:root {
  color-scheme: light;
  --color-cream: #F8F5EF;
  --color-sage: #A3B18A;
  --color-rose: #E8CFCB;
  --color-ink: #424B3C;
  --color-line: #d7ddce;
  --nav-height: 5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1rem);
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-cream);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}

.site-header {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 9vw, 7rem) 1.25rem clamp(3rem, 7vw, 5rem);
  text-align: center;
  background:
    radial-gradient(ellipse at 10% 12%, rgb(163 177 138 / 18%), transparent 28%),
    radial-gradient(ellipse at 90% 86%, rgb(232 207 203 / 35%), transparent 30%),
    var(--color-cream);
}

.site-header::before,
.site-header::after {
  position: absolute;
  color: var(--color-sage);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 1;
  opacity: 0.48;
  pointer-events: none;
}

.site-header::before {
  top: 0.2em;
  left: max(4%, calc((100% - 75rem) / 2));
  content: "❧";
  transform: rotate(-24deg);
}

.site-header::after {
  right: max(4%, calc((100% - 75rem) / 2));
  bottom: 0.1em;
  content: "❧";
  transform: scaleX(-1) rotate(-24deg);
}

.intro {
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin: 0 auto;
}

.names {
  margin: 0;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0.08em;
}

h1,
h2 {
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(2.7rem, 8vw, 5.25rem);
  letter-spacing: 0.015em;
  line-height: 1.12;
}

.wedding-date {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0 0;
  color: var(--color-ink);
  font-size: 1.1rem;
  letter-spacing: 0.14em;
}

.wedding-date::before,
.wedding-date::after {
  width: clamp(2rem, 8vw, 5rem);
  height: 1px;
  background: var(--color-sage);
  content: "";
}

.intro > p:last-of-type {
  margin: 1.5rem auto 0;
  color: var(--color-ink);
}

.wedding-countdown {
  width: min(100%, 34rem);
  margin: 2rem auto 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid rgb(163 177 138 / 65%);
  border-radius: 1.25rem;
  background: rgb(248 245 239 / 78%);
  box-shadow: 0 0.6rem 1.8rem rgb(66 75 60 / 8%);
}

.wedding-countdown__title {
  margin: 0 0 0.85rem;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.15rem, 3vw, 1.45rem);
}

.wedding-countdown__units {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.35rem, 2vw, 0.75rem);
}

.wedding-countdown__unit {
  display: grid;
  gap: 0.15rem;
  padding: 0.65rem 0.25rem;
  border-radius: 0.8rem;
  background: var(--color-rose);
}

.wedding-countdown__value {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 5vw, 2rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.wedding-countdown__label {
  font-size: clamp(0.65rem, 2.5vw, 0.85rem);
  line-height: 1.3;
}

.wedding-countdown__message {
  margin: 0;
  padding: 0.5rem;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1rem, 3vw, 1.25rem);
}

.site-nav {
  position: sticky;
  z-index: 10;
  top: 0;
  width: 100%;
  padding: 0.5rem 1rem;
  background: rgb(248 245 239 / 96%);
  border-top: 1px solid rgb(163 177 138 / 55%);
  border-bottom: 1px solid rgb(163 177 138 / 55%);
  box-shadow: 0 0.35rem 1rem rgb(66 75 60 / 7%);
  backdrop-filter: blur(0.5rem);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: min(100%, 75rem);
  min-height: 3rem;
  margin: 0 auto;
}

.site-nav__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.25rem 0.5rem;
}

.site-nav__links[hidden] {
  display: none;
}

.site-nav__links a {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  touch-action: manipulation;
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav__links a:hover,
.site-nav__links a:focus-visible {
  background: var(--color-rose);
}

.site-nav__links a:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.site-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 44px;
  min-width: 7rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-sage);
  border-radius: 999px;
  background: var(--color-cream);
  color: var(--color-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}

.site-nav__toggle:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.site-nav__hamburger {
  display: grid;
  gap: 4px;
  width: 1.2rem;
}

