/* ==========================================================================
   Course details page (v3 design system).
   Rides on home.css tokens + shared chrome (navbar/footer, .mm-h2 brackets,
   .mm-btn-*, .mm-carousel-dots, .mm-reveal). Page-scoped classes: .crs-*
   ========================================================================== */

/* ---- hero ---------------------------------------------------------------- */
.crs-hero { position: relative; padding-block: clamp(30px, 4vw, 58px) clamp(26px, 3.5vw, 48px); }
.crs-hero-grid {
    display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(26px, 4vw, 70px); align-items: center;
}

.crs-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.crs-chip {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12.5px; font-weight: 800;
    padding: 6px 14px; border-radius: 999px;
}
.crs-chip-cat { background: var(--mm-soft); color: var(--mm-orange-deep); }
.crs-chip-level { background: rgba(31, 168, 201, .12); color: var(--mm-teal-deep); }
.crs-chip-loc { background: #fff; color: var(--mm-muted); border: 1.4px solid var(--mm-line); }

.crs-title {
    font-size: clamp(28px, 3.6vw, 46px);
    font-weight: 900; line-height: 1.3; letter-spacing: -.4px;
    color: var(--mm-ink);
    margin-bottom: 16px;
}

.crs-meta { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-bottom: 22px; }
.crs-meta-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--mm-body-text); }
.crs-meta-item svg { color: var(--mm-orange); flex: none; }

.crs-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
.crs-price { font-size: clamp(26px, 2.6vw, 34px); font-weight: 900; color: var(--mm-orange-deep); }
.crs-price-old { font-size: 16px; font-weight: 700; color: var(--mm-muted); text-decoration: line-through; }

.crs-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.crs-ctas .mm-btn-primary svg { transition: transform .2s ease; }
.crs-ctas .mm-btn-primary:hover svg { transform: translateX(3px); }
[dir="rtl"] .crs-ctas .mm-btn-primary svg { transform: scaleX(-1); }
[dir="rtl"] .crs-ctas .mm-btn-primary:hover svg { transform: scaleX(-1) translateX(3px); }
.crs-udemy-mark { font-weight: 900; color: #A435F0; font-size: 13px; }

/* hero media: course art is a portrait poster; the frame hugs it edge-to-edge
   (no white letterbox bars, no cropping) and the block sits flush against the
   container's outer edge, lining up with the description card below */
/* definite width (not max-width): with an auto inline margin the block would
   otherwise shrink-wrap the img — and the responsive-images bootstrap starts
   on a 32px placeholder, so the measured width locks the tiny variant in */
.crs-media { position: relative; width: min(100%, 460px); margin-inline-start: auto; margin-inline-end: 0; }
.crs-media-frame {
    position: relative; z-index: 1; border-radius: 26px; overflow: hidden;
    box-shadow: var(--mm-card-shadow);
    background: #fff;
}
.crs-media-frame img, .crs-media-frame video {
    display: block; width: 100%; height: auto;
}
.crs-ring {
    position: absolute; inset-inline-end: -34px; top: -34px; z-index: 0;
    width: 110px; height: 110px; border-radius: 50%;
    border: 14px solid rgba(255, 107, 61, .16);
}
.crs-dots {
    position: absolute; inset-inline-start: -26px; bottom: -22px; z-index: 0;
    width: 96px; height: 68px;
    background-image: radial-gradient(rgba(31, 168, 201, .35) 2.2px, transparent 2.6px);
    background-size: 17px 17px;
}

/* ---- section heading scale (page-local, reuses .mm-h2 brackets) ---------- */
.crs-sec-head { margin-bottom: clamp(20px, 2.6vw, 34px); }
.crs-sec-head .mm-h2 { font-size: clamp(23px, 2.6vw, 34px); }

/* ---- description ---------------------------------------------------------- */
.crs-desc { padding-block: clamp(26px, 3.5vw, 52px); }
.crs-desc-card {
    background: #fff; border: 1px solid var(--mm-line); border-radius: 24px;
    padding: clamp(22px, 3vw, 42px);
    box-shadow: var(--mm-card-shadow);
}
.crs-prose { max-width: 78ch; font-size: 15.5px; line-height: 2.05; color: var(--mm-body-text); }
.crs-prose p { margin: 0 0 8px; }
.crs-prose img { border-radius: 12px; }

