/*
 * ============================================================
 *  SARGOM DESIGN SYSTEM  —  sargom-ds.css  v1.0
 * ============================================================
 *
 *  QUESTO FILE NON VA MAI MODIFICATO per cambiare la grafica.
 *  Contiene solo struttura, layout e componenti.
 *  Tutti i colori vengono dai file tema in /css/themes/
 *
 *  Per cambiare tema → vedi COME-CAMBIARE-TEMA.md
 * ============================================================
 */


/* ============================================================
   1. RESET E BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  margin: 0;
  background-color: var(--sg-bg);
  color: var(--sg-text);
  font-family: var(--sg-font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--sg-text); text-decoration: none; transition: color .2s; }
a:hover { color: var(--sg-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5,h6 { margin: 0; line-height: 1.15; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }


/* ============================================================
   2. LAYOUT
   ============================================================ */
.sg-container {
  width: 100%;
  max-width: var(--sg-maxw);
  margin-inline: auto;
  padding-inline: var(--sg-gutter);
}

.sg-section {
  padding-block: var(--sg-section-py);
  border-top: 1px solid var(--sg-border);
}
.sg-section--first { border-top: none; }

.sg-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sg-gap); }
.sg-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sg-gap); }
.sg-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sg-gap); }
.sg-flex-between { display: flex; align-items: center; justify-content: space-between; }
.sg-flex-center  { display: flex; align-items: center; justify-content: center; }


/* ============================================================
   3. TIPOGRAFIA
   ============================================================ */
.sg-kicker {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sg-muted);
  margin-bottom: .5rem;
}

.sg-h1 {
  font-family: var(--sg-font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.08;
}

.sg-h2 {
  font-family: var(--sg-font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.sg-h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .35rem; }

.sg-lead {
  font-size: 1rem;
  color: var(--sg-text-muted);
  line-height: 1.75;
}

.sg-small { font-size: .85rem; color: var(--sg-muted); }


/* ============================================================
   4. BOTTONI
   ============================================================ */
.sg-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--sg-radius-pill);
  font-family: var(--sg-font-body);
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .2s, transform .15s, box-shadow .2s, color .2s;
  white-space: nowrap;
  line-height: 1;
}
.sg-btn:hover  { transform: translateY(-1px); }
.sg-btn:active { transform: translateY(0); }

.sg-btn-primary {
  background: var(--sg-accent);
  color: #fff;
  border-color: var(--sg-accent);
  box-shadow: 0 4px 14px var(--sg-accent-shadow);
}
.sg-btn-primary:hover { background: var(--sg-accent-hover); border-color: var(--sg-accent-hover); color:#fff; }

.sg-btn-outline {
  background: transparent;
  color: var(--sg-accent);
  border-color: var(--sg-accent);
}
.sg-btn-outline:hover { background: var(--sg-accent); color: #fff; }

.sg-btn-ghost {
  background: transparent;
  color: var(--sg-text-muted);
  border-color: var(--sg-border);
}
.sg-btn-ghost:hover { color: var(--sg-text); border-color: var(--sg-text-muted); }

.sg-btn-sm { padding: 7px 14px; font-size: .82rem; }
.sg-btn-lg { padding: 14px 30px; font-size: 1rem; }


/* ============================================================
   4b. BOTTONI CATALOGO / SCHEDA PRODOTTO (sgp-btn)
   Sistema centralizzato: usato da prodotti.aspx, sottoprodotti.aspx.
   Bordo sottile visibile sempre, arancio solo su hover (outline);
   primario mantiene testo bianco su hover, solo lift + shadow.
   ============================================================ */
.sgp-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 20px;border-radius:8px;font-size:.88rem;font-weight:600;
  text-decoration:none;transition:.2s;cursor:pointer;border:none;
}
.sgp-btn-primary{background:var(--sg-accent);color:#fff!important;transition:transform .15s,box-shadow .15s}
.sgp-btn-primary:hover{color:#fff!important;transform:translateY(-2px);box-shadow:0 6px 20px var(--sg-accent-shadow)}
.sgp-btn-outline{
  background:transparent;color:var(--sg-text2,#ccc);
  border:1px solid var(--sg-border,rgba(255,255,255,.15));
}
.sgp-btn-outline:hover{border-color:var(--sg-accent);color:var(--sg-accent)}
.sgp-btn-wa{background:#25d366;color:#fff!important;transition:transform .15s,box-shadow .15s}
.sgp-btn-wa:hover{color:#fff!important;transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,211,102,.55)}
.sgp-btn-sm{padding:8px 16px;font-size:.82rem}


/* ============================================================
   5. CARDS
   ============================================================ */
.sg-card {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  overflow: hidden;
  box-shadow: var(--sg-shadow);
  display: flex;
  flex-direction: column;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.sg-card:hover {
  transform: translateY(-3px);
  border-color: var(--sg-accent);
  box-shadow: var(--sg-shadow-hover);
}

