/* ==============================================================
   NotebookStock — спільна "рамка" сторінки: reset, шапка, футер, кнопки.
   Підключати ПІСЛЯ tokens.css.
   ============================================================== */

*{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;max-width:100vw;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;font-size:16px;
  -webkit-text-size-adjust:100%}
img,svg{max-width:100%;display:block}
a{color:inherit}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;
  border-radius:0 0 8px 0;z-index:1000;font-size:0.85rem;font-weight:700}
.skip-link:focus{left:0}

/* Логотип */
.logo{display:inline-flex;align-items:center;text-decoration:none;flex-shrink:0}
.site-logo-svg{height:28px;width:auto;display:block}
.logo-notebook{fill:var(--text);transition:fill .2s}
.logo-stock{fill:var(--brand);transition:fill .2s}

/* Header */
header{position:sticky;top:0;z-index:1002;transition:background-color .2s,box-shadow .2s}
header::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:0;pointer-events:none}
header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,#FFFFFF 0%,#888e9254 50%,#FFFFFF 100%);pointer-events:none;z-index:1}
.header-inner{max-width:var(--content-max);margin:0 auto;padding:0 20px;height:80px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1003;background:transparent}

nav.main-nav{display:none} /* На мобільних показуємо toggle */
.hnav-btn{display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:var(--radius-btn,40px);height:40px;
  font-family:var(--font-display);font-size:13px;font-weight:400;line-height:140%;letter-spacing:0.03em;text-decoration:none;white-space:nowrap;transition:transform .15s,background-color .2s,border-color .2s,color .2s,box-shadow .2s}
.hnav-btn-outline{width:122px;border:1px solid var(--violet);color:var(--violet);background:transparent}
.hnav-btn-filled{width:116px;background:var(--violet);color:#fff;border:1px solid var(--violet)}
@media (hover: hover) and (pointer: fine){
  .hnav-btn-outline:hover{background:var(--violet-soft);border-color:var(--violet)}
  .hnav-btn-filled:hover{background:var(--violet-hover);border-color:var(--violet-hover);box-shadow:var(--shadow-btn-violet)}
}
.hnav-btn:active{transform:scale(0.97)}
.hnav-btn:focus-visible{outline:2px solid var(--violet);outline-offset:2px}

.header-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;min-width:40px;min-height:40px;border-radius:50%;
  border:1.5px solid var(--violet);background:var(--bg);color:var(--violet);font-size:20px;cursor:pointer;position:relative;z-index:1006;transition:all .2s ease}
.nav-toggle:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.nav-toggle:active{transform:scale(0.92)}
.nav-toggle .ti-x{display:none}
.nav-toggle.active,.nav-toggle[aria-expanded="true"]{background:var(--violet);color:#fff;border-color:var(--violet)}
.nav-toggle.active .ti-menu-2{display:none}
.nav-toggle.active .ti-x{display:inline-flex}

.svg-icon{display:inline-block;width:1em;height:1em;vertical-align:-0.15em;fill:currentColor;flex-shrink:0}
.svg-icon-viber{width:1.15em;height:1.15em}

/* Мобільне меню (за макетом Mobile [main] Menu) */
.mobile-menu{display:none}
.mobile-backdrop{display:none}
.mobile-menu.open{display:flex;position:fixed;top:64px;right:0;left:auto;width:min(340px,92vw);max-width:calc(100vw - 24px);
  max-height:calc(100dvh - 64px);flex-direction:column;gap:clamp(20px,4vh,36px);background:#ffffff;border-radius:0 0 0 20px;
  border-left:1px solid var(--border,#DDE6EB);border-bottom:1px solid var(--border,#DDE6EB);
  padding:clamp(24px,5vh,36px) clamp(20px,5vw,28px) max(28px,env(safe-area-inset-bottom,28px));
  box-shadow:var(--shadow-drawer,-4px 12px 32px rgba(0,0,0,0.08));z-index:1005;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;box-sizing:border-box}
html.mobile-menu-open,body.mobile-menu-open{overflow:hidden !important;height:100% !important;overscroll-behavior:none !important}
.mobile-menu.open ~ .mobile-backdrop{display:block;position:fixed;inset:64px 0 0 0;z-index:1004;
  background:rgba(31,28,34,0.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);cursor:pointer;touch-action:none;overscroll-behavior:contain}

