* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    }
    
    body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    }
    
    /* Robot & Gear Animations */
    @keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
    }
    
    @keyframes robot-walk {
    0%, 100% { transform: translateX(-10px) rotate(-2deg); }
    50% { transform: translateX(10px) rotate(2deg); }
    }
    
    @keyframes sensor-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(68, 136, 255, 0.7);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 10px rgba(68, 136, 255, 0);
    }
    }
    
    @keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-30px); }
    60% { transform: translateY(-15px); }
    }
    
    @keyframes building {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
    }
    
    @keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
    }
    
    @keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
    }
    
    @keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
    }
    
    @keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
    }
    
    @keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
    }
    
    @keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(-100px);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
    }
    
    @keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
    }
    
    @keyframes float-gentle {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    }
    
    /* Page Load Animations */
    .hero-content {
    animation: fadeInDown 1s ease-out;
    }
    
    .hero-badge {
    animation: zoomIn 0.8s ease-out 0.3s both;
    }
    
    .hero h1 {
    animation: fadeInUp 1s ease-out 0.5s both;
    }
    
    .hero p {
    animation: fadeInUp 1s ease-out 0.7s both;
    }
    
    .robot-showcase {
    animation: fadeInUp 1s ease-out 0.9s both;
    }
    
    /* Content Grid Page Load Animation */
    .content-block:nth-child(1) {
    animation: slideInFromLeft 1s ease-out 1.2s both;
    }
    
    .content-block:nth-child(2) {
    animation: slideInFromRight 1s ease-out 1.4s both;
    }
    
    /* Floating Robot Decorations */
    .floating-robots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    }
    
    .floating-robot {
    position: absolute;
    font-size: 2rem;
    animation: float-gentle 6s ease-in-out infinite;
    opacity: 0.15;
    }
    
    .floating-robot:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
    .floating-robot:nth-child(2) { top: 35%; right: 12%; animation-delay: 1s; }
    .floating-robot:nth-child(3) { top: 65%; left: 15%; animation-delay: 2s; }
    .floating-robot:nth-child(4) { top: 85%; right: 20%; animation-delay: 3s; }
    .floating-robot:nth-child(5) { top: 25%; left: 5%; animation-delay: 4s; }
    .floating-robot:nth-child(6) { top: 75%; right: 8%; animation-delay: 5s; }
    
 /* Hero Background with Image */
.hero-bg {
    position: relative;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(45, 90, 160, 0.85), rgba(26, 54, 93, 0.85));
    z-index: 0;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: subtle-float 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes subtle-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
    
    /* Hero Section */
    .hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    }
    
    .hero-content {
    z-index: 10;
    max-width: 800px;
    padding: 0 2rem;
    }
    
    .hero-badge {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    margin-bottom: 0rem;
    display: inline-block;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    }
    
    .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }
    
    .hero p {
    font-size: 1.3rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    opacity: 0.9;
    }
    
    /* Robot Showcase in Hero */
    .robot-showcase {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    }
    
    .showcase-item {
    font-size: 2.5rem;
    animation: bounce 2s ease-in-out infinite;
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
    }
    
    .showcase-item:hover {
    transform: scale(1.3) translateY(-10px);
    }
    
    .showcase-item:nth-child(1) { animation-delay: 0s; }
    .showcase-item:nth-child(2) { animation-delay: 0.2s; }
    .showcase-item:nth-child(3) { animation-delay: 0.4s; }
    .showcase-item:nth-child(4) { animation-delay: 0.6s; }
    
    /* Content Sections */
    .section {
    padding: 5rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
    }
    
    .section h2 {
    font-size: 2.5rem;
    text-align: left;
    margin-bottom: 3rem;
    color: #1a365d;
    font-weight: bold;
    }
    
    .content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    }
    
    .content-block {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 5px solid #2d5aa0;
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    .content-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }
    
    .content-block h3 {
    color: #2d5aa0;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    }
    
    .content-block p {
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    }
    
    /* Robot Visual Elements */
    .robot-visual {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    opacity: 0;
    transform: scale(0);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    
    .robot-visual.revealed {
    opacity: 1;
    transform: scale(1);
    }
    
    .mini-icon {
    font-size: 1.5rem;
    animation: sensor-pulse 3s ease-in-out infinite;
    cursor: pointer;
    transition: all 0.3s ease;
    }
    
    .mini-icon:hover {
    transform: scale(1.3) rotate(10deg);
    }
    
    .mini-icon:nth-child(1) { animation-delay: 0s; }
    .mini-icon:nth-child(2) { animation-delay: 0.5s; }
    .mini-icon:nth-child(3) { animation-delay: 1s; }
    .mini-icon:nth-child(4) { animation-delay: 1.5s; }
    
    .list {
    list-style: none;
    padding: 0;
    }
    
    .list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #edf2f7;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #4a5568;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s ease-out;
    }
    
