/* =========================================================
   IBGUINRF — Ikatan Bujang Gadis UIN Raden Fatah Palembang
   Design tokens
   Warna diambil dari identitas lambang: biru tua, biru cerah,
   dengan aksen emas untuk nuansa pemilihan/penobatan.
   Tipografi: Fraunces (display, berkarakter seremonial) +
   Inter (teks, netral & mudah dibaca di layar kecil).
   ========================================================= */

:root{
  --navbar-h: 68px; /* fallback statis; nilai sebenarnya di-set oleh JS (main.js) agar selalu akurat */
  --navy-900: #0B1E43;
  --navy-800: #12295C;
  --blue-700: #1D4E96;
  --blue-600: #2563AC;
  --blue-400: #5FA0D6;
  --blue-100: #E5F0FB;
  --sky-50:   #F5F9FD;
  --gold-500: #BE9A3B;
  --gold-100: #F4E9CB;
  --ink-900:  #131B2E;
  --ink-600:  #4C5772;
  --ink-400:  #8792A8;
  --paper:    #FBFCFE;
  --white:    #FFFFFF;
  --line:     #DEE6F0;
  --ok-600:   #1F8A5A;
  --ok-100:   #E4F6ED;
  --bad-600:  #C23B3B;
  --bad-100:  #FBEAEA;
  --warn-600: #B07A17;
  --warn-100: #FBF1DC;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 26px;
  --shadow-card: 0 10px 30px -14px rgba(11,30,67,.22);
  --shadow-pop:  0 20px 50px -18px rgba(11,30,67,.35);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--navy-900);
  margin: 0 0 .5em;
  line-height: 1.15;
  font-weight: 600;
}
p{ margin: 0 0 1em; color: var(--ink-600); }
.container{
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}
:focus-visible{ outline: 3px solid var(--gold-500); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .96rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--blue-700); color:#fff; box-shadow: 0 10px 24px -10px rgba(29,78,150,.55); }
.btn-primary:hover{ background: var(--navy-800); }
.btn-gold{ background: var(--gold-500); color: #241a04; box-shadow: 0 10px 24px -10px rgba(190,154,59,.55); }
.btn-gold:hover{ background:#a9862f; }
.btn-outline{ background: transparent; border-color: rgba(255,255,255,.55); color:#fff; }
.btn-outline:hover{ background: rgba(255,255,255,.12); }
.btn-outline-navy{ background: transparent; border-color: var(--blue-700); color: var(--blue-700); }
.btn-outline-navy:hover{ background: var(--blue-100); }
.btn-block{ width:100%; }
.btn-sm{ padding: 8px 16px; font-size:.85rem; }
.btn:disabled{ opacity:.5; cursor:not-allowed; }

/* ---------- Navbar ---------- */
.navbar{
  position: sticky; top:0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  /* CATATAN: sengaja TIDAK memakai backdrop-filter/filter/transform di sini.
     Properti tsb membuat elemen ini jadi "containing block" bagi anak yang
     position:fixed (menu mobile .nav-links) — akibatnya menu mobile akan
     terkurung di dalam tinggi navbar, bukan menutupi seluruh layar. */
}
.navbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 20px;
  max-width: 1140px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height: 42px; width:auto; }
.brand-text{ font-family: var(--font-display); font-weight:600; line-height:1.1; color: var(--navy-900); font-size: 1rem; }
.brand-text span{ display:block; font-family: var(--font-body); font-weight: 500; font-size:.68rem; letter-spacing:.03em; color: var(--blue-600); }

.nav-links{ display:flex; align-items:center; gap: 28px; }
.nav-links a{ font-size:.93rem; font-weight:500; color: var(--ink-600); position:relative; padding: 6px 0; }
.nav-links a:hover, .nav-links a.active{ color: var(--blue-700); }
.nav-links a.active::after{
  content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--gold-500);
}
/* .nav-links a di atas punya spesifisitas lebih tinggi dari .btn-primary untuk properti
   warna, jadi tombol "Daftar Sekarang" (yang berada di dalam .nav-links) perlu ditimpa
   ulang di sini supaya teksnya tetap putih, termasuk saat hover/aktif. */
.nav-links .btn-primary,
.nav-links .btn-primary:hover,
.nav-links .btn-primary:active{ color:#fff; }
.nav-cta{ display:flex; gap:10px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:24px; height:2px; background: var(--navy-900); margin:5px 0; border-radius:2px; }

