/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #faf8f5;
  --color-bg-alt: #ffffff;
  --color-text: #1a1a1a;
  --color-text-soft: #6b6b6b;
  --color-accent: #c9a961;
  --color-accent-dark: #a88a4a;
  --color-success: #2d6a4f;
  --color-success-bg: #e8f3ed;
  --color-border: #ebe6dd;
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 26, 26, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* Typography */
h1, h2, h3 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-soft);
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-dark);
}

/* Layout containers */
.nav-bar {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
}

.nav-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-logo span {
  color: var(--color-accent);
  font-style: italic;
}

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--color-text-soft);
}

.nav-links a:hover {
  color: var(--color-text);
}

section, header.hero, footer {
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Hero */
.hero {
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(201, 169, 97, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent-dark);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-soft);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}

/* Cupom box */
.cupom-box {
  display: inline-flex;
  align-items: stretch;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.cupom-box:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.cupom-code {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
}

.btn-copiar {
  background: var(--color-text);
  color: var(--color-bg-alt);
  border: none;
  padding: 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-copiar:hover {
  background: var(--color-accent-dark);
}

.btn-copiar.copied {
  background: var(--color-success);
}

.hero-nota {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* Section */
.section-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 3rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
  display: block;
}

/* Calculadora */
.calculadora .calc-form {
  display: grid;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.calc-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: 0.5rem;
}

.calc-field input,
.calc-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-bg-alt);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.calc-field input:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.15);
}

.btn-calcular {
  background: var(--color-text);
  color: var(--color-bg-alt);
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
  font-family: inherit;
  margin-top: 1.5rem;
}

.btn-calcular:hover {
  background: var(--color-accent-dark);
}

.calc-resultado {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--color-success-bg);
  border-radius: var(--radius-md);
  text-align: center;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.calc-resultado .resultado-valor {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--color-text);
}

.calc-resultado .resultado-valor strong {
  display: block;
  font-size: 2.5rem;
  color: var(--color-success);
  margin-top: 0.5rem;
  font-weight: 500;
}

.resultado-detalhe {
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* Como usar */
.como-usar { text-align: center; }

.passos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.passo {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.passo:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.passo-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-text);
  color: var(--color-bg-alt);
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

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

.passo p strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  background: rgba(201, 169, 97, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}

/* Bookmarklet */
.bookmarklet {
  text-align: center;
}

.bookmarklet-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-text) 0%, #2a2a2a 100%);
  color: var(--color-bg-alt);
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  margin: 1.5rem 0;
  cursor: grab;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.bookmarklet-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-bg-alt);
}

.bookmarklet-btn:active {
  cursor: grabbing;
}

.bookmarklet-instrucao {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* Lojas */
.lojas {
  text-align: center;
}

.lojas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.loja-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.loja-card::after {
  content: '→';
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  opacity: 0;
  transition: all var(--transition);
  font-size: 1.25rem;
  color: var(--color-accent-dark);
}

.loja-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.loja-card:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.loja-nome {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.loja-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* Email */
.email-capture {
  text-align: center;
  background: var(--color-text);
  color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
}

.email-capture h2 {
  color: var(--color-bg-alt);
}

.email-capture p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.email-form {
  display: flex;
  gap: 0.5rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.email-form input {
  flex: 1;
  min-width: 220px;
  padding: 0.95rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-bg-alt);
  transition: all var(--transition);
}

.email-form input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.email-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.btn-email {
  background: var(--color-accent);
  color: var(--color-text);
  border: none;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
  font-family: inherit;
}

.btn-email:hover {
  background: #d9b970;
}

.email-msg {
  margin-top: 1rem;
  color: var(--color-accent);
  font-size: 0.9rem;
}

/* FAQ */
.faq details {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: border-color var(--transition);
}

.faq details:hover {
  border-color: var(--color-accent);
}

.faq summary {
  font-weight: 500;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent-dark);
  font-weight: 300;
  transition: transform var(--transition);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  margin-top: 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font-size: 0.85rem;
  margin-top: 2rem;
}

footer a {
  color: var(--color-text-soft);
}

/* Page-specific (loja pages) */
.page-hero {
  text-align: center;
  padding-top: 4rem;
  padding-bottom: 3rem;
}

/* Desktop */
@media (min-width: 700px) {
  .calc-form {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
  }

  .passos {
    grid-template-columns: repeat(3, 1fr);
  }

  .lojas-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 500px) {
  section, header.hero, footer {
    padding: 3rem 1.25rem;
  }

  .section-card {
    padding: 2rem 1.5rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.85rem;
  }
}

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&family=JetBrains+Mono:wght@500;600&display=swap');