/* --- GRUNDEINSTELLUNGEN & VARIABLEN --- */
:root {
    --color-background: #111111;
    --color-background-light: #1a1a1a;
    --color-text: #e0e0e0;
    --color-text-dark: #a0a0a0;
    --color-primary: #0077ff;
    --font-family: 'Inter', sans-serif;
    --font-mono: 'Courier New', monospace;
}
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-family); background-color: var(--color-background); color: var(--color-text); line-height: 1.7; font-size: 18px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
main { position: relative; z-index: 1; }
h1, h2, h3, h4 { color: #ffffff; line-height: 1.2; font-weight: 700; }
h1 { font-size: 4rem; margin-bottom: 0.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 2rem; text-align: left; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--color-primary); }
h4 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--color-text-dark); }
p { margin-bottom: 1rem; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #ffffff; }

/* --- HEADER & NAVIGATION --- */
.header {
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.5rem; color: #ffffff; }
.main-nav ul { margin: 0; padding: 0; list-style: none; display: flex; }
.main-nav ul li { margin-left: 2rem; }
.main-nav a { color: var(--color-text); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-primary); }

/* --- LANGUAGE SWITCHER --- */
.language-switcher { display: flex; align-items: center; gap: 0.5rem; background-color: var(--color-background-light); padding: 0.3rem; border-radius: 20px; }
.lang-option { padding: 0.2rem 0.6rem; color: var(--color-text-dark); font-weight: 600; font-size: 0.9rem; cursor: default; }
.lang-option.active { color: #ffffff; }
.toggle-switch { width: 40px; height: 22px; background-color: var(--color-background); border-radius: 11px; padding: 2px; cursor: pointer; }
.toggle-circle { width: 18px; height: 18px; background-color: #ffffff; border-radius: 50%; transition: transform 0.3s ease-in-out; }

/* --- SEKTIONEN & ANIMATIONEN --- */
.content-section, .contact-section { padding: 100px 0; }
.bg-light { background-color: var(--color-background-light); }
.reveal { opacity: 0; transform: translateY(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.flippable-content { transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out; transform-style: preserve-3d; }
.is-flipping { transform: rotateY(-90deg); opacity: 0; }

/* --- HERO SECTION --- */
.hero-section {
    position: relative;
    padding-top: 200px;
    padding-bottom: 100px;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background-image: url('hero-background.png');
    background-position: center center;
    background-size: cover;
    background-attachment: fixed;
}
.hero-section::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(17, 17, 17, 0.8); z-index: 1;
}
.hero-content {
    position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 4rem; width: 100%;
}
.hero-text { flex: 1; }
.hero-image { flex-basis: 350px; perspective: 1000px; }
.hero-image img {
    width: 100%; border-radius: 10px;
    box-shadow: 0 15px 35px -15px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s ease;
}
.hero-image img:hover { transform: scale(1.02) rotateY(2deg); }

/* --- TERMINAL FORM (LEAD GEN) --- */
.terminal-form { display: flex; gap: 10px; max-width: 450px; }
.terminal-form input {
    flex: 1; background: #000; border: 1px solid #444; color: #fff; padding: 12px;
    font-family: var(--font-mono); font-size: 1rem;
}
.terminal-form button {
    background: var(--color-primary); border: none; color: #fff; font-weight: bold;
    padding: 0 20px; cursor: pointer; font-family: var(--font-mono); transition: background 0.3s;
}
.terminal-form button:hover { background: #0056b3; }

.terminal-link-wrapper { margin-top: 1rem; }
.terminal-link {
    font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-text-dark);
    text-decoration: none; border-bottom: 1px dotted #444;
}
.terminal-link:hover { color: var(--color-primary); border-color: var(--color-primary); }
.blink { color: var(--color-primary); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* --- MANTRA GRID (3x3) --- */
.mantra-grid {
    display: grid;
    /* Desktop: Exakt 3 Spalten */
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 1rem;
}

.mantra-card {
    position: relative;
    display: block;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
    transition: all 0.3s ease;
    /* Aspect Ratio Square für perfekten Grid-Look */
    aspect-ratio: 1 / 1;
    background-color: #000;
}

.mantra-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 119, 255, 0.15);
    z-index: 10;
}

.mantra-card img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Stellt sicher, dass das SVG komplett sichtbar ist */
    display: block;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .mantra-grid {
        /* Tablet: 2 Spalten */
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .mantra-grid {
        /* Mobile: 1 Spalte (groß und dominant) */
        grid-template-columns: 1fr;
    }
}

/* --- DNA BOX --- */
.dna-box { border-left: 2px solid var(--color-primary); padding-left: 2rem; margin: 2rem 0; }
.dna-box h5 { color: var(--color-primary); font-size: 0.8rem; letter-spacing: 2px; }
.dna-box h2 { font-size: 2rem; margin-bottom: 1.5rem; max-width: 800px; }
.dna-signature { font-family: var(--font-mono); color: var(--color-text); opacity: 0.7; margin-top: 2rem; }

