/* CSS Variables for Theme Switching */
:root {
    /* Dark Neon (Default) */
    --bg-main: #0B1120;
    --bg-secondary: #050816;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --accent-cyan: #00F0FF;
    --accent-purple: #8A2BE2;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 32px rgba(0, 240, 255, 0.05);
    --glow-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    --blob-1: rgba(0, 240, 255, 0.15);
    --blob-2: rgba(138, 43, 226, 0.15);
}

:root.theme-sunny {
    /* Sunny Neon */
    --bg-main: #F8FAFC;
    --bg-secondary: #E2E8F0;
    --text-main: #0F172A;
    --text-muted: #475569;
    --accent-cyan: #0284C7;
    --accent-purple: #7C3AED;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(0, 0, 0, 0.05);
    --glass-hover: rgba(255, 255, 255, 0.9);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --glow-shadow: 0 0 20px rgba(2, 132, 199, 0.3);
    --blob-1: rgba(2, 132, 199, 0.2);
    --blob-2: rgba(124, 58, 237, 0.2);
}

/* Global Styles */
body {
    background-color: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
    transition: all 0.4s ease;
}
.glass-card:hover {
    background: var(--glass-hover);
    transform: translateY(-5px);
    box-shadow: var(--glow-shadow);
    border-color: var(--accent-cyan);
}
.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

/* Animated Background Blobs */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
    animation: float 10s infinite ease-in-out alternate;
}
.blob-1 {
    background: var(--blob-1);
    width: 400px; height: 400px;
    top: -10%; left: -10%;
}
.blob-2 {
    background: var(--blob-2);
    width: 500px; height: 500px;
    bottom: -10%; right: -10%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(to right, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-purple));
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
    transform: translateY(-2px);
}
.btn-outline {
    border: 1px solid var(--accent-cyan);
    color: var(--text-main);
    transition: all 0.3s ease;
}
.btn-outline:hover {
    background: var(--accent-cyan);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 10px; }

/* Timeline */
.timeline-line {
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}
.timeline-dot {
    position: absolute;
    left: -6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

/* Theme Toggle Icon Transition */
#theme-icon { transition: transform 0.5s ease, opacity 0.3s ease; }
#theme-toggle:hover #theme-icon { transform: rotate(15deg) scale(1.1); }

/* Tools Ribbon Carousel */
.marquee-wrapper {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    padding: 1rem 0;
}
.marquee-track {
    display: flex;
    flex-shrink: 0;
    gap: 1.5rem;
    padding-right: 1.5rem;
    animation: marquee 30s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}
.tool-box {
    width: 80px;
    height: 80px;
    background: #ffffff; /* Memastikan JPG background putih terlihat natural */
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.tool-box:hover {
    transform: scale(1.1);
    box-shadow: var(--glow-shadow);
}
.tool-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}
.tool-box:hover .tool-img {
    filter: grayscale(0%);
}

/* Cursor Glow (Desktop Only) */
@media (min-width: 1024px) {
    .cursor-glow {
        width: 400px; height: 400px;
        background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 60%);
        position: fixed; top: 0; left: 0;
        pointer-events: none; opacity: 0.05;
        transform: translate(-50%, -50%);
        z-index: -1; transition: opacity 0.3s;
    }
}