/* ===== Aspect Commun ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

html, body {
    height: 100%;
}

body {
    background-color: #0f172a;
    color: white;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

li{
    list-style: none;
    margin: 0 0 5px 0;
}

ul{
    margin: 5px 0 15px 0;
}

p{
    margin: 10px 0;
}
/* ===== HEADER ===== */
header {
    background-color: blue;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    position: relative;
    z-index: 10;
}

/* gauche */
.left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
}

header h1 {
    font-size: 1.3rem;
}

/* nav */
nav a {
    color: white;
    text-decoration: none;
    margin-left: 15px;
    font-weight: bold;
}

nav a:hover {
    color: #38bdf8;
}

/* ===== BANNER ===== */
.banner {
    position: relative;
    width: 100%;
    height: 380px;
    overflow: hidden;
    display: block;
    padding: 0 0 20px 0;
}

.banner img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.45);
}

.banner-text {
    position: absolute;
    top: 37.5%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 100%;
}

.banner-text h2 {
    font-size: 2rem;
}

/* ===== MAIN GLOBAL ===== */
main {
    flex: 1;
}

section {
    background-color: #1e293b;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    padding: 10px 20px;
    margin: 15px 50px;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 20px;
    background-color: rgb(0, 0, 121);
}

/* footer nav */
.footer-nav {
    margin-top: 10px;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    font-weight: bold;
    transition: 0.3s;
}

.footer-nav a:hover {
    color: #38bdf8;
}

/* ===== PAGE CONTACT ===== */

body.contact-page main {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* section contact */
body.contact-page .contact-section {
    max-width: 700px;
    padding: 40px 20px;
    text-align: center;
}

.contact-section h2 {
    margin-bottom: 10px;
    color: #38bdf8;
}

.contact-section p {
    margin-bottom: 20px;
    opacity: 0.8;
}

/* form */
body.contact-page .contact-form {
    width: 100%;
    max-width: 500px;

    display: flex;
    flex-direction: column;
    gap: 12px;

    background-color: #1e293b;
    padding: 25px;
    border-radius: 12px;
}

.contact-form label {
    font-weight: bold;
    text-align: left;
}

/* inputs */
.contact-form input,
.contact-form textarea {
    padding: 10px;
    border-radius: 8px;
    outline: none;
    background-color: #0f172a;
    color: white;
    border: 1px solid #334155;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #38bdf8;
}

/* bouton */
.contact-form button {
    margin-top: 10px;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: #38bdf8;
    color: black;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.contact-form button:hover {
    background-color: #0ea5e9;
}

/*Message d'éreur*/
.error {
    display: none;
    color: #f87171;
    font-size: 0.85rem;
    margin-top: -5px;
}


/* ===== MAINAUTEUR  ===== */
.mainauteur section{
    margin: 20px 300px;
    padding: 20px 50px;
}
/* ===== Lien  ===== */
.mainauteur a{
    text-decoration: none;
    color: #38bdf8;
}

/* ===== section mon parcour  ===== */
.monparcour{
    text-align: center;
}

/* ===== Liste (li) ===== */
.mainauteur ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-left: 0;
}

.mainauteur ul li {
    text-align: left;
    width: fit-content;
}

/* ===== Img AUTEUR ===== */
.auteurimg img{
    width: 350px;
    display: flex;
    justify-self: center;
    border-radius: 30px;
    margin: 30px 0;
}

/* ===== Responsive design pour tablette ===== */
@media screen and (max-width: 900px) {

    /* HEADER */
    header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    nav a {
        margin-left: 10px;
        margin-right: 10px;
    }

    /* BANNER */
    .banner {
        margin-top: 0;
        height: 300px;
    }

    .banner img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .banner-text h2 {
        font-size: 1.5rem;
    }

    /* MAIN */
    main {
        padding: 15px 20px;
    }

    /* SECTIONS */
    section {
        padding: 15px;
    }

    /* FORM CONTACT */
    body.contact-page .contact-form {
        max-width: 90%;
    }
}

/* ===== Responsive design pour mobile ===== */
@media screen and (max-width: 600px) {

    /* HEADER */
    header {
        padding: 10px;
    }

    .left {
        flex-direction: column;
    }

    header h1 {
        font-size: 1rem;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    nav a {
        margin: 0;
        font-size: 0.9rem;
    }

    /* BANNER */
    .banner {
        height: 200px;
    }

    .banner img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .banner-text h2 {
        font-size: 1.2rem;
        padding: 0 10px;
    }

    /* MAIN */
    main {
        padding: 10px 15px;
    }

    section {
        padding: 12px;
        font-size: 0.95rem;
    }

    /* CONTACT FORM */
    body.contact-page main {
        align-items: stretch;
    }

    body.contact-page .contact-form {
        width: 100%;
        padding: 15px;
    }

    .contact-form button {
        font-size: 0.9rem;
    }

    /* AUTEUR IMAGE */
    .auteurimg img {
        width: 100%;
        max-width: 300px;
    }
}