:root {
  --color-indigo: #2D244A;
  --color-teal: #2FA98E;
  --color-bg: #F8F8FA;
  --color-divider: #E8E8ED;
  --color-mint: #EAF8F4;
}

html {
  background: var(--color-bg);
}

body {
  color: var(--color-indigo);
  padding-inline: 1.5rem;
}

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

/* Header / logo */

.site-header {
  max-width: 592px;
  margin: 0 auto;
  padding: 3rem 0 3.5rem;
  border-bottom: 1px solid var(--color-divider);
}

.logo {
  display: inline-block;
}

.logo svg {
  width: 259px;
  height: auto;
  fill: var(--color-indigo);
}

.site-header h1 {
  margin-top: 2rem;
}

.site-header p {
  font-size: 1.0625rem;
  font-weight: 500;
}

.site-header p:last-child {
  margin-bottom: 0;
}

/* Layout */

main {
  max-width: 592px;
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

section + section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--color-divider);
}

/* Section headings use the accent colour */

.features h2 {
  color: var(--color-teal);
}

/* Feature list */

.features ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0;
}

.features li {
  background: var(--color-mint);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;


  @media (min-width: 640px) {
    width: 288px;
  } 
}

.features .icon {
  width: 32px;
  height: 32px;
  fill: var(--color-teal);
  margin-bottom: 0.75rem;
}

/* Form */

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

label {
  display: block;
  margin-bottom: 0;
  color: var(--color-indigo);
}

input,
textarea {
  width: 100%;
  font: inherit;
  color: var(--color-indigo);
  background: #fff;
  border: 1px solid var(--color-divider);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-teal);
  outline-offset: 1px;
  border-color: var(--color-teal);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  align-self: flex-start;
  font-family: var(--font-sans);
  font-weight: 600;
  color: #fff;
  background: var(--color-teal);
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.75rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.92);
}