/*
 * =================================================================
 * [1. FONT & ROOT VARIABLES]
 * =================================================================
 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;800&family=Poppins:wght@300;400;600&display=swap');

:root {
  /* Warna utama (Neon Cyberpunk) */
  --primary: #38ddf8;    /* Biru Neon (Active/Accent) */
  --secondary: #ff00ff;  /* Magenta Neon (Glow/Secondary) */
  --dark: #07070a;       /* Latar Belakang Sangat Gelap */
  --medium-dark: #12121c;/* Latar Belakang Medium */
  --light: #f1f1f1;      /* Teks Utama */
  --bg-gradient: radial-gradient(circle at top, #111 0%, #07070a 100%);
  
  /* Efek Cahaya (Glow) */
  --neon-glow-primary: 0 0 10px var(--primary), 0 0 30px rgba(56,221,248,0.7);
  --neon-glow-secondary: 0 0 10px var(--secondary), 0 0 30px rgba(255,0,255,0.7);
  --text-glow: 0 0 5px rgba(255, 255, 255, 0.5);
  --box-shadow-edge: 0 0 0 2px var(--primary), 0 0 15px rgba(56,221,248,0.4);
  
  /* Transisi */
  --transition-smooth: 0.5s cubic-bezier(0.65, 0.05, 0.36, 1); /* Lebih smooth */
}

/*
 * =================================================================
 * [2. GLOBAL STYLING & CORE LAYOUT]
 * =================================================================
 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-gradient);
  color: var(--light);
  overflow-x: hidden;
  position: relative;
  line-height: 1.8;
}

/* Penambahan Spasi Lebih Banyak */
section {
  min-height: 100vh;
  padding: 120px 80px; /* Spasi yang sangat banyak */
  margin: 0 auto;
  max-width: 1400px; /* Konten tidak terlalu lebar di layar besar */
}

/* Headers dan Separator */
h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.2rem;
    margin-bottom: 60px;
    color: var(--primary);
    text-shadow: var(--neon-glow-primary);
    position: relative;
    letter-spacing: 3px;
    text-transform: uppercase;
    line-height: 1.2;
}

h2 span {
    color: var(--secondary);
}

h2::after {
    content: '';
    display: block;
    width: 150px; /* Lebih panjang */
    height: 4px; /* Lebih tebal */
    background: linear-gradient(90deg, var(--secondary), transparent);
    margin: 20px 0 0;
    box-shadow: var(--neon-glow-secondary);
}

p {
    max-width: 900px;
    margin: 25px auto; /* Spasi lebih banyak */
    font-size: 1.15rem;
    color: #ccc;
}

/* Parallax Ringan pada Section */
section {
    background-color: var(--medium-dark);
    border-bottom: 1px solid rgba(56,221,248,0.1);
    /* Efek Parallax Ringan */
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

/*
 * =================================================================
 * [3. INTRO SCREEN (SPLASH SCREEN)] - SANGAT EPIK
 * =================================================================
 */
.intro-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 1.5s ease-out; /* Transisi penutup */
}
/* Kelas yang ditambahkan JS saat siap ditutup */
.intro-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.intro-logo-container {
    text-align: center;
    animation: fadePulse 4s infinite alternate;
}

.intro-logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(56,221,248,0.9), 0 0 40px rgba(56,221,248,0.7), 0 0 80px rgba(56,221,248,0.4);
    letter-spacing: 5px;
    margin-bottom: 20px;
    transform: rotateX(10deg); /* Efek 3D */
    transition: transform 0.5s;
}

.intro-tagline {
    font-size: 1.5rem;
    color: var(--secondary);
    text-shadow: var(--neon-glow-secondary);
    animation: typing 3s steps(30) 1s forwards, blink-caret 0.75s step-end infinite;
    overflow: hidden;
    white-space: nowrap;
    width: 0;
    border-right: .15em solid var(--secondary);
    margin: 40px auto 15px;
}

