/* ==========================================================================
   COMPONENTS — hero, cards, footer, forms, tablas, FAQ, whatsapp, etc.
   ========================================================================== */

/* ---------------------------- HERO ---------------------------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center;
  background: radial-gradient(ellipse 100% 70% at 80% 0%, rgba(20,101,196,.35), transparent 60%),
              linear-gradient(180deg, var(--c-graphite-950) 0%, #070b10 60%, var(--c-graphite-950) 100%);
  color: #fff;
}
.hero__bg-slideshow { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__bg-photo {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: 0; filter: saturate(1) contrast(1.02);
  animation-name: heroBgCrossfade;
  animation-duration: 36s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}
.hero__bg-photo:nth-child(1) { animation-delay: 0s; }
.hero__bg-photo:nth-child(2) { animation-delay: 6s; }
.hero__bg-photo:nth-child(3) { animation-delay: 12s; }
.hero__bg-photo:nth-child(4) { animation-delay: 18s; }
.hero__bg-photo:nth-child(5) { animation-delay: 24s; }
.hero__bg-photo:nth-child(6) { animation-delay: 30s; }

@keyframes heroBgCrossfade {
  0%      { opacity: 0; }
  4%      { opacity: 0.88; }
  14%     { opacity: 0.88; }
  19%     { opacity: 0; }
  100%    { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg-photo { animation: none; opacity: 0; }
  .hero__bg-photo:first-child { opacity: 0.88; }
}

.hero__overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6,9,13,.82) 0%, rgba(6,9,13,.55) 38%, rgba(6,9,13,.08) 68%, rgba(6,9,13,0) 85%),
    linear-gradient(180deg, rgba(6,9,13,.05) 0%, rgba(6,9,13,.08) 55%, rgba(6,9,13,.5) 100%);
}

/* ---- Hero "lamp" ignition: haz de luz ambiental detrás del titular ---- */
.hero__lamp { position: absolute; z-index: 1; top: 0; left: 0; width: min(760px, 74%); height: 62%; pointer-events: none; overflow: visible; }
.hero__lamp-beam {
  position: absolute; top: -14%; width: 15rem; height: 24rem; opacity: 0;
  filter: blur(2px);
}
.hero__lamp-beam--l {
  left: -4%;
  background: conic-gradient(from 210deg at 35% 0%, rgba(63,155,255,.6), transparent 55%);
  animation: heroLampBeamL 1.2s var(--ease-out) .2s both;
}
.hero__lamp-beam--r {
  left: 16%;
  background: conic-gradient(from 150deg at 65% 0%, transparent 55%, rgba(63,155,255,.4));
  animation: heroLampBeamR 1.2s var(--ease-out) .2s both;
}
.hero__lamp-glow {
  position: absolute; top: -6%; left: 4%; width: 20rem; height: 13rem; border-radius: 50%;
  background: radial-gradient(circle, rgba(63,155,255,.5), transparent 72%);
  filter: blur(46px); opacity: 0;
  animation: heroLampGlow 1s var(--ease-out) .25s both;
}
.hero__lamp-line {
  position: absolute; top: 6%; left: 2%; height: 2px; width: 0;
  background: linear-gradient(90deg, rgba(63,155,255,0), var(--c-blue-400) 40%, rgba(63,155,255,0));
  box-shadow: 0 0 12px 1px rgba(63,155,255,.6);
  animation: heroLampLine 1s var(--ease-out) .4s both;
}
@keyframes heroLampBeamL { from { opacity: 0; width: 8rem; } to { opacity: .8; width: 15rem; } }
@keyframes heroLampBeamR { from { opacity: 0; width: 8rem; } to { opacity: .5; width: 13rem; } }
@keyframes heroLampGlow  { from { opacity: 0; transform: scale(.7); } to { opacity: 1; transform: scale(1); } }
@keyframes heroLampLine  { from { opacity: 0; width: 0; } to { opacity: 1; width: 13rem; } }
@media (max-width: 860px) {
  .hero__lamp { width: 100%; height: 46%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__lamp-beam, .hero__lamp-glow, .hero__lamp-line { animation: none; opacity: .5; }
  .hero__lamp-line { width: 13rem; }
}
.hero__content, .hero__content * { text-shadow: 0 2px 14px rgba(0,0,0,.55); }
.hero__content .btn, .hero__content .badge { text-shadow: none; }
.hero__content { position: relative; z-index: 2; padding-block: calc(var(--space-3xl) + 40px) var(--space-3xl); width: 100%; }
.hero__badge { margin-bottom: var(--space-lg); }
.hero h1 {
  max-width: 22ch; margin-bottom: var(--space-sm);
  font-family: "Coolvetica", var(--font-display);
  letter-spacing: 0.005em;
  line-height: 1.05;
  padding-bottom: 0.08em;
}
.hero h1 .accent { color: var(--c-blue-400); }
.hero__lead { font-size: 1.02rem; line-height: 1.7; color: var(--c-steel-300); max-width: 56ch; margin-bottom: var(--space-lg); }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: var(--space-3xl); }

