/* ====================================================================
   MEGA TV PRO — Landing Page Oficial (megatv.lol)
   Design System: Minimalist, High-Precision & Editorial Elegance
   Foco absoluto em clareza, tipografia e usabilidade sem excessos
   ==================================================================== */

:root {
  --bg-page: #FFFFFF;
  --bg-subtle: #FAFAFA;
  --bg-card: #FFFFFF;
  --bg-hover: #F4F4F6;
  
  --text-primary: #0F1117;
  --text-secondary: #5A6072;
  --text-muted: #8E95A5;
  --text-inverse: #FFFFFF;
  
  --brand-primary: #0F1117;
  --brand-accent: #E50914;
  --border-hairline: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.18);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-page);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* CONTAINER */
.m-container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==============================================================
   1. NAVBAR MINIMALISTA
   ============================================================== */
.m-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-hairline);
}

.m-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.m-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.m-logo-icon {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.m-logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

/* Nav Links */
.m-nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.m-nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.m-nav-link:hover {
  color: var(--text-primary);
}

.m-nav-highlight {
  color: var(--text-primary);
  font-weight: 600;
}

/* Actions */
.m-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.m-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--brand-primary);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.m-btn-primary:hover {
  background: #2D313E;
  transform: translateY(-1px);
}

.m-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 6px;
  color: var(--text-primary);
}

/* Mobile Menu */
.m-mobile-menu {
  display: none;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-hairline);
  padding: 16px 24px;
}

.m-mobile-menu.open {
  display: block;
}

.m-mobile-list {
  list-style: none;
}

.m-mobile-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.m-mobile-list a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ==============================================================
   2. HERO SECTION
   ============================================================== */
.m-hero {
  padding: 80px 0 60px 0;
  text-align: center;
}

.m-hero-header {
  max-width: 780px;
  margin: 0 auto 50px auto;
}

.m-hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.m-hero-subtitle {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px auto;
}

/* Minimalist Parameter Box */
.m-hero-param-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  padding: 18px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.m-param-label {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.m-param-field {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #FFFFFF;
  border: 1px solid var(--border-hairline);
  padding: 6px 8px 6px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.m-param-field:hover {
  border-color: var(--border-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.m-param-domain {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  font-family: monospace;
}

.m-param-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--brand-primary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.m-param-copy-btn:hover {
  background: #2D313E;
}

.m-param-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.m-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.m-btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  background: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.m-btn-outline:hover {
  border-color: var(--border-hover);
  background: var(--bg-subtle);
}

.m-btn-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.m-btn-link:hover {
  color: var(--text-primary);
}

/* Minimalist Device Frame */
.m-showcase {
  max-width: 900px;
  margin: 0 auto;
}

.m-device-bezel {
  background: #111319;
  border: 4px solid #1E212B;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 60px -15px rgba(0, 0, 0, 0.2);
}

.m-device-screen {
  aspect-ratio: 16 / 9;
  background: #000000;
  overflow: hidden;
}

.m-device-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}

/* Switcher Tabs */
.m-switcher-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.m-tab {
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  background: transparent;
  transition: var(--transition);
}

.m-tab:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.m-tab.active {
  color: var(--text-primary);
  background: var(--bg-subtle);
  font-weight: 600;
}

/* ==============================================================
   3. AVISO LEGAL MINIMALISTA
   ============================================================== */
.m-disclaimer-wrap {
  padding: 30px 0 50px 0;
}

.m-disclaimer-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 860px;
  margin: 0 auto;
}

.m-disclaimer-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==============================================================
   4. SEÇÕES PADRÃO (GRID & LINEAR FLOW)
   ============================================================== */
.m-section {
  padding: 80px 0;
}

.m-section-alt {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.m-section-header {
  max-width: 600px;
  margin-bottom: 48px;
}

.m-section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.m-section-title {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 10px;
}

.m-section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Passos Lineares (3 colunas) */
.m-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.m-step-item {
  border-top: 2px solid var(--text-primary);
  padding-top: 20px;
}

.m-step-num {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-family: monospace;
}

.m-step-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.m-step-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.m-inline-code {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-accent);
}

/* ==============================================================
   5. RECURSOS ESSENCIAIS (2x2 SEM CARTOON)
   ============================================================== */
.m-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 50px;
}

.m-feature-item {
  background: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.m-feature-item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
}

.m-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.m-feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.m-feature-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Compatibilidade em linha */
.m-compat-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 16px 20px;
  background: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.m-compat-label {
  font-weight: 600;
  color: var(--text-primary);
}

.m-compat-tags {
  color: var(--text-muted);
}

/* ==============================================================
   6. FAQ MINIMALISTA
   ============================================================== */
.m-faq-list {
  max-width: 800px;
  border-top: 1px solid var(--border-hairline);
}

.m-faq-item {
  border-bottom: 1px solid var(--border-hairline);
}

.m-faq-btn {
  width: 100%;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition);
}

.m-faq-btn:hover {
  color: #000000;
}

.m-faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.m-faq-item.active .m-faq-chevron {
  transform: rotate(180deg);
  color: var(--text-primary);
}

.m-faq-content {
  display: none;
  padding-bottom: 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.m-faq-item.active .m-faq-content {
  display: block;
}

/* ==============================================================
   7. FOOTER MINIMALISTA
   ============================================================== */
.m-footer {
  padding: 60px 0 40px 0;
  border-top: 1px solid var(--border-hairline);
  font-size: 0.88rem;
}

.m-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.m-footer-brand {
  max-width: 380px;
}

.m-footer-desc {
  margin-top: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.m-footer-links-group {
  display: flex;
  gap: 60px;
}

.m-footer-col {
  display: flex;
  flex-direction: column;
}

.m-footer-heading {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.m-footer-col ul {
  list-style: none;
}

.m-footer-col li {
  margin-bottom: 8px;
}

.m-footer-col a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.m-footer-col a:hover {
  color: var(--text-primary);
}

.m-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ==============================================================
   MODAIS ESSENCIAIS
   ============================================================== */
.m-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(15, 17, 23, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.m-modal-backdrop.hidden {
  display: none;
}

.m-modal-card {
  background: #FFFFFF;
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.m-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.m-modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.m-modal-close {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
}

.m-modal-close:hover {
  color: var(--text-primary);
}

.m-modal-body {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* TOAST */
.m-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  background: var(--text-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  display: none;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.m-toast.show {
  display: block;
}

/* ==============================================================
   RESPONSIVIDADE (MOBILE & TABLET)
   ============================================================== */
@media (max-width: 820px) {
  .m-nav {
    display: none;
  }

  .m-mobile-toggle {
    display: flex;
  }

  .m-hero-title {
    font-size: 2.3rem;
  }

  .m-steps-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .m-features-grid {
    grid-template-columns: 1fr;
  }

  .m-footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .m-footer-links-group {
    gap: 40px;
  }
}