/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #1a1a1a;
    --white: #ffffff;
    --dark-red: #8b1a1a;
    --light-gray: #fafafa;
    --mid-gray: #666;
    --border-gray: #e8e8e8;
    --star-gold: #ffd700;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Cormorant Garamond', serif;
    color: var(--primary-black);
    line-height: 1.6;
    background: var(--white);
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { font-family: 'Playfair Display', serif; }

/* Navigation */
.main-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    z-index: 1000;
    padding: 1.5rem 3rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title { font-size: 1.3rem; font-weight: 500; letter-spacing: 0.5px; }

.nav-links { display: flex; list-style: none; gap: 3rem; }

.nav-link {
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.3px;
    transition: color 0.3s;
}

.nav-link:hover { color: var(--dark-red); }

/* Hamburger button — hidden on desktop */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-black);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger open state — animate to X */
.nav-hamburger.open .hamburger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.nav-hamburger.open .hamburger-bar:nth-child(2) {
    opacity: 0;
}
.nav-hamburger.open .hamburger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Page Sections */
.page-section {
    padding: 7rem 3rem 5rem;
    min-height: 100vh;
}

.container { max-width: 900px; margin: 0 auto; }

.page-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 0.8rem;
    font-weight: 400;
    letter-spacing: 1px;
}

.page-subtitle {
    color: var(--mid-gray);
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 0.2px;
    margin-bottom: 3rem;
}

/* PROFIEL — white, flex centered */
#profiel {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
}

#profiel .container { max-width: 650px; text-align: center; }

.profile-photo-container {
    display: flex;
    justify-content: center;
    margin: 0 auto 3rem;
}

.profile-photo {
    width: 168px;
    height: auto;
    display: block;
    border: 8px solid var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.bio-text {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 3rem;
    color: var(--mid-gray);
    text-align: left;
}

.bio-text p { margin-bottom: 1.2rem; }

.bio-text--intro { margin-bottom: 1.8rem; }

/* ERVARING — light-gray */
#ervaring { background: var(--light-gray); }
#ervaring .container { max-width: 650px; }

.experience-content { max-width: 650px; margin: 0 auto; }

.experience-content--tight { margin-top: 1rem; }

.experience-paragraph {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1.2rem;
    color: var(--mid-gray);
    text-align: left;
}

/* ERVARING — centered ecocycle image */
.ecocycle-photo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.ecocycle-image-centered {
    width: 350px;
    height: auto;
    display: block;
    opacity: 0.85;
}

.ecocycle-caption {
    width: 350px;
    text-align: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.9rem;
    font-style: italic;
    color: var(--mid-gray);
    line-height: 1.5;
    margin-top: 0.8rem;
}

/* Download buttons */
.download-section { text-align: center; margin-top: 2.4rem; }

.download-button {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    background: var(--dark-red);
    color: var(--white);
    text-decoration: none;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 400;
    letter-spacing: 0.5px;
    font-size: 1rem;
    border: none;
    transition: opacity 0.3s;
    cursor: pointer;
}

.download-button:hover { opacity: 0.85; }

/* AMBITIE — white */
#ambitie { background: var(--white); }
#ambitie .container { max-width: 650px; }

/* ABSURDOOS — light-gray */
#absurdoos { background: var(--light-gray); }
#absurdoos .container { max-width: 900px; }

/* ABSURDOOS — card stack */
.absurdoos-stage {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 560px;
    margin: 0 auto;
    margin-bottom: 1.5rem;
}

.absurdoos-card {
    position: absolute;
    top: 0;
    left: 50%;
    width: 520px;
    height: 520px;
    transform: translateX(-50%);
    background: transparent;
    box-shadow:
        0 6px 28px rgba(0, 0, 0, 0.22),
        0 2px 8px rgba(0, 0, 0, 0.14);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.45s ease;
    overflow: hidden;
    padding: 0;
}

