:root {
    --color-primary: #1a3a6b;
    --color-primary-dark: #0f2447;
    --color-secondary: #4a90d9;
    --color-accent: #7af0ff;
    --color-text: #1a1a2e;
    --color-text-light: #f0f4f8;
    --color-muted: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --gradient-hero: linear-gradient(135deg, #0f2447 0%, #1a3a6b 50%, #2d5a9e 100%);
    --gradient-section: linear-gradient(135deg, #e8f4fd 0%, #f0f8ff 100%);
    --gradient-about: linear-gradient(135deg, #1a3a6b 0%, #2d5a9e 100%);
    --font-heading: 'Raleway', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-ui: 'Roboto', sans-serif;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

a { color: var(--color-secondary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 36, 71, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.site-logo img { height: 50px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 1.5rem; }

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--color-text-light);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.main-nav a:hover { color: var(--color-accent); text-decoration: none; }

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-switcher a {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--color-text-light);
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-decoration: none;
}

.lang-switcher a.active,
.lang-switcher a:hover {
    background: rgba(255, 255, 255, 0.15);
    text-decoration: none;
}

.lang-switcher img { width: 18px; height: 14px; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    background: var(--gradient-hero);
    color: var(--color-text-light);
    padding: 5rem 1.5rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(122, 240, 255, 0.1) 0%, transparent 60%);
}

.hero-content { position: relative; max-width: 800px; margin: 0 auto; }

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* About */
.about-section {
    background: var(--gradient-section);
    padding: 5rem 1.5rem;
}

.about-section h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--color-muted);
    font-size: 1.05rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.about-card {
    background: white;
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-secondary);
}

.about-card p { color: var(--color-muted); font-size: 0.95rem; }

/* Blog section */
.blog-section {
    padding: 5rem 1.5rem;
    background: var(--color-bg);
}

.section-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: 0.5rem;
}

.blog-section h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--color-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.post-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.post-card-image-link {
    display: block;
    text-decoration: none;
}

.post-card-image {
    height: 200px;
    background: var(--gradient-about);
    overflow: hidden;
}

.post-card-image--placeholder {
    background: var(--gradient-about);
}

.post-card-image img { width: 100%; height: 100%; object-fit: cover; }

.post-card-body { padding: 1.5rem; }

.post-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.post-card h3 a { color: var(--color-primary); text-decoration: none; }
.post-card h3 a:hover { color: var(--color-secondary); }

.post-meta {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-bottom: 0.75rem;
}

.post-excerpt { font-size: 0.9rem; color: var(--color-muted); }

/* Page content */
.page-hero {
    background: var(--gradient-hero);
    color: var(--color-text-light);
    padding: 3rem 1.5rem;
    text-align: center;
}

.page-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.page-featured-image {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
}

.page-featured-image img {
    width: 100%;
    max-height: 380px;
    object-fit: contain;
    object-position: center;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: var(--color-bg-alt);
    display: block;
}

.page-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

.page-content h2, .page-content h3, .page-content h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin: 1.5rem 0 0.75rem;
}

.page-content p { margin-bottom: 1rem; }
.page-content ul, .page-content ol { margin: 1rem 0 1rem 1.5rem; }
.page-content img { border-radius: var(--radius); margin: 1rem 0; }
.page-content hr { border: none; border-top: 1px solid #e5e7eb; margin: 2rem 0; }

/* Form pages */
.page-content--form {
    padding-top: 1.5rem;
}

.page-intro {
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.page-content--form .page-intro {
    max-width: 600px;
    margin: 0 auto 1.25rem;
    text-align: center;
}

/* Contact page */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
    max-width: var(--max-width);
    margin: 0 auto;
}

.contact-image {
    border-radius: var(--radius);
    overflow: hidden;
    border: 3px solid rgba(250, 250, 250, 0.43);
    box-shadow: var(--shadow);
    min-height: 480px;
}

.contact-image img {
    width: 100%;
    height: 100%;
    min-height: 480px;
    object-fit: cover;
    display: block;
}

.contact-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.contact-heading {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1.35;
    margin-bottom: 1rem;
}

.contact-heading span {
    color: var(--color-secondary);
}

.btn-calendar {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-secondary);
    color: white;
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-calendar:hover {
    background: var(--color-primary);
    text-decoration: none;
    color: white;
}

.contact-main .form-section {
    margin: 0;
}

/* Forms */
.form-section {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.75rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.2);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.85rem 2rem;
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover { background: var(--color-primary-dark); }

.messages { max-width: var(--max-width); margin: 1rem auto; padding: 0 1.5rem; }

.message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
}

.message-success { background: #d1fae5; color: #065f46; }
.message-error { background: #fee2e2; color: #991b1b; }

/* Footer */
.site-footer {
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    padding: 3rem 1.5rem 2rem;
    margin-top: 4rem;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    align-items: center;
}
.footer-nav li { margin: 0; }
.footer-nav a { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; white-space: nowrap; }
.footer-nav a:hover { color: var(--color-accent); }

.footer-copy {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Post detail */
.post-header {
    background: var(--gradient-hero);
    color: var(--color-text-light);
    padding: 3rem 1.5rem;
}

.post-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    max-width: var(--max-width);
    margin: 0 auto;
}

.post-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.post-body h2, .post-body h3 { font-family: var(--font-heading); color: var(--color-primary); margin: 1.5rem 0 0.75rem; }
.post-body p { margin-bottom: 1rem; }
.post-body ul { margin: 1rem 0 1rem 1.5rem; }
.post-body img { border-radius: var(--radius); margin: 1rem 0; }

/* Newsletter popup */
.newsletter-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(15, 36, 71, 0.72);
    backdrop-filter: blur(4px);
}

.newsletter-overlay[hidden] {
    display: none;
}

body.newsletter-open {
    overflow: hidden;
}

.newsletter-modal {
    position: relative;
    width: min(100%, 480px);
    padding: 2rem;
    border-radius: calc(var(--radius) * 1.5);
    background: var(--color-bg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.newsletter-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    border: 0;
    background: transparent;
    color: var(--color-muted);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
}

.newsletter-eyebrow {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.newsletter-modal h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.newsletter-lead {
    color: var(--color-muted);
    margin-bottom: 1.5rem;
}

.newsletter-form .form-group input[type="text"],
.newsletter-form .form-group input[type="email"] {
    width: 100%;
}

.newsletter-privacy-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--color-text);
    cursor: pointer;
}

.newsletter-privacy-label input {
    margin-top: 0.2rem;
}

.newsletter-submit {
    width: 100%;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-image,
    .contact-image img {
        min-height: 280px;
    }

    .nav-toggle { display: block; }
    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-primary-dark);
        padding: 1rem 1.5rem;
    }
    .main-nav.open ul { display: flex; }
    .header-inner { position: relative; }
}