/* ===== Plans Section ===== */
.plans {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
}
.plans-heading {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 400;
    color: #4a5568;
    text-align: center;
    margin-bottom: 3rem;
}
.plans-heading strong {
    color: #2d6a7a;
    font-weight: 800;
    font-style: italic;
}
.plans-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.plan-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 1.25rem;
    padding: 2.5rem 1.75rem;
    width: 100%;
    min-height: 420px;
    display: flex;
    flex-direction: column;
}
.plan-card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.35rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}
.plan-card-title .plan-name-starter { color: #2d6a7a; }
.plan-card-title .plan-name-pro { color: #1a2744; }
.plan-card-title .plan-name-smart { color: #1a2744; }
.plan-card-subtitle {
    font-size: 0.85rem;
    font-weight: 500;
    color: #5a6577;
    display: inline;
}

/* ===== Responsive: Plans ===== */
@media (min-width: 640px) {
    .plan-card { width: calc(50% - 0.75rem); }
}
@media (min-width: 768px) {
    .plan-card { width: calc(33.333% - 1rem); }
    .plans-heading { font-size: 2.5rem; }
}
@media (min-width: 1024px) {
    .plans { padding: 5rem 3rem 6rem; }
}