:root {
    --grafito: #0E1311;
    --grafito-2: #161B19;
    --grafito-3: #1E2422;
    --blanco: #FFFFFF;
    --gris-claro: #F4F4F2;
    --gris-claro-2: #ECECE8;
    --gris-tecnico: #505050;
    --gris-borde: #2A2F2D;
    --gris-borde-claro: #E2E2DE;
    --naranja: #f8af3c;
    --naranja-2: #f9bc5e;
    --azul: #293462;
    --azul-2: #354080;
    --rojo-vial: #f01e1f;
    --celeste-vial: #4A9DD8;
    --bermellon: #f01e1f;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Montserrat', sans-serif;
    background: var(--blanco);
    color: var(--grafito);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    overflow-x: hidden;
  }
  h1, h2, h3, h4, h5 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.05;
    text-wrap: balance;
  }
  .mono { font-family: 'Montserrat', sans-serif; font-feature-settings: "tnum"; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  img, svg { display: block; max-width: 100%; }
  input, select, textarea { font-family: inherit; font-size: inherit; }

  .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 48px;
  }
  @media (max-width: 768px) {
    .container { padding: 0 20px; }
  }

  /* ============ HEADER ============ */
  .header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s;
    border-bottom: 1px solid transparent;
  }
  .header.scrolled {
    background: rgba(14, 19, 17, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: rgba(255,255,255,0.08);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
    color: var(--blanco);
  }
  .logo {
    display: flex;
    align-items: center;
  }
  .logo img {
    height: 44px;
    width: auto;
    display: block;
  }
  .nav {
    display: flex;
    gap: 38px;
    align-items: center;
  }
  .nav a {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.005em;
    opacity: 0.85;
    transition: opacity 0.2s;
  }
  .nav a:hover { opacity: 1; }
  .nav a.active { opacity: 1; }
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--naranja);
    color: var(--grafito);
    padding: 12px 22px;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: -0.005em;
    border-radius: 4px;
    transition: background 0.2s;
  }
  .header-cta:hover { background: var(--naranja-2); }
  .header-cta::after {
    content: '→';
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
  }
  .menu-btn {
    display: none;
    color: white;
    font-size: 24px;
    width: 44px; height: 44px;
    align-items: center;
    justify-content: center;
  }
  @media (max-width: 980px) {
    .nav, .header-cta { display: none; }
    .menu-btn { display: flex; }
  }

  /* ============ HERO ============ */
  .hero {
    position: relative;
    min-height: 100vh;
    color: var(--blanco);
    padding-top: 78px;
    overflow: hidden;
    background: var(--grafito);
  }
  .hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
  }
  /* Asphalt + road-paint placeholder background */
  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(180deg, rgba(14,19,17,0.55) 0%, rgba(14,19,17,0.75) 60%, rgba(14,19,17,0.95) 100%),
      repeating-linear-gradient(
        100deg,
        #1a1a1a 0px,
        #1f1f1f 3px,
        #161616 6px,
        #1c1c1c 10px
      );
  }
  /* Animated road dash */
  .hero-road {
    position: absolute;
    left: 0; right: 0;
    bottom: 18%;
    height: 14px;
    background-image: linear-gradient(90deg, var(--naranja) 50%, transparent 50%);
    background-size: 80px 14px;
    opacity: 0.55;
    animation: road 6s linear infinite;
    transform: rotate(-2deg) translateY(0);
  }
  .hero-road.r2 {
    bottom: 10%;
    height: 6px;
    background-image: linear-gradient(90deg, var(--blanco) 50%, transparent 50%);
    background-size: 50px 6px;
    opacity: 0.25;
    animation-duration: 9s;
    transform: rotate(-2deg) translateY(0);
  }
  @keyframes road {
    from { background-position: 0 0; }
    to { background-position: -800px 0; }
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-road { animation: none; }
  }
  .hero-grain {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 3px 3px;
    pointer-events: none;
  }

  .hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 80px;
    align-items: end;
    padding: 80px 0 100px;
    min-height: calc(100vh - 78px);
  }
  @media (max-width: 1100px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; align-items: start; padding-top: 60px; }
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px 8px 8px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(8px);
    font-size: 12px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 32px;
  }
  .hero-badge-pill {
    background: var(--naranja);
    color: var(--grafito);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
  }

  .hero h1 {
    font-size: clamp(44px, 6.4vw, 96px);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.98;
    margin-bottom: 32px;
    max-width: 12ch;
  }
  .hero h1 .accent {
    color: var(--naranja);
  }
  .hero-sub {
    font-size: clamp(16px, 1.4vw, 19px);
    color: rgba(255,255,255,0.72);
    max-width: 52ch;
    line-height: 1.5;
    margin-bottom: 40px;
    font-weight: 400;
  }

