/* ─────────────────────────────────────────────────────────────
   IA2083 · Inteligencia Argentina 2083
   Línea editorial: revista de ideas. Serif de lectura (Newsreader)
   para títulos y textos; Manrope (manual AMDOP) para interfaz.
   Un solo gesto fuerte: la bandera en tela, a todo el ancho.
   Recurso propio: la regla del siglo 1983–2083.
   ───────────────────────────────────────────────────────────── */
:root{
  --paper:#F7F9FA;      /* papel frío, no crema */
  --surface:#FFFFFF;
  --ink:#0F2A38;        /* azul AMDOP profundo, como tinta */
  --navy:#143F53;       /* AMDOP */
  --blue:#377EA0;       /* AMDOP */
  --celeste:#74ACDF;    /* bandera */
  --sol:#E9A90C;        /* Sol de Mayo */
  --sol-ink:#8A5D00;    /* sol legible sobre papel */
  --muted:#566874;
  --rule:rgba(15,42,56,.14);
  --rule-strong:rgba(15,42,56,.85);
  --focus:#377EA0;
  --danger:#C2124F;

  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;

  --max:1240px;
  --read:40rem;
  --gutter:clamp(16px,4vw,48px);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0D2230; --surface:#12303F; --ink:#E8EEF1; --navy:#0A1C27;
    --blue:#6FB0D2; --muted:#9DB0BB; --rule:rgba(232,238,241,.14); --rule-strong:rgba(232,238,241,.8);
    --sol-ink:#F2C14E; --focus:#8CC4E6; --danger:#FF6B98; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0D2230; --surface:#12303F; --ink:#E8EEF1; --navy:#0A1C27;
  --blue:#6FB0D2; --muted:#9DB0BB; --rule:rgba(232,238,241,.14); --rule-strong:rgba(232,238,241,.8);
  --sol-ink:#F2C14E; --focus:#8CC4E6; --danger:#FF6B98; color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
img{max-width:100%;display:block}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.hidden{display:none!important}

/* ── Marca ─────────────────────────────────────────────── */
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand .mark{font-family:var(--sans);font-weight:800;font-size:1.5rem;letter-spacing:-.04em;line-height:1;display:inline-flex;align-items:baseline}
.brand .slash{color:var(--celeste);font-weight:400;margin-right:.04em}
.brand .yr{font-weight:300;letter-spacing:-.02em}
.brand .sub{font-size:.8rem;font-weight:500;color:var(--muted);line-height:1.15;max-width:9.5em;padding-left:12px;border-left:1px solid var(--rule)}

/* ── Encabezado ────────────────────────────────────────── */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,32px);font-size:.95rem;font-weight:600}
.nav a{text-decoration:none;color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--celeste)}
@media(max-width:560px){.nav .hide-sm{display:none}.brand .sub{display:none}}

/* ── Bandera ───────────────────────────────────────────── */
.flag-band{position:relative;height:clamp(220px,38vw,460px);background:linear-gradient(var(--celeste) 0 33.4%,#fff 33.4% 66.6%,var(--celeste) 66.6%);overflow:hidden}
.flag-band canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.flag-band::after{content:"";position:absolute;inset:auto 0 0;height:30%;background:linear-gradient(transparent,rgba(15,42,56,.12));pointer-events:none}

/* ── Portada ───────────────────────────────────────────── */
.intro{padding-block:clamp(40px,6vw,88px) clamp(32px,4vw,56px)}
.intro-grid{display:grid;gap:28px 64px}
@media(min-width:960px){.intro-grid{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);align-items:end}}
.intro h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.5rem,6.2vw,5.4rem);line-height:1.02;letter-spacing:-.025em;margin:0;font-variation-settings:"opsz" 72}
.intro-side{max-width:30rem}
.intro-side p{font-family:var(--serif);font-size:1.25rem;line-height:1.5;margin:0 0 24px;color:var(--ink)}

/* ── Regla del siglo ───────────────────────────────────── */
.century{padding-block:8px clamp(48px,7vw,96px)}
.century-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 24px;margin-bottom:18px}
.century-head h2{font-family:var(--sans);font-size:1rem;font-weight:700;margin:0}
.century-head p{margin:0;color:var(--muted);font-size:.95rem;font-variant-numeric:tabular-nums}
.century-head strong{color:var(--ink)}
.ruler{position:relative;padding-top:30px}
.ticks{display:flex;justify-content:space-between;align-items:flex-end;height:44px}
.tick{width:1px;height:14px;background:var(--rule-strong);opacity:.22;transition:opacity .3s ease,background-color .3s ease}
.tick.lustro{height:22px}
.tick.decada{height:34px}
.tick.past{opacity:1;background:var(--ink)}
.tick.now{width:3px;height:44px;background:var(--sol);opacity:1}
.ruler-labels{position:relative;height:24px;margin-top:10px;font-size:.82rem;color:var(--muted);font-variant-numeric:tabular-nums}
.ruler-labels span{position:absolute;transform:translateX(-50%);white-space:nowrap}
.ruler-labels span:first-child{transform:none}
.ruler-labels span:last-child{transform:translateX(-100%)}
.ruler-labels .edge{color:var(--ink);font-weight:700}
.now-flag{position:absolute;top:0;transform:translateX(-50%);font-size:.82rem;font-weight:700;color:var(--sol-ink);white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:640px){.ruler-labels .dec{display:none}.ruler-labels .dec.v{display:inline}}

