/* ship.css — the whole design system for ship.traqqit.com (landing, quiz, course).
One file, no framework. Light + dark via tokens. Indigo brand, highlighter accent, Marc-Lou energy. */
:root{
--bg:#ffffff; --bg-soft:#f8fafc; --bg-muted:#f1f5f9; --card:#ffffff;
--line:#e2e8f0; --line-2:#cbd5e1;
--ink:#0f172a; --ink-2:#334155; --ink-3:#64748b; --ink-4:#94a3b8;
--brand:#4f46e5; --brand-hover:#4338ca; --brand-ink:#3730a3; --brand-text:#4f46e5;
--brand-soft:#eef2ff; --brand-soft-2:#e0e7ff; --brand-line:#c7d2fe;
--mark-a:#fde047; --mark-b:#facc15; --mark-ink:#1e1b4b;
--ok:#047857; --ok-soft:#ecfdf5; --ok-line:#a7f3d0;
--warn:#92400e; --warn-soft:#fffbeb; --warn-line:#fde68a;
--bad:#b91c1c; --bad-soft:#fef2f2; --bad-line:#fecaca;
--code-bg:#0f172a; --code-ink:#e2e8f0; --code-line:#1e293b;
--shadow:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.08);
--shadow-lg:0 20px 45px -15px rgba(15,23,42,.25);
--glow:0 10px 25px -6px rgba(79,70,229,.45);
--r:14px; --r-lg:20px; --r-xl:26px;
--font:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
--hand:'Caveat','Comic Sans MS',cursive;
color-scheme:light;
}
@media (prefers-color-scheme:dark){
:root{
--bg:#0b1020; --bg-soft:#0e1428; --bg-muted:#131b33; --card:#111a30;
--line:#212b45; --line-2:#2e3a5a;
--ink:#e9edf7; --ink-2:#c4cce0; --ink-3:#8e98b4; --ink-4:#66708e;
--brand:#5b54f0; --brand-hover:#6d67ff; --brand-ink:#c7d2fe; --brand-text:#a5b4fc;
--brand-soft:rgba(99,102,241,.14); --brand-soft-2:rgba(99,102,241,.22); --brand-line:rgba(129,140,248,.38);
--mark-a:#facc15; --mark-b:#eab308; --mark-ink:#1e1b4b;
--ok:#6ee7b7; --ok-soft:rgba(16,185,129,.12); --ok-line:rgba(52,211,153,.35);
--warn:#fcd34d; --warn-soft:rgba(245,158,11,.12); --warn-line:rgba(251,191,36,.35);
--bad:#fca5a5; --bad-soft:rgba(239,68,68,.12); --bad-line:rgba(248,113,113,.35);
--code-bg:#070b18; --code-line:#1a2340;
--shadow:0 1px 2px rgba(0,0,0,.4); --shadow-lg:0 20px 45px -15px rgba(0,0,0,.7);
--glow:0 10px 28px -6px rgba(91,84,240,.55);
color-scheme:dark;
}
}
/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--brand-text);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.15;text-wrap:balance}
.lead,.sub,.lede{text-wrap:pretty}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
:focus-visible{outline:3px solid var(--brand-line);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-soft-2)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--brand);color:#fff;padding:.5rem 1rem;border-radius:999px}
.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.wrap-md{max-width:880px}.wrap-sm{max-width:720px}
.center{text-align:center}
.muted{color:var(--ink-3)}
.small{font-size:.875rem}.tiny{font-size:.78rem}
.hand{font-family:var(--hand);font-weight:700}
.mark{background:linear-gradient(120deg,var(--mark-a),var(--mark-b));color:var(--mark-ink);padding:.02em .2em;border-radius:.2em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.mono{font-family:var(--mono)}
.stack>*+*{margin-top:1rem}
.hide{display:none!important}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;padding:.85rem 1.6rem;font-size:1rem;line-height:1.2;box-shadow:var(--glow);transition:transform .12s ease,background .15s ease;text-decoration:none!important;border:1.5px solid transparent;cursor:pointer}
.btn:hover{background:var(--brand-hover);transform:translateY(-1px)}
.btn:active{transform:none}
.btn:disabled,.btn[aria-busy=true]{opacity:.6;cursor:wait;transform:none}
.btn-lg{padding:1rem 2rem;font-size:1.1rem}
.btn-sm{padding:.55rem 1.05rem;font-size:.875rem;box-shadow:none;white-space:nowrap}
