/* ============================================================
   How We Lost Our Minds — Me, Myself and AI
   A tale of two spells: warm gold (the human mind) meets
   cool blue (the machine). Cream serif on near-black.
   ============================================================ */

:root{
  --bg:        #0a0a0c;
  --bg-2:      #0d0d10;
  --panel:     #111114;
  --line:      rgba(236,228,211,0.12);
  --line-soft: rgba(236,228,211,0.07);

  --cream:     #ece4d3;
  --cream-dim: rgba(236,228,211,0.66);
  --cream-mute:rgba(236,228,211,0.42);

  --gold:      #d8a24a;   /* the human / the mind */
  --gold-soft: #e6bd76;
  --blue:      #6aa9d6;   /* the machine / AI */
  --blue-soft: #93c4e6;

  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --serif: "Cormorant Garamond", Georgia, serif;
  --read:  "Newsreader", Georgia, serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  background:var(--bg);
  color:var(--cream);
  font-family:var(--read);
  font-weight:400;
  font-size:19px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

::selection{ background:rgba(216,162,74,0.3); color:#fff; }

img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* ---------- typographic helpers ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--cream-mute);
}
.eyebrow .dot{ color:var(--gold); }

.display{
  font-family:var(--serif);
  font-weight:500;
  line-height:1.0;
  letter-spacing:-0.01em;
  text-wrap:pretty;
}

.lead{
  font-size:clamp(20px,2.4vw,27px);
  line-height:1.5;
  color:var(--cream-dim);
  font-weight:300;
}

.gold{ color:var(--gold); }
.blue{ color:var(--blue); }
.ital{ font-style:italic; }

.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 40px; }

section{ position:relative; }

/* ============================================================
   Reading progress + nav
   ============================================================ */
#progress{
  position:fixed; top:0; left:0; height:2px; width:0%;
  background:linear-gradient(90deg,var(--gold),var(--blue));
  z-index:200; transition:width .1s linear;
}

#nav{
  position:fixed; top:0; left:0; right:0; z-index:150;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 40px;
  transition:padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
#nav.scrolled{
  padding:14px 40px;
  background:rgba(10,10,12,0.72);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-soft);
}
.brand{
  font-family:var(--serif);
  font-size:21px; font-weight:600; letter-spacing:0.01em;
  display:flex; align-items:baseline; gap:10px;
}
.brand .sub{
  font-family:var(--mono); font-size:10px; letter-spacing:0.26em;
  text-transform:uppercase; color:var(--cream-mute); font-weight:500;
}
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a.link{
  font-family:var(--mono); font-size:12px; letter-spacing:0.16em;
  text-transform:uppercase; color:var(--cream-dim);
  transition:color .25s; position:relative; padding:4px 0;
}
.nav-links a.link::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:0;
  background:var(--gold); transition:width .3s var(--ease);
}
.nav-links a.link:hover{ color:var(--cream); }
.nav-links a.link:hover::after{ width:100%; }
.nav-links a.link.active{ color:var(--cream); }
.nav-links a.link.active::after{ width:100%; }

.btn{
  font-family:var(--mono); font-size:12px; letter-spacing:0.16em;
  text-transform:uppercase; font-weight:500;
  padding:12px 22px; border-radius:2px; cursor:pointer;
  display:inline-flex; align-items:center; gap:10px;
  transition:transform .25s var(--ease), background .25s, color .25s, border-color .25s;
  border:1px solid transparent; white-space:nowrap;
}
.btn-gold{ background:var(--gold); color:#1a1305; }
.btn-gold:hover{ background:var(--gold-soft); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--line); color:var(--cream); background:transparent; }
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold); transform:translateY(-2px); }
.btn-lg{ padding:16px 30px; font-size:13px; }

