/*
 * deltaloop-marketing/loop-diagram - block stylesheet.
 *
 * Auto-extracted from the monolithic style.css. References
 * design tokens from assets/css/tokens.css. Loaded by
 * WordPress when the block renders (via block.json `style`).
 */

/* ─────────────────────────────────────────────────────────
   Loop diagram - Section 4
   ───────────────────────────────────────────────────────── */

.loop-section {
  padding: 140px 48px 160px;
}

.loop-header {
  max-width: 760px;
  margin: 0 auto 72px;
  text-align: center;
}

.loop-headline {
  margin: 24px 0 24px;
}

.loop-subhead {
  margin: 0 auto;
  max-width: 58ch;
}

.loop-stage {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  aspect-ratio: 800 / 620;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(20,227,156,0.05), transparent 70%),
    var(--surface-stage);
  overflow: visible;
  padding: 0;
}

.loop-stage-noise {
  position: absolute; inset: 0;
  background-image: var(--noise-url);
  background-size: 180px 180px;
  opacity: 0.3;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.loop-svg {
  position: absolute; inset: 40px;
  width: calc(100% - 80px); height: calc(100% - 80px);
  display: block;
}

.loop-labels {
  position: absolute; inset: 40px;
  pointer-events: none;
}

.loop-label {
  position: absolute;
  transform: translate(-50%, -50%);
}

.loop-label-card {
  pointer-events: auto;
  background: rgba(13,13,19,0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 180px;
  position: relative;
  transition: border-color var(--duration-base) var(--ease-expo);
}

.loop-label-card:hover { border-color: var(--hairline-accent); }

.loop-label-card .mono-stamp { display: block; margin-bottom: 6px; }

.loop-label-title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-heading);
  margin: 0 0 4px;
}

.loop-label-copy {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
  color: var(--on-surface-variant);
  margin: 0;
}

/* Position nudges so cards don't sit ON the node circles */

.loop-label--top { transform: translate(-50%, -100%); }

.loop-label--bottom { transform: translate(-50%, 0); }

.loop-label--left { transform: translate(-100%, -50%); }

.loop-label--right { transform: translate(0, -50%); }

/* ── Live loop counter ── */

.loop-counter {
  position: absolute;
  top: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(13, 13, 19, 0.7);
  backdrop-filter: blur(6px);
  z-index: 2;
}

.loop-counter-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: livePulse 1.2s ease-in-out infinite;
}

.loop-counter-num {
  color: var(--text-heading);
  font-variant-numeric: tabular-nums;
}

/* ── Central live card ── */

.loop-core {
  width: 184px;
  height: 120px;
  padding: 10px 12px;
  background: rgba(13,13,19,0.85);
  border: 1px solid rgba(20,227,156,0.35);
  border-radius: 4px;
  box-shadow:
    0 0 0 1px rgba(20,227,156,0.08),
    0 0 40px rgba(20,227,156,0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-sizing: border-box;
}

.loop-core-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.loop-core-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
  animation: livePulse 1.2s ease-in-out infinite;
  flex: none;
}

.loop-core-url {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--on-surface);
}

.loop-core-caret {
  color: var(--primary);
  margin-left: 1px;
  animation: coreCaret 1s steps(2) infinite;
}

.loop-core-metric {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  line-height: 1;
}

.loop-core-delta {
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
}

.loop-core-num {
  color: var(--text-heading);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  transition: color .3s ease;
}

.loop-core-num.is-tick {
  animation: coreTick 0.9s var(--ease-expo);
}

.loop-core-unit {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--outline);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-left: 2px;
}

.loop-core-spark {
  height: 18px;
  margin: -2px 0 2px;
}

.loop-core-spark svg { width: 100%; height: 100%; display: block; }

.loop-core-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.18em;
  color: var(--outline);
  text-transform: uppercase;
  padding-top: 4px;
  border-top: 1px dashed rgba(255,255,255,0.08);
}

.loop-core-foot-time { color: var(--primary); }

/* LOOP - orbit scales in + rings draw */

.loop-stage.reveal {
  transform: translate3d(0, 48px, 0) scale(0.96);
  filter: blur(6px);
  transform-origin: 50% 60%;
}

.loop-stage.reveal.is-in {
  transform: none;
  filter: none;
}

.loop-stage .loop-svg path,
.loop-stage .loop-svg circle,
.loop-stage .loop-svg line {
  transition: stroke-dashoffset 1800ms cubic-bezier(0.16, 1, 0.3, 1) 300ms,
              opacity 600ms var(--ease-expo) 300ms;
}

/* ────────────────── TABLET (< 1024px) ────────────────── */

@media (max-width: 1024px) {
  .loop-section { padding: 100px 32px 120px; }
}

/* ────────────────── PHONE (< 640px) ────────────────── */

@media (max-width: 640px) {
  /* Loop diagram - hide label cards on phone, they collide. Keep orbit. */
  .loop-section { padding: 80px 20px 96px; }
  .loop-header { margin-bottom: 48px; }
  .loop-stage { aspect-ratio: 1 / 1; border-radius: var(--radius); }
  .loop-labels { display: none; }
  .loop-counter {
    top: 12px; right: 12px;
    padding: 6px 10px; gap: 6px;
  }
  .loop-core {
    width: 140px; height: 96px; padding: 8px 10px;
  }
  .loop-core-num { font-size: 20px; }
}

/* Respect user's motion preference - pause the expensive stuff. */

@media (prefers-reduced-motion: reduce) {
  .loop-counter-dot,
.loop-core-dot,
.loop-core-caret {
    animation: none !important;
  }
}

/* ────────────────── PHONE overrides (refined) ────────────────── */

@media (max-width: 640px) {
  /* Loop counter text is small + mono - keep it visible */
  .loop-counter .mono-stamp { font-size: 9px; }
}