/* rsvp-form.css — the "Will you join us?" RSVP form slide. Owned by rsvp-form.js.
 *
 * Sizes are fractions of the stage width (--u, set on .invite in styles.css), like every
 * other live-text block in this template; positions are % of the 1080x1920 slide.
 * Motion is transform / opacity only, nothing here is larger than the slide, and the
 * looping dove bob runs only while the slide is on screen (.is-live).
 * Without JS (or with reduced motion) the card simply sits there, fully usable.
 */

.stage--rsvpform {
  aspect-ratio: 1080 / 1920;
  --rf-rose: #c4476e;
  --rf-rose-deep: #a8355a;
  --rf-leaf: var(--hn-leaf, #2d4a1f);
  --rf-olive: #4f5c2a;
  --rf-gold: #c9a25a;
  --rf-ivory: #fffaf1;
  --rf-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ------------------------------------------------------------------ doves */

.rf-dove {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

/* Facing each other over the card, in the open sky under the arch. */
.rf-dove--a {
  left: 21.5%;
  top: 1.6%;
  width: 13.5%;
}

.rf-dove--b {
  left: 65.5%;
  top: 2.6%;
  width: 12.5%;
  transform: scaleX(-1); /* painted flying right; this one faces the other dove */
}

.rf-dove__img {
  display: block;
  width: 100%;
  height: auto;
  transform-origin: 55% 60%;
}

.stage--rsvpform.is-live .rf-dove__img {
  animation: rf-hover 3.4s ease-in-out infinite;
}

.stage--rsvpform.is-live .rf-dove--b .rf-dove__img {
  animation-duration: 3.9s;
  animation-delay: -1.3s;
}

/* In flight (the send moment) the wings beat fast. */
.stage--rsvpform.is-sending .rf-dove__img {
  animation: rf-flap 0.36s ease-in-out infinite;
}

@keyframes rf-flap {
  0%,
  100% { transform: translateY(0) scaleY(1); }
  50% { transform: translateY(-3%) scaleY(0.88); }
}

/* A hovering bob with a soft wingbeat (a quick squash on the way up). */
@keyframes rf-hover {
  0%,
  100% { transform: translateY(0) rotate(-2deg) scaleY(1); }
  22% { transform: translateY(-5%) rotate(0deg) scaleY(0.95); }
  30% { transform: translateY(-6%) rotate(0.5deg) scaleY(1); }
  60% { transform: translateY(-2%) rotate(2deg) scaleY(0.97); }
  70% { transform: translateY(-1%) rotate(1.5deg) scaleY(1); }
}

/* ------------------------------------------------------------------- card */

.rf-wrap {
  position: absolute;
  z-index: 2;
  left: 10.5%;
  top: 11.5%;
  width: 79%;
  height: 70.5%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rf-card {
  position: relative;
  width: 100%;
  margin: 0;
  padding: calc(var(--u) * 5.6) calc(var(--u) * 5.4) calc(var(--u) * 4.6);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  color: var(--rf-leaf);
  font-family: var(--hn-serif);
  text-align: center;
  border-radius: calc(var(--u) * 2.2);
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0) 60%),
    linear-gradient(180deg, rgba(255, 251, 243, 0.94) 0%, rgba(255, 246, 236, 0.94) 100%);
  box-shadow:
    0 calc(var(--u) * 0.4) calc(var(--u) * 1) rgba(64, 92, 120, 0.1),
    0 calc(var(--u) * 2.4) calc(var(--u) * 6) rgba(64, 92, 120, 0.18);
  transform-origin: 50% 50%;
}

/* Double gold hairline, like the printed card's inner frame. */
.rf-card::before,
.rf-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: calc(var(--u) * 1.5);
}

.rf-card::before {
  inset: calc(var(--u) * 1.3);
  border: 1px solid rgba(201, 162, 90, 0.75);
}

.rf-card::after {
  inset: calc(var(--u) * 1.85);
  border: 1px solid rgba(201, 162, 90, 0.32);
}

.rf-kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 2);
  margin: 0 0 calc(var(--u) * 0.6);
  color: var(--rf-olive);
  font-size: calc(var(--u) * 2.8);
  font-weight: 600;
  letter-spacing: 0.34em;
  line-height: 1.4;
  text-transform: uppercase;
}

