/* ============================================================
   NEXUSPC — feuille de style principale
   Esthétique : sombre, gaming, typo Anton condensée + Manrope
   ============================================================ */

:root {
  --bg:          #0b0d12;
  --bg-soft:     #11141c;
  --surface:     #14171f;
  --surface-2:   #1a1e28;
  --border:      #262b37;
  --border-soft: #1d2230;
  --text:        #f5f5f7;
  --text-soft:   #b3b6c2;
  --muted:       #7a7d89;

  --accent:        #ff5722;
  --accent-strong: #ff7043;
  --accent-glow:   rgba(255, 87, 34, 0.35);
  --cyan:          #00e5ff;
  --cyan-soft:     rgba(0, 229, 255, 0.15);

  --success: #22c55e;
  --warning: #f59e0b;
  --danger:  #ef4444;

  --radius:    14px;
  --radius-sm: 8px;
  --shadow-1:  0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-2:  0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px var(--accent), 0 0 24px var(--accent-glow);

  --font-display: 'Anton', 'Impact', system-ui, sans-serif;
  --font-body:    'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --container: 1280px;
}

/* ----------------------------- Reset ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(255, 87, 34, 0.10), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(0, 229, 255, 0.06), transparent 60%);
  pointer-events: none; z-index: -1;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-strong); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 .6em;
  line-height: 1.05;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.05rem; letter-spacing: .08em; }

::selection { background: var(--accent); color: #fff; }

/* ----------------------------- Promo bar ----------------------------- */
.promo-bar {
  background: linear-gradient(90deg, var(--accent) 0%, #ff7043 100%);
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  letter-spacing: 0.02em;
}
.promo-bar__icon { margin-right: 8px; }

/* ----------------------------- Header ----------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 16px clamp(20px, 4vw, 48px);
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
}
.logo__mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #ff7e3e);
  color: #fff;
  border-radius: 8px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(255, 87, 34, 0.4);
}
.logo__text { font-weight: 400; }

.main-nav {
  display: flex; align-items: center; gap: 6px;
  justify-content: center;
}
.main-nav a {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-soft);
  position: relative;
  transition: color .15s, background .15s;
}
.main-nav a:hover { color: var(--text); background: var(--surface); }
.main-nav__cta {
  color: var(--accent) !important;
  border: 1px solid rgba(255, 87, 34, 0.35);
}
.main-nav__cta:hover {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent);
}

.header-actions {
  display: flex; align-items: center; gap: 12px;
}
.ha-link, .ha-cart {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  transition: all .15s;
}
.ha-link:hover, .ha-cart:hover {
  color: var(--text); border-color: var(--accent);
}
.ha-link__label { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ha-cart__count {
  position: absolute; top: -8px; right: -8px;
  background: var(--accent); color: #fff;
  font-size: 0.7rem; font-weight: 800;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--bg);
}

/* ----------------------------- Flashes ----------------------------- */
.flashes {
  max-width: var(--container);
  margin: 16px auto 0;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex; flex-direction: column; gap: 8px;
}
.flash {
  padding: 14px 18px; border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent);
  background: var(--surface);
  font-weight: 600;
}
.flash--success { border-left-color: var(--success); }
.flash--error   { border-left-color: var(--danger); }
.flash--info    { border-left-color: var(--cyan); }

/* ----------------------------- Layout ----------------------------- */
.site-main {
  flex: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}
.site-main--full { max-width: none; padding: 0; }
.section { padding: 64px 0; }
.section + .section { padding-top: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); display: inline-block; }

