:root {
    --max-width: 1100px;
    --bg: #f7fafb;
    --card: #ffffff;
    --muted: #6b7280;
    --accent: #07152a;
    --glass: rgba(255, 255, 255, 0.65);
    --shadow: 0 8px 30px rgba(18, 38, 63, 0.08);
    --radius: 14px;
    --gap: 24px;
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    background: var(--bg);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    color: var(--accent);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.45;
}

/* Site wrapper */
.site {
    max-width: var(--max-width);
    margin: 32px auto;
    padding: 0 20px 48px;
}

/* HERO */
.hero {
    height: 220px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('/mnt/data/about.png');
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
    margin-bottom: 28px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: #084264;
    transition: background .3s ease;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 22px 24px;
    max-width: 980px;
}

.hero h1 {
    font-size: clamp(22px, 3.8vw, 36px);
    margin: 0 0 8px;
    letter-spacing: -0.01em;
    font-weight: 700;
    text-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.hero__subtitle {
    margin: 0;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(13px, 1.8vw, 16px);
    opacity: 0.95;
}

/* CARDS GRID */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    align-items: start;
}

/* Card base */
.card {
    background: linear-gradient(180deg, var(--card), var(--glass));
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform .28s cubic-bezier(.2, .9, .3, 1), box-shadow .28s ease;
    border: 1px solid rgba(12, 20, 30, 0.04);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(12, 28, 60, 0.12);
}

/* Card header */
.card__head {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.card__head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--accent);
}

.icon {
    width: 36px;
    height: 36px;
    fill: #0b2440;
    opacity: 0.95;
}

/* Card list styles */
.card__list {
    list-style: none;
    padding: 0;
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 15.5px;
}

.card__list li {
    margin: 10px 0;
    padding-left: 26px;
    position: relative;
}

/* custom bullet */
.card__list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    color: #0b9d8f;
    font-size: 14px;
    line-height: 1;
}

/* intro paragraph */
.card__intro {
    margin: 6px 0 14px;
    color: var(--muted);
    font-weight: 500;
}

/* two-column lists inside card */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 28px;
}

.two-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--muted);
    font-size: 15.5px;
}

.two-col li {
    margin: 10px 0;
    padding-left: 22px;
    position: relative;
}

.two-col li::before {
    content: "\2022";
    position: absolute;
    left: 0;
    top: 0;
    color: #0b2440;
    font-size: 20px;
    line-height: 1;
    opacity: 0.55;
}

/* Footer */
.foot {
    margin-top: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

/* Responsive adjustments */
@media (max-width:1100px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:720px) {
    .site {
        margin: 18px auto;
    }

    .hero {
        height: 180px;
        border-radius: 12px;
    }

    .cards {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .card {
        padding: 16px;
        border-radius: 12px;
    }

    .two-col {
        grid-template-columns: 1fr;
    }
}