/* =============================================================
   TEMA MODERN — KOREAN FLORAL WEDDING
   Arah visual: editorial Korea, warm ivory, terracotta, botanical
   line-art, rounded paper cards, dan animasi lembut.
   Mobile-first: komposisi dirancang untuk layar HP.
   ============================================================= */

:root {
    --warna-utama: #6f2d20;
    --warna-kedua: #fffaf3;
    --aksen: #d98d5f;
    --aksen-muda: #f1d8bd;
    --bunga: #e6a16f;
    --daun: #806b5a;
    --tinta: #54261d;
    --kabur: #8f786c;
    --garis: #ead9c9;
    --putih: #fffdf9;
    --shadow: 0 18px 50px rgba(92, 52, 35, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at 15% 22%, rgba(217,141,95,.07) 0 2px, transparent 3px),
        radial-gradient(circle at 88% 46%, rgba(128,107,90,.06) 0 2px, transparent 3px),
        var(--warna-kedua);
    background-size: 34px 34px, 42px 42px, auto;
    color: var(--tinta);
    font-family: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.punya-latar::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image: var(--foto-latar);
    background-size: cover;
    background-position: center;
}
body.punya-latar::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background: rgba(255,250,243,.91);
}

.bingkai { max-width: 480px; margin: 0 auto; padding: 0 24px; }

/* =============================================================
   SAMPUL — terinspirasi undangan Korea pada referensi
   ============================================================= */
.sampul {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 48px 22px 58px;
    text-align: center;
    isolation: isolate;
}
.sampul::before {
    content: '';
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(217,141,95,.24);
    border-radius: 160px 160px 26px 26px;
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 4;
    width: min(100%, 390px);
    animation: hero-in 1.15s cubic-bezier(.2,.8,.2,1) both;
}
.pembuka {
    margin: 0 0 16px;
    color: var(--aksen);
    font-size: 11px;
    letter-spacing: .38em;
    text-transform: uppercase;
    font-weight: 700;
}
.nama-pasangan {
    margin: 0;
    color: var(--tinta);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(44px, 14vw, 68px);
    font-weight: 400;
    line-height: .98;
    letter-spacing: -.045em;
    text-align: center;
    text-wrap: balance;
}
.dan {
    display: block;
    margin: 8px 0;
    color: var(--aksen);
    font-size: .47em;
    line-height: 1;
    font-family: Georgia, serif;
    font-style: italic;
}
.asal-usul {
    margin: 18px auto 0;
    display: flex;
    justify-content: center;
    gap: 22px;
    text-align: center;
}
.asal-usul p {
    margin: 0;
    color: var(--kabur);
    font-size: 10px;
    line-height: 1.55;
    letter-spacing: .05em;
}
.garis-kuningan {
    width: 70px;
    height: 1px;
    border: 0;
    margin: 25px auto 16px;
    background: linear-gradient(90deg, transparent, var(--aksen), transparent);
}
.tanggal-utama { margin: 0; color: var(--kabur); font-size: 13px; }
.tanggal-korea { margin: 0 auto; width: min(100%, 330px); }
.hari-kecil {
    display: block;
    margin-bottom: 8px;
    color: var(--tinta);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .34em;
    text-transform: uppercase;
}
.tanggal-strip {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 10px;
}
.tanggal-strip::before, .tanggal-strip::after {
    content: '';
    height: 30px;
    background: var(--warna-utama);
    opacity: .96;
}
.tanggal-strip::before { grid-column: 1; }
.tanggal-strip::after { grid-column: 3; }
.tanggal-strip .bulan-kecil { grid-column: 1; grid-row: 1; z-index: 2; color: #fff; margin-left: auto; margin-right: -5px; }
.tanggal-strip strong { grid-column: 2; grid-row: 1; color: var(--aksen); font-family: Georgia, serif; font-size: 48px; line-height: 1; font-weight: 400; }
.tanggal-strip .tahun-kecil { grid-column: 3; grid-row: 1; z-index: 2; color: #fff; margin-left: -5px; margin-right: auto; }
.bulan-kecil, .tahun-kecil { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }

.pelat {
    margin: 25px auto 0;
    padding: 14px 22px;
    max-width: 290px;
    border: 1px solid var(--garis);
    border-radius: 14px;
    background: rgba(255,253,249,.82);
    box-shadow: 0 10px 30px rgba(92,52,35,.06);
    text-align: center;
}
.pelat-label { margin: 0 0 2px; color: var(--kabur); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; }
.pelat-nama { margin: 0; color: var(--tinta); font-family: Georgia, serif; font-size: 21px; }
.pelat-catatan { margin: 2px 0 0; color: var(--kabur); font-size: 11px; }

/* Ornamen bunga */
.ornamen { position: absolute; z-index: 2; pointer-events: none; width: 185px; height: 210px; background: url('floral-corner.svg') no-repeat center / contain; opacity: .92; }
.ornamen-kiri { left: -42px; top: -20px; }
.ornamen-kanan { right: -50px; bottom: -18px; transform: rotate(180deg); }
.taburan { position: absolute; z-index: 1; pointer-events: none; width: 150px; height: 160px; background: url('floral-sprig.svg') no-repeat center / contain; opacity: .22; }
.taburan-atas { right: -55px; top: 30px; transform: rotate(8deg); }
.taburan-bawah { left: -60px; bottom: 65px; transform: rotate(188deg); }

/* =============================================================
   KONTEN
   ============================================================= */
.bagian {
    position: relative;
    padding: 68px 0;
    text-align: center;
    overflow: hidden;
}
.bagian::before {
    content: '✿';
    display: block;
    margin: 0 auto 11px;
    color: var(--aksen);
    font-family: Georgia, serif;
    font-size: 18px;
    opacity: .8;
}
.bagian::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 82px;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--garis), transparent);
}
.bagian-judul {
    margin: 0 0 5px;
    color: var(--aksen);
    font-family: Georgia, serif;
    font-size: 29px;
    font-weight: 400;
    letter-spacing: -.02em;
}
.bagian-sub {
    max-width: 340px;
    margin: 0 auto 30px;
    color: var(--kabur);
    font-size: 13px;
    line-height: 1.7;
}
.bagian-kutipan { padding-top: 54px; }
.kutipan-teks { max-width: 380px; margin: 0 auto 22px; padding: 0 22px; border: 0; }
.kutipan-teks::before { content: '“'; display: block; color: var(--aksen); font-family: Georgia, serif; font-size: 52px; line-height: .65; }
.kutipan-teks p { margin: 8px 0; color: var(--tinta); font-family: Georgia, serif; font-size: 18px; line-height: 1.65; font-style: italic; }
.kutipan-teks cite { color: var(--kabur); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.sambutan-teks { max-width: 390px; margin: 0 auto; color: var(--kabur); font-size: 13.5px; line-height: 1.85; }

/* Acara */
.acara {
    position: relative;
    margin: 0 auto 16px;
    padding: 26px 20px 24px;
    max-width: 390px;
    border: 1px solid var(--garis);
    border-radius: 22px;
    background: rgba(255,253,249,.82);
    box-shadow: var(--shadow);
    text-align: center;
    overflow: hidden;
}
.acara::before { content: ''; position: absolute; inset: 7px; border: 1px dashed rgba(217,141,95,.18); border-radius: 17px; pointer-events: none; }
.acara-jenis { position: relative; margin: 0 0 5px; color: var(--aksen); font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.acara-nama { position: relative; margin: 0 0 12px; color: var(--tinta); font-family: Georgia, serif; font-size: 25px; font-weight: 400; }
.acara-baris { margin: 3px 0; color: var(--tinta); font-size: 13px; }
.acara-tempat { margin: 12px 0 0; color: var(--kabur); font-size: 12px; }
.acara-peta { display: inline-flex; margin-top: 17px; padding: 9px 20px; border: 1px solid var(--aksen); border-radius: 999px; background: transparent; color: var(--warna-utama); text-decoration: none; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; transition: .3s ease; }
.acara-peta:hover { background: var(--warna-utama); color: #fff; transform: translateY(-2px); }

