/* ==========================================================================
   CSS Landing Page - Construindo Site em 2h
   ========================================================================== */

/* VARIÁVEIS / TOKENS */
:root {
  --color-bg-base: #030803;
  --color-bg-card: rgba(16, 38, 16, 0.85);
  --color-primary: #34d399; /* Neon green */
  --color-primary-dark: #059669;
  --color-text-main: #ffffff;
  --color-text-muted: #a1a1aa;
  
  --border-glass: rgba(52, 211, 153, 0.2);
  --shadow-glow: 0 0 20px rgba(52, 211, 153, 0.3);

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
}

/* RESET BÁSICO */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg-base);
  background-image: linear-gradient(rgba(3, 8, 3, 0.85), rgba(3, 8, 3, 0.95)), url('../../assets/bg_sales.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--color-text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.section {
  padding: 100px 0;
}

/* BOTÕES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(52, 211, 153, 0.6);
}

/* HERO SECTION */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  overflow: hidden;
}

/* Background Glow */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(52,211,153,0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.badge-presale {
  display: inline-block;
  background: rgba(52, 211, 153, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(to right, #fff, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

/* PREÇO E COUNTDOWN */
.offer-box {
  background: var(--color-bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 40px;
  margin: 40px auto;
  max-width: 600px;
  backdrop-filter: blur(10px);
}

.price-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.price-old {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  font-weight: 600;
}

.price-new {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1;
}

.countdown-wrapper {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.countdown-title {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-value {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.countdown-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* BENEFÍCIOS / MÓDULOS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.3s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: #fff;
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* SECTION HEADERS */
.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  color: var(--color-text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

/* AUTOR */
.author-section {
  display: flex;
  align-items: center;
  gap: 60px;
  background: linear-gradient(180deg, var(--color-bg-base) 0%, #061808 100%);
  padding: 80px 40px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.05);
}

.author-img-zoom {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.5);
  transform-origin: center 20%;
}

.author-info h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 16px;
}

.author-info p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

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

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--color-text-muted);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

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

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* RESPONSIVO */
@media (max-width: 768px) {
  .author-section {
    flex-direction: column;
    text-align: center;
    padding: 40px 20px;
  }
  
  .grid-features {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .price-new {
    font-size: 2.5rem;
  }
  
  .offer-box {
    padding: 24px;
  }
}