/* ============================================================
   knote.ink — theme
   Light: dark ink on light-tea paper, on a linen desk.
   Dark:  a night notebook — warm chalk ink on charcoal paper,
          on a near-black desk. The tea tone that is the *paper*
          by day becomes the *ink* by night.
   ============================================================ */

:root{
  --desk:#D8C9A6;        /* warm linen desk (around the notebook) */
  --desk-2:#CBBB93;
  --paper:#ECE2C8;       /* light tea paper (the page itself)    */
  --paper-2:#E4D8B8;
  --paper-edge:#DFD2AE;  /* stacked pages behind the top one     */
  --ink:#26303A;         /* iron-gall blue-black — primary text  */
  --ink-soft:#5A6470;
  --rule:#A8BCC6;        /* faint ruled line                     */
  --margin:#CE8F86;      /* red margin line                      */
  --pen:#2A4C82;         /* fountain-pen blue — links & CTA      */
  --pen-deep:#22406F;
  --brand:#F5A623;       /* logo amber — brand spot color        */
  --ring:#b9b4a6;        /* metal spiral binding                 */
  --ring-hi:#f2eee2;
  --ring-lo:#7c766a;
  --hole:#cabf9f;
  --shadow: 24px 30px 60px rgba(40,30,12,.28);
  --page-w: 900px;
}

/* the night-notebook palette, shared by system-dark and the toggle */
:root:not([data-theme="light"]){
  @media (prefers-color-scheme: dark){
    --desk:#14110B;        /* near-black warm desk                 */
    --desk-2:#1C1810;
    --paper:#242A34;       /* charcoal page (blue-tinted)          */
    --paper-2:#1B212B;
    --paper-edge:#1F2530;  /* pages stacked behind                 */
    --ink:#EAE1CC;         /* warm chalk ink                       */
    --ink-soft:#9AA1AC;
    --rule:#38414E;        /* faint cool rule                      */
    --margin:#B4726C;      /* muted rose margin                    */
    --pen:#7CA8E6;         /* cornflower ink — bright enough here  */
    --pen-deep:#3C5A90;
    --brand:#F6B23E;       /* amber lifted a touch for dark ground */
    --ring:#9a9486; --ring-hi:#cfc9bb; --ring-lo:#514c42;
    --hole:#14171D;        /* hole darker than the dark paper      */
    --shadow: 24px 34px 70px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --desk:#14110B;
  --desk-2:#1C1810;
  --paper:#242A34;
  --paper-2:#1B212B;
  --paper-edge:#1F2530;
  --ink:#EAE1CC;
  --ink-soft:#9AA1AC;
  --rule:#38414E;
  --margin:#B4726C;
  --pen:#7CA8E6;
  --pen-deep:#3C5A90;
  --brand:#F6B23E;
  --ring:#9a9486; --ring-hi:#cfc9bb; --ring-lo:#514c42;
  --hole:#14171D;
  --shadow: 24px 34px 70px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  font-family:"Lora",Georgia,serif;
  color:var(--ink);
  background:
    radial-gradient(120% 90% at 50% 0%, var(--desk-2), var(--desk) 60%),
    var(--desk);
  background-attachment:fixed;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
/* faint desk grain */
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

a{color:inherit}
.wrap{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;min-height:100vh}

