/* Vibe Coding Lab — independent site
   Direction: engineer's field notebook: paper + ink + electric blue + signal orange. */

:root{
  --ink:#111418;
  --ink-2:#2b3138;
  --muted:#6b7280;
  --paper:#f3f3ee;
  --paper-2:#ecece5;
  --white:#fbfbf7;
  --line:#d8d8cf;
  --blue:#1e4dff;
  --blue-deep:#143bd4;
  --orange:#ff5b35;
  --green:#2d7a58;
  --mono:"Cascadia Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --serif:"Songti SC","STSong","Noto Serif SC",Georgia,serif;
  --max:1180px;
  --pad:clamp(20px,4vw,56px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--blue);color:#fff}
a{color:inherit;text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--blue)}
img{max-width:100%;display:block}
button{font:inherit}
.skip{position:absolute;left:-999px;top:8px;z-index:999;background:var(--ink);color:#fff;padding:10px 14px}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:80;background:rgba(243,243,238,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-head__inner{max-width:var(--max);margin:0 auto;padding:0 var(--pad);height:74px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand img{border-radius:8px;filter:saturate(.85)}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__text strong{font-size:15px;letter-spacing:-.02em}
.brand__text small{font-size:10px;color:var(--muted);letter-spacing:.02em}
.nav{display:flex;gap:24px;margin-left:auto;font-size:14px}
.nav a{text-decoration:none;color:var(--ink-2);padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover{border-color:var(--blue);color:var(--blue)}
.head-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.head-link{font-size:13px;text-decoration:none;color:var(--muted)}
.menu-btn{display:none;background:none;border:1px solid var(--line);padding:8px 12px;border-radius:0;font-size:13px}
.mobile-nav{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--blue);color:#fff;border:1px solid var(--blue);
  padding:13px 20px;border-radius:2px;font-weight:600;font-size:15px;
  text-decoration:none;cursor:pointer;transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:#fff;transform:translateY(-1px)}
.btn--small{padding:9px 14px;font-size:13px}
.btn--light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn--light:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.text-link{font-size:14px;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:2px}
.text-link:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:900px;margin:0 auto;padding:0 var(--pad)}
.section{padding:clamp(56px,8vw,104px) 0;border-top:1px solid var(--line)}
.section--tight{padding:38px 0}
.section--dark{background:var(--ink);color:var(--paper);border-color:#30363d}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 14px}
.kicker--light{color:#9fb0ff}
.h1,.h2,.h3{font-family:var(--serif);font-weight:700;letter-spacing:-.045em;line-height:1.1;margin:0}
.h1{font-size:clamp(44px,7.2vw,88px)}
.h2{font-size:clamp(32px,4.5vw,56px)}
.h3{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.03em}
.lead{font-size:clamp(18px,2.1vw,23px);line-height:1.8;color:var(--ink-2);max-width:720px}
.muted{color:var(--muted)}
.small{font-size:13px;line-height:1.7}
.serif{font-family:var(--serif)}
.mono{font-family:var(--mono)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;border-bottom:1px solid #30363d}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 86%);
}
.hero::after{
  content:"";position:absolute;width:540px;height:540px;right:-150px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,77,255,.38),transparent 66%);filter:blur(8px);pointer-events:none;
}
.hero__inner{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:clamp(54px,8vw,104px) var(--pad) 0;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.78fr);gap:clamp(30px,5vw,72px);align-items:end}
.hero__copy{padding-bottom:64px}
.hero h1{color:var(--paper)}
.hero h1 .accent{color:#8fb2ff}
.hero__lead{color:#c9ced6;font-size:clamp(17px,1.8vw,21px);line-height:1.8;max-width:620px;margin:26px 0 0}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:32px}
.hero__minor{color:#8f98a5;font-size:13px;margin:14px 0 0}
.hero__facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #343b44;margin-top:36px}
.hero__fact{padding:16px 14px 0 0;border-right:1px solid #30363d}
.hero__fact:last-child{border-right:0}
.hero__fact strong{display:block;font-family:var(--mono);font-size:17px;color:var(--paper);letter-spacing:-.03em}
.hero__fact span{display:block;font-size:11px;color:#8f98a5;margin-top:2px}
.hero__panel{position:relative;align-self:end;margin-bottom:0;padding-bottom:0}
.code-window{background:#0a0d12;border:1px solid #3a424d;box-shadow:0 24px 60px rgba(0,0,0,.35);border-radius:3px;overflow:hidden;transform:translateY(1px)}
.code-window__bar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid #2a3038;background:#11161d}
.code-window__bar i{width:8px;height:8px;border-radius:50%;background:#3d4652;display:block}
.code-window__bar i:nth-child(1){background:#ff5b35}.code-window__bar i:nth-child(2){background:#f0c55a}.code-window__bar i:nth-child(3){background:#4e8cff}
.code-window__bar span{font-family:var(--mono);font-size:10px;color:#7f8a98;margin-left:6px}
.code-window__body{padding:18px 18px 22px;font-family:var(--mono);font-size:12px;line-height:1.85;color:#b8c2cf}
.code-window__body .dim{color:#687382}.code-window__body .blue{color:#8fb2ff}.code-window__body .green{color:#73d6a4}.code-window__body .orange{color:#ff9b7f}
.code-window__body .cursor{display:inline-block;width:7px;height:13px;background:#8fb2ff;vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
.code-window__foot{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;border-top:1px solid #2a3038;background:#0d1117;font-family:var(--mono);font-size:10px;color:#7f8a98}
@keyframes blink{50%{opacity:0}}

