/* Inevitável — Design System 2026
 * Tech · Design · Nerd · Comportamento
 * Palette inspirada no logo radar verde
 */
:root{
  --bg:#05070a;
  --bg-elev:#0c1014;
  --bg-card:#10151b;
  --line:#1a2029;
  --line-strong:#2a3340;
  --text:#e7edf3;
  --text-dim:#9aa6b2;
  --text-faint:#5a6573;
  --accent:#5cff9e;           /* radar green neon */
  --accent-2:#00d46a;
  --accent-deep:#0b3c26;
  --warn:#ffd166;
  --red:#ff5c5c;
  --radius:14px;
  --radius-sm:8px;
  --font-serif:"Fraunces","Playfair Display",Georgia,serif;
  --font-sans:"Inter","Segoe UI",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Space Mono",ui-monospace,monospace;
  --maxw:1320px;
  --pad:clamp(16px,3vw,32px);
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,.8),0 8px 24px -8px rgba(92,255,158,.08);
  --shadow-glow:0 0 0 1px rgba(92,255,158,.25),0 0 40px -8px rgba(92,255,158,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings:"ss01","cv11";
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
}
html{overflow-x:hidden}
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(92,255,158,.08),transparent 60%),
    radial-gradient(900px 500px at -10% 20%,rgba(0,212,106,.05),transparent 60%);
  pointer-events:none;z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,4rem)}
h2{font-size:clamp(1.4rem,3vw,2.2rem)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);position:relative;z-index:1;overflow-x:hidden}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,7,10,.85);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;align-items:center;gap:24px;
  padding:14px var(--pad);max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:38px;height:38px;border-radius:50%;filter:drop-shadow(0 0 8px rgba(92,255,158,.45))}
.brand-word{
  font-family:var(--font-serif);font-weight:600;font-size:22px;letter-spacing:-.02em;
  background:linear-gradient(90deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-tag{font-family:var(--font-mono);font-size:9px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.2em;margin-top:-2px}
.header-search{flex:1;max-width:420px;margin-left:auto;position:relative}
.header-search input{
  width:100%;padding:10px 14px 10px 38px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:999px;
  color:var(--text);font-size:14px;outline:none;
}
.header-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(92,255,158,.12)}
.header-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);opacity:.5;width:16px;height:16px}
.header-date{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em;white-space:nowrap}
.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line)}
.nav-primary{border-top:1px solid var(--line);background:rgba(5,7,10,.6)}
.nav-primary ul{
  display:flex;gap:4px;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  list-style:none;overflow-x:auto;scrollbar-width:none;
}
.nav-primary ul::-webkit-scrollbar{display:none}
.nav-primary a{
  display:block;padding:12px 14px;font-size:13px;font-weight:500;
  color:var(--text-dim);white-space:nowrap;text-transform:uppercase;letter-spacing:.06em;
  border-bottom:2px solid transparent;
}
.nav-primary a:hover{color:var(--text);border-bottom-color:var(--accent)}
.nav-primary a.active{color:var(--accent);border-bottom-color:var(--accent)}

/* ============ HERO ============ */
.hero{
  padding:clamp(24px,4vw,48px) 0;
  display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(16px,2.5vw,32px);
  max-width:100%;overflow:hidden;
}
.hero-main{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:#000;min-height:480px;display:flex;align-items:flex-end;
  border:1px solid var(--line);
}
.hero-main img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .8s;
}
.hero-main:hover img{transform:scale(1.04)}
.hero-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.1) 0%,rgba(0,0,0,.4) 50%,rgba(5,7,10,.95) 100%);
}
.hero-main-content{position:relative;z-index:2;padding:clamp(20px,3vw,40px);max-width:760px;overflow-wrap:break-word;word-break:break-word}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  color:var(--accent);text-transform:uppercase;letter-spacing:.15em;
  padding:6px 10px;background:rgba(92,255,158,.08);border:1px solid rgba(92,255,158,.3);
  border-radius:999px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-main h1{
  font-size:clamp(1.8rem,3.6vw,3.2rem);line-height:1.05;color:#fff;
  text-shadow:0 2px 20px rgba(0,0,0,.5);
}
.hero-main p{margin-top:14px;font-size:clamp(14px,1.2vw,17px);color:var(--text-dim);max-width:620px}
.meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-family:var(--font-mono);font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em}
.meta span{display:flex;align-items:center;gap:6px}
.meta .dot{width:3px;height:3px;background:var(--text-faint);border-radius:50%}
.hero-side{display:grid;grid-template-rows:repeat(3,1fr);gap:16px}
.hero-card{
  display:grid;grid-template-columns:1.1fr 1fr;gap:14px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s,transform .2s;
}
.hero-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.hero-card .thumb{position:relative;overflow:hidden;background:#000;min-height:110px}
.hero-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-card .body{padding:12px 14px 12px 0;display:flex;flex-direction:column;justify-content:center}
.hero-card .cat{font-family:var(--font-mono);font-size:10px;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}
.hero-card h3{font-family:var(--font-serif);font-size:16px;line-height:1.25;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.hero-card time{font-family:var(--font-mono);font-size:10px;color:var(--text-faint);margin-top:8px;text-transform:uppercase;letter-spacing:.1em}

