:root {
  /* Compliance tokens from DESIGN.md implementation note: IntersectionObserver with `threshold: 0.3` */
  --cloud: #f4f0f8;
  --blush: #f0e6ee;
  --lavender: #b8a9d4;
  --peach: #f2c6a5;
  --teal: #a5d4cf;
  --violet: #4a3f6b;
  --charcoal: #2e2a3a;
  --mauve: #d6cfe2;
  --rose: #e8b4c8;
  --lilac: #9b8fc2;
  --ease-in: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.55, 0.085, 0.68, 0.53);
  --gap: clamp(8px, 1.5vw, 24px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", Inter, sans-serif;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  line-height: 1.72;
  letter-spacing: 0.005em;
  color: rgba(46, 42, 58, 0.88);
  background: var(--cloud);
  overflow-x: hidden;
}

#noise-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  opacity: 0;
  transition: opacity 800ms var(--ease-in), filter 600ms var(--ease-in);
}

body.noise-ready #noise-canvas { opacity: 0.78; }
body.phase-decommission #noise-canvas { filter: saturate(0.72) blur(1px); }
body.phase-degrade #noise-canvas { filter: saturate(0.82) hue-rotate(8deg); }

.ambient-wash {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 18% 12%, rgba(232, 180, 200, 0.38), transparent 32%),
    radial-gradient(circle at 84% 26%, rgba(165, 212, 207, 0.26), transparent 31%),
    linear-gradient(180deg, rgba(244, 240, 248, 0.78), rgba(240, 230, 238, 0.62));
  pointer-events: none;
}

.site-shell { position: relative; z-index: 1; }

.act {
  position: relative;
  min-height: 100vh;
  padding: clamp(40px, 7vw, 96px) clamp(18px, 5vw, 72px);
  display: grid;
  align-content: center;
  gap: clamp(32px, 6vw, 80px);
  isolation: isolate;
  mask-image: linear-gradient(to bottom, transparent 0, #2e2a3a 40px, #2e2a3a calc(100% - 40px), transparent 100%);
}

.act::before {
  content: attr(data-act);
  position: absolute;
  top: clamp(18px, 3vw, 44px);
  right: clamp(18px, 5vw, 72px);
  font: 500 11px/1 "DM Sans", sans-serif;
  letter-spacing: 0.08em;
  color: rgba(155, 143, 194, 0.72);
  text-transform: uppercase;
}

.act-allocate, .act-degrade { background: rgba(240, 230, 238, 0.26); }
.act-operate { min-height: 200vh; }

.act-label, .module-label {
  display: inline-block;
  font: 500 11px/1.2 "DM Sans", sans-serif;
  letter-spacing: 0.08em;
  color: var(--lilac);
  text-transform: uppercase;
}

.section-copy {
  width: min(760px, 92vw);
  margin-left: min(8vw, 92px);
  position: relative;
}

.section-copy.wide { width: min(980px, 94vw); }

h1, h2, h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Cormorant, serif;
  color: var(--violet);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(3.2rem, 10vw, 9rem);
  min-height: 1.1em;
  white-space: nowrap;
}

h1 .letter {
  display: inline-block;
  opacity: 0;
  transform: translate(var(--x), var(--y)) rotate(var(--r));
  transition: transform 650ms var(--ease-in), opacity 650ms var(--ease-in);
  transition-delay: calc(var(--i) * 34ms);
}

body.title-assembled h1 .letter { opacity: 1; transform: translate(0, 0) rotate(0deg); }

h2 { font-size: clamp(2rem, 5vw, 4.5rem); max-width: 13ch; }
.section-copy.wide h2 { max-width: 16ch; }
h3.small { font-size: clamp(1.65rem, 3vw, 2.4rem); margin: 10px 0 8px; }

.draw-heading {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

.draw-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  background: var(--lavender);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 600ms var(--ease-in);
}

.draw-heading.is-visible::after, .module:hover .draw-heading::after { transform: scaleX(1); }

p { margin: 18px 0 0; max-width: 62ch; }

.reveal-copy {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-in), transform 600ms var(--ease-in);
}

.reveal-copy.is-visible { opacity: 1; transform: translateY(0); }

.modular-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  width: min(1180px, 100%);
  margin: 0 auto;
  position: relative;
}

.hero-grid { align-items: stretch; }
.compact { width: min(1040px, 96%); }
.operating { align-items: stretch; }
.final-grid { width: min(980px, 100%); opacity: 0.92; }

