/* --- VARIABLES LUXE --- */
:root {
    --bg-dark: #0a0a0a;
    --bg-bordeaux: #2a0810;
    --bordeaux-light: #4a0e1c;
    --gold: #D4AF37;
    --gold-light: #f3d573;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* HEADER */
header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 40px; background: rgba(10, 10, 10, 0.9);
    position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid #222;
}
.logo { font-family: var(--font-heading); font-size: 1.5rem; color: var(--gold); font-weight: 600; letter-spacing: 2px; }
nav a { color: var(--text-main); text-decoration: none; margin-left: 25px; font-size: 0.9rem; text-transform: uppercase; transition: color 0.3s; }
nav a:hover { color: var(--gold); }

/* HERO SECTION */
.hero {
    height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center;
    background: radial-gradient(circle at center, var(--bordeaux-light) 0%, var(--bg-dark) 70%);
}
.hero h1 { font-family: var(--font-heading); font-size: 4rem; line-height: 1.2; margin-bottom: 20px; }
.hero h1 span { color: var(--gold); font-style: italic; }
.hero p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 40px; }

/* BOUTONS */
.btn-gold {
    background: var(--gold); color: #000; padding: 15px 40px; text-decoration: none;
    font-weight: 600; text-transform: uppercase; letter-spacing: 1px; border-radius: 3px;
    transition: all 0.3s; display: inline-block;
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3); }

.btn-gold-small {
    background: var(--gold); color: #000; padding: 10px 20px; text-decoration: none;
    font-weight: 600; font-size: 0.9rem; border-radius: 3px; display: block; text-align: center; transition: 0.3s;
}
.btn-gold-small:hover { background: var(--gold-light); }

.btn-outline {
    border: 1px solid var(--gold); color: var(--gold); padding: 12px 30px; text-decoration: none;
    font-weight: 600; display: inline-block; transition: 0.3s;
}
.btn-outline:hover { background: var(--gold); color: #000; }

/* SECTIONS */
.section-dark { background-color: var(--bg-dark); padding: 100px 0; }
.section-bordeaux { background-color: var(--bg-bordeaux); padding: 100px 0; border-top: 1px solid #3a111a; border-bottom: 1px solid #3a111a; }

.section-title { font-family: var(--font-heading); font-size: 2.5rem; margin-bottom: 10px; }
.section-title span { color: var(--gold); }
.subtitle { color: var(--text-muted); font-size: 1.1rem; }

/* CARTE RÉSERVATION ONGLES */
.booking-card {
    background: #111; border: 1px solid #333; padding: 50px; border-radius: 10px;
    max-width: 600px; margin: 40px auto 0;
}
.booking-card h3 { font-family: var(--font-heading); font-size: 1.8rem; color: var(--gold); margin-bottom: 20px; }
.booking-card p { color: var(--text-muted); margin-bottom: 25px; }
.price-tag { font-size: 1.2rem; font-weight: 600; margin-bottom: 30px; border-top: 1px solid #333; border-bottom: 1px solid #333; padding: 15px 0; }
.price-tag span { color: var(--gold); font-size: 1.5rem; }

/* GRILLE FORMATIONS */
.grid-formations { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

.formation-card {
    background: rgba(10, 10, 10, 0.6); border: 1px solid #3a111a; padding: 30px;
    border-radius: 5px; display: flex; flex-direction: column; justify-content: space-between;
    transition: transform 0.3s, border-color 0.3s;
}
.formation-card:hover { transform: translateY(-5px); border-color: var(--gold); background: rgba(10, 10, 10, 0.9); }

.special-card { border: 1px solid var(--gold); box-shadow: 0 0 20px rgba(212, 175, 55, 0.1); }

.card-tag { font-size: 0.75rem; color: var(--bg-dark); background: var(--gold); display: inline-block; padding: 3px 10px; font-weight: 600; margin-bottom: 15px; border-radius: 2px; text-transform: uppercase; }
.formation-card h3 { font-family: var(--font-heading); font-size: 1.4rem; margin-bottom: 10px; color: #fff; }
.duration { font-size: 0.85rem; color: var(--gold); margin-bottom: 15px; font-weight: 600; }
.desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 25px; flex-grow: 1; }

.pricing { border-top: 1px solid #333; padding-top: 15px; margin-bottom: 20px; }
.full-price { display: block; font-size: 2rem; font-family: var(--font-heading); color: #fff; margin-bottom: 5px; }
.acompte { display: block; font-size: 0.85rem; color: var(--text-muted); }

/* FOOTER */
footer { background: var(--bg-dark); text-align: center; padding: 40px 20px; border-top: 1px solid #222; }
/* =========================================
   📱 ADAPTATION MOBILE (RESPONSIVE IPHONE/ANDROID)
   ========================================= */
@media (max-width: 768px) {
    /* Header & Menu de navigation */
    header {
        flex-direction: column;
        padding: 15px;
    }
    nav {
        margin-top: 15px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    nav a {
        margin-left: 0;
        font-size: 0.8rem;
    }

    /* Section Principale (Hero) */
    .hero {
        height: auto;
        min-height: 70vh;
        padding: 40px 15px;
    }
    .hero h1 {
        font-size: 2.5rem; /* Texte plus petit pour mobile */
        margin-bottom: 15px;
    }
    .hero p {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    /* Espacements des sections */
    .section-dark, .section-bordeaux {
        padding: 60px 0; /* Moins de vide sur mobile */
    }
    .section-title {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 15px;
    }
    .subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }

    /* Carte de Réservation (Nails) */
    .booking-card {
        padding: 30px 20px;
        margin: 20px 15px 0;
    }
    .booking-card h3 {
        font-size: 1.5rem;
    }
    .price-tag span {
        font-size: 1.3rem;
    }

    /* Section À Propos */
    .about-text p {
        padding: 0 15px;
        font-size: 0.95rem;
    }

    /* Grille des Formations */
    .grid-formations {
        gap: 20px;
        padding: 0 15px;
    }
    .formation-card {
        padding: 25px 20px;
    }
    .full-price {
        font-size: 1.6rem;
    }

    /* Boutons */
    .btn-gold {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

    /* CGV et Mentions Légales */
    .legal-container {
        padding: 0 15px;
    }
    summary {
        font-size: 0.9rem;
        padding: 15px;
    }
}