/* THE PLATFORM (version 2) - six pathways around the Falkon core.
   Desktop (wider than 1180px): one stage with the proportions of the approved design
   (1823 x 850 units). 1 unit = var(--u), so every size and position scales together.
   1180px and below: core on top, pathways as a list. */

.platform-section--v2 {
  display: block;
  min-height: 0;
  padding: clamp(12px, 2svh, 40px) clamp(0px, 1.6vw, 32px);
  background:
    radial-gradient(ellipse 34% 42% at 51% 47%, rgba(0, 150, 255, 0.1), transparent 70%),
    radial-gradient(ellipse 26% 30% at 73% 74%, rgba(40, 255, 140, 0.05), transparent 70%),
    linear-gradient(180deg, #020b14 0%, #03070b 100%);
}

.platform-section--v2::before {
  display: none;
}

.pf-stage {
  --u: calc(100cqw / 1823);
  position: relative;
  width: min(100%, 2000px, calc((100svh - 24px) * 1823 / 850));
  margin: 0 auto;
  aspect-ratio: 1823 / 850;
  container-type: inline-size;
}

.pf-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ---------- Intro (texts unchanged) ---------- */

.platform-section--v2 .pf-intro {
  position: absolute;
  z-index: 3;
  top: calc(60 * var(--u));
  left: calc(35 * var(--u));
  width: calc(330 * var(--u));
  max-width: none;
}

.platform-section--v2 .section-label {
  color: rgba(255, 255, 255, 0.92);
  font-size: calc(44 * var(--u));
  letter-spacing: 0.03em;
  line-height: 1.2;
  white-space: nowrap;
}

.platform-section--v2 .platform-intro h2 {
  max-width: calc(300 * var(--u));
  margin: calc(24 * var(--u)) 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: calc(23 * var(--u));
  font-weight: 300;
  line-height: 1.6;
}

.platform-section--v2 .platform-intro__copy {
  max-width: calc(290 * var(--u));
  margin: calc(18 * var(--u)) 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: calc(18.5 * var(--u));
  line-height: 1.65;
}

.platform-section--v2 .platform-discover {
  gap: calc(18 * var(--u));
  margin-top: calc(22 * var(--u));
  font-size: calc(16 * var(--u));
}

.platform-section--v2 .platform-discover span:last-child {
  width: calc(40 * var(--u));
  height: calc(40 * var(--u));
  font-size: calc(20 * var(--u));
}

/* ---------- Core ---------- */

.pf-core {
  position: absolute;
  z-index: 1;
  top: calc(60 * var(--u));
  left: calc(573 * var(--u));
  width: calc(800 * var(--u));
  aspect-ratio: 800 / 790;
}

.pf-core__art,
.pf-core__back,
.pf-core__floor {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.pf-core__floor,
.pf-core__rise {
  pointer-events: none;
}

/* Floor: fixed grid of dots; the lit copies only fade in and out (cheap for the graphics card). */
.pf-floor-grid,
.pf-wave {
  position: absolute;
  overflow: visible;
}

.pf-wave {
  opacity: 0;
  transform-origin: 50% 50%;
  will-change: transform, opacity;
}

.pf-pedestal__lines {
  fill: none;
  stroke-width: 0.8;
  stroke-dasharray: 1 5;
  opacity: 0.3;
}

/* Rising molecules: strips of dots that slide upwards, fading in at the base and out near the core. */
.pf-core__rise {
  position: absolute;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to top, transparent 0%, #000 12%, #000 48%, transparent 94%);
  mask-image: linear-gradient(to top, transparent 0%, #000 12%, #000 48%, transparent 94%);
}

.pf-rise-strip {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  will-change: transform;
}

.pf-core__mark {
  position: absolute;
  top: 43.04%;
  left: 50%;
  width: 32.5%;
  height: auto;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 12px rgba(40, 170, 255, 0.28));
}

.pf-halo {
  opacity: 0.55;
}

.pf-floor__drop {
  fill: none;
  stroke-linecap: round;
}

.pf-floor__drop {
  stroke: #2ad4dc;
}

.pf-floor__drop {
  stroke-width: 2.2;
  stroke-dasharray: 0 9;
  opacity: 0.65;
}

.pf-dot__core {
  fill: #f2feff;
}

.pf-dot__halo {
  opacity: 0.85;
}

/* ---------- Connection lines ---------- */

.pf-graphic {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.pf-line__glow,
.pf-line__core {
  fill: none;
  transition: opacity 220ms ease, stroke-width 220ms ease;
}

.pf-line__glow {
  stroke-width: 9;
  opacity: 0.5;
}

.pf-line__core {
  stroke-width: 2.6;
}

.pf-link {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 0 9;
  opacity: 0.7;
}

.pf-stage[data-active] .pf-line {
  opacity: 0.45;
  transition: opacity 220ms ease;
}

.pf-stage[data-active="saf"] .pf-line[data-line="saf"],
.pf-stage[data-active="hydrogen"] .pf-line[data-line="hydrogen"],
.pf-stage[data-active="methanol"] .pf-line[data-line="methanol"],
.pf-stage[data-active="ccus"] .pf-line[data-line="ccus"],
.pf-stage[data-active="hubs"] .pf-line[data-line="hubs"],
.pf-stage[data-active="solar"] .pf-line[data-line="solar"] {
  opacity: 1;
}

.pf-stage[data-active="saf"] .pf-line[data-line="saf"] .pf-line__glow,
.pf-stage[data-active="hydrogen"] .pf-line[data-line="hydrogen"] .pf-line__glow,
.pf-stage[data-active="methanol"] .pf-line[data-line="methanol"] .pf-line__glow,
.pf-stage[data-active="ccus"] .pf-line[data-line="ccus"] .pf-line__glow,
.pf-stage[data-active="hubs"] .pf-line[data-line="hubs"] .pf-line__glow,
.pf-stage[data-active="solar"] .pf-line[data-line="solar"] .pf-line__glow {
  stroke-width: 14;
  opacity: 0.85;
}

/* ---------- Pathway circles and texts ---------- */

.pf-nodes {
  position: absolute;
  z-index: 3;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none;
}

.pf-node {
  position: absolute;
  top: calc(var(--y) * var(--u));
  left: calc(var(--x) * var(--u));
  width: 0;
  height: 0;
}

.pf-node__badge,
.pf-node__text {
  pointer-events: auto;
}

.pf-node__badge {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: calc(200 * var(--u));
  height: calc(200 * var(--u));
  transform: translate(-50%, -50%);
  transition: transform 260ms ease, filter 260ms ease;
}

.pf-badge {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.pf-badge__outer {
  opacity: 0.5;
}

.pf-badge__glow {
  opacity: 0.55;
}

.pf-badge__inner {
  opacity: 0.3;
}

.pf-icon-text {
  font-family: var(--font-display);
  font-weight: 300;
}

.pf-node:hover .pf-node__badge {
  filter: brightness(1.18);
  transform: translate(-50%, -50%) scale(1.05);
}

.pf-node__text {
  position: absolute;
  top: 0;
  width: calc(var(--w) * var(--u));
  transform: translateY(-50%);
}

.pf-node--text-left .pf-node__text {
  right: calc(118 * var(--u));
}

.pf-node--text-right .pf-node__text {
  left: calc(118 * var(--u));
}

.pf-node--text-below-left .pf-node__text {
  top: calc(94 * var(--u));
  right: calc(27 * var(--u));
  transform: none;
}

.pf-node h3 {
  margin: 0;
  color: #00e6ff;
  font-family: var(--font-display);
  font-size: calc(23 * var(--u));
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.25;
  white-space: nowrap;
}

.pf-node--ccus h3 {
  color: #5b80ff;
}

.pf-node--saf h3 {
  color: #4a98ff;
}

.pf-node--hydrogen h3 {
  color: #2cbfff;
}

.pf-node--methanol h3 {
  color: #16e2f5;
}

.pf-node--hubs h3 {
  color: #1cecb6;
}

.pf-node--solar h3 {
  color: #55ff70;
}

.pf-node p {
  margin: calc(8 * var(--u)) 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: calc(19.5 * var(--u));
  font-weight: 300;
  line-height: 1.65;
}

/* ---------- 1180px and below: core on top, pathways as a list ---------- */

@media (max-width: 1180px) {
  .platform-section--v2 {
    padding: 78px clamp(24px, 6vw, 48px) 86px;
  }

  .pf-stage {
    width: auto;
    aspect-ratio: auto;
    container-type: normal;
  }

  .platform-section--v2 .pf-intro {
    position: static;
    width: auto;
    max-width: 580px;
  }

  .platform-section--v2 .section-label {
    font-size: clamp(28px, 4.2vw, 40px);
  }

  .platform-section--v2 .platform-intro h2 {
    max-width: 510px;
    margin-top: 24px;
    font-size: clamp(19px, 2.4vw, 24px);
  }

  .platform-section--v2 .platform-intro__copy {
    max-width: 520px;
    margin-top: 16px;
    font-size: 15px;
  }

  .platform-section--v2 .platform-discover {
    gap: 16px;
    margin-top: 28px;
    font-size: 12px;
  }

  .platform-section--v2 .platform-discover span:last-child {
    width: 35px;
    height: 35px;
    font-size: 18px;
  }

  .pf-graphic {
    display: none;
  }

  .pf-core {
    position: relative;
    top: auto;
    left: auto;
    width: min(100%, 440px);
    margin: 32px auto 4px;
  }

  .pf-nodes {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 28px;
    pointer-events: auto;
  }

  .pf-node {
    position: static;
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    width: auto;
    height: auto;
  }

  .pf-node__badge {
    position: static;
    width: 96px;
    height: 96px;
    transform: none;
  }

  .pf-node:hover .pf-node__badge {
    transform: scale(1.05);
  }

  .pf-node__text,
  .pf-node--text-below-left .pf-node__text {
    position: static;
    width: auto;
    transform: none;
  }

  .pf-node h3 {
    font-size: 17px;
    white-space: normal;
  }

  .pf-node p {
    margin-top: 6px;
    font-size: 14px;
    line-height: 1.6;
  }
}

@media (max-width: 640px) {
  .platform-section--v2 {
    padding: 68px var(--hero-inline-start) 74px;
  }

  .pf-nodes {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .pf-node {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 14px;
  }

  .pf-node__badge {
    width: 82px;
    height: 82px;
  }
}