/* =========================================
   0. IMPORT GOOGLE FONTS (FALLBACK)
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* =========================================
   0.1 CUSTOM FONT SETUP (GALANO)
   ========================================= */
@font-face {
    font-family: 'galano-reguler';
    /* Pastikan path file font ini sesuai dengan struktur folder Anda */
    src: url('../fonts/galano-reguler.woff2') format('woff2'),
         url('../fonts/galano-reguler.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap; /* Memastikan teks tetap muncul pakai Poppins sebelum Galano selesai dimuat */
}

/* =========================================
   1. SETUP & VARIABLES (LP3I CORPORATE THEME)
   ========================================= */
:root {
    /* LP3I Corporate Color Palette */
    --lp3i-navy: #004269;   /* Biru Dongker / Navy */
    --lp3i-teal: #009DA5;   /* Biru Kehijauan / Tosca */
    --lp3i-coral: #F15B67;  /* Merah Coral */
    --lp3i-base: #FAFAFA;   /* Abu-abu Dasar */
    
    /* Theme Mapping (Light Theme) */
    --primary: var(--lp3i-base);    /* Background utama web */
    --text-dark: var(--lp3i-navy);  /* Teks utama (Bukan putih lagi, tapi Navy) */
    --text-dim: #555555;            /* Teks sekunder/paragraf */
    --accent-1: var(--lp3i-teal);   /* Aksen untuk border/ikon */
    --accent-2: var(--lp3i-coral);  /* Aksen untuk tombol/highlight */
    
    /* Light Glassmorphism Settings (Kaca Terang) */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.9);
    --card-hover: rgba(255, 255, 255, 0.85);
}

/* =========================================
   2. GLOBAL RESET & TYPOGRAPHY
   ========================================= */
html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden !important;
}

body {
    background-color: var(--primary);
    color: var(--text-dark);
    /* Prioritaskan Galano, jika browser gagal muat/tidak support, pakai Poppins */
    font-family: 'galano-reguler', 'Poppins', sans-serif; 
}

/* Rombak semua heading yang tadinya pakai Playfair */
h1, h2, h3, h4, h5, h6, .font-playfair {
    font-family: 'galano-reguler', 'Poppins', sans-serif;
    color: var(--lp3i-navy);
    font-weight: 600;
}

a { text-decoration: none; transition: 0.3s; }

.section-padding {
    padding: 100px 0;
    position: relative;
}

/* =========================================
   UTILITY CLASSES (TEXT & COLORS)
   ========================================= */
/* Text Gradient Effect (Tosca ke Navy dengan Animasi Mengalir) */
.text-corporate-gradient {
    background: linear-gradient(to right, var(--lp3i-teal), var(--lp3i-navy), var(--lp3i-teal));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    animation: gradientFlow 4s linear infinite;
}

/* Keyframes untuk menggerakkan background dari 0% ke 200% */
@keyframes gradientFlow {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Warna Teks Khusus */
.text-navy { color: var(--lp3i-navy) !important; }
.text-teal { color: var(--lp3i-teal) !important; }
.text-coral { color: var(--lp3i-coral) !important; }

/* Teks Sekunder & Tipografi */
.text-dim { color: var(--text-dim) !important; }
.letter-spacing-2 { letter-spacing: 2px; }

/* =========================================
   3. CUSTOM CURSOR & PRELOADER
   ========================================= */
/* Kursor Titik (Dot) */
.cursor-dot {
    width: 8px; height: 8px;
    background-color: var(--accent-2); /* Menggunakan Merah Coral LP3I */
    position: fixed;
    top: 0; left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

/* Kursor Lingkaran (Outline) */
.cursor-outline {
    width: 40px; height: 40px;
    /* rgba(241, 91, 103, 0.5) adalah versi transparan dari Merah Coral LP3I */
    border: 1px solid rgba(241, 91, 103, 0.5);
    position: fixed;
    top: 0; left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Efek Hover Kursor (Membesar saat kena Link/Tombol) */
body:has(a:hover, button:hover, .glass-card:hover) .cursor-outline {
    width: 60px; height: 60px;
    background-color: rgba(241, 91, 103, 0.1); /* Merah Coral transparan */
    border-color: var(--accent-2); /* Merah Coral Solid */
}

