:root {
    /* Tema Terang / Cerah (Light Mode) */
    --bg-main: #f4f7fb; /* Putih kebiruan sangat lembut */
    --surface: rgba(255, 255, 255, 0.7);
    --surface-hover: rgba(255, 255, 255, 0.95);
    --border: rgba(0, 0, 0, 0.05);
    --border-hover: rgba(0, 0, 0, 0.15);
    --text-main: #0f172a; /* Hitam elegan */
    --text-muted: #64748b; /* Abu-abu kebiruan */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated Mesh Gradient Background - Pastel/Cerah */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-main);
}

.ambient-glow::before,
.ambient-glow::after,
.ambient-glow .secondary {
    content: '';
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: floatOrb 25s infinite alternate ease-in-out;
}

.ambient-glow::before {
    top: -20%;
    left: -10%;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 60%);
}

.ambient-glow::after {
    bottom: -20%;
    right: -10%;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 60%);
    animation-delay: -5s;
}

.ambient-glow .secondary {
    top: 30%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 60%);
    animation-delay: -10s;
    opacity: 0.25;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 15%) scale(1.1); }
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.02);
}

.nav-links a:hover {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.05);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10rem 5% 4rem;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 6rem;
    animation: fadeInScale 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 32px;
    margin-bottom: 1.5rem;
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.25);
    border: 4px solid rgba(255, 255, 255, 0.8);
    transition: transform 0.3s ease;
}

.hero-logo:hover {
    transform: scale(1.05) translateY(-5px);
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    color: var(--text-main);
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-blue) 0%, var(--accent-purple) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to { background-position: 200% center; }
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto;
    font-weight: 400;
}

/* Ultra Premium Bento Grid - Light Mode */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04), inset 0 0 0 1px rgba(255,255,255,0.5);
}

/* Card Glow Effect - Disesuaikan untuk warna terang */
.card-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    top: -120px;
    right: -120px;
    opacity: 0;
    transition: opacity 0.5s ease;
    filter: blur(50px);
    z-index: 0;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    background: var(--surface-hover);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08), inset 0 0 0 1px rgba(255,255,255,1);
}

.project-card:hover .card-glow {
    opacity: 0.15;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.5s ease;
}

.card-icon {
    font-size: 1.8rem;
    color: var(--text-muted);
    transition: all 0.5s ease;
}

.project-card:hover .icon-wrapper {
    background: #ffffff;
    transform: scale(1.1) rotate(5deg);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
}

.project-card:hover .card-icon {
    color: var(--accent-blue);
}

/* Bikin icon beda warna tiap card secara unik */
.project-card:nth-child(2):hover .icon-wrapper { border-color: var(--accent-purple); box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2); }
.project-card:nth-child(2):hover .card-icon { color: var(--accent-purple); }

.project-card:nth-child(3):hover .icon-wrapper { border-color: var(--accent-pink); box-shadow: 0 10px 25px rgba(236, 72, 153, 0.2); }
.project-card:nth-child(3):hover .card-icon { color: var(--accent-pink); }

.card-arrow {
    font-size: 1.2rem;
    color: var(--text-muted);
    opacity: 0;
    transform: translate(-15px, 15px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(0, 0, 0, 0.04);
    padding: 0.5rem;
    border-radius: 50%;
}

.project-card:hover .card-arrow {
    opacity: 1;
    transform: translate(0, 0);
    color: #ffffff;
    background: var(--accent-blue);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.project-card:nth-child(2):hover .card-arrow { background: var(--accent-purple); box-shadow: 0 5px 15px rgba(139, 92, 246, 0.3); }
.project-card:nth-child(3):hover .card-arrow { background: var(--accent-pink); box-shadow: 0 5px 15px rgba(236, 72, 153, 0.3); }

.card-content {
    position: relative;
    z-index: 1;
}

.card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.card-desc {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 400;
}

/* Animations */
@keyframes fadeInScale {
    from { opacity: 0; transform: translateY(-30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.3);
}

/* Specific Sizes for Bento */
@media (min-width: 900px) {
    .project-card:nth-child(1) { grid-column: span 2; }
}