* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: #0b0f19;
    background-image: 
        radial-gradient(circle at 50% 20%, rgba(30, 41, 89, 0.5) 0%, rgba(11, 15, 25, 1) 70%);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.membership-section {
    width: 100%;
    padding: 80px 30px 120px;
}

.container {
    max-width: 1380px;
    margin: 0 auto;
}

/* Header Styling */
.title-container {
    text-align: center;
    margin-bottom: 70px;
}

.title-container h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.title-container .subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: #3b82f6;
    letter-spacing: 0.2px;
}

/* Grid Layout */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    align-items: stretch;
}

/* Base Card Styling */
.card {
    border-radius: 28px;
    padding: 40px 30px 90px;
    min-height: 520px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

/* Dark Card Theme */
.dark-card {
    background: linear-gradient(165deg, #1d2230 0%, #111522 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.45);
}

.dark-card .icon-box {
    background-color: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
}

/* Highlighted Glowing Card Theme */
.highlighted-card {
    background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 50%, #06b6d4 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.35);
}

.highlighted-card .highlight-icon {
    background-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* Card Header */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: #ffffff;
}

/* Card Body */
.card-body h3 {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.price {
    font-size: 2.7rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.per-year {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.75;
}

.card-details {
    margin-bottom: 22px;
}

.plan-desc {
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0.9;
    line-height: 1.4;
}

/* Features List */
.features-list {
    list-style: none;
    margin-bottom: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 16px;
}

.features-list li {
    font-size: 0.86rem;
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.92;
}

.features-list li i {
    font-size: 0.82rem;
    color: #38bdf8;
}

.highlighted-card .features-list li i {
    color: #ffffff;
}

/* Card Footer */
.card-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 16px;
}

.tags {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    opacity: 0.75;
}

/* Buttons */
.btn-glow {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.45);
    transition: all 0.3s ease;
}

.btn-glow:hover {
    transform: translateX(-50%) translateY(-3px);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.65);
}

/* Responsive Grid Adjustments */
@media (max-width: 1200px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px 30px;
    }
}

@media (max-width: 650px) {
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 65px;
    }

    .title-container h1 {
        font-size: 2.4rem;
    }
    
    .title-container .subtitle {
        font-size: 1rem;
    }

    .card {
        padding: 30px 24px 85px;
        min-height: auto;
    }
}