  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 64px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.005em;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--naranja);
    color: var(--grafito);
  }
  .btn-primary:hover { background: var(--naranja-2); transform: translateY(-1px); }
  .btn-secondary {
    background: transparent;
    color: var(--blanco);
    border-color: rgba(255,255,255,0.25);
  }
  .btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }
  .btn-dark {
    background: var(--grafito);
    color: var(--blanco);
  }
  .btn-dark:hover { background: var(--grafito-3); }
  .btn-outline-dark {
    background: transparent;
    color: var(--grafito);
    border-color: var(--grafito);
  }
  .btn-outline-dark:hover { background: var(--grafito); color: white; }
  .btn::after { content: '→'; font-family: 'Montserrat', sans-serif; }
  .btn.no-arrow::after { content: none; }

  .trust-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 24px;
    max-width: 760px;
  }
  .trust-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .trust-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    letter-spacing: 0.05em;
  }
  .trust-label {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
  }
  @media (max-width: 700px) {
    .trust-row { grid-template-columns: repeat(2, 1fr); gap: 16px 24px; }
  }

  /* ============ QUICK QUOTE CARD ============ */
  .quote-card {
    background: rgba(20, 25, 23, 0.78);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 32px;
    color: var(--blanco);
    position: relative;
  }
  .quote-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--naranja);
  }
  .quote-card-eyebrow {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--naranja);
    margin-bottom: 12px;
  }
  .quote-card h3 {
    font-size: 26px;
    margin-bottom: 22px;
  }
  .field {
    margin-bottom: 16px;
  }
  .field label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 6px;
  }
  .field select, .field input, .field textarea {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.14);
    color: var(--blanco);
    padding: 12px 14px;
    font-size: 14px;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
  }
  .field select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='white' stroke-width='1.4' fill='none' stroke-linecap='square'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
  }
  .field select option { background: var(--grafito); color: white; }
  .field select:focus, .field input:focus, .field textarea:focus {
    outline: none;
    border-color: var(--naranja);
  }
  .quote-card .btn {
    width: 100%;
    justify-content: space-between;
    margin-top: 8px;
  }
  .quote-help {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    margin-top: 14px;
    line-height: 1.5;
  }

  /* ============ NAMEPLATE band ============ */
  .nameplate {
    background: var(--grafito);
    color: var(--blanco);
    position: relative;
    border-top: 1px solid var(--gris-borde);
    border-bottom: 1px solid var(--gris-borde);
  }
  .nameplate::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: repeating-linear-gradient(
      -45deg,
      var(--naranja) 0px, var(--naranja) 14px,
      var(--grafito) 14px, var(--grafito) 28px
    );
  }
  .nameplate-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr 1.1fr;
    gap: 0;
    padding: 28px 0 26px;
  }
  @media (max-width: 980px) { .nameplate-inner { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 520px) { .nameplate-inner { grid-template-columns: 1fr; } }
  .np-cell {
    padding: 6px 32px;
    border-left: 1px solid rgba(255,255,255,0.10);
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 70px;
  }
  .np-cell:first-child { border-left: none; padding-left: 0; }
  @media (max-width: 980px) {
    .np-cell { padding: 12px 20px; border-left: none; border-top: 1px solid rgba(255,255,255,0.08); }
    .np-cell:first-child, .np-cell:nth-child(2) { border-top: none; }
  }
  .np-key {
    font-family: 'Montserrat', sans-serif;
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--naranja);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .np-key::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--naranja);
  }
  .np-val {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 19px;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }
  .np-sub {
    font-family: 'Montserrat', sans-serif;
    font-size: 10.5px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
  }
  .np-cta { justify-content: center; }
  .np-cta .np-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--naranja);
    transition: gap 0.2s;
    align-self: flex-start;
  }
  .np-cta .np-link:hover { gap: 14px; }
  .np-cta .np-link::after { content: '→'; color: var(--naranja); }

  /* ============ SECTIONS COMMON ============ */
  section { position: relative; }
  .section-pad {
    padding: 120px 0;
  }
  @media (max-width: 768px) {
    .section-pad { padding: 80px 0; }
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gris-tecnico);
    margin-bottom: 18px;
  }
  .eyebrow::before {
    content: '';
    width: 22px; height: 1px;
    background: var(--naranja);
  }
  .eyebrow.light { color: rgba(255,255,255,0.7); }

