/* ══════════════════════════════════════════════════════════════════════════
   Sabine Hajek-Calabrese Bilanzbuchhaltung
   Light Theme (Default) + Dark Theme mit Toggle
   Stil inspiriert von babuschik.at/coding
   ══════════════════════════════════════════════════════════════════════════ */

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

/* ── CSS Variables - Light Theme (Default) ────────────────────────────────── */
:root, [data-theme="light"] {
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;

    /* Akzentfarben - Violett wie coding.babuschik.at */
    --accent-primary: #8B5CF6;
    --accent-secondary: #7C3AED;
    --accent-light: #A78BFA;
    --accent-bg: rgba(139, 92, 246, 0.08);
    --accent-bg-strong: rgba(139, 92, 246, 0.15);

    /* Textfarben */
    --text-primary: #1a1a2e;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --text-dim: #9ca3af;

    /* Rahmen */
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;

    /* Status */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);

    /* Schatten */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);

    /* Header */
    --header-bg: rgba(255, 255, 255, 0.9);
    --header-border: rgba(0, 0, 0, 0.05);

    /* Glow */
    --glow-color: rgba(139, 92, 246, 0.12);
}

/* ── CSS Variables - Dark Theme ───────────────────────────────────────────── */
[data-theme="dark"] {
    /* Backgrounds */
    --bg-primary: #09090B;
    --bg-secondary: #111113;
    --bg-tertiary: #18181B;
    --bg-card: #141416;
    --bg-card-hover: #1e1e22;

    /* Akzentfarben */
    --accent-primary: #8B5CF6;
    --accent-secondary: #A78BFA;
    --accent-light: #C4B5FD;
    --accent-bg: rgba(139, 92, 246, 0.1);
    --accent-bg-strong: rgba(139, 92, 246, 0.2);

    /* Textfarben */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;

    /* Rahmen */
    --border-color: #27272a;
    --border-light: #1e1e1e;

    /* Status */
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.15);

    /* Schatten */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);

    /* Header */
    --header-bg: rgba(9, 9, 11, 0.9);
    --header-border: rgba(255, 255, 255, 0.05);

    /* Glow */
    --glow-color: rgba(139, 92, 246, 0.15);
}

/* ── Transitions ──────────────────────────────────────────────────────────── */
:root {
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-theme: 0.4s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-theme), color var(--transition-theme);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ── Typography ───────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
    transition: color var(--transition-theme);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.05rem; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast), border-color var(--transition-theme), color var(--transition-theme);
}

.btn-secondary:hover {
    background: var(--accent-bg);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-large {
    padding: 16px 40px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

/* ── Theme Toggle ─────────────────────────────────────────────────────────── */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast), border-color var(--transition-theme);
}

.theme-toggle:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: var(--accent-bg);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* Show/hide icons based on theme */
[data-theme="light"] .icon-sun,
[data-theme="dark"] .icon-moon {
    display: none;
}

[data-theme="light"] .icon-moon,
[data-theme="dark"] .icon-sun {
    display: block;
}

/* Default state (before JS loads) */
.icon-sun { display: none; }
.icon-moon { display: block; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--header-border);
    box-shadow: var(--shadow-sm);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #ffffff;
    border-radius: 8px;
}

.logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.logo-text .dot {
    color: var(--accent-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav a:hover {
    color: var(--accent-primary);
}

.nav .btn-nav {
    background: var(--accent-primary);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 6px;
}

.nav .btn-nav:hover {
    background: var(--accent-secondary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-secondary);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero Section ─────────────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vmin;
    height: 80vmin;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 60%);
    pointer-events: none;
    transition: background var(--transition-theme);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-primary);
    background: var(--accent-bg);
    padding: 8px 16px;
    border-radius: 4px;
    margin-bottom: 24px;
}

.hero-content h1 {
    margin-bottom: 24px;
}

.hero-content .highlight {
    color: var(--accent-primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Section Styles ───────────────────────────────────────────────────────── */
section {
    padding: 100px 0;
    transition: background var(--transition-theme);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-primary);
    background: var(--accent-bg);
    padding: 6px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.section-header h2 {
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
    transition: color var(--transition-theme);
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ── Services Section ─────────────────────────────────────────────────────── */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all var(--transition-normal), background var(--transition-theme), border-color var(--transition-theme);
}

.service-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.service-icon svg {
    width: 48px;
    height: 48px;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

/* ── Target Group Section ─────────────────────────────────────────────────── */
.target-group {
    background: var(--bg-primary);
}

