/*
 * Oliver's baby shower invitation.
 * The card is laid out on a fixed 400-unit-wide grid (matching the original
 * design) and scales with its own width: 1 unit = var(--u).
 */
:root {
  --cream: #fffefb;
  --sky: #cadff1;
  --arch: #a2c0e6;
  --blue: #9fbee5;
  --blue-deep: #6f93c4;
  --ink: #63666a;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--serif);
  color: var(--ink);
  background:
    radial-gradient(60% 45% at 8% 10%, #d9dcdd 0%, transparent 70%),
    radial-gradient(50% 40% at 85% 25%, #8fb3d8 0%, transparent 75%),
    radial-gradient(55% 45% at 15% 75%, #b9cfd3 0%, transparent 75%),
    radial-gradient(60% 50% at 90% 85%, #c9d3d8 0%, transparent 70%),
    linear-gradient(180deg, #9fb7c9 0%, #a9c2d8 40%, #c5d3d9 70%, #a7bdd2 100%);
  background-attachment: fixed;
}

img { display: block; max-width: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ───────────── Card ───────────── */
.card {
  --u: calc(100cqw / 400);
  position: relative;
  width: min(100%, 430px);
  margin: 0 auto;
  container-type: inline-size;
  overflow: hidden;
  background: var(--cream);
}

@media (min-width: 520px) {
  .card {
    margin: 30px auto 40px;
    border-radius: 22px;
    box-shadow: 0 24px 60px rgba(36, 58, 92, .28);
  }
}

.card:focus { outline: none; }

.card section {
  position: relative;
  overflow: hidden;
}

.card section > * {
  position: absolute;
  margin: 0;
}

/* ───────────── Hero ───────────── */
.hero {
  height: calc(var(--u) * 632);
  background: var(--cream);
}

.arch-big {
  left: calc(var(--u) * 157.5);
  top: calc(var(--u) * 26);
  width: calc(var(--u) * 222);
  height: calc(var(--u) * 445);
  background: var(--arch);
  border-radius: calc(var(--u) * 111) calc(var(--u) * 111) 0 0;
  overflow: hidden;
}

.arch-small {
  left: calc(var(--u) * 15.5);
  top: calc(var(--u) * 153.5);
  width: calc(var(--u) * 243);
  height: calc(var(--u) * 480);
  background: var(--sky);
  border-radius: calc(var(--u) * 121.5) calc(var(--u) * 121.5) 0 0;
}

.title {
  inset: 0;
  font-weight: inherit;
  pointer-events: none;
}

.baby {
  position: absolute;
  font-family: var(--serif);
  font-weight: 800;
  font-size: calc(var(--u) * 54);
  line-height: 1;
  letter-spacing: calc(var(--u) * -0.6);
  white-space: nowrap;
}
.hero > .baby--blue { left: calc(var(--u) * 88); top: calc(var(--u) * 72.5); color: var(--arch); }
/* same glyphs, clipped by the big arch so the part over it turns white */
.baby--white { left: calc(var(--u) * (88 - 157.5)); top: calc(var(--u) * (72.5 - 26)); color: #fff; }

.shower {
  position: absolute;
  left: calc(var(--u) * 203);
  top: calc(var(--u) * 131.5);
  width: calc(var(--u) * 167);
  height: auto;
}

.intro {
  left: calc(var(--u) * 15.5);
  top: calc(var(--u) * 200.5);
  width: calc(var(--u) * 243);
  padding-left: calc(var(--u) * 3);
  text-align: center;
  font-size: calc(var(--u) * 14.5);
  line-height: calc(var(--u) * 21);
  letter-spacing: calc(var(--u) * 3);
  color: var(--ink);
}

.oliver {
  left: calc(var(--u) * 88);
  top: calc(var(--u) * 276.5);
  width: calc(var(--u) * 96.5);
  height: auto;
}