  .section-title {
    font-size: clamp(36px, 4.4vw, 60px);
    max-width: 22ch;
    margin-bottom: 20px;
    letter-spacing: -0.035em;
  }
  .section-lead {
    font-size: 18px;
    color: var(--gris-tecnico);
    max-width: 60ch;
    line-height: 1.55;
  }
  .section-head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: end;
    margin-bottom: 64px;
  }
  @media (max-width: 768px) {
    .section-head { grid-template-columns: 1fr; }
  }

  /* ============ BENEFITS ============ */
  .benefits {
    background: var(--gris-claro);
  }
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gris-borde-claro);
    border: 1px solid var(--gris-borde-claro);
  }
  @media (max-width: 1000px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .benefits-grid { grid-template-columns: 1fr; } }
  .benefit {
    background: var(--blanco);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 320px;
    position: relative;
  }
  .benefit-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    color: var(--gris-tecnico);
    letter-spacing: 0.08em;
  }
  .benefit-icon {
    width: 56px; height: 56px;
    background: var(--grafito);
    color: var(--naranja);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    flex-shrink: 0;
  }
  .benefit h3 {
    font-size: 22px;
    margin-bottom: 4px;
  }
  .benefit p {
    font-size: 14px;
    color: var(--gris-tecnico);
    line-height: 1.6;
    margin-top: auto;
  }

  /* ============ CATEGORIES BAR ============ */
  .categories-bar {
    background: var(--grafito);
    color: var(--blanco);
    padding: 80px 0;
  }
  .cat-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--gris-borde);
    border: 1px solid var(--gris-borde);
  }
  @media (max-width: 1000px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 500px) { .cat-grid { grid-template-columns: 1fr; } }
  .cat {
    background: var(--grafito);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 180px;
    transition: background 0.2s;
    cursor: pointer;
  }
  .cat:hover { background: var(--grafito-3); }
  .cat-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    letter-spacing: 0.08em;
  }
  .cat h4 {
    font-size: 20px;
    line-height: 1.1;
    margin-top: auto;
  }
  .cat-meta {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    font-family: 'Montserrat', sans-serif;
    margin-top: 8px;
  }

  /* ============ FEATURED PRODUCT ============ */
  .featured {
    background: var(--blanco);
    padding: 0;
  }
  .featured-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 700px;
  }
  @media (max-width: 1000px) {
    .featured-inner { grid-template-columns: 1fr; }
  }
  .featured-media {
    background: var(--grafito);
    position: relative;
    overflow: hidden;
    min-height: 500px;
  }
  .featured-visual {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, transparent 40%, transparent 65%, rgba(0,0,0,0.55) 100%);
    z-index: 1;
  }
  .featured-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
  }
  .featured-tag, .featured-spec-overlay { z-index: 2; }
  .featured-tag {
    position: absolute;
    top: 32px; left: 32px;
    background: var(--bermellon);
    color: white;
    padding: 8px 14px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    z-index: 2;
  }
  .featured-spec-overlay {
    position: absolute;
    bottom: 32px; left: 32px; right: 32px;
    z-index: 2;
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 16px;
  }
  .featured-spec-overlay span { letter-spacing: 0.05em; }
  .featured-spec-overlay span strong { color: var(--bermellon); margin-right: 6px; }

  .featured-content {
    padding: 80px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--blanco);
  }
  @media (max-width: 768px) {
    .featured-content { padding: 60px 24px; }
  }
  .featured-content h2 {
    font-size: clamp(36px, 4vw, 56px);
    line-height: 1.0;
    margin-bottom: 28px;
    letter-spacing: -0.035em;
  }
  .featured-desc {
    font-size: 16px;
    color: var(--gris-tecnico);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 52ch;
  }
  .spec-table {
    border-top: 1px solid var(--gris-borde-claro);
    margin-bottom: 36px;
  }
  .spec-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gris-borde-claro);
    font-size: 14px;
  }
  .spec-row dt {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--gris-tecnico);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    align-self: center;
  }
  .spec-row dd {
    color: var(--grafito);
    font-weight: 500;
  }
  .color-chips {
    display: flex;
    gap: 8px;
    align-items: center;
  }
  .chip {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
  }
  .featured-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  /* ============ CATALOG ============ */
  .catalog {
    background: var(--gris-claro);
    padding: 120px 0;
  }
  .cat-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    border-bottom: 1px solid var(--gris-borde-claro);
  }
  .cat-tab {
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gris-tecnico);
    letter-spacing: -0.005em;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    position: relative;
    top: 1px;
  }
  .cat-tab.active {
    color: var(--grafito);
    border-bottom-color: var(--naranja);
    font-weight: 600;
  }
  .cat-tab:hover { color: var(--grafito); }
  .cat-tab .count {
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    margin-left: 6px;
    color: var(--gris-tecnico);
    opacity: 0.6;
  }

  .catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  @media (max-width: 1000px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 640px) { .catalog-grid { grid-template-columns: 1fr; } }

  .product-card {
    background: var(--blanco);
    border: 1px solid var(--gris-borde-claro);
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s, transform 0.2s;
  }
  .product-card:hover { border-color: var(--grafito); }
  .product-image {
    aspect-ratio: 4/3;
    background: var(--grafito);
    position: relative;
    overflow: hidden;
  }
  .product-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.45) 0%, transparent 35%, transparent 70%, rgba(0,0,0,0.25) 100%);
    z-index: 1;
  }
  .product-color-band {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 8px;
    z-index: 2;
    display: flex;
  }
  .color-swatch {
    flex: 1;
    height: 100%;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
  }
  .color-swatch::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 7px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--negro);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 10;
  }
  .color-swatch:hover::after {
    opacity: 1;
  }
  .product-image-num {
    position: absolute;
    top: 14px; right: 14px;
    color: var(--naranja);
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    letter-spacing: 0.08em;
    z-index: 2;
  }

  .product-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
  }
  .product-meta {
    display: flex;
    justify-content: space-between;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--gris-tecnico);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .product-card h3 {
    font-size: 20px;
    line-height: 1.15;
    margin-bottom: 6px;
  }
  .product-card .desc {
    font-size: 13.5px;
    color: var(--gris-tecnico);
    line-height: 1.55;
    margin-bottom: 8px;
  }
  .product-spec {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--grafito);
    border-top: 1px dashed var(--gris-borde-claro);
    padding-top: 12px;
    margin-bottom: 12px;
  }
  .product-spec b {
    color: var(--gris-tecnico);
    font-weight: 500;
    margin-right: 4px;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .product-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
  }
  .product-actions .btn {
    flex: 1;
    padding: 12px 14px;
    font-size: 12.5px;
    justify-content: center;
    text-align: center;
  }
  .product-actions .btn::after { display: none; }

  /* ============ SECTORS ============ */
  .sectors {
    background: var(--grafito);
    color: var(--blanco);
  }
  .sectors-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    align-items: start;
  }
  @media (max-width: 1000px) {
    .sectors-grid { grid-template-columns: 1fr; gap: 40px; }
  }
  .sectors-list {
    display: grid;
    gap: 0;
  }
  .sector-row {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 24px;
    padding: 28px 0;
    border-top: 1px solid rgba(255,255,255,0.12);
    align-items: start;
    cursor: pointer;
    transition: padding 0.3s;
  }
  .sector-row:last-child { border-bottom: 1px solid rgba(255,255,255,0.12); }
  .sector-row:hover { padding-left: 16px; }
  .sector-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    color: var(--naranja);
    padding-top: 4px;
  }
  .sector-content h4 {
    font-size: 22px;
    margin-bottom: 8px;
  }
  .sector-content p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.55;
    max-width: 56ch;
  }
  .sector-arrow {
    color: var(--naranja);
    font-size: 22px;
    align-self: center;
    transition: transform 0.3s;
  }
  .sector-row:hover .sector-arrow { transform: translateX(6px); }

  /* ============ GALLERY ============ */
  .gallery {
    background: var(--blanco);
  }
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
  .gallery-item {
    position: relative;
    overflow: hidden;
    background: var(--grafito);
    border: none;
    padding: 0;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    display: block;
  }
  .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
  }
  .gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    transition: background 0.3s ease;
  }
  .gallery-item:hover img { transform: scale(1.05); }
  .gallery-item:hover::after { background: rgba(0,0,0,0.18); }

  /* Lightbox */
  .lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .lightbox.active {
    opacity: 1;
    pointer-events: all;
  }
  .lb-img-wrap {
    max-width: 90vw;
    max-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .lb-img-wrap img {
    max-width: 90vw;
    max-height: 88vh;
    object-fit: contain;
    display: block;
    border-radius: 4px;
  }
  .lb-close {
    position: fixed;
    top: 20px; right: 24px;
    background: rgba(255,255,255,0.12);
    border: none;
    color: #fff;
    font-size: 22px;
    width: 44px; height: 44px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 9001;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
  }
  .lb-close:hover { background: rgba(255,255,255,0.25); }
  .lb-prev, .lb-next {
    position: fixed;
    top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    border: none;
    color: #fff;
    font-size: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 9001;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
  }
  .lb-prev { left: 20px; }
  .lb-next { right: 20px; }
  .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.25); }

