/* ============================================
   KYREXAEP STORE — Global Stylesheet
   Dark Theme + Gradient Accents
   ============================================ */

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

:root {
  --bg:          #0d0d12;
  --bg-2:        #13131a;
  --bg-3:        #1a1a24;
  --surface:     #1e1e2a;
  --surface-2:   #252535;
  --border:      #2e2e42;
  --border-2:    #3a3a52;
  --text:        #e8e8f0;
  --text-muted:  #8888aa;
  --text-dim:    #5a5a78;
  --accent:      #7c5af5;
  --accent-2:    #a855f7;
  --accent-3:    #06b6d4;
  --grad-start:  #7c5af5;
  --grad-end:    #06b6d4;
  --danger:      #ef4444;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --radius:      12px;
  --radius-lg:   18px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,.45);
  --shadow-lg:   0 8px 48px rgba(0,0,0,.6);
  --transition:  .22s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hidden { display: none !important; }

.grad-text {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: .5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,18,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.navbar__logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.5px;
  white-space: nowrap;
  text-decoration: none;
}
.navbar__logo .logo-kyrex { color: var(--text); }
.navbar__logo .logo-aep   {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.navbar__logo .logo-store { color: var(--text-muted); font-weight: 400; margin-left: 4px; font-size: .95rem; }

.navbar__menu {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.navbar__link {
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.navbar__link:hover,
.navbar__link.active {
  color: var(--text);
  background: var(--surface);
}
.navbar__link.active { color: var(--accent-2); }

.navbar__right {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}
.cart-btn:hover { background: var(--surface-2); border-color: var(--border-2); }

.cart-btn svg { width: 20px; height: 20px; }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: .25rem;
  padding: .75rem 1.25rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.mobile-menu.open { display: flex; }
.mobile-menu .navbar__link { width: 100%; padding: .65rem 1rem; }

/* ── Hero ── */
.hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,90,245,.12) 0%, transparent 70%);
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem 1rem;
  border-radius: 999px;
  background: rgba(124,90,245,.15);
  border: 1px solid rgba(124,90,245,.3);
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 1.5rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.hero__badge::before { content: '✦'; font-size: .65rem; }

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 1.25rem;
}

.hero__desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat__value { font-size: 1.5rem; font-weight: 800; }
.stat__label { font-size: .8rem; color: var(--text-muted); margin-top: .1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .7rem 1.6rem;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,90,245,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,90,245,.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-outline:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent-2);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

.btn-danger {
  background: rgba(239,68,68,.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.3);
}
.btn-danger:hover { background: rgba(239,68,68,.25); }

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-sm { padding: .45rem 1rem; font-size: .85rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1.05rem; }

/* ── Product Card ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  outline: none;
  display: flex;
  flex-direction: column;
}
.product-card:hover,
.product-card:focus {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(124,90,245,.2);
}

.product-card__img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-3);
  overflow: hidden;
}
.product-card__img-wrap img,
.product-card__img-wrap svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__badge {
  position: absolute;
  top: .65rem;
  left: .65rem;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: rgba(124,90,245,.25);
  border: 1px solid rgba(124,90,245,.4);
  color: var(--accent-2);
}

.stock-badge {
  position: absolute;
  top: .65rem;
  right: .65rem;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  background: rgba(239,68,68,.2);
  border: 1px solid rgba(239,68,68,.35);
  color: var(--danger);
}

.product-card__body {
  padding: 1.1rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
  line-height: 1.3;
}

.product-card__desc {
  font-size: .85rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1rem;
}

.product-card__price {
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section Wrappers ── */
.section { padding: 4rem 0; }
.section--alt { background: var(--bg-2); }

.section-header { margin-bottom: 2.5rem; }

/* ── Features Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover { border-color: var(--border-2); transform: translateY(-2px); }

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(124,90,245,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.4rem;
}

.feature-card__title {
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .35rem;
}

.feature-card__desc {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, rgba(124,90,245,.18), rgba(6,182,212,.18));
  border: 1px solid rgba(124,90,245,.25);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
}
.cta-banner__title { font-size: clamp(1.4rem,3vw,2rem); font-weight: 800; margin-bottom: .75rem; }
.cta-banner__desc  { color: var(--text-muted); margin-bottom: 1.75rem; }

/* ── Alert / Callout ── */
.alert {
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.alert--warning {
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.3);
  color: var(--warning);
}
.alert--info {
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.25);
  color: var(--accent-3);
}
.alert__title { font-weight: 700; font-size: 1rem; margin-bottom: .4rem; }
.alert__text  { font-size: .9rem; color: var(--text); opacity: .85; }
.alert__note  { font-size: .8rem; opacity: .65; margin-top: .5rem; }

/* ── Cart ── */
.cart-wrapper { display: flex; gap: 2rem; align-items: flex-start; }
.cart-items   { flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.cart-summary { width: 300px; flex-shrink: 0; }

.cart-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cart-item__img {
  width: 64px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  overflow: hidden;
  flex-shrink: 0;
}
.cart-item__img img { width: 100%; height: 100%; object-fit: cover; }

