/* Menú principal: barra flotante de vidrio, paneles con vista previa y hoja para celular.
   Usa las variables de site.css. El comportamiento está en /js/nav.js. */

@property --nav-angle{syntax:'<angle>';initial-value:0deg;inherits:false}

.sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.nav-shell{--nav-h:68px;--slant:-16deg;position:sticky;top:0;z-index:50;padding:12px clamp(10px,2vw,22px) 0;pointer-events:none}
.nav-bar{pointer-events:auto;position:relative;max-width:1340px;margin-inline:auto;height:var(--nav-h);display:flex;align-items:stretch;border-radius:18px;
  background:linear-gradient(180deg,rgba(26,29,36,.80),rgba(11,12,16,.80));
  -webkit-backdrop-filter:blur(20px) saturate(150%);backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 18px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.07);transition:box-shadow .3s,height .3s}
.nav-shell.is-scrolled .nav-bar{box-shadow:0 22px 60px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.08)}

/* Borde de luz con los colores de la marca, girando despacio */
.nav-bar::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:conic-gradient(from var(--nav-angle),rgba(255,255,255,.10) 0deg,rgba(255,106,0,.65) 50deg,rgba(255,255,255,.08) 110deg,rgba(31,91,255,.75) 190deg,rgba(23,201,100,.45) 250deg,rgba(255,255,255,.10) 320deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  animation:nav-spin 16s linear infinite}
@keyframes nav-spin{to{--nav-angle:360deg}}

/* Separadores inclinados entre logo, menú y acciones */
.nav-logo,.nav-main,.nav-actions{position:relative}
.nav-logo::after,.nav-actions::before{content:"";position:absolute;top:12px;bottom:12px;width:1px;background:linear-gradient(transparent,rgba(255,255,255,.22),transparent);transform:skewX(var(--slant))}
.nav-logo::after{right:0}
.nav-actions::before{left:0}

.nav-logo{display:flex;align-items:center;flex:none;padding:0 26px 0 18px;border-radius:18px 0 0 18px}
.nav-logo img{display:block;height:48px;width:auto;transition:transform .4s var(--ease),filter .4s}
.nav-logo:hover img{transform:translateY(-1px);filter:drop-shadow(0 0 14px rgba(31,91,255,.45))}

/* Secciones */
.nav-main{flex:1;min-width:0}
.nav-list{display:flex;align-items:stretch;justify-content:center;height:100%;margin:0;padding:0 8px;list-style:none;gap:2px}
.nav-item{display:flex;align-items:center}
.nav-link{position:relative;z-index:1;display:flex;align-items:center;height:100%;padding:0 16px;font:600 .9rem/1 var(--body);letter-spacing:.005em;color:var(--niebla);white-space:nowrap;transition:color .2s}
.nav-item:has(.nav-caret) .nav-link{padding-right:4px}
.nav-link::before{content:"";position:absolute;z-index:-1;top:12px;bottom:12px;left:2px;right:2px;border-radius:7px;transform:skewX(var(--slant));background:transparent;transition:background .25s,box-shadow .25s}
.nav-item:has(.nav-caret) .nav-link::before{right:-30px}
.nav-item:hover .nav-link,.nav-item.is-open .nav-link{color:var(--blanco)}
.nav-item:hover .nav-link::before,.nav-item.is-open .nav-link::before{background:rgba(255,255,255,.07)}
.nav-item.is-active .nav-link{color:var(--negro)}
.nav-item.is-active .nav-link::before{background:var(--papel);box-shadow:0 0 26px rgba(255,255,255,.16)}

.nav-caret{position:relative;z-index:2;display:grid;place-items:center;height:100%;width:32px;padding:0 12px 0 2px;margin:0;border:0;background:none;color:var(--niebla);cursor:pointer}
.nav-caret svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.nav-item:hover .nav-caret,.nav-item.is-open .nav-caret{color:var(--blanco)}
.nav-item.is-active .nav-caret{color:var(--negro)}
.nav-item.is-open .nav-caret svg{transform:rotate(180deg)}