/* ============ SECTION HEADING ============ */
.section{padding:clamp(32px,5vw,64px) 0;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px;gap:20px;flex-wrap:wrap}
.section-title{display:flex;align-items:baseline;gap:14px}
.section-title h2{font-size:clamp(1.4rem,2.4vw,2rem)}
.section-title .num{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.2em}
.section-more{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;display:inline-flex;align-items:center;gap:6px}
.section-more:hover{color:var(--accent)}

/* ============ ARTICLE GRID ============ */
.grid{display:grid;gap:clamp(20px,2vw,28px)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-feature{grid-template-columns:2fr 1fr 1fr;grid-template-rows:1fr 1fr}
.grid-feature > :first-child{grid-row:1/3}

.card{
  display:flex;flex-direction:column;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .25s,transform .25s,box-shadow .25s;
  height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0a0d10}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card .cat{font-family:var(--font-mono);font-size:10px;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}
.card h3{font-family:var(--font-serif);font-size:clamp(16px,1.3vw,20px);line-height:1.25;font-weight:600;color:var(--text)}
.card .excerpt{margin-top:10px;font-size:13px;color:var(--text-dim);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:10px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em}

.card.feature .thumb{aspect-ratio:16/11}
.card.feature h3{font-size:clamp(20px,1.8vw,28px)}
.card.feature .excerpt{-webkit-line-clamp:3;font-size:14px}

/* ============ CATEGORY ROW (horizontal) ============ */
.cat-row{padding:28px 0;border-top:1px solid var(--line)}
.cat-row-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding:0 var(--pad);max-width:var(--maxw);margin-left:auto;margin-right:auto}
.cat-row-head h3{font-family:var(--font-serif);font-size:22px}
.cat-row-head h3 a:hover{color:var(--accent)}
.cat-row-scroll{display:flex;gap:18px;overflow-x:auto;padding:4px var(--pad) 20px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.cat-row-scroll::-webkit-scrollbar{height:6px}
.cat-row-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}
.cat-row .card{flex:0 0 300px;scroll-snap-align:start}

/* ============ CATEGORY PAGE ============ */
.cat-header{padding:clamp(40px,6vw,80px) 0 30px;border-bottom:1px solid var(--line)}
.cat-header .eyebrow{margin-bottom:16px}
.cat-header h1{font-size:clamp(2.5rem,6vw,5rem);font-weight:700}
.cat-header p{color:var(--text-dim);margin-top:14px;max-width:640px;font-size:17px}

/* ============ ARTICLE PAGE ============ */
.article-hero{padding:clamp(32px,5vw,64px) 0 clamp(20px,3vw,40px)}
.article-hero .eyebrow{margin-bottom:18px}
.article-hero h1{font-size:clamp(2rem,4.5vw,3.6rem);max-width:900px;letter-spacing:-.02em}
.article-hero .lede{margin-top:20px;font-size:clamp(16px,1.4vw,20px);color:var(--text-dim);max-width:760px;font-family:var(--font-serif);font-weight:400;font-style:italic}
.article-meta{margin-top:26px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:20px;flex-wrap:wrap;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em}
.article-meta .author{color:var(--accent)}
.article-feature-img{margin:clamp(20px,3vw,40px) 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.article-feature-img img{width:100%;max-height:640px;object-fit:cover}
.article-body{max-width:760px;margin:0 auto;font-size:18px;line-height:1.75;color:#dde4eb;font-family:var(--font-serif);font-weight:400}
.article-body p{margin:1.2em 0}
.article-body h2{font-size:1.8rem;margin:2em 0 .6em}
.article-body h3{font-size:1.4rem;margin:1.6em 0 .5em}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(92,255,158,.3)}
.article-body a:hover{border-bottom-color:var(--accent)}
.article-body img{border-radius:var(--radius-sm);margin:1.5em 0;border:1px solid var(--line)}
.article-body blockquote{border-left:3px solid var(--accent);padding:8px 0 8px 24px;margin:1.5em 0;color:var(--text);font-style:italic;font-size:1.2em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:1.2em 0}
.article-body li{margin:.4em 0}
.article-body iframe{max-width:100%;border-radius:var(--radius-sm);margin:1.5em 0}
.article-body strong{color:#fff}

