/* ACU · edición de revisión. Interacción ligera y contenido legible sin JavaScript. */
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/* Prueba en Quiénes somos: luz en movimiento y heliotropismo. */
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.about-sun-intro{grid-column:1;grid-row:1;min-height:65vh;padding:1.5rem 0 3rem}
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.about-sun-intro .lead{font-size:1.15rem;max-width:34rem}
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.about-sun-history{grid-column:1;grid-row:2;min-height:65vh;padding:2rem 0 4rem}
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.sun-tracker__sun{position:absolute;top:0;left:0;width:4.5rem;height:4.5rem;color:#d6a414;transform:translate3d(60px,95px,0) translate(-50%,-50%);z-index:2}
.sun-tracker__sun svg{width:100%;height:100%;filter:drop-shadow(0 0 12px #f4dc7966)}
.sun-tracker__flower{position:absolute;width:18rem;height:27rem;left:50%;bottom:0;transform:translateX(-50%);color:var(--ink)}
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.sun-tracker figcaption{text-align:center;padding-top:1rem;font-family:var(--serif);font-size:1rem;line-height:1.4}
.sun-tracker figcaption small{font-family:var(--sans);font-size:.75rem;color:var(--ink-2);display:block;margin-top:.3rem}
.sun-tracker__chapters{display:flex;justify-content:space-between;gap:.6rem;margin-top:1.4rem;font-size:.74rem;color:var(--ink-3)}
.sun-tracker__chapters span{padding-top:.6rem;border-top:2px solid var(--line);flex:1;transition:border-color .2s,color .2s}
.sun-tracker__chapters .is-current{border-color:#b88b04;color:var(--ink);font-weight:600}
@media(max-width:1000px) and (min-width:760px){.about-sun-grid{column-gap:2rem}.sun-tracker__drawing{height:28rem}.sun-tracker__flower{width:15.5rem;height:23.25rem}.sun-tracker__sun{width:3.6rem;height:3.6rem}.sun-tracker__chapters{font-size:.65rem}}
@media(max-width:759px){.about-sun-journey{padding:1.5rem 0 2.5rem}.about-sun-grid{grid-template-columns:1fr;gap:0}.about-sun-intro{grid-row:1;min-height:0;padding:1rem 0 1.75rem}.about-sun-intro h1{font-size:3rem}.about-sun-intro .lead{font-size:1.05rem}.about-sun-motto{font-size:1.5rem;margin-top:1.5rem}.about-sun-stage{grid-column:1;grid-row:2;min-height:105vh}.sun-tracker{top:5.2rem;padding-top:0}.sun-tracker__drawing{height:20rem}.sun-tracker__flower{width:12rem;height:18rem}.sun-tracker__sun{width:3.25rem;height:3.25rem}.sun-tracker figcaption{font-size:.9rem}.sun-tracker figcaption small{font-size:.7rem}.sun-tracker__chapters{font-size:.68rem;margin-top:1rem}.about-sun-history{grid-column:1;grid-row:3;min-height:0;padding-top:2rem;padding-bottom:1rem}}
@media(max-width:380px){.sun-tracker{top:6.2rem}.sun-tracker__chapters{font-size:.6rem}}
@media(prefers-reduced-motion:reduce){.about-sun-intro,.about-sun-history{min-height:0}.about-sun-stage{min-height:0}.sun-tracker{position:relative;top:0}.sun-tracker__flower .sunflower__head{transform:none!important;will-change:auto}.sun-tracker__chapters span{transition:none}}

/* Control local cuando el sistema solicita movimiento reducido. */
.motion-control{display:block;margin:.8rem auto 0;padding:.45rem .7rem;border:1px solid var(--line-strong);border-radius:2px;background:transparent;color:var(--ink);font-family:var(--sans);font-size:.78rem;line-height:1.4;cursor:pointer}
.motion-control:hover{background:var(--paper-2)}.motion-control[hidden]{display:none}

