:root {
    --bg-primary: #f4f5f9;
    --bg-secondary: #dddfe6;
    --text-primary: #252c41;
    --text-accent: #f1404b;
}

html {
    width: 100vw;
    max-width: 100%;
    padding: 0rem;
    margin: 0rem;
    box-sizing: border-box;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}
* {
    box-sizing: inherit;
}

body {
    font-family: "IBM Plex Sans", sans-serif;
    font-weight: 300;
    font-size: 32px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 100%;
    padding: 0;
    margin: 0;
}

header {
    min-height: 92vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    margin: 0;
    position: relative;
    scroll-snap-align: start;
}

.subtitle {
    width: 100%;
    font-size: 4em;
    font-weight: 100;
    margin: 0;
    padding-left: 1em;
}

.subtitle a {
    color: var(--text-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.subtitle a:hover {
    color: var(--text-primary);
}

section {
    min-height: 100vh;
    display: flex;
    width: 100%;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    scroll-snap-align: start;
}

section:nth-of-type(odd) {
    background-color: var(--bg-secondary);
}

section a {
    color: var(--text-accent);
    text-decoration: none;
}

.section-content {
    width: 60%;
    height: 100%;
    margin: auto;
    padding: 2em 0 2em 0;
}

nav {
    background-color: var(--bg-primary);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 10;
}

.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60%;
    margin: auto;
}

nav a {
    float: left;
    display: block;
    color: var(--text-accent);
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
    position: relative;
}

nav a:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition:
        color 0.3s ease,
        color 0.3s ease;
}

nav a.active:after {
    font-family: "boxicons";
    content: "\ed47";
    font-size: small;
    display: block;
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
}

footer {
    background-color: var(--bg-secondary);
    text-align: center;
    color: var(--text-primary);
    padding: 15px 0;
    width: 100%;
    scroll-snap-align: start;
}
.contacts {
    display: flex;
    width: 10%;
    margin: auto;
    justify-content: space-between;
    align-items: center;
    padding: 1em 0 1em 0;
}

.contacts a {
    color: var(--text-accent);
    text-decoration: none;
}

.contacts a:hover {
    color: var(--text-primary);
    transition:
        color 0.3s ease,
        color 0.3s ease;
}
.mention {
    font-weight: 200;
    font-size: small;
}

/* ===== TITRES ======= */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
}

h1 {
    font-weight: 700;
    font-size: 7em;
}

h2 {
    font-weight: 600;
    font-size: 3em;
    padding: 0.5em 0 1em 0;
    margin: 0;
}

h3 {
    font-weight: 500;
    padding: 1rem 0 0.5em 0;
}

h4 {
    font-weight: 300;
}

.main-grid-container {
    width: 80%;
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 0;
    padding: 0;
    margin: 0;
}

.main-grid-container .subtitle:only-child {
    grid-column: 1 / -1;
    padding-left: 0;
    text-align: center;
}

.illustration {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin: 0;
    padding: 3rem 3rem 3rem 0;
}

/* https://pqina.nl/blog/applying-a-circular-crop-mask-to-an-image/ */
.illustration img {
    width: 30rem;
    height: 30rem;
    object-fit: cover;
    border-radius: 50%;
}

.scroll-down {
    display: block;
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 5rem;
}

.blinking {
    animation: mymove 2s infinite alternate;
}

@keyframes mymove {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.5;
    }
}

li > strong {
    margin-right: 0.5em;
}

.split {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    padding: 0;
    margin: 0;
}

.split .section-content {
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: start;
}

.split .section-content img {
    width: 100%;
    align-self: center;
    margin: 1rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.split .section-content img:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

/* ===== CAROUSEL ===== */
.carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    margin: 1rem 0;
    align-self: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.carousel:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    flex: 0 0 100%;
}

/* Surcharge spécifique pour les images DANS le carrousel */
.carousel-slide img {
    width: 100% !important;
    display: block;
    margin: 0 !important;
    box-shadow: none !important; /* L'ombre est sur le conteneur */
    transition: transform 0.3s ease;
}

/* Zoom au survol du carrousel */
.carousel:hover .carousel-slide img {
    transform: scale(1.05);
}

/* ===== RESPONSIVE ===== */

/* Tablettes et écrans moyens */

@media screen and (max-width: 1200px) {
    body {
        font-size: 24px;
    }

    h1 {
        font-size: 5em;
    }

    h2 {
        font-size: 2.5em;
    }

    .main-grid-container {
        width: 90%;

        grid-template-columns: 1fr;

        text-align: center;
    }

    .illustration {
        justify-content: center;

        padding: 1rem;
    }

    .illustration img {
        width: 25rem;

        height: 25rem;
    }

    .subtitle {
        font-size: 3em;

        padding-left: 0;
    }

    .section-content,
    .navbar {
        width: 80%;
    }

    .split {
        grid-template-columns: 1fr 1fr;
    }

    .contacts {
        width: 30%;
    }
}

/* Smartphones */

@media screen and (max-width: 810px) {
    body {
        font-size: 18px;
    }

    h1 {
        font-size: 3em;

        text-align: center;

        word-break: break-word;
    }

    h2 {
        font-size: 2em;
    }

    .navbar {
        width: 95%;
    }

    nav a {
        padding: 10px;

        font-size: 0.9em;
    }

    .section-content {
        width: 90%;

        padding: 1em 0;
    }

    .main-grid-container {
        width: 100%;
    }

    .illustration img {
        width: 15rem;

        height: 15rem;
    }

    .subtitle {
        font-size: 2em;
    }

    .split {
        grid-template-columns: 1fr;
    }

    .contacts {
        width: 80%;
    }

    .scroll-down {
        bottom: 5rem;

        font-size: 3rem;
    }
}