:root {
    --primary-color: #007AFF;
    --primary-dark: #0056b3;
    --dark-bg: #1a1a1a;
    --darker-bg: #111111;
    --light-grey: #f8f9fa;
    --text-color: #333;
    --text-muted: #6c757d;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

    /* Variables for Dark Mode handling */
    --navbar-bg: rgba(255, 255, 255, 0.85);
    --navbar-border: rgba(0, 0, 0, 0.05);
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.03);
    --footer-bg: #f8f9fa;
    --footer-border: #eee;
}

[data-bs-theme="dark"] {
    --primary-color: #3b9cff;
    --primary-dark: #63b1ff;
    --dark-bg: #f8f9fa;
    --darker-bg: #ffffff;
    --light-grey: #2c2c2c;
    --text-color: #e9ecef;
    --text-muted: #adb5bd;
    --white: #212529;
    --navbar-bg: rgba(33, 37, 41, 0.85);
    --navbar-border: rgba(255, 255, 255, 0.05);
    --bg-color: #121212;
    --card-bg: #212529;
    --card-border: rgba(255, 255, 255, 0.05);
    --footer-bg: #1a1a1a;
    --footer-border: #2c2c2c;
}

body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.dark-mode .card-service,
body.dark-mode .contact-container,
body.dark-mode .card {
    background-color: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

body.dark-mode .bg-light {
    background-color: var(--light-grey) !important;
}

body.dark-mode .qual-badge:hover {
    background: var(--card-bg);
}

body.dark-mode .process-section {
    background-color: var(--bg-color);
}

body.dark-mode .process-icon-circle {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

body.dark-mode .accordion-button {
    color: var(--text-color);
}

body.dark-mode .accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background-color: transparent;
}

body.dark-mode footer {
    background-color: var(--footer-bg);
    border-color: var(--footer-border);
}

body.dark-mode .hero {
    background: radial-gradient(circle at top right, #1a202c 0%, var(--bg-color) 60%);
}

body.dark-mode .hero-mini {
    background: linear-gradient(135deg, #1a202c 0%, #111111 100%);
}

body.dark-mode .navbar {
    background: var(--navbar-bg) !important;
    border-bottom-color: var(--navbar-border);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--dark-bg);
}

.display-1,
.display-2,
.display-3,
.display-4 {
    font-weight: 800;
}

/* Navigation */
.navbar {
    padding: 1.5rem 0;
    background: transparent !important;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.navbar-scrolled {
    padding: 1rem 0;
    background: var(--navbar-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--navbar-border);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

/* Buttons */
.btn {
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
}

.btn-primary-custom {
    background-color: var(--dark-bg);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary-custom:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.3);
}

.btn-outline-dark {
    border: 2px solid var(--dark-bg);
    color: var(--dark-bg);
    background: transparent;
}

.btn-outline-dark:hover {
    background-color: var(--dark-bg);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-xing {
    border: 2px solid #006567;
    color: #006567 !important;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-xing:hover {
    background-color: #006567;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 101, 103, 0.25);
}

.btn-linkedin {
    border: 2px solid #0077b5;
    color: #0077b5 !important;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-linkedin:hover {
    background-color: #0077b5;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 119, 181, 0.25);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: radial-gradient(circle at top right, #f0f4ff 0%, #ffffff 60%);
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: -webkit-linear-gradient(45deg, var(--dark-bg), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.35rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 580px;
    font-weight: 400;
}

.hero-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    width: 100%;
    height: auto;
    display: block;
}

.hero-img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

/* Section Styling */
.section-padding {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
}

/* Cards */
.card-service {
    border: none;
    padding: 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.card-service:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 122, 255, 0.3);
}

.card-service h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--light-grey);
    padding: 60px 0 30px;
    border-top: 1px solid #eee;
}

footer a {
    color: var(--text-muted);
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color);
}

/* Responsive Utilities */
@media (max-width: 991px) {
    .hero {
        padding: 100px 0 60px;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-lead {
        margin: 0 auto 2rem;
    }

    .hero-img {
        margin-top: 40px;
    }

    .d-flex.gap-3 {
        justify-content: center;
    }
}

.ls-1 {
    letter-spacing: 1px;
}

/* --- Page Specific Styles (Consolidated) --- */

/* Hero Mini (Shared for subpages) */
.hero-mini {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    margin-bottom: 40px;
}

/* Services Page (Leistungen) */
.service-img-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card-service:hover .service-img-container img {
    transform: scale(1.1);
}

.service-content {
    padding: 30px;
    flex-grow: 1;
}

.process-section {
    padding: 100px 0;
    background-color: #fff;
}

.process-wrapper {
    position: relative;
}

@media (min-width: 992px) {
    .process-wrapper::before {
        content: '';
        position: absolute;
        top: 45px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: linear-gradient(90deg, transparent, #eee, transparent);
        z-index: 0;
    }
}

.process-item {
    position: relative;
    z-index: 1;
    text-align: center;
}

.process-icon-circle {
    width: 90px;
    height: 90px;
    background: #fff;
    border: 2px solid #f0f0f0;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.02);
}

.process-item:hover .process-icon-circle {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 122, 255, 0.1);
}

.step-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

/* Call to Action */
.cta-container {
    margin-top: 100px;
    padding-top: 50px;
}

.cta-card {
    background: var(--dark-bg);
    background: linear-gradient(145deg, #1a1a1a 0%, #2c2c2c 100%);
    border-radius: 32px;
    padding: 80px 40px;
    color: white;
    overflow: hidden;
    position: relative;
}

.cta-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-card h2 {
    color: white;
    /* Scoped to CTA card only */
}

.btn-premium {
    background: #fff;
    color: #1a1a1a;
    padding: 18px 45px;
    border-radius: 100px;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-premium:hover {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 122, 255, 0.3);
}

/* About Page (Über mich) */
.profile-img {
    width: 100%;
    max-width: 400px;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.profile-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.qual-badge {
    background: var(--light-grey);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    height: 100%;
    transition: var(--transition);
}

.qual-badge:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transform: translateY(-3px);
}

/* Contact Page (Kontakt) */
.contact-container {
    max-width: 700px;
    margin: 80px auto;
    background: white;
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

/* Custom Form Controls */
.form-control {
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid #eee;
    background-color: #fcfcfc;
    transition: var(--transition);
}

.form-control:focus {
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
    border-color: var(--primary-color);
}

.btn-submit {
    background: var(--dark-bg);
    color: white;
    border: none;
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-submit:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 122, 255, 0.2);
}

.btn-submit-custom {
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-submit-custom:hover {
    background-color: var(--primary-dark) !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 122, 255, 0.4);
}