/* Preloader Screen */
#preloader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--primary); 
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 0.5s ease;
}

.loader-img {
    max-width: 150px; /* Ukuran logo saat loading */
    height: auto;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(0.95); }
}

/* =========================================
   4. NAVBAR & HERO SECTION
   ========================================= */
.navbar-logo {
    height: 40px;
    width: auto;
    /* Hapus filter invert(1) agar logo berwarna asli LP3I terlihat natural */
    object-fit: contain;
    transition: transform 0.3s ease, filter 0.3s ease;
}

/* Efek saat logo disentuh mouse */
.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
    /* Glow warna Tosca LP3I saat di-hover */
    filter: drop-shadow(0 0 8px rgba(0, 157, 165, 0.4));
}

.navbar-brand:hover .lh-1 {
    transform: scale(1.05);   
}

.navbar-custom {
    /* Background kaca terang (putih transparan) agar senada dengan Light Mode */
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border); /* Border putih tipis */
    padding: 15px 0;
}

.nav-link {
    /* Warna teks menu diubah ke Navy LP3I */
    color: var(--text-dark) !important; 
    font-weight: 600; /* Sedikit ditebalkan agar jelas di background terang */
    position: relative;
    margin: 0 10px;
    font-size: 0.9rem;
}

/* Garis bawah animasi menu (Gunakan Coral LP3I) */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0; 
    height: 3px; /* Agak ditebalkan sedikit */
    bottom: -5px; 
    left: 0;
    background-color: var(--accent-2); /* Merah Coral LP3I */
    transition: width 0.3s ease-in-out;
}
.nav-link:hover::after { 
    width: 100%; 
}

/* Hero Area */
.hero-section {
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: 100px;
    padding-bottom: 50px;
    background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(217, 217, 217, 1)), url('../img/hero-bg.jpg');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* =========================================
   HERO FLOATING LOGO ANIMATION
   ========================================= */
.hero-floating-logo {
    max-width: 240px;
    height: auto;
    animation: organicFloat 5s ease-in-out infinite;
    filter: drop-shadow(0 20px 25px rgba(0, 66, 105, 0.15));
}

@keyframes organicFloat {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        /* Naik 20px dan sedikit miring 1.5 derajat untuk efek ayunan bergelombang */
        transform: translateY(-20px) rotate(1.5deg); 
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

/* =========================================
   PARTIKEL BACKGROUND
   ========================================= */
#particles-js {
    position: fixed;      /* KUNCI: Agar menempel di layar & keluar dari alur dokumen */
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;        /* Fallback untuk browser lawas */
    height: 100dvh;       /* KUNCI MOBILE: Tinggi dinamis agar tidak over-scroll di HP */
    z-index: 0;           /* Layer paling bawah */
    pointer-events: none; /* KUNCI: Agar tembus klik (tidak menghalangi form/tombol) */
}

/* =========================================
   5. GLASSMORPHISM CARDS (LIGHT MODE CORE)
   ========================================= */
.glass-card {
    /* Menggunakan variabel kaca terang yang sudah diset di Bagian 1 */
    background: var(--glass-bg); 
    backdrop-filter: blur(15px); /* Efek blur dinaikkan sedikit agar lebih solid */
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border); /* Garis tepi putih */
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Shadow diubah: Lebih menyebar, lebih terang, dan sedikit kebiruan agar elegan */
    box-shadow: 0 8px 32px rgba(0, 66, 105, 0.05); 
}

.glass-card:hover {
    background: var(--card-hover);
    transform: translateY(-10px);
    border-color: var(--lp3i-teal); 
    box-shadow: 0 15px 40px rgba(0, 66, 105, 0.15);
    z-index: 5; 
    position: relative;
}

