* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.tantacom-rsvp-body {
  margin: 0;
  color: var(--tc-text);
  background: var(--tc-bg);
  font-family: var(--tc-sans);
}

.tc-rsvp-shell {
  min-height: 100vh;
  overflow: hidden;
  color: var(--tc-text);
  background:
    radial-gradient(circle at 50% 8%, color-mix(in srgb, var(--tc-accent), transparent 82%), transparent 30rem),
    linear-gradient(180deg, color-mix(in srgb, var(--tc-bg), white 8%), var(--tc-bg));
}

.tc-hero,
.tc-summary,
.tc-section,
.tc-footer {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.tc-hero {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 88px 0;
  text-align: center;
}

.tc-save-date {
  margin: 0 0 34px;
  color: var(--tc-primary);
  font: italic clamp(2.7rem, 7vw, 5.7rem)/1 var(--tc-serif);
  text-shadow: 0 1px 0 color-mix(in srgb, #fff, var(--tc-bg) 30%);
}

.tc-envelope {
  position: relative;
  width: min(500px, 86vw);
  height: 308px;
  padding: 0;
  border: 0;
  background: transparent !important;
  outline: 0;
  cursor: pointer;
  filter: drop-shadow(0 34px 32px rgba(28, 24, 20, .22));
  perspective: 900px;
}

.tc-envelope::before {
  content: "";
  position: absolute;
  inset: 82px 0 26px;
  z-index: 1;
  background:
    linear-gradient(135deg, transparent 0 49.3%, color-mix(in srgb, var(--tc-secondary), transparent 58%) 49.6% 50.4%, transparent 50.7%),
    linear-gradient(-135deg, transparent 0 49.3%, color-mix(in srgb, var(--tc-secondary), transparent 58%) 49.6% 50.4%, transparent 50.7%),
    radial-gradient(circle at 50% 0, color-mix(in srgb, var(--tc-secondary), white 72%), transparent 72%),
    linear-gradient(135deg, color-mix(in srgb, var(--tc-panel), white 8%), color-mix(in srgb, var(--tc-bg), white 34%));
  border: 1px solid color-mix(in srgb, var(--tc-secondary), transparent 22%);
  border-radius: 4px 4px 8px 8px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.34);
}

.tc-envelope::after {
  content: "";
  position: absolute;
  inset: 94px 14px 38px;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(45deg, color-mix(in srgb, var(--tc-secondary), transparent 82%) 25%, transparent 25% 75%, color-mix(in srgb, var(--tc-secondary), transparent 82%) 75%),
    linear-gradient(45deg, color-mix(in srgb, var(--tc-secondary), transparent 82%) 25%, transparent 25% 75%, color-mix(in srgb, var(--tc-secondary), transparent 82%) 75%);
  background-position: 0 0, 8px 8px;
  background-size: 16px 16px;
  opacity: .32;
  clip-path: polygon(0 0, 50% 58%, 100% 0, 100% 100%, 0 100%);
}

.tc-envelope-paper {
  position: absolute;
  left: 44px;
  right: 44px;
  top: 30px;
  z-index: 0;
  height: 178px;
  background:
    radial-gradient(circle at 50% 22%, color-mix(in srgb, var(--tc-secondary), white 74%), transparent 12%),
    repeating-linear-gradient(45deg, color-mix(in srgb, var(--tc-secondary), transparent 88%) 0 1px, transparent 1px 12px),
    linear-gradient(180deg, color-mix(in srgb, var(--tc-panel), white 12%), color-mix(in srgb, var(--tc-bg), white 56%));
  border: 1px solid color-mix(in srgb, var(--tc-secondary), transparent 36%);
  border-radius: 4px;
  box-shadow: inset 0 0 34px rgba(255,255,255,.42);
  transition: transform .72s cubic-bezier(.2,.8,.2,1), opacity .3s ease;
}

.tc-envelope-paper::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 22px;
  width: 62%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--tc-secondary), transparent 38%), transparent);
  transform: translateX(-50%);
}