  @media (max-width: 900px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  }
  @media (max-width: 560px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .lb-prev { left: 8px; }
    .lb-next { right: 8px; }
  }

  /* ============ LOGISTICS ============ */
  .logistics {
    background: var(--gris-claro);
  }
  .logistics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
  @media (max-width: 1000px) {
    .logistics-grid { grid-template-columns: 1fr; gap: 48px; }
  }
  .logistics-intro .section-title { margin-top: 12px; }
  .logistics-desc {
    color: var(--gris-tecnico);
    font-size: 17px;
    line-height: 1.65;
    margin: 20px 0 32px;
    max-width: 44ch;
  }
  .logistics-blocks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--gris-borde-claro);
    border: 1px solid var(--gris-borde-claro);
  }
  .lblock {
    background: white;
    padding: 28px 24px;
    min-height: 150px;
  }
  .lblock-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    display: block;
  }
  .lblock h4 {
    font-size: 17px;
    line-height: 1.25;
  }

  /* ============ CONTACT FORM ============ */
  .contact {
    background: var(--grafito);
    color: white;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
  }
  .contact-side {
    position: sticky;
    top: 98px;
  }
  @media (max-width: 1000px) {
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-side { position: static; top: auto; }
  }
  .contact-side h2 {
    font-size: clamp(36px, 4vw, 56px);
    color: white;
    margin-bottom: 24px;
  }
  .contact-side p {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 42ch;
  }
  .contact-info {
    display: grid;
    gap: 20px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .ci-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    font-size: 14px;
  }
  .ci-row dt {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.5);
  }
  .ci-row dd {
    color: white;
  }
  .form-card {
    background: var(--grafito-2);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 40px;
  }
  @media (max-width: 600px) {
    .form-card { padding: 24px; }
  }
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }
  .form-row.three { grid-template-columns: 1fr 1fr 1fr; }
  .form-row.full { grid-template-columns: 1fr; }
  @media (max-width: 600px) {
    .form-row, .form-row.three { grid-template-columns: 1fr; }
  }
  .form-card .field { margin-bottom: 0; }
  .form-card textarea { resize: vertical; min-height: 120px; }
  .form-section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 32px 0 16px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .form-section-title:first-child { margin-top: 0; padding-top: 0; border: none; }

  .checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    margin: 16px 0;
  }
  .checkbox input { accent-color: var(--naranja); width: 16px; height: 16px; }

  .product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 2px 0;
  }
  .prod-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    user-select: none;
  }
  .prod-tag:hover {
    border-color: rgba(255,255,255,0.5);
    color: white;
  }
  .prod-tag input { position: absolute; opacity: 0; width: 0; height: 0; }
  .prod-tag:has(input:checked) {
    background: var(--bermellon);
    border-color: var(--bermellon);
    color: white;
  }
  .prod-tag.highlighted { box-shadow: 0 0 0 2px var(--naranja); }

  .form-help {
    font-size: 12.5px;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
    margin: 24px 0;
  }
  .form-card .btn {
    width: 100%;
    justify-content: center;
    padding: 18px;
    font-size: 15px;
  }

  .toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--grafito);
    color: white;
    padding: 18px 28px;
    z-index: 1000;
    border-left: 3px solid var(--naranja);
    font-size: 14px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.3);
    transition: transform 0.4s ease;
    max-width: 420px;
  }
  .toast.show { transform: translateX(-50%) translateY(0); }

  /* ============ FOOTER ============ */
  .footer {
    background: #07090A;
    color: white;
    padding: 100px 0 40px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  @media (max-width: 900px) {
    .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  }
  .footer-about p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.65;
    margin: 24px 0 32px;
    max-width: 40ch;
  }
  .footer-cert {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.8);
  }
  .footer-cert::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--naranja);
  }
  .footer-col h5 {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
    font-weight: 500;
  }
  .footer-col ul { list-style: none; display: grid; gap: 12px; }
  .footer-col a {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    transition: color 0.2s;
  }
  .footer-col a:hover { color: var(--naranja); }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    flex-wrap: wrap;
    gap: 16px;
  }
  .footer-bottom .socials { display: flex; gap: 18px; }
  .footer-bottom a { color: rgba(255,255,255,0.7); font-size: 13px; }
  .footer-bottom a:hover { color: var(--naranja); }

