@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
    /* Couleurs */
    --primary-color: #00F9F5; /* Cyan Néon */
    --secondary-color: #FF00FF; /* Magenta Néon */
    --background-color: #1A1A2E; /* Bleu Nuit Profond */
    --footer-bg-color: #0F0F1A; /* Noir Très Foncé */
    --text-color: #E0E0E0; /* Gris Clair */
    --heading-color: var(--primary-color);
    --accent-glow-color: var(--secondary-color); /* Pour les lueurs */

    --section-bg-1: #2C2C40; /* Gris-Bleu Foncé */
    --section-bg-2: #1F1F35; /* Bleu-Violet Foncé */
    --section-bg-3: #383850; /* Gris-Bleu Moyen */
    --section-bg-4: #1A1A2E; /* Bleu Nuit Profond */

    /* Typographie */
    --font-family-base: 'Rajdhani', sans-serif;
    --font-size-base: 1.125rem; /* 18px */
    --line-height-base: 1.7;
    --heading-line-height: 1.2;
    --letter-spacing-heading: 0.05em;

    /* Espacement et Rayons */
    --spacing-unit: 1rem;
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1.5rem;

    /* Ombres et Lueur */
    --shadow-neon-primary: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    --shadow-neon-secondary: 0 0 10px var(--secondary-color), 0 0 20px var(--secondary-color);
    --shadow-clay-light: inset 5px 5px 10px rgba(255, 255, 255, 0.05), inset -5px -5px 10px rgba(0, 0, 0, 0.5);
    --shadow-clay-dark: 5px 5px 10px rgba(0, 0, 0, 0.4), -5px -5px 10px rgba(255, 255, 255, 0.05);

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-base);
    color: var(--heading-color);
    line-height: var(--heading-line-height);
    letter-spacing: var(--letter-spacing-heading);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    text-shadow: var(--shadow-neon-primary);
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.75rem; font-weight: 600; }
h3 { font-size: 2.25rem; font-weight: 600; }
h4 { font-size: 1.75rem; font-weight: 500; }
h5 { font-size: 1.5rem; font-weight: 500; }
h6 { font-size: 1.25rem; font-weight: 500; }

p {
    margin-bottom: 1em;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease), text-shadow var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--secondary-color);
    text-shadow: var(--shadow-neon-secondary);
}

/* Utilities */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-unit);
    padding-right: var(--spacing-unit);
}

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

/* Header */
.header {
    background-color: rgba(26, 26, 46, 0.8); /* Semi-transparent */
    backdrop-filter: blur(10px);
    padding: var(--spacing-unit) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 249, 245, 0.2);
}

.header-content {
    display: flex;
    justify-content: center; /* Logo au centre */
    align-items: center;
    position: relative;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: var(--shadow-neon-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-menu {
    position: absolute; /* Navigation discrète */
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-unit);
}

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

.nav-menu li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    overflow: hidden; /* Pour l'effet néon */
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-speed) var(--transition-ease);
}

.nav-menu li a:hover::before {
    transform: translateX(0);
}

.nav-menu li a:hover {
    color: var(--primary-color);
    text-shadow: var(--shadow-neon-primary);
}


/* Buttons - Clay-morphism with neon glow */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    color: var(--footer-bg-color); /* Texte foncé sur bouton clair */
    background: linear-gradient(145deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow-clay-dark), var(--shadow-neon-primary);
    transition: all var(--transition-speed) var(--transition-ease);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.btn:hover {
    color: var(--text-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-clay-dark), var(--shadow-neon-secondary), 0 0 30px var(--accent-glow-color);
    background: linear-gradient(145deg, var(--secondary-color), var(--primary-color));
}

.btn:active {
    transform: translateY(1px);
    box-shadow: var(--shadow-clay-light);
}

/* Section Backgrounds */
.section-bg-1 {
    background-color: var(--section-bg-1);
}

.section-bg-2 {
    background-color: var(--section-bg-2);
}

.section-bg-3 {
    background-color: var(--section-bg-3);
}

.section-bg-4 {
    background-color: var(--section-bg-4);
}

/* Card Style */
.card {
    background-color: var(--section-bg-2);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), var(--shadow-neon-primary);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
    border: 1px solid rgba(0, 249, 245, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), var(--shadow-neon-secondary);
}

/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 0, 255, 0.2);
}

.footer a {
    color: var(--secondary-color);
    text-shadow: none;
}

.footer a:hover {
    color: var(--primary-color);
    text-shadow: var(--shadow-neon-primary);
}

/* Animations */
@keyframes neon-pulse {
    0% { text-shadow: var(--shadow-neon-primary); }
    50% { text-shadow: var(--shadow-neon-secondary); }
    100% { text-shadow: var(--shadow-neon-primary); }
}

.animate-neon-pulse {
    animation: neon-pulse 2s infinite alternate;
}

/* Media Queries */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    .nav-menu {
        flex-direction: column;
        align-items: center;
        position: static;
        padding: var(--spacing-unit) 0;
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1rem;
    }
    .header-content {
        flex-direction: column;
    }
    .logo {
        margin-bottom: 1rem;
    }
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    .card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    body {
        font-size: 1rem;
    }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}