.site-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.main-nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 20px;

    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    text-decoration: none;
    color: #0f172a;
}

.hero {
    max-width: 850px;
    margin: 70px auto 50px;
    text-align: center;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 19px;
}

.eyebrow {
    color: #2563eb;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
    margin-top: 25px;
}

.tech-card {
    background: white;
    border-radius: 18px;
    padding: 28px;
    text-decoration: none;
    color: #111827;

    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    transition: 0.2s ease;
}

.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
}

.tech-icon {
    width: 65px;
    height: 65px;
    border-radius: 16px;
    background: #0f172a;
    color: #00ff88;

    display: flex;
    align-items: center;
    justify-content: center;

    font-weight: 900;
    margin-bottom: 18px;
}

.link-list {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.link-list a {
    background: white;
    padding: 16px 18px;
    border-radius: 12px;
    text-decoration: none;
    color: #0f172a;
    font-weight: 700;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.quick-card {
    background: white;
    padding: 25px;
    border-radius: 16px;
}

.quick-card ul {
    margin-top: 12px;
    padding-left: 20px;
}

.quick-card a {
    color: #2563eb;
    font-weight: 700;
}

footer {
    text-align: center;
    padding: 30px;
    margin-top: 60px;
    background: #0f172a;
    color: white;
}