/* ── Títulos de sección ────────────────────────────────── */
.section{padding-block:clamp(56px,7vw,104px)}
.section-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px 32px;margin-bottom:clamp(28px,4vw,48px);padding-bottom:18px;border-bottom:2px solid var(--rule-strong)}
.section-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.02em;line-height:1;margin:0}

/* ── Filtros ───────────────────────────────────────────── */
.filters{display:flex;flex-wrap:wrap;gap:4px 22px}
.chip{appearance:none;background:none;border:0;padding:6px 0;font:inherit;font-size:.95rem;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}
.chip:hover{color:var(--ink)}
.chip[aria-pressed="true"]{color:var(--ink);border-bottom-color:var(--sol)}

/* ── Opiniones ─────────────────────────────────────────── */
.kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;font-family:var(--sans);font-size:.88rem;font-weight:700;color:var(--ink)}
.kicker::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--c,var(--blue));flex:none}
.firma{display:flex;flex-direction:column;margin:0;font-size:.92rem;line-height:1.4}
.firma .autor{font-weight:700}
.firma .cargo{color:var(--muted)}
.firma time{color:var(--muted);margin-top:6px;font-size:.85rem;font-variant-numeric:tabular-nums}

.lead-story{display:grid;gap:24px 64px;padding-bottom:clamp(36px,5vw,64px);margin-bottom:clamp(36px,5vw,64px);border-bottom:1px solid var(--rule)}
@media(min-width:960px){.lead-story{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);align-items:end}}
.lead-story .cover{text-decoration:none;display:block}
.lead-story h3{font-family:var(--serif);font-weight:400;font-size:clamp(2.1rem,4.8vw,4rem);line-height:1.04;letter-spacing:-.02em;margin:0;font-variation-settings:"opsz" 72}
.lead-story .cover:hover h3{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.12em;text-decoration-color:var(--celeste)}
.lead-side{display:flex;flex-direction:column;gap:22px;max-width:30rem}
.lead-side .bajada{font-family:var(--serif);font-size:1.25rem;line-height:1.5;margin:0}
.read{font-weight:700;font-size:.95rem;text-decoration:underline;text-decoration-color:var(--celeste);text-decoration-thickness:2px;text-underline-offset:5px;align-self:flex-start}
.read:hover{text-decoration-color:var(--ink)}

.stories{display:grid;gap:48px 48px}
@media(min-width:720px){.stories{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1080px){.stories{grid-template-columns:repeat(3,minmax(0,1fr))}}
.story{display:flex;flex-direction:column;gap:18px;padding-top:20px;border-top:1px solid var(--rule)}
.story>a{text-decoration:none;display:block}
.story h3{font-family:var(--serif);font-weight:500;font-size:1.6rem;line-height:1.15;letter-spacing:-.01em;margin:0 0 10px}
.story>a:hover h3{text-decoration:underline;text-decoration-color:var(--celeste);text-decoration-thickness:2px;text-underline-offset:.14em}
.story .bajada{font-family:var(--serif);font-size:1.08rem;line-height:1.5;color:var(--muted);margin:0}

.empty{padding:56px 0;color:var(--muted);font-family:var(--serif);font-size:1.25rem}

/* ── Quiénes somos ─────────────────────────────────────── */
.about{background:var(--navy);color:#EEF3F5}
.about .section-head{border-bottom-color:rgba(238,243,245,.7)}
.about-grid{display:grid;gap:40px 64px}
@media(min-width:960px){.about-grid{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr)}}
.manifesto p{font-family:var(--serif);font-size:clamp(1.35rem,2.2vw,1.75rem);line-height:1.42;margin:0 0 .9em;max-width:34em}
.manifesto p:last-child{margin:0}
.ejes{margin:0;display:grid;gap:26px}
.ejes div{padding-left:22px;position:relative}
.ejes div::before{content:"";position:absolute;left:0;top:.42em;width:10px;height:10px;border-radius:50%;background:var(--c)}
.ejes dt{font-weight:700;font-size:1.02rem}
.ejes dd{margin:2px 0 0;color:rgba(238,243,245,.72);font-size:.95rem}

