/* ============================================================
   Scan Rápido Blog — Design System
   Palette: ink blue / cyan scanline / off-white / slate / green
   Type: Space Grotesk (display), Inter (body), JetBrains Mono (data)
   ============================================================ */

:root{
  --ink:#0F2940;
  --ink-2:#163554;
  --cyan:#00C2D1;
  --cyan-dark:#0098A6;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --slate:#5A6B7D;
  --slate-light:#8C9AAB;
  --green:#2BB673;
  --amber:#F5A623;
  --border:#E3E8ED;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 24px rgba(15,41,64,.07);
  --shadow-hover:0 8px 32px rgba(15,41,64,.12);
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;
  line-height:1.18;
  color:var(--ink);
  letter-spacing:-.01em;
}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}
h2{font-size:clamp(1.4rem,3vw,2rem);margin:2.5rem 0 1rem}
h3{font-size:clamp(1.1rem,2.4vw,1.4rem);margin:1.6rem 0 .7rem}
p{margin:0 0 1rem;color:#33424F}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Skip link / focus */
a:focus-visible,button:focus-visible,.btn:focus-visible{
  outline:3px solid var(--cyan);outline-offset:2px;
}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
  padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:200;
}
.skip-link:focus{left:0}

/* ===================== HEADER ===================== */
.site-header{
  background:var(--ink);
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.scanline{
  height:3px;width:100%;
  background:linear-gradient(90deg,transparent 0%, var(--cyan) 18%, #6FF1FA 50%, var(--cyan) 82%, transparent 100%);
  background-size:200% 100%;
  animation:scan 5s linear infinite;
}
@keyframes scan{0%{background-position:0% 0}100%{background-position:200% 0}}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem;
  color:#fff;letter-spacing:-.02em;
}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-dark));
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;color:var(--ink);font-weight:800;
  flex:none;
}
.logo span{color:var(--cyan)}
nav.main-nav{display:flex;gap:22px;flex-wrap:wrap}
nav.main-nav a{
  color:#C9D6E2;font-size:.92rem;font-weight:500;
  padding:6px 0;border-bottom:2px solid transparent;
}
nav.main-nav a:hover{color:#fff;text-decoration:none;border-color:var(--cyan)}
.nav-toggle{display:none}

@media(max-width:760px){
  nav.main-nav{
    display:none;flex-direction:column;gap:0;
    position:absolute;top:100%;left:0;right:0;
    background:var(--ink-2);padding:8px 20px 16px;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  nav.main-nav.open{display:flex}
  nav.main-nav a{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-toggle{
    display:flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.15);
    background:transparent;color:#fff;font-size:1.3rem;cursor:pointer;
  }
}

/* ===================== BREADCRUMB ===================== */
.breadcrumb{
  font-size:.82rem;color:var(--slate-light);
  padding:14px 0 0;
}
.breadcrumb a{color:var(--slate);}
.breadcrumb .sep{margin:0 6px;color:var(--slate-light)}

/* ===================== HERO ===================== */
.hero{padding:32px 0 12px}
.hero .container{max-width:var(--max);margin:0 auto;padding:0 20px}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan-dark);background:#E6FAFC;
  padding:5px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.hero h1{margin-bottom:14px;max-width:820px}
.hero .lede{font-size:1.08rem;color:var(--slate);max-width:760px}
.hero-meta{
  display:flex;gap:18px;flex-wrap:wrap;margin:18px 0 0;
  font-size:.85rem;color:var(--slate-light);font-family:'JetBrains Mono',monospace;
}
.hero-meta span{
  background:var(--card);border:1px solid var(--border);border-radius:999px;
  padding:6px 14px;
}

/* ===================== ARTICLE LAYOUT ===================== */
.article-layout{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;
  padding:28px 20px 60px;align-items:start;
}
@media(max-width:900px){.article-layout{grid-template-columns:minmax(0,1fr)}}

.article-body p{font-size:1.02rem}
.article-body ul, .article-body ol{margin:0 0 1.1rem 1.3rem;color:#33424F}
.article-body li{margin-bottom:.45rem}
.article-body strong{color:var(--ink)}

/* ===================== SIDEBAR ===================== */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:90px}
@media(max-width:900px){.sidebar{position:static;top:auto}}
.side-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
}
.side-card h4{font-size:.95rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.side-card ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.side-card ul a{font-size:.88rem;color:var(--ink);font-weight:500}
.side-card ul a:hover{color:var(--cyan-dark)}

