/* ===== fennir.ch — KI-Kontrollzentrum (#control) =====
   Regla de la casa: el estado BASE es el final (todo visible). Las animaciones sólo
   corren cuando control.js añade .live, y siempre terminan. Sin JS se ve todo igual.
*/
@property --grow { syntax: '<number>'; initial-value: 1; inherits: true; }
/* --h registrado para que las barras 3D suban y bajen suavemente con los "datos en vivo" */
@property --h { syntax: '<number>'; initial-value: .5; inherits: true; }

#control {
  --kc-cyan: #22d3ee; --kc-violet: #a78bfa; --kc-green: #34d399;
  --kc-orange: #ff7c00; --kc-pink: #f472b6; --kc-line: rgba(255,255,255,.08);
  position: relative; z-index: 2; padding: 140px 0 120px; overflow: hidden;
}
#control .kc-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 40% 45% at 15% 25%, rgba(34,211,238,.09), transparent 70%),
    radial-gradient(ellipse 40% 45% at 85% 35%, rgba(167,139,250,.10), transparent 70%),
    radial-gradient(ellipse 50% 40% at 50% 95%, rgba(255,124,0,.08), transparent 70%);
}
.kc-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.kc-head .section-sub { margin-left: auto; margin-right: auto; }
.kc-title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--kc-cyan), var(--kc-violet) 50%, var(--kc-orange));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.kc-demo {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font: 600 11px/1 'Space Grotesk', sans-serif; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.55); padding: 8px 14px; border: 1px solid var(--kc-line); border-radius: 999px;
}
.kc-demo::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--kc-green); box-shadow: 0 0 10px var(--kc-green); }

/* escenario 3D: se inclina con el ratón (sólo escritorio) */
.kc-stage { perspective: 1800px; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.kc-grid {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px;
  transform: rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg));
  transform-style: preserve-3d; transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.kc-card {
  position: relative; min-width: 0; border-radius: 20px; padding: 20px 22px;
  background: linear-gradient(160deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  border: 1px solid var(--kc-line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06);
}
.kc-card::after { /* filo de color arriba */
  content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c, var(--kc-orange)), transparent); opacity: .7;
}
.kc-card h3 {
  margin: 0 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font: 600 13px/1.2 'Space Grotesk', sans-serif; letter-spacing: .03em; color: #fff;
}
.kc-card h3 small { font: 500 10.5px/1 'Space Grotesk', sans-serif; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.45); }
.s3 { grid-column: span 3; } .s4 { grid-column: span 4; } .s5 { grid-column: span 5; } .s8 { grid-column: span 8; }

/* KPIs */
.kc-kpi { --c: var(--kc-cyan); }
.kc-kpi .k-l { font: 500 11px/1.3 'Space Grotesk', sans-serif; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.kc-kpi .k-n { margin-top: 10px; font: 700 clamp(26px, 2.6vw, 34px)/1 'Space Grotesk', sans-serif; color: #fff; letter-spacing: -.02em; white-space: nowrap; }
.kc-kpi .k-n b { font-weight: 700; color: var(--c); font-size: .55em; margin-right: 4px; letter-spacing: .02em; }
.kc-kpi .k-d { margin-top: 10px; display: flex; align-items: center; gap: 8px; font: 600 11.5px/1 'Space Grotesk', sans-serif; color: var(--kc-green); }
.kc-kpi .k-spark { flex: 1; height: 22px; }
.kc-kpi .k-spark path { fill: none; stroke: var(--c); stroke-width: 2; stroke-linecap: round; filter: drop-shadow(0 0 4px var(--c)); }

/* barras 3D (cajas CSS de verdad: frente, lado y tapa) */
.kc-bars { --c: var(--kc-violet); }
.kc-iso { height: 250px; display: grid; place-items: center; perspective: 900px; }
.kc-floor {
  display: grid; grid-template-columns: repeat(7, 30px); gap: 16px; transform-style: preserve-3d;
  transform: translateY(40px) rotateX(58deg) rotateZ(var(--rz, -38deg));
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.b3 {
  --H: calc(var(--h) * var(--grow) * 150px);
  position: relative; width: 30px; height: 30px; transform-style: preserve-3d;
  background: rgba(255,255,255,.04); border-radius: 3px;
  transition: --h 1.1s cubic-bezier(.22,1,.36,1);
}
.b3 i { position: absolute; display: block; }
.b3 .t { inset: 0; transform: translateZ(var(--H)); background: color-mix(in srgb, var(--bc) 55%, #fff); box-shadow: 0 0 18px var(--bc); }
.b3 .f { left: 0; top: 100%; width: 100%; height: var(--H); transform-origin: top; transform: rotateX(90deg);
  background: linear-gradient(0deg, var(--bc), color-mix(in srgb, var(--bc) 40%, #000)); }
.b3 .s { top: 0; left: 100%; width: var(--H); height: 100%; transform-origin: left; transform: rotateY(-90deg);
  background: linear-gradient(90deg, color-mix(in srgb, var(--bc) 45%, #000), color-mix(in srgb, var(--bc) 20%, #000)); }
.b3 span { position: absolute; left: 50%; top: 38px; transform: translateX(-50%); font: 600 10px/1 'Space Grotesk', sans-serif; color: rgba(255,255,255,.5); }
.kc-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 6px; font: 500 11px/1 'Space Grotesk', sans-serif; color: rgba(255,255,255,.6); }
.kc-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; background: var(--c); vertical-align: -1px; }