.sg-card-img { width:100%; aspect-ratio: 4/3; object-fit: cover; }

.sg-card-body {
  padding: 18px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sg-card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--sg-border);
}

/* Card catalogo (link block) */
.sg-catalog-card {
  display: block;
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  overflow: hidden;
  text-align: center;
  transition: transform .2s, border-color .2s;
}
.sg-catalog-card:hover { transform: translateY(-3px); border-color: var(--sg-accent); }
.sg-catalog-card img   { width:100%; height: 300px; background-color:#fff; object-fit: cover; }
.sg-catalog-card-label {
  display: block;
  padding: 14px 12px;
  font-weight: 700;
  font-size: .92rem;
  color: var(--sg-text);
}

/* Card strength */
.sg-strength {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 22px;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: start;
  box-shadow: var(--sg-shadow);
}

.sg-strength-icon {
  width: 44px; height: 44px;
  border-radius: var(--sg-radius-sm);
  background: var(--sg-accent-subtle);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sg-strength-icon svg {
  width: 22px; height: 22px;
  stroke: var(--sg-accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Card settore */
.sg-sector {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-sm);
  padding: 16px 8px;
  text-align: center;
  font-weight: 600;
  font-size: .88rem;
  color: var(--sg-text-muted);
  transition: border-color .2s, color .2s;
}
.sg-sector:hover { /* TEMP disabilitato: non sono ancora link cliccabili. Riabilitare border-color/color quando i link saranno attivi. */ }

/* Card recensione */
.sg-review {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 22px;
}
.sg-review-stars { color: var(--sg-accent); font-size: .95rem; margin-bottom: 10px; letter-spacing: 2px; }
.sg-review-author { font-weight: 700; font-size: .88rem; margin-top: 14px; color: var(--sg-text-muted); }


/* ============================================================
   6. FORM
   ============================================================ */
.sg-form-group { display: flex; flex-direction: column; gap: 6px; }

.sg-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--sg-text-muted);
}

.sg-input,
.sg-select,
.sg-textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--sg-input-bg);
  border: 1px solid var(--sg-input-border);
  border-radius: var(--sg-radius-sm);
  color: var(--sg-text);
  font-family: var(--sg-font-body);
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  -webkit-appearance: none;
}
.sg-input:focus,
.sg-select:focus,
.sg-textarea:focus {
  border-color: var(--sg-accent);
  box-shadow: 0 0 0 3px var(--sg-accent-subtle);
}
.sg-textarea { resize: vertical; min-height: 120px; }

.sg-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.sg-form-grid .sg-full { grid-column: 1 / -1; }


/* ============================================================
   7. BADGE / CHIP
   ============================================================ */
.sg-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sg-chip-bg);
  border: 1px solid var(--sg-chip-border);
  color: var(--sg-text);
  padding: 7px 14px;
  border-radius: var(--sg-radius-pill);
  font-size: .82rem;
  font-weight: 700;
}

.sg-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--sg-radius-pill);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.sg-badge-accent { background: var(--sg-accent); color: #fff; }
.sg-badge-muted  { background: var(--sg-border); color: var(--sg-text-muted); }
.sg-badge-ok     { background: #1a7a4a; color: #fff; }


/* ============================================================
   8. HEADER / NAV
   ============================================================ */
.sg-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--sg-header-bg);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--sg-header-border);
}

.sg-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--sg-header-h);
  gap: 16px;
}

.sg-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.sg-logo-img  { height: 34px; width: auto; }
.sg-logo-text { font-weight: 800; font-size: 1.2rem; letter-spacing: .5px; color: var(--sg-text); }

.sg-navlinks { display: flex; align-items: center; gap: 2px; }
.sg-navlinks a {
  color: var(--sg-nav-link);
  font-weight: 600;
  font-size: .88rem;
  padding: 6px 12px;
  border-radius: var(--sg-radius-sm);
  transition: background .15s, color .15s;
}
.sg-navlinks a:hover  { color: var(--sg-text); background: var(--sg-nav-hover-bg); }
.sg-navlinks a.active { color: var(--sg-accent); }

.sg-nav-actions { display: flex; align-items: center; gap: 8px; }

.sg-nav-icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--sg-radius-sm);
  background: transparent;
  border: 1px solid var(--sg-border);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--sg-text-muted);
  transition: background .15s, color .15s;
  position: relative;
}
.sg-nav-icon-btn:hover { background: var(--sg-panel); color: var(--sg-text); }

