/* ============================================
   coachOne — CSS Design System
   coach-one.ai | KI-Sprachcoach für Unternehmen
   ============================================ */

/* --- Design Tokens --- */
:root {
    --primary: #E67E22;
    --primary-light: #F39C12;
    --primary-dark: #D35400;
    --accent: #2C3E50;
    --accent-light: #34495E;
    --text: #2D3436;
    --text-light: #636E72;
    --bg: #FFFFFF;
    --bg-light: #FFF8F0;
    --bg-dark: #1A1A2E;
    --white: #FFFFFF;
    --shadow: rgba(230, 126, 34, 0.1);
    --shadow-lg: rgba(230, 126, 34, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

ul { list-style: none; }
a { text-decoration: none; color: var(--primary); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    color: var(--text);
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto 3rem;
    text-align: center;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-white:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.7);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.15);
    color: white;
    border-color: white;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* --- Header --- */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo:hover {
    opacity: 0.85;
}

.logo-img {
    height: 36px;
    width: auto;
}

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

.nav-links a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
    text-decoration: none;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFF2E6 50%, #FFE8D6 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(230, 126, 34, 0.08), transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(243, 156, 18, 0.06), transparent 70%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(230, 126, 34, 0.1);
    color: var(--primary-dark);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 20px;
    color: var(--accent);
}

.hero h1 em {
    font-style: normal;
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat .number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-mockup {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    padding: 32px;
    width: 100%;
    max-width: 480px;
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
}

.mockup-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
}

.mockup-info h4 {
    font-size: 1rem;
    color: var(--text);
}

.mockup-info span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.mockup-chat {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: 85%;
    animation: fadeInUp 0.5s ease both;
}

.chat-bubble.coach {
    background: var(--bg-light);
    color: var(--text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.user {
    background: var(--primary);
    color: var(--white);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble:nth-child(3) { animation-delay: 0.4s; }
.chat-bubble:nth-child(4) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mockup-voice {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    color: white;
}

.voice-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    flex: 1;
}

.voice-wave span {
    display: block;
    width: 3px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: wave 1s ease-in-out infinite;
}

.voice-wave span:nth-child(1) { height: 12px; animation-delay: 0s; }
.voice-wave span:nth-child(2) { height: 20px; animation-delay: 0.1s; }
.voice-wave span:nth-child(3) { height: 16px; animation-delay: 0.2s; }
.voice-wave span:nth-child(4) { height: 24px; animation-delay: 0.3s; }
.voice-wave span:nth-child(5) { height: 14px; animation-delay: 0.4s; }
.voice-wave span:nth-child(6) { height: 22px; animation-delay: 0.5s; }
.voice-wave span:nth-child(7) { height: 10px; animation-delay: 0.6s; }
.voice-wave span:nth-child(8) { height: 18px; animation-delay: 0.7s; }
.voice-wave span:nth-child(9) { height: 14px; animation-delay: 0.8s; }
.voice-wave span:nth-child(10) { height: 20px; animation-delay: 0.9s; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1.2); }
}

.voice-label {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

/* --- Logos / Trust Bar --- */
.trust-bar {
    padding: 48px 0;
    background: var(--bg);
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.trust-bar .container {
    text-align: center;
}

.trust-bar p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 24px;
    font-weight: 500;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    opacity: 0.5;
}

.trust-logos span {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.05em;
}

/* --- Problem Section --- */
.problem {
    padding: 80px 0;
    background: var(--bg);
}

.problem h2 {
    text-align: center;
}

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

.problem-card {
    background: #FFF5F5;
    border: 1px solid #FFE0E0;
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: all var(--transition);
}

.problem-card .icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.problem-card h3 {
    margin-bottom: 8px;
    color: #C0392B;
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* --- Use Cases Section --- */
.use-cases {
    padding: 100px 0;
    background: var(--bg-light);
}

.use-cases h2 {
    text-align: center;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.use-case-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-lg);
}

.use-case-card:hover::before {
    opacity: 1;
}

.use-case-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.1), rgba(243, 156, 18, 0.1));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.use-case-card h3 {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.use-case-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.use-case-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.use-case-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text);
}

.use-case-features li::before {
    content: '\2713';
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
}

/* --- How It Works --- */
.how-it-works {
    padding: 100px 0;
    background: var(--bg);
}

.how-it-works h2 {
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.step-card {
    text-align: center;
    padding: 24px;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* --- Benefits Section --- */
.benefits {
    padding: 100px 0;
    background: var(--accent);
    color: var(--white);
}

