:root {
    --bg-color: #0b0c0e;
    --text-color: #f3f4f6;
    --text-muted: #8e939e;
    --accent-color: #2dd4bf;
    --accent-gradient: linear-gradient(135deg, #38bdf8, #2dd4bf);
    --card-bg: rgba(17, 18, 20, 0.7);
    --card-border: rgba(255, 255, 255, 0.04);
    --navbar-bg: rgba(17, 18, 20, 0.2);
    --hamburger-color: #ffffff;
    
    --grid-color: rgba(255, 255, 255, 0.04);
}

body.light-mode {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --text-muted: #475569;
    --accent-color: #0d9488;
    --accent-gradient: linear-gradient(135deg, #0284c7, #0d9488);
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(15, 23, 42, 0.06);
    --navbar-bg: rgba(255, 255, 255, 0.3);
    --hamburger-color: #0f172a;
    
    /* Warna garis kotak untuk mode terang */
    --grid-color: rgba(15, 23, 42, 0.04);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

.font-mono { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-padding { padding: 90px 0; }

#hero {
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: center top;
    
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0) 100%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0) 100%);
    
    pointer-events: none;
    z-index: 0;
}

#hero .container {
    position: relative;
    z-index: 1;
}

@media (max-width: 992px) {
    #hero .lead {
        font-size: 16px !important;
    }
}

.marquee-container {
    display: flex;
    overflow: hidden;
    user-select: none;
    position: relative;
    width: 100%;
    padding: 12px 0;
}

.marquee-container::before,
.marquee-container::after {
    content: "";
    height: 100%;
    position: absolute;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}
.marquee-container::before {
    left: 0; top: 0;
    background: linear-gradient(to right, var(--bg-color), transparent);
}
.marquee-container::after {
    right: 0; top: 0;
    background: linear-gradient(to left, var(--bg-color), transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: scrollMarquee 25s linear infinite;
}

.marquee-container:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    padding-right: 24px;
    flex-shrink: 0;
}

.stack-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 12px 24px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.stack-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.stack-item i {
    font-size: 1.4rem;
}

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

.navbar {
    margin-top: 20px;
    width: calc(100% - 32px);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 24px;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);

    z-index: 10000 !important;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.navbar.scrolled {
    margin-top: 0;
    border-radius: 0px;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    border-top: none;
    border-left: none;
    border-right: none;
    padding: 16px 40px;
    position: fixed;
    top: 0;
    
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

@media (max-width: 768px) {
    .navbar {
        padding: 12px 20px;
        width: calc(100% - 24px);
    }
    .navbar.scrolled {
        padding: 12px 20px;
    }
}

.navbar-brand, .nav-link { color: var(--text-color) !important; font-weight: 600; font-size: 0.9rem; }
.nav-link:hover { color: var(--accent-color) !important; }

@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--card-border);
    }
}

.navbar-toggler {
    padding: 4px;
    font-size: 1.25rem;
    color: var(--hamburger-color) !important;
}

/* Tombol Modern */
.btn-modern {
    background: var(--accent-gradient);
    color: #0b0c0e !important;
    font-weight: 600;
    border-radius: 12px;
    padding: 14px 30px;
    border: none;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(45, 212, 191, 0.2);
    transition: all 0.3s ease;
}
.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 212, 191, 0.35);
    filter: brightness(1.05);
}

body.light-mode .btn-modern {color: #FFFFFF !important;}

.btn-outline-modern {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--card-border);
    font-weight: 600;
    border-radius: 12px;
    padding: 14px 30px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}
.btn-outline-modern:hover {
    border-color: var(--accent-color);
    background: rgba(45, 212, 191, 0.02);
    color: var(--accent-color);
}

.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 35px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 24px;
    padding: 1px;
    background: transparent;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: background 0.4s ease;
}

.bento-card:hover { transform: translateY(-4px); }
.bento-card:hover::before { background: var(--accent-gradient); }

/* Code Terminal Mockup */
.terminal-window {
    background: #111215;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    overflow: hidden;
}
.terminal-header {
    background: #090a0c;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.01);
}
.terminal-dots { display: flex; gap: 8px; }
.tdot { width: 10px; height: 10px; border-radius: 50%; }

/* Carousel Indicators */
.carousel-indicators-modern {
    position: static;
    margin-top: 30px;
    justify-content: center;
    gap: 10px;
}
.carousel-indicators-modern [data-bs-target] {
    width: 32px;
    height: 3px;
    border: none;
    background-color: var(--text-muted);
    opacity: 0.2;
    transition: all 0.3s ease;
}
.carousel-indicators-modern .active {
    width: 56px;
    background: var(--accent-gradient);
    opacity: 1;
}

/* Form Controls */
.form-control {
    background: rgba(0, 0, 0, 0.12);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    border-radius: 12px;
    padding: 16px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}
body.light-mode .form-control { background: rgba(0, 0, 0, 0.02); }
.form-control:focus {
    background: rgba(0, 0, 0, 0.15);
    color: var(--text-color);
    border-color: var(--accent-color);
    box-shadow: none;
}

.text-cflex {color: #444;}
.text-dflex {color: #555;}

#theme-toggle { cursor: pointer; font-size: 1.1rem; }