/* 
  iGráfica Potiguar - Layout Premium "Branco / Clean"
  Baseado em UI minimalista (Apple/Vercel aesthetic)
*/

:root {
  --color-primary: #00A0E3; 
  --color-primary-dark: #0088C2;
  --color-dark: #0D1117;
  --color-gray-dark: #24292F;
  --color-gray: #6E7781;
  --color-light-gray: #F6F8FA;
  --color-white: #FFFFFF;
  --color-border: #D1D5DA;
  --color-border-subtle: #EAECEF;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --shadow-sm: 0 1px 3px rgba(13, 17, 23, 0.05);
  --shadow-md: 0 4px 12px rgba(13, 17, 23, 0.08);
  --shadow-lg: 0 12px 28px rgba(13, 17, 23, 0.12);
  --shadow-hover: 0 20px 40px rgba(0, 160, 227, 0.1);
  
  --radius-xs: 6px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-body);
  color: var(--color-gray-dark);
  background-color: var(--color-light-gray);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px; /* Mobile Nav Space */
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.text-center { text-align: center; }

h1, h2, h3, h4, .section-title-premium {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.bg-white { background-color: var(--color-white); }
.bg-light-gray { background-color: var(--color-light-gray); }
.bg-dark { background-color: var(--color-dark); }
.text-white { color: var(--color-white) !important; }

.k-section { padding: 80px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Filter to turn white logo into primary blue using CSS */
.logo-colored {
  filter: invert(47%) sepia(82%) saturate(2250%) hue-rotate(170deg) brightness(98%) contrast(104%);
  height: 30px;
}
@media (min-width: 768px) { .logo-colored { height: 35px; } }

/* Header */
.glass-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
}

.desktop-menu { display: none; }
.desktop-only { display: none; }

.header-actions { display: flex; align-items: center; gap: 15px; }

.cart-btn {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-light-gray);
  color: var(--color-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; transition: var(--transition); border: 1px solid var(--color-border-subtle);
}
.cart-btn:hover { background: var(--color-white); box-shadow: var(--shadow-sm); border-color: var(--color-border); }

.cart-badge {
  position: absolute; top: -5px; right: -5px;
  background: var(--color-primary); color: white;
  width: 20px; height: 20px; border-radius: 50%;
  font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 8px rgba(0,160,227,0.3);
}

.btn-outline-primary {
  border: 1px solid var(--color-border);
  padding: 8px 18px; border-radius: 30px; font-weight: 500; font-size: 14px;
  transition: var(--transition); background: transparent; color: var(--color-dark);
}
.btn-outline-primary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.hero-premium {
  position: relative;
  padding: 60px 20px 40px; /* Reduced bottom padding */
  text-align: center;
  background: var(--color-white);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-premium-bg {
  position: absolute;
  top: -70%; left: 50%;
  transform: translateX(-50%);
  width: 100vw; height: 100vw;
  background: radial-gradient(circle, rgba(0, 160, 227, 0.08) 0%, rgba(255,255,255,0) 70%);
  z-index: 0; pointer-events: none;
}

.hero-premium-content {
  position: relative; z-index: 2;
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
}

.chip-premium {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-light-gray); border: 1px solid var(--color-border-subtle);
  padding: 6px 16px; border-radius: 30px; font-size: 13px; font-weight: 500;
  color: var(--color-gray-dark); margin-bottom: 24px;
}
.pulse-dot {
  width: 8px; height: 8px; background: #2DA44E; border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(45, 164, 78, 0.4); animation: pulse 2s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 6px rgba(45, 164, 78, 0); } 100% { box-shadow: 0 0 0 0 rgba(45, 164, 78, 0); } }

.hero-title {
  font-size: 42px; line-height: 1.1; margin-bottom: 15px; /* Reduced gap */
}
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0056D2 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 16px; color: var(--color-gray); max-width: 500px; margin-bottom: 25px; font-weight: 400; /* Max width adjusted */
}

/* Hero Actions */
.hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 10px;
}
.hero-btn-outline {
  padding: 12px 24px; font-size: 14px; background: var(--color-light-gray); display: inline-block;
}

