/* === RESET & BASE STYLES ===*/
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

    body {
        background: linear-gradient(135deg, #0c0f17 0%, #151925 100%); 
        color: #e6e9f0;
        min-height: 100vh;
        overflow-x: hidden;
    }

    /* === HEADER & NAVIGATION === */
    header {
        position:fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        background: rgba(12, 15, 23, 0.8);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(42, 252, 133, 0.1);
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 700;
        color: #e6e9f0;
        text-decoration: none;
    }

    .logo-icon {
        color: #2afc85;
        font-size: 1.8rem;
    }

    .logo-text {
        background: linear-gradient(90deg, #e6e9f0 0%, #2afc85 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    nav ul {
        display: flex;
        list-style: none;
        gap: 30px;
    }

    nav a {
        color: #c2c6d3;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s ease;
        position: relative;
        padding: 5px 0;
    }

    nav a:hover {
        color:#2afc85
    }

    nav a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;    
        background: #2afc85;
        transition: width 0.3s ease;
    }

    nav a:hover::after {
        width: 100%;
    }

    .menu-toggle {
        display: none;
        font-size: 1.5rem;
        color: #e6e9f0;
        cursor: pointer;
    }

    /* === HERO SECTION === */
    .hero {
        max-width: 1200px;
        width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 80px;
        padding: 120px 40px 60px;
        min-height: 100vh;
    }

    .content {
        max-width: 600px;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeinup 1s ease forwards 0.5s;
    }

    h1 {
        font-size: 3.5rem;
        margin-bottom: 15px;
        background: linear-gradient(90deg, #e6e9f0 0%, #2afc85 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        font-weight: 700;
        text-shadow: 0 5px 15px rgba(46, 255, 139, 0.3);
    }

    h2{
        font-size: 1.8rem;
        margin-bottom: 25px;
        color: #c2c6d3;
        font-weight: 500;
    }

    p{
        font-size: 1.2rem;
        line-height: 1.6;
        margin-bottom: 30px;
        color: #c2c6d3;

    }

    .typing-text {
        position: relative;
        display: inline-block;
        color: #2afc85;
        min-height: 1em;
        vertical-align: bottom;
    }

    .typing-text::after {
        content: '|';
        position: relative;
        right: -8px;
        animation: blink 0.7s infinite;
        color: #2afc85;
        top: 0;
        bottom: 0;
        margin: auto 0;
        height: 1em;
        line-height: 1em;
    }


    .cta-buttons {
        display: flex;
        gap: 20px;
        margin-top: 40px;
        flex-wrap: wrap;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeinup 1s ease forwards 0.8s;
    }

    .btn {
        padding: 15px 35px;
        border-radius: 50px;
        font-size: 1.1rem;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        gap: 10px;
        position: relative;
        overflow: hidden;
    }

    .btn-primary {
        background: linear-gradient(90deg, #1ed761 0%, #15c46a 100%);
        color: #0c0f17;
        box-shadow: 0 5px 15px rgba(30, 215, 97, 0.4 );
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(30, 215, 97, 0.6);
    }


    .btn-primary::before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent
            );
            transition: 0.5s;
    }

    .btn-primary:hover::before {
        left: 100%;
    }

    .btn-secondary {
        border: 2px solid #2afc85;
        color: #2afc85;
    }

    .btn-secondary:hover {
        background-color: rgba(42, 252, 133, 0.1);
        transform: translateY(-3px);
    }

    .social-icons {
        display: flex;
        gap: 20px;
        margin-top: 50px;
        opacity: 0; /* ubah ke 0 */
        transform: translateY(20px);
        animation: fadeinup 1s ease forwards 1.1s;
    }

    .social-icons a {
        width: 50px;
        height: 50px;
        border-radius: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #1a1f2e 0%, #232838 100%);
        color: #2afc85;
        font-size: 1.3rem;
        transition: all 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        position: relative;
        overflow: hidden;
    }

    .social-icons a::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(45deg, #1ed761, #2afc85, #15c46a);
        opacity: 0;
        transition: 0.3s;
        z-index: -1;
    }

    .social-icons a:hover::before {
        opacity: 1;
    }

    /* === PROFILE IMAGE SECTION ===*/
    .profile-container {
        position: relative;
        width: 300px;
        height: 300px;

    }

    .profile-img {
        width: 240px;
        height: 240px;
        object-fit: cover;
        border-radius: 50%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 10;
        box-shadow: 0 5px 30px rgba(0, 0, 0, 0.4);
        border: 4px solid #0c0f17;
        transition: all 0.5 ease;
    }

    .profile-img:hover {
        transform: translate(-50%, -50%) scale(1.05);
    }

    /*Animated rings */
    .border-outer {
        position: absolute;
        width: 300px;
        height: 300px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(0deg);
        border-radius: 50%;
        background: conic-gradient(
            transparent,
            #2afc85,
            transparent,
            transparent
        );
        z-index: 1;
        animation: rotate 4s linear infinite;
    }

    .border-middle {
        position: absolute;
        width: 270px;
        height: 270px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(0deg);
        border-radius: 50%;
        background: conic-gradient(
            transparent, 
            #15c46a,
            transparent,
            transparent
        );
        z-index: 2;
        animation: rotate-reverse 3s linear infinite;
        filter: blur(3px);
    }

    .border-inner {
        position: absolute;
        width: 240px;
        height: 240px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(0deg);
        border-radius: 50%;
        background: conic-gradient(
            transparent, 
            #1ed761,
            transparent,
            transparent
        );
        z-index: 3;
        animation: rotate 2s linear infinite;
    }

