:root {
  --paper: #f8f4ef;
  --white: #fffdf9;
  --ink: #006880;
  --ink-dark: #07556b;
  --turquoise: #18b9bb;
  --mint: #53c85a;
  --orange: #f08b45;
  --line: #d8e9e6;
  --shadow: 0 24px 65px rgba(15, 78, 88, .14);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink-dark);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 4% 10%, rgba(27, 185, 187, .18) 0 4px, transparent 5px),
    radial-gradient(circle at 93% 21%, rgba(82, 200, 90, .20) 0 5px, transparent 6px),
    radial-gradient(circle at 13% 82%, rgba(240, 139, 69, .14) 0 3px, transparent 4px),
    radial-gradient(circle at 85% 89%, rgba(0, 151, 178, .15) 0 3px, transparent 4px);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.5;
}

button, input { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 20;
  top: .75rem;
  left: .75rem;
  padding: .65rem 1rem;
  color: white;
  background: var(--ink);
  border-radius: 999px;
  transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: calc(100vh - 60px);
  padding: 64px 0 36px;
  display: grid;
  grid-template-columns: minmax(300px, 500px) minmax(340px, 470px);
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
  justify-content: center;
}

.invite-column { min-width: 0; text-align: center; }

.invite-card {
  display: block;
  overflow: hidden;
  border-radius: 5px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(0, 93, 111, .06);
  transition: transform .25s ease, box-shadow .25s ease;
}

.invite-card:hover {
  transform: translateY(-4px) rotate(-.15deg);
  box-shadow: 0 30px 78px rgba(15, 78, 88, .19);
}

.invite-card img { display: block; width: 100%; height: auto; }

.pdf-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.2rem;
  color: var(--ink);
  font: 700 .75rem/1.2 system-ui, sans-serif;
  letter-spacing: .09em;
  text-decoration: none;
  text-transform: uppercase;
}

.pdf-link:hover { text-decoration: underline; }
.pdf-link svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.rsvp-card {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  padding: clamp(30px, 5vw, 54px);
  background: rgba(255, 253, 249, .92);
  border: 1px solid rgba(0, 104, 128, .1);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.eyebrow {
  margin-bottom: 1.15rem;
  color: var(--turquoise);
  font: 750 .74rem/1 system-ui, sans-serif;
  letter-spacing: .26em;
}

.hello {
  margin: 0 0 .15rem;
  color: var(--mint);
  font-family: "Segoe Script", "Bradley Hand", cursive;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.05;
}

.intro { margin: 1rem 0 1.6rem; font-size: 1rem; }
fieldset { display: grid; gap: .7rem; margin: 0; padding: 0; border: 0; }

.choice {
  position: relative;
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1rem;
  cursor: pointer;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 15px;
  transition: border-color .16s, background .16s, transform .16s;
}

.choice:hover { border-color: #8ad4ce; transform: translateX(2px); }
.choice:has(input:checked) { background: #effbf8; border-color: var(--turquoise); }
.choice:has(input:focus-visible) { outline: 3px solid rgba(24, 185, 187, .25); outline-offset: 2px; }
.choice input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.choice-mark {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--ink);
  background: #edf8f6;
  border-radius: 50%;
}

.choice:has(input:checked) .choice-mark { color: white; background: var(--turquoise); }
.choice-mark svg { width: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.choice strong, .choice small { display: block; }
.choice strong { color: var(--ink-dark); font-size: .98rem; }
.choice small { margin-top: .1rem; color: #618087; font-family: system-ui, sans-serif; font-size: .74rem; }

.companion { margin-top: 1.15rem; }
.companion label { display: block; margin-bottom: .4rem; font-weight: 700; }
.companion input {
  width: 100%;
  padding: .85rem 1rem;
  color: var(--ink-dark);
  background: white;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  outline: none;
}

.companion input:focus { border-color: var(--turquoise); box-shadow: 0 0 0 3px rgba(24, 185, 187, .15); }

button {
  width: 100%;
  margin-top: 1.35rem;
  padding: .95rem 1.2rem;
  cursor: pointer;
  color: white;
  background: var(--ink);
  border: 0;
  border-radius: 999px;
  font-family: system-ui, sans-serif;
  font-size: .94rem;
  font-weight: 750;
  letter-spacing: .02em;
  transition: background .18s, transform .18s;
}

button:hover { background: var(--turquoise); transform: translateY(-1px); }
button:disabled { cursor: wait; opacity: .65; transform: none; }
button.secondary { color: var(--ink); background: transparent; border: 1.5px solid var(--ink); }
button.secondary:hover { color: white; background: var(--ink); }

