/* =============================================================
   TAO KOSHI — Design System partagé (vitrine + espace adhérents)
   Charte : rouge soleil levant / noir encre, Oswald + Poppins.
   Inspiré des patterns du site SNCF GAMING (variables, composants,
   accessibilité RGAA), réinterprété pour un club d'arts martiaux.
   ============================================================= */

/* ---------- TOKENS ---------- */
:root {
  /* Marque */
  --red:        #E63621;   /* rouge soleil levant (logo) — fonds/bordures décoratives */
  --red-deep:   #B02617;   /* fond de bouton + texte blanc (contraste AA : 6.7:1) */
  --red-text:   #F2553F;   /* rouge porteur de texte/glyphes sur fond sombre (AA ≥ 4.5:1) */
  --red-soft:   #2a1210;   /* rouge très sombre opaque (fonds) */
  --red-border: rgba(230, 54, 33, .55);

  /* Encre / fonds */
  --ink:    #0c0c0f;       /* fond global */
  --ink-2:  #16161c;       /* carte */
  --ink-3:  #1f1f27;       /* carte forte / hover */
  --ink-4:  #2a2a34;
  --paper:  #f6f2ea;       /* sections claires éventuelles */

  /* Texte */
  --text:       #f5f3ef;
  --text-soft:  rgba(245, 243, 239, .82);
  --text-muted: rgba(245, 243, 239, .55);
  --on-light:   #16161c;

  /* Bordures */
  --border:        rgba(255, 255, 255, .10);
  --border-strong: rgba(255, 255, 255, .20);

  /* Ceintures (jaune → orange → verte → bleue) */
  --belt-blanche: #e9e4da;
  --belt-jaune:   #F4C20D;
  --belt-orange:  #E8731C;
  --belt-verte:   #1FA463;
  --belt-bleue:   #2E72D2;
  --belt-marron:  #8a5a2b;
  --belt-noire:   #111;

  /* Tokens sémantiques */
  --ok-bg: #13301c;     --ok-text: #bfe6c6;   --ok-border: #2c8a4a;
  --warn-bg: #322509;   --warn-text: #f3d27f; --warn-border: #c79a23;
  --danger-bg: #331212; --danger-text: #f0a3a0; --danger-border: #d6463f;

  /* Mesures */
  --maxw: 1140px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, .35);
  --ring: 0 0 0 2px var(--red);

  --font-head: 'Oswald', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Poppins', 'Segoe UI', Arial, sans-serif;

  /* Surfaces dérivées (permet le theming) */
  --surface-alt: #0a0a0d;     /* sections alternées */
  --header-bg: rgba(10,10,13,.92);
  --bar-bg: #08080b;          /* topbar / footer / sidebar */
}

/* ===== THÈME CLAIR ===== */
html[data-theme="light"] {
  --red-text:   #B02617;      /* rouge lisible sur fond clair (AA) */
  --red-soft:   #fdeae6;
  --red-border: rgba(176, 38, 23, .35);

  --ink:    #f4f0e8;          /* fond global */
  --ink-2:  #ffffff;          /* carte */
  --ink-3:  #ece6db;          /* carte forte / hover */
  --ink-4:  #e1d9cb;
  --paper:  #ffffff;

  --text:       #1c1c22;
  --text-soft:  rgba(28, 28, 34, .82);
  --text-muted: rgba(28, 28, 34, .62);
  --on-light:   #1c1c22;

  --border:        rgba(0, 0, 0, .12);
  --border-strong: rgba(0, 0, 0, .22);

  --ok-bg: #e3f3e7;     --ok-text: #1c6b34;   --ok-border: #2c8a4a;
  --warn-bg: #fbeecf;   --warn-text: #8a6300; --warn-border: #c79a23;
  --danger-bg: #fbe3e2; --danger-text: #a3231d; --danger-border: #d6463f;

  --shadow: 0 18px 50px rgba(0, 0, 0, .14);
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, .10);

  --surface-alt: #ece6db;
  --header-bg: rgba(255, 255, 255, .92);
  --bar-bg: #ece6db;
}
html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

/* ---------- BARRES DE DÉFILEMENT (charte du site) ---------- */
/* Firefox */
* { scrollbar-width: thin; scrollbar-color: var(--red) var(--ink-2); }
/* Chromium / WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--ink-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--red), var(--red-deep));
  border-radius: 10px; border: 3px solid var(--ink-2);
}
::-webkit-scrollbar-thumb:hover { background: var(--red); }
::-webkit-scrollbar-corner { background: var(--ink-2); }