.mobile-menu-links{display:flex;flex-direction:column;gap:12px;width:100%}
.mobile-menu-links a{display:flex;align-items:center;justify-content:center;height:44px;min-height:44px;border-radius:var(--radius-btn,40px);padding:0 16px;
  font-family:var(--font-display);font-size:14px;font-weight:400;line-height:140%;text-decoration:none;box-sizing:border-box;width:100%;transition:transform .15s ease,background-color .2s,box-shadow .2s}
.mobile-menu-links a:active{transform:scale(0.97)}
.mobile-menu-contact{border:1px solid var(--violet);color:var(--violet);background:transparent}
.mobile-menu-catalog{background:var(--violet);color:#fff;border:1px solid var(--violet)}
@media (hover: hover) and (pointer: fine){
  .mobile-menu-contact:hover{background:var(--violet-soft)}
  .mobile-menu-catalog:hover{background:var(--violet-hover);box-shadow:var(--shadow-btn-violet)}
}

.mobile-menu-phones{display:flex;flex-direction:column;gap:10px;width:100%}
.mobile-phone-row{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:12px;min-height:36px;width:100%}
.mobile-phone-link{font-family:var(--font-display);font-size:clamp(14px,4.2vw,16px);font-weight:400;line-height:140%;letter-spacing:0.02em;color:var(--text);text-decoration:none;transition:color .15s ease}
.mobile-phone-link:hover{color:var(--violet)}
.mobile-phone-icons{display:inline-flex;align-items:center;gap:6px}
.mobile-phone-icons a{color:#1F1C22;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;min-height:36px;border-radius:50%;transition:transform .15s,color .15s}
.mobile-phone-icons a:hover{color:var(--violet);transform:scale(1.1)}
.mobile-phone-icons a:active{transform:scale(0.92)}
.mobile-phone-icons svg{width:22px;height:22px}

.mobile-menu-address{font-family:var(--font-display);font-size:clamp(13px,3.8vw,15px);font-weight:400;line-height:140%;letter-spacing:0.02em;color:var(--text);width:100%}

.mobile-menu-socials{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:clamp(8px,3vw,32px);width:100%;height:44px;border:none;padding:0;margin:0}
.mobile-menu-socials a{color:#1F1C22;width:44px;height:44px;min-width:44px;min-height:44px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s,color .15s}
.mobile-menu-socials a:hover{color:var(--violet);transform:scale(1.1)}
.mobile-menu-socials a:active{transform:scale(0.92)}
.mobile-menu-socials svg{width:28px;height:28px}

/* Загальні кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:var(--radius-pill);
  font-family:var(--font-display);font-size:15px;font-weight:600;text-decoration:none;min-height:48px;transition:all .2s ease}
.btn:active{transform:scale(0.98)}
.btn-primary{background:var(--violet);color:#fff;border:none}
.btn-secondary{background:var(--bg2);color:var(--text);border:1px solid var(--border)}
.btn-dark{background:var(--black);color:#fff;border:none}
.btn-lime{background:var(--brand);color:var(--brand-foreground);border:none}
.btn:disabled{background:var(--bg3);color:var(--text3);cursor:not-allowed;opacity:.7}

/* Футер — фіксовано темний #1F1C22 */
footer{background:var(--black);color:#fff;padding:40px 20px}
.footer-inner{max-width:var(--content-max);margin:0 auto;display:flex;flex-direction:column;gap:24px;align-items:center;text-align:center}
.footer-logo{display:flex;align-items:center;justify-content:center}
footer .site-logo-svg{height:24px;margin:0 auto}
footer .logo-notebook{fill:#ffffff}
footer .logo-stock{fill:var(--brand)}
.footer-links{display:flex;gap:24px;justify-content:center}
.footer-links a{font-family:var(--font-display);font-size:14px;font-weight:600;color:#fff;text-decoration:none;transition:color .2s ease,opacity .2s ease,transform .15s ease}
.footer-links a:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px}
.footer-links a:active{transform:scale(0.97)}
.footer-copy{font-family:var(--font-display);font-size:14px;font-weight:300;line-height:160%;letter-spacing:0.02em;color:#ffffff}