.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); max-width: 820px; border-top: 1px solid var(--border-dark); padding-top: var(--space-lg); }
.hero__stat-num { font-family: var(--font-display); font-size: clamp(1.6rem, 2.4vw, 2.4rem); font-weight: 600; color: #fff; display: flex; align-items: baseline; gap: 2px; }
.hero__stat-label { font-size: 0.78rem; color: var(--c-steel-400); margin-top: 4px; line-height: 1.35; }

@media (max-width: 860px) {
  .hero { min-height: 92vh; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-lg); }
}

/* ---------------------------- INNER HERO (páginas interiores) ---------------------------- */
.inner-hero {
  position: relative; overflow: hidden; color: #fff;
  padding-block: calc(var(--space-2xl) + 30px) var(--space-xl);
  background: linear-gradient(180deg, var(--c-graphite-950), var(--c-graphite-900));
}
.inner-hero__content { position: relative; z-index: 2; }
.inner-hero h1 { max-width: 22ch; margin-block: var(--space-sm); }
.inner-hero__lead { color: var(--c-steel-300); max-width: 62ch; font-size: var(--fs-lead); }
.inner-hero--photo { background: var(--c-graphite-950); }
.inner-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.inner-hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(6,9,13,.6) 0%, rgba(6,9,13,.35) 45%, transparent 75%);
}
.inner-hero--photo .inner-hero__content { text-shadow: 0 2px 10px rgba(0,0,0,.55); }

/* ---------------------------- BREADCRUMB ---------------------------- */
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.82rem; color: var(--c-steel-400); margin-bottom: var(--space-md); }
.breadcrumb a { color: var(--c-steel-300); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb__sep { opacity: .5; }
.breadcrumb--light { color: var(--text-on-light-dim); }
.breadcrumb--light a { color: var(--text-on-light-dim); }
.breadcrumb--light a:hover { color: var(--c-blue-600); }

/* ---------------------------- SECTION HEAD ---------------------------- */
.section-head { max-width: 720px; margin-bottom: var(--space-xl); }
.section-head h2 { margin-block: var(--space-xs) var(--space-sm); }
.section-head p { color: var(--text-on-light-dim); font-size: var(--fs-lead); }
.surface-dark .section-head p, .surface-dark-alt .section-head p { color: var(--c-steel-400); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--split { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-lg); max-width: none; }

