/* ----------------------------------------------------------------------
   Hilal & Burhan — Hochzeitseinladung
   Stil: Aquarell, Cremeweiss, kursive Serif. Inspired by Canva-Original.
---------------------------------------------------------------------- */

:root {
  --bg-cream: #f6efe7;
  --paper: #fbf6ef;
  --ink: #2e2820;
  --ink-soft: #5a4f44;
  --accent: #b78a6b;
  --accent-soft: #d6b9a5;
  --rose: #e7c8c2;
  --shadow: rgba(60, 40, 30, .18);
  --serif-display: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --script: "Pinyon Script", "Allura", cursive;
  --radius-card: 22px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--serif-display);
  font-weight: 300;
  color: var(--ink);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh;
  min-height: 100svh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

button { font-family: inherit; }

/* ---- Stage / Scenes ---- */
.stage { position: relative; }

.scene { position: relative; width: 100%; }

/* ---- SCENE 1: Cover ---- */
.scene--cover {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  transition: opacity .9s ease, transform .9s ease;
}

.cover__bg {
  position: absolute;
  inset: 0;
  background: url("assets/bg-watercolor.jpg") center/cover no-repeat;
  background-color: #e8d6cf;
  z-index: -1;
  filter: saturate(1.05);
}

.cover__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(255,250,245,.18), transparent 60%),
    linear-gradient(to bottom, rgba(255,250,245,.05), rgba(60,40,30,.18));
}

.cover__content {
  position: relative;
  text-align: center;
  padding: 6vh 6vw 8vh;
  max-width: 560px;
  width: 100%;
  color: var(--ink);
}

.cover__intro {
  font-style: italic;
  font-weight: 300;
  font-size: clamp(18px, 3.4vw, 26px);
  letter-spacing: .01em;
  margin: 0 0 14px;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(255,255,255,.4);
}

.cover__names {
  font-family: var(--script);
  font-weight: 400;
  font-size: clamp(46px, 9vw, 78px);
  line-height: 1.05;
  margin: 0 0 36px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .4em;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(255,255,255,.5);
}

.cover__names .amp {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: .55em;
  font-weight: 400;
  color: var(--ink-soft);
  align-self: center;
  margin-top: .15em;
}

/* ---- Envelope ---- */
.envelope {
  --w: clamp(220px, 56vw, 330px);
  --h: calc(var(--w) * 0.74);
  position: relative;
  width: var(--w);
  height: var(--h);
  margin: 0 auto;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  perspective: 900px;
  filter: drop-shadow(0 18px 30px var(--shadow));
  transition: transform .3s ease;
}

.envelope:hover { transform: translateY(-2px); }
.envelope:active { transform: translateY(0); }

.envelope__back,
.envelope__flap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.envelope__back {
  /* Bottom layer: full envelope visible underneath flap */
  z-index: 1;
}

.envelope__flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  transform-origin: top center;
  transform-style: preserve-3d;
  transition: transform 1.1s cubic-bezier(.65, .04, .3, 1);
  z-index: 3;
  overflow: hidden;
  border-radius: 6px 6px 0 0;
}

.envelope__flap img {
  /* This image is the top half of the envelope (showing the triangular flap front) */
  width: 100%;
  height: 200%;
  object-fit: cover;
  object-position: top;
  border-radius: 6px;
}

.envelope__seal {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 38%;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 4;
  pointer-events: none;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,.18));
  transition: opacity .35s ease, transform .35s ease;
}

.envelope__shadow {
  position: absolute;
  bottom: -6%;
  left: 6%;
  right: 6%;
  height: 16px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.35), transparent 70%);
  filter: blur(4px);
  z-index: 0;
}

/* OPEN state — envelope opens up */
.stage[data-state="opening"] .envelope__seal,
.stage[data-state="open"] .envelope__seal {
  opacity: 0;
  transform: translate(-50%, -50%) scale(.7);
}

.stage[data-state="opening"] .envelope__flap,
.stage[data-state="open"] .envelope__flap {
  transform: rotateX(-185deg);
}

.cover__hint {
  margin: 28px 0 0;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: clamp(14px, 2.6vw, 18px);
  color: var(--ink-soft);
  letter-spacing: .04em;
  animation: hint-bob 2.4s ease-in-out infinite;
}

.stage[data-state="opening"] .cover__hint,
.stage[data-state="open"] .cover__hint {
  opacity: 0;
  transition: opacity .4s ease;
}

@keyframes hint-bob {
  0%, 100% { transform: translateY(0); opacity: .85; }
  50% { transform: translateY(4px); opacity: 1; }
}

/* When card is open, slide cover up out of view */
.stage[data-state="open"] .scene--cover {
  transform: translateY(-6vh);
  opacity: .0;
  pointer-events: none;
  position: absolute;
  inset: 0;
}

/* ---- SCENE 2: Card (inside) ---- */
.scene--card {
  background: var(--paper);
  background-image:
    radial-gradient(ellipse at 0% 0%, rgba(231, 200, 194, .25), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(214, 185, 165, .25), transparent 50%);
  padding: 40px 22px 60px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .9s ease .35s, transform .9s ease .35s;
  pointer-events: none;
  min-height: 100vh;
}

.stage[data-state="open"] .scene--card {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.scene--card[aria-hidden="true"] { /* visual is controlled by stage state, ARIA is toggled in JS */ }

