* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f5f5;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    min-height: 100vh;
    color: #1a1a1a;
}

main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.container {
    max-width: 560px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

/* Logo */
.logo {
    max-width: 320px;
    width: 100%;
    height: auto;
}

/* Tagline */
.tagline {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: #1a1a1a;
    line-height: 1.3;
}

/* Social Row */
.social-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #1a1a1a;
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.social-btn.youtube {
    background: #FF0000;
}

.social-btn.youtube:hover {
    background: #CC0000;
}

.social-btn.linkedin {
    background: #0A66C2;
}

.social-btn.linkedin:hover {
    background: #004182;
}

.social-btn:hover {
    transform: translateY(-1px);
}

.social-btn svg {
    width: 18px;
    height: 18px;
}

/* Cards */
.cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: #ffffff;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card-icon, .card-icon-wrapper, .card-icon-img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.card-icon.skool {
    background: #ffffff;
    border: 1px solid #e5e5e5;
}

.skool-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'DM Sans', sans-serif;
}

.sk-s {
    color: #2563eb;
}

.sk-k {
    color: #ef4444;
}

.railforge-bg {
    background: linear-gradient(135deg, #0a1929 0%, #1a3a5c 100%);
}

.salesgen-bg {
    background: #ffffff;
    border: 1px solid #e5e5e5;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-grow: 1;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
}

.card-subtitle {
    font-size: 0.85rem;
    color: #666;
    font-weight: 400;
}

.card-cta {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
    padding: 8px 16px;
    background: #f5f5f5;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.card:hover .card-cta {
    background: #e5e5e5;
}

/* Footer */
footer {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #888;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        gap: 24px;
    }

    .logo {
        max-width: 260px;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .card {
        padding: 16px 20px;
    }

    .card-icon, .card-icon-wrapper, .card-icon-img {
        width: 42px;
        height: 42px;
    }

    .logo-img {
        width: 36px;
        height: 36px;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-subtitle {
        font-size: 0.8rem;
    }

    .card-cta {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
}