/* =========================================
   VARIABLES ET CONFIGURATIONS DE BASE
========================================= */
:root {
    --bg-dark: #18132C;
    --bg-darker: #1A132E;
    --bg-card: #251A48;
    --accent-red: #8F3039;
    --accent-pink: #DB5A7C;
    --accent-purple: #5F327A;
    --text-light: #F4F4F4;
    --text-muted: #B8B5C1;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Roboto', sans-serif;
    --max-width: 1440px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typographie globale */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Conteneurs */
.container {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
}

.max-width-container {
    max-width: var(--max-width);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #fff;
}

.subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.italic-text {
    font-style: italic;
}

/* =========================================
   HEADER / NAVIGATION / BURGER
========================================= */
.main-header {
    background-color: var(--bg-darker);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative; 
}

.logo {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo h1 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    letter-spacing: 2px;
    line-height: 1; 
    margin: 0;
}

.logo span {
    font-size: 0.75rem;
    color: var(--accent-pink);
    letter-spacing: 1px;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-pink);
}

.flags .flag {
    margin-left: 10px;
    cursor: pointer;
}

.menu-toggle { display: none; }
.burger-menu {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001; 
}
.burger-line {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-flags { display: none; }

/* =========================================
   VIDÉO & IFRAME RESPONSIVE (16:9)
========================================= */
.video-responsive {
    position: relative;
    padding-bottom: 56.25%; 
    height: 0;
    overflow: hidden;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-video-section {
    padding: 0;
    background: var(--bg-darker);
}

/* =========================================
   SECTION INTRO
========================================= */
.intro-section {
    background: linear-gradient(rgba(24, 19, 44, 0.75), rgba(24, 19, 44, 0.75)), url('images/IMG_2952@2x.png') center/cover no-repeat;
    padding: 80px 0;
}

.intro-layout {
    display: flex;
    align-items: flex-start;
    gap: 50px;
}

.intro-content { flex: 1; }
.intro-content h2 { font-size: 3rem; line-height: 1.1; margin-bottom: 1rem; }
.intro-content p { margin-bottom: 1.5rem; font-size: 1.1rem; }

.intro-image {
    flex: 1;
    max-width: 500px;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5); 
}

/* =========================================
   SECTION ÉCHOS
========================================= */
.echos-section {
    background: linear-gradient(rgba(24, 19, 44, 0.90), rgba(24, 19, 44, 0.90)), url('images/c6d60485-bf55-49ea-b297-77913eb0fdb9.jpg') center/cover no-repeat;
    padding: 80px 0;
}

.videos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

/* Modification majeure : L'écriture devient Roboto "Light" (300) pour une finesse maximale */
.echos-text {
    text-align: center;
    font-family: var(--font-body); /* On bascule sur la typographie de corps (Roboto) qui possède une version "Light" */
    font-size: 1.2rem; 
    font-weight: 300; /* La graisse "Light" demandée */
    max-width: 800px;
    margin: 0 auto;
    font-style: italic;
    color: var(--text-light);
    line-height: 1.6;
    letter-spacing: 0.5px; /* Un léger espacement allège encore plus le texte */
}

/* =========================================
   SECTION CRÉATIONS
========================================= */
.creations-section {
    background-color: var(--accent-pink);
    padding: 80px 0;
}

.creations-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.creation-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
}

.creation-card h3 { font-size: 1.8rem; margin-bottom: 15px; }
.soundcloud-embed { margin-bottom: 20px; }
.creation-desc { margin-bottom: 15px; }

.read-more-checkbox { display: none; }
.read-more-content {
    display: none;
    margin-bottom: 15px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.2);
}
.read-more-checkbox:checked ~ .read-more-content { display: block; }

.btn-lire {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid #fff;
    color: #fff;
    text-transform: uppercase;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
    font-family: var(--font-body);
}

.btn-lire:hover { background: #fff; color: var(--accent-pink); }
.btn-lire::after { content: "Lire la suite..."; }
.read-more-checkbox:checked ~ .btn-lire::after { content: "Masquer la suite"; }

/* =========================================
   SECTION CONCERTS
========================================= */
.concerts-section {
    background: url('images/scene-bltz-bleu-led.jpg') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
}

.concerts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.concert-card {
    background: rgba(26, 19, 46, 0.8);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 40px 20px;
    border-radius: 8px;
    transition: transform 0.3s;
}

.concert-card:hover { transform: translateY(-5px); }
.concert-card h3 { font-size: 2.5rem; color: var(--accent-pink); margin-bottom: 10px; }

/* =========================================
   SECTION TECHNIQUE
========================================= */
.technique-section {
    background: linear-gradient(rgba(26, 19, 46, 0.85), rgba(26, 19, 46, 0.85)), url('images/995A9988.jpg') center/cover no-repeat;
    padding: 80px 0;
    text-align: center;
}

.quote {
    font-style: italic;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.technique-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: left;
}

