/* =============================================================
   PARALLAX PARFUMS · story page
   Layered on top of styles.css. Uses the same token system,
   adds page-specific compositions.
   ============================================================= */

.story-page main {
  /* slight tone shift so the page has its own atmosphere */
  background: var(--bg);
}

/* a few page-wide typographic helpers */
.lead {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-style: italic;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 32px;
}
.kicker {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-style: italic;
  color: var(--accent);
  line-height: 1.3;
  margin-top: 16px;
}
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 30px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  border: 1px solid var(--ink);
  transition: background 400ms, color 400ms, border-color 400ms, transform 400ms;
}
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--accent); border-color: var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }


/* ============================================================
   HERO
   ============================================================ */
.story-hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 160px 48px 100px;
  overflow: hidden;
}

.story-hero__bg {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: 1fr 1fr;
  z-index: 0;
}
.story-hero__bg-half--umbra {
  background:
    radial-gradient(ellipse at 35% 50%, rgba(184,115,51,0.15), transparent 65%),
    linear-gradient(135deg, #0d0a08 0%, #1a1411 100%);
}
.story-hero__bg-half--lucent {
  background:
    radial-gradient(ellipse at 65% 50%, rgba(110,103,87,0.08), transparent 65%),
    linear-gradient(135deg, #f4f1ea 0%, #ece7da 100%);
}
.story-hero__seam {
  position: absolute;
  left: 50%; top: 8%; bottom: 8%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(184,115,51,0.4) 25%, rgba(184,115,51,0.4) 75%, transparent);
}

/* corner crosshairs */
.story-hero__crosshair {
  position: absolute; inset: 80px 60px;
  pointer-events: none; z-index: 1;
}
.ch {
  position: absolute;
  width: 28px; height: 28px;
}
.ch--tl { top: 0; left: 0; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.ch--tr { top: 0; right: 0; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.ch--bl { bottom: 0; left: 0; border-bottom: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.ch--br { bottom: 0; right: 0; border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

.story-hero__inner {
  position: relative; z-index: 2;
  max-width: 920px;
  text-align: center;

  /* Mix-blend keeps text legible across the split background.
     Each line of text inverts against the half it's on. */
  color: var(--accent);
}

.story-hero__eyebrow {
  color: var(--accent);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 900ms 200ms forwards;
}

.story-hero__pagetitle {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 300;
  letter-spacing: -0.02em;
  font-style: italic;

  /* Per-half color: cool trick, the title overlays the split,
     so use mix-blend-mode to invert it against either half. */
  color: #d9d3c4;
  mix-blend-mode: difference;
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp 1100ms 400ms forwards;
}

.story-hero__quote {
  position: relative;
  max-width: 720px;
  margin: 0 auto 64px;
  opacity: 0;
  animation: fadeUp 1100ms 700ms forwards;
}
.story-hero__quote p {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 300;
  line-height: 1.35;
  color: #d9d3c4;
  mix-blend-mode: difference;
}
.story-hero__quote em { color: #b87333; font-style: italic; }
.story-hero__mark {
  position: absolute;
  top: -56px; left: 50%;
  transform: translateX(-50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: 88px;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
}

.story-hero__rule {
  width: 80px; height: 1px;
  background: var(--accent);
  margin: 0 auto 40px;
  opacity: 0;
  animation: fadeUp 900ms 1000ms forwards;
}

.story-hero__index {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 4px 28px;
  opacity: 0;
  animation: fadeUp 900ms 1200ms forwards;
}
.story-hero__index a {
  display: inline-flex; align-items: baseline; gap: 8px;
  padding: 8px 4px;
  color: var(--accent);
  transition: color 300ms;
}
.story-hero__index a span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  opacity: 0.6;
}
.story-hero__index a:hover {
  color: #ede4d2;
  mix-blend-mode: difference;
}

/* ============================================================
   GENERAL CHAPTER SHELL
   ============================================================ */
.chapter {
  position: relative;
  padding: 160px 48px;
  border-top: 1px solid var(--line);
}

.chapter__rail {
  position: absolute;
  top: 96px; left: 48px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
  color: var(--ink-soft);
}
.chapter__rail-line {
  width: 1px; height: 80px;
  background: var(--line);
}

