/* ==================================== */
/* GLOBAL VARIABLES (ULTIMATE CYBERPUNK) */
/* ==================================== */
:root {
    --color-neon-purple: #ae00ff;
    --color-neon-blue: #00e5ff; 
    --color-bg-deep: #05000a;
    --color-text-light: #e0e0e0;
    --font-heading: 'Press Start 2P', cursive;
    --font-body: 'Share Tech Mono', monospace;
    
    --shadow-purple-deep: 0 0 25px rgba(174, 0, 255, 0.9), 0 0 50px rgba(174, 0, 255, 0.5), 0 0 80px rgba(174, 0, 255, 0.2);
    --shadow-blue-deep: 0 0 20px rgba(0, 229, 255, 0.8), 0 0 40px rgba(0, 229, 255, 0.4);
    
    --transition-ease-in-out-quad: 0.4s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    --transition-ease-out-expo: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    --transition-ease-in-out-quart: 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

body {
    font-family: var(--font-body);
    color: var(--color-text-light);
    background-color: var(--color-bg-deep);
    margin: 0;
    padding-top: 80px;
    overflow-x: hidden;
}

/* ===== HEADER BASE (ULTIMATE CYBERPUNK) ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to right, rgba(15,0,25,0.9), rgba(0,0,0,0.9), rgba(15,0,25,0.9));
    backdrop-filter: blur(18px);
    border-bottom: 3px solid var(--color-neon-purple);
    box-shadow: 0 0 15px rgba(174, 0, 255, 0.5);
    z-index: 9999;
    transition: background var(--transition-ease-in-out-quad), border-bottom var(--transition-ease-in-out-quad), box-shadow var(--transition-ease-in-out-quad);
    will-change: background, border-bottom, box-shadow, transform;
    transform: translateY(0);
}

.navbar.scrolled {
    background: linear-gradient(to right, var(--color-bg-deep), rgba(0,0,0,0.95), var(--color-bg-deep));
    border-bottom-color: var(--color-neon-blue);
    box-shadow: var(--shadow-blue-deep);
    transform: translateY(-5px);
}

/* Efek garis glitch di bawah navbar */
.navbar::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 5px;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        var(--color-neon-purple) 5px,
        var(--color-neon-purple) 10px
    );
    opacity: 0.3;
    animation: glitch-line 5s infinite linear alternate;
    pointer-events: none;
}

.navbar.scrolled::before {
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        var(--color-neon-blue) 5px,
        var(--color-neon-blue) 10px
    );
    opacity: 0.5;
    animation: glitch-line-blue 5s infinite linear alternate;
}

/* Container */
.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 35px;
    max-width: 1600px;
    margin: auto;
    position: relative;
}

/* Logo */
.navbar-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 38px; /* Atur ketinggian logo di sini */
}

.navbar-logo .full-logo {
    height: 100%;
    width: auto;
    filter: drop-shadow(0 0 10px var(--color-neon-purple)) brightness(1.2);
    transition: filter var(--transition-ease-in-out-quad), transform var(--transition-ease-in-out-quad);
    animation: neon-pulse 3s infinite alternate ease-in-out;
    will-change: filter, transform;
}

.navbar-logo .full-logo:hover {
    filter: drop-shadow(0 0 25px var(--color-neon-blue)) brightness(1.5) hue-rotate(15deg);
    transform: scale(1.08) rotate(-2deg);
    animation: none;
}

/* NAV LINKS */
.navbar-links {
    display: flex;
    align-items: center;
    gap: 40px;
    transition: var(--transition-ease-in-out-quad);
}

.nav-item,
.dropbtn {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-weight: normal;
    text-transform: uppercase;
    font-size: 15px;
    letter-spacing: 1.5px;
    cursor: pointer;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-ease-in-out-quad), text-shadow var(--transition-ease-in-out-quad);
}

.nav-item:hover,
.dropbtn:hover {
    color: var(--color-neon-blue);
    text-shadow: var(--shadow-blue-deep);
}

.nav-item::before,
.dropbtn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 0%;
    height: 2px;
    background: var(--color-neon-purple);
    transform: translateX(-50%);
    transition: width var(--transition-ease-in-out-quad);
    will-change: width, transform;
}

.nav-item::after,
.dropbtn::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-purple));
    transition: width var(--transition-ease-in-out-quad), background var(--transition-ease-in-out-quad);
    will-change: width, transform;
}

.nav-item:hover::before,
.dropbtn:hover::before {
    width: 100%;
}
.nav-item:hover::after,
.dropbtn:hover::after {
    width: 100%;
    background: linear-gradient(90deg, var(--color-neon-purple), var(--color-neon-blue));
}

