/* ============================================================
   Write it Right — "Find the Golden Thread" scrollytelling
   ============================================================ */

.scrolly {
  background: linear-gradient(180deg, var(--navy-shadow) 0%, var(--navy-deep) 18%, var(--navy-mid) 100%);
  position: relative;
  padding: 84px 24px 60px;
}
.scrolly-header { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.scrolly-header .eyebrow { color: var(--gold-foil); }
.scrolly-header .section-title { color: var(--paper-cream); }
.scrolly-header .section-title em { color: var(--gold-light); }
.scrolly-header .section-sub { color: rgba(245, 239, 224, 0.7); }

.scrolly-track {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1040px;
  margin: 0 auto;
}
/* ============================================================
   Phones: stacked layout. The sticky scene is hidden and each
   milestone gets its own document card inline above its text
   (clones inserted by main.js).
   ============================================================ */
@media (max-width: 719px) {
  .scrolly { padding: 64px 22px 40px; }
  .scrolly-track { display: block; }
  .scrolly-stage-wrap { display: none; }
  .scrolly-steps { padding: 0; }
  .scrolly-step { min-height: 0; padding: 30px 0 6px; opacity: 1; }
  .scrolly-step .cta-btn { align-self: stretch; text-align: center; }
}

/* inline document card inside a milestone (mobile clones) */
.scrolly-inline-doc {
  width: min(330px, 100%);
  margin: 0 0 18px;
}
.scrolly-inline-doc .scrolly-doc {
  position: relative;
  inset: auto;
  opacity: 1;
  transform: rotate(var(--doc-r, 0deg));
  padding: 18px 16px 16px 38px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
}
.scrolly-inline-doc .scrolly-doc .doc-body { font-size: 12.5px; }

/* the fanned mini-pile cloned into the final milestone (mobile) */
.scrolly-inline-pile {
  position: relative;
  width: min(300px, 88%);
  aspect-ratio: 3 / 4;
  margin: 6px auto 26px;
}
.scrolly-inline-pile .scrolly-doc { opacity: 1; }
.scrolly-inline-pile .scrolly-doc.landed:nth-child(1) { transform: rotate(-9deg) translate(-20px, 6px); }
.scrolly-inline-pile .scrolly-doc.landed:nth-child(2) { transform: rotate(-3deg) translate(-7px, 0); }
.scrolly-inline-pile .scrolly-doc.landed:nth-child(3) { transform: rotate(3deg) translate(7px, 0); }
.scrolly-inline-pile .scrolly-doc.landed:nth-child(4) { transform: rotate(9deg) translate(20px, 6px); }

/* ---- sticky page stack (left) ---- */
.scrolly-stage-wrap { position: relative; }
.scrolly-stage {
  position: sticky;
  top: 12vh;
  height: 76vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scrolly-pile {
  position: relative;
  width: min(340px, 80%);
  aspect-ratio: 3 / 4;
}

.scrolly-doc {
  position: absolute;
  inset: 0;
  background: var(--paper-cream);
  background-image:
    linear-gradient(90deg, transparent 30px, rgba(201, 169, 97, 0.3) 30px 31px, transparent 31px),
    repeating-linear-gradient(transparent 0 22px, var(--ruled-blue) 22px 23px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  padding: 44px 20px 18px 44px;
  opacity: 0;
  transform: translateY(60px) rotate(0deg);
  transition: opacity 0.55s var(--ease-page), transform 0.55s var(--ease-page);
}
.scrolly-doc.landed { opacity: 1; transform: translateY(0) rotate(var(--doc-r, 0deg)); }

/* fan-out at the finale */
.scrolly-pile.fanned .scrolly-doc.landed:nth-child(1) { transform: rotate(-9deg) translate(-26px, 6px); }
.scrolly-pile.fanned .scrolly-doc.landed:nth-child(2) { transform: rotate(-3deg) translate(-9px, 0); }
.scrolly-pile.fanned .scrolly-doc.landed:nth-child(3) { transform: rotate(3deg) translate(9px, 0); }
.scrolly-pile.fanned .scrolly-doc.landed:nth-child(4) { transform: rotate(9deg) translate(26px, 6px); }

.scrolly-doc .doc-letterhead {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-emboss);
  margin: 0 0 14px;
}
.scrolly-doc .doc-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--navy-deep);
  margin: 0 0 18px;
}
.scrolly-doc .doc-body {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.7;
  color: var(--warm-text);
  margin: 0;
}
.scrolly-doc .doc-body .gold-thread { font-weight: 500; }
.scrolly-doc .doc-stamp {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy-deep);
  border: 1.5px solid var(--navy-deep);
  background: rgba(232, 238, 248, 0.6);
  padding: 2px 7px;
  transform: rotate(-7deg);
}

/* SVG thread drawn across the pile */
.scrolly-thread {
  position: absolute;
  inset: -8% -12%;
  width: 124%;
  height: 116%;
  pointer-events: none;
  z-index: 8;
  overflow: visible;
  /* "darken" lets the gold thread stay vivid on the cream pages but yield to
     the dark chart text it crosses, so the words read clearly through it */
  mix-blend-mode: darken;
}
.scrolly-thread path {
  stroke: var(--gold-foil);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
}
.scrolly-thread .thread-knot { fill: var(--gold-bright); }

/* ---- scrolling milestones (right) ---- */
.scrolly-steps { padding: 6vh 0 8vh; }
.scrolly-step {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.25;
  transition: opacity 0.4s ease;
  padding: 24px 6px;
}
.scrolly-step.active { opacity: 1; }
.scrolly-step .step-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold-foil);
  text-transform: uppercase;
  margin: 0 0 12px;
}
.scrolly-step h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 500;
  line-height: 1.2;
  color: var(--paper-cream);
  margin: 0 0 12px;
}
.scrolly-step h3 em { font-style: italic; color: var(--gold-light); }
.scrolly-step p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 239, 224, 0.95);
  margin: 0;
  max-width: 460px;
}
.scrolly-step .step-note {
  font-family: var(--font-hand);
  font-size: 22px;
  color: var(--gold-foil);
  margin-top: 14px;
  transform: rotate(-1.5deg);
}
.scrolly-step .cta-btn { align-self: flex-start; margin-top: 22px; }


/* reduced motion: static stack, thread fully drawn */
@media (prefers-reduced-motion: reduce) {
  .scrolly-doc { opacity: 1; transform: rotate(var(--doc-r, 0deg)); transition: none; }
  .scrolly-step { opacity: 1; min-height: 0; padding: 28px 6px; }
  .scrolly-stage { position: static; height: auto; padding: 24px 0; }
  .scrolly-pile { margin: 0 auto; }
}