/* ============================================================
   ENNY TORO · sistema de diseño compartido
   Lo usan: index, blog, articulo, academia, campus, admin
   Los colores se cambian SOLO aquí, vía variables.
============================================================ */
:root{
  --bg:#F7F4EF;
  --bg-deep:#EFE9DF;
  --ink:#141110;
  --ink-2:#6C6259;
  --ink-3:#9A9187;
  --wine:#6E1423;
  --wine-soft:#8E2436;
  --gold:#B08442;
  --gold-2:#D8B87C;

  --fill:#6E1423;
  --fill-ink:#FFFFFF;
  --fill-hov:#141110;

  --glass:rgba(255,255,255,.55);
  --glass-2:rgba(255,255,255,.34);
  --glass-brd:rgba(255,255,255,.75);
  --glass-hi:rgba(255,255,255,.9);
  --panel:#F9F6F1;
  --hair:rgba(20,17,16,.10);
  --shadow:0 24px 60px -22px rgba(24,18,14,.32);
  --shadow-s:0 10px 30px -14px rgba(24,18,14,.24);

  --ok:#2F7D55;
  --warn:#B0763A;
  --err:#B23A48;

  --serif:'Playfair Display',Georgia,serif;
  --sans:'Jost',-apple-system,'Segoe UI',sans-serif;
  --ez:cubic-bezier(.22,1,.36,1);
  --nav-h:74px;
}
html[data-theme="dark"]{
  --bg:#0C0A09;
  --bg-deep:#141110;
  --ink:#F6F2EB;
  --ink-2:#A79E93;
  --ink-3:#6E665D;
  --wine:#D2637A;
  --wine-soft:#E0879A;
  --gold:#D9B071;
  --gold-2:#F0D5A4;

  --fill:#F0E6D6;
  --fill-ink:#14100D;
  --fill-hov:#D9B071;

  --glass:rgba(255,255,255,.07);
  --glass-2:rgba(255,255,255,.045);
  --glass-brd:rgba(255,255,255,.14);
  --glass-hi:rgba(255,255,255,.22);
  --panel:#131110;
  --hair:rgba(255,255,255,.11);
  --shadow:0 24px 60px -22px rgba(0,0,0,.7);
  --shadow-s:0 10px 30px -14px rgba(0,0,0,.55);

  --ok:#5FBE8C;
  --warn:#D9A868;
  --err:#E8808F;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:var(--sans);font-weight:300;background:var(--bg);color:var(--ink);
  line-height:1.75;letter-spacing:.005em;-webkit-font-smoothing:antialiased;
  overflow-x:clip;transition:background .5s var(--ez),color .5s var(--ez);
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none}
::selection{background:var(--wine);color:#fff}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:var(--ink-3);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--gold)}

.wrap{width:min(1180px,90vw);margin-inline:auto}
.wrap-n{width:min(920px,90vw);margin-inline:auto}
.eyebrow{font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);
  font-weight:400;display:block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.06;letter-spacing:-.015em}
h2{font-size:clamp(2.1rem,4.6vw,3.6rem)}
em{font-style:italic;color:var(--wine)}
.muted{color:var(--ink-2)}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ez),transform .9s var(--ez)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.08s}
.rv[data-d="2"]{transition-delay:.16s}
.rv[data-d="3"]{transition-delay:.24s}
.rv[data-d="4"]{transition-delay:.32s}

/* ---------- cursor ---------- */
.cur,.cur-r{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;
  mix-blend-mode:difference;will-change:transform}
.cur{width:6px;height:6px;background:#fff;margin:-3px 0 0 -3px}
.cur-r{width:38px;height:38px;border:1px solid rgba(255,255,255,.6);margin:-19px 0 0 -19px;
  transition:width .3s var(--ez),height .3s var(--ez),margin .3s var(--ez),border-color .3s}
.cur-r.hot{width:66px;height:66px;margin:-33px 0 0 -33px;border-color:rgba(255,255,255,.95)}
body.no-cur .cur,body.no-cur .cur-r{display:none}
@media (hover:none),(pointer:coarse){.cur,.cur-r{display:none!important}}