.date {
  left: calc(var(--u) * 98);
  top: calc(var(--u) * 364);
  width: calc(var(--u) * 170);
  text-align: center;
  color: var(--ink);
  z-index: 2;
}
.date span { display: block; }
.date__day,
.date__month {
  font-size: calc(var(--u) * 15.5);
  line-height: calc(var(--u) * 23);
  letter-spacing: calc(var(--u) * 5.6);
  padding-left: calc(var(--u) * 5.6);
}
.date__num {
  font-weight: 700;
  font-size: calc(var(--u) * 30);
  line-height: calc(var(--u) * 44);
  margin-right: calc(var(--u) * 20);
  font-variant-numeric: oldstyle-nums;
}

.cloud { height: auto; pointer-events: none; z-index: 1; }
.cloud--left  { left: 0; top: calc(var(--u) * 325); width: calc(var(--u) * 200.5); }
.cloud--right { left: calc(var(--u) * 203); top: calc(var(--u) * 362.5); width: calc(var(--u) * 197); }

@media (prefers-reduced-motion: no-preference) {
  .cloud--left  { animation: drift 7s ease-in-out infinite; }
  .cloud--right { animation: drift 8s ease-in-out -3s infinite; }
  .play         { animation: drift 8s ease-in-out -3s infinite; }
}
@keyframes drift {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 calc(var(--u) * -4); }
}

.play {
  left: calc(var(--u) * 332);
  top: calc(var(--u) * 406.5);
  width: calc(var(--u) * 55);
  height: calc(var(--u) * 55);
  border: 0;
  border-radius: 50%;
  padding: 0;
  display: grid;
  place-items: center;
  background: var(--cream);
  color: var(--blue);
  box-shadow: 0 calc(var(--u) * 3) calc(var(--u) * 10) rgba(120, 140, 170, .28);
  cursor: pointer;
  z-index: 3;
  transition: transform .2s ease;
}
.play:hover { transform: scale(1.05); }
.play:active { transform: scale(.96); }
.play:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 3px; }
.play__icon { height: 58%; width: auto; aspect-ratio: 14 / 17; fill: currentColor; margin-left: 9%; }
.play__icon--pause { display: none; margin-left: 0; height: 46%; }
.play[aria-pressed="true"] .play__icon--play { display: none; }
.play[aria-pressed="true"] .play__icon--pause { display: block; }

.countdown {
  left: calc(var(--u) * 26);
  top: calc(var(--u) * 563);
  width: calc(var(--u) * 220);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  color: var(--ink);
}
.countdown__num {
  display: block;
  font-weight: 700;
  font-size: calc(var(--u) * 21);
  line-height: calc(var(--u) * 22);
  font-variant-numeric: oldstyle-nums tabular-nums;
}
.countdown__label {
  display: block;
  font-size: calc(var(--u) * 10.5);
  line-height: calc(var(--u) * 14);
  color: #8a8d91;
}

/* ───────────── Venue ───────────── */
.venue {
  height: calc(var(--u) * 842.5);
  background: var(--sky);
}

.half-disc {
  left: calc(var(--u) * 15.5);
  top: calc(var(--u) * -121.5);
  width: calc(var(--u) * 243);
  height: calc(var(--u) * 243);
  border-radius: 50%;
  background: var(--cream);
}

.polaroid {
  background: #fff;
  box-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 8) rgba(60, 80, 110, .12);
  transform-origin: 0 0;
}
.polaroid img { width: 100%; height: 100%; object-fit: cover; }

.polaroid--ultra {
  left: calc(var(--u) * 174);
  top: calc(var(--u) * 32.5);
  width: calc(var(--u) * 269);
  height: calc(var(--u) * 264.5);
  padding: calc(var(--u) * 11) calc(var(--u) * 11) calc(var(--u) * 38);
  transform: rotate(15deg);
}
.polaroid--ultra img { background: #000; }

.circle {
  left: calc(var(--u) * -2);
  top: calc(var(--u) * 226.5);
  width: calc(var(--u) * 278);
  height: calc(var(--u) * 278);
  border-radius: 50%;
  background: var(--blue);
}

.te-esperamos {
  left: calc(var(--u) * 38.5);
  top: calc(var(--u) * 288.5);
  width: calc(var(--u) * 187);
  height: auto;
}

