/* Bloque Austral: sistema visual compartido (landing + manual).
   Concepto: noche en el mundo de bloques. Cielo profundo, vidrio, un acento verde pasto y un dorado para premios. */
:root{
  --bg:#0a1210; --bg2:#0f1a16; --surface:rgba(255,255,255,.045); --surface2:rgba(255,255,255,.075); --line:rgba(255,255,255,.10); --line2:rgba(255,255,255,.18);
  --ink:#ecf3ed; --muted:#9fb2a5; --faint:#6f8576;
  --accent:#6fd47f; --accent-ink:#06130a; --accent-soft:rgba(111,212,127,.14); --accent2:#7cc4f5; --gold:#ffd166; --gold-soft:rgba(255,209,102,.12); --red:#ff8a7a;
  --sky1:#07111f; --sky2:#173f5c; --glow:rgba(111,212,127,.32);
  --code:#18251f; --shadow:0 24px 60px -30px rgba(0,0,0,.7);
  --display:"Bricolage Grotesque",system-ui,sans-serif; --body:"Atkinson Hyperlegible",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --r:18px; color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f2f6ef; --bg2:#e6eee2; --surface:rgba(255,255,255,.78); --surface2:#ffffff; --line:rgba(20,50,30,.12); --line2:rgba(20,50,30,.22);
  --ink:#13231a; --muted:#4b6253; --faint:#7a8e80;
  --accent:#2a8a3d; --accent-ink:#fff; --accent-soft:rgba(42,138,61,.12); --accent2:#1c5f94; --gold:#a86f00; --gold-soft:rgba(200,140,0,.12); --red:#b3412f;
  --sky1:#7cc8f2; --sky2:#d6efff; --glow:rgba(42,138,61,.25); --code:#e7efe3; --shadow:0 24px 50px -30px rgba(20,50,30,.35); color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--body);overflow-x:hidden}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.08;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
code,kbd{font-family:var(--mono);font-size:.86em;background:var(--code);border:1px solid var(--line);padding:2px 7px;border-radius:7px;overflow-wrap:anywhere}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px;border-radius:8px}

/* ---------- barra superior ---------- */
.topbar{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.topbar.solid{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);border-color:var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 18px var(--display);letter-spacing:-.01em;white-space:nowrap}
.brand img{width:28px;height:28px;image-rendering:pixelated;border-radius:6px;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.brand span b{color:var(--accent)}
.links{display:flex;gap:4px;margin-left:auto;align-items:center}
.links a{text-decoration:none;font-weight:700;font-size:15px;padding:8px 13px;border-radius:11px;color:var(--muted);transition:color .2s,background .2s}
.links a:hover,.links a[aria-current="page"]{color:var(--ink);background:var(--surface2)}
.links a.pill{background:var(--accent);color:var(--accent-ink)}
.links a.pill:hover{filter:brightness(1.08);background:var(--accent);color:var(--accent-ink)}
.iconbtn{flex:none;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;font-size:17px}
.iconbtn:hover{border-color:var(--line2)}
.menu-btn{display:none}
@media (max-width:760px){
  .menu-btn{display:grid;margin-left:auto}
  .links{position:fixed;top:64px;left:12px;right:12px;flex-direction:column;align-items:stretch;padding:10px;border-radius:18px;background:var(--bg2);border:1px solid var(--line);box-shadow:var(--shadow);
    opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s;margin:0}
  .links.open{opacity:1;transform:none;pointer-events:auto}
  .links a{padding:12px 14px}
}

/* ---------- elementos comunes ---------- */
.eyebrow{display:inline-block;font:700 12.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.badge{display:inline-flex;gap:9px;align-items:center;padding:7px 15px;border:1px solid var(--line);background:var(--surface);border-radius:99px;font-size:14px;color:var(--muted);backdrop-filter:blur(8px)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--glow);animation:ping 2.2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 var(--glow)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;cursor:pointer;text-decoration:none;font:700 16px var(--body);padding:13px 20px;border-radius:14px;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 30px -10px var(--glow)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px var(--glow)}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line2);backdrop-filter:blur(8px)}
.btn.ghost:hover{transform:translateY(-2px);border-color:var(--accent)}
.addr{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:8px 8px 8px 18px;backdrop-filter:blur(12px);max-width:100%;box-shadow:var(--shadow)}
.addr .lbl{font:700 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.addr code{background:none;border:0;padding:0;font:600 clamp(15px,3.4vw,19px) var(--mono);color:var(--ink)}
.addr .btn{padding:10px 16px;font-size:15px;border-radius:12px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(10px)}
.toast{position:fixed;left:50%;bottom:26px;z-index:90;transform:translate(-50%,24px);opacity:0;background:var(--accent);color:var(--accent-ink);font-weight:700;padding:12px 20px;border-radius:13px;box-shadow:var(--shadow);transition:.28s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 70%);opacity:.5}