    .list li.revealed {
    opacity: 1;
    transform: translateX(0);
    }
    
    .list li:nth-child(1).revealed { transition-delay: 0.1s; }
    .list li:nth-child(2).revealed { transition-delay: 0.2s; }
    .list li:nth-child(3).revealed { transition-delay: 0.3s; }
    .list li:nth-child(4).revealed { transition-delay: 0.4s; }
    .list li:nth-child(5).revealed { transition-delay: 0.5s; }
    .list li:nth-child(6).revealed { transition-delay: 0.6s; }
    
    .list li:last-child {
    border-bottom: none;
    }
    
    .list li i {
    color: #2d5aa0;
    width: 20px;
    text-align: center;
    }
    
    /* Gear Animation */
    .gear-animation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 3rem 0;
    height: 100px;
    }
    
    .gear-icon {
    font-size: 3rem;
    color: #2d5aa0;
    animation: rotate 4s linear infinite;
    cursor: pointer;
    transition: all 0.3s ease;
    }
    
    .gear-icon:hover {
    color: #10b981;
    animation-duration: 1s;
    }
    
    .gear-icon:nth-child(2) {
    animation-direction: reverse;
    animation-duration: 3s;
    color: #10b981;
    }
    
    .gear-icon:nth-child(3) {
    animation-duration: 5s;
    color: #fbbf24;
    }
    
    /* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    position: relative; /* PENTING */
    overflow: hidden;   /* BIAR ::before TIDAK KELUAR */
    
    padding: 1.5rem;
    margin: 0 auto;
    width: 100%;
    border-radius: 15px;
    text-align: center;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;

    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); /* Box shadow default */
}

.card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.card:nth-child(1).revealed { animation: bounceIn 0.6s ease-out 0.1s both; }
.card:nth-child(2).revealed { animation: bounceIn 0.6s ease-out 0.2s both; }
.card:nth-child(3).revealed { animation: bounceIn 0.6s ease-out 0.3s both; }
.card:nth-child(4).revealed { animation: bounceIn 0.6s ease-out 0.4s both; }
.card:nth-child(5).revealed { animation: bounceIn 0.6s ease-out 0.5s both; }

/* Box shadow sesuai warna border card */
.card:nth-child(1) { 
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); /* Merah */
}
.card:nth-child(2) { 
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3); /* Biru */
}
.card:nth-child(3) { 
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3); /* Hijau */
}
.card:nth-child(4) { 
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.3); /* Kuning */
}
.card:nth-child(5) { 
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3); /* Orange */
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    left: -100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.2),
        transparent
    );
    transition: left 0.5s ease;
    pointer-events: none; /* 🔥 INI PENTING */
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Box shadow hover lebih kuat sesuai warna */
.card:nth-child(1):hover { 
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.4); /* Merah */
}
.card:nth-child(2):hover { 
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4); /* Biru */
}
.card:nth-child(3):hover { 
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.4); /* Hijau */
}
.card:nth-child(4):hover { 
    box-shadow: 0 20px 40px rgba(234, 179, 8, 0.4); /* Kuning */
}
.card:nth-child(5):hover { 
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.4); /* Orange */
}

.card:hover::before {
    left: 100%;
}

.card-icon {
    font-size: 3rem;
    color: #2d5aa0;
    margin-bottom: 1rem;
    min-height: 4rem;
    transition: transform 0.6s ease;
}

.card:hover .card-icon {
    transform: scale(1.2) rotateY(360deg);
}
    
    
    .card h3 {
    color: #2d5aa0;
    margin-bottom: 1rem;
    }
    
    /* Enhanced Card with Robot Colors */
    .card:nth-child(1) { border-top: 4px solid #4488ff; }
    .card:nth-child(2) { border-top: 4px solid #10b981; }
    .card:nth-child(3) { border-top: 4px solid #fbbf24; }
    .card:nth-child(4) { border-top: 4px solid #8844ff; }
    .card:nth-child(5) { border-top: 4px solid #ef4444; }
    
 /* Main Title Section */
.main-title {
    color: #2d5aa0;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.main-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: linear-gradient(90deg, #2d5aa0, #4a90e2);
    border-radius: 2px;
}

.main-description {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section Title Left Aligned */
.section-title-left {
    color: #2d5aa0;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    text-align: left;
    position: relative;
    padding-bottom: 0.5rem;
    padding-left: 1rem;
}

.section-title-left::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 40px;
    background: linear-gradient(180deg, #2d5aa0, #4a90e2);
    border-radius: 3px;
}

 /* Tools Grid */
 .tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    }
    
    .tool-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    }
    
    .tool-card.revealed {
    opacity: 1;
    transform: translateY(0);
    }
    
    .tool-card:nth-child(1).revealed { animation: fadeInUp 0.6s ease-out 0.1s both; }
    .tool-card:nth-child(2).revealed { animation: fadeInUp 0.6s ease-out 0.2s both; }
    .tool-card:nth-child(3).revealed { animation: fadeInUp 0.6s ease-out 0.3s both; }
    .tool-card:nth-child(4).revealed { animation: fadeInUp 0.6s ease-out 0.4s both; }
    .tool-card:nth-child(5).revealed { animation: fadeInUp 0.6s ease-out 0.5s both; }
    .tool-card:nth-child(6).revealed { animation: fadeInUp 0.6s ease-out 0.6s both; }
    