.btn-ghost{background:var(--card);color:var(--brand-ink);border-color:var(--brand-line);box-shadow:none}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-quiet{background:transparent;color:var(--ink-3);box-shadow:none;padding:.5rem .8rem;font-weight:600}
.btn-quiet:hover{background:var(--bg-muted);color:var(--ink)}
.btn-white{background:#fff;color:#3730a3;box-shadow:0 12px 30px -10px rgba(0,0,0,.35)}
.btn-white:hover{background:#eef2ff}
.btn-block{width:100%}
/* ---------- pills / badges ---------- */
.pill{display:inline-flex;align-items:center;gap:.4rem;border-radius:999px;font-weight:700;font-size:.78rem;padding:.25rem .7rem;background:var(--brand-soft);color:var(--brand-ink);border:1px solid var(--brand-line)}
.pill-ok{background:var(--ok-soft);color:var(--ok);border-color:var(--ok-line)}
.pill-warn{background:var(--warn-soft);color:var(--warn);border-color:var(--warn-line)}
.pill-plain{background:var(--bg-muted);color:var(--ink-3);border-color:var(--line)}
.badge{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:.15rem .5rem;border-radius:6px;background:var(--brand);color:#fff}
/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:900;letter-spacing:-.02em;color:var(--ink);font-size:1.05rem;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}
.brand b{color:var(--brand-text);font-weight:900}
.nav{display:flex;align-items:center;gap:.25rem}
.nav a.navlink{color:var(--ink-3);font-weight:600;font-size:.9rem;padding:.45rem .7rem;border-radius:999px}
.nav a.navlink:hover{color:var(--ink);background:var(--bg-muted);text-decoration:none}
@media (max-width:760px){.nav a.navlink{display:none}}
#acctChip{display:flex;align-items:center;gap:.6rem;font-size:.84rem}
#acctChip .who{color:var(--ink-3);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:560px){#acctChip .who{display:none}}
@media (max-width:400px){.brand{font-size:.95rem}.brand svg{width:22px;height:22px}}
#acctChip .count{color:var(--brand-text);font-weight:800}
#acctChip button{color:var(--brand-text);font-weight:700}
#acctChip button.out{color:var(--ink-4);font-weight:600}
/* ---------- sections (landing) ---------- */
.section{padding:84px 0}
.section-sm{padding:56px 0}
.section-tint{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grain{background-image:radial-gradient(var(--brand-soft-2) 1px,transparent 1px);background-size:22px 22px}
.eyebrow{display:inline-flex;align-items:center;gap:.45rem;font-weight:800;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-text)}
.h-hero{font-size:clamp(2.3rem,6vw,4.1rem);font-weight:900;letter-spacing:-.035em;line-height:1.03}
.h-sec{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:900;letter-spacing:-.03em}
.h-card{font-size:1.1rem;font-weight:800}
.lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:var(--ink-2);line-height:1.6}
.sub{color:var(--ink-3);margin-top:.75rem}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.card-pad-lg{padding:30px}
.card-hover{transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--brand-line);text-decoration:none}
.card-brand{background:var(--brand-soft);border-color:var(--brand-line)}
.card-dark{background:#0f172a;color:#e2e8f0;border-color:#1e293b}
.card-dark h2,.card-dark h3{color:#fff}
.card .emoji{font-size:1.8rem;line-height:1}
.callout-band{background:var(--brand);color:#fff}
.callout-band h2{color:#fff}
/* proof (live app) cards */
.app{display:flex;flex-direction:column;overflow:hidden;padding:0;color:var(--ink)}
.app img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-muted);border-bottom:1px solid var(--line)}
.app .body{padding:16px 18px}
