/* ============ KHALAS — components: cards, SVG set pieces, grids ============ */

/* ---- capability cards ---- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cap-card {
  background: var(--gunmetal-2);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  min-height: 17rem;
  display: flex;
  flex-direction: column;
  transition: background-color 0.35s ease;
}
.cap-card:hover { background: var(--gunmetal); }

.cap-card__index { color: var(--ink-faint); }

.cap-card__glyph {
  width: 2.4rem;
  height: 2.4rem;
  margin: 2.2rem 0 auto;
  padding-bottom: 1.3rem;
  box-sizing: content-box;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
  opacity: 0.85;
  transition: transform 0.35s ease;
}
.cap-card:hover .cap-card__glyph { transform: translateY(-4px); }

.cap-card h3 { font-size: var(--step-1); margin-bottom: 0.8rem; }
.cap-card p:last-child { color: var(--ink-dim); font-size: var(--step--1); line-height: 1.6; }

/* ---- technology blocks ---- */

.technology { overflow: hidden; }

.technology__dots {
  position: absolute;
  inset: -10% -5%;
  background-image: radial-gradient(rgba(245, 242, 234, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.tech-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.tech-block {
  background: var(--gunmetal-2);
  border: 1px solid var(--line);
  border-top: 1px solid var(--gold-faint);
  padding: clamp(1.6rem, 2.6vw, 2.2rem);
}
.tech-block__index { color: var(--gold); margin-bottom: 1.6rem; }
.tech-block h3 { font-size: var(--step-1); margin-bottom: 0.7rem; }
.tech-block p:last-child { color: var(--ink-dim); font-size: var(--step--1); }

/* ---- sovereignty pillars ---- */

.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
}

.pillar { position: relative; padding-top: clamp(7rem, 12vw, 11rem); }

.pillar__col {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: clamp(5.5rem, 10vw, 9rem);
  background: linear-gradient(180deg, var(--gold-faint) 0%, rgba(201, 168, 106, 0.04) 100%);
  border-top: 2px solid var(--gold);
}

.pillar__num { color: var(--ink-faint); margin-bottom: 0.7rem; }
.pillar h3 { font-size: var(--step-1); line-height: 1.15; }

/* ---- impact cards ---- */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.2rem;
}

.impact-card {
  grid-column: span 2;
  background: var(--gunmetal-2);
  border: 1px solid var(--line);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  min-height: 14rem;
  display: flex;
  flex-direction: column;
}
.impact-card--wide { grid-column: span 3; }

.impact-card__index { color: var(--gold); margin-bottom: auto; }
.impact-card h3 { font-size: var(--step-2); margin: 2rem 0 0.7rem; }
.impact-card p:last-child { color: var(--ink-dim); font-size: var(--step--1); }

/* ---- challenge airspace SVG ---- */

#airspaceSvg { width: 100%; height: 100%; }

.asv__rings circle, .asv__rings line {
  fill: none;
  stroke: rgba(245, 242, 234, 0.12);
  stroke-width: 1;
}

.asv__sweep path {
  fill: rgba(201, 168, 106, 0.07);
  transform-origin: 320px 320px;
  animation: asvSweep 9s linear infinite;
}
@keyframes asvSweep { to { transform: rotate(360deg); } }

.asv__vec polyline {
  fill: none;
  stroke: var(--blue-bright);
  stroke-width: 1.3;
  stroke-dasharray: 4 5;
  opacity: 0.8;
}

.asv__mark {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.3;
  transform-box: fill-box;
  transform-origin: center;
  transform: rotate(45deg);
}

.asv__vec text {
  fill: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.asv__core circle { fill: var(--gold); }
.asv__core .asv__core-ring {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.2;
  animation: corePing 3s ease-out infinite;
  transform-origin: 320px 320px;
}
@keyframes corePing {
  0% { transform: scale(0.5); opacity: 0.9; }
  80%, 100% { transform: scale(1.6); opacity: 0; }
}
.asv__core text {
  fill: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-anchor: middle;
}

