/* =========================================================
   slekens.dev — sistema de diseño · "Glass, evolucionado"
   Identidad: Cyan Glass · Tipografía: Geist + JetBrains Mono
   ========================================================= */
:root{
  --radius:18px; --radius-sm:12px; --radius-lg:26px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1180px;
  --term-green:#16A34A; --term-amber:#D97706; --term-pink:#DB2777;
  --font-sans:"Geist","Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
}
html[data-theme="light"]{
  --bg:#F4F7FE; --bg2:#E9F1FB;
  --ink:#0C0A18; --ink-soft:rgba(12,10,24,.62); --ink-faint:rgba(12,10,24,.42);
  --line:rgba(12,10,24,.10); --line-strong:rgba(12,10,24,.16);
  --glass-bg:rgba(255,255,255,.52); --glass-strong:rgba(255,255,255,.70); --nav-bg:rgba(255,255,255,.28);
  --rim:rgba(255,255,255,.85);
  --shadow:0 1px 2px rgba(12,10,24,.04),0 18px 50px -24px rgba(8,40,60,.28);
  --shadow-lg:0 2px 4px rgba(12,10,24,.05),0 40px 90px -34px rgba(8,40,60,.40);
  --accent:#0891B2; --accent-bright:#06B6D4; --accent-ink:#fff;
  --accent-soft:rgba(8,145,178,.12);
  --mesh-a:#0891B2; --mesh-b:#0EA5E9; --mesh-c:#2563EB; --mesh-d:#06B6D4; --mesh-alpha:.30;
  --term-green:#16A34A; --term-amber:#D97706; --term-pink:#DB2777; --term-blue:#0E7490;
}
html[data-theme="dark"]{
  --bg:#08070F; --bg2:#0E0C1A;
  --ink:#EEEAF8; --ink-soft:rgba(238,234,248,.64); --ink-faint:rgba(238,234,248,.42);
  --line:rgba(255,255,255,.10); --line-strong:rgba(255,255,255,.17);
  --glass-bg:rgba(255,255,255,.06); --glass-strong:rgba(255,255,255,.09); --nav-bg:rgba(255,255,255,.045);
  --rim:rgba(255,255,255,.30);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 28px 70px -30px rgba(0,0,0,.85);
  --shadow-lg:0 2px 6px rgba(0,0,0,.5),0 50px 110px -36px rgba(0,0,0,.9);
  --accent:#38BDF8; --accent-bright:#7DD3FC; --accent-ink:#06212e;
  --accent-soft:rgba(56,189,248,.14);
  --mesh-a:#0EA5E9; --mesh-b:#06B6D4; --mesh-c:#3B82F6; --mesh-d:#22D3EE; --mesh-alpha:.44;
  --term-green:#4ADE80; --term-amber:#FBBF24; --term-pink:#F472B6; --term-blue:#7DD3FC;
}
/* compat aliases — let legacy stylesheets (global/tools/architectures/chat) render
   under the new palette without edits. Resolved at use-time, so a single :root block works. */
:root{
  --text:var(--ink); --text-2:var(--ink-soft); --text-3:var(--ink-faint);
  --glass-border:var(--line);
  --glass-filter:blur(7px) saturate(180%) contrast(1.05) brightness(1.03);
  --glass-rim:inset 0 1.5px 0 var(--rim);
  --glass-shadow:var(--shadow);
  --glass-hover:var(--shadow-lg);
  --accent-glow:var(--accent-soft);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg); color:var(--ink); line-height:1.5;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .5s var(--ease),color .5s var(--ease);
}
::selection{background:var(--accent-soft);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---------- mesh background ---------- */
.mesh{position:fixed;inset:-22vmax;z-index:-1;filter:blur(75px) saturate(135%);pointer-events:none;opacity:var(--mesh-alpha);transition:opacity .6s;animation:meshhue 22s ease-in-out infinite alternate}
@keyframes meshhue{from{filter:blur(75px) saturate(135%) hue-rotate(-7deg)}to{filter:blur(75px) saturate(140%) hue-rotate(11deg)}}
@media (prefers-reduced-motion:reduce){.mesh{animation:none}}
.blob{position:absolute;width:44vmax;height:44vmax;border-radius:50%;animation:drift 28s var(--ease) infinite alternate}
.b1{background:var(--mesh-a);top:-16vmax;left:-12vmax;animation-duration:25s}
.b2{background:var(--mesh-b);top:-6vmax;right:-14vmax;animation-duration:31s;animation-delay:-6s}
.b3{background:var(--mesh-c);bottom:-14vmax;left:8vmax;animation-duration:29s;animation-delay:-12s}
.b4{background:var(--mesh-d);bottom:-6vmax;right:2vmax;animation-duration:35s;animation-delay:-3s}
@keyframes drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(6vmax,-5vmax) scale(1.16)}100%{transform:translate(-5vmax,6vmax) scale(.94)}}
@media (prefers-reduced-motion:reduce){.blob{animation:none}}