.absurdoos-card.stack-back {
    transform: translateX(-50%) rotate(-6deg) translate(-45px, 14px);
    z-index: 3;
    opacity: 0.55;
    cursor: default;
}

.absurdoos-card.stack-mid {
    transform: translateX(-50%) rotate(-3deg) translate(-20px, 7px);
    z-index: 4;
    opacity: 0.75;
    cursor: default;
}

.absurdoos-card.front {
    transform: translateX(-50%) rotate(0deg) translate(0, 0);
    z-index: 10;
    opacity: 1;
    cursor: default;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 8px 20px rgba(0, 0, 0, 0.20);
}

.absurdoos-card.stack-far {
    transform: translateX(-50%) rotate(-9deg) translate(-70px, 20px);
    z-index: 2;
    opacity: 0.38;
    cursor: default;
}

.absurdoos-card.stack-furthest {
    transform: translateX(-50%) rotate(-12deg) translate(-95px, 26px);
    z-index: 1;
    opacity: 0.22;
    cursor: default;
}

.absurdoos-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.absurdoos-title {
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--primary-black);
    letter-spacing: 0.5px;
    margin-top: 0;
    min-height: 1.6em;
}

.absurdoos-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    background: transparent;
    border: none;
    color: var(--dark-red);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.5rem;
    transition: opacity 0.25s;
    user-select: none;
    opacity: 0.75;
}

.absurdoos-arrow:hover {
    opacity: 1;
}

.absurdoos-arrow--prev { left: 0; }
.absurdoos-arrow--next { right: 0; }

/* ATELIER — white */
#atelier { background: var(--white); }
#atelier .container { max-width: 1200px; }

/* Category Filters */
.category-filters {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 1.8rem;
    justify-content: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-gray);
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-gray);
    color: var(--primary-black);
    font-family: 'Cormorant Garamond', serif;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.category-btn:hover,
.category-btn.active {
    background: var(--dark-red);
    color: var(--white);
    border-color: var(--dark-red);
}

/* Sort Buttons */
.sorting-controls {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    font-size: 0.95rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.sort-btn {
    background: none;
    border: none;
    color: var(--mid-gray);
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0;
    position: relative;
    padding-bottom: 2px;
    transition: color 0.3s;
    user-select: none;
}

.sort-btn::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0;
    height: 1px;
    background: var(--dark-red);
    transition: width 0.3s;
}

.sort-btn:hover::after,
.sort-btn.active::after { width: 100%; }

.sort-btn:hover,
.sort-btn.active { color: var(--dark-red); }

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.gallery-item {
    background: var(--white);
    overflow: hidden;
    transition: transform 0.3s;
    cursor: pointer;
    border: 1px solid var(--border-gray);
}

.gallery-item:hover { transform: translateY(-6px); }

.gallery-item .image-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--light-gray);
}

.gallery-item .gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.4s ease-in-out;
}

.gallery-item .image-placeholder {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--light-gray) 0%, #f0f0f0 50%, var(--light-gray) 100%);
    background-size: 200% 200%;
    animation: shimmer 1.5s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes shimmer {
    0% { background-position: 100% 0%; }
    100% { background-position: -100% 0%; }
}

.gallery-item .lazy-image { opacity: 0; }
.gallery-item .lazy-image.loaded { opacity: 1; z-index: 2; }
.gallery-item .gallery-image:not(.lazy-image) { opacity: 1; z-index: 2; }

.gallery-item:has(.lazy-image.loaded) .image-placeholder,
.gallery-item:has(.gallery-image:not(.lazy-image)) .image-placeholder {
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.gallery-item-info { padding: 1.3rem; }

.gallery-item-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
    font-weight: 500;
    letter-spacing: 0.2px;
}

.gallery-item-description {
    font-size: 0.95rem;
    color: var(--mid-gray);
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.publication-date {
    font-size: 0.85rem;
    color: var(--mid-gray);
    margin-bottom: 0.5rem;
}

