.courses-showcase {
    --courses-navy: #0d3b66;
    --courses-blue: #1565c0;
    --courses-orange: #f28a4b;
    min-height: 100vh;
    color: #233f59;
    background:
        radial-gradient(circle at 8% 4%, rgba(244, 162, 97, .20), transparent 25rem),
        radial-gradient(circle at 92% 25%, rgba(67, 195, 181, .15), transparent 28rem),
        linear-gradient(180deg, #edf8ff 0, #f8fbfe 370px, #fff 720px);
}

.courses-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(46px, 7vw, 82px) 22px 38px;
}

.courses-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(rgba(21, 101, 192, .038) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21, 101, 192, .038) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, #000, transparent 92%);
}

.courses-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    width: 330px;
    aspect-ratio: 1;
    top: -210px;
    left: 8%;
    border: 70px solid rgba(255,255,255,.45);
    border-radius: 50%;
}

.courses-hero-inner {
    width: min(100%, 1180px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
}

.courses-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    padding: 7px 12px;
    border: 1px solid rgba(21, 101, 192, .14);
    border-radius: 999px;
    color: var(--courses-blue);
    background: rgba(255,255,255,.72);
    box-shadow: 0 8px 22px rgba(13,59,102,.07);
    font-size: 11px;
    font-weight: 950;
}

.courses-eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--courses-orange);
    box-shadow: 0 0 0 5px rgba(244,162,97,.13);
}

.courses-hero h1 {
    max-width: 770px;
    margin: 0;
    color: var(--courses-navy);
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.35;
    font-weight: 950;
    letter-spacing: -.035em;
}

.courses-hero h1 span {
    color: var(--courses-orange);
    text-shadow: 0 9px 22px rgba(244,162,97,.14);
}

.courses-hero-copy > p {
    max-width: 720px;
    margin: 17px 0 0;
    color: #587087;
    font-size: 15px;
    line-height: 2;
}

.courses-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
    min-width: 330px;
    padding: 13px;
    border: 1px solid rgba(255,255,255,.72);
    border-radius: 24px;
    background: rgba(255,255,255,.68);
    box-shadow:
        0 22px 50px rgba(13,59,102,.11),
        inset 0 1px 0 rgba(255,255,255,.9);
}

.courses-stat {
    min-width: 92px;
    padding: 14px 10px;
    border-radius: 17px;
    text-align: center;
    background: linear-gradient(145deg, #fff, #f2f8fc);
    box-shadow: 0 7px 16px rgba(13,59,102,.07);
}

.courses-stat strong {
    display: block;
    color: var(--courses-navy);
    font-size: 21px;
    font-weight: 950;
}

.courses-stat span {
    display: block;
    margin-top: 3px;
    color: #70849a;
    font-size: 9px;
    font-weight: 850;
}

.courses-catalog {
    width: min(calc(100% - 32px), 1180px);
    margin: 0 auto;
    padding: 10px 0 76px;
}

.courses-toolbar {
    position: sticky;
    top: 12px;
    z-index: 18;
    display: grid;
    gap: 13px;
    margin-bottom: 29px;
    padding: 14px;
    border: 1px solid rgba(174,216,242,.62);
    border-radius: 22px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 16px 36px rgba(13,59,102,.10);
}

.courses-toolbar-top {
    display: grid;
    grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr);
    gap: 12px;
    align-items: center;
}

.courses-search {
    position: relative;
}

.courses-search span {
    position: absolute;
    top: 50%;
    right: 14px;
    color: #6f8498;
    transform: translateY(-50%);
    pointer-events: none;
}

.courses-search input {
    width: 100%;
    height: 46px;
    padding: 0 43px 0 14px;
    border: 1px solid #dceaf3;
    border-radius: 14px;
    outline: none;
    color: var(--courses-navy);
    background: #f8fbfd;
    font-family: inherit;
    font-size: 12px;
}

.courses-search input:focus {
    border-color: rgba(21,101,192,.42);
    background: #fff;
}

.courses-type-tabs,
.courses-category-tabs {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    scrollbar-width: none;
}

.courses-type-tabs::-webkit-scrollbar,
.courses-category-tabs::-webkit-scrollbar {
    display: none;
}

.courses-filter {
    flex: 0 0 auto;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid #dceaf3;
    border-radius: 12px;
    color: #587087;
    background: #fff;
    font-family: inherit;
    font-size: 10px;
    font-weight: 900;
    cursor: pointer;
    transition: color 140ms ease, background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.courses-filter:hover {
    border-color: rgba(21,101,192,.32);
    transform: translateY(-1px);
}

