/* =============================================================================
   TEKAVRA CREATIVE — SHARED DESIGN SYSTEM
   "A workshop that's also a temple." Copper embers through cracks in ancient
   stone. Loaded by every page. Three lenses ride on this base:
     World (Home) · Living Seam (body pages) · Forge (Process).
   Fonts are @import-ed per page (Newsreader / Space Grotesk / Caveat).
   ========================================================================== */

/* ============================ TOKENS ====================================== */
:root{
  /* --- the one number: copper hue. Variants derive from it in OKLCH. --- */
  --hue: 55;

  /* --- brand hex, verbatim (source of truth for exact matching) --- */
  --bg-espresso:#141008;
  --warm-dark:#1A1610;
  --raised:#201C14;
  --raised-hi:#26211829;         /* faint raised wash */
  --copper:#C87830;
  --copper-dark:#A05E1A;
  --on-copper:#0E0A05;
  --cream:#F5F1E8;
  --cream-off:#EDE8DF;
  --sand:#D4C4A0;
  --sandstone:#C2A06A;
  --indigo:#1A1535;
  --indigo-light:#2A2555;
  --violet:#9B7DC5;
  --teal:#1F9B8A;
  --glow:rgba(200,120,48,.18);

  /* --- OKLCH-derived working set (perceptual, P3-ready) --- */
  --stone-bg:      oklch(0.17 0.018 var(--hue));   /* espresso */
  --stone-warm:    oklch(0.20 0.020 var(--hue));   /* warm-dark */
  --stone-raised:  oklch(0.24 0.022 var(--hue));   /* raised */
  --stone-lit:     oklch(0.30 0.020 58);
  --stone-deep:    oklch(0.155 0.015 55);
  --copper-o:      oklch(0.63 0.130 var(--hue));   /* == #C87830 */
  --copper-deep-o: oklch(0.52 0.120 48);           /* == #A05E1A */
  --ember-core:    oklch(0.74 0.150 62);           /* bright ember tip */
  --ember-hot:     oklch(0.85 0.150 70);           /* white-hot */
  --violet-o:      oklch(0.55 0.110 300);
  --violet-deep:   oklch(0.34 0.090 300);
  --copper-hover:  oklch(from var(--copper-o) calc(l + 0.06) c h);
  --copper-glow:   color-mix(in oklch, var(--copper) 20%, transparent);
  --line-soft:     color-mix(in oklch, var(--copper) 22%, transparent);
  --line-softer:   color-mix(in oklch, var(--copper) 14%, transparent);

  /* --- type --- */
  --font-display:'Newsreader', Georgia, 'Times New Roman', serif;
  --font-body:'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-accent:'Caveat', 'Segoe Script', cursive;

  /* fluid type scale (floor + fluid + ceiling; rem middle term for zoom a11y) */
  --fs-micro:  clamp(.68rem, .64rem + .18vw, .76rem);
  --fs-eyebrow:clamp(.7rem, .66rem + .2vw, .8rem);
  --fs-small:  clamp(.86rem, .82rem + .2vw, .95rem);
  --fs-body:   clamp(1rem, .95rem + .28vw, 1.14rem);
  --fs-lede:   clamp(1.1rem, 1rem + .6vw, 1.34rem);
  --fs-h3:     clamp(1.25rem, 1.08rem + .9vw, 1.7rem);
  --fs-h2:     clamp(1.75rem, 1.15rem + 3vw, 3.4rem);
  --fs-h1:     clamp(2rem, 1.1rem + 4.4vw, 5rem);
  --fs-display:clamp(2.3rem, 1.2rem + 5.4vw, 6rem);

  /* --- 8px spacing scale (9 values) --- */
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px;
  --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px; --s-10:128px;
  --gutter:clamp(1.1rem, 5vw, 5.5rem);
  --measure:66ch;

  /* --- shape --- */
  --r-sharp:0.15rem;
  --r:0.3rem;
  --r-lg:0.45rem;

  /* --- z-index scale (named, no escalation) --- */
  --z-bg:0; --z-fx:5; --z-veil:7; --z-content:8; --z-header:50; --z-skip:100;

  /* --- motion --- */
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;

  /* live parallax / entry (JS-driven, safe static defaults) */
  --px:0; --py:0; --enter:1;
}
@property --enter{ syntax:'<number>'; inherits:true; initial-value:1; }
@property --seam-glow{ syntax:'<number>'; inherits:true; initial-value:0; }