.crs-prereq { margin-top: 22px; padding-top: 20px; border-top: 1.5px dashed var(--mm-line); }
.crs-prereq-label { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 800; color: var(--mm-ink); margin-bottom: 10px; }
.crs-prereq-label svg { color: var(--mm-teal); flex: none; }
.crs-prereq-links { display: flex; flex-wrap: wrap; gap: 8px; }
.crs-prereq-pill {
    display: inline-flex; align-items: center; gap: 7px;
    background: #FAF3EC; border: 1.4px solid var(--mm-line);
    font-size: 13px; font-weight: 700; color: var(--mm-ink);
    padding: 7px 15px; border-radius: 999px;
    transition: border-color .2s ease, color .2s ease;
}
.crs-prereq-pill:hover { border-color: var(--mm-orange); color: var(--mm-orange-deep); }
.crs-prereq-pill svg { color: var(--mm-orange); flex: none; }
[dir="rtl"] .crs-prereq-pill svg { transform: scaleX(-1); }

/* ---- curriculum journey (vertical twin of the homepage tracks rail) ------ */
.crs-curr { padding-block: clamp(10px, 2vw, 30px) clamp(30px, 4vw, 56px); }
.crs-steps { position: relative; max-width: 860px; }
.crs-steps::before {
    content: ''; position: absolute;
    inset-inline-start: 21px; top: 26px; bottom: 30px;
    border-inline-start: 2.5px dashed #EFA984;
}
.crs-step {
    position: relative; display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px; padding-block: 9px;
}
.crs-step-dot {
    position: relative; z-index: 1;
    width: 44px; height: 44px; border-radius: 50%;
    background: #fff; border: 2.5px solid var(--mm-orange);
    display: grid; place-items: center;
    font-weight: 900; font-size: 15px; color: var(--mm-orange-deep);
    box-shadow: 0 6px 14px rgba(244, 90, 42, .14);
    align-self: start; margin-top: 3px;
}
.crs-step-body {
    background: #fff; border: 1px solid var(--mm-line); border-radius: 16px;
    padding: 14px 20px;
    transition: box-shadow .25s ease, border-color .25s ease;
}
.crs-step:hover .crs-step-body { border-color: #F3D9C8; box-shadow: var(--mm-card-shadow); }
.crs-step-title { font-size: 12.5px; font-weight: 800; color: var(--mm-orange-deep); margin-bottom: 3px; }
.crs-step-text { font-size: 14.5px; line-height: 1.9; color: var(--mm-body-text); font-weight: 600; }
.crs-step-text p { margin: 0; }

.crs-finish {
    position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px; align-items: center; padding-block: 12px 0;
}
.crs-finish-medal { position: relative; z-index: 1; width: 44px; display: grid; place-items: center; }
.crs-finish-medal svg { width: 38px; height: 46px; filter: drop-shadow(0 6px 12px rgba(224, 160, 21, .35)); }
.crs-finish-label { font-weight: 900; font-size: 16px; color: var(--mm-ink); }
.crs-finish-label small { display: block; font-size: 12.5px; font-weight: 700; color: var(--mm-muted); margin-top: 1px; }

