/**
 * LANDING PAGE — CanalQB Premium
 * Design moderno, parallax, animações suaves, micro-interações
 * Compatível com master_rules.md — WCAG AA, responsivo, dark/light
 */

/* =====================================================
   CSS VARIABLES — TEMA PREMIUM
   ===================================================== */
:root {
  --lp-primary: #f7931a;
  --lp-primary-dark: #e2820a;
  --lp-primary-glow: rgba(247, 147, 26, 0.4);
  --lp-secondary: #6366f1;
  --lp-secondary-glow: rgba(99, 102, 241, 0.3);
  --lp-accent: #22d3ee;
  --lp-accent-glow: rgba(34, 211, 238, 0.3);
  --lp-success: #10b981;
  --lp-danger: #ef4444;
  --lp-bg-dark: #0a0e1a;
  --lp-bg-card: rgba(15, 23, 42, 0.8);
  --lp-bg-glass: rgba(255, 255, 255, 0.05);
  --lp-text-primary: #f1f5f9;
  --lp-text-secondary: #94a3b8;
  --lp-text-muted: #64748b;
  --lp-border: rgba(255, 255, 255, 0.08);
  --lp-gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #1a1040 40%, #0f172a 70%, #0a0e1a 100%);
  --lp-gradient-cta: linear-gradient(135deg, #f7931a 0%, #f59e0b 50%, #fbbf24 100%);
  --lp-gradient-card: linear-gradient(145deg, rgba(99,102,241,0.1) 0%, rgba(247,147,26,0.05) 100%);
  --lp-shadow-glow: 0 0 40px rgba(247, 147, 26, 0.15);
  --lp-radius: 16px;
  --lp-radius-sm: 10px;
  --lp-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================================
   RESET & BASE
   ===================================================== */
.lp-page {
  margin: 0;
  padding: 0;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--lp-bg-dark);
  color: var(--lp-text-primary);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.lp-page *, .lp-page *::before, .lp-page *::after {
  box-sizing: border-box;
}

.lp-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================================================
   NAVBAR PREMIUM
   ===================================================== */
.lp-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--lp-transition);
  background: transparent;
}

.lp-navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--lp-border);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.lp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--lp-text-primary);
  font-weight: 800;
  font-size: 1.3rem;
}

.lp-brand-icon {
  width: 42px;
  height: 42px;
  background: var(--lp-gradient-cta);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--lp-shadow-glow);
}

.lp-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.lp-nav-links a {
  color: var(--lp-text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--lp-transition);
  position: relative;
}

.lp-nav-links a:hover,
.lp-nav-links a:focus {
  color: var(--lp-primary);
  background: rgba(247, 147, 26, 0.08);
}

.lp-nav-cta {
  background: var(--lp-gradient-cta) !important;
  color: #0a0e1a !important;
  font-weight: 700 !important;
  padding: 10px 24px !important;
  border-radius: 10px !important;
  box-shadow: 0 4px 20px var(--lp-primary-glow);
}

.lp-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--lp-primary-glow) !important;
}

.lp-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--lp-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.lp-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--lp-gradient-hero);
  overflow: hidden;
  padding: 120px 0 80px;
}

.lp-hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.lp-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: lpFloat 8s ease-in-out infinite;
}

.lp-hero-orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--lp-primary-glow) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.lp-hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--lp-secondary-glow) 0%, transparent 70%);
  bottom: -5%;
  left: -5%;
  animation-delay: -3s;
}

.lp-hero-orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--lp-accent-glow) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: -5s;
}

.lp-hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.6;
}

.lp-hero-particles {
  position: absolute;
  inset: 0;
}

.lp-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--lp-primary);
  border-radius: 50%;
  opacity: 0;
  animation: lpParticle 6s ease-in-out infinite;
}

.lp-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.lp-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(247, 147, 26, 0.1);
  border: 1px solid rgba(247, 147, 26, 0.25);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lp-primary);
  margin-bottom: 28px;
  animation: lpFadeInUp 0.8s ease-out;
}