@media(max-width:860px){ .nav-links .link{ display:none; } }

/* ============================================================
   HERO
   ============================================================ */
#hero{
  min-height:100svh; display:flex; align-items:center;
  padding:120px 0 80px; overflow:hidden;
}
#hero-canvas{
  position:absolute; inset:0; width:100%; height:100%;
  z-index:0; opacity:0.9;
}
#hero::after{ /* vignette */
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(120% 90% at 50% 40%, transparent 40%, rgba(10,10,12,0.5) 80%, var(--bg) 100%);
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:60px; align-items:center;
}
.hero-eyebrow{ margin-bottom:26px; }
#hero h1{
  font-size:clamp(52px,8.2vw,118px);
  margin-bottom:18px;
}
#hero .subtitle{
  font-family:var(--serif); font-style:italic; font-weight:500;
  font-size:clamp(26px,3.6vw,46px); line-height:1.05; margin-bottom:30px;
  color:var(--cream);
}
#hero .hook{
  max-width:30ch; margin-bottom:38px;
}
#hero .hook b{ color:var(--cream); font-weight:500; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; align-items:center; }
.hero-meta{
  margin-top:34px; display:flex; gap:26px; flex-wrap:wrap;
  font-family:var(--mono); font-size:11px; letter-spacing:0.18em;
  text-transform:uppercase; color:var(--cream-mute);
}
.hero-meta span{ display:flex; align-items:center; gap:8px; }
.hero-meta .tick{ width:5px; height:5px; background:var(--gold); border-radius:50%; }

/* floating cover */
.cover-stage{ position:relative; display:flex; justify-content:center; perspective:1600px; }
.cover-card{
  position:relative; width:min(380px,80%);
  border-radius:4px; overflow:hidden;
  box-shadow:0 40px 120px -30px rgba(0,0,0,0.9),
             0 0 0 1px rgba(236,228,211,0.08),
             0 0 80px -20px rgba(216,162,74,0.18);
  transform:rotateY(-13deg) rotateX(4deg);
  transition:transform .5s var(--ease);
}
.cover-card img{ width:100%; }
.cover-card::after{ /* sheen */
  content:""; position:absolute; inset:0;
  background:linear-gradient(115deg, rgba(255,255,255,0.12) 0%, transparent 35%);
  mix-blend-mode:screen; pointer-events:none;
}
.cover-glow{
  position:absolute; inset:-12%; z-index:-1; filter:blur(60px); opacity:0.5;
  background:radial-gradient(50% 50% at 35% 40%, rgba(216,162,74,0.45), transparent 70%),
            radial-gradient(50% 50% at 70% 60%, rgba(106,169,214,0.4), transparent 70%);
}
.cover-shelf{
  margin-top:18px; font-family:var(--mono); font-size:10.5px; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--cream-mute); text-align:center;
}

.scroll-cue{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  z-index:3; font-family:var(--mono); font-size:10px; letter-spacing:0.3em;
  text-transform:uppercase; color:var(--cream-mute);
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.scroll-cue .bar{ width:1px; height:34px; background:linear-gradient(var(--cream-mute),transparent); animation:cue 2.2s var(--ease) infinite; }
@keyframes cue{ 0%,100%{ transform:scaleY(.5); opacity:.4; transform-origin:top;} 50%{ transform:scaleY(1); opacity:1; } }

@media(max-width:860px){
  .hero-grid{ grid-template-columns:1fr; gap:48px; }
  .cover-stage{ order:-1; }
  .cover-card{ transform:none; width:min(280px,70%); }
}

/* ============================================================
   Section scaffolding
   ============================================================ */
.section-pad{ padding:130px 0; }
.section-head{ max-width:760px; margin-bottom:64px; }
.section-head .eyebrow{ margin-bottom:22px; display:block; }
.section-head h2{ font-size:clamp(38px,5.4vw,72px); margin-bottom:24px; }

.divider-line{ height:1px; background:var(--line-soft); }

/* reveal animation */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
[data-reveal].in{ opacity:1; transform:none; }
[data-reveal][data-d="1"]{ transition-delay:.1s; }
[data-reveal][data-d="2"]{ transition-delay:.2s; }
[data-reveal][data-d="3"]{ transition-delay:.3s; }
[data-reveal][data-d="4"]{ transition-delay:.4s; }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity:1; transform:none; transition:none; }
}