/* Kisah */
.garis-waktu { max-width: 400px; margin: 0 auto; }
.kisah-item { position: relative; display: flex; flex-direction: column; gap: 16px; margin: 0 0 30px; padding: 0 0 30px; border-bottom: 1px solid var(--garis); }
.kisah-item:last-child { margin-bottom: 0; }
.kisah-foto { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow); }
.kisah-teks { padding: 0 8px; }
.kisah-waktu { margin: 0 0 4px; color: var(--aksen); font-size: 10px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.kisah-judul { margin: 0 0 7px; color: var(--tinta); font-family: Georgia, serif; font-size: 23px; font-weight: 400; }
.kisah-cerita { margin: 0; color: var(--kabur); font-size: 13px; line-height: 1.8; }

/* Galeri */
.grid-galeri { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.galeri-item { position: relative; display: block; aspect-ratio: 3/4; overflow: hidden; border-radius: 17px; cursor: zoom-in; box-shadow: 0 8px 25px rgba(92,52,35,.08); }
.galeri-item:nth-child(3n) { border-radius: 45% 17px 17px 17px; }
.galeri-item img { width: 100%; height: 100%; display: block; object-fit: cover; filter: saturate(.82) sepia(.08); transition: transform .7s cubic-bezier(.2,.8,.2,1), filter .5s ease; }
.galeri-item:hover img { filter: saturate(1) sepia(0); transform: scale(1.06); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 1000; background: rgba(55,29,23,.94); display: flex; align-items: center; justify-content: center; padding: 18px; opacity: 0; backdrop-filter: blur(10px); transition: opacity .35s ease; }
.lightbox.tampak { opacity: 1; }
.lightbox[hidden] { display: none; }
.lightbox-gambar { max-width: min(94vw,720px); max-height: 88vh; object-fit: contain; border-radius: 15px; box-shadow: 0 30px 80px rgba(0,0,0,.35); transition: opacity .22s ease, transform .35s ease; }
.lightbox.tampak .lightbox-gambar { transform: scale(1); }
.lightbox-gambar.memuat { opacity: 0; transform: scale(.96); }
.lightbox-tutup, .lightbox-nav { position: absolute; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.45); background: rgba(255,255,255,.08); color: #fff; cursor: pointer; border-radius: 50%; line-height: 1; transition: .25s ease; }
.lightbox-tutup { top: 18px; right: 18px; width: 42px; height: 42px; font-size: 23px; }
.lightbox-nav { top: 50%; width: 44px; height: 44px; transform: translateY(-50%); font-size: 27px; }
.lightbox-prev { left: 10px; } .lightbox-next { right: 10px; }
.lightbox-tutup:hover, .lightbox-nav:hover { background: var(--aksen); border-color: var(--aksen); }

/* Amplop */
.daftar-amplop { display: flex; flex-direction: column; gap: 13px; max-width: 400px; margin: 0 auto; }
.kartu-amplop { display: flex; gap: 15px; align-items: center; padding: 17px; border: 1px solid var(--garis); border-radius: 20px; background: rgba(255,253,249,.84); box-shadow: 0 12px 32px rgba(92,52,35,.07); text-align: left; }
.amplop-qr { width: 78px; height: 78px; object-fit: contain; border-radius: 12px; background: #fff; border: 1px solid var(--garis); flex-shrink: 0; }
.amplop-bank { margin: 0 0 3px; color: var(--tinta); font-family: Georgia, serif; font-size: 17px; }
.amplop-nomor { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin: 0 0 3px; color: var(--tinta); font-size: 14px; font-variant-numeric: tabular-nums; }
.tombol-salin-amplop { padding: 4px 10px; border: 1px solid var(--aksen); border-radius: 999px; background: transparent; color: var(--warna-utama); font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; }
.amplop-anama, .amplop-catatan { margin: 0; color: var(--kabur); font-size: 11.5px; }

