/* Blog Carlos Lucas — mesmo sistema visual do site principal */
:root{
  --black:#000;--white:#fff;
  --ink-950:#050607;--ink-900:#0A0B0D;--ink-850:#101215;--ink-800:#16181C;--ink-750:#1C1F24;--ink-700:#24282E;--ink-600:#33383F;
  --slate-50:#F3F5F7;--slate-100:#E1E6EC;--slate-200:#C3CDD8;--slate-300:#A3AEBF;--slate-400:#8C98A7;--slate-500:#6C7B8C;
  --blue-200:#BFDCFF;--blue-300:#8EC2FF;--blue-400:#5AA7FF;--blue-500:#298DFF;--blue-600:#1673F0;--blue-700:#0B48C2;--blue-900:#021A4A;
  --gold-500:#C9A24B;
  --font:'Geist','TWK Everett','Helvetica Neue',Arial,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --grad-text:linear-gradient(90deg,#BFDCFF 0%,#8EC2FF 30%,#5AA7FF 62%,#298DFF 100%);
  --btn-gold:radial-gradient(140% 160% at 0% 0%,rgba(227,199,122,.8) 0%,rgba(201,162,75,.58) 24%,rgba(138,106,36,.5) 50%,rgba(40,30,8,.85) 78%),#0A0B0D;
  --btn-gold-h:radial-gradient(140% 160% at 0% 0%,rgba(236,212,146,.9) 0%,rgba(214,176,90,.68) 26%,rgba(150,116,40,.58) 52%,rgba(50,38,10,.85) 80%),#0A0B0D;
  --glass:rgba(16,22,34,.28);
  --card-bg:radial-gradient(130% 95% at 0% 0%,rgba(255,255,255,.07) 0%,rgba(195,205,216,.03) 30%,rgba(0,0,0,0) 70%),var(--ink-900);
  --r1:6px;--r2:10px;--r3:16px;--r4:24px;
  --wrap:1240px;--pad:clamp(20px,4vw,40px);
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--black);color:var(--slate-200);font:400 17px/1.6 var(--font);letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{color:var(--white);font-weight:550;letter-spacing:-.028em;line-height:1.12;margin:0}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--white);color:var(--black);padding:8px 14px;border-radius:8px}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap-narrow{max-width:calc(760px + 2*var(--pad));margin:0 auto;padding:0 var(--pad)}
.mono,.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-400);font-weight:500}
.kicker{display:inline-block;color:var(--blue-300)}
.grad{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:16px;font:500 15px/1 var(--font);letter-spacing:-.01em;text-decoration:none;color:var(--white);border:1px solid rgba(255,255,255,.16);transition:background .22s var(--ease),border-color .22s,transform .22s var(--ease);white-space:nowrap;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--btn-gold);border-color:rgba(227,199,122,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 18px 40px -24px rgba(201,162,75,.7)}
.btn-gold:hover{background:var(--btn-gold-h)}
.btn-ghost{background:rgba(255,255,255,.04);backdrop-filter:blur(12px)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.28)}
.btn-sm{min-height:38px;padding:0 15px;font-size:14px;border-radius:12px}

/* Cabeçalho */
.hdr{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--ink-600)}
.hdr-bar{display:flex;align-items:center;gap:28px;height:64px}
.brand img{height:34px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{font-size:13.5px;color:var(--slate-200);text-decoration:none;padding:8px 12px;border-radius:10px;transition:color .2s,background .2s}
.nav a:hover{color:var(--white);background:rgba(255,255,255,.05)}
.nav a[aria-current]{color:var(--white);background:rgba(255,255,255,.08)}
.hdr-cta{font-size:13.5px}
.menu-m{display:none;margin-left:auto;position:relative}
.menu-m summary{list-style:none;cursor:pointer;width:42px;height:42px;border-radius:12px;border:1px solid var(--ink-600);display:grid;place-content:center;gap:6px}
.menu-m summary::-webkit-details-marker{display:none}
.menu-m summary span{display:block;width:18px;height:1.5px;background:var(--white);transition:transform .2s}
.menu-m[open] summary span:first-child{transform:translateY(3.75px) rotate(45deg)}
.menu-m[open] summary span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
.menu-m-panel{position:absolute;right:0;top:54px;width:min(86vw,320px);background:var(--ink-900);border:1px solid var(--ink-600);border-radius:var(--r3);padding:10px;display:grid;gap:2px;box-shadow:0 30px 60px -20px #000}
.menu-m-panel a{padding:12px 14px;border-radius:10px;text-decoration:none;color:var(--slate-100)}
.menu-m-panel a[aria-current]{background:rgba(255,255,255,.07);color:var(--white)}
.menu-m-panel .btn{margin-top:8px;color:var(--white)}
@media (max-width:1020px){.nav,.hdr-cta{display:none}.menu-m{display:block}}

