.vertical {
    display: flex;
    flex-direction: column;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    background-color: white;
    font-family: Arial, sans-serif;
    color: #0073b6;
    padding: 20px;
}

.front-page {
    height: 100vh;
}

.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin-bottom: 20px;
    flex-wrap: wrap; 
}

.logo-container {
    width: 8vw; 
    max-width: 120px; 
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    /* margin-right: 3vw; */
    margin-bottom: 20px;
}

.letter-u {
    position: absolute;
    font-family: Verdana, sans-serif;
    font-size: 4vw; 
    font-weight: bold;
    color: #0073b6;
    transform-origin: center center;
    opacity: 0;
}

.text-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    flex: 1; 
}

.title {
    font-size: 2vw; 
    font-weight: bold;
    margin: 0;
    opacity: 0;
}

.subtitle {
    font-size: 1.5vw; 
    margin: 0;
    opacity: 0;
}

.slogan {
    font-size: 1.3vw; 
    margin-top: 0;
    opacity: 0;
    display: flex;
    justify-content: center;
}

#part-resume {
  width: 80vw;
}

.list-title {
  font-size: 1rem;
  border-top: 1px solid #0a5c5a;
  padding-top: 1rem;
}

/* Lien pages */

.pages {
    position: fixed;
    bottom: 30px;
    right: 80px;
}

@media (max-width: 600px) {
    .container {
        flex-direction: column;
        align-items: center;
    }
    .logo-container {
        width: 20vw; 
        max-width: 80px; 
        margin-bottom: 20px;
    }
    .title {
        font-size: 10vw;
        text-align: center; 
    }
    .subtitle {
        font-size: 3.8vw;
        text-align: center;
    }
    .slogan {
        font-size: 3.5vw;
        text-align: center;
    }
    .pages {
        bottom: 20px;
        left: 10px;
    }
}

@keyframes rotate1 {
    0% { transform: translate(-50%, -50%) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translate(-50%, -80%) rotate(360deg); opacity: 1; }
}

@keyframes rotate2 {
    0% { transform: translate(-50%, -50%) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translate(-100%, -20%) rotate(600deg); opacity: 1; }
}

@keyframes rotate3 {
    0% { transform: translate(-50%, -50%) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translate(0%, -20%) rotate(480deg); opacity: 1; }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.center {
    display: flex;
    align-items: center;
    justify-content: center;
}

button, input[type=submit] {
    cursor: pointer;
}

/* Sélection langue */

.language {
    position: absolute;
    top: 15px;
    right: 40px;
}

/* Barre de recherche */

.search-container {
    display: flex;
    max-width: 800px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.search-input-container {
    display: flex;
    align-items: center;
    width: 70%;
    background-color: #ffffff;
    border: 1px solid #dfe1e5;
    border-radius: 24px;
    padding: 10px 20px;
    box-shadow: 0px 1px 6px rgba(32, 33, 36, 0.28);
}

.search-icon {
    margin-right: 10px;
    color: #9aa0a6;
    font-size: 18px;
    width: 24px;
}

.search-box {
    flex-grow: 1;
    border: none;
    background-color: transparent;
    outline: none;
    font-size: 16px;
    transition: opacity 0.8s ease; /* Transition fondu */
    opacity: 1;
}

.search-box.fade-out {
    opacity: 0;
}

.search-button {
    background-color: #f8f9fa;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 14px;
    color: #3c4043;
    cursor: pointer;
    margin-left: 10px;
}

.search-button:hover {
    background-color: #e8e8e8;
}

.title-presentation {
  font-size: 1.5rem;
}

/*****************/
/* Page A propos */
/*****************/

.highlight {
    color: #4dbdff;
}

.back {
    position: fixed;
    top: 100px;
    left: 100px;
    z-index: 1;
}

.about-page {
    width: 70%;
    margin: auto;
}

.title-about {
    text-align: center;
    font-size: 4vw;
    margin-bottom: 4vw;
}

.choice {
    display: grid;
    grid-template-columns: repeat(3, 33%);
    width: 100%;
}

.choice-button {
    display: flex;
    margin: auto;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: #0073b6;
    background-color: transparent;
    cursor: pointer;
    border: 1px solid #9fdcff;
    border-radius: 1em;
    padding: 1.4vw;
    margin: 1vw;
    font-size: 2vw;
    opacity: 0;
}

#user > img {
    width: 150px;
}

#contributor > img, #investor > img {
    width: 180px;
}

.part.active, #response-frame.active {
    display: flex;
}

.part {
    opacity: 0;
    display: none;
    flex-direction: column;
    align-items: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 50%);
    grid-gap: 4vw;
    justify-content: center;
}