/* ----------------------------- Hero ----------------------------- */
.hero {
  position: relative;
  min-height: 540px;
  padding: 80px clamp(20px, 4vw, 48px);
  background:
    linear-gradient(120deg, rgba(11, 13, 18, 0.92) 0%, rgba(11, 13, 18, 0.7) 50%, rgba(11, 13, 18, 0.4) 100%),
    radial-gradient(circle at 80% 50%, rgba(255, 87, 34, 0.25), transparent 60%),
    var(--bg-soft);
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
  opacity: .25;
  mask-image: radial-gradient(circle at 70% 50%, #000 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero__title {
  font-size: clamp(3rem, 7vw, 6rem);
  margin-bottom: 24px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), #ffae6b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
}
.hero__lead {
  font-size: 1.15rem;
  color: var(--text-soft);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(circle at center, rgba(0, 229, 255, 0.12) 0%, transparent 60%),
    linear-gradient(160deg, var(--surface), var(--bg));
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  display: grid; place-items: center;
}
.hero__visual::before {
  content: '';
  position: absolute; inset: -2px;
  background: conic-gradient(from 90deg, transparent 0deg, var(--accent) 60deg, transparent 120deg, transparent 240deg, var(--cyan) 300deg, transparent 360deg);
  opacity: .25;
  animation: rotateConic 12s linear infinite;
  z-index: 0;
}
.hero__visual > * { position: relative; z-index: 1; }
@keyframes rotateConic { to { transform: rotate(360deg); } }

.hero-specs {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 32px;
  width: 100%;
}
.hero-spec {
  background: rgba(11, 13, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.hero-spec strong { display: block; color: var(--accent); font-size: 0.75rem; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 4px; }

/* ----------------------------- Buttons ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all .2s;
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.35);
}
.btn--primary:hover { background: var(--accent-strong); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 87, 34, 0.5); color: #fff; }
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--cyan {
  background: transparent; color: var(--cyan);
  border: 1px solid var(--cyan);
}
.btn--cyan:hover { background: var(--cyan-soft); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--full { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: 0.85rem; }

/* ----------------------------- USP strip ----------------------------- */
.usp-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 32px clamp(20px, 4vw, 48px);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-soft);
}
.usp {
  display: flex; align-items: center; gap: 14px;
  padding: 16px;
  border-left: 3px solid var(--accent);
}
.usp__icon { font-size: 1.8rem; }
.usp__title { font-weight: 800; font-size: 0.95rem; }
.usp__sub { color: var(--muted); font-size: 0.85rem; }

/* ----------------------------- Section heads ----------------------------- */
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap; gap: 16px;
}
.section-head h2 {
  position: relative;
  margin: 0;
  padding-left: 20px;
  border-left: 6px solid var(--accent);
}

/* ----------------------------- Product grid ----------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--accent-glow);
}
.product-card__media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #1f2330, #0f1219);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.product-card__media::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 70%, rgba(0, 229, 255, 0.18), transparent 60%);
}
.product-card__media img {
  position: relative;
  width: 80%; height: 80%; object-fit: contain;
  transition: transform .4s;
}
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__placeholder {
  font-family: var(--font-display);
  font-size: 5rem;
  color: rgba(255, 87, 34, 0.2);
  letter-spacing: 0.1em;
}
.product-card__badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--accent); color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}
.product-card__body {
  padding: 18px;
  flex: 1;
  display: flex; flex-direction: column;
}
.product-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  margin: 0 0 14px;
  text-transform: uppercase;
}
.product-card__title a:hover { color: var(--accent); }

.product-card__specs {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-soft);
  display: grid; gap: 4px;
}
.product-card__specs li {
  display: flex; align-items: center; gap: 8px;
}
.product-card__specs li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 1px;
  flex-shrink: 0;
}
.product-card__price-row {
  display: flex; align-items: end; justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  gap: 10px;
}
.product-card__price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.product-card__old-price {
  font-size: 0.85rem;
  text-decoration: line-through;
  color: var(--muted);
  display: block;
}

/* ----------------------------- Catalog page ----------------------------- */
.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding: 40px 0;
}
.catalog-filters {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  height: fit-content;
  position: sticky; top: 96px;
}
.catalog-filters h4 {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--accent);
}
.filter-group { margin-bottom: 22px; }
.filter-group label {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--text-soft);
}
.filter-group label:hover { color: var(--text); }
.filter-group input[type="checkbox"], .filter-group input[type="radio"] {
  accent-color: var(--accent);
  width: 16px; height: 16px;
}

