:root {
    --gradient: linear-gradient(108deg, #1e3c72, #2a5298 34%, #4facfe 68%, #00f2fe)
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #fff;
    color: #1d1d1f;
    overflow-x: hidden;
}

.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    min-height: 60vh;
}

.hero-title {
    font-size: 4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s forwards;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: #1d1d1f;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.2s forwards;
}

.hero-description {
    font-size: 1.25rem;
    color: #86868b;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.4s forwards;
}

.phone-container {
    margin-top: 2rem;
    max-width: 375px;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.6s forwards;
}

.phone-image {
    width: 100%;
    height: auto;
}

.main-phone {
    transform: translateZ(0);
    transition: transform 0.5s ease;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: #f5f5f7;
    position: relative;
    overflow: hidden;
}

/* Multi-Phone Carousel Section */
.multi-phone-container {
    margin: 0 auto;
    width: 100%;
    max-width: 1400px;
    padding: 3rem 0;
    position: relative;
}

.feature-title {
    font-size: 1.75rem;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto 4rem;
    line-height: 1.4;
    opacity: 0;
    transform: translateY(30px);
    text-align: center;
    padding: 0 2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    background-position-x: 0%;
}

.feature-title.visible {
    animation: fadeUp 0.8s forwards;
}

.phone-carousel {
    width: 100%;
    overflow: visible;
    position: relative;
    padding: 20px 0;
}

.phone-carousel-inner {
    display: flex;
    gap: 24px;
    padding: 0 24px;
    width: max-content;
    transform: translateX(0);
    transition: transform 0.5s ease;
}

.phone-item {
    flex: 0 0 auto;
    width: 300px;
    opacity: 0;
    transform: translateY(50px);
    transition: transform 0.3s ease;
}

.phone-carousel-image {
    width: 100%;
    height: auto;
    border-radius: 36px;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 0.8; }
}

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 0.8; }
    100% { opacity: 0.4; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.phone-item.visible {
    animation: fadeUp 0.5s forwards;
}

/* Zeitversetzung für die Animation */
.phone-item:nth-child(1).visible { animation-delay: 0s; }
.phone-item:nth-child(2).visible { animation-delay: 0.1s; }
.phone-item:nth-child(3).visible { animation-delay: 0.2s; }
.phone-item:nth-child(4).visible { animation-delay: 0.3s; }
.phone-item:nth-child(5).visible { animation-delay: 0.4s; }
.phone-item:nth-child(6).visible { animation-delay: 0.5s; }

/* Responsive Anpassungen */
@media (max-width: 1400px) {
    .phone-carousel {
        overflow: hidden;
    }
    
    .phone-carousel-inner {
        padding: 0 16px;
    }
    
    .phone-item {
        width: 280px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .feature-title {
        font-size: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .phone-item {
        width: 260px;
    }
    
    .phone-carousel-inner {
        gap: 16px;
        padding: 0 12px;
    }
    
    .features-section {
        padding: 3rem 0;
    }
}

/* Document Analysis Section */
.document-analysis {
    padding: 120px 0;
    background-color: #fff;
    overflow: hidden;
}

.document-analysis-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.document-analysis-content {
    padding-left: 40px;
}

.document-analysis-title {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.015em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.document-analysis-description {
    font-size: 19px;
    font-weight: 400;
    line-height: 1.5;
    color: #1d1d1f;
    margin: 0;
}

.document-analysis-images {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.macbook-image {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.macbook-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.iphone-image {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 45%;
    z-index: 2;
}

.iphone-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Responsive Anpassungen für Document Analysis */
@media (max-width: 1068px) {
    .document-analysis {
        padding: 80px 0;
    }

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

    .document-analysis-content {
        padding-left: 0;
    }

    .document-analysis-title {
        font-size: 40px;
    }

    .document-analysis-description {
        font-size: 19px;
    }

    .document-analysis-images {
        height: 400px;
    }
}

@media (max-width: 734px) {
    .document-analysis {
        padding: 48px 0;
    }

    .document-analysis-container {
        padding: 0 16px;
    }

    .document-analysis-title {
        font-size: 32px;
    }

    .document-analysis-description {
        font-size: 17px;
    }

    .document-analysis-images {
        height: 300px;
    }
}

/* Document Understanding Section */
.document-understanding {
    padding: 120px 0;
    background-color: #f5f5f7;
    overflow: hidden;
}

.document-understanding-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.document-understanding-content {
    order: 1;
    padding-right: 40px;
    padding-left: 0;
}

.document-understanding-title {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.015em;
}

.document-understanding-description {
    font-size: 19px;
    font-weight: 400;
    line-height: 1.5;
    color: #1d1d1f;
    margin: 0;
}

.document-understanding-images {
    order: 2;
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.document-understanding .macbook-image {
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
}