.sg-cart-count {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--sg-accent);
  color: #fff;
  font-size: .62rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sg-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: transparent;
  border: none;
}
.sg-hamburger span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--sg-text);
  border-radius: 4px;
  transition: transform .3s, opacity .3s;
}
.sg-hamburger.is-active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.sg-hamburger.is-active span:nth-child(2) { opacity: 0; }
.sg-hamburger.is-active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.sg-mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--sg-panel);
  border-top: 1px solid var(--sg-border);
}
.sg-mobile-menu.is-open { display: flex; }
.sg-mobile-menu a {
  padding: 14px var(--sg-gutter);
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 1px solid var(--sg-border);
  color: var(--sg-text);
}
.sg-mobile-menu a:last-child { border-bottom: none; }


/* ============================================================
   9. HERO
   ============================================================ */
.sg-hero {
  position: relative;
  isolation: isolate;
  min-height: var(--sg-hero-min-h);
  display: flex;
  align-items: center;
}

.sg-hero-bg {
  position: absolute;
  inset: 0;
  background-image: var(--sg-hero-overlay), var(--sg-hero-img);
  background-size: cover;
  background-position: center;
  z-index: -1;
}

.sg-hero-inner {
  padding-block: 80px 64px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
  width: 100%;
}

.sg-hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }


/* ============================================================
   10. FOOTER
   ============================================================ */
.sg-footer {
  background: var(--sg-footer-bg);
  border-top: 1px solid var(--sg-footer-border);
  color: var(--sg-footer-text);
  padding-block: 52px 28px;
}

.sg-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--sg-footer-border);
}

.sg-footer-col-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sg-muted);
  margin-bottom: 14px;
}

.sg-footer-links { display: flex; flex-direction: column; gap: 9px; }
.sg-footer-links a { color: var(--sg-footer-text); font-size: .88rem; transition: color .15s; }
.sg-footer-links a:hover { color: var(--sg-text); }

.sg-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  font-size: .78rem;
  color: var(--sg-muted);
  flex-wrap: wrap;
  gap: 10px;
}


/* ============================================================
   11. SEZIONI HOMEPAGE
   ============================================================ */
.sg-cta-band {
  background: linear-gradient(135deg, var(--sg-panel) 0%, var(--sg-bg-alt) 100%);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 52px 48px;
  text-align: center;
}

.sg-sectors-grid {
  display: grid;
  grid-template-columns: repeat(6,1fr);
  gap: 14px;
}

.sg-video-wrap {
  position: relative;
  border-radius: var(--sg-radius-card);
  overflow: hidden;
}
.sg-video-wrap img { width:100%; display:block; }
.sg-video-play {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(0,0,0,.65);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: var(--sg-radius-pill);
  color: #fff;
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}


/* ============================================================
   12. CATALOGO / CATEGORIE
   ============================================================ */
.sg-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px;
  margin-top: 28px;
}

.sg-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--sg-muted);
  padding: 14px 0;
}
.sg-breadcrumb a { color: var(--sg-muted); }
.sg-breadcrumb a:hover { color: var(--sg-accent); }
.sg-breadcrumb-sep { opacity: .4; }

.sg-sidebar-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 28px;
  align-items: start;
}
.sg-sidebar {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 20px;
  position: sticky;
  top: calc(var(--sg-header-h) + 12px);
}
.sg-filter-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--sg-muted);
  margin-bottom: 10px;
  margin-top: 18px;
}
.sg-filter-title:first-child { margin-top: 0; }
.sg-filter-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: .88rem;
  cursor: pointer;
  color: var(--sg-text-muted);
}
.sg-filter-check:hover { color: var(--sg-text); }


/* ============================================================
   13. PAGINA PRODOTTO
   ============================================================ */
.sg-product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}

.sg-product-gallery-main {
  border-radius: var(--sg-radius-card);
  overflow: hidden;
  border: 1px solid var(--sg-border);
  aspect-ratio: 4/3;
  background: var(--sg-panel);
  cursor: zoom-in;
}
.sg-product-gallery-main img { width:100%; height:100%; object-fit: cover; }

.sg-product-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.sg-product-thumb {
  width: 70px; height: 70px;
  border-radius: var(--sg-radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color .15s;
}
.sg-product-thumb.active,
.sg-product-thumb:hover { border-color: var(--sg-accent); }

.sg-purchase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 20px;
}
.sg-purchase-card {
  background: var(--sg-panel);
  border: 2px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 18px 16px;
  transition: border-color .2s;
}
.sg-purchase-card:hover,
.sg-purchase-card.selected { border-color: var(--sg-accent); }
.sg-purchase-card-title {
  font-size: .72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--sg-muted);
  margin-bottom: 8px;
}
.sg-price { font-size: 1.55rem; font-weight: 800; color: var(--sg-text); line-height: 1; }
.sg-price-unit { font-size: .78rem; font-weight: 400; color: var(--sg-muted); margin-left: 3px; }