.venue__place {
  left: calc(var(--u) * 16);
  top: calc(var(--u) * 338.5);
  width: calc(var(--u) * 254);
  height: calc(var(--u) * 35.5);
  display: grid;
  place-items: center;
  border: calc(var(--u) * 2) solid #fff;
  border-radius: 999px;
  color: #fff;
  font-size: calc(var(--u) * 17.5);
  text-decoration: none;
  transition: background-color .2s ease;
}
.venue__place:hover { background: rgba(255, 255, 255, .14); }
.venue__place:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.venue__time {
  left: calc(var(--u) * 42);
  top: calc(var(--u) * 387);
  width: calc(var(--u) * 160);
  padding-left: calc(var(--u) * 3);
  text-align: center;
  color: #fff;
  font-weight: 700;
  font-size: calc(var(--u) * 21.5);
  line-height: calc(var(--u) * 24);
  letter-spacing: calc(var(--u) * 3);
  font-variant-numeric: oldstyle-nums;
}

.dome {
  left: calc(var(--u) * 147);
  top: calc(var(--u) * 733.5);
  width: calc(var(--u) * 218);
  height: calc(var(--u) * 115);
  border-radius: calc(var(--u) * 109) calc(var(--u) * 109) 0 0;
  background: var(--cream);
}

.polaroid--parents {
  left: calc(var(--u) * 49.5);
  top: calc(var(--u) * 491.5);
  width: calc(var(--u) * 206);
  height: calc(var(--u) * 315);
  padding: calc(var(--u) * 12) calc(var(--u) * 12) calc(var(--u) * 37);
  transform: rotate(-11.6deg);
}
.polaroid--parents img { object-position: 50% 30%; }

/* ───────────── RSVP & gifts ───────────── */
.rsvp {
  height: calc(var(--u) * 557.5);
  background: var(--cream);
}

.column {
  left: calc(var(--u) * 147);
  top: 0;
  width: calc(var(--u) * 218);
  height: calc(var(--u) * 315);
  background: var(--blue);
  border-radius: 0 0 calc(var(--u) * 109) calc(var(--u) * 109);
}

.rsvp__msg {
  left: calc(var(--u) * 147);
  top: calc(var(--u) * 43);
  width: calc(var(--u) * 218);
  padding-left: calc(var(--u) * 3.3);
  text-align: center;
  color: #fff;
  font-weight: 500;
  font-size: calc(var(--u) * 17);
  line-height: calc(var(--u) * 30.6);
  letter-spacing: calc(var(--u) * 3.3);
}

.rsvp__btn {
  left: calc(var(--u) * 169);
  top: calc(var(--u) * 219);
  width: calc(var(--u) * 179);
  height: calc(var(--u) * 41);
  border: 0;
  border-radius: 999px;
  background: var(--cream);
  color: var(--blue);
  font-family: var(--serif);
  font-size: calc(var(--u) * 14.2);
  cursor: pointer;
  z-index: 2;
  transition: transform .2s ease, box-shadow .2s ease;
}
.rsvp__btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(80, 110, 160, .25); }
.rsvp__btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.bear {
  left: 0;
  top: calc(var(--u) * 1);
  width: calc(var(--u) * 198.5);
  height: auto;
  pointer-events: none;
  z-index: 3;
}

.gifts__title {
  left: calc(var(--u) * 28.5);
  top: calc(var(--u) * 394);
  font-weight: 700;
  font-size: calc(var(--u) * 16.3);
  line-height: calc(var(--u) * 21);
  letter-spacing: calc(var(--u) * -0.2);
  color: var(--blue);
}

.gifts__img {
  left: calc(var(--u) * 25);
  top: calc(var(--u) * 430.5);
  width: calc(var(--u) * 133);
  height: calc(var(--u) * 98.5);
  object-fit: cover;
}