/* ---------- masthead ---------- */
header.mast{
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:1.4rem clamp(1rem,4vw,3rem) .6rem;
}
.brand-lockup{
  display:inline-flex;align-items:center;gap:.55rem;
  text-decoration:none;
}
.brand-mark{
  width:clamp(30px,5vw,40px);height:auto;display:block;flex:0 0 auto;
  filter:drop-shadow(0 2px 5px rgba(40,30,12,.3));   /* hugs the rounded badge */
}
.brand-lockup:focus-visible{outline:3px solid var(--pen);outline-offset:3px;border-radius:6px}
.brand{
  font-family:"Caveat",cursive;
  font-weight:700;
  font-size:clamp(1.8rem,4.4vw,2.6rem);
  line-height:1;
  color:var(--ink);
  letter-spacing:.3px;
  text-shadow:0 1px 0 rgba(38,48,58,.12);
}
.brand .dot{color:var(--brand)}
nav.mast-nav{display:flex;align-items:baseline;gap:clamp(.9rem,2.4vw,1.7rem);
  font-family:"Spline Sans Mono",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
nav.mast-nav a{color:var(--ink-soft);text-decoration:none;padding-bottom:2px;border-bottom:1.5px solid transparent;white-space:nowrap;transition:color .2s,border-color .2s}
nav.mast-nav a:hover,nav.mast-nav a:focus-visible{color:var(--pen);border-color:var(--pen)}
nav.mast-nav a.ink-link{color:var(--pen);border-color:color-mix(in srgb,var(--pen) 35%,transparent)}
.theme-btn{
  align-self:center;appearance:none;cursor:pointer;
  width:34px;height:34px;border-radius:50%;
  border:1.5px solid color-mix(in srgb,var(--ink) 30%,transparent);
  background:transparent;color:var(--ink-soft);
  display:grid;place-items:center;font-size:1rem;line-height:1;
  transition:color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.theme-btn:hover{color:var(--pen);border-color:var(--pen)}
.theme-btn:active{transform:scale(.92)}
.theme-btn:focus-visible{outline:none;color:var(--pen);border-color:var(--pen);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--pen) 30%,transparent)}

/* ---------- stage ---------- */
.stage{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:clamp(.5rem,3vw,2rem) clamp(.8rem,4vw,2.5rem) clamp(1.2rem,4vw,2.5rem);
  gap:1.1rem;
}

.book-row{display:flex;align-items:stretch;gap:clamp(.4rem,2vw,1.4rem);width:100%;max-width:calc(var(--page-w) + 160px);justify-content:center}

/* nav arrows */
.flip{
  flex:0 0 auto;align-self:center;
  width:clamp(44px,7vw,60px);height:clamp(44px,7vw,60px);
  border-radius:50%;
  border:2px solid color-mix(in srgb,var(--pen) 55%,transparent);
  background:color-mix(in srgb,var(--paper) 40%,transparent);
  color:var(--pen);
  font-size:1.4rem;line-height:1;cursor:pointer;
  display:grid;place-items:center;
  transition:transform .18s ease,background .2s,box-shadow .2s,opacity .2s;
  backdrop-filter:blur(2px);
}
.flip:hover:not(:disabled){transform:translateY(-2px);background:var(--pen);color:var(--paper);box-shadow:0 8px 18px rgba(34,64,111,.35)}
.flip:active:not(:disabled){transform:translateY(0)}
.flip:disabled{opacity:.28;cursor:default}
.flip:focus-visible{outline:3px solid var(--pen);outline-offset:3px}

/* ---------- the notebook ---------- */
.book{
  position:relative;
  width:100%;max-width:var(--page-w);
  filter:drop-shadow(var(--shadow));
}
/* stacked pages behind */
.book::before,.book::after{
  content:"";position:absolute;left:1.2%;right:1.2%;
  top:10px;bottom:-8px;border-radius:4px 4px 10px 10px;
  background:var(--paper-edge);z-index:0;
}
.book::after{left:2.4%;right:2.4%;top:14px;bottom:-15px;background:var(--paper-2);opacity:.7}

/* spiral binding: punched holes in the paper, a slim wire coil through them */
.binding{
  position:absolute;z-index:5;left:5%;right:5%;top:0;
  display:flex;justify-content:space-between;pointer-events:none;
}
.coil{position:relative;width:clamp(5px,.8vw,7px);height:0}
.coil::before{ /* the wire segment crossing the top edge */
  content:"";position:absolute;left:50%;top:-20px;width:100%;
  height:clamp(34px,4.6vw,46px);
  transform:translateX(-50%) rotate(20deg);border-radius:5px;
  background:linear-gradient(100deg,var(--ring-lo),var(--ring-hi) 42%,var(--ring) 60%,var(--ring-lo));
  box-shadow:0 1px 2px rgba(0,0,0,.4), inset 1px 0 1px rgba(255,255,255,.5);
}
.coil::after{ /* punched hole in the paper */
  content:"";position:absolute;left:50%;top:9px;transform:translateX(-50%);
  width:clamp(13px,1.9vw,18px);height:clamp(7px,1vw,9px);border-radius:50%;
  background:radial-gradient(ellipse at 50% 30%, rgba(0,0,0,.55), var(--hole) 80%);
  box-shadow:inset 0 2px 3px rgba(0,0,0,.45), 0 1px 0 rgba(255,255,255,.35);
}