/* Hero */
.hero{position:relative;padding:clamp(56px,9vw,112px) 0 clamp(32px,5vw,56px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -10% auto -20%;height:130%;background:radial-gradient(60% 60% at 15% 20%,rgba(41,141,255,.30) 0%,rgba(11,72,194,.16) 38%,rgba(0,0,0,0) 72%);pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(40px,6.4vw,84px);font-weight:500;letter-spacing:-.04em;line-height:1.02;max-width:14ch;margin:14px 0 22px}
.hero .lead{font-size:clamp(17px,1.6vw,20px);color:var(--slate-300);max-width:56ch}
.hero-sm h1{font-size:clamp(36px,5vw,64px);max-width:20ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--slate-500)}
.crumbs a{color:var(--blue-300);text-decoration:none}
.crumbs a:hover{color:var(--white)}

.search{position:relative;margin-top:32px;max-width:440px}
.search svg{position:absolute;left:16px;top:50%;width:18px;height:18px;transform:translateY(-50%);fill:none;stroke:var(--slate-400);stroke-width:2;stroke-linecap:round}
.search input{width:100%;height:50px;padding:0 18px 0 46px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--ink-600);color:var(--white);font:inherit;font-size:15px;transition:border-color .2s,background .2s}
.search input::placeholder{color:var(--slate-500)}
.search input:focus{outline:none;border-color:var(--blue-500);background:rgba(41,141,255,.06)}

/* Categorias */
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 28px;scrollbar-width:none;margin-bottom:8px;border-bottom:1px solid var(--ink-700)}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:none;padding:9px 16px;border-radius:999px;border:1px solid var(--ink-600);font-size:14px;text-decoration:none;color:var(--slate-200);transition:all .2s}
.chips a:hover{border-color:var(--slate-500);color:var(--white)}
.chips a[aria-current]{background:var(--white);border-color:var(--white);color:var(--black);font-weight:500}

/* Cards */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:56px 0 24px}
.sec-head h2{font-size:clamp(24px,2.4vw,32px)}
.sec-head a{font-size:14px;color:var(--blue-300);text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid{grid-template-columns:1fr}}
.card{position:relative;display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--ink-700);border-radius:var(--r3);overflow:hidden;transition:border-color .25s,transform .35s var(--ease),box-shadow .35s}
.card:hover{border-color:var(--ink-600);transform:translateY(-3px);box-shadow:0 30px 60px -30px rgba(41,141,255,.25)}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card-media img{transform:scale(1.035)}
.card-ph{display:grid;place-items:center;width:100%;height:100%;background:radial-gradient(120% 120% at 0% 0%,rgba(41,141,255,.35) 0%,rgba(11,72,194,.2) 35%,rgba(10,11,13,0) 75%),var(--ink-850)}
.card-ph span{font-size:72px;font-weight:600;color:rgba(255,255,255,.14);letter-spacing:-.05em}
.card-body{display:flex;flex-direction:column;gap:10px;padding:22px 22px 24px;flex:1}
.card-title{font-size:20px;line-height:1.25;letter-spacing:-.02em}
.card-title a{text-decoration:none}
.card-title a::after{content:"";position:absolute;inset:0}
.card-excerpt{font-size:15px;color:var(--slate-400);line-height:1.55}
.card-meta{margin-top:auto;padding-top:8px;display:flex;gap:8px;font-size:13px;color:var(--slate-500)}