.target-grid {
    display: grid;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.target-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.target-item:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}

.target-check {
    width: 32px;
    height: 32px;
    background: var(--accent-bg);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
    transition: background var(--transition-theme);
}

.target-check svg {
    width: 16px;
    height: 16px;
}

.target-item h4 {
    margin-bottom: 6px;
}

.target-item p {
    color: var(--text-muted);
    font-size: 14px;
    transition: color var(--transition-theme);
}

/* ── About Section ────────────────────────────────────────────────────────── */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-theme);
}

.about-image::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    right: -16px;
    bottom: -16px;
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
    z-index: -1;
    opacity: 0.3;
}

.about-text {
    text-align: left;
}

.about-text .section-tag {
    margin-bottom: 12px;
}

.about-text h2 {
    margin-bottom: 8px;
}

.about-title {
    color: var(--accent-primary);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
    transition: color var(--transition-theme);
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 32px;
}

.about-link {
    margin-top: 32px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-theme);
}

.feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
}

/* ── CTA Section ──────────────────────────────────────────────────────────── */
.cta {
    position: relative;
    text-align: center;
    padding: 80px 0;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vmin;
    height: 60vmin;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 60%);
    pointer-events: none;
    transition: background var(--transition-theme);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-muted);
    margin-bottom: 32px;
    transition: color var(--transition-theme);
}

/* ── Contact Section ──────────────────────────────────────────────────────── */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: background var(--transition-theme), border-color var(--transition-theme);
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
    transition: border-color var(--transition-theme);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: background var(--transition-theme);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 4px;
    transition: color var(--transition-theme);
}

.contact-item a,
.contact-item span {
    font-size: 15px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-primary);
}

.contact-note {
    margin-top: 24px;
    padding: 20px;
    background: var(--accent-bg);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 8px 8px 0;
    transition: background var(--transition-theme);
}

.contact-note p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    transition: color var(--transition-theme);
}

.contact-note p:first-child {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: background var(--transition-theme), border-color var(--transition-theme);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 8px;
    transition: color var(--transition-theme);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme), color var(--transition-theme);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Messages */
.form-message {
    padding: 0;
    margin-bottom: 16px;
    font-size: 14px;
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-fast);
}

.form-message:empty {
    display: none;
}

.form-message.success {
    display: block;
    padding: 14px 16px;
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-message.error {
    display: block;
    padding: 14px 16px;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
    transition: background var(--transition-theme), border-color var(--transition-theme);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 16px;
    max-width: 300px;
    transition: color var(--transition-theme);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    padding: 6px 0;
    transition: color var(--transition-fast);
}

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

.footer-contact p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
    transition: color var(--transition-theme);
}

.footer-contact p a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-contact p a:hover {
    color: var(--accent-primary);
}

.footer-address {
    margin-top: 12px;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    transition: border-color var(--transition-theme);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-dim);
    transition: color var(--transition-theme);
}

/* ══════════════════════════════════════════════════════════════════════════
   Responsive Design
   ══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal), background var(--transition-theme);
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav .btn-nav {
        width: 100%;
        text-align: center;
    }

    .mobile-menu-btn {
        display: flex;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-image {
        max-width: 250px;
        margin: 0 auto;
    }

    .about-text {
        text-align: center;
    }

    .about-features {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ══════════════════════════════════════════════════════════════════════════
   Unterseiten-Styles
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
    transition: background var(--transition-theme);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80vmin;
    height: 80vmin;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 60%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    margin: 16px 0;
}

.page-header p {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
    transition: color var(--transition-theme);
}

/* ── Content Section ─────────────────────────────────────────────────────── */
.content-section {
    padding: 80px 0;
    transition: background var(--transition-theme);
}

.content-section.bg-alt {
    background: var(--bg-secondary);
}

.section-intro {
    text-align: center;
    margin-bottom: 48px;
}

.section-intro h2 {
    margin-bottom: 12px;
}

.section-intro p {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
    transition: color var(--transition-theme);
}

/* ── Cards Grid ──────────────────────────────────────────────────────────── */
.cards-grid {
    display: grid;
    gap: 24px;
}

.cards-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.cards-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

/* ── Info Card ───────────────────────────────────────────────────────────── */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all var(--transition-normal), background var(--transition-theme), border-color var(--transition-theme);
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.info-card.compact {
    padding: 24px;
}

.info-card .card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: 10px;
    margin-bottom: 16px;
    color: var(--accent-primary);
    transition: background var(--transition-theme);
}