.benefits h2 {
    text-align: center;
    color: var(--white);
}

.benefits .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.benefit-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.benefit-card h3 {
    color: var(--white);
    margin-bottom: 4px;
    font-size: 1.05rem;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- ROI Calculator --- */
.roi-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.roi-section h2 {
    text-align: center;
}

.roi-calculator {
    max-width: 800px;
    margin: 48px auto 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px var(--shadow);
    overflow: hidden;
}

.roi-inputs {
    padding: 40px;
}

.roi-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #f0f0f0;
}

.roi-row:last-child {
    border-bottom: none;
}

.roi-label {
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
}

.roi-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.roi-input input[type="range"] {
    width: 200px;
    accent-color: var(--primary);
}

.roi-value {
    font-weight: 700;
    color: var(--primary);
    min-width: 60px;
    text-align: right;
}

.roi-results {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    padding: 40px;
    color: white;
}

.roi-results h3 {
    color: white;
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.3rem;
}

.roi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
}

.roi-item .roi-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.roi-item .roi-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* --- Pricing Section --- */
.pricing {
    padding: 100px 0;
    background: var(--bg);
}

.pricing h2 {
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
    max-width: 1050px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 2px solid transparent;
    transition: all var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.04);
}

.pricing-card.featured .pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: scale(1.04) translateY(-4px);
}

.pricing-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.pricing-price {
    margin-bottom: 24px;
}

.pricing-price .amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text);
}

.pricing-price .currency {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
}

.pricing-price .period {
    font-size: 0.9rem;
    color: var(--text-light);
}

.pricing-price .per-user {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 4px;
}

.pricing-features {
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
}

.pricing-features li::before {
    content: '\2713';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* --- Comparison Table --- */
.comparison {
    padding: 100px 0;
    background: var(--bg-light);
}

.comparison h2 {
    text-align: center;
}

.comparison-table {
    max-width: 900px;
    margin: 48px auto 0;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    font-size: 0.95rem;
}

.comparison-table thead th {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

.comparison-table thead th:first-child {
    text-align: left;
}

.comparison-table thead th:not(:first-child) {
    text-align: center;
}

.comparison-table tbody td:not(:first-child) {
    text-align: center;
}

.comparison-table tbody tr {
    border-bottom: 1px solid #f0f0f0;
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.check { color: var(--primary); font-weight: 700; font-size: 1.2rem; }
.cross { color: #ccc; font-size: 1.2rem; }

/* --- Demo Section --- */
.demo {
    padding: 100px 0;
    background: var(--bg);
}

.demo h2 {
    text-align: center;
}

.demo-container {
    max-width: 700px;
    margin: 48px auto 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px var(--shadow);
    overflow: hidden;
}

.demo-player {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    padding: 48px;
    text-align: center;
    color: white;
}

.demo-player-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.demo-player-icon:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.demo-player h3 {
    color: white;
    margin-bottom: 8px;
}

.demo-player p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.demo-scenarios {
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.demo-scenario {
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid #eee;
}

.demo-scenario:hover {
    background: var(--bg-light);
    border-color: var(--primary);
}

.demo-scenario .scenario-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.demo-scenario .scenario-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

/* --- FAQ Section --- */
.faq {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq h2 {
    text-align: center;
}

.faq-list {
    max-width: 750px;
    margin: 48px auto 0;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-arrow {
    font-size: 1.2rem;
    transition: transform var(--transition);
    color: var(--primary);
}

.faq-item.open .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    text-align: center;
    color: white;
}

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

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* --- Footer --- */
.footer {
    background: var(--accent);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.footer ul li {
    margin-bottom: 8px;
}

.footer ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-links {
    display: flex;
    gap: 24px;
}

/* --- Blog --- */
.blog-hero {
    padding: 120px 0 60px;
    background: linear-gradient(170deg, var(--bg) 0%, var(--bg-light) 100%);
    text-align: center;
}

.blog-hero h1 {
    margin-bottom: 1rem;
}

.blog-hero p {
    color: var(--text-light);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding: 60px 0 80px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow);
}

.blog-card .card-image {
    width: 100%;
    height: 200px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card .card-body {
    padding: 24px;
}

.blog-card .card-meta {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    display: flex;
    gap: 12px;
}

.blog-card .card-body h3 {
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.blog-card .card-body h3 a {
    color: var(--text);
    transition: color var(--transition);
}