/* ============================================================
   TWO SPELLS
   ============================================================ */
#spells{ background:
   linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.spells-grid{
  display:grid; grid-template-columns:1fr 1px 1fr; gap:0; margin-top:20px;
  border:1px solid var(--line-soft);
  border-radius:6px; overflow:hidden;
  background:rgba(255,255,255,0.012);
}
.spell{ padding:54px 48px; position:relative; transition:background .5s var(--ease); }
.spell:hover{ background:rgba(255,255,255,0.02); }
.spell .num{
  font-family:var(--mono); font-size:12px; letter-spacing:0.24em; text-transform:uppercase;
  color:var(--cream-mute); margin-bottom:28px; display:flex; align-items:center; gap:12px;
}
.spell .num .glyph{ width:34px; height:34px; border-radius:50%; border:1px solid var(--line);
  display:grid; place-items:center; font-size:15px; }
.spell.gold-side .num .glyph{ border-color:rgba(216,162,74,0.5); color:var(--gold); box-shadow:0 0 24px -6px rgba(216,162,74,0.5) inset; }
.spell.blue-side .num .glyph{ border-color:rgba(106,169,214,0.5); color:var(--blue); box-shadow:0 0 24px -6px rgba(106,169,214,0.5) inset; }
.spell h3{
  font-family:var(--serif); font-weight:500; font-size:clamp(28px,3.4vw,44px);
  line-height:1.04; margin-bottom:22px; letter-spacing:-0.01em;
}
.spell.gold-side h3 .hl{ color:var(--gold); }
.spell.blue-side h3 .hl{ color:var(--blue); }
.spell p{ color:var(--cream-dim); font-size:18px; max-width:38ch; }
.spell .vline{ position:absolute; }
.spells-mid{ background:linear-gradient(180deg,transparent,var(--line),transparent); }
.spells-conclusion{
  margin-top:48px; text-align:center; max-width:780px; margin-left:auto; margin-right:auto;
}
.spells-conclusion .big{
  font-family:var(--serif); font-style:italic; font-weight:500;
  font-size:clamp(26px,3.6vw,42px); line-height:1.18; color:var(--cream);
}
@media(max-width:760px){
  .spells-grid{ grid-template-columns:1fr; }
  .spells-mid{ height:1px; }
  .spell{ padding:42px 30px; }
}

/* ============================================================
   QUESTIONS
   ============================================================ */
#questions{ background:var(--bg-2); }
.q-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.qcard{
  position:relative; min-height:340px; cursor:pointer;
  border:1px solid var(--line-soft); border-radius:6px;
  background:linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.008));
  padding:38px 34px; overflow:hidden;
  transition:border-color .4s var(--ease), transform .4s var(--ease), background .4s var(--ease);
  display:flex; flex-direction:column;
}
.qcard:hover{ transform:translateY(-5px); border-color:var(--line); }
.qcard .q-idx{ font-family:var(--mono); font-size:12px; letter-spacing:0.2em; color:var(--cream-mute); margin-bottom:auto; }
.qcard .q-text{
  font-family:var(--serif); font-weight:500; font-size:clamp(26px,2.4vw,33px);
  line-height:1.08; letter-spacing:-0.01em; margin-top:30px;
}
.qcard .q-ans{
  font-size:16px; line-height:1.55; color:var(--cream-dim);
  max-height:0; opacity:0; overflow:hidden;
  transition:max-height .55s var(--ease), opacity .45s var(--ease), margin .45s var(--ease);
  margin-top:0;
}
.qcard.open .q-ans{ max-height:240px; opacity:1; margin-top:20px; }
.qcard .q-toggle{
  margin-top:22px; font-family:var(--mono); font-size:11px; letter-spacing:0.2em;
  text-transform:uppercase; color:var(--gold); display:flex; align-items:center; gap:10px;
}
.qcard .q-toggle .pm{ transition:transform .4s var(--ease); display:inline-block; }
.qcard.open .q-toggle .pm{ transform:rotate(45deg); }
.qcard .corner{ position:absolute; top:0; right:0; width:80px; height:80px;
  background:radial-gradient(circle at top right, rgba(216,162,74,0.16), transparent 70%);
  opacity:0; transition:opacity .4s; }
.qcard:hover .corner{ opacity:1; }
.qcard.blue-q:hover .corner{ background:radial-gradient(circle at top right, rgba(106,169,214,0.16), transparent 70%); }
.qcard.blue-q .q-toggle{ color:var(--blue); }
@media(max-width:880px){ .q-grid{ grid-template-columns:1fr; } .qcard{ min-height:auto; } }