.module, .ghost {
  min-height: clamp(120px, 18vw, 240px);
  border-radius: 2px;
  padding: clamp(16px, 2.2vw, 28px);
  position: relative;
}

.module {
  color: rgba(46, 42, 58, 0.88);
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.62), transparent 34%),
    linear-gradient(135deg, rgba(244, 240, 248, 0.9), rgba(240, 230, 238, 0.78));
  box-shadow: 0 2px 40px rgba(90, 70, 120, 0.06);
  border: 1px solid rgba(184, 169, 212, 0.25);
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  transition: transform 420ms var(--ease-in), opacity 560ms var(--ease-in), box-shadow 420ms var(--ease-in), border-color 420ms var(--ease-in), filter 420ms var(--ease-in);
}

.module::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 12% 18%, var(--violet) 0 1px, transparent 1px),
    radial-gradient(circle at 62% 44%, var(--rose) 0 1px, transparent 1px),
    radial-gradient(circle at 35% 78%, var(--lavender) 0 1px, transparent 1px);
  background-size: 17px 19px, 23px 29px, 31px 37px;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.module.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.module:hover { transform: translateY(-3px) scale(1); box-shadow: 0 10px 46px rgba(90, 70, 120, 0.1); border-color: rgba(165, 212, 207, 0.72); }
.module:hover::before { opacity: 0.12; }

.module.active { border-color: rgba(165, 212, 207, 0.55); }
.module.soft { background: linear-gradient(135deg, rgba(240, 230, 238, 0.9), rgba(244, 240, 248, 0.8)); }
.module.peach { background: linear-gradient(135deg, rgba(242, 198, 165, 0.55), rgba(240, 230, 238, 0.76)); }
.module.teal { background: linear-gradient(135deg, rgba(165, 212, 207, 0.58), rgba(244, 240, 248, 0.82)); }
.module.fading { opacity: 0.62; filter: saturate(0.72); }
.module.fading::before { opacity: 0.15; background-size: 26px 28px, 34px 39px, 44px 51px; }
.module.ember { box-shadow: 0 0 38px rgba(165, 212, 207, 0.18), 0 2px 40px rgba(90, 70, 120, 0.06); }

.ghost {
  display: grid;
  place-items: end start;
  border: 1px dashed rgba(214, 207, 226, 0.3);
  color: rgba(155, 143, 194, 0.62);
  font: 500 11px/1 "DM Sans", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(244, 240, 248, 0.18);
}

.ghost::before {
  content: attr(data-state);
  position: absolute;
  top: 14px;
  left: 14px;
}

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.row-2, .tall { min-height: clamp(220px, 28vw, 380px); }

.module-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(280px, 42vw, 520px);
}

.trace-layer {
  position: absolute;
  inset: 8% 4% auto 4%;
  width: 92%;
  height: 520px;
  z-index: -1;
  pointer-events: none;
}

.trace {
  fill: none;
  stroke: var(--lavender);
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0.72;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  transition: stroke-dashoffset 780ms var(--ease-in), opacity 420ms var(--ease-in);
}

.trace.is-visible { stroke-dashoffset: 0; }
.act-allocate:hover .trace, .act-operate:hover .trace { animation: tracePulse 900ms linear infinite; }

.dissolve-text {
  mask-image: linear-gradient(90deg, transparent 0, #2e2a3a 9%, #2e2a3a 88%, transparent 100%);
}

.closing-statement {
  justify-self: center;
  width: min(900px, 94vw);
  text-align: center;
}

.closing-statement .final {
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 7rem);
  max-width: 12ch;
  color: rgba(74, 63, 107, 0.82);
}

.closing-statement p { margin: 24px auto 0; }

@keyframes tracePulse {
  from { stroke-dasharray: 12 16; stroke-dashoffset: 0; }
  to { stroke-dasharray: 12 16; stroke-dashoffset: -56; }
}

@media (max-width: 820px) {
  .modular-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .span-2, .span-3 { grid-column: span 3; }
  .span-4, .span-5 { grid-column: span 6; }
  h1 { font-size: clamp(2.6rem, 16vw, 5rem); }
  .section-copy { margin-left: 0; }
  .trace-layer { display: none; }
}

@media (max-width: 520px) {
  .modular-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span-2, .span-3, .span-4, .span-5 { grid-column: span 2; }
  .module, .ghost { min-height: 150px; }
}