/* =============================
   BASIS & STADSKLEUR VARIABELEN
============================= */
:root {
    --stadskleur: #0344a4;        /* Jouw exacte stadskleur */
    --stadskleur-light: #1e63c7;  /* Lichtere variant voor interactie */
    --stadskleur-glow: rgba(3, 68, 164, 0.4);
    --bg-dark: #060912;
    --text-main: #eaf0ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

/* =============================
   BACKGROUND (BLUE EDITION)
============================= */
.bg-overlay {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 500px at 20% 10%, rgba(3, 68, 164, 0.2), transparent 60%),
        radial-gradient(900px 500px at 80% 10%, rgba(3, 68, 164, 0.15), transparent 60%);
    z-index: -1;
}

/* =============================
   TOPBAR
============================= */
.topbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    padding: 0 60px;
    background: rgba(6, 9, 18, 0.85);
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 999;
    border-bottom: 1px solid var(--stadskleur);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 900;
    font-size: 18px;
}

.logo {
    height: 42px;
    filter: drop-shadow(0 0 10px var(--stadskleur-glow));
}

.nav a {
    margin: 0 16px;
    text-decoration: none;
    color: rgba(234, 240, 255, 0.75);
    font-weight: 600;
    transition: .25s;
}

.nav a:hover,
.nav a.active {
    color: var(--stadskleur-light);
    text-shadow: 0 0 8px var(--stadskleur-glow);
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

/* =============================
   BUTTONS (TR BLUE STYLE)
============================= */
.btn-main,
.btn-outline,
.btn-ghost {
    border-radius: 14px;
    text-decoration: none;
    font-weight: 800;
    transition: .3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-main {
    padding: 14px 30px;
    background: var(--stadskleur);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(3, 68, 164, 0.4);
    border: none;
}

.btn-main:hover {
    transform: translateY(-3px);
    background: var(--stadskleur-light);
    box-shadow: 0 12px 35px rgba(3, 68, 164, 0.6);
}

.btn-outline {
    padding: 13px 26px;
    border: 2px solid var(--stadskleur);
    color: var(--stadskleur-light);
}

.btn-outline:hover {
    background: rgba(3, 68, 164, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--stadskleur-glow);
}

.btn-ghost {
    padding: 13px 26px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(234, 240, 255, 0.85);
}

.btn-ghost:hover {
    background: rgba(3, 68, 164, 0.1);
    border-color: var(--stadskleur);
}

.large { font-size: 16px; }
.huge { font-size: 20px; padding: 20px 38px; }

/* =============================
   HERO (INDEX)
============================= */
.hero {
    min-height: 100vh;
    padding-top: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-inner {
    max-width: 900px;
}

.hero-logo {
    width: 200px;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 40px var(--stadskleur));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0); }
}

.hero h1 {
    font-size: clamp(48px, 6vw, 90px);
    font-weight: 900;
    background: linear-gradient(90deg, #ffffff, var(--stadskleur-light));
    -webkit-background-clip: text;
    color: transparent;
}

.hero p {
    max-width: 720px;
    margin: 24px auto;
    font-size: 18px;
    color: rgba(234, 240, 255, 0.8);
}

.hero-actions {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* =============================
   SECTIONS
============================= */
.section {
    padding: 140px 12%;
}

.section.dark {
    background: rgba(255, 255, 255, 0.02);
}

.section-header {
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 900;
}

.section-header span {
    color: var(--stadskleur-light);
    font-weight: 700;
}

/* =============================
   INFO CARDS
============================= */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.info-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 36px;
    transition: .35s;
}

.info-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
    border-color: var(--stadskleur);
    background: rgba(3, 68, 164, 0.05);
}

/* =============================
   APV PAGINA
============================= */
.apv-hero {
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
}

.apv-hero h1 {
    font-size: 52px;
    font-weight: 900;
}

.apv-hero p {
    max-width: 700px;
    margin: 20px auto;
    color: rgba(234, 240, 255, 0.75);
}

.apv-wrapper {
    max-width: 1100px;
    margin: 0 auto 120px;
    padding: 0 20px;
}

/* =============================
   APV ACCORDION
============================= */
.apv-item {
    margin-bottom: 20px;
    border-radius: 18px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.apv-header {
    width: 100%;
    padding: 26px 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #eaf0ff;
    font-size: 17px;
    font-weight: 800;
}

.apv-header small {
    color: var(--stadskleur-light);
    font-weight: 700;
}

.apv-header .chevron {
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--stadskleur);
    border-bottom: 2px solid var(--stadskleur);
    transform: rotate(45deg);
    transition: .3s;
}

.apv-item.open .chevron {
    transform: rotate(-135deg);
}

.apv-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s ease, padding .35s ease;
    padding: 0 30px;
}

.apv-item.open .apv-body {
    max-height: 10000px; /* stond op 2000px */
    padding: 20px 30px 30px;
}

.apv-body p,
.apv-body li {
    color: rgba(234, 240, 255, 0.8);
    margin-bottom: 12px;
    line-height: 1.6;
}

.apv-body ul {
    padding-left: 18px;
}

/* =============================
   FOOTER
============================= */
.footer {
    padding: 40px;
    text-align: center;
    color: rgba(234, 240, 255, 0.55);
    border-top: 1px solid var(--stadskleur);
}

/* =============================
   RESPONSIVE
============================= */
@media (max-width: 1000px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 700px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .nav {
        display: none;
    }

    .section {
        padding: 90px 20px;
    }

    .topbar {
        padding: 0 20px;
    }
}

/* =============================
   APV TOOLS (ZOEKEN + CATEGORIE)
============================= */
.apv-tools {
    max-width: 1100px;
    margin: 0 auto 60px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.apv-search {
    flex: 1;
}

.apv-search input {
    width: 100%;
    padding: 18px 22px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
    color: #eaf0ff;
    font-size: 16px;
    outline: none;
    transition: .3s;
}

.apv-search input::placeholder {
    color: rgba(234, 240, 255, 0.5);
}

.apv-search input:focus {
    border-color: var(--stadskleur);
    box-shadow: 0 0 0 4px var(--stadskleur-glow);
}

/* STRAF CATEGORIEËN (BLUE THEME) */
.apv-categories {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cat {
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #eaf0ff;
    cursor: default;
}

/* KLEUREN PER CATEGORIE (NU ALLEMAAL BLAUW-GEBASEERD) */
.c1 { border-color: #8bb9ff; color: #8bb9ff; }
.c2 { border-color: #5d9bff; color: #5d9bff; }
.c3 { border-color: #3e88ff; color: #3e88ff; }
.c4 { border-color: var(--stadskleur); color: var(--stadskleur); }
.c5 { border-color: #023682; color: #023682; }
.c6 { border-color: #022a65; color: #022a65; }
.c7 { border-color: #011d47; color: #011d47; }
.c8 { border-color: #011129; color: #011129; }
.c9 { border-color: #000a1a; color: #000a1a; }
.c10 { border-color: #000000; color: #000000; }

@media (max-width: 900px) {
    .apv-tools {
        flex-direction: column;
        align-items: stretch;
    }
}

.apv-mark {
  background: var(--stadskleur-glow);
  color: #ffffff;
  padding: 0 .15em;
  border-radius: .3em;
  box-shadow: 0 0 0 2px rgba(3, 68, 164, 0.2);
}