/* ============================================================
   TERRAIN / inside the book
   ============================================================ */
#terrain{ background:linear-gradient(180deg,var(--bg-2),var(--bg)); }
.terrain-feature{
  display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:stretch;
  border:1px solid var(--line-soft); border-radius:8px; overflow:hidden; margin-bottom:80px;
}
.terrain-feature .pic{ position:relative; min-height:420px; background:#000; }
.terrain-feature .pic img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.terrain-feature .copy{ padding:60px 54px; display:flex; flex-direction:column; justify-content:center;
  background:rgba(255,255,255,0.012); }
.terrain-feature .copy .pq{
  font-family:var(--serif); font-weight:500; font-size:clamp(28px,3.2vw,44px);
  line-height:1.1; letter-spacing:-0.01em; margin-bottom:24px;
}
.terrain-feature .copy p{ color:var(--cream-dim); max-width:40ch; }
@media(max-width:880px){ .terrain-feature{ grid-template-columns:1fr; } .terrain-feature .pic{ min-height:300px; } }

.topic-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-soft);
  border:1px solid var(--line-soft); border-radius:8px; overflow:hidden; }
.topic{ background:var(--bg); padding:34px 30px; transition:background .4s var(--ease); }
.topic:hover{ background:var(--panel); }
.topic .t-no{ font-family:var(--mono); font-size:11px; letter-spacing:0.2em; color:var(--cream-mute); }
.topic .t-name{ font-family:var(--serif); font-weight:500; font-size:26px; margin:14px 0 8px; }
.topic .t-desc{ font-size:15px; color:var(--cream-dim); line-height:1.5; }
.topic .t-line{ width:26px; height:2px; background:var(--gold); margin-top:18px; opacity:.7; }
.topic:nth-child(even) .t-line{ background:var(--blue); }
@media(max-width:880px){ .topic-grid{ grid-template-columns:1fr; } }

/* ============================================================
   PRAISE
   ============================================================ */
#praise{ background:var(--bg); }
.praise-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.blurb{
  border:1px solid var(--line-soft); border-radius:8px; padding:48px 44px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  position:relative;
}
.blurb .mark{ font-family:var(--serif); font-size:90px; line-height:0.6; color:var(--gold);
  opacity:0.5; height:40px; display:block; }
.blurb:nth-child(even) .mark{ color:var(--blue); }
.blurb q{ quotes:none; }
.blurb .text{
  font-family:var(--serif); font-weight:500; font-size:clamp(22px,2.4vw,30px);
  line-height:1.28; letter-spacing:-0.005em; margin:10px 0 30px; color:var(--cream);
}
.blurb .who{ font-family:var(--mono); font-size:12px; letter-spacing:0.14em; text-transform:uppercase; color:var(--gold); margin-bottom:6px; }
.blurb:nth-child(even) .who{ color:var(--blue); }
.blurb .role{ font-size:15px; color:var(--cream-dim); line-height:1.45; }
.praise-note{ margin-top:30px; text-align:center; font-family:var(--mono); font-size:11px;
  letter-spacing:0.16em; text-transform:uppercase; color:var(--cream-mute); }
@media(max-width:880px){ .praise-grid{ grid-template-columns:1fr; } }

/* ============================================================
   AUTHOR
   ============================================================ */
#author{ background:linear-gradient(180deg,var(--bg),var(--bg-2)); }
.author-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:start; }
.author-photo{
  display:block; width:100%; aspect-ratio:4/5;
  border-radius:8px; overflow:hidden; border:1px solid var(--line);
}
.author h2{ font-size:clamp(34px,4.6vw,60px); margin-bottom:8px; }
.author .a-sub{ font-family:var(--mono); font-size:12px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--gold); margin-bottom:30px; }
.author p{ color:var(--cream-dim); margin-bottom:20px; font-size:18px; }
.author p b{ color:var(--cream); font-weight:500; }
.cred-row{ display:flex; gap:18px; flex-wrap:wrap; margin-top:34px; }
.cred{ border:1px solid var(--line-soft); border-radius:6px; padding:18px 22px; flex:1; min-width:150px;
  background:rgba(255,255,255,0.012); }
.cred .num{ font-family:var(--serif); font-size:38px; font-weight:600; color:var(--cream); line-height:1; }
.cred .lab{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--cream-mute); margin-top:10px; line-height:1.4; }

