:root {
  --ink: #161914;
  --ink-soft: #4a4f47;
  --mist: #eef1ec;
  --mist-deep: #dfe5d8;
  --accent: #2f5d4a;
  --accent-hover: #244a3b;
  --line: rgba(22, 25, 20, 0.12);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Outfit", sans-serif;
  font-weight: 300;
  letter-spacing: 0.01em;
  background: var(--mist);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 90% 70% at 12% 18%, #f7f8f4 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 88% 78%, var(--mist-deep) 0%, transparent 50%),
    linear-gradient(165deg, #f3f5f0 0%, var(--mist) 45%, #e7ebe3 100%);
  animation: atmosphere-drift 18s var(--ease) infinite alternate;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.stage {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 5rem);
  max-width: 42rem;
}

.brand {
  margin: 0 0 1.75rem;
  font-family: "Instrument Serif", serif;
  font-size: clamp(3.25rem, 9vw, 5.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(0.85rem);
  animation: rise 1s var(--ease) 0.08s forwards;
}

.headline {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: "Outfit", sans-serif;
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  opacity: 0;
  transform: translateY(0.85rem);
  animation: rise 1s var(--ease) 0.22s forwards;
}

.lede {
  margin: 0 0 2.25rem;
  max-width: 34ch;
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  line-height: 1.55;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(0.85rem);
  animation: rise 1s var(--ease) 0.36s forwards;
}

.cta {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.7rem 0;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    transform 0.25s var(--ease);
  opacity: 0;
  transform: translateY(0.85rem);
  animation: rise 1s var(--ease) 0.5s forwards;
}

.cta:hover {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}

.cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.foot {
  position: fixed;
  z-index: 2;
  left: clamp(2rem, 6vw, 5rem);
  bottom: 1.5rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  animation: fade 1.2s var(--ease) 0.7s forwards;
}

.foot a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.foot a:hover {
  color: var(--ink);
  border-bottom-color: var(--line);
}

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

@keyframes fade {
  to {
    opacity: 1;
  }
}

@keyframes atmosphere-drift {
  from {
    transform: scale(1) translate(0, 0);
  }
  to {
    transform: scale(1.04) translate(-1.5%, 1%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere {
    animation: none;
  }

  .brand,
  .headline,
  .lede,
  .cta,
  .foot {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .stage {
    padding-bottom: 5rem;
  }

  .foot {
    left: clamp(2rem, 6vw, 5rem);
    right: clamp(2rem, 6vw, 5rem);
    flex-wrap: wrap;
  }
}