/* donut de canales */
.kc-donut { --c: var(--kc-cyan); }
.kc-ring { position: relative; width: 170px; height: 170px; margin: 6px auto 16px; }
.kc-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.kc-ring circle { fill: none; stroke-width: 14; }
.kc-ring .seg { stroke: var(--c); filter: drop-shadow(0 0 6px var(--c)); }
.kc-ring .center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.kc-ring .center b { font: 700 30px/1 'Space Grotesk', sans-serif; color: #fff; }
.kc-ring .center span { font: 500 10px/1.4 'Space Grotesk', sans-serif; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); }
.kc-rows { display: grid; gap: 8px; }
.kc-rows div { display: flex; justify-content: space-between; font: 500 12px/1 'Space Grotesk', sans-serif; color: rgba(255,255,255,.7); }
.kc-rows div b { color: #fff; }
.kc-rows i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; background: var(--c); box-shadow: 0 0 8px var(--c); }

/* núcleo de IA 3D + interruptores */
.kc-core-card { --c: var(--kc-green); }
.kc-core { position: relative; height: 150px; display: grid; place-items: center; perspective: 600px; margin-bottom: 8px; }
.kc-orbit { position: relative; width: 110px; height: 110px; transform-style: preserve-3d; animation: kcSpin 14s linear infinite; }
.kc-orbit i { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--rc); box-shadow: 0 0 14px var(--rc), inset 0 0 14px var(--rc); opacity: .85; }
.kc-orbit i:nth-child(1) { --rc: var(--kc-cyan); transform: rotateX(70deg); }
.kc-orbit i:nth-child(2) { --rc: var(--kc-violet); transform: rotateY(70deg); }
.kc-orbit i:nth-child(3) { --rc: var(--kc-orange); transform: rotateX(70deg) rotateY(60deg); }
.kc-nucleus {
  position: absolute; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  font: 700 13px/1 'Space Grotesk', sans-serif; color: #07070b; letter-spacing: .04em;
  background: radial-gradient(circle at 35% 30%, #fff, var(--kc-cyan) 45%, var(--kc-violet));
  box-shadow: 0 0 30px var(--kc-cyan), 0 0 70px rgba(167,139,250,.5); animation: kcPulse 2.8s ease-in-out infinite;
}
@keyframes kcSpin { to { transform: rotateY(360deg) rotateX(360deg); } }
@keyframes kcPulse { 50% { transform: scale(1.08); box-shadow: 0 0 40px var(--kc-cyan), 0 0 90px rgba(167,139,250,.6); } }
.kc-switches { display: grid; gap: 10px; }
.kc-switch {
  all: unset; box-sizing: border-box; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-radius: 12px; border: 1px solid var(--kc-line); background: rgba(255,255,255,.03);
  font: 500 12.5px/1.2 'Space Grotesk', sans-serif; color: #fff; transition: border-color .2s, background .2s;
}
.kc-switch:hover { border-color: rgba(255,255,255,.2); }
.kc-switch:focus-visible { outline: 2px solid var(--kc-cyan); outline-offset: 2px; }
.kc-switch em { font-style: normal; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.45); margin-left: auto; margin-right: 10px; }
.kc-switch[aria-checked="true"] em { color: var(--kc-green); }
.kc-switch u { position: relative; flex: none; width: 36px; height: 20px; border-radius: 999px; background: rgba(255,255,255,.14); transition: background .25s; }
.kc-switch u::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: transform .25s cubic-bezier(.22,1,.36,1); }
.kc-switch[aria-checked="true"] u { background: var(--kc-green); box-shadow: 0 0 12px rgba(52,211,153,.6); }
.kc-switch[aria-checked="true"] u::after { transform: translateX(16px); }