/* ============================ RESET / BASE =============================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; text-size-adjust:100%; }
body{
  margin:0;
  min-height:100dvh;
  background:var(--bg-espresso);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;               /* clip decorative bleed; keeps sticky alive */
}
img,svg,canvas,video{ max-width:100%; height:auto; display:block; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.2;
  margin:0;
  color:var(--cream);
  text-wrap:balance;
  overflow-wrap:break-word;
  min-width:0;
}
h1{ font-weight:800; font-size:var(--fs-h1); letter-spacing:-.01em; line-height:1.06; }
h2{ font-weight:700; font-size:var(--fs-h2); letter-spacing:-.005em; }
h3{ font-weight:600; font-size:var(--fs-h3); }
p{ margin:0; text-wrap:pretty; max-width:var(--measure); }
a{ color:var(--copper); text-decoration:none; text-underline-offset:3px; }
a:hover{ text-decoration:underline; }
ul,ol{ margin:0; padding:0; list-style:none; }
strong,b{ color:var(--cream); font-weight:600; }
::selection{ background:var(--copper); color:var(--on-copper); }
:focus-visible{
  outline:2px solid var(--ember-core);
  outline-offset:3px;
  border-radius:var(--r-sharp);
}

/* physical-origin film grain (fixed, cheap, whole-site texture) */
.grain-layer{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  opacity:.045; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================ SKIP LINK ================================= */
.skip{
  position:absolute; left:-9999px; top:0; z-index:var(--z-skip);
  background:var(--copper); color:var(--on-copper);
  padding:.6rem 1rem; border-radius:var(--r-sharp);
  font-family:var(--font-body); font-weight:600;
}
.skip:focus{ left:1rem; top:1rem; }

/* ============================ LAYOUT PRIMITIVES ========================= */
.wrap{ width:100%; max-width:min(1200px,100%); margin-inline:auto; padding-inline:var(--gutter); }
.wrap--wide{ max-width:min(1440px,100%); }
.wrap--narrow{ max-width:min(880px,100%); }

.section{ padding-block:clamp(3.5rem, 8vh, 7rem); position:relative; }
.section--tight{ padding-block:clamp(2.5rem, 5vh, 4rem); }
.section--flush{ padding-block:0; }

.eyebrow{
  font-family:var(--font-body); font-weight:500;
  font-size:var(--fs-eyebrow);
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--copper);
  display:flex; align-items:center; flex-wrap:wrap; gap:.4rem .7rem;
  margin:0 0 var(--s-5); min-width:0;
  overflow-wrap:break-word;
}
.eyebrow::before{
  content:""; flex:0 0 auto; width:2.4rem; height:1px;
  background:linear-gradient(90deg, var(--copper), transparent);
}
.eyebrow--center{ justify-content:center; }
.eyebrow--center::after{
  content:""; flex:0 0 auto; width:2.4rem; height:1px;
  background:linear-gradient(90deg, transparent, var(--copper));
}

.lede{ font-size:var(--fs-lede); color:var(--cream-off); line-height:1.55; max-width:52ch; }
.accent-note{
  font-family:var(--font-accent); font-weight:600;
  font-size:clamp(1.2rem,1rem+1vw,1.7rem);
  color:var(--sand); line-height:1.2;
}
.accent-note em{ color:var(--copper); font-style:normal; }

/* ============================ EMBER-SEAM DEVICE ========================= */
/* The signature divider: a living copper crack in the stone. Horizontal. */
.seam-divider{
  position:relative; height:1px; border:0; margin:0;
  background:linear-gradient(90deg,
    transparent 0%,
    var(--line-softer) 12%,
    var(--copper) 50%,
    var(--line-softer) 88%,
    transparent 100%);
}
.seam-divider::after{
  content:""; position:absolute; left:50%; top:50%;
  width:7px; height:7px; transform:translate(-50%,-50%) rotate(45deg);
  background:var(--ember-core);
  box-shadow:0 0 12px var(--copper-glow), 0 0 3px var(--ember-hot);
}
/* small inline diamond joint marker (reusable) */
.joint{
  display:inline-block; width:6px; height:6px; flex:0 0 auto;
  transform:rotate(45deg); background:var(--copper);
  box-shadow:0 0 6px var(--copper-glow);
}

