/* Custom CSS untuk RAKERWIL APJII Jateng 2025 */

/* =========================
   Variables
========================= */
:root {
    --primary: #1e3c72;
    --secondary: #2a5298;
    --accent: #ffc107;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;

    /* Overlay colors */
    --overlay-dim: rgba(0,0,0,0.25);
    --overlay-card: rgba(0,0,0,0.45);
    --overlay-card-border: rgba(255,255,255,0.12);
}

/* =========================
   Hero Section + Overlays
========================= */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding-top: 80px;               /* ruang untuk fixed navbar */
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
    pointer-events: none;
    z-index: 1; /* di atas gambar, di bawah overlay */
}

/* Countdown overlay (tengah banner, diberi ruang bawah agar tidak menabrak kartu) */
.countdown-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-start;   /* dorong ke atas */
    justify-content: center;
    text-align: center;
    background: var(--overlay-dim); /* transparan agar banner terlihat */
    padding-top: 8vh;          /* jarak dari atas */
    padding-bottom: 32vh;      /* ruang aman untuk kartu di bawah */
    z-index: 3;                /* di atas kartu */
}

.countdown-box {
    background: var(--overlay-card);
    border: 1px solid var(--overlay-card-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    color: #fff;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    min-width: 260px;
}

.countdown-title {
    font-size: 1rem;
    margin-bottom: .5rem;
    opacity: .95;
}

.countdown-time {
    display: flex;
    gap: .75rem;
    justify-content: center;
}

.countdown-seg {
    min-width: 64px;
    padding: .4rem .5rem;
    border-radius: .5rem;
    background: rgba(255,255,255,.1);
}

.countdown-seg .num {
    display: block;
    font-weight: 700;
    font-size: 1.35rem;
    line-height: 1.1;
}

.countdown-seg .lbl {
    display: block;
    font-size: .8rem;
    opacity: .9;
}

/* Overlay info cards (bagian bawah banner) */
.hero-info-overlay {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 1rem 0 1.25rem;
    background: linear-gradient(to top, rgba(0,0,0,.38), rgba(0,0,0,0));
    z-index: 2; /* di bawah countdown, di atas gambar */
}

.hero-info-card {
    color: #fff;
    border-radius: 12px;
    padding: 1rem;
    background: var(--overlay-card);
    border: 1px solid var(--overlay-card-border);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    height: 100%;
    text-align: center;
    transition: transform .2s ease, box-shadow .2s ease;
}

.hero-info-card h4 { 
    margin-bottom: .25rem; 
    font-weight: 600; 
    color: #fff;
}

.hero-info-card p { 
    margin: 0; 
    color: #f8f9fa;
}

.hero-info-card i { 
    display:block; 
    margin-bottom:.25rem; 
    font-size:1.5rem; 
    color: #fff; 
    opacity:.9; 
}

.hero-info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0,0,0,0.18);
}

/* =========================
   Section Title
========================= */
.section-title {
    color: var(--primary);
    font-weight: bold;
    margin-bottom: 2rem;
    position: relative;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary);
}

/* =========================
   Info Cards (umum)
========================= */
.info-card {
    padding: 2rem 1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    text-align: center;
    height: 100%;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* =========================
   Navbar / Buttons / Cards
========================= */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.btn-warning {
    font-weight: bold;
    color: #000;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: bold;
}

/* =========================
   Sponsor package styles
========================= */
.sponsor-gold {
    background: linear-gradient(45deg, #FFD700, #FFEC8B);
    border: 3px solid #FFD700;
    border-radius: 15px;
}

.sponsor-silver {
    background: linear-gradient(45deg, #C0C0C0, #E8E8E8);
    border: 3px solid #C0C0C0;
    border-radius: 15px;
}

.sponsor-bronze {
    background: linear-gradient(45deg, #CD7F32, #E8B886);
    border: 3px solid #CD7F32;
    border-radius: 15px;
}

.text-brown { color: #CD7F32 !important; }

/* =========================
   Tables
========================= */
.table th {
    background-color: var(--primary);
    color: white;
    border: none;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(30, 60, 114, 0.05);
}

/* =========================
   Forms
========================= */
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(30, 60, 114, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    transform: translateY(-2px);
}

/* =========================
   Badges / Alerts
========================= */
.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
}

.alert {
    border: none;
    border-radius: 10px;
    border-left: 5px solid;
}

.alert-success { border-left-color: var(--success); }
.alert-danger  { border-left-color: var(--danger); }
.alert-warning { border-left-color: var(--warning); }
.alert-info    { border-left-color: var(--info); }

/* =========================
   Footer
========================= */
.footer {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 3rem 0;
    margin-top: 5rem;
}

/* =========================
   Responsive adjustments
========================= */
@media (max-width: 1200px) {
    .countdown-box { padding: 1.25rem 1.25rem; }
    .countdown-title { font-size: 1rem; }
}

@media (max-width: 992px) {
    .countdown-seg { min-width: 70px; }
    .countdown-seg .num { font-size: 1.4rem; }
    .countdown-overlay {
        padding-top: 12vh;    /* sedikit lebih rapat di tablet */
        padding-bottom: 26vh; /* tambah ruang untuk kartu */
    }
}

/* ===== Mobile: ubah perilaku agar tidak overlap ===== */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 100px 0 24px;   /* kurangi padding bawah karena kartu pindah ke luar overlay */
        min-height: auto;        /* biar tinggi menyesuaikan konten */
    }

    /* Countdown tetap di atas, tapi beri ruang cukup */
    .countdown-overlay {
        align-items: flex-start;
        padding-top: 10vh;       /* posisi countdown */
        padding-bottom: 8vh;     /* tidak perlu besar karena kartu tidak overlay */
        background: var(--overlay-dim);
        position: absolute;
    }

    .countdown-box { max-width: 320px; }

    /* Kartu info TIDAK overlay di mobile: pindah jadi blok normal di bawah banner */
    .hero-info-overlay {
        position: static;               /* bukan absolute lagi */
        z-index: auto;
        padding: 0;                     /* hilangkan padding overlay */
        background: none;               /* hilangkan gradasi */
        margin-top: 12px;               /* beri jarak tipis setelah banner */
    }

    .hero-info-card { 
        margin-bottom: .5rem; 
        background: #0f1e3c;           /* warna solid gelap agar tetap kontras */
        border-color: rgba(255,255,255,0.08);
    }

    .display-4 { font-size: 2.2rem; }
    .navbar-nav .btn { margin-top: 10px; }
}

/* =========================
   Loading + Custom Scrollbar
========================= */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }