@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;400;700&display=swap');

:root {
    --color-light-bg: #f9f9f9;
    --color-light-text: #222;
    --color-light-primary: #0066ff;
    --color-dark-bg: #121212;
    --color-dark-text: #eee;
    --color-dark-primary: #82aaff;
}

html, body {
    margin: 0; padding: 0;
    font-family: 'Inter', sans-serif;
    background: var(--color-light-bg);
    color: var(--color-light-text);
    height: 100%;
    scroll-behavior: smooth;
    transition: background 0.4s, color 0.4s;
}

body.dark {
    background: var(--color-dark-bg);
    color: var(--color-dark-text);
}

nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    background: transparent;
    z-index: 1000;
}

nav .logo {
    font-weight: 700;
    font-size: 1.5rem;
    cursor: default;
    user-select: none;
    color: inherit;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
}
nav ul li a {
    font-weight: 400;
    font-size: 1rem;
    color: inherit;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s;
}
nav ul li a:hover,
nav ul li a.active {
    opacity: 1;
}

button#theme-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.3s;
    user-select: none;
}
button#theme-toggle:hover {
    opacity: 1;
}

header.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
}
header.hero img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
header.hero h1 {
    font-weight: 700;
    font-size: clamp(4rem, 10vw, 6rem);
    letter-spacing: 0.05em;
    margin-bottom: 0.2em;
}
header.hero p {
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-light-primary);
}
body.dark header.hero p {
    color: var(--color-dark-primary);
}

main {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem 6rem 2rem; /* extra padding onderaan */
    background: transparent;
}

/* Dark mode achtergrond ook voor main */
body.dark main {
    background: var(--color-dark-bg);
    color: var(--color-dark-text);
}

main section {
    margin-top: 8rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    outline: none;
}
main section.visible {
    opacity: 1;
    transform: translateY(0);
}
main section h2 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}
main section p {
    font-weight: 300;
    line-height: 1.7;
    font-size: 1.3rem;
    color: var(--color-light-text);
}
body.dark main section p,
body.dark main section h2,
body.dark main section h3 {
    color: #ccc;
}

#projecten .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: #fffefc;
}
body.dark .project-card {
    background-color: var(--color-dark-bg);
    box-shadow: 0 8px 30px rgba(255 255 255 / 0.1);
}
.project-card:hover,
.project-card:focus {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.2);
}

.image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    min-width: 320px;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-card:hover .image-wrapper img,
.project-card:focus .image-wrapper img {
    transform: scale(1.05) translateY(-5%);
}

.project-title {
    font-weight: 700;
    font-size: 1.75rem;
    margin: 1.25rem 1.25rem 0.5rem 1.25rem;
    line-height: 1.2;
}

.project-desc {
    font-weight: 300;
    font-size: 1.1rem;
    margin: 0 1.25rem 1.75rem 1.25rem;
    color: var(--color-light-primary);
}
body.dark .project-desc {
    color: var(--color-dark-primary);
}

#contact {
    margin-bottom: 6rem;
    padding-bottom: 4rem;
}

#contact a {
    color: var(--color-light-primary);
    text-decoration: underline;
    font-weight: 500;
    transition: opacity 0.3s;
}
body.dark #contact a {
    color: var(--color-dark-primary);
}
#contact a:hover {
    opacity: 0.7;
}

@media (max-width: 500px) {
    nav {
        padding: 0 1rem;
    }
    header.hero img {
        width: 130px;
        height: 130px;
    }
    header.hero h1 {
        font-size: 3rem;
    }
    main section {
        margin-top: 4rem;
    }
}