/* ============================================================
   ESTRELLA 17 — Sistema visual compartido
   Tokens, base, header/nav, botones, estados de etapa,
   footer y barra móvil. Usado por index.html y etapa.html.
   ============================================================ */

:root{
  --turquoise:#00e0d0;
  --turquoise-deep:#00b3a6;
  --turquoise-glow:rgba(0,224,208,.35);
  --black:#111111;
  --white:#ffffff;
  --grey:#f3f4f4;
  --grey-line:#e2e5e5;
  --night:#10191a;
  --night-soft:#182527;
  --ink-60:rgba(17,17,17,.62);
  --ink-40:rgba(17,17,17,.42);
  --white-70:rgba(255,255,255,.72);
  --white-45:rgba(255,255,255,.46);

  --font-display:"Archivo",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;

  --header-h:78px;
  --maxw:1200px;
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--font-body);
  color:var(--black);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:3px solid var(--turquoise);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
@media(min-width:768px){.wrap{padding-inline:40px}}

.eyebrow{
  font-family:var(--font-display);
  font-weight:700;
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--turquoise-deep);
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--turquoise);display:inline-block}
.eyebrow.on-dark{color:var(--turquoise)}

h2.section-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.9rem,6vw,3.2rem);
  line-height:1.02;
  letter-spacing:-.02em;
  margin:.5em 0 .4em;
}
.lede{font-size:clamp(1rem,3.4vw,1.18rem);color:var(--ink-60);max-width:56ch}
.on-dark .lede,.dark .lede{color:var(--white-70)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--header-h);
  display:flex;align-items:center;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),color .3s var(--ease);
  color:var(--white);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;letter-spacing:-.01em;font-size:1.02rem}
.brand .star{width:22px;height:22px;flex:0 0 auto;color:var(--turquoise)}
.brand .logo{height:54px;width:auto;flex:0 0 auto;display:block}
@media(max-width:420px){.brand .logo{height:44px}}
.brand .logo-dark{display:none}
.site-header.scrolled .brand .logo-light{display:none}
.site-header.scrolled .brand .logo-dark{display:block}
.brand small{display:block;font-family:var(--font-body);font-weight:600;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;opacity:.7}
.nav{display:none;align-items:center;gap:28px}
.nav a{font-weight:600;font-size:.92rem;position:relative;padding:6px 0;opacity:.9;transition:opacity .2s}
.nav a:hover{opacity:1}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--turquoise);transition:width .25s var(--ease)}
.nav a:hover::after{width:100%}
.header-cta{display:none}
@media(min-width:960px){.nav{display:flex}.header-cta{display:inline-flex}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-display);font-weight:700;letter-spacing:.01em;
  font-size:.95rem;padding:.78em 1.35em;border-radius:999px;
  transition:transform .18s var(--ease),background .2s,color .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--turquoise);color:var(--night);box-shadow:0 6px 20px -6px var(--turquoise-glow)}
.btn-primary:hover{background:#1cead9;transform:translateY(-2px);box-shadow:0 12px 28px -8px var(--turquoise-glow)}
.btn-ghost{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--turquoise);color:var(--turquoise);transform:translateY(-2px)}
.btn-dark{background:var(--night);color:var(--white)}
.btn-dark:hover{background:#223436;transform:translateY(-2px)}
.btn-lg{font-size:1.05rem;padding:.95em 1.7em}
.btn-block{width:100%}

/* header scrolled state */
.site-header.scrolled{background:var(--white);color:var(--night);box-shadow:0 1px 0 var(--grey-line),0 10px 30px -20px rgba(0,0,0,.4)}
.site-header.scrolled .brand small{opacity:.55}
.site-header.scrolled .btn-ghost{color:var(--night);border-color:rgba(17,17,17,.2)}
.site-header.scrolled .btn-ghost:hover{color:var(--turquoise-deep);border-color:var(--turquoise)}

.nav-toggle{display:inline-flex;flex-direction:column;gap:5px;padding:8px;background:none}
.nav-toggle span{width:24px;height:2px;background:currentColor;transition:.25s var(--ease)}
@media(min-width:960px){.nav-toggle{display:none}}
.mobile-menu{
  position:fixed;inset:var(--header-h) 0 0;z-index:55;
  background:var(--night);color:var(--white);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
  display:flex;flex-direction:column;padding:28px 24px;gap:6px;
}
.mobile-menu.open{opacity:1;transform:none;pointer-events:auto}
.mobile-menu a{font-family:var(--font-display);font-weight:700;font-size:1.5rem;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-menu .btn{margin-top:18px}

.stage-panel__link{font-size:.85rem;font-weight:700;color:var(--turquoise-deep);display:inline-flex;align-items:center;gap:6px}
.stage-panel__link:hover{text-decoration:underline}

/* panel de etapa */
.stage-panel{background:var(--white);border-radius:var(--radius);border:1px solid var(--grey-line);padding:24px;display:flex;flex-direction:column;min-height:100%}
.stage-panel__day{font-family:var(--font-display);font-weight:800;color:var(--turquoise-deep);letter-spacing:.14em;text-transform:uppercase;font-size:.8rem}
.stage-panel__date{font-family:var(--font-display);font-weight:700;color:var(--ink-40);letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;margin-left:.5em}
.stage-panel__name{font-family:var(--font-display);font-weight:900;font-size:clamp(1.8rem,6vw,2.6rem);line-height:1;letter-spacing:-.02em;margin:6px 0 4px}
.stage-panel__place{color:var(--ink-60);font-weight:600;font-size:.95rem}
.stage-panel__status{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:.4em .8em;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.status--todo{background:var(--grey);color:var(--ink-60)}
.status--next{background:rgba(0,224,208,.14);color:var(--turquoise-deep)}
.status--done{background:var(--night);color:var(--turquoise)}
.stage-panel__disc{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.disc{background:var(--grey);border-radius:10px;padding:12px 10px;text-align:center}
.disc .dv{font-family:var(--font-display);font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.disc .du{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-40);margin-top:2px;font-weight:600}
.stage-panel__foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}
.stage-panel__hint{font-size:.78rem;color:var(--ink-40)}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{background:#0b1112;color:var(--white-45);padding:40px 0 120px;font-size:.82rem}
@media(min-width:768px){.foot{padding-bottom:48px}}
.foot__row{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
@media(min-width:720px){.foot__row{flex-direction:row;justify-content:space-between;align-items:center}}
.foot .brand{color:#fff}
.foot a:hover{color:var(--turquoise)}

/* ============================================================
   BARRA MÓVIL FIJA
   ============================================================ */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:1fr 1fr;
  background:var(--night);border-top:1px solid rgba(255,255,255,.08);box-shadow:0 -8px 24px -12px rgba(0,0,0,.6)}
.mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 8px;font-family:var(--font-display);font-weight:700;font-size:.92rem;color:#fff}
.mobile-bar a.donate{background:var(--turquoise);color:var(--night)}
@media(min-width:768px){.mobile-bar{display:none}}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  #travelStar,.scroll-hint .mouse::after{animation:none}
  .route-line{stroke-dasharray:none !important;stroke-dashoffset:0 !important}
}