/* ---------------------------- PRODUCT CARD ---------------------------- */
.product-card {
  display: flex; flex-direction: column;
  background: var(--bg-white); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card::after {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius-md);
  border: 1.5px solid transparent; pointer-events: none;
  transition: border-color var(--dur-base) var(--ease-out);
}
.product-card:hover::after { border-color: var(--c-blue-400); }
.product-card__media { aspect-ratio: 4/3; background: var(--bg-light-alt); overflow: hidden; position: relative; }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; padding: 14%; transition: transform var(--dur-slow) var(--ease-out); }
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__cat { position: absolute; top: 12px; left: 12px; }
.product-card__body { padding: var(--space-md); display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card__type { font-size: 0.72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-blue-600); }
.product-card__name { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; line-height: 1.3; }
.product-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; font-size: 0.72rem; color: var(--text-on-light-dim); font-family: var(--font-mono); }
.product-card__meta span { background: var(--bg-light-alt); padding: 4px 8px; border-radius: 5px; }
.product-card__foot { margin-top: auto; padding-top: var(--space-sm); border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }

/* ---------------------------- CATEGORY BLOCK (grande, con hover) ---------------------------- */
.cat-block {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  aspect-ratio: 4/5; display: flex; flex-direction: column; justify-content: flex-end;
  background: linear-gradient(155deg, var(--c-graphite-800), var(--c-graphite-950));
  color: #fff; padding: var(--space-lg);
  border: 1px solid var(--border-dark);
}
.cat-block__art { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: .5; transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base); }
.cat-block__art svg { width: 68%; color: var(--c-blue-500); }
.cat-block:hover .cat-block__art { transform: scale(1.08); opacity: .68; }
.cat-block__art--img { opacity: .85; }
.cat-block__art--img img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05) brightness(.7); }
.cat-block:hover .cat-block__art--img { opacity: 1; }
.cat-block:hover .cat-block__art--img img { filter: saturate(1.1) brightness(.8); }
.cat-block__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 20%, rgba(6,9,13,.92) 100%); }
.cat-block__content { position: relative; z-index: 2; }

/* Última tarjeta cuando el total no completa la fila: ocupa todo el ancho */
.cat-block--wide {
  grid-column: 1 / -1; aspect-ratio: auto; min-height: 260px;
  flex-direction: row; align-items: center; justify-content: flex-start;
  padding: var(--space-lg) var(--space-xl);
}
.cat-block--wide .cat-block__overlay { background: linear-gradient(100deg, transparent 32%, rgba(6,9,13,.85) 55%, var(--c-graphite-950) 72%); }
.cat-block--wide .cat-block__content { max-width: 48%; margin-left: auto; }
@media (max-width: 900px) {
  .cat-block--wide {
    aspect-ratio: 4/5; flex-direction: column; justify-content: flex-end;
    padding: var(--space-lg); min-height: 0;
  }
  .cat-block--wide .cat-block__overlay { background: linear-gradient(180deg, transparent 20%, rgba(6,9,13,.92) 100%); }
  .cat-block--wide .cat-block__content { max-width: none; margin-left: 0; }
}
.cat-block__num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: rgba(255,255,255,.22); display: block; margin-bottom: 6px; }
.cat-block__title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; margin-bottom: 8px; letter-spacing: -.01em; }
.cat-block__desc { font-size: 0.86rem; color: var(--c-steel-400); margin-bottom: var(--space-sm); }
.cat-block__link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .82rem; letter-spacing: .03em; text-transform: uppercase; color: var(--c-blue-300); }
.cat-block__link svg { width: 15px; height: 15px; transition: transform var(--dur-base) var(--ease-out); }
.cat-block:hover .cat-block__link svg { transform: translate(4px, -4px); }

/* ---------------------------- SERVICE CARD ---------------------------- */
.service-card {
  background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
  padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  height: 100%;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-card__icon { width: 52px; height: 52px; border-radius: 12px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; color: var(--c-blue-600); }
.service-card__icon svg { width: 26px; height: 26px; }
.service-card__title { font-size: 1.2rem; font-weight: 700; font-family: var(--font-heading); }
.service-card__desc { color: var(--text-on-light-dim); font-size: 0.92rem; flex: 1; }