.tc-envelope-flap {
  position: absolute;
  left: 0;
  right: 0;
  top: 82px;
  z-index: 5;
  height: 164px;
  background:
    repeating-linear-gradient(45deg, color-mix(in srgb, var(--tc-secondary), transparent 86%) 0 1px, transparent 1px 11px),
    linear-gradient(145deg, color-mix(in srgb, var(--tc-panel), white 16%), color-mix(in srgb, var(--tc-bg), white 42%));
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  transition: transform .72s cubic-bezier(.2,.8,.2,1), filter .35s ease;
  box-shadow: inset 0 -16px 24px color-mix(in srgb, var(--tc-secondary), transparent 78%);
}

.tc-envelope-left,
.tc-envelope-right,
.tc-envelope-bottom {
  position: absolute;
  left: 0;
  bottom: 26px;
  z-index: 3;
  width: 100%;
  height: 200px;
  pointer-events: none;
}

.tc-envelope-left {
  background:
    linear-gradient(32deg, color-mix(in srgb, var(--tc-panel), white 14%) 0 49.4%, transparent 50%);
  clip-path: polygon(0 0, 50% 55%, 0 100%);
}

.tc-envelope-right {
  background:
    linear-gradient(-32deg, color-mix(in srgb, var(--tc-bg), white 48%) 0 49.4%, transparent 50%);
  clip-path: polygon(100% 0, 50% 55%, 100% 100%);
}

.tc-envelope-bottom {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--tc-bg), white 54%), color-mix(in srgb, var(--tc-panel), white 6%));
  clip-path: polygon(0 100%, 50% 34%, 100% 100%);
}

.tc-envelope-seal {
  position: absolute;
  left: 50%;
  top: 158px;
  z-index: 8;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,.78), transparent 17%),
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--tc-accent), white 16%), color-mix(in srgb, var(--tc-accent), var(--tc-secondary) 28%));
  border: 5px double color-mix(in srgb, #fff, var(--tc-accent) 32%);
  box-shadow: 0 12px 22px rgba(28, 24, 20, .22);
  transform: translateX(-50%);
  transition: opacity .35s ease, transform .35s ease;
}

.tc-envelope-seal::before,
.tc-envelope-seal::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid color-mix(in srgb, #fff, transparent 35%);
  border-radius: 50%;
}

.tc-envelope-seal::after {
  inset: 22px;
  border-radius: 38% 62% 42% 58%;
  transform: rotate(34deg);
}

.tc-envelope:hover .tc-envelope-paper,
.tc-envelope:focus-visible .tc-envelope-paper,
.tc-envelope.is-open .tc-envelope-paper {
  transform: translateY(-54px);
}

.tc-envelope:hover .tc-envelope-flap,
.tc-envelope:focus-visible .tc-envelope-flap,
.tc-envelope.is-open .tc-envelope-flap {
  transform: rotateX(164deg);
  filter: brightness(.98);
}

.tc-envelope.is-open .tc-envelope-seal {
  opacity: 0;
  transform: translateX(-50%) scale(.7) rotate(14deg);
}

.tc-envelope-instruction {
  margin: 20px 0 0;
  color: color-mix(in srgb, var(--tc-text), transparent 26%);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.tc-kicker {
  margin: 0 0 14px;
  color: var(--tc-accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.tc-summary {
  min-height: 86vh;
  display: grid;
  place-items: center;
  padding: 96px 0;
  text-align: center;
}

.tc-summary-logo {
  width: clamp(86px, 12vw, 142px);
  height: clamp(86px, 12vw, 142px);
  object-fit: contain;
  margin-bottom: 26px;
  filter: drop-shadow(0 18px 22px rgba(15, 23, 42, .16));
}

.tc-summary h1 {
  max-width: 780px;
  margin: 0;
  color: var(--tc-primary);
  font: 500 clamp(2.6rem, 7vw, 5.2rem)/.98 var(--tc-serif);
  letter-spacing: 0;
}

.tc-tagline,
.tc-summary-copy {
  max-width: 680px;
  margin: 24px auto 0;
  font: italic 1.1rem/1.75 var(--tc-serif);
}

.tc-summary-divider {
  width: min(260px, 54vw);
  height: 1px;
  margin: 34px auto;
  background: linear-gradient(90deg, transparent, var(--tc-secondary), transparent);
}

