/* TechDevs.site — public styles (from approved design preview) */
:root{
  --ink:#0E2028; --ink-2:#14303C; --ink-3:#1C3E4C;
  --paper:#F3F7F6; --card:#FFFFFF; --line:#DEE7E4;
  --text:#13272E; --muted:#5B7079; --faint:#8AA0A7;
  --accent:#0E9F6E; --accent-deep:#0B7F58; --accent-soft:#E3F4ED;
  --amber:#B45309; --amber-soft:#FBF0DE;
  --on-ink:#EAF2EF; --on-ink-muted:#9FB4B0;
  --mono:"Cascadia Code",Consolas,ui-monospace,"SF Mono",monospace;
  --sans:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,sans-serif;
  --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--text);line-height:1.6;margin:0}
h1,h2,h3,h4{line-height:1.2;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}

.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* header / footer */
.site-header{background:var(--ink);color:var(--on-ink)}
.site-header .container{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#0B7F58);
  display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:700;color:#04231a}
.logo img{height:34px;width:auto}
.main-nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px}
.main-nav a{color:var(--on-ink-muted);padding:4px 0;border-bottom:2px solid transparent}
.main-nav a:hover{color:var(--on-ink)}
.main-nav a.active{color:var(--on-ink);border-bottom-color:var(--accent)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid #3a5d68;color:var(--on-ink);
  border-radius:8px;padding:6px 12px;font-size:18px;line-height:1}
.btn{display:inline-block;border-radius:8px;padding:10px 20px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:filter .15s}
.btn:hover{filter:brightness(1.07)}
.btn-accent{background:var(--accent);color:#04231a}
.btn-ghost{border-color:#3a5d68;color:var(--on-ink)}
.btn-outline{border-color:var(--accent);color:var(--accent-deep)}
.btn-sm{padding:7px 14px;font-size:13.5px}
.header-cta{margin-left:8px}

.site-footer{background:var(--ink);color:var(--on-ink-muted);margin-top:72px;font-size:14px}
.site-footer .container{padding-top:48px;padding-bottom:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.site-footer h4{color:var(--on-ink);font-size:13px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px;font-weight:600}
.site-footer li{list-style:none;margin-bottom:9px}
.site-footer ul{margin:0;padding:0}
.site-footer a:hover{color:var(--on-ink)}
.footer-bottom{border-top:1px solid #1e3d48;padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.footer-about{max-width:300px;line-height:1.7}
.footer-about .logo{color:var(--on-ink);margin-bottom:12px}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);font-weight:600}
.on-dark .eyebrow{color:var(--accent)}
.section{padding:64px 0 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:27px;font-weight:700;letter-spacing:-.01em;margin-top:6px}
.see-all{font-family:var(--mono);font-size:13px;color:var(--accent-deep);font-weight:600}

/* toasts (django messages) */
.toasts{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--ink);color:var(--on-ink);border-left:4px solid var(--accent);
  border-radius:8px;padding:12px 18px;font-size:14px;box-shadow:0 10px 30px -10px #0008}