/* ---------------------------- PROJECT CARD ---------------------------- */
.project-card { border-radius: var(--radius-md); overflow: hidden; background: var(--bg-white); border: 1px solid var(--border-light); }
.project-card__media { aspect-ratio: 16/10; overflow: hidden; position: relative; background: var(--c-graphite-900); }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.project-card:hover .project-card__media img { transform: scale(1.05); }
.project-card__body { padding: var(--space-md); }
.project-card__meta { display: flex; gap: 10px; font-size: 0.74rem; color: var(--text-on-light-dim); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.project-card__title { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; }

/* ---------------------------- EMPTY STATE ---------------------------- */
.empty-state {
  text-align: center; padding: var(--space-2xl) var(--space-lg);
  border: 1px dashed var(--border-light-strong); border-radius: var(--radius-lg);
  color: var(--text-on-light-dim);
}
.surface-dark .empty-state, .surface-dark-alt .empty-state { border-color: var(--border-dark-strong); color: var(--c-steel-400); }
.empty-state__icon { width: 52px; height: 52px; margin: 0 auto var(--space-sm); color: var(--c-blue-400); opacity: .8; }
.empty-state h3 { margin-bottom: var(--space-2xs); }

/* ---------------------------- WHY US CARD ---------------------------- */
.why-card { display: flex; gap: var(--space-md); padding: var(--space-lg) 0; border-top: 1px solid var(--border-light); }
.why-card__icon { width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px; background: var(--accent-soft); color: var(--c-blue-600); display: flex; align-items: center; justify-content: center; }
.why-card__icon svg { width: 22px; height: 22px; }
.why-card__title { font-weight: 700; font-family: var(--font-heading); margin-bottom: 4px; }
.why-card__desc { color: var(--text-on-light-dim); font-size: 0.9rem; }

/* ---------------------------- STATS STRIP ---------------------------- */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.stats-strip__item { text-align: center; padding: var(--space-lg) var(--space-sm); border: 1px solid var(--border-dark); border-radius: var(--radius-md); background: rgba(255,255,255,.02); }
.stats-strip__num { font-family: var(--font-display); font-size: clamp(2rem, 3vw, 3rem); font-weight: 700; color: #fff; }
.stats-strip__label { font-size: 0.82rem; color: var(--c-steel-400); margin-top: 6px; }
@media (max-width: 760px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }

/* ---------------------------- PROCESS STEPS ---------------------------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); position: relative; }
.process-step { position: relative; padding-top: var(--space-md); }
.process-step__num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--c-blue-500); margin-bottom: var(--space-sm); }
.process-step__title { font-weight: 700; font-family: var(--font-heading); margin-bottom: 6px; }
.process-step__desc { color: var(--text-on-light-dim); font-size: 0.88rem; }
.process-step:not(:last-child)::after {
  content: ""; position: absolute; top: 22px; left: calc(100% - 8px); width: calc(var(--space-lg) + 16px); height: 1px;
  background: repeating-linear-gradient(90deg, var(--c-blue-400) 0 6px, transparent 6px 12px);
  display: none;
}
@media (min-width: 900px) { .process-step:not(:last-child)::after { display: block; } }
@media (max-width: 760px) { .process-steps { grid-template-columns: 1fr 1fr; } }

/* ---------------------------- TABLE ---------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border-light); border-radius: var(--radius-md); }
.data-table { min-width: 640px; font-size: 0.9rem; }
.data-table th, .data-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border-light); white-space: nowrap; }
.data-table thead th { background: var(--c-graphite-900); color: #fff; font-family: var(--font-heading); font-size: 0.76rem; text-transform: uppercase; letter-spacing: .05em; }
.data-table tbody tr:hover { background: var(--bg-light-alt); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table td:first-child, .data-table th:first-child { font-weight: 600; }

.compare-table td.is-hdpe { background: var(--accent-soft); font-weight: 600; }
.compare-table th.is-hdpe { background: var(--c-blue-600); color: #fff; }

