:root {
    --bg-dark: #0a0a0b;
    --bg-card: #141417;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --secondary: #94a3b8;
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --border: #27272a;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --container-width: 1400px;
}

strong {
    color: var(--accent-light);
    font-weight: 600;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    /*noinspection CssNoGenericFontName*/
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h2 {
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--text-main);
    text-decoration: none;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.nav-links a:not(.btn) {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.lang-switch {
    display: flex;
    gap: 0.5rem;
    border-left: 1px solid var(--border);
    padding-left: 1.5rem;
    margin-left: 0.5rem;
}

.lang-link {
    font-weight: 600;
    font-size: 0.8rem !important;
    color: var(--secondary) !important;
    text-decoration: none;
    transition: color 0.2s;
}

.lang-link:hover {
    color: var(--text-main) !important;
}

.mobile-only {
    display: none;
}

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
}

.btn-primary:hover, .btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
    border: none;
}

.btn-outline:hover {
    background: var(--border);
}

section {
    padding: 5rem 1.5rem;
    max-width: var(--container-width);
    margin: 0 auto;
}

/* Grid layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 1024px) {
    .grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 640px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card .outcome {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 1rem;
    display: block;
}

.approach {
    margin-top: 3rem;
}

/* Spoiler/Details Styles */
details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1rem;
    transition: 0.3s;
}

details[open] {
    border-color: var(--accent);
}

summary {
    padding: 2rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    /*display: flex;*/
    /*flex-direction: column;*/
    gap: 1.5rem;
    position: relative;
}

summary::after {
    content: "+";
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-light);
    position: absolute;
    top: 2rem;
    right: 2rem;
}

details[open] summary::after {
    content: "−";
}

summary::-webkit-details-marker {
    display: none;
}

.summary-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-meta-top {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    display: block;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
    max-width: 900px;
    margin-bottom: 0.5rem;
}

.summary-teaser {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
    line-height: 1.6;
    display: block;
    margin-bottom: 1rem;
}

.approach .summary-teaser, #operation-mode .summary-teaser {
    display: inline-block;
    margin-left: 1rem;
    margin-bottom: 0;
}

.summary-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.badge-outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-main);
}

.badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.details-toggle {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-light);
    font-size: 0.9rem;
    font-weight: 600;
}

details[open] .summary-teaser {
    display: none;
}

.details-content {
    padding: 0 2rem 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

.details-content > ul {
    margin: 0.5rem;
    padding-left: 1.2rem;
}

#highlights h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 1rem 0;
}

.metrics {
    display: flex;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 4px;
}

.metric-val {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-light);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-group h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 1rem;
}

.skill-group ul, ul.faq {
    list-style: none;
}

ul.faq li:not(:last-child) {
    margin-bottom: 1rem;
}

.skill-group li {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.2rem;
}

/* Testimonials */
.testimonial {
    padding: 2rem;
    border-left: 2px solid var(--accent-light);
    background: var(--bg-card);
    margin-bottom: 2rem;
}

.testimonial blockquote {
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial blockquote::before {
    content: '“';
    font-size: 2rem;
    color: var(--accent-light);
}

.testimonial cite {
    font-style: normal;
    font-weight: 600;
    font-size: 0.9rem;
}

.testimonial span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

#contact {
    text-align: center;
    background: color-mix(in srgb, var(--accent), transparent 94%);
    border-radius: 12px;
    margin-bottom: 4rem;
}

#contact h2 {
    margin-bottom: 0.5rem;
}

#contact p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

#contact .details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-email, .link-like {
    color: var(--text-main);
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
}


/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 4rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

.footer-legal a {
    color: var(--accent-light);
}

.footer-legal a:hover {
    color: var(--accent);
}


/* Back to top */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: 0.3s;
    z-index: 100;
    font-weight: 900;
    font-size: 1.5rem;
}

#back-to-top.visible {
    opacity: 1;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-only {
        display: flex;
    }