.feature-wrap{margin-top:36px}
.card.feature{display:grid;grid-template-columns:1.35fr 1fr;border-radius:var(--r4)}
.card.feature .card-media{aspect-ratio:auto;min-height:420px}
.card.feature .card-body{padding:clamp(28px,4vw,52px);justify-content:center;gap:16px}
.card.feature .card-title{font-size:clamp(28px,3.2vw,42px);line-height:1.08;letter-spacing:-.035em}
.card.feature .card-excerpt{font-size:17px;color:var(--slate-300)}
.card.feature .card-meta{margin-top:0}
.card.feature .btn{align-self:flex-start;position:relative;z-index:2;margin-top:8px}
@media (max-width:900px){.card.feature{grid-template-columns:1fr}.card.feature .card-media{min-height:0;aspect-ratio:16/9}}

/* Mais lidos */
.popular ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;border-top:1px solid var(--ink-700)}
.popular li{display:flex;gap:16px;padding:22px 20px 22px 0;border-bottom:1px solid var(--ink-700)}
.popular .num{font:500 28px/1 var(--mono);color:var(--ink-600);letter-spacing:-.04em}
.popular a{display:block;margin-top:6px;color:var(--white);text-decoration:none;font-weight:500;line-height:1.3}
.popular a:hover{color:var(--blue-300)}

.pager{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--ink-700)}
.pager a{color:var(--white);text-decoration:none;padding:10px 16px;border:1px solid var(--ink-600);border-radius:12px;font-size:14px}
.pager a:hover{border-color:var(--slate-500)}
.pager-n{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--slate-500)}

.empty{padding:72px 0;text-align:center;display:grid;gap:14px;justify-items:center}
.empty h2{font-size:clamp(24px,3vw,34px);max-width:22ch}
.empty a{color:var(--blue-300)}

/* Chamada */
.cta-band{padding:clamp(72px,9vw,120px) 0}
.cta-box{display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;padding:clamp(28px,5vw,56px);border-radius:var(--r4);border:1px solid rgba(90,167,255,.22);background:radial-gradient(130% 120% at 0% 0%,rgba(41,141,255,.32) 0%,rgba(11,72,194,.18) 35%,rgba(2,26,74,.15) 60%,rgba(10,11,13,0) 85%),var(--ink-900);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.cta-box h2{font-size:clamp(26px,3vw,40px);margin:10px 0 12px;max-width:20ch}
.cta-box p:not(.kicker){color:var(--slate-300);max-width:52ch}
.cta-actions{display:flex;flex-direction:column;gap:12px}
@media (max-width:820px){.cta-box{grid-template-columns:1fr}.cta-actions{flex-direction:row;flex-wrap:wrap}}

/* Artigo */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue-500),var(--blue-200));transition:width .1s linear}
.preview-bar{background:var(--gold-500);color:#1a1405;text-align:center;padding:10px;font-size:14px;font-weight:500}
.preview-bar a{color:#1a1405}
.art-head{padding-top:clamp(40px,7vw,88px);padding-bottom:36px}
.art-head h1{font-size:clamp(34px,5.2vw,62px);font-weight:550;letter-spacing:-.04em;line-height:1.04;margin:18px 0 20px;text-wrap:balance}
.art-head .lead{font-size:clamp(18px,1.8vw,22px);line-height:1.5;color:var(--slate-300);text-wrap:pretty}
.byline{display:flex;align-items:center;gap:14px;margin-top:28px;padding-top:24px;border-top:1px solid var(--ink-700)}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:var(--ink-800);border:1px solid var(--ink-600)}
.byline strong{display:block;color:var(--white);font-weight:500;font-size:15px}
.byline span{font-size:14px;color:var(--slate-400)}
.art-cover{margin:0 auto 8px;max-width:calc(1200px + 2*var(--pad))}
.art-cover img{width:100%;border-radius:var(--r4);border:1px solid var(--ink-700);aspect-ratio:16/9;object-fit:cover}
.art-layout{display:grid;grid-template-columns:1fr minmax(0,760px) 1fr;gap:32px;padding-top:48px;max-width:calc(1200px + 2*var(--pad))}
.art-side{grid-column:1;justify-self:end}
.prose{grid-column:2}
.share{position:sticky;top:100px;display:flex;flex-direction:column;align-items:center;gap:10px}
.share .mono{writing-mode:vertical-rl;transform:rotate(180deg);font-size:11px;margin-bottom:6px}
.share a,.share button{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--ink-600);background:transparent;color:var(--slate-200);cursor:pointer;transition:all .2s}
.share a:hover,.share button:hover{color:var(--white);border-color:var(--slate-400);background:rgba(255,255,255,.05)}
.share svg{width:18px;height:18px;fill:currentColor}
.share button.copied{border-color:var(--blue-500);color:var(--blue-300)}
@media (max-width:1100px){
  .art-layout{grid-template-columns:minmax(0,760px);justify-content:center}
  .art-side{grid-column:1;grid-row:2;justify-self:start}
  .prose{grid-column:1;grid-row:1}
  .share{position:static;flex-direction:row}
  .share .mono{writing-mode:horizontal-tb;transform:none;margin:0 6px 0 0}
}

