:root {
    --eq-navy: #07111f;
    --eq-blue: #1a60ab;
    --eq-cyan: #00cbef;
    --eq-text: #102033;
    --eq-muted: #64748b;
    --eq-border: rgba(148, 163, 184, 0.22);
    --eq-card: rgba(255, 255, 255, 0.9);
    --eq-shadow: 0 24px 70px rgba(15, 23, 42, 0.13);
}

.guides-page-shell {
    min-height: 100vh;
    color: var(--eq-text);
    background:
        radial-gradient(circle at top left, rgba(0, 203, 239, 0.14), transparent 32%),
        radial-gradient(circle at 88% 4%, rgba(26, 96, 171, 0.18), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #eef5fb 46%, #f8fbff 100%);
    overflow-x: hidden;
}

.eq-shell {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.eq-announcement {
    position: relative;
    z-index: 5;
    display: block;
    background: linear-gradient(90deg, #061528, #153c72 45%, #057996);
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    text-decoration: none;
}

.eq-announcement:hover {
    color: #ffffff;
    text-decoration: none;
}

.eq-announcement-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 46px;
    padding: 10px 0;
    text-align: center;
    font-size: 14px;
    font-weight: 650;
}

.eq-announcement-pill {
    flex: 0 0 auto;
    padding: 4px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #bdf6ff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    white-space: nowrap;
}

.eq-announcement-copy {
    min-width: 0;
    color: #ffffff;
}

.eq-announcement-copy span {
    color: #ffffff;
    font-weight: 850;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.42);
    text-underline-offset: 4px;
}

.eq-announcement-copy-mobile {
    display: none;
}

@media (max-width: 620px) {
    .eq-announcement-inner {
        flex-direction: row;
        min-height: 44px;
        padding: 8px 0;
        gap: 8px;
        font-size: 13px;
        white-space: nowrap;
    }

    .eq-announcement-copy-desktop {
        display: none;
    }

    .eq-announcement-copy-mobile {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

.courses-container {
    position: relative;
    max-width: 1240px;
    margin: 0 auto;
    padding: 72px 34px 92px;
}

.courses-container::before {
    content: "";
    position: absolute;
    inset: 34px 20px auto;
    height: 256px;
    border-radius: 34px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.52)),
        radial-gradient(circle at 18% 20%, rgba(0, 203, 239, 0.18), transparent 30%);
    border: 1px solid rgba(255, 255, 255, 0.76);
    box-shadow: var(--eq-shadow);
    pointer-events: none;
    z-index: 0;
}

.online-courses-text {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto 26px;
    color: #07111f;
    font-size: clamp(36px, 4.4vw, 58px);
    line-height: 1.08;
    letter-spacing: -0.055em;
    text-align: center;
    font-weight: 850;
}

.online-courses-text::before {
    content: "Guide Library";
    display: flex;
    width: fit-content;
    margin: 0 auto 14px;
    padding: 8px 13px;
    border-radius: 999px;
    background: rgba(26, 96, 171, 0.08);
    border: 1px solid rgba(26, 96, 171, 0.16);
    color: #1a60ab;
    font-size: 12px;
    line-height: 1;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.filter-form {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    max-width: 720px;
    margin: 0 auto 42px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.84);
    border-radius: 24px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
    backdrop-filter: blur(16px);
}

.filter-item {
    width: 100%;
    margin: 0;
}

.filter-item label {
    display: block;
    margin: 0 0 8px 4px;
    color: #334155;
    font-size: 13px;
    font-weight: 850;
}

.filter-item select {
    width: 100%;
    min-height: 48px;
    padding: 0 42px 0 15px;
    border: 1px solid rgba(26, 96, 171, 0.16);
    border-radius: 16px;
    background:
        linear-gradient(45deg, transparent 50%, #1a60ab 50%) calc(100% - 18px) 20px / 7px 7px no-repeat,
        linear-gradient(135deg, #ffffff, #f7fbff);
    color: #0f172a;
    font-size: 15px;
    font-weight: 750;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.filter-item select:hover,
.filter-item select:focus {
    outline: none;
    border-color: rgba(26, 96, 171, 0.42);
    box-shadow: 0 0 0 4px rgba(26, 96, 171, 0.09);
}

.course-box {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    width: 100%;
    margin: 0;
    padding: 0;
}

.course-element {
    --guide-accent: #1a60ab;
    --guide-accent-soft: rgba(26, 96, 171, 0.12);
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    border-radius: 26px;
    background: var(--eq-card);
    border: 1px solid rgba(255, 255, 255, 0.84);
    box-shadow: 0 20px 55px rgba(15, 23, 42, 0.10);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.course-element[data-firm="optiver"] {
    --guide-accent: #f5b700;
    --guide-accent-soft: rgba(245, 183, 0, 0.14);
}