.chapter__title {
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 300;
  line-height: 1.02;
  margin-bottom: 0;
}

/* ============================================================
   §1 — THE ENGINEER'S FORMULA  (asymmetric two-column)
   ============================================================ */
.chapter--formula {
  background: var(--bg);
}
.chapter--formula .chapter__grid {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  column-gap: 96px; row-gap: 48px;
  align-items: start;
}
.chapter--formula .chapter__head {
  grid-column: 1; grid-row: 1;
}
.chapter--formula .chapter__body {
  grid-column: 1; grid-row: 2;
}
.chapter--formula .chapter__body p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 560px;
}
.chapter--formula .chapter__body .lead { color: var(--ink); max-width: 560px; }
.chapter--formula .chapter__body p em { color: var(--accent); }

.plate {
  grid-column: 2; grid-row: 1 / span 2;
  position: sticky; top: 120px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 20px;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.plate__head {
  display: flex; justify-content: space-between;
  padding: 0 4px 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--accent);
  margin-bottom: 12px;
}
.plate__svg { width: 100%; height: auto; }
.plate__caption {
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-soft);
  margin-top: 8px;
  font-style: normal;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px; font-style: italic;
  letter-spacing: 0.05em; text-transform: none;
}

/* ============================================================
   §2 — THE ART OF THE PARALLAX (center-axis, twin cards)
   ============================================================ */
.chapter--parallax {
  background: var(--bg-soft);
  text-align: center;
}

.chapter-head-center {
  max-width: 880px; margin: 0 auto;
}
.chapter-head-center__title {
  font-size: clamp(48px, 6vw, 88px);
  margin-bottom: 32px;
}
.chapter-head-center__sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 64px;
}
.chapter-head-center__sub em { color: var(--accent); }

.sightlines {
  max-width: 880px; margin: 0 auto 64px;
  color: var(--ink-soft);
}
.sightlines svg { width: 100%; height: auto; }

.chapter-head-center__bridge {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; font-style: italic;
  color: var(--ink);
  margin-bottom: 56px;
}

.duality {
  max-width: 1180px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
}
.duality__seam {
  display: flex; align-items: center; justify-content: center;
  padding: 0 24px;
}
.duality__seam .mono {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px; font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent);
}

.dual-card {
  padding: 56px 48px;
  text-align: left;
  border: 1px solid var(--line);
  position: relative;
  display: flex; flex-direction: column;
}
.dual-card--umbra {
  background: #0d0a08;
  color: #ede4d2;
  border-color: rgba(184,115,51,0.2);
  --local-accent: #b87333;
}
.dual-card--lucent {
  background: #f4f1ea;
  color: #1a1814;
  border-color: rgba(26,24,20,0.14);
  --local-accent: #6e6757;
}
.dual-card__num {
  color: var(--local-accent);
  margin-bottom: 20px;
}
.dual-card__name {
  font-size: clamp(34px, 3.5vw, 48px);
  margin-bottom: 24px;
  font-style: italic;
}
.dual-card__desc {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
  flex: 1;
}
.dual-card__desc em { color: var(--local-accent); font-style: italic; }
.dual-card__keywords {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 16px 0;
  margin-bottom: 32px;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  opacity: 0.85;
  font-size: 10px;
}
.dual-card__keywords span { color: inherit; }
.dual-card__cta {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  padding: 12px 20px;
  border: 1px solid var(--local-accent);
  color: var(--local-accent);
  transition: background 400ms, color 400ms;
}
.dual-card--umbra .dual-card__cta:hover { background: var(--local-accent); color: #0d0a08; }
.dual-card--lucent .dual-card__cta:hover { background: var(--local-accent); color: #f4f1ea; }

.duality__footer {
  max-width: 880px; margin: 64px auto 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  color: var(--ink);
}
.duality__footer em { color: var(--accent); font-style: italic; }

/* ============================================================
   §3 — ENGINEERED FOR ENDURANCE (data-viz forward)
   ============================================================ */
.chapter--endurance {
  background: var(--bg);
  text-align: center;
}

