/* =========================================================
   Undangan Upacara — Mecaru Rsi Gana, Melaspas Mupuk Pedagingan
   lan Ngenteg Linggih — tema HIJAU SOFT (kalau terang)
   ========================================================= */

:root {
  /* skema hijau soft ala ilustrasi referensi */
  --green-950: #2c4130; /* teks paling gelap */
  --green-900: #5c8a4e; /* hijau daun utama  */
  --green-800: #4f7c46; /* hijau sedang      */
  --green-700: #31402f; /* hijau pekat       */
  --green-500: #5c8a4e; /* cta               */
  --sand: #d9a954; /* langit oranye lembut */
  --gold: #c9995c; /* emas hangat       */
  --gold-2: #a87c34; /* emas gelap (teks di terang) */
  --cream: #fbf6e7; /* kartu gading      */
  --cream-2: #f4ecd5; /* latar lembut      */
  --paper: #fbf6e7; /* dasar halaman     */
  --ink: #2c4130; /* teks utama gelap  */
  --ink-2: #5b6b52; /* teks sekunder     */
  --muted-c: #6d7a5e; /* teks muted terang */
  --muted-g: #8a9480; /* teks muted        */
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --script: "Great Vibes", "Snell Roundhand", cursive;
  --sanskr: "Yatra One", "Great Vibes", serif; /* gaya Devanagari/Sansekerta */
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  /* dasar krem-gading hangat dengan pattern daun lembut */
  background-color: #f4efdd;
  background-image:
    radial-gradient(
      circle at 12% 14%,
      rgba(92, 138, 78, 0.08) 0 2px,
      transparent 3px
    ),
    radial-gradient(
      circle at 62% 42%,
      rgba(217, 169, 84, 0.1) 0 2px,
      transparent 3px
    ),
    radial-gradient(
      circle at 32% 72%,
      rgba(92, 138, 78, 0.07) 0 2px,
      transparent 3px
    );
  background-size:
    90px 90px,
    130px 130px,
    110px 110px;
  color: var(--ink);
  font-family: var(--serif);
  overflow-x: hidden;
}
/* Saat TERKUNCI: halaman sengaja tidak bisa di-scroll (seperti undangan
   pada umumnya) TAPI tingginya dibatasi tepat satu layar supaya tombol
   "Buka Undangan" selalu terlihat — tidak pernah ada dead-scroll. */
body.locked {
  overflow: hidden;
  height: 100dvh;
}
body.locked .sheet {
  min-height: 100dvh;
}
body.locked .cover {
  height: 100dvh;
  padding-bottom: calc(26px + env(safe-area-inset-bottom));
  overflow: hidden;
}
@media (max-height: 720px) {
  body.locked .cover {
    overflow-y: auto; /* layar pendek: boleh scroll di sampul saja */
  }
}

.defs-holder {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.sheet {
  max-width: 520px;
  margin-inline: auto;
  min-height: 100dvh;
  position: relative;
  background: var(--paper);
  box-shadow: 0 0 60px rgba(49, 64, 47, 0.18);
  display: flex;
  flex-direction: column;
}
.sheet > main,
.sheet > footer {
  width: 100%;
}

/* ---------- util ---------- */
svg.ic {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin: 0 0 0.35rem;
}
.muted-g {
  color: var(--muted-g);
}
.muted-c {
  color: var(--muted-c);
}
.gld {
  color: var(--gold);
}
.pd {
  display: none;
}

/* ---------- tombol ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 50px;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.015em;
  text-decoration: none;
  color: var(--green-950);
  cursor: pointer;
  transition:
    filter 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}
.btn:active {
  transform: scale(0.97);
}
.btn .ic {
  width: 20px;
  height: 20px;
}
.btn-gold {
  background: linear-gradient(180deg, #d9a954, #c9995c);
  border-color: #b98f48;
  color: #3a2d1e;
  box-shadow: 0 10px 24px rgba(49, 64, 47, 0.22);
}
.btn-green {
  background: linear-gradient(180deg, #6f9c5c, #527d45);
  color: #fbf6e7;
  box-shadow: 0 10px 24px rgba(49, 64, 47, 0.22);
}
.btn-out {
  background: transparent;
  color: var(--green-700);
  border-color: rgba(49, 64, 47, 0.4);
}
.btn-out:hover {
  border-color: var(--green-700);
  color: var(--green-900);
}
.btn-gold:hover {
  filter: brightness(1.06);
}
.btn-green:hover {
  filter: brightness(1.06);
}
.btn-gold:focus-visible,
.btn-green:focus-visible,
.btn-out:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 3px;
}