.archive{ margin-top:56px; border-top:1px solid var(--line-soft); padding-top:40px; }
.archive .eyebrow{ margin-bottom:18px; display:block; }
.archive .story{ font-family:var(--read); color:var(--cream-dim); font-size:17px; max-width:62ch; }
.archive .story b{ color:var(--cream); font-weight:500; }
.works{ display:flex; gap:14px; flex-wrap:wrap; margin-top:30px; }
.work{ font-family:var(--mono); font-size:11px; letter-spacing:0.1em; color:var(--cream-dim);
  border:1px solid var(--line-soft); border-radius:40px; padding:9px 16px; }
.work .star{ color:var(--gold); }
@media(max-width:880px){ .author-grid{ grid-template-columns:1fr; gap:40px; }
  .author-photo{ max-width:340px; } }

/* ============================================================
   BUY / CTA
   ============================================================ */
#buy{ background:var(--bg-2); overflow:hidden; }
.buy-inner{ position:relative; border-radius:12px; overflow:hidden;
  border:1px solid var(--line); padding:80px 60px;
  background:radial-gradient(120% 140% at 18% 10%, rgba(216,162,74,0.12), transparent 55%),
            radial-gradient(120% 140% at 90% 90%, rgba(106,169,214,0.12), transparent 55%),
            var(--panel); }
.buy-grid{ display:grid; grid-template-columns:0.7fr 1fr; gap:60px; align-items:center; position:relative; z-index:2; }
.buy-cover{ display:flex; justify-content:center; }
.buy-cover img{ width:min(280px,78%); border-radius:3px;
  box-shadow:0 30px 80px -24px rgba(0,0,0,0.9), 0 0 0 1px rgba(236,228,211,0.08); }
.buy h2{ font-size:clamp(36px,5vw,64px); margin-bottom:18px; line-height:1; }
.buy .lead{ margin-bottom:34px; max-width:42ch; }
.store-row{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:30px; }
.store{ flex:1; min-width:180px; border:1px solid var(--line); border-radius:4px;
  padding:18px 22px; display:flex; flex-direction:column; gap:3px;
  transition:border-color .3s, background .3s, transform .3s var(--ease); background:rgba(255,255,255,0.015); }
.store:hover{ border-color:var(--gold); background:rgba(216,162,74,0.06); transform:translateY(-3px); }
.store .s-from{ font-family:var(--mono); font-size:10px; letter-spacing:0.18em; text-transform:uppercase; color:var(--cream-mute); }
.store .s-name{ font-family:var(--serif); font-size:23px; font-weight:600; color:var(--cream); }
.buy-formats{ font-family:var(--mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--cream-mute); display:flex; gap:18px; flex-wrap:wrap; }
.buy-formats span{ display:flex; align-items:center; gap:8px; }
.buy-formats .tick{ width:5px; height:5px; border-radius:50%; background:var(--blue); }
@media(max-width:880px){ .buy-grid{ grid-template-columns:1fr; gap:40px; } .buy-cover{ order:-1; }
  .buy-inner{ padding:50px 28px; } }

/* ============================================================
   FOOTER
   ============================================================ */
footer{ padding:60px 0 50px; border-top:1px solid var(--line-soft); background:var(--bg); }
.foot-grid{ display:flex; align-items:flex-end; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.foot-title{ font-family:var(--serif); font-size:30px; font-weight:600; line-height:1; }
.foot-title .sub{ font-family:var(--serif); font-style:italic; font-weight:500; color:var(--cream-dim); font-size:22px; }
.foot-meta{ font-family:var(--mono); font-size:11px; letter-spacing:0.14em; color:var(--cream-mute);
  text-align:right; line-height:1.9; text-transform:uppercase; }
.foot-meta a:hover{ color:var(--gold); }

/* ============================================================
   ENHANCEMENTS — graphics & interaction
   ============================================================ */

/* ---- cursor glow (follows pointer, tints warm←→cool by x) ---- */
#cursor-glow{
  position:fixed; top:0; left:0; width:520px; height:520px; z-index:90;
  margin:-260px 0 0 -260px; border-radius:50%; pointer-events:none;
  mix-blend-mode:screen; opacity:0; transition:opacity .5s ease;
  background:radial-gradient(circle, rgba(216,162,74,0.14), rgba(106,169,214,0.10) 40%, transparent 68%);
  will-change:transform;
}
body.has-cursor #cursor-glow{ opacity:1; }
@media (hover:none){ #cursor-glow{ display:none; } }