    .desktop-only {
        display: none;
    }

    .lang-switch {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
    }

    .metrics {
        flex-direction: column;
        gap: 1rem;
    }
}

.hero {
    padding-top: 10rem;
    padding-bottom: 6rem;
    min-height: auto;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: start;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    line-height: 0.85;
    margin-bottom: 1rem;
    letter-spacing: -0.06em;
    text-transform: uppercase;
}

.hero h1 .alternateHeadStyle {
    color: transparent;
    -webkit-text-stroke: 1px var(--text-main);
}

.hero .roles {
    display: flex;
    gap: 1rem;
    font-weight: 500;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.hero .roles li:not(:last-child)::after {
    content: "/";
    color: var(--border);
    margin-left: 1rem;
}

.availability {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

.status-available {
    color: #10b981 !important;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-available::before {
    content: "";
    width: 10px;
    height: 10px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.hero p {
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--text-main);
    max-width: 900px;
    margin-bottom: 1rem;
}

.hero p strong {
    color: var(--accent-light);
    font-weight: 600;
}

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

.hero-image {
    position: relative;
    width: 300px;
    height: 400px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.hero-image:hover img {
    filter: grayscale(0%);
}

.sub-title {
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 800px;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 6rem;
        gap: 2rem;
    }

    .hero-image {
        order: -1;
        width: 200px;
        height: 200px;
        border-radius: 50%;
    }

    .hero-image img {
        object-fit: cover;
        object-position: center top;
    }

    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}

.flex-row {
    display: flex;
    gap: 32px;
    align-items: center;
    justify-content: center;

}

.imprint-content img {
    width: 130px;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

.displaynone {
    display: none;
}

/* Recruiter-specific styles */
.logo .pill {
    font-size: 0.7rem;
    padding: 0.25rem 0.55rem;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 999px;
    background: rgba(20, 20, 23, 0.7);
}

.recruiter-hero {
    grid-template-columns: 1fr 420px;
}

.hero-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.hero-panel .panel-top {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.hero-panel .panel-top h3 {
    font-size: 1rem;
}

.hero-panel .panel-top small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.hero-panel .panel-body {
    padding: 1.25rem;
}

.kv {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
}

.kv-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.7rem;
}

.kv-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.kv-row span:first-child {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.kv-row span:last-child {
    font-weight: 600;
    color: var(--text-main);
    text-align: right;
}

.kv-row .ok {
    color: var(--accent-light);
    font-weight: 700;
}

.stack-badges {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.subheading {
    margin-bottom: 1.5rem;
    max-width: 900px;
}

#contact .subheading {
    color: var(--text-muted);
    margin: 0.75rem auto 2rem;
    max-width: 860px;
}

#contact .badges {
    margin-top: 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    gap: 1rem;
}

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

@media (min-width: 900px) {
    .fit-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.fit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
}

.fit-card h3 {
    margin-bottom: 0.75rem;
}

.fit-list {
    list-style: none;
    margin-top: 0.75rem;
}

.fit-list li {
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    gap: 0.65rem;
    align-items: baseline;
}

.fit-list li:last-child {
    border-bottom: none;
}

.fit-bullet {
    color: var(--accent-light);
    font-weight: 900;
    font-size: 24px;
    /*width: 24px;*/
    text-align: center;
    flex: 0 0 18px;
}

.fit-bullet.no {
    color: #fca5a5;
}

@media (max-width: 900px) {
    .recruiter-hero {
        grid-template-columns: 1fr;
    }
}

/* Print-friendly for recruiters */
@media print {
    header, #back-to-top {
        display: none !important;
    }

    body {
        background: white !important;
        color: #111 !important;
    }

    section {
        padding: 2rem 0 !important;
    }

    .bg-subtle {
        background: none !important;
    }

    .card, .hero-panel, details, .fit-card {
        border-color: #ddd !important;
    }

    a {
        color: #111 !important;
        text-decoration: underline !important;
    }
}

.hero p.note {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}
.challenge strong{
    color: var(--text-muted);
}