.hero-search-box, .catalog-search-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; padding: 6px;
  width: 100%; max-width: 500px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.hero-search-box:focus-within, .catalog-search-box:focus-within {
  border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(0,160,227,0.1);
}
.search-icon-premium { color: var(--color-gray); margin-left: 15px; font-size: 16px; }
.hero-search-box input, .catalog-search-box input {
  flex: 1; border: none; outline: none; padding: 12px 15px; font-size: 15px; font-family: inherit;
  background: transparent; color: var(--color-dark); min-width: 0;
}

.category-pills {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}
.cat-pill {
  padding: 8px 16px; border-radius: 30px; font-size: 13px; font-weight: 500;
  background: var(--color-light-gray); color: var(--color-gray-dark);
  border: 1px solid var(--color-border-subtle); transition: var(--transition);
}
.cat-pill:hover { border-color: var(--color-border); background: var(--color-white); }
.cat-pill.active {
  background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark);
}

.hero-visual-element {
  margin-top: 50px; position: relative; height: 180px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.floating-mockup {
  position: absolute; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); transition: var(--transition);
}
.floating-mockup.m1 { width: 220px; top: 10px; left: 10%; z-index: 2; transform: rotate(-5deg); border: 4px solid white; }
.floating-mockup.m2 { width: 280px; top: 30px; right: 5%; z-index: 1; transform: rotate(3deg); border: 4px solid white; filter: brightness(0.9); }

/* Header Features (Hero) */
.header-features {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 15px; margin-bottom: 30px;
}
.hf-item {
  background: var(--color-white); border: 1px solid var(--color-border-subtle);
  padding: 8px 16px; border-radius: 30px; font-size: 13px; font-weight: 500;
  display: flex; align-items: center; gap: 8px; color: var(--color-gray-dark);
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.hf-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-border); }
.text-blue { color: var(--color-primary) !important; }

/* Pagination */
.pagination-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-white); border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: var(--color-gray-dark);
  transition: var(--transition); cursor: pointer;
}
.pagination-btn:hover { background: var(--color-light-gray); }
.pagination-btn.active {
  background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark);
}
.pagination-btn:disabled {
  opacity: 0.4; cursor: not-allowed;
}

/* Category pills in Catalog */
.catalog-nav-wrapper {
  overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 15px;
  display: flex; justify-content: center;
}
.catalog-nav-wrapper::-webkit-scrollbar { display: none; }

/* Catalog Section */
.section-header-flex { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 30px; flex-wrap: wrap; gap: 20px;}
.section-title-premium { font-size: 28px; }
.section-subtitle-premium { font-size: 14px; color: var(--color-gray); margin-top: 5px; }

.toggle-group { display: flex; background: var(--color-light-gray); border-radius: 8px; padding: 4px; border: 1px solid var(--color-border-subtle); }
.tg-btn { padding: 6px 12px; border-radius: 6px; color: var(--color-gray); transition: 0.2s; }
.tg-btn.active { background: var(--color-white); color: var(--color-dark); box-shadow: var(--shadow-sm); }

/* Premium Grid Elements */
.premium-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.premium-grid.list-mode {
  display: flex; flex-direction: column; gap: 15px;
}

.p-card {
  background: var(--color-white); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border-subtle); transition: var(--transition);
  display: flex; flex-direction: column; cursor: pointer; position: relative;
}
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-border); }

.premium-grid.list-mode .p-card {
  flex-direction: row; align-items: center; border-radius: var(--radius-sm);
}

.p-img-box {
  height: 160px; width: 100%; background: var(--color-light-gray); position: relative; overflow: hidden;
}
.premium-grid.list-mode .p-img-box { width: 120px; height: 100%; min-height: 100px; border-right: 1px solid var(--color-border-subtle); }

.p-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.p-card:hover .p-img { transform: scale(1.05); }

.p-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(4px);
  padding: 4px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; color: var(--color-dark);
}

.p-info { padding: 15px; flex: 1; display: flex; flex-direction: column; }
.premium-grid.list-mode .p-info { flex-direction: row; align-items: center; justify-content: space-between; padding: 15px 20px; gap: 15px; }