/* Modifikasi Khusus untuk Kartu yang "Di-Highlight" (Misal: Kartu Presenter di bagian Benefit) */
.glass-card.highlighted-card {
    border: 2px solid var(--lp3i-coral); /* Border Merah Coral LP3I */
    background: rgba(241, 91, 103, 0.03); /* Latar belakang kemerahan sangat tipis */
    box-shadow: 0 8px 32px rgba(241, 91, 103, 0.1); /* Bayangan Coral */
}

.glass-card.highlighted-card:hover {
    box-shadow: 0 15px 40px rgba(241, 91, 103, 0.25);
}

/* =========================================
   6. MARQUEE (ORGANIZER)
   ========================================= */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    /* Dibuat transparan agar menyatu dengan background abu-abu LP3I */
    background: transparent; 
}

.marquee-content {
    display: flex; 
    width: max-content;
    animation: marquee 35s linear infinite;
}

/* Style untuk Gambar Logo Organizer (Mode Tatakan / Badge) */
.org-logo {
    height: 100px; 
    min-width: 120px; 
    max-width: 180px; 
    margin: 0 20px; 
    padding: 10px 15px; 
    
    /* Tatakan dibuat Putih Bersih agar logo menonjol di atas latar abu-abu */
    background-color: #ffffff; 
    /* Border Navy tipis sebagai pembatas */
    border: 1px solid rgba(0, 66, 105, 0.1); 
    border-radius: 12px; 
    object-fit: contain; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Tetap abu-abu saat diam (sangat elegan) */
    filter: grayscale(100%); 
    
    /* Bayangan dasar yang sangat lembut */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    
    flex-shrink: 0; /* Mencegah logo mengecil sendiri */
}

/* Efek saat logo disentuh mouse */
.org-logo:hover {
    background-color: #ffffff; 
    filter: grayscale(0%); /* Warna-warni asli logo muncul */
    transform: translateY(-5px) scale(1.05); /* Efek melayang dan membesar */
    
    /* Bayangan dan bingkai diubah menggunakan warna Tosca LP3I */
    box-shadow: 0 10px 25px rgba(0, 157, 165, 0.25); /* Glow Tosca */
    border-color: var(--lp3i-teal); /* Bingkai menjadi Tosca */
}

@keyframes marquee { 
    0% { transform: translateX(0); } 
    100% { transform: translateX(-50%); } 
}

/* =========================================
   ABOUT SECTION: EDITORIAL COLLAGE & SCROLL
   ========================================= */

/* --- 1. Custom Scrollbar untuk Teks About --- */
.about-custom-scrollbar {
    max-height: 400px; /* Batas tinggi teks sebelum muncul scroll */
    overflow-y: auto;
}

/* Desain Scrollbar Chrome/Safari/Edge */
.about-custom-scrollbar::-webkit-scrollbar {
    width: 6px; /* Super tipis dan elegan */
}
.about-custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(0, 66, 105, 0.05); /* Jalur scroll transparan */
    border-radius: 10px;
}
.about-custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--lp3i-teal); /* Warna Tosca LP3I */
    border-radius: 10px;
}
.about-custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--lp3i-navy); /* Berubah Navy saat ditarik */
}

/* --- 2. Image Collage (Kolase Gambar) --- */
.collage-wrapper {
    position: relative;
    height: 500px;
    width: 100%;
}

/* Gambar 1: Kiri Atas */
.collage-img-1 {
    position: absolute;
    top: 0; left: 0;
    width: 65%; height: 60%;
    object-fit: cover;
    border-radius: 16px;
    border: 6px solid #ffffff;
    box-shadow: 0 15px 35px rgba(0, 66, 105, 0.1);
    z-index: 2;
    transition: transform 0.4s ease;
}

/* Gambar 2: Kanan Bawah */
.collage-img-2 {
    position: absolute;
    bottom: 0; right: 0;
    width: 70%; height: 55%;
    object-fit: cover;
    border-radius: 16px;
    border: 6px solid #ffffff;
    box-shadow: 0 15px 35px rgba(0, 66, 105, 0.15);
    z-index: 3;
    transition: transform 0.4s ease;
}

