/* ==========================================================================
   Brandveiligheidspaspoort - Opgeschoond Style Sheet
   Structuur:
   1. Globale Variabelen & Basisstijlen
   2. Herbruikbare Componenten (Header, Footer, Knoppen)
   3. Pagina-specifieke Secties
   4. Hulpprogramma's & Media Queries
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Globale Variabelen & Basisstijlen
   -------------------------------------------------------------------------- */
:root {
  /* Kleuren */
  --color-primary-red: #C62828;
  --color-primary-blue: #0D47A1;
  --color-accent-orange: #FF9800;
  --color-accent-green: #388E3C;
  
  /* Achtergronden en Randen */
  --color-bg-light: #F5F5F5;
  --color-bg-white: #FFFFFF;
  --color-border: #E0E0E0;

  /* Tekstkleuren */
  --color-text-dark: #212121;
  --color-text-light: #FFFFFF;
  --color-text-muted: #6c757d;

  /* Fonts */
  --font-family-base: 'Inter', sans-serif;
}

body {
  font-family: var(--font-family-base);
  margin: 0;
  background-color: var(--color-bg-white);
  color: var(--color-text-dark);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

h1, h2, h3 {
  color: var(--color-primary-blue);
  font-weight: 700;
  line-height: 1.2;
}

.section-tag {
  color: var(--color-primary-red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 0.5rem;
}

/* --------------------------------------------------------------------------
   2. Herbruikbare Componenten
   -------------------------------------------------------------------------- */

/* --- Header --- */
.main-header {
    background-color: var(--color-primary-blue);
    color: var(--color-bg-white);
    padding: 1.25rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-bg-white);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo svg {
    margin-right: 0.75rem;
    width: 32px;
    height: 32px;
    color: var(--color-primary-red);
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-bg-white);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 0;
    transition: color 0.2s ease-in-out;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-primary-red);
    outline: none;
}

.main-nav .nav-button {
    background-color: var(--color-primary-red);
    color: var(--color-bg-white);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.95rem;
    transition: background-color 0.2s ease-in-out, transform 0.1s ease-in-out;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: none;
    flex-shrink: 0;
}

.main-nav .nav-button:hover,
.main-nav .nav-button:focus {
    background-color: #e63946;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* --- Knoppen --- */
.nav-button, .cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.2s, border-color 0.2s;
  background-color: var(--color-primary-red);
  color: var(--color-text-light);
  border: 2px solid var(--color-primary-red);
}

.nav-button:hover, .cta-button:hover {
  background-color: #B71C1C;
  border-color: #B71C1C;
}

.cta-button-secondary {
  background-color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
}

.cta-button-secondary:hover {
  background-color: #0b3a85;
  border-color: #0b3a85;
}

/* --- Footer --- */
.main-footer {
  background-color: var(--color-primary-blue);
  color: var(--color-text-light);
  padding: 2rem 0;
  margin-top: 4rem;
}

.main-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.main-footer p {
    margin: 0;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: var(--color-primary-red);
}


/* --------------------------------------------------------------------------
   3. Pagina-specifieke Secties
   -------------------------------------------------------------------------- */

/* --- Homepage --- */
.hero-v3 {
  position: relative;
  padding: 8rem 0;
  color: var(--color-text-light);
  background: url('test.jpg') no-repeat center center;
  background-size: cover;
  text-align: left;
}

.hero-v3::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(13, 71, 161, 0.1);
  z-index: 1;
}

.hero-v3 .container {
  position: relative;
  z-index: 2;
}

.hero-v3 .hero-title {
  color: var(--color-text-light);
  font-size: 3.5rem;
}

.hero-v3 .hero-subtitle {
  color: #E3F2FD;
  font-size: 1.25rem;
  max-width: 550px;
}

.hero-cta-buttons {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
}

.guide-section {
  padding: 6rem 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.guide-intro h2 {
  font-size: 2.5rem;
  margin-top: 0;
}

.guide-card {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
}

.guide-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #FCE4EC;
  color: var(--color-primary-red);
  margin-bottom: 1.5rem;
}

.guide-card-icon svg {
  width: 28px;
  height: 28px;
}

.guide-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
}

/* --- Homepage: Latest Article Section --- */
.latest-article-section {
  padding: 6rem 0;
  background-color: var(--color-bg-light);
}

.latest-article-section h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-top: 0;
  margin-bottom: 3rem;
}

.latest-article-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  background-color: var(--color-bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
}

.latest-article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.latest-article-content {
  padding: 2rem;
}

.latest-article-content h3 {
  margin-top: 0;
  font-size: 1.75rem;
}

.latest-article-content p {
  margin-bottom: 2rem;
}


/* --- Analyse Pagina --- */
.analyzer-section {
  padding: 4rem 0;
  background-color: var(--color-bg-light);
  min-height: 80vh;
}

.analyzer-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-bg-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  overflow: hidden;
}

.progress-bar {
  background-color: var(--color-border);
  padding: 2px;
  position: relative;
  height: 30px;
  display: flex;
  align-items: center;
}

.progress-bar-fill {
  background-color: var(--color-primary-blue);
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease-in-out;
}

.progress-bar-text {
  position: absolute;
  width: 100%;
  text-align: center;
  color: var(--color-text-dark);
  font-weight: 600;
  font-size: 0.875rem;
  mix-blend-mode: difference;
  filter: invert(1) grayscale(1);
}

