@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@500;700&display=swap');

:root {
  color-scheme: dark;
  font-family: 'DM Sans', sans-serif;
  background: #000;
  color: #f5f5f0;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100svh;
  background: #000;
}

nav {
  position: fixed;
  top: 2.25rem;
  right: 1.5rem;
  z-index: 1;
}

summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  color: #f5f5f0;
  padding: 0.45rem 0.2rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  list-style: none;
  text-transform: uppercase;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  width: 0.45rem;
  height: 0.45rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: '';
  transform: translateY(-0.15rem) rotate(45deg);
  transition: transform 180ms ease;
}

details[open] summary::after {
  transform: translateY(0.1rem) rotate(225deg);
}

summary:focus-visible,
.menu-panel a:focus-visible {
  outline: 1px solid #f5f5f0;
  outline-offset: 0.35rem;
}

.menu-panel {
  position: absolute;
  top: calc(100% + 1.4rem);
  right: 0;
  min-width: 12rem;
  padding: 1rem 1.1rem;
  border: 1px solid #30302d;
  background: #0b0b0a;
  box-shadow: 0 1rem 2.5rem rgb(0 0 0 / 35%);
}

.menu-panel a {
  color: #f5f5f0;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.menu-panel a:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

main {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 2rem;
}

h1 {
  max-width: 12ch;
  margin: 0;
  color: #f5f5f0;
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.92;
  text-align: center;
  text-wrap: balance;
}

@media (prefers-reduced-motion: no-preference) {
  h1 {
    animation: arrive 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}