/* ============================ BUTTONS ================================== */
.btn{
  --btn-min:48px;
  font-family:var(--font-display); font-weight:700;
  font-size:1.02rem; letter-spacing:.01em;
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  min-height:var(--btn-min); padding:.7rem 1.5rem;
  border-radius:var(--r); border:1px solid transparent;
  cursor:pointer; text-decoration:none; min-width:0;
  transition:transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease),
             filter var(--dur) var(--ease),
             background var(--dur) var(--ease),
             border-color var(--dur) var(--ease);
}
.btn:hover{ text-decoration:none; }
.btn .arw{ transition:transform var(--dur) var(--ease); }

.btn--primary{
  color:var(--on-copper);
  background:linear-gradient(180deg, var(--ember-core), var(--copper));
  border-color:var(--copper-dark);
  box-shadow:0 6px 24px -6px var(--glow), inset 0 1px 0 rgba(255,236,210,.4);
}
.btn--secondary{
  color:var(--cream);
  background:color-mix(in oklch, var(--raised) 80%, transparent);
  border-color:var(--line-soft);
}
.btn--ghost{
  color:var(--cream);
  background:transparent;
  border-color:var(--line-soft);
}
@media (hover:hover) and (pointer:fine){
  .btn--primary:hover{
    transform:translateY(-2px); filter:brightness(1.04);
    box-shadow:0 12px 34px -6px rgba(200,120,48,.5), inset 0 1px 0 rgba(255,236,210,.5);
  }
  .btn--secondary:hover{ border-color:var(--copper); background:var(--raised); }
  .btn--ghost:hover{ border-color:var(--copper); background:var(--glow); }
  .btn:hover .arw{ transform:translateX(4px); }
}
.btn:active{ transform:translateY(0); }
@media (max-width:560px){ .btn{ width:100%; } }

.cta-row{ display:flex; flex-wrap:wrap; gap:var(--s-3) var(--s-4); align-items:center; min-width:0; }

/* ============================ CARDS =================================== */
.card{
  position:relative; min-width:0;
  padding:clamp(1.25rem,3vw,1.9rem);
  border:1px solid var(--line-soft);
  border-radius:var(--r);
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--raised) 92%, transparent),
      color-mix(in oklch, var(--warm-dark) 92%, transparent));
  box-shadow:inset 0 1px 0 color-mix(in oklch, var(--cream) 6%, transparent),
             0 10px 30px -12px rgba(0,0,0,.5);
  transition:transform var(--dur) var(--ease),
             border-color var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
@media (hover:hover) and (pointer:fine){
  .card--interactive:hover{
    transform:translateY(-3px);
    border-color:var(--copper);
    box-shadow:inset 0 1px 0 color-mix(in oklch, var(--cream) 8%, transparent),
               0 18px 40px -14px rgba(0,0,0,.6), 0 0 30px -10px var(--copper-glow);
  }
}
/* Von Restorff variant — one card that breaks the grid (copper-lit, seam edge) */
.card--featured{
  border-color:var(--copper);
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--raised) 88%, var(--copper) 4%),
      color-mix(in oklch, var(--warm-dark) 92%, transparent));
  box-shadow:inset 0 1px 0 color-mix(in oklch, var(--cream) 9%, transparent),
             0 18px 46px -16px rgba(0,0,0,.6), 0 0 40px -14px var(--copper-glow);
}
.card--featured::before{
  content:""; position:absolute; left:-1px; top:16%; width:3px; height:52%;
  background:linear-gradient(180deg, transparent, var(--copper), transparent);
  box-shadow:0 0 14px var(--copper-glow);
}

.card h3{ margin:0 0 .5rem; }
.card p{ color:var(--cream-off); font-size:var(--fs-small); }
.tag{
  display:inline-flex; align-items:center; gap:.45rem;
  font-family:var(--font-body); font-weight:600; font-size:var(--fs-micro);
  letter-spacing:.14em; text-transform:uppercase; color:var(--sandstone);
}
.price{
  font-family:var(--font-display); font-weight:700;
  color:var(--ember-core); font-size:1.05rem; letter-spacing:.01em;
}