/* ---------------------------- PE100 FEATURE GRID ---------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.feature-item { padding: var(--space-md); border-radius: var(--radius-md); background: rgba(255,255,255,.03); border: 1px solid var(--border-dark); }
.feature-item__icon { width: 38px; height: 38px; color: var(--c-blue-400); margin-bottom: var(--space-sm); }
.feature-item__title { font-weight: 700; font-family: var(--font-heading); font-size: 0.95rem; margin-bottom: 4px; color: #fff; }
.feature-item__desc { font-size: 0.82rem; color: var(--c-steel-400); }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------------------------- SEARCH BOX ---------------------------- */
.search-box { background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-lg); border: 1px solid var(--border-light); }
.search-box__input-row { display: flex; gap: 10px; align-items: center; border: 2px solid var(--border-light-strong); border-radius: var(--radius-sm); padding: 8px 8px 8px 20px; transition: border-color var(--dur-fast); }
.search-box__input-row:focus-within { border-color: var(--c-blue-500); }
.search-box__input-row svg { width: 20px; height: 20px; color: var(--text-on-light-dim); flex-shrink: 0; }
.search-box__input-row input { flex: 1; border: none; outline: none; padding: 12px 0; font-size: 1.05rem; background: transparent; }

/* Buscador grande con halo que sigue el cursor */
.search-box__glow {
  position: relative; border-radius: calc(var(--radius-md) + 2px); padding: 2px;
  background: var(--border-light-strong); isolation: isolate;
}
.search-box__glow::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 0;
  background: radial-gradient(180px circle at var(--mx, -999px) var(--my, -999px), var(--c-blue-400), transparent 72%);
  opacity: 0; transition: opacity .35s ease; pointer-events: none;
}
.search-box__glow:hover::before,
.search-box__glow:focus-within::before { opacity: 1; }
.search-box__input-row--lg {
  position: relative; z-index: 1; background: var(--bg-white);
  border: none; border-radius: calc(var(--radius-md) - 1px);
  padding: 10px 10px 10px 26px; gap: 14px;
}
.search-box__input-row--lg svg { width: 24px; height: 24px; }
.search-box__input-row--lg input { font-size: 1.15rem; padding: 16px 0; }
.search-box__input-row--lg .btn { padding-inline: 28px; font-size: 0.92rem; }
@media (max-width: 640px) {
  .search-box__input-row--lg { flex-wrap: wrap; padding: 16px 16px 14px; }
  .search-box__input-row--lg input { width: 100%; order: 1; }
  .search-box__input-row--lg svg { order: 0; }
  .search-box__input-row--lg .btn { order: 2; width: 100%; }
}
.search-box__examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-sm); justify-content: center; }
.search-box__example { font-size: 0.78rem; padding: 6px 12px; border-radius: 100px; background: var(--bg-light-alt); color: var(--text-on-light-dim); transition: background var(--dur-fast), color var(--dur-fast); }
.search-box__example:hover { background: var(--accent-soft); color: var(--c-blue-700); }

/* Variante sobre fondo oscuro */
.surface-dark .search-box, .surface-dark-alt .search-box {
  background: rgba(255,255,255,.04); border: 1px solid var(--border-dark-strong);
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.5); backdrop-filter: blur(6px);
}
.surface-dark .search-box__glow, .surface-dark-alt .search-box__glow { background: var(--border-dark-strong); }
.surface-dark .search-box__input-row--lg, .surface-dark-alt .search-box__input-row--lg {
  background: var(--c-graphite-950);
}
.surface-dark .search-box__input-row--lg input, .surface-dark-alt .search-box__input-row--lg input {
  color: var(--text-on-dark); caret-color: var(--c-blue-400);
}
.surface-dark .search-box__input-row--lg input::placeholder, .surface-dark-alt .search-box__input-row--lg input::placeholder {
  color: var(--c-steel-500);
}
.surface-dark .search-box__input-row--lg svg, .surface-dark-alt .search-box__input-row--lg svg { color: var(--c-blue-300); }
.surface-dark .search-box__example, .surface-dark-alt .search-box__example {
  background: rgba(255,255,255,.06); color: var(--c-steel-300);
}
.surface-dark .search-box__example:hover, .surface-dark-alt .search-box__example:hover {
  background: rgba(63,155,255,.18); color: var(--c-blue-300);
}
.surface-dark .search-box__results-count, .surface-dark-alt .search-box__results-count { color: var(--c-steel-400); }
.search-box__filters { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--border-light); }
.search-box__filter-group { display: flex; flex-direction: column; gap: 6px; min-width: 140px; flex: 1; }
.search-box__filter-group label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-on-light-dim); }
.search-box__filter-group select { padding: 10px 12px; border: 1px solid var(--border-light-strong); border-radius: var(--radius-sm); background: var(--bg-white); }
.search-box__results-count { font-size: 0.85rem; color: var(--text-on-light-dim); margin-top: var(--space-sm); }