/* ---------- symptom rows ---------- */
.symptom-list{border-top:1px solid var(--line);margin-top:32px}
.symptom{display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,1.5fr);gap:20px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line)}
.symptom__no{font-family:var(--mono);font-size:12px;color:var(--orange);padding-top:5px}
.symptom h3{font-size:20px;line-height:1.4;margin:0;letter-spacing:-.02em}
.symptom p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.symptom__tag{font-family:var(--mono);font-size:10px;color:var(--muted);display:block;margin-top:6px}

/* ---------- outcome grid ---------- */
.outcome-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:34px}
.outcome{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 26px 30px;background:transparent;position:relative;min-height:190px}
.outcome:before{content:"";position:absolute;left:0;top:0;width:36px;height:3px;background:var(--blue)}
.outcome:nth-child(2):before{background:var(--orange)}.outcome:nth-child(3):before{background:var(--green)}.outcome:nth-child(4):before{background:var(--ink)}
.outcome h3{margin:18px 0 8px;font-size:23px;letter-spacing:-.03em}
.outcome p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.outcome code{font-family:var(--mono);font-size:11px;color:var(--blue)}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);margin-top:38px}
.process__step{padding:24px 22px 26px 0;border-right:1px solid var(--line);margin-right:22px}
.process__step:last-child{border-right:0;margin-right:0;padding-right:0}
.process__no{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.08em}
.process h3{font-size:20px;margin:12px 0 8px;letter-spacing:-.02em}
.process p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- compare table ---------- */
.compare-wrap{overflow-x:auto;margin-top:30px;border:1px solid var(--line);background:var(--white)}
.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:14px}
.compare th,.compare td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare thead th{background:var(--ink);color:var(--paper);font-weight:500;font-family:var(--mono);font-size:11px;letter-spacing:.06em}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:600;color:var(--ink);width:170px}
.compare .yes{color:var(--green);font-weight:600}.compare .no{color:var(--muted)}
.compare .highlight{background:#edf0ff}

/* ---------- pricing ---------- */
.price-band{background:var(--blue);color:#fff;position:relative;overflow:hidden}
.price-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent)}
.price-band__inner{position:relative;max-width:var(--max);margin:0 auto;padding:clamp(46px,7vw,82px) var(--pad);display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:center}
.price-band h2{font-family:var(--serif);font-size:clamp(34px,4.5vw,56px);line-height:1.1;letter-spacing:-.04em;margin:0}
.price-band p{color:#dce2ff;font-size:16px;line-height:1.8;margin:18px 0 0;max-width:590px}
.price-card{background:var(--paper);color:var(--ink);padding:26px 24px 24px;border:1px solid rgba(0,0,0,.12);box-shadow:12px 12px 0 rgba(0,0,0,.16)}
.price-card__label{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.1em}
.price-card__price{font-family:var(--serif);font-size:70px;line-height:1;letter-spacing:-.06em;margin:12px 0 2px}
.price-card__price small{font-family:var(--sans);font-size:14px;letter-spacing:0;color:var(--muted);margin-left:4px}
.price-card ul{list-style:none;padding:0;margin:16px 0 20px;font-size:13px;line-height:1.9}
.price-card li{padding-left:16px;position:relative}
.price-card li:before{content:"—";position:absolute;left:0;color:var(--blue)}
.price-card .btn{width:100%}

