/* =======================================================================
   BCAN — Billard Club Amboise Nazelles
   Design system : bleu nuit + or, ambiance "salle de billard sous la lampe"
   Signature : diamants de bande + boules numérotées
   ======================================================================= */

:root {
    --nuit:        #001a33;
    --nuit-800:    #0a1526;
    --nuit-700:    #0c2033;
    --surface:     #10243c;
    --surface-2:   #16304d;
    --bord:        #24425f;
    --or:          #FFD700;
    --or-clair:    #FFE87A;
    --feutre:      #17a06a;
    --texte:       #eaf1f8;
    --texte-doux:  #9fb4ca;
    --blanc:       #ffffff;
    --radius:      14px;
    --radius-sm:   10px;
    /* Hauteur reelle de la navbar (logo 42px + paddings + bordure).
       Sert de reference unique : body, hero et ancres s'y alignent. */
    --nav-h:       86px;
    --ombre:       0 10px 30px rgba(0,0,0,.45);
    --ombre-or:    0 8px 26px rgba(255,215,0,.18);
    --ease:        cubic-bezier(.22,.61,.36,1);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
/* Taille de reference abaissee (16px -> 15px) : tout le site etant en rem,
   cela reduit proportionnellement textes, boutons et espacements. */
html { scroll-behavior: smooth; font-size: 15px; }
body {
    font-family: 'Open Sans', system-ui, sans-serif;
    background:
        radial-gradient(1200px 600px at 50% -10%, #0c2b4a 0%, transparent 60%),
        var(--nuit-800);
    color: var(--texte);
    line-height: 1.65;
    padding-top: var(--nav-h);
    overflow-x: hidden;
}
h1,h2,h3,h4,h5,h6 {
    font-family: 'Poppins', system-ui, sans-serif;
    font-weight: 700;
    color: var(--blanc);
    line-height: 1.15;
    letter-spacing: -.01em;
}
p { color: var(--texte); }
a { color: var(--or); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--or-clair); }
img { max-width: 100%; }
::selection { background: var(--or); color: #10131a; }

.container { max-width: 1140px; }

/* Accessibilité : focus visible */
a:focus-visible, button:focus-visible, .btn:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible,
.accordion-button:focus-visible {
    outline: 3px solid var(--or);
    outline-offset: 2px;
    box-shadow: none;
}

/* ---------- Eyebrow + titres de section ---------- */
.eyebrow {
    display: inline-flex; align-items: center; gap: .55rem;
    font-family: 'Poppins', sans-serif; font-weight: 600;
    font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--or); margin-bottom: .9rem;
}
.eyebrow::before {
    content: ""; width: 9px; height: 9px; background: var(--or);
    transform: rotate(45deg); display: inline-block;
}
.section-title {
    font-size: clamp(1.7rem, 3.2vw, 2.5rem);
    margin-bottom: 1rem;
}
.section-head { margin-bottom: clamp(1.4rem, 2.2vw, 2rem); }
.lead-2 { color: var(--texte-doux); font-size: 1.08rem; max-width: 620px; }

/* Sections */
/* Espacement vertical adaptatif : compact sur grand ecran, aere sur mobile */
.section { padding: clamp(2.5rem, 4.5vw, 3.75rem) 0; position: relative; }
.section--serre { padding-top: clamp(1.5rem, 2.5vw, 2.25rem); }
.section--alt { background: linear-gradient(180deg, var(--nuit) 0%, var(--nuit-700) 100%); }

/* Frise de diamants (signature) */
.rail {
    height: 22px; width: 100%;
    background-image: radial-gradient(var(--or) 0 1px, transparent 1.5px);
    /* fallback ligne */
    display: flex; align-items: center; justify-content: center; gap: 14px;
    background: none;
}
.rail::before {
    content: "◆ ◆ ◆ ◆ ◆ ◆ ◆ ◆ ◆";
    letter-spacing: 14px; color: var(--or); opacity: .55; font-size: .6rem;
}

