/* Ivy Ledger · light editorial, her ledger notebook. Cream, navy, camel, ivy green. */
:root{
  --cream:#F4EDE2; --paper:#FBF7F0; --sand:#EADFCD; --line:#DCCDB6;
  --navy:#1F2A44; --ink:#2A3349; --mute:#5E6474;
  --ivy:#2F5D46; --ivy-d:#244a37; --ivy-soft:#DCE7DF; --camel:#B98B5E; --camel-soft:#F1E3D2;
  --serif:"Lora",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--ivy);text-underline-offset:3px}
a:hover{color:var(--ivy-d)}
:focus-visible{outline:3px solid var(--camel);outline-offset:3px;border-radius:4px}
.wrap{width:min(1120px,100% - 32px);margin:0 auto}
.serif{font-family:var(--serif)}
.eyebrow{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ivy)}
h1,h2,h3{font-family:var(--serif);color:var(--navy);font-weight:600;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(40px,7vw,76px)}
h2{font-size:clamp(30px,4.4vw,46px);margin:10px 0 14px}
h3{font-size:22px}
.lede{font-size:clamp(18px,2.2vw,21px);color:var(--ink);max-width:620px}
.muted{color:var(--mute)}
.tm{font-size:.38em;vertical-align:super;font-family:var(--sans);font-weight:500;letter-spacing:0;margin-left:2px}
section{padding:clamp(64px,9vw,112px) 0}
.rule-line{height:1px;background:var(--line)}

/* nav */
.nav{position:sticky;top:0;z-index:30;background:rgba(244,237,226,.92);backdrop-filter:saturate(1.2) blur(8px);-webkit-backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.solid{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.brand img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.brand span{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.02em}
.nav .links{display:flex;gap:26px;align-items:center;font-size:15px}
.nav .links a{color:var(--ink);text-decoration:none}
.nav .links a:hover{color:var(--ivy)}
@media(max-width:820px){.nav .links a:not(.btn){display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:16px;text-decoration:none;padding:14px 22px;border-radius:999px;border:1.5px solid var(--ivy);transition:background .15s,color .15s,transform .15s;cursor:pointer;min-height:48px}
.btn.main{background:var(--ivy);color:#fff}
.btn.main:hover{background:var(--ivy-d);color:#fff}
.btn.ghost{background:transparent;color:var(--ivy)}
.btn.ghost:hover{background:var(--ivy-soft)}
.btn.sm{padding:9px 16px;font-size:14px;min-height:40px}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{padding:clamp(28px,5vw,64px) 0 clamp(56px,8vw,96px)}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero h1{margin:14px 0 18px}
.hero .note{font-size:14px;color:var(--mute);margin-top:18px}
.photo{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:0 30px 60px -30px rgba(31,42,68,.45)}
.photo img{width:100%;aspect-ratio:4/5;object-fit:cover}
.photo .tag{position:absolute;left:14px;bottom:14px;background:rgba(251,247,240,.94);color:var(--navy);font-size:13px;padding:7px 12px;border-radius:999px;font-weight:500}
@media(max-width:860px){.hero .grid{grid-template-columns:1fr}.hero .photo{order:-1;max-width:460px}}

/* week rule */
.week{background:var(--navy);color:var(--cream);border-radius:calc(var(--r) + 4px);padding:clamp(26px,4vw,44px);display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.week h2{color:#fff}
.week .eyebrow{color:#C9D9CE}
.week p{color:#D8D3C9}
.seal{background:rgba(255,255,255,.06);border:1px dashed rgba(244,237,226,.35);border-radius:var(--r);padding:22px;text-align:center}
.seal .num{font-family:var(--serif);font-size:56px;color:#fff;line-height:1}
.seal .lock{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#C9D9CE;margin-top:6px}
.count{display:flex;justify-content:center;gap:8px;margin-top:16px}
.count div{min-width:62px;background:rgba(255,255,255,.08);border-radius:10px;padding:8px 6px}
.count b{display:block;font-family:var(--serif);font-size:24px;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.count span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#C9D9CE}
@media(max-width:760px){.week{grid-template-columns:1fr}}

/* rules library */
.rules{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:30px}
.rule{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 20px;display:flex;flex-direction:column;gap:8px}
.rule .n{font-family:var(--serif);font-style:italic;color:var(--camel);font-size:15px}
.rule h3{font-size:21px}
.rule p{color:var(--mute);font-size:15.5px;flex:1}
.rule a{font-size:14px;font-weight:600;text-decoration:none}