/* ---------- nav ---------- */
header.site{position:fixed;inset:16px 0 auto;z-index:200;display:flex;justify-content:center;
  padding:0 4vw;pointer-events:none}
.bar{pointer-events:auto;display:flex;align-items:center;gap:clamp(.6rem,1.6vw,1.6rem);
  width:min(1180px,100%);padding:.5rem .55rem .5rem 1.3rem;border-radius:999px;
  background:var(--glass);backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  border:1px solid var(--glass-brd);box-shadow:var(--shadow-s);
  transition:background .5s var(--ez),border-color .5s var(--ez),box-shadow .4s var(--ez),transform .5s var(--ez)}
header.tuck .bar{transform:translateY(-4px) scale(.985);box-shadow:0 18px 44px -20px rgba(24,18,14,.4)}
.logo{font-family:var(--serif);font-size:1.12rem;letter-spacing:-.02em;white-space:nowrap;margin-right:auto}
.logo b{font-weight:500}
.logo i{font-style:normal;color:var(--gold)}

.links{display:flex;align-items:center;gap:.15rem;position:relative}
.links a{position:relative;z-index:2;padding:.55rem .82rem;border-radius:999px;
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);
  transition:color .35s var(--ez);white-space:nowrap}
.links a:hover,.links a.on{color:var(--ink)}
#pill{position:absolute;z-index:1;top:0;left:0;height:100%;border-radius:999px;
  background:var(--glass-2);border:1px solid var(--glass-brd);
  opacity:0;transition:transform .55s var(--ez),width .55s var(--ez),opacity .35s}

.tools{display:flex;align-items:center;gap:.45rem}
.icb{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  background:var(--glass-2);border:1px solid var(--glass-brd);
  transition:transform .4s var(--ez),background .35s}
.icb:hover{transform:translateY(-1px) scale(1.06);background:var(--glass-hi)}
.icb svg{width:17px;height:17px;stroke:var(--ink);fill:none;stroke-width:1.5;stroke-linecap:round}
html[data-theme="light"] .ic-moon{display:block}
html[data-theme="light"] .ic-sun{display:none}
html[data-theme="dark"] .ic-moon{display:none}
html[data-theme="dark"] .ic-sun{display:block}

.cta{padding:.62rem 1.3rem;border-radius:999px;background:var(--ink);color:var(--bg);
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;
  transition:transform .4s var(--ez),box-shadow .4s var(--ez)}
.cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(24,18,14,.55)}

.burger{display:none;width:38px;height:38px;border-radius:999px;background:var(--glass-2);
  border:1px solid var(--glass-brd);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:15px;height:1.4px;background:var(--ink);
  transition:transform .4s var(--ez),opacity .3s}
header.open .burger span:nth-child(1){transform:translateY(5.4px) rotate(45deg)}
header.open .burger span:nth-child(2){opacity:0}
header.open .burger span:nth-child(3){transform:translateY(-5.4px) rotate(-45deg)}

/* ---------- botones ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  overflow:hidden;padding:1rem 2rem;border-radius:999px;font-size:.72rem;letter-spacing:.19em;
  text-transform:uppercase;transition:transform .45s var(--ez),box-shadow .45s var(--ez),color .4s;
  cursor:pointer}
.btn span{position:relative;z-index:2}
.btn::before{content:'';position:absolute;inset:0;z-index:1;border-radius:inherit;
  transform:translateY(101%);transition:transform .5s var(--ez)}
.btn:hover::before{transform:none}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}
.btn-fill{background:var(--fill);color:var(--fill-ink);box-shadow:0 16px 36px -16px rgba(24,18,14,.5)}
.btn-fill::before{background:var(--fill-hov)}
.btn-fill:hover{transform:translateY(-3px);box-shadow:0 22px 46px -18px rgba(24,18,14,.6)}
.btn-ghost{border:1px solid var(--hair);background:var(--glass-2);color:var(--ink);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.btn-ghost::before{background:var(--ink)}
.btn-ghost:hover{color:var(--bg);transform:translateY(-3px)}
.btn-sm{padding:.68rem 1.3rem;font-size:.65rem;letter-spacing:.14em}

/* ---------- superficies ---------- */
.glass{background:var(--glass);backdrop-filter:blur(16px) saturate(165%);
  -webkit-backdrop-filter:blur(16px) saturate(165%);
  border:1px solid var(--glass-brd);border-radius:22px}
.sheet{background:var(--glass);backdrop-filter:blur(18px) saturate(165%);
  -webkit-backdrop-filter:blur(18px) saturate(165%);
  border:1px solid var(--glass-brd);border-radius:24px;box-shadow:var(--shadow-s);
  padding:clamp(1.4rem,3vw,2.2rem)}
.frame{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .6s var(--ez),box-shadow .6s var(--ez);background:var(--bg-deep)}
.frame img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ez)}
.frame:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.frame:hover img{transform:scale(1.06)}
.frame .cap{position:absolute;inset:auto 10px 10px;padding:.75rem 1rem;border-radius:14px;
  background:rgba(20,17,16,.32);backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;
  opacity:0;transform:translateY(8px);transition:all .45s var(--ez)}
.frame:hover .cap{opacity:1;transform:none}