/* Hover-ефекти лише для пристроїв із мишкою (запобігає залипанню на тач-екранах) */
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover{background:var(--violet-hover)}
  .btn-lime:hover{background:var(--brand-hover)}
  .footer-links a:hover{color:var(--brand);opacity:1}
  .scroll-to-top-btn:hover {
    background: var(--violet-hover, #8330EE);
    transform: translateY(-2px);
  }
}

/* Адаптивність (Range Syntax 2026) */
@media (width >= 768px){
  .header-inner{height:80px;padding:0 clamp(20px,3vw,40px)}
  .site-logo-svg{height:24px}
  nav.main-nav{display:flex;flex-direction:row;align-items:center;gap:clamp(12px,1.5vw,20px);height:40px;margin-left:auto}
  .nav-toggle{display:none}
  .mobile-menu{display:none!important}
  footer{padding:0 20px;height:160px;display:flex;align-items:center}
  .footer-inner{flex-direction:row;justify-content:space-between;align-items:center;text-align:left;gap:0;width:100%;height:100%;max-width:var(--content-max);padding:0 clamp(0px,2vw,20px)}
  footer .footer-logo{justify-content:flex-start}
  footer .site-logo-svg{margin:0}
  .footer-links{display:none} /* На десктопі за макетом лише лого + копірайт */
  .footer-copy{font-size:14px}
}
@media (width < 768px){
  .header-inner{height:64px;padding:0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));width:100%;box-sizing:border-box}
  .site-logo-svg{height:20px;max-width:calc(100% - 48px)}
  .nav-toggle{width:40px;height:40px;min-width:40px;min-height:40px;font-size:18px;border:1.5px solid var(--violet);border-radius:50%}
  .mobile-menu.open{top:64px;max-height:calc(100dvh - 64px)}
  .mobile-menu.open ~ .mobile-backdrop{inset:64px 0 0 0}
  footer{padding:clamp(36px,8vw,48px) max(16px, env(safe-area-inset-right)) max(36px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));min-height:auto;display:flex;align-items:center;justify-content:center;width:100%;box-sizing:border-box}
  .footer-inner{flex-direction:column;gap:clamp(24px,6vw,40px);align-items:center;text-align:center;width:100%;max-width:100%;box-sizing:border-box}
  footer .footer-logo{width:100%;display:flex;justify-content:center;align-items:center}
  footer .site-logo-svg{height:16px;max-width:244px;margin:0 auto}
  .footer-links{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:clamp(16px,6vw,32px)}
  .footer-links a{font-family:var(--font-display);font-size:15px;font-weight:400;color:#FFFFFF;min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:6px 12px}
  .footer-copy{font-family:var(--font-display);font-size:12px;font-weight:300;line-height:140%;color:#FFFFFF;text-align:center}
}

/* Зручні тач-таргети для пальця (Pointer Coarse) */
@media (pointer: coarse) and (width < 768px) {
  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
  }
}

/* Scroll to Top floating action button */
.scroll-to-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--violet, #9747FF);
  color: #FFFFFF;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(151, 71, 255, 0.35);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, background-color 0.2s ease;
}

.scroll-to-top-btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.scroll-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top-btn:active {
  transform: scale(0.92);
}

@media (width <= 640px) {
  .scroll-to-top-btn {
    bottom: max(24px, calc(env(safe-area-inset-bottom) + 16px));
    right: max(16px, env(safe-area-inset-right));
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}

html.filter-drawer-open .scroll-to-top-btn,
body.filter-drawer-open .scroll-to-top-btn {
  display: none !important;
}