/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --accent: #ff6b35;
  --accent-dark: #e85a24;
  --accent-rgb: 255,107,53;
  --bg: #0d0d0f;
  --bg2: #141417;
  --bg3: #1a1a1f;
  --card: #1c1c22;
  --card-hover: #222230;
  --border: rgba(255,255,255,.08);
  --text: #f0f0f0;
  --text2: #888;
  --text3: #555;
  --wa: #25d366;
  --wa-dark: #1da851;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
  --glow: 0 0 40px rgba(var(--accent-rgb),.2);
  --transition: .2s ease;
}
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,13,15,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header.scrolled { background: rgba(13,13,15,.98); }
.header-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { font-size: 1rem; font-weight: 900; letter-spacing: .3em; text-transform: uppercase; background: linear-gradient(135deg, #fff 0%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; flex-shrink: 0; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-size: .875rem; font-weight: 500; color: var(--text2); transition: color var(--transition); letter-spacing: .03em; }
.main-nav a:hover { color: var(--text); }
.header-actions { display: flex; gap: 6px; align-items: center; }
.btn-icon { background: none; border: none; padding: 8px; border-radius: var(--radius-sm); color: var(--text2); display: flex; align-items: center; justify-content: center; transition: all var(--transition); position: relative; }
.btn-icon:hover { background: var(--bg3); color: var(--text); }
.cart-count { position: absolute; top: 1px; right: 1px; background: var(--accent); color: #fff; font-size: .6rem; font-weight: 800; border-radius: 50%; width: 16px; height: 16px; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.cart-count.bump { animation: bump .3s ease; }
@keyframes bump { 0%,100%{transform:scale(1)} 50%{transform:scale(1.4)} }
.search-bar { display: none; padding: 12px 24px; border-top: 1px solid var(--border); background: var(--bg2); }
.search-bar.open { display: block; animation: slideDown .2s ease; }
@keyframes slideDown { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:none} }
.search-inner { max-width: 560px; margin: 0 auto; display: flex; gap: 8px; }
.search-inner input { flex: 1; background: var(--bg3); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: .9rem; color: var(--text); outline: none; transition: border var(--transition); }
.search-inner input:focus { border-color: var(--accent); }
.search-inner input::placeholder { color: var(--text3); }

/* ===== HERO ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--bg); }
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .6; }
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.hero-shoe-wrap { position: absolute; right: 18%; top: 45%; transform: translateY(-50%); width: min(420px, 45vw); height: min(420px, 45vw); pointer-events: none; z-index: 1; }
#shoeCanvas { width: 100%; height: 100%; }
.hero-content { position: relative; z-index: 2; text-align: left; padding: 120px 24px 80px; max-width: 1280px; margin: 0 auto; width: 100%; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .75rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); background: rgba(var(--accent-rgb),.1); border: 1px solid rgba(var(--accent-rgb),.2); padding: 6px 14px; border-radius: 50px; margin-bottom: 24px; }
.hero-content h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 900; line-height: 1.05; letter-spacing: -.03em; margin-bottom: 18px; max-width: 600px; }
.hero-content h1 .line2 { background: linear-gradient(135deg, var(--accent), #ff9a62); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content p { font-size: 1.05rem; color: var(--text2); margin-bottom: 40px; max-width: 460px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-hero { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: .95rem; transition: all var(--transition); box-shadow: 0 4px 24px rgba(var(--accent-rgb),.35); }
.btn-hero:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(var(--accent-rgb),.5); }
.btn-hero-ghost { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--text); padding: 14px 28px; border-radius: 50px; font-weight: 600; font-size: .95rem; border: 1.5px solid var(--border); transition: all var(--transition); }
.btn-hero-ghost:hover { border-color: var(--wa); color: var(--wa); }
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 5px; z-index: 2; }
.hero-scroll span { display: block; width: 2px; height: 8px; background: var(--text3); border-radius: 1px; animation: scrollAnim 1.4s ease-in-out infinite; }
.hero-scroll span:nth-child(2) { animation-delay: .15s; }
.hero-scroll span:nth-child(3) { animation-delay: .3s; }
@keyframes scrollAnim { 0%,100%{opacity:.2;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.5)} }

