:root {
    --color-dark: #0a0b10;
    --color-neon: #00eaff;
    --color-text: #e0e0e0;
    --color-highlight: #00f2ff;
    --color-accent-shadow: rgba(0, 238, 255, 0.4);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--color-dark);
    color: var(--color-text);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif; 
    color: #fff;
}

a {
    text-decoration: none;
    color: var(--color-text);
}

.section {
    padding: 100px 60px;
    max-width: 1200px;
    margin: auto;
}

.section-title {
    text-align: center;
    font-size: 38px;
    color: var(--color-neon);
    margin-bottom: 50px;
    text-shadow: 0 0 10px var(--color-neon);
    font-weight: 800;
}
.section-title i {
    margin-right: 10px;
    color: var(--color-neon);
}

/* =============== BUTTONS & GLOWS =============== */
.btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.primary-btn {
    background: var(--color-neon);
    color: var(--color-dark);
    border: 2px solid var(--color-neon);
    box-shadow: 4px 4px 0px 0px var(--color-neon);
}

.primary-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px 0px var(--color-neon), 0 0 20px var(--color-neon);
}

.secondary-btn {
    background: transparent;
    color: var(--color-neon);
    border: 2px solid var(--color-neon);
}

.glow-hover:hover {
    box-shadow: 0 0 15px var(--color-neon), 0 0 25px var(--color-neon);
    transform: translateY(-3px);
}

/* =============== NAVBAR ESTHETIC =============== */
.navbar {
    width: 100%;
    padding: 20px 60px;
    position: fixed;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(15px);
    background: rgba(13, 15, 22, 0.5);
    z-index: 999;
    transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.1);
}

.navbar.scrolled {
    padding: 15px 60px;
    background: rgba(13, 15, 22, 0.95); 
    border-bottom: 2px solid var(--color-neon);
    box-shadow: 0 4px 20px rgba(0, 238, 255, 0.3);
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}
.logo-glow {
    color: var(--color-neon);
    text-shadow: 0 0 10px var(--color-neon);
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-links a:not(.btn-nav) {
    color: var(--color-text);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.nav-links a.active-link {
    color: var(--color-neon) !important;
    font-weight: 700 !important;
}

.nav-links a:not(.btn-nav)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0%;
    height: 2px;
    background: var(--color-neon);
    transition: 0.4s ease;
    border-radius: 2px;
}

.nav-links a.active-link::after {
    width: 100% !important;
    height: 3px !important;
    background: var(--color-neon) !important;
}

.nav-links a:not(.btn-nav):hover {
    color: var(--color-highlight);
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    padding: 8px 20px;
    background: var(--color-neon);
    color: var(--color-dark);
    font-weight: 700;
    border-radius: 6px;
    transition: 0.3s;
}
.btn-nav:hover {
    box-shadow: 0 0 15px var(--color-neon);
}

/* =============== HERO SECTION =============== */
.hero {
    min-height: 100vh;
    padding: 0 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 40px;
    padding-top: 100px;
}

.bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -2;
}

.blob {
    position: absolute;
    width: 600px;
    opacity: 0.15;
    filter: blur(5px);
    fill: var(--color-neon);
    animation: blobMove 12s infinite ease-in-out;
}

.blob-1 {
    top: -100px;
    right: -150px;
}

.glow-circle {
    position: absolute;
    background: var(--color-neon);
    width: 300px;
    height: 300px;
    filter: blur(150px);
    opacity: 0.35;
    border-radius: 50%;
}

.glow-1 {
    bottom: -20px;
    left: -20px;
}

.parallax-ring {
    position: absolute;
    width: 700px;
    height: 700px;
    border: 2px solid var(--color-neon);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.1;
    z-index: -3;
    transition: transform 0.1s ease-out;
}

.hero-content {
    max-width: 50%;
}

.hero-content h1 {
    font-size: 80px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 5px;
}

.hero-content h2.typing-text {
    font-size: 35px;
    color: var(--color-neon);
    height: 40px;
    margin-bottom: 20px;
    font-weight: 600;
}

.glow-text {
    color: var(--color-neon);
    text-shadow: 0 0 15px var(--color-neon);
}

.hero-content p {
    margin-bottom: 30px; 
    font-size: 17px;
    opacity: 0.85;
}

.hero-cta-group {
    display: flex;
    gap: 20px;
    margin-bottom: 40px; 
}

.social-hero {
    display: flex;
    gap: 20px;
    padding-top: 10px;
}

.social-icon-btn {
    width: 50px;
    height: 50px;
    padding: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--color-neon);
    transition: 0.3s ease;
    backdrop-filter: blur(5px);
}

.social-icon-btn:hover {
    background: var(--color-neon);
    color: var(--color-dark);
    box-shadow: 0 0 15px var(--color-accent-shadow);
    transform: scale(1.1) translateY(-2px);
}

.profile-img {
    width: 500px;
    height: auto;
    position: relative; 
    filter: drop-shadow(0 0 10px var(--color-neon)) 
            drop-shadow(0 0 25px rgba(0, 238, 255, 0.4)) 
            drop-shadow(0 0 40px rgba(0, 238, 255, 0.2)); 
    animation: fadeUp 1.5s ease;
}


/* =============== ABOUT SECTION (WOW) =============== */

.about-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.glass-card {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    border: 1px solid rgba(0, 238, 255, 0.3);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px 0 rgba(0, 238, 255, 0.2);
    transition: 0.4s;
    text-align: center;
    line-height: 1.6;
    height: 100%;
    border-color: rgba(0, 238, 255, 0.3);
}