.page-window{
  position:relative;z-index:2;overflow:hidden;
  border-radius:3px 3px 8px 8px;
  background:var(--paper);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);
}
/* paper fibers */
.page-window::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.55;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='0.28'/%3E%3C/svg%3E");
}

.track{display:flex;transition:transform .55s cubic-bezier(.65,.02,.25,1)}
.reduced .track{transition:none}

.page{
  flex:0 0 100%;
  min-height:clamp(440px,64vh,560px);
  padding:clamp(1.6rem,4.5vw,3rem) clamp(1.6rem,5vw,3.4rem) clamp(1.6rem,4vw,2.6rem) clamp(3.4rem,8vw,5.2rem);
  position:relative;
  /* faint ruled lines */
  background-image:
    repeating-linear-gradient(180deg, transparent 0 calc(2.3rem - 1px), var(--rule) calc(2.3rem - 1px) 2.3rem);
  background-position:0 clamp(1.6rem,4.5vw,3rem);
  display:flex;flex-direction:column;justify-content:center;
}
.page::before{ /* red margin line */
  content:"";position:absolute;top:0;bottom:0;left:clamp(2.4rem,6vw,3.6rem);
  width:1.5px;background:var(--margin);opacity:.55;
}

.eyebrow{
  font-family:"Spline Sans Mono",monospace;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-soft);margin:0 0 .5rem;text-wrap:balance;
}
.eyebrow b{color:var(--pen);font-weight:600}

.headline{
  font-family:"Caveat",cursive;font-weight:700;
  color:var(--ink);
  font-size:clamp(2.5rem,7.5vw,4.6rem);
  line-height:.98;margin:.1rem 0 .2rem;
  text-wrap:balance;
  text-shadow:0 1px 0 rgba(38,48,58,.16);
}
.cover .headline{font-size:clamp(3rem,10vw,6.2rem)}

.underline{display:block;width:min(340px,70%);height:14px;margin:.1rem 0 .9rem;color:var(--pen);opacity:.85}
.underline path{fill:none;stroke:currentColor;stroke-width:3.4;stroke-linecap:round}

.lede{
  font-family:"Lora",serif;font-size:clamp(1.02rem,2vw,1.24rem);line-height:1.62;
  max-width:34ch;margin:0;color:var(--ink);
}
.cover .lede{max-width:40ch}

.row{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem 1.3rem;margin-top:1.5rem}

.stamp{
  font-family:"Spline Sans Mono",monospace;font-weight:600;font-size:.86rem;letter-spacing:.04em;
  color:var(--paper);background:var(--pen);
  border:none;border-radius:3px;padding:.85rem 1.4rem;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;
  transform:rotate(-1.2deg);
  box-shadow:0 6px 0 var(--pen-deep),0 10px 16px rgba(34,64,111,.3);
  transition:transform .15s,box-shadow .15s;
}
.stamp:hover,.stamp:focus-visible{transform:rotate(-1.2deg) translateY(-2px);box-shadow:0 8px 0 var(--pen-deep),0 14px 22px rgba(34,64,111,.38)}
.stamp:active{transform:rotate(-1.2deg) translateY(3px);box-shadow:0 3px 0 var(--pen-deep),0 6px 10px rgba(34,64,111,.3)}
.stamp:focus-visible{outline:3px solid var(--ink);outline-offset:3px}