/* ---------- resource rows ---------- */
.resource-list{border-top:1px solid var(--line);margin-top:30px}
.resource{display:grid;grid-template-columns:90px minmax(0,1fr) auto;gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none}
.resource:hover{color:var(--blue)}
.resource__type{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.08em}
.resource h3{font-size:19px;margin:0 0 3px;letter-spacing:-.02em}
.resource p{margin:0;font-size:13px;color:var(--muted)}
.resource__arrow{font-family:var(--mono);font-size:16px;color:var(--blue)}

/* ---------- case ---------- */
.case{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,64px);align-items:center}
.case__img{border:1px solid var(--line);background:#0b0f16;position:relative}
.case__img img{width:100%;height:auto}
.case__img figcaption{font-family:var(--mono);font-size:10px;color:#8d97a5;background:#0b0f16;border-top:1px solid #2a3038;padding:8px 12px}
.case__copy h2{margin-bottom:16px}
.case__copy p{color:var(--muted);font-size:15px;line-height:1.9}
.case__points{list-style:none;padding:0;margin:20px 0 0;font-size:14px}
.case__points li{padding:10px 0;border-top:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin-top:28px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:600;font-size:17px;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--mono);color:var(--blue);font-weight:400}
.faq details[open] summary:after{content:"–"}
.faq .faq__a{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.9;max-width:800px}

/* ---------- CTA ---------- */
.cta-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band__inner{max-width:var(--max);margin:0 auto;padding:clamp(42px,7vw,72px) var(--pad);display:flex;justify-content:space-between;gap:28px;align-items:center}
.cta-band h2{font-family:var(--serif);font-size:clamp(28px,4vw,46px);line-height:1.15;letter-spacing:-.04em;margin:0}
.cta-band p{margin:10px 0 0;color:var(--muted);font-size:14px}

/* ---------- article ---------- */
.article-head{padding:clamp(38px,6vw,72px) 0 30px;border-bottom:1px solid var(--line)}
.article-head h1{max-width:900px}
.article-head .lead{margin-top:20px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(32px,6vw,80px);align-items:start;padding:42px 0 70px}
.article-body{min-width:0;font-size:17px;line-height:1.9;color:#252a30}
.article-body > p:first-child{font-size:19px;line-height:1.85;color:var(--ink)}
.article-body h2{font-family:var(--serif);font-size:clamp(26px,3vw,36px);line-height:1.25;letter-spacing:-.035em;margin:52px 0 14px;color:var(--ink)}
.article-body h3{font-size:21px;line-height:1.4;margin:32px 0 10px;color:var(--ink);letter-spacing:-.02em}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 20px}
.article-body li{margin:6px 0}
.article-body strong{color:var(--ink)}
.article-body a{color:var(--blue)}
.article-body blockquote{margin:28px 0;padding:2px 0 2px 22px;border-left:3px solid var(--blue);font-family:var(--serif);font-size:21px;line-height:1.65;color:var(--ink)}
.article-body code{font-family:var(--mono);font-size:.88em;background:#e8e8e2;padding:2px 5px}
.article-body pre{background:#11161d;color:#c7d0db;padding:18px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.7;margin:24px 0;border:1px solid #2a3038}
.article-body pre code{background:none;padding:0;color:inherit;font-size:inherit}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;background:var(--white);border:1px solid var(--line)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--ink);color:var(--paper);font-weight:500}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body .toc{display:none}
.article-aside{position:sticky;top:100px}
.aside-card{border:1px solid var(--line);background:var(--white);padding:20px;margin-bottom:18px}
.aside-card h2{font-size:15px;margin:0 0 8px;letter-spacing:-.02em}
.aside-card p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 14px}
.aside-card .btn{width:100%;font-size:13px;padding:11px 12px}
.aside-links{list-style:none;padding:0;margin:0;font-size:13px}
.aside-links li{padding:8px 0;border-top:1px solid var(--line)}
.aside-links a{text-decoration:none}
.aside-links a:hover{color:var(--blue)}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{text-decoration:none;color:var(--muted)}
.breadcrumb span{margin:0 7px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{font-family:var(--mono);font-size:10px;border:1px solid var(--line);padding:4px 8px;color:var(--muted);text-decoration:none}
.tag:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- hub list ---------- */
.hub-head{padding:clamp(42px,7vw,78px) 0 34px;border-bottom:1px solid var(--line)}
.hub-list{margin-top:24px}
.hub-item{display:grid;grid-template-columns:120px minmax(0,1fr) 130px;gap:22px;padding:24px 0;border-bottom:1px solid var(--line);text-decoration:none;align-items:start}
.hub-item:hover h2{color:var(--blue)}
.hub-item__cat{font-family:var(--mono);font-size:10px;color:var(--blue);letter-spacing:.06em;padding-top:6px}
.hub-item h2{font-family:var(--serif);font-size:26px;line-height:1.25;letter-spacing:-.03em;margin:0 0 8px;transition:color .15s}
.hub-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}
.hub-item__meta{font-family:var(--mono);font-size:10px;color:var(--muted);text-align:right;padding-top:7px}
.download-box{border:1px solid var(--line);background:var(--white);padding:22px;margin:28px 0;display:flex;justify-content:space-between;gap:20px;align-items:center}
.download-box p{margin:0;font-size:14px;color:var(--muted)}
.download-box h2{font-size:18px;margin:0 0 4px}