.glass-card:hover {
    box-shadow: 0 0 40px var(--color-accent-shadow), 0 0 10px var(--color-neon);
    transform: translateY(-5px);
    border-color: var(--color-neon);
}

.about-pilar h3 {
    color: var(--color-neon);
    font-size: 20px;
    margin-bottom: 10px;
    text-shadow: 0 0 8px rgba(0, 238, 255, 0.7);
}

.about-pilar p {
    color: var(--color-text);
    opacity: 0.95;
    font-size: 16px;
}

.pilar-icon {
    font-size: 35px;
    color: var(--color-neon);
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--color-neon);
}

.about-cta-center {
    text-align: center;
    margin-top: 20px;
}

/* =============== SKILLS SECTION =============== */
.skill-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.skill-card {
    text-align: center;
    width: 140px;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
    backdrop-filter: blur(10px);
}

.skill-card:hover {
    background: rgba(0, 238, 255, 0.1);
    border-color: var(--color-neon);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 0 20px var(--color-accent-shadow);
}

.skill-icon {
    font-size: 50px;
    color: var(--color-neon);
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 238, 255, 0.5);
}

/* =============== PROJECTS SECTION =============== */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 0 10px rgba(0, 238, 255, 0.05);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 15, 22, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0; 
    transition: 0.4s ease;
    padding: 20px;
    text-align: center;
}

.project-card:hover .project-overlay {
    opacity: 1; 
}

.project-overlay h3 {
    margin-bottom: 10px;
    color: var(--color-neon);
}
.project-overlay p {
    font-size: 15px;
    margin-bottom: 20px;
}
.project-overlay a {
    margin-top: 15px;
}

/* =============== CONTACT SECTION (WOW 2-COLUMN) =============== */
.contact-container {
    display: flex;
    gap: 40px;
    justify-content: center;
    max-width: 1000px;
    margin: auto;
}

.contact-info-card {
    flex: 1;
    min-width: 350px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    border: 1px solid rgba(0, 238, 255, 0.3);
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px 0 rgba(0, 238, 255, 0.2);
}

.contact-info-card h3 {
    color: var(--color-neon);
    font-size: 24px;
    margin-bottom: 15px;
    text-shadow: 0 0 5px rgba(0, 238, 255, 0.5);
}

.contact-info-card p {
    margin-bottom: 25px;
    font-size: 16px;
    opacity: 0.8;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.info-item i {
    color: var(--color-neon);
    font-size: 20px;
    width: 30px;
    text-align: center;
}

.info-item p {
    margin: 0;
    opacity: 1;
    color: var(--color-text);
}

.social-contact-links {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.contact-form {
    flex: 1.5;
    max-width: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    color: white;
    outline: none;
    resize: none;
    transition: 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-neon);
    box-shadow: 0 0 10px rgba(0, 238, 255, 0.3);
}

/* =============== FOOTER =============== */
.footer {
    text-align: center;
    padding: 40px;
    background: rgba(255,255,255,0.05);
    margin-top: 50px;
}

.social-links {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.social-links a i {
    font-size: 24px;
    color: var(--color-neon);
    transition: 0.3s;
}

.social-links a:hover i {
    transform: translateY(-3px);
    text-shadow: 0 0 10px var(--color-neon);
}

/* =============== GLOBAL BACKGROUND PARTICLES =============== */

#global-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh; /* Hanya mengisi viewport, tidak seluruh tinggi dokumen */
    pointer-events: none;
    z-index: -5; /* Paling belakang */
    overflow: hidden;
}

.particle-fixed-1, .particle-fixed-2, .particle-fixed-3, .particle-fixed-4 {
    position: absolute;
    background: var(--color-neon);
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(2px);
    z-index: -1;
    animation: particleMoveFixed 20s infinite linear;
}

.particle-fixed-1 {
    width: 6px; height: 6px;
    top: 10%; left: 5%;
    animation-delay: 0s;
    animation-duration: 25s;
}
.particle-fixed-2 {
    width: 10px; height: 10px;
    top: 60%; right: 10%;
    animation-delay: 5s;
    animation-duration: 22s;
}
.particle-fixed-3 {
    width: 8px; height: 8px;
    bottom: 5%; left: 40%;
    animation-delay: 10s;
    animation-duration: 28s;
}
.particle-fixed-4 {
    width: 12px; height: 12px;
    top: 30%; right: 40%;
    animation-delay: 15s;
    animation-duration: 20s;
}

@keyframes particleMoveFixed {
    0% { transform: translate(0, 0); }
    50% { transform: translate(5vw, 5vh); }
    100% { transform: translate(0, 0); }
}

/* =============== ANIMATIONS & RESPONSIVENESS =============== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes blobMove {
    0% { transform: translate(0,0) scale(1); }
    50% { transform: translate(30px, -40px) scale(1.1); }
    100% { transform: translate(0,0) scale(1); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: 0.9s cubic-bezier(0.17, 0.84, 0.44, 1);
}

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

/* Media Queries (Responsiveness) */
@media (max-width: 900px) {
    .navbar {
        padding: 15px 30px;
    }
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 30px 60px 30px;
    }

    .hero-content {
        max-width: 100%;
        order: 2; 
    }

    .hero-content h1 {
        font-size: 60px;
    }

    .hero-content h2.typing-text {
        font-size: 25px;
    }
    
    .hero-cta-group {
        justify-content: center;
    }

    .profile-img {
        width: 300px;
        order: 1;
        margin-bottom: 40px;
    }

    .section {
        padding: 80px 30px;
    }

    .contact-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 500px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
}