/* =========================================================
   SLOT GAMBAR (boleh diganti foto/ilustrasi bebas)
   Ganti file di assets/img/ tanpa menyentuh CSS:
   - bg-cover.png   → latar sampul
   - bg-pattern.png → tekstur section (di-tile)
   - meru-soft.png  → watermark meru di belakang kartu
   Kalau file dihapus → otomatis kembali ke gradasi hijau.
   ========================================================= */

/* latar sampul — bg-top.png (gapura, penjor, frangipani; area tengah lapang
   untuk teks). Fallback gradient jika file tidak ada. */
.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("../img/bg-top.jpg") center / cover no-repeat,
    linear-gradient(180deg, #f4efdd 0%, #efe7d0 100%);
  z-index: 0;
}
.cover::after {
  /* timbulkan teks di area tengah-atas yang terang di bg */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    62% 44% at 50% 34%,
    rgba(251, 246, 231, 0.78),
    rgba(251, 246, 231, 0.38) 62%,
    transparent 100%
  );
  z-index: 1;
  pointer-events: none;
}
.cover > * {
  position: relative;
  z-index: 3;
}

/* tidak ada lagi ilustrasi flat svg di sampul — digantikan bg-top */

/* tombol Buka Undangan ditarik ke tengah bawah sesuai komposisi bg */
.cover-btn {
  margin-top: 0.3rem;
}

/* ---------- AUDIO FAB (floating on/off) ---------- */
.audio-fab {
  position: fixed;
  top: calc(14px + env(safe-area-inset-top));
  right: 14px;
  z-index: 300;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--green-700);
  background: rgba(251, 246, 231, 0.92);
  border: 1px solid rgba(49, 64, 47, 0.35);
  box-shadow: 0 8px 22px rgba(49, 64, 47, 0.25);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition:
    transform 0.18s ease,
    border-color 0.2s ease;
  user-select: none;
}
.audio-fab:active {
  transform: scale(0.92);
}
.audio-fab .af-icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.audio-fab .af-icon path:first-child {
  fill: currentColor;
  stroke: none;
}
.audio-fab .wave {
  opacity: 0;
  transition: opacity 0.25s ease;
}
.audio-fab .slash {
  transition: opacity 0.25s ease;
}
.audio-fab.playing .wave {
  opacity: 1;
  animation: af-pulse 1.6s ease-in-out infinite;
}
.audio-fab.playing .slash {
  opacity: 0;
}
.audio-fab:not(.playing) .slash {
  opacity: 1;
}
@keyframes af-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}
.audio-fab.playing {
  border-color: var(--gold);
}

/* ---------- MEDALI (single image, bulat) ---------- */
.medallion {
  width: min(52vw, 205px);
  height: auto;
  margin: 0.2rem 0 0.4rem;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.38));
  animation: med-in 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
@keyframes med-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* gapura mengapit sampul — kuning emas hangat */
/* ornamen svg sampul dihapus (bg-top.png sudah memuatnya) */

/* ---------- MEDALI (single image, bulat) ---------- */
.medallion {
  width: min(52vw, 205px);
  height: auto;
  margin: 0.2rem 0 0.4rem;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.38));
  animation: med-in 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
@keyframes med-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* gapura mengapit sampul — kuning emas hangat */
/* pattern daun/bunga samar untuk semua section */
.sect {
  background-image:
    radial-gradient(
      circle at 22% 30%,
      rgba(92, 138, 78, 0.12) 0 3px,
      transparent 4px
    ),
    radial-gradient(
      circle at 70% 60%,
      rgba(217, 169, 84, 0.14) 0 3px,
      transparent 4px
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(92, 138, 78, 0.1) 0 2.5px,
      transparent 3.5px
    );
  background-size: 130px 130px;
}

/* watermark meru di belakang kartu acara */
.card::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -30px;
  width: 220px;
  height: 220px;
  background: url("../img/meru-soft.png") center/contain no-repeat;
  opacity: 0.12;
  filter: hue-rotate(60deg) saturate(0.7);
  pointer-events: none;
}
.card > * {
  position: relative;
  z-index: 1;
}

/* ---------- batang footer ---------- */
.dbar::after {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(
    90deg,
    #c9a227,
    #e7cb79 28%,
    #f3ecd9 50%,
    #e7cb79 72%,
    #c9a227
  );
}

/* =========================================================
   SAMPUL
   ========================================================= */
.cover {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  text-align: center;
  padding: clamp(14px, 2.4vh, 30px) 26px 30px;
  /* isi dibuat kompak agar semua muat di satu layar */
}
.cover-eyebrow {
  margin: 0;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--muted-c);
}
.cover-title {
  font-family: var(--sanskr);
  font-weight: 400;
  letter-spacing: 1px;
  font-size: 2.05rem;
  line-height: 1.18;
  margin: 0.5rem 0 0.85rem;
  color: var(--green-700);
  text-shadow: 0 1px 0 rgba(251, 246, 231, 0.6);
}
.cover-title span {
  display: block;
}
.cover-title .ct-small {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--sand);
  margin: 0.2rem 0;
  text-shadow: 0 1px 0 rgba(251, 246, 231, 0.7);
}
.cover-title span + span:not(.ct-small) {
  margin-top: -0.55rem;
}

.medallion {
  width: min(52vw, 205px);
  height: auto;
  margin: 0.2rem 0 0.4rem;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.38));
  animation: med-in 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.cover-for {
  margin-top: 0.55rem;
}
.cover-k {
  margin: 0 0 0.15rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--muted-g);
  text-transform: uppercase;
}
.cover-name {
  margin: 0;
  font-family: var(--script);
  font-size: 2rem;
  line-height: 1.25;
  color: var(--green-900);
}
.cover-name:empty::before {
  content: "—";
}
.cover-hint {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  color: var(--muted-c);
  opacity: 0.85;
}

#guestName {
  font-variant-ligatures: common-ligatures;
}

/* =========================================================
   ISI (locked/open)
   ========================================================= */
#undangan {
  display: none;
}
body.unlocked #undangan {
  display: block;
}
body.locked #nav {
  display: none;
}

.reveal-anim {
  animation: rise 0.7s ease both;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.sect {
  position: relative;
  padding: 40px 26px;
  text-align: center;
}
.sect.open {
  padding-top: 44px;
  padding-bottom: 18px;
}

.om-badge {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  color: var(--green-800);
  background: radial-gradient(circle at 32% 30%, #eef2e2, #dfe8d2 72%);
  border: 1px solid rgba(49, 64, 47, 0.35);
  box-shadow: 0 8px 20px rgba(49, 64, 47, 0.18);
}
.om {
  margin: 0 0 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  text-transform: uppercase;
  color: var(--gold-2);
}
.lead {
  margin: 0 auto 0.7rem;
  max-width: 36ch;
  line-height: 1.62;
  font-size: 1.04rem;
  color: var(--ink);
}
.lead strong {
  color: var(--green-900);
}
.lead.sm {
  margin-bottom: 1rem;
  font-size: 0.94rem;
  color: var(--ink-2);
  max-width: 34ch;
}
.sub-script {
  display: none;
}

.divider {
  width: min(80%, 240px);
  height: 28px;
  color: var(--gold-2);
  opacity: 0.9;
  margin: 6px auto;
}
.divider.sm {
  height: 24px;
}
.divider.light {
  color: var(--gold-2);
}

.display {
  font-family: var(--sanskr);
  font-weight: 400;
  letter-spacing: 0.5px;
  font-size: clamp(2.1rem, 9.5vw, 2.9rem);
  line-height: 1.18;
  color: var(--green-700);
  margin: 0.15rem 0 0.2rem;
  text-shadow: 0 1px 0 rgba(251, 246, 231, 0.65);
}

/* ---------- save the date ---------- */
.oc {
  position: absolute;
  width: 120px;
  height: 120px;
  color: var(--green-800);
  opacity: 0.25;
  pointer-events: none;
}
.c-tl {
  top: 10px;
  left: 10px;
}
.c-tr {
  top: 10px;
  right: 10px;
  transform: scaleX(-1);
}

/* ---------- kartu acara ---------- */
.acara-sec {
  padding-top: 6px;
  padding-bottom: 34px;
}
.card {
  background: linear-gradient(180deg, #fdfaf0, #f7f1de);
  border: 1px solid rgba(49, 64, 47, 0.16);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(49, 64, 47, 0.14);
  padding: 26px 22px 28px;
  position: relative;
  overflow: hidden;
}
.card::before {
  /* sudut tumpul + garis lembut */
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 18px;
  border: 1px solid rgba(49, 64, 47, 0.1);
  pointer-events: none;
}

