/* ============================================================
   HavenLink - Homepage sections ("Light Editorial")
   Requires editorial.css (tokens, primitives, nav/footer re-skin)
   loaded before this sheet. Scoped to the homepage's hm-* markup.

   Contents:
     1. Hero + threads canvas
     2. Mission
     3. Stakes (ink band)
     4. How It Works - stacked default + pinned chapters
     5. Safety index
     6. Final CTA band
     7. Motion + responsive
   ============================================================ */

/* ==================== 1. Hero ==================== */

.hm-hero {
  position: relative;
  min-height: calc(100vh - var(--hm-nav-h));
  min-height: calc(100svh - var(--hm-nav-h));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--paper);
}

.hm-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  /* keep the text zone clean - threads fade in from the right */
  -webkit-mask-image: linear-gradient(105deg, transparent 6%, rgba(0, 0, 0, 0.45) 32%, #000 58%);
  mask-image: linear-gradient(105deg, transparent 6%, rgba(0, 0, 0, 0.45) 32%, #000 58%);
}

.hm-hero-inner {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: clamp(3rem, 8vh, 6rem) var(--gutter) 0;
}

.hm-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: clamp(1.75rem, 4vh, 3rem);
}

.hm-hero-eyebrow::after {
  content: "";
  width: clamp(3rem, 8vw, 7rem);
  height: 1px;
  background: rgba(20, 33, 61, 0.3);
}

.hm-hero-title {
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144;
  max-width: 11ch;
  text-wrap: balance;
  margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
}

.hm-hero-title em {
  font-style: italic;
  color: var(--terracotta);
}

.hm-hero-standfirst {
  font-size: var(--text-lede);
  line-height: 1.65;
  font-weight: 420;
  color: var(--muted);
  max-width: 36rem;
  margin-bottom: clamp(2rem, 5vh, 3.25rem);
}

.hm-hero-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Bottom meta strip: hairline + assurances + scroll cue (kept LEFT -
   bottom-right belongs to the chat launcher) */
.hm-hero-meta {
  position: relative;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: 1.4rem var(--gutter) 1.6rem;
  border-top: var(--hairline);
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 4vw, 3rem);
  margin-top: clamp(3rem, 7vh, 5rem);
}

.hm-hero-meta-item {
  font-size: var(--text-meta);
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.hm-scrollcue {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-right: auto;
  order: -1;
  font-size: var(--text-eyebrow);
  font-weight: 560;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink);
  text-decoration: none;
}

.hm-scrollcue-line {
  display: inline-block;
  width: 1px;
  height: 26px;
  background: var(--ink);
  transform-origin: top;
  animation: hm-cue 2.4s var(--ease-out) infinite;
}

@keyframes hm-cue {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==================== 2. Mission ==================== */

.hm-mission {
  padding-block: var(--section-pad);
}

.hm-mission-statement {
  grid-column: 1 / span 12;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 420;
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 60;
  text-wrap: balance;
  max-width: 21ch;
}

.hm-mission-statement em {
  font-style: italic;
  color: var(--terracotta);
}

.hm-mission-body {
  grid-column: 1 / span 6;
  margin-top: clamp(2rem, 5vh, 3.5rem);
  color: var(--muted);
  max-width: 34rem;
}

.hm-mission-values {
  grid-column: 8 / span 5;
  margin-top: clamp(2rem, 5vh, 3.5rem);
  list-style: none;
  padding: 0;
}

.hm-mission-values li {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1.1rem 0;
  border-bottom: var(--hairline);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hm-mission-values li:first-child {
  border-top: var(--hairline);
}

.hm-mission-values .hm-tick {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--terracotta);
}

/* ==================== 3. Stakes (ink band) ==================== */

.hm-stakes {
  padding-block: var(--section-pad);
}

.hm-stakes-stat {
  grid-column: 1 / span 5;
}

.hm-stakes-number {
  font-family: var(--font-display);
  font-size: var(--text-giant);
  font-weight: 360;
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144;
  color: #e4b79a;
}

.hm-stakes-number sup {
  font-size: 0.4em;
  vertical-align: super;
}

.hm-stakes-caption {
  margin-top: 1.25rem;
  max-width: 20rem;
  font-size: var(--text-meta);
  line-height: 1.6;
  color: rgba(250, 248, 245, 0.6);
  border-left: 2px solid var(--terracotta);
  padding-left: 1rem;
}

.hm-stakes-copy {
  grid-column: 7 / span 6;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.4rem;
}

.hm-stakes-copy p {
  color: rgba(250, 248, 245, 0.78);
  max-width: 34rem;
}

.hm-stakes-pivot {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 440;
  line-height: 1.35;
  color: var(--paper);
  margin-top: 0.6rem;
}

/* ==================== 4. How It Works ==================== */

.hm-hiw {
  padding-top: var(--section-pad);
}

.hm-hiw-title {
  font-size: var(--text-display);
  font-weight: 420;
  line-height: 1.08;
  font-variation-settings: "opsz" 60;
  max-width: 14ch;
}