.ghost{
  font-family:"Caveat",cursive;font-size:1.4rem;color:var(--pen);text-decoration:none;
  border-bottom:2px solid color-mix(in srgb,var(--pen) 40%,transparent);
  transition:border-color .2s}
.ghost:hover,.ghost:focus-visible{border-color:var(--pen)}

/* margin annotations */
.note{
  position:absolute;font-family:"Caveat",cursive;color:var(--pen);
  font-size:clamp(1.1rem,2.4vw,1.5rem);line-height:1.05;opacity:.9;pointer-events:none;
}
.note.tr{top:clamp(1.4rem,4vw,2.4rem);right:clamp(1.4rem,4vw,2.6rem);transform:rotate(4deg);text-align:center}
.note.br{bottom:clamp(1.3rem,3.5vw,2rem);right:clamp(1.6rem,5vw,3rem);transform:rotate(-3deg)}
.note .arrow{display:block;font-size:1.7rem;line-height:.6}

/* ---------- controls ---------- */
.controls{display:flex;align-items:center;gap:1.1rem;justify-content:center}
.counter{font-family:"Spline Sans Mono",monospace;font-size:.82rem;letter-spacing:.14em;color:var(--ink-soft)}
.counter b{color:var(--pen);font-weight:600}
.dots{display:flex;gap:.5rem}
.dot-btn{
  width:11px;height:11px;border-radius:50%;padding:0;cursor:pointer;
  border:1.5px solid color-mix(in srgb,var(--ink) 45%,transparent);
  background:transparent;transition:background .2s,border-color .2s,transform .2s}
.dot-btn[aria-current="true"]{background:var(--pen);border-color:var(--pen);transform:scale(1.15)}
.dot-btn:hover{border-color:var(--pen)}
.dot-btn:focus-visible{outline:2px solid var(--pen);outline-offset:2px}

footer.foot{
  display:flex;flex-direction:column;align-items:center;gap:.55rem;text-align:center;
  padding:.6rem 1rem 1.6rem;
}
.foot-line{
  font-family:"Spline Sans Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:color-mix(in srgb,var(--ink-soft) 80%,transparent);margin:0;
}
.foot-line .sep{opacity:.5;margin:0 .5rem}
.foot-ai{
  font-family:"Lora",serif;font-size:.82rem;line-height:1.45;color:var(--ink-soft);
  max-width:62ch;margin:0;
}
.foot-links{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.55rem;
  font-family:"Spline Sans Mono",monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
}
.foot-links a{color:var(--ink-soft);text-decoration:none;border-bottom:1.5px solid transparent;padding-bottom:1px;transition:color .2s,border-color .2s}
.foot-links a:hover,.foot-links a:focus-visible{color:var(--pen);border-color:var(--pen)}
.foot-dot{opacity:.4}

/* ---------- legal document (terms overlay) ---------- */
.doc-updated{font-family:"Spline Sans Mono",monospace;font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft);margin:.5rem 0 0}
.doc-body{margin-top:1.3rem;display:flex;flex-direction:column;gap:1.15rem;max-width:72ch}
.doc-body section{display:flex;flex-direction:column;gap:.4rem}
.doc-body h3{
  font-family:"Spline Sans Mono",monospace;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--pen);margin:0;display:flex;gap:.6rem;align-items:baseline;
}
.doc-body h3 .num{color:var(--ink-soft);font-variant-numeric:tabular-nums}
.doc-body p,.doc-body li{font-family:"Lora",serif;font-size:1rem;line-height:1.6;color:var(--ink);margin:0}
.doc-body ul{margin:.2rem 0 0;padding-left:1.2rem;display:flex;flex-direction:column;gap:.4rem}
.doc-body b{font-weight:600}
.doc-body a{color:var(--pen);text-decoration:underline}