/* ---- word entrance (hero) ---- */
.word{ display:inline-block; opacity:0; margin-right:0.26em; }
.word:last-child{ margin-right:0; }
.word.show{ animation: wordIn .7s var(--ease) forwards; }
@keyframes wordIn{
  from{ opacity:0; transform:translateY(0.5em) rotate(2deg); }
  to{ opacity:1; transform:none; }
}
@media (prefers-reduced-motion: reduce){ .word{ opacity:1!important; animation:none!important; } }

/* ---- right-side section dot nav ---- */
#dots{ position:fixed; right:26px; top:50%; transform:translateY(-50%); z-index:120;
  display:flex; flex-direction:column; gap:16px; }
#dots a{ position:relative; width:11px; height:11px; display:grid; place-items:center; }
#dots a .d{ width:7px; height:7px; border-radius:50%; background:var(--cream-mute);
  transition:transform .3s var(--ease), background .3s; }
#dots a:hover .d{ background:var(--cream); transform:scale(1.3); }
#dots a.active .d{ background:var(--gold); transform:scale(1.35); box-shadow:0 0 12px rgba(216,162,74,0.7); }
#dots a .tip{ position:absolute; right:22px; top:50%; transform:translateY(-50%) translateX(6px);
  white-space:nowrap; font-family:var(--mono); font-size:10px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--cream-dim); opacity:0; pointer-events:none; transition:opacity .3s, transform .3s; }
#dots a:hover .tip{ opacity:1; transform:translateY(-50%) translateX(0); }
@media(max-width:980px){ #dots{ display:none; } }

/* ---- interactive MIND / MACHINE reveal slider ---- */
.reveal{ position:relative; min-height:460px; overflow:hidden; cursor:ew-resize;
  --x:50; background:#000; touch-action:none; user-select:none; }
.reveal img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  object-position:center; -webkit-user-drag:none; user-select:none; }
.reveal .tint{ position:absolute; top:0; bottom:0; pointer-events:none; transition:opacity .4s; }
.reveal .tint.warm{ left:0; width:calc(var(--x) * 1%);
  background:linear-gradient(90deg, rgba(216,162,74,0.42), rgba(216,162,74,0.12));
  mix-blend-mode:soft-light; border-right:1px solid rgba(216,162,74,0.5); }
.reveal .tint.cool{ left:calc(var(--x) * 1%); right:0;
  background:linear-gradient(90deg, rgba(40,90,150,0.18), rgba(106,169,214,0.40));
  mix-blend-mode:soft-light; }
.reveal .rlabel{ position:absolute; bottom:22px; z-index:3; font-family:var(--mono);
  font-size:11px; letter-spacing:0.26em; text-transform:uppercase; pointer-events:none;
  display:flex; align-items:center; gap:9px; text-shadow:0 2px 12px rgba(0,0,0,0.8); }
.reveal .rlabel .pip{ width:6px; height:6px; border-radius:50%; }
.reveal .rlabel.warm{ left:24px; color:var(--gold-soft); }
.reveal .rlabel.warm .pip{ background:var(--gold); box-shadow:0 0 10px var(--gold); }
.reveal .rlabel.cool{ right:24px; color:var(--blue-soft); }
.reveal .rlabel.cool .pip{ background:var(--blue); box-shadow:0 0 10px var(--blue); }
.reveal .handle{ position:absolute; top:0; bottom:0; left:calc(var(--x) * 1%); width:2px; z-index:4;
  background:linear-gradient(180deg, transparent, rgba(236,228,211,0.85) 20%, rgba(236,228,211,0.85) 80%, transparent);
  transform:translateX(-1px); box-shadow:0 0 18px rgba(236,228,211,0.5); }
.reveal .grip{ position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:46px; height:46px; border-radius:50%; background:rgba(12,12,14,0.6);
  border:1px solid rgba(236,228,211,0.6); backdrop-filter:blur(6px);
  display:grid; place-items:center; transition:transform .25s var(--ease), border-color .25s; }
.reveal:hover .grip{ transform:translate(-50%,-50%) scale(1.08); border-color:var(--cream); }
.reveal .grip::before{ content:"⇄"; font-size:18px; color:var(--cream); }
.reveal .rhint{ position:absolute; top:20px; left:50%; transform:translateX(-50%); z-index:3;
  font-family:var(--mono); font-size:10px; letter-spacing:0.24em; text-transform:uppercase;
  color:rgba(236,228,211,0.7); pointer-events:none; transition:opacity .4s;
  text-shadow:0 2px 10px rgba(0,0,0,0.9); }
.reveal.touched .rhint{ opacity:0; }

