/* =========================================================
   Companion Pack — download page (Helen B. Andrews)
   Vanilla port of the curtain-reveal card. Dark premium,
   matches the book cover; clip-path curtain, no framework.
   ========================================================= */
:root{
  --bg:#08080b;
  --bg-2:#0d0d12;
  --panel:#101017;
  --ink:#f4f2ef;
  --ink-soft:#b9b6c4;
  --ink-mute:#7a7787;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --uv:#8a5cff;
  --uv-bright:#b69cff;
  --uv-glow:rgba(138,92,255,.45);
  --pink:#ff2d6b;

  --serif:'Fraunces', Georgia, serif;
  --sans:'Space Grotesk', system-ui, sans-serif;
  --mono:'Space Mono', ui-monospace, monospace;

  --maxw:1080px;
  --ease:cubic-bezier(.22,1,.36,1);
  /* curtain clip states */
  --curtain-closed:polygon(50% 0, 50% 0, 50% 100%, 50% 100%);
  --curtain-open:polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(138,92,255,.16), transparent 60%),
    radial-gradient(900px 500px at 10% 108%, rgba(255,45,107,.08), transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.2rem,4vw,2.4rem)}

/* ---- header ---- */
.top{display:flex;align-items:baseline;gap:.9rem;flex-wrap:wrap;padding-top:2rem}
.brand{font-family:var(--sans);font-weight:700;font-size:1.15rem;letter-spacing:-.01em}
.brand-sub{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}

/* ---- hero ---- */
main{padding-top:clamp(2.4rem,7vw,4.6rem);padding-bottom:4rem}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--uv-bright);margin-bottom:1.1rem;
}
h1{
  font-family:var(--serif);font-weight:400;line-height:1.02;letter-spacing:-.015em;
  font-size:clamp(2.4rem,6vw,4rem);
}
h1 .accent{font-style:italic;color:var(--uv-bright)}
.lede{
  max-width:44ch;margin-top:1.3rem;color:var(--ink-soft);
  font-size:clamp(1rem,1.4vw,1.12rem);
}

/* ---- cards ---- */
.cards{
  display:grid;gap:clamp(1.2rem,3vw,2rem);
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:clamp(2.4rem,5vw,3.4rem);
}
.card{
  position:relative;height:clamp(440px,64vh,540px);
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:var(--panel);cursor:pointer;isolation:isolate;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
  transition:border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover,.card:focus-visible,.card.open{
  border-color:rgba(138,92,255,.5);transform:translateY(-4px);
  box-shadow:0 40px 80px -30px rgba(138,92,255,.35);outline:none;
}

/* base cover */
.cover{
  position:absolute;inset:0;background-size:cover;background-position:center 22%;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:1.5rem 1.6rem;
}
.cover::after{ /* bottom scrim so the title reads */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top, rgba(8,8,11,.95) 15%, rgba(8,8,11,.18) 50%, transparent 72%);
}
.cover-tag{
  position:relative;z-index:2;align-self:flex-start;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink);padding:.4rem .7rem;border:1px solid var(--line);border-radius:999px;
  background:rgba(16,16,23,.55);backdrop-filter:blur(6px);
}
.cover-title{position:relative;z-index:2;display:flex;flex-direction:column;gap:.5rem;
  transition:transform .4s var(--ease);}
.card:hover .cover-title,.card:focus-visible .cover-title,.card.open .cover-title{transform:translateY(-6px)}
.ct-kicker{font-family:var(--serif);font-weight:400;font-size:1.7rem;line-height:1.06;letter-spacing:-.01em}
.ct-hint{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--uv-bright)}

/* the curtain */
.reveal{
  position:absolute;inset:0;z-index:3;
  padding:1.7rem 1.6rem 1.6rem;
  display:flex;flex-direction:column;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(138,92,255,.22), transparent 55%),
    linear-gradient(180deg,#14121d 0%, #0b0a11 100%);
  border-left:1px solid rgba(182,156,255,.25);
  border-right:1px solid rgba(182,156,255,.25);
  clip-path:var(--curtain-closed);
  transition:clip-path .5s var(--ease);
}
.card:hover .reveal,.card:focus-within .reveal,.card.open .reveal{clip-path:var(--curtain-open)}

.reveal-k{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--uv-bright);margin-bottom:1.1rem;
}
.reveal-list{list-style:none;display:flex;flex-direction:column;gap:.85rem;margin-bottom:auto}
.reveal-list li{display:flex;flex-direction:column;padding-bottom:.85rem;border-bottom:1px solid var(--line-2)}
.reveal-list li:last-child{border-bottom:none}
.reveal-list b{font-weight:600;font-size:1.02rem}
.reveal-list span{color:var(--ink-mute);font-size:.86rem}