/* Panel desplegable */
.nav-panel{position:absolute;top:calc(100% + 12px);left:0;width:min(900px,calc(100vw - 48px));display:grid;grid-template-columns:310px minmax(0,1fr);padding:8px;border-radius:20px;
  background:linear-gradient(160deg,#1A1D24 0%,#0E1014 55%,#090A0D 100%);
  border:1px solid rgba(255,255,255,.10);box-shadow:0 40px 90px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.06);
  opacity:0;visibility:hidden;transform:translateY(-10px) scale(.985);transform-origin:top left;
  transition:opacity .22s ease,transform .34s var(--ease),visibility 0s linear .34s}
.nav-panel::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.nav-item.is-open .nav-panel{opacity:1;visibility:visible;transform:none;transition-delay:0s}

.panel-list{display:flex;flex-direction:column;gap:2px;margin:0;padding:6px;list-style:none}
.panel-link{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr) 16px;align-items:center;gap:12px;min-height:46px;padding:8px 12px;border-radius:12px;color:var(--niebla);font:500 .92rem/1.25 var(--body);transition:background .2s,color .2s}
.panel-link>svg{width:20px;height:20px;justify-self:center}
.panel-link .go{width:16px;height:16px;opacity:.3;transform:translateX(-4px);transition:transform .25s var(--ease),opacity .25s,color .25s}
.panel-link:hover,.panel-link:focus-visible,.panel-link.is-current{background:rgba(255,255,255,.06);color:var(--blanco)}
.panel-link.is-current::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:linear-gradient(var(--naranja),var(--azul))}
.panel-link.is-current .go{opacity:1;transform:none;color:var(--naranja)}
.panel-link.is-overview{margin-bottom:8px;color:var(--blanco);font-weight:600;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.panel-logo{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--blanco);overflow:hidden}
.panel-logo img{display:block;max-width:24px;max-height:18px;object-fit:contain}

/* Vista previa */
.panel-preview{position:relative;display:block;min-height:330px;margin:6px;border-radius:14px;overflow:hidden;background:#07080A;isolation:isolate}
.panel-preview>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1.4s var(--ease),opacity .3s}
.nav-item.is-open .panel-preview>img{transform:scale(1)}
.panel-preview::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(7,8,10,.05) 25%,rgba(7,8,10,.94))}
.preview-grid{position:absolute;inset:0;z-index:1;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.3px);background-size:18px 18px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 70%);mask-image:linear-gradient(180deg,#000,transparent 70%)}
.preview-scan{position:absolute;inset:0;z-index:2;pointer-events:none;transform:translateY(-101%);background:linear-gradient(180deg,transparent,rgba(110,150,255,.14) 46%,rgba(255,255,255,.32) 50%,rgba(110,150,255,.14) 54%,transparent)}
.panel-preview.is-swapping .preview-scan{animation:nav-scan .75s ease-out}
@keyframes nav-scan{to{transform:translateY(101%)}}
.preview-meta{position:absolute;top:16px;right:18px;z-index:3;font:500 .7rem var(--mono);letter-spacing:.14em;color:rgba(255,255,255,.6)}
.preview-meta b{color:var(--blanco);font-weight:500}
.preview-logo{position:absolute;top:14px;left:16px;z-index:3;display:flex;align-items:center;height:42px;padding:8px 12px;border-radius:10px;background:var(--blanco);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.preview-logo img{display:block;height:26px;width:auto;max-width:150px;object-fit:contain}
.preview-body{position:absolute;left:24px;right:24px;bottom:22px;z-index:3;display:flex;flex-direction:column;gap:10px}
.preview-body strong{font:800 clamp(1.6rem,2.5vw,2.25rem)/.98 var(--display);letter-spacing:-.02em;text-transform:uppercase;color:var(--blanco);text-wrap:balance}
.preview-body span{max-width:48ch;font-size:.92rem;line-height:1.45;color:rgba(255,255,255,.74);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Acciones */
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;padding:0 12px 0 24px}
.nav-status{display:inline-flex;align-items:center;gap:8px;font:500 .66rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--niebla);white-space:nowrap}
.nav-status i{width:8px;height:8px;border-radius:50%;background:var(--verde);box-shadow:0 0 0 0 rgba(23,201,100,.6);animation:nav-pulse 2.4s infinite}
@keyframes nav-pulse{70%{box-shadow:0 0 0 8px rgba(23,201,100,0)}100%{box-shadow:0 0 0 0 rgba(23,201,100,0)}}
.nav-cta{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;border-radius:12px;color:var(--blanco);font:600 .9rem var(--body);white-space:nowrap;
  background:linear-gradient(135deg,var(--azul) 0%,#3D6BFF 55%,#7A5CFF 100%);box-shadow:0 10px 26px rgba(31,91,255,.35),inset 0 1px 0 rgba(255,255,255,.28);transition:transform .25s var(--ease),box-shadow .25s}
.nav-cta svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(31,91,255,.5),inset 0 1px 0 rgba(255,255,255,.3)}
.nav-cta:hover svg{transform:translateX(3px)}