/* DROPDOWN */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    background: linear-gradient(180deg, rgba(15,0,25,0.98), rgba(0,0,0,0.98));
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-purple-deep);
    transform-origin: top center;
    opacity: 0;
    scale: 0.8;
    transition: opacity var(--transition-ease-out-expo), transform var(--transition-ease-out-expo), scale var(--transition-ease-out-expo), box-shadow var(--transition-ease-in-out-quad);
    will-change: opacity, transform, scale;
    border: 1px solid var(--color-neon-blue);
}

.dropdown-content.show {
    display: block;
    opacity: 1;
    scale: 1;
    transform: translateX(-50%) translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 14px;
    font-family: var(--font-body);
    transition: background var(--transition-ease-in-out-quad), color var(--transition-ease-in-out-quad), padding-left var(--transition-ease-in-out-quad);
    border-bottom: 1px solid rgba(174,0,255,0.1);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background: rgba(0, 229, 255, 0.15);
    color: var(--color-neon-blue);
    padding-left: 30px;
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}

/* TOGGLE (Burger Menu) */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 35px;
    height: 25px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10001;
    will-change: transform;
}

.bar {
    width: 100%;
    height: 3px;
    background: var(--color-neon-purple);
    border-radius: 2px;
    transition: transform var(--transition-ease-in-out-quad), opacity var(--transition-ease-in-out-quad), background var(--transition-ease-in-out-quad);
    box-shadow: 0 0 5px var(--color-neon-purple);
    will-change: transform, opacity;
}

.navbar-toggle:hover .bar {
    background: var(--color-neon-blue);
    box-shadow: 0 0 8px var(--color-neon-blue);
}

.navbar-toggle.open .bar:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: var(--color-neon-blue);
}
.navbar-toggle.open .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}
.navbar-toggle.open .bar:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--color-neon-blue);
}

/* MOBILE RESPONSIVENESS (Di bawah 992px) */
@media (max-width: 992px) {
  .navbar-container {
    flex-wrap: wrap;
    padding: 15px 20px;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-links {
    display: flex;
    flex-direction: column;
        /* >>> BARIS PENTING DITAMBAHKAN/DIREVISI DI SINI <<< */
    align-items: flex-end; /* (flex-start)rata kiri, (flex-end)rata kanan  */
        /* >>> AKHIR REVISI <<< */
    width: 100%;
    background: linear-gradient(180deg, rgba(15,0,25,0.95), rgba(0,0,0,0.95));
    border-top: 2px solid var(--color-neon-purple);
    position: absolute;
    top: 100%;
    left: 0;
    padding: 15px 0;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);

    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: opacity var(--transition-ease-in-out-quad), transform var(--transition-ease-in-out-quad);
    will-change: opacity, transform;
  }

  .navbar-links.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
  }

  .nav-item,
  .dropbtn {
    width: 100%;
    text-align: right;
    padding: 15px 35px;
    border-bottom: 1px dashed rgba(174,0,255,0.1);
    font-size: 16px;
    text-shadow: 0 0 5px rgba(174,0,255,0.4);
  }
  .nav-item:last-of-type,
  .dropdown:last-of-type .dropbtn {
    border-bottom: none;
  }

  .nav-item::before, .nav-item::after,
  .dropbtn::before, .dropbtn::after {
    display: none;
  }

  .dropdown-content {
    position: static;
    transform: none;
    box-shadow: none;
    border-radius: 0;
    display: none;
    opacity: 1;
    border: none;
    background: rgba(0,0,0,0.5);
    padding: 5px 0 10px 0;
    transform-origin: center;
    scale: 1;
    transition: height var(--transition-ease-in-out-quad);
    will-change: height;
    height: 0;
    overflow: hidden;
  }
  .dropdown-content.show {
    display: block;
    height: auto;
    max-height: 500px;
  }
  .dropdown-content a {
    padding-left: 20px;
    padding-right: 60px;
    text-align: right;
    font-size: 14px;
    border-bottom: 1px solid rgba(0,229,255,0.08);
  }
  .dropdown-content a:hover {
    padding-right: 65px;
    background: rgba(0,229,255,0.1);
  }
}

/* ==================================== */
/* KEYFRAME ANIMATIONS */
/* ==================================== */

@keyframes neon-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--color-neon-purple)) brightness(1.2);
    }
    50% {
        filter: drop-shadow(0 0 18px var(--color-neon-blue)) brightness(1.4);
    }
}

@keyframes glitch-line {
    0% { background-position: 0% 0; }
    100% { background-position: 100% 0; }
}
@keyframes glitch-line-blue {
    0% { background-position: 0% 0; }
    100% { background-position: 100% 0; }
}