.courses-filter.is-active {
    border-color: var(--courses-blue);
    color: #fff;
    background: linear-gradient(135deg, #2277cd, #0d4d8c);
    box-shadow: 0 8px 17px rgba(21,101,192,.20);
}

.courses-results-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 4px 17px;
    color: #6b8196;
    font-size: 11px;
}

.courses-results-line strong {
    color: var(--courses-navy);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.course-card {
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #dceaf3;
    border-radius: 25px;
    background: #fff;
    cursor: pointer;
    box-shadow: 0 18px 42px rgba(13,59,102,.10);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.course-card.is-special {
    border-color: rgba(244,162,97,.64);
    box-shadow: 0 20px 46px rgba(244,162,97,.13);
}

.course-card:hover,
.course-card:focus-within {
    border-color: rgba(21,101,192,.35);
    box-shadow: 0 28px 58px rgba(13,59,102,.16);
}

.course-card[hidden] {
    display: none;
}

.course-card-media {
    position: relative;
    height: 225px;
    overflow: hidden;
    background: linear-gradient(145deg, #e8f5ff, #fff2df);
}

.course-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(180deg, transparent 45%, rgba(6,35,64,.34)),
        linear-gradient(130deg, rgba(255,255,255,.18), transparent 38%);
}

.course-card-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 480ms cubic-bezier(.2,.75,.2,1), filter 220ms ease;
}

.course-card:hover .course-card-media img {
    transform: scale(1.045);
    filter: saturate(1.05);
}

.course-badges {
    position: absolute;
    inset: 12px 12px auto;
    z-index: 3;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.course-badge {
    min-height: 28px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border-radius: 10px;
    color: #fff;
    background: rgba(13,59,102,.88);
    box-shadow: 0 8px 18px rgba(13,59,102,.18);
    font-size: 9px;
    font-weight: 950;
}

.course-badge-special {
    background: linear-gradient(135deg, #f6a457, #e87539);
}

.course-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.course-card h2 {
    min-height: 55px;
    margin: 0;
    color: var(--courses-navy);
    font-size: 17px;
    line-height: 1.7;
    font-weight: 950;
}

.course-description {
    min-height: 60px;
    display: -webkit-box;
    margin: 9px 0 0;
    overflow: hidden;
    color: #6c7f91;
    font-size: 11px;
    line-height: 1.85;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.course-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-top: 15px;
}

.course-meta span {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    border-radius: 10px;
    color: #557087;
    background: #f3f8fb;
    font-size: 9px;
    font-weight: 850;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 17px;
}

.course-price small {
    display: block;
    margin-bottom: 2px;
    color: #8a9aaa;
    font-size: 8px;
}

.course-price strong {
    color: var(--courses-orange);
    font-size: 14px;
    font-weight: 950;
}

.course-open-button {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 13px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, #2277cd, #0d4d8c);
    box-shadow: 0 10px 20px rgba(21,101,192,.18);
    font-family: inherit;
    font-size: 9px;
    font-weight: 950;
    cursor: pointer;
}

.courses-empty-filter,
.courses-empty-database {
    padding: 60px 20px;
    border: 1px dashed #bdd7e8;
    border-radius: 24px;
    color: #6c8195;
    background: rgba(255,255,255,.72);
    text-align: center;
}

.courses-empty-filter[hidden] {
    display: none;
}

.course-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    width: 100%;
    height: 100dvh;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(7, 36, 66, .56);
    overscroll-behavior: contain;
}

.course-dialog {
    position: relative;
    width: min(100%, 980px);
    height: min(78dvh, 680px);
    max-height: calc(100dvh - 36px);
    display: grid;
    grid-template-columns: minmax(300px, 44%) minmax(0, 56%);
    grid-template-areas: "media content";
    gap: 0;
    overflow: hidden;
    border-radius: 26px;
    color: #385169;
    background: #fff;
}

.course-dialog-close {
    position: absolute;
    top: 13px;
    left: 13px;
    z-index: 8;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: rgba(6,35,64,.68);
    font-family: inherit;
    font-size: 19px;
    cursor: pointer;
}

.course-dialog-media {
    grid-area: media;
    min-width: 0;
    min-height: 0;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(145deg, #e8f5ff, #fff2df);
}

.course-dialog-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    image-rendering: auto;
    transform: none;
}