.loading-bar {
    width: 300px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin: 20px auto;
    overflow: hidden;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
}

.loading-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    box-shadow: var(--neon-glow-primary);
    animation: loadingAnim 3s ease-in-out forwards;
}

.tap-start {
    font-size: 1rem;
    color: #999;
    margin-top: 50px;
    opacity: 0;
    animation: fadeIn 1s 4s forwards;
}

@keyframes fadePulse {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}
@keyframes loadingAnim {
    0% { width: 0%; }
    100% { width: 100%; }
}
@keyframes fadeIn {
    to { opacity: 1; }
}

/*
 * =================================================================
 * [4. SIDEBAR NAVIGATION (MENU)] - MINIMALIS
 * =================================================================
 */

/* Tombol Toggle Menu (Hanya Ikon) */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: fixed;
  top: 35px;
  left: 35px;
  z-index: 1100;
  background: rgba(10,10,15,0.8);
  padding: 8px;
  border-radius: 4px;
  border: 1px solid var(--primary);
  transition: var(--transition-smooth);
}
.menu-toggle:hover {
    border-color: var(--secondary);
    box-shadow: 0 0 10px var(--secondary);
}

.icon-line {
    display: block;
    width: 100%;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform 0.4s, background 0.4s, opacity 0.4s;
}

/* Animasi Close (X) */
#sidebar.active ~ .menu-toggle .icon-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: var(--secondary);
}
#sidebar.active ~ .menu-toggle .icon-line:nth-child(2) {
    opacity: 0;
}
#sidebar.active ~ .menu-toggle .icon-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--secondary);
}

/* --- ANIMASI MENU STAGGERED & STRUKTUR AKTIF --- */

.sidebar-inner { 
    padding: 60px 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#sidebar .logo {
    margin-bottom: 80px; 
    padding: 0 40px;
    width: 100%;
    text-align: center;
    animation: neonFlicker 2s infinite alternate; /* Animasi Flicker pada Logo */
}

#sidebar nav {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0 40px;
  gap: 25px; 
  margin-bottom: 80px;
}

#sidebar nav a {
  /* ... (gaya sebelumnya) ... */
  width: 100%;
  text-align: left; /* Rata kiri */
  
  /* Status Awal Animasi Staggered: Tersembunyi */
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Animasi Staggered (Berurutan) saat Menu Aktif */
#sidebar.active .nav-item:nth-child(1) { opacity: 1; transform: translateX(0); transition-delay: 0.1s; }
#sidebar.active .nav-item:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 0.2s; }
#sidebar.active .nav-item:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 0.3s; }
#sidebar.active .nav-item:nth-child(4) { opacity: 1; transform: translateX(0); transition-delay: 0.4s; }
#sidebar.active .nav-item:nth-child(5) { opacity: 1; transform: translateX(0); transition-delay: 0.5s; }

/* Garis Dekoratif */
.decor-line {
    width: 80%; 
    height: 8px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    box-shadow: var(--neon-glow-secondary);
    opacity: 0;
    transition: opacity 0.5s ease-out 0.2s;
}

#sidebar.active .decor-line {
    opacity: 1;
    animation: neonFlicker 3s infinite alternate; 
}

.sidebar-footer {
    font-size: 0.8rem;
    color: #555;
    margin-top: auto; 
    animation: pulseColor 5s infinite alternate;
}

/* Keyframe untuk Flicker Logo dan Garis */
@keyframes neonFlicker {
  0%, 100% { text-shadow: var(--neon-glow-primary); filter: brightness(1); opacity: 1; }
  50% { text-shadow: none; filter: brightness(0.8); opacity: 0.95; }
}

/* Sidebar Styling - Efek Blur lebih Kuat & Transisi Terseret */
#sidebar {
  position: fixed;
  top: 0;
  left: -320px; /* <--- PASTIKAN INI ADA! Ini yang menyembunyikan menu. */
  height: 100%;
  width: 320px;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(18px) brightness(0.6);
  border-right: 4px solid rgba(56,221,248,0.5);
  padding: 60px 40px;
  
  /* Tambahkan Z-INDEX TINGGI */
  z-index: 1050; 
  
  /* Transformasi untuk efek 3D (Pastikan transisi mencakup transform) */
  transform: translateX(0) rotateY(15deg) scaleX(0.95);
  transform-origin: left;
  transition: left var(--transition-smooth), transform var(--transition-smooth);
}

/* Sidebar Aktif (Muncul) - Perubahan Transform */
#sidebar.active {
  left: 0;
  box-shadow: 10px 0 40px rgba(56,221,248,0.7);
  /* Transform direset saat aktif (terseret ke depan) */
  transform: translateX(0) rotateY(0deg) scaleX(1);
}

/* MAIN CONTENT - BLUR MAKSIMAL DENGAN SKALA */
.main-content {
  padding: 0; 
  /* Tambahkan transisi filter untuk blur */
  transition: filter var(--transition-smooth), transform var(--transition-smooth);
}

/* Saat sidebar aktif, blur, sedikit gelap, dan dorong konten menjauh (Parallax 3D) */
#sidebar.active ~ .main-content {
  filter: blur(8px) brightness(0.5); /* Blur lebih dramatis */
  pointer-events: none; 
  /* Parallax: dorong ke kanan dan skala/perspektif */
  transform: translateX(50px) perspective(800px) scale(0.96) rotateY(-1deg); 
}


/*
 * =================================================================
 * [5. BUTTONS (BTN) & FORM ELEMENTS] - EFEK GLOW GANDA
 * =================================================================
 */
.btn {
  /* Gaya Dasar */
  border: 2px solid var(--primary);
  padding: 16px 35px; /* Lebih besar */
  border-radius: 8px; /* Lebih kotak (Edge) */
  margin: 25px 20px;
  box-shadow: var(--neon-glow-primary);
  transition: all var(--transition-smooth);
  transform: perspective(1000px) rotateX(0deg);
}

/* Tombol Primary Glow */
.btn-primary-glow {
    background: rgba(56,221,248, 0.15);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--neon-glow-primary);
}
.btn-primary-glow:hover {
    background: var(--primary);
    color: var(--dark);
    box-shadow: 0 0 50px var(--primary), 0 0 80px rgba(56,221,248,0.8);
    transform: translateY(-5px) scale(1.05) rotateX(5deg);
}

/* Tombol Secondary Glow */
.btn-secondary-glow {
    background: rgba(255,0,255, 0.15);
    color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: var(--neon-glow-secondary);
}
.btn-secondary-glow:hover {
    background: var(--secondary);
    color: var(--dark);
    box-shadow: 0 0 50px var(--secondary), 0 0 80px rgba(255,0,255,0.8);
    transform: translateY(-5px) scale(1.05) rotateX(5deg);
}

/*
 * =================================================================
 * [6. SECTION STYLING (DEMO, ABOUT, TEAM, FUN)]
 * =================================================================
 */

/* DEMO Section */
.demo {
    text-align: center;
}
.demo video {
  max-width: 900px;
  border: 6px solid var(--primary); /* Edge lebih tebal */
  box-shadow: 0 0 60px rgba(56,221,248,0.8);
  animation: floatVid 8s ease-in-out infinite, glowingBorder 4s infinite alternate;
}

.output-container {
    padding: 30px 0;
    border-top: 1px dashed var(--secondary);
    border-bottom: 1px dashed var(--secondary);
    margin: 40px auto;
    max-width: 800px;
}

.neon-output {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    text-shadow: var(--neon-glow-secondary);
    margin: 10px auto;
}