    /* pulsing effect */
    .pulse-ring {
        position: absolute;
        width: 300px;
        height: 300px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(1);
        border-radius: 50%;
        border: 2px solid rgba(42, 252, 133, 0.3);
        z-index: 0;
        animation: pulse 3s ease-out infinite;
    }

    .pulse-ring:nth-child(2) {
        animation-delay: 1s;
    }

    .pulse-ring:nth-child(3) {
        animation-delay: 2s;
    }

    /* border container */
    .border-container {
        position: absolute;
        width: 300px;
        height: 300px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        z-index: 4;
    }

    .border-container::after {
        content: "";
        position: absolute;
        width: 260px;
        height: 260px;
        background: linear-gradient(135deg, #151925 0%, #1a1f2e 100%);
        border-radius: 50%;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 5;
    }

    /* ==== ANIMATIONS ====*/
    @keyframes rotate {
        0% {
            transform: translate(-50%, -50%) rotate(0deg);
        }
        100% {
            transform: translate(-50%, -50%) rotate(360deg);
        }
    }

    @keyframes rotate-reverse {
        0% {
            transform: translate(-50%, -50%) rotate(0deg);
        }
        100% {
            transform: translate(-50%, -50%) rotate(-360deg);
        }
    }

    @keyframes pulse {
        0% {
            transform: translate(-50%, -50%) scale(1);
            opacity: 1;
        }
        100% {
            transform: translate(-50%, -50%) scale(1.4);
            opacity: 0;
        }
    }

    @keyframes fadeinup {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes blink {
        0%, 100% {
            opacity: 1;
        }
        50% {
            opacity: 0;
        }
    }

    /* === RESPONSIVE DESIGN === */
    @media (max-width: 992px) {
        .hero {
            flex-direction: column-reverse;
            text-align: center;
            gap: 60px;
            padding: 100px 20x 40px;
        }
        .cta-button {
            justify-content: center;
        }
        .social-icons {
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        header { 
            padding: 15px 20px;
        }
        nav ul {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background: rgba(12, 15, 23, 0.95);
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding-top: 50px;
            transition: left 0.3s ease;
        }

        nav ul.active {
            left: 0;
        }

        nav a {
            font-size: 1.2rem;
            padding: 15px 0;
        }

        h1{
            font-size: 2.5rem;
        }

        h2 {
            font-size: 1.5rem;
        }

        p{
            font-size: 1.1rem;
        }

        .btn {
            padding : 12px 25px;
            font-size: 1rem;
            }

        .profile-container {
            width: 250px;
            height: 250px;
        }

        .profile-img {
            width: 200px;
            height: 200px;
        }

        .border-outer {
            width: 250px;
            height: 250px;
        }

        .border-middle {
            width: 225px;
            height: 225px;
        }

        .border-inner {
            width: 200px;
            height: 200px;
        }

        .border-container::after {
            width: 215px;
            height: 215px;
        }

        .pulse-ring {
            width: 250px;
            height: 250px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }

        h2 {
            font-size: 1.2rem;
        }

        .cta-button {
            flex-direction: column;
            align-items: center;
        }

        .profile-container {
            width: 200px;
            height: 200px;
        }

        .profile-img {
            width: 160px;
            height: 160px;
        }

        .border-outer {
            width: 200px;
            height: 200px;
        }

        .border-middle {
            width: 180px;
            height: 180px;
        }

        .border-inner {
            width: 160px;
            height: 160px;  
        }

        .border-container::after {
            width: 170px;
            height: 170px;
        }

        .pulse-ring {
            width: 200px;
            height: 200px;
        }

        
    }

    /* Container gambar dengan transisi di bawah Tentang */
    .container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    height: 200px;
    gap: 16px;
    padding: 20px;
    box-sizing: border-box;
    transition: gap 0.3s ease;
    overflow-x: auto;
    margin-top: 20px;
    }

    .container:hover {
    gap: 0;
    }

    .container li {
    position: relative;
    overflow: hidden;
    flex: 0 0 80px;
    border-radius: 10px;
    cursor: pointer;
    border: 1.2px solid #ffffff;
    box-shadow: 5px 10px 15px rgba(0, 0, 0, 0.4),
                -2px -5px 10px rgba(0, 0, 0, 0.1);
    transition: flex 0.3s ease, transform 0.3s ease;
    list-style: none;
    }

    .container li:hover {
    flex: 0 1 260px;
    transform: scale(1.1);
    z-index: 10;
    opacity: 1;
    }

    .container li img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    }

    .container li:hover img {
    transform: translate(-50%, -50%) scale(1.05);
    }

    .container li .content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    color: #fff;
    padding: 15px;
    background: linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.7) 10%,
        rgba(255, 255, 255, 0) 100%
    );
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    text-align: center;
    }

    .container li:hover .content {
    opacity: 1;
    visibility: visible;
    }

    .container span {
    width: 75%;
    margin: 0 auto;
    }

    .container h2 {
    font-weight: 400;
    font-size: 20px;
    margin-bottom: 3px;
    white-space: nowrap;
    color: #eee;
    }

    .container p {
    color:#d8d8d8;
    font-size: 12px;
    margin: 0;
    }

    /* Grid untuk portofolio */
    .portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 40px 20px;
    background: transparent;
    width: 100%;
    max-width: 1200px;
    box-sizing: border-box;
    margin: 0 auto 60px;
    }

    .card {
    background: transparent;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
    }

    .card:hover {
    transform: translateY(-5px);
    }

    .card img {
    width: 100%;
    border-radius: 5px;
    }