/* ==========================================================================
   NCN Genk 2026 — Fotogalerij
   Custom properties: pas hier kleuren, spacing en afmetingen aan.
   ========================================================================== */
:root {
    --color-bg: #faf5e8;
    --color-bg-raised: #fffdf8;
    --color-text: #262220;
    --color-text-muted: #726a5c;
    --color-border: #e3d9c3;
    --color-error: #9a2f24;
    --color-like: #a3392c;
    --color-accent: #c9861f;

    --max-width: 1650px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 40px;
    --space-6: 64px;
    --space-7: 96px;

    --gallery-gap: 12px;
    --radius-sm: 2px;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   Basis
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    padding: var(--space-7) var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: var(--space-6);
    align-items: start;
}

.site-header__logos {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: 0 0 var(--space-4);
}

.site-header__logo {
    display: block;
    width: auto;
}

.site-header__logo--ncn {
    height: 88px;
}

.site-header__logo--exid {
    height: 34px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0 0 var(--space-2);
}

.site-header__heading h1 {
    font-size: clamp(2rem, 3.6vw, 3.25rem);
    line-height: 1.08;
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.site-header__part {
    display: block;
    font-size: 0.42em;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: var(--space-2);
    letter-spacing: 0.04em;
}

.site-header__intro p {
    font-size: 1.08rem;
    line-height: 1.7;
    margin: 0 0 var(--space-3);
    max-width: 62ch;
}

.site-header__intro p:last-child {
    margin-bottom: 0;
}

.credit {
    font-weight: 600;
    color: var(--color-accent);
}

@media (max-width: 900px) {
    .site-header {
        padding: var(--space-5) var(--space-3) var(--space-4);
    }

    .site-header__inner {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .site-header__logos {
        gap: var(--space-3);
        margin-bottom: var(--space-3);
    }

    .site-header__logo--ncn {
        height: 64px;
    }

    .site-header__logo--exid {
        height: 26px;
    }
}

/* ==========================================================================
   Galerij (masonry via CSS columns)
   ========================================================================== */
.gallery-section {
    padding: var(--space-6) var(--space-4) var(--space-7);
}

.gallery-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
}

.gallery-toolbar {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.gallery-toolbar__count {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.gallery {
    column-count: 4;
    column-gap: var(--gallery-gap);
}

.gallery__item {
    position: relative;
    break-inside: avoid;
    margin: 0 0 var(--gallery-gap);
}

.gallery__trigger {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    line-height: 0;
    cursor: zoom-in;
}

.gallery__trigger img {
    display: block;
    width: 100%;
    height: auto;
    transition: opacity 0.15s ease;
}

.gallery__trigger:hover img,
.gallery__trigger:focus-visible img {
    opacity: 0.92;
}

/* Like/download-knoppen op elke foto-tegel */
.gallery__actions {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    z-index: 1;
    display: flex;
    gap: 6px;
}

.gallery__action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(28, 27, 25, 0.55);
    color: #f4f1ea;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.gallery__action:hover {
    background: rgba(28, 27, 25, 0.8);
}

.gallery__action--like.is-liked {
    color: var(--color-like);
    background: rgba(250, 248, 245, 0.9);
}

@media (hover: hover) {
    .gallery__actions {
        opacity: 0;
        transition: opacity 0.15s ease;
    }

    .gallery__item:hover .gallery__actions,
    .gallery__item:focus-within .gallery__actions {
        opacity: 1;
    }
}

@media (max-width: 1180px) {
    .gallery {
        column-count: 3;
    }
}

@media (max-width: 720px) {
    .gallery {
        column-count: 2;
        column-gap: 8px;
    }

    .gallery__item {
        margin-bottom: 8px;
    }
}

@media (max-width: 300px) {
    .gallery {
        column-count: 1;
    }
}

/* Fade-overlay met call-to-action boven de vergrendelde galerij */
.gallery-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 44%;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: var(--space-6);
    background: linear-gradient(
        to bottom,
        rgba(250, 248, 245, 0) 0%,
        var(--color-bg) 80%
    );
    pointer-events: none;
}