/* Gambar 3: Kanan Atas (Terkecil) */
.collage-img-3 {
    position: absolute;
    top: 15%; right: 5%;
    width: 35%; height: 35%;
    object-fit: cover;
    border-radius: 16px;
    border: 6px solid #ffffff;
    box-shadow: 0 15px 35px rgba(0, 66, 105, 0.2);
    z-index: 4;
    transition: transform 0.4s ease;
}

/* Efek interaktif saat gambar disentuh mouse */
.collage-wrapper:hover .collage-img-1 { transform: translate(-10px, -10px); z-index: 5;}
.collage-wrapper:hover .collage-img-2 { transform: translate(10px, 10px); z-index: 5;}
.collage-wrapper:hover .collage-img-3 { transform: translate(10px, -10px); z-index: 5;}

/* Latar belakang bentuk aksen */
.collage-shape {
    position: absolute;
    bottom: 20px; left: -20px;
    width: 200px; height: 200px;
    background: var(--lp3i-teal);
    opacity: 0.1;
    border-radius: 50%;
    z-index: 1;
}

/* Badge Tahun */
.collage-badge {
    position: absolute;
    bottom: 20px; left: 20px;
    padding: 15px 25px;
    border-radius: 12px;
    z-index: 5;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.05);
}

/* Penyesuaian untuk layar HP */
@media (max-width: 767.98px) {
    .collage-wrapper { height: 350px; }
    .about-custom-scrollbar { max-height: 300px; } /* Di HP, kotak teks tidak usah terlalu tinggi */
}

/* =========================================
   TOPICS SECTION STYLING
   ========================================= */

/* Wadah Ikon Bulat yang Elegan */
.topic-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 157, 165, 0.1); /* Latar belakang Tosca transparan */
    color: var(--lp3i-navy); /* Ikon warna Navy */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Efek saat kartu disentuh, ikon membesar dan berubah warna */
.glass-card:hover .topic-icon {
    background: var(--lp3i-teal);
    color: #ffffff;
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 157, 165, 0.3);
}

/* Kustomisasi Bullet Point agar tidak menumpuk dan lebih modern */
.topic-list {
    list-style: none; /* Hilangkan bullet bawaan HTML */
    padding-left: 0;
    margin-bottom: 0;
}

.topic-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #4a5568; /* Abu-abu gelap elegan */
    line-height: 1.5;
    transition: color 0.3s ease;
}

.topic-list li:hover {
    color: var(--lp3i-navy);
    font-weight: 500;
}

/* Membuat titik (bullet) custom menggunakan warna Coral LP3I */
.topic-list li::before {
    content: '•'; /* Anda juga bisa mengganti ini dengan ikon unicode lain */
    position: absolute;
    left: 0;
    top: -2px;
    color: var(--lp3i-coral);
    font-weight: bold;
    font-size: 1.2rem;
}

/* =========================================
   SPEAKER CARD STYLING (FULL IMAGE)
   ========================================= */
.glass-card-speaker {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden; /* Kunci agar gambar tetap di dalam lengkungan kartu */
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 66, 105, 0.05);
}

.speaker-img-full {
    width: 100%;
    height: 320px; /* Tinggi kotak gambar */
    overflow: hidden;
    position: relative;
}

.speaker-img-full img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Gambar memenuhi kotak secara proporsional */
    object-position: top; /* Fokus pada bagian kepala/wajah */
    transition: transform 0.6s ease;
}

/* Info Box di bawah gambar */
.speaker-info-box {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Badge melayang untuk Keynote */
.speaker-badge-overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--lp3i-coral);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 5px 15px rgba(241, 91, 103, 0.4);
}

/* Kutipan materi dengan gaya korporat */
.speaker-topic-quote {
    font-style: italic;
    font-size: 0.8rem;
    color: var(--lp3i-navy);
    line-height: 1.6;
    padding-top: 1rem;
    margin-top: auto; /* Selalu di paling bawah kotak info */
    border-top: 1px solid rgba(0, 66, 105, 0.08);
}

/* Hover Effect */
.glass-card-speaker:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 66, 105, 0.12);
    border-color: var(--lp3i-teal);
}

