/** Global CSS File **/

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--fs-900);
}
h2 {
  font-size: var(--fs-800);
}
h3 {
  font-size: var(--fs-700);
}
h4 {
  font-size: var(--fs-600);
}
h5 {
  font-size: var(--fs-500);
}
h6 {
  font-size: var(--fs-400);
}

/* Links */
a {
  color: var(--color-text);
}

a:hover {
  color: var(--color-contrast-cool);
}

/* Images */
img {
  border-radius: var(--radius-sm);
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1;
}

footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  z-index: 1;
}

body {
  background-image: radial-gradient(
    circle,
    var(--color-bg-alt),
    var(--color-bg)
  );
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-400);
  line-height: var(--lh-normal);
  overflow: hidden;
}

main {
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

section {
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-flow: column;
  align-items: center;
  position: relative;
}

/* FORMS */
form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 500px;
  margin: 0 auto;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--color-text);
}

input,
textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 1rem;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--color-contrast-cool);
  outline: none;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
  }
}