/* Field Guide Editions — home. Rebuilt 2026-07-26. */

:root{
  --bg:#05070a;
  --bg-2:#080c12;
  --card:#0b0f14;
  --card-2:#0e141b;
  --line:#1a2330;
  --line-2:#233042;
  --red:#e63946;
  --red-dim:#b02b36;
  --ink:#eef1f5;
  --ink-2:#c3ccd6;
  --muted:#7d8896;
  --dim:#5a6572;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --ease:cubic-bezier(.4,0,.2,1);
  --shell:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 600px at 72% -8%, #0d1219 0%, transparent 62%),
    radial-gradient(700px 500px at 8% 42%, var(--bg-2) 0%, transparent 60%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
/* grid/flex children must be allowed to shrink below their content width */
.stat,.step,.pane,.fitbox,.shot,.pack li,.pack li>div,.hero-in>*,.buybar-in>div{min-width:0}
h1,h2,h3,p,li,summary,b,em{overflow-wrap:break-word}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* ---------- type ---------- */
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.04em;line-height:1.02}
h1{font-size:clamp(2.05rem,8.4vw,4.55rem)}
h2{font-size:clamp(1.6rem,5.4vw,3rem)}
h3{font-size:1.06rem;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
.accent{color:var(--red)}
.lede{font-size:clamp(1.02rem,1.6vw,1.16rem);color:var(--ink-2);max-width:53ch}
.sub{font-size:1.02rem;color:var(--muted);max-width:60ch;margin-top:18px}
.sec>.shell>h2:first-child{margin-top:0}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,10,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.nav.stuck{border-bottom-color:var(--line);background:rgba(5,7,10,.9)}
.nav-in{display:flex;align-items:center;gap:28px;height:66px}
.brand{
  display:flex;align-items:center;gap:9px;
  font-weight:700;font-size:.9rem;letter-spacing:-.02em;white-space:nowrap;
}
.brand i{width:7px;height:7px;background:var(--red);border-radius:1px;flex:none}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{
  font-size:.845rem;color:var(--muted);
  transition:color .2s var(--ease);
}
.nav-links a:hover{color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--red);color:#fff;
  font-weight:650;font-size:.94rem;letter-spacing:-.01em;
  padding:14px 24px;border-radius:9px;border:0;cursor:pointer;
  box-shadow:0 0 0 0 rgba(230,57,70,0);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.btn:hover{
  background:#f04250;transform:translateY(-2px);
  box-shadow:0 10px 34px -10px rgba(230,57,70,.55);
}
.btn:active{transform:translateY(0)}
.btn .arw{transition:transform .3s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-sm{padding:9px 16px;font-size:.845rem;border-radius:7px}
.btn-lg{padding:17px 30px;font-size:1rem}
.btn-block{width:100%}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;color:var(--muted);
  border-bottom:1px solid var(--line-2);padding-bottom:2px;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.btn-ghost:hover{color:var(--ink);border-color:var(--red)}

/* ---------- sections ---------- */
.sec{padding:clamp(54px,5.4vw,76px) 0;position:relative}
.sec+.sec{border-top:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{padding:clamp(46px,6vw,74px) 0 clamp(46px,5vw,64px);position:relative}
.hero-in{
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:clamp(36px,5vw,72px);align-items:center;
}
h1 .ln{display:block}
h1 em{font-style:normal;color:var(--muted)}
.hero .lede{margin-top:26px}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:36px}
.trust{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  list-style:none;padding:0;margin:30px 0 0;
  font-size:.815rem;color:var(--dim);
}
.trust li{display:flex;align-items:center;gap:7px}
.trust li::before{content:'';width:3px;height:3px;border-radius:50%;background:var(--red)}