/* ============================ SITE HEADER (shared nav) ================= */
.site-header{
  position:sticky; top:0; z-index:var(--z-header);
  background:linear-gradient(180deg, rgba(20,16,8,.92), rgba(20,16,8,.6) 72%, transparent);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  padding-top:env(safe-area-inset-top);
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between; gap:var(--s-4);
  padding-block:.85rem; min-width:0;
}
.brand{ display:flex; align-items:center; gap:.6rem; min-width:0; text-decoration:none; }
.brand:hover{ text-decoration:none; }
.brand .mark{ width:34px; height:34px; flex:0 0 auto; filter:drop-shadow(0 0 10px var(--glow)); }
.brand__name{
  font-family:var(--font-display); font-weight:800; font-size:1.15rem;
  letter-spacing:.02em; color:var(--cream); line-height:1; min-width:0;
}
.brand__name small{
  display:block; font-family:var(--font-body); font-weight:400;
  font-size:.58rem; letter-spacing:.32em; text-transform:uppercase;
  color:var(--sand); opacity:.85; margin-top:2px;
}

/* nav — desktop inline, mobile <details> disclosure (zero-JS, accessible) */
.nav{ display:contents; }
.nav__toggle{
  display:inline-flex; align-items:center; gap:.5rem; cursor:pointer;
  min-height:44px; padding:.5rem .8rem; border-radius:var(--r-sharp);
  border:1px solid var(--line-soft); color:var(--cream);
  font-family:var(--font-body); font-weight:600; font-size:var(--fs-small);
  list-style:none;
}
.nav__toggle::-webkit-details-marker{ display:none; }
.nav__toggle .bars{ display:inline-block; width:18px; height:12px; position:relative; }
.nav__toggle .bars::before,
.nav__toggle .bars::after,
.nav__toggle .bars i{
  content:""; position:absolute; left:0; right:0; height:2px; background:var(--copper); border-radius:2px;
}
.nav__toggle .bars::before{ top:0; }
.nav__toggle .bars i{ top:5px; }
.nav__toggle .bars::after{ bottom:0; }
.nav__links{
  list-style:none; margin:0; padding:0;
  display:flex; align-items:center; gap:var(--s-5); min-width:0;
}
.nav__links a{
  font-family:var(--font-body); font-weight:500; font-size:var(--fs-small);
  color:var(--cream-off); letter-spacing:.02em; text-decoration:none;
  padding:.4rem 0; position:relative; white-space:nowrap;
  min-height:44px; display:inline-flex; align-items:center;
}
.nav__links a[aria-current="page"]{ color:var(--copper); }
.nav__links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:.15rem; height:1.5px;
  background:var(--copper); transition:right var(--dur) var(--ease);
}
@media (hover:hover) and (pointer:fine){
  .nav__links a:hover{ color:var(--cream); text-decoration:none; }
  .nav__links a:hover::after{ right:0; }
}
.nav__links a[aria-current="page"]::after{ right:0; }
.nav__cta{ margin-left:.3rem; }

/* desktop: hide the toggle, show links inline */
@media (min-width:880px){
  .nav__toggle{ display:none; }
  .nav__disclosure{ display:contents; }
  .nav__panel{ display:contents; }
}
/* mobile: <details> disclosure panel */
@media (max-width:879px){
  .nav__panel{
    position:absolute; left:0; right:0; top:100%;
    background:var(--warm-dark);
    border-top:1px solid var(--line-soft);
    border-bottom:1px solid var(--line-soft);
    padding:var(--s-4) var(--gutter) calc(var(--s-5) + env(safe-area-inset-bottom));
    box-shadow:0 24px 40px -20px rgba(0,0,0,.7);
  }
  .nav__links{ flex-direction:column; align-items:stretch; gap:0; }
  .nav__links li{ border-bottom:1px solid var(--line-softer); }
  .nav__links li:last-child{ border-bottom:0; }
  .nav__links a{ width:100%; font-size:1.05rem; }
  .nav__cta{ margin:var(--s-4) 0 0; }
  .nav__cta .btn{ width:100%; }
}

/* ============================ PROOF / CHIPS =========================== */
.chip-row{ display:flex; flex-wrap:wrap; gap:var(--s-3); min-width:0; }
.chip{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.5rem .9rem; border-radius:var(--r-sharp);
  border:1px solid var(--line-soft);
  background:color-mix(in oklch, var(--raised) 70%, transparent);
  font-family:var(--font-body); font-weight:500; font-size:var(--fs-small);
  color:var(--cream-off); min-width:0;
}
.chip .joint{ width:5px; height:5px; }