/* ===== SECTION HEADING ===== */
.section-heading { text-align: center; margin-bottom: 48px; }
.section-heading.left { text-align: left; }
.section-heading h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; letter-spacing: -.02em; margin-bottom: 10px; }
.section-heading p { color: var(--text2); font-size: 1rem; }
.text-accent { background: linear-gradient(135deg, var(--accent), #ff9a62); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===== CATÁLOGO ===== */
.catalogo { padding: 100px 0 80px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* FILTROS */
.filtros-wrap { margin-bottom: 40px; }
.filtros-row { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-end; }
.filtros-group { display: flex; flex-direction: column; gap: 10px; }
.filtros-right { margin-left: auto; }
.filter-label { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text3); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--bg3); border: 1.5px solid var(--border); border-radius: 50px; padding: 7px 16px; font-size: .8rem; font-weight: 600; color: var(--text2); transition: all var(--transition); white-space: nowrap; }
.chip:hover { border-color: rgba(var(--accent-rgb),.4); color: var(--text); }
.chip.active { background: rgba(var(--accent-rgb),.15); border-color: var(--accent); color: var(--accent); }
.select-order { background: var(--bg3); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 8px 14px; font-size: .82rem; color: var(--text2); cursor: pointer; outline: none; transition: border var(--transition); }
.select-order:focus { border-color: var(--accent); }
.select-order option { background: var(--bg2); }

/* GRID */
.productos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.producto-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.producto-card.hidden { display: none; }
.producto-card.reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease, box-shadow var(--transition), border-color var(--transition); }
.producto-card.reveal.visible { opacity: 1; transform: translateY(0); }
.producto-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,.5), var(--glow); border-color: rgba(var(--accent-rgb),.2); }
.producto-img { position: relative; aspect-ratio: 1; background: var(--bg2); overflow: hidden; }
.producto-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.producto-card:hover .producto-img img { transform: scale(1.08); }
.producto-badges { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 4px; }
.badge-dest { display: inline-block; background: var(--accent); color: #fff; font-size: .65rem; font-weight: 800; padding: 3px 9px; border-radius: 4px; text-transform: uppercase; letter-spacing: .05em; }
.badge-oferta { display: inline-block; background: #ef4444; color: #fff; font-size: .65rem; font-weight: 800; padding: 3px 9px; border-radius: 4px; text-transform: uppercase; }
.producto-marca-tag { position: absolute; bottom: 8px; right: 8px; background: rgba(0,0,0,.7); color: #fff; font-size: .65rem; font-weight: 700; padding: 3px 8px; border-radius: 4px; backdrop-filter: blur(4px); }
.producto-overlay { position: absolute; inset: 0; background: rgba(var(--accent-rgb),.85); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.producto-overlay span { color: #fff; font-weight: 700; font-size: .85rem; letter-spacing: .05em; text-transform: uppercase; }
.producto-card:hover .producto-overlay { opacity: 1; }
.producto-info { padding: 16px; }
.producto-cat { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); display: block; margin-bottom: 6px; }
.producto-nombre { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: 12px; line-height: 1.3; }
.producto-footer { display: flex; align-items: center; justify-content: space-between; }
.producto-precios { display: flex; flex-direction: column; }
.precio-desde { font-size: .65rem; color: var(--text3); text-transform: uppercase; letter-spacing: .05em; }
.producto-precio { font-size: 1rem; font-weight: 800; color: var(--text); }
.btn-ver { background: var(--bg2); border: 1.5px solid var(--border); color: var(--text2); border-radius: var(--radius-sm); padding: 6px 12px; font-size: .78rem; font-weight: 600; transition: all var(--transition); }
.btn-ver:hover { border-color: var(--accent); color: var(--accent); background: rgba(var(--accent-rgb),.08); }
.sin-stock { font-size: .78rem; color: var(--text3); }
.no-resultados { grid-column: 1/-1; text-align: center; padding: 60px; color: var(--text2); font-size: 1rem; }

/* ===== CONTACTO ===== */
.contacto { background: var(--bg2); padding: 100px 0; border-top: 1px solid var(--border); }
.contacto-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.contacto-items { display: flex; flex-direction: column; gap: 18px; margin: 28px 0 32px; }
.contacto-item { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: var(--text2); }
.ci-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.contacto-item a { color: var(--accent); font-weight: 600; }
.redes { display: flex; gap: 10px; }
.red-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--bg3); border: 1px solid var(--border); color: var(--text2); display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.red-icon:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.mapa { border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
.mapa-placeholder { aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; }
.mapa-empty { text-align: center; color: var(--text3); }
.mapa-empty span { font-size: 2.5rem; display: block; margin-bottom: 10px; }
.mapa-empty p { font-size: .85rem; }

