/* ============================================================
   style.css — Melisco Gadgets
   Premium electronics retail storefront — minimal, spacious, trustworthy.
   Inspired by Samsung's clean product presentation.
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette */
  --clr-bg:          #ffffff;
  --clr-surface:     #f8f9fa;
  --clr-surface-alt: #f0f2f5;
  --clr-border:      #e2e4e9;
  --clr-border-light:#edf0f2;
  --clr-text:        #0d0d0d;
  --clr-text-muted:  #5f6368;
  --clr-text-light:  #9aa0a6;
  
  --clr-accent:      #1a56db;       /* Refined tech blue */
  --clr-accent-dark: #1240ab;
  --clr-accent-light:#e8effe;
  
  --clr-whatsapp:    #25D366;
  --clr-whatsapp-dk: #128C7E;
  --clr-danger:      #dc2626;
  --clr-warning:     #d97706;
  --clr-success:     #059669;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  3.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-xs:  0.25rem;
  --radius-sm:  0.5rem;
  --radius-md:  0.875rem;
  --radius-lg:  1.25rem;
  --radius-xl:  2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0,0,0,.05);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.07);
  --shadow-md: 0 4px 20px rgba(0,0,0,.09);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.11);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.13);

  /* Transitions */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Layout */
  --container-width: 1240px;
  --header-height: 72px;
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ── Container & Sections ─────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (max-width: 640px) { .container { padding-inline: var(--space-4); } }

.section { padding-block: var(--space-16); }
.section--alt { background: var(--clr-surface); }

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.section-sub {
  color: var(--clr-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
.section-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-accent);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}
.section-link:hover { color: var(--clr-accent-dark); text-decoration: underline; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }

.btn--primary {
  background: var(--clr-text);
  color: #fff;
}
.btn--primary:hover { background: #222; box-shadow: var(--shadow-sm); }

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn--outline:hover { border-color: var(--clr-text); background: var(--clr-surface); }

.btn--ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border: 1.5px solid var(--clr-border);
}
.btn--ghost:hover { color: var(--clr-text); border-color: var(--clr-text-muted); }

.btn--accent {
  background: var(--clr-accent);
  color: #fff;
}
.btn--accent:hover { background: var(--clr-accent-dark); }

.btn--whatsapp {
  background: var(--clr-whatsapp);
  color: #fff;
}
.btn--whatsapp:hover { background: var(--clr-whatsapp-dk); }

.btn--lg { padding: 0.9rem 2rem; font-size: var(--text-base); border-radius: var(--radius-sm); }
.btn--sm { padding: 0.55rem 0.95rem; font-size: var(--text-xs); }
.btn--full { width: 100%; }

/* ── Badges & Status Pills ────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  line-height: 1.2;
}

.badge--brand-new {
  background: #0f172a;
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.badge--used {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge--older-model {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.badge--single {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.badge--sold {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* ── Header ─────────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
  height: var(--header-height);
}
#site-header.header--scrolled {
  border-color: var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.header__logo-mark {
  width: 38px;
  height: 38px;
  background: var(--clr-text);
  color: #fff;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -.04em;
  flex-shrink: 0;
}
.header__logo-text {
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -.03em;
  color: var(--clr-text);
  line-height: 1;
}
.header__logo-text span { color: var(--clr-accent); }

/* Desktop Nav */
.header__nav {
  display: flex;
  align-items: center;
  overflow: hidden;
}
#desktop-category-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: none;
}
#desktop-category-nav::-webkit-scrollbar { display: none; }

.nav__cat-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.nav__cat-link:hover { color: var(--clr-text); background: var(--clr-surface); }
.nav__cat-link.active { color: var(--clr-accent); font-weight: 600; }

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header__search-form {
  display: flex;
  align-items: center;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-2);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.header__search-form:focus-within {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-light);
  background: #fff;
}
.header__search-form svg { flex-shrink: 0; color: var(--clr-text-muted); }
.header__search-form input {
  border: none;
  background: transparent;
  outline: none;
  font-size: var(--text-sm);
  color: var(--clr-text);
  width: 190px;
}
.header__search-form input::placeholder { color: var(--clr-text-light); }

.admin-link-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-text-muted);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.admin-link-btn:hover { color: var(--clr-text); border-color: var(--clr-text); }