  /* WhatsApp floating */
  .wa-float {
    position: fixed;
    right: 24px; bottom: 24px;
    z-index: 90;
    background: #25D366;
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .wa-float { color: #fff; }
  .wa-float:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(0,0,0,0.25); }
  .wa-float svg { width: 30px; height: 30px; }

  /* mobile menu drawer */
  .drawer {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--grafito);
    color: white;
    padding: 80px 32px;
    transform: translateX(100%);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .drawer.open { transform: translateX(0); }
  .drawer a { font-family: 'Montserrat', sans-serif; font-size: 32px; font-weight: 600; }
  .drawer-close { position: absolute; top: 24px; right: 24px; color: white; font-size: 28px; }

  /* ============ QUOTE CART ============ */
  .cart-btn {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 150;
    display: none;
    align-items: center;
    gap: 10px;
    background: var(--azul);
    color: white;
    padding: 13px 18px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(41,52,98,0.35);
    transition: background 0.2s, transform 0.2s;
  }
  .cart-btn.visible { display: flex; }
  .cart-btn:hover { background: var(--azul-2); transform: translateY(-2px); }
  .cart-btn-icon { display: flex; align-items: center; }
  .cart-count {
    background: var(--naranja);
    color: var(--grafito);
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .cart-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 300;
  }
  .cart-panel.open ~ .cart-overlay,
  .cart-overlay.active { display: block; }

  .cart-panel {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 380px;
    max-width: 100vw;
    background: var(--grafito);
    color: white;
    z-index: 350;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.3);
  }
  .cart-panel.open { transform: translateX(0); }

  .cart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 32px 28px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .cart-header-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    color: var(--naranja);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
  }
  .cart-header-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
  }
  .cart-close {
    color: rgba(255,255,255,0.5);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    transition: color 0.15s;
    flex-shrink: 0;
    margin-top: 2px;
  }
  .cart-close:hover { color: white; }

  .cart-empty {
    padding: 40px 28px;
    color: rgba(255,255,255,0.45);
    font-size: 14px;
    line-height: 1.6;
  }

  .cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
  }
  .cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    font-size: 14px;
    gap: 12px;
  }
  .cart-item span { line-height: 1.3; }
  .cart-item-remove {
    color: rgba(255,255,255,0.35);
    font-size: 13px;
    cursor: pointer;
    flex-shrink: 0;
    padding: 4px;
    transition: color 0.15s;
  }
  .cart-item-remove:hover { color: var(--bermellon); }

  .cart-footer {
    padding: 24px 28px 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .cart-footer .btn { width: 100%; justify-content: center; }
  .cart-footer-note {
    font-size: 12px;
    color: rgba(255,255,255,0.35);
    margin-top: 12px;
    text-align: center;
    line-height: 1.5;
  }

  /* Cart add button states */
  .cart-add-btn.in-cart {
    background: var(--grafito-3);
    color: var(--naranja);
  }

  /* ============================================================
     RESPONSIVE — consolidated breakpoints
     Organized as:
       1. @media (max-width: 1100px)  — tablet
       2. @media (max-width: 768px)   — mobile
       3. @media (max-width: 480px)   — small mobile
     Rules here supplement (not duplicate) the inline media
     queries already scattered through the file above.
  ============================================================ */

  /* ---- 1. TABLET (≤ 1100px) ---- */
  @media (max-width: 1100px) {

    /* Header — tighten container padding */
    .container { padding: 0 32px; }

    /* Hero — reduce vertical padding */
    .hero-grid {
      padding-bottom: 72px;
    }

    /* Hero h1 — reduce size early */
    .hero h1 {
      font-size: clamp(38px, 5.5vw, 72px);
      max-width: 16ch;
    }

    /* Hero — hide the quote card in the sidebar at tablet,
       it still exists below in the stacked layout */
    .hero-grid > aside.quote-card {
      display: none;
    }

    /* Section padding tighten */
    .section-pad { padding: 96px 0; }

    /* Section title */
    .section-title { font-size: clamp(30px, 4vw, 52px); }

    /* Featured — image gets a reduced min-height when stacked */
    .featured-inner { min-height: auto; }
    .featured-media { min-height: 420px; }
    .featured-content { padding: 56px 48px; }

    /* Sectors — already 1-col at ≤1000px via existing rule */

    /* Footer top — gap reduction */
    .footer-top { gap: 40px; }

    /* Logistics — gap tighten */
    .logistics-grid { gap: 56px; }

    /* Contact — gap tighten */
    .contact-grid { gap: 56px; }
  }

  /* ---- 2. MOBILE (≤ 768px) ---- */
  @media (max-width: 768px) {

    /* Container */
    .container { padding: 0 20px; } /* already set globally, keep explicit */

