:root {
  color-scheme: dark;
  --background: #0a0a0a;
  --text: #ffffff;
  --muted: #a0a0a0;
  --gold: #d4af37;
  --gold-soft: rgba(212, 175, 55, 0.16);
  --font-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --font-sans: "Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgba(212, 175, 55, 0.07), transparent 34rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 38%),
    var(--background);
  color: var(--text);
  font-family: var(--font-sans);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 100% 4px;
  opacity: 0.32;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding: clamp(2rem, 5vw, 5rem);
}

.hero {
  width: min(100%, 72rem);
  text-align: center;
  animation: fade-in 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.subheadline,
.copy,
.button,
.disclaimer {
  animation: reveal 1100ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

h1 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(3.6rem, 11vw, 9.4rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.82;
  overflow-wrap: anywhere;
  animation: reveal-headline 1200ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.subheadline {
  max-width: 48rem;
  margin: clamp(1.25rem, 3vw, 2.2rem) auto 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3.4vw, 3.1rem);
  line-height: 1.05;
  animation-delay: 260ms;
}

.copy {
  display: grid;
  gap: 0.36rem;
  margin: clamp(2rem, 5vw, 4.1rem) auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.55;
  animation-delay: 380ms;
}

.copy p,
.disclaimer {
  margin: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.55rem;
  margin-top: clamp(2rem, 4.8vw, 3.7rem);
  padding: 0.95rem 1.45rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: transparent;
  box-shadow: 0 0 0 0 var(--gold-soft);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 260ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 260ms cubic-bezier(0.16, 1, 0.3, 1),
    color 260ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
  animation-delay: 500ms;
}

.button:hover,
.button:focus-visible {
  background: var(--gold);
  box-shadow: 0 1.25rem 4rem var(--gold-soft);
  color: #15130c;
  transform: translateY(-2px);
}

.button:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 5px;
}

.disclaimer {
  max-width: 36rem;
  margin: clamp(1.45rem, 3.2vw, 2.15rem) auto 0;
  color: rgba(160, 160, 160, 0.78);
  font-size: clamp(0.78rem, 1.2vw, 0.9rem);
  line-height: 1.65;
  animation-delay: 620ms;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes reveal-headline {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 680px) {
  .page-shell {
    align-items: center;
    padding: 2rem 1.1rem;
  }

  h1 {
    font-size: clamp(3.35rem, 17vw, 6.8rem);
  }

  .button {
    width: min(100%, 21rem);
    min-height: 3.7rem;
    padding-inline: 1rem;
    font-size: 0.76rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}
