/* =============================================================================
   Feuille de style principale — Car Detailing
   Design premium automobile : thème sombre, accent doré, typographie soignée.
   Fondations (étape 0) : variables, base, en-tête, navigation, boutons,
   hero, pied de page, utilitaires responsive.
   ============================================================================= */

/* ---------- Variables de thème ---------- */
:root {
    --color-bg: #0d0f12;          /* fond sombre profond */
    --color-surface: #16191e;     /* cartes / sections */
    --color-surface-2: #1e232a;   /* survols, bordures */
    --color-text: #eef1f4;        /* texte principal */
    --color-muted: #9aa4b1;       /* texte secondaire */
    --color-accent: #c9a24b;      /* or / laiton (accent premium) */
    --color-accent-hover: #dcb85f;
    --color-border: #262b33;

    --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --radius: 10px;
    --max-width: 1140px;
    --transition: 0.25s ease;
}

/* ---------- Réinitialisation légère ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin: 0 0 0.6em;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

img { max-width: 100%; display: block; }

/* ---------- Conteneur ---------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ---------- Boutons ---------- */
.btn {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    text-align: center;
}
.btn-primary {
    background: var(--color-accent);
    color: #14100a;
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    color: #14100a;
}
.btn-outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ---------- En-tête / navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 15, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}
.logo {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--color-text);
    letter-spacing: 0.02em;
}
.logo:hover { color: var(--color-accent); }
.logo-img {
    display: block;
    height: 52px;
    width: auto;
    /* Fond noir du logo fondu dans l'arrière-plan sombre */
    mix-blend-mode: lighten;
}
@media (max-width: 600px) {
    .logo-img { height: 42px; }
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-nav a {
    color: var(--color-muted);
    font-weight: 500;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--color-text);
}
.btn-nav { padding: 0.55rem 1.2rem; }
.main-nav a.btn-nav { color: #14100a; }

/* Bouton hamburger (mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ---------- Sections génériques ---------- */
.section {
    padding: 5rem 0;
}
.section-alt {
    background: var(--color-surface);
}
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}
.section-title p {
    color: var(--color-muted);
    max-width: 640px;
    margin: 0.5rem auto 0;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 82vh;
    display: flex;
    align-items: center;
    /* Photo de fond + dégradé sombre par-dessus pour la lisibilité du texte. */
    background:
        linear-gradient(rgba(13,15,18,0.72), rgba(13,15,18,0.92)),
        url('/assets/img/hero.jpg') center / cover no-repeat;
    text-align: center;
    overflow: hidden;
}
.hero-content {
    max-width: 760px;
    margin: 0 auto;
}
.hero .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.hero p.lead {
    color: var(--color-muted);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 1rem auto 2rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Pied de page ---------- */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: space-between;
    padding: 3rem 1.25rem 2rem;
}
.footer-logo-img {
    display: block;
    height: 60px;
    width: auto;
    mix-blend-mode: lighten;
}
.footer-brand p { color: var(--color-muted); margin-top: 0.5rem; max-width: 280px; }
.footer-nav { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a { color: var(--color-muted); }
.footer-nav a:hover { color: var(--color-text); }
.footer-contact a { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.2rem 0;
}
.footer-bottom p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-align: center;
}

/* ---------- Utilitaires ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }

/* ---------- Conteneur étroit (pages de texte) ---------- */
.container.narrow { max-width: 820px; }

/* ---------- Grille de points forts (accueil) ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.feature-icon { font-size: 2rem; display: block; margin-bottom: 0.75rem; }
.feature-card h3 { color: var(--color-text); }
.feature-card p { color: var(--color-muted); margin: 0; }

/* ---------- Bandeau CTA ---------- */
.cta-band { text-align: center; }
.cta-band p { color: var(--color-muted); }

/* ---------- Tableau des prix (formules) ---------- */
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.pricing-table th,
.pricing-table td {
    padding: 1.1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}
.pricing-table thead th {
    background: var(--color-surface-2);
    color: var(--color-text);
    font-size: 0.95rem;
    white-space: nowrap;
}
.pricing-table thead th:not(:first-child),
.pricing-table .cell-prix { text-align: center; }
.pricing-table tbody tr:last-child td { border-bottom: none; }
.pricing-table tbody tr:hover { background: rgba(201, 162, 75, 0.05); }
.cell-formule strong { display: block; font-size: 1.05rem; }
.cell-formule .desc { display: block; color: var(--color-muted); font-size: 0.9rem; margin-top: 0.35rem; }
.cell-prix { font-weight: 600; color: var(--color-accent); white-space: nowrap; }

.note-supplement {
    margin-top: 1.25rem;
    color: var(--color-muted);
    font-style: italic;
    font-size: 0.95rem;
}

/* ---------- Prestations supplémentaires ---------- */
.extras-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}
.extra-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
}
.extra-nom { font-weight: 500; }
.extra-prix { color: var(--color-accent); text-align: right; font-size: 0.95rem; }

/* ---------- Galerie ---------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}
.gallery-item { margin: 0; }
.gallery-thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface-2);
}
.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}
.gallery-item:hover .gallery-thumb img { transform: scale(1.05); }
.gallery-item figcaption {
    margin-top: 0.6rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-align: center;
}

