```css
/* =========================================================
   OLI TRAINING ACADEMY
   GALLERY PAGE
   Page-specific stylesheet
   Orange / Blue / Black / White
========================================================= */


/* =========================================================
   PAGE VARIABLES & RESET
========================================================= */

.gallery-page {
    --orange: #f5a000;
    --orange-dark: #d88900;
    --blue: #0757a0;
    --blue-dark: #043d73;
    --black: #111111;
    --dark: #171717;
    --white: #ffffff;
    --light: #f7f9fc;
    --soft: #eef3f8;
    --text: #333333;
    --muted: #6d7480;
    --border: #e2e7ed;

    margin: 0;
    padding: 0;

    background: var(--white);
    color: var(--text);

    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

.gallery-page *,
.gallery-page *::before,
.gallery-page *::after {
    box-sizing: border-box;
}

.gallery-page a {
    color: inherit;
    text-decoration: none;
}

.gallery-page button {
    font-family: inherit;
}

.gallery-page img {
    display: block;
    max-width: 100%;
}


/* =========================================================
   HEADER
========================================================= */

.gallery-page .header {
    width: 100%;
    min-height: 86px;

    padding: 12px 5%;

    background: var(--white);

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

    gap: 25px;

    border-bottom: 1px solid #e8e8e8;

    position: relative;
    z-index: 100;
}


/* =========================================================
   LOGO
========================================================= */

.gallery-page .logo-area {
    display: flex;
    align-items: center;
    gap: 12px;

    flex-shrink: 0;
}

.gallery-page .logo-area img {
    width: 62px;
    height: 62px;

    object-fit: contain;

    border-radius: 8px;
}

.gallery-page .logo-text {
    line-height: 1.2;
}

.gallery-page .logo-text h2 {
    margin: 0;

    color: var(--black);

    font-size: 18px;
    font-weight: 800;

    letter-spacing: 0.4px;
}

.gallery-page .logo-text p {
    margin: 5px 0 0;

    color: var(--orange-dark);

    font-size: 11px;
    font-weight: 600;
}


/* =========================================================
   NAVIGATION
========================================================= */

.gallery-page .navbar {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 25px;
}

.gallery-page .navbar a {
    position: relative;

    padding: 10px 0;

    color: #333333;

    font-size: 14px;
    font-weight: 600;

    transition: color 0.25s ease;
}

.gallery-page .navbar a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: 2px;

    width: 0;
    height: 3px;

    background: var(--orange);

    border-radius: 20px;

    transition: width 0.25s ease;
}

.gallery-page .navbar a:hover {
    color: var(--blue);
}

.gallery-page .navbar a:hover::after,
.gallery-page .navbar a.active::after {
    width: 100%;
}

.gallery-page .navbar a.active {
    color: var(--blue);
}


/* =========================================================
   HEADER ACTIONS
========================================================= */

.gallery-page .header-actions {
    display: flex;
    align-items: center;

    gap: 12px;

    flex-shrink: 0;
}

.gallery-page .search-button {
    width: 40px;
    height: 40px;

    padding: 0;

    border: 1px solid var(--border);
    border-radius: 50%;

    background: var(--white);
    color: var(--blue);

    cursor: pointer;

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

    transition: all 0.25s ease;
}

.gallery-page .search-button:hover {
    background: var(--blue);
    color: var(--white);

    border-color: var(--blue);
}

.gallery-page .apply-button {
    min-height: 42px;

    padding: 0 20px;

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

    background: var(--orange);
    color: var(--black);

    border-radius: 5px;

    font-size: 13px;
    font-weight: 800;

    transition: all 0.25s ease;
}

.gallery-page .apply-button:hover {
    background: var(--blue);
    color: var(--white);

    transform: translateY(-2px);
}


/* =========================================================
   GALLERY HERO
========================================================= */

.gallery-page .gallery-hero {
    min-height: 420px;

    position: relative;
    overflow: hidden;

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

    text-align: center;

    background:
        linear-gradient(
            135deg,
            #061f38 0%,
            #063f70 48%,
            #0757a0 100%
        );
}

.gallery-page .gallery-hero::before {
    content: "";

    position: absolute;

    top: -120px;
    right: -100px;

    width: 380px;
    height: 380px;

    border: 70px solid rgba(245, 160, 0, 0.12);

    border-radius: 50%;
}

.gallery-page .gallery-hero::after {
    content: "";

    position: absolute;

    bottom: -160px;
    left: -100px;

    width: 400px;
    height: 400px;

    border: 80px solid rgba(255, 255, 255, 0.06);