.site-nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

main {
  width: min(100% - 2rem, 54rem);
  margin: clamp(2rem, 6vw, 4rem) auto;
}

main > section {
  position: relative;
  margin: 0;
  padding: clamp(1.75rem, 5vw, 3rem) clamp(0.25rem, 2vw, 1rem);
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

main > section + section {
  border-top: 1px solid var(--color-line);
}

main > section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 4vw, 2.2rem);
  line-height: 1.25;
}

main > section h2::after {
  display: block;
  width: 3.25rem;
  margin-top: 0.7rem;
  color: var(--color-sage);
  content: "✿";
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  line-height: 1;
}

main > section p {
  max-width: 42rem;
  margin: 0.65rem 0 0;
}

main > section p + p {
  margin-top: 0.75rem;
}

.site-footer {
  padding: 2.5rem 1.25rem;
  border-top: 1px solid rgb(163 177 138 / 55%);
  background: var(--color-sage);
  color: var(--color-ink);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.rsvp-form {
  display: grid;
  gap: 1.25rem;
  width: min(100%, 38rem);
  margin-top: 1.5rem;
  padding: clamp(1rem, 4vw, 2rem);
  border: 1px solid rgb(163 177 138 / 65%);
  border-radius: 1.25rem;
  background: rgb(232 207 203 / 24%);
  box-shadow: 0 0.6rem 1.8rem rgb(66 75 60 / 7%);
}

.rsvp-form__field {
  display: grid;
  gap: 0.4rem;
}

.rsvp-form__field label,
.rsvp-form__attendance legend {
  color: var(--color-ink);
  font-weight: 600;
}

.rsvp-form__field label span {
  font-weight: 400;
}

.rsvp-form input[type="text"],
.rsvp-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-sage);
  border-radius: 0.65rem;
  background: var(--color-cream);
  color: var(--color-ink);
  font: inherit;
}

.rsvp-form textarea {
  min-height: 7rem;
  resize: vertical;
}

.rsvp-form__attendance {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.rsvp-form__attendance legend {
  margin-bottom: 0.4rem;
  padding: 0;
}

.rsvp-form__choice {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-line);
  border-radius: 0.65rem;
  background: rgb(248 245 239 / 78%);
  cursor: pointer;
}

.rsvp-form__choice input {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.3rem 0 0;
  accent-color: var(--color-ink);
}

.rsvp-form__submit {
  justify-self: start;
  min-height: 48px;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  background: var(--color-sage);
  color: var(--color-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 180ms ease, transform 180ms ease;
}

.rsvp-form__submit:hover {
  background: var(--color-rose);
}

.rsvp-form__submit:active {
  transform: translateY(1px);
}

.rsvp-form input:focus-visible,
.rsvp-form textarea:focus-visible,
.rsvp-form__choice:focus-within,
.rsvp-form__submit:focus-visible,
.rsvp-form__confirmation:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.rsvp-form__confirmation {
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--color-sage);
  border-radius: 0.25rem 0.75rem 0.75rem 0.25rem;
  background: var(--color-cream);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
}

.rsvp-demo-note {
  max-width: 38rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-sage);
  border-radius: 0.25rem 0.75rem 0.75rem 0.25rem;
  background: rgb(163 177 138 / 14%);
}

.rsvp-guestbook {
  width: min(100%, 54rem);
  margin-top: 2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-line);
  border-radius: 1.25rem;
  background: rgb(248 245 239 / 82%);
}

.rsvp-guestbook h3,
.rsvp-guestbook h4 {
  margin: 0;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.rsvp-guestbook h3 {
  font-size: clamp(1.35rem, 4vw, 1.75rem);
}

.rsvp-guestbook h4 {
  font-size: 1.2rem;
}

.rsvp-guestbook__status {
  margin: 0.5rem 0 1rem;
  color: var(--color-ink);
  font-size: 0.9rem;
}

.rsvp-guestbook__filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.rsvp-guestbook__filter,
.rsvp-guest-list__edit-form {
  display: grid;
  gap: 0.4rem;
}