@media (max-width: 900px){
  .nav-links{
    position:fixed; inset: var(--navbar-h, 68px) 0 0 0; background: var(--white);
    flex-direction:column; align-items:flex-start; gap:0; padding: 10px 24px 24px;
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .18s ease, transform .18s ease;
    overflow-y:auto; border-top:1px solid var(--line);
  }
  .nav-links.open{ opacity:1; transform: translateY(0); pointer-events:auto; }
  .nav-links a{ padding: 14px 0; width:100%; border-bottom:1px solid var(--line); }
  .nav-cta{ display:flex; flex-direction:column; width:100%; margin-top: 14px; }
  .nav-toggle{ display:block; }
  .brand-text{ font-size:.88rem; }
}

@media (max-width: 380px){
  .brand img{ height: 34px; }
  .brand-text{ font-size:.8rem; }
  .brand-text span{ font-size:.62rem; }
  .navbar-inner{ padding: 10px 14px; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(9,24,58,.90) 0%, rgba(8,21,55,.88) 55%, rgba(6,15,42,.94) 100%),
    url('../img/hero-bujang-gadis.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  color: #fff;
  padding: 78px 0 110px;
}
.hero-kite{
  position:absolute; z-index:0; pointer-events:none;
  right: -6%; top: 50%; transform: translateY(-50%);
  width: 620px; max-width: 60vw; opacity:.9;
}
.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items:center;
}
.eyebrow-gold{
  display:inline-flex; align-items:center; gap:8px;
  color: var(--gold-100); background: rgba(190,154,59,.18);
  border: 1px solid rgba(190,154,59,.45);
  padding: 6px 14px; border-radius: 999px; font-size:.8rem; font-weight:600; margin-bottom: 20px;
}
.hero h1{
  color:#fff; font-size: clamp(2.1rem, 4.4vw, 3.3rem); max-width: 14ch;
}
.hero h1 em{ font-style: italic; color: var(--gold-100); }
.hero p.lead{
  color: rgba(255,255,255,.82); font-size: 1.08rem; max-width: 46ch; margin-bottom: 30px;
}
.hero-actions{ display:flex; gap: 14px; flex-wrap:wrap; }
.hero-stats{
  display:flex; gap: 34px; margin-top: 44px; flex-wrap:wrap;
}
.hero-stats div strong{ display:block; font-family: var(--font-display); font-size: 1.7rem; color:#fff; }
.hero-stats div span{ font-size:.8rem; color: rgba(255,255,255,.65); }

.hero-emblem{
  position:relative; z-index:1;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-l);
  padding: 34px;
  text-align:center;
  backdrop-filter: blur(6px);
}
.hero-emblem img{ margin: 0 auto 18px; width: 150px; }
.hero-emblem h3{ color:#fff; font-size:1.05rem; margin-bottom:6px; }
.hero-emblem p{ color: rgba(255,255,255,.7); font-size:.88rem; margin-bottom: 20px; }

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-kite{ display:none; }
  .hero{ padding: 46px 0 60px; text-align:left; }
  .hero-stats{ gap: 24px; }
}

/* ---------- Section shells ---------- */
.section{ padding: 78px 0; }
.section-tight{ padding: 54px 0; }
.section-alt{ background: var(--blue-100); }
.section-navy{ background: var(--navy-900); color: #fff; }
.section-navy h2, .section-navy h3{ color:#fff; }
.section-navy p{ color: rgba(255,255,255,.72); }

.section-head{ max-width: 640px; margin: 0 0 44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.kicker{
  display:inline-block; color: var(--blue-700); font-weight:700; font-size:.8rem;
  letter-spacing:.03em; margin-bottom: 10px;
}
.section-navy .kicker{ color: var(--gold-100); }

/* ---------- Cards ---------- */
.grid{ display:grid; gap: 26px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){
  .grid-3, .grid-4{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
}

.card{
  background:#fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 26px; box-shadow: var(--shadow-card);
}
.card-proker{
  background:#fff; border-radius: var(--radius-m); overflow:hidden; border: 1px solid var(--line);
  display:flex; flex-direction:column; height:100%;
}
.card-proker .foto{ aspect-ratio: 16/10; overflow:hidden; background: var(--blue-100); }
.card-proker .foto img{ width:100%; height:100%; object-fit:cover; display:block; }
.card-proker .tag{
  align-self:flex-start; margin: 16px 24px 0;
  background: var(--blue-100); color: var(--blue-700); font-size:.72rem; font-weight:700;
  padding: 5px 10px; border-radius: 999px; letter-spacing:.02em;
}
.card-proker h3{ margin: 12px 24px 8px; font-size: 1.15rem; }
.card-proker p{ margin: 0 24px 22px; font-size:.92rem; }