.prose{font-size:clamp(17.5px,1.3vw,19px);line-height:1.78;color:var(--slate-100)}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:clamp(26px,2.5vw,32px);margin-top:2.1em;line-height:1.18}
.prose h3{font-size:clamp(21px,1.9vw,24px);margin-top:1.8em}
.prose h2+*,.prose h3+*{margin-top:.7em}
.prose a{color:var(--blue-300);text-decoration:underline;text-decoration-color:rgba(90,167,255,.4);text-underline-offset:3px}
.prose a:hover{text-decoration-color:currentColor}
.prose strong,.prose b{color:var(--white);font-weight:600}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--blue-400)}
.prose blockquote{margin:2em 0;padding:4px 0 4px 28px;border-left:2px solid var(--gold-500);font-size:clamp(22px,2.2vw,28px);line-height:1.38;letter-spacing:-.02em;color:var(--white);font-weight:450}
.prose img{border-radius:var(--r3);border:1px solid var(--ink-700);margin:2em auto}
.prose hr{border:0;height:1px;background:var(--ink-700);margin:3em 0}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--ink-800);padding:2px 6px;border-radius:6px}
.prose pre{background:var(--ink-850);border:1px solid var(--ink-700);border-radius:var(--r2);padding:18px;overflow-x:auto}
.prose .video{position:relative;aspect-ratio:16/9;border-radius:var(--r3);overflow:hidden;border:1px solid var(--ink-700);margin:2em 0}
.prose .video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.prose p:empty{display:none}
.toc{margin-bottom:2em;padding:20px 24px;border:1px solid var(--ink-700);border-radius:var(--r3);background:var(--ink-900);font-size:15.5px}
.toc summary{cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-400)}
.toc ol{margin:12px 0 0;padding-left:1.2em}
.toc a{color:var(--slate-200);text-decoration:none}
.toc a:hover{color:var(--white)}

.art-foot{padding-top:56px}
.author-box{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:28px;border-radius:var(--r4);border:1px solid var(--ink-700);background:var(--card-bg)}
.author-box img{width:88px;height:88px;border-radius:50%;object-fit:cover;border:1px solid var(--ink-600);background:var(--ink-800)}
.author-box h2{font-size:24px;margin:6px 0 2px}
.author-box .role{font-size:14px;color:var(--slate-400);margin-bottom:12px}
.author-box p:not(.kicker):not(.role){font-size:15.5px;color:var(--slate-300)}
.author-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
@media (max-width:560px){.author-box{grid-template-columns:1fr}}
.related{padding-top:24px}

/* Rodapé */
.foot{margin-top:24px;background:#0D0E11;border-top:1px solid var(--ink-700);border-radius:40px 40px 0 0;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px}
.foot-brand img{height:44px;width:auto}
.foot-brand p{margin-top:16px;color:var(--slate-400);font-size:15px}
.foot-col{display:flex;flex-direction:column;gap:10px}
.foot-col .mono{margin-bottom:4px}
.foot-col a{color:var(--slate-200);text-decoration:none;font-size:14.5px}
.foot-col a:hover{color:var(--white)}
.foot-base{display:flex;justify-content:space-between;gap:16px;margin-top:56px;padding-top:22px;border-top:1px solid var(--ink-700);font-size:13px;color:var(--slate-500)}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}.foot-base{flex-direction:column}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}