.glass-card-speaker:hover .speaker-img-full img {
    transform: scale(1.08); /* Efek zoom tipis saat hover */
}

/* =========================================
   TIMELINE CUSTOM STYLING
   ========================================= */
.timeline-container {
    position: relative;
    padding: 20px 0;
}

/* Garis Tengah */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: rgba(0, 66, 105, 0.1); /* Soft Navy Line */
    top: 0;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.timeline-date {
    width: 45%;
    text-align: right;
    padding-right: 40px;
    font-weight: 600;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--lp3i-teal);
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 0 0 3px rgba(0, 157, 165, 0.2);
}

.timeline-content {
    width: 45%;
    padding-left: 40px;
}

/* Styling untuk Event Day (Active) */
.timeline-item.active .timeline-dot.main-event {
    width: 24px;
    height: 24px;
    background: var(--lp3i-coral);
    box-shadow: 0 0 15px rgba(241, 91, 103, 0.5);
    border-color: #fff;
}

.timeline-item.active .timeline-date {
    color: var(--lp3i-coral) !important;
}

.border-dashed {
    border-style: dashed !important;
    border-width: 2px !important;
}

/* =========================================
   8. FEE SECTION (VERTICAL CARDS)
   ========================================= */
/* Style khusus untuk kartu "Recommended" (Non-Students) */
.glass-card.border-warning {
    border: 1px solid var(--accent) !important;
    background: rgba(212, 175, 55, 0.05) !important; /* Tint Emas tipis */
    transform: scale(1.05); /* Sedikit lebih besar dari yang lain */
    z-index: 2;
}

/* List Benefit (Checklist) */
.glass-card ul { list-style: none; padding: 0; margin-top: 1rem; }
.glass-card ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
    text-align: left;
}
.glass-card ul li::before {
    content: '✓';
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Harga Besar */
.display-5 { font-family: 'Playfair Display', serif; letter-spacing: -1px; }

/* =========================================
   9. BUTTONS (LP3I CORPORATE)
   ========================================= */

/* Tombol Utama (Merah Coral) - Pengganti btn-gradient */
.btn-coral {
    background-color: var(--lp3i-coral);
    color: #ffffff;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(241, 91, 103, 0.3);
    transition: all 0.3s ease;
}
.btn-coral:hover {
    background-color: #d94b56; /* Coral sedikit lebih gelap */
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(241, 91, 103, 0.4);
}

/* Tombol Sekunder (Outline Navy) - Pengganti btn-outline-light */
.btn-outline-navy {
    border: 2px solid var(--lp3i-navy);
    color: var(--lp3i-navy);
    font-weight: 600;
    background: transparent;
    transition: all 0.3s ease;
}
.btn-outline-navy:hover {
    background-color: var(--lp3i-navy);
    color: #ffffff;
    transform: translateY(-3px);
}

/* Tombol Link Teks (Merah Coral ke Navy) - Pengganti btn-link-gold */
.btn-link-coral {
    color: var(--lp3i-coral);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}
.btn-link-coral:hover { 
    color: var(--lp3i-navy); /* Berubah menjadi Navy saat disentuh mouse */
    border-bottom-color: var(--lp3i-navy); 
}

/* =========================================
   GALLERY BENTO GRID STYLING
   ========================================= */
.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    background: #f8f9fa;
    box-shadow: 0 10px 30px rgba(0, 66, 105, 0.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.2, 1, 0.3, 1);
}

/* Overlay Glassmorphism */
.gallery-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(0, 66, 105, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0; /* Sembunyi secara default */
    transition: all 0.4s ease;
    backdrop-filter: blur(2px);
}

.overlay-text {
    color: #ffffff;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

/* Efek Hover */
.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .overlay-text {
    transform: translateY(0);
}

/* Khusus Item Tinggi */
.tall-item {
    height: 100%;
}

/* =========================================
   FOOTER STYLING
   ========================================= */
.bg-navy {
    background-color: #002a44; /* Navy yang sangat dalam/solid */
}

