:root{
--bg-canvas:#160f2e;--bg-outer:#0e0920;--bg-surface:#221a40;--bg-surface-hover:#2c2252;
--text-primary:#ffffff;--text-muted:#cbc3e3;--accent-primary:#e0409b;--accent-secondary:#a3e635;
--border-subtle:rgba(255,255,255,.14);--ease-kinetic:cubic-bezier(0.16,1,0.3,1);
--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.45);--glow-accent:0 0 24px -4px var(--accent-primary);
--glass-backdrop:blur(16px) saturate(180%);--r:4px;--serif:Charter,"Bitstream Charter",Cambria,Georgia,serif}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg-outer);color:var(--text-primary);font-family:var(--serif);font-size:1.08rem;line-height:1.72;overflow-wrap:anywhere;hyphens:auto;padding:clamp(10px,3vw,40px)}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.2;overflow-wrap:anywhere;hyphens:auto;font-weight:700;margin:0 0 .6em}
h1{font-size:clamp(2rem,5.4vw,3.8rem)}h2{font-size:clamp(1.55rem,3.2vw,2.3rem)}h3{font-size:1.3rem}
p{margin:0 0 1.1em}
a{color:var(--text-primary);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .45s var(--ease-kinetic),color .3s}
a:hover,a:focus-visible{background-size:100% 1px}
p a,li a,td a{color:var(--accent-secondary);background-size:100% 1px}
p a:hover,li a:hover{background-size:0 1px}
:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:3px}
img{max-width:100%;height:auto;display:block;border-radius:var(--r)}
.frame{background:var(--bg-canvas);border:1px solid var(--accent-secondary);border-radius:var(--r);min-height:calc(100vh - 80px);position:relative}
.label{font-variant:small-caps;letter-spacing:.09em;color:var(--accent-secondary);font-size:1.05rem;display:inline-block;margin-bottom:.4em}
.muted{color:var(--text-muted)}
/* header */
.site-header{position:relative;z-index:20;padding:18px clamp(12px,3vw,32px)}
.capsule{display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(34,26,64,.88);backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-subtle);border-radius:999px;padding:8px 12px 8px 22px;box-shadow:var(--shadow-elevation);position:relative}
.brand{font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:10px;margin-right:auto;white-space:nowrap}
.brand-mark{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 35% 35%,var(--accent-primary),#6d1a4b 70%);box-shadow:0 0 0 2px var(--accent-secondary)}
.nav{display:flex;gap:4px;flex-wrap:nowrap}
.nav a{padding:6px 12px;border-radius:999px;font-size:1rem}
.nav a[aria-current="page"]{color:var(--accent-secondary)}
.dots{display:none;background:none;border:1px solid var(--border-subtle);color:#fff;font-size:1.4rem;width:42px;height:42px;border-radius:50%;cursor:pointer;line-height:1}
/* hero */
.hero{position:relative;min-height:calc(100vh - 110px);display:grid;place-items:center;text-align:center;margin:0 clamp(12px,3vw,32px);border-radius:var(--r);overflow:hidden;isolation:isolate}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(160deg,rgba(22,15,46,.55),rgba(22,15,46,.88) 60%,rgba(80,20,70,.75));background-size:200% 200%;animation:gradientShift 12s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
.hero-in{max-width:56rem;padding:60px 22px}
.hero p{font-size:1.2rem;color:var(--text-muted);max-width:42rem;margin:0 auto 1.6em}
.page-hero{padding:56px clamp(16px,4vw,40px) 10px;max-width:72ch;margin:0 auto}
/* columns */
main{display:block}
.col{max-width:68ch;margin:0 auto;padding:0 22px}
.section{padding:56px 0}
.breakout{max-width:1120px;margin:40px auto;padding:0 22px}
.breakout img{width:100%;aspect-ratio:16/9;object-fit:cover}
.breakout figcaption{font-size:.92rem;color:var(--text-muted);margin-top:8px;font-style:italic}
.pull{max-width:900px;margin:30px auto;padding:30px 22px;text-align:center;font-size:clamp(1.4rem,3vw,2.1rem);font-style:italic;line-height:1.4;border-top:1px solid var(--accent-primary);border-bottom:1px solid var(--accent-primary)}
.pull cite{display:block;font-size:1rem;font-style:normal;color:var(--accent-secondary);margin-top:12px;font-variant:small-caps;letter-spacing:.08em}
/* buttons */
.btn{display:inline-block;background:var(--accent-primary);color:#fff;border:0;border-radius:var(--r);padding:14px 28px;font:700 1.05rem var(--serif);cursor:pointer;transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic)}
.btn:hover,.btn:focus-visible{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background-size:0}
.link-btn{background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;border:0;color:var(--accent-secondary);font:1rem var(--serif);cursor:pointer;padding:4px 0;transition:background-size .45s var(--ease-kinetic)}
.link-btn:hover,.link-btn:focus-visible{background-size:100% 1px}
.more{color:var(--accent-secondary);font-weight:700}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r);overflow:visible;transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic),background .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}
