:root {
    --sp-primary: #4F46E5;
    --sp-primary-dark: #3730A3;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f8f9fc;
}

.navbar-sp {
    background: linear-gradient(90deg, var(--sp-primary), var(--sp-primary-dark));
}

.hero-sp {
    background: linear-gradient(135deg, var(--sp-primary), var(--sp-primary-dark));
    color: #fff;
    padding: 90px 0 110px;
}

.hero-sp h1 {
    font-weight: 700;
}

.feature-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: transform .15s ease, box-shadow .15s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(79,70,229,0.1);
    color: var(--sp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
}

.auth-card {
    max-width: 420px;
    margin: 70px auto;
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.btn-sp {
    background-color: var(--sp-primary);
    border-color: var(--sp-primary);
    color: #fff;
}

.btn-sp:hover {
    background-color: var(--sp-primary-dark);
    border-color: var(--sp-primary-dark);
    color: #fff;
}

.event-type-card {
    border-left: 5px solid var(--sp-primary);
    border-radius: 10px;
}

.slot-btn {
    min-width: 90px;
}