.app h3{font-size:1rem;font-weight:800;display:flex;align-items:center;gap:.5rem}
.app p{font-size:.88rem;color:var(--ink-3);margin-top:.35rem}
.live{display:inline-flex;align-items:center;gap:.3rem;font-size:.7rem;font-weight:800;color:var(--ok);background:var(--ok-soft);border:1px solid var(--ok-line);border-radius:999px;padding:.05rem .45rem}
.live::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
/* browser frame */
.frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow-lg);background:#0f172a}
.frame .bar{display:flex;align-items:center;gap:6px;height:34px;padding:0 14px;background:#1e293b}
.frame .bar i{width:11px;height:11px;border-radius:50%;background:#f87171}
.frame .bar i:nth-child(2){background:#fbbf24}.frame .bar i:nth-child(3){background:#34d399}
.frame .bar span{margin-left:10px;color:#94a3b8;font:12px var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* compare (before/after) */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:700px){.compare{grid-template-columns:1fr}}
.compare .bad{background:var(--bad-soft);border:1px solid var(--bad-line);border-radius:var(--r-lg);padding:22px}
.compare .good{background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:var(--r-lg);padding:22px}
.compare ul{margin:.6rem 0 0;padding:0;list-style:none}
.compare li{margin-top:.5rem;font-size:.95rem;color:var(--ink-2)}
/* numbered steps (landing) */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
@media (max-width:760px){.steps3{grid-template-columns:1fr}}
.steps3>div{text-align:center}
.steps3 .num{width:48px;height:48px;margin:0 auto;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900;font-size:1.15rem;box-shadow:var(--glow)}
/* FAQ */
details.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
details.faq+details.faq{margin-top:10px}
details.faq summary{cursor:pointer;list-style:none;font-weight:800;display:flex;justify-content:space-between;gap:1rem;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-weight:900;color:var(--brand-text);font-size:1.25rem;line-height:1;transition:transform .15s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq p{color:var(--ink-2);margin-top:.7rem;font-size:.95rem}
/* footer */
.foot{border-top:1px solid var(--line);padding:34px 0;color:var(--ink-3);font-size:.88rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between}
.foot a{color:var(--ink-3)}.foot a:hover{color:var(--ink)}
.foot nav{display:flex;flex-wrap:wrap;gap:16px}
/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-weight:700;font-size:.88rem}
.input{width:100%;border:1.5px solid var(--line-2);background:var(--card);border-radius:12px;padding:.8rem .95rem;font-size:1rem;transition:border-color .15s,box-shadow .15s}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft-2)}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--ink-2);cursor:pointer}
.check input{width:1.15rem;height:1.15rem;margin-top:.15rem;accent-color:var(--brand);flex:none}
.err{color:var(--bad);font-size:.85rem;min-height:1.2em}
.note{color:var(--ink-3);font-size:.82rem}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
/* modal */
.modal{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;padding:16px;background:rgba(2,6,23,.55);backdrop-filter:blur(3px)}
.modal.open{display:flex}
.modal .box{position:relative;width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--shadow-lg);max-height:calc(100vh - 32px);overflow:auto}
.modal .x{position:absolute;top:12px;right:14px;font-size:1.3rem;color:var(--ink-4);line-height:1;padding:6px}
.modal h3{font-size:1.4rem;font-weight:900}
/* toast */
