* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: #f5f5f5;
    color: #1a1a1a;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    margin: 0 auto 60px auto;
    position: relative;
    max-width: 1100px;
}

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

.logo img {
    height: 40px;
    width: auto;
    mix-blend-mode: multiply;
}

.nav-links {
    display: flex;
    gap: 48px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 400;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* Hero Section */
.hero {
    max-width: 1100px;
    padding: 20px 0 120px;
    text-align: left;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 80px;
}

.hero-content {
    flex: 1;
}


.hero h1 {
    font-size: 72px;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
    color: #1a1a1a;
    max-width: 1000px;
}

.hero p {
    font-size: 20px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 48px;
    max-width: 800px;
}

.access-form {
    display: flex;
    gap: 12px;
    max-width: 600px;
}

.email-input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.email-input:focus {
    outline: none;
    border-color: #1a1a1a;
}

.email-input::placeholder {
    color: #999;
}

.btn-cta {
    padding: 16px 40px;
    background: #1a1a1a;
    border: 2px solid #1a1a1a;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    white-space: nowrap;
}

.btn-cta:hover {
    background: transparent;
    color: #1a1a1a;
}

/* Workflow Animation */
.workflow-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.workflow-node {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #f5f5f5;
    border: 2px solid #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.node-inner {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #1a1a1a;
    animation: pulse 6s ease-in-out infinite;
}

.workflow-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, #1a1a1a 0%, #e5e5e5 100%);
    position: relative;
    overflow: hidden;
}

.workflow-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: linear-gradient(180deg, #1a1a1a 0%, transparent 100%);
    animation: flow 6s ease-in-out infinite;
}

.node-1 .node-inner {
    animation-delay: 0s;
}

.node-2 .node-inner {
    animation-delay: 1.5s;
}

.node-3 .node-inner {
    animation-delay: 3s;
}

.node-4 .node-inner {
    animation-delay: 4.5s;
}

.line-1::after {
    animation-delay: 0.5s;
}

.line-2::after {
    animation-delay: 2s;
}

.line-3::after {
    animation-delay: 3.5s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    15% {
        transform: scale(1.5);
        opacity: 1;
    }
    25% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 0.6;
    }
}

@keyframes flow {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    5% {
        opacity: 0;
    }
    15% {
        opacity: 1;
    }
    25% {
        transform: translateY(100%);
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}

/* Product Section */
.product {
    max-width: 1100px;
    padding: 80px 0;
    text-align: center;
    margin: 0 auto;
}

.product h2 {
    font-size: 48px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.product > p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    text-align: left;
}

.feature-card {
    padding: 32px;
    background: #ffffff;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #9AA0A6;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
    line-height: 1.3;
    min-height: 65px;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}

/* Use Cases Section */
.use-cases {
    padding: 80px 40px;
    text-align: center;
    background: #ffffff;
    margin: 0 -40px;
    border-radius: 8px;
}

.use-cases > * {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.use-cases h2 {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.use-cases > p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 72px;
}

.use-cases-grid {
    display: flex;
    flex-direction: column;
    gap: 64px;
    max-width: 1100px;
    margin: 0 auto;
}

.use-case-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e5e5e5;
    text-align: left;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.use-case-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}

.card-header {
    padding: 24px 24px 12px 24px;
}

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

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.freight-icon {
    background: #E0F2FE;
    color: #0369A1;
}

.gtm-icon {
    background: #F0FDF4;
    color: #15803D;
}

.card-category {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: #f5f5f5;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #525252;
    text-transform: uppercase;
    border: 1px solid #e5e5e5;
}

.card-title {
    font-size: 28px;
    font-weight: 600;
    color: #171717;
    margin-bottom: 0;
    line-height: 1.3;
}

.card-workflows {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
}

.workflow-item {
    padding: 22px 24px;
    background: #ffffff;
    border-top: 1px solid #EAECEE;
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 12px;
    text-decoration: none;
    cursor: default;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.workflow-item:hover {
    border-top: 1px solid #d4d4d4;
    box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.02);
}

.workflow-title {
    color: #171717;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.workflow-separator {
    display: none;
}

.workflow-desc {
    color: #4B5563;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.5;
}

@media (min-width: 1024px) {
    .card-workflows {
        grid-template-columns: 1fr;
    }
}

/* About Section */
.about {
    max-width: 1100px;
    padding: 80px 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.about-logos {
    display: flex;
    align-items: center;
    gap: 24px;
}

.company-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.about-text {
    font-size: 16px;
    color: #666;
    font-weight: 400;
    white-space: nowrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #ffffff;
    border-radius: 12px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    animation: slideUp 0.3s ease;
}

.modal-header {
    padding: 32px 32px 16px 32px;
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.modal-body {
    padding: 0 32px 24px 32px;
}

.modal-body p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin: 0;
}

.modal-footer {
    padding: 0 32px 32px 32px;
}

.btn-close {
    width: 100%;
    padding: 12px 24px;
    background: #1a1a1a;
    border: 2px solid #1a1a1a;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-close:hover {
    background: transparent;
    color: #1a1a1a;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Footer */
.footer {
    background: #ffffff;
    padding: 40px 0;
    text-align: center;
    margin-top: 0;
}

.footer p {
    color: #666;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 48px;
    }

    .hero p {
        font-size: 18px;
    }

    .hero {
        padding: 40px 0 80px;
        flex-direction: column;
        gap: 40px;
    }

    .access-form {
        flex-direction: column;
        gap: 12px;
    }

    .btn-cta {
        width: 100%;
    }

    .workflow-animation {
        display: none;
    }

    .product h2 {
        font-size: 36px;
    }

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

    .use-cases-grid {
        gap: 48px;
    }

    .card-header {
        padding: 20px 20px 16px 20px;
    }

    .use-cases h2 {
        font-size: 48px;
    }

    .card-title {
        font-size: 24px;
    }

    .workflow-item {
        padding: 20px;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .workflow-title {
        font-size: 15px;
    }

    .workflow-desc {
        font-size: 14px;
    }

    .about {
        padding: 60px 0;
        flex-direction: column;
        gap: 20px;
    }

    .about-logos {
        gap: 20px;
    }

    .company-logo {
        height: 28px;
    }

    .about-text {
        font-size: 14px;
    }
}