/* Form RSVP / ucapan */
.pesan-notifikasi { margin-bottom: 17px; padding: 12px 15px; border: 1px solid var(--garis); border-radius: 14px; background: #fff8ef; color: var(--tinta); font-size: 12px; text-align: left; }
.pesan-notifikasi.pesan-success { border-color: #c8d9c3; }
.pesan-notifikasi.pesan-error { border-color: #e2b6ad; }
.pesan-notifikasi.pesan-warning { border-color: #e4cf9b; }
.kotak-rsvp-terisi { margin-bottom: 20px; padding: 14px 17px; border-left: 3px solid var(--aksen); border-radius: 12px; background: rgba(255,253,249,.8); color: var(--tinta); font-size: 12px; text-align: left; }
.kotak-rsvp-terisi p { margin: 0; }
.rsvp-ubah-catatan { color: var(--kabur); font-size: 11px; }
.form-rsvp, .form-ucapan { max-width: 400px; margin: 0 auto; text-align: left; }
.bidang-rsvp { margin-bottom: 17px; }
.bidang-rsvp label { display: block; margin-bottom: 7px; color: var(--tinta); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.wajib-tanda { color: var(--aksen); }
.bidang-rsvp input[type="text"], .bidang-rsvp input[type="number"], .bidang-rsvp textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--garis); border-radius: 12px; outline: none; background: rgba(255,253,249,.84); color: var(--tinta); font: inherit; font-size: 14px; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
.bidang-rsvp input:focus, .bidang-rsvp textarea:focus { border-color: var(--aksen); box-shadow: 0 0 0 4px rgba(217,141,95,.10); transform: translateY(-1px); }
.pilihan-hadir { display: flex; flex-wrap: wrap; gap: 8px; }
.pilihan-hadir label { display: flex; align-items: center; gap: 6px; margin: 0; padding: 9px 12px; border: 1px solid var(--garis); border-radius: 999px; background: rgba(255,253,249,.8); font-size: 11px; font-weight: 600; letter-spacing: 0; text-transform: none; }
.pilihan-hadir input { margin: 0; accent-color: var(--aksen); }
.tombol-kirim { width: 100%; padding: 13px 18px; border: 0; border-radius: 999px; background: var(--warna-utama); color: #fff; font: inherit; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; cursor: pointer; box-shadow: 0 10px 25px rgba(111,45,32,.18); transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.tombol-kirim:hover { background: var(--aksen); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(111,45,32,.20); }
.daftar-ucapan { max-width: 400px; margin: 28px auto 0; display: flex; flex-direction: column; gap: 10px; }
.kartu-ucapan { padding: 15px 17px; border: 1px solid var(--garis); border-radius: 16px; background: rgba(255,253,249,.75); text-align: left; }
.ucapan-nama { margin: 0 0 4px; color: var(--tinta); font-family: Georgia, serif; font-size: 16px; }
.ucapan-isi { margin: 0; color: var(--kabur); font-size: 12.5px; line-height: 1.7; }

/* Footer */
.kaki { position: relative; padding: 60px 0 75px; border-top: 0; text-align: center; overflow: hidden; }
.kaki::before { content: '❀'; display: block; margin-bottom: 9px; color: var(--aksen); font-size: 22px; }
.kaki-nama { margin: 0 0 4px; color: var(--tinta); font-family: Georgia, serif; font-size: 28px; font-weight: 400; }
.kaki p:last-child { color: var(--kabur); font-size: 11px; }
.belum-diisi { color: var(--kabur); font-size: 13px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--aksen); outline-offset: 3px; }

