/* ===== RESET E BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --background: #ffffff;
  --foreground: #1a1a1a;
  --muted: #f5f5f5;
  --muted-foreground: #737373;
  --border: #e5e5e5;
  --primary: #1a1a1a;
  --primary-foreground: #ffffff;
  --secondary: #f5f5f5;
  --secondary-foreground: #1a1a1a;
  --accent: #f5f5f5;
  --radius: 0.75rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

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

.text-balance {
  text-wrap: balance;
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover {
  background-color: #333;
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--muted);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}

.logo span {
  color: var(--muted-foreground);
  font-weight: 400;
}

.nav-desktop {
  display: none;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-desktop a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  transition: color 0.2s;
}

.nav-desktop a:hover {
  color: var(--foreground);
}

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta {
    display: flex;
  }
}

.mobile-menu-btn {
  display: flex;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted-foreground);
}

.mobile-menu a:hover {
  color: var(--foreground);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 120px 0 60px;
  background: linear-gradient(180deg, #f8f8f8 0%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--muted);
  border-radius: 9999px;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.hero-feature svg {
  color: #22c55e;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-stars {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
}

.hero-rating-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.hero-image-container {
  position: relative;
}

.hero-image {
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.hero-price-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
}

.hero-price-badge .old-price {
  font-size: 0.875rem;
  text-decoration: line-through;
  opacity: 0.7;
}

.hero-price-badge .price {
  font-size: 1.5rem;
  font-weight: 700;
}

.hero-price-badge .installment {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* ===== PRODUCT SECTION ===== */
.product-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 1rem auto 0;
}

.product-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.3s ease;
}

.product-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.product-card-icon {
  width: 48px;
  height: 48px;
  background: var(--muted);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.product-card h3 {
  margin-bottom: 0.75rem;
}

.product-card p {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

/* ===== BENEFITS SECTION ===== */
.benefits-section {
  padding: 80px 0;
  background: var(--muted);
}

.benefits-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-card {
  background: var(--background);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.benefit-card-icon {
  width: 56px;
  height: 56px;
  background: var(--muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.benefit-card h4 {
  margin-bottom: 0.5rem;
}

.benefit-card p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* ===== SPECS SECTION ===== */
.specs-section {
  padding: 80px 0;
}

.specs-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .specs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr {
  border-bottom: 1px solid var(--border);
}

.specs-table td {
  padding: 1rem 0;
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--foreground);
}

.specs-table td:last-child {
  color: var(--muted-foreground);
  text-align: right;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
  padding: 80px 0;
  background: var(--muted);
}

.testimonials-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--background);
  border-radius: var(--radius);
  padding: 2rem;
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--muted-foreground);
}

.testimonial-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* ===== FAQ SECTION ===== */
.faq-section {
  padding: 80px 0;
}

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

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.faq-question svg {
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--muted-foreground);
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 80px 0;
  background: var(--primary);
  color: var(--primary-foreground);
}

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

.cta-content h2 {
  color: var(--primary-foreground);
  margin-bottom: 1rem;
}

.cta-content p {
  opacity: 0.9;
  margin-bottom: 2rem;
}

.cta-price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cta-installment {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-cta {
  background: var(--background);
  color: var(--foreground);
}

.btn-cta:hover {
  background: #f0f0f0;
}

.cta-guarantees {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--foreground);
  color: var(--primary-foreground);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand .logo {
  color: var(--primary-foreground);
  margin-bottom: 1rem;
}

.footer-brand p {
  opacity: 0.7;
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-column h4 {
  color: var(--primary-foreground);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.footer-column ul li {
  margin-bottom: 0.75rem;
}

.footer-column ul a {
  opacity: 0.7;
  font-size: 0.9375rem;
  transition: opacity 0.2s;
}

.footer-column ul a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom p {
  opacity: 0.7;
  font-size: 0.875rem;
}

.footer-payments {
  display: flex;
  gap: 0.5rem;
}

.footer-payments span {
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  font-size: 0.75rem;
}

/* ===== POLICY PAGES ===== */
.policy-page {
  padding: 120px 0 60px;
}

.policy-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.policy-header p {
  color: var(--muted-foreground);
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-section {
  margin-bottom: 2rem;
}

.policy-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.policy-section p,
.policy-section li {
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.policy-section ul {
  padding-left: 1.5rem;
  list-style: disc;
}

.policy-section strong {
  color: var(--foreground);
}

/* ===== CONTACT PAGE ===== */
.contact-page {
  padding: 120px 0 60px;
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info-card {
  background: var(--muted);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info-card h4 {
  margin-bottom: 0.5rem;
}

.contact-info-card p {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.contact-form {
  background: var(--muted);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--background);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-success {
  background: #dcfce7;
  color: #166534;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.form-error {
  background: #fee2e2;
  color: #991b1b;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

/* ===== UTILITIES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 767px) {
  .hide-mobile {
    display: none !important;
  }
}