/* --- GRIDS --- */
.framework-grid, .role-highlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.framework-item { background-color: var(--color-background-light); padding: 2rem; border-radius: 4px; }
.highlight-item { background-color: var(--color-background); padding: 2rem; border-left: 4px solid var(--color-primary); }
.focus-card { background-color: var(--color-background); padding: 2rem; border: 1px solid #333; }

/* --- DYNAMIC LAB GRID (SQUARE & COLLAPSIBLE) --- */
.lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 Spalten wie die Mantras */
    gap: 20px;
    align-items: start; /* Verhindert, dass alle Kacheln wachsen, wenn eine aufgeht */
}

.lab-card {
    background-color: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

/* Geschlossener Zustand: Strenges Quadrat */
.lab-card:not(.active) {
    aspect-ratio: 1 / 1;
}

.lab-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 119, 255, 0.1);
}

.lab-card-header {
    padding: 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

/* Geöffneter Zustand: Header rückt nach oben */
.lab-card.active .lab-card-header {
    height: auto;
    align-items: flex-start;
    text-align: left;
    border-bottom: 1px dashed #333;
    padding-bottom: 15px;
}

.lab-card-title {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 600;
}

.lab-badge {
    font-size: 0.65em;
    font-family: var(--font-mono);
    padding: 3px 8px;
    background: #1a1a1a;
    color: var(--color-primary);
    border: 1px solid #333;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lab-icon {
    margin-top: 15px;
    font-size: 1.5rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
    line-height: 1;
}

.lab-card.active .lab-icon {
    display: none; /* Icon im offenen Zustand ausblenden oder drehen */
}

.lab-card-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.lab-card.active .lab-card-content {
    opacity: 1;
}

.lab-inner {
    padding: 20px;
    font-size: 0.9rem;
    color: #ccc;
    line-height: 1.6;
}

.lab-inner strong {
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    display: block;
    margin-top: 10px;
    margin-bottom: 2px;
}

.lab-problem-preview {
    font-size: 0.85rem;
    color: #888;
    margin-top: 15px;
    text-align: center;
    line-height: 1.5;
    padding: 0 10px;


    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;

    transition: opacity 0.3s ease;
}


.lab-card.active .lab-problem-preview {
    display: none;
}

/* Responsive */
@media (max-width: 900px) {
    .lab-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .lab-grid { grid-template-columns: 1fr; }
    .lab-card:not(.active) { aspect-ratio: auto; min-height: 200px; } /* Auf Mobile eher Rechtecke */
}

/* --- ACCORDION --- */
.accordion-container { max-width: 900px; margin: 0 auto; border-top: 1px solid #333; }
.accordion-item { border-bottom: 1px solid #333; }
.accordion-header { padding: 1.5rem 0; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.accordion-header:hover h3 { color: var(--color-primary); }
.target-badge { font-size: 0.85rem; text-transform: uppercase; color: var(--color-text-dark); }
.accordion-icon { font-size: 2rem; color: var(--color-primary); transition: transform 0.3s; }
.accordion-item.active .accordion-icon { transform: rotate(45deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; }
.service-list { list-style: none; padding: 0; margin-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1rem; }
.service-list li { position: relative; padding-left: 1.5rem; margin-bottom: 0.5rem; font-size: 1rem; }
.service-list li::before { content: "›"; position: absolute; left: 0; color: var(--color-primary); font-weight: bold; }

/* --- FOOTER --- */
.footer { padding: 2rem 0; text-align: center; font-size: 0.9rem; color: var(--color-text-dark); background-color: var(--color-background-light); }

@media (max-width: 768px) {
    .main-nav { display: none; }
    .hero-content { flex-direction: column-reverse; text-align: center; }
    .hero-image { flex-basis: 250px; margin-bottom: 2rem; }
    .terminal-form { margin: 0 auto; }
    .dna-box { padding-left: 1rem; }
}

/* --- ROLE LINE --- */
.role-line {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-text);
    margin: 1rem 0 0.5rem 0;
    padding: 0.6rem 0.8rem;
    background-color: rgba(0, 119, 255, 0.05);
    border-left: 2px solid var(--color-primary);
    display: inline-block;
}
.role-pulse {
    color: #00ff88;
    animation: blink 1.5s infinite;
    margin-right: 6px;
}

/* --- LINKEDIN LINK --- */
.linkedin-link {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-text-dark);
    text-decoration: none;
    border-bottom: 1px dotted #444;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s, border-color 0.3s;
}
.linkedin-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* --- AVAILABLE FOR --- */
.available-for {
    margin-top: 2rem;
    padding: 1.2rem 1.5rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid #333;
    border-radius: 4px;
    max-width: 450px;
}
.available-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 0 0.8rem 0;
}
.available-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.9;
}
.available-list li {
    margin: 0;
}
.availability-signal {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid #333;
}

/* --- FORM CLARIFIER --- */
.form-clarifier {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-dark);
    margin-top: 0.8rem;
}

.role-link {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px dotted var(--color-primary);
    transition: color 0.3s, border-color 0.3s;
}
.role-link:hover {
    color: #fff;
    border-color: #fff;
}