/* Reset et variables */
:root {
    --global-palette1: #00a1b2; /* accent */
    --global-palette2: #8dca1f;
    --global-palette3: #255e5a; /* headings */
    --global-palette8: #f7f7f7; /* page background */
    --white: #ffffff;
    --dark: #353535;
    --gray: #777777;
    --shadow: 0 15px 15px -10px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 30px -10px rgba(0,161,178,0.2);
    --border-radius: 8px;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0%, 100% { color: var(--global-palette3); }
    50% { color: var(--global-palette1); }
}

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

body {
    font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--global-palette8);
}

.container {
    width: 90%;
    max-width: 1290px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3 {
    font-family: 'Jost', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--global-palette3);
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary);
}

ul {
    list-style: none;
}

.text-center {
    text-align: center;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--global-palette1);
    color: var(--white);
    box-shadow: 0 15px 25px -7px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    background-color: var(--global-palette2);
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--global-palette1);
    border: 2px solid var(--global-palette1);
}

.btn-secondary:hover {
    background-color: var(--global-palette1);
    color: var(--white);
    transform: scale(1.05);
}

/* Header */
header {
    background: linear-gradient(135deg, var(--white) 0%, rgba(0,161,178,0.08) 100%);
    border-bottom: 3px solid var(--global-palette1);
    box-shadow: 0 4px 12px rgba(0,161,178,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    min-height: 120px;
}

.logo {
    font-family: 'Jost', system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--global-palette3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.logo:hover {
    color: var(--global-palette1);
    transform: scale(1.05);
}

.logo i {
    margin-right: 10px;
    color: var(--global-palette1);
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.logo:hover i {
    color: var(--global-palette2);
    transform: rotate(20deg) scale(1.2);
    animation: bounce 0.6s ease-out;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--dark);
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--global-palette1), var(--global-palette2));
    transition: width 0.3s ease;
    border-radius: 2px;
}

nav ul li a:hover {
    color: var(--global-palette1);
}

nav ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--white) 0%, rgba(0,161,178,0.05) 100%);
    color: var(--global-palette3);
    text-align: center;
    padding: 80px 0;
    animation: slideInUp 0.6s ease-out;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: slideInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: slideInUp 1s ease-out;
}

/* Pourquoi des quiz ? */
.why {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--white) 0%, rgba(0,161,178,0.05) 100%);
}

.why h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    animation: slideInUp 0.6s ease-out;
}

.features {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.feature {
    flex: 1;
    min-width: 250px;
    margin: 15px;
    text-align: center;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    background: var(--white);
    border: 2px solid transparent;
}

.feature:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--global-palette1);
    background: linear-gradient(135deg, var(--white) 0%, rgba(0,161,178,0.08) 100%);
}

.feature i {
    font-size: 2.5rem;
    color: var(--global-palette1);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.feature:hover i {
    animation: bounce 0.6s ease-out;
    color: var(--global-palette2);
    font-size: 2.8rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* Quiz populaires */
.popular {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--global-palette8) 0%, rgba(141,202,31,0.05) 100%);
}

.popular h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    animation: slideInUp 0.6s ease-out;
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.quiz-card {
    background-color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    animation: slideInUp 0.6s ease-out;
}

.quiz-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: var(--shadow-hover);
    border-color: var(--global-palette2);
    background: linear-gradient(135deg, var(--white) 0%, rgba(141,202,31,0.08) 100%);
}

.quiz-card i {
    font-size: 2.5rem;
    color: var(--global-palette1);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.quiz-card:hover i {
    font-size: 3rem;
    color: var(--global-palette2);
    animation: pulse 0.6s ease-out;
}

.quiz-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.quiz-card p {
    color: var(--gray);
    margin-bottom: 1rem;
}

/* Fun Fact */
.funfact {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--global-palette1) 0%, var(--global-palette3) 100%);
    text-align: center;
    color: var(--white);
}

.funfact h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    animation: slideInUp 0.6s ease-out;
    color: var(--white);
}

.funfact p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: slideInUp 0.8s ease-out;
}

.funfact strong {
    animation: shimmer 2s ease-in-out infinite;
}

/* Communauté */
.community {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(141,202,31,0.1) 0%, rgba(0,161,178,0.1) 100%);
    text-align: center;
}

.community h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    animation: slideInUp 0.6s ease-out;
}

.community p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: slideInUp 0.8s ease-out;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    background-color: var(--global-palette1);
    color: var(--white);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-weight: 600;
}

.social-links a:hover {
    background-color: var(--global-palette2);
    transform: scale(1.1) translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.social-links i {
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.social-links a:hover i {
    transform: scale(1.3);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark) 0%, var(--global-palette3) 100%);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
    animation: slideInUp 0.6s ease-out;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--gray);
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--global-palette2);
    transform: translateX(5px);
}

.footer-section p {
    margin-bottom: 10px;
    color: var(--gray);
}

.footer-section i {
    margin-right: 10px;
    color: var(--global-palette2);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: var(--white);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-icons a:hover {
    background-color: var(--global-palette2);
    transform: scale(1.2) rotate(10deg);
    border-color: var(--white);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin: 15px 0;
        justify-content: center;
    }

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

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

    .features, .quiz-grid {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}