:root {
    --bg: #0b0d12;
    --card: #141824;
    --text: #f2f4f8;
    --muted: #8b93a7;
    --accent: #ff3b4e;
    --accent2: #ff8a3d;
    --line: rgba(255, 255, 255, .08);
}

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

body {
    font-family: "Segoe UI", system-ui, sans-serif;
    background:
        radial-gradient(800px 500px at 85% 10%, rgba(255, 59, 78, .18), transparent 60%),
        radial-gradient(700px 500px at 0% 90%, rgba(255, 138, 61, .10), transparent 60%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

button { font: inherit; cursor: pointer; border: none; color: inherit; }

/* ---------- En-tête ---------- */
.top {
    position: sticky; top: 0; z-index: 10;
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 6vw;
    background: rgba(11, 13, 18, .7);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: 4px; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }

.top-right { display: flex; align-items: center; gap: 12px; }

#lang-select {
    background: var(--card); color: var(--text); padding: 10px 14px; border-radius: 999px;
    border: 1px solid var(--line); transition: .25s; appearance: none;
}
#lang-select:hover, #lang-select:focus { border-color: var(--accent); outline: none; }

.cart-btn {
    background: var(--card); padding: 10px 18px; border-radius: 999px;
    border: 1px solid var(--line); transition: .25s;
}
.cart-btn:hover { border-color: var(--accent); transform: translateY(-2px); }
#compteur {
    background: var(--accent); border-radius: 999px;
    padding: 2px 9px; margin-left: 6px; font-size: .85rem; font-weight: 700;
}

/* ---------- Section produit ---------- */
.hero {
    display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
    max-width: 1200px; margin: 0 auto; padding: 70px 6vw;
}
.hero-img {
    position: relative; border-radius: 28px; overflow: hidden;
    box-shadow: 0 30px 80px rgba(255, 59, 78, .25);
    border: 1px solid var(--line);
}
.hero-img img { width: 100%; display: block; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s; }
.hero-img:hover img { transform: scale(1.06); }
.badge {
    position: absolute; top: 18px; left: 18px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    padding: 7px 16px; border-radius: 999px; font-size: .8rem; font-weight: 700; letter-spacing: 1px;
}

.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 3px; font-size: .8rem; margin-bottom: 12px; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.1; margin-bottom: 18px; }
.desc { color: var(--muted); line-height: 1.7; margin-bottom: 22px; }
.features { list-style: none; display: grid; gap: 10px; margin-bottom: 28px; }
.features li { padding: 10px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }

.price-row { display: flex; align-items: baseline; gap: 18px; margin-bottom: 22px; }
.price { font-size: 2.4rem; font-weight: 800; }
.stock { color: #3ddc97; font-size: .9rem; }

.buy-row { display: flex; gap: 14px; }
.qty {
    display: flex; align-items: center; background: var(--card);
    border: 1px solid var(--line); border-radius: 14px;
}
.qty button { background: none; width: 44px; height: 52px; font-size: 1.3rem; }
.qty button:hover { color: var(--accent); }
.qty span { min-width: 30px; text-align: center; font-weight: 700; }

.cta {
    flex: 1; padding: 15px 26px; border-radius: 14px; font-weight: 700; font-size: 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 10px 30px rgba(255, 59, 78, .35); transition: .25s;
}
.cta:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(255, 59, 78, .5); }

footer { text-align: center; color: var(--muted); padding: 30px; border-top: 1px solid var(--line); font-size: .85rem; }

/* ---------- Panier latéral ---------- */
#overlay {
    position: fixed; inset: 0; background: rgba(0, 0, 0, .6);
    opacity: 0; pointer-events: none; transition: .3s; z-index: 20;
}
#overlay.actif { opacity: 1; pointer-events: auto; }

#panier {
    position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 100%);
    background: var(--card); border-left: 1px solid var(--line);
    transform: translateX(100%); transition: transform .35s ease; z-index: 30;
    display: flex; flex-direction: column; padding: 26px;
}
#panier.ouvert { transform: translateX(0); }

.panier-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.panier-head button { background: none; font-size: 1.3rem; color: var(--muted); }
#liste { flex: 1; overflow-y: auto; }
.vide { color: var(--muted); text-align: center; margin-top: 60px; }

.ligne {
    display: grid; grid-template-columns: 80px 1fr; gap: 14px;
    padding: 14px; background: var(--bg); border-radius: 16px; border: 1px solid var(--line);
}
.ligne img { width: 80px; height: 80px; object-fit: cover; border-radius: 12px; }
.ligne h3 { font-size: .95rem; margin-bottom: 6px; }
.ligne .mini { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.ligne .mini button { width: 28px; height: 28px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); }
.ligne .mini button:hover { border-color: var(--accent); }
.ligne .suppr { margin-left: auto; background: none !important; border: none !important; color: var(--accent); width: auto !important; }

.panier-foot { border-top: 1px solid var(--line); padding-top: 20px; }
.total { display: flex; justify-content: space-between; font-size: 1.2rem; margin-bottom: 16px; }
.panier-foot .cta { width: 100%; }

/* ---------- Notification ---------- */
#toast {
    position: fixed; bottom: 30px; left: 50%; transform: translate(-50%, 120px);
    background: var(--card); border: 1px solid var(--accent); padding: 14px 24px;
    border-radius: 14px; transition: .4s; z-index: 40;
}
#toast.visible { transform: translate(-50%, 0); }

/* ---------- Mobile ---------- */
@media (max-width: 850px) {
    .hero { grid-template-columns: 1fr; gap: 34px; padding-top: 40px; }
    .top { flex-wrap: wrap; gap: 12px; }
}

/* ---------- Ajouts PURDROP ---------- */
.garantie { color: var(--muted); font-size: .9rem; }
.etapes { color: var(--muted); line-height: 1.7; margin-bottom: 24px; font-size: .95rem; }
.etapes b { color: var(--text); }
.infographie { max-width: 820px; margin: 0 auto; padding: 0 6vw 70px; text-align: center; }
.infographie img {
    width: 100%; border-radius: 22px; border: 1px solid var(--line);
    box-shadow: 0 30px 80px rgba(255, 59, 78, .2); display: block;
}