    border-radius: 50%;
}

.gallery-page .gallery-hero-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.25),
            transparent 60%
        );
}

.gallery-page .gallery-hero-content {
    width: min(900px, 90%);

    padding: 70px 20px;

    position: relative;
    z-index: 2;
}

.gallery-page .gallery-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    color: var(--orange);

    font-size: 12px;
    font-weight: 800;

    letter-spacing: 1.8px;
}

.gallery-page .gallery-kicker i {
    font-size: 15px;
}

.gallery-page .gallery-hero h1 {
    margin: 18px 0 15px;

    color: var(--white);

    font-size: clamp(42px, 5vw, 64px);
    line-height: 1.05;
    font-weight: 800;
}

.gallery-page .gallery-hero h1 strong {
    color: var(--orange);
}

.gallery-page .gallery-hero p {
    max-width: 680px;

    margin: 0 auto;

    color: rgba(255, 255, 255, 0.88);

    font-size: 16px;
}

.gallery-page .gallery-breadcrumb {
    margin-top: 25px;

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

    gap: 10px;

    color: rgba(255, 255, 255, 0.72);

    font-size: 13px;
}

.gallery-page .gallery-breadcrumb a {
    color: var(--orange);
    font-weight: 700;
}

.gallery-page .gallery-breadcrumb i {
    font-size: 9px;
}


/* =========================================================
   GALLERY INTRO
========================================================= */

.gallery-page .gallery-intro {
    padding: 75px 5% 35px;

    background: var(--white);

    text-align: center;
}

.gallery-page .gallery-intro-container {
    width: min(750px, 100%);
    margin: auto;
}

.gallery-page .gallery-intro-container > span {
    color: var(--blue);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.8px;
}

.gallery-page .gallery-intro h2 {
    margin: 10px 0;

    color: var(--black);

    font-size: clamp(31px, 4vw, 44px);
    line-height: 1.15;
}

.gallery-page .gallery-intro h2 strong {
    color: var(--orange-dark);
}

.gallery-page .gallery-intro p {
    max-width: 650px;

    margin: auto;

    color: var(--muted);

    font-size: 14px;
}


/* =========================================================
   GALLERY SECTION
========================================================= */

.gallery-page .gallery-section {
    padding: 45px 5% 90px;

    background: var(--white);
}

.gallery-page .gallery-filters {
    width: min(1100px, 100%);

    margin: 0 auto 35px;

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

    flex-wrap: wrap;

    gap: 10px;
}

.gallery-page .gallery-filter {
    padding: 10px 19px;

    border: 1px solid var(--border);
    border-radius: 30px;

    background: var(--white);
    color: #555555;

    cursor: pointer;

    font-size: 12px;
    font-weight: 700;

    transition:
        background 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}

.gallery-page .gallery-filter:hover {
    border-color: var(--blue);

    color: var(--blue);

    transform: translateY(-1px);
}

.gallery-page .gallery-filter.active {
    background: var(--blue);
    color: var(--white);

    border-color: var(--blue);
}


/* =========================================================
   GALLERY GRID
========================================================= */

.gallery-page .gallery-grid {
    width: min(1180px, 100%);

    margin: auto;

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 22px;
}


/* =========================================================
   GALLERY ITEM
========================================================= */

.gallery-page .gallery-item {
    position: relative;

    height: 310px;

    overflow: hidden;

    background: #eeeeee;

    border-radius: 10px;

    cursor: pointer;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.gallery-page .gallery-item:hover {
    transform: translateY(-5px);

    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.13);
}

.gallery-page .gallery-item > img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform 0.5s ease;
}

.gallery-page .gallery-item:hover > img {
    transform: scale(1.06);
}


/* =========================================================
   GALLERY OVERLAY
========================================================= */

.gallery-page .gallery-overlay {
    position: absolute;
    inset: 0;

    padding: 24px;

    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    gap: 15px;

    background:
        linear-gradient(
            to top,
            rgba(0, 0, 0, 0.82) 0%,
            rgba(0, 0, 0, 0.38) 40%,
            rgba(0, 0, 0, 0) 72%
        );

    opacity: 0.94;

    transition: opacity 0.3s ease;
}

.gallery-page .gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-page .gallery-overlay span {
    color: var(--orange);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: 1.5px;
}

.gallery-page .gallery-overlay h3 {
    margin: 5px 0 0;

    color: var(--white);

    font-size: 18px;
    line-height: 1.2;
}

.gallery-page .gallery-view {
    width: 43px;
    height: 43px;

    flex-shrink: 0;

    padding: 0;

    border: 0;
    border-radius: 50%;