    /* Header height */
    .header-inner { height: 64px; }
    .logo img { height: 36px; }

    /* Section padding */
    .section-pad { padding: 64px 0; }

    /* Section title */
    .section-title { font-size: clamp(26px, 7vw, 40px); }

    /* Section lead */
    .section-lead { font-size: 16px; }

    /* Hero */
    .hero {
      padding-top: 64px; /* match new header height */
    }
    .hero-grid {
      padding: 40px 0 64px;
      min-height: calc(100vh - 64px);
      gap: 32px;
    }
    .hero h1 {
      font-size: clamp(34px, 10vw, 52px);
      max-width: 18ch;
      margin-bottom: 20px;
    }
    .hero-sub {
      font-size: 15px;
      margin-bottom: 28px;
    }
    .hero-actions {
      flex-direction: column;
      gap: 10px;
      margin-bottom: 40px;
    }
    .hero-actions .btn {
      width: 100%;
      justify-content: center;
    }
    /* Hero quote card: hidden at 1100px above, but show it below the
       text block when the grid collapses to 1 column at ≤768px */
    .hero-grid > aside.quote-card {
      display: block;
    }
    /* Trust row already handles 2-col at ≤700px via existing rule */
    .trust-row { max-width: 100%; }

    /* Nameplate — reduce padding in 1-col layout */
    .nameplate-inner { padding: 20px 0; }
    .np-cell { padding: 12px 0; min-height: auto; }

    /* Benefits — already 2→1 col via existing rules */
    .benefit { padding: 28px 24px; min-height: auto; }

    /* Categories bar */
    .categories-bar { padding: 60px 0; }

    /* Cat-tabs: horizontal scrolling on mobile */
    .cat-tabs {
      flex-wrap: nowrap;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none; /* hide scrollbar on Firefox */
      -ms-overflow-style: none;
      padding-bottom: 0;
      gap: 0;
    }
    .cat-tabs::-webkit-scrollbar { display: none; }
    .cat-tab {
      flex-shrink: 0;
      white-space: nowrap;
    }

    /* Featured product — image on top, content below */
    .featured-inner {
      display: flex;
      flex-direction: column;
    }
    .featured-media {
      order: 1;
      min-height: 280px;
    }
    .featured-content {
      order: 2;
      padding: 40px 20px;
    }
    .featured-content h2 { font-size: clamp(28px, 8vw, 44px); }
    .spec-row { grid-template-columns: 120px 1fr; gap: 12px; }

    /* Catalog */
    .catalog { padding: 64px 0; }

    /* Sector rows — tighten on narrow screens */
    .sector-row {
      grid-template-columns: 40px 1fr auto;
      gap: 16px;
      padding: 20px 0;
    }
    .sector-content h4 { font-size: 18px; }

    /* Logistics */
    .logistics-blocks {
      grid-template-columns: 1fr 1fr; /* keep 2-col on mobile */
    }

    /* Contact grid — already 1-col at ≤1000px via existing rule */
    .ci-row { grid-template-columns: 100px 1fr; gap: 12px; }

    /* Product tags — ensure nice wrapping on mobile */
    .product-tags { gap: 6px; }
    .prod-tag { font-size: 12px; padding: 7px 11px; }

    /* Footer */
    .footer { padding: 72px 0 32px; }
    .footer-top { padding-bottom: 48px; }
    /* footer-top already goes 2-col at ≤900px via existing rule */

    /* Footer bottom — stack on mobile */
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }

    /* Cart panel — full width on mobile */
    .cart-panel {
      width: 100%;
    }

    /* Cart button — move slightly for smaller screens */
    .cart-btn {
      bottom: 88px;
      right: 16px;
    }

    /* WhatsApp float — move for smaller screens */
    .wa-float {
      right: 16px;
      bottom: 16px;
    }

    /* Toast — full width on mobile */
    .toast {
      left: 16px;
      right: 16px;
      transform: translateX(0) translateY(100px);
      max-width: none;
    }
    .toast.show { transform: translateX(0) translateY(0); }

    /* Buttons — allow wrapping on very tight spaces */
    .featured-actions { flex-direction: column; }
    .featured-actions .btn { width: 100%; justify-content: center; }

    /* Quote card in hero */
    .quote-card { padding: 24px 20px; }
    .quote-card h3 { font-size: 22px; }