.info-card .card-icon svg {
    width: 20px;
    height: 20px;
}

.info-card h3 {
    margin-bottom: 12px;
}

.info-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.card-list {
    list-style: none;
    margin-top: 16px;
}

.card-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-theme);
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

/* ── Service Detail ──────────────────────────────────────────────────────── */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}

.service-detail.reverse {
    grid-template-columns: 1fr;
}

.service-detail-content .section-tag {
    margin-bottom: 12px;
}

.service-detail-content h2 {
    margin-bottom: 16px;
}

.service-detail-content > p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
    transition: color var(--transition-theme);
}

.service-features {
    display: grid;
    gap: 12px;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.service-feature:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}

.service-feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.service-feature span {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-theme);
}

.service-detail-highlight {
    position: sticky;
    top: 100px;
}

.highlight-box {
    background: var(--accent-bg-strong);
    border: 1px solid var(--accent-primary);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: background var(--transition-theme);
}

.highlight-box svg {
    width: 48px;
    height: 48px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.highlight-box h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.highlight-box p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.highlight-box strong {
    color: var(--accent-primary);
}

/* ── About Page Styles ───────────────────────────────────────────────────── */
.about-full {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
}

.about-sidebar {
    position: sticky;
    top: 100px;
}

.about-photo {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    transition: box-shadow var(--transition-theme);
}

.about-quick-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: background var(--transition-theme), border-color var(--transition-theme);
}

.about-quick-info h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.quick-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    transition: border-color var(--transition-theme);
}

.quick-item:last-child {
    border-bottom: none;
}

.quick-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.quick-item span {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-theme);
}

.about-main h2 {
    margin-bottom: 16px;
}

.about-main h3 {
    margin: 32px 0 16px;
    color: var(--accent-primary);
}

.about-main p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.about-main ul {
    list-style: none;
    margin: 16px 0;
}

.about-main ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color var(--transition-theme);
}

.about-main ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.philosophy-box {
    background: var(--accent-bg);
    border-left: 4px solid var(--accent-primary);
    padding: 24px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    transition: background var(--transition-theme);
}

.philosophy-box p {
    margin: 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* ── About Detail Section ────────────────────────────────────────────────── */
.about-detail {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
}

.about-detail-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-theme);
}

.about-detail-content h2 {
    margin-bottom: 16px;
}

.about-detail-content .lead {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.about-detail-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

/* ── Philosophy Section ──────────────────────────────────────────────────── */
.philosophy-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.quote-card {
    background: var(--accent-bg);
    border: 1px solid var(--accent-primary);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: background var(--transition-theme);
}

.quote-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.quote-card blockquote {
    font-size: 18px;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.quote-card cite {
    font-size: 14px;
    color: var(--text-muted);
    font-style: normal;
    transition: color var(--transition-theme);
}

.philosophy-content h2 {
    margin-bottom: 16px;
}

.philosophy-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

/* ── Target List Detailed ────────────────────────────────────────────────── */
.target-list-detailed {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.target-item-detailed {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.target-item-detailed:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}

.target-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: 10px;
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: background var(--transition-theme);
}

.target-icon svg {
    width: 20px;
    height: 20px;
}

.target-content h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.target-content p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    transition: color var(--transition-theme);
}

/* ── Service Intro Box ───────────────────────────────────────────────────── */
.service-intro-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.service-intro-box .lead {
    font-size: 20px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 16px;
    transition: color var(--transition-theme);
}

.service-intro-box p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

/* ── Steuerberater Box ───────────────────────────────────────────────────── */
.steuerberater-box {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: 12px;
    padding: 48px;
    text-align: center;
    transition: background var(--transition-theme);
}

.steuerberater-content .section-tag {
    margin-bottom: 12px;
}

.steuerberater-content h2 {
    margin-bottom: 16px;
}

.steuerberater-content > p {
    color: var(--text-muted);
    margin-bottom: 24px;
    transition: color var(--transition-theme);
}

.steuerberater-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 32px;
    margin-bottom: 32px;
}

.steuerberater-list li {
    position: relative;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: color var(--transition-theme);
}

.steuerberater-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
}

/* ── Workflow Steps ──────────────────────────────────────────────────────── */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-step {
    text-align: center;
    position: relative;
}

.workflow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 24px;
    right: -12px;
    width: calc(100% - 48px);
    height: 2px;
    background: var(--border-color);
    transform: translateX(50%);
    transition: background var(--transition-theme);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent-primary);
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    transition: color var(--transition-theme);
}