/* ---------- RESET / BASE ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--ink); overflow-x: clip; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- TRANSITION DE PAGE ---------- */
/* Rideau de transition « soleil levant ». Présent dans le HTML de chaque page,
   il couvre l'écran dès le 1er rendu (pas de flash), puis se retire en fondu.
   - Toutes les pages : fondu rouge à l'arrivée + au départ (marche partout, file:// inclus).
   - 1er chargement de la session : intro TAO KOSHI complète. */
#pt-overlay {
  position: fixed; inset: 0; z-index: 9999; opacity: 0; visibility: hidden; pointer-events: none;
  display: grid; place-items: center;
  background: radial-gradient(circle at 50% 42%, #E63621 0%, #B02617 38%, #0c0c0f 100%);
}
/* Arrivée (toutes les pages) : le rideau couvre (rouge plein + texte « TAO KOSHI ») dès le 1er
   rendu. Le fondu de sortie n'est lancé QUE lorsque les polices sont prêtes (classe .pt-reveal
   posée en JS) : le gros texte est alors déjà dans sa police définitive pendant tout le fondu,
   donc il ne se recompose pas → plus de « saut » juste avant la disparition.
   Replis : sans JS (html:not(.js)) le fondu part seul ; en JS un garde-fou force .pt-reveal. */
#pt-overlay.pt-boot { opacity: 1; visibility: visible; }
#pt-overlay.pt-boot .pt-logo { display: flex; opacity: 1; }
#pt-overlay.pt-boot.pt-reveal { animation: pt-fade-out .6s ease forwards; }
html:not(.js) #pt-overlay.pt-boot { animation: pt-fade-out .6s ease forwards; }
/* Départ sur navigation interne : rideau + texte apparaissent en fondu (géré en JS).
   L'état final (rouge plein + texte opacité 1) est IDENTIQUE à l'état initial de l'arrivée
   → la bascule d'une page à l'autre est continue, sans saut d'image ni de texte. */
#pt-overlay.pt-leave { opacity: 1; visibility: visible; pointer-events: all; animation: pt-fade-in .42s ease forwards; }
#pt-overlay.pt-leave .pt-logo { display: flex; opacity: 1; }
@keyframes pt-fade-out { from { opacity: 1; } to { opacity: 0; visibility: hidden; } }
@keyframes pt-fade-in  { from { opacity: 0; } to { opacity: 1; } }
/* Intro TAO KOSHI : uniquement au tout premier chargement de la session. */
html.pt-first #pt-overlay.pt-boot { animation: pt-intro 2.9s cubic-bezier(.76,0,.24,1) forwards; }
html.pt-first #pt-overlay.pt-boot .pt-logo { display: flex; opacity: 1; animation: pt-logo-intro 2.9s cubic-bezier(.22,.61,.36,1) forwards; }
#pt-overlay .pt-logo {
  display: flex; flex-direction: column; align-items: center; gap: .55em;
  opacity: 0; text-align: center;
}
#pt-overlay .pt-word {
  font-family: var(--font-head); font-weight: 700; text-transform: uppercase; letter-spacing: 8px;
  font-size: clamp(28px, 7vw, 60px); color: #fff; line-height: 1; text-shadow: 0 6px 26px rgba(0,0,0,.45);
}
#pt-overlay .pt-word b { color: #15151b; font-weight: 700; opacity: 1; text-shadow: 0 2px 10px rgba(0,0,0,.25); }
#pt-overlay .pt-sub {
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: 5px; font-size: clamp(10px, 1.9vw, 15px); color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
/* Intro de lancement : le rideau monte et le texte émerge du fond du rouge en s'approchant. */
@keyframes pt-intro { 0% { transform: translateY(0); } 68% { transform: translateY(0); } 100% { transform: translateY(-100%); } }
@keyframes pt-logo-intro {
  0%   { opacity: 0; transform: scale(.25); filter: blur(8px); }
  50%  { opacity: 1; transform: scale(1.05); filter: blur(0); }
  62%  { transform: scale(1); }
  72%  { opacity: 1; transform: scale(1); filter: blur(0); }
  90%  { opacity: 0; transform: scale(1.18); filter: blur(2px); }
  100% { opacity: 0; }
}

/* ---------- EFFET RIPPLE + RETOUR TACTILE AU CLIC ---------- */
.btn, .social-btn, .nav-item, .belt-chip, .theme-toggle, .reveal-phone,
.gallery-filters button, .topbar-ico { position: relative; overflow: hidden; }
.tk-ripple {
  position: absolute; border-radius: 50%; transform: translate(-50%, -50%) scale(0);
  background: rgba(255, 255, 255, .45); pointer-events: none; width: 12px; height: 12px;
  animation: tk-ripple .55s ease-out forwards; mix-blend-mode: overlay;
}
@keyframes tk-ripple { to { transform: translate(-50%, -50%) scale(18); opacity: 0; } }
.btn:active, .social-btn:active, .nav-item:active, .belt-chip:active,
.theme-toggle:active, .gallery-filters button:active, .reveal-phone:active,
.card--hover:active, a.activity:active, .fiche:active { transform: scale(.96); }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.1; letter-spacing: .5px; }