.step{ display:flex; gap:18px; }
.step-num{
  flex: none; width: 40px; height:40px; border-radius:50%;
  background: var(--navy-900); color: var(--gold-100);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:600;
}
.step h4{ margin: 4px 0 4px; font-size:1.02rem; }
.step p{ margin:0; font-size:.9rem; }
.steps-list{ display:flex; flex-direction:column; gap: 26px; }

.value-icon{
  width: 60px; height:60px; border-radius: 14px; background: var(--blue-100);
  display:flex; align-items:center; justify-content:center; margin-bottom: 16px; padding: 10px;
}
.value-icon img{ width:100%; height:100%; object-fit: contain; }

/* Timeline ketua */
.timeline{ border-left: 2px solid var(--line); padding-left: 26px; display:flex; flex-direction:column; gap: 22px; }
.timeline-item{ position:relative; }
.timeline-item::before{
  content:''; position:absolute; left:-32px; top:4px; width:10px; height:10px; border-radius:50%;
  background: var(--gold-500); box-shadow: 0 0 0 4px var(--gold-100);
}
.timeline-item .periode{ font-weight:700; color: var(--blue-700); font-size:.85rem; }
.timeline-item .nama{ font-family: var(--font-display); font-size:1.05rem; color: var(--navy-900); }

/* Winners grid */
.winner-card{
  background: linear-gradient(180deg, #fff, var(--sky-50));
  border:1px solid var(--line); border-radius: var(--radius-m); padding: 20px; text-align:center;
}
.winner-card .tahun{ font-family: var(--font-display); font-size:1.3rem; color: var(--blue-700); }
.winner-card .nama-w{ font-size:.9rem; margin: 4px 0 0; color: var(--ink-900); font-weight:600; }
.winner-card .peran{ font-size:.74rem; color: var(--ink-400); text-transform:uppercase; letter-spacing:.03em; }

/* ---------- Forms ---------- */
.form-shell{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-l);
  padding: 40px; box-shadow: var(--shadow-card);
}
@media (max-width: 620px){ .form-shell{ padding: 24px 18px; } }

.form-section-title{
  font-family: var(--font-display); font-size:1.15rem; color: var(--navy-900);
  margin: 34px 0 18px; padding-bottom:10px; border-bottom: 1px solid var(--line);
}
.form-section-title:first-child{ margin-top:0; }

.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row-3{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap:18px; }
@media (max-width: 620px){ .form-row, .form-row-3{ grid-template-columns: 1fr; } }

.field{ margin-bottom: 18px; }
.field label{ display:block; font-size:.85rem; font-weight:600; color: var(--ink-900); margin-bottom:6px; }
.field .hint{ font-size:.76rem; color: var(--ink-400); margin-top:5px; display:block; }
.field input[type=text], .field input[type=email], .field input[type=password],
.field input[type=number], .field input[type=tel], .field input[type=date],
.field select, .field textarea{
  width:100%; padding: 12px 14px; border-radius: var(--radius-s);
  border: 1.5px solid var(--line); background: var(--sky-50);
  font-family: var(--font-body); font-size:.94rem; color: var(--ink-900);
  transition: border-color .15s ease, background .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color: var(--blue-600); background:#fff;
}
.field textarea{ resize: vertical; min-height: 84px; }
.required::after{ content:' *'; color: var(--bad-600); }

.file-drop{
  border: 1.5px dashed var(--blue-400); background: var(--blue-100);
  border-radius: var(--radius-s); padding: 20px; text-align:center; cursor:pointer;
  transition: background .15s ease;
}
.file-drop:hover{ background: #dcebfa; }
.file-drop input{ display:none; }
.file-drop .file-name{ font-size:.82rem; color: var(--blue-700); font-weight:600; margin-top:6px; }

/* ---------- Alerts ---------- */
.alert{
  padding: 14px 18px; border-radius: var(--radius-s); font-size:.9rem; font-weight:500; margin-bottom: 20px;
  border: 1px solid transparent;
}
.alert-sukses{ background: var(--ok-100); color: var(--ok-600); border-color: #bfe7d1; }
.alert-gagal{ background: var(--bad-100); color: var(--bad-600); border-color: #f3c7c7; }
.alert-info{ background: var(--blue-100); color: var(--blue-700); border-color: #c7dcf3; }