.nav-toggle{display:none;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:12px;background:rgba(255,255,255,.07);color:var(--blanco);cursor:pointer}
.nav-toggle .bars{position:relative;display:block;width:20px;height:12px}
.nav-toggle .bars i{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:currentColor;transition:transform .3s var(--ease),top .3s var(--ease)}
.nav-toggle .bars i:first-child{top:0}
.nav-toggle .bars i:last-child{top:10px}
.nav-shell.sheet-open .nav-toggle .bars i:first-child{top:5px;transform:rotate(45deg)}
.nav-shell.sheet-open .nav-toggle .bars i:last-child{top:5px;transform:rotate(-45deg)}

/* Hoja para celular */
.nav-sheet{position:fixed;inset:0;z-index:-1;pointer-events:auto;overflow:hidden;
  background:radial-gradient(120% 60% at 85% 0%,rgba(31,91,255,.20),transparent 60%),radial-gradient(90% 50% at 0% 100%,rgba(255,106,0,.12),transparent 60%),#07080A;
  opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s linear .25s}
.nav-shell.sheet-open .nav-sheet{opacity:1;visibility:visible;transition-delay:0s}
.sheet-scroll{height:100%;overflow-y:auto;padding:calc(var(--nav-h) + 36px) 18px 28px;overscroll-behavior:contain}
.sheet-list{margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.08)}
.sheet-list>li{border-bottom:1px solid rgba(255,255,255,.08)}
.sheet-list summary,.sheet-top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:62px;font:800 1.6rem/1 var(--display);letter-spacing:-.03em;color:var(--blanco);cursor:pointer;list-style:none}
.sheet-list summary::-webkit-details-marker{display:none}
.sheet-list summary svg,.sheet-top svg{width:22px;height:22px;color:var(--niebla);transition:transform .3s var(--ease)}
.sheet-list details[open] summary svg{transform:rotate(180deg)}
.sheet-list .is-active>details>summary,.sheet-list .is-active>.sheet-top{color:var(--naranja)}
.sheet-list details ul{margin:0 0 14px;padding:0;list-style:none}
.sheet-list details a{display:flex;align-items:center;gap:12px;min-height:46px;padding:6px 4px;color:var(--niebla);font-size:1rem}
.sheet-list details a svg{width:20px;height:20px;flex:none}
.sheet-list details a.is-overview{color:var(--blanco);font-weight:600}
.sheet-foot{display:flex;flex-direction:column;gap:14px;align-items:flex-start;margin-top:28px}
.sheet-foot p{margin:0;color:var(--niebla);font-size:.95rem}
.sheet-foot b{color:var(--blanco);font-family:var(--mono);font-weight:500}
html.sheet-lock{overflow:hidden}

/* Pantallas medianas: se achica el espaciado antes de pasar a la hoja */
@media (max-width:1280px){
  .nav-status{display:none}
  .nav-link{padding:0 12px}
  .nav-logo{padding:0 20px 0 14px}
  .nav-logo img{height:42px}
}
@media (max-width:1100px){
  .nav-shell{--nav-h:58px}
  .nav-main,.nav-actions::before{display:none}
  .nav-logo::after{display:none}
  .nav-actions{margin-left:auto;padding:0 8px}
  .nav-toggle{display:grid}
  .nav-logo img{height:40px}
}
@media (max-width:420px){
  .nav-cta span{display:none}
  .nav-cta{width:44px;padding:0;justify-content:center}
  .nav-logo img{height:34px}
}

/* Sin JavaScript: el menú se muestra como enlaces simples y desplazables */
html:not(.js) .nav-panel,html:not(.js) .nav-caret{display:none}
@media (max-width:1100px){
  html:not(.js) .nav-main{display:block;overflow-x:auto}
  html:not(.js) .nav-list{justify-content:flex-start}
}

@media (prefers-reduced-motion:reduce){
  .nav-bar::before,.nav-status i{animation:none}
  .panel-preview.is-swapping .preview-scan{animation:none}
  .nav-panel,.nav-sheet,.panel-preview>img,.nav-caret svg{transition:none}
}