/* ---------- glass primitive ---------- */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(7px) saturate(180%) contrast(1.05) brightness(1.03);
  backdrop-filter:blur(7px) saturate(180%) contrast(1.05) brightness(1.03);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow), inset 0 1.5px 0 var(--rim);
}
.glass-strong{background:var(--glass-strong)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---------- nav ---------- */
.nav{position:sticky;top:14px;z-index:60;margin:14px auto 0;max-width:calc(var(--maxw) - 0px);padding:0 28px}
.nav-inner{
  display:flex;align-items:center;gap:18px;padding:11px 14px 11px 18px;border-radius:999px;
  background:var(--nav-bg);
  -webkit-backdrop-filter:blur(8px) saturate(210%) contrast(1.12) brightness(1.05); backdrop-filter:blur(8px) saturate(210%) contrast(1.12) brightness(1.05);
  border:1px solid var(--line); box-shadow:var(--shadow), inset 0 1.5px 0 var(--rim);
}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:-.02em;font-size:16px}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--accent),var(--accent-bright));display:grid;place-items:center;color:var(--accent-ink);font-family:var(--font-mono);font-weight:700;font-size:15px;box-shadow:0 5px 16px -5px var(--accent), inset 0 1px 0 rgba(255,255,255,.5)}
.brand .dev{color:var(--accent)}
.nav .links{display:flex;gap:4px;margin-left:6px}
.nav .links a{font-size:14px;font-weight:500;color:var(--ink-soft);padding:7px 13px;border-radius:999px;transition:.18s var(--ease)}
.nav .links a:hover{color:var(--ink);background:var(--accent-soft)}
.nav .links a.active{color:var(--accent)}
.nav .sp{flex:1}
.nav .tools{display:flex;align-items:center;gap:8px}
.lang-pill{display:flex;font-family:var(--font-mono);font-size:11.5px;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-pill button{font:inherit;border:0;background:transparent;color:var(--ink-faint);padding:6px 11px;cursor:pointer;transition:.18s}
.lang-pill button.on{background:var(--accent);color:var(--accent-ink)}
.icon-btn{width:34px;height:34px;border-radius:999px;border:1px solid var(--line);background:var(--glass-bg);color:var(--ink-soft);cursor:pointer;display:grid;place-items:center;font-size:15px;transition:.2s var(--ease)}
.icon-btn:hover{color:var(--ink);border-color:var(--line-strong);transform:translateY(-1px)}

/* ---------- typography ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);padding:7px 14px;border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);background:var(--accent-soft);backdrop-filter:blur(4px);white-space:nowrap}
@media(max-width:560px){.eyebrow{white-space:normal}}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
.display{font-family:var(--font-sans);font-weight:800;letter-spacing:-.035em;line-height:.98}
.display em{font-style:normal;font-weight:800;color:var(--accent)}
.lead{font-size:clamp(17px,1.7vw,20px);color:var(--ink-soft);text-wrap:pretty}
.kicker{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px;display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:26px;height:1px;background:var(--line-strong)}
.kicker .more{margin-left:auto;color:var(--accent);text-transform:none;letter-spacing:0;font-size:13px;cursor:pointer}
h2.sec{font-family:var(--font-sans);font-weight:750;letter-spacing:-.025em;font-size:clamp(26px,3.2vw,38px);line-height:1.05}

