/* ============================================================
   BIRU PESISIR — kartu pos pantai modern.
   Palet: biru laut muda #2e7fb8, laut dalam #1d5f8a, biru pucat
   #a8d4ec, putih pasir #faf6ee, kertas #fffdf8, tinta #21313c,
   aksen pasir emas #d9a441 (hemat). Motif TUNGGAL: garis ombak
   vektor sederhana di kaki section. Gerak khas: garis ombak
   "bernapas" bergeser horizontal perlahan (transform saja) +
   foto terungkap tirai geser dari kiri (clip-path, arah laut).
   ============================================================ */
:root{
  --laut:#2e7fb8; --laut-dalam:#1d5f8a; --laut-pucat:#a8d4ec; --pasir:#faf6ee; --kertas:#fffdf8;
  --tinta:#21313c; --tinta-lembut:#5b7183; --tepi:#cfe6f2; --aksen:#d9a441;
  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Jost',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html.jelajah-aktif{scroll-behavior:auto}
body{margin:0;background:#dff0fa;color:var(--tinta);font-family:var(--sans);font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased}
body.terkunci{overflow:hidden}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--laut-dalam);outline-offset:3px}
h1,h2,h3{font-family:var(--serif);font-weight:500;margin:0}
button{font-family:var(--sans)}

/* Kolom konten terpusat ±480px seperti kartu pos di atas meja biru pucat */
main{max-width:480px;margin:0 auto;background:var(--kertas);box-shadow:0 0 44px rgba(29,95,138,.25);padding-bottom:5.5rem}
.bagian{position:relative;padding:3.2rem 1.4rem 3rem;overflow:hidden;text-align:center}
.bagian::before{content:"";position:absolute;top:0;left:12%;right:12%;height:2px;border-radius:2px;background:var(--laut-pucat);opacity:.7;transform:scaleX(0);transform-origin:center;transition:transform 1s ease}
section.ombak-aktif.bagian::before{transform:scaleX(1)}
#mempelai{background:linear-gradient(180deg,#eef7fc,var(--kertas))}
#hitungMundur{background:#e3f1f9}
#galeri{background:#f2f9fd}
#rsvp{background:#eef7fc}
.label-bagian{letter-spacing:.42em;text-transform:uppercase;font-size:.68rem;color:var(--laut-dalam);margin:0 0 .8rem;font-weight:500}
.label-bagian.kecil{font-size:.62rem;margin-top:1.1rem}
.judul-bagian{font-size:2rem;line-height:1.2;margin-bottom:1.4rem;letter-spacing:.02em;color:var(--laut-dalam)}
.teks-isi{color:#3c5468;max-width:34rem;margin-left:auto;margin-right:auto}
.garis{border:none;border-top:1px solid var(--tepi);width:64px;margin:1.1em auto}

/* Segel monogram — lencana bundar putih bergaris laut */
.segel{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border:2px solid var(--laut);border-radius:50%;outline:1px solid var(--tepi);outline-offset:4px;font-family:var(--serif);font-size:1.25rem;color:var(--laut-dalam);background:#fff;box-shadow:0 4px 14px rgba(46,127,184,.18)}

/* Bingkai kartu pos: mat putih lebar + sudut membulat + bayangan lembut */
.bingkai{margin:0 auto;background:#fff;padding:10px;border:1px solid var(--tepi);border-radius:16px;box-shadow:0 12px 28px rgba(29,95,138,.16)}
.bingkai img{width:100%;height:auto;object-fit:cover;border-radius:9px}
.sampul-foto{max-width:15.5em;padding:.6em}
.sampul-foto img{aspect-ratio:4/5;object-position:center 32%}
.kartu-mempelai .bingkai{max-width:290px}
.kartu-mempelai .bingkai img{aspect-ratio:3/4}
.bingkai.bersama{max-width:380px}
.bingkai.bersama img{aspect-ratio:3/2}
.bingkai.penutup-foto{max-width:300px}
.bingkai.penutup-foto img{aspect-ratio:2/3}

/* ---------- GARIS OMBAK: napas horizontal perlahan (transform saja) ---------- */
.gelombang{position:absolute;left:0;right:0;bottom:-1px;height:26px;overflow:hidden;pointer-events:none}
.gelombang svg{width:200%;height:100%;display:block;animation:geserOmbak 12s linear infinite}
@keyframes geserOmbak{from{transform:translateX(0)}to{transform:translateX(-25%)}}
.ombak-sampul{width:7.5em;height:.75em;margin:.5em auto 0;display:block;animation:napasOmbak 5s ease-in-out infinite alternate}
@keyframes napasOmbak{from{transform:translateX(-4px)}to{transform:translateX(4px)}}