/* ----------------------------- Product detail ----------------------------- */
.product-detail {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  padding: 40px 0;
}
.product-gallery {
  position: sticky; top: 96px;
  height: fit-content;
}
.product-gallery__main {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
}
.product-gallery__main::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 70%, rgba(0, 229, 255, 0.12), transparent 60%);
  pointer-events: none;
}
.product-gallery__main img {
  width: 75%; height: 75%; object-fit: contain;
  position: relative; z-index: 1;
}

.product-info h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 8px;
}
.product-info__sku {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.product-price-block {
  display: flex; align-items: baseline; gap: 14px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.product-price-block__price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
}
.product-price-block__old {
  text-decoration: line-through;
  color: var(--muted);
}
.product-price-block__installment {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--cyan);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.spec-table tr { border-bottom: 1px solid var(--border-soft); }
.spec-table td { padding: 12px 0; }
.spec-table td:first-child {
  width: 35%;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.spec-table td:last-child { color: var(--text); font-weight: 500; }

.add-to-cart {
  display: flex; gap: 12px; align-items: center;
  margin: 24px 0;
}
.qty-input {
  display: inline-flex; align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.qty-input button {
  width: 44px; height: 44px;
  font-size: 1.2rem;
  color: var(--text-soft);
  background: var(--surface);
}
.qty-input button:hover { color: var(--accent); }
.qty-input input {
  width: 50px; height: 44px; text-align: center;
  background: transparent; border: 0; color: var(--text);
  font-weight: 700;
}
.qty-input input::-webkit-outer-spin-button,
.qty-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ----------------------------- Configurator ----------------------------- */
.builder {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  padding: 40px 0;
}
.builder-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.builder-step__head {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
}
.builder-step__num {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  background: var(--accent); color: #fff;
  font-family: var(--font-display);
  border-radius: 6px;
}
.builder-step__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0;
}
.builder-step__selected {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--cyan);
  font-weight: 600;
}
.builder-options {
  display: grid;
  gap: 8px;
  padding: 16px;
}
.builder-option {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
}
.builder-option:hover { border-color: var(--accent); background: var(--surface-2); }
.builder-option input { display: none; }
.builder-option input:checked + .builder-option__label,
.builder-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(255, 87, 34, 0.06);
}
.builder-option__name { font-weight: 700; font-size: 0.95rem; }
.builder-option__brand { color: var(--muted); font-size: 0.78rem; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.builder-option__desc { color: var(--text-soft); font-size: 0.85rem; margin-top: 4px; }
.builder-option__price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
  white-space: nowrap;
}

.builder-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky; top: 96px;
  height: fit-content;
}
.builder-summary h3 {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}
.summary-line {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--border-soft);
}
.summary-line__label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
.summary-line__value { color: var(--text); text-align: right; max-width: 60%; }
.summary-line__value strong { display: block; font-size: 0.92rem; }
.summary-line__value small { color: var(--accent); font-weight: 700; }
.summary-total {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--border);
  display: flex; justify-content: space-between; align-items: baseline;
}
.summary-total__label { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.1em; }
.summary-total__price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
}

/* ----------------------------- Cart / Checkout ----------------------------- */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td { padding: 16px 12px; text-align: left; border-bottom: 1px solid var(--border-soft); }
.cart-table th {
  background: var(--surface-2);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--text-soft);
}
.cart-item { display: flex; align-items: center; gap: 14px; }
.cart-item__media {
  width: 70px; height: 70px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.cart-item__media img { width: 60px; height: 60px; object-fit: contain; }
.cart-item__name { font-weight: 700; }
.cart-item__detail { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  padding: 32px 0;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.form-card h3 {
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-row--single { grid-template-columns: 1fr; }
.form-field label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 700;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-field textarea { min-height: 100px; resize: vertical; }

.summary-box {
  position: sticky; top: 96px;
  height: fit-content;
}
.summary-box h3 { margin: 0 0 16px; }
.summary-box .summary-row {
  display: flex; justify-content: space-between;
  padding: 8px 0;
}
.summary-box .summary-row--total {
  border-top: 2px solid var(--accent);
  margin-top: 12px;
  padding-top: 14px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
}

