/* ==== Reset et base ==== */
body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: #eee;
    background: #0f0f0f;
}

html {
    scroll-behavior: smooth; /* fallback pour navigateurs sans GSAP */
}

/* ==== Header ==== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15,15,15,0.9);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(6px); /* effet moderne */
}

header a {
    color: #eee;
    margin-left: 1rem;
    text-decoration: none;
    transition: 0.3s;
}

header a:hover {
    color: #ff3c3c;
}

/* ==== Hero ==== */
.hero {
    background: url('/assets/images/bg.jpg') center/cover no-repeat;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* ==== Buttons ==== */
button {
    background: #ff3c3c;
    border: none;
    padding: 1rem 2rem;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
    transition: transform 0.3s, box-shadow 0.3s;
}

button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255,60,60,0.4);
}

/* ==== Sections ==== */
.section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4rem 2rem;
    text-align: center;
    will-change: transform, opacity; /* boost perf animations */
}

/* Bio */
#bio {
    position: relative;
    color: #fff;
    padding: 4rem 2rem;
    background-size: cover;
    background-position: center;
}

#bio::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 0;
}

#bio .bio-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 900px;
}

.bio-container img {
    width: 300px;
    border-radius: 10px;
}

/* Music & Merch grid */
.music-grid, .merch-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.music-grid img, .merch-grid img {
    width: 200px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.music-grid img:hover, .merch-grid img:hover {
    transform: scale(1.05);
}

/* ==== Scrollbar moderne ==== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 15, 15, 0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(255, 60, 60, 0.6);
    border-radius: 10px;
    transition: background-color 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 60, 60, 0.9);
}

* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 60, 60, 0.6) rgba(15, 15, 15, 0.3);
}