/* ================= HERO ================= */
        .about-hero {
            min-height: 85vh;
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #0f172a, #1e293b);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .about-title {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.2;
        }

        .about-title span {
            background: linear-gradient(90deg, #38bdf8, #6366f1);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .about-subtitle {
            margin-top: 20px;
            opacity: 0.85;
            line-height: 1.8;
            font-size: 1.05rem;
        }

        .about-btn {
            border-radius: 50px;
            padding: 10px 28px;
            font-weight: 500;
            transition: 0.3s ease;
        }

        .about-btn:hover {
            transform: translateY(-3px);
        }

        /* Glass Card */
        .about-hero-card {
            width: 240px;
            height: 240px;
            margin: auto;
            border-radius: 32px;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(14px);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 90px;
            transition: 0.5s ease;
        }

        .about-hero-card:hover {
            transform: scale(1.07) rotate(-4deg);
        }

        .hero-visual {
            position: relative;
            width: 260px;
            height: 260px;
            margin: auto;
        }

        .card-layer {
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 28px;
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.08);
            transition: 0.5s ease;
        }

        .layer-1 {
            top: 0;
            left: 0;
            transform: rotate(-8deg);
        }

        .layer-2 {
            top: 15px;
            left: 15px;
            transform: rotate(6deg);
        }

        .layer-3 {
            top: 30px;
            left: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 70px;
            color: white;
        }

        /* hover animation */
        .hero-visual:hover .layer-1 {
            transform: rotate(-15deg);
        }

        .hero-visual:hover .layer-2 {
            transform: rotate(12deg);
        }

        .hero-visual:hover .layer-3 {
            transform: scale(1.05);
        }

        /* ================= FEATURES ================= */
        .about-features {
            padding: 100px 0;
            background: #f8fafc;
        }

        .section-title {
            font-weight: 700;
            font-size: 2.2rem;
        }

        .section-subtitle {
            color: #64748b;
            margin-top: 10px;
        }

        .feature-card {
            background: white;
            padding: 40px 30px;
            border-radius: 24px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.05);
            transition: 0.4s ease;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-12px);
            box-shadow: 0 25px 60px rgba(0,0,0,0.08);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            border-radius: 20px;

            background: rgba(99, 102, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;

            font-size: 28px;
            transition: 0.4s ease;
        }

        /* warna default ikon */
        .feature-icon i {
            color: #4f46e5;
            transition: 0.4s ease;
        }

        /* saat card di-hover */
        .feature-card:hover .feature-icon {
            background: #4f46e5;
            transform: rotate(-8deg) scale(1.1);
        }

        /* hanya ikon yang berubah putih */
        .feature-card:hover .feature-icon i {
            color: #ffffff;
        }


        .feature-card h6 {
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: #64748b;
            font-size: 0.95rem;
        }

        /* ================= SCROLL REVEAL ================= */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: 0.8s ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }