/* ===== Base ===== */
body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
    color: #333;
}

h1 {
    text-align: center;
    margin-bottom: 10px;
}

h3 {
    text-align: center;
    font-size: 1.8rem;
    margin: 35px 0 20px;
}

.page {
    padding: 20px;
}

/* ===== Nav ===== */
nav.site-nav {
    background: white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

nav.site-nav .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

nav.site-nav a {
    color: #0077ff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
}

nav.site-nav a:hover {
    text-decoration: underline;
}

/* ===== Intro / body copy blocks ===== */
.intro {
    max-width: 700px;
    margin: 20px auto 25px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.intro h2 {
    font-size: 1.3rem;
    margin: 25px 0 10px;
}

/* ===== Card grid ===== */
.container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    max-width: 1280px;
    margin: 0 auto;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    width: 280px;
    box-sizing: border-box;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.card h2 {
    margin: 0 0 10px;
    font-size: 1.3rem;
}

.card p {
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.4;
    flex-grow: 1;
}

.age {
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #555;
}

.btn {
    padding: 10px 15px;
    background: #0077ff;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s ease;
    text-align: center;
    margin-top: auto;
}

.btn:hover {
    background: #005fcc;
}

.crypto .btn {
    background: #f0a900;
}

.crypto .btn:hover {
    background: #d99400;
}

.passive .btn {
    background: #28a745;
}

.passive .btn:hover {
    background: #218838;
}

/* ===== Footer ===== */
footer.site-footer {
    text-align: center;
    font-size: 0.85rem;
    color: #777;
    padding: 30px 20px 10px;
}

/* ===== Responsive layout ===== */
@media (max-width: 1199px) {
    .container {
        max-width: 980px;
    }
}
@media (max-width: 959px) {
    .container {
        max-width: 680px;
    }
}
@media (max-width: 659px) {
    .container {
        max-width: 340px;
    }
}