/* ===== Algemene stijl ===== */
body {
    font-family: 'Poppins', sans-serif;
    background: radial-gradient(circle at top left, #0d1117, #000);
    color: #222;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* ===== Zijbalk Navigatie ===== */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 90px;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: width 0.3s ease;
}

.side-nav:hover {
    width: 200px;
}

.side-nav .nav {
    width: 100%;
}

.side-nav .nav-link {
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 15px 25px;
    transition: color 0.3s, background 0.3s;
    white-space: nowrap;
}

.side-nav .nav-link:hover {
    color: #0d6efd;
    background: rgba(255, 255, 255, 0.05);
}

/* Icoon grootte en centreren */
.side-nav .nav-link i {
    font-size: 1.5rem;
    /* iets groter voor social icons */
    min-width: 30px;
    /* zorgt dat span netjes uitklapt */
    text-align: center;
}

/* Hover effect voor icons */
.side-nav .nav-link:hover i {
    color: #0d6efd;
    /* accentkleur bij hover */
}

/* Social link text laten verschijnen */
.side-nav .nav-link span {
    opacity: 0;
    transition: opacity 0.3s;
}

.side-nav:hover .nav-link span {
    opacity: 1;
}


.logo {
    color: #fff;
    /* zorgt dat de tekst zichtbaar is */
    font-size: 1.5rem;
    font-weight: bold;
}

/* ===== Content spacing rechts van zijbalk ===== */
.content-wrapper {
    margin-left: 90px;
    transition: margin-left 0.3s;
}

.side-nav:hover~.content-wrapper {
    margin-left: 200px;
}

/* Responsive (mobiel) */
@media (max-width: 992px) {
    .side-nav {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: row;
        justify-content: center;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .side-nav .nav {
        flex-direction: row;
    }

    .side-nav .nav-link span {
        opacity: 1;
    }

    .content-wrapper {
        margin-left: 0;
    }
}


/* ===== Hero Sectie Upgrade ===== */
.hero-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: radial-gradient(circle at 20% 20%, rgba(13, 110, 253, 0.2), transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05), transparent 70%),
        #0d1117;
}

/* Floating gradient circles */
.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite linear;
}

.circle-1 {
    width: 200px;
    height: 200px;
    background: #0d6efd;
    top: 10%;
    left: 15%;
}

.circle-2 {
    width: 300px;
    height: 300px;
    background: #00d4ff;
    bottom: 10%;
    right: 10%;
    animation-duration: 25s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    background: #6610f2;
    top: 40%;
    right: 25%;
    animation-duration: 30s;
}

@keyframes float {
    0% {
        transform: translateY(0px) translateX(0px);
    }

    50% {
        transform: translateY(-30px) translateX(20px);
    }

    100% {
        transform: translateY(0px) translateX(0px);
    }
}

/* Typing effect */
.typing-text {
    font-size: 1.5rem;
    color: #00d4ff;
    font-weight: 500;
    min-height: 2em;
    font-family: 'Courier New', monospace;
}

/* ===== Over mij ===== */
.about-section {
    background: radial-gradient(circle at top left, #0d1117, #000);
    color: white;
}

.text-gradient {
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-gradient {
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    border: none;
    color: #fff;
    padding: 10px 25px;
    border-radius: 50px;
    transition: 0.3s;
}

.btn-gradient:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}



/* ===== Vaardigheden ===== */
.bg-section {
    background: linear-gradient(135deg, #0d1117, #001a35);
}

.glass-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.glass-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(13, 110, 253, 0.3);
}

/* ===== Projecten ===== */
.project-card {
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.project-card img {
    border-bottom: 2px solid #0d6efd;
}

/* ===== Footer ===== */
footer {
    background-color: #000;
    font-size: 0.9rem;
}

/* ===== Animaties ===== */
.fade-in {
    animation: fadeIn 2s ease-in-out forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Scroll Animatie ===== */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Terminal stijl passend bij de website */
.terminal {
    background: #0d1117;
    /* matcht hero achtergrond */
    color: #00d4ff;
    /* standaard tekstkleur prompt */
    font-family: 'Courier New', monospace;
    padding: 20px;
    border-radius: 8px;
    display: inline-block;
    min-width: 350px;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.terminal-text {
    font-size: 1.1rem;
}

.path {
    color: #0d6efd;
    /* blauw van de site / highlight */
    font-weight: bold;
}