.hm-hiw-sub {
  font-size: var(--text-lede);
  color: var(--muted);
  font-weight: 420;
  margin-top: 1.1rem;
  max-width: 32rem;
}

.hm-hiw-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ---- Default layout (mobile / reduced motion / no JS): stacked
   editorial blocks. The pinned experience is layered on below. ---- */

.hm-chapter {
  position: relative;
  padding: clamp(2.5rem, 6vh, 4rem) 0;
  border-top: var(--hairline);
}

.hm-chapter-ghost {
  position: absolute;
  top: 0.5rem;
  right: 0;
  font-family: var(--font-display);
  font-size: clamp(7rem, 18vw, 13rem);
  font-weight: 380;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variation-settings: "opsz" 144;
  color: rgba(20, 33, 61, 0.06);
  pointer-events: none;
  user-select: none;
}

.hm-chapter-index {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--terracotta);
  margin-bottom: 1.1rem;
}

.hm-chapter-title {
  font-size: clamp(1.75rem, 3.4vw, 2.875rem);
  font-weight: 440;
  line-height: 1.1;
  font-variation-settings: "opsz" 40;
  margin-bottom: 1.1rem;
  max-width: 16ch;
}

.hm-chapter-desc {
  font-size: var(--text-lede);
  line-height: 1.65;
  color: var(--muted);
  max-width: var(--container-text);
}

.hm-chapter-art {
  margin-top: 2rem;
  max-width: 220px;
}

.hm-chapter-art svg {
  width: 100%;
  height: auto;
  display: block;
}

.hm-chapter-art .hm-draw {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;      /* paths carry pathLength="1" */
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.9s var(--ease-out);
}

.hm-chapter-art .hm-draw--accent {
  stroke: var(--terracotta);
  transition-delay: 0.25s;
}

/* stacked mode: draw strokes when the chapter scrolls into view */
.hm-chapter.is-in .hm-draw,
html:not(.js) .hm-chapter .hm-draw {
  stroke-dashoffset: 0;
}

.hm-hiw-rail {
  display: none;
}

.hm-hiw-cta {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: clamp(3rem, 7vh, 5rem) var(--gutter) var(--section-pad);
  border-top: var(--hairline);
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hm-hiw-cta .hm-eyebrow {
  margin-right: auto;
}

/* ---- Pinned chapter experience: desktop + motion-OK + JS ---- */

@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
  html.js .hm-hiw-track {
    height: calc(4 * 90vh);
  }

  html.js .hm-hiw-stage {
    position: sticky;
    top: var(--hm-nav-h);
    height: calc(100vh - var(--hm-nav-h));
    height: calc(100svh - var(--hm-nav-h));
    overflow: hidden;
    display: flex;
    align-items: stretch;
  }

  html.js .hm-hiw-steps {
    position: relative;
    flex: 1;
    max-width: var(--container-wide);
    margin-inline: auto;
    width: 100%;
  }

  html.js .hm-chapter {
    position: absolute;
    inset: 0;
    padding: 0 var(--gutter) 0 calc(var(--gutter) + 5.5rem);
    border-top: none;
    display: grid;
    grid-template-columns: minmax(0, 55fr) minmax(0, 40fr);
    column-gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    pointer-events: none;
    transition: opacity 0.45s var(--ease-out), transform 0.55s var(--ease-out);
  }

  html.js .hm-hiw-stage[data-step="0"] .hm-chapter[data-i="0"],
  html.js .hm-hiw-stage[data-step="1"] .hm-chapter[data-i="1"],
  html.js .hm-hiw-stage[data-step="2"] .hm-chapter[data-i="2"],
  html.js .hm-hiw-stage[data-step="3"] .hm-chapter[data-i="3"] {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* draw the active chapter's art */
  html.js .hm-hiw-stage[data-step="0"] .hm-chapter[data-i="0"] .hm-draw,
  html.js .hm-hiw-stage[data-step="1"] .hm-chapter[data-i="1"] .hm-draw,
  html.js .hm-hiw-stage[data-step="2"] .hm-chapter[data-i="2"] .hm-draw,
  html.js .hm-hiw-stage[data-step="3"] .hm-chapter[data-i="3"] .hm-draw {
    stroke-dashoffset: 0;
  }

  html.js .hm-chapter-text {
    position: relative;
    z-index: 1;
  }

  html.js .hm-chapter-ghost {
    top: 50%;
    right: auto;
    left: -0.06em;
    transform: translateY(-58%);
    font-size: clamp(14rem, 24vw, 21rem);
    color: rgba(20, 33, 61, 0.055);
    z-index: 0;
  }

  html.js .hm-chapter-art {
    margin-top: 0;
    max-width: none;
    align-self: center;
  }

  html.js .hm-chapter-art svg {
    max-height: 52vh;
    margin-inline: auto;
    max-width: min(30rem, 100%);
  }