.course-element[data-firm="sig"] {
    --guide-accent: #ff3e3e;
    --guide-accent-soft: rgba(255, 62, 62, 0.12);
}

.course-element[data-firm="jane-street"] {
    --guide-accent: #111827;
    --guide-accent-soft: rgba(17, 24, 39, 0.10);
}

.course-element[data-firm="citadel"] {
    --guide-accent: #1071df;
    --guide-accent-soft: rgba(16, 113, 223, 0.13);
}

.course-element[data-firm="imc"] {
    --guide-accent: #18b3eb;
    --guide-accent-soft: rgba(24, 179, 235, 0.13);
}

.course-element::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 7px;
    background: linear-gradient(90deg, var(--guide-accent), var(--eq-cyan));
    z-index: 2;
}

.course-element::after {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -76px;
    width: 190px;
    height: 190px;
    border-radius: 999px;
    background: var(--guide-accent-soft);
    pointer-events: none;
}

.course-element:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 72px rgba(15, 23, 42, 0.15);
    border-color: rgba(26, 96, 171, 0.24);
}

.course-element a {
    color: inherit;
    text-decoration: none;
}

.course-element a:first-child {
    display: block;
    position: relative;
    overflow: hidden;
}

.photo {
    display: block;
    width: 100%;
    height: 250px;
    margin: 0;
    border-radius: 0;
    object-fit: cover;
    background: #e2e8f0;
    transition: transform 0.28s ease;
}

.course-element:hover .photo {
    transform: scale(1.04);
}

.course-element > p {
    position: relative;
    z-index: 1;
    width: fit-content;
    margin: 16px 20px 0 !important;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--guide-accent-soft);
    color: #334155;
    font-size: 12px !important;
    line-height: 1.15;
    font-weight: 850;
}

.description-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
    min-height: 220px;
    padding: 16px 20px 22px;
}

.course-title {
    margin: 0 0 14px;
    padding: 0;
    color: #0f172a;
    font-size: 21px;
    line-height: 1.16;
    letter-spacing: -0.035em;
    font-weight: 850;
    transition: color 0.18s ease;
}

.course-element:hover .course-title {
    color: var(--guide-accent);
    text-decoration: none;
}

.content-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.content-points .sub-text {
    position: relative;
    padding-left: 28px;
}

.content-points .sub-text::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);

    width: 18px;
    height: 18px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 999px;
    background: #1a60ab;
    color: white;
    font-size: 12px;
    font-weight: 700;
}

.sub-text {
    color: #475569;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 650;
}

.course-element[data-firm=""] .description-container::after {
    content: "General Guide";
}

.course-element[data-firm="optiver"] .description-container::after {
    content: "Optiver";
}

.course-element[data-firm="sig"] .description-container::after {
    content: "SIG";
}

.course-element[data-firm="jane-street"] .description-container::after {
    content: "Jane Street";
}

.course-element[data-firm="citadel"] .description-container::after {
    content: "Citadel";
}

.course-element[data-firm="imc"] .description-container::after {
    content: "IMC";
}

.description-container::after {
    display: inline-flex;
    width: fit-content;
    margin-top: auto;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.04);
    color: #64748b;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

@media screen and (max-width: 1100px) {
    .course-box {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .eq-shell {
        width: min(100% - 28px, 1180px);
    }

    .eq-announcement-inner {
        flex-direction: row;
        min-height: 44px;
        padding: 8px 0;
        gap: 8px;
        font-size: 13px;
        line-height: 1.2;
        white-space: nowrap;
    }

    .eq-announcement-copy-desktop {
        display: none;
    }

    .eq-announcement-copy-mobile {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .courses-container {
        padding: 46px 16px 68px;
    }

    .courses-container::before {
        inset: 20px 10px auto;
        height: 260px;
        border-radius: 26px;
    }

    .online-courses-text {
        font-size: clamp(32px, 10vw, 44px);
        line-height: 1.1;
        letter-spacing: -0.045em;
    }

    .filter-form {
        grid-template-columns: 1fr;
        border-radius: 20px;
        margin-bottom: 28px;
    }

    .course-box {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .course-element {
        border-radius: 24px;
    }

    .photo {
        height: auto;
        max-height: 60vw;
        aspect-ratio: 16 / 9;
    }

    .description-container {
        min-height: 0;
        padding: 16px 18px 20px;
    }

    .course-title {
        font-size: 20px;
    }
}