/* ==========================================================================
   bonesto.pro — responsive layer
   Breakpoints: 1200 / 1024 / 900 / 768 / 560 / 400 / 340
   ========================================================================== */

@media (max-width: 1200px) {
  :root { --shell: 1040px; }
  .nav-list { gap: 1.05rem; }
  .nav-list a { font-size: .89rem; }
  .site-nav { gap: 1.1rem; }
}

/* ---- tablet landscape ---------------------------------------------------- */
@media (max-width: 1024px) {
  .brand-tag { display: none; }
  .nav-list { gap: .85rem; }
  .nav-list a { font-size: .85rem; }
  .header-cta { display: none; }
  .hero-grid { gap: 32px; }
  .foot-grid { grid-template-columns: 1fr 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
  .split { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---- mobile navigation --------------------------------------------------- */
@media (max-width: 900px) {
  body { font-size: 16px; }
  .header-inner { min-height: 64px; gap: 1rem; }
  .nav-toggle { display: block; }

  .site-nav {
    position: fixed; inset: 64px 0 auto 0;
    display: block; margin: 0; padding: 1.2rem var(--gutter) 1.8rem;
    background: rgba(11,17,28,.985);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    max-height: calc(100dvh - 64px); overflow-y: auto;
    transform: translateY(-14px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .2s ease, transform .22s ease, visibility .22s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list li { border-bottom: 1px solid var(--line-soft); }
  .nav-list a {
    display: block; padding: .95rem .2rem; font-size: 1.02rem;
    border-bottom: 0; border-left: 2px solid transparent; padding-left: .8rem;
  }
  .nav-list a:hover { border-bottom: 0; border-left-color: var(--celeste); }
  .nav-list a[aria-current="page"] { border-bottom: 0; border-left-color: var(--sun); }

  .nav-extras { justify-content: space-between; margin-top: 1.3rem; gap: .8rem; }
  .header-cta { display: inline-flex; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 300px; margin: 0 auto .4rem; }
  .offers { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---- tablet portrait ----------------------------------------------------- */
@media (max-width: 768px) {
  :root { --gutter: 18px; }
  .section { padding: 44px 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .toc ul { columns: 1; }
  .compare { font-size: .92rem; }
  .compare th, .compare td { padding: .8rem .95rem; }
  .faq-a { padding-right: 1.5rem; }
  .cookie-inner { flex-direction: column; align-items: stretch; gap: 1rem; }
  .cookie-actions { margin-left: 0; }
  .cookie-actions .btn { flex: 1; }
}

/* ---- phones -------------------------------------------------------------- */
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .hero-actions .btn, .err-links .btn { width: 100%; }
  .hero-note { width: 100%; justify-content: center; text-align: center; }
  .offer-top { flex-direction: column; gap: .7rem; }
  .subscribe-inline { grid-template-columns: 1fr; }
  .form-actions .btn { width: 100%; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  .foot-about { max-width: none; }
  .rule-list li { flex-direction: column; gap: .25rem; }
  .rule-list .rule-k { width: auto; }
  .cookie-banner { bottom: 10px; padding: 1rem; }
  .notice { flex-direction: column; gap: .8rem; }
  .form-success { flex-direction: column; gap: .8rem; }
  .verify { font-size: .64rem; letter-spacing: .1em; }
}

/* ---- small phones (320–400) ---------------------------------------------- */
@media (max-width: 400px) {
  :root { --gutter: 15px; --radius-lg: 20px; }
  .brand-text { font-size: 1.15rem; }
  .logo-mark { width: 30px; height: 30px; }
  .btn { padding: .85rem 1.2rem; font-size: .95rem; }
  .btn-lg { padding: 1rem 1.4rem; font-size: 1rem; }
  .lang-switch { padding: .25rem .45rem; }
  .offer { padding: 20px 17px; }
  .form-panel { padding: 20px 17px; }
  .compare { min-width: 520px; }
}

@media (max-width: 340px) {
  .brand-text { font-size: 1.02rem; }
  .nav-extras { flex-direction: column; align-items: stretch; }
  .nav-extras .lang-switch { justify-content: center; }
}

/* ---- large desktops ------------------------------------------------------ */
@media (min-width: 1600px) {
  :root { --shell: 1220px; }
  body { font-size: 18px; }
}

/* ---- print --------------------------------------------------------------- */
@media print {
  .site-header, .cookie-banner, .hero-art, .btn { display: none !important; }
  body { background: #fff; color: #111; }
  .offer, .panel, .card { border: 1px solid #ccc; box-shadow: none; }
}