:root {
    --primary: #0f172a; 
    --accent: #2563eb; 
    --bg-main: #f4f4f5; 
    --bg-grey: #ededed;
    --text-main: #18181b; 
    --text-muted: #52525b; 
    --white: #ffffff; 
    --border: #d4d4d8; 
    --orange: #ff6a00;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--bg-main); 
    color: var(--text-main); 
    margin: 0; 
    overflow-x: hidden; 
}
.container { width: 90%; max-width: 1100px; margin: 0 auto; }

/* HEADER */
header { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    height: 80px; 
    background: rgba(244, 244, 245, 0.95); 
    backdrop-filter: blur(15px); 
    border-bottom: 1px solid rgba(0,0,0,0.05); 
    z-index: 1000; 
}
.header-container { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    height: 100%; 
    padding: 0 5%; 
}
.logo-area, .header-spacer { flex: 1; }
.logo-text { font-weight: 700; font-size: 1.1rem; color: var(--primary); text-decoration: none; }
.logo-text span { color: var(--accent); }
.center-nav { flex: 3; display: flex; justify-content: center; }
.center-nav ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
.center-nav a { 
    text-decoration: none; 
    color: var(--text-main); 
    font-size: 0.75rem; 
    font-weight: 600; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    transition: color 0.3s;
}
.center-nav a:hover { color: var(--accent); }
.nav-cta { border-bottom: 2px solid var(--primary); padding-bottom: 3px; }

/* HERO */
.hero { 
    height: 100vh; 
    position: relative; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    overflow: hidden; 
    background: #0f172a url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat; 
}
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.65); z-index: 1; }
.hero-content { position: relative; z-index: 2; width: 90%; }
.hero-eyebrow { color: var(--accent) !important; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 5px; display: block; margin-bottom: 20px; font-weight: 600; }
.hero-title { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 6vw, 4.5rem); margin: 0; color: #ffffff !important; line-height: 1.1; }
.hero-subtitle { font-size: 1.2rem; color: #ffffff !important; opacity: 0.9; margin-top: 20px; max-width: 600px; margin-left: auto; margin-right: auto; }
.btn-primary { 
    background: #ffffff; 
    color: var(--primary); 
    padding: 18px 35px; 
    text-decoration: none; 
    font-weight: 700; 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    display: inline-block; 
    margin-top: 35px; 
    transition: transform 0.3s, box-shadow 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* SECTIONS GENERAL */
.section-padding { padding: 100px 0; }
.grey-section { background-color: var(--bg-grey); }
.section-header-center { text-align: center; margin-bottom: 60px; }
.section-header-center h2 { font-size: 2.5rem; font-family: 'Playfair Display', serif; margin-bottom: 15px; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-family: 'Playfair Display', serif; font-size: 2.8rem; margin: 10px 0 20px; }
.section-label { color: var(--accent); text-transform: uppercase; font-weight: 700; letter-spacing: 2px; font-size: 0.8rem; }
.stat-box { border-left: 3px solid var(--accent); padding-left: 20px; margin-bottom: 30px; }
.stat-num { display: block; font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-desc { color: var(--text-muted); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

/* ERGEBNISSE (DARK SECTION) */
.dark-section { background: var(--primary); color: white; padding: 100px 0; }
.results-header { text-align: center; margin-bottom: 50px; font-family: 'Playfair Display', serif; }
.results-header h3 { font-size: 2.5rem; line-height: 1.3; font-weight: 400; }
.results-header span { color: var(--accent); border-bottom: 3px solid var(--accent); }
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.result-box { background: rgba(255,255,255,0.03); padding: 40px 20px; text-align: center; border: 1px solid rgba(255,255,255,0.1); transition: background 0.3s; }
.result-box:hover { background: rgba(255,255,255,0.07); }
.res-value { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: 10px; }

/* TIMELINE */
.timeline-wrapper { position: relative; padding: 40px 0; }
.timeline-v-line { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--border); transform: translateX(-50%); }
.timeline-item { position: relative; display: flex; margin-bottom: 100px; }
.sticky-number-wrap { position: absolute; left: 50%; top: 0; bottom: 0; transform: translateX(-50%); width: 50px; }
.timeline-dot { position: sticky; top: 50vh; transform: translateY(-50%); width: 45px; height: 45px; background: var(--bg-main); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: 700; color: var(--accent); z-index: 10; }
.timeline-card-container { width: 45%; }
.side-right { margin-left: auto; }
.side-left { margin-right: auto; }
.process-card { background: white; padding: 40px; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.card-img-wrap { width: 100%; height: 220px; overflow: hidden; margin-top: 20px; border-radius: 4px; }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.process-card:hover img { transform: scale(1.05); }

/* METHODE (4 Spalten) */
.method-grid-fixed { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.method-card { background: white; padding: 35px 25px; border: 1px solid var(--border); transition: all 0.4s ease; height: 100%; }
.method-card h3 { font-size: 1.4rem; margin-top: 0; transition: color 0.3s; color: var(--primary); }
.method-card p { color: var(--text-muted); line-height: 1.6; font-size: 0.95rem; }
.method-card:hover { transform: translateY(-10px); border-color: var(--accent); box-shadow: 0 15px 35px rgba(0,0,0,0.1); }
.method-card:hover h3 { color: var(--accent); }

