/* ============================================================================
   METANOIA · THE MOMENTUM MODEL — V3  (Phase III · Radiant Star / emitting)
   Interactive "Momentum Engine": three pillar toggles drive a radiant
   emitter. Remove a pillar → its failure mode is revealed.
   ============================================================================ */

.momentum-v3 {
  padding: 140px 0;
}
.momentum-v3 .wrap-narrow {
  width: min(1000px, 100%);
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ---------- head ---------- */
.momentum-v3 .s-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 28px;
}
.momentum-v3 .s-head .eyebrow { justify-content: center; }
.momentum-v3 .s-head .h2 { margin: 0; text-wrap: balance; }

/* ---------- balance framing line ---------- */
.momentum-frame {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
  font-family: var(--font-body); font-weight: 300;
  font-size: clamp(16px, 1.7vw, 19px); line-height: 1.6;
  color: var(--fg2);
  text-wrap: pretty;
}
.momentum-frame strong { color: var(--fg1); font-weight: 500; }
.momentum-frame .hint {
  display: block; margin-top: 12px;
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--fg3);
}

/* ---------- engine ---------- */
.engine {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}

.engine-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.m-pillar {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  text-align: left;
  background: rgba(255,255,255,0.015);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 22px 22px 20px;
  cursor: pointer;
  font-family: var(--font-display);
  color: var(--fg1);
  overflow: hidden;
  transition: background 280ms var(--ease-out-soft), border-color 280ms var(--ease-out-soft), opacity 280ms var(--ease-out-soft), transform 280ms var(--ease-out-soft);
}
.m-pillar::before {
  content: '';
  position: absolute; left: 0; top: 0; right: 0;
  height: 2px;
  background: var(--c);
  box-shadow: 0 0 12px var(--c);
  opacity: 0;
  transition: opacity 280ms var(--ease-out-soft);
}
.m-pillar:focus-visible { outline: 2px solid color-mix(in srgb, var(--c) 60%, transparent); outline-offset: 3px; }

/* OFF state — dimmed, no accent */
.m-pillar[aria-pressed="false"] {
  opacity: 0.42;
  background: rgba(255,255,255,0.01);
}
.m-pillar[aria-pressed="false"]:hover { opacity: 0.6; }

/* ON state — lit accent */
.m-pillar[aria-pressed="true"] {
  background: color-mix(in srgb, var(--c) 6%, rgba(255,255,255,0.015));
  border-color: color-mix(in srgb, var(--c) 38%, rgba(255,255,255,0.07));
}
.m-pillar[aria-pressed="true"]::before { opacity: 1; }

.m-pillar .p-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.m-pillar .p-tag {
  font-family: var(--font-display); font-weight: 600;
  font-size: 10px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--c);
}
/* toggle switch */
.m-pillar .p-switch {
  position: relative;
  width: 34px; height: 18px; flex: 0 0 auto;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 240ms var(--ease-out-soft), border-color 240ms var(--ease-out-soft);
}
.m-pillar .p-switch::after {
  content: '';
  position: absolute; top: 50%; left: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--fg3);
  transform: translateY(-50%);
  transition: transform 240ms var(--ease-spring), background 240ms var(--ease-out-soft);
}
.m-pillar[aria-pressed="true"] .p-switch {
  background: color-mix(in srgb, var(--c) 40%, transparent);
  border-color: var(--c);
}
.m-pillar[aria-pressed="true"] .p-switch::after {
  transform: translate(16px, -50%);
  background: var(--c);
  box-shadow: 0 0 8px var(--c);
}
.m-pillar .p-name {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(18px, 1.9vw, 22px); letter-spacing: -0.015em; line-height: 1.1;
  color: var(--fg1);
}
.m-pillar .p-desc {
  font-family: var(--font-body); font-weight: 300;
  font-size: 13.5px; line-height: 1.5; color: var(--fg2);
  text-wrap: pretty;
}

/* ---------- radiant result ---------- */
.engine-result {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 36px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0));
  padding: 32px 40px;
  overflow: hidden;
}
.engine-result::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--rc, var(--act-7));
  box-shadow: 0 0 16px var(--rc, var(--act-7));
  transition: background 460ms var(--ease-out-soft), box-shadow 460ms var(--ease-out-soft);
}

/* the emitter */
.emitter {
  position: relative;
  width: 150px; height: 150px;
  display: grid; place-items: center;
  justify-self: center;
}
.emitter-pulse {
  position: absolute;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid var(--rc, var(--act-7));
  opacity: 0;
  pointer-events: none;
}
.emitter[data-intensity="3"] .emitter-pulse {
  animation: emit-pulse 2.4s cubic-bezier(0.22,1,0.36,1) infinite;
}
.emitter[data-intensity="2"] .emitter-pulse {
  animation: emit-pulse 3.8s cubic-bezier(0.22,1,0.36,1) infinite;
}
.emitter[data-intensity="1"] .emitter-pulse {
  animation: emit-pulse 5.6s cubic-bezier(0.22,1,0.36,1) infinite;
}
.emitter-pulse:nth-of-type(1) { animation-delay: 0s; }
.emitter-pulse:nth-of-type(2) { animation-delay: 0.8s; }
.emitter-pulse:nth-of-type(3) { animation-delay: 1.6s; }
@keyframes emit-pulse {
  0%   { transform: scale(0.9); opacity: 0; }
  14%  { opacity: 0.55; }
  100% { transform: scale(3.0); opacity: 0; }
}
.emitter-core {
  position: relative;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%,
    rgba(255,255,255,0.92) 0%,
    var(--rc, var(--act-7)) 42%,
    color-mix(in srgb, var(--rc, var(--act-7)) 55%, #000) 100%);
  box-shadow: 0 0 calc(8px + var(--glowamt, 18px)) var(--rc, var(--act-7));
  transition: box-shadow 460ms var(--ease-out-soft), filter 460ms var(--ease-out-soft);
}
.emitter[data-intensity="3"] .emitter-core { animation: core-breathe 2.4s ease-in-out infinite; }
.emitter[data-intensity="0"] .emitter-core { filter: grayscale(0.7) brightness(0.5); }
@keyframes core-breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}