    background: var(--orange);
    color: var(--black);

    cursor: pointer;

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

    font-size: 14px;

    transition:
        background 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease;
}

.gallery-page .gallery-view:hover {
    background: var(--blue);
    color: var(--white);

    transform: scale(1.08);
}


/* =========================================================
   GALLERY MESSAGE
========================================================= */

.gallery-page .gallery-message {
    padding: 65px 5%;

    background: var(--soft);
}

.gallery-page .gallery-message-container {
    width: min(1050px, 100%);

    margin: auto;

    padding: 35px 40px;

    display: grid;
    grid-template-columns: 70px 1fr;

    gap: 25px;

    align-items: center;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 12px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.gallery-page .gallery-message-icon {
    width: 65px;
    height: 65px;

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

    background: rgba(245, 160, 0, 0.15);
    color: var(--orange-dark);

    border-radius: 10px;

    font-size: 25px;
}

.gallery-page .gallery-message-container span {
    color: var(--blue);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: 1.6px;
}

.gallery-page .gallery-message-container h2 {
    margin: 5px 0 7px;

    color: var(--black);

    font-size: 23px;
}

.gallery-page .gallery-message-container p {
    margin: 0;

    color: var(--muted);

    font-size: 13px;
}


/* =========================================================
   CTA
========================================================= */

.gallery-page .gallery-cta {
    padding: 80px 5%;

    position: relative;
    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #111111,
            #222222
        );

    text-align: center;
}

.gallery-page .gallery-cta::before {
    content: "";

    position: absolute;

    top: -180px;
    right: -100px;

    width: 350px;
    height: 350px;

    border: 70px solid rgba(245, 160, 0, 0.08);

    border-radius: 50%;
}

.gallery-page .gallery-cta > div {
    width: min(760px, 100%);

    margin: auto;

    position: relative;
    z-index: 2;
}

.gallery-page .gallery-cta span {
    color: var(--orange);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.8px;
}

.gallery-page .gallery-cta h2 {
    margin: 10px 0;

    color: var(--white);

    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.15;
}

.gallery-page .gallery-cta p {
    margin: 0 auto 25px;

    color: rgba(255, 255, 255, 0.72);

    font-size: 14px;
}

.gallery-page .gallery-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    padding: 13px 22px;

    background: var(--orange);
    color: var(--black);

    border-radius: 5px;

    font-size: 13px;
    font-weight: 800;

    transition: all 0.25s ease;
}

.gallery-page .gallery-cta a:hover {
    background: var(--blue);
    color: var(--white);

    transform: translateY(-2px);
}


/* =========================================================
   FOOTER
========================================================= */

.gallery-page .footer {
    padding: 35px 5%;

    background: #0c0c0c;
    color: var(--white);

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

    gap: 25px;
}

.gallery-page .footer-brand {
    display: flex;
    align-items: center;

    gap: 12px;
}

.gallery-page .footer-brand img {
    width: 52px;
    height: 52px;

    object-fit: contain;

    border-radius: 6px;
}

.gallery-page .footer-brand h3 {
    margin: 0;

    font-size: 14px;
    font-weight: 800;
}

.gallery-page .footer-brand p {
    margin: 3px 0 0;

    color: var(--orange);

    font-size: 10px;
}

.gallery-page .footer-links {
    display: flex;
    align-items: center;

    gap: 12px;

    color: rgba(255, 255, 255, 0.65);

    font-size: 12px;
}

.gallery-page .footer-links a:hover {
    color: var(--orange);
}

.gallery-page .footer-links span {
    color: rgba(255, 255, 255, 0.25);
}

.gallery-page .social-icons {
    display: flex;
    gap: 8px;
}

.gallery-page .social-icons a {
    width: 34px;
    height: 34px;

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

    background: rgba(255, 255, 255, 0.08);
    color: var(--white);

    border-radius: 50%;

    font-size: 13px;

    transition: all 0.25s ease;
}

.gallery-page .social-icons a:hover {
    background: var(--orange);
    color: var(--black);
}


/* =========================================================
   COPYRIGHT
========================================================= */

.gallery-page .copyright {
    padding: 13px 5%;

    background: #070707;

    color: rgba(255, 255, 255, 0.5);

    text-align: center;

    font-size: 11px;
}


/* =========================================================
   LIGHTBOX
========================================================= */

.gallery-page .gallery-lightbox {
    position: fixed;

    inset: 0;

    z-index: 9999;

    padding: 70px 30px 30px;

