* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --font-primary: 'Inter', sans-serif;
    --color-bg-white: #fff;
	--color-bg-middle: #f9f5f4;
	--color-bg-middle-plus: #f9f5f4;
    --color-bg-dark: #191617;
    --color-text-white: #FFF;
    --color-text-light: #fff;
    --color-text-dark: #000;
    --color-accent: #ff6600;
    --header-height: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-white);
    color: var(--color-text-white);
    overflow-x: hidden;
    font-weight: 700;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.erreur {
	background-color: #F77979;
}

/*-------------------------*/
/*-------- SECTION --------*/
/*-------------------------*/
header {
    width: 100%;
    background-color: var(--color-bg-middle);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    /*width: 100%;*/
	padding-left:100px;
	padding-right:100px;
    background-color: var(--color-bg-white);
	color: var(--color-text-dark) ;
    max-width: 1400px;
    margin: 0 auto;
    gap: 3rem;
	height: 80px ;
}

.header-container-logo {
    order: 1;
}

.header-container-logo img {
    height: 50px;
    width: auto;
}

.header-container-nav-menu {
    order: 2;
}

.header-container-nav-menu ul {
    display: flex;
    gap: 2rem;
}

.header-container-nav-link {
    font-weight: 700;
    font-size: 1rem;
    transition: color 0.3s, transform 0.3s;
    position: relative;
}

.header-container-nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: width 0.3s;
}

.header-container-nav-link:hover::after {
    width: 100%;
}

.lang-selector {
    order: 3;
}

#lang {
	width: 30px;
}

.hamburger {
    order: 4;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-white);
    transition: 0.3s;
    border-radius: 2px;
}





/*-------------------------*/
/*-------- SECTION --------*/
/*-------------------------*/
.section {
    padding: 6rem 2rem;
    text-align: center;
}
	
.section h3 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
}

.section table {
	margin: 0 30%;
	width: 40% ;
}

.contact-button {
    align-self: flex-end;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.contact-button:hover {
    transform: translateX(5px);
}


/*-------------------------------*/
/*-------- SECTION TITLE --------*/
/*-------------------------------*/
.section-title {
    /* position: relative; */
    /* height: 35vh; */
    width: 100%;
    /* display: flex; */
    justify-content: center;
    align-items: center;
    background-color: var(--color-bg-middle);
    /* margin-top: var(--header-height); */
}

.section-title-content {
    text-align: center;
    padding: 50px 10px;
    /* background-color: rgba(0, 0, 0, 0.7);
    border-radius: 15px; */
    color: var(--color-text-dark);
    animation: fadeInUp 1s ease-out;
}

.section-title-content img {
	width:50%;
	padding: 30px 0 ;
}

.section-title-content h1 {
    font-family: 'Altivo', Arial, sans-serif;
    font-size: 5rem;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--color-text-dark);
    margin: 0;
}

/*------------------------------*/
/*-------- SECTION BOOK --------*/
/*------------------------------*/
.section-book {
    width: 100%;
	background-color: var(--color-bg-middle) ;
}

.section-book-video {
    width: 80%;
    margin: 0 auto -100px;
    padding: 20px 0;
    display: block;
}


/*----------------------------------*/
/*-------- SECTION PROJECTS --------*/
/*----------------------------------*/
.section-projects {
    padding: 10rem 2rem;
    text-align: center;
    background: var(--color-bg-dark);
}

.section-projects h3 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--color-text-white);
	text-transform: uppercase;
    font-weight: 700;
	letter-spacing: -.016em;
	line-height: 1.2;
}


.section-projects-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    width: 100%;
}

.section-projects-content-item {
    flex: 1 1 calc(33.333% - 1.35rem);
    max-width: calc(33.333% - 1.35rem);
    min-height: 400px;
    background-color: var(--color-white);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition);
    position: relative;
}

.section-projects-content-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    z-index: 0;
}

.section-projects-content-item>* {
    position: relative;
    z-index: 1;
}

.section-projects-content-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
}

.section-projects-content-item-title {
    font-family: 'Altivo', Arial, sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--color-text-dark);
    margin: 0;
}

.arrow-circle {
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
    transition: var(--transition);
}

.section-projects-content-item:hover .arrow-circle {
    transform: rotate(45deg);
}

.section-projects-content-item-button {
    align-self: flex-end;
    padding: 0.75rem 1.5rem;
	margin-top: 60%;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-transform: lowercase;
	position: absolute;
	bottom: 20px ;
}

.section-projects-content-item-button:hover {
    transform: translateX(5px);
}



/*---------------------------------*/
/*-------- SECTION PROJECT --------*/
/*---------------------------------*/
.section-project {
    justify-content: center;
    align-items: center;
    background-color: var(--color-bg-middle);
	padding-left: 10%;
	padding-right: 10%;
    padding-bottom: 2%;
}

.section-project-image {
	text-align: center;
}

.section-project-image img{
	width: 100%;
	display: inline-block;
}

.section-project-video {
	width: 100%;
    display: block;
}

.section-project-description p {
	margin-left: 60%;
	color: var(--color-text-dark);
	margin-top: 20px;
	margin-bottom: 20px ;
	font-weight: normal;
}


.section-project-button {
	margin-left: 60%;
    align-self: flex-end;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-transform: lowercase;
}