/* ---------- UTILITAIRES ACCESSIBILITÉ (RGAA) ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--red); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 4px; }

/* ---------- LAYOUT ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 92px 0; position: relative; scroll-margin-top: 96px; }
.section--tight { padding: 60px 0; }
.section--paper { background: var(--paper); color: var(--on-light); }
.section--paper .text-muted { color: rgba(22,22,28,.6); }

/* ---------- EN-TÊTE DE SECTION ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: 3px; font-size: 13px; color: var(--red-text);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--red); display: inline-block; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 46px); text-transform: uppercase; letter-spacing: 1px;
}
.section-head p { margin-top: 16px; color: var(--text-muted); font-size: 17px; }
.section--paper .eyebrow { color: var(--red-deep); }

/* ---------- BOUTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px;
  font-size: 14px; padding: 14px 28px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  background: var(--red-deep); color: #fff; box-shadow: 0 8px 24px rgba(230,54,33,.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(230,54,33,.5); }
.btn:active { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border-strong); box-shadow: none; }
.btn--ghost:hover { background: rgba(255,255,255,.06); border-color: var(--text); box-shadow: none; }
.btn--light { background: #fff; color: var(--on-light); box-shadow: var(--shadow-sm); }
.btn--small { padding: 10px 18px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; filter: grayscale(.3); }

/* ---------- CARTES ---------- */
.card {
  background: var(--ink-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card--hover:hover { transform: translateY(-6px); border-color: var(--red-border); box-shadow: var(--shadow); }
.card__icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--red-soft); border: 1px solid var(--red-border); color: var(--red-text);
  font-size: 26px; margin-bottom: 18px;
}
.card h3 { font-size: 22px; text-transform: uppercase; margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 15px; }

/* ---------- GRILLES ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- BADGES / PASTILLES ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  font-size: 11px; padding: 5px 12px; border-radius: 999px;
  background: var(--ink-3); border: 1px solid var(--border); color: var(--text-soft);
}
.belt-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 0 2px rgba(0,0,0,.3); }
.belt-jaune  { background: var(--belt-jaune); }
.belt-orange { background: var(--belt-orange); }
.belt-verte  { background: var(--belt-verte); }
.belt-bleue  { background: var(--belt-bleue); }

/* ---------- ENCARTS SÉMANTIQUES ---------- */
.note { border-left: 4px solid; border-radius: 8px; padding: 14px 18px; font-size: 14.5px; }
.note--ok { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok-text); }
.note--warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn-text); }
.note--danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger-text); }

/* ---------- MENUS DÉROULANTS (select) ---------- */
/* Supprime l'apparence native Windows et applique la charte du site. */
select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-color: var(--ink-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 13px 44px 13px 15px;
  font-family: var(--font-body); font-size: 15px; line-height: 1.4;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E63621' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  background-size: 15px;
}
select:hover { border-color: var(--text); }
select:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(230,54,33,.18); }
/* Liste déroulée : fond sombre (supporté Chrome/Edge/Firefox sur Windows) */
select option { background: var(--ink-2); color: var(--text); }
select option:checked { background: var(--red-deep); color: #fff; }

/* ---------- TOAST ---------- */
#toast {
  position: fixed; left: 50%; bottom: 28px;
  transform: translate(-50%, calc(100% + 28px));
  opacity: 0; visibility: hidden;
  background: var(--ink-3); color: var(--text); border: 1px solid var(--border-strong);
  padding: 14px 22px; border-radius: 12px; font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow); z-index: 600; max-width: 90vw;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .3s ease, visibility 0s linear .35s;
}
#toast.show {
  transform: translate(-50%, 0); opacity: 1; visibility: visible;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .3s ease, visibility 0s;
}
#toast.err { border-color: var(--danger-border); background: var(--danger-bg); color: var(--danger-text); }

/* ---------- BOUTON RETOUR EN HAUT ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 350;
  width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer;
  display: grid; place-items: center; padding: 0;
  background: var(--ink-3); color: var(--text);
  opacity: 0; visibility: hidden; transform: translateY(24px) scale(.7);
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
  transition: opacity .3s ease, transform .35s cubic-bezier(.2,.8,.2,1), background .2s ease, visibility 0s linear .35s;
}
.to-top.show {
  opacity: 1; visibility: visible; transform: translateY(0) scale(1);
  transition: opacity .3s ease, transform .35s cubic-bezier(.2,.8,.2,1), background .2s ease, visibility 0s;
}
/* Anneau de progression de lecture (conic-gradient masqué en anneau) */
.to-top::before {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  background: conic-gradient(var(--red) calc(var(--p, 0) * 1%), rgba(255,255,255,.12) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  pointer-events: none;
}
.to-top .arrow { position: relative; transition: transform .25s ease; }
.to-top:hover { background: var(--red-deep); color: #fff; transform: translateY(-3px) scale(1.05); }
.to-top:hover .arrow { transform: translateY(-3px); animation: tt-bounce .6s ease infinite; }
@keyframes tt-bounce { 0%,100% { transform: translateY(-3px); } 50% { transform: translateY(-6px); } }
@media (max-width: 600px) { .to-top { right: 16px; bottom: 16px; width: 46px; height: 46px; } }