.article-tags{max-width:760px;margin:40px auto 0;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-family:var(--font-mono);font-size:11px;color:var(--text-dim);
  padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-transform:uppercase;letter-spacing:.08em;
}
.tag:hover{color:var(--accent);border-color:var(--accent)}

.related{padding:64px 0;border-top:1px solid var(--line);margin-top:64px;background:var(--bg-elev)}

/* ============ FOOTER ============ */
.site-footer{margin-top:80px;border-top:1px solid var(--line);background:var(--bg-elev);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand p{color:var(--text-dim);font-size:14px;margin-top:14px;max-width:320px}
.footer-col h4{font-family:var(--font-mono);font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.15em;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-dim);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bar{padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em;flex-wrap:wrap;gap:12px}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero{grid-template-columns:1fr}
  .hero-main{min-height:360px}
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .grid-feature{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .grid-feature > :first-child{grid-row:auto;grid-column:1/3}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .grid-3,.grid-4,.grid-feature{grid-template-columns:1fr 1fr}
  .hero-card{grid-template-columns:1fr 1.2fr}
  .hero-card h3{font-size:14px;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
  .hero-card .body{padding:10px 12px 10px 0}
  .header-search{display:none}
  .header-date{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero-main{min-height:320px}
  .hero-main h1{font-size:1.6rem}
  .hero-main p{font-size:13px}
  .hero-side{gap:12px}
  .card h3{font-size:15px}
  .section-title h2{font-size:1.3rem}
}
@media (max-width:480px){
  .grid-3,.grid-4,.grid-feature{grid-template-columns:1fr}
  .hero{gap:16px}
  .hero-card{grid-template-columns:100px 1fr}
  .hero-card .thumb{min-height:90px}
  .hero-card h3{font-size:13px}
  .hero-card .cat{font-size:9px}
  .hero-main h1{font-size:1.25rem !important}
  .hero-main-content{padding:16px 28px 16px 20px !important}
  .hero-main p{font-size:12px;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
  .hero-main{min-height:260px;border-radius:0}
  .brand-word{font-size:18px}
  .eyebrow{font-size:9px;padding:4px 8px}
  .article-hero h1{font-size:1.5rem}
  .article-body{font-size:16px}
  .cat-header h1{font-size:1.8rem}
  .container{padding:0 14px}
  .hero-card .body{padding:8px 10px 8px 0}
  .hero-card h3{font-size:12px}
  .hero-card .cat{font-size:8px}
  .hero-card time{font-size:9px}
  .card .body{padding:14px 16px 16px}
  .card h3{font-size:14px}
  .meta{font-size:10px;gap:8px}
}

/* ============ UTIL ============ */
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:var(--accent);color:#000;padding:8px 14px;border-radius:6px;z-index:999}

/* Mobile overflow fix */
@media (max-width:500px){
  html,body{max-width:100vw;overflow-x:hidden}
  .site-header{max-width:100vw;overflow:hidden}
  .header-top{padding-left:14px;padding-right:14px}
  .nav-primary ul{padding-left:14px;padding-right:14px}
  .container{padding-left:14px;padding-right:14px;max-width:100vw}
  .hero{max-width:100%;overflow:hidden}
  .hero-main{max-width:100%;overflow:hidden;border:0;border-radius:0}
  .hero-main-content{padding:16px 20px 16px 14px !important;max-width:100%}
  .hero-main h1{font-size:1.2rem !important;word-break:break-word}
  .hero-side{max-width:100%;overflow:hidden}
  .hero-card .body{overflow:hidden}
  .hero-card h3{font-size:12px !important;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
  .cat-row-scroll{padding-left:14px;padding-right:14px}
}