/* ===== FOOTER ===== */
.footer { background: #080809; border-top: 1px solid var(--border); padding: 40px 24px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.footer-logo { font-size: .9rem; font-weight: 900; letter-spacing: .3em; background: linear-gradient(135deg, #fff, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-slogan { font-size: .82rem; color: var(--text3); }
.footer-copy { font-size: .75rem; color: var(--text3); margin-top: 4px; }

/* ===== CARRITO ===== */
.cart-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.7); opacity: 0; pointer-events: none; transition: opacity .3s; backdrop-filter: blur(4px); }
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-panel { position: fixed; top: 0; right: 0; z-index: 201; width: min(420px, 100vw); height: 100vh; background: var(--bg2); border-left: 1px solid var(--border); display: flex; flex-direction: column; transform: translateX(100%); transition: transform .3s cubic-bezier(.4,0,.2,1); }
.cart-panel.open { transform: none; }
.cart-header { display: flex; align-items: center; justify-content: space-between; padding: 22px 22px 18px; border-bottom: 1px solid var(--border); }
.cart-header h2 { font-size: 1rem; font-weight: 800; }
.cart-items { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.cart-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; gap: 12px; color: var(--text3); }
.cart-empty span { font-size: 2.5rem; }
.cart-empty p { font-size: .875rem; }
.cart-item { display: flex; gap: 12px; align-items: center; padding: 12px; background: var(--bg3); border-radius: 10px; border: 1px solid var(--border); }
.cart-item-img { width: 58px; height: 58px; border-radius: 8px; overflow: hidden; flex-shrink: 0; background: var(--bg); }
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-nombre { font-size: .85rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-meta { font-size: .72rem; color: var(--text3); margin-top: 2px; }
.cart-item-precio { font-size: .82rem; color: var(--accent); font-weight: 700; margin-top: 3px; }
.cart-item-controls { display: flex; align-items: center; gap: 6px; margin-top: 7px; }
.qty-btn { width: 24px; height: 24px; border-radius: 6px; border: 1.5px solid var(--border); background: var(--bg2); color: var(--text); font-size: .9rem; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.qty-num { font-size: .85rem; font-weight: 700; min-width: 22px; text-align: center; }
.btn-remove { background: none; border: none; color: var(--text3); font-size: 1rem; padding: 4px; margin-left: auto; transition: color var(--transition); }
.btn-remove:hover { color: #ef4444; }
.cart-footer { padding: 16px 16px 24px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; }
.cart-total { display: flex; justify-content: space-between; align-items: center; padding: 4px 0; }
.cart-total span { font-size: .85rem; color: var(--text2); }
.cart-total strong { font-size: 1.25rem; font-weight: 800; color: var(--accent); }
.btn-vaciar { background: none; border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px; font-size: .82rem; color: var(--text2); transition: all var(--transition); }
.btn-vaciar:hover { border-color: #ef4444; color: #ef4444; }
.btn-whatsapp { background: var(--wa); color: #fff; border: none; border-radius: var(--radius-sm); padding: 14px; font-size: .9rem; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 8px; transition: all var(--transition); box-shadow: 0 4px 20px rgba(37,211,102,.25); }
.btn-whatsapp:hover { background: var(--wa-dark); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(37,211,102,.4); }