.tag{display:inline-block;padding:.45rem 1rem;border-radius:999px;font-size:.66rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);background:var(--glass);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-brd);transition:all .4s var(--ez)}
a.tag:hover,button.tag:hover{color:var(--ink);transform:translateY(-2px);border-color:var(--gold)}
.tag.on{background:var(--fill);color:var(--fill-ink);border-color:transparent}

/* ---------- formularios ---------- */
.fld{display:grid;gap:.45rem;position:relative}
.fld label{font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2)}
.fld input,.fld textarea,.fld select{
  padding:.95rem 1.1rem;border-radius:14px;border:1px solid var(--hair);
  background:var(--bg);color:var(--ink);font:inherit;font-size:.96rem;width:100%;
  transition:border-color .35s,box-shadow .35s,background .4s}
.fld input:focus,.fld textarea:focus,.fld select:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(176,132,66,.14)}
.fld textarea{resize:vertical;min-height:120px}
.fld .hint{font-size:.74rem;color:var(--ink-3)}
.fld.bad input,.fld.bad textarea{border-color:var(--err)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.eye{position:absolute;right:.7rem;bottom:.55rem;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;color:var(--ink-3);transition:color .3s,background .3s}
.eye:hover{color:var(--ink);background:var(--glass-2)}
.eye svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6}

/* ---------- avisos ---------- */
.msg{padding:.85rem 1.1rem;border-radius:14px;font-size:.88rem;line-height:1.5;
  border:1px solid var(--hair);background:var(--glass-2);display:none}
.msg.show{display:block}
.msg.ok{border-color:color-mix(in srgb,var(--ok) 45%,transparent);color:var(--ok)}
.msg.err{border-color:color-mix(in srgb,var(--err) 45%,transparent);color:var(--err)}
.msg.info{color:var(--ink-2)}

/* ---------- footer ---------- */
footer.site{background:var(--bg-deep);border-top:1px solid var(--hair);
  padding:clamp(3rem,6vw,4.5rem) 0 1.8rem}
.ft{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem;
  padding-bottom:2.6rem;border-bottom:1px solid var(--hair)}
.ft h4{font-size:1.5rem;margin-bottom:.7rem}
.ft p{color:var(--ink-2);font-size:.92rem;max-width:32ch}
.ft .col h5{font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);
  margin-bottom:1rem;font-weight:400}
.ft .col a{display:block;font-size:.92rem;color:var(--ink-2);padding:.3rem 0;
  transition:color .3s,transform .35s var(--ez)}
.ft .col a:hover{color:var(--ink);transform:translateX(4px)}
.soc{display:flex;gap:.5rem;margin-top:1.2rem}
.soc a{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:var(--glass-2);border:1px solid var(--hair);
  transition:transform .4s var(--ez),background .35s,border-color .35s}
.soc a:hover{transform:translateY(-3px);background:var(--glass);border-color:var(--gold)}
.soc svg{width:17px;height:17px;fill:var(--ink)}
.ft-btm{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-top:1.6rem;font-size:.76rem;color:var(--ink-3);letter-spacing:.06em}

/* ---------- utilidades ---------- */
.spin{width:18px;height:18px;border-radius:50%;border:2px solid var(--hair);
  border-top-color:var(--gold);animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.skel{background:linear-gradient(90deg,var(--glass-2),var(--glass),var(--glass-2));
  background-size:200% 100%;animation:sk 1.4s ease-in-out infinite;border-radius:12px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.center{text-align:center}
.hide{display:none!important}

@media (max-width:900px){
  .links{position:fixed;inset:calc(var(--nav-h) + 26px) 4vw auto;flex-direction:column;
    align-items:stretch;gap:.2rem;padding:.7rem;border-radius:24px;
    background:var(--panel);backdrop-filter:blur(24px) saturate(180%);
    -webkit-backdrop-filter:blur(24px) saturate(180%);
    border:1px solid var(--glass-brd);box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .45s var(--ez)}
  header.open .links{opacity:1;visibility:visible;transform:none}
  .links a{padding:.75rem 1rem;font-size:.78rem;letter-spacing:.16em}
  #pill{display:none}
  .burger{display:flex}
  .cta{display:none}
  .ft{grid-template-columns:1fr 1fr;gap:2.2rem}
  .two{grid-template-columns:1fr}
}
@media (max-width:720px){
  .ft{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}