/* ----------------------------- Auth pages ----------------------------- */
.auth-wrap {
  display: grid; place-items: center;
  min-height: 70vh;
  padding: 40px 20px;
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-2);
}
.auth-card h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 2rem;
}
.auth-card__sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 28px;
}

/* ----------------------------- Footer ----------------------------- */
.site-footer {
  margin-top: 80px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  padding: 56px clamp(20px, 4vw, 48px) 0;
}
.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 8px; }
.footer-col a { color: var(--text-soft); font-size: 0.92rem; }
.footer-col a:hover { color: var(--accent); }
.footer-brand p { color: var(--muted); font-size: 0.92rem; max-width: 360px; }
.footer-contact { margin-top: 16px; line-height: 1.8; }
.footer-bottom {
  max-width: var(--container);
  margin: 56px auto 0;
  padding: 24px 0;
  border-top: 1px solid var(--border-soft);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ----------------------------- Admin ----------------------------- */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.admin-sidebar {
  background: var(--bg-soft);
  border-right: 1px solid var(--border-soft);
  padding: 24px 0;
}
.admin-sidebar .logo { padding: 0 24px 24px; }
.admin-nav a {
  display: block;
  padding: 12px 24px;
  color: var(--text-soft);
  font-weight: 600;
  border-left: 3px solid transparent;
}
.admin-nav a:hover { color: var(--text); background: var(--surface); border-left-color: var(--accent); }
.admin-nav a.active { color: var(--accent); border-left-color: var(--accent); background: var(--surface); }

.admin-main { padding: 32px clamp(20px, 4vw, 48px); }
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  border-left: 3px solid var(--accent);
}
.stat-card__label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.stat-card__value { font-family: var(--font-display); font-size: 2.2rem; color: var(--text); margin-top: 6px; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--border-soft); }
.data-table th { background: var(--surface-2); font-family: var(--font-display); letter-spacing: 0.05em; font-size: 0.85rem; color: var(--text-soft); }
.data-table tr:hover { background: var(--surface); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.badge--pending    { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge--paid       { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge--assembling { background: rgba(0, 229, 255, 0.15); color: var(--cyan); }
.badge--shipped    { background: rgba(255, 87, 34, 0.15); color: var(--accent); }
.badge--delivered  { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge--cancelled  { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* ----------------------------- Empty state ----------------------------- */
.empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
}
.empty__icon { font-size: 4rem; margin-bottom: 16px; opacity: 0.5; }
.empty h3 { margin-bottom: 8px; }

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .builder { grid-template-columns: 1fr; }
  .builder-summary { position: static; }
  .checkout-grid { grid-template-columns: 1fr; }
  .summary-box { position: static; }
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-filters { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .usp-strip { grid-template-columns: repeat(2, 1fr); }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { border-right: 0; border-bottom: 1px solid var(--border-soft); }
}

@media (max-width: 720px) {
  .site-header { grid-template-columns: auto auto; gap: 12px; }
  .main-nav { display: none; }
  .ha-link__label { display: none; }
  .hero { min-height: auto; padding: 40px 20px; }
  .hero__title { font-size: clamp(2.4rem, 9vw, 3.4rem); }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card__body { padding: 12px; }
  .product-card__title { font-size: 0.95rem; }
  .product-card__price { font-size: 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; }
  .cart-table tr { padding: 14px 0; border-bottom: 1px solid var(--border-soft); }
  .cart-table td { border: 0; padding: 4px 0; }
}

/* Animation helpers */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal .7s forwards;
}
.reveal:nth-child(2) { animation-delay: .08s; }
.reveal:nth-child(3) { animation-delay: .16s; }
.reveal:nth-child(4) { animation-delay: .24s; }
.reveal:nth-child(5) { animation-delay: .32s; }
.reveal:nth-child(6) { animation-delay: .4s; }
@keyframes reveal { to { opacity: 1; transform: none; } }