/* ===================== PRODUCT CARD ===================== */
.product-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:0;margin:24px 0;
  box-shadow:var(--shadow);transition:box-shadow .2s, transform .2s;
  display:grid;grid-template-columns:180px 1fr;gap:0;overflow:hidden;
}
.product-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.pc-media{
  background:linear-gradient(160deg,#F1FBFC,#E9F7F9);
  display:flex;align-items:center;justify-content:center;
  padding:14px;border-right:1px solid var(--border);
}
.pc-illustration{width:100%;height:auto;max-width:170px}
.pc-content{padding:20px 22px}
@media(max-width:560px){
  .product-card{grid-template-columns:1fr}
  .pc-media{border-right:none;border-bottom:1px solid var(--border);padding:18px}
  .pc-illustration{max-width:140px}
}
.product-card .pc-head{
  display:flex;justify-content:space-between;align-items:flex-start;
  gap:12px;flex-wrap:wrap;margin-bottom:10px;
}
.product-card h3{margin:0}
.price-tag{
  font-family:'JetBrains Mono',monospace;font-weight:700;
  font-size:1.3rem;color:var(--green);white-space:nowrap;
}
.price-tag small{display:block;font-size:.68rem;color:var(--slate-light);font-weight:500;font-family:'Inter',sans-serif}
.stars{
  display:flex;align-items:center;gap:6px;font-size:.88rem;color:var(--amber);
  font-family:'JetBrains Mono',monospace;font-weight:600;margin-bottom:12px;
}
.stars .count{color:var(--slate-light);font-weight:400}
.pc-tags{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.tag{
  font-size:.74rem;font-weight:600;padding:4px 10px;border-radius:999px;
  background:#EAF6FF;color:var(--ink-2);border:1px solid #D6EEFB;
}
.tag.best{background:#E6FAF0;color:var(--green);border-color:#CDEFDE}
.tag.warn{background:#FFF6E5;color:#B5790A;border-color:#FBE7BE}

/* ===================== CTA BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-family:'Space Grotesk',sans-serif;
  padding:14px 24px;border-radius:999px;border:none;
  cursor:pointer;font-size:.95rem;transition:transform .15s, box-shadow .15s;
  letter-spacing:.01em;text-align:center;line-height:1.3;flex-wrap:wrap;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--cyan-dark));
  color:var(--ink);box-shadow:0 4px 16px rgba(0,194,209,.35);
}
.btn-primary:hover{box-shadow:0 6px 22px rgba(0,194,209,.5)}
.btn-secondary{
  background:transparent;color:var(--ink);border:1.5px solid var(--border);
}
.btn-secondary:hover{border-color:var(--cyan-dark);color:var(--cyan-dark)}
.btn-block{width:100%}
.btn small{font-weight:400;opacity:.8;font-family:'Inter',sans-serif;display:block;width:100%;font-size:.78rem}

/* ===================== COMPARISON TABLE ===================== */
.compare-wrap{overflow-x:auto;margin:22px 0;border-radius:var(--radius);box-shadow:var(--shadow);}
table.compare{
  width:100%;border-collapse:collapse;background:var(--card);
  min-width:560px;font-size:.92rem;
}
table.compare th, table.compare td{
  padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);
}
table.compare thead th{
  background:var(--ink);color:#fff;font-family:'Space Grotesk',sans-serif;
  font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;
  position:relative;
}
table.compare thead tr:first-child th::after{content:'';display:block}
table.compare tbody tr:nth-child(even){background:#FAFCFE}
table.compare td.win{color:var(--green);font-weight:700}
table.compare td.price{font-family:'JetBrains Mono',monospace;font-weight:600;color:var(--ink-2)}
table.compare tbody tr:hover{background:#EFFBFD}

/* ===================== CALLOUTS ===================== */
.callout{
  border-radius:var(--radius);padding:18px 20px;margin:22px 0;
  border-left:4px solid var(--cyan);background:#F1FBFC;
}
.callout.tip{border-color:var(--green);background:#F1FBF6}
.callout.warn{border-color:var(--amber);background:#FFFAF0}
.callout h4{margin:0 0 6px;font-size:.95rem}
.callout p:last-child{margin-bottom:0}

/* ===================== FAQ ===================== */
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item summary{
  font-family:'Space Grotesk',sans-serif;font-weight:600;cursor:pointer;
  font-size:1rem;display:flex;justify-content:space-between;align-items:center;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.4rem;color:var(--cyan-dark);font-weight:400}
.faq-item[open] summary::after{content:'–'}
.faq-item p{margin-top:10px}