/* Cart Button */
.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.cart-btn:hover { background: var(--clr-surface-alt); border-color: var(--clr-text-muted); }

#cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  padding-inline: 4px;
  background: var(--clr-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Mobile Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  transition: background var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
}
.hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger--open span:nth-child(2) { opacity: 0; }
.hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 850;
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-5) var(--space-4);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
}
.mobile-menu.mobile-menu--open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-search-wrap {
  display: flex;
  align-items: center;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.mobile-search-wrap input {
  border: none;
  background: transparent;
  outline: none;
  font-size: var(--text-sm);
  width: 100%;
  color: var(--clr-text);
}
#mobile-category-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--clr-text);
}
.mobile-nav__link:hover { background: var(--clr-surface); }

/* ── Hero Section ─────────────────────────────────────────── */
#hero {
  background: var(--clr-surface);
  min-height: 85dvh;
  display: grid;
  align-items: center;
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 75% 50%, rgba(26,86,219,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.hero__title {
  font-size: clamp(2.3rem, 5vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.08;
  color: var(--clr-text);
  margin-bottom: var(--space-4);
}
.hero__title em {
  font-style: normal;
  color: var(--clr-accent);
}
.hero__desc {
  font-size: var(--text-lg);
  color: var(--clr-text-muted);
  line-height: 1.6;
  max-width: 48ch;
  margin-bottom: var(--space-8);
}
.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.hero__badges-bar {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  flex-wrap: wrap;
}
.hero__badge-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.hero__badge-item span { color: var(--clr-success); }

.hero__img-col {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__img-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: #fff;
}
.hero__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.hero__img-wrap:hover img { transform: scale(1.03); }

.hero__img-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--clr-border);
}
.hero__img-badge-icon {
  width: 40px;
  height: 40px;
  background: var(--clr-accent-light);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--clr-accent);
  font-size: 1.3rem;
}
.hero__img-badge-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
}
.hero__img-badge-text span {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
}

/* ── Category Cards ───────────────────────────────────────── */
#category-cards-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}
.category-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent);
}
.category-card__img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--clr-surface);
}
.category-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.category-card:hover .category-card__img-wrap img { transform: scale(1.05); }

.category-card__body {
  padding: var(--space-3) var(--space-4);
  text-align: center;
}
.category-card__icon {
  font-size: 1.3rem;
  display: block;
  margin-bottom: var(--space-1);
}
.category-card__label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.3;
}
.category-card__desc {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  margin-top: 2px;
}

/* ── Filter Controls ──────────────────────────────────────── */
.shop-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  background: var(--clr-surface);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.filter-row__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--clr-text-muted);
  margin-right: var(--space-2);
}

.filter-pills {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: #fff;
  border: 1.5px solid var(--clr-border);
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.filter-pill:hover {
  border-color: var(--clr-text-muted);
  color: var(--clr-text);
}
.filter-pill--active {
  background: var(--clr-text);
  border-color: var(--clr-text);
  color: #fff;
}

.shop-sort {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.shop-sort label {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  white-space: nowrap;
}
#sort-select {
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: var(--text-sm);
  color: var(--clr-text);
  cursor: pointer;
  outline: none;
}
#sort-select:focus { border-color: var(--clr-accent); }

#products-count {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

/* ── Product Grid & Cards ─────────────────────────────────── */
#products-grid,
#featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.product-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-card__img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--clr-surface);
}
.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.04); }

.product-card__badges {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  z-index: 2;
}

.product-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-2);
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.product-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.35;
}

.product-card__price {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--clr-text);
  letter-spacing: -.02em;
}

.product-card__used-snippet {
  font-size: 11px;
  color: #b45309;
  background: #fffbeb;
  padding: 3px 6px;
  border-radius: var(--radius-xs);
  display: inline-block;
}

.product-card__desc {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  line-height: 1.5;
  flex: 1;
}

.product-card__actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.product-card__actions .btn { flex: 1; min-width: 0; }

/* ── Empty & Loading States ───────────────────────────────── */
#products-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-20) var(--space-4);
  text-align: center;
  color: var(--clr-text-muted);
  grid-column: 1 / -1;
}
#products-empty svg { opacity: .3; }
#products-empty p { font-size: var(--text-xl); font-weight: 700; color: var(--clr-text); }