.gallery-overlay .btn {
    pointer-events: auto;
}

/* ==========================================================================
   Knoppen
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 15px 34px;
    font-family: inherit;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    border: 1px solid var(--color-text);
    border-radius: var(--radius-sm);
    background: var(--color-bg-raised);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
    background: var(--color-text);
    color: var(--color-bg-raised);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn--reveal {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.btn--primary {
    width: 100%;
    margin-top: var(--space-2);
}

.btn--text {
    padding: 4px 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-decoration: underline;
    text-underline-offset: 3px;
    flex-shrink: 0;
}

.btn--text:hover {
    background: none;
    color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-4);
}

.site-footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2) var(--space-5);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.site-footer__links {
    display: flex;
    gap: var(--space-4);
}

.site-footer__links a {
    text-decoration: none;
    color: var(--color-text-muted);
    border-bottom: 1px solid transparent;
}

.site-footer__links a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.site-footer__logo {
    display: block;
    width: auto;
}

.site-footer__logo--ncn {
    height: 44px;
}

.site-footer__credit {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.site-footer__logo--exid {
    height: 16px;
}

/* ==========================================================================
   Registratiemodal
   ========================================================================== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(20, 19, 17, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: 100;
}

.modal[hidden] {
    display: none;
}

.modal__dialog {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg-raised);
    border: 1px solid var(--color-border);
    padding: var(--space-5);
}

.modal__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: none;
    border: 0;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
}

.modal__close:hover {
    color: var(--color-text);
}

.modal__dialog h2 {
    margin: 0 0 var(--space-2);
    font-size: 1.4rem;
    padding-right: var(--space-5);
}

.modal__intro {
    margin: 0 0 var(--space-4);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--space-3);
}

.form-field label {
    font-size: 0.88rem;
    font-weight: 600;
}

.form-field input[type="text"],
.form-field input[type="email"] {
    padding: 11px 12px;
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-raised);
}

.form-field input[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-field--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
}

.form-field--checkbox input[type="checkbox"] {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    accent-color: var(--color-accent);
}

.form-field--checkbox label {
    font-weight: 400;
    font-size: 0.9rem;
    line-height: 1.45;
}

.form-field--checkbox a {
    color: var(--color-accent);
    text-decoration: underline;
}

.form-field__error {
    margin: 0;
    min-height: 1.1em;
    font-size: 0.82rem;
    color: var(--color-error);
}

.form-error {
    margin: 0 0 var(--space-3);
    font-size: 0.88rem;
    color: var(--color-error);
}

.form-error[hidden] {
    display: none;
}

@media (max-width: 560px) {
    .modal__dialog {
        padding: var(--space-4);
        max-width: 100%;
    }
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 9, 8, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: 200;
}

.lightbox[hidden] {
    display: none;
}

.lightbox__dialog {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__figure {
    margin: 0;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.lightbox__image {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox__caption {
    margin: 0;
    max-width: 70ch;
    text-align: center;
    font-size: 0.85rem;
    color: #eae6dd;
}

.lightbox__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.lightbox__action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid rgba(244, 241, 234, 0.35);
    border-radius: var(--radius-sm);
    background: none;
    color: #f4f1ea;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.lightbox__action:hover {
    border-color: #f4f1ea;
}

.lightbox__action--like.is-liked {
    color: var(--color-like);
    border-color: var(--color-like);
}

.lightbox__control {
    position: fixed;
    background: none;
    border: 0;
    color: #f4f1ea;
    font-size: 2.25rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--space-2);
}

.lightbox__control:hover {
    color: #c9c2b4;
}

.lightbox__close {
    top: var(--space-3);
    right: var(--space-3);
}

.lightbox__prev {
    left: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 600px) {
    .lightbox__control {
        font-size: 1.9rem;
    }

    .lightbox__image {
        max-height: 70vh;
    }
}