/* ---- count-up cred numbers ---- */
.cred .num{ font-variant-numeric:tabular-nums; }

/* ---- topic grid cursor spotlight ---- */
.topic-grid{ position:relative; }
.topic-grid::after{ content:""; position:absolute; inset:0; pointer-events:none; z-index:1;
  opacity:0; transition:opacity .4s;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), rgba(216,162,74,0.12), transparent 70%); }
.topic-grid.lit::after{ opacity:1; }
.topic{ position:relative; z-index:2; }

/* ---- magnetic buttons ---- */
.btn{ will-change:transform; }

/* ============================================================
   RESPONSIVE — tablet & mobile
   ============================================================ */
@media(max-width:1024px){
  .wrap{ padding:0 30px; }
  .section-pad{ padding:100px 0; }
  #nav{ padding:18px 30px; }
  #nav.scrolled{ padding:12px 30px; }
}

@media(max-width:860px){
  .wrap{ padding:0 24px; }
  .section-pad{ padding:84px 0; }
  #nav{ padding:16px 24px; }
  #nav.scrolled{ padding:12px 24px; }
  #hero{ padding:104px 0 70px; min-height:auto; }
  .hero-meta{ gap:18px 22px; margin-top:28px; }
  .section-head{ margin-bottom:48px; }
  .reveal{ min-height:62vw; max-height:520px; }
  .terrain-feature{ margin-bottom:60px; }
  .spell{ padding:40px 28px; }
  .blurb{ padding:38px 30px; }
  .buy-inner{ padding:54px 30px; }
  /* keep CTAs a comfortable tap target */
  .nav-links .btn-gold{ padding:13px 18px; }
}

@media(max-width:600px){
  body{ font-size:18px; }
  .wrap{ padding:0 18px; }
  .section-pad{ padding:66px 0; }
  #nav{ padding:14px 18px; }
  #nav.scrolled{ padding:11px 18px; }
  .brand .sub{ display:none; }

  #hero{ padding:96px 0 60px; }
  #hero h1{ font-size:clamp(40px,13.5vw,68px); }
  #hero .subtitle{ font-size:clamp(23px,7vw,34px); }
  .hero-eyebrow{ margin-bottom:20px; }
  .hero-cta{ width:100%; }
  .hero-cta .btn{ flex:1; justify-content:center; }
  .scroll-cue{ display:none; }

  .section-head h2{ }
  .lead{ font-size:18px; }

  /* dual panels: comfy padding */
  .spell{ padding:34px 22px; }
  .spell h3{ font-size:clamp(26px,8vw,34px); }
  .spells-conclusion .big{ font-size:clamp(23px,7vw,30px); }

  .qcard{ padding:32px 26px; min-height:auto; }
  .qcard .q-text{ font-size:clamp(25px,7.5vw,30px); }

  .reveal{ min-height:78vw; }
  .reveal .rlabel{ font-size:10px; letter-spacing:0.18em; bottom:16px; }
  .reveal .rlabel.warm{ left:16px; }
  .reveal .rlabel.cool{ right:16px; }
  .terrain-feature .copy{ padding:38px 26px; }
  .topic{ padding:30px 24px; }

  .blurb{ padding:32px 24px; }
  .blurb .text{ font-size:clamp(21px,6vw,26px); }

  .author-photo{ max-width:300px; }
  .cred-row{ gap:12px; }
  .cred{ padding:16px 18px; min-width:120px; }
  .cred .num{ font-size:32px; }

  .buy-inner{ padding:42px 22px; }
  .store{ min-width:100%; }
  .store-row{ gap:12px; }
  .buy-formats{ gap:14px; }

  .foot-grid{ flex-direction:column; align-items:flex-start; gap:24px; }
  .foot-meta{ text-align:left; }
}

@media(max-width:380px){
  #hero h1{ font-size:clamp(34px,12.5vw,52px); }
  .cred{ min-width:100%; }
}