.gifts__btn {
  left: calc(var(--u) * 187.5);
  top: calc(var(--u) * 448.5);
  width: calc(var(--u) * 180);
  height: calc(var(--u) * 44);
  display: grid;
  place-items: center;
  border-radius: calc(var(--u) * 8);
  background: var(--blue);
  color: #fff;
  font-family: var(--sans);
  font-weight: 500;
  font-size: calc(var(--u) * 14.2);
  text-decoration: none;
  transition: background-color .2s ease;
}
.gifts__btn:hover { background: #8fb2df; }
.gifts__btn:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 3px; }

/* "Regalo en sobre" (envelope-gift invitations): same slots as the registry image and button */
.gifts__envelope {
  left: calc(var(--u) * 25);
  top: calc(var(--u) * 430.5);
  width: calc(var(--u) * 133);
  height: calc(var(--u) * 98.5);
}

.gifts__note {
  left: calc(var(--u) * 182);
  top: calc(var(--u) * 428);
  width: calc(var(--u) * 192);
  font-size: calc(var(--u) * 13.6);
  line-height: 1.5;
  color: var(--ink);
}

/* ───────────── RSVP sheet ───────────── */
.sheet {
  width: min(92vw, 400px);
  max-height: min(92vh, 760px);
  padding: 28px 24px 24px;
  border: 0;
  border-radius: 26px;
  background: var(--cream);
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(30, 50, 85, .35);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.sheet::backdrop {
  background: rgba(120, 150, 190, .45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.sheet[open] { animation: rise .28s ease-out; }
@keyframes rise { from { opacity: 0; translate: 0 18px; } }
@media (prefers-reduced-motion: reduce) { .sheet[open] { animation: none; } }

.sheet__close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.sheet__close:hover { background: var(--blue); }

.sheet__title {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 24px;
  color: var(--blue-deep);
  text-align: center;
}
.sheet__sub {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  color: var(--ink);
}

.sheet__invite {
  display: grid;
  gap: 2px;
  margin: -6px 0 20px;
  padding: 12px 16px;
  border-radius: 16px;
  background: #eef4fb;
  text-align: center;
  font-size: 14px;
  color: var(--ink);
}
.sheet__invite[hidden] { display: none; }
.sheet__invite strong { font-size: 18px; color: var(--blue-deep); }
.sheet__invite span { font-size: 13px; color: #8a8d91; }

.form { display: grid; gap: 16px; }

.field { display: grid; gap: 7px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field[hidden] { display: none; }
.field__label { padding: 0; font-size: 14px; font-weight: 600; color: #4f5256; }
.field__label small { font-weight: 400; color: #8a8d91; }

.field__input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #d7e4f3;
  border-radius: 14px;
  background: #fff;
  color: #3f4246;
  font: 16px var(--serif);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field__input--area { resize: vertical; min-height: 84px; }
.field__input::placeholder { color: #a6aab0; }
.field__input:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(159, 190, 229, .3); }

.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice__opt { position: relative; cursor: pointer; }
.choice__opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice__opt span {
  display: grid;
  place-items: center;
  min-height: 52px;
  padding: 8px 10px;
  border: 1.5px solid #d7e4f3;
  border-radius: 14px;
  background: #fff;
  text-align: center;
  font-size: 15px;
  transition: all .15s ease;
}
.choice__opt input:checked + span { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.choice__opt input:focus-visible + span { box-shadow: 0 0 0 4px rgba(159, 190, 229, .45); }

.stepper { display: flex; align-items: center; gap: 10px; }
.stepper__btn {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.stepper__btn:hover { background: var(--blue); }
.stepper__btn:disabled { opacity: .4; cursor: default; }
.stepper__btn:disabled:hover { background: var(--sky); }
.stepper__val {
  width: 64px;
  padding: 10px 0;
  border: 1.5px solid #d7e4f3;
  border-radius: 14px;
  background: #fff;
  text-align: center;
  font: 600 18px var(--serif);
  color: #3f4246;
  -moz-appearance: textfield;
  appearance: textfield;
}
.stepper__val::-webkit-inner-spin-button,
.stepper__val::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__error {
  margin: 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: #fdecec;
  color: #a33a3a;
  font-size: 14px;
}