/* ---------- Preloader ---------- */
#preloader{display:none}
html.js #preloader{position:fixed;inset:0;z-index:90;background:var(--pasir);display:flex;align-items:center;justify-content:center;text-align:center}
html.pre-selesai #preloader{opacity:0;pointer-events:none;transition:opacity .35s ease}
.pre-dalam{padding:2rem 1.5rem;max-width:24rem}
.pre-nama{font-family:var(--serif);font-size:1.5rem;margin:1rem 0 1.4rem;color:var(--laut-dalam)}
.pre-jalur{width:190px;height:3px;border-radius:3px;background:var(--tepi);margin:0 auto}
#preIsi{display:block;height:100%;width:0;background:var(--laut);border-radius:3px;transition:width .3s ease}
.pre-status{font-size:.82rem;color:var(--tinta-lembut);margin:1rem 0 0}

/* ---------- Sampul: kartu pos cerah, tepat 1 layar penuh ---------- */
#sampul{position:relative;height:100dvh;max-height:100dvh;overflow:hidden;background:linear-gradient(180deg,#e8f5fc 0%,var(--pasir) 78%);display:flex;align-items:center;justify-content:center;text-align:center}
html.js #sampul{position:fixed;inset:0;z-index:60}
html.js body.terkunci #sampul{position:fixed}
/* Sapuan kilau cahaya air pada monogram saat dibuka (sekali jalan). */
#sampul .segel{position:relative;overflow:hidden}
#sampul.terbuka .segel::after{content:"";position:absolute;top:-20%;bottom:-20%;left:0;width:40%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(168,212,236,.65),transparent);
  animation:kilauAir 1.15s ease-out 1 forwards}
@keyframes kilauAir{0%{transform:translateX(-180%) skewX(-12deg)}100%{transform:translateX(380%) skewX(-12deg)}}
/* Ukuran internal sampul dalam em agar pasSatuLayarSampul() proporsional. */
.isi-sampul{position:relative;z-index:4;padding:1.4em 1.2em;max-width:27em;font-size:16px;width:100%}
.isi-sampul .segel{width:3.4em;height:3.4em;font-size:1.05em}
.label-atas{letter-spacing:.42em;text-transform:uppercase;font-size:.68em;color:var(--laut-dalam);margin:.9em 0 .8em;font-weight:500}
.nama-sampul{font-size:1.72em;line-height:1.16;margin-top:.7em;color:var(--tinta)}
.nama-sampul .dan{color:var(--laut);font-style:italic;font-size:.62em}
.tanggal-sampul{letter-spacing:.14em;color:var(--tinta-lembut);margin:.6em 0 0;text-transform:uppercase;font-size:.8em}
.hormat{color:var(--tinta-lembut);font-size:.86em;margin:0}
.nama-tamu{font-family:var(--serif);font-size:1.35em;margin:.2em 0 .9em;overflow-wrap:anywhere;color:var(--laut-dalam)}
.tombol-buka{background:var(--laut);color:#fff;border:1px solid var(--laut);border-radius:999px;padding:.9em 2.2em;letter-spacing:.16em;text-transform:uppercase;font-size:.82em;font-weight:500;cursor:pointer;min-height:50px;box-shadow:0 8px 20px rgba(46,127,184,.35)}
.tombol-buka:hover{background:var(--laut-dalam);border-color:var(--laut-dalam)}
.tombol-buka:disabled{opacity:.55;cursor:wait}

/* ---------- Pembuka ---------- */
.salam{font-family:var(--serif);font-size:1.3rem;font-style:italic;color:var(--laut-dalam)}
.ayat{margin:1.4rem auto;max-width:32rem;border-top:1px solid var(--tepi);border-bottom:1px solid var(--tepi);padding:1.2rem .6rem}
.ayat p{font-family:var(--serif);font-size:1.18rem;font-style:italic;margin:0}
.ayat cite{display:block;margin-top:.7rem;font-style:normal;letter-spacing:.22em;text-transform:uppercase;font-size:.7rem;color:var(--laut-dalam);font-family:var(--sans)}

/* ---------- Mempelai ---------- */
.kartu-mempelai{padding:1.2rem 0 .4rem}
.nama-mempelai{font-size:1.8rem;margin:.1rem 0;color:var(--tinta)}
.orangtua{color:var(--tinta-lembut);font-size:.92rem;margin:.3rem 0 .7rem}
.dan-besar{font-family:var(--serif);font-style:italic;color:var(--laut);font-size:2rem;margin:.4rem 0 0}
.tautan-ig{display:inline-flex;align-items:center;min-height:44px;padding:.45rem 1.1rem;border:1px solid var(--laut);border-radius:999px;color:var(--laut-dalam);text-decoration:none;font-size:.85rem;letter-spacing:.08em}
.tautan-ig:hover{background:var(--laut);color:#fff}