.course-dialog-content {
    grid-area: content;
    min-width: 0;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 28px;
    border-right: 1px solid rgba(21, 101, 192, .10);
    direction: rtl;
}

.course-dialog-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 12px;
}

.course-dialog h2 {
    margin: 0;
    color: var(--courses-navy);
    font-size: 25px;
    line-height: 1.6;
    font-weight: 950;
}

.course-dialog-instructor {
    margin: 7px 0 0;
    color: var(--courses-blue);
    font-size: 12px;
    font-weight: 850;
}

.course-dialog-description {
    margin: 14px 0 0;
    color: #556d82;
    font-size: 12px;
    line-height: 2;
}

.course-dialog-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 19px 0;
}

.course-dialog-fact {
    padding: 12px 9px;
    border-radius: 13px;
    background: #f2f8fc;
    text-align: center;
}

.course-dialog-fact small {
    display: block;
    color: #8798a8;
    font-size: 8px;
}

.course-dialog-fact strong {
    display: block;
    margin-top: 4px;
    color: var(--courses-navy);
    font-size: 11px;
    font-weight: 950;
}

.course-dialog-submit {
    width: 100%;
    min-height: 49px;
    border: 0;
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(135deg, #2277cd, #0d4d8c);
    box-shadow: 0 14px 26px rgba(21,101,192,.22);
    font-family: inherit;
    font-size: 13px;
    font-weight: 950;
    cursor: pointer;
}

.course-dialog-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
}

.course-dialog-actions form { margin: 0; }

.course-dialog-detail {
    min-height: 49px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid rgba(21, 101, 192, .25);
    border-radius: 14px;
    color: var(--courses-blue);
    background: #f2f8fc;
    font-size: 12px;
    font-weight: 950;
    text-decoration: none;
}

@media (max-width: 960px) {
    .courses-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .courses-hero-copy > p {
        margin-right: auto;
        margin-left: auto;
    }

    .courses-stats {
        width: min(100%, 460px);
        min-width: 0;
        margin: 0 auto;
    }

    .courses-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 650px) {
    .courses-hero {
        padding: 36px 15px 28px;
    }

    .courses-hero h1 {
        font-size: clamp(31px, 10vw, 43px);
    }

    .courses-hero-copy > p {
        font-size: 13px;
    }

    .courses-stats {
        padding: 9px;
    }

    .courses-stat {
        min-width: 0;
        padding: 11px 5px;
    }

    .courses-stat strong {
        font-size: 17px;
    }

    .courses-catalog {
        width: min(calc(100% - 22px), 1180px);
        padding-bottom: 48px;
    }

    .courses-toolbar {
        position: static;
        padding: 11px;
        border-radius: 18px;
    }

    .courses-toolbar-top {
        grid-template-columns: 1fr;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .course-card {
        border-radius: 21px;
    }

    .course-card-media {
        height: 218px;
    }

    .course-dialog {
        height: min(82dvh, 650px);
        max-height: calc(100dvh - 20px);
        grid-template-columns: minmax(210px, 43%) minmax(0, 57%);
        border-radius: 22px;
    }

    .course-dialog-media {
        height: 100%;
    }

    .course-dialog-content {
        padding: 20px;
    }

    .course-dialog h2 {
        font-size: 21px;
    }

    .course-dialog-facts {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .course-modal {
        padding: 8px;
    }

    .course-dialog {
        width: 100%;
        height: min(86dvh, 650px);
        max-height: calc(100dvh - 16px);
        grid-template-columns: minmax(126px, 41%) minmax(0, 59%);
        border-radius: 19px;
    }

    .course-dialog-content {
        padding: 15px 12px;
    }

    .course-dialog-badges {
        gap: 4px;
        margin-bottom: 8px;
    }

    .course-dialog h2 {
        font-size: 17px;
        line-height: 1.65;
    }

    .course-dialog-description {
        margin-top: 10px;
        font-size: 10px;
        line-height: 1.85;
    }

    .course-dialog-facts {
        grid-template-columns: 1fr;
        gap: 6px;
        margin: 13px 0;
    }

    .course-dialog-fact {
        padding: 8px 6px;
    }

    .course-dialog-submit {
        min-height: 44px;
        padding: 6px;
        font-size: 10px;
    }

    .course-dialog-actions { grid-template-columns: 1fr; }
    .course-dialog-detail { min-height: 44px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .course-card-media img,
    .courses-filter {
        transition: none !important;
    }
}