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:90;background:#0f172a;color:#fff;border-radius:999px;padding:.7rem 1.2rem;font-weight:700;font-size:.9rem;box-shadow:var(--shadow-lg);max-width:calc(100vw - 32px)}
/* progress bar */
.progress{height:10px;border-radius:999px;background:var(--brand-soft-2);overflow:hidden}
.progress>i{display:block;height:100%;width:0;background:var(--brand);border-radius:999px;transition:width .35s ease}
/* ---------- quiz ---------- */
.quiz{max-width:680px;margin:0 auto}
.quiz-top{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.quiz-top .progress{flex:1}
.quiz-top .count{font-weight:800;font-size:.85rem;color:var(--ink-3);white-space:nowrap}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;box-shadow:var(--shadow)}
@media (max-width:560px){.qcard{padding:22px 18px}}
.qcard h2{font-size:clamp(1.35rem,3.6vw,1.75rem);font-weight:900;letter-spacing:-.025em}
.qhelp{color:var(--ink-3);margin-top:.5rem;font-size:.95rem}
.qhelp b{color:var(--ink-2)}
.opts{display:grid;gap:10px;margin-top:20px}
.opt{position:relative;display:flex;gap:14px;align-items:flex-start;text-align:left;width:100%;border:1.5px solid var(--line-2);background:var(--card);border-radius:16px;padding:14px 16px;transition:border-color .12s,background .12s,transform .12s;cursor:pointer}
.opt:hover{border-color:var(--brand-line);background:var(--brand-soft)}
.opt[aria-checked=true]{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px var(--brand-soft-2)}
.opt .ico{font-size:1.5rem;line-height:1.2;flex:none;width:1.9rem;text-align:center}
.opt .t{font-weight:800;color:var(--ink);display:block}
.opt .d{font-size:.88rem;color:var(--ink-3);display:block;margin-top:.15rem}
.opt .tick{margin-left:auto;flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--line-2);display:grid;place-items:center;font-size:.75rem;color:transparent;margin-top:.15rem}
.opt[aria-checked=true] .tick{background:var(--brand);border-color:var(--brand);color:#fff}
.qnav{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:10px}
details.whatis{margin-top:14px;border-radius:12px;background:var(--bg-soft);border:1px dashed var(--line-2);padding:10px 14px;font-size:.9rem;color:var(--ink-2)}
details.whatis summary{cursor:pointer;font-weight:700;color:var(--brand-text)}
details.whatis p{margin-top:.5rem}
/* result / path */
.path{list-style:none;margin:18px 0 0;padding:0;counter-reset:p}
.path>li{position:relative;display:flex;gap:14px;padding:14px 0 14px 0;border-top:1px solid var(--line)}
.path>li:first-child{border-top:0}
.path .n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;display:grid;place-items:center;font-size:.92rem}
.path .done .n,.path li.done .n{background:var(--ok)}
.path h4{font-size:1rem;font-weight:800}
.path h4 a{color:var(--ink)}
.path .why{font-size:.86rem;color:var(--ink-3);margin-top:.2rem}
.path .meta{font-size:.75rem;font-weight:700;color:var(--ink-4);margin-top:.25rem;text-transform:uppercase;letter-spacing:.04em}
.statrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.stat{flex:1 1 140px;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.stat b{display:block;font-size:1.35rem;font-weight:900;color:var(--ink)}
.stat span{font-size:.8rem;color:var(--ink-3);font-weight:600}
/* ---------- course layout ---------- */
.course{background:var(--bg-soft)}
.course-wrap{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;max-width:1180px;margin:0 auto;padding:34px 20px 70px}
@media (max-width:1020px){.course-wrap{grid-template-columns:minmax(0,1fr);gap:0;padding-top:18px}}
.course-wrap>main,.lesson,.prose{min-width:0}
