/* ============================================================
   landing.css — Estilos exclusivos da Landing Page
   ============================================================ */

.landing-body {
  overflow-x: hidden;
}

.landing-wrapper {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* ─── Partículas de fundo ─────────────────────────────────── */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.4; }
  90%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-80vh) scale(1.5); }
}

/* ─── Header ─────────────────────────────────────────────── */
.landing-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
}
.landing-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
}
.logo-icon { font-size: 1.8rem; filter: drop-shadow(0 0 10px rgba(30,111,181,0.7)); }
.logo-text {
  background: linear-gradient(90deg, #fff, var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.landing-inst {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 5;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px 40px;
}

.hero-content {
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Drone 3D CSS animado */
.hero-drone {
  position: relative;
  width: 160px;
  height: 140px;
  margin: 0 auto 16px;
}
.drone-3d {
  position: relative;
  width: 100%;
  height: 100%;
  animation: droneHover 3s ease-in-out infinite;
}
.d3-body {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 54px; height: 28px;
  background: linear-gradient(135deg, #1E6FB5, #0D3B6E);
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(30,111,181,0.6), 0 4px 12px rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
}
.d3-camera {
  width: 14px; height: 14px;
  background: #0D1B2A;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
}
.d3-arm {
  position: absolute;
  width: 50px; height: 3px;
  background: linear-gradient(90deg, #1E6FB5, #94A3B8);
  border-radius: 2px;
  top: 50%; left: 50%;
  transform-origin: 0 50%;
}
.a1 { transform: translate(0, -50%) rotate(-135deg); }
.a2 { transform: translate(0, -50%) rotate(45deg); }
.a3 { transform: translate(0, -50%) rotate(135deg); }
.a4 { transform: translate(0, -50%) rotate(-45deg); }
.d3-motor {
  position: absolute;
  right: -8px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  background: #1E6FB5;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.d3-prop {
  width: 28px; height: 6px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
  border-radius: 3px;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: propSpin 0.3s linear infinite;
}
.a2 .d3-prop, .a3 .d3-prop { animation-direction: reverse; }
.d3-shadow {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 10px;
  background: radial-gradient(ellipse, rgba(30,111,181,0.4) 0%, transparent 70%);
  animation: shadowPulse 3s ease-in-out infinite;
  filter: blur(4px);
}

@keyframes droneHover {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%       { transform: translateY(-10px) rotate(1deg); }
  75%       { transform: translateY(-6px) rotate(-1deg); }
}
@keyframes propSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes shadowPulse {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) scaleX(1); }
  50%       { opacity: 0.2; transform: translateX(-50%) scaleX(0.7); }
}

/* ─── Hero Text ──────────────────────────────────────────── */
.hero-text {
  text-align: center;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(30,111,181,0.12);
  border: 1px solid rgba(30,111,181,0.25);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  color: var(--color-primary-light);
  margin-bottom: 16px;
  font-weight: 500;
}
.hero-title {
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), #8B5CF6, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

/* Alertas */
.alert {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 0.875rem;
  text-align: center;
}
.alert-info    { background: rgba(30,111,181,0.15); border: 1px solid rgba(30,111,181,0.3); color: var(--color-primary-light); }
.alert-warning { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: var(--color-accent); }
.alert-error   { background: rgba(239,68,68,0.15);  border: 1px solid rgba(239,68,68,0.3);  color: var(--color-danger); }

/* Botão Google */
.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 28px;
  background: #fff;
  color: #3c4043;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-main);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3), 0 0 0 0 rgba(66,133,244,0.5);
  transition: all var(--transition-normal);
  text-decoration: none;
  min-width: 260px;
  width: 100%;
  max-width: 360px;
}
.btn-google:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4), 0 0 0 4px rgba(66,133,244,0.25);
  color: #3c4043;
}
.btn-google:active { transform: translateY(-1px); }
.google-icon { width: 22px; height: 22px; flex-shrink: 0; }

.hero-disclaimer {
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Features Grid ──────────────────────────────────────── */
.features {
  position: relative;
  z-index: 5;
  padding: 48px 0;
  background: rgba(0,0,0,0.2);
  border-top: 1px solid var(--color-border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}
.feature-card:hover {
  background: var(--color-bg-card-hov);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  display: block;
  filter: drop-shadow(0 0 8px rgba(30,111,181,0.4));
}
.feature-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Módulos Preview ────────────────────────────────────── */
.modulos-preview {
  position: relative;
  z-index: 5;
  padding: 48px 0;
}
.section-heading {
  font-size: 1.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 28px;
  background: linear-gradient(90deg, var(--text-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.modulos-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modulo-preview-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition-normal);
}
.modulo-preview-card:hover { transform: translateX(4px); background: var(--color-bg-card-hov); }
.modulo-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
  min-width: 48px;
}
.modulo-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.modulo-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 8px;
}

/* ─── Landing Footer ─────────────────────────────────────── */
.landing-footer {
  position: relative;
  z-index: 5;
  padding: 32px 24px;
  border-top: 1px solid var(--color-border);
  background: rgba(0,0,0,0.2);
}
.landing-footer p {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.8;
}

/* ─── Responsividade ─────────────────────────────────────── */
@media (min-width: 640px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-title { font-size: 3rem; }
  .btn-google { width: auto; }
}
@media (min-width: 1024px) {
  .hero-content { flex-direction: row; align-items: center; gap: 64px; max-width: 900px; }
  .hero-text { text-align: left; }
  .hero-drone { flex-shrink: 0; width: 250px; height: 220px; }
  .hero-badge { justify-content: flex-start; }
  .hero-subtitle { margin-left: 0; }
  .hero-disclaimer { margin-left: 0; }
  .btn-google { margin-left: 0; }
  .features-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .modulos-grid { flex-direction: row; }
}