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

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-card: #242424;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #ff6b35;
    --accent-hover: #ff8c5a;
    --gradient-1: #ff6b35;
    --gradient-2: #e91e63;
    --gradient-3: #9c27b0;
    --dragon-purple: #8e44ad;
    --dragon-pink: #e91e63;
    --dragon-orange: #ff6b35;
}

html {
    scroll-behavior: smooth;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(142, 68, 173, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(233, 30, 99, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
}

/* Section pleine hauteur */
.fullscreen-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
}

.header-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

/* Flèche de scroll */
.scroll-arrow {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
    z-index: 10;
}

/* Affichage conditionnel des flèches */
.scroll-arrow-home {
    display: flex;
}

.scroll-arrow-skills {
    display: flex;
}

.scroll-arrow:hover {
    transform: translateX(-50%) translateY(-5px);
}

.arrow-icon {
    width: 32px;
    height: 32px;
    fill: var(--accent);
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.scroll-arrow:hover .arrow-icon {
    fill: var(--accent-hover);
    transform: scale(1.1);
}

.scroll-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.scroll-arrow:hover .scroll-text {
    color: var(--accent);
    opacity: 1;
}

/* Header Section */
header {
    width: 100%;
    max-width: 1200px;
    animation: fadeInDown 1s ease-out;
}

/* Logo */
.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    width: 500px;
    height: 160px;
    transition: all 0.3s ease;
    background: transparent;
    
    /* Styles optimisés pour le logo SVG vectoriel */
    filter: drop-shadow(0 0 20px rgba(255, 107, 53, 0.3));
}

.logo:hover {
    transform: scale(1.05) rotate(5deg);
    filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.5));
}

/* Animation du logo au chargement */
@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.logo {
    animation: logoFloat 3s ease-in-out infinite;
}

/* Logo fixe en haut à gauche lors du scroll */
.logo-fixed {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 200px;
    height: 64px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s ease;
    padding: 8px 16px;
    cursor: pointer;
}

.logo-fixed:hover {
    transform: translateY(-2px);
}

.logo-fixed.visible {
    opacity: 1;
    transform: translateY(0);
}

.logo-fixed .logo {
    width: 100%;
    height: 100%;
    animation: none;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-5px);
    background: var(--bg-card);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.social-link svg {
    width: 24px;
    height: 24px;
    fill: var(--text-secondary);
    transition: fill 0.3s ease;
}

.social-link:hover svg {
    fill: var(--accent);
}

/* Codewars Badge Effect */
.codewars-link {
    position: relative;
    overflow: visible;
}

.codewars-badge {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.codewars-badge img {
    display: block;
    max-width: 200px;
    height: auto;
    border-radius: 8px;
}

.codewars-link:hover .codewars-badge {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* Triangle pointer for tooltip */
.codewars-badge::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--bg-card);
}

/* Skills Section */
.skills-section {
    animation: fadeInUp 1s ease-out 0.3s both;
    width: 100%;
    max-width: 1200px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
    border-radius: 2px;
}

.radar-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 3rem 0;
    position: relative;
    height: 400px;
}

#radarCanvas {
    max-width: 100%;
    height: 100%;
    cursor: pointer;
    touch-action: manipulation; /* Améliore la réactivité tactile */
    user-select: none; /* Empêche la sélection accidentelle */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Amélioration pour les appareils tactiles */
@media (hover: none) and (pointer: coarse) {
    #radarCanvas {
        /* Styles spécifiques pour les appareils tactiles */
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .instruction-text {
        /* Instructions adaptées pour mobile */
        color: var(--text-secondary);
        font-size: 0.9rem;
        margin-top: 1rem;
        text-align: center;
        font-style: italic;
    }
    
    .instruction-text::after {
        content: " (Appuyez sur un point du diagramme)";
    }
}

.instruction-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
    font-style: italic;
}

/* Technology Details */
.tech-details {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.tech-details.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.tech-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tech-badge {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--accent);
    transform: scale(1.05);
}

/* About Section */
.about-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out 0.6s both;
    width: 100%;
    max-width: 1000px;
    margin: 2rem 0;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Timeline Section */
.timeline-section {
    animation: fadeInUp 1s ease-out 0.9s both;
    width: 100%;
    max-width: 1000px;
}

.timeline-container {
    position: relative;
    margin: 4rem 0;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin: 4rem 0;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInTimeline 0.8s ease-out forwards;
}

.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.4s; }
.timeline-item:nth-child(4) { animation-delay: 0.6s; }

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    border: 4px solid var(--accent);
    border-radius: 50%;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-dot.active {
    background: var(--accent);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    animation: pulse 2s infinite;
}

.timeline-content {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 2rem;
    width: 45%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
    text-align: left;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 12px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -24px;
    border-left-color: var(--bg-card);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -24px;
    border-right-color: var(--bg-card);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
}

