/* ===== DESIGN TOKENS (Premium & Modern) ===== */
:root {
  --ink: #111827;
  --ink-soft: #4b5563;
  --ink-lighter: #6b7280;
  
  --paper: #ffffff;
  --paper-alt: #f9fafb;
  --line: #e5e7eb;
  
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --amazon-yellow: #FFD814;
  --amazon-yellow-hover: #F7CA00;
  --amazon-dark: #0F1111;
  
  --font-display: 'Fraunces', serif;
  --font-body: 'Public Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 100%; }
body {
  background: var(--paper-alt);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border-radius: 4px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  display: block;
}

:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 2px; border-radius: 2px;}

/* ===== NAV (Glassmorphism) ===== */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1200px; margin: 0 auto;
}
.logo {
  font-family: var(--font-display); font-weight: 800; font-size: 1.5rem;
  letter-spacing: -0.01em; color: var(--ink);
  background: linear-gradient(135deg, var(--ink), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
nav.links { display: flex; gap: 32px; font-weight: 500; font-size: 0.95rem; }
nav.links a {
  padding: 8px 0;
  color: var(--ink-soft);
  position: relative;
}
nav.links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0%; height: 2px;
  background: var(--accent); transition: var(--transition);
}
nav.links a:hover { color: var(--ink); }
nav.links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.search-btn {
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  background: var(--paper); border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 20px; cursor: pointer; color: var(--ink-soft);
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.search-btn:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--shadow-md); }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 5px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); transition: var(--transition); }

@media (max-width: 820px) {
  nav.links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 0; box-shadow: var(--shadow-md);
  }
  nav.links a { padding: 16px 24px; width: 100%; border-bottom: 1px solid var(--line); }
  nav.links a::after { display: none; }
  nav.links.open { display: flex; }
  .menu-toggle { display: flex; }
}

/* ===== HERO ===== */
.hero { padding: 100px 0 80px; text-align: center; }
.hero .eyebrow { margin-bottom: 24px; }
.hero h1 { margin: 0 auto 24px; max-width: 20ch; }
.hero p.lead {
  font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; margin: 0 auto 40px;
}
.cta {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--paper);
  font-weight: 600; padding: 14px 28px; border-radius: var(--radius-md);
  font-size: 1rem; box-shadow: var(--shadow-md); transition: var(--transition);
}
.cta:hover { background: var(--accent-hover); box-shadow: var(--shadow-lg); transform: translateY(-2px); color: var(--paper); }

#resumo-rapido {
  font-family: var(--font-body); font-size: 0.9rem; color: var(--ink-soft);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px 24px; max-width: 800px; margin: 48px auto 0; text-align: left;
  border-left: 4px solid var(--accent); box-shadow: var(--shadow-sm);
}
.stub-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 48px; margin-top: 64px; }
.stub b { display: block; font-family: var(--font-display); font-size: 2rem; color: var(--ink); line-height: 1; margin-bottom: 8px; }
.stub span { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-lighter); }

/* ===== SECTION COMMON ===== */
.sec { padding: 80px 0; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 16px; }
.sec-head a.viewall { font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.sec-head a.viewall:hover { color: var(--accent-hover); gap: 8px; }

/* ===== CATEGORIES ===== */
.grid-cat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .grid-cat { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-cat { grid-template-columns: 1fr; } }
.cat-card { background: var(--paper); padding: 32px 24px; border-radius: var(--radius-lg); border: 1px solid var(--line); text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); }
.cat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--accent); }
.cat-icon { font-family: var(--font-display); font-size: 2.5rem; color: var(--accent); margin-bottom: 16px; line-height: 1; }
.cat-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.cat-card p { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 16px; }
.cat-card .cnt { display: inline-block; background: var(--paper-alt); padding: 4px 12px; border-radius: 20px; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-soft); font-weight: 500; }

/* ===== REVIEW CARDS (HOME) ===== */
.grid-reviews { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.tag-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px 24px; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.tag-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--accent); }
.tag-card .cat-code { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 16px; }
.tag-card h3 { font-size: 1.15rem; margin-bottom: 12px; line-height: 1.35; }
.tag-card h3 a:hover { color: var(--accent); }
.tag-card > p { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 20px; }
.tag-card .rating { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.tag-card .stars { color: #f59e0b; font-size: 1.05rem; }
.tag-card .score { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); font-weight: 500; }
.tag-card .read-link { margin-top: auto; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.tag-card .read-link:hover { color: var(--accent-hover); gap: 8px; }

/* ===== GUIDE STRIP ===== */
.guide { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-xl); padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; box-shadow: var(--shadow-lg); }
@media (max-width: 900px) { .guide { grid-template-columns: 1fr; padding: 40px 24px; gap: 40px; } }
.guide h2 { margin-bottom: 20px; }
.guide p { color: var(--ink-soft); margin-bottom: 32px; font-size: 1.1rem; }
.checklist { list-style: none; font-size: 0.95rem; }
.checklist li { padding: 16px 0; border-top: 1px solid var(--line); display: flex; align-items: flex-start; gap: 12px; }
.checklist li:first-child { border-top: none; }
.checklist li::before { content: "✓"; color: #10b981; font-weight: 800; font-size: 1.1rem; }