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Promo Banner ─────────────────────────────────────────── */
#promo-banner {
  background: var(--clr-text);
  color: #fff;
  border-radius: var(--radius-lg);
  margin: var(--space-16) auto;
  padding: var(--space-12) var(--space-16);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  overflow: hidden;
}
#promo-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 100% at 85% 50%, rgba(26,86,219,.4), transparent 70%);
  pointer-events: none;
}
.promo__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: var(--space-2);
}
.promo__title {
  font-size: clamp(1.6rem, 3vw, var(--text-3xl));
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
}
.promo__sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,.7);
  line-height: 1.6;
  max-width: 52ch;
}
.promo__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  flex-shrink: 0;
}
.promo__cta .btn--whatsapp {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}
.promo__cta-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.5);
}

/* ── Cart Drawer ──────────────────────────────────────────── */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease);
}
.cart-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

#cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1001;
  width: 100%;
  max-width: 440px;
  background: var(--clr-bg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease);
}
#cart-drawer.cart-drawer--open { transform: translateX(0); }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
}
.cart-drawer__title { font-size: var(--text-xl); font-weight: 800; }
.cart-drawer__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: grid;
  place-items: center;
  color: var(--clr-text);
  transition: background var(--dur-fast) var(--ease);
}
.cart-drawer__close:hover { background: var(--clr-surface-alt); }

#cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-6);
}

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--clr-border);
  align-items: start;
}
.cart-item:last-child { border-bottom: none; }

.cart-item__img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
}

.cart-item__info { min-width: 0; }
.cart-item__name {
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.cart-item__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 3px;
}
.cart-item__condition-tag {
  font-size: 10px;
  font-weight: 700;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}
.cart-item__price {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  font-weight: 600;
}
.cart-item__individual-note {
  font-size: 11px;
  color: var(--clr-text-muted);
  margin-top: 4px;
  font-style: italic;
}

.cart-item__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
}
.cart-item__remove {
  color: var(--clr-text-light);
  transition: color var(--dur-fast) var(--ease);
}
.cart-item__remove:hover { color: var(--clr-danger); }
.cart-item__subtotal {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--clr-text);
}

.qty-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.qty-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-size: var(--text-base);
  font-weight: 700;
  display: grid;
  place-items: center;
  transition: background var(--dur-fast) var(--ease);
}
.qty-btn:hover { background: var(--clr-surface-alt); }
.qty-value {
  min-width: 24px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 700;
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-4);
  text-align: center;
  color: var(--clr-text-muted);
}
.cart-empty__icon { opacity: .25; }
.cart-empty__title { font-size: var(--text-lg); font-weight: 800; color: var(--clr-text); }
.cart-empty__sub { font-size: var(--text-sm); }

#cart-footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-shrink: 0;
  background: #fff;
}
.cart-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}
.cart-summary__total { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -.03em; }
.cart-summary__note { font-size: var(--text-xs); color: var(--clr-text-muted); }

/* ── Cart Toast ───────────────────────────────────────────── */
.cart-toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  z-index: 2000;
  background: var(--clr-text);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  max-width: calc(100vw - 2rem);
}
.cart-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.cart-toast--error { background: var(--clr-danger); }
.cart-toast--info { background: #1e293b; }

/* ── Product Detail Modal ─────────────────────────────────── */
#product-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease);
  backdrop-filter: blur(4px);
}
#product-modal.modal--open {
  opacity: 1;
  pointer-events: auto;
}
#product-modal-wrapper {
  background: var(--clr-bg);
  border-radius: var(--radius-lg);
  max-width: 960px;
  width: 100%;
  max-height: 90dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(.97) translateY(12px);
  transition: transform var(--dur-base) var(--ease);
}
#product-modal.modal--open #product-modal-wrapper {
  transform: scale(1) translateY(0);
}
#modal-close-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: grid;
  place-items: center;
  color: var(--clr-text);
  z-index: 10;
  transition: background var(--dur-fast) var(--ease);
}
#modal-close-btn:hover { background: var(--clr-surface-alt); }

.modal__inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  min-height: 440px;
}
.modal__img-col {
  background: var(--clr-surface);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  gap: var(--space-4);
}
.modal__main-img-wrap {
  width: 100%;
  max-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal__main-img-wrap img {
  max-height: 360px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.modal__thumbnails {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: 4px;
  max-width: 100%;
}
.modal__thumb-btn {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-xs);
  border: 2px solid transparent;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.modal__thumb-btn.active { border-color: var(--clr-accent); }
.modal__thumb-btn img { width: 100%; height: 100%; object-fit: cover; }