    background: rgba(0, 0, 0, 0.94);

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

    opacity: 0;
    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.gallery-page .gallery-lightbox.show {
    opacity: 1;
    visibility: visible;

    pointer-events: auto;
}

.gallery-page .gallery-lightbox img {
    max-width: min(1100px, 92vw);
    max-height: 82vh;

    width: auto;
    height: auto;

    object-fit: contain;

    border-radius: 6px;

    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.5);
}

.gallery-page .lightbox-close {
    position: absolute;

    top: 25px;
    right: 30px;

    width: 46px;
    height: 46px;

    padding: 0;

    border: 0;
    border-radius: 50%;

    background: var(--orange);
    color: var(--black);

    cursor: pointer;

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

    font-size: 20px;

    transition:
        background 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease;
}

.gallery-page .lightbox-close:hover {
    background: var(--white);

    transform: rotate(90deg);
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 1050px) {

    .gallery-page .header {
        flex-wrap: wrap;

        justify-content: center;
    }

    .gallery-page .logo-area {
        margin-right: auto;
    }

    .gallery-page .header-actions {
        margin-left: auto;
    }

    .gallery-page .navbar {
        width: 100%;

        order: 3;

        padding-top: 5px;

        gap: 20px;

        overflow-x: auto;

        justify-content: center;
    }

    .gallery-page .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 700px) {

    .gallery-page .header {
        padding: 12px 20px;

        gap: 12px;
    }

    .gallery-page .logo-area img {
        width: 52px;
        height: 52px;
    }

    .gallery-page .logo-text h2 {
        font-size: 14px;
    }

    .gallery-page .logo-text p {
        font-size: 9px;
    }

    .gallery-page .header-actions {
        gap: 7px;
    }

    .gallery-page .search-button {
        width: 36px;
        height: 36px;
    }

    .gallery-page .apply-button {
        min-height: 36px;

        padding: 0 12px;

        font-size: 11px;
    }

    .gallery-page .navbar {
        justify-content: flex-start;

        gap: 18px;

        padding-bottom: 4px;
    }

    .gallery-page .navbar a {
        flex-shrink: 0;

        font-size: 12px;
    }


    /* HERO */

    .gallery-page .gallery-hero {
        min-height: 390px;
    }

    .gallery-page .gallery-hero-content {
        padding: 55px 20px;
    }

    .gallery-page .gallery-hero h1 {
        font-size: 42px;
    }

    .gallery-page .gallery-hero p {
        font-size: 14px;
    }


    /* INTRO */

    .gallery-page .gallery-intro {
        padding: 60px 20px 30px;
    }


    /* FILTERS */

    .gallery-page .gallery-section {
        padding: 35px 20px 65px;
    }

    .gallery-page .gallery-filters {
        justify-content: flex-start;

        overflow-x: auto;

        flex-wrap: nowrap;

        padding-bottom: 7px;
    }

    .gallery-page .gallery-filter {
        flex-shrink: 0;

        padding: 9px 16px;
    }


    /* GRID */

    .gallery-page .gallery-grid {
        grid-template-columns: 1fr;

        gap: 18px;
    }

    .gallery-page .gallery-item {
        height: 300px;
    }


    /* MESSAGE */

    .gallery-page .gallery-message {
        padding: 55px 20px;
    }

    .gallery-page .gallery-message-container {
        grid-template-columns: 1fr;

        padding: 30px 25px;

        text-align: center;
    }

    .gallery-page .gallery-message-icon {
        margin: auto;
    }


    /* CTA */

    .gallery-page .gallery-cta {
        padding: 65px 20px;
    }


    /* FOOTER */

    .gallery-page .footer {
        padding: 35px 20px;

        flex-direction: column;

        text-align: center;
    }

    .gallery-page .footer-brand {
        flex-direction: column;
    }

    .gallery-page .footer-links {
        flex-wrap: wrap;

        justify-content: center;
    }


    /* LIGHTBOX */

    .gallery-page .gallery-lightbox {
        padding: 65px 15px 20px;
    }

    .gallery-page .gallery-lightbox img {
        max-width: 95vw;
        max-height: 78vh;
    }

    .gallery-page .lightbox-close {
        top: 18px;
        right: 18px;

        width: 42px;
        height: 42px;
    }

}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 430px) {

    .gallery-page .logo-area {
        width: 100%;

        justify-content: center;

        margin: 0;
    }

    .gallery-page .header-actions {
        width: 100%;

        justify-content: center;

        margin: 0;
    }

    .gallery-page .navbar {
        width: 100%;
    }

    .gallery-page .gallery-hero h1 {
        font-size: 36px;
    }

    .gallery-page .gallery-hero h1 strong {
        display: block;
    }

    .gallery-page .gallery-item {
        height: 270px;
    }

    .gallery-page .gallery-overlay {
        padding: 18px;
    }

    .gallery-page .gallery-overlay h3 {
        font-size: 16px;
    }

}
```