.rf-kicker > span:not(.rf-kicker__rule) {
  margin-right: -0.34em; /* optical centring: cancel the trailing letter-space */
}

.rf-kicker__rule {
  position: relative;
  width: calc(var(--u) * 7);
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 162, 90, 0), var(--rf-gold));
}

.rf-kicker__rule:last-child {
  background: linear-gradient(90deg, var(--rf-gold), rgba(201, 162, 90, 0));
}

/* a tiny gold diamond at each rule's inner end */
.rf-kicker__rule::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -2px;
  width: 5px;
  height: 5px;
  background: var(--rf-gold);
  transform: translateY(-50%) rotate(45deg);
}

.rf-kicker__rule:last-child::after {
  right: auto;
  left: -2px;
}

/* Upright display face (client 2026-10-24: no italic headings), as on the RSVP slide. */
.rf-heading {
  margin: 0;
  padding: 0.08em 0.2em 0.16em; /* ink stays inside the box (iOS edge clip) */
  color: var(--rf-rose);
  font-family: "HN Maginia", var(--hn-serif);
  font-size: calc(var(--u) * 8.2);
  font-weight: 400;
  line-height: 1.08;
  white-space: nowrap;
  -webkit-text-stroke: 0.015em currentColor;
  text-wrap: balance;
}

.rf-intro {
  margin: 0 0 calc(var(--u) * 3.6);
  color: var(--rf-leaf);
  font-size: calc(var(--u) * 3.6);
  font-style: italic;
  line-height: 1.3;
}

.rf-label {
  display: block;
  margin: 0 0 calc(var(--u) * 1.2);
  padding: 0;
  color: var(--rf-olive);
  font-size: calc(var(--u) * 2.75);
  font-weight: 600;
  letter-spacing: 0.24em;
  line-height: 1.3;
  text-align: left;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------- name */

.rf-field {
  position: relative;
  margin: 0 0 calc(var(--u) * 3.6);
}

.rf-input {
  display: block;
  width: 100%;
  min-height: 44px;
  height: calc(var(--u) * 11.4);
  margin: 0;
  padding: 0 calc(var(--u) * 3.2);
  color: var(--rf-leaf);
  font-family: var(--hn-serif);
  font-size: max(16px, calc(var(--u) * 4.4)); /* >= 16px: iOS does not zoom on focus */
  font-weight: 500;
  border: 1px solid rgba(91, 105, 50, 0.32);
  border-radius: calc(var(--u) * 1.8);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 1px 2px rgba(64, 92, 120, 0.08);
  outline: none;
  transition:
    border-color var(--motion-fast, 180ms) ease,
    box-shadow var(--motion-fast, 180ms) ease,
    background-color var(--motion-fast, 180ms) ease;
  -webkit-appearance: none;
  appearance: none;
}

.rf-input::placeholder {
  color: #687052; /* 5:1 on the field */
  font-style: italic;
  font-weight: 400;
  opacity: 1;
}

.rf-input:focus-visible,
.rf-input:focus {
  border-color: var(--rf-rose);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(196, 71, 110, 0.22), inset 0 1px 2px rgba(64, 92, 120, 0.06);
}

/* -------------------------------------------------------------- day chips */

.rf-days {
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 2);
  min-width: 0;
  margin: 0 0 calc(var(--u) * 4.4);
  padding: 0;
  border: 0;
}

.rf-days > legend {
  margin-bottom: calc(var(--u) * 1.2);
}

.rf-day {
  position: relative;
  display: block;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

/* The real checkbox covers the chip (so taps, focus and screen readers all use it)
   but is invisible; the face below draws the state. */
.rf-day__input {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.rf-day__face {
  position: relative;
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 2.6);
  min-height: 48px;
  padding: calc(var(--u) * 2.2) calc(var(--u) * 2.6) calc(var(--u) * 2.2) calc(var(--u) * 2.2);
  text-align: left;
  border: 1px solid rgba(196, 71, 110, 0.26);
  border-radius: calc(var(--u) * 2.2);
  background: rgba(255, 255, 255, 0.66);
  box-shadow: 0 1px 2px rgba(64, 92, 120, 0.06);
  transition:
    transform 260ms var(--rf-ease),
    border-color 260ms ease,
    background-color 260ms ease,
    box-shadow 260ms ease;
}