/* ---------- ANIMATIONS APPARITION ---------- */
/* Fallback : sans JS, le contenu reste visible. Masqué uniquement si .js est présent. */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* ---------- SPINNER ---------- */
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.3); border-top-color: #fff;
  display: inline-block; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- SÉLECTEUR DE LANGUE ---------- */
.lang-switch { position: relative; }
.lang-switch > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink-2); border: 1px solid var(--border-strong); color: var(--text);
  border-radius: 999px; padding: 6px 12px; font-family: var(--font-head); font-weight: 600;
  letter-spacing: 1px; font-size: 13px; white-space: nowrap;
  transition: border-color .18s, background .18s;
}
.lang-switch > summary::-webkit-details-marker { display: none; }
.lang-switch > summary:hover { border-color: var(--red); }
.lang-switch .lang-caret { font-size: 10px; opacity: .7; }
.flag-img {
  width: 22px; height: 15px; border-radius: 2px; object-fit: cover; vertical-align: middle;
  box-shadow: 0 0 0 1px rgba(0,0,0,.15); flex-shrink: 0;
}
.lang-switch .lang-current { display: inline-flex; align-items: center; gap: 6px; }
.lang-menu {
  position: fixed; z-index: 9998; min-width: 180px;
  background: var(--ink-2); border: 1px solid var(--border-strong); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; list-style: none; margin: 0;
}
.lang-menu li { list-style: none; margin: 0; }
.lang-menu button {
  width: 100%; display: flex; align-items: center; gap: 8px; text-align: left;
  background: none; border: 0; color: var(--text); cursor: pointer; padding: 9px 10px;
  border-radius: 8px; font-family: var(--font-body); font-size: 14px;
}
.lang-menu button:hover { background: var(--ink-3); }
.lang-menu button[aria-current="true"] { color: var(--red-text); font-weight: 600; }
.lang-menu .lang-name { color: var(--text-muted); font-size: 12px; margin-left: auto; }

/* ---------- BASCULE DE THÈME ---------- */
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer; flex-shrink: 0;
  display: inline-grid; place-items: center; padding: 0;
  background: var(--ink-2); border: 1px solid var(--border-strong); color: var(--text);
  transition: transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.theme-toggle:hover { transform: translateY(-2px) rotate(-12deg); border-color: var(--red); color: var(--red-text); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .ico-sun { display: none; }
.theme-toggle .ico-moon { display: block; }
html[data-theme="light"] .theme-toggle .ico-sun { display: block; }
html[data-theme="light"] .theme-toggle .ico-moon { display: none; }

/* Section au fond alterné (gère le theming) */
.section--alt { background: var(--surface-alt); }

/* ---------- REPÈRE ANIMÉ « RETOUR AU SITE » (pointe vers le logo) ---------- */
.brand-back { display: flex; align-items: center; gap: 10px; }
.back-hint {
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
  color: var(--red-text); font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: 1px; font-size: 13px; padding: 4px 6px; border-radius: 8px;
}
.back-hint .ba-arrow { animation: ba-bounce 1.3s ease-in-out infinite; }
.back-hint .ba-text { animation: ba-pulse 1.3s ease-in-out infinite; }
.back-hint:hover { color: var(--red-deep); background: var(--red-soft); }
.back-hint:hover .ba-text { text-decoration: underline; }
.back-hint:hover .ba-arrow, .back-hint:focus-visible .ba-arrow { animation-play-state: paused; transform: translateX(-4px); }
@keyframes ba-bounce { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-7px); } }
@keyframes ba-pulse { 0%, 100% { opacity: .6; } 50% { opacity: 1; } }
@media (max-width: 520px) { .back-hint .ba-text { display: none; } }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--bar-bg); border-top: 1px solid var(--border); padding: 56px 0 28px; }
.site-footer a { color: var(--text-muted); transition: color .18s; }
.site-footer a:hover { color: var(--red); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-grid h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; color: var(--text); margin-bottom: 16px; font-family: var(--font-head); }
.footer-grid ul { list-style: none; display: grid; gap: 10px; font-size: 14px; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px 0; }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .btn { width: 100%; }
  .hero-actions .btn { width: auto; }
}