/* ============================================================
   Sinergi Korporat — Undangan Digital Corporate Premium
   bukuundangan.com | dibuat 4 Okt 2026 (tema17)
   Palet: navy #0B1F3A / gold #C9A15A / ivory #F7F4ED
   ============================================================ */
:root{
  --navy:#0b1f3a; --navy2:#12315b; --navy3:#1a3d6e;
  --gold:#c9a15a; --gold2:#dcb975; --goldsoft:#f1e6cf;
  --ivory:#f7f4ed; --card:#ffffff; --ink:#1f2a38; --muted:#7c8794;
  --line:#e8e0d1; --shadow:0 14px 40px rgba(11,31,58,.10);
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Poppins',sans-serif;background:var(--ivory);color:var(--ink);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body.lock{overflow:hidden}
body.opened{padding-bottom:86px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,.serif{font-family:'Playfair Display',serif;font-weight:600;line-height:1.22}
.container{max-width:740px;margin:0 auto;padding:0 22px}

/* ---------- Cover ---------- */
#cover{position:fixed;inset:0;z-index:120;background:radial-gradient(120% 90% at 50% 0%,#16345f 0%,var(--navy) 52%,#081527 100%);display:flex;align-items:center;justify-content:center;transition:opacity .9s ease,visibility .9s;color:#fff}
#cover::before{content:"";position:absolute;inset:16px;border:1px solid rgba(201,161,90,.55);border-radius:6px;pointer-events:none}
#cover::after{content:"";position:absolute;inset:22px;border:1px solid rgba(201,161,90,.25);border-radius:4px;pointer-events:none}
#cover.hide{opacity:0;visibility:hidden}
.cover-in{position:relative;z-index:2;text-align:center;padding:60px 30px;max-width:520px}
.cover-orn{width:58px;height:58px;margin:0 auto 26px;border:1px solid var(--gold);transform:rotate(45deg);display:flex;align-items:center;justify-content:center}
.cover-orn span{transform:rotate(-45deg);font-family:'Playfair Display',serif;font-size:22px;color:var(--gold2);letter-spacing:1px}
.cover-label{font-size:11.5px;letter-spacing:5px;text-transform:uppercase;color:var(--gold2);display:flex;align-items:center;gap:14px;justify-content:center;margin-bottom:22px}
.cover-label::before,.cover-label::after{content:"";height:1px;width:44px;background:linear-gradient(90deg,transparent,var(--gold));}
.cover-label::after{background:linear-gradient(90deg,var(--gold),transparent)}
.cover-company{font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;color:rgba(255,255,255,.72);margin-bottom:16px}
.cover-title{font-size:clamp(30px,7.4vw,44px);color:#fff}
.cover-title em{display:block;font-style:normal;font-size:.52em;color:var(--gold2);letter-spacing:3px;margin-top:10px;text-transform:uppercase}
.cover-dash{width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:26px auto}
.cover-date{font-size:14px;letter-spacing:2px;color:rgba(255,255,255,.85)}
.cover-to{margin-top:34px;font-size:13px;color:rgba(255,255,255,.66)}
.cover-to b{display:block;font-family:'Playfair Display',serif;font-weight:600;font-size:20px;color:#fff;margin-top:7px}
.btn-open{margin-top:36px;display:inline-flex;align-items:center;gap:11px;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#241a05;font-weight:600;font-size:14.5px;letter-spacing:.6px;padding:15px 34px;border-radius:999px;box-shadow:0 14px 34px rgba(201,161,90,.35);transition:transform .25s,box-shadow .25s}
.btn-open:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(201,161,90,.45)}
.btn-open svg{width:18px;height:18px}
.cover-note{margin-top:18px;font-size:11.5px;color:rgba(255,255,255,.45);letter-spacing:.4px}

/* ---------- Section umum ---------- */
.sec{padding:74px 0 8px}
.sec.alt{background:linear-gradient(180deg,#fff 0%,#fdfbf6 100%)}
.sec-head{text-align:center;margin-bottom:38px}
.sec-label{font-size:11px;letter-spacing:4.4px;text-transform:uppercase;color:var(--gold);font-weight:600}
.sec-title{font-size:clamp(24px,5.6vw,32px);margin-top:12px;color:var(--navy)}
.sec-line{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:18px}
.sec-line::before,.sec-line::after{content:"";height:1px;width:56px;background:linear-gradient(90deg,transparent,var(--gold))}
.sec-line::after{background:linear-gradient(90deg,var(--gold),transparent)}
.sec-line i{width:7px;height:7px;background:var(--gold);transform:rotate(45deg);display:block}

/* ---------- Salam ---------- */
.salam-card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:38px 30px;text-align:center;border-top:3px solid var(--gold);position:relative;overflow:hidden}
.salam-card::after{content:"“";position:absolute;top:-18px;right:22px;font-family:'Playfair Display',serif;font-size:150px;color:var(--goldsoft);line-height:1;pointer-events:none}
.salam-card p{font-size:14.5px;line-height:1.95;color:#4a5561}
.salam-card p+p{margin-top:12px}
.salam-card .salam-ttd{margin-top:26px;font-size:13px;color:var(--muted)}
.salam-card .salam-ttd b{display:block;font-family:'Playfair Display',serif;font-size:19px;color:var(--navy);margin-top:6px}