/* ---------- FAQ ---------- */
.faq{margin-top:1.4rem;display:flex;flex-direction:column;gap:1.3rem;max-width:74ch}
.faq-item{display:flex;flex-direction:column;gap:.35rem}
.faq-q{
  font-family:"Lora",serif;font-weight:500;font-size:clamp(1.05rem,2vw,1.18rem);line-height:1.35;
  color:var(--ink);margin:0;display:flex;gap:.55rem;
}
.faq-q::before{content:"Q";font-family:"Spline Sans Mono",monospace;font-weight:600;color:var(--pen);font-size:.85em;line-height:1.5}
.faq-a{font-family:"Lora",serif;font-size:1rem;line-height:1.6;color:var(--ink);margin:0;padding-left:1.45rem}

/* ---------- pricing overlay ---------- */
.pricing-overlay{
  position:fixed;inset:0;z-index:50;
  display:flex;align-items:flex-start;justify-content:center;
  padding:clamp(1rem,4vw,3rem);overflow:auto;
  background:color-mix(in srgb, var(--desk) 45%, rgba(0,0,0,.7));
  backdrop-filter:blur(3px);
  animation:pricing-fade .2s ease;
}
.pricing-overlay[hidden]{display:none}
@keyframes pricing-fade{from{opacity:0}to{opacity:1}}

.pricing-sheet.launch-sheet{max-width:560px}
.pricing-sheet{
  position:relative;width:100%;max-width:980px;margin:auto;
  background:var(--paper);color:var(--ink);
  border-radius:6px;overflow:hidden;
  padding:clamp(1.6rem,4vw,3rem);
  box-shadow:var(--shadow);
}
.pricing-sheet::before{ /* paper fibers, same as the pages */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='pp'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23pp)' opacity='0.28'/%3E%3C/svg%3E");
}
.pricing-sheet > *{position:relative;z-index:1}

.pricing-close{
  position:absolute;top:clamp(.8rem,2vw,1.2rem);right:clamp(.8rem,2vw,1.2rem);z-index:2;
  width:36px;height:36px;border-radius:50%;cursor:pointer;
  border:1.5px solid color-mix(in srgb,var(--ink) 30%,transparent);
  background:transparent;color:var(--ink-soft);font-size:.9rem;line-height:1;
  display:grid;place-items:center;transition:color .2s,border-color .2s,transform .2s}
.pricing-close:hover{color:var(--pen);border-color:var(--pen)}
.pricing-close:active{transform:scale(.92)}
.pricing-close:focus-visible{outline:none;color:var(--pen);border-color:var(--pen);box-shadow:0 0 0 3px color-mix(in srgb,var(--pen) 30%,transparent)}

.pricing-title{
  font-family:"Caveat",cursive;font-weight:700;color:var(--ink);
  font-size:clamp(2.4rem,6vw,3.4rem);line-height:1;margin:.1rem 0 0;text-wrap:balance;
  text-shadow:0 1px 0 rgba(38,48,58,.14);
}
.pricing-sub{font-family:"Lora",serif;font-size:clamp(1rem,1.8vw,1.12rem);line-height:1.55;
  max-width:56ch;margin:.2rem 0 0;color:var(--ink)}

.offer-banner{
  display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;
  margin-top:clamp(1.1rem,2.4vw,1.5rem);
  background:color-mix(in srgb,var(--brand) 15%, var(--paper));
  border:1.5px dashed color-mix(in srgb,var(--brand) 60%, var(--ink));
  border-radius:10px;padding:.85rem 1.1rem;
}
.offer-tag{
  font-family:"Spline Sans Mono",monospace;font-size:.62rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  background:var(--brand);color:#241a06;padding:.34rem .65rem;border-radius:999px;white-space:nowrap;
  box-shadow:0 2px 5px rgba(40,30,12,.22);
}
.offer-banner p{margin:0;font-family:"Lora",serif;font-size:clamp(.95rem,1.7vw,1.06rem);line-height:1.45;color:var(--ink)}
.offer-banner b{font-weight:600}
.offer-fine{color:var(--ink-soft)}
.plan-offer{
  font-family:"Spline Sans Mono",monospace;font-size:.7rem;font-weight:600;letter-spacing:.02em;margin:.25rem 0 0;
  color:color-mix(in srgb,var(--brand) 72%, var(--ink));
}