.lp-hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--lp-success);
  border-radius: 50%;
  animation: lpPulse 2s ease-in-out infinite;
}

.lp-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 24px;
  letter-spacing: -0.03em;
  animation: lpFadeInUp 0.8s ease-out 0.15s both;
}

.lp-hero h1 .text-gradient {
  background: var(--lp-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--lp-text-secondary);
  max-width: 650px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: lpFadeInUp 0.8s ease-out 0.3s both;
}

.lp-hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: lpFadeInUp 0.8s ease-out 0.45s both;
}

.lp-hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 60px;
  animation: lpFadeInUp 0.8s ease-out 0.6s both;
}

.lp-hero-stat {
  text-align: center;
}

.lp-hero-stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--lp-primary);
}

.lp-hero-stat-label {
  font-size: 0.82rem;
  color: var(--lp-text-muted);
  margin-top: 4px;
}

/* =====================================================
   BOTÕES PREMIUM
   ===================================================== */
.lp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--lp-transition);
  position: relative;
  overflow: hidden;
}

.lp-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.lp-btn:hover::after {
  opacity: 1;
}

.lp-btn-primary {
  background: var(--lp-gradient-cta);
  color: #0a0e1a;
  box-shadow: 0 4px 20px var(--lp-primary-glow);
}

.lp-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px var(--lp-primary-glow);
}

.lp-btn-outline {
  background: transparent;
  color: var(--lp-text-primary);
  border: 2px solid var(--lp-border);
}

.lp-btn-outline:hover {
  border-color: var(--lp-primary);
  color: var(--lp-primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(247, 147, 26, 0.1);
}

/* =====================================================
   SEÇÕES GENÉRICAS
   ===================================================== */
.lp-section {
  padding: 100px 0;
  position: relative;
}

.lp-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.lp-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--lp-secondary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.lp-section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lp-section-desc {
  font-size: 1.1rem;
  color: var(--lp-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* =====================================================
   SEÇÃO: BENEFÍCIOS (Features Grid)
   ===================================================== */
.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lp-feature-card {
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 36px 28px;
  transition: var(--lp-transition);
  position: relative;
  overflow: hidden;
}

.lp-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--lp-gradient-cta);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.lp-feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(247, 147, 26, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--lp-shadow-glow);
}

.lp-feature-card:hover::before {
  transform: scaleX(1);
}

.lp-feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: var(--lp-gradient-card);
  border: 1px solid var(--lp-border);
  color: var(--lp-primary);
}

.lp-feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 10px;
}

.lp-feature-card p {
  font-size: 0.92rem;
  color: var(--lp-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* =====================================================
   SEÇÃO: COMO FUNCIONA (Steps)
   ===================================================== */
.lp-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.lp-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--lp-primary), var(--lp-secondary), var(--lp-accent), var(--lp-primary));
  opacity: 0.3;
}

.lp-step {
  text-align: center;
  position: relative;
}

.lp-step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--lp-bg-card);
  border: 2px solid var(--lp-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--lp-primary);
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
  transition: var(--lp-transition);
}

.lp-step:hover .lp-step-number {
  background: var(--lp-gradient-cta);
  color: #0a0e1a;
  box-shadow: 0 0 30px var(--lp-primary-glow);
  transform: scale(1.1);
}

.lp-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.lp-step p {
  font-size: 0.88rem;
  color: var(--lp-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* =====================================================
   SEÇÃO: DIFERENCIAIS (Showcase)
   ===================================================== */
.lp-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.lp-showcase-visual {
  position: relative;
  border-radius: var(--lp-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--lp-gradient-card);
  border: 1px solid var(--lp-border);
}

.lp-showcase-visual canvas {
  width: 100%;
  height: 100%;
}

.lp-showcase-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 20px;
}

.lp-showcase-content p {
  color: var(--lp-text-secondary);
  margin: 0 0 28px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.lp-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lp-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.lp-check-list .check-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(16, 185, 129, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lp-success);
  font-size: 0.7rem;
  margin-top: 2px;
}