    .tool-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }
    
    .tool-icon {
    background: linear-gradient(135deg, #2d5aa0, #1a365d);
    padding: 2rem;
    font-size: 3rem;
    color: white;
    text-align: center;
    }
    
    .tool-content {
    padding: 1.5rem;
    text-align: center;
    }
    
    .tool-content h4 {
    color: #2d5aa0;
    margin-bottom: 0.5rem;
    }
    
    .tool-content p {
    color: #666;
    font-size: 0.9rem;
    }
    
    /* Scroll Reveal Animations */
    .scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    }
    
    .scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 1s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    .scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
    }
    
    .scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 1s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    .scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
    }
    
            /* Responsive */
    @media (max-width: 1090px) {
                .hero {
                    height: 50vh;
                    min-height: 400px;
                    overflow: hidden;
                    width: 100%;
                }
    
                .hero-content {
                    width: 100%;
                    max-width: 100%;
                    padding: 0 1rem;
                }
    
                .hero h1 {
                    font-size: 2rem;
                }
    
                .hero p {
                    font-size: 1rem;
                }
                
                .section {
                    padding: 3rem 0;
                    padding-left: 1rem;
                    padding-right: 1rem;
                    width: 100%;
                    max-width: 100%;
                    overflow: hidden;
                }
    
                .section h2 {
                    font-size: 1.8rem;
                    margin-bottom: 2rem;
                }
    
                .content-grid {
                    grid-template-columns: 1fr;
                    gap: 2rem;
                }
    
                .content-block {
                    padding: 1.5rem;
                    margin-bottom: 1rem;
                    width: 100%;
                    max-width: 100%;
                    overflow: hidden;
                }
    
                .content-block h3 {
                    font-size: 1.4rem;
                    flex-wrap: wrap;
                }
    
                .cards {
                    grid-template-columns: 1fr;
                    gap: 1.5rem;
                    padding: 0;
                    width: 100%;
                    max-width: 100%;
                }
    
                .card {
                    padding: 1.5rem;
                    margin: 0;
                    width: 100%;
                    max-width: 100%;
                }
    
                .lego-gallery {
                    grid-template-columns: 1fr;
                    gap: 1.5rem;
                    padding: 0;
                    width: 100%;
                    max-width: 100%;
                }
    
                .gallery-card {
                    margin: 0;
                    width: 100%;
                    max-width: 100%;
                }
    
                .gallery-image {
                    height: 200px;
                }
    
                .gallery-content {
                    padding: 1.5rem;
                }
    
                .nav-container {
                    padding: 0 1rem;
                }
    
                .footer {
                    padding: 2rem 0 1rem;
                    margin-top: 2rem;
                }
    
                .footer-content {
                    grid-template-columns: 1fr;
                    text-align: left;
                    gap: 2rem;
                    padding: 0 1rem;
                }
    
                .footer-section {
                    width: 100%;
                    max-width: 100%;
                }
    
                .footer-section h3 {
                    font-size: 1.2rem;
                    margin-bottom: 1rem;
                }
    
                .footer-section p,
                .footer-section a {
                    font-size: 0.9rem;
                }
    
                .social-links {
                    justify-content: flex-start;
                    flex-wrap: wrap;
                }
    
                .footer-map {
                    width: 100%;
                    margin-top: 1rem;
                }
    
                .footer-map iframe {
                    width: 100%;
                    height: 200px;
                    max-width: 100%;
                }
    
                .footer-bottom {
                    padding: 1.5rem 1rem 1rem;
                    font-size: 0.85rem;
                }
    
                .lego-showcase {
                    gap: 0.5rem;
                    flex-wrap: wrap;
                }
    
                .showcase-brick {
                    width: 30px;
                    height: 22px;
                    font-size: 1.2rem;
                }
    
                .floating-lego {
                    width: 20px;
                    height: 20px;
                    font-size: 20px;
                }
    
                .building-animation {
                    height: 60px;
                    margin: 2rem 0;
                    flex-wrap: wrap;
                }
    
                .building-brick {
                    width: 28px;
                    height: 20px;
                    font-size: 1rem;
                }
    
                .hero-badge {
                    font-size: 0.8rem;
                    padding: 0.4rem 1rem;
                }
    
                .list li {
                    font-size: 0.9rem;
                    padding: 0.6rem 0;
                }
            }
    
            @media (max-width: 480px) {
                .hero h1 {
                    font-size: 1.6rem;
                }
    
                .section h2 {
                    font-size: 1.5rem;
                }
    
                .content-block h3 {
                    font-size: 1.2rem;
                }
    
                .card h3 {
                    font-size: 1.1rem;
                }
    
                .footer-section h3 {
                    font-size: 1.1rem;
                }
            }