.document-understanding .macbook-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 550px;
}

/* Responsive Anpassungen für Document Understanding */
@media (max-width: 1068px) {
    .document-understanding {
        padding: 80px 0;
    }

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

    .document-understanding-content {
        order: 1;
        padding-right: 0;
    }

    .document-understanding-title {
        font-size: 40px;
    }

    .document-understanding-description {
        font-size: 19px;
    }

    .document-understanding-images {
        order: 2;
        height: 400px;
    }

    .document-understanding .macbook-image {
        max-width: 600px;
    }

    .document-understanding .macbook-image img {
        max-height: 420px;
    }
}

@media (max-width: 734px) {
    .document-understanding {
        padding: 48px 0;
    }

    .document-understanding-container {
        padding: 0 16px;
    }

    .document-understanding-title {
        font-size: 32px;
    }

    .document-understanding-description {
        font-size: 17px;
    }

    .document-understanding-images {
        height: 300px;
    }

    .document-understanding .macbook-image {
        max-width: 480px;
    }

    .document-understanding .macbook-image img {
        max-height: 340px;
    }
}

/* Diagram Visualization Section */
.diagram-visualization {
    padding: 120px 0;
    background-color: #fff;
    overflow: hidden;
}

.diagram-visualization-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.diagram-visualization-content {
    padding-left: 40px;
}

.diagram-visualization-title {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.015em;
}

.diagram-visualization-description {
    font-size: 19px;
    font-weight: 400;
    line-height: 1.5;
    color: #1d1d1f;
    margin: 0;
}

.diagram-visualization-images {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Anpassungen für Diagram Visualization */
@media (max-width: 1068px) {
    .diagram-visualization {
        padding: 80px 0;
    }

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

    .diagram-visualization-content {
        padding-left: 0;
    }

    .diagram-visualization-title {
        font-size: 40px;
    }

    .diagram-visualization-description {
        font-size: 19px;
    }

    .diagram-visualization-images {
        height: 400px;
    }
}

@media (max-width: 734px) {
    .diagram-visualization {
        padding: 48px 0;
    }

    .diagram-visualization-container {
        padding: 0 16px;
    }

    .diagram-visualization-title {
        font-size: 32px;
    }

    .diagram-visualization-description {
        font-size: 17px;
    }

    .diagram-visualization-images {
        height: 300px;
    }
}

.intelligence-section {
    padding: 120px 0;
    background-color: #fff;
    overflow: hidden;
}

.intelligence-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.intelligence-content {
    padding-right: 40px;
}

.intelligence-title {
    font-size: 56px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 16px;
    color: #1d1d1f;
    letter-spacing: -0.02em;
}

.intelligence-subtitle {
    font-size: 56px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 32px;
    color: #1d1d1f;
    letter-spacing: -0.02em;
}

.intelligence-description {
    font-size: 21px;
    font-weight: 400;
    line-height: 1.5;
    color: #1d1d1f;
    margin-bottom: 48px;
}

.security-promises {
    margin-top: 48px;
}

.security-promises-title {
    font-size: 28px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.checkmarks-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.checkmark-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    filter: brightness(0) saturate(100%) invert(30%) sepia(93%) saturate(1352%) hue-rotate(204deg) brightness(102%) contrast(101%);
}

.checkmark-text {
    font-size: 19px;
    font-weight: 400;
    line-height: 1.4;
}

.intelligence-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.intelligence-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    object-fit: contain;
}

/* Responsive Anpassungen für Intelligence Section */
@media (max-width: 1068px) {
    .intelligence-section {
        padding: 80px 0;
    }

    .intelligence-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .intelligence-content {
        padding-right: 0;
        order: 1;
    }

    .intelligence-image {
        order: 2;
    }

    .intelligence-title {
        font-size: 48px;
    }

    .intelligence-subtitle {
        font-size: 48px;
        line-height: 1.05;
    }

    .intelligence-description {
        font-size: 19px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
        text-align: left;
    }

    .checkmarks-list {
        align-items: flex-start;
        max-width: 600px;
        margin: 0 auto;
    }

    .checkmark-item {
        justify-content: flex-start;
        text-align: left;
    }

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

@media (max-width: 734px) {
    .intelligence-section {
        padding: 60px 0;
    }

    .intelligence-container {
        padding: 0 20px;
        gap: 40px;
        text-align: left;
        align-items: flex-start;
    }

    .intelligence-title {
        font-size: 32px;
    }

    .intelligence-subtitle {
        font-size: 32px;
        line-height: 1.05;
        margin-bottom: 24px;
    }

    .intelligence-description {
        font-size: 17px;
        text-align: left;
        margin-bottom: 32px;
    }

    .security-promises-title {
        font-size: 21px;
        text-align: left;
        margin-bottom: 20px;
    }