/* =====================================================
   SEÇÃO: ROADMAP / PLANO
   ===================================================== */
.lp-roadmap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.lp-roadmap-item {
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 28px;
  display: flex;
  gap: 18px;
  transition: var(--lp-transition);
}

.lp-roadmap-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateX(6px);
}

.lp-roadmap-phase {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--lp-secondary), var(--lp-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.lp-roadmap-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.lp-roadmap-item p {
  font-size: 0.88rem;
  color: var(--lp-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.lp-roadmap-status {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 8px;
}

.lp-status-done {
  background: rgba(16, 185, 129, 0.15);
  color: var(--lp-success);
}

.lp-status-progress {
  background: rgba(247, 147, 26, 0.15);
  color: var(--lp-primary);
}

.lp-status-planned {
  background: rgba(99, 102, 241, 0.15);
  color: var(--lp-secondary);
}

/* =====================================================
   SEÇÃO: CTA FINAL
   ===================================================== */
.lp-cta-section {
  background: linear-gradient(135deg, rgba(247,147,26,0.08) 0%, rgba(99,102,241,0.08) 100%);
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
}

.lp-cta-box {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.lp-cta-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin: 0 0 16px;
}

.lp-cta-box p {
  color: var(--lp-text-secondary);
  font-size: 1.1rem;
  margin: 0 0 36px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.lp-footer {
  padding: 48px 0 28px;
  border-top: 1px solid var(--lp-border);
  text-align: center;
}

.lp-footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex-wrap: wrap;
}

.lp-footer-links a {
  color: var(--lp-text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.3s;
}

.lp-footer-links a:hover {
  color: var(--lp-primary);
}

.lp-footer-copy {
  font-size: 0.82rem;
  color: var(--lp-text-muted);
}

/* =====================================================
   ANIMAÇÕES
   ===================================================== */
@keyframes lpFadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lpFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

@keyframes lpPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes lpParticle {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  20% { opacity: 0.8; transform: translateY(-20px) scale(1); }
  100% { opacity: 0; transform: translateY(-200px) scale(0); }
}

/* Scroll Reveal */
.lp-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.lp-reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.lp-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.lp-reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.lp-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* =====================================================
   RESPONSIVIDADE
   ===================================================== */
@media (max-width: 1024px) {
  .lp-features-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-steps { grid-template-columns: repeat(2, 1fr); }
  .lp-steps::before { display: none; }
  .lp-showcase { grid-template-columns: 1fr; gap: 40px; }
  .lp-roadmap { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .lp-nav-links { display: none; }
  .lp-nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--lp-border);
  }
  .lp-mobile-toggle { display: block; }
  .lp-hero { padding: 100px 0 60px; min-height: auto; }
  .lp-hero-stats { gap: 24px; flex-wrap: wrap; }
  .lp-features-grid { grid-template-columns: 1fr; }
  .lp-steps { grid-template-columns: 1fr; }
  .lp-section { padding: 60px 0; }
  .lp-hero-actions { flex-direction: column; align-items: center; }
  .lp-btn { width: 100%; max-width: 320px; justify-content: center; }
}

@media (max-width: 480px) {
  .lp-hero h1 { font-size: 1.8rem; }
  .lp-hero-stat-value { font-size: 1.5rem; }
  .lp-section-title { font-size: 1.5rem; }
  .lp-feature-card { padding: 24px 20px; }
}

/* =====================================================
   PARALLAX HELPER
   ===================================================== */
[data-lp-parallax] {
  will-change: transform;
}

/* =====================================================
   ACESSIBILIDADE
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .lp-reveal, .lp-reveal-left, .lp-reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* Focus visível */
.lp-page a:focus-visible,
.lp-page button:focus-visible {
  outline: 3px solid var(--lp-primary);
  outline-offset: 3px;
  border-radius: 4px;
}