--soft)}
.dato b{font-family:var(--f-data);font-weight:500;white-space:nowrap;font-variant-numeric:tabular-nums}
.texto p{margin:0 0 14px;text-align:justify;hyphens:auto;max-width:72ch}
.lienzo{position:relative;height:300px}
.fuente{font-size:13px;color:var(--soft);margin-top:14px}
.subir{display:inline-flex;align-items:center;gap:6px;color:var(--soft);font-family:var(--f-data);font-size:12px}
.sube{color:var(--calor)} .baja{color:var(--frio)}
.boton{display:inline-flex;align-items:center;gap:8px;background:var(--agua);color:#fff;text-decoration:none;font-weight:700;border:0;border-radius:999px;padding:12px 20px;font-size:15.5px}
.boton.claro{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.boton:hover{filter:brightness(1.08)}
.cargando{color:var(--soft);font-style:italic}

/* Pie */
.pie{background:var(--oscuro);color:#C9D6D2;padding-block:44px;font-size:15px}
.pie .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:800px){.pie .wrap{grid-template-columns:1fr}}
.pie b{color:#fff;font-family:var(--f-head)}
.pie a{color:#9FDDE5;text-decoration:none}
.pie ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}
.pie small{display:block;margin-top:18px;color:#8EA39C}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}