/* ---------- Badges ---------- */
.badge{ display:inline-flex; align-items:center; gap:5px; padding: 4px 11px; border-radius:999px; font-size:.74rem; font-weight:700; }
.badge-menunggu{ background: var(--warn-100); color: var(--warn-600); }
.badge-diverifikasi{ background: var(--ok-100); color: var(--ok-600); }
.badge-ditolak{ background: var(--bad-100); color: var(--bad-600); }
.badge-buka{ background: var(--ok-100); color: var(--ok-600); }
.badge-tutup{ background: var(--bad-100); color: var(--bad-600); }
.badge-vvip{ background: var(--navy-900); color: var(--gold-100); }
.badge-vip{ background: var(--blue-100); color: var(--blue-700); }
.badge-regular{ background: var(--sky-50); color: var(--ink-600); border:1px solid var(--line); }

/* ---------- Voting / kandidat page ---------- */
.filter-tabs{ display:flex; gap:10px; margin-bottom: 30px; }
.filter-tabs button{
  padding: 10px 22px; border-radius: 999px; border:1.5px solid var(--line); background:#fff;
  font-weight:600; font-size:.88rem; cursor:pointer; color: var(--ink-600);
}
.filter-tabs button.active{ background: var(--navy-900); color:#fff; border-color: var(--navy-900); }

.kandidat-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-m); overflow:hidden;
  box-shadow: var(--shadow-card); display:flex; flex-direction:column;
}
.kandidat-foto{ aspect-ratio: 4/5; background: var(--blue-100); overflow:hidden; position:relative; }
.kandidat-foto img{ width:100%; height:100%; object-fit:cover; }
.kandidat-kode{
  position:absolute; top:10px; left:10px; background: rgba(11,30,67,.82); color: var(--gold-100);
  font-size:.68rem; font-weight:700; padding: 4px 10px; border-radius:999px; letter-spacing:.03em;
}
.kandidat-body{ padding: 18px 18px 20px; flex:1; display:flex; flex-direction:column; }
.kandidat-body h4{ font-size:1.02rem; margin-bottom:2px; }
.kandidat-body .prodi{ font-size:.8rem; color: var(--ink-400); margin-bottom: 14px; }
.kandidat-body .btn{ margin-top:auto; }

.scan-box{
  background: var(--navy-900); border-radius: var(--radius-l); padding: 30px; color:#fff; text-align:center;
}
#video-scan, #video-scan video{ width:100%; border-radius: var(--radius-m); background:#000; }
.scan-target{ max-width: 420px; margin: 0 auto; }
.scan-result{
  margin-top:18px; background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-s); padding: 16px; text-align:left; display:none;
}
.scan-result.show{ display:block; }
.scan-result img{ width:64px; height:64px; border-radius:8px; object-fit:cover; float:left; margin-right:14px; }

/* ---------- Footer ---------- */
.footer{ background: var(--navy-900); color: rgba(255,255,255,.7); padding: 56px 0 26px; }
.footer h4{ color:#fff; font-size:1rem; margin-bottom: 16px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand{ display:flex; gap:12px; align-items:center; margin-bottom: 14px; }
.footer-brand img{ height:40px; }
.footer-brand span{ font-family: var(--font-display); color:#fff; font-size:1.05rem; }
.footer ul li{ margin-bottom: 10px; font-size:.9rem; }
.footer ul li a:hover{ color: var(--gold-100); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; font-size:.8rem;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
@media (max-width: 720px){ .footer-grid{ grid-template-columns: 1fr; gap: 28px; } }

/* ---------- Misc ---------- */
.divider-gold{ width:56px; height:3px; background: var(--gold-500); border-radius:2px; margin: 0 0 18px; }
summary{ list-style:none; }
summary::-webkit-details-marker{ display:none; }
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.table-wrap{ overflow-x:auto; }
table.data-table{ width:100%; border-collapse: collapse; background:#fff; font-size:.88rem; }
table.data-table th, table.data-table td{ padding: 12px 14px; border-bottom: 1px solid var(--line); text-align:left; white-space:nowrap; }
table.data-table th{ background: var(--sky-50); color: var(--ink-600); font-weight:700; font-size:.76rem; text-transform:uppercase; letter-spacing:.03em; }