.rsvp-guestbook__filter label,
.rsvp-guest-list__edit-form label {
  color: var(--color-ink);
  font-weight: 600;
}

.rsvp-guestbook__filter input,
.rsvp-guestbook__filter select,
.rsvp-guest-list__edit-form input,
.rsvp-guest-list__edit-form select,
.rsvp-guest-list__edit-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-sage);
  border-radius: 0.65rem;
  background: var(--color-cream);
  color: var(--color-ink);
  font: inherit;
}

.rsvp-guest-list__edit-form textarea {
  min-height: 5rem;
  resize: vertical;
}

.rsvp-guestbook__filter input:focus-visible,
.rsvp-guestbook__filter select:focus-visible,
.rsvp-guest-list__edit-form input:focus-visible,
.rsvp-guest-list__edit-form select:focus-visible,
.rsvp-guest-list__edit-form textarea:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.rsvp-guestbook__groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.rsvp-guestbook__group {
  min-width: 0;
  padding: 1rem;
  border-radius: 0.9rem;
  background: rgb(232 207 203 / 24%);
}

.rsvp-guest-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.rsvp-guest-list__item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: 0.7rem;
  background: var(--color-cream);
}

.rsvp-guest-list__details {
  min-width: 0;
  overflow-wrap: anywhere;
}

.rsvp-guest-list__actions,
.rsvp-guest-list__edit-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rsvp-guest-list__edit-form {
  width: 100%;
}

.rsvp-guest-list__name {
  display: block;
}

.rsvp-guest-list__message {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
}

.rsvp-guest-list__remove,
.rsvp-guest-list__edit {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--color-sage);
  border-radius: 999px;
  background: var(--color-cream);
  color: var(--color-ink);
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.rsvp-guest-list__remove:hover,
.rsvp-guest-list__edit:hover {
  background: var(--color-rose);
}

.rsvp-guest-list__remove:focus-visible,
.rsvp-guest-list__edit:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.rsvp-guest-list__empty {
  color: var(--color-ink);
  font-style: italic;
}

@media (max-width: 56rem) {
  .site-nav__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }

  .site-nav--ready .site-nav__toggle {
    display: inline-flex;
    justify-self: center;
  }

  .site-nav__links {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
    gap: 0.2rem;
    width: 100%;
  }

  .site-nav__links a {
    padding: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 42rem) {
  :root {
    --nav-height: 4.5rem;
  }

  .site-header {
    padding: 3.5rem 1rem;
  }

  .site-header::before {
    left: -0.2em;
  }

  .site-header::after {
    right: -0.2em;
  }

  main {
    width: min(100% - 2rem, 54rem);
    margin-block: 1.5rem;
  }

  .rsvp-guestbook__groups,
  .rsvp-guestbook__filters {
    grid-template-columns: minmax(0, 1fr);
  }

  .rsvp-guest-list__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .rsvp-guest-list__details {
    width: 100%;
  }

  .rsvp-guest-list__message {
    overflow-wrap: anywhere;
  }
}

@media (max-width: 24rem) {
  .site-header {
    padding: 3rem 0.75rem;
  }

  .wedding-date {
    gap: 0.6rem;
    font-size: 1rem;
    letter-spacing: 0.08em;
  }

  .wedding-countdown {
    padding: 0.85rem 0.65rem;
  }

  .wedding-countdown__units {
    gap: 0.3rem;
  }

  .wedding-countdown__unit {
    padding-inline: 0.1rem;
  }

  .wedding-countdown__value {
    font-size: clamp(1.2rem, 7vw, 1.5rem);
  }

  .wedding-countdown__label {
    font-size: 0.68rem;
  }

  .rsvp-form__submit {
    justify-self: stretch;
  }

  .rsvp-guestbook__groups {
    grid-template-columns: minmax(0, 1fr);
  }

  .rsvp-guestbook__filters {
    grid-template-columns: minmax(0, 1fr);
  }

  .rsvp-guest-list__item {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}