.card-media{position:relative}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r) var(--r) 0 0}
.badge{position:absolute;left:16px;bottom:-14px;background:var(--accent-primary);color:#fff;padding:3px 12px;border-radius:var(--r);font-variant:small-caps;letter-spacing:.08em;font-size:.95rem}
.badge.lime{background:var(--accent-secondary);color:#160f2e}
.card-body{padding:28px 20px 22px;flex:1;display:flex;flex-direction:column}
.card-body p{color:var(--text-muted)}
.card-body .more{margin-top:auto}
/* lists, tables */
.check{list-style:none;padding:0;margin:0 0 1.2em}
.check li{padding:8px 0 8px 34px;position:relative;border-bottom:1px dashed var(--border-subtle)}
.check li::before{content:"";position:absolute;left:4px;top:15px;width:14px;height:14px;border:1.5px solid var(--accent-secondary);border-radius:2px}
.check li.done::before{background:var(--accent-secondary)}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:4px 0 22px 62px;border-left:1px solid var(--accent-primary);margin-left:20px}
.steps li::before{content:counter(s);position:absolute;left:-21px;top:0;width:42px;height:42px;border-radius:50%;background:var(--bg-canvas);border:1px solid var(--accent-primary);display:grid;place-items:center;font-weight:700;color:var(--accent-primary)}
.steps li:last-child{border-left-color:transparent}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:1rem}
th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border-subtle);vertical-align:top}
th{font-variant:small-caps;letter-spacing:.07em;color:var(--accent-secondary);background:var(--bg-surface)}
.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r);padding:24px;margin:24px 0}
.panel.note{border-left:3px solid var(--accent-secondary)}
.mistakes{display:grid;gap:18px}
.mistake{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}
.mistake b.num{font-size:2rem;color:var(--accent-primary);line-height:1}
/* faq */
details{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r);margin:0 0 12px;transition:background .3s}
details[open]{background:var(--bg-surface-hover)}
summary{cursor:pointer;padding:16px 20px;font-weight:700;list-style:none;position:relative;padding-right:48px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:12px;font-size:1.5rem;color:var(--accent-primary);transition:transform .4s var(--ease-kinetic)}
details[open] summary::after{transform:rotate(45deg)}
details>div{padding:0 20px 16px;color:var(--text-muted)}
/* form */
.notebook{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r);padding:28px;background-image:repeating-linear-gradient(transparent 0 35px,rgba(163,230,53,.08) 35px 36px)}
.field{margin-bottom:18px}
label{display:block;font-variant:small-caps;letter-spacing:.07em;color:var(--accent-secondary);margin-bottom:4px}
input,select,textarea{width:100%;background:var(--bg-canvas);color:#fff;border:1px solid var(--border-subtle);border-radius:var(--r);padding:11px 12px;font:1rem var(--serif)}
textarea{min-height:150px;resize:vertical}
.out{border:1px solid var(--accent-secondary);border-radius:var(--r);padding:20px;margin-top:24px;background:var(--bg-canvas)}
.out pre{white-space:pre-wrap;font-family:var(--serif);margin:0 0 16px;color:var(--text-muted)}
.out-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.status{min-height:1.4em;color:var(--accent-secondary);font-size:.95rem;margin-top:10px}
.hidden{display:none}
/* footer */
.site-footer{margin:40px clamp(12px,3vw,32px) 0;border-top:1px solid var(--accent-secondary);padding:30px 0 34px}
.footer-in{max-width:1120px;margin:0 auto;padding:0 10px}
.fbrand{font-variant:small-caps;letter-spacing:.1em;font-size:1.3rem;font-weight:700;margin-bottom:.3em}
.frow{display:flex;flex-wrap:wrap;gap:8px 22px;margin:14px 0}
.small{font-size:.9rem;color:var(--text-muted)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(28px)}
.reveal-visible{opacity:1!important;transform:translateY(0)!important;transition:all .7s var(--ease-kinetic)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
@media (max-width:1024px){.nav a{padding:6px 9px}}
@media (max-width:768px){
.dots{display:block}
.nav{display:none;position:absolute;top:calc(100% + 10px);right:0;flex-direction:column;background:var(--bg-surface);border:1px solid var(--accent-secondary);border-radius:28px;padding:12px;min-width:200px;box-shadow:var(--shadow-elevation)}
.nav.open{display:flex;animation:drop .4s var(--ease-kinetic)}
.nav a{padding:10px 16px}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.section{padding:40px 0}}
@media (max-width:480px){body{padding:8px;font-size:1rem}.capsule{padding-left:14px}.brand{font-size:1rem}.notebook{padding:18px}.mistake{grid-template-columns:1fr}.steps li{padding-left:40px}}
@media (min-width:1025px){.col{padding:0}}