/* ---------- pricing page ---------- */
.page-head{padding:clamp(42px,7vw,80px) 0 38px}
.page-head h1{max-width:900px}
.price-detail{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:clamp(32px,5vw,72px);align-items:start;padding:46px 0 80px}
.spec-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:24px;background:var(--white);border:1px solid var(--line)}
.spec-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table td:first-child{width:150px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.spec-table tr:last-child td{border-bottom:0}
.check-list{list-style:none;padding:0;margin:20px 0}
.check-list li{padding:8px 0 8px 22px;position:relative;border-bottom:1px solid #ecece6;font-size:15px}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-family:var(--mono)}
.not-list{list-style:none;padding:0;margin:20px 0}
.not-list li{padding:8px 0 8px 22px;position:relative;border-bottom:1px solid #ecece6;font-size:15px;color:var(--muted)}
.not-list li:before{content:"×";position:absolute;left:0;color:var(--orange);font-family:var(--mono)}

/* ---------- booking page ---------- */
.booking-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:clamp(30px,5vw,64px);padding:42px 0 80px;align-items:start}
.contact-card{border:1px solid var(--line);background:var(--white);padding:24px}
.contact-card h2{font-size:20px;margin:0 0 10px}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.8}
.contact-card .qr{display:flex;gap:16px;align-items:center;margin-top:18px}
.contact-card .qr img{width:150px;height:150px;object-fit:cover;border:1px solid var(--line)}
.contact-card .qr figcaption{font-size:12px;color:var(--muted);line-height:1.7}
.contact-list{list-style:none;padding:0;margin:20px 0 0}
.contact-list li{padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.contact-list a{text-decoration:none}
.contact-list a:hover{color:var(--blue)}
.form-frame{border:1px solid var(--line);background:var(--white);padding:8px;margin-top:22px}
.form-frame iframe{width:100%;height:620px;border:0;display:block}