/* ---- more tracks: postcards deck ------------------------------------------ */
.crs-more { position: relative; padding-block: clamp(20px, 3vw, 44px) clamp(44px, 5vw, 72px); }
.crs-more .mm-container-md { position: relative; }
.crs-more-dotsbg {
    position: absolute; inset-inline-end: clamp(10px, 3vw, 60px); top: -6px;
    width: 120px; height: 80px; pointer-events: none;
    background-image: radial-gradient(rgba(255, 107, 61, .28) 2.2px, transparent 2.6px);
    background-size: 17px 17px;
}
/* rides the shared [data-scroller] paint-room box (padding 40/12 cancelled by
   negative margins): shadows and hover lift have room, layout spacing intact */
.crs-more-track {
    display: flex; align-items: stretch; gap: clamp(18px, 2vw, 30px);
    overflow-x: auto; overflow-y: hidden;
    scroll-snap-type: x proximity; scrollbar-width: none;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 var(--mm-fade-l, 0px), #000 calc(100% - var(--mm-fade-r, 0px)), transparent);
    mask-image: linear-gradient(to right, transparent, #000 var(--mm-fade-l, 0px), #000 calc(100% - var(--mm-fade-r, 0px)), transparent);
}
.crs-more-track::-webkit-scrollbar { display: none; }
.crs-more-card {
    scroll-snap-align: start;
    width: clamp(248px, 22vw, 306px); flex: none;
    background: #fff; border-radius: 22px;
    border: 1px solid var(--mm-line);
    padding: 10px 10px 16px;
    transition: transform .35s cubic-bezier(.16, 1, .3, 1), box-shadow .35s ease;
    display: block;
}
.crs-more-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 38px rgba(184, 142, 108, .18);
}
.crs-more-art { display: block; position: relative; border-radius: 15px; overflow: hidden; aspect-ratio: 16 / 11.4; background: var(--mm-soft); }
.crs-more-art img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
.crs-more-card:hover .crs-more-art img { transform: scale(1.05); }
.crs-more-lvl {
    position: absolute; top: 10px; inset-inline-start: 10px;
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 11.5px; font-weight: 900; color: #fff;
    padding: 5px 12px; border-radius: 999px;
    background: var(--crs-lvl-bg, var(--mm-teal));
    box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
    transform: rotate(-2.5deg);
}
[dir="ltr"] .crs-more-lvl { transform: rotate(2.5deg); }
.crs-more-body { display: block; padding: 13px 6px 0; }
.crs-more-name {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    font-weight: 900; font-size: 16.5px; line-height: 1.5; color: var(--mm-ink);
    min-height: calc(2 * 1.5em);
    transition: color .25s ease;
}
.crs-more-card:hover .crs-more-name { color: var(--mm-orange-deep); }
.crs-more-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.crs-more-facts { display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 800; color: var(--mm-body-text); }
.crs-more-facts span { display: inline-flex; align-items: center; gap: 5px; }
.crs-more-facts svg { color: var(--mm-orange); flex: none; }
.crs-more-go {
    width: 34px; height: 34px; border-radius: 50%; flex: none;
    display: grid; place-items: center;
    background: var(--mm-soft); color: var(--mm-orange-deep);
    transition: background .25s ease, color .25s ease, transform .25s ease;
}
[dir="rtl"] .crs-more-go svg { transform: scaleX(-1); }
.crs-more-card:hover .crs-more-go { background: var(--mm-orange); color: #fff; transform: translateX(3px); }
[dir="rtl"] .crs-more-card:hover .crs-more-go { transform: translateX(-3px); }
/* dots keep their default clamp(26px…40px) top margin: the tilted postcards
   (rotation + 12px offset + shadow) reach below the track's padding, so the
   dots must not be pulled up toward the deck */

/* ---- mobile sticky CTA ----------------------------------------------------- */
.crs-sticky {
    position: sticky; bottom: 0; z-index: 40;
    display: none;
    background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px);
    border-top: 1px solid var(--mm-line);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
}
.crs-sticky-in { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.crs-sticky .crs-price { font-size: 21px; }
.crs-sticky .crs-price-old { font-size: 13px; }
.crs-sticky .mm-btn-primary { flex: none; }

/* ---- responsive ------------------------------------------------------------- */
@media (max-width: 900px) {
    .crs-hero-grid { grid-template-columns: 1fr; gap: 26px; }
    .crs-media { order: -1; margin-inline: auto; }
    .crs-ring { inset-inline-end: -14px; top: -18px; width: 74px; height: 74px; border-width: 10px; }
    .crs-dots { inset-inline-start: -8px; bottom: -14px; }
    .crs-sticky { display: block; }
    .crs-hero .crs-ctas, .crs-hero .crs-price-row { display: none; }
    .crs-steps::before { inset-inline-start: 19px; }
    .crs-step { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
    .crs-step-dot { width: 40px; height: 40px; font-size: 14px; }
    .crs-finish { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
}