/* ============================================
   clipOne — AI Video Generation
   Brand Color: Purple #6F42C1
   OneAI Family Design System
   ============================================ */

/* --- Variables --- */
:root {
    --primary: #6F42C1;
    --primary-light: #8E6FD5;
    --primary-dark: #5A2D9F;
    --accent: #1A1A2E;
    --text: #2D3436;
    --text-light: #636E72;
    --white: #FFFFFF;
    --bg: #FFFFFF;
    --bg-light: #F5F0FF;
    --bg-dark: #1A1A2E;
    --shadow: rgba(111, 66, 193, 0.08);
    --shadow-lg: rgba(111, 66, 193, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
    --max-width: 1200px;
}

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

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

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    color: var(--accent);
    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;
}

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

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

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

.section-header h2 {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: 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;
    font-family: inherit;
}

.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: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
    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);
    -webkit-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 img {
    height: 40px;
    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 --- */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #EBE5FF 50%, #E0D4FF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(111, 66, 193, 0.08), transparent 70%);
    top: -150px;
    right: -150px;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(111, 66, 193, 0.05), 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(111, 66, 193, 0.1);
    color: var(--primary-dark);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

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

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

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

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.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);
    margin-top: 2px;
}

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

.hero-video-mockup {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    padding: 24px;
    width: 100%;
    max-width: 480px;
    position: relative;
}

.hero-video-mockup .mockup-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dot.red { background: #ff5f57; }
.mockup-dot.yellow { background: #ffbd2e; }
.mockup-dot.green { background: #28c840; }

.hero-video-mockup .mockup-body {
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D5E 100%);
    border-radius: var(--radius-sm);
    padding: 40px 24px;
    text-align: center;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.mockup-play-btn {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(111, 66, 193, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.mockup-play-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
    margin-left: 3px;
}

.mockup-text {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.mockup-progress {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.mockup-progress-bar {
    width: 35%;
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
}

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

.trust-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
}

.trust-icon {
    font-size: 1.5rem;
}

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

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

.problem-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid rgba(0,0,0,0.06);
    text-align: center;
}

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

.problem-card h3 {
    margin-bottom: 12px;
    color: var(--text);
}

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

.problem-card .highlight {
    color: #e74c3c;
    font-weight: 700;
}

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

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

.step-card {
    text-align: center;
    position: relative;
    counter-increment: step;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px var(--shadow-lg);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

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

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

/* --- Features --- */
.features {
    padding: 100px 0;
    background: var(--bg);
}

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

.feature-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;
}

.feature-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);
}

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

.feature-card:hover::before {
    opacity: 1;
}

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

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

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

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

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

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

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

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

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

.usecase-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.usecase-tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.comparison-table {
    max-width: 900px;
    margin: 48px auto 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    background: var(--accent);
    color: var(--white);
    padding: 16px 24px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.comparison-table th.highlight-col {
    background: var(--primary);
}

.comparison-table td {
    padding: 14px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    font-size: 0.95rem;
}

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

.comparison-table tr:nth-child(even) {
    background: var(--bg-light);
}

.comparison-table .check {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-table .cross {
    color: #e74c3c;
    font-weight: 700;
    font-size: 1.1rem;
}

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

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

.pricing-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 32px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 12px 40px var(--shadow-lg);
    transform: translateY(-8px);
    position: relative;
}

.pricing-card.featured::after {
    content: 'Beliebt';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.price-sub {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.pricing-card ul {
    flex: 1;
    margin-bottom: 24px;
}

.pricing-card ul li {
    padding: 8px 0;
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

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

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

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

.faq-list {
    max-width: 800px;
    margin: 48px auto 0;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
    user-select: none;
    transition: color var(--transition);
    font-size: 1.05rem;
}

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

.faq-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

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

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

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding-bottom: 24px;
    color: var(--text-light);
    line-height: 1.7;
}

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

.cta-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
    top: -200px;
    right: -100px;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
    bottom: -100px;
    left: -50px;
}

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

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

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

/* --- Footer --- */
.footer {
    background: var(--bg-dark);
    color: var(--white);
    padding: 64px 0 24px;
}

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

.footer-brand img {
    height: 32px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

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

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(111, 66, 193, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(111, 66, 193, 0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .steps-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;
    }

    .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;
        z-index: 999;
    }

    .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;
        z-index: 999;
    }

    .hero {
        padding: 60px 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .hero-stats {
        justify-content: center;
        gap: 24px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-video-mockup {
        max-width: 360px;
        margin: 0 auto;
    }

    .problem-grid,
    .feature-grid,
    .usecase-grid,
    .pricing-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

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

    .comparison-table {
        overflow-x: auto;
    }

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

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

    .trust-bar .container {
        gap: 24px;
    }

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

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.4rem; }

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

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

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