/* REZENSIONEN (3 Spalten) */
.testimonial-grid-fixed { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.testimonial-card { 
    background: white; 
    padding: 40px; 
    border: 1px solid var(--border); 
    border-bottom: 4px solid var(--accent); 
    position: relative; 
}
.quote-icon { font-size: 4rem; color: var(--accent); opacity: 0.1; position: absolute; top: 10px; left: 20px; font-family: serif; }
.testimonial-author { display: block; margin-top: 20px; font-weight: 700; font-size: 0.85rem; color: var(--primary); text-transform: uppercase; }

/* FAQ ACCORDION */
.faq-flex-container { display: flex; justify-content: space-between; gap: 80px; }
.faq-title-area { flex: 1; }
.faq-main-title { font-size: 2.8rem; color: var(--primary); font-weight: 700; font-family: 'Playfair Display', serif; }
.faq-main-title span { color: var(--orange); position: relative; }
.faq-accordion { flex: 1.5; }
.faq-item { border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.faq-question { 
    width: 100%; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 25px 20px; /* Padding erhöht für den Box-Effekt */
    background: transparent; 
    border: none; 
    cursor: pointer; 
    text-align: left; 
    font-size: 1.1rem; 
    font-weight: 600; 
    color: var(--primary); 
    transition: all 0.3s ease; /* Weicher Übergang für alle Änderungen */
    border-radius: 8px; /* Leicht abgerundete Ecken beim Hover */
}

/* Der neue Highlight-Effekt beim Drüberfahren */
.faq-question:hover {
    background-color: rgba(37, 99, 235, 0.05); /* Hauchdünnes Blau im Hintergrund */
    color: var(--accent); /* Text wird blau */
    padding-left: 25px; /* Minimales Einrücken nach rechts für Dynamik */
}

/* Wenn die Frage bereits geöffnet ist, bleibt sie farblich hervorgehoben */
.faq-item.active .faq-question {
    color: var(--accent);
    background-color: rgba(37, 99, 235, 0.03);
}
.faq-plus-box { 
    width: 35px; height: 35px; background: var(--orange); color: white; 
    display: flex; justify-content: center; align-items: center; font-size: 1.2rem; border-radius: 2px; 
    transition: transform 0.3s, background 0.3s;
}
.faq-item.active .faq-plus-box { transform: rotate(45deg); background: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding-bottom: 25px; color: var(--text-muted); margin: 0; font-size: 1rem; line-height: 1.6; }
.faq-item.active .faq-answer { max-height: 400px; }

/* KONTAKT */
.contact-card { 
    background: var(--white); color: var(--text-main); padding: 80px 60px; 
    border-radius: 12px; max-width: 900px; margin: 0 auto; text-align: center;
    box-shadow: 0 30px 60px rgba(0,0,0,0.05); border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.form-input-group { margin-bottom: 25px; text-align: left; }
.form-input-group label { display: block; font-size: 0.75rem; color: var(--primary); margin-bottom: 10px; text-transform: uppercase; font-weight: 700; letter-spacing: 1px; }
input, textarea { 
    width: 100%; padding: 18px; background: var(--bg-main); border: 1px solid var(--border); 
    color: var(--text-main); font-family: inherit; border-radius: 6px; transition: all 0.3s;
}
input:focus, textarea:focus { outline: none; background: var(--white); border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1); }
.submit-btn { 
    width: 100%; padding: 22px; background: var(--accent); color: white; border: none; 
    border-radius: 6px; font-weight: 700; text-transform: uppercase; cursor: pointer; 
    transition: all 0.3s; margin-top: 15px; letter-spacing: 1px;
}
.submit-btn:hover { background: #1d4ed8; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2); }

/* FOOTER */
footer { background: var(--primary); color: white; padding: 60px 0; text-align: center; }
footer a { color: var(--accent); text-decoration: none; margin: 0 15px; transition: opacity 0.3s; }
footer a:hover { opacity: 0.8; }

/* --- MEDIA QUERIES (RESPONSIVE DESIGN) --- */

@media (max-width: 1024px) {
    .method-grid-fixed { grid-template-columns: repeat(2, 1fr); }
    .testimonial-grid-fixed { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
    header { height: 70px; }
    .center-nav { display: none; } /* Versteckt Navigation auf Handy (für Hamburger Menü vorbereitet) */
    
    .section-padding { padding: 60px 0; }
    .hero-title { font-size: 2.5rem; }
    
    .results-grid { grid-template-columns: 1fr 1fr; }
    
    .timeline-v-line, .sticky-number-wrap { display: none; }
    .timeline-card-container { width: 100%; }
    .timeline-item { margin-bottom: 40px; }
    
    .faq-flex-container { flex-direction: column; gap: 40px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    
    .contact-card { padding: 40px 20px; }
}

@media (max-width: 500px) {
    .results-grid { grid-template-columns: 1fr; }
    .method-grid-fixed { grid-template-columns: 1fr; }
    .testimonial-grid-fixed { grid-template-columns: 1fr; }
    .hero-btns .btn-primary { width: 100%; }
}