.btn-outline-teal {
    color: var(--lp3i-base);
    border-color: var(--lp3i-teal);
    background-color: var(--lp3i-teal);
}

.btn-outline-teal:hover {
    color: #ffffff;
    border-color: var(--lp3i-base);
    background-color: var(--lp3i-teal);
    transform: scale(1.03);
}

/* Mempertegas jarak antar link atau item di footer */
#footer-section a {
    transition: all 0.3s ease;
}

#footer-section .opacity-75 {
    font-weight: 300;
}

#footer-section .letter-spacing-2 {
    letter-spacing: 2px;
}


/* =========================================
   13. AUTH PAGES (REGISTER & LOGIN)
   ========================================= */

.auth-container, section {
    position: relative;   /* Agar z-index berfungsi */
    z-index: 10;          /* Layer di atas partikel */
}
/* Background Full dengan Overlay Gelap */
.auth-body {
    background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.95)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
}

/* Custom Input Field (Transparan & Mewah) */
.form-control-glass {
    background: rgba(255, 255, 255, 0.03) !important; /* Sangat transparan */
    border: 1px solid rgba(255, 255, 255, 0.1) !important; /* Border tipis */
    color: var(--text-light) !important;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    padding: 12px 15px; /* Sedikit lebih lega */
}

/* Input Group Icon (Bagian kiri input) */
.input-group-text {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-right: none !important; /* Hapus border kanan biar nyatu */
    color: var(--accent);
}

/* Fix border input saat pakai input-group */
.input-group .form-control-glass {
    border-left: none !important;
}

/* Efek Fokus (Saat diklik user) */
.form-control-glass:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: var(--accent) !important; /* Border Emas */
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
    color: #fff !important;
}

/* Placeholder Color */
.form-control-glass::placeholder {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

/* Link Hover Effect */
.hover-gold:hover i, .hover-gold:hover span {
    color: var(--accent) !important;
    text-shadow: 0 0 10px var(--accent);
    transition: 0.3s;
}

/* =========================================
   14. FLOATING MUSIC PLAYER (UPDATED)
   ========================================= */
#musicToggle {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    padding: 0;
    z-index: 9999;
    cursor: pointer;
    /* Ganti Border Emas menjadi Navy Transparan */
    border: 1px solid rgba(0, 34, 55, 0.2); 
    /* Ganti Background Dark menjadi Putih Kaca (Glassmorphism) */
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    color: var(--lp3i-navy); /* Ikon warna Navy */
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 66, 105, 0.1);
}

#musicToggle:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 8px 20px rgba(0, 157, 165, 0.2); /* Glow Tosca tipis */
    background: #ffffff;
    color: var(--lp3i-teal); /* Ikon berubah jadi Tosca saat hover */
}

/* =========================================
   15. SCROLL TO TOP BUTTON (UPDATED)
   ========================================= */
#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    padding: 0;
    z-index: 9999;
    cursor: pointer;
    /* Gunakan warna dominan Coral LP3I */
    border: none;
    background: var(--lp3i-coral);
    color: #ffffff; /* Ikon panah putih */
    
    opacity: 0; 
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 5px 15px rgba(241, 91, 103, 0.3);
}

#scrollTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scrollTopBtn:hover {
    transform: translateY(-8px); /* Melayang lebih tinggi */
    background: var(--lp3i-navy); /* Berubah jadi Navy saat di-hover */
    box-shadow: 0 10px 25px rgba(0, 34, 55, 0.2);
    color: #ffffff;
}

/* =========================================
   PUBLICATION SECTION CUSTOM STYLING
   ========================================= */

/* Latar belakang lembut untuk icon box */
.bg-teal-soft {
    background-color: rgba(0, 157, 165, 0.1);
}

/* Tombol Utama (Warna Teal) */
.btn-teal {
    background: var(--lp3i-teal);
    color: #ffffff !important;
    font-weight: 600;
    border: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-teal:hover {
    background: #ffffff;
    color: var(--lp3i-navy) !important;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 157, 165, 0.3);
}