.modal__info-col {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow-y: auto;
}
.modal__header-badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.modal__category {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.modal__name {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.modal__price {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--clr-text);
}
.modal__desc {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* Used Device Diagnostics Box */
.used-device-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}
.used-device-card__title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #b45309;
  margin-bottom: var(--space-3);
}
.used-device-card__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  font-size: var(--text-xs);
}
.used-spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.used-spec-label {
  color: var(--clr-text-muted);
  font-weight: 500;
}
.used-spec-val {
  font-weight: 700;
  color: var(--clr-text);
}
.highlight-green { color: var(--clr-success); }

/* Specs Table */
.modal__specs-wrap { margin-top: var(--space-2); }
.specs-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-2);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
}
.spec-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--clr-border);
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-key { color: var(--clr-text-muted); font-weight: 500; width: 40%; }
.spec-val { font-weight: 600; }

.modal__actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--clr-border);
}
.modal__actions .btn--primary { flex: 1; }
.modal__individual-notice {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-accent);
}

/* ── Footer ───────────────────────────────────────────────── */
#site-footer {
  background: #0f172a;
  color: rgba(255,255,255,.75);
  padding: var(--space-16) 0 var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: var(--space-8);
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.footer__logo-mark {
  width: 38px;
  height: 38px;
  background: var(--clr-accent);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: var(--text-lg);
  color: #fff;
}
.footer__logo-text {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.footer__desc {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: rgba(255,255,255,.6);
  max-width: 34ch;
}
.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.7);
  transition: all var(--dur-fast) var(--ease);
}
.footer__social a:hover {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: #fff;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
#footer-category-list,
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
#footer-category-list a,
.footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  transition: color var(--dur-fast) var(--ease);
}
#footer-category-list a:hover,
.footer__links a:hover { color: #fff; }

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}
.footer__contact-item svg { flex-shrink: 0; margin-top: 3px; }

.footer__whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--clr-whatsapp);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  margin-top: var(--space-4);
  transition: background var(--dur-fast) var(--ease);
}
.footer__whatsapp-btn:hover { background: var(--clr-whatsapp-dk); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,.45);
  flex-wrap: wrap;
}
.footer__bottom a { color: rgba(255,255,255,.6); }
.footer__bottom a:hover { color: #fff; }

/* ── Floating WhatsApp Button ─────────────────────────────── */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 800;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--clr-whatsapp);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.floating-whatsapp:hover {
  transform: scale(1.08);
  background: var(--clr-whatsapp-dk);
}

/* ── Responsive Queries ───────────────────────────────────── */
@media (max-width: 1024px) {
  .hamburger { display: flex; }
  .header__nav { display: none; }
  .header__search-form { display: none; }

  .hero__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero__img-col { order: -1; }
  .hero__img-wrap { max-width: 100%; aspect-ratio: 16 / 9; }

  #category-cards-grid { grid-template-columns: repeat(3, 1fr); }
  #products-grid, #featured-grid { grid-template-columns: repeat(3, 1fr); }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .modal__inner { grid-template-columns: 1fr; }
  .modal__img-col { border-radius: var(--radius-lg) var(--radius-lg) 0 0; min-height: 260px; }

  #promo-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-8) var(--space-6);
  }
}

@media (max-width: 768px) {
  #category-cards-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
  #products-grid, #featured-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }

  .section { padding-block: var(--space-10); }
  #hero { min-height: auto; padding-block: var(--space-12); }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__brand { order: -1; }

  .filter-row { flex-direction: column; align-items: stretch; }
  .shop-sort { justify-content: space-between; }
}

@media (max-width: 480px) {
  #category-cards-grid { grid-template-columns: repeat(2, 1fr); }
  #products-grid, #featured-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }

  .product-card__body { padding: var(--space-3); }
  .product-card__actions { flex-direction: column; }

  #cart-drawer { max-width: 100%; }

  #product-modal { padding: 0; align-items: flex-end; }
  #product-modal-wrapper { border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 95dvh; }

  .hero__title { font-size: var(--text-3xl); }
  .used-device-card__grid { grid-template-columns: 1fr; }
}