* {
    box-sizing: border-box;
    font-family: "Raleway", serif;
    text-decoration: none;
    padding: 0;
    margin: 0;
}

:root {
    --main-color: #241f2a;
    --second-color: #fefdff;
    --third-color: #7d00dd;
    --fourth-color: #5a3bf5;
}

header {
    /* position: fixed; */
    width: 100%;
    /* background: rgba(36, 31, 42, 0.8); */
    z-index: 1000;
}

body {
    font-family: "Poppins", sans-serif;
    background-color: var(--main-color);
    color: var(--second-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

nav ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav ul li a {
    color: var(--second-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
}

nav ul li {
    /* enlever les listes à puces */
    list-style: none;
}

/*Underline effect*/
nav ul li a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--third-color);
    transition: width 0.3s ease;
}

/*Underline effect*/
nav ul li a:hover {
    color: var(--third-color);
}

nav ul li a:hover::after {
    width: 70%;
}

/* card */
.card {
    background-color: var(--second-color);
    color: var(--main-color);
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.card:hover {
    transform: scale(1.03);
}

.btn-primary {
    background-color: var(--third-color);
    border: none;
}

.btn-primary:hover {
    background-color: var(--fourth-color);
}

.modal-content {
    background-color: var(--second-color);
    color: var(--main-color);
}

/* Section principale */
.hero-section {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    /* min-height: 90vh; */
    flex-direction: row;

    margin: 2rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-pic {
    width: 300px;
    height: 300px;
    border-radius: 1%;
    overflow: hidden;
    border: 5px solid var(--fourth-color);
    box-shadow: 0 10px 10px -8px rgba(0, 0, 0, 0.78);
}

.hero-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.hero-pic img:hover {
    transform: scale(1.1);
}

.logo-pic {
    width: 100px;
    height: 100px;
}

.logo-pic img {
    width: 100%;
    height: 100%;
    transition: 0.5s;
}

.logo-pic img:hover {
    transform: scale(1.1);
}

.hero-text {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
    padding: 0 2rem;
}

h1 {
    color: var(--second-color);
    font-size: 3.5rem;
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h2 {
    color: var(--fourth-color);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.btn-group {
    margin: 3rem 0;
}

.btn-group2 {
    margin: 2rem 0;
}

.btn {
    border: 2px solid var(--fourth-color);
    color: var(--second-color);
    background-color: var(--main-color);
    padding: 12px 25px;
    margin: 5px;
    border-radius: 30px;
    box-shadow: 0 10px 10px -8px rgba(0, 0, 0, 0.78);
}

.btn:hover {
    background-color: var(--fourth-color);
    transition: 0.7s;
}

.social a {
    margin: 0 10px;
    box-shadow: 0 10px 10px -8px rgba(0, 0, 0, 0.78);
    color: var(--second-color);
    font-size: 18px;
    /* transition: 0.5s; */
}

.social a:hover {
    color: var(--fourth-color);
}

footer {
    display: flex;
    justify-content: center;
    align-items: center;
    /* min-height: 6vh; */
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1rem 20px;
        display: flex;
        flex-direction: column;
        font-size: 2.5vw;
        align-items: center;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
        display: flex;
        flex-direction: column;
        padding: 0;
        margin: 0;
    }

    li {
        list-style: none;
    }

    .logo-text {
        font-size: 4vw;
    }

    .hero-section {
        flex-direction: column;
    }

    .hero-text {
        text-align: center;
        padding: 1.5rem 1rem;
    }

    .contact-section {
        padding-top: 4rem;
    }

    .portfolio-section {
        padding-top: 7rem;
    }
}

.portfolio-section {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    align-content: center;
    align-items: center;
    text-align: center;
    /* min-height: 80vh; */
    max-width: 1600px;
    flex-direction: row;

    margin: 2rem;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-section2 {
    display: flex;
    justify-content: center;
    /* flex-wrap: wrap; */
    align-content: center;
    align-items: center;
    text-align: center;
    /* min-height: 95vh; */
    /* max-width: 1600px; */
    /* flex-direction: row; */
    /* margin: 0 auto; */
}

.portfolio-pic {
    margin: 1rem;

    width: 300px;
    height: 300px;
    border-radius: 1%;
    overflow: hidden;
    border: 5px solid var(--fourth-color);
    box-shadow: 0 10px 10px -8px rgba(0, 0, 0, 0.78);
}

.portfolio-text {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    /* width: 300px;
    height: 300px; */
    margin: 1rem;
    padding: 3em;
}

.portfolio-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.portfolio-pic {
    position: relative;
}

.portfolio-pic img:hover {
    transform: scale(1.1);
    filter: brightness(0.5);
}

.portfolio-pic figcaption {
    color: var(--second-color);
    /* font-size: 1.5rem; */
    /* font-weight: 600; */
    padding-left: 5%;
    padding-right: 5%;
    padding-bottom: 2%;
    position: absolute;
    bottom: 10px;
    /* left: 50%; */
    /* transform: translateX(-50%); */
    opacity: 0;
    transition: opacity 0.5s ease;
}

.portfolio-pic figcaption h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.portfolio-pic:hover figcaption {
    opacity: 1;
}

.contact-section {
    display: flex;
    /* justify-content: center; */
    /* align-items: center; */
    text-align: center;
    /* min-height: 90vh; */
    /* flex-direction: column; */

    margin: 2rem;
    margin-left: auto;
    margin-right: auto;
}

.form {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--main-color);
    border-radius: 10px;
    box-shadow: 2px 2px 10px 2px rgba(0, 0, 0, 0.78);
}

.form-example {
    margin-bottom: 1.5rem;
}

.form-example label {
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
    color: var(--second-color);
    font-weight: 600;
}

.form-example input,
.form-example textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--main-color);
    border-radius: 5px;
    font-size: 1rem;
    color: var(--main-color);
    background-color: var(--second-color);
}

.form-example textarea {
    resize: vertical;
    height: 150px;
}

.form-example input:focus,
.form-example textarea:focus {
    outline: none;
    border-color: var(--third-color);
}

.form-btn {
    text-align: right;
}

.form-btn input[type="submit"] {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    background-color: var(--third-color);
    color: var(--second-color);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.7s ease;
}

.form-btn input[type="submit"]:hover {
    background-color: var(--fourth-color);
}

/* Accordion styles */
.accordion-button {
    background-color: var(--main-color);
    color: var(--second-color);
    border: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--third-color);
    color: var(--second-color);
}

.accordion-button:hover {
    background-color: var(--third-color);
    color: var(--second-color);
}

.accordion-body {
    /* background-color: var(--main-color);
    color: var(--second-color); */
    border: 1px solid var(--third-color);
    padding: 1rem;
    font-size: 1rem;
    line-height: 1.5;
}