/* ==============================================================================
   DAYBLACK.COM.BR — CYBER-PREMIUM DESIGN SYSTEM
   Braço Educacional ClickMeta | Engenheiro Fellippe Bitencourt
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800;900&display=swap');

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Color Palette */
  --bg-dark: #07080c;
  --bg-surface: #0e1017;
  --bg-card: rgba(18, 22, 33, 0.75);
  --bg-card-hover: rgba(26, 31, 48, 0.85);

  --text-main: #f0f3fa;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --neon-green: #00ff66;
  --neon-green-glow: rgba(0, 255, 102, 0.25);
  --neon-cyan: #00e5ff;
  --neon-purple: #a855f7;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-neon: rgba(0, 255, 102, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography Utility */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Cyber Glow Background Orbs */
.bg-glow-1 {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--neon-green-glow) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}

.bg-glow-2 {
  position: absolute;
  top: 40%;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(0,0,0,0) 70%);
  filter: blur(90px);
  z-index: -1;
  pointer-events: none;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 8, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 38px;
  width: auto;
  border-radius: 8px;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 1px;
}

.brand-text span {
  color: var(--neon-green);
  text-shadow: 0 0 12px var(--neon-green-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-main);
  text-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #00ff66 0%, #00b347 100%);
  color: #041208;
  box-shadow: 0 0 24px var(--neon-green-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(0, 255, 102, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 160px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid var(--border-neon);
  color: var(--neon-green);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(135deg, #00ff66 0%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Founder Card */
.hero-author-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  transition: var(--transition-smooth);
}

.hero-author-card:hover {
  border-color: var(--border-neon);
  box-shadow: 0 30px 60px rgba(0, 255, 102, 0.15);
}

.hero-author-img {
  width: 100%;
  aspect-ratio: 1 / 1.1;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 6px);
  display: block;
}

.author-floating-tag {
  position: absolute;
  bottom: 28px;
  left: 28px;
  right: 28px;
  padding: 16px 20px;
  background: rgba(7, 8, 12, 0.85);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.author-floating-tag h4 {
  font-size: 1.1rem;
  color: var(--text-main);
}

.author-floating-tag p {
  font-size: 0.85rem;
  color: var(--neon-green);
  font-weight: 600;
}

/* Infoproducts Showcase Section */
.products-section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
  opacity: 0;
  transition: var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 102, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.product-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--neon-green);
  margin-bottom: 16px;
}

.product-title {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.product-desc {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 0.98rem;
}

.product-features {
  list-style: none;
  margin-bottom: 36px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.product-features li svg {
  color: var(--neon-green);
  flex-shrink: 0;
}

.product-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 24px;
}

.product-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-dim);
}

/* Founder & Authority Section */
.authority-section {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.authority-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.authority-img-wrap {
  position: relative;
}

.authority-img-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.authority-content h2 {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.authority-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.credentials-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.credential-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.credential-item h4 {
  color: var(--neon-green);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.credential-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ClickMeta Agency Section */
.agency-section {
  padding: 100px 0;
  text-align: center;
  position: relative;
}

.agency-box {
  background: linear-gradient(135deg, rgba(14, 16, 23, 0.9) 0%, rgba(20, 25, 38, 0.9) 100%);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: 0 0 50px var(--neon-green-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.agency-header-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.agency-logo-img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-neon);
  box-shadow: 0 0 16px var(--neon-green-glow);
}

.agency-header-badge .badge-tag {
  margin-bottom: 0;
}

.agency-box h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.agency-box p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 36px;
}

/* FAQ Section */
.faq-section {
  padding: 100px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
  transition: max-height 0.35s ease-in-out;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--neon-green);
}

/* Footer */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 16px;
  max-width: 360px;
}

.footer-column h4 {
  color: var(--text-main);
  font-size: 1rem;
  margin-bottom: 20px;
}

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

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--neon-green);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 30px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid, .authority-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 2.6rem;
  }

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

@media (max-width: 768px) {
  .header-container {
    height: 70px;
  }

  .nav-links {
    display: none; /* Can be toggled via js if needed */
  }

  .hero-section {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

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