/* Shared styles for book.html, subscribe.html and thanks.html (matches index.html) */
:root{
  --bg:#f7f5f0; --surface:#ffffff; --ink:#16181d; --muted:#5d6370; --line:#e3dfd6;
  --accent:#0f6b5c; --accent-ink:#ffffff; --accent-soft:#dff0ec; --warm:#c8552b;
  --radius:14px; --maxw:1080px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0e1113; --surface:#161a1d; --ink:#eceae4; --muted:#9aa1ab; --line:#262c31;
    --accent:#4fd1b5; --accent-ink:#06201b; --accent-soft:#12302a; --warm:#ff8a5c;
  }
}
:root[data-theme="dark"]{
  --bg:#0e1113; --surface:#161a1d; --ink:#eceae4; --muted:#9aa1ab; --line:#262c31;
  --accent:#4fd1b5; --accent-ink:#06201b; --accent-soft:#12302a; --warm:#ff8a5c;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 17px/1.65 'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:600;line-height:1.15;letter-spacing:-.01em}
.mono{font-family:'JetBrains Mono',monospace;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}

/* nav */
header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'Fraunces',serif;font-weight:600;font-size:1.15rem;text-decoration:none}
.logo span{color:var(--accent)}
.links{display:flex;gap:22px;align-items:center;font-size:.92rem}
.links a{text-decoration:none;color:var(--muted);transition:color .2s}
.links a:hover{color:var(--ink)}
.links a.pill{padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);font-weight:500}
.links a.pill:hover{border-color:var(--accent)}
.links a.pill.solid{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.links a[aria-current="page"]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.theme{background:none;border:1px solid var(--line);color:var(--ink);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem}
@media(max-width:860px){.links{gap:10px;font-size:.84rem}.links a:not(.cta){display:none}.links a.pill{padding:6px 11px}}
@media(max-width:420px){.logo{font-size:1rem}.links a.pill{padding:5px 9px}}

/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;border:1px solid var(--ink);transition:transform .15s;background:none;color:var(--ink);cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;transform:none;pointer-events:none}

/* page hero */
.page-hero{padding:72px 0 40px}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.4rem);max-width:20ch;margin:14px 0 18px}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.sub{color:var(--muted);max-width:62ch}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:border-color .2s}
.card:hover{border-color:var(--accent)}
.card h3{font-size:1.3rem;margin:8px 0 8px}
.card p{color:var(--muted);font-size:.96rem}
.card .btns{margin-top:auto;padding-top:24px}
.meta{display:flex;align-items:baseline;gap:12px;margin:6px 0 12px}
.price{font-family:'Fraunces',serif;font-size:1.9rem;font-weight:600}
.dur{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--warm)}
.perks{list-style:none;margin:14px 0 0}
.perks li{padding:6px 0;font-size:.95rem;color:var(--muted);display:flex;gap:10px}
.perks li::before{content:"✓";color:var(--accent);font-weight:700}

section.block{padding:40px 0 72px}

/* how it works */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:8px}
.steps div{border-left:2px solid var(--accent);padding-left:18px}
.steps div::before{counter-increment:s;content:"0" counter(s);font-family:'JetBrains Mono',monospace;color:var(--warm);font-size:.8rem}
.steps h3{font-size:1.05rem;margin:4px 0 6px}
.steps p{color:var(--muted);font-size:.93rem}

/* forms */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;max-width:560px}
form{display:grid;gap:18px}
label{font-size:.9rem;font-weight:500;display:grid;gap:6px}
input[type=email],input[type=text]{width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}
input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--muted);font-size:.88rem}
.check input{margin-top:5px;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.note{font-size:.85rem;color:var(--muted)}
.msg{padding:12px 16px;border-radius:10px;font-size:.92rem;margin-top:4px}
.msg.err{background:color-mix(in srgb,var(--warm) 14%,transparent);color:var(--warm);border:1px solid var(--warm)}
.msg.ok{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent)}
.setup{border:1px dashed var(--warm);border-radius:var(--radius);padding:16px 20px;color:var(--warm);font-size:.9rem;margin-bottom:24px;background:color-mix(in srgb,var(--warm) 8%,transparent)}
.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
@media(max-width:820px){.two-col{grid-template-columns:1fr;gap:32px}}

.embed{margin-top:32px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.embed iframe{width:100%;height:720px;border:0;display:block}

footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--muted)}
[hidden]{display:none !important}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* keep the nav on one line on small phones */
.links a.pill{white-space:nowrap}
@media(max-width:480px){.xs-hide{display:none}}

.terms{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.terms h3{font-size:1.05rem}