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
}
.rows li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 11px 0;
}
.rows li + li {
  border-top: 1px dashed rgba(49, 64, 47, 0.24);
}
.ri {
  flex: 0 0 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(92, 138, 78, 0.14);
  border: 1px solid rgba(92, 138, 78, 0.45);
  color: var(--green-800);
}
.ri .ic {
  width: 19px;
  height: 19px;
}
.rt {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rt b {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-c);
  font-weight: 600;
}
.rt span {
  display: block;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--ink);
}
.rt small {
  display: block;
  margin-top: 3px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.cd-title {
  margin: 6px 0 12px;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-c);
  font-weight: 600;
}
.countdown {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 0 0 20px;
}
.cd {
  flex: 1;
  max-width: 88px;
  padding: 12px 4px 10px;
  border-radius: 14px;
  text-align: center;
  background: #f1ecd9;
  border: 1px solid rgba(49, 64, 47, 0.2);
}
.cd b {
  display: block;
  font-size: clamp(1.5rem, 6.5vw, 1.9rem);
  line-height: 1.1;
  color: var(--green-700);
  font-variant-numeric: tabular-nums;
}
.cd span {
  display: block;
  margin-top: 3px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-c);
}

.btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 14px;
}
.btns .btn {
  flex: 1 1 auto;
  min-width: 200px;
}

.rsvp[hidden] {
  display: none;
}
.rsvp {
  margin-top: 18px;
}

/* ---------- form RSVP → rsvp.json ---------- */
.rsvp-form {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rf-input {
  width: 100%;
  min-height: 50px;
  padding: 0.7rem 1.1rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  background: #fdfaf0;
  border: 1.5px solid rgba(49, 64, 47, 0.3);
  border-radius: 14px;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.rf-input:focus {
  border-color: var(--green-800);
  box-shadow: 0 0 0 3px rgba(92, 138, 78, 0.18);
}
.rf-opts {
  display: flex;
  gap: 10px;
}
.rf-opt {
  flex: 1;
  cursor: pointer;
  position: relative;
}
.rf-opt input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.rf-opt span {
  display: block;
  text-align: center;
  padding: 0.65rem 0.5rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink-2);
  background: #f1ecd9;
  border: 1.5px solid rgba(49, 64, 47, 0.22);
  transition: all 0.18s ease;
}
.rf-opt input:checked + span {
  background: var(--green-800);
  border-color: var(--green-800);
  color: #fbf6e7;
  box-shadow: 0 6px 14px rgba(49, 64, 47, 0.2);
}
.rf-opt input:focus-visible + span {
  outline: 2px solid var(--green-900);
  outline-offset: 2px;
}
.rf-submit {
  width: 100%;
}
.rf-submit:disabled {
  opacity: 0.6;
  cursor: wait;
}
.rf-msg {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.92rem;
  text-align: center;
  color: var(--ink-2);
}
.rf-msg.ok {
  color: var(--green-800);
}
.rf-msg.err {
  color: #b0563e;
}

/* ---------- save the date ---------- */
.save {
  padding: 88px 26px;
}
.save-inner {
  position: relative;
  z-index: 2;
  max-width: 420px;
  margin-inline: auto;
}
.s-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  text-transform: uppercase;
  color: var(--muted-c);
}
.s-title {
  font-family: var(--script);
  font-size: 2.5rem;
  margin: 0.1rem 0 0.4rem;
  color: var(--green-900);
  line-height: 1.2;
}
.s-date {
  margin: 0.8rem 0 0;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--green-700);
}
.s-time {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
}
.s-loc {
  margin: 0.55rem auto 1.2rem;
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 34ch;
}

.pen {
  position: absolute;
  bottom: -6px;
  width: clamp(64px, 17vw, 104px);
  height: auto;
  color: rgba(49, 64, 47, 0.3);
  pointer-events: none;
  z-index: 1;
}
.pen.pr-l {
  left: 2px;
}
.pen.pr-r {
  right: 2px;
  transform: scaleX(-1);
}