.tc-summary-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 24px;
  margin-top: 28px;
  font-weight: 800;
}

.tc-summary-meta span + span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 24px;
  background: var(--tc-accent);
  transform: rotate(45deg);
  vertical-align: middle;
}

.tc-section {
  padding: 88px 0;
  text-align: center;
}

.tc-section h2 {
  max-width: 720px;
  margin: 0 auto 28px;
  color: var(--tc-primary);
  font: 500 clamp(2.2rem, 5vw, 4.2rem)/1.04 var(--tc-serif);
}

.tc-copy {
  max-width: 720px;
  margin: 0 auto;
  font: 1rem/1.8 var(--tc-sans);
}

.tc-rsvp-form,
.tc-success,
.tc-seal-card,
.tc-details-grid article,
.tc-gift-grid article,
.tc-info {
  background: color-mix(in srgb, var(--tc-panel), white 12%);
  border: 1px solid color-mix(in srgb, var(--tc-secondary), transparent 50%);
  box-shadow: 0 24px 54px rgba(15, 23, 42, .1);
}

.tc-rsvp-gate,
.tc-rsvp-form {
  max-width: 760px;
  margin: 36px auto 0;
}

.tc-seal-card {
  width: 100%;
  min-height: 220px;
  padding: clamp(28px, 5vw, 52px);
  color: var(--tc-text);
  background:
    radial-gradient(circle at 50% 0, color-mix(in srgb, var(--tc-accent), transparent 90%), transparent 18rem),
    color-mix(in srgb, var(--tc-panel), white 12%);
  cursor: pointer;
}

.tc-seal-card-mark {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 0 auto 20px;
  background: radial-gradient(circle at 35% 30%, var(--tc-accent), var(--tc-primary));
  border: 5px double color-mix(in srgb, #fff, var(--tc-accent) 32%);
  border-radius: 50%;
  box-shadow: 0 15px 24px rgba(15, 23, 42, .16);
}

.tc-seal-card-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

.tc-mini-seal {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, #fff, transparent 10%);
}

.tc-seal-card span:not(.tc-seal-card-mark) {
  display: block;
  margin-bottom: 18px;
  font: italic 1rem/1.7 var(--tc-serif);
}

.tc-seal-card strong,
.tc-submit,
.tc-gift-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 38px;
  color: #fff;
  background: linear-gradient(135deg, var(--tc-primary), var(--tc-accent));
  border: 0;
  border-radius: 999px;
  box-shadow: 0 16px 30px rgba(15, 23, 42, .14);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .2em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.tc-seal-card:hover,
.tc-seal-card:focus-visible {
  color: var(--tc-text);
  background:
    radial-gradient(circle at 50% 0, color-mix(in srgb, var(--tc-accent), transparent 86%), transparent 18rem),
    color-mix(in srgb, var(--tc-panel), white 12%);
}

.tc-seal-card:hover strong,
.tc-seal-card:focus-visible strong,
.tc-submit:hover,
.tc-submit:focus-visible,
.tc-gift-button:hover,
.tc-gift-button:focus-visible {
  color: #fff;
  background: linear-gradient(135deg, var(--tc-primary), var(--tc-accent));
}

.tc-rsvp-gate.is-open .tc-seal-card {
  display: none;
}

.tc-rsvp-form-wrap {
  animation: tc-unseal .55s cubic-bezier(.2,.8,.2,1);
}

.tc-rsvp-form {
  padding: clamp(24px, 5vw, 54px);
  text-align: left;
}

.tc-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 24px;
}

.tc-rsvp-form label {
  color: color-mix(in srgb, var(--tc-text), transparent 20%);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.tc-rsvp-form input,
.tc-rsvp-form textarea {
  width: 100%;
  margin-top: 10px;
  padding: 12px 4px;
  color: var(--tc-text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--tc-accent), transparent 40%);
  border-radius: 0;
  font: 1rem/1.4 var(--tc-sans);
}

.tc-rsvp-form input:focus,
.tc-rsvp-form textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--tc-accent), transparent 40%);
  outline-offset: 4px;
}