/* hero */
.hero{background:var(--ink);color:var(--on-ink);padding:72px 0 80px;
  background-image:radial-gradient(1000px 400px at 85% -10%,#16414522,transparent),
                   radial-gradient(600px 300px at -5% 110%,#0E9F6E14,transparent)}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.02em;margin:18px 0}
.hero .lede{color:var(--on-ink-muted);font-size:17.5px;line-height:1.7;max-width:52ch;margin-bottom:30px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;margin-top:36px;font-family:var(--mono);font-size:12.5px;color:var(--on-ink-muted)}
.hero-meta strong{display:block;color:var(--on-ink);font-size:19px;font-variant-numeric:tabular-nums}
.terminal{background:#0A1920;border:1px solid #24485c;border-radius:12px;overflow:hidden;
  box-shadow:0 24px 60px -24px #00000090;font-family:var(--mono);font-size:13px}
.terminal-bar{display:flex;gap:6px;padding:11px 14px;border-bottom:1px solid #1c3a46;align-items:center}
.terminal-bar i{width:10px;height:10px;border-radius:50%;background:#28505c;display:inline-block}
.terminal-bar span{margin-left:8px;color:#5f838d;font-size:11px}
.terminal-body{padding:18px 18px 22px;line-height:1.9;color:#9fc4bb}
.terminal-body .cmd{color:#e8f4ef}
.terminal-body .ok{color:var(--accent)}
.terminal-body .dim{color:#527a74}
.cursor{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* cards */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.badge{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  padding:3px 10px;border-radius:999px;width:fit-content}
.badge-sale{background:var(--accent-soft);color:var(--accent-deep)}
.badge-rent{background:var(--amber-soft);color:var(--amber)}
.badge-free{background:#E8EEF3;color:#41586B}
.card h3{font-size:18.5px;font-weight:700}
.card .desc{color:var(--muted);font-size:14.5px;flex:1}
.price-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.price{font-family:var(--mono);font-weight:700;font-size:16px}
.price small{color:var(--muted);font-weight:400;font-size:12px}
.product-thumb{height:120px;border-radius:8px;background:linear-gradient(135deg,var(--ink-2),var(--ink-3));
  display:grid;place-items:center;color:#4f7a84;font-family:var(--mono);font-size:12px;letter-spacing:.1em;overflow:hidden}
.product-thumb img{width:100%;height:100%;object-fit:contain}

.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-34px;position:relative}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.feature .ico{width:36px;height:36px;flex:none;border-radius:8px;background:var(--accent-soft);color:var(--accent-deep);
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:14px}
.feature h3{font-size:15px;margin-bottom:3px}
.feature p{font-size:13.5px;color:var(--muted);line-height:1.55}

/* tools band */
.tools-band{background:var(--ink);color:var(--on-ink);border-radius:14px;padding:44px 48px;margin-top:64px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  background-image:radial-gradient(500px 260px at 100% 0%,#0E9F6E18,transparent)}
.tools-band h2{font-size:26px;font-weight:800;margin:14px 0 12px}
.tools-band p{color:var(--on-ink-muted);max-width:48ch}
.mini-typing{background:#0A1920;border:1px solid #24485c;border-radius:12px;padding:22px;font-family:var(--mono)}
.mini-typing .sample{font-size:16px;letter-spacing:.03em;line-height:1.8}
.t-done{color:var(--accent)}
.t-cur{background:var(--accent);color:#04231a;border-radius:2px;padding:0 1px}
.t-err{background:#7f1d1d;color:#fecaca;border-radius:2px}
.t-rest{color:#527a74}
.mini-stats{display:flex;gap:12px;margin-top:18px}
.stat-chip{background:#12252e;border:1px solid #24485c;border-radius:8px;padding:8px 14px;font-size:12px;color:#7fa39c}
.stat-chip strong{display:block;color:var(--on-ink);font-size:17px;font-variant-numeric:tabular-nums}

/* blog cards */
.post-card{padding:0;overflow:hidden}
.post-cover{aspect-ratio:1200/630;background:linear-gradient(135deg,#DCE9E4,#C4D8D1);display:grid;place-items:center;
  color:#6d8a84;font-family:var(--mono);font-size:11px;letter-spacing:.12em;overflow:hidden}
.post-cover img{width:100%;height:100%;object-fit:contain;display:block}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:9px}
.post-meta{font-family:var(--mono);font-size:11.5px;color:var(--faint);display:flex;gap:10px;flex-wrap:wrap}
.post-cat{color:var(--accent-deep);font-weight:600}
.post-card h3{font-size:17px;line-height:1.35}
.post-card .desc{font-size:14px}

/* page headers, filters */
.page-head{background:var(--ink);color:var(--on-ink);padding:52px 0}
.page-head h1{font-size:34px;font-weight:800;letter-spacing:-.015em;margin-top:12px}
.page-head p{color:var(--on-ink-muted);margin-top:10px;max-width:60ch}
.page-head a{color:var(--accent);font-weight:600}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0 26px}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 18px;font-size:13.5px;color:var(--muted);display:inline-block}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--on-ink);font-weight:600}
.chip:hover{border-color:var(--accent)}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:44px;font-family:var(--mono);font-size:13.5px}
.pg{min-width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--card);padding:0 10px}
.pg.active{background:var(--accent);border-color:var(--accent);color:#04231a;font-weight:700}