.blog-card .card-body h3 a:hover {
    color: var(--primary);
}

.blog-card .card-body p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-card .read-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
}

.blog-card .read-more:hover {
    color: var(--primary-dark);
}

.blog-hero-image {
    width: 100%;
    border-radius: var(--radius);
    margin: 1.5rem 0 2rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Blog Article */
.blog-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 120px clamp(20px, 5vw, 48px) 80px;
    overflow-x: hidden;
}

.blog-article .back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.blog-article .back-link:hover {
    color: var(--primary-dark);
}

.blog-article .article-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.blog-article h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-article h2 {
    font-size: 1.6rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

.blog-article h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.blog-article p {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.blog-article ul, .blog-article ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--text);
}

.blog-article ul { list-style: disc; }
.blog-article ol { list-style: decimal; }

.blog-article li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.blog-article blockquote {
    border-left: 4px solid var(--primary);
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background: var(--bg-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-light);
}

.blog-article .fazit {
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 24px 28px;
    margin: 2rem 0;
}

.blog-article .fazit h3 {
    margin-top: 0;
    color: var(--primary-dark);
}

.blog-article .cta-box {
    background: var(--bg-dark);
    color: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin: 3rem 0;
}

.blog-article .cta-box h3 {
    color: var(--white);
    margin-top: 0;
}

.blog-article .cta-box p {
    color: rgba(255, 255, 255, 0.8);
}

/* --- Related Articles (Blog) --- */
.related-articles {
    padding: 48px 0 0;
    margin-top: 40px;
    border-top: 2px solid #f0e6d9;
}

.related-articles h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2D3436;
    margin-bottom: 24px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.related-card {
    background: #fff;
    border: 1px solid #e0e6ed;
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: #2D3436;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(230, 126, 34, 0.12);
    transform: translateY(-2px);
}

.related-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #2D3436;
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-card p {
    font-size: 0.85rem;
    color: #636E72;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 12px;
}

.related-card .read-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: auto;
}

.related-card:hover .read-more {
    color: var(--primary-dark);
}

/* Key Takeaways */
.key-takeaways {
    background: #FFF8F0;
    border: 1px solid #f0e6d9;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.key-takeaways h2 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
    margin-top: 0;
    border-bottom: none;
}

.key-takeaways ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.key-takeaways li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text);
}

.key-takeaways li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Table of Contents */
.toc {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 40px;
}

.toc h2 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 15px;
    margin-top: 0;
    border-bottom: none;
}

.toc ol {
    counter-reset: toc-counter;
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc li {
    counter-increment: toc-counter;
    margin-bottom: 8px;
}

.toc li a {
    display: flex;
    align-items: center;
    color: var(--text);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.toc li a::before {
    content: counter(toc-counter) ".";
    margin-right: 10px;
    color: var(--primary);
    font-weight: 600;
    min-width: 25px;
}

.toc li a:hover {
    background: #e9ecef;
    color: var(--primary);
}

/* FAQ Section */
.faq-section {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 40px;
}

.faq-section h2 {
    border-bottom: none;
    margin-top: 0;
}

.faq-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 10px;
    margin-top: 0;
}

.faq-answer {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* Conclusion */
.conclusion {
    margin-top: 50px;
}

/* --- Audio Demo Section --- */
/* --- Video Section --- */
.video-section {
    padding: 100px 0;
    background: linear-gradient(170deg, var(--bg) 0%, var(--bg-light) 100%);
    text-align: center;
}

.video-section h2 {
    text-align: center;
    margin-bottom: 0.75rem;
}

.video-section p {
    color: var(--text-light);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

.video-section .video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.video-section video {
    width: 100%;
    height: auto;
    display: block;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.9rem; }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }

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

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

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    /* Mobile menu open */
    .header.menu-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 24px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        gap: 16px;
    }

    .header.menu-open .nav-cta {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: calc(72px + var(--nav-height, 200px));
        left: 0;
        right: 0;
        background: white;
        padding: 0 24px 24px;
    }

    .hero {
        padding: 60px 0;
    }

    .problem-grid,
    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .roi-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .roi-row {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .roi-input {
        width: 100%;
    }

    .roi-input input[type="range"] {
        flex: 1;
    }

    .demo-scenarios {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 10px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .blog-grid { grid-template-columns: 1fr; }
    .blog-article h1 { font-size: 2rem; }
    .blog-article { padding: 100px 20px 60px; }
}