.p-title { font-size: 14px; color: var(--color-dark); font-weight: 600; margin-bottom: 6px; line-height: 1.3; font-family: var(--font-display); }
.p-price { font-size: 13px; color: var(--color-gray); font-weight: 400; margin-bottom: 12px; }

.btn-card-add {
  background: var(--color-light-gray); color: var(--color-dark);
  border: 1px solid var(--color-border-subtle); padding: 8px; border-radius: 8px; font-size: 13px; font-weight: 500;
  transition: var(--transition); display: flex; align-items: center; justify-content: center; width: 100%; gap: 6px;
}
.p-card:hover .btn-card-add { background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark); }
.premium-grid.list-mode .btn-card-add { width: auto; padding: 8px 16px; }

/* Reviews Masonry */
.reviews-masonry {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px;
}
.review-card-premium {
  background: var(--color-white); border-radius: var(--radius-md); padding: 24px;
  border: 1px solid var(--color-border-subtle); box-shadow: var(--shadow-sm);
}
.rc-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 15px; position: relative;}
.rc-avatar {
  width: 40px; height: 40px; border-radius: 50%; color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; flex-shrink: 0;
}
.bg-red { background: #E53935; } .bg-blue { background: #1E88E5; } .bg-green { background: #43A047; }
.bg-orange { background: #FF9800; }
.rc-meta h4 { font-size: 15px; margin-bottom: 2px; }
.rc-meta span { font-size: 12px; color: var(--color-gray); }
.text-blue { color: #1A73E8; } .text-orange { color: #F29900; }
.rc-stars { position: absolute; right: 0; top: 0; color: #FBBC04; font-size: 12px; letter-spacing: 1px; }
.rc-body { font-size: 14px; color: var(--color-gray-dark); line-height: 1.6; }
.btn-dark-premium {
  display: inline-block; background: var(--color-dark); color: white; padding: 12px 24px; border-radius: 30px; font-weight: 500; font-size: 14px; transition: var(--transition);
}
.btn-dark-premium:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }


/* Split Layout (Sobre) */
.split-layout {
  display: flex; flex-direction: column; gap: 40px;
}
.eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; color: var(--color-primary); margin-bottom: 10px; display: block; }
.body-text-lg { font-size: 16px; color: var(--color-gray); line-height: 1.6; margin-bottom: 30px; }

.premium-features-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.premium-features-list li { display: flex; align-items: flex-start; gap: 15px; }
.pf-icon {
  width: 48px; height: 48px; background: var(--color-light-gray); color: var(--color-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; border: 1px solid var(--color-border-subtle);
}
.pf-text strong { display: block; font-size: 15px; color: var(--color-dark); margin-bottom: 4px; font-family: var(--font-display); }
.pf-text span { font-size: 13px; color: var(--color-gray); line-height: 1.5; display: block; }

.photo-composition { position: relative; width: 100%; height: 350px; }
.photo-main { width: 80%; height: 80%; object-fit: cover; border-radius: var(--radius-md); position: absolute; top: 0; left: 0; box-shadow: var(--shadow-sm); }
.photo-secondary { width: 50%; height: 50%; object-fit: cover; border-radius: var(--radius-md); position: absolute; bottom: 0; right: 0; box-shadow: var(--shadow-lg); border: 4px solid var(--color-white); }


/* Contact Cards */
.contact-cards-premium { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 40px; }
.contact-card-p {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 30px 20px; border-radius: var(--radius-md); transition: var(--transition); display: block; text-align: center; color: white;
}
.contact-card-p:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); }
.ccp-icon { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; margin: 0 auto 15px; color: white;}
.contact-card-p h4 { font-size: 16px; margin-bottom: 8px; color: white;}
.contact-card-p p { font-size: 14px; opacity: 0.7; }