/* ---------- dialog ---------- */
.booking-dialog{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px}
.booking-dialog[hidden]{display:none}
.booking-dialog__scrim{position:absolute;inset:0;background:rgba(8,10,14,.78);backdrop-filter:blur(6px);border:0;cursor:pointer}
.booking-dialog__panel{position:relative;z-index:1;width:min(840px,100%);max-height:94vh;overflow:auto;background:var(--ink);color:var(--paper);padding:clamp(22px,4vw,38px);border:1px solid #39414a;box-shadow:0 30px 100px rgba(0,0,0,.5)}
.booking-dialog__head{display:flex;justify-content:space-between;gap:18px;align-items:start}
.booking-dialog__head h2{font-family:var(--serif);font-size:clamp(25px,3vw,38px);line-height:1.2;letter-spacing:-.03em;margin:0;max-width:650px}
.dialog-close{background:none;border:1px solid #4a535f;color:#c9d0d9;padding:7px 10px;border-radius:0;font-size:12px;cursor:pointer;flex:0 0 auto}
.booking-steps{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}
.booking-step{border-top:1px solid #3a424c;padding-top:14px}
.booking-step .step-no{font-family:var(--mono);font-size:10px;color:#8fb2ff}
.booking-step p{font-size:14px;margin:6px 0 10px}
.choice-row{display:flex;flex-wrap:wrap;gap:7px}
.choice{background:transparent;border:1px solid #49525e;color:#d8dde4;padding:7px 10px;border-radius:0;font-size:12px;cursor:pointer}
.choice:hover,.choice[aria-pressed="true"]{border-color:#8fb2ff;background:#1e4dff;color:#fff}
.booking-contact{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:22px;border-top:1px solid #3a424c;margin-top:26px;padding-top:24px;align-items:start}
.booking-copy{color:#c3cad4;font-size:14px;line-height:1.8;margin:0 0 16px}
.booking-actions{display:flex;flex-wrap:wrap;gap:10px}
.booking-mini{color:#8d97a4;font-size:11px;margin:14px 0 0;line-height:1.8}
.booking-mini a{color:#a9bfff}
.qr{margin:0}
.qr img{border:1px solid #3a424c;background:#fff;padding:5px}
.qr figcaption{font-size:10px;color:#8d97a4;line-height:1.7;margin-top:8px}
.booking-status{font-family:var(--mono);font-size:11px;color:#8fb2ff;min-height:20px;margin:14px 0 0}
.booking-dialog body{overflow:hidden}

/* ---------- legal/about ---------- */
.prose{max-width:830px;margin:0 auto;padding:clamp(36px,6vw,64px) var(--pad) 80px}
.prose h1{font-family:var(--serif);font-size:clamp(38px,5vw,60px);line-height:1.12;letter-spacing:-.04em;margin:0 0 20px}
.prose h2{font-family:var(--serif);font-size:28px;line-height:1.3;letter-spacing:-.03em;margin:40px 0 12px}
.prose p,.prose li{font-size:16px;line-height:1.9;color:#31363d}
.prose ul{padding-left:1.3em}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:50px;padding:44px 0 80px;align-items:start}
.about-grid p{font-size:16px;line-height:1.9;color:#31363d}
.about-facts{border-top:1px solid var(--line)}
.about-facts div{padding:14px 0;border-bottom:1px solid var(--line)}
.about-facts strong{display:block;font-family:var(--mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.about-facts span{font-size:14px}

/* ---------- 404 ---------- */
.notfound{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:760px;margin:0 auto;padding:80px var(--pad)}
.notfound h1{font-family:var(--serif);font-size:clamp(48px,9vw,110px);line-height:1;letter-spacing:-.06em;margin:0 0 14px}

/* ---------- reveal/motion ---------- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
  .reveal.is-in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
}