.cart-item__info { flex: 1; min-width: 120px; }
.cart-item__name { font-weight: 700; font-size: .95rem; }
.cart-item__price { font-size: .85rem; color: var(--text-muted); }

.qty-control {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.qty-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.qty-btn:hover { background: var(--surface-2); }
.qty-value { font-weight: 700; min-width: 24px; text-align: center; }

.cart-item__subtotal { font-weight: 700; font-size: 1rem; min-width: 80px; text-align: right; }

.cart-summary-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.cart-summary-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: .9rem;
  padding: .5rem 0;
  border-top: 1px solid var(--border);
}
.summary-row:first-of-type { border-top: none; }
.summary-row--total { font-weight: 800; font-size: 1.05rem; color: var(--accent-2); }

.cart-actions { display: flex; flex-direction: column; gap: .75rem; margin-top: 1.25rem; }

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}
.empty-state__icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state__title { font-size: 1.25rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.empty-state__desc  { font-size: .9rem; margin-bottom: 1.5rem; }

/* ── Product Detail ── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.product-detail__img-wrap {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.product-detail__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__cat {
  display: inline-block;
  padding: .25rem .85rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: rgba(124,90,245,.2);
  border: 1px solid rgba(124,90,245,.4);
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.product-detail__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.product-detail__stock {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .25rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}
.product-detail__stock.in-stock {
  background: rgba(34,197,94,.15);
  border: 1px solid rgba(34,197,94,.3);
  color: var(--success);
}
.product-detail__stock.out-of-stock {
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.3);
  color: var(--danger);
}

.product-detail__price {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
}

.product-detail__desc {
  color: var(--text-muted);
  line-height: 1.75;
  font-size: .95rem;
  margin-bottom: 2rem;
}

.product-detail__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Page Header ── */
.page-header {
  padding: 3rem 0 2rem;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(124,90,245,.08) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}
.page-header__title { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: .4rem; }
.page-header__sub   { color: var(--text-muted); }

/* ── Controls Bar ── */
.controls-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: .7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-dim); }

.cat-select {
  padding: .7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--transition);
  outline: none;
}
.cat-select:focus { border-color: var(--accent); }
.cat-select option { background: var(--surface); }

/* ── FAQ Accordion ── */
.faq-list { display: flex; flex-direction: column; gap: .75rem; }

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.1rem 1.25rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: .95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: 1rem;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--surface-2); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  color: var(--text-dim);
}
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--accent-2); }
.faq-item.open .faq-question { color: var(--accent-2); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s cubic-bezier(.4,0,.2,1);
}
.faq-item.open .faq-answer { max-height: 400px; }

.faq-answer__inner {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* ── Contact Form ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.contact-info-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem 0;
  border-top: 1px solid var(--border);
}
.contact-info-item:first-of-type { border-top: none; }
.contact-info-icon { font-size: 1.1rem; margin-top: .1rem; flex-shrink: 0; }
.contact-info-label { font-size: .78rem; color: var(--text-dim); margin-bottom: .15rem; }
.contact-info-value { font-weight: 600; font-size: .9rem; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .45rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--accent); }
.form-control::placeholder { color: var(--text-dim); }
.form-control.error { border-color: var(--danger); }

textarea.form-control { resize: vertical; min-height: 120px; }

.form-error { font-size: .78rem; color: var(--danger); margin-top: .35rem; }

.form-success {
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.3);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  color: var(--success);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-visual {
  background: linear-gradient(135deg, rgba(124,90,245,.2), rgba(6,182,212,.2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
}
.about-visual__icon { font-size: 4rem; margin-bottom: 1rem; }
.about-visual__name { font-size: 1.5rem; font-weight: 800; }
.about-visual__sub  { color: var(--text-muted); font-size: .9rem; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.value-card__icon  { font-size: 1.5rem; margin-bottom: .75rem; }
.value-card__title { font-weight: 700; margin-bottom: .35rem; }
.value-card__desc  { font-size: .85rem; color: var(--text-muted); line-height: 1.5; }

/* ── Footer ── */
.footer {
  margin-top: auto;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3,1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer__brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: .5rem;
}
.footer__brand-desc {
  font-size: .83rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer__col-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  margin-bottom: .85rem;
}

.footer__link {
  display: block;
  font-size: .87rem;
  color: var(--text-muted);
  padding: .2rem 0;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--accent-2); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-dim);
}

/* ── Not Found ── */
.not-found {
  text-align: center;
  padding: 5rem 1rem;
}
.not-found__code  { font-size: 5rem; font-weight: 900; opacity: .1; line-height: 1; }
.not-found__title { font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; }
.not-found__desc  { color: var(--text-muted); margin-bottom: 2rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .cart-wrapper { flex-direction: column; }
  .cart-summary { width: 100%; }
  .product-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid   { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .navbar__menu { display: none; }
  .hamburger    { display: flex; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero__stats  { gap: 1.5rem; }
  .section { padding: 2.5rem 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
  .features-grid { grid-template-columns: 1fr; }
}