/* featured post */
.featured-post{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;background:var(--card);margin-bottom:26px}
.featured-post .post-cover{height:auto;min-height:240px;align-self:center}
.featured-post .post-body{padding:30px 34px;justify-content:center}
.featured-post h3{font-size:23px}

/* article */
.article{max-width:720px;margin:0 auto;padding:52px 24px 0}
.article h1{font-size:34px;font-weight:800;letter-spacing:-.015em;margin:14px 0 16px}
.article .byline{display:flex;gap:14px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:28px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#0B7F58);
  display:grid;place-items:center;color:#04231a;font-weight:700;font-size:13px;flex:none}
.article-cover{border-radius:12px;background:linear-gradient(135deg,#DCE9E4,#C4D8D1);
  display:grid;place-items:center;color:#6d8a84;font-family:var(--mono);font-size:12px;letter-spacing:.12em;margin-bottom:34px;overflow:hidden}
.article-cover img{width:100%;height:auto;display:block}
.prose{font-size:16.5px;line-height:1.85;color:#22363d}
.prose p{margin-bottom:20px}
.prose h2{font-size:22px;margin:34px 0 14px;letter-spacing:-.01em}
.prose h3{font-size:18px;margin:28px 0 12px}
.prose ul,.prose ol{margin:0 0 20px;padding-left:26px}
.prose li{margin-bottom:8px}
.prose a{color:var(--accent-deep);font-weight:600;text-decoration:underline}
.prose code{font-family:var(--mono);font-size:14px;background:#E7EEEC;border-radius:4px;padding:1px 6px}
.prose pre{background:var(--ink);color:#c9ded7;border-radius:10px;padding:18px 22px;overflow-x:auto;margin:0 0 20px}
.prose pre code{background:none;color:inherit;padding:0}
.prose img{border-radius:10px}
.prose blockquote{border-left:3px solid var(--accent);margin:0 0 20px;padding:4px 0 4px 20px;color:var(--muted)}
.ad-slot{border:1.5px dashed #B9C9C4;border-radius:10px;background:#EDF3F1;display:grid;place-items:center;
  padding:26px;margin:30px 0;text-align:center}
.ad-slot span{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#7d948e}
.share-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:36px;padding-top:22px;font-size:13.5px;color:var(--muted)}
.share-btn{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:7px 16px;font-size:13px;display:inline-block}

