/* Courses: index cards and landing pages. Builds on site.css and blog.css. */

/* ---------- Shared bits ---------- */

.course-status {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.2;
}

.course-status--soon { background: var(--ink); color: var(--ink-inverse); }
.course-status--open { background: var(--lime); color: var(--ink); }

.course-facts {
    display: flex;
    flex-wrap: wrap;
    font-size: var(--text-sm);
    color: var(--muted);
}

.course-facts > * + *::before { content: "·"; margin: 0 0.45rem; }

/* ---------- /courses/ ---------- */

.courses { padding-top: clamp(2rem, 5vw, 3.5rem); }

.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
    gap: clamp(1.25rem, 3vw, 2rem);
    margin: 0;
    padding: 0;
    list-style: none;
}

.course-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    background: var(--surface-2);
    transition: transform 300ms var(--ease-out);
}

.course-card__link:hover { transform: translateY(-4px); }
.course-card__link:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.course-card__art {
    display: flex;
    align-items: flex-end;
    aspect-ratio: 16 / 10;
    padding: clamp(1.25rem, 3vw, 2rem);
    overflow: hidden;
}

.course-card__art-title {
    max-width: 12ch;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 0.88;
    color: #fff;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.15);
    transition: transform 600ms var(--ease-out);
}

.course-card__link:hover .course-card__art-title { transform: translateY(-4px); }

.course-card__text {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: clamp(1.25rem, 3vw, 2rem);
}

/* The art already shows the name in big type; keep the heading for structure. */
.course-card__title { font-size: var(--text-lg); line-height: 1; }
.course-card__tagline { flex: 1; line-height: 1.5; color: var(--muted); }
.course-card__more { margin-top: 0.5rem; font-size: 0.9rem; font-weight: 600; }
.course-card__link:hover .course-card__more { color: var(--accent); }

.courses-empty {
    padding: clamp(2rem, 6vw, 3.5rem);
    border-radius: var(--radius-xl);
    background: var(--surface-2);
    text-align: center;
    color: var(--muted);
}

/* ---------- Landing page ---------- */

.course { display: flex; flex-direction: column; gap: clamp(4rem, 10vw, 7rem); padding-top: 1rem; }

.course-hero__panel {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: clamp(3rem, 8vw, 6rem);
    min-height: clamp(26rem, 60vw, 38rem);
    padding: clamp(1.5rem, 4vw, 3rem);
    overflow: hidden;
    border-radius: clamp(2rem, 4vw, 3.75rem);
    color: #fff;
}

.course-hero__back {
    align-self: flex-start;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
    backdrop-filter: blur(8px);
    transition: background 200ms ease-out;
}

.course-hero__back:hover { background: rgba(255, 255, 255, 0.32); }

.course-hero__text { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; max-width: 44rem; }

.course-hero__title {
    font-size: clamp(2.75rem, 8.5vw, 6.5rem);
    line-height: 0.85;
    overflow-wrap: anywhere;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.12);
}

.course-hero__tagline {
    max-width: 36ch;
    font-size: clamp(var(--text-base), 2vw, var(--text-md));
    line-height: 1.4;
}

.course-facts--hero { color: rgba(255, 255, 255, 0.85); }
.course-hero__actions { margin-top: 0.75rem; }

/* Pale gradients need dark text. */
.course-hero__panel.ph--mint,
.course-hero__panel.ph--sun,
.course-hero__panel.ph--mono { color: var(--ink); }
.course-hero__panel.ph--mint .course-facts--hero,
.course-hero__panel.ph--sun .course-facts--hero,
.course-hero__panel.ph--mono .course-facts--hero { color: var(--muted); }

.course-section { display: flex; flex-direction: column; gap: clamp(1.5rem, 4vw, 2.5rem); }
.course-section--narrow { max-width: 52rem; }
.course-section__title { font-size: var(--text-2xl); line-height: 0.9; }

.course-learn {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.course-learn li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    line-height: 1.45;
}

.course-learn svg {
    flex: none;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0.25rem;
    border-radius: 50%;
    background: var(--lime);
    color: var(--ink);
}

.course-curriculum { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--surface-2); }

.course-module {
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 1rem;
    padding: clamp(1.25rem, 3vw, 1.75rem) 0;
    border-bottom: 1px solid var(--surface-2);
}

.course-module__number { font-size: var(--text-2xl); line-height: 0.9; color: var(--accent); }
.course-module__title { margin-bottom: 0.6rem; font-size: var(--text-md); font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }

.course-module__lessons { margin: 0; padding: 0; list-style: none; color: var(--muted); }
.course-module__lessons li { position: relative; padding: 0.2rem 0 0.2rem 1.1rem; line-height: 1.5; }
.course-module__lessons li::before { content: ""; position: absolute; left: 0; top: 0.75em; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--lime); }

.course-about { display: flex; align-items: flex-start; gap: clamp(1rem, 3vw, 1.75rem); }

.course-about img {
    flex: none;
    width: clamp(4rem, 10vw, 6rem);
    aspect-ratio: 1;
    border-radius: 50%;
    object-fit: cover;
    object-position: 50% 35%;
}

.course-cta { min-height: clamp(18rem, 40vw, 26rem); }

@media (max-width: 767px) {
    .course-module { grid-template-columns: 3rem minmax(0, 1fr); }
    .course-module__number { font-size: var(--text-lg); }
    .course-about { flex-direction: column; }
}