.side{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;padding-right:6px;font-size:.88rem}
@media (max-width:1020px){.side{display:none}}
.side .part{margin-top:18px}
.side .part:first-child{margin-top:0}
.side .part>p{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-4);margin-bottom:6px}
.side ul{list-style:none;margin:0;padding:0}
.side li a{display:flex;align-items:baseline;gap:7px;color:var(--ink-3);padding:5px 8px;border-radius:8px;line-height:1.35}
.side li a:hover{background:var(--bg-muted);color:var(--ink);text-decoration:none}
.side li a.active{background:var(--brand-soft);color:var(--brand-ink);font-weight:800}
.side li a .mk{flex:none;width:14px;font-size:.72rem;text-align:center;color:var(--ink-4)}
.side li a.inpath .mk{color:var(--brand-text)}
.side li a.done .mk{color:var(--ok)}
.side .home{display:block;font-weight:800;color:var(--ink-2);padding:5px 8px;border-radius:8px;margin-bottom:6px}
.side .home.active{background:var(--brand-soft);color:var(--brand-ink)}
details.mnav{display:none;margin-bottom:18px;background:var(--card);border:1px solid var(--line);border-radius:14px}
@media (max-width:1020px){details.mnav{display:block}}
details.mnav>summary{cursor:pointer;list-style:none;padding:12px 16px;font-weight:800;display:flex;justify-content:space-between}
details.mnav>summary::-webkit-details-marker{display:none}
details.mnav>summary::after{content:"▾";color:var(--brand-text)}
details.mnav[open]>summary::after{content:"▴"}
details.mnav .side{display:block;position:static;max-height:none;padding:0 10px 12px}
.lesson{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:40px 44px;box-shadow:var(--shadow);max-width:820px}
@media (max-width:700px){.lesson{padding:26px 18px;border-radius:18px}}
.lesson-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.78rem;font-weight:800;color:var(--brand-text);text-transform:uppercase;letter-spacing:.05em}
.lesson-meta .sep{color:var(--ink-4)}
.lesson h1{font-size:clamp(1.8rem,4.4vw,2.45rem);font-weight:900;letter-spacing:-.03em;margin-top:.4rem}
.lesson .lede{font-size:1.1rem;color:var(--ink-3);margin-top:.7rem;line-height:1.6}
.pathnote{margin-top:16px}
.pathnote:empty{display:none}
.pathnote .in{display:flex;gap:10px;align-items:flex-start;background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand-ink);border-radius:12px;padding:10px 14px;font-size:.9rem}
.pathnote .out{display:flex;gap:10px;align-items:flex-start;background:var(--bg-muted);border:1px solid var(--line);color:var(--ink-3);border-radius:12px;padding:10px 14px;font-size:.9rem}
.toc{margin-top:22px;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:.9rem}
.toc p{font-weight:800;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-4)}
.toc ol{margin:.4rem 0 0;padding-left:1.2rem;color:var(--ink-3)}
.toc li{margin-top:.2rem}
.lesson .prose{margin-top:1.6rem}
/* ---------- prose (lesson body) ---------- */
.prose{color:var(--ink-2);font-size:1.02rem;line-height:1.75}
.prose>*+*{margin-top:1rem}
.prose h2{font-size:1.45rem;font-weight:900;letter-spacing:-.02em;margin-top:2.6rem;color:var(--ink)}
.prose h3{font-size:1.12rem;font-weight:800;margin-top:1.8rem;color:var(--ink)}
.prose h4{font-size:1rem;font-weight:800;margin-top:1.4rem}
.prose h2+*,.prose h3+*{margin-top:.6rem}
.prose ul,.prose ol{padding-left:1.35rem}
.prose li{margin-top:.4rem}
.prose li::marker{color:var(--brand-text)}
.prose strong,.prose b{color:var(--ink);font-weight:750}
.prose a{font-weight:650;text-decoration:underline;text-decoration-color:var(--brand-line);text-underline-offset:3px}
.prose a:hover{text-decoration-color:currentColor}