.rf-day__date {
  display: flex;
  flex: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: calc(var(--u) * 11);
  height: calc(var(--u) * 11);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #fffdf8 0%, #fdeef1 100%);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 90, 0.7), inset 0 0 0 calc(var(--u) * 0.6) #fff, inset 0 0 0 calc(var(--u) * 0.7) rgba(201, 162, 90, 0.35);
  transition: background 260ms ease, box-shadow 260ms ease;
}

.rf-day__num {
  color: var(--rf-rose);
  font-family: "HN Maginia", var(--hn-serif);
  font-size: calc(var(--u) * 5);
  line-height: 0.9;
  transition: color 260ms ease;
}

.rf-day__mon {
  margin-top: calc(var(--u) * 0.3);
  color: var(--rf-olive);
  font-size: calc(var(--u) * 2.2);
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1;
  margin-right: -0.2em;
  text-transform: uppercase;
  transition: color 260ms ease;
}

.rf-day__text {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: calc(var(--u) * 0.5);
  min-width: 0;
}

.rf-day__title {
  color: var(--rf-leaf);
  font-size: calc(var(--u) * 3.75);
  font-weight: 600;
  line-height: 1.15;
}

.rf-day__events {
  color: #5b3a24;
  font-size: calc(var(--u) * 2.85);
  font-style: italic;
  line-height: 1.25;
}

.rf-day__tick {
  display: grid;
  flex: none;
  place-items: center;
  width: calc(var(--u) * 6.4);
  height: calc(var(--u) * 6.4);
  border: 1.5px solid rgba(196, 71, 110, 0.55);
  border-radius: 50%;
  background: #fff;
  transition: background-color 240ms ease, border-color 240ms ease, transform 360ms var(--rf-ease);
}

.rf-day__tick svg {
  width: 74%;
  height: 74%;
  overflow: visible;
}

.rf-day__check {
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 18;
  stroke-dashoffset: 18;
  transition: stroke-dashoffset 340ms var(--rf-ease) 90ms;
}

/* Hover / press: a small lift, then a tactile press. */
@media (hover: hover) {
  .rf-day:hover .rf-day__face {
    border-color: rgba(196, 71, 110, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(64, 92, 120, 0.12);
  }
}

.rf-day:active .rf-day__face {
  transform: scale(0.975);
  transition-duration: 90ms;
}

/* Selected: blush paper, rose rim, gold inner line, the tick fills and draws. */
.rf-day__input:checked + .rf-day__face {
  border-color: var(--rf-rose);
  background: linear-gradient(135deg, #fff7f5 0%, #fde6ec 100%);
  box-shadow:
    inset 0 0 0 1px rgba(201, 162, 90, 0.55),
    0 6px 16px rgba(196, 71, 110, 0.16);
}

.rf-day__input:checked + .rf-day__face .rf-day__date {
  background: radial-gradient(circle at 50% 35%, #d65a82 0%, var(--rf-rose-deep) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 233, 190, 0.9), inset 0 0 0 calc(var(--u) * 0.6) rgba(255, 255, 255, 0), inset 0 0 0 calc(var(--u) * 0.7) rgba(255, 233, 190, 0.4);
}

.rf-day__input:checked + .rf-day__face .rf-day__num,
.rf-day__input:checked + .rf-day__face .rf-day__mon {
  color: #fffaf1;
}

.rf-day__input:checked + .rf-day__face .rf-day__tick {
  border-color: var(--rf-rose);
  background: var(--rf-rose);
  transform: scale(1.06);
}

.rf-day__input:checked + .rf-day__face .rf-day__check {
  stroke-dashoffset: 0;
}

.rf-day__input:focus-visible + .rf-day__face {
  outline: 2px solid var(--rf-rose-deep);
  outline-offset: 3px;
}

/* One-shot pop when ticked (rsvp-form.js adds it). */
.rf-day.is-pop .rf-day__tick {
  animation: rf-tick-pop 460ms var(--rf-ease);
}