  /* progress rail */
  html.js .hm-hiw-rail {
    display: block;
    position: absolute;
    left: var(--gutter);
    top: 50%;
    transform: translateY(-50%);
    height: min(46vh, 380px);
    z-index: 2;
  }

  html.js .hm-hiw-rail-line {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(20, 33, 61, 0.12);
  }

  html.js .hm-hiw-rail-fill {
    position: absolute;
    inset: 0;
    background: var(--terracotta);
    transform-origin: top;
    transform: scaleY(var(--hiw-p, 0));
  }

  html.js .hm-hiw-ticks {
    list-style: none;
    margin: 0;
    padding: 0;
    position: absolute;
    left: 1.1rem;
    top: 0;
    bottom: 0;
  }

  html.js .hm-hiw-ticks li {
    position: absolute;
    transform: translateY(-50%);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.85rem;
    color: rgba(20, 33, 61, 0.35);
    transition: color 0.3s ease;
  }

  html.js .hm-hiw-ticks li:nth-child(1) { top: 2%; }
  html.js .hm-hiw-ticks li:nth-child(2) { top: 34%; }
  html.js .hm-hiw-ticks li:nth-child(3) { top: 66%; }
  html.js .hm-hiw-ticks li:nth-child(4) { top: 98%; }

  html.js .hm-hiw-stage[data-step="0"] .hm-hiw-ticks li:nth-child(1),
  html.js .hm-hiw-stage[data-step="1"] .hm-hiw-ticks li:nth-child(2),
  html.js .hm-hiw-stage[data-step="2"] .hm-hiw-ticks li:nth-child(3),
  html.js .hm-hiw-stage[data-step="3"] .hm-hiw-ticks li:nth-child(4) {
    color: var(--terracotta);
  }
}

/* ==================== 5. Safety index ==================== */

.hm-safety {
  padding-block: var(--section-pad);
  background: var(--paper-dim);
}

.hm-safety-title {
  font-size: var(--text-display);
  font-weight: 420;
  line-height: 1.1;
  font-variation-settings: "opsz" 60;
  max-width: 18ch;
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
  text-wrap: balance;
}

.hm-safety-title em {
  font-style: italic;
  color: var(--terracotta);
}

.hm-safety-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hm-safety-row {
  display: grid;
  grid-template-columns: 4rem minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: baseline;
  padding: 1.75rem 0;
  border-top: var(--hairline);
}

.hm-safety-row:last-child {
  border-bottom: var(--hairline);
}

.hm-safety-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: rgba(20, 33, 61, 0.4);
  transition: color 0.3s ease;
}

.hm-safety-row:hover .hm-safety-num {
  color: var(--terracotta);
}

.hm-safety-name {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 460;
  line-height: 1.25;
  font-variation-settings: "opsz" 30;
  color: var(--ink);
}

.hm-safety-desc {
  color: var(--muted);
  font-size: var(--text-body);
  max-width: 32rem;
}

/* ==================== 6. Final CTA band ==================== */

.hm-cta {
  /* fuses with the .footer below it - same ink, hairline separation */
  padding-block: clamp(6rem, 14vh, 11rem) clamp(5rem, 10vh, 8rem);
}

.hm-cta-line {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4.75rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 100;
  color: var(--paper);
  max-width: 16ch;
  text-wrap: balance;
  margin-bottom: clamp(2.25rem, 5vh, 3.5rem);
}

.hm-cta-line em {
  font-style: italic;
  color: #e4b79a;
}

.hm-cta-actions {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  flex-wrap: wrap;
}

/* ==================== 7. Motion + responsive ==================== */

@media (prefers-reduced-motion: reduce) {
  .hm-scrollcue-line {
    animation: none;
  }

  .hm-chapter-art .hm-draw {
    stroke-dashoffset: 0;
    transition: none;
  }
}

@media (max-width: 900px) {
  .hm-mission-body {
    grid-column: 1 / span 12;
  }

  .hm-mission-values {
    grid-column: 1 / span 12;
    max-width: 30rem;
  }

  .hm-stakes-stat {
    grid-column: 1 / span 12;
  }

  .hm-stakes-copy {
    grid-column: 1 / span 12;
    margin-top: 2.5rem;
  }

  .hm-safety-row {
    grid-template-columns: 3rem minmax(0, 1fr);
  }

  .hm-safety-desc {
    grid-column: 2;
  }
}

@media (max-width: 768px) {
  .hm-hero-meta {
    flex-wrap: wrap;
    gap: 0.9rem 1.5rem;
    padding-right: max(var(--gutter), 88px); /* clear the chat launcher */
  }

  .hm-hero-meta-item {
    white-space: normal;
  }

  .hm-hero-actions {
    gap: 1.25rem;
  }

  .hm-hero-actions .hm-btn {
    width: 100%;
    justify-content: center;
  }

  .hm-chapter-ghost {
    font-size: clamp(5.5rem, 26vw, 9rem);
  }

  .hm-hiw-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hm-cta-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}