/* Import Google Font untuk kesan Premium */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

:root {
    --rt-blue: #0066FF;
    --rt-red: #FF3B30;
    --rt-white: #FFFFFF;
    --rt-dark: #0F172A;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
    color: var(--rt-dark);
    background-color: var(--rt-white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--rt-blue);
    border-radius: 10px;
}

/* Glassmorphism Effect untuk Layout */
.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
}

/* Premium Card Effect */
.rt-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.rt-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
    border-color: var(--rt-blue);
}

/* Button Premium Class */
.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-premium:after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-premium:hover:after {
    left: 100%;
}

/* Typography Accent */
.text-gradient {
    background: linear-gradient(135deg, var(--rt-blue) 0%, var(--rt-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Badge untuk pembeda Web Biasa vs Framework */
.badge-service {
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-blue { background: rgba(0, 102, 255, 0.1); color: var(--rt-blue); }
.badge-red { background: rgba(255, 59, 48, 0.1); color: var(--rt-red); }

/* Animasi sederhana untuk elemen saat muncul */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-premium {
    animation: fadeInUp 0.8s ease forwards;
}

/* Efek Glassmorphism Premium */
.glass-card-blue {
    background: rgba(0, 102, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.glass-card-red {
    background: rgba(255, 59, 48, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 59, 48, 0.2);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Efek Hover Ngambang & Double Shadow */
.card-premium:hover {
    transform: translateY(-15px) scale(1.02);
    /* Shadow hitam menjurus ke bawah + glow putih di sekitar */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 
                0 0 20px 5px rgba(255, 255, 255, 0.1);
}

/* Animasi Glow pada Border saat Hover */
.glass-card-blue:hover { border-color: rgba(0, 102, 255, 0.8); }
.glass-card-red:hover { border-color: rgba(255, 59, 48, 0.8); }