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

:root {
  --color-navy: #00285f;
  --color-orange: #f78b00;
  --color-text: #555555;
  --color-heading: #333333;
  --color-footer-bg: #fbfbfb;
  --color-footer-text: #444444;
  --font-body: "Archivo Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Montserrat", "Archivo Narrow", Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: #fff;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: 700;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--color-navy);
}

a:hover {
  color: var(--color-orange);
}

button,
input,
select,
textarea {
  font: inherit;
}

/* Focus visibility for keyboard users */
:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border-radius: 50%;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform .15s, box-shadow .15s;
}

.whatsapp-float__icon {
  display: block;
  width: 56px;
  height: 56px;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  text-decoration: none;
}

@media (max-width: 420px) {
  .whatsapp-float {
    bottom: 14px;
    left: 14px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float__icon {
    width: 52px;
    height: 52px;
  }
}