/* Tombol Outline (Warna Navy) */
.btn-outline-navy {
    color: var(--lp3i-navy);
    border: 2px solid var(--lp3i-navy);
    font-weight: 600;
    transition: all 0.4s ease;
}

.btn-outline-navy:hover {
    background: var(--lp3i-navy);
    color: #ffffff !important;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 34, 55, 0.15);
}

/* Utilitas Tambahan untuk Section ini */
.bg-navy {
    background-color: #002237 !important;
}

.badge.bg-white.text-navy {
    color: var(--lp3i-navy) !important;
    border-color: rgba(0, 34, 55, 0.1) !important;
}

/* =========================================
   16. RESPONSIVE & MEDIA QUERIES (FINAL SYNC)
   ========================================= */

/* --- TABLET & LAPTOP KECIL (Max Width: 991px) --- */
@media (max-width: 991.98px) {
    .section-padding { padding: 80px 0; }
    
    /* Update: Kita sekarang pakai display-4 dan display-5 */
    .hero-section .display-4 { font-size: 2.8rem; }
    .hero-section .display-5 { font-size: 2.2rem; }
    
    .bg-navy {
        background-color: var(--lp3i-navy) !important;
    }
    
    /* Sesuaikan tinggi gambar speaker agar tidak terlalu panjang di tablet */
    .speaker-img-full { height: 280px; }
}

/* --- MOBILE & SMARTPHONE (Max Width: 767px) --- */
@media (max-width: 767.98px) {
    .section-padding { padding: 60px 0; }
    
    /* Hero Section Update */
    .hero-section { padding-top: 100px; } /* Jarak aman dari navbar mobile */
    .hero-section .display-4 { font-size: 1.8rem !important; }
    .hero-section .display-5 { font-size: 1.6rem !important; }
    .hero-section .lead { font-size: 0.95rem; }
    
    .hero-section .d-flex.justify-content-center {
        flex-direction: column;
        gap: 12px !important;
        padding: 0 20px;
    }
    .hero-section .btn { width: 100%; padding: 12px; }
    .hero-floating-logo { max-width: 130px; }

    /* About Collage: Di HP gambar dibuat bertumpuk biasa agar rapi */
    .collage-wrapper { height: auto; display: flex; flex-direction: column; gap: 15px; }
    .collage-img-1, .collage-img-2, .collage-img-3 { 
        position: relative !important; 
        width: 100% !important; 
        height: 200px !important; 
        top: 0 !important; left: 0 !important; right: 0 !important; bottom: 0 !important;
        transform: none !important;
    }
    .collage-shape { display: none; }
    .about-custom-scrollbar { max-height: none; overflow: visible; } /* Di HP jangan di-scroll dalam box */

    /* Speaker Update: Kembalikan ke format kotak sesuai desain terbaru kita */
    .speaker-img-full { height: 350px; } /* Biarkan tinggi agar foto jelas di satu kolom HP */
    .glass-card-speaker { margin-bottom: 20px; }

    /* Fee Update */
    .display-5 { font-size: 2.2rem; }
    .display-6 { font-size: 1.8rem; }

    /* Timeline & Gallery (Sudah Oke di kode Anda, saya rapikan sedikit) */
    .timeline-container::before { left: 20px; }
    .timeline-item { padding-left: 45px; margin-bottom: 35px; }
    .timeline-dot { left: 12px; }
    
    .tall-item { height: 350px !important; }

    /* Navigasi & Floating */
    .navbar-logo { height: 30px; }
    #musicToggle, #scrollTopBtn { bottom: 15px; width: 45px; height: 45px; }
    #musicToggle { left: 15px; }
    #scrollTopBtn { right: 15px; }
}

/* --- SMALL SMARTPHONE (Max Width: 575px) --- */
@media (max-width: 575.98px) {
    .hero-section .display-4 { font-size: 1.5rem !important; }
    .navbar-brand span { font-size: 0.9rem !important; letter-spacing: 1px !important; }
    .navbar-brand small { font-size: 8px !important; }
    
    /* Padding Card lebih kecil agar teks tidak terpotong */
    .glass-card, .speaker-info-box { padding: 1.25rem; }
}