:root {
    --bg: #f0f4f8;
    --card: #ffffff;
    --text: #1f2933;
    --muted: #52606d;
    --accent: #2a6ebb;
    --accent-dark: #1c3f60;
    --border: rgba(42, 110, 187, 0.18);
    --shadow: rgba(0, 0, 0, 0.10);
    --soft: #f7fbff;
    --gold: #f1b24a;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    text-align: center;
    padding: 32px 18px;
}

.wrapper {
    width: min(100%, 960px);
    margin: 0 auto;
}

.header-card,
.content-card {
    width: 100%;
    background-color: var(--card);
    box-shadow: 0 4px 12px var(--shadow);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

.header-card {
    padding: 36px 32px;
    border-top: 5px solid var(--gold);
}

.content-card {
    padding: 28px 30px;
    text-align: left;
}

.eyebrow {
    margin: 0 0 10px 0;
    color: var(--accent-dark);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    margin: 0 0 12px 0;
    color: var(--accent);
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.05;
}

h2 {
    margin: 0 0 16px 0;
    color: var(--accent-dark);
    font-size: 1.4rem;
}

.subtitle {
    margin: 0 0 22px 0;
    color: var(--accent-dark);
    font-size: 1.22rem;
    font-weight: 700;
}

.claim {
    margin: 0 auto 28px auto;
    padding: 18px 20px;
    max-width: 760px;
    background-color: var(--soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--accent-dark);
    font-size: 1.14rem;
    font-weight: 700;
    line-height: 1.45;
}

p {
    font-size: 1.04rem;
    line-height: 1.62;
    margin: 0 0 16px 0;
}

.intro {
    max-width: 780px;
    margin: 0 auto 24px auto;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
}

.nav a,
.button-link {
    display: inline-block;
    padding: 9px 14px;
    border-radius: 999px;
    background-color: #e8edf2;
    color: var(--accent-dark);
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
}

.nav a:hover,
.button-link:hover {
    background-color: var(--accent-dark);
    color: #ffffff;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.topic,
.principle {
    padding: 18px 16px;
    border-radius: 10px;
    background-color: var(--soft);
    border: 1px solid var(--border);
}

.topic strong,
.principle strong {
    display: block;
    color: var(--accent-dark);
    margin-bottom: 8px;
    font-size: 1.02rem;
}

.topic span,
.principle span {
    display: block;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.52;
}

.principles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

footer {
    font-size: 0.86rem;
    color: #333;
    text-align: center;
    padding: 10px 20px;
    max-width: 900px;
    line-height: 1.45;
    margin: 0 auto;
}

footer a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 600;
}

@media (max-width: 780px) {
    body {
        padding: 18px 10px;
    }

    .header-card,
    .content-card {
        padding: 24px 18px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}