/* ==========================================================================
   ALZLIGHT STAGE III — Website Stylesheet
   ==========================================================================
   Color palette inspired by clinical/medical aesthetics with a warm,
   trustworthy feel (blues, teals, and soft neutrals).
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --color-primary: #1e4b7a;      /* Calm deep blue – Region Sjælland-inspired */
    --color-primary-light: #3a6fa8; /* Softer medium blue */
    --color-accent: #2d6da4;        /* Subtle blue accent */
    --color-accent-light: #5a93c4;  /* Light blue accent */
    --color-warm: #3a6fa8;          /* Matches primary palette (no yellow) */
    --color-warm-light: #4d82b8;
    --color-bg-white: #ffffff;
    --color-bg-light: #f3f6fa;
    --color-bg-accent: #e8eff7;
    --color-text: #1a2a3a;
    --color-text-light: #384f64;
    --color-text-muted: #627a8f;
    --color-border: #d0d8e0;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                   Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1100px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.10);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 18px;
    background: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    line-height: 1.3;
    font-weight: 700;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--color-accent);
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-primary);
}
.nav-logo:hover { color: var(--color-primary); }

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-links a {
    padding: 8px 12px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-links a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.nav-cta {
    background: var(--color-primary) !important;
    color: #fff !important;
}
.nav-cta:hover {
    background: var(--color-primary-light) !important;
    color: #fff !important;
}

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1e4b7a 0%, #2d6da4 50%, #1a3f6b 100%);
    overflow: hidden;
    padding: 110px 24px 64px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(90, 147, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(58, 111, 168, 0.20) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero-heading {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero-subheading {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    background: #ffffff;
    border-color: #ffffff;
    color: var(--color-primary) !important;
    font-weight: 700;
}
.hero-cta:hover {
    background: var(--color-bg-light);
    border-color: var(--color-bg-light);
    color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(30, 75, 122, 0.25);
}

/* ==========================================================================
   STICKY CONTACT BUTTON
   ========================================================================== */
.sticky-contact {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-primary);
    color: #fff !important;
    padding: 14px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 6px 24px rgba(30, 75, 122, 0.35);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.35s ease;
}
.sticky-contact.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.sticky-contact:hover {
    background: var(--color-primary-light);
    color: #fff !important;
    box-shadow: 0 8px 32px rgba(30, 75, 122, 0.45);
    transform: translateY(-2px);
}
.sticky-contact svg {
    flex-shrink: 0;
}

/* ==========================================================================
   DISCLAIMER BANNER
   ========================================================================== */
.disclaimer-banner {
    background: var(--color-bg-accent);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
    text-align: center;
}
.disclaimer-banner p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    font-style: italic;
    margin: 0;
}

/* ==========================================================================
   SINGLE CARD (treatment, notices)
   ========================================================================== */
.single-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-sm);
    padding: 28px 32px;
    box-shadow: var(--shadow);
    max-width: 720px;
    margin: 0 auto;
}

.single-card p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}
.single-card p:last-child {
    margin-bottom: 0;
}

.single-card--notice {
    border-left: 4px solid var(--color-accent);
}

/* ==========================================================================
   SECTIONS (general)
   ========================================================================== */
.section {
    padding: 64px 0;
}

.section-white { background: var(--color-bg-white); }
.section-light { background: var(--color-bg-light); }
.section-accent { background: var(--color-bg-accent); }

.section-heading {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--color-primary);
    margin-bottom: 16px;
    text-align: center;
}

.section-intro {
    text-align: center;
    color: var(--color-text-light);
    max-width: 680px;
    margin: 0 auto 40px;
    font-size: 1.08rem;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.text-block p {
    margin-bottom: 16px;
    font-size: 1.08rem;
    color: var(--color-text-light);
}

/* ---------- Device Showcase ---------- */
.device-showcase {
    text-align: center;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    box-shadow: var(--shadow);
}

.device-image-wrapper {
    margin-bottom: 6px;
}

.device-image {
    width: 100%;
    max-width: 360px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.device-caption {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.device-copyright {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* (Treatment cards replaced by .single-card) */

/* ==========================================================================
   ELIGIBILITY & REQUIREMENTS
   ========================================================================== */
.eligibility-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 780px;
    margin: 0 auto 20px;
}

.eligibility-box {
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    padding: 24px 28px;
    box-shadow: var(--shadow);
}

.eligibility-box h3 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 14px;
    font-weight: 700;
}

.eligibility-box ul {
    list-style: none;
    padding: 0;
}

.eligibility-box ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.eligibility-box ul li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.eligibility-box ul li:last-child {
    margin-bottom: 0;
}

/* Criteria list (single-box version) */
.criteria-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.criteria-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}
.criteria-list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}
.criteria-list li:last-child {
    margin-bottom: 0;
}

/* Requirements checklist */
.requirements-list {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.requirement-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    padding: 16px 22px;
    box-shadow: var(--shadow);
}

.requirement-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 1px;
}

.requirement-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   EXAMINATIONS SECTION
   ========================================================================== */
.exam-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.exam-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.exam-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.exam-icon {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: var(--color-bg-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    margin-bottom: 14px;
}

.exam-card p {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
}

.exam-extra {
    max-width: 740px;
    margin: 0 auto;
    text-align: center;
}
.exam-extra p {
    color: var(--color-text-light);
    margin-bottom: 12px;
}

/* ==========================================================================
   PARTICIPATE SECTION — Timeline
   ========================================================================== */
.subsection-heading {
    font-size: 1.2rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 32px;
}

.timeline {
    position: relative;
    max-width: 680px;
    margin: 0 auto 40px;
    padding-left: 32px;
}

/* Vertical line */
.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
    position: relative;
}
.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-week {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    padding: 6px 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 50px;
    white-space: nowrap;
}

.timeline-content {
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    flex: 1;
    box-shadow: var(--shadow);
}

.timeline-title {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.timeline-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-note {
    text-align: center;
    font-size: 0.92rem;
    color: var(--color-text-muted);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   DOWNLOADS SECTION
   ========================================================================== */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.download-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.download-card h3 {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.download-card p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    margin-bottom: 20px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    text-align: center;
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 780px;
    margin: 0 auto 32px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    background: var(--color-bg-white);
    border-radius: var(--radius);
    padding: 28px 32px;
    box-shadow: var(--shadow);
    text-align: left;
}

.contact-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.contact-info h3 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.contact-title-text {
    font-weight: 500;
    color: var(--color-accent);
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.contact-dept {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
}
.contact-link:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.85);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-brand .logo-text {
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}
.footer-brand .logo-icon {
    font-size: 1.5rem;
}

.footer-info {
    text-align: right;
}
.footer-info p {
    font-size: 0.88rem;
    margin-bottom: 4px;
}
.footer-approval {
    font-size: 0.82rem !important;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}
.footer-version {
    font-size: 0.78rem !important;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
    font-style: italic;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    /* Nav */
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
        gap: 4px;
    }
    .nav-links.active { display: flex; }
    .nav-links a { padding: 12px 16px; width: 100%; }

    /* Hero */
    .hero { min-height: 55vh; padding: 100px 20px 50px; }

    /* Sticky contact — smaller on mobile */
    .sticky-contact span { display: none; }
    .sticky-contact { padding: 14px; border-radius: 50%; }

    /* Grid layouts */
    .two-col { grid-template-columns: 1fr; }
    .downloads-grid { grid-template-columns: 1fr; }

    /* Eligibility */
    .eligibility-grid { grid-template-columns: 1fr; }

    /* Timeline */
    .timeline { padding-left: 16px; }
    .timeline-week { min-width: 56px; font-size: 0.75rem; }

    /* Contact cards */
    .contact-cards-grid { grid-template-columns: 1fr; }
    .contact-card {
        text-align: center;
        padding: 24px 20px;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-info { text-align: center; }

    /* Section padding */
    .section { padding: 48px 0; }

    /* Single card */
    .single-card { padding: 22px 20px; }
}