/* ---- Card Hero ---- */
.card-hero {
  position: relative;
  text-align: center;
  padding: 30px 8px 40px;
  max-width: 720px;
  margin: 0 auto;
}

.card-hero__deco {
  position: absolute;
  top: -10px;
  width: clamp(80px, 22vw, 140px);
  opacity: .85;
  pointer-events: none;
}

.card-hero__deco--left { left: -10px; transform: rotate(-12deg); }
.card-hero__deco--right { right: -10px; transform: scaleX(-1) rotate(-12deg); }

.card-hero__kicker {
  font-style: italic;
  letter-spacing: .35em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
  margin: 0 0 14px;
}

.card-hero__monogram {
  font-family: var(--script);
  font-weight: 400;
  font-size: clamp(64px, 14vw, 110px);
  line-height: 1;
  margin: 0 0 14px;
  color: var(--ink);
}

.card-hero__monogram span {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: .42em;
  color: var(--accent);
  margin: 0 .08em;
  vertical-align: middle;
}

.card-hero__date {
  font-family: var(--serif-display);
  font-weight: 300;
  letter-spacing: .25em;
  font-size: clamp(18px, 3.6vw, 24px);
  margin: 0;
  color: var(--ink);
}

/* ---- Card Blocks ---- */
.card-block {
  max-width: 560px;
  margin: 56px auto 0;
  text-align: center;
  position: relative;
  padding: 0 14px;
}

.eyebrow {
  font-style: italic;
  letter-spacing: .3em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--accent);
  margin: 0 0 10px;
  font-weight: 400;
}

.big-line {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--ink);
}

.small-line {
  font-family: var(--serif-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(16px, 3vw, 19px);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

/* Photo block */
.card-block--photo figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 18px 36px -18px rgba(60, 40, 30, .35);
}

.card-block--photo img {
  width: 100%;
  display: block;
  aspect-ratio: 4/5;
  object-fit: cover;
}

/* Where */
.chateau {
  width: clamp(140px, 30vw, 210px);
  margin: 0 auto 14px;
  opacity: .9;
}

/* RSVP */
.cats {
  width: clamp(180px, 50vw, 260px);
  margin: 0 auto 18px;
}

.btn-ghost {
  display: inline-block;
  padding: 12px 22px;
  margin-top: 4px;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, .4);
  backdrop-filter: blur(2px);
  transition: background .25s ease, transform .15s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .7);
  transform: translateY(-1px);
}

/* ---- RSVP form ---- */
.rsvp-form {
  margin: 24px auto 0;
  max-width: 460px;
  text-align: left;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(2px);
  border-radius: var(--radius-card);
  border: 1px solid rgba(183, 138, 107, .18);
  padding: 22px 22px 26px;
  box-shadow: 0 18px 36px -22px rgba(60, 40, 30, .25);
}

.rsvp-toggle {
  border: 0;
  padding: 0;
  margin: 0 0 18px;
}

.rsvp-toggle legend {
  font-style: italic;
  font-size: 14px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 auto 10px;
  text-align: center;
  width: 100%;
}

.rsvp-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.rsvp-toggle legend {
  grid-column: 1 / -1;
}

.rsvp-toggle label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 8px;
  border: 1px solid var(--accent-soft);
  border-radius: 12px;
  cursor: pointer;
  background: rgba(255, 255, 255, .55);
  transition: background .2s ease, border-color .2s ease;
  font-style: italic;
  font-size: 16px;
  color: var(--ink);
}

.rsvp-toggle label:has(input:checked) {
  background: var(--rose);
  border-color: var(--accent);
}

.rsvp-toggle input { accent-color: var(--accent); }

.field {
  display: block;
  margin: 0 0 14px;
}

.field > span {
  display: block;
  font-style: italic;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.field em {
  font-style: italic;
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .2em;
  margin-left: 4px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--serif-display);
  font-size: 16px;
  color: var(--ink);
  border: 1px solid var(--accent-soft);
  background: #fffaf4;
  border-radius: 10px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(183, 138, 107, .15);
}

.field textarea {
  resize: vertical;
  min-height: 84px;
  font-family: var(--serif-display);
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px 22px;
  margin-top: 6px;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 17px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(180deg, #c79a7c 0%, #a8765a 100%);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 14px 24px -10px rgba(168, 118, 90, .55);
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.btn-primary:active { transform: translateY(0); }

.rsvp-confirm {
  margin: 18px 0 0;
  padding: 14px;
  text-align: center;
  font-style: italic;
  background: rgba(231, 200, 194, .35);
  border-radius: 12px;
  color: var(--ink);
}

.hp { position: absolute; left: -9999px; }

/* Footer */
.card-footer {
  text-align: center;
  margin-top: 70px;
  padding: 30px 0 10px;
  color: var(--ink-soft);
  font-style: italic;
  letter-spacing: .25em;
  text-transform: uppercase;
  font-size: 12px;
}

.card-footer .seal-sm {
  width: 70px;
  margin: 0 auto 14px;
  opacity: .85;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .card-hero__deco--left { left: -22px; }
  .card-hero__deco--right { right: -22px; }
  .rsvp-form { padding: 18px; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .envelope__flap,
  .scene--cover,
  .scene--card,
  .cover__hint {
    transition-duration: 0s !important;
    animation: none !important;
  }
}