/* ── Timeline ────────────────────────────────────────────────────────────── */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transition: background var(--transition-theme);
}

.timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -32px;
    top: 4px;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border: 3px solid var(--bg-secondary);
    border-radius: 50%;
    z-index: 1;
    transition: border-color var(--transition-theme);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
}

.timeline-date {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-primary);
    background: var(--accent-bg);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    transition: color var(--transition-theme);
}

/* ── Skills Grid ─────────────────────────────────────────────────────────── */
.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.skills-section h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    text-align: center;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.skill-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-bg);
}

/* ── Strengths Grid ──────────────────────────────────────────────────────── */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.strength-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme);
}

.strength-item:hover {
    border-color: var(--accent-primary);
}

.strength-item svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.strength-item span {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    transition: color var(--transition-theme);
}

/* ── Contact Page Styles ─────────────────────────────────────────────────── */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info .contact-card h3 {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
    transition: border-color var(--transition-theme);
}

.contact-note h4 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* Form row for side-by-side inputs */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    transition: all var(--transition-fast), background var(--transition-theme), border-color var(--transition-theme), color var(--transition-theme);
}

.form-group select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.form-hint {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-dim);
    text-align: center;
    transition: color var(--transition-theme);
}

/* ── Legal / Impressum Styles ────────────────────────────────────────────── */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.legal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 32px;
    transition: background var(--transition-theme), border-color var(--transition-theme);
}

.legal-card h2 {
    font-size: 1rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
    transition: border-color var(--transition-theme);
}

.legal-info p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 8px;
    transition: color var(--transition-theme);
}

.legal-info p:last-child {
    margin-bottom: 0;
}

.legal-row {
    display: flex;
    gap: 16px;
    padding: 8px 0;
}

.legal-label {
    font-weight: 500;
    color: var(--text-dim);
    min-width: 100px;
    transition: color var(--transition-theme);
}

.legal-info a {
    color: var(--accent-primary);
    transition: color var(--transition-fast);
}

.legal-info a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.legal-note {
    margin-top: 8px;
}

/* ── Navigation Active State ─────────────────────────────────────────────── */
.nav a.active {
    color: var(--accent-primary);
}

/* ══════════════════════════════════════════════════════════════════════════
   Responsive Design
   ══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .service-detail {
        grid-template-columns: 1fr;
    }

    .service-detail-highlight {
        position: static;
    }

    .about-full {
        grid-template-columns: 1fr;
    }

    .about-sidebar {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }

    .cards-grid.three-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-detail-image {
        max-width: 280px;
        margin: 0 auto;
    }

    .philosophy-section {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .workflow-step:not(:last-child)::after {
        display: none;
    }

    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }

    .content-section {
        padding: 60px 0;
    }

    .cards-grid.two-col,
    .cards-grid.three-col {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .legal-row {
        flex-direction: column;
        gap: 4px;
    }

    .legal-label {
        min-width: auto;
    }

    .target-item-detailed {
        flex-direction: column;
        text-align: center;
    }

    .target-icon {
        margin: 0 auto;
    }

    .workflow-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .steuerberater-box {
        padding: 32px 24px;
    }

    .steuerberater-list {
        flex-direction: column;
        gap: 12px;
    }

    .strengths-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-marker {
        left: -24px;
        width: 12px;
        height: 12px;
    }

    .timeline::before {
        left: 5px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo-text {
        font-size: 15px;
    }

    .service-card,
    .contact-card,
    .contact-form {
        padding: 24px;
    }

    .about-features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .target-item {
        flex-direction: column;
        text-align: center;
    }

    .target-check {
        margin: 0 auto;
    }
}

/* ══════════════════════════════════════════════════════════════════════════
   Testimonials / Kundenstimmen
   ══════════════════════════════════════════════════════════════════════════ */

.testimonials {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.testimonial-logo {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 8px;
    flex-shrink: 0;
}

.testimonial-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Dark mode logo filter */
[data-theme="dark"] .testimonial-logo img {
    filter: brightness(0) invert(1);
}

.testimonial-company h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.testimonial-person {
    font-size: 13px;
    color: var(--text-muted);
}

.testimonial-content {
    flex: 1;
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-footer {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.testimonial-since {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

.testimonial-services {
    font-size: 12px;
    color: var(--text-muted);
}

/* Responsive Testimonials */
@media (max-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .testimonials {
        padding: 60px 0;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonial-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .testimonial-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .testimonial-footer {
        text-align: center;
    }
}