.form__submit {
  width: 100%;
  padding: 14px 20px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font: 600 16px var(--serif);
  letter-spacing: .5px;
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease;
}
.form__submit:hover { background: #8fb2df; }
.form__submit:active { transform: scale(.98); }
.form__submit:disabled { opacity: .6; cursor: progress; }

.sheet__done { text-align: center; }
.sheet__bear { width: 110px; height: auto; margin: 4px auto 10px; }

/* ───────────── Envelope (intro screen) ───────────── */
html.is-sealed { overflow: hidden; }
html.is-sealed .card { opacity: 0; }

.envelope {
  position: fixed;
  inset: 0;
  z-index: 50;
  overflow: hidden;
  background: #f4f0ee;
}

.envelope__layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.envelope__bottom,
.envelope__top { fill: #f4f0ee; }
.envelope__flap { transform-origin: 50% 0; }

.envelope__open {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.envelope__open:focus-visible { outline: none; }
.envelope__open:focus-visible .envelope__cta { outline: 2px solid #9fbee5; outline-offset: 8px; border-radius: 6px; }

.envelope__cta {
  position: absolute;
  left: 50%;
  top: 67.6%;
  translate: -50% -50%;
  font: 400 clamp(15px, .6vw + 9px, 18px) var(--serif);
  color: #1d1d1d;
  text-shadow: 0 2px 4px rgba(0, 0, 0, .3);
  white-space: nowrap;
  transition: opacity .25s ease;
}

/* who the envelope is for (personalised invitations only), written on the flap */
.envelope__to {
  position: absolute;
  left: 50%;
  top: 25%;
  translate: -50% -50%;
  width: min(66vw, 420px);
  margin: 0;
  display: grid;
  gap: 4px;
  text-align: center;
  font-family: var(--serif);
  pointer-events: none;
  transition: opacity .25s ease;
}
.envelope__to[hidden] { display: none; }
.envelope__to-label {
  font-size: 13px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #8a8d91;
}
.envelope__to-name {
  font-weight: 600;
  font-size: clamp(22px, 6.4vw, 32px);
  line-height: 1.2;
  color: var(--blue-deep);
  overflow-wrap: anywhere;
}
.envelope__to-pass {
  margin-top: 4px;
  font-size: 14px;
  color: #6b6e72;
}

.envelope__hand {
  position: absolute;
  left: 50%;
  top: calc(67.6% + 22px);
  width: clamp(20px, .5vw + 15px, 24px);
  translate: -50% 0;
  fill: #111;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, .35));
  transition: opacity .25s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .envelope__hand { animation: tap 1.6s ease-in-out infinite; }
}
@keyframes tap {
  0%, 60%, 100% { transform: translateY(0) scale(1); }
  30%           { transform: translateY(3px) scale(.9); }
}

/* opening: flap lifts, envelope drops away, the invitation rises in the middle */
.envelope.is-opening { pointer-events: none; }
.envelope.is-opening .envelope__cta,
.envelope.is-opening .envelope__hand,
.envelope.is-opening .envelope__to { opacity: 0; }
.envelope.is-opening .envelope__flap { animation: flap-open .75s cubic-bezier(.45, 0, .2, 1) forwards; }
.envelope.is-opening { animation: envelope-away .9s cubic-bezier(.5, 0, .75, 0) .55s forwards; }
html.is-revealing .card { animation: card-in 1.1s cubic-bezier(.2, .75, .25, 1) .5s both; }

@keyframes flap-open {
  to { transform: perspective(1600px) rotateX(178deg); opacity: .6; }
}
@keyframes envelope-away {
  to { transform: translateY(45%); opacity: 0; }
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(22vh) scale(.84); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .envelope.is-opening .envelope__flap { animation: none; }
  .envelope.is-opening { animation: envelope-fade .35s ease forwards; }
  html.is-revealing .card { animation: envelope-fade .35s ease reverse both; }
}
@keyframes envelope-fade { to { opacity: 0; } }