/* ---------- Navbar ---------- */
.navbar {
    background: rgba(0, 20, 40, .72) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,215,0,.12);
    transition: background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
    padding-top: .7rem; padding-bottom: .7rem;
}
.navbar.scrolled {
    background: rgba(0, 15, 30, .95) !important;
    box-shadow: 0 6px 24px rgba(0,0,0,.4);
}
.navbar-brand {
    font-family: 'Poppins', sans-serif; font-weight: 700;
    font-size: 1.3rem; color: var(--blanc) !important;
    display: flex; align-items: center; gap: .6rem;
}
.navbar-brand img { filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.navbar-brand .brand-sub {
    display: block; font-size: .62rem; font-weight: 600; letter-spacing: .18em;
    color: var(--or); text-transform: uppercase; margin-top: -3px;
}
.nav-link {
    color: var(--texte-doux) !important;
    font-weight: 600; font-size: .96rem;
    position: relative; padding: .4rem .9rem !important;
    transition: color .2s var(--ease);
}
.nav-link::after {
    content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .1rem;
    height: 2px; background: var(--or); transform: scaleX(0); transform-origin: left;
    transition: transform .25s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--blanc) !important; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.navbar-toggler { border-color: rgba(255,215,0,.4); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,215,0,.4); }

/* ---------- Boutons ---------- */
.btn { font-family: 'Poppins', sans-serif; font-weight: 600; border-radius: 50px;
       padding: .7rem 1.6rem; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease); }
.btn-or {
    background: linear-gradient(135deg, var(--or), #f6b800);
    color: #10131a !important; border: none; box-shadow: var(--ombre-or);
}
.btn-or:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,215,0,.32); color:#10131a; }
.btn-ghost {
    background: transparent; color: var(--or) !important;
    border: 1.5px solid rgba(255,215,0,.55);
}
.btn-ghost:hover { background: rgba(255,215,0,.1); border-color: var(--or); transform: translateY(-2px); }
.btn-wa { background: #25D366; color: #fff !important; border: none; }
.btn-wa:hover { background: #1fbb59; transform: translateY(-2px); color:#fff; }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: min(88vh, 660px); display: flex; align-items: center;
    text-align: left; overflow: hidden;
    /* Le hero remonte sous la navbar transparente puis compense sa hauteur
       reelle, plus une marge pour que le badge ne colle pas au menu. */
    margin-top: calc(var(--nav-h) * -1);
    padding-top: calc(var(--nav-h) + 1.5rem);
    padding-bottom: 2.5rem;
}
.hero__bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('../images/svg/hero.svg') center/cover no-repeat;
}
.hero__bg::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(0,10,20,.85) 0%, rgba(0,15,30,.55) 55%, rgba(0,15,30,.15) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.3rem); font-weight: 700; margin-bottom: 1.2rem;
    text-shadow: 0 4px 24px rgba(0,0,0,.5);
}
.hero h1 .gold { color: var(--or); }
.hero .lead { font-size: clamp(1.05rem, 2vw, 1.35rem); color: #dbe6f2; max-width: 560px; margin-bottom: 2rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero__badge {
    display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.4rem;
    padding: .4rem .9rem; border: 1px solid rgba(255,215,0,.35); border-radius: 50px;
    font-size: .82rem; font-weight: 600; color: var(--or); letter-spacing: .04em;
    background: rgba(255,215,0,.06);
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.stat { text-align: center; padding: .9rem .8rem; }
.stat__num {
    font-family: 'Poppins', sans-serif; font-weight: 700;
    font-size: clamp(2.2rem, 4vw, 3.1rem); color: var(--or); line-height: 1;
}
.stat__label { color: var(--texte-doux); font-size: .92rem; margin-top: .5rem; letter-spacing: .02em; }
@media (max-width: 640px){ .stats { grid-template-columns: repeat(2,1fr);} }

/* ---------- Cartes ---------- */
.card {
    background: var(--surface); border: 1px solid var(--bord);
    border-radius: var(--radius); box-shadow: var(--ombre);
    transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
    height: 100%;
}
.card:hover { transform: translateY(-6px); border-color: rgba(255,215,0,.45); }