/* typing tutor */
.typing-shell{background:var(--ink);border:1px solid #24485c;border-radius:14px;padding:36px;color:var(--on-ink);margin-top:34px}
.typing-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.lesson-chips{display:flex;gap:8px;flex-wrap:wrap}
.lchip{font-family:var(--mono);font-size:12px;border:1px solid #2c525e;border-radius:999px;padding:5px 14px;color:#8fb0aa;background:transparent}
.lchip.active{background:var(--accent);border-color:var(--accent);color:#04231a;font-weight:700}
.lchip.done::after{content:' ✓'}
.typing-stats{display:flex;gap:12px}
.typing-text{font-family:var(--mono);font-size:21px;line-height:2;letter-spacing:.04em;background:#0A1920;
  border:1px solid #24485c;border-radius:10px;padding:26px 30px;margin-bottom:26px;min-height:110px;cursor:text;
  white-space:pre-wrap;overflow-wrap:break-word}
.typing-text.waiting{color:#527a74}
.keyboard{display:flex;flex-direction:column;gap:7px;align-items:center}
.krow{display:flex;gap:7px}
.key{min-width:44px;height:44px;display:grid;place-items:center;background:#12252e;border:1px solid #2a4c58;
  border-radius:7px;font-family:var(--mono);font-size:13px;color:#8fb0aa;padding:0 12px}
.key.next{background:var(--amber);border-color:var(--amber);color:#241302;font-weight:700;box-shadow:0 0 0 3px #B4530933}
.key.wide{min-width:76px;font-size:11px}
.key.space{min-width:280px}
.typing-note{margin-top:22px;font-size:13px;color:var(--on-ink-muted);font-family:var(--mono)}
.mode-tabs{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.mode-tab{font-family:var(--mono);font-size:13px;border:1px solid #2c525e;border-radius:8px;
  padding:9px 18px;color:#8fb0aa;background:transparent}
.mode-tab.active{background:var(--accent);border-color:var(--accent);color:#04231a;font-weight:700}
.lesson-tip{font-size:14px;color:var(--on-ink-muted);line-height:1.6;margin:0 0 16px;max-width:75ch}
.finger-label{font-family:var(--mono);font-size:13px;color:var(--amber);min-height:20px;
  margin:0 0 14px;text-align:center;letter-spacing:.04em}
.finger-label:empty::before{content:'\00a0'}
.hands-row{display:flex;gap:36px;justify-content:center;margin-top:18px}
.hand-box{display:flex;flex-direction:column;align-items:center;gap:4px}
.hand-box span{font-family:var(--mono);font-size:10.5px;color:#527a74;letter-spacing:.1em;text-transform:uppercase}
.hand{width:130px;height:auto}
.hf{fill:#12252e;stroke:#2a4c58;stroke-width:1.5;transition:fill .12s}
.hp{fill:#0f2029;stroke:#2a4c58;stroke-width:1.5}
.rain-field{position:relative;height:360px;background:#0A1920;border:1px solid #24485c;border-radius:10px;
  overflow:hidden;display:grid;place-items:center}
.rain-word{position:absolute;font-family:var(--mono);font-size:16px;letter-spacing:.05em;
  background:#12252e;border:1px solid #2a4c58;border-radius:6px;padding:3px 10px;color:#9fc4bb;white-space:nowrap}
.rain-word b{color:var(--accent);font-weight:700}
.rain-word.hit{border-color:var(--accent)}
.rain-start{z-index:2}
.rain-over{position:absolute;inset:0;background:#0a1920e6;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;text-align:center;z-index:3}
.rain-over h2{font-size:24px}
.rain-over p{color:var(--on-ink-muted)}
.result-panel{text-align:center;padding:30px 0 10px}
.result-panel h2{font-size:26px;margin-bottom:8px}
.result-panel p{color:var(--on-ink-muted);margin-bottom:22px}
.soon-tag{font-family:var(--mono);font-size:10.5px;color:var(--faint);border:1px dashed var(--line);border-radius:4px;padding:2px 8px;width:fit-content;letter-spacing:.08em}

/* forms */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;max-width:640px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--muted)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 13px;
  font-size:14.5px;font-family:inherit;background:#FAFCFB;color:var(--text)}
.field textarea{resize:vertical}
.field .errorlist{color:#B0483E;font-size:12.5px;list-style:none;margin:4px 0 0;padding:0}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;margin-top:36px}
.contact-aside .card{margin-bottom:16px}

/* cta strip */
.cta-strip{border:1px solid var(--line);background:var(--card);border-radius:14px;margin-top:64px;
  padding:40px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-strip h2{font-size:23px;font-weight:800;margin-top:8px}
.cta-strip p{color:var(--muted);margin-top:6px;max-width:52ch}

/* error pages */
.error-page{text-align:center;padding:100px 24px}
.error-page .code{font-family:var(--mono);font-size:70px;font-weight:700;color:var(--accent-deep)}
.error-page h1{font-size:28px;margin:10px 0 12px}
.error-page p{color:var(--muted);margin-bottom:26px}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:52px 24px 0}
.legal h1{font-size:32px;font-weight:800;margin:12px 0 6px}
.legal .updated{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin-bottom:30px}

/* responsive */
@media (max-width:900px){
  .hero .container,.tools-band,.featured-post,.contact-grid{grid-template-columns:1fr}
  .cards-3,.feature-strip{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink-2);
    flex-direction:column;padding:18px 24px;gap:14px;z-index:50;border-bottom:1px solid #24485c}
  .main-nav.open{display:flex}
  .site-header{position:relative}
  .header-cta{display:none}
}
@media (max-width:600px){
  .cards-3,.feature-strip,.cards-2{grid-template-columns:1fr}
  .key{min-width:30px;height:36px;font-size:11px}
  .key.space{min-width:120px}
  .hands-row{gap:16px}
  .hand{width:100px}
  .rain-field{height:300px}
  .tools-band,.cta-strip{padding:28px 24px}
  .typing-shell{padding:22px 16px}
  .typing-text{font-size:17px;padding:18px}
}