/* ===== MODAL PRODUCTO ===== */
.modal-overlay { position: fixed; inset: 0; z-index: 300; background: rgba(0,0,0,.8); opacity: 0; pointer-events: none; transition: opacity .3s; backdrop-filter: blur(8px); }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-product { position: fixed; top: 50%; left: 50%; z-index: 301; transform: translate(-50%, -50%) scale(.94); width: min(900px, calc(100vw - 32px)); max-height: calc(100vh - 40px); background: var(--bg2); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; overflow-y: auto; opacity: 0; pointer-events: none; transition: all .3s cubic-bezier(.4,0,.2,1); }
.modal-product.open { opacity: 1; pointer-events: all; transform: translate(-50%, -50%) scale(1); }
.modal-inner { display: grid; grid-template-columns: 1fr 1.1fr; min-height: 480px; }
.modal-image-wrap { position: relative; background: var(--bg3); }
.modal-image-wrap img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }
.modal-badges { position: absolute; top: 14px; left: 14px; display: flex; flex-direction: column; gap: 4px; }
.modal-close { position: absolute; top: 16px; right: 16px; z-index: 10; background: rgba(0,0,0,.5); border: none; color: #fff; width: 34px; height: 34px; border-radius: 50%; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: background var(--transition); backdrop-filter: blur(4px); }
.modal-close:hover { background: rgba(255,100,50,.8); }
.modal-info { padding: 28px 28px 24px; display: flex; flex-direction: column; overflow-y: auto; }
.modal-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.modal-cat { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); background: rgba(var(--accent-rgb),.1); padding: 3px 10px; border-radius: 50px; }
.modal-marca { font-size: .7rem; font-weight: 700; color: var(--text2); background: var(--bg3); padding: 3px 10px; border-radius: 50px; }
.modal-nombre { font-size: 1.4rem; font-weight: 900; margin-bottom: 8px; line-height: 1.2; }
.modal-desc { font-size: .85rem; color: var(--text2); margin-bottom: 20px; line-height: 1.6; }

/* PRICE TIERS */
.precio-tiers { margin-bottom: 20px; }
.tier-title { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text3); margin-bottom: 10px; }
.tier-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tier-opt { cursor: pointer; }
.tier-opt input { display: none; }
.tier-card { border: 1.5px solid var(--border); border-radius: 10px; padding: 10px 8px; text-align: center; transition: all var(--transition); background: var(--bg3); display: flex; flex-direction: column; gap: 4px; }
.tier-opt input:checked + .tier-card { border-color: var(--accent); background: rgba(var(--accent-rgb),.1); }
.tier-card:hover { border-color: rgba(var(--accent-rgb),.4); }
.tier-range { font-size: .65rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; }
.tier-name { font-size: .72rem; font-weight: 600; color: var(--text2); }
.tier-price { font-size: .9rem; font-weight: 800; color: var(--text); }
.tier-opt input:checked + .tier-card .tier-price { color: var(--accent); }
.tier-opt.disabled { opacity: .4; pointer-events: none; }

/* TALLAS */
.tallas-section { margin-bottom: 20px; }
.tallas-title { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text3); margin-bottom: 10px; }
.tallas-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.talla-btn { min-width: 44px; height: 40px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg3); color: var(--text2); font-size: .85rem; font-weight: 700; transition: all var(--transition); padding: 0 10px; }
.talla-btn:hover { border-color: rgba(var(--accent-rgb),.5); color: var(--text); }
.talla-btn.selected { background: var(--accent); border-color: var(--accent); color: #fff; }
.talla-hint { font-size: .78rem; color: #ef4444; margin-top: 8px; }
.modal-actions { display: flex; gap: 10px; margin-top: auto; }
.btn-modal-comprar { flex: 1; background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 14px 18px; font-size: .9rem; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 8px; transition: all var(--transition); box-shadow: 0 4px 20px rgba(var(--accent-rgb),.3); cursor: pointer; }
.btn-modal-comprar:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(var(--accent-rgb),.5); }
.btn-modal-agregar { background: var(--bg3); color: var(--text); border: 1.5px solid var(--border); border-radius: 10px; padding: 14px 18px; font-size: .9rem; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 6px; transition: all var(--transition); cursor: pointer; white-space: nowrap; }
.btn-modal-agregar:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float { position: fixed; bottom: 24px; right: 24px; z-index: 150; width: 56px; height: 56px; border-radius: 50%; background: var(--wa); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,.4); transition: all var(--transition); animation: waPulse 3s ease infinite; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,.6); animation: none; }
@keyframes waPulse { 0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.4)} 50%{box-shadow:0 4px 40px rgba(37,211,102,.7)} }

/* ===== ANIMATIONS ===== */
@keyframes floatY { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:none} }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-shoe-wrap { display: none; }
  .hero-content { text-align: center; }
  .hero-btns { justify-content: center; }
  .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .modal-inner { grid-template-columns: 1fr; }
  .modal-image-wrap { max-height: 260px; }
  .tier-options { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .productos-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .hero-content { padding: 100px 16px 60px; }
  .tier-options { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 400px) {
  .tier-options { grid-template-columns: 1fr; }
}