/* ---------------------------- CATALOG LAYOUT ---------------------------- */
.catalog-layout { display: grid; grid-template-columns: 280px 1fr; gap: var(--space-xl); align-items: start; }
.catalog-sidebar {
  position: sticky; top: calc(var(--header-h-scrolled) + var(--space-md));
  background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
  padding: var(--space-md); box-shadow: 0 4px 18px -6px rgba(10,52,102,.08);
}
.filter-group { padding-block: var(--space-md); border-bottom: 1px solid var(--border-light); }
.filter-group:first-child { padding-top: var(--space-2xs); }
.filter-group:last-child { border-bottom: none; padding-bottom: var(--space-2xs); }
.filter-group__title {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--c-blue-700);
  margin-bottom: var(--space-sm);
}
.filter-group__title::before {
  content: ""; width: 4px; height: 14px; border-radius: 3px;
  background: linear-gradient(180deg, var(--c-blue-400), var(--c-blue-600));
}
.filter-option {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; margin: 0 -10px;
  font-size: 0.9rem; color: var(--text-on-light-dim); border-radius: 8px; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.filter-option:hover { background: var(--accent-soft); color: var(--c-blue-700); }
.filter-option input {
  width: 17px; height: 17px; accent-color: var(--c-blue-500); cursor: pointer; flex-shrink: 0;
}
.filter-option:has(input:checked) { background: var(--accent-soft); color: var(--c-blue-700); font-weight: 600; }
.search-box__input-row {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border-light-strong); border-radius: var(--radius-sm);
  background: var(--bg-white); transition: border-color .15s ease, box-shadow .15s ease;
}
.search-box__input-row:focus-within { border-color: var(--c-blue-400); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-box__input-row svg { color: var(--c-blue-500); flex-shrink: 0; }
.search-box__input-row input {
  border: none; outline: none; background: transparent; width: 100%;
  font-size: 0.9rem; padding: 9px 10px 9px 0; color: var(--text-on-light);
}
.filter-select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border-light-strong);
  border-radius: var(--radius-sm); background: var(--bg-white); font-size: 0.9rem;
  cursor: pointer; transition: border-color .15s ease;
}
.filter-select:hover, .filter-select:focus { border-color: var(--c-blue-400); }
#catalogClear {
  border-color: var(--c-blue-200, var(--border-light-strong)); color: var(--c-blue-700);
  transition: background .15s ease, border-color .15s ease;
}
#catalogClear:hover { background: var(--accent-soft); border-color: var(--c-blue-400); }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-lg); gap: var(--space-md); flex-wrap: wrap; }
.catalog-toolbar select { padding: 9px 12px; border: 1px solid var(--border-light-strong); border-radius: var(--radius-sm); background: var(--bg-white); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
@media (max-width: 1080px) { .catalog-layout { grid-template-columns: 1fr; } .catalog-sidebar { position: static; } }
@media (max-width: 760px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .product-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) and (min-width: 761px) { .product-grid { grid-template-columns: repeat(2,1fr);} }

.filters-toggle-mobile { display: none; }
@media (max-width: 1080px) {
  .filters-toggle-mobile { display: inline-flex; }
  .catalog-sidebar { display: none; }
  .catalog-sidebar.is-open { display: block; }
}

