:root {
    --bg-color: #0d0d0f;
    --text-color: #f0f0f5;
    --text-muted: #a0a0ab;
    --accent-color: #E50914;
    /* Een vurige, krachtige Netflix rode kleur voor accenten */
    --hover-overlay: rgba(0, 0, 0, 0.6);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Typography */
h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

h2.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--accent-color);
}

.text-white {
    color: #ffffff;
    font-weight: 500;
}

p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(13, 13, 15, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: #fff;
}

/* Sections */
.section {
    padding: 6rem 5%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: 10rem;
    align-items: flex-start;
    background-image: url('Image/portfolio foto banner.png');
    background-size: cover;
    background-position: center right;
    /* Ensures the subject (likely on the right) stays visible */
    background-attachment: fixed;
    /* Optional parallax effect */
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.subtitle {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-content .description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(229, 9, 20, 0.4);
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    background: #C40812;
    /* Iets donkerder rood voor hover */
    box-shadow: 0 8px 20px rgba(229, 9, 20, 0.3);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Dark on the left for text readability, clear on the right for the photo */
    background: linear-gradient(90deg, rgba(13, 13, 15, 0.95) 0%, rgba(13, 13, 15, 0.5) 45%, rgba(13, 13, 15, 0) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-scroll-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    opacity: 0;
    /* Will be modified by Javascript on scroll */
    z-index: 1;
    pointer-events: none;
}

/* Portfolio Section */
.portfolio-section {
    min-height: auto;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.filter-btn.active {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(229, 9, 20, 0.4);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    /* Video's groter gemaakt (van 350px naar 450px) */
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    background: #1a1a1e;
}

.portfolio-item .video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: opacity 0.3s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-item video {
    position: relative;
    z-index: 2;
    opacity: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hover-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    padding: 2rem;
    text-align: center;
}

.portfolio-item:hover .video-thumbnail,
.portfolio-item:hover video {
    transform: scale(1.05);
}

.portfolio-item:hover video {
    opacity: 1;
    transform: scale(1.05);
}

.portfolio-item:hover .item-overlay {
    opacity: 1;
}

.item-overlay h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.item-overlay span {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: translateY(20px);
    transition: transform 0.4s ease;
    transition-delay: 0.05s;
}

.portfolio-item:hover .item-overlay h3,
.portfolio-item:hover .item-overlay span {
    transform: translateY(0);
}

/* ==========================================================================
   Transition Divider
   ========================================================================== */
.section-divider {
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    margin: 6rem auto 2rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: #1a1a1e;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    /* Reset naar center voor de nieuwe foto */
    filter: grayscale(20%);
    transition: filter 0.5s ease;
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.15rem;
}

.tools-title {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tool {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    color: #fff;
}

/* Contact Section */
.contact-section {
    text-align: center;
    align-items: center;
    min-height: 60vh;
}

.contact-desc {
    max-width: 500px;
    margin: 0 auto 3rem auto;
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.email-btn {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.email-btn:hover {
    transform: translateY(-3px);
    background: #C40812;
    /* Iets donkerder rood voor hover */
    box-shadow: 0 10px 20px rgba(229, 9, 20, 0.3);
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.social-links a:hover {
    color: #fff;
}

footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

footer p {
    font-size: 0.85rem;
}

/* Modal / Lightbox */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
    justify-content: center;
    align-items: center;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    background: transparent;
    border-radius: 8px;
    overflow: hidden;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #fff;
    font-size: 35px;
    font-weight: 300;
    cursor: pointer;
    z-index: 10;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--accent-color);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    height: 0;
    background: #000;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modal-info {
    padding: 1.5rem 0;
    text-align: left;
}

.modal-info h3 {
    color: #fff;
    font-size: 1.5rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .about-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }
}