/* ==========================================
   SOCIETY CLUB LABS — DESIGN SYSTEM & STYLES
   Futurista | Cyberpunk Minimalista | Premium
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────── */
:root {
  --bg: #F8F9FA;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0FFF5;
  --primary: #27FF9B;
  --primary-light: #50FFB5;
  --primary-glow: rgba(39, 255, 155, 0.15);
  --primary-glow-soft: rgba(39, 255, 155, 0.08);
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --text-body: #374151;
  --border: rgba(39, 255, 155, 0.15);
  --danger: #DC2626;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-blur: blur(20px);
  --glass-border: 1px solid rgba(39, 255, 155, 0.1);
  --radius-pill: 999px;
  --radius-card: 12px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 4px 20px rgba(39, 255, 155, 0.12);
  --font-title: 'Montserrat', sans-serif;
  --glow-sm: 0 4px 16px rgba(39, 255, 155, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w-layout: 1400px;
  --max-w-content: 800px;
  --padding-layout: 80px;
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 400;
  color: var(--text-body);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Grid Lines Background ─────────────────── */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ── Navbar ────────────────────────────────── */
header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 1200px;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 14px 32px;
  animation: fadeDown 0.8s ease-out;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-family: var(--font-title);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: #FFFFFF;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.8rem;
  text-decoration: none;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-sm);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── Nav Categories (submenu in category pages) ── */
.nav-categories {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.5rem;
  list-style: none;
  padding: 0.75rem 0 0;
  margin: 0;
  border-top: 1px solid var(--border);
  margin-top: 0.75rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.nav-categories::-webkit-scrollbar {
  height: 3px;
}

.nav-categories::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 999px;
}

.nav-categories li {
  flex-shrink: 0;
}

.nav-categories li a {
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-categories li a:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

/* ── Buttons ───────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #FFFFFF;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 18px 34px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-sm);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--primary);
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 18px 34px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  border: 1px solid rgba(39, 255, 155, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(39, 255, 155, 0.1);
  transform: scale(1.05);
}

/* ── Hero Section ──────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px var(--padding-layout) 80px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39, 255, 155, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-bottom: 30px;
  animation: fadeUp 0.8s ease-out;
}

.hero h1 .green {
  color: var(--primary);
  text-shadow: 0 0 20px rgba(39, 255, 155, 0.3);
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 40px;
  animation: fadeUp 1s ease-out;
  line-height: 1.7;
}

.hero .btn-primary {
  animation: fadeUp 1.2s ease-out;
}

/* ── Particles Canvas ──────────────────────── */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── DNA Decorations ───────────────────────── */
.dna-element {
  position: absolute;
  width: 120px;
  height: 400px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.dna-element::before,
.dna-element::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(39, 255, 155, 0.15);
  border-radius: 50%;
}

.dna-element::before {
  transform: rotateX(70deg) rotateZ(15deg);
}

.dna-element::after {
  transform: rotateX(70deg) rotateZ(-15deg);
  opacity: 0.5;
}

.dna-left {
  left: 5%;
  top: 20%;
  animation: dnaFloat 6s ease-in-out infinite;
}

.dna-right {
  right: 5%;
  bottom: 20%;
  animation: dnaFloat 6s ease-in-out infinite reverse;
}

/* ── Circle Radar ──────────────────────────── */
.radar-circles {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.radar-circles .circle {
  position: absolute;
  border: 1px solid rgba(39, 255, 155, 0.06);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.radar-circles .circle:nth-child(1) { width: 200px; height: 200px; }
.radar-circles .circle:nth-child(2) { width: 400px; height: 400px; }
.radar-circles .circle:nth-child(3) { width: 600px; height: 600px; }
.radar-circles .circle:nth-child(4) { width: 800px; height: 800px; }

/* ── Container ─────────────────────────────── */
.container {
  max-width: var(--max-w-content);
  margin: 0 auto;
  padding: 0 var(--padding-layout);
}

.container-wide {
  max-width: var(--max-w-layout);
  margin: 0 auto;
  padding: 0 var(--padding-layout);
}

/* ── Breadcrumbs ───────────────────────────── */
.breadcrumb {
  font-family: var(--font-title);
  display: flex;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 2rem;
  align-items: center;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--text-muted);
}

.breadcrumb li:last-child::after {
  content: '';
}

.breadcrumb li:last-child {
  color: var(--primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Typography ────────────────────────────── */
h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text);
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}

.lead {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ── GEO Quick Answer ──────────────────────── */
.quick-answer {
  background: rgba(39, 255, 155, 0.05);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  margin: 2rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.quick-answer-title {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quick-answer p {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
}

/* ── Tables ────────────────────────────────── */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 2.5rem 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--font-title);
  font-size: 0.95rem;
  background-color: var(--bg-card);
}

th {
  font-family: var(--font-title);
  background-color: rgba(39, 255, 155, 0.08);
  font-weight: 500;
  color: var(--text);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

td {
  font-family: var(--font-title);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-body);
  font-weight: 400;
}

tr:hover {
  background-color: rgba(39, 255, 155, 0.02);
}

.rating-badge {
  background: var(--primary);
  color: #FFFFFF;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ── Reviews / Pros & Cons ─────────────────── */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.pros-box,
.cons-box {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.pros-box h4,
.cons-box h4 {
  font-family: var(--font-title);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
}