    .checkmarks-list {
        max-width: 100%;
    }

    .checkmark-text {
        font-size: 17px;
    }

    .checkmark-icon {
        width: 20px;
        height: 20px;
    }

    .intelligence-image img {
        max-width: 280px;
    }
}

/* Anthropic Section - ChatGPT Style */
.anthropic-section {
    padding: 120px 0;
    background-color: #000;
    color: #fff;
    overflow: hidden;
}

.anthropic-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 80px;
    align-items: center;
    text-align: center;
}

.anthropic-content {
    max-width: 800px;
}

.anthropic-title {
    font-size: 56px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 32px;
    color: #fff;
    letter-spacing: -0.02em;
}

.anthropic-description {
    font-size: 21px;
    font-weight: 400;
    line-height: 1.5;
    color: #fff;
}

.anthropic-description p {
    margin-bottom: 24px;
}

.anthropic-description p:last-child {
    margin-bottom: 0;
}

.anthropic-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.device-showcase {
    width: 100%;
    max-width: 700px;
    position: relative;
}

.device-showcase img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.anthropic-logo {
    margin-bottom: 32px;
}

.logo-image {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* Responsive Anpassungen für Anthropic Section */
@media (max-width: 1068px) {
    .anthropic-section {
        padding: 80px 0;
    }

    .anthropic-container {
        gap: 60px;
    }

    .anthropic-content {
        max-width: 700px;
    }

    .anthropic-title {
        font-size: 48px;
        line-height: 1.05;
        margin-bottom: 24px;
    }

    .anthropic-description {
        font-size: 19px;
        text-align: left;
        max-width: 600px;
    }

    .anthropic-logo {
        margin-bottom: 24px;
    }
}

@media (max-width: 734px) {
    .anthropic-section {
        padding: 60px 0;
    }

    .anthropic-container {
        padding: 0 20px;
        gap: 40px;
        text-align: left;
        align-items: flex-start;
    }

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

    .anthropic-title {
        font-size: 32px;
        line-height: 1.05;
        margin-bottom: 20px;
        text-align: left;
    }

    .anthropic-description {
        font-size: 17px;
        text-align: left;
        max-width: 100%;
    }

    .anthropic-description p {
        margin-bottom: 20px;
    }

    .anthropic-logo {
        margin-bottom: 20px;
        text-align: left;
    }

    .logo-image {
        height: 32px;
    }

    .device-showcase {
        max-width: 100%;
        max-width: 400px;
    }
}

/* Schwarze Navbar für Anthropic Section */
.nav.black-navbar {
    background-color: #000 !important;
    transition: background-color 0.3s ease;
}

.nav.black-navbar .nav-link {
    color: #fff !important;
}

.nav.black-navbar .nav-link:hover {
    color: #ccc !important;
}

.nav.black-navbar .nav-logo {
    filter: brightness(0) invert(1) !important;
}

.nav.black-navbar .menu-line {
    background-color: #fff !important;
}

.secondary-nav.black-navbar {
    background-color: rgba(0, 0, 0, 0.8) !important;
    backdrop-filter: saturate(250%) blur(20px);
    -webkit-backdrop-filter: saturate(250%) blur(20px);
    transition: background-color 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.secondary-nav.black-navbar .nav-left a {
    color: #fff !important;
}

.secondary-nav.black-navbar .nav-right .nav-link {
    color: #fff !important;
}

.secondary-nav.black-navbar .nav-right .nav-link:hover {
    color: #ccc !important;
}

.secondary-nav.black-navbar .nav-right .nav-link.active {
    color: #fff !important;
}

.secondary-nav.black-navbar .nav-right .nav-link.active:after {
    background-color: #fff !important;
}

/* Mobile-spezifische Regeln für schwarze Navbar */
.nav.black-navbar .mobile-nav-container .nav-link {
    color: #fff !important;
}

.nav.black-navbar .mobile-nav-container .nav-logo {
    filter: brightness(0) invert(1) !important;
}

.secondary-nav.black-navbar .mobile-nav-title .mobile-nav-text {
    color: #fff !important;
}

.secondary-nav.black-navbar .mobile-nav-arrow {
    color: #fff !important;
}

.secondary-nav.black-navbar .nav-left .nav-link:not(.hero-button) {
    color: #fff !important;
}

/* Dropdown-Inhalte für schwarze Navbar */
.main-dropdown.black-navbar {
    background-color: rgba(0, 0, 0, 0.95) !important;
}

.main-dropdown.black-navbar .main-dropdown-item {
    color: #fff !important;
}

.mobile-dropdown.black-navbar {
    background-color: rgba(0, 0, 0, 0.95) !important;
}

.mobile-dropdown.black-navbar .mobile-dropdown-item {
    color: #fff !important;
}