/* ---------- buttons ---------- */
.btn{font-family:var(--font-sans);font-size:14.5px;font-weight:600;padding:11px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.2s var(--ease);display:inline-flex;gap:8px;align-items:center;white-space:nowrap}
.btn-pri{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 24px -10px var(--accent)}
.btn-pri:hover{transform:translateY(-2px);background:var(--accent-bright);box-shadow:0 14px 30px -10px var(--accent)}
.btn-ghost{background:var(--glass-strong);border-color:var(--line);color:var(--ink);box-shadow:inset 0 1.5px 0 var(--rim)}
.btn-ghost:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:13px}

/* ---------- category pills ---------- */
.cats{display:flex;gap:8px;flex-wrap:wrap}
.cat{font-family:var(--font-mono);font-size:12px;font-weight:500;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-soft);background:var(--glass-strong);transition:.18s}
.cat:hover{color:var(--ink);border-color:var(--line-strong)}
.cat.on,.cat.accent{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 38%,transparent);background:var(--accent-soft)}
.badge-new{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--term-green);background:color-mix(in srgb,var(--term-green) 14%,transparent);border:1px solid color-mix(in srgb,var(--term-green) 38%,transparent);padding:3px 9px;border-radius:999px;display:inline-flex;align-items:center;gap:5px}
.badge-new::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--term-green)}

/* ---------- today card (terminal) ---------- */
.today{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,color-mix(in srgb,var(--ink) 6%,var(--glass-strong)),color-mix(in srgb,var(--ink) 3%,var(--glass-strong)));
  -webkit-backdrop-filter:blur(7px) saturate(180%); backdrop-filter:blur(7px) saturate(180%);
  box-shadow:var(--shadow-lg), inset 0 1.5px 0 var(--rim)}
.today .bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--ink) 3%,transparent)}
.today .bar .d{width:11px;height:11px;border-radius:50%}
.dr{background:#FF5F57}.dy{background:#FEBC2E}.dg{background:#28C840}
.today .bar .fn{margin-left:10px;font-family:var(--font-mono);font-size:12px;color:var(--ink-faint)}
.today .bar .live{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--accent);display:flex;align-items:center;gap:6px}
.today .bar .live i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);font-style:normal;animation:pulse 2s infinite}
.today .code{font-family:var(--font-mono);font-size:13.5px;padding:20px 22px;line-height:2.0}
.today .code .ln{display:block;white-space:pre-wrap}
.today .code .k{color:var(--term-pink)}
.today .code .s{color:var(--term-green)}
.today .code .n{color:var(--accent)}
.today .code .c{color:var(--ink-faint)}
.today .code .p{color:var(--ink-soft)}
.cursor{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;margin-left:2px;animation:blink 1.05s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- footer ---------- */
.site-foot{position:relative;margin-top:90px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--ink) 4%,transparent))}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:60px 0 40px}
.foot-brand .brand{font-size:20px;margin-bottom:14px}
.foot-brand p{color:var(--ink-soft);font-size:14.5px;max-width:32ch}
.foot-col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px}
.foot-col a{display:block;color:var(--ink-soft);font-size:14.5px;padding:5px 0;transition:.18s;width:fit-content}
.foot-col a:hover{color:var(--accent);transform:translateX(3px)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0 36px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:12.5px;color:var(--ink-faint);flex-wrap:wrap;gap:14px}
.foot-socials{display:flex;gap:10px}
.foot-socials a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--glass-strong);display:grid;place-items:center;color:var(--ink-soft);transition:.2s var(--ease)}
.foot-socials a:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent);transform:translateY(-2px)}

/* ---------- reveal (entrance) ---------- */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.in{animation:rise .7s var(--ease) forwards}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1 !important;transform:none !important;animation:none !important}}

@media(max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1/-1}
}
@media(max-width:660px){
  .nav .links{display:none}
  .foot-grid{grid-template-columns:1fr}
}