.tc-wide {
  grid-column: 1 / -1;
}

.tc-submit {
  width: 100%;
}

.tc-success {
  max-width: 680px;
  margin: 34px auto 0;
  padding: 34px;
  font: 1.1rem/1.7 var(--tc-serif);
}

.tc-details-grid,
.tc-gift-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  margin-top: 34px;
  text-align: left;
}

.tc-details-grid article,
.tc-gift-grid article {
  padding: clamp(24px, 4vw, 42px);
}

.tc-details-grid h3,
.tc-gift-grid h3 {
  margin: 0 0 22px;
  color: var(--tc-primary);
  font-size: .82rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.tc-detail-list p {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  margin: 0 0 18px;
  line-height: 1.6;
}

.tc-detail-icon {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: #fff;
  background: var(--tc-primary);
  border-radius: 50%;
  font-size: .48rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tc-detail-icon svg {
  width: 15px;
  height: 15px;
}

.tc-text-link,
.tc-footer a {
  color: var(--tc-primary);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.tc-text-link:hover,
.tc-text-link:focus-visible,
.tc-footer a:hover,
.tc-footer a:focus-visible {
  color: var(--tc-accent);
}

.tc-calendar-links {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.tc-calendar-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.tc-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}

.tc-swatch {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.tc-swatch em {
  color: var(--tc-primary);
  font-size: .72rem;
  font-style: normal;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tc-swatch i {
  display: block;
  width: 62px;
  height: 46px;
  border: 1px solid color-mix(in srgb, var(--tc-secondary), transparent 30%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.45);
}

.tc-gift {
  width: min(980px, calc(100% - 40px));
}

.tc-gift-grid p {
  margin: 0 0 14px;
  line-height: 1.6;
}

.tc-gift-grid strong {
  display: block;
  color: var(--tc-primary);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tc-countdown-section {
  width: 100%;
  max-width: none;
  padding-inline: max(24px, calc((100vw - 760px) / 2));
}

.tc-countdown-note {
  max-width: 620px;
  margin: 0 auto 32px;
  font: italic 1rem/1.7 var(--tc-serif);
}

.tc-countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, 1fr));
  gap: 18px;
  max-width: 650px;
  margin: 0 auto;
}

.tc-countdown span {
  display: grid;
  place-items: center;
  min-height: 104px;
  color: #fff;
  background: linear-gradient(160deg, var(--tc-primary), var(--tc-accent));
  box-shadow: 0 18px 32px rgba(15, 23, 42, .15);
}

.tc-countdown strong {
  color: #fff;
  font: 500 2.35rem/1 var(--tc-serif);
}

.tc-countdown em {
  color: color-mix(in srgb, #fff, transparent 12%);
  margin-top: 8px;
  font-size: .65rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.tc-info {
  padding-inline: clamp(24px, 5vw, 54px);
}

.tc-footer {
  padding: 76px 0 92px;
  color: color-mix(in srgb, var(--tc-text), transparent 24%);
  text-align: center;
}

.tc-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s ease, transform .8s ease;
}

.tc-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes tc-unseal {
  from {
    opacity: 0;
    transform: translateY(18px) scale(.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 720px) {
  .tc-hero,
  .tc-summary,
  .tc-section,
  .tc-footer {
    width: min(100% - 32px, 980px);
  }

  .tc-hero {
    min-height: 92vh;
    padding-top: 72px;
  }

  .tc-form-grid,
  .tc-details-grid,
  .tc-gift-grid {
    grid-template-columns: 1fr;
  }

  .tc-countdown-section {
    padding-block: 56px;
    padding-inline: 16px;
  }

  .tc-countdown-note {
    margin-bottom: 16px;
  }

  .tc-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-width: 310px;
  }

  .tc-countdown span {
    min-height: 50px;
    padding: 6px 8px;
  }

  .tc-countdown strong {
    font-size: 1.35rem;
  }

  .tc-countdown em {
    margin-top: 2px;
    font-size: .6rem;
    letter-spacing: .08em;
  }

  .tc-summary-meta {
    display: grid;
  }

  .tc-summary-meta span + span::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}