/* Colonne contenant plusieurs cartes empilees : sans cela, chaque carte
   reclame 100% de la hauteur de la colonne etiree et deborde. */
.card-stack { display: flex; flex-direction: column; gap: 1.5rem; }
.card-stack > .card { height: auto; flex: 0 0 auto; margin-bottom: 0; }
.card .card-icon {
    width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
    background: rgba(255,215,0,.12); color: var(--or); font-size: 1.35rem; margin-bottom: 1rem;
}
.card h3, .card .card-title { color: var(--blanc); }

/* Carte "feature" avec numéro de boule */
.ball-badge {
    width: 40px; height: 40px; border-radius: 50%; display: inline-grid; place-items: center;
    font-family: 'Poppins', sans-serif; font-weight: 700; color: #10131a;
    background: radial-gradient(circle at 35% 30%, #fff 0%, var(--or) 35%, #e0a800 100%);
    box-shadow: 0 3px 10px rgba(0,0,0,.4);
}

/* ---------- Galerie ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 992px){ .gallery { grid-template-columns: repeat(3,1fr);} }
@media (max-width: 640px){ .gallery { grid-template-columns: repeat(2,1fr);} }
.gallery__item {
    position: relative; border-radius: var(--radius-sm); overflow: hidden;
    aspect-ratio: 4/3; border: 1px solid var(--bord); cursor: pointer;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .5s var(--ease); }
.gallery__item::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(0,10,20,.55));
    opacity: 0; transition: opacity .3s var(--ease);
}
.gallery__item:hover img { transform: scale(1.08); }
.gallery__item:hover::after { opacity: 1; }

/* ---------- Partenaires ---------- */
.partner-logo {
    max-height: 74px; filter: grayscale(100%) brightness(.9) opacity(.7);
    transition: filter .3s var(--ease), transform .3s var(--ease);
}
.partner-logo:hover { filter: grayscale(0%) brightness(1) opacity(1); transform: translateY(-3px); }

/* ---------- Accordéon FAQ ---------- */
.accordion { --bs-accordion-bg: transparent; }
.accordion-item { background: var(--surface); border: 1px solid var(--bord) !important;
    border-radius: var(--radius-sm) !important; margin-bottom: .8rem; overflow: hidden; }
.accordion-button {
    background: var(--surface) !important; color: var(--blanc) !important;
    font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1.02rem;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) { color: var(--or) !important; background: var(--surface-2) !important; }
.accordion-button::after {
    filter: invert(78%) sepia(60%) saturate(1200%) hue-rotate(1deg) brightness(103%);
}
.accordion-body { color: var(--texte-doux); }

/* ---------- List-group (presse, liens) ---------- */
.list-tile {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    background: var(--surface); border: 1px solid var(--bord);
    border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; margin-bottom: .8rem;
    transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}
.list-tile:hover { border-color: rgba(255,215,0,.45); transform: translateX(4px); background: var(--surface-2); }
.list-tile h5 { margin: 0; color: var(--blanc); font-size: 1.05rem; }
.list-tile p { margin: .2rem 0 0; color: var(--texte-doux); font-size: .9rem; }

/* ---------- Formulaire ---------- */
.form-control, .form-select {
    background: var(--nuit-700); border: 1px solid var(--bord); color: var(--texte);
    border-radius: var(--radius-sm); padding: .75rem 1rem;
}
.form-control::placeholder { color: #6f849b; }
.form-control:focus, .form-select:focus {
    background: var(--nuit-700); border-color: var(--or); color: var(--texte);
    box-shadow: 0 0 0 3px rgba(255,215,0,.18);
}
.form-label { color: var(--texte-doux); font-weight: 600; font-size: .9rem; }

/* Message flash */
.flash {
    border-radius: var(--radius-sm); padding: 1rem 1.2rem; margin-bottom: 1.4rem;
    border: 1px solid; font-weight: 600;
}
.flash-success { background: rgba(23,160,106,.12); border-color: rgba(23,160,106,.5); color: #6ee7b0; }