/* curvas */
.kc-area { --c: var(--kc-cyan); }
.kc-area svg { width: 100%; height: 190px; overflow: visible; }
.kc-area .grid line { stroke: rgba(255,255,255,.06); }
.kc-area .ln { fill: none; stroke-width: 2.6; stroke-linecap: round; }
.kc-area .ln.a { stroke: var(--kc-cyan); filter: drop-shadow(0 0 6px var(--kc-cyan)); }
.kc-area .ln.b { stroke: var(--kc-pink); filter: drop-shadow(0 0 6px var(--kc-pink)); }

/* registro de actividad de la IA */
.kc-feed { --c: var(--kc-pink); }
.kc-log { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; max-height: 230px; overflow: hidden; }
.kc-log li {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start;
  padding: 10px 12px; border-radius: 12px; background: rgba(255,255,255,.03); border: 1px solid var(--kc-line);
  font: 400 12px/1.4 'Inter', sans-serif; color: rgba(255,255,255,.8);
}
.kc-log li i { width: 8px; height: 8px; margin-top: 4px; border-radius: 50%; background: var(--dot, var(--kc-cyan)); box-shadow: 0 0 8px var(--dot, var(--kc-cyan)); }
.kc-log li time { font: 500 10.5px/1.4 'Space Grotesk', sans-serif; color: rgba(255,255,255,.4); white-space: nowrap; }
.kc-log li.new { animation: kcIn .6s cubic-bezier(.22,1,.36,1); }
@keyframes kcIn { from { opacity: 0; transform: translateY(-10px); } }

/* ---- movimiento continuo (demo "en vivo") ---- */
.kc-ring svg { animation: kcRing 40s linear infinite; }
@keyframes kcRing { from { transform: rotate(-90deg); } to { transform: rotate(270deg); } }
.kc-kpi .k-spark path { stroke-dasharray: 6 4; animation: kcFlow 1.6s linear infinite; }
@keyframes kcFlow { to { stroke-dashoffset: -20; } }
.kc-kpi .k-n.bump { animation: kcBump .7s cubic-bezier(.22,1,.36,1); }
@keyframes kcBump { 40% { color: var(--c); text-shadow: 0 0 18px var(--c); transform: translateY(-2px); } }
.kc-area .pulse { r: 4.5; filter: drop-shadow(0 0 8px currentColor); }
.kc-area .scan { stroke: rgba(255,255,255,.18); stroke-width: 1; animation: kcScan 5s ease-in-out infinite; }
@keyframes kcScan { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(600px); } }
.kc-nucleus::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 1px solid var(--kc-cyan); animation: kcWave 2.4s ease-out infinite; }
@keyframes kcWave { from { transform: scale(.8); opacity: .9; } to { transform: scale(2.4); opacity: 0; } }

/* ---- entradas (sólo con .live; el estado base ya es el final) ---- */
#control.live .b3 { animation: kcGrow 1.3s cubic-bezier(.22,1,.36,1) both; animation-delay: calc(var(--i) * 90ms); }
@keyframes kcGrow { from { --grow: 0; } to { --grow: 1; } }
#control.live .kc-ring .seg { animation: kcSeg 1.6s cubic-bezier(.22,1,.36,1) both; }
@keyframes kcSeg { from { stroke-dasharray: 0 100; } }
#control.live .kc-area .ln { stroke-dasharray: 1; animation: kcDraw 2.2s ease both; }
#control.live .kc-area .ln.b { animation-delay: .35s; }
@keyframes kcDraw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

/* ---- móvil ---- */
@media (max-width: 1000px) {
  .s3 { grid-column: span 6; } .s4, .s5, .s8 { grid-column: span 12; }
  .kc-donut, .kc-core-card { grid-column: span 6; }
}
@media (max-width: 640px) {
  .kc-donut, .kc-core-card { grid-column: span 12; }
}
@media (max-width: 860px), (pointer: coarse) {
  #control { padding: 100px 0 80px; }
  .kc-grid { transform: none !important; gap: 12px; }
  .kc-stage { padding: 0 16px; }
  .kc-card { padding: 16px; }
  .kc-floor { grid-template-columns: repeat(7, 24px); gap: 12px; }
  .b3 { width: 24px; height: 24px; --H: calc(var(--h) * var(--grow) * 120px); }
  .kc-iso { height: 210px; }
}
@media (max-width: 420px) {
  .kc-kpi .k-n { font-size: 24px; }
  .kc-kpi .k-spark { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  #control.live .b3, #control.live .kc-ring .seg, #control.live .kc-area .ln, .kc-orbit, .kc-nucleus, .kc-nucleus::after,
  .kc-log li.new, .kc-ring svg, .kc-kpi .k-spark path, .kc-area .scan, .kc-kpi .k-n.bump { animation: none !important; }
  .kc-area .pulse { display: none; }
}