/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

/* 🧱 BASE */
html, body {
  width: 100%;
  min-height: 100%;
  background-color: #0d1117;
  overscroll-behavior: none;
}

/* 🎨 PALETA GITHUB */
:root {
  --bg-main: #0d1117;
  --bg-card: #161b22;
  --bg-soft: #0d1117;
  --border: #30363d;

  --primary: #2f81f7;
  --primary-hover: #58a6ff;

  --text-main: #c9d1d9;
  --text-muted: #8b949e;
}

/* FUNDO FIXO REAL (SEM BUG MOBILE) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(13,17,23,.9), rgba(13,17,23,.98)),
    url("https://696a5adc093e5846cd3b659a.imgix.net/Best%20Netflix%20Background%20Dc.jpg");
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  z-index: -1;
}

/* BODY */
body {
  color: var(--text-main);
}

/* HERO */
.hero {
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 3em;
  color: var(--primary);
  text-shadow: 0 4px 20px rgba(0,0,0,.9);
}

.hero p {
  color: var(--text-muted);
}

/* SEÇÕES */
.plans {
  padding: 40px 20px;
  text-align: center;
}

.plans h2 {
  margin-bottom: 25px;
}

/* GRID */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

/* 🔵 ANIMAÇÃO */
@keyframes activeGlow {
  0% {
    transform: translateY(0);
    box-shadow: 0 0 15px rgba(47,129,247,.25);
  }
  50% {
    transform: translateY(-6px);
    box-shadow:
      0 0 25px rgba(47,129,247,.55),
      0 0 45px rgba(47,129,247,.35);
  }
  100% {
    transform: translateY(0);
    box-shadow: 0 0 15px rgba(47,129,247,.25);
  }
}

/* CARD */
.card {
  background: var(--bg-card);
  padding: 25px;
  border-radius: 15px;
  border: 1px solid var(--border);
  animation: activeGlow 12s ease-in-out infinite;
  transition: none;
}

/* DELAYS */
.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 3s; }
.card:nth-child(3) { animation-delay: 6s; }
.card:nth-child(4) { animation-delay: 9s; }

.card h3 {
  font-size: 1.4em;
}

/* PREÇO */
.price {
  font-size: 2em;
  margin: 15px 0;
  color: var(--primary);
}

.card small {
  display: block;
  margin-top: 5px;
  color: var(--text-muted);
}

/* BOTÃO */
.card button {
  margin-top: 15px;
  padding: 10px 20px;
  border: none;
  border-radius: 30px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

.card button:hover {
  background: var(--primary-hover);
}

/* WHATSAPP */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary);
  color: #fff;
  font-size: 28px;
  padding: 15px 18px;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 0 15px rgba(0,0,0,.5);
}

/* RODAPÉ */
.footer {
  background: rgba(13,17,23,.95);
  padding: 50px 20px;
}

/* TITULOS */
.footer h2 {
  text-align: center;
  margin-bottom: 25px;
  color: var(--text-main);
}

/* FAQ */
.faq-item {
  max-width: 700px;
  margin: 10px auto;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 15px;
  color: var(--primary);
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding: 15px;
  color: var(--text-muted);
  background: var(--bg-soft);
}

/* QUALIDADE */
.quality-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 15px;
  max-width: 800px;
  margin: auto;
}

.quality-card {
  background: var(--bg-card);
  padding: 25px;
  border-radius: 15px;
  border: 1px solid var(--border);
  text-align: center;
  color: var(--primary);
  font-size: 18px;
}

/* DISPOSITIVOS */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
  gap: 15px;
  max-width: 800px;
  margin: auto;
}

.device-grid span {
  background: var(--bg-card);
  padding: 15px;
  border-radius: 30px;
  text-align: center;
  border: 1px solid var(--border);
}