/* cover, presented as a physical book */
.cover{
  position:relative;justify-self:end;width:100%;max-width:396px;
  perspective:1500px;
}
.cover::after{                       /* ambient light behind the object */
  content:'';position:absolute;inset:-10% -14% -18%;z-index:0;
  background:radial-gradient(closest-side,rgba(230,57,70,.15),transparent 70%);
  filter:blur(30px);pointer-events:none;
}
.book{
  position:relative;z-index:1;
  transform:rotateY(-4deg) rotateX(.6deg);
  transform-origin:left center;
  transition:transform .7s var(--ease);
}
.cover:hover .book{transform:rotateY(-1.5deg) translateY(-6px)}
.book img{
  width:100%;display:block;
  border-radius:2px 11px 11px 2px;   /* spine edge square, fore-edge rounded */
  box-shadow:
    0 2px 0 0 rgba(255,255,255,.05) inset,
    0 40px 60px -26px rgba(0,0,0,.95),
    0 16px 30px -14px rgba(0,0,0,.8),
    0 90px 70px -60px rgba(0,0,0,.9);
}
.book::before{                       /* spine: fold shadow + light catch */
  content:'';position:absolute;z-index:2;left:0;top:0;bottom:0;width:19px;
  border-radius:2px 0 0 2px;pointer-events:none;
  background:linear-gradient(90deg,
    rgba(0,0,0,.62) 0%, rgba(0,0,0,.30) 34%,
    rgba(255,255,255,.07) 56%, rgba(0,0,0,.22) 78%, rgba(0,0,0,0) 100%);
}
.book::after{                        /* page block on the fore-edge */
  content:'';position:absolute;z-index:0;
  right:-6px;top:7px;bottom:9px;width:7px;border-radius:0 3px 3px 0;
  background:linear-gradient(90deg,#39424f 0%,#222b36 42%,#10161d 100%);
  box-shadow:0 12px 22px -10px rgba(0,0,0,.9);
}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  margin-top:clamp(38px,4.4vw,56px);overflow:hidden;
}
.stat{padding:26px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;
  letter-spacing:-.045em;line-height:1;font-variant-numeric:tabular-nums;
}
.stat span{
  display:block;margin-top:9px;
  font-size:.83rem;color:var(--muted);
}

/* ---------- before / after ---------- */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.pane{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:30px 28px;
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.pane:hover{transform:translateY(-3px)}
.pane.now{border-top:2px solid var(--line-2)}
.pane.now:hover{border-color:var(--line-2)}
.pane.next{border-top:2px solid var(--red)}
.pane.next:hover{border-color:var(--red-dim)}
.pane .mk{
  font-size:.8rem;color:var(--muted);margin-bottom:12px;
}
.pane.next .mk{color:var(--red)}
.pane h3{font-size:1.3rem;margin-bottom:12px}
.pane>p{color:var(--muted);font-size:.95rem}
.pane ul{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:11px}
.pane li{
  position:relative;padding-left:20px;
  font-size:.92rem;color:var(--ink-2);line-height:1.5;
}
.pane li::before{
  content:'';position:absolute;left:0;top:.62em;
  width:7px;height:1px;background:var(--dim);
}
.pane.next li::before{background:var(--red)}

/* ---------- steps ---------- */
.steps{
  list-style:none;margin:44px 0 0;padding:0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.step{
  background:var(--card);padding:30px 26px;
  transition:background .3s var(--ease);
}
.step:hover{background:var(--card-2)}
.step .n{
  font-family:var(--mono);font-size:.78rem;font-weight:600;letter-spacing:0;
  color:var(--red);display:block;margin-bottom:14px;
}
.step h3{margin-bottom:9px}
.step p{font-size:.9rem;color:var(--muted);line-height:1.55}

/* ---------- deliverables ---------- */
.pack{
  margin:44px 0 0;padding:0;list-style:none;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card);
}
.pack li{
  display:grid;grid-template-columns:auto 1fr auto;align-items:baseline;
  gap:16px;padding:19px 26px;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.pack li:last-child{border-bottom:0}
.pack li:hover{background:var(--card-2)}
.pack .ix{
  font-family:var(--mono);font-size:.7rem;font-weight:600;
  color:var(--red);letter-spacing:.06em;
}
.pack b{display:block;font-weight:650;font-size:.99rem;letter-spacing:-.015em}
.pack em{
  display:block;font-style:normal;margin-top:4px;
  font-size:.875rem;color:var(--muted);line-height:1.5;
}
.pack .fmt{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.02em;
  color:var(--dim);white-space:nowrap;
}

/* ---------- proof ---------- */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.shot{margin:0}
.shot img{
  width:100%;border:1px solid var(--line);border-radius:10px;
  filter:brightness(.9) saturate(.9);
  transition:transform .4s var(--ease),filter .4s var(--ease),border-color .4s var(--ease);
}
.shot:hover img{transform:translateY(-4px);filter:none;border-color:var(--line-2)}
.shot figcaption{
  margin-top:12px;font-size:.845rem;color:var(--muted);
}
.shot figcaption b{color:var(--red);margin-right:8px}

/* ---------- offer ---------- */
.offer{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:44px;align-items:start;
}
.fitbox{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 26px;
}
.fitbox+.fitbox{margin-top:20px}
.fitbox h3{margin-bottom:16px;font-size:1.02rem}
.fitbox ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.fitbox li{
  position:relative;padding-left:24px;font-size:.92rem;
  color:var(--ink-2);line-height:1.5;
}
.fitbox li::before{
  position:absolute;left:0;top:0;font-size:.85rem;font-weight:700;
}
.fitbox.yes li::before{content:'✓';color:var(--red)}
.fitbox.no li::before{content:'×';color:var(--dim)}
.fitbox.no li{color:var(--muted)}

