:root {
  /* Updated color palette to blue theme */
  --color-stone-dark: #1a2332;
  --color-stone-medium: #4a5568;
  --color-stone-light: #e2e8f0;
  --color-sand: #f7fafc;
  --color-river: #2c5282;
  --color-white: #ffffff;
  --color-accent: #2b6cb0;
  --color-accent-light: #4299e1;
  --color-accent-dark: #1e4e8c;

  /* Tipografia */
  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;

  /* Espaçamento */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transições */
  --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.3s ease;
}

body {
  font-family: var(--font-body);
  color: var(--color-stone-dark);
  background-color: var(--color-sand);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  opacity: 1 !important;
  visibility: visible !important;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-sand);
}

::-webkit-scrollbar-thumb {
  background: var(--color-stone-medium);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-stone-dark);
}

@media (max-width: 768px) {
  ::-webkit-scrollbar {
    width: 5px;
  }
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9000;
  background: #25d366;
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  background: #128c7e;
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 6rem;
    right: 1rem;
    width: 50px;
    height: 50px;
  }
}