/* CSS Reset & Variables */
:root {
  --bg-main: #FFF9F2;
  --surface: #FFFFFF;
  --primary-coral: #F45F72;
  --primary-dark: #1E1E24;
  --secondary-beige: #EEDCC8;
  --muted-text: #6E6A67;
  --success: #16855B;
  --warning: #D97706;
  --border: #EDE7DF;
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(30, 30, 36, 0.04);
  --shadow-md: 0 8px 24px rgba(30, 30, 36, 0.08);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

body {
  background-color: var(--bg-main);
  color: var(--primary-dark);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

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

/* Promotion Bar */
.promo-bar {
  background: var(--primary-dark);
  color: #FFFFFF;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.countdown-badge {
  background: var(--primary-coral);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s;
  min-height: 48px;
}

.btn-primary {
  background: var(--primary-coral);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #E04D60;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary-beige);
  color: var(--primary-dark);
}

/* Hero Section */
.hero {
  padding: 4rem 0 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1.25rem;
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--muted-text);
  margin-bottom: 2rem;
}

.badges {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.badge {
  background: var(--secondary-beige);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Customizer Preview Box */
.customizer-preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}

.preview-stage {
  height: 280px;
  background: #FDFBF7;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px dashed var(--border);
}

.svg-preview-container {
  width: 100%;
  height: 100%;
}

/* Interactive Controls Form */
.configurator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-coral);
}

/* Color Swatches */
.swatch-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.swatch-btn {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.swatch-btn.active {
  border-color: var(--primary-coral);
  background: #FFF5F6;
}

.color-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
  display: inline-block;
}

/* Price Breakdown */
.price-summary {
  background: var(--bg-main);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: 1.5rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.price-row.total {
  font-size: 1.25rem;
  font-weight: 700;
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
  margin-bottom: 0;
}

.price-original {
  text-decoration: line-through;
  color: var(--muted-text);
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 80px;
  right: 20px;
  background: #25D366;
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  z-index: 99;
}

/* Accordion FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}

.faq-answer {
  display: none;
  padding-top: 0.5rem;
  color: var(--muted-text);
}

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

/* Sticky Mobile Bottom Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.8rem 1.2rem;
  z-index: 98;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.05);
  justify-content: space-between;
  align-items: center;
}

/* Responsive Rules */
@media (max-width: 992px) {
  .hero { grid-template-columns: 1fr; }
  .configurator-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 768px) {
  .hero-content h1 { font-size: 2.25rem; }
  .swatch-group { grid-template-columns: repeat(2, 1fr); }
  .mobile-sticky-bar { display: flex; }
  body { padding-bottom: 70px; }
}