.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(.7rem,1.6vw,1.1rem);margin-top:clamp(1.4rem,3vw,2rem)}
.plan{
  position:relative;display:flex;flex-direction:column;gap:.55rem;
  background:color-mix(in srgb, var(--paper) 90%, var(--ink) 10%);
  border:1.5px solid color-mix(in srgb,var(--ink) 16%,transparent);
  border-radius:10px;padding:clamp(1.1rem,2.4vw,1.5rem);
}
.plan.featured{
  border-color:var(--brand);
  background:color-mix(in srgb, var(--brand) 9%, var(--paper));
  box-shadow:0 10px 26px rgba(40,30,12,.18);
}
.plan-badge{
  position:absolute;top:-.7rem;right:1rem;
  font-family:"Spline Sans Mono",monospace;font-size:.62rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  background:var(--brand);color:#241a06;padding:.28rem .6rem;border-radius:999px;
  box-shadow:0 2px 5px rgba(40,30,12,.25);
}
.plan-name{font-family:"Caveat",cursive;font-weight:700;font-size:1.9rem;line-height:1;margin:.1rem 0 0;color:var(--ink)}
.plan-price{margin:.1rem 0 0;display:flex;align-items:baseline;gap:.4rem;flex-wrap:wrap}
.plan-price .amt{font-family:"Spline Sans Mono",monospace;font-weight:600;font-size:clamp(1.7rem,3.6vw,2.1rem);color:var(--ink);font-variant-numeric:tabular-nums}
.plan-price .per{font-family:"Spline Sans Mono",monospace;font-size:.8rem;color:var(--ink-soft);letter-spacing:.02em}
.plan-billed{font-family:"Spline Sans Mono",monospace;font-size:.72rem;color:var(--ink-soft);margin:0;letter-spacing:.02em}
.plan-feats{list-style:none;margin:.7rem 0 0;padding:0;display:flex;flex-direction:column;gap:.5rem;flex:1;
  font-family:"Lora",serif;font-size:.96rem;line-height:1.4;color:var(--ink)}
.plan-feats li{position:relative;padding-left:1.5rem}
.plan-feats li::before{content:"✓";position:absolute;left:0;top:0;color:var(--pen);font-weight:700}
.plan.featured .plan-feats li::before{color:color-mix(in srgb,var(--brand) 70%,var(--ink))}
.plan-feats b{font-weight:600}

.plan-cta{
  margin-top:1.1rem;text-align:center;text-decoration:none;cursor:pointer;
  font-family:"Spline Sans Mono",monospace;font-weight:600;font-size:.82rem;letter-spacing:.02em;
  color:var(--paper);background:var(--pen);
  border:1.5px solid var(--pen);border-radius:4px;padding:.7rem 1rem;
  transition:transform .15s,box-shadow .15s,background .2s,color .2s}
.plan-cta:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(34,64,111,.28)}
.plan-cta:active{transform:translateY(0)}
.plan-cta:focus-visible{outline:3px solid var(--pen);outline-offset:2px}
.plan-cta.ghost-cta{background:transparent;color:var(--pen)}
.plan-cta.ghost-cta:hover{background:color-mix(in srgb,var(--pen) 10%,transparent)}

.pricing-foot{font-family:"Spline Sans Mono",monospace;font-size:.68rem;letter-spacing:.04em;
  color:color-mix(in srgb,var(--ink-soft) 85%,transparent);margin:1.3rem 0 0}

@media (max-width:760px){ .plans{grid-template-columns:1fr} }

@media (max-width:640px){
  .book-row{gap:0}
  .flip{display:none}          /* swipe + dots carry navigation on mobile */
  .note{display:none}
  .eyebrow{letter-spacing:.16em}
}
@media (max-width:520px){
  .brand{display:none}                      /* logo mark alone on mobile — saves room for nav */
  nav.mast-nav a[data-goto]{display:none}   /* "Features" is redundant on mobile */
  nav.mast-nav{gap:1.1rem}
}
@media (prefers-reduced-motion:reduce){
  .track{transition:none}
  .stamp,.flip{transition:none}
}