/* ---- philosophy stack ---- */

.philosophy__visual {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.6rem;
  max-width: 26rem;
  margin-inline: auto;
  width: 100%;
}

.pstack__layer {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--gunmetal);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(201, 168, 106, 0.4);
  padding: 1.05rem 1.3rem;
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 600;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pstack__layer .mono { font-size: 0.62rem; color: var(--gold); min-width: 2.6rem; }

.pstack__layer--core {
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.16), rgba(201, 168, 106, 0.05));
  border-color: var(--gold-dim);
  border-left-color: var(--gold);
}
.pstack__layer--core.is-armed { animation: corePulse 3.2s ease-in-out infinite; }
@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 168, 106, 0); }
  50% { box-shadow: 0 0 26px 0 rgba(201, 168, 106, 0.22); }
}

/* ---- platform loop SVG ---- */

.platform__loop { max-width: 34rem; margin-inline: auto; width: 100%; aspect-ratio: 1; }
#loopSvg { width: 100%; height: 100%; overflow: visible; }

.loop__arcs path {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.6;
  opacity: 0.9;
}

.loop__node .loop__ring {
  fill: var(--black);
  stroke: rgba(245, 242, 234, 0.25);
  stroke-width: 1.2;
  transition: stroke 0.4s ease;
}
.loop__node .loop__dot { fill: var(--ink-faint); transition: fill 0.4s ease; }
.loop__node text {
  fill: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-anchor: middle;
  transition: fill 0.4s ease;
}
.loop__node.is-active .loop__ring { stroke: var(--gold); }
.loop__node.is-active .loop__dot { fill: var(--gold); }
.loop__node.is-active text { fill: var(--ink); }

.loop__tracer { fill: var(--gold); opacity: 0; }

.loop__center text {
  fill: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-anchor: middle;
  opacity: 0;
}

/* ---- platform stages text ---- */

.platform__stages { position: relative; min-height: 14rem; }

.pstage { padding-block: 1.2rem; }
.pstage__num { color: var(--gold); margin-bottom: 0.8rem; }
.pstage h3 { font-size: var(--step-3); margin-bottom: 0.7rem; }
.pstage p:last-child { color: var(--ink-dim); }

/* desktop pinned mode: stages stacked & crossfaded (JS adds .platform--pinned) */
.platform--pinned .pstage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
}

/* mobile / no-pin mode: vertical stepped list */
.platform--linear .platform__stages { display: flex; flex-direction: column; }
.platform--linear .pstage {
  border-left: 1px solid var(--gold-dim);
  padding-left: 1.6rem;
  margin-left: 0.4rem;
  position: relative;
}
.platform--linear .pstage::before {
  content: "";
  position: absolute;
  left: -5px; top: 1.7rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

/* slow self-rotation for linear mode */
.platform--linear .loop__arcs {
  transform-origin: 280px 280px;
  animation: loopSpin 30s linear infinite;
}
@keyframes loopSpin { to { transform: rotate(360deg); } }
.platform--linear .loop__node .loop__ring { stroke: var(--gold-dim); }
.platform--linear .loop__node .loop__dot { fill: var(--gold); }
.platform--linear .loop__node text { fill: var(--ink-dim); }
.platform--linear .loop__center text { opacity: 1; }

/* ============ breakpoints ============ */

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .impact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .impact-card, .impact-card--wide { grid-column: span 1; }
}

@media (max-width: 768px) {
  .cards-grid, .tech-grid { grid-template-columns: 1fr; }
  .cap-card { min-height: 0; }
  .impact-grid { grid-template-columns: 1fr; }
  .impact-card { min-height: 0; }
  .asv__vec text { font-size: 15px; }
}

@media (max-width: 480px) {
  .pillars { grid-template-columns: 1fr; }
}