/* readout text */
.result-readout { min-width: 0; }
.result-readout .r-kicker {
  font-family: var(--font-display); font-weight: 600;
  font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--rc, var(--act-7));
  display: block; margin-bottom: 10px;
  transition: color 460ms var(--ease-out-soft);
}
.result-readout .r-name {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.02em; line-height: 1.05;
  color: var(--fg1);
  margin: 0 0 12px;
  text-wrap: balance;
}
.result-readout .r-desc {
  margin: 0;
  font-family: var(--font-body); font-weight: 300;
  font-size: 15.5px; line-height: 1.6; color: var(--fg2);
  text-wrap: pretty;
  max-width: 460px;
}
.result-readout .r-desc em { font-style: normal; color: var(--fg1); font-weight: 500; }

/* ---------- full state — all three pillars → brand spectrum ---------- */
/* vertical spectrum so the tall, thin accent bar shows the whole range */
.engine-result[data-full]::before {
  background: linear-gradient(180deg,
    var(--act-1) 0%, var(--act-2) 16.67%, var(--act-3) 33.33%,
    var(--act-4) 50%, var(--act-5) 66.67%, var(--act-6) 83.33%, var(--act-7) 100%);
  box-shadow: 0 0 18px rgba(167, 57, 226, 0.5);
}
/* eyebrow: colored gradient, on its OWN line (inline-block so gradient maps
   to the text; the block h3 title below forces it onto the next line) */
.engine-result[data-full] .r-kicker {
  display: inline-block;
  width: -moz-fit-content;
  width: fit-content;
  background: var(--gradient-spectrum);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
/* title stays WHITE, own line, same size as every other result */
/* standalone brand orb — rebalanced like the hero sigil orb so orange shows */
.engine-result[data-full] .emitter-core {
  background: radial-gradient(circle at 28% 26%,
    rgba(255, 255, 255, 0.92) 0%,
    var(--act-1) 18%,
    var(--act-4) 44%,
    var(--act-7) 78%,
    color-mix(in srgb, var(--act-7) 72%, #000) 100%);
  box-shadow:
    0 0 16px rgba(60, 194, 221, 0.5),
    0 0 30px rgba(167, 57, 226, 0.48),
    0 0 48px rgba(245, 140, 86, 0.5);
}
/* each pulse ring takes a spectrum endpoint → a rippling rainbow */
.engine-result[data-full] .emitter-pulse:nth-of-type(1) { border-color: var(--act-1); }
.engine-result[data-full] .emitter-pulse:nth-of-type(2) { border-color: var(--act-4); }
.engine-result[data-full] .emitter-pulse:nth-of-type(3) { border-color: var(--act-7); }

/* ---------- duo state — two active pillars → 2-color gradient ---------- */
/* vertical gradient of the two active colors on the accent bar */
.engine-result[data-duo]::before {
  background: linear-gradient(180deg, var(--c1) 0%, var(--c2) 100%);
  box-shadow: 0 0 16px color-mix(in srgb, var(--c1), var(--c2));
}
/* eyebrow: gradient of the two active colors, on its own top line */
.engine-result[data-duo] .r-kicker {
  display: inline-block;
  width: -moz-fit-content;
  width: fit-content;
  background: linear-gradient(90deg, var(--c1), var(--c2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
/* title stays white (handled by base .r-name) */
/* orb: a standalone two-color gradient sphere */
.engine-result[data-duo] .emitter-core {
  background: radial-gradient(circle at 30% 28%,
    rgba(255, 255, 255, 0.9) 0%,
    var(--c1) 28%,
    var(--c2) 86%,
    color-mix(in srgb, var(--c2) 70%, #000) 100%);
  box-shadow:
    0 0 16px color-mix(in srgb, var(--c1) 70%, transparent),
    0 0 36px color-mix(in srgb, var(--c2) 60%, transparent);
}
/* pulse rings ripple from c1 → blend → c2 */
.engine-result[data-duo] .emitter-pulse:nth-of-type(1) { border-color: var(--c1); }
.engine-result[data-duo] .emitter-pulse:nth-of-type(2) { border-color: color-mix(in srgb, var(--c1), var(--c2)); }
.engine-result[data-duo] .emitter-pulse:nth-of-type(3) { border-color: var(--c2); }

/* swap animation on change */
.result-readout.is-changing .r-name,
.result-readout.is-changing .r-desc,
.result-readout.is-changing .r-kicker { opacity: 0; transform: translateY(5px); }
.result-readout .r-name,
.result-readout .r-desc,
.result-readout .r-kicker {
  transition: opacity 240ms var(--ease-out-soft), transform 240ms var(--ease-out-soft);
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .momentum-v3 .wrap-narrow { padding: 0 24px; }
  .engine-pillars { grid-template-columns: 1fr; }
  .engine-result { grid-template-columns: 1fr; gap: 22px; padding: 28px 24px; text-align: center; }
  .emitter { justify-self: center; }
  .result-readout .r-desc { margin-inline: auto; }
}
@media (max-width: 560px) {
  .momentum-v3 { padding: 96px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .emitter-pulse { animation: none !important; }
  .emitter-core { animation: none !important; }
  .m-pillar, .engine-result::before, .result-readout * { transition: none !important; }
}