/* scripts block */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.list10{columns:2;column-gap:28px;margin:18px 0 6px;padding-left:0;list-style:none;counter-reset:s}
.list10 li{break-inside:avoid;padding:7px 0 7px 34px;position:relative;border-bottom:1px solid var(--line);font-size:15.5px}
.list10 li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:7px;font-family:var(--serif);font-style:italic;color:var(--camel)}
@media(max-width:520px){.list10{columns:1}}

/* form */
.form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-top:22px}
.form .row{display:flex;gap:10px;flex-wrap:wrap}
.form input[type=email]{flex:1 1 220px;min-height:50px;font:inherit;font-size:16px;padding:12px 16px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink)}
.form input[type=email]:focus{border-color:var(--ivy);outline:none;box-shadow:0 0 0 3px var(--ivy-soft)}
.form .fine{font-size:13px;color:var(--mute);margin-top:10px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .msg{margin-top:12px;font-size:15px}
.form .msg.err{color:#9b2c2c}
.done{display:none}
.form.ok .ask{display:none}
.form.ok .done{display:block}
.done h3{margin-bottom:6px}

/* myths */
.myths{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:30px}
.myth{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.myth .m{padding:18px 22px;background:var(--camel-soft);font-family:var(--serif);font-size:19px;color:var(--navy)}
.myth .m b,.myth .f b{font-family:var(--sans);font-size:11px;letter-spacing:.16em;text-transform:uppercase;display:block;margin-bottom:4px}
.myth .m b{color:#8a5f36}
.myth .f{padding:18px 22px 6px}
.myth .f b{color:var(--ivy)}
.myth .src{padding:4px 22px 18px;font-size:13.5px;color:var(--mute)}

/* ledger day */
.ledger{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ldate{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:6px 0 16px}
.ldate .big{font-family:var(--serif);font-size:clamp(44px,7vw,68px);color:var(--ivy);line-height:1}
.steps{list-style:none;display:grid;gap:12px;margin-top:20px}
.steps li{display:flex;gap:14px;align-items:flex-start}
.steps i{font-style:normal;flex:none;width:30px;height:30px;border-radius:50%;background:var(--ivy-soft);color:var(--ivy);display:grid;place-items:center;font-weight:700;font-size:14px}

/* code */
.code{counter-reset:c;list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.code li{counter-increment:c;display:grid;grid-template-columns:56px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:clamp(19px,2.3vw,23px);color:var(--navy)}
.code li::before{content:counter(c,upper-roman);font-family:var(--serif);font-style:italic;color:var(--camel);font-size:18px;padding-top:3px}

/* ai teaser */
.aibox{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;background:var(--ivy);color:#E8F0EA;border-radius:calc(var(--r) + 4px);padding:clamp(24px,4vw,40px)}
.aibox h2{color:#fff;margin-top:0}
.aibox img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.4)}
.aibox .btn.ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.aibox .btn.ghost:hover{background:rgba(255,255,255,.12)}
@media(max-width:620px){.aibox{grid-template-columns:1fr}}

/* follow */
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.socials a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--navy);background:var(--paper);border:1px solid var(--line);padding:11px 18px;border-radius:999px;font-weight:500;font-size:15px;min-height:44px}
.socials a:hover{border-color:var(--ivy);color:var(--ivy)}
.socials svg{width:18px;height:18px;fill:currentColor}

/* faq (ai page) */
.qa{margin-top:26px;border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line);padding:18px 0}
.qa summary{font-family:var(--serif);font-size:21px;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";color:var(--camel);font-family:var(--sans);font-size:24px;line-height:1}
.qa details[open] summary::after{content:"−"}
.qa details p{margin-top:10px;color:var(--ink);max-width:720px}

/* prose (privacy) */
.prose{max-width:720px}
.prose h2{font-size:26px;margin:34px 0 8px}
.prose p,.prose li{margin:8px 0}
.prose ul{padding-left:22px}

/* footer */
footer{padding:44px 0 56px;border-top:1px solid var(--line);font-size:14px;color:var(--mute)}
footer .wrap{display:grid;gap:14px}
footer .top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:18px}
footer nav a{color:var(--ink);text-decoration:none}
footer nav a:hover{color:var(--ivy)}
footer .sig{font-family:var(--serif);font-style:italic;font-size:18px;color:var(--navy)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.nav .links a.btn.main{color:#fff}