@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;700&family=Space+Mono:wght@400;700&display=swap');

:root {
    /* Couleurs */
    --color-primary: #8A2BE2; /* Améthyste */
    --color-secondary: #B0C4DE; /* Bleu Ardoise Clair */
    --color-background: #1E0E30; /* Violet Profond Nuit */
    --color-footer-bg: #0D0715; /* Presque Noir Violet */
    --color-button: #9370DB; /* Lavande Moyen */
    --color-text-light: #F0F2F5; /* Blanc cassé */
    --color-text-dark: #333333;
    --color-accent-hover: #A080E8; /* Lavande plus clair */

    --section-bg-1: #3A1C5A;
    --section-bg-2: #2B1745;
    --section-bg-3: #4C2470;
    --section-bg-4: #211336;
    --section-bg-5: #5A2C85;

    /* Typographie */
    --font-family-body: 'Inter', sans-serif;
    --font-family-heading: 'Space Mono', monospace;
    --font-size-base: 1rem; /* 16px */

    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Rayons de bordure */
    --border-radius-sm: 0.375rem; /* 6px */
    --border-radius-md: 0.75rem; /* 12px */
    --border-radius-lg: 1.5rem; /* 24px */

    /* Ombres */
    --shadow-soft-depth: 0px 8px 15px rgba(0, 0, 0, 0.4), 0px 2px 5px rgba(0, 0, 0, 0.25);
    --shadow-button: 0px 5px 10px rgba(0, 0, 0, 0.3);
    --shadow-button-hover: 0px 7px 14px rgba(0, 0, 0, 0.4);

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

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

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-light);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prévient le défilement horizontal indésirable */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--color-text-light);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em; /* Léger resserrement pour les titres */
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
}

h3 {
    font-size: 1.8rem;
    font-weight: 500;
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

ul, ol {
    list-style: none; /* Supprime les puces par défaut */
    padding: 0;
    margin-left: 0;
}

li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-md); /* Pour les puces custom */
}

li::before {
    content: '→'; /* Puce custom */
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 0.8em;
    line-height: inherit;
}

/* Utility classes for layout (assuming Tailwind, these are supplemental) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden; /* Pour contenir les ombres */
}

/* Background classes for sections */
.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); }
.section-bg-5 { background-color: var(--section-bg-5); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family-body);
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    background: linear-gradient(135deg, var(--color-button) 0%, var(--color-primary) 100%);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    box-shadow: var(--shadow-button);
    transition: all var(--transition-speed) var(--transition-ease);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-primary) 100%);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-button);
}

/* Cards */
.card {
    background-color: var(--section-bg-2); /* Un fond plus clair que le body pour le contraste */
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft-depth); /* Effet 'papier flottant' */
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
    will-change: transform;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 12px 25px rgba(0, 0, 0, 0.5), 0px 4px 8px rgba(0, 0, 0, 0.3);
}

/* Header */
.header {
    background: linear-gradient(to right, var(--color-primary) 0%, #6A0DAD 100%); /* Dégradé de la couleur primaire vers un violet plus foncé */
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-soft-depth);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .logo {
    font-family: var(--font-family-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #C0C0C0; /* Argenté */
    letter-spacing: 0.05em;
    text-shadow: 0px 0px 10px rgba(255, 255, 255, 0.3); /* Léger halo */
}

.header nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.header nav ul li a {
    color: var(--color-text-light);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: color var(--transition-speed) var(--transition-ease);
}

.header nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-speed) var(--transition-ease);
}

.header nav ul li a:hover {
    color: var(--color-secondary);
}

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

/* Footer */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    font-size: 0.9rem;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.footer-nav, .footer-contact, .footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-nav {
    text-align: left;
}

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

.footer-social {
    text-align: right;
}

.footer h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li {
    margin-bottom: var(--spacing-xs);
    padding-left: 0; /* Override custom bullet from general li */
}

.footer ul li::before {
    content: none; /* Remove custom bullet */
}

.footer ul li a {
    color: var(--color-text-light);
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer ul li a:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

.footer .social-icons a {
    display: inline-block;
    margin: 0 var(--spacing-xs);
    color: var(--color-text-light);
    font-size: 1.5rem;
    transition: transform var(--transition-speed) var(--transition-ease), color var(--transition-speed) var(--transition-ease);
}

.footer .social-icons a:hover {
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer .copyright {
    width: 100%;
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(var(--color-primary), 0.5);
    border-radius: var(--border-radius-sm);
    background-color: rgba(var(--section-bg-4), 0.7);
    color: var(--color-text-light);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    box-shadow: inset 0px 2px 5px rgba(0, 0, 0, 0.2);
    transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: inset 0px 2px 5px rgba(0, 0, 0, 0.3), 0px 0px 0px 3px rgba(var(--color-primary), 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .header {
        flex-direction: column;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .header nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-sm);
    }

    .footer {
        flex-direction: column;
        text-align: center;
    }

    .footer-nav, .footer-contact, .footer-social {
        text-align: center;
        margin-bottom: var(--spacing-md);
    }

    .footer .social-icons {
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}

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

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s var(--transition-ease) forwards;
    animation-timeline: view();
    animation-range: entry 25% cover 50%; /* Adjust as needed for specific elements */
}

/* Glassmorphism/Neumorphism elements if applicable, based on overall_style */
/* The 'soft depth' effect with deep shadows already hints at a subtle neumorphism.
   For a more explicit glassmorphism, we'd add `backdrop-filter: blur()`.
   Given the "futurisme doux" and "ombres profondes", the current shadow approach is better.
*/


/* 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;
    }
}