/* ==========================================================================
   BILTIAU NATHAN - OFFICIAL WEBSITE
   MAIN STYLESHEET
   ========================================================================== */

/* --- 1. RESET & VARIABLES --- */
@import url('https://fonts.googleapis.com/css2?family=Helvetica+Neue:wght@300;400;700&display=swap');

:root {
    --bg-color: #000000;
    --section-bg: #050505;
    --text-main: #ffffff;
    --text-muted: #aaaaaa;
    --border-color: #333333;
    --border-light: #222222;
    --hover-bg: #111111;
    --font-main: 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* --- 2. TYPOGRAPHIE --- */
h1, h2, h3, h4 {
    font-weight: 300;
    text-transform: uppercase;
}

h2 {
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

h3 {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

p {
    font-size: 1rem;
    color: #cccccc;
    margin-bottom: 20px;
    font-weight: 300;
}

/* --- 3. NAVIGATION & HEADER --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 25px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-main);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: #888888;
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

/* Menu Hamburger (Animation) */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* --- 4. HERO SECTION --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    letter-spacing: 5px;
    margin-bottom: 10px;
}

.hero p {
    font-size: clamp(0.8rem, 2vw, 1rem);
    letter-spacing: 4px;
    color: var(--text-muted);
}

/* --- 5. LAYOUT & SECTIONS --- */
.content-section {
    background-color: var(--section-bg);
    padding: 100px 50px;
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-light);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* --- 6. COMPOSANTS --- */

/* Boutons */
.btn-corporate {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid var(--text-main);
    background: transparent;
    color: var(--text-main) !important;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 400;
    transition: all 0.3s ease;
    margin-top: 20px;
    cursor: pointer;
}

.btn-corporate:hover {
    background: var(--text-main);
    color: var(--bg-color) !important;
}

.btn-highlight {
    font-weight: 700;
    border-color: var(--text-main);
}

/* Statistiques (Accueil) */
.stats-container {
    display: flex;
    justify-content: space-around;
    padding: 50px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    margin: 50px 0;
    background: #0a0a0a;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-box {
    text-align: center;
    min-width: 200px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--text-main);
    margin-bottom: 5px;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Liste de Matériel */
.gear-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.gear-item {
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    padding: 15px 25px;
    color: #cccccc;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* Tour Roster (Page Concerts) */
.tour-container {
    display: flex;
    flex-direction: column;
}

.tour-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 20px;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.3s ease, border-left 0.2s ease;
    border-left: 0px solid var(--text-main);
}

.tour-row:hover {
    background: var(--hover-bg);
    border-left: 4px solid var(--text-main);
}

.tour-date {
    width: 120px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

.tour-artist {
    flex: 1;
    font-weight: 300;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-main);
}

.tour-venue {
    flex: 1;
    text-align: right;
    color: #888888;
    font-size: 0.95rem;
}

.tour-past {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.tour-past:hover {
    opacity: 1;
}

/* --- 7. FOOTER --- */
footer {
    background-color: var(--bg-color);
    text-align: center;
    padding: 50px 20px;
    border-top: 1px solid var(--border-light);
    font-size: 0.8rem;
    color: #666666;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    z-index: 2;
}

/* --- 8. RESPONSIVE DESIGN (Mobiles & Tablettes) --- */
@media screen and (max-width: 850px) {
    nav {
        padding: 20px 30px;
    }
    
    .content-section {
        padding: 80px 30px;
    }
}

@media screen and (max-width: 768px) {
    /* Menu Navigation Mobile */
    nav {
        padding: 20px;
    }

    .menu-toggle {
        display: flex; /* Affiche le Hamburger */
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(0, 0, 0, 0.98);
        border-bottom: 1px solid var(--border-color);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.4s ease;
    }

    .nav-links.active {
        max-height: 400px;
        padding: 20px 0;
        opacity: 1;
    }

    .nav-links a {
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-light);
        text-align: center;
        width: 100%;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    /* Ajustements Espacements */
    .content-section {
        padding: 60px 20px;
    }

    /* Ajustements Concerts (Stack Vertical) */
    .tour-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 20px;
    }

    .tour-venue {
        text-align: left;
        width: 100%;
    }

    .tour-date {
        width: 100%;
        font-size: 1.3rem;
    }
}


/* Ajout pour la page liens */
.social-box h3 { margin-bottom: 5px; }
.social-box p { margin: 0; font-size: 0.9rem; }
.btn-corporate { padding: 10px 25px !important; }

/* Correction du menu mobile pour qu'il utilise le même ID que les autres pages */
@media (max-width: 768px) {
    .social-box { flex-direction: column; text-align: center; gap: 20px; }
}