/* Footer */
.footer-premium { background: var(--color-white); border-top: 1px solid var(--color-border-subtle); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 50px; }
.footer-brand p { font-size: 13px; color: var(--color-gray); margin-bottom: 20px; }
.social-flex { display: flex; gap: 15px; }
.social-flex a { width: 36px; height: 36px; border-radius: 50%; background: var(--color-light-gray); color: var(--color-dark); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.social-flex a:hover { background: var(--color-dark); color: white; }
.footer-links h4 { font-size: 14px; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-dark); }
.footer-links a { display: block; font-size: 14px; color: var(--color-gray); margin-bottom: 10px; transition: var(--transition); }
.footer-links a:hover { color: var(--color-primary); transform: translateX(5px); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--color-border-subtle); font-size: 12px; color: var(--color-gray); }

/* V2 Modals & Drawers */
.modal-overlay-v2, .cart-drawer-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(13, 17, 23, 0.6); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  z-index: 2000; opacity: 0; visibility: hidden; transition: var(--transition);
}
.modal-overlay-v2 { display: flex; align-items: flex-end; justify-content: center; }
.modal-overlay-v2.active, .cart-drawer-overlay.active { opacity: 1; visibility: visible; }

.product-modal-v2 {
  background: var(--color-white); width: 100%; max-height: 90vh;
  border-radius: 24px 24px 0 0; transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex; flex-direction: column; position: relative; overflow: hidden; box-shadow: var(--shadow-lg);
}
.modal-overlay-v2.active .product-modal-v2 { transform: translateY(0); }
.modal-close-v2 {
  position: absolute; top: 15px; right: 15px; width: 30px; height: 30px; border-radius: 50%;
  background: rgba(0,0,0,0.5); color: white; z-index: 10; display: flex; align-items: center; justify-content: center; border: none; font-size: 12px; backdrop-filter: blur(4px);
}

.modal-visual-v2 { height: 250px; width: 100%; background: var(--color-light-gray); overflow: hidden; display: flex; flex-direction: column; }
.media-container { position: relative; width: 100%; flex: 1; background: #eee; overflow: hidden; }
.media-container img, .media-container video { width: 100%; height: 100%; object-fit: cover; position: absolute; top: 0; left: 0; transition: opacity 0.3s ease; opacity: 0; pointer-events: none; }
.media-container img.active-media, .media-container video.active-media { opacity: 1; pointer-events: auto; }
.media-toggles { display: flex; height: 46px; background: var(--color-white); border-top: 1px solid var(--color-border-subtle); flex-shrink: 0; }
.media-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--color-gray); transition: 0.2s; border-bottom: 2px solid transparent; background: transparent; cursor: pointer; }
.media-btn:hover { background: var(--color-light-gray); color: var(--color-dark); }
.media-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); background: rgba(0, 160, 227, 0.05); }
.modal-data-v2 { padding: 25px 20px; overflow-y: auto; padding-bottom: 40px; }
.modal-tag-v2 { display: inline-block; font-size: 11px; font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.modal-title-v2 { font-size: 24px; margin-bottom: 8px; }
.modal-desc-v2 { font-size: 14px; color: var(--color-gray); margin-bottom: 20px; }
.modal-price-v2 { font-size: 18px; color: var(--color-dark); font-weight: 700; margin-bottom: 25px; font-family: var(--font-display); }

.config-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 25px; }
.config-item label { display: block; font-size: 13px; font-weight: 600; color: var(--color-dark); margin-bottom: 8px; }
.minimal-select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-white); font-family: inherit; font-size: 14px; color: var(--color-dark); outline: none; appearance: none;
}
.minimal-select:focus { border-color: var(--color-dark); box-shadow: 0 0 0 1px var(--color-dark); }

.modal-actions-v2 { display: flex; gap: 10px; }
.btn-bag { flex: 1; background: var(--color-dark); color: white; padding: 14px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; box-shadow: var(--shadow-md);}
.btn-bag.success { background: #2DA44E; }
.btn-fast { flex: 1; background: #25D366; color: white; padding: 14px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 6px; box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2); }