.sg-specs-table { width:100%; border-collapse: collapse; font-size: .88rem; margin-top: 8px; }
.sg-specs-table tr { border-bottom: 1px solid var(--sg-border); }
.sg-specs-table tr:last-child { border-bottom: none; }
.sg-specs-table td { padding: 9px 10px; vertical-align: top; }
.sg-specs-table td:first-child { color: var(--sg-muted); font-weight: 600; width: 42%; white-space: nowrap; }

.sg-faq-item { border-bottom: 1px solid var(--sg-border); }
.sg-faq-question {
  width: 100%; background: none; border: none; text-align: left;
  padding: 15px 0;
  font-family: var(--sg-font-body);
  font-size: .92rem;
  font-weight: 700;
  color: var(--sg-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.sg-faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--sg-accent);
  line-height: 1;
  flex-shrink: 0;
  transition: transform .2s;
}
.sg-faq-item.is-open .sg-faq-question::after { transform: rotate(45deg); }
.sg-faq-answer {
  display: none;
  padding-bottom: 16px;
  color: var(--sg-text-muted);
  font-size: .9rem;
  line-height: 1.75;
}
.sg-faq-item.is-open .sg-faq-answer { display: block; }


/* ============================================================
   14. CARRELLO
   ============================================================ */
.sg-cart-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}

.sg-cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--sg-border);
}
.sg-cart-item-img { width:80px; height:80px; border-radius: var(--sg-radius-sm); object-fit: cover; }

.sg-cart-summary {
  background: var(--sg-panel);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius-card);
  padding: 24px;
  position: sticky;
  top: calc(var(--sg-header-h) + 12px);
}
.sg-cart-total-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: .92rem;
}
.sg-cart-total-row.total {
  font-weight: 800;
  font-size: 1.05rem;
  border-top: 1px solid var(--sg-border);
  margin-top: 8px;
  padding-top: 14px;
}

.sg-steps { display: flex; align-items: center; margin-bottom: 32px; }
.sg-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--sg-muted);
  flex: 1;
}
.sg-step.active { color: var(--sg-accent); }
.sg-step.done   { color: var(--sg-text-muted); }
.sg-step-num {
  width: 27px; height: 27px;
  border-radius: 50%;
  border: 2px solid var(--sg-border);
  display: grid;
  place-items: center;
  font-size: .78rem;
  flex-shrink: 0;
  transition: background .2s, border-color .2s;
}
.sg-step.active .sg-step-num { background: var(--sg-accent); border-color: var(--sg-accent); color: #fff; }
.sg-step.done .sg-step-num   { background: var(--sg-border); border-color: var(--sg-border); }
.sg-step-sep { flex:1; height: 1px; background: var(--sg-border); margin: 0 8px; max-width: 48px; }


/* ============================================================
   15. UTILITY
   ============================================================ */
.sg-mt-1 { margin-top: .5rem; }
.sg-mt-2 { margin-top: 1rem; }
.sg-mt-3 { margin-top: 1.5rem; }
.sg-mt-4 { margin-top: 2.5rem; }
.sg-mb-1 { margin-bottom: .5rem; }
.sg-mb-2 { margin-bottom: 1rem; }
.sg-mb-3 { margin-bottom: 1.5rem; }
.sg-mb-4 { margin-bottom: 2.5rem; }

.sg-text-center { text-align: center; }
.sg-text-right  { text-align: right; }
.sg-hidden      { display: none !important; }
.sg-sr-only     { position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0); }

.sg-divider { border:none; border-top: 1px solid var(--sg-border); margin-block: var(--sg-gap); }


/* ============================================================
   16. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sg-grid-4        { grid-template-columns: 1fr 1fr; }
  .sg-sectors-grid  { grid-template-columns: repeat(3,1fr); }
  .sg-hero-inner    { grid-template-columns: 1fr; }
  .sg-footer-grid   { grid-template-columns: 1fr 1fr; }
  .sg-sidebar-layout { grid-template-columns: 1fr; }
  .sg-sidebar       { position: static; }
  .sg-product-layout { grid-template-columns: 1fr; }
  .sg-cart-layout   { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sg-grid-3        { grid-template-columns: 1fr; }
  .sg-grid-2        { grid-template-columns: 1fr; }
  .sg-catalog-grid  { grid-template-columns: 1fr 1fr; }
  .sg-navlinks      { display: none; }
  .sg-hamburger     { display: flex; }
  .sg-cta-band      { padding: 28px 20px; }
  .sg-purchase-grid { grid-template-columns: 1fr; }
  .sg-form-grid     { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .sg-catalog-grid  { grid-template-columns: 1fr; }
  .sg-sectors-grid  { grid-template-columns: repeat(2,1fr); }
  .sg-footer-grid   { grid-template-columns: 1fr; }
}