.tech-card {
    background-color: var(--bg-card); 
    padding: 40px 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-pink);
}

.tech-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--accent-pink);
    opacity: 0.5;
    margin-bottom: 10px;
}

.tech-card h3 { font-size: 1.8rem; margin-bottom: 5px; }
.tech-sub { font-size: 0.8rem; color: var(--accent-pink); text-transform: uppercase; margin-bottom: 20px; letter-spacing: 1px; }
.tech-desc { margin-bottom: 20px; font-size: 0.95rem; }
.tech-list { list-style: none; }
.tech-list li { margin-bottom: 10px; font-size: 0.9rem; padding-left: 15px; position: relative; }
.tech-list li::before { content: "•"; color: var(--accent-pink); position: absolute; left: 0; }
.tech-list strong { color: var(--accent-pink); }

/* =========================================
   SECTION GUSO
========================================= */
.guso-section { background-color: var(--bg-dark); padding: 80px 0; }
.guso-content { max-width: 900px; margin: 0 auto; }
.guso-content p { margin-bottom: 20px; }
.guso-content h3 { font-size: 1.5rem; color: var(--accent-pink); margin: 40px 0 20px 0; }
.guso-list { list-style: none; margin-bottom: 30px; }
.guso-list li { margin-bottom: 15px; padding-left: 20px; position: relative; }
.guso-list li::before { content: "♪"; color: var(--accent-pink); position: absolute; left: 0; }

.guso-alert {
    background-color: rgba(219, 90, 124, 0.1);
    border-left: 4px solid var(--accent-pink);
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 40px;
}

.links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.link-card {
    display: flex;
    align-items: flex-start;
    background-color: var(--bg-card);
    padding: 25px;
    border-radius: 8px;
    transition: background 0.3s;
}

.link-card:hover { background-color: #2D205A; }
.link-icon { font-size: 2rem; margin-right: 20px; }
.link-url { color: var(--accent-pink); font-size: 0.9rem; margin-top: 10px; display: block; }

/* =========================================
   SECTION CONTACT
========================================= */
.contact-section {
    background: linear-gradient(rgba(26, 19, 46, 0.85), rgba(26, 19, 46, 0.85)), url('images/995A0023.jpg') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-pink);
    color: #fff;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 4px;
    margin: 40px 0;
    transition: transform 0.3s, background 0.3s;
}

.btn-primary:hover { background-color: #E27291; transform: scale(1.05); }
.contact-info { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.contact-link { color: var(--text-light); font-size: 1.1rem; font-weight: bold; transition: color 0.3s; }
.contact-link:hover { color: var(--accent-pink); }

/* =========================================
   FOOTER
========================================= */
footer {
    text-align: center;
    padding: 30px 0;
    background-color: #0E0A1A;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   RESPONSIVE DESIGN & MENU BURGER MOBILE
========================================= */

@media screen and (max-width: 1200px) {
    .intro-content h2 { font-size: 2.5rem; }
    .technique-grid { gap: 15px; }
    .tech-card { padding: 25px 20px; }
}

@media screen and (max-width: 992px) {
    .section-title, .subtitle, .quote, .echos-text, .concerts-section, .technique-section, .contact-section { 
        text-align: left !important; 
    }
    
    .intro-layout { flex-direction: column; text-align: left; }
    .intro-image { max-width: 100%; margin-top: 30px; align-self: flex-start; }
    .creations-grid { grid-template-columns: 1fr; }
    .technique-grid { grid-template-columns: 1fr; }
    .concerts-grid { grid-template-columns: 1fr; }
    .links-grid { grid-template-columns: 1fr; }
    
    /* GESTION DU MENU BURGER */
    .burger-menu { display: flex; }
    .desktop-flags { display: none; }
    .nav-flags {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid rgba(255,255,255,0.1);
        width: 100%;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-darker);
        flex-direction: column;
        box-shadow: 0 15px 25px rgba(0,0,0,0.8);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        padding: 0;
        transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease;
    }

    .menu-toggle:checked ~ .main-nav {
        max-height: 600px;
        opacity: 1;
        padding: 20px;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 0; 
    }

    .nav-links li { width: 100%; text-align: center; }
    .nav-links a { display: block; padding: 15px 0; font-size: 1rem; }

    /* Animation croix */
    .menu-toggle:checked + .burger-menu .burger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle:checked + .burger-menu .burger-line:nth-child(2) { opacity: 0; }
    .menu-toggle:checked + .burger-menu .burger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media screen and (max-width: 768px) {
    .videos-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 2rem; }
    .intro-content h2 { font-size: 2rem; }
    .tech-card { border-left: none; border-top: 4px solid var(--accent-pink); }
}

@media screen and (max-width: 480px) {
    .section-title { font-size: 1.6rem; }
    .intro-content h2 { font-size: 1.6rem; }
    .btn-primary { padding: 12px 20px; font-size: 1rem; width: 100%; }
    .creation-card { padding: 15px; }
    .tech-card { padding: 20px 15px; }
}