.pros-box h4 { color: var(--primary); }
.cons-box h4 { color: var(--danger); }

.pros-cons-list {
  list-style: none;
}

.pros-cons-list li {
  font-family: var(--font-title);
  margin-bottom: 0.75rem;
  font-size: 0.925rem;
  font-weight: 400;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.5;
}

.pros-cons-list li::before {
  font-weight: bold;
  flex-shrink: 0;
  font-size: 0.95rem;
}

.pros-box li::before {
  content: '✓';
  color: var(--primary);
}

.cons-box li::before {
  content: '✗';
  color: var(--danger);
}

/* ── Prompts ───────────────────────────────── */
.prompt-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  margin: 2rem 0;
  overflow: hidden;
}

.prompt-header {
  background: rgba(39, 255, 155, 0.04);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prompt-badge {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--primary);
  background-color: rgba(39, 255, 155, 0.1);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

.cpy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-title);
}

.cpy-btn:hover {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
  box-shadow: var(--glow-sm);
}

.prompt-body {
  padding: 1.25rem;
  font-family: var(--font-title);
  font-size: 0.9rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
}

/* ── FAQ ───────────────────────────────────── */
.faq-section {
  margin-top: 5rem;
  background-color: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.faq-section h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--text);
  text-align: center;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  outline: none;
}

.faq-icon::after {
  content: '▼';
  font-size: 0.7rem;
  color: var(--primary);
  transition: var(--transition);
}

.faq-question.active .faq-icon::after {
  transform: rotate(180deg);
}

.faq-answer {
  font-family: var(--font-title);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 400;
  margin-top: 0.5rem;
  padding-right: 2rem;
}

/* ── See Also ──────────────────────────────── */
.see-also {
  margin-top: 4rem;
  background: rgba(39, 255, 155, 0.02);
  padding: 2rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
}

.see-also h4 {
  font-family: var(--font-title);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
}

.see-also-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.see-also-card {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: var(--transition);
  display: block;
}

.see-also-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.see-also-card span {
  font-family: var(--font-title);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.see-also-card h5 {
  font-family: var(--font-title);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 0.4rem;
  line-height: 1.5;
}

/* ── AdSense Slots ─────────────────────────── */
.adsense-slot {
  background: rgba(39, 255, 155, 0.03);
  border: 1px dashed rgba(39, 255, 155, 0.2);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin: 2.5rem 0;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 90px;
}

.adsense-slot::before {
  content: 'Espaço Comercial';
  position: absolute;
  top: -10px;
  left: 15px;
  background: var(--primary);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.adsense-label {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ── Category Hero ─────────────────────────── */
.category-hero {
  text-align: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.category-hero h1 {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 500;
}

.category-hero p {
  font-family: var(--font-title);
  font-weight: 400;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Card Grid ─────────────────────────────── */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(39, 255, 155, 0.3), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card-item:hover {
  transform: translateY(-5px);
  border-color: rgba(39, 255, 155, 0.2);
  box-shadow: var(--shadow-glow);
}

.card-item:hover::before {
  opacity: 1;
}

.card-tag {
  font-family: var(--font-title);
  font-size: 0.7rem;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.card-title {
  font-family: var(--font-title);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.card-desc {
  font-family: var(--font-title);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  line-height: 1.6;
}

.card-link {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
}

.card-link::after {
  content: '→';
  transition: var(--transition);
}

.card-item:hover .card-link::after {
  transform: translateX(5px);
}

/* ── Home Hero ─────────────────────────────── */
.home-hero {
  text-align: center;
  padding: 5rem 0 3rem;
}

.home-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  margin-bottom: 1rem;
}

.home-hero p {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Footer ────────────────────────────────── */
footer {
  border-top: 1px solid rgba(39, 255, 155, 0.15);
  padding: 3rem 0;
  margin-top: 5rem;
  background: #000000;
  color: #9CA3AF;
}

.footer-container {
  max-width: var(--max-w-layout);
  margin: 0 auto;
  padding: 0 var(--padding-layout);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-info h3 {
  font-family: var(--font-title);
  color: #FFFFFF;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 500;
}

.footer-links h4 {
  font-family: var(--font-title);
  color: #FFFFFF;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links ul li a {
  font-family: var(--font-title);
  color: #9CA3AF;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 400;
}

.footer-links ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  max-width: var(--max-w-layout);
  margin: 0 auto;
  padding: 2rem var(--padding-layout) 0;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 400;
}

/* ── Forms (Contato / Sobre) ───────────────── */
.about-box,
.contact-box {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  margin: 2.5rem 0;
  box-shadow: var(--shadow-card);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--font-title);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(39, 255, 155, 0.15);
}