/* ── Artículo ──────────────────────────────────────────── */
.article{max-width:var(--read);margin:0 auto;padding-block:clamp(40px,6vw,80px) 24px}
.back{display:table;font-weight:700;font-size:.92rem;color:var(--muted);text-decoration:none;margin-bottom:clamp(28px,4vw,48px)}
.back:hover{color:var(--ink)}
.article h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.3rem,5.4vw,4rem);line-height:1.04;letter-spacing:-.02em;margin:0 0 22px;font-variation-settings:"opsz" 72}
.article .excerpt{font-family:var(--serif);font-size:clamp(1.25rem,2.2vw,1.5rem);line-height:1.42;color:var(--muted);margin:0 0 36px}
.author{display:flex;align-items:center;gap:14px;padding-block:20px;border-block:1px solid var(--rule);margin-bottom:44px}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--celeste);color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:.95rem;flex:none}
.author .firma{font-size:.95rem}
.body p{font-family:var(--serif);font-size:1.25rem;line-height:1.68;margin:0 0 1.15em}
.body.capital p:first-child::first-letter{float:left;font-size:4.4em;line-height:.82;font-weight:400;margin:.06em .1em 0 0;color:var(--ink)}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:56px;padding-top:24px;border-top:2px solid var(--rule-strong);font-size:.95rem}
.share>span{font-weight:700;margin-right:6px}
.share a,.share button{appearance:none;background:none;border:0;padding:0;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:4px}
.share a:hover,.share button:hover{color:var(--ink);text-decoration-color:var(--celeste)}

/* ── Botones y formularios (panel) ─────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:.95rem;line-height:1;padding:14px 22px;border-radius:999px;border:1.5px solid var(--ink);cursor:pointer;text-decoration:none;background:var(--ink);color:var(--paper);transition:background-color .15s ease,color .15s ease}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.btn.danger:hover{border-color:var(--danger)}
.btn.sm{padding:9px 14px;font-size:.85rem}
.btn:disabled{opacity:.55;cursor:wait}
label{display:block;font-size:.88rem;font-weight:700;margin:0 0 8px}
.field{margin-bottom:22px}
input[type=text],input[type=email],input[type=password],select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:8px;padding:12px 14px}
textarea{min-height:360px;font-family:var(--serif);font-size:1.12rem;line-height:1.65;resize:vertical}
#e-titulo{font-family:var(--serif);font-size:1.5rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--focus);outline-offset:0;border-color:transparent}
.hint{font-size:.85rem;color:var(--muted);margin-top:8px}
.row2{display:grid;gap:0 18px}
@media(min-width:640px){.row2{grid-template-columns:1fr 1fr}}
.panel{background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:clamp(20px,3vw,32px)}
.login{max-width:440px;margin:clamp(48px,8vw,96px) auto}
.login h1{font-family:var(--serif);font-weight:400}
.admin-head{display:flex;flex-wrap:wrap;gap:14px;align-items:end;justify-content:space-between;margin:clamp(36px,5vw,56px) 0 24px;padding-bottom:16px;border-bottom:2px solid var(--rule-strong)}
.admin-head h1{margin:0;font-family:var(--serif);font-weight:400;font-size:clamp(2rem,3.4vw,2.6rem);letter-spacing:-.02em;line-height:1}
.list-item{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--rule)}
.list-item:first-child{padding-top:0}
.list-item:last-child{border-bottom:0;padding-bottom:0}
.list-item>div:first-child{min-width:0;flex:1 1 280px}
.list-item h4{margin:0 0 4px;font-family:var(--serif);font-weight:500;font-size:1.3rem;line-height:1.2}
.list-item .tag{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:700;margin-bottom:6px}
.list-item .tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.list-item .actions{display:flex;gap:8px;flex:none}
.meta{font-size:.88rem;color:var(--muted)}
.pill{font-family:var(--sans);font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:999px;background:color-mix(in srgb,var(--sol) 28%,transparent);color:var(--sol-ink);margin-left:10px;vertical-align:middle}
.toggle{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem;margin:0}
.toggle input{width:18px;height:18px;accent-color:var(--ink)}
.msg{padding:12px 14px;border-radius:8px;font-size:.92rem;margin-bottom:18px}
.msg.err{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}
.msg.ok{background:color-mix(in srgb,var(--blue) 14%,transparent);color:var(--ink)}
.demo-banner{background:var(--sol);color:#2A1E00;font-size:.85rem;font-weight:600;text-align:center;padding:8px 16px}

/* ── Pie ───────────────────────────────────────────────── */
.site-footer{background:var(--ink);color:var(--paper);padding-block:clamp(48px,6vw,80px) 40px}
:root:not([data-theme="light"]) .site-footer{}
.site-footer .brand{color:inherit}
.site-footer .brand .mark{font-size:clamp(2.6rem,7vw,5rem)}
.site-footer .brand .sub{color:inherit;opacity:.65;border-left-color:currentColor;font-size:.95rem}
.foot-grid{display:grid;gap:28px;align-items:end}
@media(min-width:860px){.foot-grid{grid-template-columns:1fr auto}}
.foot-meta{display:flex;flex-direction:column;gap:6px;font-size:.92rem;opacity:.8}
.foot-meta a{font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--celeste);opacity:1}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .site-footer{background:#081822;color:#E8EEF1}}
:root[data-theme="dark"] .site-footer{background:#081822;color:#E8EEF1}

@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}