    /* Section head already 1-col at ≤768px via existing rule */
  }

  /* ---- 3. SMALL MOBILE (≤ 480px) ---- */
  @media (max-width: 480px) {

    /* Container */
    .container { padding: 0 16px; }

    /* Section padding */
    .section-pad { padding: 48px 0; }

    /* Section title */
    .section-title { font-size: clamp(22px, 8vw, 34px); }

    /* Hero */
    .hero-grid { padding: 28px 0 48px; }
    .hero h1 {
      font-size: clamp(28px, 11vw, 42px);
      letter-spacing: -0.03em;
    }
    .hero-badge { font-size: 11px; margin-bottom: 20px; }
    .hero-actions .btn { padding: 14px 20px; font-size: 14px; }

    /* Trust row — already 2-col at ≤700px */
    .trust-item .trust-label { font-size: 12px; }

    /* Nameplate */
    .np-val { font-size: 16px; }

    /* Benefits — already 1-col at ≤600px via existing rule */
    .benefit { padding: 24px 18px; }
    .benefit h3 { font-size: 19px; }

    /* Categories bar */
    .categories-bar { padding: 48px 0; }
    /* cat-grid already 1-col at ≤500px via existing rule */

    /* Featured */
    .featured-media { min-height: 220px; }
    .featured-content { padding: 32px 16px; }
    .spec-row { grid-template-columns: 1fr; gap: 4px; padding: 10px 0; }
    .spec-row dt { color: var(--naranja); font-size: 10px; }

    /* Catalog */
    .catalog { padding: 48px 0; }
    /* catalog-grid already 1-col at ≤640px via existing rule */
    .product-body { padding: 18px 18px 20px; }
    .product-card h3 { font-size: 18px; }
    .product-actions { flex-direction: column; }
    .product-actions .btn { width: 100%; justify-content: center; }

    /* Sectors */
    .sector-row {
      grid-template-columns: 36px 1fr;
      gap: 12px;
    }
    .sector-arrow { display: none; } /* hide arrow on very small screens */
    .sector-content h4 { font-size: 16px; }
    .sector-content p { font-size: 13px; }

    /* Logistics */
    .logistics-blocks { grid-template-columns: 1fr; } /* collapse to 1-col */
    .lblock { min-height: auto; padding: 20px 18px; }
    .logistics-desc { font-size: 15px; }

    /* Contact */
    .form-card { padding: 20px 16px; }
    .ci-row { grid-template-columns: 1fr; gap: 2px; }
    .ci-row dt { margin-bottom: 0; }
    .ci-row dd { margin-bottom: 12px; }
    .contact-info { gap: 0; margin-top: 28px; }

    /* Product tags in form */
    .prod-tag { font-size: 11px; padding: 6px 10px; }

    /* Footer */
    .footer { padding: 56px 0 28px; }
    .footer-top {
      grid-template-columns: 1fr; /* collapse from 2-col to 1-col */
      gap: 32px;
      padding-bottom: 36px;
    }
    .footer-about p { font-size: 13px; }
    .footer-col h5 { margin-bottom: 14px; }

    /* Cart panel */
    .cart-header { padding: 24px 20px 18px; }
    .cart-item { padding: 12px 20px; }
    .cart-footer { padding: 18px 20px 28px; }

    /* Quote card */
    .quote-card { padding: 20px 16px; }
    .quote-card h3 { font-size: 20px; margin-bottom: 16px; }

    /* Drawer menu */
    .drawer { padding: 72px 24px; }
    .drawer a { font-size: 26px; }

    /* Buttons */
    .btn { padding: 13px 18px; font-size: 14px; }
  }

  /* ============ SCROLL ANIMATIONS ============ */
  .will-animate {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s ease;
    transition-delay: var(--anim-delay, 0ms);
  }
  .anim-fade-up    { transform: translateY(30px); }
  .anim-fade-left  { transform: translateX(-28px); }
  .anim-fade-right { transform: translateX(28px); }
  .anim-fade-in    { transform: none; }

  .will-animate.in-view {
    opacity: 1;
    transform: none;
  }

  /* Parallax: hero-bg necesita overflow visible hacia abajo */
  .hero { overflow: hidden; }
  .hero-bg { will-change: transform; }
  .hero-road { will-change: transform; }

  /* Respeto prefers-reduced-motion */
  @media (prefers-reduced-motion: reduce) {
    .will-animate {
      opacity: 1 !important;
      transform: none !important;
      transition: none !important;
    }
    .hero-bg, .hero-road { transform: none !important; }
  }