/* ═══════════════════════════════════════════════════════════════════════════
   Course Ads - Memphis Design System
   ═══════════════════════════════════════════════════════════════════════════ */

/* Base Variables */
.course-ad {
    --ca-pink: #e8879f;
    --ca-teal: #4db8a8;
    --ca-yellow: #f5d76e;
    --ca-purple: #9b7cc4;
    --ca-coral: #e8a07a;
    --ca-pink-light: #f5b5c4;
    --ca-teal-light: #7fcfc3;
    --ca-yellow-light: #f9e5a0;
    --ca-black: #1a1a2e;
    --ca-off-white: #fffef7;
    --ca-gray: #6b6b7b;
}

/* ─── Base Container ─── */
.course-ad {
    position: relative;
    width: 100%;
    background: var(--ca-off-white);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ─── Rainbow Top Bar ─── */
.course-ad__rainbow {
    width: 100%;
    height: 5px;
    flex-shrink: 0;
    background: repeating-linear-gradient(
        90deg,
        var(--ca-pink) 0%, var(--ca-pink) 20%,
        var(--ca-teal) 20%, var(--ca-teal) 40%,
        var(--ca-yellow) 40%, var(--ca-yellow) 60%,
        var(--ca-purple) 60%, var(--ca-purple) 80%,
        var(--ca-coral) 80%, var(--ca-coral) 100%
    );
}

/* ─── Decorative Elements ─── */
.course-ad__deco {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    border: 2px solid var(--ca-black);
}

.course-ad__deco--circle {
    width: 60px;
    height: 60px;
    background: var(--ca-yellow-light);
    opacity: 0.2;
    top: -18px;
    right: -14px;
}

.course-ad__deco--dot1 {
    width: 12px;
    height: 12px;
    background: var(--ca-pink-light);
    opacity: 0.3;
    bottom: 62px;
    left: 10px;
}

.course-ad__deco--dot2 {
    width: 8px;
    height: 8px;
    background: var(--ca-teal-light);
    opacity: 0.25;
    top: 42px;
    left: 16px;
}

/* ─── Content Area ─── */
.course-ad__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.1rem 0.8rem;
    position: relative;
    z-index: 1;
    gap: 0.45rem;
    text-align: center;
}

/* ─── Headline ─── */
.course-ad__headline {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--ca-black);
    line-height: 1.25;
    margin: 0;
    margin-top: 0.15rem;
}

.course-ad__accent--teal {
    color: var(--ca-teal);
}

.course-ad__accent--pink {
    color: var(--ca-pink);
}

/* ─── Subtitle ─── */
.course-ad__subtitle {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--ca-gray);
    line-height: 1.45;
    margin: 0;
}

/* ─── Social Proof ─── */
.course-ad__proof {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.05rem;
}

.course-ad__avatars {
    display: flex;
}

.course-ad__avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--ca-off-white);
    margin-left: -6px;
    object-fit: cover;  /* For real avatar images */
}

.course-ad__avatar:first-child {
    margin-left: 0;
}

.course-ad__avatar--1 {
    background: var(--ca-teal);
}

.course-ad__avatar--2 {
    background: var(--ca-pink);
}

.course-ad__avatar--3 {
    background: var(--ca-purple);
}

.course-ad__avatar--4 {
    background: var(--ca-coral);
}

.course-ad__proof-text {
    font-size: 0.56rem;
    font-weight: 600;
    color: var(--ca-gray);
}

/* ─── CTA Button ─── */
.course-ad__cta {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0.45rem 1.15rem;
    background: var(--ca-teal);
    color: var(--ca-off-white);
    font-family: inherit;
    font-size: 0.73rem;
    font-weight: 700;
    border: 3px solid var(--ca-black);
    border-radius: 10px;
    box-shadow: 3px 3px 0 var(--ca-black);
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

/* Hover state for CTA - triggered by parent link hover */
a:hover .course-ad__cta {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--ca-black);
    background: #3da898;
}