:root {
  --color-accent: #f05f40;
  --color-accent-dark: #ee4b28;
  --color-ink: #212529;
  --color-ink-soft: rgba(33, 37, 41, 0.7);
  --color-bg: #fff;
  --color-on-dark: rgba(255, 255, 255, 0.85);
  --font-body: "Merriweather", "Helvetica Neue", Arial, serif;
  --font-display: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  --content-max: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  transition: color 0.2s;
}
a:hover, a:focus { color: var(--color-accent-dark); }

h1, h2 {
  font-family: var(--font-display);
  font-weight: 800;
  margin: 0;
}

hr {
  width: 50px;
  border: 0;
  border-top: 3px solid var(--color-accent);
  margin: 1.5rem auto;
}

::selection { color: #fff; background: var(--color-ink); }

.hero {
  min-height: 100svh;
  color: #fff;
  background:
    linear-gradient(rgba(33, 37, 41, 0.35), rgba(33, 37, 41, 0.45)),
    url("../img/header.jpg") center / cover no-repeat;
  display: flex;
  flex-direction: column;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  font-family: var(--font-display);
}

.nav__brand,
.nav__link {
  color: var(--color-on-dark);
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
}
.nav__brand { font-size: 0.95rem; }
.nav__link  { font-size: 0.9rem; }
.nav__brand:hover, .nav__brand:focus,
.nav__link:hover,  .nav__link:focus { color: #fff; }

.hero__inner {
  flex: 1;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem;
}

.hero__inner h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  text-transform: uppercase;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 999px;
  transition: background 0.2s;
}
.btn:hover, .btn:focus { background: var(--color-accent-dark); color: #fff; }

.links {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) 1.5rem;
  text-align: center;
}

.links__heading { font-size: clamp(1.5rem, 4vw, 2.25rem); }

.links__grid {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.card__icon {
  font-size: 3rem;
  color: var(--color-ink);
}

.card__link {
  font-weight: 700;
  text-decoration: none;
}
.card__link:hover, .card__link:focus { text-decoration: underline; }

.card__caption {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-ink: #e9ecef;
    --color-ink-soft: rgba(233, 236, 239, 0.7);
    --color-bg: #121417;
  }
}