/* ABOUT Section (Feature List) */
.feature-list {
    list-style: none;
    max-width: 900px;
    margin: 40px auto;
    padding-left: 0;
}
.feature-list li {
    font-size: 1.2rem;
    margin: 20px 0;
    position: relative;
    padding-left: 30px;
    color: var(--light);
}
.feature-list li::before {
    content: '>>';
    position: absolute;
    left: 0;
    color: var(--primary);
    text-shadow: var(--neon-glow-primary);
    animation: slideInLeft 1s ease-out;
}
.about-conclusion {
    margin-top: 50px;
    border-top: 2px solid var(--primary);
    padding-top: 30px;
    font-style: italic;
    color: var(--secondary);
}



/* -------------------------------------
   [TEAM SECTION - DETAIL & 3D HOVER]
   ------------------------------------- */

.member {
  padding: 50px 30px;
  width: 350px;
  /* Atur efek 3D default (Perspektif) */
  transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

/* Container untuk detail yang muncul */
.member-details {
    position: absolute;
    bottom: -100%; /* Sembunyikan di bawah */
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    transition: bottom var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    z-index: 10;
}

/* Keterangan: Detail yang terpisah (Sekolah & Jabatan) */
.member-details p {
    font-size: 1rem;
    color: var(--primary);
    margin: 10px 0;
    text-shadow: var(--text-glow);
}

/* Efek 3D/Edge saat Hover */
.member:hover {
    box-shadow: 0 0 50px var(--secondary), 0 0 20px var(--primary);
    border-color: var(--primary);
    /* Rotasi 3D saat hover */
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) scale(1.05);
}

/* Tampilkan Detail saat Hover */
.member:hover .member-details {
    bottom: 0; /* Tarik ke atas */
    opacity: 1;
    pointer-events: auto;
}

/* Sembunyikan informasi asli saat detail muncul */
.member:hover .scrolling-h3, .member:hover .role-original {
    opacity: 0;
    transition: opacity 0.3s;
}

/* Styling untuk Detail yang muncul */
.detail-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--secondary);
    text-shadow: var(--neon-glow-secondary);
    margin-bottom: 20px;
}

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

.member p.role {
    font-style: italic;
    color: var(--secondary);
    margin-top: 10px;
}

/* FUN Section */
.neon-motivation {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  text-shadow: var(--neon-glow-secondary);
  animation: pulseColor 4s infinite alternate; /* Animasi warna neon */
}
@keyframes pulseColor {
    0% { color: var(--secondary); text-shadow: var(--neon-glow-secondary); }
    100% { color: var(--primary); text-shadow: var(--neon-glow-primary); }
}

/*
 * =================================================================
 * [7. ANIMATION KEYFRAMES] - UPDATE
 * =================================================================
 */
/* Reveal on Scroll (Lebih smooth dan 3D) */
.reveal {
  opacity: 0;
  transform: translateY(120px) scale(0.9) rotateX(15deg); /* Efek 3D lebih dramatis */
  transition: all 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0) scale(1) rotateX(0deg);
}

/* Keyframe lain */
@keyframes glowingBorder {
  0% { border-color: var(--primary); box-shadow: 0 0 50px rgba(56,221,248,0.8); }
  50% { border-color: var(--secondary); box-shadow: 0 0 70px rgba(255,0,255,0.8); }
  100% { border-color: var(--primary); box-shadow: 0 0 50px rgba(56,221,248,0.8); }
}

@keyframes slideInLeft {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/*
 * =================================================================
 * [8. RESPONSIVE DESIGN]
 * =================================================================
 */
@media (max-width: 1024px) {
    section {
        padding: 100px 30px;
    }
    h2 {
        font-size: 2.5rem;
    }
    .intro-logo-text {
        font-size: 3rem;
    }
    .intro-tagline {
        font-size: 1rem;
    }
    .member {
        width: 45%;
        min-width: 280px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        top: 20px;
        left: 20px;
    }
    #sidebar {
        width: 250px;
    }
    .hero h2 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .team-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    .member {
        width: 90%;
    }
    .scrolling-h3 {
        /* Menonaktifkan marquee di mobile (nama panjang bisa aneh) */
        overflow: visible;
        white-space: normal;
        animation: none !important;
    }
}