/* ---------- Hitung mundur ---------- */
.hitung{display:flex;gap:.55rem;justify-content:center;margin:1.5rem 0 .8rem;flex-wrap:wrap}
.kotak-waktu{background:#fff;border:1px solid var(--tepi);border-radius:12px;min-width:64px;padding:.7rem .4rem;box-shadow:0 4px 12px rgba(29,95,138,.10)}
.kotak-waktu .angka{display:block;font-family:var(--serif);font-size:1.7rem;line-height:1.1;color:var(--laut-dalam)}
.kotak-waktu .label{letter-spacing:.24em;text-transform:uppercase;font-size:.62rem;color:var(--laut)}
.label-hitung{color:var(--tinta-lembut);font-size:.9rem}
.tombol-utama{display:inline-block;background:var(--laut);color:#fff;border:1px solid var(--laut);border-radius:999px;padding:.8rem 1.8rem;letter-spacing:.12em;text-transform:uppercase;font-size:.85rem;font-weight:500;cursor:pointer;min-height:50px;text-decoration:none;box-shadow:0 8px 20px rgba(46,127,184,.28)}
.tombol-utama:hover{background:var(--laut-dalam);border-color:var(--laut-dalam)}
.tombol-utama.penuh{width:100%}
.pesan-kalender{min-height:1.2em;color:var(--laut-dalam);font-size:.88rem}

/* ---------- Acara ---------- */
.kartu-acara{background:#fff;border:1px solid var(--tepi);border-radius:16px;padding:1.6rem 1.2rem;margin:0 auto 1.3rem;max-width:26rem;box-shadow:0 10px 24px rgba(29,95,138,.12)}
.kartu-acara h3{font-size:1.6rem;color:var(--laut-dalam)}
.kartu-acara .tanggal-besar{font-family:var(--serif);font-size:1.15rem;margin:.4rem 0;letter-spacing:.14em;text-transform:uppercase;color:var(--tinta)}
.kartu-acara p{margin:.25rem 0;color:#3c5468}
.kartu-acara .tempat{font-weight:500}
.tombol-peta{display:inline-flex;align-items:center;min-height:44px;margin-top:.8rem;padding:.5rem 1.3rem;border:1px solid var(--laut);border-radius:999px;color:var(--laut-dalam);text-decoration:none;font-size:.85rem;letter-spacing:.08em}
.tombol-peta:hover{background:var(--laut);color:#fff}

/* ---------- Galeri: kisi 2 kolom searah baris ---------- */
.kisi-galeri{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;max-width:26rem;margin:1.2rem auto 0}
.kisi-galeri figure{margin:0;background:#fff;padding:7px;border:1px solid var(--tepi);border-radius:12px}
.kisi-galeri button{padding:0;border:none;background:none;cursor:pointer;width:100%;display:block;min-height:44px}
.kisi-galeri img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:7px}
.kisi-galeri figcaption{font-size:.7rem;color:var(--tinta-lembut);padding:.35rem .1rem .15rem;letter-spacing:.04em}

/* ---------- Amplop ---------- */
.kartu-amplop{background:#fff;border:1px solid var(--tepi);border-radius:16px;padding:1.4rem 1.2rem;margin:0 auto 1.2rem;max-width:26rem;box-shadow:0 8px 20px rgba(29,95,138,.10)}
.kartu-amplop .bank{letter-spacing:.3em;text-transform:uppercase;font-size:.72rem;color:var(--laut-dalam);margin:0;font-weight:500}
.kartu-amplop .nomor{font-family:var(--serif);font-size:1.5rem;margin:.4rem 0 .1rem;overflow-wrap:anywhere}
.kartu-amplop .atas-nama{color:var(--tinta-lembut);font-size:.88rem;margin:0 0 .8rem}
.tombol-salin{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.55rem 1.5rem;background:none;border:1px solid var(--laut);border-radius:999px;color:var(--laut-dalam);font-size:.85rem;letter-spacing:.08em;cursor:pointer}
.tombol-salin:hover{background:var(--laut);color:#fff}
.pesan-salin{min-height:1.2em;color:var(--laut-dalam);font-size:.86rem;margin:.5rem 0 0}

