/* ===========================
   RESET & VARIABLES
   =========================== */

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

:root {
    --primary: #2d3748;
    --secondary: #4a5568;
    --accent: #4fd1c5;
    --text: #1a202c;
    --text-light: #718096;
    --bg: #f7fafc;
    --card-bg: #ffffff;
}

/* ===========================
   BASE STYLES
   =========================== */

body, html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* ===========================
   NAVIGATION
   =========================== */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-cv {
    background: var(--accent);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-cv:hover {
    background: #38b2ac;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 209, 197, 0.4);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    margin-right: 20px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s;
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 4.5px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -3.5px);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -250px;
    right: -250px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.hero-image img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0); 
    }
    50% { 
        transform: translateY(-20px); 
    }
}

/* Flèche scroll down */
.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 10;
}

.scroll-down i {
    font-size: 2rem;
    color: white;
    animation: bounce 2s infinite;
    display: block;
}

.scroll-down:hover i {
    color: rgba(255, 255, 255, 0.8);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ===========================
   PROJECTS SECTION
   =========================== */

.projects {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.project-icon {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transition: transform 0.3s;
}

.project-card:nth-child(2) .project-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.project-card:nth-child(3) .project-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.project-card:hover .project-icon {
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.project-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===========================
   SCROLL TO TOP BUTTON
   =========================== */

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: #38b2ac;
    transform: translateY(-5px);
}

/* ===========================
   PAGE HEADER (pour pages internes)
   =========================== */

.page-header {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 8rem 2rem 4rem;
}

.page-header-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-header-content p {
    font-size: 1.3rem;
    opacity: 0.95;
}

/* Variante pour la page Création */
.page-header-crea {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* Variante pour la page Communication */
.page-header-com {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Variante pour la page Contact */
.page-header-contact {
    background: linear-gradient(135deg, #48c6ef 0%, #6f86d6 100%);
}

/* ===========================
   PAGE CONTENT (pages internes)
   =========================== */

.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* ===========================
   PROJECT DETAIL
   =========================== */

.project-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 6rem;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.project-detail:nth-child(1) { animation-delay: 0.1s; }
.project-detail:nth-child(2) { animation-delay: 0.2s; }
.project-detail:nth-child(3) { animation-delay: 0.3s; }
.project-detail:nth-child(4) { animation-delay: 0.4s; }
.project-detail:nth-child(5) { animation-delay: 0.5s; }

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

.project-detail.reverse {
    direction: rtl;
}

.project-detail.reverse > * {
    direction: ltr;
}

.project-detail-image {
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-detail-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s;
    cursor: pointer;
}

.project-detail-image img:hover {
    transform: scale(1.05);
}

.project-detail-content {
    padding: 1rem;
}

.project-detail-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.project-detail-content p {
    color: var(--secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.project-link:hover {
    color: #38b2ac;
    text-decoration: underline;
}

/* Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tag {
    background: var(--accent);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.tag-crea {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.tag-com {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* ===========================
   PAGE SIGNATURE
   =========================== */

.page-signature {
    text-align: center;
    padding: 3rem 2rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    background: linear-gradient(135deg, rgba(89, 0, 255, 0.1) 0%, rgba(255, 0, 234, 0.1) 100%);
    border-radius: 12px;
    margin-top: 2rem;
}

/* ===========================
   IMAGE MODAL
   =========================== */

.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding: 2rem;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.image-modal.active {
    display: flex;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    width: auto;
    height: auto;
    border-radius: 8px;
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 3rem;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 2001;
}

.modal-close:hover {
    color: var(--accent);
}

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

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.contact-card:nth-child(1) { animation-delay: 0.1s; }
.contact-card:nth-child(2) { animation-delay: 0.2s; }
.contact-card:nth-child(3) { animation-delay: 0.3s; }

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    transition: transform 0.3s;
}

.contact-card:hover .contact-icon {
    transform: scale(1.1);
}

.email-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.linkedin-icon {
    background: #0077b5;
}

.cv-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-block;
}

.contact-link:hover {
    color: #38b2ac;
    transform: translateY(-2px);
}

.contact-button {
    background: var(--accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-button:hover {
    background: #38b2ac;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 209, 197, 0.4);
}

.contact-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(168, 237, 234, 0.2) 0%, rgba(254, 214, 227, 0.2) 100%);
    padding: 3rem 2rem;
    border-radius: 16px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s 0.4s forwards;
}

.contact-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-cta p {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

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

/* Tablettes et petits écrans */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        max-width: 300px;
        background: white;
        flex-direction: column;
        justify-content: center;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s;
        padding: 2rem;
    }

    .nav-links.active {
        right: 0;
    }

    .burger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content .subtitle {
        font-size: 1.2rem;
    }

    .hero-image img {
        width: 250px;
        height: 250px;
    }

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

    .project-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .project-detail.reverse {
        direction: ltr;
    }

    .page-header-content h1 {
        font-size: 2.5rem;
    }

    .page-header-content p {
        font-size: 1.1rem;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .contact-cta h2 {
        font-size: 1.8rem;
    }

    .contact-cta p {
        font-size: 1.1rem;
    }
}

/* Mobiles */
@media (max-width: 640px) {
    .hero {
        padding: 5rem 1rem 3rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content .subtitle {
        font-size: 1rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .projects {
        padding: 4rem 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero-image img {
        width: 200px;
        height: 200px;
    }

    .project-icon {
        height: 150px;
        font-size: 4rem;
    }

    .page-header {
        padding: 6rem 1rem 3rem;
    }

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

    .page-header-content p {
        font-size: 1rem;
    }

    .page-content {
        padding: 3rem 1rem;
    }

    .project-detail-content h2 {
        font-size: 1.5rem;
    }

    .modal-close {
        top: 1rem;
        right: 1.5rem;
        font-size: 2.5rem;
    }

    .contact-content {
        padding: 3rem 1rem;
    }

    .contact-card {
        padding: 2rem 1.5rem;
    }

    .contact-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .contact-cta {
        padding: 2rem 1.5rem;
    }

    .contact-cta h2 {
        font-size: 1.5rem;
    }

    .contact-cta p {
        font-size: 1rem;
    }
}

/* Très petits écrans */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}


.project-separator {
    border: none;
    border-top: 2px solid grey;
    margin-bottom: 30px;
    opacity: 0.3;
}