@keyframes rf-tick-pop {
  0% { transform: scale(0.7); }
  55% { transform: scale(1.22); }
  100% { transform: scale(1.06); }
}

/* -------------------------------------------------------------- send */

.rf-send {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 2.4);
  min-height: 48px;
  height: calc(var(--u) * 12.6);
  padding: 0 calc(var(--u) * 6) 0 calc(var(--u) * 2);
  overflow: hidden;
  color: #fffaf1;
  font-family: var(--hn-serif);
  font-size: calc(var(--u) * 4.3);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 999px;
  background: linear-gradient(180deg, #bd4670 0%, var(--rf-rose-deep) 100%); /* ivory text >= 4.6:1 top to bottom */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    inset 0 0 0 1px rgba(255, 226, 180, 0.35),
    0 calc(var(--u) * 1.2) calc(var(--u) * 3.2) rgba(168, 53, 90, 0.32);
  transition: transform 220ms var(--rf-ease), box-shadow 220ms ease;
  -webkit-tap-highlight-color: transparent;
}

.rf-send__glyph {
  display: grid;
  flex: none;
  place-items: center;
  width: calc(var(--u) * 8.4);
  height: calc(var(--u) * 8.4);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(80, 20, 40, 0.25);
}

.rf-send__glyph svg {
  width: 72%;
  height: 72%;
}

.rf-send__label {
  position: relative;
  white-space: nowrap;
}

/* A glint that sweeps across the button now and then while the slide is on screen. */
.rf-send::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(100deg, rgba(255, 255, 255, 0) 0%, rgba(255, 244, 222, 0.42) 50%, rgba(255, 255, 255, 0) 100%);
  transform: translateX(-120%) skewX(-18deg);
  pointer-events: none;
}

.stage--rsvpform.is-live .rf-send::after {
  animation: rf-glint 4.8s ease-in-out 1.6s infinite;
}

@keyframes rf-glint {
  0%,
  62% { transform: translateX(-120%) skewX(-18deg); }
  86%,
  100% { transform: translateX(330%) skewX(-18deg); }
}

@media (hover: hover) {
  .rf-send:hover {
    transform: translateY(-1px);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.35),
      inset 0 0 0 1px rgba(255, 226, 180, 0.45),
      0 calc(var(--u) * 1.6) calc(var(--u) * 4) rgba(168, 53, 90, 0.38);
  }
}

.rf-send:active {
  transform: scale(0.97);
  transition-duration: 90ms;
}

.rf-send:focus-visible {
  outline: 3px solid var(--rf-leaf);
  outline-offset: 3px;
}

.rf-hint {
  min-height: 1.3em;
  margin: calc(var(--u) * 2.2) 0 0;
  color: var(--rf-olive);
  font-size: calc(var(--u) * 3);
  font-style: italic;
  line-height: 1.3;
}

.rf-hint.is-ready {
  color: var(--rf-rose-deep);
}

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

/* -------------------------------------------------------------- envelope */
/* The intro's sky-blue paper and gold seal, drawn small for the send moment. */

.rf-env {
  position: absolute;
  z-index: 4;
  left: 31%;
  top: 40%;
  width: 38%;
  aspect-ratio: 3 / 2;
  opacity: 0;
  pointer-events: none;
  perspective: 900px;
}

.rf-env > * {
  position: absolute;
  display: block;
}

/* paint order: back, open flap, letter, pocket, (closed flap: raised by the JS), seal */
.rf-env__back { z-index: 0; }
.rf-env__flap { z-index: 1; }
.rf-env__letter { z-index: 2; }
.rf-env__front { z-index: 3; }
.rf-env__seal { z-index: 6; }

.rf-env__back {
  inset: 0;
  border-radius: 4px;
  background: linear-gradient(180deg, #93b8c9 0%, #9fc2d1 100%);
  box-shadow: 0 10px 22px rgba(46, 78, 100, 0.28);
}

