@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #ff6b35; /* Laranja da marca */
  --primary-dark: #e85926;
  --secondary: #fff3ed;
  --text-dark: #1f2937;
  --text-light: #4b5563;
  --bg-light: #f9fafb;
  --white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --radius: 8px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.bg-light {
  background-color: var(--bg-light);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.max-w-800 {
  max-width: 800px;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-header p {
  color: var(--text-light);
  font-size: 1rem;
}

.mt-4 {
  margin-top: 2rem;
}

/* ================= NAV ================= */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  padding: 15px 0;
}

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

.logo strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-links {
  display: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
  }
  .nav-links a:hover {
    color: var(--primary);
  }
  .nav-cta {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 8px 16px;
    border-radius: var(--radius);
  }
  .nav-cta:hover {
    background-color: var(--primary-dark);
  }
}

/* ================= BUTTONS ================= */
.cta-button {
  display: inline-block;
  background-color: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  text-align: center;
  padding: 16px 24px;
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
  transition: all 0.3s ease;
  width: 100%;
  max-width: 350px;
}

.cta-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.cta-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}

.cta-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

.center-cta {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(255, 107, 53, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 107, 53, 0); }
}

.pulse {
  animation: pulse 2s infinite;
}

/* ================= HERO ================= */
.hero {
  padding-top: 100px;
  padding-bottom: 40px;
  background: linear-gradient(135deg, var(--secondary) 0%, #ffffff 100%);
}

.hero-text-top, .hero-content-bottom {
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 24px;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  text-align: left;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 600;
  color: var(--text-dark);
}

.hero-image {
  margin-top: 20px;
  margin-bottom: 30px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero { padding-top: 140px; padding-bottom: 80px; }
  .hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0 40px;
    align-items: center;
  }
  .hero-text-top {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    text-align: left;
    align-self: end;
    padding-bottom: 20px;
  }
  .hero-content-bottom {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    text-align: left;
    align-self: start;
  }
  .hero h1 { font-size: 3rem; }
  .hero p { font-size: 1.25rem; }
  .hero-bullets { margin-left: 0; margin-right: 0; }
  .hero-image { 
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    margin-top: 0;
    margin-bottom: 0;
  }
}

/* ================= COMO FUNCIONA (BENEFITS) ================= */
.como-funciona {
  padding: 60px 0;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.beneficio-item {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary);
  transition: transform 0.3s ease;
}

.beneficio-item:hover {
  transform: translateY(-5px);
}

.beneficio-item h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.beneficio-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .beneficios-grid { grid-template-columns: repeat(2, 1fr); padding: 0 40px; }
}
@media (min-width: 1024px) {
  .beneficios-grid { grid-template-columns: repeat(4, 1fr); padding: 0; }
}

/* ================= FÓRMULA ================= */
.formula {
  padding: 60px 0;
}

.formula-image {
  margin-bottom: 40px;
  border-radius: var(--radius);
  overflow: hidden;
}

.formula-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.formula-content p {
  color: var(--text-light);
  margin-bottom: 24px;
}

.formula-lista {
  list-style: none;
  margin-bottom: 30px;
}

.formula-lista li {
  margin-bottom: 16px;
  padding-left: 32px;
  position: relative;
}

.formula-lista li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  background-color: var(--primary);
  color: white;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

@media (min-width: 768px) {
  .formula { padding: 80px 0; }
  .formula-container {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-direction: row-reverse;
  }
  .formula-image, .formula-content { flex: 1; margin-bottom: 0; }
}

/* ================= RESULTADOS (CAROUSEL) ================= */
.resultados {
  padding: 60px 0;
}

.carousel-nativo {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 16px;
  padding-bottom: 20px;
  scrollbar-width: none; /* Firefox */
}

.carousel-nativo::-webkit-scrollbar {
  display: none; /* Safari e Chrome */
}

.slide-item {
  flex: 0 0 80%;
  scroll-snap-align: center;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.slide-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.scroll-hint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 5px;
  opacity: 0.7;
}

@media (min-width: 768px) {
  .carousel-nativo { gap: 24px; }
  .slide-item { flex: 0 0 45%; }
}
@media (min-width: 1024px) {
  .slide-item { flex: 0 0 30%; }
}

/* ================= INSTRUÇÕES DE USO ================= */
.instrucoes {
  padding: 60px 0;
}

.passos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  text-align: center;
}

.passo {
  position: relative;
  background: var(--bg-light);
  padding: 30px 20px;
  border-radius: var(--radius);
}

.passo-numero {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
}

.passo img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-md);
}

.passo h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.passo p {
  color: var(--text-light);
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .passos-grid { grid-template-columns: repeat(3, 1fr); gap: 40px; }
  .passo { padding: 40px 20px; }
}

/* ================= KITS (LOJA) ================= */
.kits {
  padding: 80px 0;
}

.kits-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.kit-card {
  background: var(--white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.kit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #ffd0bf;
}

.kit-card.destaque {
  border-color: var(--primary);
  box-shadow: 0 10px 30px -5px rgba(255, 107, 53, 0.2);
  transform: scale(1.02);
}

.kit-card.destaque:hover {
  transform: scale(1.04) translateY(-5px);
}

.tag-destaque {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.kit-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
}

.kit-header span {
  color: var(--text-light);
  font-size: 0.9rem;
}

.kit-image {
  margin: 20px 0;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kit-image img {
  max-height: 100%;
}

.kit-price {
  margin-bottom: 24px;
  margin-top: auto;
}

.kit-price .por {
  display: block;
  font-size: 1.1rem;
  color: var(--text-dark);
}

.kit-price strong {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

@media (min-width: 768px) {
  .kits-container { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
  .kit-card.destaque { transform: scale(1.08); z-index: 2; border-width: 3px; }
  .kit-card { padding: 40px 20px; }
}

/* ================= GARANTIA ================= */
.garantia {
  background-color: var(--text-dark);
  color: var(--white);
  padding: 60px 0;
}

.garantia-selo {
  width: 120px;
  margin: 0 auto 24px auto;
}

.garantia-text h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-align: center;
}

.garantia-text p {
  text-align: center;
  color: #d1d5db;
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  .garantia-container {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  .garantia-selo { width: 140px; margin: 0; flex-shrink: 0; }
  .garantia-text { flex: 1; }
  .garantia-text h2, .garantia-text p { text-align: left; }
}

/* ================= FAQ ================= */
.faq {
  padding: 60px 0;
}

.faq-accordion details {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-accordion summary {
  padding: 20px;
  font-weight: 700;
  cursor: pointer;
  list-style: none; /* Firefox */
  position: relative;
  font-size: 1.05rem;
}

.faq-accordion summary::-webkit-details-marker {
  display: none; /* Safari/Chrome */
}

.faq-accordion summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-accordion details[open] summary::after {
  content: '-';
}

.faq-content {
  padding: 0 20px 20px;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ================= FOOTER ================= */
.footer {
  background: #111827;
  color: #9ca3af;
  padding: 40px 0;
  text-align: center;
}

.footer h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.footer p {
  font-size: 0.9rem;
}