:root {
    --primary-color: #1A2A4A;
    --accent-color: #6A8BAA;
    --secondary-color: #F8F8F8;
    --text-color: #333333;
    --text-muted: #666;
    --white-color: #FFFFFF;
    --border-color: #E0E0E0;

    --font-family: 'Open Sans', 'Noto Sans', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    --container-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-xxl: 120px;

    --border-radius: 8px;
    --transition-speed: 0.3s;
}

/* --- RESET & BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--white-color);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
p { margin-bottom: var(--spacing-sm); }
ul, ol { list-style-position: inside; margin-bottom: var(--spacing-sm); }

/* --- HEADER & NAVIGATION --- */
.main-header {
    background-color: var(--white-color);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--border-color);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}
.logo:hover { text-decoration: none; }

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    position: relative;
    text-decoration: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed) ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
}

/* --- HERO SECTIONS --- */
.hero-home {
    position: relative;
    color: var(--white-color);
    display: flex;
    align-items: center;
    min-height: 80vh;
    padding: var(--spacing-xxl) 0;
}
.hero-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}
.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(26, 42, 74, 0.7);
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}
.hero-content h1 {
    color: var(--white-color);
}
.hero-content .subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    opacity: 0.9;
}
.hero-page {
    position: relative;
    color: var(--white-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 40vh;
    padding: var(--spacing-xl) 0;
}
.hero-page .hero-content {
    max-width: 800px;
}
.hero-page .subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}
.article-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    color: var(--white-color);
}

/* --- BUTTONS & LINKS --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
}
.btn-primary {
    background-color: var(--accent-color);
    color: var(--white-color);
}
.btn-primary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}
.text-link {
    font-weight: 600;
    color: var(--accent-color);
}
.text-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}
.disabled-link {
    color: var(--text-muted);
    pointer-events: none;
}

/* --- SECTIONS --- */
section {
    padding: var(--spacing-xl) 0;
}
.section-values, .section-articles, .section-articles-list {
    background-color: var(--secondary-color);
}
.section-header {
    margin-bottom: var(--spacing-lg);
}
.section-header.text-center { text-align: center; }
.section-header.text-center p { max-width: 650px; margin-left: auto; margin-right: auto; }

/* --- ASYMMETRIC & CONTENT STYLES --- */
.content-container { max-width: 900px; }
.content-asymmetric {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}
.content-image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.content-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.content-section-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xl) 0;
}
@media (min-width: 768px) {
    .content-asymmetric { grid-template-columns: 2fr 1fr; }
    .content-asymmetric.reverse { grid-template-columns: 1fr 2fr; }
    .content-asymmetric.reverse .content-image-wrapper { grid-row: 1; }
}

/* --- HOME PAGE SECTIONS --- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}
.value-card {
    background-color: var(--white-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}
.value-icon {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}
.landscape-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}
.landscape-item {
    padding: var(--spacing-md);
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
}
.about-snippet-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}
.about-snippet-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

@media (min-width: 992px) {
    .about-snippet-content {
        grid-template-columns: 1fr 1.2fr;
    }
}

/* --- ARTICLE CARDS --- */
.articles-grid, .articles-grid-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}
@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .articles-grid-full {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .articles-grid-full {
        grid-template-columns: repeat(3, 1fr);
    }
}

.article-card {
    background: var(--white-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
}
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}
.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.article-card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.article-card-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}
.article-card-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: var(--spacing-sm);
}
.article-meta {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

/* --- ARTICLE CONTENT PAGE --- */
.article-container { max-width: 800px; }
.section-article-content { background-color: var(--white-color); }
.article-image {
    margin: var(--spacing-lg) 0;
}
.article-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}
.article-image figcaption {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
}
.callout {
    background-color: var(--secondary-color);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--primary-color);
}
.ecosystem-schema {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    position: relative;
}
.schema-layer {
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}
.schema-layer h3 { font-size: 1.2rem; margin-bottom: 5px; }
.schema-layer span { font-size: 0.9rem; color: var(--text-muted); }
.arrow { color: var(--accent-color); font-size: 1.5rem; }
.schema-side-layer { 
    border: 2px dashed var(--accent-color); 
    padding: var(--spacing-md); 
    margin-top: var(--spacing-md); 
    border-radius: var(--border-radius);
}
.schema-side-layer h3 { color: var(--accent-color); }

/* --- OVER ONS PAGE --- */
.values-grid-detailed {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}
@media (min-width: 768px) {
    .values-grid-detailed { grid-template-columns: repeat(2, 1fr); }
}
.value-card-detailed {
    background-color: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}
.value-card-detailed h3 { margin-bottom: var(--spacing-xs); }
.value-card-detailed p { margin-bottom: 0; }

/* --- CONTACT PAGE --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}
@media (min-width: 992px) {
    .contact-grid { grid-template-columns: 1fr 1.2fr; }
}
.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}
.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 4px;
}
.contact-item strong {
    display: block;
    color: var(--primary-color);
}
.contact-item p { margin-bottom: 0; }

.contact-form-wrapper {
    background-color: var(--secondary-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}
.form-group { margin-bottom: var(--spacing-md); }
.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(106, 139, 170, 0.2);
}
.map-container {
    width: 100%;
    height: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin: 40px 0;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}
@media (max-width: 768px) {
    .map-container { height: 350px; border-radius: 8px; }
}


/* --- THANK YOU / 404 PAGE --- */
.thank-you-section {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 20px;
}
.thank-you-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}
.thank-you-icon svg {
  width: 40px;
  height: 40px;
  color: white;
}
.thank-you-section h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 20px;
}
.thank-you-section p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 30px;
}
.heading-404 {
    font-size: clamp(4rem, 15vw, 8rem);
    color: var(--accent-color);
    line-height: 1;
}

/* --- FAQ ACCORDION --- */
.faq-section { margin-top: var(--spacing-lg); }
.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-color);
}
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform var(--transition-speed);
}
.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
}
.faq-answer p { padding: 0 var(--spacing-sm) var(--spacing-sm); margin: 0; }
.faq-item.active .faq-answer {
    max-height: 300px; /* Adjust as needed */
}

/* --- FOOTER --- */
.main-footer {
    background-color: var(--primary-color);
    color: rgba(255,255,255,0.8);
    padding: var(--spacing-lg) 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}
.footer-column h4 {
    color: var(--white-color);
    margin-bottom: var(--spacing-sm);
}
.footer-column p, .footer-column address {
    font-size: 0.9rem;
    font-style: normal;
}
.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}
.footer-column a {
    color: rgba(255,255,255,0.8);
}
.footer-column a:hover {
    color: var(--white-color);
    text-decoration: underline;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding: var(--spacing-sm) 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- COOKIE BANNER --- */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: var(--spacing-sm) 0;
    z-index: 9999;
    display: none;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
}
#cookie-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}
#cookie-banner p {
    margin: 0;
    font-size: 0.9rem;
}
#cookie-banner a {
    color: var(--white-color);
    text-decoration: underline;
}
.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}
#cookie-banner .btn-primary { background-color: var(--accent-color); border: none; }
#cookie-banner .btn-secondary { color: var(--white-color); border-color: var(--white-color); }


/* --- RESPONSIVE STYLES --- */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white-color);
        flex-direction: column;
        padding: var(--spacing-xxl) var(--spacing-lg);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right var(--transition-speed) ease;
    }
    .nav-links.active {
        right: 0;
    }
    .hamburger {
        display: block;
    }
    .hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .articles-grid-full {
        grid-template-columns: 1fr;
    }
    
    #cookie-banner .container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}