/* ===== NEWSLETTER ===== */
.news { background: var(--ink); color: var(--paper); border-radius: var(--radius-xl); padding: 64px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 64px; box-shadow: var(--shadow-xl); }
.news h2 { color: var(--paper); margin-bottom: 12px; }
.news p { color: var(--ink-lighter); font-size: 1.1rem; }
form.news-form { display: flex; gap: 12px; flex-wrap: wrap; flex-grow: 1; max-width: 500px; justify-content: flex-end; }
@media (max-width: 900px) { form.news-form { justify-content: flex-start; } }
form.news-form input { flex-grow: 1; padding: 16px 24px; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); color: var(--paper); font-family: var(--font-body); font-size: 1rem; }
form.news-form input::placeholder { color: rgba(255,255,255,0.5); }
form.news-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.15); }
form.news-form button { padding: 16px 32px; border-radius: var(--radius-md); border: none; background: var(--accent); color: var(--paper); font-weight: 700; font-size: 1rem; cursor: pointer; transition: var(--transition); }
form.news-form button:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.4); }

/* ===== FOOTER ===== */
footer { padding: 80px 0 40px; background: var(--paper); border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-grid h4 { font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 24px; color: var(--ink); }
.foot-grid ul { list-style: none; }
.foot-grid li { margin-bottom: 12px; }
.foot-grid a { color: var(--ink-soft); font-size: 0.95rem; }
.foot-grid a:hover { color: var(--accent); padding-left: 4px; }
.foot-bottom { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 0.85rem; color: var(--ink-lighter); }

/* ===== ARTICLES & PAGES CONTENT ===== */
.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--line); background: var(--paper); }
.page-header h1 { margin-bottom: 16px; }
.page-header p { font-size: 1.2rem; color: var(--ink-soft); }
.content-area { padding: 60px 0; background: var(--paper-alt); }
.content-box { background: var(--paper); padding: 48px; border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
@media (max-width: 600px) { .content-box { padding: 24px; } }
.content-box h2 { margin: 40px 0 20px; font-size: 1.8rem; border-bottom: 2px solid var(--accent-soft); padding-bottom: 10px; }
.content-box h3 { margin: 30px 0 16px; font-size: 1.4rem; color: var(--ink); }
.content-box p { margin-bottom: 24px; }
.content-box ul, .content-box ol { margin-bottom: 24px; padding-left: 24px; }
.content-box li { margin-bottom: 8px; }

/* ===== LISTICLE & REVIEW STYLES (NEW) ===== */

/* Table of contents (Sumário) */
.toc-box {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 0 0 40px 0;
}
.toc-box p.toc-title {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.toc-box ul {
  list-style: none;
  padding: 0 !important;
  margin: 0 !important;
}
.toc-box ul li { margin-bottom: 12px; }
.toc-box ul li::before {
  content: '↓';
  color: var(--accent);
  margin-right: 8px;
  font-weight: bold;
}
.toc-box ul li a { color: var(--ink); font-weight: 500; font-size: 0.95rem; }
.toc-box ul li a:hover { color: var(--accent); text-decoration: underline; }

/* Callout Boxes (Tips, Alerts) */
.box-tip {
  background: #f0fdf4; /* light green */
  border-left: 4px solid #16a34a;
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
}
.box-alert {
  background: #fffbeb; /* light yellow/orange */
  border-left: 4px solid #f59e0b;
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
}
.box-tip p, .box-alert p { margin-bottom: 0; font-size: 0.95rem; }

/* Product List Card */
.list-card {
  display: flex;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}
.list-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #d1d5db;
}
.list-rank {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--accent);
  color: white;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  border-bottom-right-radius: var(--radius-md);
  z-index: 2;
}
.list-img {
  flex: 0 0 280px;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border-right: 1px solid var(--line);
}
.list-img img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}
.list-content {
  flex: 1;
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.list-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  margin-top: 0;
  border: none;
}
.list-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.list-rating .stars {
  color: #f59e0b;
  font-size: 1.1rem;
}
.list-specs {
  background: var(--paper-alt);
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}
.list-specs ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.list-specs li {
  font-size: 0.85rem;
  margin-bottom: 0 !important;
}
.list-specs li strong {
  color: var(--ink-soft);
}
.list-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.btn-amazon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--amazon-yellow);
  color: var(--amazon-dark);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: all 0.2s;
  border: 1px solid #FCD200;
}
.btn-amazon:hover {
  background: var(--amazon-yellow-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

@media (max-width: 800px) {
  .list-card { flex-direction: column; }
  .list-img { border-right: none; border-bottom: 1px solid var(--line); padding: 40px 24px 24px; }
  .list-specs ul { grid-template-columns: 1fr; }
}

/* Comparison Table */
.comparison-wrapper {
  overflow-x: auto;
  margin: 48px 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  min-width: 800px; /* forces scroll on small screens */
}
.comparison-table th, .comparison-table td {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.comparison-table th:last-child, .comparison-table td:last-child {
  border-right: none;
}
.comparison-table thead th {
  background: var(--paper-alt);
  font-family: var(--font-display);
  color: var(--ink);
}
.comparison-table .comp-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 8px;
}
.comparison-table .comp-title {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.comparison-table tbody th {
  background: var(--paper-alt);
  text-align: right;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  width: 150px;
}
.comparison-table td {
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.comparison-table .btn-amazon-sm {
  background: var(--amazon-yellow);
  color: var(--amazon-dark);
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 20px;
  display: inline-block;
  font-size: 0.85rem;
  margin-top: 8px;
}