/* Réinitialisation et styles de base */
:root {
    --accent-color: #1abc9c;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: #121212;
    color: #e9ecef;
    margin: 0;
    padding: 0;
}

/* Liens globaux */
a {
    text-decoration: none;
    color: var(--accent-color);
    position: relative;
    transition: color 0.3s ease;
}

a:hover {
    color: #16a085;
}

a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

a:hover::after {
    transform: scaleX(1);
}

/* Header et Navigation */
header {
    background-color: #1e1e1e;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

header.scroll-up {
    transform: translateY(0);
}

header.scroll-down {
    transform: translateY(-100%);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
}

nav h1 {
    font-size: 24px;
    color: #e9ecef;
    transition: transform 0.3s ease;
}

nav h1:hover {
    transform: scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0 auto;
    gap: 2rem;
}

nav ul li {
    margin-left: 0;
    position: relative;
}

nav ul li a {
    color: #e9ecef;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav ul li a:hover::after {
    transform: scaleX(1);
}

#settings-icon {
    margin-left: 0;
    transition: transform 0.3s ease;
}

/* Titres globaux */
h2 {
    font-size: 36px;
    color: var(--accent-color);
    text-align: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

h2:hover {
    transform: scale(1.02);
}

h3 {
    font-size: 24px;
    color: var(--accent-color);
    margin-top: 20px;
    transition: transform 0.3s ease;
}

h3:hover {
    transform: translateX(5px);
}

/* Boutons avec animation améliorée */
.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: #121212 !important;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.8s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 600px;
    height: 300px;
}

.btn:hover {
    color: #121212 !important;
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn:active {
    transform: scale(0.95);
}

/* Sections de contenu */
section {
    width: 90%;
    max-width: 800px;
    margin: 100px auto;
    text-align: center;
}

.skill p {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.skill:hover p {
    opacity: 1;
    transform: translateX(20px);
}   

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

section p {
    font-size: 18px;
    color: #e9ecef;
    line-height: 1.6;
    margin-top: 10px;
}

/* Pied de page */
footer {
    background-color: #1e1e1e;
    text-align: center;
    padding: 20px;
    margin-top: 100px;
    color: #e9ecef;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

footer:hover {
    transform: translateY(-5px);
}

footer p {
    color: #e9ecef;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

footer:hover p {
    opacity: 0.8;
}

#scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #2d2d2d;
    color: #e9ecef;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    font-size: 20px;
    cursor: pointer;
    display: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#scroll-to-top:hover {
    background-color: #3d3d3d;
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* Sélecteur de couleur avec animations */
.color-picker {
    position: absolute;
    top: 60px;
    right: 20px;
    background-color: #2d2d2d;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    color: #e9ecef;
    transform-origin: top right;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.color-picker.hidden {
    transform: scale(0.95);
    opacity: 0;
}

.color-picker span {
    display: block;
    color: #e9ecef;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}

.color-picker label {
    display: flex;
    align-items: center;
    margin: 8px 0;
    color: #e9ecef;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 4px 0;
}

.color-picker label:hover {
    transform: translateX(5px);
}

.color-picker input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid #e9ecef;
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    cursor: pointer;
}

.color-picker input[type="radio"]:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.color-picker input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #2d2d2d;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Icône des paramètres améliorée */
#settings-icon {
    background: none;
    border: none;
    color: #e9ecef;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#settings-icon:hover {
    transform: rotate(90deg) scale(1.1);
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* Style pour les éléments utilisant la couleur d'accentuation */
a:hover, 
.project-card:hover,
h2,
h3 {
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.btn, .btn:hover {
    color: #121212 !important;
}

.strong_word {
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.strong_word:hover {
    transform: scale(1.1);
}

.project-card, .skill-item {
    border-color: #2d2d2d;
    transition: all 0.3s ease;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-selector-container {
    position: relative;
}

#language-selector {
    background-color: #2d2d2d;
    color: #e9ecef;
    border: none;
    padding: 8px 25px 8px 12px;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

#language-selector:hover {
    background-color: #3d3d3d;
    transform: scale(1.05);
}

.language-selector-container::after {
    content: '▼';
    font-size: 10px;
    color: #e9ecef;
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    transition: transform 0.3s ease;
}

.language-selector-container:hover::after {
    transform: translateY(-50%) rotate(180deg);
}