.dl{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  margin-top:1.2rem;padding:.95rem 1.2rem;border-radius:12px;
  font-family:var(--sans);font-weight:600;font-size:1rem;letter-spacing:.01em;
  color:#12101a;background:linear-gradient(180deg,var(--uv-bright),var(--uv));
  box-shadow:0 12px 30px -10px var(--uv-glow);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), filter .25s var(--ease);
}
.dl:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 40px -12px var(--uv-glow)}
.dl .arr{font-size:1.05rem;transition:transform .25s var(--ease)}
.dl:hover .arr{transform:translateY(3px)}
.reveal-meta{margin-top:.85rem;text-align:center;font-family:var(--mono);font-size:.66rem;
  letter-spacing:.08em;color:var(--ink-mute)}

/* ---- recommended tools (Amazon Associates) ---- */
.tools{margin-top:clamp(3rem,7vw,4.6rem);padding-top:clamp(2.2rem,5vw,3rem);border-top:1px solid var(--line-2)}
.tools h2{
  font-family:var(--serif);font-weight:400;line-height:1.05;letter-spacing:-.01em;
  font-size:clamp(1.8rem,4vw,2.6rem);
}
.tools-lede{margin-top:.9rem;font-size:1rem}
.tool-grid{
  display:grid;gap:clamp(.9rem,2.4vw,1.4rem);
  grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:clamp(1.6rem,4vw,2.4rem);
}
.tool{
  display:flex;flex-direction:column;
  padding:1.4rem 1.4rem 1.5rem;border:1px solid var(--line);border-radius:16px;
  background:linear-gradient(180deg,rgba(20,18,29,.9),rgba(11,10,17,.9));
  transition:border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.tool:hover{
  border-color:rgba(138,92,255,.45);transform:translateY(-3px);
  box-shadow:0 26px 50px -24px rgba(138,92,255,.3);
}
.tool-k{
  font-family:var(--mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--uv-bright);margin-bottom:.7rem;
}
.tool h3{font-family:var(--sans);font-weight:600;font-size:1.08rem;letter-spacing:-.01em}
.tool-d{margin-top:.55rem;margin-bottom:1.2rem;color:var(--ink-mute);font-size:.86rem;line-height:1.6}
.tool-cta{
  margin-top:auto;display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;
  font-family:var(--sans);font-weight:600;font-size:.9rem;color:var(--uv-bright);
  padding:.55rem .9rem;border:1px solid rgba(138,92,255,.35);border-radius:10px;
  transition:background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.tool-cta:hover{background:rgba(138,92,255,.14);border-color:rgba(138,92,255,.6);color:var(--ink)}
.tool-cta span{transition:transform .25s var(--ease)}
.tool-cta:hover span{transform:translateX(3px)}
.tool-disclosure{
  margin-top:1.6rem;max-width:70ch;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;line-height:1.7;color:var(--ink-mute);
}

/* ---- main-site CTA (under the tools) ---- */
.shop{margin-top:clamp(2.6rem,6vw,4rem);padding-top:clamp(2.2rem,5vw,3rem);border-top:1px solid var(--line-2)}
.shop h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.05;letter-spacing:-.01em}
.shop-lede{margin-top:.9rem;font-size:1rem}
.shop-btn{
  display:inline-flex;align-items:center;gap:.55rem;margin-top:1.8rem;
  padding:.95rem 1.65rem;border-radius:12px;text-decoration:none;
  font-family:var(--sans);font-weight:600;font-size:1rem;letter-spacing:.01em;
  color:#12101a;background:linear-gradient(180deg,var(--uv-bright),var(--uv));
  box-shadow:0 12px 30px -10px var(--uv-glow);
  transition:transform .25s var(--ease),filter .25s,box-shadow .25s;
}
.shop-btn:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 40px -12px var(--uv-glow)}
.shop-btn span{transition:transform .25s var(--ease)}
.shop-btn:hover span{transform:translateX(4px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem 1rem;align-items:center}
.btn-row .shop-btn{margin-top:1.8rem}
.shop-btn.alt{
  color:var(--uv-bright);background:transparent;box-shadow:none;
  border:1px solid rgba(138,92,255,.45);
}
.shop-btn.alt:hover{background:rgba(138,92,255,.12);filter:none}
.fine{margin-top:1.2rem;max-width:60ch;color:var(--ink-mute);font-size:.9rem;line-height:1.7}

/* ---- note + footer ---- */
.note{max-width:60ch;margin-top:2.6rem;color:var(--ink-mute);font-size:.9rem;line-height:1.7}
.bottom{display:flex;justify-content:space-between;gap:1rem;padding:2rem 0 2.4rem;
  border-top:1px solid var(--line-2);margin-top:2.4rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--ink-mute)}
.bottom .wrap{padding:0}

/* ---- responsive ---- */
@media (max-width:720px){
  .cards{grid-template-columns:1fr}
  .card{height:clamp(420px,80vh,520px)}
  .tool-grid{grid-template-columns:1fr}
}
/* touch / no-hover: the JS toggles .open; keep hint honest */
@media (hover:none){
  .ct-hint::after{content:" — tap"}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important}
}