.form-error { margin: .8rem 0 -.5rem; color: #a43f28; font: 650 .84rem/1.4 system-ui, sans-serif; }
.update-note { margin: .8rem 0 0; color: #6a8488; font: .76rem/1.4 system-ui, sans-serif; text-align: center; }

.state-message { padding-top: 4rem; text-align: center; }
.state-message p:not(.hello) { margin: 1.1rem auto; max-width: 29rem; }
.state-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin: 0 auto 1.6rem;
  place-items: center;
  color: white;
  background: var(--orange);
  border-radius: 50%;
  font: 700 1.8rem/1 system-ui, sans-serif;
}

.success .state-icon { background: var(--mint); }

.photo-upload {
  display: flex;
  gap: .9rem;
  margin-top: 1.8rem;
  padding: 1rem;
  background: #fff6ed;
  border: 1.5px solid #f5c9a9;
  border-radius: 15px;
}

.photo-upload-icon {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  background: white;
  border-radius: 50%;
  font: 1.25rem/1 system-ui, sans-serif;
}

.photo-upload h3 { margin: 0; color: var(--ink); font-size: 1.05rem; }
.photo-upload p { margin: .35rem 0 .75rem; font-size: .9rem; }
.photo-upload-link {
  color: var(--ink);
  font: 750 .8rem/1.2 system-ui, sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.photo-upload-link:hover { color: var(--turquoise); }

.loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--white);
}

.loading span:not(.visually-hidden) {
  width: 10px;
  height: 10px;
  background: var(--turquoise);
  border-radius: 50%;
  animation: bounce .8s infinite alternate;
}

.loading span:nth-child(2) { animation-delay: .15s; background: var(--mint); }
.loading span:nth-child(3) { animation-delay: .3s; background: var(--orange); }

.mini-confetti i { position: absolute; z-index: -1; width: 8px; height: 8px; border-radius: 50%; opacity: .55; }
.mini-confetti i:nth-child(1) { top: 5%; right: 9%; background: var(--mint); }
.mini-confetti i:nth-child(2) { top: 14%; right: 5%; width: 5px; height: 5px; background: var(--turquoise); }
.mini-confetti i:nth-child(3) { bottom: 10%; left: 6%; background: var(--orange); }
.mini-confetti i:nth-child(4) { bottom: 5%; right: 13%; width: 12px; height: 12px; background: var(--turquoise); }
.mini-confetti i:nth-child(5) { top: 3%; left: 41%; width: 5px; height: 5px; background: var(--orange); }
.mini-confetti i:nth-child(6) { bottom: 25%; right: 3%; width: 5px; height: 5px; background: var(--mint); }
.mini-confetti i:nth-child(7) { top: 31%; left: 2%; width: 4px; height: 4px; background: var(--turquoise); }
.mini-confetti i:nth-child(8) { bottom: 3%; left: 36%; width: 6px; height: 6px; background: var(--mint); }

footer { padding: 0 1rem 24px; color: #668286; font: .72rem/1.4 system-ui, sans-serif; letter-spacing: .12em; text-align: center; text-transform: uppercase; }
.visually-hidden { position: absolute !important; overflow: hidden; width: 1px; height: 1px; padding: 0; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@keyframes bounce { to { transform: translateY(-10px); } }

@media (max-width: 820px) {
  .page-shell { width: min(590px, calc(100% - 28px)); padding-top: 28px; grid-template-columns: 1fr; gap: 34px; }
  .invite-card { max-width: 480px; margin-inline: auto; }
  .rsvp-card { min-height: 520px; }
}

@media (max-width: 480px) {
  .page-shell { width: 100%; padding: 0 0 24px; gap: 0; }
  .invite-card { border-radius: 0; box-shadow: none; }
  .pdf-link { margin: 1rem 0 1.4rem; }
  .rsvp-card { min-height: 0; padding: 36px 20px 40px; border-inline: 0; border-radius: 28px 28px 0 0; }
  .choice { padding: .82rem; }
  .state-message { padding-block: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}