.btn-submit {
  background-color: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-pill);
  padding: 1rem 2rem;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
}

.btn-submit:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-sm);
}

.feedback-msg {
  background-color: rgba(39, 255, 155, 0.08);
  border: 1px solid rgba(39, 255, 155, 0.25);
  color: var(--primary);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  display: none;
}

/* ── Animations ────────────────────────────── */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes dnaFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

/* ── Tool Logo ──────────────────────────────── */
.tool-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tool-logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: contain;
  background: #F1F5F9;
  padding: 6px;
  border: 1px solid var(--border);
}

/* ── Prompt CTA Banner ────────────────────── */
.prompt-cta-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(39, 255, 155, 0.06) 0%, rgba(39, 255, 155, 0.02) 100%);
  border: 1px solid rgba(39, 255, 155, 0.15);
  border-radius: var(--radius-card);
  padding: 1.2rem 1.5rem;
  margin: 2rem 0;
  cursor: pointer;
  transition: var(--transition);
  animation: ctaPulse 2s ease-in-out infinite;
}

.prompt-cta-banner:hover {
  border-color: rgba(39, 255, 155, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(39, 255, 155, 0.1);
}

.prompt-cta-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.prompt-cta-text {
  flex: 1;
}

.prompt-cta-text strong {
  display: block;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.prompt-cta-text span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.prompt-cta-arrow {
  font-size: 2rem;
  color: var(--primary);
  animation: bounceDown 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(39, 255, 155, 0.08); }
  50% { box-shadow: 0 0 20px 5px rgba(39, 255, 155, 0.1); }
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ── Snippet (SEO Intro) ──────────────────── */
.snippet {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(39, 255, 155, 0.03);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

/* ── Article Numbered List ────────────────── */
.article-list {
  list-style: none;
  counter-reset: item;
  margin-bottom: 2.5rem;
  padding: 0;
}

.article-list li {
  counter-increment: item;
  padding: 0.8rem 1rem 0.8rem 3.5rem;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.article-list li:last-child {
  border-bottom: none;
}

.article-list li:hover {
  background: rgba(39, 255, 155, 0.03);
}

.article-list li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
}

/* ── Productivity Box ──────────────────────── */
.productivity-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-card);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.productivity-box h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.productivity-box p {
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.productivity-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.productivity-box ul li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.5rem;
  color: var(--text-body);
  font-size: 0.9rem;
}

.productivity-box ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ── Prompt Box ────────────────────────────── */
.prompt-box {
  background: var(--bg-card);
  border: 1px solid rgba(39, 255, 155, 0.1);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-card);
}

.prompt-box h4 {
  font-family: var(--font-title);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.prompt-box h4::before {
  content: '⚡';
}

.prompt-content {
  background: #F1F5F9;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.prompt-content code {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-prompt-btn {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(39, 255, 155, 0.3);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.copy-prompt-btn:hover {
  background: rgba(39, 255, 155, 0.08);
  transform: scale(1.02);
}

/* ── See Also (Related Articles) ───────────── */
.see-also-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.see-also-section h3 {
  font-family: var(--font-title);
  font-weight: 500;
  color: var(--text);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.see-also-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.see-also-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  text-decoration: none;
  transition: var(--transition);
}

.see-also-card:hover {
  border-color: rgba(39, 255, 155, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.see-also-card h5 {
  font-family: var(--font-title);
  font-weight: 500;
  color: var(--text);
  font-size: 1rem;
  margin: 0;
  line-height: 1.4;
}

.see-also-card span {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.see-also h4 {
  font-family: var(--font-title);
  font-weight: 500;
  color: var(--text);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsividade ────────────────────────── */
@media (max-width: 900px) {
  :root {
    --padding-layout: 40px;
  }

  h1 { font-size: 1.75rem; }
  .home-hero h1 { font-size: 1.75rem; }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .dna-element {
    display: none;
  }

  .radar-circles .circle:nth-child(3),
  .radar-circles .circle:nth-child(4) {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --padding-layout: 20px;
  }

  header {
    width: calc(100% - 20px);
    padding: 10px 20px;
    top: 10px;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-card);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .pros-cons-grid {
    grid-template-columns: 1fr;
  }

  .grid-cards {
    grid-template-columns: 1fr;
  }

  .snippet {
    padding: 1rem;
    font-size: 0.95rem;
  }

  .article-list li {
    padding-left: 3rem;
    font-size: 0.9rem;
  }

  .prompt-box {
    padding: 1rem;
  }

  .prompt-content code {
    font-size: 0.8rem;
  }

  .see-also-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero h1 {
    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 500;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ── Utility: Section Padding ──────────────── */
section + section {
  margin-top: 3rem;
}

main {
  padding-top: 100px;
}

/* ── About Page ────────────────────────────── */
.about-box h2 {
  font-family: var(--font-title);
  font-weight: 500;
  margin-top: 0;
}

.about-box p {
  font-family: var(--font-title);
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* ── Smooth Anchor Offset ──────────────────── */
[id] {
  scroll-margin-top: 120px;
}