/* V2 Cart Drawer */
.cart-drawer-v2 {
  position: fixed; top: 0; right: -100%; width: 380px; max-width: 100%; height: 100%;
  background: var(--color-white); z-index: 2002; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex; flex-direction: column; box-shadow: -10px 0 30px rgba(0,0,0,0.1);
}
.cart-drawer-v2.active { right: 0; }
.cart-header-v2 { padding: 25px 20px; border-bottom: 1px solid var(--color-border-subtle); display: flex; justify-content: space-between; align-items: center; }
.cart-header-v2 h3 { font-size: 18px; margin: 0; }
.close-cart-btn { font-size: 20px; color: var(--color-gray); }

.cart-body-v2 { flex: 1; overflow-y: auto; padding: 20px; background: var(--color-light-gray); }
.cart-item-v2 { background: var(--color-white); padding: 15px; border-radius: var(--radius-sm); border: 1px solid var(--color-border-subtle); display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.ci-info h4 { font-size: 14px; margin-bottom: 4px; }
.ci-info p { font-size: 12px; color: var(--color-gray); margin-bottom: 2px;}
.ci-remove { color: #E53935; background: rgba(229, 57, 53, 0.1); width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center;  transition: 0.2s; }
.ci-remove:hover { background: #E53935; color: white;}

.empty-state { text-align: center; padding: 50px 20px; color: var(--color-gray); }
.empty-state i { font-size: 40px; margin-bottom: 15px; opacity: 0.5; }

.cart-footer-v2 { padding: 20px; background: var(--color-white); border-top: 1px solid var(--color-border-subtle); }
.btn-whatsapp-v2 { width: 100%; background: #25D366; color: white; padding: 16px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 8px; box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2); }
.btn-whatsapp-v2:disabled { background: var(--color-border); box-shadow: none; color: white; cursor: not-allowed; }
.cart-secure-text { text-align: center; font-size: 11px; color: var(--color-gray); margin-top: 15px; }

/* Bottom Nav Mobile */
.bottom-nav-v2 {
  position: fixed; bottom: 0; left: 0; width: 100%; height: 70px;
  background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; justify-content: space-around; align-items: center;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.03); z-index: 1000;
  border-top: 1px solid var(--color-border-subtle); padding-bottom: env(safe-area-inset-bottom);
}
.bn-item { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--color-gray); font-size: 10px; font-weight: 500; transition: 0.2s;}
.bn-item i { font-size: 18px; }
.bn-item.active { color: var(--color-dark); }


/* Desktop Upgrades */
@media (min-width: 768px) {
  body { padding-bottom: 0; }
  .bottom-nav-v2 { display: none; }
  .desktop-menu { display: flex; gap: 30px; }
  .desktop-menu a { font-size: 14px; font-weight: 500; color: var(--color-gray-dark); transition: var(--transition); }
  .desktop-menu a:hover, .desktop-menu a.active { color: var(--color-primary); }
  .desktop-only { display: inline-block; }
  
  .hero-premium { padding: 90px 20px 80px; }
  .hero-title { font-size: 64px; }
  .hero-subtitle { font-size: 18px; max-width: 600px; }
  .hero-actions { gap: 20px; }
  .hero-actions a { font-size: 16px; padding: 14px 28px; }
  
  .premium-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .p-card { border-radius: var(--radius-lg); }
  .p-img-box { height: 200px; }
  .premium-grid.list-mode .p-img-box { width: 160px; }
  
  .split-layout { flex-direction: row; align-items: center; }
  .split-text, .split-visuals { flex: 1; }
  .photo-composition { height: 450px; }
  
  .product-modal-v2 { width: 850px; max-height: 600px; flex-direction: row; border-radius: var(--radius-lg); margin: auto; }
  .modal-layout-v2 { display: flex; width: 100%; }
  .modal-visual-v2 { width: 45%; height: 600px; }
  .modal-data-v2 { width: 55%; padding: 40px; border-radius: 0 var(--radius-lg) var(--radius-lg) 0; }
  .config-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
  .hero-title { font-size: 34px; }
  .premium-grid { grid-template-columns: 1fr; }
}

@media (min-width: 576px) and (max-width: 767px) {
  .premium-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-title { font-size: 52px; }
  .product-modal-v2 { width: 90%; max-height: 85vh; margin: auto; border-radius: 20px; }
}