/* cielo animado (compartido por los dos encabezados) */
.sky{position:absolute;inset:0;background:linear-gradient(180deg,var(--sky1),var(--sky2) 72%,var(--bg));overflow:hidden}
.stars,.stars::before{position:absolute;inset:0;content:"";
  background-image:radial-gradient(2px 2px at 12% 18%,#fff,transparent),radial-gradient(1.5px 1.5px at 30% 40%,#fff,transparent),radial-gradient(2px 2px at 55% 12%,#fff,transparent),
  radial-gradient(1.5px 1.5px at 72% 30%,#fff,transparent),radial-gradient(2px 2px at 88% 16%,#fff,transparent),radial-gradient(1.5px 1.5px at 44% 26%,#fff,transparent),
  radial-gradient(1.5px 1.5px at 20% 55%,#fff,transparent),radial-gradient(2px 2px at 92% 48%,#fff,transparent),radial-gradient(1px 1px at 64% 52%,#fff,transparent),radial-gradient(1px 1px at 6% 36%,#fff,transparent);
  animation:tw 5s ease-in-out infinite alternate}
.stars::before{transform:translate(70px,50px) scale(1.25);opacity:.55;animation-duration:7s;animation-direction:alternate-reverse}
@keyframes tw{from{opacity:.3}to{opacity:1}}
.moon{position:absolute;top:13%;right:11%;width:54px;height:54px;background:#f3f1df;box-shadow:0 0 60px 14px rgba(243,241,223,.18);image-rendering:pixelated;
  clip-path:polygon(0 15%,15% 15%,15% 0,85% 0,85% 15%,100% 15%,100% 85%,85% 85%,85% 100%,15% 100%,15% 85%,0 85%)}
.moon::after{content:"";position:absolute;left:20%;top:30%;width:22%;height:22%;background:#d9d6bd;box-shadow:22px 10px 0 -2px #d9d6bd,6px 22px 0 -4px #d9d6bd}
:root[data-theme="light"] .stars{display:none}
:root[data-theme="light"] .moon{background:#fff3b0;box-shadow:0 0 80px 30px rgba(255,236,150,.55)}
:root[data-theme="light"] .moon::after{display:none}
.cloud{position:absolute;height:30px;width:100px;background:rgba(255,255,255,.12);box-shadow:30px -16px 0 rgba(255,255,255,.12),62px 0 0 rgba(255,255,255,.12);animation:drift linear infinite;left:-180px}
:root[data-theme="light"] .cloud{background:rgba(255,255,255,.85);box-shadow:30px -16px 0 rgba(255,255,255,.85),62px 0 0 rgba(255,255,255,.85)}
.c1{top:17%;animation-duration:70s}.c2{top:31%;animation-duration:96s;animation-delay:-45s;scale:.7}.c3{top:9%;animation-duration:125s;animation-delay:-85s;scale:1.25}
@keyframes drift{to{transform:translateX(calc(100vw + 360px))}}
.hills{position:absolute;left:0;right:0;bottom:0;height:150px}
.hills i{position:absolute;inset:auto 0 0 0;display:block}
.hills .h1{height:120px;background:#12332a;opacity:.65;clip-path:polygon(0 60%,6% 60%,6% 40%,14% 40%,14% 55%,22% 55%,22% 25%,30% 25%,30% 45%,40% 45%,40% 30%,48% 30%,48% 50%,58% 50%,58% 20%,66% 20%,66% 40%,76% 40%,76% 30%,84% 30%,84% 50%,92% 50%,92% 35%,100% 35%,100% 100%,0 100%)}
.hills .h2{height:70px;background:linear-gradient(var(--accent) 0 14px,#6b4a2b 14px)}
.hills .h2::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(0,0,0,.14) 0 2px,transparent 2px 36px),repeating-linear-gradient(0deg,rgba(0,0,0,.1) 0 2px,transparent 2px 18px);mix-blend-mode:multiply}
:root[data-theme="light"] .hills .h1{background:#4f8f5c;opacity:.45}

/* pie */
.foot{border-top:1px solid var(--line);background:linear-gradient(var(--bg),var(--bg2));padding:56px 0 40px}
.foot .wrap{display:grid;gap:26px;grid-template-columns:1.4fr 1fr 1fr}
.foot h4{font:700 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0 0 12px}
.foot a{display:block;text-decoration:none;color:var(--muted);padding:3px 0}
.foot a:hover{color:var(--accent)}
.foot .big{font:800 26px var(--display);margin:10px 0 6px}
.foot .small{color:var(--muted);font-size:15px}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;color:var(--faint);font-size:13.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr 1fr}.foot .about{grid-column:1/-1}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}
.dot.off{background:var(--red);animation:none;box-shadow:none}
.badge b{color:var(--ink)}
.foot a.brand{display:flex;align-items:center;gap:10px;padding:0;color:var(--ink);margin-bottom:4px}
.foot a.brand:hover{color:var(--ink)}