/* =============================================
   RESET & BASE
============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Neutrals */
  --black: #0a0a0a;
  --dark: #111111;
  --dark-2: #1a1a1a;
  --dark-3: #242424;
  --border: #2a2a2a;
  --border-light: #383838;
  --muted: #888888;
  --white: #ffffff;

  /* Accent colors */
  --accent-blue: #3b82f6;
  --accent-blue-h: #2563eb;
  --accent-green: #25D366;
  --accent-green-h: #1ebe5a;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --accent-purple: #818cf8;
  --accent-indigo: #6366f1;

  /* Shapes */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Effects */
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;

  --font: 'Inter', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* =============================================
   SCROLLBAR
============================================= */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 999px;
}

/* =============================================
   HEADER / NAV
============================================= */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-brand span {
  color: var(--muted);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--muted);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

/* Cart button */
.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--white);
  color: var(--black);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.cart-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.cart-btn:active {
  transform: translateY(0);
}

.cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: var(--accent-red);
  color: var(--white);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}

/* =============================================
   HERO
============================================= */
.hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 72px 24px 48px;
  text-align: center;
}

.hero-label {
  display: inline-block;
  padding: 4px 14px;
  background: var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero p {
  max-width: 520px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* =============================================
   BUTTONS
============================================= */
.btn-primary {
  padding: 12px 28px;
  background: var(--accent-blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--accent-blue-h);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  padding: 12px 28px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-ghost:hover {
  color: var(--white);
  border-color: var(--muted);
  transform: translateY(-1px);
}

/* =============================================
   SECTION BASE
============================================= */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 56px 24px;
}

.section-header {
  margin-bottom: 36px;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-purple);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.section-desc {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 600px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 24px;
}

/* =============================================
   TABS
============================================= */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
  margin-bottom: 36px;
}

.tab-btn {
  padding: 8px 22px;
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn.active {
  background: var(--accent-indigo);
  color: var(--white);
  font-weight: 600;
}

/* =============================================
   CATALOG GRID
============================================= */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.product-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* Logo area */
.product-logo-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--dark-3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  padding: 0;
  border-bottom: 1px solid var(--border);
}

.product-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.product-card:hover .product-logo-img {
  transform: scale(1.05);
}

/* Product info */
.product-info {
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.product-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.product-type {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 500;
}

.product-price {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent-amber);
}

.product-price span {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
}

.add-btn {
  width: 100%;
  padding: 9px;
  background: var(--accent-blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  letter-spacing: 0.01em;
}

.add-btn:hover {
  background: var(--accent-blue-h);
  transform: translateY(-1px);
}

.add-btn:active {
  transform: translateY(0);
}

/* =============================================
   BENEFITS BAR
============================================= */
.benefits-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.benefit-item {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benefit-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.benefit-icon.green {
  background: rgba(37, 211, 102, 0.15);
  color: var(--accent-green);
}

.benefit-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

.benefit-icon.amber {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.benefit-title {
  font-size: 0.9rem;
  font-weight: 700;
}

.benefit-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

/* =============================================
   INFO CARDS (Cuenta vs Perfil)
============================================= */
.bg-alt {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.bg-alt .section {
  padding-top: 56px;
  padding-bottom: 56px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 8px;
}

.info-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.info-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-card-badge {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.info-card-badge.premium {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.info-card-badge.basico {
  background: rgba(129, 140, 248, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(129, 140, 248, 0.3);
}

.info-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.75;
}

.info-card ul {
  margin-top: 12px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-card ul li {
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.info-card ul li::before {
  content: '';
  display: block;
  flex-shrink: 0;
  margin-top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--border-light);
}

/* =============================================
   TERMS & CONDITIONS
============================================= */
.terms-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 24px;
}

.terms-box {
  background: var(--dark-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  position: relative;
  overflow: hidden;
}

.terms-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, transparent 55%);
  pointer-events: none;
}

.terms-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.terms-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.terms-heading {
  flex: 1;
}

.terms-heading h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.terms-heading p {
  font-size: 0.85rem;
  color: var(--muted);
}

.terms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.term-item {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border-left: 3px solid var(--border-light);
}

.term-item.warning {
  border-left-color: var(--accent-red);
}

.term-item.info {
  border-left-color: var(--accent-blue);
}

.term-item.success {
  border-left-color: var(--accent-green);
}

.term-item.amber {
  border-left-color: var(--accent-amber);
}

.term-item.purple {
  border-left-color: var(--accent-purple);
}

.term-item-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--white);
  margin-bottom: 8px;
}

.term-item p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.65;
}

.terms-highlight {
  margin-top: 20px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.6;
}

.terms-highlight strong {
  color: var(--accent-red);
}

/* =============================================
   PAYMENT SECTION
============================================= */
.payment-box {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.payment-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.payment-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-purple);
}

.payment-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.copy-btn {
  padding: 4px 10px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover {
  background: var(--accent-blue);
  color: var(--white);
  border-color: var(--accent-blue);
}

.payment-note {
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  line-height: 1.6;
}

/* =============================================
   CART SIDEBAR
============================================= */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 420px;
  max-width: 100vw;
  background: var(--dark);
  border-left: 1px solid var(--border);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cart-sidebar.open {
  transform: translateX(0);
}

.cart-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.cart-head h2 {
  font-size: 1.05rem;
  font-weight: 700;
}

.cart-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  transition: all var(--transition);
}

.cart-close:hover {
  background: var(--dark-3);
  color: var(--white);
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  text-align: center;
  padding: 48px 0;
}

.cart-empty svg {
  opacity: 0.25;
}

.cart-empty p {
  font-size: 0.875rem;
}

.cart-item {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Cart item logo */
.cart-item-logo {
  width: 52px;
  height: 32px;
  border-radius: 6px;
  background: var(--dark-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--border);
}

.cart-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cart-item-info {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-type {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

.cart-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.cart-item-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.qty-ctrl {
  display: flex;
  align-items: center;
  gap: 6px;
}

.qty-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  transition: all var(--transition);
  font-family: var(--font);
}

.qty-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.qty-val {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.cart-foot {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-shrink: 0;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-total-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.cart-total-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.cart-note {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

/* WhatsApp button */
.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  background: var(--accent-green);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.whatsapp-btn:hover {
  background: var(--accent-green-h);
  transform: translateY(-1px);
}

.whatsapp-btn:active {
  transform: translateY(0);
}

.whatsapp-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.clear-btn {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.82rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.clear-btn:hover {
  color: var(--accent-red);
  border-color: var(--accent-red);
}

/* =============================================
   TOAST
============================================= */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--accent-blue);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
  opacity: 0;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* =============================================
   FOOTER
============================================= */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

footer a {
  color: var(--accent-green);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1100px) {
  .catalog-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 800px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 700px) {
  .terms-section {
    padding: 48px 16px;
  }

  .benefits-bar {
    grid-template-columns: 1fr;
  }

  .terms-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .terms-box {
    padding: 24px 20px;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
  }

  .nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(17, 17, 17, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 8px;
  }

  .nav-links.mobile-open a {
    display: block;
    width: 100%;
    padding: 10px 14px;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 540px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 420px) {
  .nav-brand {
    font-size: 0.95rem;
  }

  .cart-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}