/* Short desktop/laptop viewports (also covers 125–150% browser zoom) */
@media (max-height:800px) and (min-width:761px){
  .hero__inner{padding-top:clamp(28px,4vh,44px)}
  .hero__copy{padding-bottom:34px}
  .hero h1{font-size:clamp(40px,6.4vh,72px)}
  .hero__lead{font-size:17px;line-height:1.7;margin-top:16px}
  .hero__actions{margin-top:20px}
  .hero__minor{margin-top:10px}
  .hero__facts{margin-top:22px}
  .hero__panel{align-self:start;margin-top:28px}
  .code-window__body{font-size:11px;line-height:1.75}
}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero__inner{grid-template-columns:1fr;padding-bottom:0}
  .hero__copy{padding-bottom:36px}
  .hero__panel{max-width:620px;margin:0 0 0 auto;width:100%}
  .hero__facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero__fact:nth-child(2){border-right:0}
  .price-band__inner{grid-template-columns:1fr;gap:30px}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .aside-card{margin:0}
  .case{grid-template-columns:1fr}
  .booking-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .price-detail{grid-template-columns:1fr}
  .cta-band__inner{align-items:flex-start;flex-direction:column}
}
@media (max-width:980px){
  .nav,.head-link{display:none}
  .head-actions .btn{display:none}
  .menu-btn{display:inline-flex;margin-left:auto}
  .mobile-nav{display:flex;flex-direction:column;gap:2px;padding:8px var(--pad) 16px;border-top:1px solid var(--line);background:var(--paper)}
  .mobile-nav[hidden]{display:none}
  .mobile-nav a{padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:15px}
  .mobile-nav .btn{margin-top:12px}
}
@media (max-width:760px){
  .nav,.head-link{display:none}
  .menu-btn{display:inline-flex;margin-left:auto}
  .head-actions .btn{display:none}
  .mobile-nav{display:flex;flex-direction:column;gap:2px;padding:8px var(--pad) 16px;border-top:1px solid var(--line);background:var(--paper)}
  .mobile-nav[hidden]{display:none}
  .mobile-nav a{padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:15px}
  .mobile-nav .btn{margin-top:12px}
  .hero__inner{padding-top:48px}
  .hero__lead{font-size:17px}
  .hero__facts{grid-template-columns:1fr 1fr}
  .code-window__body{font-size:11px}
  .symptom{grid-template-columns:40px minmax(0,1fr);gap:12px}
  .symptom p{grid-column:2}
  .outcome-grid{grid-template-columns:1fr}
  .outcome{min-height:0}
  .process{grid-template-columns:1fr}
  .process__step{border-right:0;margin-right:0;padding:20px 0;border-bottom:1px solid var(--line)}
  .process__step:last-child{border-bottom:0}
  .resource{grid-template-columns:64px minmax(0,1fr);gap:14px}
  .resource__arrow{display:none}
  .hub-item{grid-template-columns:1fr;gap:7px;padding:20px 0}
  .hub-item__cat{padding-top:0}
  .hub-item__meta{text-align:left;padding-top:0}
  .article-body{font-size:16px}
  .article-aside{grid-template-columns:1fr}
  .booking-steps{grid-template-columns:1fr}
  .booking-contact{grid-template-columns:1fr}
  .booking-dialog__panel{max-height:96vh}
  .download-box{flex-direction:column;align-items:flex-start}
  .site-foot__grid{grid-template-columns:1fr 1fr}
  .site-foot__top{flex-direction:column}
  .site-foot__bottom{flex-direction:column;align-items:flex-start;gap:4px}
  .symptom h3{font-size:18px}
  .h1{font-size:clamp(42px,12vw,64px)}
  .h2{font-size:clamp(30px,8vw,42px)}
}
@media (max-width:460px){
  .hero__fact strong{font-size:14px}
  .brand__text small{display:none}
  .site-head__inner{gap:12px}
  .price-card__price{font-size:58px}
}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:var(--paper);padding:clamp(42px,6vw,72px) var(--pad) 26px}
.site-foot__top{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;gap:28px;align-items:flex-end;padding-bottom:34px;border-bottom:1px solid #343b44}
.foot-brand{font-family:var(--serif);font-size:32px;letter-spacing:-.04em}
.foot-brand span{font-family:var(--sans);font-size:11px;color:#8d97a4;letter-spacing:0;margin-left:8px}
.foot-note{color:#8d97a4;font-size:13px;margin:8px 0 0;max-width:440px;line-height:1.7}
.foot-cta{text-align:right}
.foot-cta p{font-size:13px;color:#c7ced7;margin:0 0 10px}
.site-foot__grid{max-width:var(--max);margin:0 auto;padding:34px 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.site-foot__grid h2{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#7d8794;margin:0 0 10px;font-weight:400}
.site-foot__grid a{display:block;font-size:13px;color:#c7ced7;text-decoration:none;padding:4px 0}
.site-foot__grid a:hover{color:#fff}
.site-foot__bottom{max-width:var(--max);margin:0 auto;padding-top:18px;border-top:1px solid #343b44;display:flex;justify-content:space-between;gap:18px;font-size:11px;color:#7d8794;line-height:1.7}
.site-foot__bottom a{color:#9aa4b1}