/* fontstyle.css */

:root {
  --font-base: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --color-text: #111;
  --color-background: #fff;
  --color-accent: #0055ff;
  --color-accent-hover: #003fcc;
  --color-btn-bg: #0055ff;
  --color-btn-text: #fff;
  --color-btn-hover-bg: #003fcc;
  --transition-base: all 0.3s ease;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.2;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: var(--color-text);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-top: 0;
  margin-bottom: 1.25em;
  color: var(--color-text);
  font-weight: 300;
  max-width: 70ch;
}

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

a:hover,
a:focus {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Botón genérico */
a.btn, button.btn, .btn {
  display: inline-block;
  padding: 0.65em 1.2em;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-btn-text);
  background-color: var(--color-btn-bg);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: var(--transition-base);
}

a.btn:hover,
button.btn:hover,
.btn:hover {
  background-color: var(--color-btn-hover-bg);
}

/* Elementos esenciales extra */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  margin-left: 1.5em;
  padding-left: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  cursor: pointer;
}