:root{--fs:20px;--bg:#fff;--ink:#1d2733;--muted:#6b7785;--line:#e7eaee;--accent:#1f5f99;--btn:#091F35;--btnf:#fff;--field:#f6f8fa;--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:Figtree,system-ui,sans-serif;color-scheme:light}
[data-theme=sepia]{--bg:#f4ecd8;--ink:#3b2f1e;--muted:#7d6c53;--line:#e2d6ba;--accent:#8a4b12;--field:#efe5cb}
[data-theme=dark]{--bg:#121417;--ink:#e4e7eb;--muted:#9aa4af;--line:#262b31;--accent:#7db6e8;--btn:#61A2D8;--btnf:#091F35;--field:#1a1e23;color-scheme:dark}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg:#121417;--ink:#e4e7eb;--muted:#9aa4af;--line:#262b31;--accent:#7db6e8;--btn:#61A2D8;--btnf:#091F35;--field:#1a1e23;color-scheme:dark}}
*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--sans);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}
.col{max-width:42rem;margin:0 auto;padding-left:20px;padding-right:20px}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
h1,h2,h3,p{margin:0}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;padding-bottom:22px;font-size:.92rem}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand img{border-radius:7px}.brand b{font-weight:600}.brand span{color:var(--muted);padding-left:10px;border-left:1px solid var(--line)}
.top nav{display:flex;align-items:center;gap:18px}.home{color:var(--muted);text-decoration:none}.home:hover{color:var(--ink)}
.ctl{display:flex;align-items:center;gap:4px}.ctl button{font:500 .85rem var(--sans);background:none;border:0;color:var(--muted);cursor:pointer;padding:4px 6px;border-radius:6px}.ctl button:hover{color:var(--ink)}
.dot{width:18px;height:18px;padding:0!important;border-radius:50%!important;border:1px solid var(--line)!important}.dot.l{background:#fff}.dot.s{background:#f4ecd8}.dot.d{background:#121417}
article,.home main{padding-bottom:24px}
.k{font-size:.82rem;color:var(--muted);letter-spacing:.02em;margin:28px 0 14px}
article h1{font:700 clamp(2rem,6vw,2.7rem)/1.15 var(--serif);letter-spacing:-.015em}
.meta{color:var(--muted);font-size:.92rem;margin:18px 0 36px}
.prose{font:400 var(--fs)/1.75 var(--serif)}.prose p{margin:0 0 1.15em}.prose .lead{color:var(--muted);font-style:italic}
.prose h2{font:600 1.3em/1.3 var(--serif);margin:1.9em 0 .5em}
.share{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;border-top:1px solid var(--line);padding-top:20px;margin-top:40px;font-size:.9rem}.share span{color:var(--muted)}
.share a,.share button{font:500 .9rem var(--sans);color:var(--accent);background:none;border:0;padding:0;cursor:pointer;text-decoration:none}.share a:hover,.share button:hover{text-decoration:underline}
.cta{margin:36px 0;padding:22px 0;border-block:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between}.cta p{flex:1 1 280px}
.btn{display:inline-flex;justify-content:center;font:600 .92rem var(--sans);background:var(--btn);color:var(--btnf);border:0;border-radius:8px;padding:.7rem 1.3rem;text-decoration:none;cursor:pointer}.btn:hover{opacity:.9}.btn:disabled{opacity:.6}
.nl{display:grid;gap:12px;margin:12px 0 8px;max-width:26rem}.nl h3{font:600 1.05rem var(--sans)}.nl p{color:var(--muted);font-size:.92rem}
.nl label{display:grid;gap:4px;font-size:.85rem;font-weight:500}.nl input:not([type=checkbox]){font:400 1rem var(--sans);padding:.65rem .8rem;border:1px solid var(--line);border-radius:8px;background:var(--field);color:var(--ink)}
.nl .chk{display:flex;gap:8px;align-items:flex-start;font-weight:400;color:var(--muted);font-size:.8rem}.nl .msg{min-height:1.3em;font-weight:500;color:var(--ink)}
.note{color:var(--muted);font-size:.8rem;margin-top:28px}
.pt{font:700 2.4rem/1.1 var(--serif);margin:28px 0 8px}.sub{color:var(--muted);margin-bottom:28px}
.posts{list-style:none;margin:0 0 44px;padding:0}.posts li{border-top:1px solid var(--line)}.posts a{display:block;text-decoration:none;padding:24px 0}
.posts .k{margin:0 0 8px}.posts h2{font:600 1.4rem/1.25 var(--serif)}.posts a:hover h2{color:var(--accent)}.posts p{color:var(--muted);margin-top:8px;font-size:.98rem}
.foot{display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:space-between;color:var(--muted);font-size:.8rem;padding-top:28px;padding-bottom:36px;border-top:1px solid var(--line);margin-top:24px}
@media(max-width:520px){.brand span{display:none}.prose{line-height:1.7}}
@media print{.top,.share,.cta,.nl,.foot{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Home em cards */
.home .col{max-width:68rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;margin:8px 0 52px}
.card{display:flex;flex-direction:column;background:var(--field);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(9,31,53,.14)}
.cover{background:linear-gradient(135deg,#091F35,#14406b);aspect-ratio:16/8;display:grid;place-items:center}
.ic{width:52px;height:52px;stroke:#61A2D8;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.cb{padding:20px 22px 22px;display:grid;gap:10px;align-content:start}
.cb h2{font:600 1.2rem/1.3 var(--serif)}.card:hover h2{color:var(--accent)}.cb p{color:var(--muted);font-size:.95rem}.cb small{color:var(--muted);font-size:.82rem}
.tag{justify-self:start;font-size:.75rem;font-weight:600;padding:.15rem .65rem;border:1px solid var(--line);border-radius:99px;color:var(--ink);background:var(--bg)}
.home .nl{max-width:30rem;margin:0 auto 24px;padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--field)}
.home .nl input:not([type=checkbox]){background:var(--bg)}