/* Clean responsive rules. Mobile navigation breakpoint is 1360px and matches js/main.js. */

@media (max-width: 1500px) and (min-width: 1361px) {
  .nav-wrap { min-height: 84px; gap: 18px; padding: 14px 0; }
  .brand { max-width: 178px; }
  .brand img { width: 176px; }
  .main-nav { gap: 3px; }
  .nav-link,
  .dropdown-button { min-height: 44px; font-size: 12px; padding: 11px 7px; }
  .nav-actions { gap: 8px; margin-left: 10px; padding-left: 10px; }
  .nav-actions .btn { min-height: 44px; padding: 11px 12px; font-size: 12px; }
}

@media (max-width: 1360px) {
  body.nav-open {
    overflow: hidden;
    overscroll-behavior: contain;
    touch-action: none;
  }

  .nav-wrap {
    min-height: 84px;
    padding: 15px 0;
    justify-content: space-between;
    gap: 18px;
  }

  .brand { max-width: 196px; }
  .brand img { width: 190px; max-width: 100%; }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    flex: 0 0 auto;
    width: 50px;
    height: 50px;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 8px 22px rgba(25, 54, 66, .08);
  }

  .menu-toggle span { width: 26px; margin: 4px auto; }

  .main-nav {
    position: fixed;
    z-index: 1100;
    top: var(--mobile-nav-top, 122px);
    left: 18px;
    right: 18px;
    bottom: auto;
    width: auto;
    max-height: calc(100dvh - var(--mobile-nav-top, 122px) - 16px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 24px 70px rgba(24, 54, 67, .22);
    border-radius: 24px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px) scale(.985);
    transition: opacity .22s ease, visibility .22s ease, transform .22s ease;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 6px auto;
    flex: 0 0 auto;
  }

  .nav-link,
  .dropdown-button {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    min-height: 50px;
    font-size: 15px;
    padding: 14px 15px;
    border-radius: 15px;
  }

  .nav-dropdown { width: 100%; }
  .nav-dropdown::after { display: none; }
  .dropdown-button::after { margin-left: auto; }

  /* Important: on mobile, hover must NOT open the submenu. Only .open opens it. */
  .nav-dropdown:not(.open):hover .dropdown-menu,
  .nav-dropdown:not(.open):focus-within .dropdown-menu {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-dropdown:not(.open):hover .dropdown-button,
  .nav-dropdown:not(.open):focus-within .dropdown-button {
    background: none;
    color: var(--ink);
  }

  .nav-dropdown:not(.open):hover .dropdown-button::after,
  .nav-dropdown:not(.open):focus-within .dropdown-button::after {
    transform: none;
  }

  .dropdown-menu {
    position: static;
    top: auto;
    left: auto;
    min-width: 0;
    box-shadow: none;
    border: 0;
    background: var(--blue-soft);
    margin: 4px 0 0;
    padding: 0 6px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: none;
    transition: max-height .24s ease, opacity .18s ease, visibility .18s ease, padding .18s ease;
  }

  .nav-dropdown.open .dropdown-menu {
    max-height: 380px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    padding: 6px;
  }

  .nav-dropdown.open .dropdown-button {
    background: var(--blue-soft);
    color: var(--blue-dark);
  }

  .nav-dropdown.open .dropdown-button::after { transform: rotate(180deg); }

  .main-nav .dropdown-link {
    padding: 13px 14px;
    font-size: 15px;
    border-radius: 13px;
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 14px;
    margin-top: 10px;
  }

  .nav-actions .btn {
    width: 100%;
    max-width: none;
    min-height: 50px;
    font-size: 15px;
    padding: 14px 18px;
  }

  .topbar-inner { justify-content: center; flex-wrap: wrap; }
  .cards.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr; }

  .mobile-menu-backdrop {
    display: block;
    position: fixed;
    inset: var(--mobile-nav-top, 122px) 0 0 0;
    z-index: 900;
    background: rgba(23, 55, 71, .42);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
  }

  .mobile-menu-backdrop.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

@media (max-width: 900px) {
  .cards.two { grid-template-columns: 1fr; }
  .mini-cta { flex-direction: column; align-items: flex-start; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid figure:first-child { grid-row: auto; grid-column: 1 / -1; }
  .video-panel { grid-template-columns: 1fr; }
  .image-strip { grid-template-columns: 1fr; gap: 14px; }
  .image-strip figure { min-height: 230px; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, var(--container)); }
  .topbar { font-size: .93rem; }
  .topbar span { display: none; }
  .topbar-inner { gap: 14px; padding: 9px 0; font-size: .84rem; }
  .brand { max-width: 182px; }
  .brand img { width: 182px; }
  .nav-wrap { min-height: 78px; padding: 12px 0; }
  .main-nav {
    left: 14px;
    right: 14px;
    border-radius: 20px;
    padding: 14px;
    max-height: calc(100dvh - var(--mobile-nav-top, 110px) - 14px);
  }
  .home-hero, .page-hero { min-height: 560px; }
  .page-hero { min-height: 460px; }
  .home-hero .hero-content, .page-hero .hero-content { margin-left: 14px; margin-right: 14px; }
  .hero-content h1 { font-size: 2.65rem; }
  .hero-content p { font-size: 1.02rem; }
  .hero-actions, .cta-inner { flex-direction: column; align-items: flex-start; }
  .home-hero .hero-content { padding-bottom: 104px; }
  .hero-video-controlbar {
    left: 14px;
    right: auto;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 18px);
    justify-content: flex-start;
    max-width: calc(100% - 28px);
  }
  .video-sound-btn, .video-mute-btn {
    width: auto;
    max-width: 100%;
    min-width: 0;
  }
  .section { padding: 62px 0; }
  .split, .split.reverse, .feature-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .split.reverse img { order: 0; }
  .cards.three, .cards.four, .check-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .card > img { height: 230px; }
  .btn { width: 100%; max-width: 340px; }
  .nav-actions .btn, .contact-form .btn, .center .btn, .narrow .btn { max-width: 100%; }
  .cta-band { padding: 48px 0; }
  .contact-form, .audio-card { padding: 22px; }
  .price-value { font-size: 2.3rem; }
}

@media (max-width: 600px) {
  .photo-grid { grid-template-columns: 1fr; gap: 14px; }
  .photo-grid figure, .photo-grid img { min-height: 220px; }
}

@media (max-width: 420px) {
  .brand { max-width: 168px; }
  .brand img { width: 168px; }
  .menu-toggle { width: 48px; height: 48px; }
  .hero-content h1 { font-size: 2.25rem; }
  .hero-content p { font-size: 1rem; }
  .topbar-inner { font-size: .8rem; gap: 10px; }
  .card-body { padding: 20px; }
  .video-sound-btn, .video-mute-btn { max-width: calc(100vw - 28px); min-height: 46px; font-size: .88rem; padding: 12px 16px; }
}

@media (max-width: 1360px) {
  .main-nav .nav-dropdown.open .dropdown-menu {
    max-height: 380px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    padding: 6px;
  }
  .main-nav .nav-dropdown.open .dropdown-button {
    background: var(--blue-soft);
    color: var(--blue-dark);
  }
  .main-nav .nav-dropdown.open .dropdown-button::after { transform: rotate(180deg); }
}