.price-card{
  background:var(--card);border:1px solid var(--line-2);border-radius:16px;
  padding:34px 30px;position:sticky;top:88px;
  box-shadow:0 30px 70px -34px #000;
}
.price-card .mk{
  font-size:.83rem;color:var(--muted);
}
.price{
  display:flex;align-items:flex-start;gap:1px;
  margin:12px 0 4px;font-weight:800;letter-spacing:-.05em;line-height:1;
  font-size:clamp(3rem,6vw,4.1rem);font-variant-numeric:tabular-nums;
}
.price span{font-size:.42em;margin-top:.44em;color:var(--muted)}
.price sup{font-size:.36em;top:-.02em;position:relative}
.price-note{font-size:.87rem;color:var(--muted);margin-bottom:26px}
.bump{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card-2);border:1px solid var(--line);
  border-left:2px solid var(--red);border-radius:9px;
  padding:14px 16px;margin-bottom:22px;
}
.bump b{display:block;font-size:.885rem;font-weight:650}
.bump em{
  display:block;font-style:normal;margin-top:3px;
  font-size:.82rem;color:var(--muted);line-height:1.45;
}
.bump .amt{
  font-family:var(--mono);font-size:.8rem;font-weight:600;
  color:var(--red);white-space:nowrap;margin-left:auto;
}
.fine{font-size:.79rem;color:var(--dim);line-height:1.55;margin-top:16px}
.guar{
  display:flex;gap:14px;align-items:flex-start;
  border-top:1px solid var(--line);margin-top:24px;padding-top:22px;
}
.seal{
  flex:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--red);color:var(--red);
  display:grid;place-items:center;
  font-family:var(--mono);font-size:.86rem;font-weight:600;
}
.guar b{display:block;font-size:.9rem;font-weight:650}
.guar p{font-size:.82rem;color:var(--muted);margin-top:5px;line-height:1.5}

/* ---------- faq ---------- */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-weight:650;font-size:1rem;letter-spacing:-.015em;
  transition:color .25s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--red)}
.faq summary::after{
  content:'';position:absolute;right:6px;top:50%;
  width:9px;height:9px;margin-top:-6px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);
  transform:rotate(45deg);transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--red)}
.faq details p{
  padding:0 44px 22px 0;color:var(--muted);font-size:.93rem;line-height:1.65;
}

/* ---------- close ---------- */
.close{text-align:center}
.close h2{margin-bottom:20px}
.close .sub{margin:0 auto 34px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:44px 0 96px;background:var(--bg-2)}
.foot-in{display:grid;gap:18px}
.foot-note{font-size:.82rem;color:var(--dim);max-width:56ch;line-height:1.55}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 22px}
.foot-links a{
  font-size:.8rem;color:var(--muted);
  transition:color .2s var(--ease);
}
.foot-links a:hover{color:var(--ink)}
.copy{font-size:.78rem;color:var(--dim)}

/* ---------- sticky buy bar ---------- */
.buybar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(8,12,18,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  transform:translateY(102%);
  transition:transform .4s var(--ease);
}
.buybar.on{transform:translateY(0)}
.buybar-in{display:flex;align-items:center;gap:18px;padding:12px 24px}
.buybar b{display:block;font-size:.9rem;font-weight:650;letter-spacing:-.015em}
.buybar span{
  display:block;font-size:.79rem;color:var(--muted);margin-top:2px;
}
.buybar .btn{margin-left:auto;flex:none}

/* ---------- scroll progress ---------- */
.prog{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:80;
  background:var(--red);transition:width .1s linear;
}

.skip{
  position:absolute;left:-9999px;top:0;background:var(--red);color:#fff;
  padding:10px 16px;z-index:200;border-radius:0 0 8px 0;
}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}

/* ---------- motion ---------- */
/* content is visible by default; only hidden once JS confirms it is running */
.js .rv{opacity:0;transform:translateY(16px)}
.js .rv.in{
  opacity:1;transform:none;
  transition:opacity .62s var(--ease),transform .62s var(--ease);
  transition-delay:calc(var(--i,0)*70ms);
}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .cover{max-width:268px;order:-1;justify-self:start}
  .book{transform:rotateY(-3deg)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .offer{grid-template-columns:1fr}
  .price-card{position:static}
  .nav-links{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:680px){
  .ba{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr}
  .shell{padding:0 18px}
  .pack li{grid-template-columns:auto 1fr;gap:12px}
  .pack .fmt{grid-column:2;margin-top:6px}
  .buybar-in{padding:10px 18px;gap:12px}
  .buybar span{display:none}
  h2 br{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:20px 16px}
  .stat span{font-size:.78rem}
  .trust{gap:6px 16px;font-size:.77rem}
  .cta-row{gap:16px}
  .price-card{padding:28px 22px}
  .pane,.fitbox{padding:24px 20px}
  .pack li{padding:17px 20px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
  .js .rv{opacity:1;transform:none}
}