:root {
    /* Couleurs principales */
    --color-primary: #8d94fd;
    --color-secondary: #f9ae4e;
    --color-text: #222;
    --color-text-light: #777;
    --color-white: #fff;
    --color-gray: #e8e8e8;

    /* Gradients */
    --gradient-primary: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);

    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typographie */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 48px;

    /* Transitions */
    --transition-fast: 0.3s ease-in-out;

    /* Ombres */
    --shadow-lg: 0px 20px 80px 0px rgba(153, 153, 153, 0.3);

    /* Border radius */
    --border-radius: 12px;
    --border-radius-sm: 5px;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 99;
    background: var(--gradient-primary);
    transition: background var(--transition-fast);
    height: 80px;
}

.header_menu {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_logo-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-size-md);
    transition: opacity var(--transition-fast);
}

.header_logo-link:hover {
    opacity: 0.9;
}

.header_nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.header_nav-link {
    color: var(--color-white);
    text-transform: uppercase;
    font-weight: 500;
    font-size: var(--font-size-xs);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.header_nav-link:hover,
.header_nav-link[aria-current="page"] {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Section Intro */
.intro {
    position: relative;
    background: var(--gradient-primary);
    padding-top: 80px;
    margin-bottom: 100px;
}

.intro__inner {
    min-height: 700px;
    border-radius: var(--border-radius);
    position: relative;
    bottom: -80px;
    background: var(--color-white);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.intro__title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Media Section */
.media {
    display: flex;
    gap: 40px;
    align-items: center;
}

.media__img {
    flex: 0 0 500px;
}

.media__img img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.media__info {
    flex: 1;
}

.media__info-header {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2.1px;
    color: var(--color-text);
    margin-bottom: 10px;
}

.media__info-name {
    font-size: 48px;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: var(--color-text);
    line-height: 1.2;
}

.media__info-text {
    max-width: 540px;
    color: var(--color-text-light);
    margin-bottom: 30px;
    font-style: italic;
}

/* Section Gallery */
.gallery {
    padding-top: 120px;
    padding-bottom: 120px;
}

.gallery__inner-header {
    text-align: center;
    max-width: 670px;
    margin: 0px auto 75px;
}

.gallery__inner-header h2 {
    font-size: 36px;
    color: var(--color-text);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.gallery__inner-header p {
    font-size: 16px;
    font-weight: normal;
    line-height: 26px;
    color: var(--color-text-light);
    margin-bottom: 0px;
}

.gallery__inner-buttons {
    margin-bottom: 50px;
}

.gallery__inner-buttons-filter {
    display: flex;
    flex-direction: row;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    list-style: none;
    padding: 0px;
}

.gallery__inner-buttons-filter li {
    margin-right: 45px;
}

.gallery__inner-buttons-filter li:last-child {
    margin-right: 0;
}

.gallery__inner-buttons-filter-item button {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    transition: all 300ms linear 0s;
    text-transform: uppercase;
    cursor: pointer;
    background: none;
    border: none;
}

.gallery__inner-buttons-filter-item button:active,
.gallery__inner-buttons-filter-item button:hover {
    color: var(--color-secondary);
}

.gallery__inner-table {
    display: flex;
    flex-direction: row;
    align-content: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.gallery__inner-table-item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    max-width: 100%;
    margin-bottom: 30px;
}

.gallery__inner-table-item-img {
    position: relative;
    margin-bottom: 20px;
}

.gallery__inner-table-item-img::before {
    content: "";
    width: 100%;
    height: 100%;
    left: 0px;
    top: 0px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: absolute;
    opacity: 0;
    transition: all 300ms ease;
}

.gallery__inner-table-item-img:hover::before {
    opacity: .7;
}

.gallery__inner-table-item-img img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.gallery__inner-table-item-text {
    text-align: center;
    display: block;
    max-width: 340px;
}

.gallery__inner-table-item-text h4 {
    color: var(--color-text);
    font-size: 21px;
    margin-top: 22px;
    transition: all 300ms linear 0s;
}

.gallery__inner-table-item:hover h4 {
    color: var(--color-secondary);
}

.gallery__inner-table-item-text p {
    line-height: 26px;
    font-size: 16px;
    font-weight: normal;
    color: var(--color-text-light);
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer_list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    list-style: none;
    flex-wrap: wrap;
}

.footer_link {
    color: var(--color-white);
    text-decoration: none;
    transition: opacity var(--transition-fast);
    font-weight: 500;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
}

.footer_link:hover {
    opacity: 0.8;
}

.footer_rights {
    color: var(--color-white);
    opacity: 0.8;
    font-size: var(--font-size-xs);
}

/* Media Queries */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .gallery__inner-table {
        justify-content: space-around;
    }

    .media {
        flex-direction: column;
        text-align: center;
    }

    .media__img {
        flex: 0 0 400px;
        margin-bottom: 30px;
    }

    .media__info-text {
        margin: 0 auto 30px;
    }
}

@media (max-width: 992px) {
    .header {
        position: relative;
        height: auto;
    }

    .intro {
        padding-top: 0;
    }

    .intro__inner {
        bottom: -40px;
        margin-bottom: 40px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .header_menu {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md) 0;
    }

    .header_nav-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .header_nav-item {
        text-align: center;
    }

    .media__info-name {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .header_menu {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md) 0;
    }

    .header_nav-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .header_nav-item {
        text-align: center;
    }

    .gallery__inner-table {
        justify-content: center;
    }

    .gallery__inner-buttons-filter {
        display: flex;
        flex-direction: row;
        justify-content: center;
        max-width: 320px;
        margin: 0 auto;
        text-align: center;
        list-style: none;
        padding: 0px;
    }

    .gallery__inner-buttons-filter li {
        margin-right: 20px;
    }

    .gallery__inner-buttons-filter li:last-child {
        margin-right: 0;
    }

    .gallery__inner-table-item {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        max-width: 100%;
    }

    .gallery__inner-table-item-img img {
        max-width: 310px;
    }

    .media__img {
        flex: 0 0 300px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .footer_list {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .footer_link {
        font-size: calc(var(--font-size-xs) * 0.9);
    }

    .footer_rights {
        font-size: calc(var(--font-size-xs) * 0.9);
    }

    .header_menu {
        max-width: 320px;
        flex-wrap: wrap;
        display: flex;
        flex-direction: column;
    }

    .header_logo {
        margin-top: 10px;
    }

    .header_nav-menu {
        display: flex;
        flex-direction: column;
        flex-wrap: wrap;
        justify-content: center;
        text-align: left;
        padding: 0;
    }

    .header_nav-menu li {
        margin: 0 0 10px 0;
    }

    .header_nav-menu li:last-child {
        margin-bottom: 0;
    }

    .header_nav-item {
        margin: 0 auto;
    }

    .header_menu {
        height: 100%;
    }

    .media__info-name {
        font-size: 28px;
    }

    .media__img {
        flex: 0 0 250px;
    }
}