/* the card going in */
.rf-env__letter {
  left: 7%;
  right: 7%;
  top: 6%;
  height: 86%;
  border-radius: 2px;
  background:
    linear-gradient(90deg, rgba(201, 162, 90, 0) 20%, rgba(201, 162, 90, 0.5) 50%, rgba(201, 162, 90, 0) 80%) 50% 22% / 60% 1px no-repeat,
    linear-gradient(90deg, rgba(196, 71, 110, 0) 25%, rgba(196, 71, 110, 0.55) 50%, rgba(196, 71, 110, 0) 75%) 50% 32% / 50% 3px no-repeat,
    #fffaf1;
  box-shadow: inset 0 0 0 1px rgba(201, 162, 90, 0.45);
  transform: translateY(-62%);
}

/* pocket (two side flaps + the bottom flap) and the top flap, drawn as SVG so their
   folded edges carry a fine shadow line like the intro envelope's */
.rf-env__front {
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 200' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='a' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23bcd8e4'/%3E%3Cstop offset='1' stop-color='%23a6c8d7'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 0 L150 112 L300 0 L300 200 L0 200 Z' fill='url(%23a)'/%3E%3Cpath d='M0 200 L128 96 M300 200 L172 96' stroke='%237fa6b8' stroke-opacity='.35' stroke-width='1.2' fill='none'/%3E%3Cpath d='M0 0 L150 112 L300 0' stroke='%23ffffff' stroke-opacity='.55' stroke-width='1.4' fill='none'/%3E%3C/svg%3E") 0 0 / 100% 100% no-repeat;
  border-radius: 4px;
}

.rf-env__flap {
  left: 0;
  top: 0;
  width: 100%;
  height: 62%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 124' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='f' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23cfe5ee'/%3E%3Cstop offset='1' stop-color='%23b2d1de'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 0 L300 0 L150 124 Z' fill='url(%23f)'/%3E%3Cpath d='M0.5 0.5 L150 123 L299.5 0.5' stroke='%23638fa3' stroke-opacity='.45' stroke-width='1.6' fill='none'/%3E%3C/svg%3E") 0 0 / 100% 100% no-repeat;
  transform-origin: 50% 0;
  transform: rotateX(180deg); /* open */
  backface-visibility: visible;
}

.rf-env__seal {
  left: 50%;
  top: 44%;
  width: 26%;
  height: auto;
  opacity: 0;
  transform: translate(-50%, -50%) scale(1.8);
}

/* -------------------------------------------------------------- entrance */
/* Armed by rsvp-form.js (motion allowed); .is-in when the slide scrolls in. */

.stage--rsvpform.rf-armed .rf-card {
  opacity: 0;
  transform: translateY(calc(var(--u) * 5)) scale(0.97);
  transition: opacity 900ms ease, transform 1100ms var(--rf-ease);
}

.stage--rsvpform.rf-armed .rf-in {
  opacity: 0;
  transform: translateY(calc(var(--u) * 2.4));
  transition:
    opacity 700ms ease calc(260ms + var(--i, 0) * 80ms),
    transform 900ms var(--rf-ease) calc(260ms + var(--i, 0) * 80ms);
}

.stage--rsvpform.rf-armed .rf-dove {
  opacity: 0;
  transition: opacity 900ms ease 500ms, transform 1300ms var(--rf-ease) 500ms;
}

.stage--rsvpform.rf-armed .rf-dove--a {
  transform: translate(-60%, 30%) scale(0.85);
}

.stage--rsvpform.rf-armed .rf-dove--b {
  transform: translate(60%, 30%) scale(-0.85, 0.85);
}

.stage--rsvpform.rf-armed.is-in .rf-card,
.stage--rsvpform.rf-armed.is-in .rf-in {
  opacity: 1;
  transform: none;
}

.stage--rsvpform.rf-armed.is-in .rf-dove {
  opacity: 1;
}

.stage--rsvpform.rf-armed.is-in .rf-dove--a {
  transform: none;
}

.stage--rsvpform.rf-armed.is-in .rf-dove--b {
  transform: scaleX(-1);
}

/* Once the entrance has played rsvp-form.js drops .rf-armed, so hover / press transforms
   on the chips and the button are their own again. */

/* Particle canvas: stage-sized, never larger. */
.rf-fx {
  position: absolute;
  z-index: 5;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .rf-day__face,
  .rf-day__tick,
  .rf-day__check,
  .rf-send {
    transition: none;
  }

  .stage--rsvpform .rf-dove__img,
  .rf-send::after {
    animation: none !important;
  }
}