.ratings { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.85rem; }
.rating { display: flex; justify-content: space-between; color: var(--mid-gray); }
.stars { color: #DAA520; letter-spacing: 1px; font-weight: 600; }

/* CONTACT — light-gray, flex centered */
#contact {
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

#contact .container { max-width: 650px; text-align: center; }

.contact-content { text-align: left; max-width: 500px; margin: 0 auto; }

.contact-content .contact-grid { display: flex; flex-direction: column; gap: 0.6rem; }
.contact-content .contact-row { display: flex; font-size: 1rem; }
.contact-content .contact-label { min-width: 90px; color: var(--mid-gray); }
.contact-content .contact-value { color: var(--dark-red); }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.lightbox.active { display: flex; }

.lightbox-close {
    position: absolute;
    top: 2rem; right: 2rem;
    color: var(--white);
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    z-index: 2001;
}

.lightbox-close:hover { color: #ccc; }

.lightbox-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90vw;
    background-color: transparent;
}

.lightbox-content {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    width: auto; height: auto;
    transition: transform 0.1s ease-out;
    transform-origin: center center;
    user-select: none;
    cursor: pointer;
}

/* Info panel — click image to toggle hide/show */
.lightbox-info {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    color: var(--white);
    text-align: center;
    max-width: 600px;
    background-color: rgba(0, 0, 0, 1);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.35s ease, opacity 0.35s ease;
    cursor: pointer;
}

.lightbox-info.hidden {
    transform: translateX(-50%) translateY(calc(100% + 2rem));
    opacity: 0;
    pointer-events: none;
}

.lightbox-info h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.lightbox-info p { margin-bottom: 0.5rem; }

.lightbox-ratings {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.rating-item { display: flex; align-items: center; gap: 0.5rem; }
.rating-label { font-size: 0.9rem; }
.lightbox-date { margin-top: 0.5rem; font-size: 0.9rem; color: #ccc; }

/* Footer */
.site-footer {
    background: var(--white);
    border-top: 1px solid var(--border-gray);
    padding: 2rem 3rem;
    text-align: center;
}

.copyright { font-size: 0.9rem; color: var(--mid-gray); margin: 0; }

/* Responsive */
@media (max-width: 768px) {
    .main-nav { padding: 1rem 1.5rem; }
    .nav-container { flex-direction: row; justify-content: space-between; align-items: center; }
    .nav-hamburger { display: flex; }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--white);
        border: 1px solid var(--border-gray);
        padding: 1.5rem 1.5rem;
        gap: 1.5rem;
        z-index: 999;
        min-width: 160px;
    }
    .nav-links.open { display: flex; }
    .page-section { padding: 6rem 1.5rem 4rem; }
    .page-title { font-size: 2rem; }
    .page-subtitle { font-size: 1rem; }
    .profile-photo { width: 220px; height: auto; }
    .ecocycle-image-centered { width: 240px; }
    .ecocycle-caption { width: 240px; }
    .absurdoos-stage { height: 380px; }
    .absurdoos-card { width: 340px; height: 340px; }
    .absurdoos-arrow { font-size: 1.6rem; padding: 0.3rem; }
    .absurdoos-title { font-size: 1rem; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }
    .contact-row { flex-direction: column; gap: 0.3rem; }
    .contact-label { font-weight: 600; }
    .sorting-controls, .category-filters { gap: 1rem; }
    .lightbox-info { max-width: 90%; padding: 1rem; }
    .site-footer { padding: 1.5rem; }
    .copyright { font-size: 0.85rem; }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    html { scroll-behavior: auto; }
    .image-placeholder {
        animation: none !important;
        background: var(--light-gray) !important;
    }
}

/* Browser Compatibility: :has() fallback */
@supports not (selector(:has(*))) {
    .gallery-item .image-placeholder { transition: opacity 0.3s ease-out; }
}