@supports (-webkit-touch-callout: none){body{min-height:-webkit-fill-available;padding-bottom:env(safe-area-inset-bottom)}.site-header{padding-top:env(safe-area-inset-top)}}*{-webkit-tap-highlight-color:transparent}button,a,input,select,textarea{touch-action:manipulation}@media(max-width:900px){.site-header{height:auto;padding:.8rem 1rem}.header-container{height:auto}.brand-name{font-size:1.35rem;letter-spacing:.08em}.brand-tagline{font-size:.55rem;letter-spacing:.18em}.main-nav{position:fixed;top:60px;left:0;width:100%;height:calc(100vh - 60px);background-color:var(--bg-primary);flex-direction:column;align-items:flex-start;padding:2rem;gap:1.5rem;transform:translate(-100%);transition:transform var(--transition-normal);z-index:99;overflow-y:auto;box-shadow:var(--shadow-xl)}.main-nav.mobile-open{transform:translate(0)}.nav-link{font-size:1.15rem;font-family:var(--font-serif);width:100%;padding:.6rem 0;border-bottom:1px solid var(--border-light)}.mobile-menu-toggle{display:flex;min-width:44px;min-height:44px;align-items:center;justify-content:center}.announcement-bar{font-size:.72rem;padding:.4rem .8rem;flex-wrap:wrap;gap:.5rem}.hero-section{padding:2.5rem 0 3.5rem}.hero-grid{grid-template-columns:1fr;gap:2rem}.hero-heading{font-size:2.2rem;line-height:1.15}.hero-description{font-size:.95rem;margin-bottom:1.8rem}.hero-cta-group{flex-direction:column;width:100%;gap:.8rem}.hero-cta-group .btn{width:100%;min-height:48px}.hero-stats-row{gap:1.5rem;justify-content:space-between}.hero-stat-item .stat-num{font-size:1.6rem}.paintings-grid{grid-template-columns:1fr;gap:2rem}.gallery-controls-bar{flex-direction:column;align-items:stretch;gap:1rem}.gallery-filter-tabs{overflow-x:auto;white-space:nowrap;padding-bottom:.5rem;-webkit-overflow-scrolling:touch}.gallery-search-sort{flex-direction:column;width:100%}.search-input-wrap,.art-search-input,.filter-select{width:100%!important}.studio-grid,.workshops-grid{grid-template-columns:1fr;gap:2rem;padding:1.2rem}.mixer-inputs-grid{grid-template-columns:1fr}.modal-overlay{padding:0;align-items:flex-end}.modal-dialog{max-height:92vh;border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:1.5rem}.classroom-modal-body,.artwork-modal-grid,.checkout-modal-body{grid-template-columns:1fr;padding:1rem;gap:1.5rem}.artwork-modal-visual{padding:1.5rem .5rem}.zoom-container{max-height:300px}.cart-drawer-pane{max-width:100%}.form-row-grid,.wire-field-grid,.admin-form-grid-2,.admin-form-grid-3{grid-template-columns:1fr}.form-control,.btn{min-height:48px;font-size:16px}.vip-grid{grid-template-columns:1fr;gap:2rem}.newsletter-form{flex-direction:column}.newsletter-form .btn{width:100%;min-height:48px}.footer-grid{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}}