/* =============================================================
   ANIMASI TRANSISI SECTION — tiap section punya karakter berbeda
   ============================================================= */
.siap-muncul { opacity: 0; will-change: transform, opacity, filter; }
.siap-muncul.tampak { opacity: 1; }
.bagian-kutipan.siap-muncul { transform: translateY(42px) scale(.97); filter: blur(4px); transition: opacity .8s ease, transform .95s cubic-bezier(.2,.8,.2,1), filter .8s ease; }
.bagian-kutipan.siap-muncul.tampak { transform: none; filter: none; }
main > .bagian:nth-child(1).siap-muncul { transform: translateX(-42px); transition: opacity .75s ease, transform .85s cubic-bezier(.2,.8,.2,1); }
main > .bagian:nth-child(1).siap-muncul.tampak { transform: none; }
main > .bagian:nth-child(2).siap-muncul { transform: translateY(48px) scale(.96); transition: opacity .8s ease, transform 1s cubic-bezier(.16,1,.3,1); }
main > .bagian:nth-child(2).siap-muncul.tampak { transform: none; }
main > .bagian:nth-child(3).siap-muncul { transform: translateX(42px); transition: opacity .75s ease, transform .9s cubic-bezier(.2,.8,.2,1); }
main > .bagian:nth-child(3).siap-muncul.tampak { transform: none; }
main > .bagian:nth-child(4).siap-muncul { transform: translateY(42px) rotate(.7deg); transition: opacity .8s ease, transform 1s cubic-bezier(.16,1,.3,1); }
main > .bagian:nth-child(4).siap-muncul.tampak { transform: none; }
main > .bagian:nth-child(5).siap-muncul { transform: translateY(36px) scale(.97); transition: opacity .8s ease, transform .9s cubic-bezier(.2,.8,.2,1); }
main > .bagian:nth-child(5).siap-muncul.tampak { transform: none; }

.siap-muncul.tampak .acara,
.siap-muncul.tampak .kisah-item,
.siap-muncul.tampak .galeri-item,
.siap-muncul.tampak .kartu-amplop,
.siap-muncul.tampak .bidang-rsvp,
.siap-muncul.tampak .kartu-ucapan { animation: child-rise .7s cubic-bezier(.2,.8,.2,1) both; }
.siap-muncul.tampak .acara:nth-child(2), .siap-muncul.tampak .kisah-item:nth-child(2), .siap-muncul.tampak .galeri-item:nth-child(2), .siap-muncul.tampak .kartu-amplop:nth-child(2) { animation-delay: .08s; }
.siap-muncul.tampak .acara:nth-child(3), .siap-muncul.tampak .kisah-item:nth-child(3), .siap-muncul.tampak .galeri-item:nth-child(3), .siap-muncul.tampak .kartu-amplop:nth-child(3) { animation-delay: .16s; }
.siap-muncul.tampak .acara:nth-child(4), .siap-muncul.tampak .kisah-item:nth-child(4), .siap-muncul.tampak .galeri-item:nth-child(4), .siap-muncul.tampak .kartu-amplop:nth-child(4) { animation-delay: .24s; }
@keyframes hero-in { from { opacity: 0; transform: translateY(24px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes child-rise { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

/* Musik */
.tombol-musik { position: fixed; right: 17px; bottom: 17px; z-index: 900; width: 48px; height: 48px; border: 1px solid var(--garis); border-radius: 50%; background: rgba(255,253,249,.94); color: var(--warna-utama); box-shadow: 0 10px 28px rgba(92,52,35,.16); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 18px; backdrop-filter: blur(8px); }
.tombol-musik.berputar { background: var(--warna-utama); border-color: var(--warna-utama); color: #fff; }
.tombol-musik.berputar .ikon-musik { animation: musik-putar 2.2s linear infinite; }
@keyframes musik-putar { from { transform: rotate(0); } to { transform: rotate(360deg); } }

/* Spam trap */
.jebakan-spam { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (min-width: 700px) {
    .sampul { padding-left: 30px; padding-right: 30px; }
    .ornamen { width: 230px; height: 260px; }
    .ornamen-kiri { left: -35px; top: -10px; }
    .ornamen-kanan { right: -35px; bottom: -10px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .siap-muncul, .siap-muncul.tampak, main > .bagian:nth-child(n).siap-muncul { opacity: 1; transform: none; filter: none; }
}