.prompt-text {
    margin-left: 5px;
    color: #00d4ff;
    /* cyaan, past bij gradient */
}

.cursor {
    display: inline-block;
    width: 10px;
    background-color: #ffffff;
    /* knipperende cursor wit */
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.terminal-buttons {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.terminal-btn {
    background: #0d1117;
    /* dark theme */
    border: 1px solid #0d6efd;
    /* blauw accent */
    color: #0d6efd;
    padding: 5px 12px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    transition: 0.2s;
    border-radius: 4px;
}

.terminal-btn:hover {
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    color: #0d1117;
}

.terminal-response {
    margin-top: 10px;
    font-size: 1rem;
    color: #ffffff;
    /* wit voor leesbaarheid */
}

/* ===== Algemene responsive aanpassingen ===== */
@media (max-width: 992px) {

    /* Zijbalk verandert naar bovenbalk */
    .side-nav {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: row;
        justify-content: center;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .side-nav:hover {
        width: 100%;
    }

    .side-nav .nav {
        flex-direction: row;
    }

    .side-nav .nav-link span {
        opacity: 1;
    }

    .content-wrapper {
        margin-left: 0;
    }

    .side-nav:hover~.content-wrapper {
        margin-left: 0;
    }
}

/* ===== Hero sectie responsive ===== */
@media (max-width: 768px) {
    .hero-section {
        height: auto;
        padding: 80px 20px;
        text-align: center;
    }

    .circle-1,
    .circle-2,
    .circle-3 {
        width: 100px;
        height: 100px;
        top: auto;
        bottom: auto;
        right: auto;
        left: auto;
        opacity: 0.15;
    }

    .circle-1 {
        top: 5%;
        left: 10%;
    }

    .circle-2 {
        bottom: 5%;
        right: 10%;
    }

    .circle-3 {
        top: 40%;
        right: 20%;
    }

    .typing-text {
        font-size: 1.2rem;
    }
}

/* ===== Over mij sectie responsive ===== */
@media (max-width: 768px) {
    .about-section .col-lg-8 {
        padding: 0 15px;
    }

    .about-section h2 {
        font-size: 2rem;
    }

    .about-section p {
        font-size: 1rem;
    }

    .btn-gradient {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
}

/* ===== Vaardigheden responsive ===== */
@media (max-width: 768px) {
    .skill-box {
        margin-bottom: 20px;
    }
}

/* ===== Projecten responsive ===== */
@media (max-width: 768px) {
    .project-card img {
        width: 100%;
        height: auto;
    }
}

/* ===== Terminal responsive ===== */
@media (max-width: 576px) {
    .terminal {
        min-width: 100%;
        padding: 15px;
        font-size: 0.9rem;
    }

    .terminal-buttons {
        flex-direction: column;
        gap: 5px;
    }

    .terminal-btn {
        width: 100%;
        padding: 8px;
    }

    .cursor {
        width: 6px;
    }

    .prompt-text {
        display: block;
    }

    .path {
        display: block;
        margin-bottom: 5px;
    }
}

#contact {
    padding: 50px 20px;
    background: linear-gradient(135deg, #0d1117, #001a35);
}

/* Contact koptekst */
#contact h2 {
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 40px;
}


.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background-color: rgba(13, 17, 23, 0.85);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 20px rgba(13, 110, 253, 0.3);
}

#contact form {
    display: flex;
    flex-direction: column;
}

#contact label {
    margin-bottom: 8px;
    font-weight: 500;
    color: #ccc;
}

#contact input,
#contact textarea {
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    transition: border 0.3s, background 0.3s;
}

#contact input:focus,
#contact textarea:focus {
    border: 1px solid #0d6efd;
    background-color: rgba(13, 110, 253, 0.1);
    outline: none;
}

#contact button {
    padding: 12px;
    font-size: 18px;
    font-weight: 500;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    color: #fff;
    transition: opacity 0.3s, transform 0.3s;
}

#contact button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    #contact {
        padding: 30px 15px;
    }
}

.progress-bar {
    position: sticky;
    top: 0;
    left: 0;
    width: 0%;
    height: 6px;
    /* mobiel goed zichtbaar */
    background: linear-gradient(90deg, #0d6efd, #00d4ff);
    z-index: 9999;
    transition: width 0.25s ease;
}


.progress-bar.visible {
    opacity: 1;
}

@media (max-width: 768px) {
    .progress-bar {
        height: 8px;
    }
}