.prose code{font-family:var(--mono);font-size:.86em;background:var(--brand-soft);color:var(--brand-ink);padding:.12em .38em;border-radius:6px;word-break:break-word}
.prose pre{position:relative;background:var(--code-bg);color:var(--code-ink);border:1px solid var(--code-line);border-radius:14px;padding:16px 18px;overflow-x:auto;font-size:.84rem;line-height:1.6;margin-top:1rem}
.prose pre code{background:none;color:inherit;padding:0;font-size:inherit;white-space:pre;word-break:normal}
.prose pre[data-label]{padding-top:34px}
.prose pre[data-label]::before{content:attr(data-label);position:absolute;top:8px;left:14px;font:700 .66rem var(--font);letter-spacing:.06em;text-transform:uppercase;color:#64748b}
.prose .cmt{color:#7c89a8}
.copybtn{position:absolute;top:7px;right:8px;font:700 .7rem var(--font);color:#a5b4fc;background:#1e293b;border:1px solid #334155;border-radius:7px;padding:.2rem .55rem;cursor:pointer}
.copybtn:hover{color:#fff}
.prose kbd{font-family:var(--mono);font-size:.8em;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:6px;padding:.05em .4em;background:var(--card);color:var(--ink)}
.prose blockquote{margin:1.2rem 0 0;border-left:4px solid var(--brand-line);padding:.2rem 0 .2rem 1rem;color:var(--ink-3);font-style:italic}
.prose table{width:100%;border-collapse:collapse;font-size:.92rem;margin-top:1rem;display:block;overflow-x:auto}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:.55rem .7rem;text-align:left;vertical-align:top}
.prose th{font-weight:800;color:var(--ink);background:var(--bg-soft)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2rem 0}
.prose figure{margin:1.2rem 0 0}
.prose figcaption{font-size:.8rem;color:var(--ink-4);margin-top:.4rem;text-align:center}
.prose .lead{font-size:1.1rem}
/* callouts */
.call{border-radius:14px;padding:14px 16px;margin-top:1.25rem;font-size:.95rem;line-height:1.65;border:1px solid}
.call>*+*{margin-top:.5rem}
.call p{color:inherit}
.call strong,.call b{color:inherit}
.call.tip{background:var(--ok-soft);border-color:var(--ok-line);color:var(--ok)}
.call.warn{background:var(--warn-soft);border-color:var(--warn-line);color:var(--warn)}
.call.danger{background:var(--bad-soft);border-color:var(--bad-line);color:var(--bad)}
.call.lazy{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-ink)}
.call.real{background:var(--bg-soft);border-color:var(--line);color:var(--ink-2)}
.call code{background:rgba(255,255,255,.55)}
@media (prefers-color-scheme:dark){.call code{background:rgba(0,0,0,.25)}}
/* jargon explainer: What's DNS?
…
1
…
*/
.step{display:flex;gap:12px;align-items:center;margin-top:2.6rem}
.step .n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;display:grid;place-items:center;font-size:.95rem}
.prose .step h2{margin-top:0}
/* chat illustration */
.chat{margin-top:.7rem;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card);font-size:.9rem}
.chat .bar{background:#0f172a;color:#94a3b8;padding:.45rem .85rem;font-size:.7rem;font-weight:800;letter-spacing:.04em;display:flex;align-items:center;gap:.45rem}
.chat .bar .dot{width:.5rem;height:.5rem;border-radius:50%;background:#334155}
.chat .msg{padding:.8rem 1rem;border-top:1px solid var(--line);line-height:1.6;color:var(--ink-2)}
.chat .ai{background:var(--brand-soft)}
.chat .who{display:inline-block;font-weight:900;font-size:.62rem;text-transform:uppercase;letter-spacing:.05em;margin-right:.55rem;padding:.08rem .42rem;border-radius:5px;vertical-align:middle}
.chat .you .who{background:var(--bg-muted);color:var(--ink-3);border:1px solid var(--line)}
.chat .ai .who{background:var(--brand);color:#fff}