/* ---------- En-tête de page (pages internes) ---------- */
.page-head {
    position: relative; padding: clamp(2.25rem, 3.8vw, 3.25rem) 0 clamp(1.75rem, 3vw, 2.5rem); text-align: center;
    background:
        radial-gradient(700px 260px at 50% -30%, rgba(255,215,0,.10), transparent 70%),
        linear-gradient(180deg, var(--nuit) 0%, var(--nuit-800) 100%);
    border-bottom: 1px solid rgba(255,215,0,.12);
}
.page-head h1 { font-size: clamp(2rem, 4vw, 3rem); }
.page-head p { color: var(--texte-doux); max-width: 620px; margin: .8rem auto 0; }

/* ---------- Carte / iframe ---------- */
.map-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--bord); box-shadow: var(--ombre); }
/* Version reduite, utilisee en colonne laterale */
.map-frame--mini { max-height: 220px; }
.map-frame--mini iframe { filter: saturate(.85) brightness(.92); }

/* ---------- Bouton Facebook ---------- */
.btn-fb { background: #1877F2; color: #fff !important; border: none; }
.btn-fb:hover { background: #1462c9; transform: translateY(-2px); color: #fff; }

/* ---------- Boutons flottants (pile verticale) ---------- */
.flottants {
    position: fixed; bottom: 26px; right: 26px; z-index: 1000;
    display: flex; flex-direction: column-reverse; gap: .8rem;
}
.btn-flottant {
    position: relative;
    width: 56px; height: 56px; border-radius: 50%;
    color: #fff; display: grid; place-items: center;
    font-size: 1.7rem; box-shadow: 0 8px 24px rgba(0,0,0,.45);
    transition: transform .2s var(--ease);
}
.btn-flottant:hover { transform: scale(1.08); color: #fff; }
.btn-flottant--wa { background: #25D366; }
.btn-flottant--fb { background: #1877F2; }
.btn-flottant--wa::before,
.btn-flottant--fb::before {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
}
.btn-flottant--wa::before {
    box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: wa-pulse 2.4s infinite;
}
/* Decalage pour que les deux halos ne pulsent pas a l'unisson */
.btn-flottant--fb::before {
    box-shadow: 0 0 0 0 rgba(24,119,242,.5); animation: fb-pulse 2.4s infinite .8s;
}
@keyframes wa-pulse { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.45);} 70%{box-shadow:0 0 0 16px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }
@keyframes fb-pulse { 0%{box-shadow:0 0 0 0 rgba(24,119,242,.45);} 70%{box-shadow:0 0 0 16px rgba(24,119,242,0);} 100%{box-shadow:0 0 0 0 rgba(24,119,242,0);} }

/* ---------- Footer ---------- */
footer.site-footer {
    background: linear-gradient(180deg, var(--nuit-800) 0%, #050c16 100%);
    border-top: 1px solid rgba(255,215,0,.15); color: var(--texte-doux);
    padding: 3.2rem 0 1.6rem;
}
footer.site-footer h5 { color: var(--blanc); font-size: 1rem; letter-spacing: .04em; margin-bottom: 1rem; }
footer.site-footer a { color: var(--texte-doux); }
footer.site-footer a:hover { color: var(--or); }
.footer-social a {
    width: 40px; height: 40px; border-radius: 10px; display: inline-grid; place-items: center;
    border: 1px solid var(--bord); color: var(--texte-doux); margin-right: .5rem;
    transition: all .25s var(--ease);
}
.footer-social a:hover { border-color: var(--or); color: var(--or); transform: translateY(-3px); }
.admin-link { font-size: .8rem; opacity: .25; color: var(--texte-doux); }
.admin-link:hover { opacity: .8; color: var(--or); }
.footer-bottom { border-top: 1px solid var(--bord); margin-top: 2.2rem; padding-top: 1.4rem;
    display: flex; flex-wrap: wrap; gap: .6rem; justify-content: space-between; align-items: center; }

/* ---------- Animations reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .btn-flottant--wa::before,
    .btn-flottant--fb::before { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px){
    .navbar { background: rgba(0,15,30,.97) !important; }
    .hero { min-height: 80vh; text-align: center; }
    .hero__cta { justify-content: center; }
    .hero .lead { margin-left: auto; margin-right: auto; }
    .hero__bg::after { background: linear-gradient(180deg, rgba(0,10,20,.75), rgba(0,15,30,.85)); }
}