.endurance__intro {
  max-width: 720px; margin: 0 auto 80px;
}
.endurance__intro p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 32px;
}
.endurance__intro p em { color: var(--accent); }
.endurance__verdict {
  display: inline-block;
  padding: 24px 40px;
  border: 1px solid var(--line);
  margin-top: 16px;
}
.endurance__verdict .mono { color: var(--accent); margin-bottom: 12px; display: inline-block; }
.endurance__verdict em {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px; font-style: italic;
  color: var(--ink);
  margin: 0;
}

/* The curve */
.curve {
  max-width: 1100px; margin: 0 auto 80px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 28px 32px 24px;
  box-shadow: var(--shadow);
  text-align: left;
}
.curve__head {
  display: flex; justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--accent);
  margin-bottom: 16px;
}
.curve__chart svg {
  width: 100%; height: auto;
  color: var(--ink);
}
.curve__caption {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px; font-style: italic;
  color: var(--ink-soft);
  text-align: center;
}

.endurance__body {
  max-width: 720px; margin: 0 auto 80px;
}
.endurance__body p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.endurance__body p em { color: var(--accent); font-style: italic; }
.endurance__body p strong {
  font-weight: 400;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

/* Spec triplet */
.specs-row {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.spec-card {
  background: var(--bg-elev);
  padding: 48px 36px;
  text-align: left;
  transition: background 400ms;
}
.spec-card:hover { background: var(--bg-soft); }
.spec-card__num { color: var(--accent); margin-bottom: 16px; display: inline-block; }
.spec-card__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 32px;
}
.spec-card__val {
  font-size: clamp(56px, 6vw, 88px);
  font-weight: 300;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 16px;
}
.spec-card__val span { color: var(--accent); }
.spec-card__unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  display: inline-block;
  margin-left: 8px;
  color: var(--ink-soft);
}
.spec-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 280px;
}

/* ============================================================
   §4 — CRAFTED IN SANTA CLARA
   ============================================================ */
.chapter--craft {
  background: var(--bg-soft);
}
.craft__grid {
  max-width: 1180px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 96px;
  align-items: start;
}

.locator {
  position: sticky; top: 120px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 32px 28px 24px;
  box-shadow: var(--shadow);
  color: var(--ink);
}
.locator svg { width: 100%; height: auto; }
.locator__cap {
  margin-top: 8px;
  text-align: center;
  color: var(--accent);
}

.craft__copy header {
  margin-bottom: 40px;
}
.craft__copy .lead {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--ink);
}
.craft__copy p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 560px;
}
.craft__copy p em { color: var(--accent); font-style: italic; }
.craft__ctas {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-top: 40px;
}

/* Founder sign-off */
.signoff {
  max-width: 720px; margin: 120px auto 0;
  text-align: center;
}
.signoff__rule {
  width: 1px; height: 60px;
  background: var(--line);
  margin: 0 auto 24px;
}
.signoff__from { color: var(--ink-soft); margin-bottom: 12px; display: inline-block; }
.signoff__name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px;
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 12px;
}
.signoff__title { color: var(--ink-soft); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .story-hero { padding: 130px 24px 80px; }
  .story-hero__crosshair { inset: 60px 30px; }
  .story-hero__quote { padding: 0 12px; }
  .story-hero__mark { top: -42px; font-size: 60px; }

  .chapter { padding: 100px 24px; }
  .chapter__rail { display: none; }

  .chapter--formula .chapter__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .chapter--formula .chapter__head,
  .chapter--formula .chapter__body { grid-column: 1; }
  .plate { grid-column: 1; grid-row: auto; position: static; }

  .duality {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .duality__seam { padding: 8px 0; }
  .dual-card { padding: 36px 28px; }

  .curve { padding: 20px 16px; }
  .curve__head { font-size: 9px; }

  .specs-row {
    grid-template-columns: 1fr;
  }
  .spec-card { padding: 32px 24px; }

  .craft__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .locator { position: static; }

  .signoff { margin-top: 80px; }
  .signoff__name { font-size: 40px; }
}

@media (max-width: 560px) {
  .story-hero__pagetitle { font-size: clamp(40px, 11vw, 64px); }
  .story-hero__index { gap: 0 18px; }
  .story-hero__index a span { display: none; }
  .endurance__verdict { padding: 20px 24px; }
}