.paragraph-category {
    display: flex;
    align-items: center;
    border: 1px solid #4dbdff;
    border-radius: 2em;
    padding: 2.5vw;
    font-size: 1.5vw;
    text-align: center;
}

h2 {
    text-align: center;
    font-size: 2.5vw;
}

@media (max-width: 600px) {
    h2 {
        font-size: 5vw;
    }
    .about-page {
        width: 85%;
        margin: auto;
    }
    .title-about {
        margin-bottom: 10vw;
        font-size: 7vw;
    }
    .choice-button {
        font-size: 3vw;
        padding: 2.5vw;
        border-radius: 1.5em;
        border-width: 1.8px;
        font-weight: bold;
    }
    .paragraph-category {
        font-size: 3.5vw;
        padding: 4vw;
    }
    #user > img {
        width: 70px;
    }
    #contributor > img, #investor > img {
        width: 100px;
    }
    #form {
        width: 60vw;
    }
    .back {
        left: 10px;
    }
    .language {
        right: 10px;
    }
}

@media (max-width: 920px) and (min-width: 750px) {
    #user > img {
        width: 120px;
    }
    #contributor > img, #investor > img {
        width: 150px;
    }
}

@media (max-width: 750px) and (min-width: 600px) {
    #user > img {
        width: 80px;
    }
    #contributor > img, #investor > img {
        width: 110px;
    }
}

/********************/
/* Choix formulaire */
/********************/

.contact-div {
    display: flex;
    flex-direction: column;
    border-radius: 0.75em;
    width: 400px;
    opacity: 0;
    visibility: collapse;
    transition: 1s all ease-in;
}

.contact-div.active {
    border: 1px solid rgb(77, 189, 255);
}

.contact-div:not(.contact-div.active) > .active {
    opacity: 0;
    visibility: collapse;
}

.contact-div.active > .choice-form {
    opacity: 100;
    visibility: visible;
}

.choice-form {
    display: grid;
    grid-template-columns: 50% 50%;
    opacity: 0;
    visibility: collapse;
}

.choice-form > button {
    border: 1px solid rgb(77, 189, 255);
    border-top: none;
    padding: 0.75em;
    background-color: transparent;
    color: gray;
}

.choice-form > button.actual {
    border-bottom: none;
    color: rgb(77, 189, 255);;
}

.choice-form > button:first-child {
    border-left: none;
    border-top-left-radius: 0.75em;
}

.choice-form > button:last-child {
    border-right: none;
    border-top-right-radius: 0.75em;
}

/***********************/
/* Partie investisseur */
/***********************/

#part-investor { align-items: unset; }

#part-investor > p { line-height: 1.6; }

.title-investor { color: #0a5c5a; }

h2.title-investor { font-size: 2rem; text-align: left; }

.section { margin-bottom: 2rem; }

.highlight-box { background: #e6f4f1; padding: 1rem; border-left: 5px solid #0a5c5a; border-radius: 5px; margin-top: 1rem; }

.language-selector { position: absolute; top: 1rem; right: 2rem; }

.form-section form {
  background-color: #f3f9f9;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  max-width: 500px;
}

.form-section label {
  font-weight: bold;
  margin-top: 1rem;
  display: block;
}
.form-section input {
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 0.5rem;
  margin-top: 0.3rem;
  width: 100%;
}

.form-section button {
  background-color: #0a5c5a;
  color: white;
  border: none;
  padding: 0.7rem 1.2rem;
  margin-top: 1rem;
  border-radius: 6px;
  cursor: pointer;
}

/*******************/
/* Formulaire mail */
/*******************/

.contact {
    border-radius: 1em;
    padding: 1em 2em;
    margin: 2em;
    border: 1px solid rgb(77, 189, 255);
    color: rgb(77, 189, 255);
    background-color: transparent;
}

.form-mail {
    display: grid;
    grid-template-areas: 
        "firstname lastname"
        "mail mail"
        "msg msg"
        "submit submit";
    grid-template-columns: 50% 50%;
    grid-gap: 2em;
    padding: 3em;
    border-radius: 0.75em;
    transition: 0.7s opacity ease-out;
    justify-content: center;
    opacity: 0;
    visibility: collapse;
}

.calendly-inline-widget {
    opacity: 0;
    height: 0 !important;
    transition: 1s opacity ease-in;
}

.calendly-inline-widget.active {
    height: auto !important;
}

.calendly-inline-widget.active > iframe {
    height: 780px;
}

.calendly-inline-widget > iframe {
    border-radius: 0.75em;
    height: 0;
}

#form.active, .form-mail.active, .calendly-inline-widget.active {
    opacity: 100;
    visibility: visible;
}

textarea {
    resize: none;
    font-family: Arial, sans-serif;
    font-size: 0.85em;
}

input:not(#placeholder), textarea {
    padding: 0.75em;
    margin: 0.75em 0;
    border: 1px solid rgb(77, 189, 255);
    border-radius: 0.75em;
    color: #0073b6;
}

#response {
    opacity: 0;
}

#response.success, #response.error {
    padding: 1em;
    border-radius: 0.75em;
    transition: 1s opacity ease-in;
    opacity: 100;
}

.success {
    border: 1px solid green;
}

.error {
    border: 1px solid red;
}