/* ===================== RELATED / GRID ===================== */
.related-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));
  gap:18px;margin:24px 0;
}
.mini-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px;transition:box-shadow .2s, transform .2s;display:flex;flex-direction:column;gap:6px;
}
.mini-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.mini-card .mc-eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--cyan-dark);
  text-transform:uppercase;letter-spacing:.08em;font-weight:700;
}
.mini-card h4{font-size:1rem;margin:0}
.mini-card p{font-size:.86rem;color:var(--slate);margin:0}
.mini-card a.mc-link{font-size:.85rem;font-weight:700;color:var(--ink-2);margin-top:auto}

/* ===================== STICKY MOBILE CTA ===================== */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:var(--card);border-top:1px solid var(--border);
  box-shadow:0 -6px 24px rgba(15,41,64,.12);
  padding:10px 16px;display:none;
  align-items:center;justify-content:space-between;gap:12px;
}
@media(max-width:760px){.sticky-cta{display:flex}}
.sticky-cta .sc-info{font-size:.8rem;line-height:1.2}
.sticky-cta .sc-price{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--green);font-size:1.05rem}
.sticky-cta .btn{padding:11px 18px;font-size:.85rem;white-space:nowrap}
body.has-sticky-cta{padding-bottom:64px}

/* ===================== FOOTER ===================== */
.site-footer{
  background:var(--ink);color:#C9D6E2;margin-top:60px;
}
.footer-inner{
  max-width:var(--max);margin:0 auto;padding:48px 20px 24px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
}
@media(max-width:760px){.footer-inner{grid-template-columns:1fr 1fr}}
.site-footer h5{
  color:#fff;font-family:'Space Grotesk',sans-serif;font-size:.9rem;
  margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em;
}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.site-footer a{color:#A9BBCB;font-size:.86rem}
.site-footer a:hover{color:var(--cyan)}
.footer-brand p{color:#A9BBCB;font-size:.88rem;max-width:280px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  text-align:center;padding:18px 20px;font-size:.78rem;color:#7E92A6;
}
.footer-bottom a{color:#A9BBCB}

/* ===================== AFFILIATE DISCLOSURE ===================== */
.disclosure{
  font-size:.78rem;color:var(--slate-light);background:#EEF3F7;
  border-radius:var(--radius-sm);padding:12px 16px;margin:24px 0;
}

/* ===================== INDEX / HOME ===================== */
#main{max-width:var(--max);margin:0 auto;padding:36px 20px 60px}
.cat-grid-section h2,
.post-section h2{font-family:'Space Grotesk',sans-serif}
.cat-grid-section{margin-bottom:8px}
.home-hero{
  background:var(--ink);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden;
}
.home-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%, rgba(0,194,209,.18), transparent 55%);
}
.home-hero .container{position:relative}
.home-hero h1{color:#fff;max-width:760px}
.home-hero p.lede{color:#C9D6E2;max-width:640px;font-size:1.08rem}
.home-hero .eyebrow{background:rgba(0,194,209,.12);color:var(--cyan)}

.cat-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;margin:30px 0;
}
.cat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:box-shadow .2s, transform .2s, border-color .2s;
  display:flex;flex-direction:column;gap:4px;text-decoration:none;
}
.cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--cyan)}
.cat-card .cat-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#E6FAFC,#D6F4F7);font-size:1.4rem;margin-bottom:10px;
}
.cat-card h3{margin:0 0 4px;font-size:1.1rem;color:var(--ink)}
.cat-card p{font-size:.88rem;color:var(--slate);margin-bottom:10px}
.cat-card .cat-count{
  font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--cyan-dark);
  text-transform:uppercase;letter-spacing:.08em;font-weight:700;margin-top:auto;
}

.section-divider{
  height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);
  margin:40px 0;
}

/* Post list (index, grouped by category) */
.post-section{margin:36px 0}
.post-section h2{
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
  padding-bottom:10px;border-bottom:1px solid var(--border);
}
.post-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:0;padding:0}
.post-item a{
  display:flex;flex-direction:column;gap:4px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 20px;text-decoration:none;transition:box-shadow .2s, transform .2s, border-color .2s;
}
.post-item a:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--cyan)}
.post-item .post-title{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--ink);font-size:1.02rem}
.post-item .post-desc{font-size:.86rem;color:var(--slate)}