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

:root {
  --color-bg-primary: #040507; /* Profundidade Dark */
  --color-bg-secondary: rgba(10, 12, 16, 0.6);
  --color-border: rgba(255, 255, 255, 0.05); /* Efeito de vidro */
  
  --color-text-primary: #F0F2F5;
  --color-text-secondary: #A0AAB5;
  
  --color-accent-light: #00E5FF; /* Cyan Neon */
  --color-accent-dark: #008299;
  --color-warning: #FF5A00; /* Laranja de Fibra Ótica */
  
  /* Neumorphic Shadows */
  --shadow-neo-dark: 8px 8px 20px rgba(0, 0, 0, 0.8), -2px -2px 10px rgba(255, 255, 255, 0.02);
  --shadow-neo-inset: inset 4px 4px 10px rgba(0,0,0,0.6), inset -2px -2px 8px rgba(0, 229, 255, 0.05);
  --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.2);
  
  --font-heading: 'Insignia', 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  /* Fundo degradê sutil para profundidade */
  background-image: radial-gradient(circle at 15% 50%, rgba(0, 229, 255, 0.03), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(255, 90, 0, 0.03), transparent 25%);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { font-size: 1.125rem; color: var(--color-text-secondary); margin-bottom: 1rem; }
a { color: var(--color-accent-light); text-decoration: none; transition: color var(--transition-fast), text-shadow var(--transition-fast); }
a:hover { color: #fff; text-shadow: 0 0 10px var(--color-accent-light); }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent-light); text-shadow: 0 0 15px rgba(0, 229, 255, 0.3); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

::selection {
  background-color: var(--color-accent-light);
  color: var(--color-bg-primary);
}
/* WhatsApp Floating Button */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.whatsapp-floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}
.whatsapp-floating-btn svg {
    width: 32px;
    height: 32px;
}