/* Respaldo para navegadores sin animación SVG nativa. */
.mobile-sunflower-spin{transform-box:view-box;transform-origin:200px 200px;animation:sunflower-mobile-spin 12s linear infinite}
@keyframes sunflower-mobile-spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* La semilla recorre el margen; la ayuda la convierte en flor. */
.reading-seed{position:fixed;top:0;left:0;z-index:12;pointer-events:none;will-change:transform;line-height:0;filter:drop-shadow(0 2px 3px #152b3220)}
.reading-seed[hidden],.seed-arrival[hidden]{display:none}
.seed-arrival{display:flex;justify-content:flex-end;align-items:center;gap:1.1rem;margin:-1.5rem 0 2.3rem;pointer-events:none}
.seed-arrival__bloom{display:block;width:62px;height:93px;flex:none;transform-origin:50% 100%;color:#f8f7f2}
.seed-arrival__bloom .sunflower{width:100%;height:100%;overflow:visible}.seed-arrival__bloom .sunflower__petals{fill:#f3cf42}.seed-arrival__bloom .sunflower__disc{fill:#152b32}
.seed-arrival p{font-family:var(--serif);font-size:1.25rem;color:#f8e58e;margin:0;max-width:19ch;line-height:1.25}
@media(max-width:1099px){.reading-seed,.seed-arrival{display:none}}
@media print{.reading-seed,.seed-arrival{display:none}}

/* Amarillo girasol en la barra nativa donde el navegador permite personalizarla. */
html{scrollbar-color:var(--sun) var(--paper-2)}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:var(--sun);border:3px solid var(--paper-2);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#dfba28}
::-webkit-scrollbar-corner{background:var(--paper-2)}
@media(forced-colors:active){html{scrollbar-color:auto}}

/* Cabecera cálida en móvil, con navegación desplegada sobre fondo claro. */
@media(max-width:759px){
 .site-header{background:var(--sun);color:var(--ink);border-bottom-color:rgba(21,43,50,.2)}
 .site-header .brand,.site-header .brand:hover,.site-header .nav-toggle,.site-header .lang-switch a{color:var(--ink)}
 .site-header .nav-toggle{border-color:rgba(21,43,50,.5)}
 .site-header .nav-toggle:hover,.site-header .nav-toggle[aria-expanded="true"]{background:rgba(248,247,242,.3)}
 .site-header .lang-switch a[aria-current="true"]{box-shadow:inset 0 -2px 0 var(--ink)}
 .site-header .site-nav{background:var(--paper);color:var(--ink)}
 .site-header :focus-visible{outline-color:var(--ink)}
}

/* La misma identidad cálida en escritorio y tableta. */
@media(min-width:760px){
 .site-header{background:var(--sun);color:var(--ink);border-bottom-color:rgba(21,43,50,.2)}
 .site-header .brand,.site-header .brand:hover,.site-header .site-nav a,.site-header .lang-switch a{color:var(--ink)}
 .site-header .site-nav a::after{background:var(--ink)}
 .site-header .lang-switch a[aria-current="true"]{box-shadow:inset 0 -2px 0 var(--ink)}
 .site-header .header-cta{background:var(--ink);color:var(--paper);border-color:var(--ink)}
 .site-header .header-cta:hover{background:#28505b;border-color:#28505b}
 .site-header .nav-toggle{color:var(--ink);border-color:rgba(21,43,50,.5)}
 .site-header :focus-visible{outline-color:var(--ink)}
}
@media(min-width:1100px){
 .seed-arrival{gap:1.4rem}
 .seed-arrival__bloom{width:92px;height:138px;order:2}
 .seed-arrival p{order:1;text-align:right}
}

/* Misma ilustración que el girasol principal, a mitad de tamaño. */
.seed-arrival__bloom{color:var(--ink)}
.seed-arrival__bloom .sunflower__petals{fill:var(--paper)}
.seed-arrival__bloom .sunflower__disc{fill:var(--sun)}
.seed-arrival__bloom .sunflower__stem{stroke:var(--paper)}

/* Presentación e historia forman una lectura continua. */
.about-sun-intro{min-height:0;padding-bottom:1rem}
.about-sun-history{min-height:0;padding-top:.75rem;padding-bottom:2rem}
.about-sun-history h2{margin-top:.35rem;margin-bottom:1rem}
@media(max-width:759px){
 .about-sun-intro{padding-bottom:.25rem}
 .about-sun-history{grid-row:2;padding-top:.75rem;padding-bottom:1.5rem}
 .about-sun-stage{grid-row:3;min-height:72vh;margin-top:.5rem}
}
@media(prefers-reduced-motion:reduce){.about-sun-stage{min-height:0}}