/* Basis */
:root {
    --olive: #556b2f;
    --olive-light: #8a9a5b;
    --green: #38594a;
    --cream: #f3efe4;
    --text: #3d3d3d;
    --card: rgba(248, 246, 240, 0.82);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    font-family: Arial, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: #fff;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url("../images/boom.jpg") center / cover no-repeat;
    opacity: 0.30;
}
img { max-width: 100%; height: auto; }
a { color: var(--green); }
h1, h2, h3 { color: var(--olive); font-weight: 500; }
p { margin: 0 0 1.25rem; font-size: 1.05rem; }
ul { margin: 0 0 1.25rem; }

.skip-link {
    position: fixed;
    top: 0;
    left: 1rem;
    z-index: 2000;
    padding: .75rem 1rem;
    color: #fff;
    background: var(--green);
    transform: translateY(-120%);
}
.skip-link:focus { transform: translateY(0); }

/* Header en navigatie */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(243, 239, 228, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(85, 107, 47, 0.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
.navbar {
    width: min(1400px, calc(100% - 60px));
    margin: 0 auto;
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.logo { display: block; flex-shrink: 0; }
.logo img { display: block; width: 350px; filter: drop-shadow(0 4px 12px rgba(0,0,0,.12)); }
.menu { display: flex; gap: 12px; margin: 0; padding: 0; list-style: none; }
.menu a {
    display: block;
    padding: 10px 18px;
    color: var(--olive);
    background: rgba(255,255,255,.28);
    border: 1px solid rgba(255,255,255,.4);
    border-radius: 999px;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
    transition: background-color .25s, color .25s, transform .25s, box-shadow .25s;
}
.menu a:hover, .menu a:focus-visible {
    background: rgba(107,142,35,.14);
    box-shadow: 0 5px 15px rgba(0,0,0,.08);
    transform: translateY(-2px);
}
.menu a.active-page { color: #fff; background: var(--olive); }

/* Titels, knoppen en kaarten */
.script-title {
    margin: 0 0 25px;
    font-family: "Comic Sans MS", "Comic Sans", Arial, sans-serif;
    font-size: clamp(2rem, 4vw, 2.4rem);
    font-weight: 600;
    line-height: 1.15;
}
.button, button {
    display: inline-block;
    padding: 14px 30px;
    color: #fff;
    background: var(--green);
    border: 0;
    border-radius: 30px;
    text-decoration: none;
    font: inherit;
    cursor: pointer;
    transition: background-color .25s, transform .25s;
}
.button:hover, button:hover { background: #294235; }
.button:focus-visible, button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--olive-light);
    outline-offset: 3px;
}
.info-box {
    position: relative;
    width: 100%;
    margin: 0 0 32px;
    padding: 40px;
    scroll-margin-top: 150px;
    background: var(--card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.5);
    border-radius: 22px;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s;
}
.info-box::before {
    content: "";
    position: absolute;
    top: -18px;
    left: 50%;
    width: 80px;
    height: 2px;
    background: #d8ddc8;
    transform: translateX(-50%);
}
.info-box:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,.09); }
.notice {
    margin-top: 1.5rem;
    padding: 1rem 1.1rem;
    background: rgba(255,255,255,.55);
    border-left: 4px solid var(--olive-light);
    border-radius: 8px;
}
.problems-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px 35px; padding-left: 24px; }
.sessie-info, .opleidingen { display: grid; gap: 10px; padding-left: 24px; }

/* Homepage */
.page-layout {
    width: min(1320px, calc(100% - 48px));
    margin: 36px auto 64px;
    display: grid;
    grid-template-columns: minmax(0, 900px) minmax(220px, 260px);
    gap: 40px;
    align-items: start;
}
.page-content, .page-sidebar { min-width: 0; }
.page-sidebar { align-self: stretch; }
.page-menu {
    position: sticky;
    top: 150px;
    width: 100%;
    max-height: calc(100vh - 175px);
    padding: 25px;
    overflow-y: auto;
    background: rgba(243,239,228,.72);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.page-menu h2 { margin: 0 0 15px; font-size: 1.2rem; }
.page-menu a {
    display: block;
    padding: 9px 10px 9px 13px;
    color: #3f4038;
    border-left: 3px solid transparent;
    border-radius: 0 10px 10px 0;
    text-decoration: none;
    transition: padding .25s, background-color .25s, border-color .25s;
}
.page-menu a:hover { padding-left: 17px; background: rgba(255,255,255,.32); border-left-color: var(--olive-light); }
.page-menu a.active { color: var(--olive); font-weight: 700; background: rgba(107,142,35,.1); border-left: 4px solid #6b8e23; }

/* Over mij */
.about {
    width: min(1100px, calc(100% - 60px));
    margin: 0 auto;
    padding: 70px 0;
    display: grid;
    grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
    gap: 50px;
    align-items: start;
}
.about-image { margin: 0; position: sticky; top: 150px; }
.about-image img { display: block; width: min(100%, 400px); border-radius: 20px; box-shadow: var(--shadow); }
.about-text { padding: 40px; background: var(--card); border-radius: 22px; box-shadow: var(--shadow); }

/* Contact */
.contact-container {
    width: min(1000px, calc(100% - 60px));
    margin: 0 auto;
    padding: 60px 0 80px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 50px;
}
.contact-info, .contact-form { padding: 40px; background: var(--card); border-radius: 22px; box-shadow: var(--shadow); }
.form-field { display: grid; gap: 8px; margin-bottom: 20px; }
label { color: var(--green); font-weight: 600; }
input, textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #cfcfcf;
    border-radius: 10px;
    background: rgba(255,255,255,.9);
    font: inherit;
}
textarea { min-height: 160px; resize: vertical; }
.form-note { margin-top: 1rem; font-size: .9rem; }

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 24px 20px;
    color: #fff;
    background: rgba(56,89,74,.96);
    text-align: center;
    border-top: 1px solid rgba(255,255,255,.15);
}
.site-footer h2, .site-footer h3 { margin: 0 0 8px; color: #fff; font-family: Georgia, serif; font-size: 1.35rem; }
.site-footer p { margin: 4px 0; font-size: .95rem; }
.site-footer a { color: #fff; }

@media (max-width: 900px) {
    .navbar { width: min(100% - 30px, 700px); flex-direction: column; gap: 14px; }
    .logo img { width: 260px; }
    .menu { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .page-layout { width: min(100% - 30px, 760px); display: block; margin: 25px auto 45px; }
    .page-sidebar { display: none; }
    .info-box { padding: 30px; scroll-margin-top: 190px; }
    .about { width: min(100% - 30px, 760px); grid-template-columns: 1fr; padding: 35px 0 55px; }
    .about-image { position: static; }
    .about-image img { margin: 0 auto; }
    .contact-container { width: min(100% - 30px, 760px); grid-template-columns: 1fr; padding: 35px 0 55px; }
}

@media (max-width: 600px) {
    .navbar { width: calc(100% - 24px); padding: 12px 0; }
    .logo img { width: 220px; }
    .menu { width: 100%; gap: 8px; }
    .menu li { flex: 1; }
    .menu a { width: 100%; padding: 9px 8px; text-align: center; font-size: .95rem; }
    .page-layout { width: calc(100% - 24px); margin-top: 20px; }
    .info-box, .about-text, .contact-info, .contact-form { padding: 24px 20px; border-radius: 18px; }
    .info-box { margin-bottom: 22px; scroll-margin-top: 170px; }
    .problems-list { display: block; }
    .problems-list li { margin-bottom: 8px; }
    .info-box:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

::selection { color: #fff; background: var(--olive-light); }