.question-card {
  padding: 2rem 2.5rem 2.5rem 2.5rem;
}

.question-category {
  display: inline-block;
  background-color: #FCE4EC;
  color: var(--color-primary-red);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.question-text {
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.question-subtext {
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: -1.5rem;
  margin-bottom: 2rem;
}

.answer-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.answer-option {
  display: block;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.answer-option:hover {
  background-color: var(--color-bg-light);
}

.answer-option input[type="radio"] {
  display: none;
}

.answer-option input[type="radio"]:checked + span {
 font-weight: 700;
}

.answer-option input[type="radio"]:checked ~ {
  border-color: var(--color-primary-blue);
  background-color: #E3F2FD;
}

.analyzer-nav {
  display: flex;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.nav-button-primary, .nav-button-secondary {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}

.nav-button-primary {
  background-color: var(--color-primary-red);
  color: var(--color-text-light);
}

.nav-button-secondary {
  background-color: transparent;
  color: var(--color-text-dark);
  border: 2px solid var(--color-border);
}

.nav-button-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Resultatenpagina (via JS) --- */
.results-card { padding: 2.5rem; text-align: center; }
.score-circle { width: 180px; height: 180px; border-radius: 50%; border: 10px solid; margin: 1rem auto; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.score-percentage { font-size: 3.5rem; font-weight: 700; line-height: 1; }
.score-label { font-weight: 600; }
.action-plan { text-align: left; margin-top: 2.5rem; }
.action-plan h4 { font-size: 1.25rem; border-bottom: 2px solid var(--color-border); padding-bottom: 0.5rem; margin-bottom: 1rem; }
.action-plan ul { list-style: none; padding: 0; }
.feedback-item { padding: 1rem; border-radius: 6px; margin-bottom: 0.75rem; border-left: 5px solid; }
.feedback-item strong { display: block; margin-bottom: 0.25rem; }
.feedback-item.is-rood { background-color: #ffcdd2; border-color: var(--color-primary-red); }
.feedback-item.is-oranje { background-color: #FFECB3; border-color: var(--color-accent-orange); }
.feedback-item.is-groen { background-color: #C8E6C9; border-color: var(--color-accent-green); }


/* --- Kennisbank & Artikels --- */
.page-header-section {
  padding: 4rem 0;
  background-color: var(--color-bg-light);
}

.page-header-section h1 {
  font-size: 3rem;
  margin: 0.5rem 0;
}

.page-header-section .subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 650px;
}

.downloads-section,
.articles-overview-section {
  padding: 4rem 0;
}

.article-search-bar {
    margin-bottom: 3rem;
}

.article-search-bar input {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-family-base);
}

.articles-overview-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.featured-grid {
    grid-template-columns: 1fr;
}

.article-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text-dark);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.article-card.is-featured {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
}

.article-card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.article-card.is-featured .article-card-image {
    height: 100%;
    min-height: 300px;
}

.article-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-card-category {
    color: var(--color-primary-red);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.article-card-title {
    margin: 0 0 0.75rem 0;
    font-size: 1.25rem;
    color: var(--color-primary-blue);
}

.article-card-summary {
    margin: 0;
    flex-grow: 1;
    color: var(--color-text-muted);
}

.article-card-link {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--color-primary-red);
}

/* --- Waardebepaling Calculator --- */
.calculator-section {
    padding: 4rem 0;
}

.calculator-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.calculator-wrapper fieldset {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem 2rem 2rem 2rem;
    margin-bottom: 2.5rem;
}

.calculator-wrapper legend {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    padding: 0 0.5rem;
    margin-left: -0.5rem;
}

.form-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.form-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-group label {
    flex: 1 1 300px;
    font-weight: 600;
}

.form-group .input-wrapper {
    flex: 1 1 250px;
    display: flex;
}

.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-family-base);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.results-wrapper {
    margin-top: 4rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2.5rem;
    display: none;
}

.results-wrapper h2 {
    font-size: 2rem;
    margin-top: 0;
    text-align: center;
    margin-bottom: 2rem;
}

#resultaat-uitsplitsing ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

#resultaat-uitsplitsing li {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

#resultaat-uitsplitsing li.total-row {
    font-weight: 700;
    border-top: 2px solid var(--color-text-dark);
    margin-top: 1rem;
    padding-top: 1rem;
}

.grand-total {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--color-primary-blue);
    color: var(--color-text-light);
    text-align: center;
    border-radius: 6px;
}

.grand-total h3 {
    color: var(--color-text-light);
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.grand-total p {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.1;
}


/* --------------------------------------------------------------------------
   4. Hulpprogramma's & Media Queries
   -------------------------------------------------------------------------- */

/* --- Animatie voor validatie --- */
@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

.question-card.has-error {
  animation: shake 0.6s;
}

/* --- Responsive Media Queries --- */
@media (max-width: 900px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .guide-intro {
    text-align: center;
    margin-bottom: 2rem;
  }
  .latest-article-wrapper {
    grid-template-columns: 1fr;
  }
  .article-card.is-featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-v3 .hero-title {
    font-size: 2.5rem;
  }
  .main-nav {
    display: none; /* Tijdelijke oplossing. Vereist een JS-gebaseerd hamburgermenu voor productie. */
  }
  .main-footer .container {
    flex-direction: column;
    text-align: center;
  }
}