.timeline-year {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-title {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.timeline-role {
    font-size: 1rem;
    color: var(--gradient-2);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-clients {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    justify-content: inherit;
    margin-bottom: 1rem;
}

.timeline-item:nth-child(odd) .timeline-clients {
    justify-content: flex-end;
}

.timeline-item:nth-child(even) .timeline-clients {
    justify-content: flex-start;
}

.client-tag {
    background: rgba(255, 107, 53, 0.1);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.timeline-tags {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tech-tags {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: inherit;
}

.timeline-item:nth-child(odd) .tech-tags {
    justify-content: flex-end;
}

.timeline-item:nth-child(even) .tech-tags {
    justify-content: flex-start;
}

.tech-tag {
    background: rgba(142, 68, 173, 0.1);
    color: var(--dragon-purple);
    padding: 0.25rem 0.7rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(142, 68, 173, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(142, 68, 173, 0.2);
    border-color: var(--dragon-purple);
    transform: scale(1.05);
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin: 4rem 0;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes fadeInTimeline {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: translateX(-50%) scale(1);
        box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    }
    50% {
        transform: translateX(-50%) scale(1.1);
        box-shadow: 0 0 30px rgba(255, 107, 53, 0.8);
    }
}

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

/* Responsive Design - Tablette */
@media (max-width: 768px) {
    .fullscreen-section {
        padding: 1rem;
    }

    .radar-container {
        height: 300px;
    }

    .tech-details {
        padding: 1.5rem;
        margin: 1.5rem 0;
        border-radius: 15px;
    }

    .tech-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .tech-list {
        gap: 0.6rem;
    }

    .tech-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        border-radius: 20px;
        /* Amélioration tactile */
        min-height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

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

    .social-links {
        gap: 1rem;
    }

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

    .tech-badge {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    /* Timeline responsive - Tablette */
    .timeline-line {
        left: 2rem;
        transform: none;
    }

    .timeline-item {
        flex-direction: row !important;
        margin-left: 4rem;
    }

    .timeline-dot {
        left: -1.85rem;
        transform: translateX(-50%);
    }

    .timeline-content {
        width: calc(100% - 4rem);
        margin: 0 !important;
        text-align: left !important;
    }

    .timeline-content::before {
        left: -24px !important;
        right: auto !important;
        border-right-color: var(--bg-card) !important;
        border-left-color: transparent !important;
    }

    .timeline-clients {
        justify-content: flex-start !important;
    }

    .tech-tags {
        justify-content: flex-start !important;
    }

    .scroll-arrow {
        bottom: 1.5rem;
    }

    .arrow-icon {
        width: 28px;
        height: 28px;
    }

    .scroll-text {
        font-size: 0.75rem;
    }

    /* Logo responsive - Tablette */
    .logo {
        width: 400px;
        height: 128px;
    }

    .logo-fixed {
        width: 160px;
        height: 51px;
        top: 15px;
        left: 15px;
        padding: 6px 12px;
    }
}

/* Responsive Design - Mobile */
@media (max-width: 480px) {
    .fullscreen-section {
        padding: 1rem;
        min-height: 100vh;
    }

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

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

    .radar-container {
        height: 250px;
    }

    .tech-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .social-link {
        width: 45px;
        height: 45px;
    }

    .social-link svg {
        width: 20px;
        height: 20px;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.95rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .instruction-text {
        font-size: 0.85rem;
    }

    .about-section {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    /* Timeline responsive - Mobile */
    .timeline-container {
        margin: 2rem 0;
        padding: 1rem 0;
    }

    .timeline-line {
        left: 1rem;
        transform: none;
    }

    .timeline-dot {
        left: -0.85rem;
        width: 16px;
        height: 16px;
        transform: translateX(-50%);
    }

    .timeline-item {
        margin: 2rem 0;
        margin-left: 2rem;
    }

    .timeline-content {
        width: calc(100% - 1.5rem);
        padding: 1.5rem;
    }

    .timeline-content::before {
        border-width: 8px;
        left: -16px !important;
        top: 50%;
        transform: translateY(-50%);
    }

    .timeline-title {
        font-size: 1.2rem;
    }

    .timeline-role {
        font-size: 0.9rem;
    }

    .timeline-description {
        font-size: 0.9rem;
    }

    .client-tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
    }

    .tech-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }

    .scroll-arrow {
        bottom: 1rem;
    }

    .arrow-icon {
        width: 24px;
        height: 24px;
    }

    .scroll-text {
        font-size: 0.7rem;
    }

    /* Logo responsive - Mobile */
    .logo {
        width: 300px;
        height: 96px;
    }

    .logo-fixed {
        width: 120px;
        height: 38px;
        top: 10px;
        left: 10px;
        padding: 4px 8px;
    }

    .logo-container {
        margin-bottom: 1.5rem;
    }
}