/* ---------- Comparateur AVANT / APRÈS (curseur à glisser) ---------- */
.ba-slider {
    --pos: 50%;                 /* position du curseur, mise à jour en JS */
    position: relative;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    aspect-ratio: 3 / 2;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    touch-action: none;         /* le glissement pilote le curseur, pas le scroll */
    user-select: none;
    cursor: ew-resize;
}
.ba-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}
/* Couche "AVANT" : recadrée à gauche du curseur via clip-path. */
.ba-before-layer {
    position: absolute;
    inset: 0;
    clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
/* Filtre "sale/terne" appliqué UNIQUEMENT en mode démo (image simulée). */
.ba-before--filtered {
    filter: brightness(0.7) contrast(1.05) saturate(0.45) sepia(0.4);
}
/* Voile de saleté/poussière (bruit SVG) par-dessus l'image "avant". */
.ba-dirt {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    mix-blend-mode: multiply;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 220px 220px;
}
/* Poignée verticale au niveau du curseur. */
.ba-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--pos);
    width: 2px;
    transform: translateX(-1px);
    background: rgba(255, 255, 255, 0.9);
    pointer-events: none;
}
.ba-knob {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #14100a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    pointer-events: auto;       /* focus clavier possible */
    cursor: ew-resize;
}
.ba-knob:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}
/* Étiquettes Avant / Après. */
.ba-tag {
    position: absolute;
    top: 12px;
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(13, 15, 18, 0.7);
    color: #fff;
    border-radius: 6px;
    pointer-events: none;
}
.ba-tag-before { left: 12px; }
.ba-tag-after  { right: 12px; }

/* ---------- Valeurs (à propos) ---------- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}
.value-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.value-card h3 { color: var(--color-accent); }
.value-card p { color: var(--color-muted); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}
.contact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}
.contact-card h3 { color: var(--color-accent); margin-bottom: 0.5rem; }
.contact-card p { color: var(--color-text); margin: 0; }

/* ---------- Formulaires ---------- */
.form-wrap {
    margin-top: 3rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
}
.form-heading { margin-bottom: 1.5rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    color: var(--color-text);
}
.form-group .req { color: var(--color-accent); }
.form-group .optional { color: var(--color-muted); font-weight: 400; font-size: 0.85rem; }

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}
.contact-form textarea { resize: vertical; }
.contact-form input.is-invalid,
.contact-form textarea.is-invalid {
    border-color: #e05656;
}
.field-error {
    display: block;
    margin-top: 0.35rem;
    color: #f08a8a;
    font-size: 0.88rem;
}

/* Champ honeypot : masqué aux humains (hors écran, non focusable visuellement). */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Alertes (confirmation / erreur) */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}
.alert-success {
    background: rgba(70, 170, 100, 0.12);
    border-color: rgba(70, 170, 100, 0.4);
    color: #9fe0b4;
}
.alert-error {
    background: rgba(224, 86, 86, 0.1);
    border-color: rgba(224, 86, 86, 0.4);
    color: #f0a5a5;
}

/* ---------- Réservation ---------- */
.reservation-selector {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
}
.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}
.reservation-selector select,
.reservation-selector input,
.reservation-form select,
.reservation-form input,
.reservation-form textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
}
.reservation-selector select:focus,
.reservation-selector input:focus,
.reservation-form input:focus,
.reservation-form textarea:focus,
.reservation-form select:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Récapitulatif de la sélection */
.booking-summary {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
    margin: 1.75rem 0 1rem;
    padding: 1rem 1.25rem;
    background: rgba(201, 162, 75, 0.08);
    border: 1px solid rgba(201, 162, 75, 0.35);
    border-radius: var(--radius);
    color: var(--color-text);
}

/* Formulaire de réservation (créneaux + coordonnées) */
.reservation-form {
    margin-top: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
}
.slots-fieldset {
    border: none;
    padding: 0;
    margin: 0 0 1.75rem;
}
.slots-fieldset legend {
    font-weight: 600;
    margin-bottom: 0.9rem;
    padding: 0;
}
.slot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
    gap: 0.6rem;
}
/* Chaque créneau : radio masquée + libellé cliquable façon bouton. */
.slot-chip { position: relative; }
.slot-chip input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.slot-chip span {
    display: block;
    text-align: center;
    padding: 0.6rem 0.4rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
    font-variant-numeric: tabular-nums;
}
.slot-chip span:hover { border-color: var(--color-accent); }
.slot-chip input:checked + span {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #14100a;
    font-weight: 600;
}
.slot-chip input:focus-visible + span {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Confirmation de réservation */
.booking-confirm h3 { margin-bottom: 0.5rem; }
.booking-recap {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}
.booking-recap li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}
.booking-recap li span { color: var(--color-muted); }
.booking-note { color: var(--color-muted); font-size: 0.95rem; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
    .nav-toggle { display: flex; }

    .form-row { grid-template-columns: 1fr; }

    /*
      Tableau des prix en mode "carte" sur mobile :
      chaque ligne devient une carte, chaque cellule affiche son intitulé
      (repris depuis l'attribut data-label).
    */
    .pricing-table thead { display: none; }
    .pricing-table,
    .pricing-table tbody,
    .pricing-table tr,
    .pricing-table td { display: block; width: 100%; }
    .pricing-table tr {
        margin-bottom: 1.25rem;
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        overflow: hidden;
    }
    .pricing-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        text-align: right;
    }
    .pricing-table td.cell-formule { display: block; text-align: left; }
    .pricing-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-muted);
        text-align: left;
    }
    .pricing-table td.cell-formule::before { content: none; }
    .pricing-table .cell-prix { text-align: right; }

    .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }
    .main-nav.open { max-height: 420px; }
    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 1.25rem 1.25rem;
    }
    .main-nav li { padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); }
    .main-nav li:last-child { border-bottom: none; padding-top: 1rem; }
    .btn-nav { display: block; }
}