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

body {
    font-family: 'Ubuntu', sans-serif;
    background: #171717;
    color: white;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

.header {
    position: sticky;
    top: 0;
    background: #171717;
    border-bottom: 1px solid #222;
    z-index: 10;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-weight: 600;
    letter-spacing: 2px;
    color: #B98700;
}

.logo-img {
    height: 32px;
    width: auto;
    display: block;
}

.menu a {
    margin: 0 15px;
    text-decoration: none;
    color: white;
    opacity: .8;
}

.cta {
    background: #B98700;
    color: #171717;
    padding: 10px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
}

.cta.large {
    padding: 15px 25px;
    font-size: 18px;
}

.hero {
    padding: 120px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 52px;
    font-family: 'Ubuntu', sans-serif;
    margin-bottom: 20px;
}

.hero p {
    opacity: .8;
    margin-bottom: 30px;
}

.hero-buttons a {
    margin-right: 10px;
}

.secondary {
    border: 1px solid #B98700;
    padding: 10px 18px;
    border-radius: 5px;
    text-decoration: none;
    color: #B98700;
}

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

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

.section {
    padding: 100px 0;
}

.section.dark {
    background: #111;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #2a2a2a;
    transition: transform .3s;
}

.card:hover {
    transform: translateY(-5px);
}

.problem-card {
    background: #191414;
    padding: 60px 30px;
    border-radius: 12px;
    border: 1px solid #3d2a2a;
    transition: transform .3s, border-color .3s;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 250px;
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: #5a3a3a;
}

.feature {
    text-align: center;
}

.icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.center {
    text-align: center;
}

.subtitle {
    opacity: .8;
    margin-top: 10px;
}

.footer {
    border-top: 1px solid #222;
    padding: 40px 0;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.email-communications {
    max-width: 820px;
}

.email-communications h2 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 10px;
}

.email-communications p {
    color: #bbb;
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
}

.footer-links a {
    color: #d7b24c;
    font-size: 14px;
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    text-decoration: underline;
}

.features-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}

.features-title {
    font-size: 24px;
    margin-bottom: 40px;
    font-weight: 700;
}

.feature-item {
    border-bottom: 1px solid #333;
    padding-bottom: 25px;
    margin-bottom: 25px;
}

.feature-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 8px;
    font-weight: 500;
}

.feature-item p {
    opacity: 0.7;
    font-size: 14px;
    line-height: 1.5;
}

.features-image {
    display: flex;
    align-items: stretch;
}

.features-image img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    display: block;
    object-fit: cover;
}

.features-image.diagram-image {
    align-items: center;
}

.features-image.diagram-image img {
    height: auto;
    object-fit: contain;
    padding: 20px;
}

.infra-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.infra-title-area {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.infra-title-area h2 {
    font-size: 42px;
    line-height: 1.2;
}

.infra-image img {
    width: 100%;
    border-radius: 12px;
    display: block;
    object-fit: cover;
}

.infra-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.infra-card {
    background: #1a1a1a;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #2a2a2a;
    transition: transform .3s;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 220px;
}

.infra-card:hover {
    transform: translateY(-5px);
}

.infra-card h3 {
    font-size: 20px;
    margin-bottom: 30px;
    font-weight: 500;
}

.infra-card p {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.5;
}

@media(max-width:900px) {

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

    .hero h1 {
        font-size: 38px;
    }

    .menu {
        display: none;
    }

    .features-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .infra-header {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-links {
        justify-content: flex-start;
    }

}