body {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

header {
    max-width: 100vw;
    padding: 50px;
    background: black;
    color: #fff;
    display: flex;
    justify-content: center;
}
header img {
    max-width: 400px;
}

nav ol {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 0;
    list-style: none;
}
nav a {
    color: #000;
    text-decoration: none;
    font-weight: 600;
}
nav a:hover {
    color: #555;
    transition: color 0.5s ease;
}

.banner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 30vh;
    padding: 60px 24px;
    background: linear-gradient(135deg, #000000, #326990);
    color: #fff;
    text-align: center;
}
.banner-content {
    max-width: 720px;
}
.banner .eyebrow {
    margin: 0 0 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.85;
}
.banner h1 {
    margin: 0 0 1rem;
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1.05;
}
.banner p {
    margin: 0 0 1.5rem;
    font-size: 1.1rem;
    max-width: 640px;
    margin-inline: auto;
}
.banner-button {
    display: inline-block;
    padding: 0.9rem 1.8rem;
    background: #ffffff;
    color: #1a202c;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
}
.banner-button:hover {
    padding: 0.9rem 2.4rem;
}
.banner-button {
    transition: all 0.5s ease;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    padding: 40px 24px 80px;
    max-width: 100%;
    margin: 0 auto;
    background-color: #d5d5d5a8;
}
.cards article {
    background: #64acb4;
    border-radius: 24px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    text-align: left;
    padding: 18px;
    cursor: pointer;
}
.cards article:hover {
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
    transform: translateY(-4px);
    transition: all 0.5s ease;
}
.cards article img {
    width: 100%;
    display: block;
}
.cards article h2 {
    margin: 20px 24px 12px;
    font-size: 1.3rem;
}
.cards article p {
    margin: 0 24px 24px;
    color: #4a5568;
    line-height: 1.6;
}

footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: start;
    padding: 32px 24px 12px 24px;
    background: #101827;
    color: #f8fafc;
    max-width: 100%;
}
.footer-column img {
    max-width: 240px;
    display: block;
    margin-bottom: 16px;
}
.footer-left {
    text-align: left;
}
.footer-right {
    text-align: right;
    font-size: 12px;
}

@media (max-width: 720px) {
    footer {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-column img {
        margin-left: auto;
        margin-right: auto;
    }
}