/* ============================ FOOTER ================================== */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg, var(--bg-espresso), #0f0c06);
  padding-block:clamp(2.5rem,6vh,4rem);
  padding-bottom:calc(clamp(2.5rem,6vh,4rem) + env(safe-area-inset-bottom));
}
.site-footer__grid{
  display:grid; gap:var(--s-6);
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
}
@media (max-width:720px){ .site-footer__grid{ grid-template-columns:minmax(0,1fr); gap:var(--s-5); } }
.site-footer h4{
  font-family:var(--font-body); font-weight:600; font-size:var(--fs-micro);
  letter-spacing:.18em; text-transform:uppercase; color:var(--sandstone);
  margin:0 0 var(--s-3);
}
.site-footer a{
  color:var(--cream-off); font-size:var(--fs-small); text-decoration:none;
  display:inline-flex; min-height:32px; align-items:center;
}
.site-footer a:hover{ color:var(--copper); text-decoration:underline; }
.site-footer__brand .brand__name{ font-size:1.3rem; }
.site-footer nav ul{ display:grid; gap:.2rem; }
.trust-note{
  font-size:var(--fs-small); color:var(--sand); max-width:44ch; margin-top:var(--s-3);
  display:flex; gap:.6rem; align-items:flex-start;
}
.footer-legal{
  margin-top:var(--s-6); padding-top:var(--s-4);
  border-top:1px solid var(--line-softer);
  display:flex; flex-wrap:wrap; gap:.6rem var(--s-5); align-items:center;
  justify-content:space-between;
  font-size:var(--fs-micro); color:var(--sandstone);
}
.footer-legal a{ font-size:var(--fs-micro); }

/* ============================ WORLD HERO (corridor) ==================== */
/* Reusable "step into the workshop-temple" stage: CSS-perspective stone
   corridor receding to a vanishing point, copper seam parting, embers rising.
   JS drives --enter / --px / --py; static defaults render a full open scene. */
.world-hero{
  position:relative; min-height:100dvh;
  display:flex; flex-direction:column;
  overflow:clip; isolation:isolate;
  background:
    radial-gradient(120% 90% at 50% 42%, var(--violet-deep) 0%, rgba(26,21,53,0) 42%),
    radial-gradient(80% 70% at 50% 46%, #241a0c 0%, var(--bg-espresso) 60%),
    var(--bg-espresso);
}
.vault{
  position:absolute; inset:0; z-index:var(--z-bg);
  perspective:1150px;
  perspective-origin:calc(50% + var(--px) * 8%) calc(44% + var(--py) * 6%);
  pointer-events:none;
}
.corridor{
  position:absolute; inset:0; transform-style:preserve-3d;
  transform:
    translateZ(calc(60px + var(--enter) * 120px))
    rotateY(calc(var(--px) * 4deg))
    rotateX(calc(var(--py) * -2.4deg));
  transition:transform .6s var(--ease);
  will-change:transform;
}
.plane{
  position:absolute;
  background-color:var(--stone-warm);
  background-image:
    repeating-linear-gradient(92deg, rgba(0,0,0,.14) 0 2px, rgba(255,255,255,.012) 2px 5px),
    repeating-linear-gradient(0deg,
      rgba(0,0,0,.55) 0 2px,
      rgba(200,120,48,.10) 2px 4px,
      rgba(255,255,255,.015) 4px 6px,
      transparent 6px 74px);
  box-shadow:inset 0 0 140px 30px rgba(0,0,0,.6);
}
.plane::before{
  content:""; position:absolute; inset:0;
  background-image:repeating-linear-gradient(90deg,
    transparent 0 118px,
    rgba(0,0,0,.5) 118px 120px,
    rgba(200,120,48,.07) 120px 122px,
    transparent 122px 240px);
  opacity:.9;
}
.wall-left{ left:0; top:-14%; width:64%; height:128%; transform-origin:left center;
  transform:rotateY(64deg); background-position:right center; filter:brightness(.8); }
.wall-right{ right:0; top:-14%; width:64%; height:128%; transform-origin:right center;
  transform:rotateY(-64deg); background-position:left center; filter:brightness(.72); }
.floor{ left:-14%; bottom:0; width:128%; height:60%; transform-origin:center bottom;
  transform:rotateX(72deg); filter:brightness(.5);
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.5) 0 2px, transparent 2px 90px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.45) 0 2px, rgba(200,120,48,.05) 2px 3px, transparent 3px 120px); }
.ceiling{ left:-14%; top:0; width:128%; height:52%; transform-origin:center top;
  transform:rotateX(-74deg); filter:brightness(.34); }
.back{ left:26%; top:16%; width:48%; height:66%; transform:translateZ(-360px);
  background-color:var(--stone-deep); filter:brightness(.62); overflow:visible; }
.back .lattice{ position:absolute; inset:8% 10%; opacity:.5; }