.chat .tool{display:block;margin-top:.5rem;font:.74rem var(--mono);color:var(--brand-ink);background:var(--card);border:1px solid var(--brand-line);border-radius:7px;padding:.3rem .6rem}
.chatcap{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4);margin-top:1.3rem}
/* checklist */
.checklist{list-style:none!important;padding-left:0!important}
.checklist li{position:relative;padding-left:1.9rem}
.checklist li::before{content:"";position:absolute;left:0;top:.28em;width:1.1rem;height:1.1rem;border:2px solid var(--brand);border-radius:5px}
.checklist li::marker{content:none}
/* quick-start box */
.quick{border:2px solid var(--brand-line);background:var(--card);border-radius:18px;padding:20px 22px;margin-top:1.4rem}
.quick>p:first-child{font-weight:900;color:var(--brand-text);font-size:1.05rem}
.quick ol{margin-top:.6rem}
/* "you'll leave with" / outcome box */
.outcome{background:#0f172a;color:#e2e8f0;border-radius:18px;padding:20px 22px;margin-top:1.4rem}
.outcome p:first-child{font-size:.72rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:#a5b4fc}
.outcome ul{margin:.5rem 0 0;padding-left:1.2rem;color:#e2e8f0}
.outcome li::marker{color:#a5b4fc}
.outcome strong{color:#fff}
/* terminal-ish output */
.term{background:var(--code-bg);color:#a7f3d0;border-radius:12px;padding:12px 14px;font:.82rem/1.6 var(--mono);margin-top:.8rem;white-space:pre-wrap;border:1px solid var(--code-line)}
/* mark-complete + pager */
#pgToggleWrap{margin-top:2.8rem;display:flex;flex-wrap:wrap;align-items:center;gap:.8rem;padding-top:1.6rem;border-top:1px solid var(--line)}
#pgToggleWrap .done-btn{background:var(--ok-soft);color:var(--ok);border-color:var(--ok-line);box-shadow:none}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:1.6rem;font-size:.92rem}
.pager a{display:flex;flex-direction:column;gap:.15rem;max-width:48%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink)}
.pager a:hover{border-color:var(--brand-line);text-decoration:none}
.pager a small{font-size:.72rem;font-weight:800;color:var(--ink-4);text-transform:uppercase;letter-spacing:.05em}
.pager a.next{margin-left:auto;text-align:right}
.pager a b{font-weight:800}
/* hub module cards */
.mods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
@media (max-width:700px){.mods{grid-template-columns:1fr}}
.mod{display:flex;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}
.mod:hover{border-color:var(--brand-line);transform:translateY(-1px);box-shadow:var(--shadow);text-decoration:none}
.mod .e{font-size:1.55rem;line-height:1.2;flex:none}
.mod h3{font-size:.98rem;font-weight:800}
.mod p{font-size:.85rem;color:var(--ink-3);margin-top:.2rem}
.mod .m{font-size:.68rem;font-weight:800;color:var(--ink-4);text-transform:uppercase;letter-spacing:.05em}
.mod.inpath{border-color:var(--brand-line);background:linear-gradient(180deg,var(--brand-soft),var(--card) 70%)}
.mod.done{opacity:.75}
.mod.done h3::after{content:" ✓";color:var(--ok)}
.parthead{display:flex;align-items:baseline;gap:10px;margin-top:2.4rem}
.parthead h2{font-size:1.25rem;font-weight:900}
.parthead span{font-size:.85rem;color:var(--ink-3)}
/* email capture inline box */
.capture{background:var(--card);border:2px solid var(--brand-line);border-radius:var(--r-xl);padding:26px;box-shadow:var(--shadow)}
/* utility spacing */
.mt0{margin-top:0}.mt1{margin-top:.5rem}.mt2{margin-top:1rem}.mt3{margin-top:1.5rem}.mt4{margin-top:2rem}.mt5{margin-top:3rem}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.row-center{justify-content:center}
.maxw-sm{max-width:620px;margin-left:auto;margin-right:auto}