.section-project-button:hover {
	transform: translateX(5px) ;
}


/*-----------------------------------*/
/*-------- SECTION PROJECT H --------*/
/*-----------------------------------*/
.section-project-h {
    justify-content: center;
    align-items: center;
    background-color: var(--color-bg-middle);
	padding-left: 10%;
	padding-right: 10%;
    padding-bottom: 2%;
	display: flex;
}

.section-project-h-column {
	width: 50%;
}

.section-project-image {
	text-align: center;
}

.section-project-image img{
	width: 100%;
	display: inline-block;
}

.section-project-video-h {
	width: 80%;
    display: block;
}

.section-project-description-h p {
	margin-left: 0%;
	color: var(--color-text-dark);
	margin-top: 20px;
	margin-bottom: 20px ;
	font-weight: normal;
}


.section-project-button-h {
	margin-left: 0%;
    align-self: flex-end;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-transform: lowercase;
}

.section-project-button-h:hover {
	transform: translateX(5px) ;
}

/*--------------------------------*/
/*-------- SECTION FOOTER --------*/
/*--------------------------------*/
footer {
    padding: 2rem;
    background-color: var(--color-bg-dark);
    border-top: 2px solid #333;
    text-align: center;
    color: var(--color-text-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content a {
    transition: color 0.3s;
    color: var(--color-text-light);
}

.footer-content a:hover {
    color: var(--color-accent);
}

.footer-content-socials {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-content-socials img {
    transition: transform 0.3s;
    filter: brightness(0) invert(1);
}

.footer-content-socials img:hover {
    transform: scale(1.2);
}

/*-------------------------*/
/*-------- COULEUR --------*/
/*-------------------------*/
.section-black {
    background: var(--color-bg-dark);
    color: var(--color-text-white);
}
	
.section-white {
    background: var(--color-bg-middle);
    color: var(--color-text-dark);
}

/*---------------------------------*/
/*------------ CONTACT ------------*/
/*---------------------------------*/
.contact-button-selected {
	align-self: flex-end;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.contact-button-unselected {
	align-self: flex-end;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-white);
    color: var(--color-text-dark);
    border: none;
    border-radius: 25px;
	border-color: var(--color-text-dark) ;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.section-contact-form {
	text-align: left;
	margin: 5% 30%;
}

.section-contact-form-group {
	width: 100%;
	text-align: left;
	margin-top: 10px;
	display: flex;
	flex-direction: column;
}

.section-contact-form-group label {
	width: 300px;
	font-size: 0.95rem;
	font-weight: 500;
	display: inline-block;
}

.section-contact-form-group textarea {
	width: 600px;
	font-size: 0.95rem;
	padding: 5px;
	border-radius: 5px ;
	border: 1px solid black;
}

.section-contact-form-group input {
	width: 600px;
	font-size: 0.95rem;
	padding: 5px;
	border-radius: 5px ;
	border: 1px solid black;
}

.section-contact-form-submit {
	margin-top: 10px;
}

.section-contact-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-contact-content-item {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 100px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}


/*
.section-contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    width: 100%;
}

.section-contact-content-item {
    flex: 1 1 calc(33.33%-2rem) ;
	background-color: var(--color-white);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 10%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition);
    position: relative;
}
*/

/*
.section-contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem;
  box-sizing: border-box;
}

.section-contact-content-item {
  flex: 1 1 calc(33.333% - 2rem);
  aspect-ratio: 1 / 1;
}
*/

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ===== Gallery Section ===== */
.gallery-section {
    background: linear-gradient(180deg, #f9fafb 0%, #e5e7eb 100%);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
}

.gallery-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    flex: 1;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-label {
    color: var(--bg-white);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr 350px;
    }
}

@media (max-width: 992px) {
    .container {
        grid-template-columns: 1fr;
    }

    .gallery-section {
        padding: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .form-section {
        padding: 2rem 1.5rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .toggle-option {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .form-section {
        padding: 1.5rem 1rem;
    }

    .header h1 {
        font-size: 1.75rem;
    }

    .toggle-option {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }

    .submit-btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .gallery-section {
        padding: 1.5rem 1rem;
    }

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

/* Responsive Design */
@media (max-width: 1024px) {
    .project-item {
        flex: 0 0 calc((100% - 1.5rem) / 2);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        padding: 2rem;
        text-align: center;
        order: 5;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        color: var(--color-text-dark);
    }

    .nav-link {
        color: var(--color-text-dark);
    }

    .nav-menu.active {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
    }

    .header-container {
        justify-content: space-between;
        gap: 1rem;
    }

    /* Mobile Order: Logo -> Lang -> Hamburger */
    .logo {
        order: 1;
    }

    .lang-selector {
        order: 2;
    }

    .hamburger {
        order: 3;
    }

    .project-item {
        flex: 0 0 100%;
    }

    .carousel-wrapper {
        gap: 1rem;
    }

    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }

    .hero-content {
        padding: 2rem 1rem;
    }

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

    .projects-section,
    .contacts-section,
    .about-section {
        padding: 4rem 1rem;
    }
}

@media (max-width: 480px) {
    #header {
        padding: 0 1rem;
    }

    .hero-content h1 {
        letter-spacing: 1px;
    }

    .btn-primary {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}