.jepun {
  width: 64px;
  height: 64px;
  color: var(--green-900);
  position: absolute;
  pointer-events: none;
  opacity: 0.5;
}
.j-a {
  top: 26px;
  left: 20px;
  transform: scale(0.72);
  opacity: 0.55;
}
.j-b {
  bottom: 26px;
  right: 20px;
  transform: scale(0.55);
  opacity: 0.45;
}
.j-c {
  top: 20px;
  right: 18px;
  transform: scale(0.6);
  opacity: 0.5;
}

/* ---------- penutup ---------- */
.close {
  padding-bottom: 130px;
}
.close .lead {
  max-width: 40ch;
}
.script-xl {
  font-family: var(--script);
  font-size: 2.35rem;
  color: var(--green-900);
  margin: 1.1rem 0 0.2rem;
}
.shanti {
  margin: 0.2rem 0 2.2rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}
.close-sky {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 84px;
  width: 100%;
  height: auto;
  opacity: 0.16;
  pointer-events: none;
}

/* ---------- footer ---------- */
.foot {
  text-align: center;
  padding: 26px 20px calc(20px + env(safe-area-inset-bottom));
  background: var(--green-800);
  color: #f4efdd;
  margin-top: auto;
}
.f-name {
  margin: 0;
  font-size: 0.95rem;
  color: #e8eede;
}
.f-sm {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: rgba(244, 239, 221, 0.7);
}

/* ---------- partikel melayang (bunga/kunang emas, JS-spawned) ---------- */
.f-particle {
  position: fixed;
  top: -30px;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  color: var(--green-800);
  animation:
    f-drift linear infinite,
    f-fade 3.2s ease-in-out infinite;
  will-change: transform, opacity;
}
@keyframes f-drift {
  from {
    transform: translate3d(0, -30px, 0) rotate(0deg);
  }
  to {
    transform: translate3d(var(--dx, 24px), 108vh, 0) rotate(300deg);
  }
}
@keyframes f-fade {
  0%,
  100% {
    opacity: 0;
  }
  18% {
    opacity: 0.85;
  }
  50% {
    opacity: 0.5;
  }
  82% {
    opacity: 0.8;
  }
}

/* ---------- banten di save the date ---------- */
.save-banten {
  position: relative;
  width: 74px;
  height: auto;
  margin-bottom: 0.5rem;
  color: var(--green-800);
  opacity: 0.7;
}

/* ---------- nav bawah ---------- */
.nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  gap: 2px;
  background: rgba(251, 246, 231, 0.93);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(49, 64, 47, 0.2);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
}
.nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
  padding: 6px 4px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--muted-c);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-align: center;
  transition:
    color 0.2s ease,
    background 0.2s;
}
.nav a .ic {
  width: 21px;
  height: 21px;
}
.nav a:hover {
  color: var(--green-900);
}
.nav a.active {
  color: var(--green-700);
  background: rgba(92, 138, 78, 0.16);
}
.nav a:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 2px;
}

/* ---------- reveal on scroll (varian elegan) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: var(--rd, 0ms);
  will-change: opacity, transform;
}
[data-reveal="left"] {
  transform: translateX(-34px);
}
[data-reveal="right"] {
  transform: translateX(34px);
}
[data-reveal="zoom"] {
  transform: scale(0.92);
}
[data-reveal].revealed {
  opacity: 1 !important;
  transform: none;
}
/* kartu acara: berkesan “hadir dari bawah” lebih dalam */
.card[data-reveal] {
  transform: translateY(44px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .reveal-anim {
    animation: none;
  }
  .f-particle {
    animation: none !important;
    opacity: 0.25 !important;
  }
}

/* Desktop: layout tetap "kartu" seperti contoh */
@media (min-width: 720px) {
  .sheet {
    max-width: 520px;
    border-inline: 1px solid rgba(49, 64, 47, 0.14);
    border-radius: 28px;
    margin: 30px auto;
    min-height: auto;
    box-shadow: 0 40px 90px rgba(49, 64, 47, 0.22);
  }
  .cover {
    min-height: calc(100dvh - 24px);
  }
  .medallion {
    width: min(60vw, 224px);
  }
  .nav {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    bottom: 16px;
    border-radius: 999px;
    border: 1px solid rgba(49, 64, 47, 0.2);
    width: min(480px, 92vw);
  }
  .sect {
    padding: 44px 40px;
  }
  .sect.open {
    padding-top: 52px;
  }
}