/* ---------- Detail acara ---------- */
.ev-card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.ev-hero{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;padding:30px 26px;text-align:center}
.ev-hero .ev-kicker{font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--gold2)}
.ev-hero h3{font-size:clamp(21px,5vw,26px);margin-top:10px}
.ev-hero p{margin-top:8px;font-size:13px;color:rgba(255,255,255,.75)}
.ev-body{padding:28px 26px 30px;text-align:center}
.ev-date{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:18px}
.ev-date .ev-m{display:flex;flex-direction:column;align-items:center;background:var(--navy);color:#fff;border-radius:14px;padding:10px 20px;min-width:86px}
.ev-date .ev-m b{font-family:'Playfair Display',serif;font-size:34px;line-height:1;color:var(--gold2)}
.ev-date .ev-m span{font-size:11px;letter-spacing:2.6px;text-transform:uppercase;margin-top:6px}
.ev-date .ev-d{text-align:left}
.ev-date .ev-d b{display:block;font-size:16.5px;color:var(--navy)}
.ev-date .ev-d span{font-size:13px;color:var(--muted)}
.ev-meta{display:grid;gap:12px;margin:20px 0 24px}
.ev-meta-row{display:flex;gap:13px;align-items:flex-start;text-align:left;background:#faf7f0;border:1px solid var(--line);border-radius:13px;padding:14px 16px}
.ev-meta-row svg{width:19px;height:19px;flex:0 0 19px;margin-top:2px;stroke:var(--gold)}
.ev-meta-row b{display:block;font-size:13.5px;color:var(--navy)}
.ev-meta-row span{font-size:12.5px;color:var(--muted);line-height:1.6}
.btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:500;padding:13px 24px;border-radius:999px;transition:transform .22s,box-shadow .22s,background .22s}
.btn svg{width:17px;height:17px}
.btn-gold{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#241a05;box-shadow:0 10px 26px rgba(201,161,90,.32)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-line{border:1.5px solid var(--navy);color:var(--navy);background:transparent}
.btn-line:hover{background:var(--navy);color:#fff}

/* ---------- Countdown ---------- */
.cd{background:linear-gradient(135deg,var(--navy2),var(--navy));border-radius:var(--r);padding:34px 22px 30px;text-align:center;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cd::before{content:"";position:absolute;inset:10px;border:1px solid rgba(201,161,90,.28);border-radius:12px;pointer-events:none}
.cd-label{font-size:11px;letter-spacing:4.2px;text-transform:uppercase;color:var(--gold2)}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px;max-width:430px;margin-left:auto;margin-right:auto;position:relative}
.cd-box{background:rgba(255,255,255,.06);border:1px solid rgba(201,161,90,.35);border-radius:13px;padding:14px 4px 11px}
.cd-box b{font-family:'Playfair Display',serif;font-size:clamp(24px,6.5vw,34px);color:var(--gold2);font-weight:600;line-height:1;display:block}
.cd-box span{display:block;font-size:10px;letter-spacing:1.8px;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:8px}
.cd-note{margin-top:18px;font-size:12px;color:rgba(255,255,255,.55);position:relative}

/* ---------- Rundown ---------- */
.tl{position:relative;max-width:560px;margin:0 auto}
.tl::before{content:"";position:absolute;left:70px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,transparent,var(--gold),transparent)}
.tl-item{display:grid;grid-template-columns:70px 1fr;gap:26px;padding:15px 0;position:relative}
.tl-item::before{content:"";position:absolute;left:65px;top:26px;width:11px;height:11px;background:var(--ivory);border:2.5px solid var(--gold);transform:rotate(45deg)}
.tl-time{text-align:right;font-family:'Playfair Display',serif;font-size:19px;color:var(--navy);padding-top:14px;font-weight:600}
.tl-bx{background:var(--card);border-radius:15px;box-shadow:0 8px 26px rgba(11,31,58,.07);padding:18px 20px;border-left:3px solid var(--goldsoft)}
.tl-bx b{font-size:15px;color:var(--navy);display:block}
.tl-bx p{font-size:12.8px;color:var(--muted);line-height:1.75;margin-top:7px}

/* ---------- Galeri ---------- */
.gal{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gal a{display:block;border-radius:14px;overflow:hidden;position:relative;box-shadow:0 10px 30px rgba(11,31,58,.12)}
.gal a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,31,58,.45));opacity:0;transition:.3s}
.gal a:hover::after{opacity:1}
.gal img{width:100%;height:190px;object-fit:cover;transition:transform .6s ease}
.gal a:hover img{transform:scale(1.06)}
.gal a.wide{grid-column:span 2}
.gal a.wide img{height:235px}
.lb{position:fixed;inset:0;z-index:200;background:rgba(8,15,28,.92);display:none;align-items:center;justify-content:center;padding:26px}
.lb.show{display:flex}
.lb img{max-width:94vw;max-height:82vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb-close{position:absolute;top:18px;right:22px;color:#fff;font-size:30px;line-height:1;opacity:.85}
.lb-close:hover{opacity:1}