/* ---------- RSVP ---------- */
.label-demo{background:#fbf3df;border:1px dashed var(--aksen);border-radius:12px;color:#7a5c14;padding:.65rem .8rem;font-size:.85rem;max-width:26rem;margin-inline:auto}
form{margin:1.3rem auto 0;max-width:26rem;text-align:left}
form label{display:block;margin-bottom:.95rem;font-size:.9rem;color:var(--tinta-lembut)}
form input,form select,form textarea{width:100%;margin-top:.35rem;background:#fff;border:1px solid var(--tepi);color:var(--tinta);padding:.7rem .8rem;font-family:var(--sans);font-size:1rem;min-height:48px;border-radius:10px}
form textarea{min-height:auto}
.pesan-form{min-height:1.2em;color:#7a5c14;font-size:.9rem}
#daftarUcapan{max-width:26rem;margin:1.6rem auto 0;text-align:left}
.ucapan-item{border-left:2px solid var(--laut);padding:.3rem 0 .3rem 1rem;margin-bottom:1.1rem}
.ucapan-item strong{font-family:var(--serif);font-size:1.1rem;color:var(--laut-dalam)}
.ucapan-item .meta{font-size:.72rem;color:var(--tinta-lembut);letter-spacing:.08em;text-transform:uppercase}
.ucapan-item p{margin:.25rem 0 0;color:#3c5468;font-size:.93rem;overflow-wrap:anywhere}
.ucapan-kosong{color:var(--tinta-lembut);font-size:.9rem;text-align:center}

/* ---------- Penutup ---------- */
.penutup{border-bottom:none}
.tanda-tangan{font-family:var(--serif);font-size:2rem;color:var(--laut-dalam);margin:.4rem 0}
.kredit-musik{font-size:.78rem;color:var(--tinta-lembut);max-width:24rem;margin:1rem auto 0}
.catatan-demo{font-size:.74rem;color:var(--tinta-lembut);max-width:24rem;margin:1.4rem auto 0}

/* ---------- Lightbox ---------- */
#lightbox{position:fixed;inset:0;z-index:80;background:rgba(19,42,58,.96);display:flex;align-items:center;justify-content:center;gap:.4rem;padding:1rem}
#lightbox[hidden]{display:none}
#lightbox .lb-isi{margin:0;text-align:center;max-width:82vw}
#lbGambar{max-width:82vw;max-height:76vh;border:8px solid #fff;border-radius:6px;margin:0 auto}
#lbKeterangan{color:#eaf4fb;font-size:.86rem;padding-top:.7rem}
@media (max-width:480px){
  #lightbox .lb-isi{max-width:62vw}
  #lbGambar{max-width:62vw}
  .lb-tombol{padding:.6rem .55rem;font-size:.8rem}
}
.lb-tombol{min-height:44px;min-width:44px;padding:.6rem .9rem;background:none;border:1px solid var(--laut-pucat);border-radius:999px;color:#eaf4fb;cursor:pointer;font-size:.88rem}
.lb-tutup{position:absolute;top:calc(.8rem + env(safe-area-inset-top));right:1rem}

/* ---------- Kontrol apung ---------- */
body.dibuka{padding-bottom:84px}
#bilahKontrol{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(12px + env(safe-area-inset-bottom));z-index:70;display:flex;gap:8px;padding:8px;background:rgba(255,253,248,.96);border:1px solid var(--laut-pucat);border-radius:999px;box-shadow:0 6px 24px rgba(29,95,138,.25)}
#bilahKontrol[hidden]{display:none}
#bilahKontrol button{min-height:44px;padding:0 16px;background:transparent;color:var(--tinta);border:1px solid var(--tepi);border-radius:999px;font-size:.92rem;letter-spacing:.04em;cursor:pointer;white-space:nowrap}
#bilahKontrol button[disabled]{opacity:.55;cursor:default}

/* ---------- Ungkap: teks naik lembut; foto GESER dari kiri (arah laut).
   Foto digeser dengan transform pada IMG (bukan clip-path pada figure):
   clip-path yang menutup penuh membuat Chromium menahan lazy-load foto
   yang belum terungkap (terbukti eksperimen terkontrol) — foto bisa
   tidak pernah tiba. Dengan transform, geometri muat tetap terlihat
   oleh lazy-load dan tirai tetap berjenis geser. HANYA disembunyikan
   bila html.js ---------- */
html.js .ungkap{opacity:0;transform:translateY(10px)}
html.js .ungkap.terlihat{opacity:1;transform:translateY(0);transition:transform var(--durasi-ungkap,.85s) cubic-bezier(.22,.61,.21,1),opacity var(--durasi-ungkap,.85s) ease}
html.js .ungkap-foto{overflow:hidden}
html.js .ungkap-foto img{transform:translateX(-106%)}
html.js .ungkap-foto.terlihat img{transform:translateX(0);transition:transform var(--durasi-ungkap,.85s) cubic-bezier(.22,.61,.21,1)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  html.js .ungkap{opacity:1;transform:none}
  html.js .ungkap-foto img{transform:none}
  .gelombang svg{animation:none}
  .ombak-sampul{animation:none}
  #sampul.terbuka .segel::after{animation:none}
  .bagian::before{transform:scaleX(1)}
}