/*
 * ============================================================
 *  CLEAR IMPACT SYSTEMS - Methodology / Process Diagrams
 *  Premium, original CSS/SVG process visualizations.
 *  Namespaced under .methodology to avoid collisions.
 * ============================================================
 */

.methodology {
  position: relative;
  background-color: var(--cis-black);
  padding-block: var(--space-24);
  overflow: hidden;
}

.methodology__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 60% at 15% 0%, rgba(50, 172, 187, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 90% 100%, rgba(17, 67, 106, 0.30) 0%, transparent 60%),
    linear-gradient(rgba(50, 172, 187, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 172, 187, 0.022) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 64px 64px, 64px 64px;
}

.methodology .container { position: relative; z-index: 1; }

.methodology .section-header { margin-bottom: var(--space-16); }

.methodology .section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--cis-white);
  margin-bottom: var(--space-5);
  margin-top: var(--space-3);
}

.methodology .section-header p {
  color: var(--cis-silver-dim);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

/* ══════════════════════════════════════════════════════════════
   DIAGRAM 1 - THE INTELLIGENCE PIPELINE
══════════════════════════════════════════════════════════════ */

.pipeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-24);
}

/* The connecting rail behind the stage nodes */
.pipeline__rail {
  position: absolute;
  top: 38px;                 /* aligns with center of the node row */
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(50,172,187,0.0) 0%,
    rgba(50,172,187,0.45) 12%,
    rgba(206,176,78,0.55) 50%,
    rgba(206,176,78,0.45) 88%,
    rgba(206,176,78,0.0) 100%
  );
  z-index: 0;
}

.pipeline__rail::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.85), transparent);
  background-size: 28% 100%;
  background-repeat: no-repeat;
  opacity: 0.35;
  animation: pipeline-pulse 4.5s linear infinite;
}

@keyframes pipeline-pulse {
  0%   { background-position: -30% 0; }
  100% { background-position: 130% 0; }
}

.pipeline__stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-inline: var(--space-2);
}

/* numeric index chip */
.pipeline__index {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  color: var(--cis-gold);
  margin-bottom: var(--space-4);
}

/* the circular node */
.pipeline__node {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(50,172,187,0.18), transparent 70%),
    var(--cis-navy-surface);
  border: 1px solid var(--cis-navy-border);
  box-shadow: 0 0 0 8px rgba(8,12,19,0.9), 0 8px 24px rgba(0,0,0,0.4);
  margin-bottom: var(--space-6);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.pipeline__node svg {
  width: 34px;
  height: 34px;
  stroke: var(--cis-teal);
  fill: none;
}

.pipeline__stage:nth-child(3) .pipeline__node svg,
.pipeline__stage:nth-child(5) .pipeline__node svg { stroke: var(--cis-teal); }

.pipeline__stage:hover .pipeline__node {
  transform: translateY(-4px);
  border-color: rgba(50,172,187,0.5);
  box-shadow: 0 0 0 8px rgba(8,12,19,0.9), 0 0 28px rgba(50,172,187,0.25), 0 10px 28px rgba(0,0,0,0.5);
}

.pipeline__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--cis-white);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.pipeline__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--cis-silver-dim);
  margin-bottom: var(--space-4);
  max-width: 26ch;
}

.pipeline__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--cis-silver);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--cis-navy-border);
  border-radius: var(--radius-pill);
}

/* ══════════════════════════════════════════════════════════════
   DIAGRAM 2 - THE OPERATING LOOP
══════════════════════════════════════════════════════════════ */

.engine-loop {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-top: var(--space-12);
  border-top: 1px solid var(--cis-navy-border);
}

.engine-loop__viz {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

.engine-loop__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: loop-spin 48s linear infinite;
}

@keyframes loop-spin {
  to { transform: rotate(360deg); }
}

/* central core */
.engine-loop__core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 39%;
  height: 39%;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2px;
  background:
    radial-gradient(circle at 50% 35%, rgba(206,176,78,0.16), transparent 70%),
    var(--cis-navy);
  border: 1px solid rgba(206,176,78,0.35);
  box-shadow: inset 0 0 30px rgba(206,176,78,0.08), 0 12px 40px rgba(0,0,0,0.5);
}

.engine-loop__core-label {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--cis-gold);
}

.engine-loop__core-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--cis-white);
  line-height: 1.15;
}

/* orbiting phase nodes */
.engine-loop__phase {
  position: absolute;
  width: 116px;
  margin-left: -58px;
  margin-top: -38px;
  text-align: center;
}

.engine-loop__phase-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin: 0 auto var(--space-2);
  background: var(--cis-teal);
  box-shadow: 0 0 0 5px rgba(50,172,187,0.12), 0 0 16px rgba(50,172,187,0.5);
}

.engine-loop__phase-name {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--cis-white);
  margin-bottom: 2px;
}

.engine-loop__phase-sub {
  font-size: 11px;
  line-height: 1.35;
  color: var(--cis-silver-dim);
}

/* node placement around the ring (offset to center on the point) */
.engine-loop__phase--top    { top: 6%;  left: 50%; }
.engine-loop__phase--right  { top: 50%; left: 98%; }
.engine-loop__phase--bottom { top: 97%; left: 50%; }
.engine-loop__phase--left   { top: 50%; left: 4%; }

/* accent alternation */
.engine-loop__phase--right .engine-loop__phase-dot { background: var(--cis-gold); box-shadow: 0 0 0 5px rgba(206,176,78,0.12), 0 0 16px rgba(206,176,78,0.5); }
.engine-loop__phase--left  .engine-loop__phase-dot { background: var(--cis-gold); box-shadow: 0 0 0 5px rgba(206,176,78,0.12), 0 0 16px rgba(206,176,78,0.5); }

/* copy side */
.engine-loop__copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--cis-white);
  margin-bottom: var(--space-5);
}

.engine-loop__copy p {
  color: var(--cis-silver-dim);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  max-width: 54ch;
}

.engine-loop__legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--cis-navy-border);
}

.engine-loop__legend-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
}

.engine-loop__legend-num {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  color: var(--cis-gold);
  flex-shrink: 0;
  min-width: 28px;
}

.engine-loop__legend-text {
  font-size: var(--text-sm);
  color: var(--cis-silver);
  line-height: var(--leading-snug);
}

.engine-loop__legend-text strong { color: var(--cis-white); font-weight: var(--weight-semibold); }

/* ── RESPONSIVE ───────────────────────────────────────────── */

@media (max-width: 1024px) {
  .engine-loop {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .engine-loop__viz { order: 2; }
}

@media (max-width: 860px) {
  .pipeline {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10) var(--space-6);
  }
  .pipeline__rail { display: none; }
  .pipeline__node { box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
}

@media (max-width: 520px) {
  .pipeline { grid-template-columns: 1fr; }
  .engine-loop__viz { max-width: 320px; }
  .engine-loop__phase { width: 96px; margin-left: -48px; }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  .pipeline__rail::after,
  .engine-loop__ring {
    animation: none;
  }
}