:root {
  --color-ivory: #f7f3ec;
  --color-ink: #2b2a27;
  --color-olive: #6b7a4f;
  --color-gold: #c9a24b;

  --text-base: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
  --text-eyebrow: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-eyebrow-lg: clamp(1.75rem, 1.2rem + 2.6vw, 3rem);
  --text-h1: clamp(2.25rem, 1.5rem + 3.5vw, 4rem);
  --text-date: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);

  --space-card: clamp(2rem, 1.5rem + 2.5vw, 4rem);
  --space-stack: clamp(0.75rem, 0.6rem + 0.5vw, 1.25rem);

  --duration-fast: 150ms;
  --duration-normal: 400ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--color-ivory);
  color: var(--color-ink);
  font-family: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.card {
  width: min(32rem, 100%);
  text-align: center;
  padding: var(--space-card) clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(201, 162, 75, 0.35);
  border-radius: 4px;
  background: #fffdf9;
  box-shadow: 0 1px 0 rgba(43, 42, 39, 0.04), 0 20px 40px -24px rgba(43, 42, 39, 0.35);
  animation: fade-in var(--duration-normal) var(--ease-out-expo) both;
}

.monogram {
  margin: 0 0 var(--space-stack);
  font-size: var(--text-eyebrow);
  letter-spacing: 0.3em;
  color: var(--color-olive);
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 calc(var(--space-stack) * 0.75);
  font-size: var(--text-eyebrow-lg);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
}

h1 {
  margin: 0 0 var(--space-stack);
  font-size: var(--text-h1);
  font-weight: 500;
  line-height: 1.1;
}

.date {
  margin: 0 0 0.25rem;
  font-size: var(--text-date);
  font-style: italic;
  color: var(--color-ink);
}

.place {
  margin: 0 0 var(--space-stack);
  font-size: var(--text-eyebrow);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-olive);
}

.more-info {
  margin: 0 0 calc(var(--space-stack) * 1.5);
  font-style: italic;
  color: rgba(43, 42, 39, 0.75);
}

.calendar-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-stack);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  color: var(--color-ink);
  text-decoration: none;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  transition: background-color var(--duration-fast) var(--ease-out-expo),
    color var(--duration-fast) var(--ease-out-expo),
    transform var(--duration-fast) var(--ease-out-expo);
}

.btn:hover {
  background: var(--color-ink);
  color: var(--color-ivory);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.btn-apple {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-apple:hover {
  background: var(--color-gold);
  color: var(--color-ink);
}

.in-app-hint {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.8125rem;
  color: rgba(43, 42, 39, 0.65);
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 40rem) {
  .calendar-buttons {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .btn {
    flex: 1 1 auto;
  }
}

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

  .btn {
    transition: none;
  }
}