/* ---------- RSVP ---------- */
.rsvp-card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:34px 26px;border-top:3px solid var(--gold)}
.f-row{margin-bottom:16px;text-align:left}
.f-row label{display:block;font-size:12.5px;font-weight:500;color:var(--navy);margin-bottom:7px}
.f-row input[type=text],.f-row textarea,.f-row select{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:13.5px;color:var(--ink);background:#fdfcf9;transition:border .2s,box-shadow .2s}
.f-row input:focus,.f-row textarea:focus,.f-row select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,161,90,.14)}
.f-row textarea{resize:vertical;min-height:84px}
.pill-row{display:flex;gap:9px;flex-wrap:wrap}
.pill-row input{display:none}
.pill-row label{margin:0;padding:10px 16px;border:1.5px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted);cursor:pointer;transition:.2s;background:#fff;display:flex;align-items:center;gap:7px}
.pill-row input:checked+label{border-color:var(--gold);background:linear-gradient(135deg,#fdf6e7,#f9edd4);color:#8a6d2f;font-weight:600}
.pill-row label svg{width:15px;height:15px}
.rsvp-note{font-size:12px;color:var(--muted);line-height:1.7;text-align:center;margin-bottom:22px}
.rsvp-ok{display:none;text-align:center;padding:18px 6px 6px}
.rsvp-ok.show{display:block}
.rsvp-ok svg{width:52px;height:52px;margin:0 auto 14px;stroke:#6fae7e}
.rsvp-ok b{font-family:'Playfair Display',serif;font-size:20px;color:var(--navy)}
.rsvp-ok p{font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- Info peserta ---------- */
.info-grid{display:grid;gap:14px}
.info-card{background:var(--card);border-radius:15px;box-shadow:0 8px 26px rgba(11,31,58,.07);padding:22px 22px;display:flex;gap:15px;align-items:flex-start;border-left:3px solid var(--gold)}
.info-card svg{width:24px;height:24px;flex:0 0 24px;stroke:var(--gold);margin-top:2px}
.info-card b{display:block;font-size:14.5px;color:var(--navy);margin-bottom:6px}
.info-card p{font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- Ucapan ---------- */
.uc-list{display:grid;gap:12px;margin-bottom:26px;max-height:420px;overflow-y:auto;padding-right:4px}
.uc-item{background:var(--card);border-radius:14px;box-shadow:0 6px 22px rgba(11,31,58,.06);padding:16px 18px;border-left:3px solid var(--goldsoft)}
.uc-item b{font-size:13.5px;color:#8a6d2f}
.uc-item p{font-size:13px;color:#4a5561;line-height:1.7;margin-top:6px}
.uc-item span{display:block;font-size:11px;color:#a8b0ba;margin-top:8px}

/* ---------- Closing & footer ---------- */
.closing{margin-top:74px;background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;text-align:center;padding:64px 22px 58px;position:relative;overflow:hidden}
.closing::before{content:"";position:absolute;inset:14px;border:1px solid rgba(201,161,90,.3);border-radius:10px;pointer-events:none}
.closing .cover-orn{margin-bottom:22px}
.closing p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.82);max-width:460px;margin:0 auto}
.closing b{display:block;font-family:'Playfair Display',serif;font-size:21px;color:#fff;margin-top:22px}
.closing small{display:block;color:var(--gold2);font-size:12px;letter-spacing:2.4px;text-transform:uppercase;margin-top:6px}
.footer{padding:26px 20px 30px;text-align:center;font-size:11.5px;color:#9aa3ad;background:#fdfbf6}
.footer a{color:var(--gold);font-weight:500}

/* ---------- Bottom nav ---------- */
.bnav{position:fixed;left:0;right:0;bottom:0;z-index:110;background:rgba(11,31,58,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(201,161,90,.35);display:flex;justify-content:space-around;padding:9px 6px calc(9px + env(safe-area-inset-bottom))}
.bnav a{color:rgba(255,255,255,.62);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;letter-spacing:.6px;padding:4px 10px;border-radius:10px;transition:color .2s,transform .2s}
.bnav a svg{width:21px;height:21px}
.bnav a.on,.bnav a:hover{color:var(--gold2);transform:translateY(-1px)}

/* ---------- Reveal ---------- */
.sr{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.sr.in{opacity:1;transform:none}
.sr.d1{transition-delay:.12s}.sr.d2{transition-delay:.24s}.sr.d3{transition-delay:.36s}

/* ---------- Desktop ---------- */
@media (min-width:720px){
  .gal{grid-template-columns:repeat(3,1fr)}
  .gal a.wide{grid-column:span 2}
  .gal img,.gal a.wide img{height:205px}
  .info-grid{grid-template-columns:1fr 1fr}
  .sec{padding:88px 0 10px}
}
@media (prefers-reduced-motion:reduce){
  .sr{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}