/* the copper seam — threshold mechanism, parts on --enter */
.seam{
  position:absolute; left:50%; top:8%; height:84%;
  width:calc(6px + var(--enter) * 44px);
  transform:translateX(-50%);
  background:linear-gradient(180deg,
    transparent 0%, var(--ember-core) 14%, var(--copper) 50%, var(--copper-dark) 86%, transparent 100%);
  border-radius:50%;
  filter:blur(calc(1px + var(--enter) * 2px));
  box-shadow:0 0 30px 6px var(--glow), 0 0 90px 24px rgba(200,120,48,.22);
  transition:width .9s var(--ease), filter .9s ease;
}
/* volumetric shaft pouring forward */
.shaft{
  position:absolute; left:50%; top:0; bottom:0; width:min(58vw,520px);
  transform:translateX(-50%); z-index:var(--z-fx); pointer-events:none;
  background:conic-gradient(from 90deg at 50% 42%,
    transparent 0deg, rgba(200,120,48,.10) 8deg, rgba(200,120,48,.03) 22deg,
    transparent 44deg, transparent 316deg, rgba(200,120,48,.03) 338deg,
    rgba(200,120,48,.10) 352deg, transparent 360deg);
  mix-blend-mode:screen; opacity:calc(.35 + var(--enter) * .45); filter:blur(14px);
  animation:shaft-flicker 6.5s ease-in-out infinite;
}
@keyframes shaft-flicker{
  0%,100%{ opacity:calc(.34 + var(--enter)*.45); }
  40%{ opacity:calc(.46 + var(--enter)*.45); }
  70%{ opacity:calc(.30 + var(--enter)*.45); }
}
#embers{ position:absolute; inset:0; z-index:var(--z-fx); pointer-events:none; mix-blend-mode:screen; }

/* readability veil, anchored to where the copy lives */
.hero-veil{
  position:absolute; inset:0; z-index:var(--z-veil); pointer-events:none;
  background:
    linear-gradient(90deg, rgba(15,11,6,.88) 0%, rgba(15,11,6,.5) 36%, rgba(15,11,6,0) 66%),
    linear-gradient(0deg, rgba(15,11,6,.86) 0%, rgba(15,11,6,0) 48%);
}
@media (min-width:900px){
  .hero-veil{ background:
    linear-gradient(90deg, rgba(15,11,6,.84) 0%, rgba(15,11,6,.32) 42%, rgba(15,11,6,0) 68%),
    linear-gradient(0deg, rgba(15,11,6,.5) 0%, rgba(15,11,6,0) 34%); }
}

.hero-content{
  position:relative; z-index:var(--z-content);
  flex:1 1 auto; display:flex; flex-direction:column; justify-content:flex-end;
  padding-block:clamp(6rem,14vh,9rem) clamp(3rem,8dvh,5rem);
  min-width:0;
}
@media (min-width:900px){ .hero-content{ justify-content:center; } }
.hero-copy{ max-width:46rem; min-width:0; width:100%; }
.hero-copy h1{ margin:0 0 var(--s-4); text-shadow:0 2px 30px rgba(0,0,0,.6); }
@media (max-width:560px){ .hero-copy h1{ text-wrap:pretty; } }
.hero-copy h1 .lit{
  color:transparent;
  background:linear-gradient(94deg, var(--ember-core), var(--copper) 55%, var(--sand));
  -webkit-background-clip:text; background-clip:text;
}
.hero-copy .lede{ margin:0 0 var(--s-5); max-width:38rem; }

/* scroll cue */
.scroll-cue{
  position:absolute; left:50%; bottom:1.4rem; transform:translateX(-50%);
  z-index:var(--z-content);
  display:flex; flex-direction:column; align-items:center; gap:.4rem;
  font-family:var(--font-body); font-size:.66rem; letter-spacing:.28em;
  text-transform:uppercase; color:var(--sand); opacity:.6; pointer-events:none;
}
.scroll-cue svg{ animation:bob 2.4s ease-in-out infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(5px); } }

/* ============================ REDUCED MOTION =========================== */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important;
     transition-duration:.001ms !important; }
  :root{ --enter:1; }
  .corridor{ transform:translateZ(140px); }
  .shaft{ animation:none; }
  #embers{ display:none; }
  .scroll-cue svg{ animation:none; }
}