/* ---------------------------- FAQ ACCORDION ---------------------------- */
.faq-item { border-bottom: 1px solid var(--border-light); }
.surface-dark .faq-item, .surface-dark-alt .faq-item { border-color: var(--border-dark); }
.faq-item__q {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  width: 100%; padding: 22px 4px; text-align: left;
  font-family: var(--font-heading); font-weight: 700; font-size: 1.02rem;
}
.faq-item__q svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform var(--dur-base) var(--ease-out); color: var(--c-blue-500); }
.faq-item.is-open .faq-item__q svg { transform: rotate(45deg); }
.faq-item__a { max-height: 0; overflow: hidden; transition: max-height var(--dur-base) var(--ease-out); }
.faq-item__a-inner { padding: 0 4px 22px; color: var(--text-on-light-dim); font-size: 0.94rem; max-width: 70ch; }
.surface-dark .faq-item__a-inner, .surface-dark-alt .faq-item__a-inner { color: var(--c-steel-400); }

/* ---------------------------- FORM ---------------------------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.3fr; gap: var(--space-2xl); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form-header { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-sm); flex-wrap: wrap; }
.form-progress__label { font-size: 0.78rem; font-weight: 700; color: var(--c-blue-600); }
.form-progress { height: 5px; border-radius: 4px; background: var(--bg-light-alt); overflow: hidden; margin: 10px 0 var(--space-md); }
.form-progress__bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--c-blue-400), var(--c-blue-600)); border-radius: 4px; transition: width .35s ease; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-field { display: flex; flex-direction: column; gap: 6px; position: relative; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 0.82rem; font-weight: 700; color: var(--text-on-light-dim); }
.form-field label .req { color: var(--c-blue-600); }
.form-field__control { position: relative; display: flex; align-items: center; }
.form-field__icon { position: absolute; left: 12px; width: 16px; height: 16px; color: var(--text-on-light-dim); pointer-events: none; transition: color var(--dur-fast); }
.form-field__control input { padding-left: 38px; }
.form-field:focus-within .form-field__icon { color: var(--c-blue-500); }
.form-field.is-valid .form-field__icon { color: var(--c-success, #1c9e5a); }
.form-field.is-valid .form-field__control input { border-color: var(--c-success, #1c9e5a); }
.form-field.is-shake { animation: form-field-shake .35s ease; }
@keyframes form-field-shake { 0%,100%{ transform: translateX(0); } 25%{ transform: translateX(-4px); } 75%{ transform: translateX(4px); } }
.form-field__count { align-self: flex-end; font-size: 0.72rem; color: var(--text-on-light-dim); }
.form-field__file-preview {
  display: flex; align-items: center; gap: 8px; margin-top: 8px; padding: 8px 12px;
  border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--c-blue-700); font-size: 0.85rem;
}
.form-field__file-preview svg { width: 16px; height: 16px; flex-shrink: 0; }
.form-field__file-preview span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-field__file-preview button { border: none; background: none; color: var(--c-blue-700); font-size: 1.1rem; line-height: 1; cursor: pointer; padding: 0 4px; }
.form-field__file.is-dragover { border-color: var(--c-blue-500); background: var(--accent-soft); }
.btn__spinner {
  display: none; width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.4); border-top-color: #fff;
  animation: btn-spin .6s linear infinite; margin-right: 2px;
}
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: .85; }
.btn.is-loading { pointer-events: none; opacity: .85; }
@keyframes btn-spin { to { transform: rotate(360deg); } }
.form-field input, .form-field select, .form-field textarea {
  padding: 13px 14px; border: 1px solid var(--border-light-strong); border-radius: var(--radius-sm);
  background: var(--bg-white); transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--c-blue-500); box-shadow: 0 0 0 3px rgba(28,125,232,.14); }
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field__file { border: 1.5px dashed var(--border-light-strong); border-radius: var(--radius-sm); padding: var(--space-md); text-align: center; color: var(--text-on-light-dim); font-size: 0.85rem; cursor: pointer; transition: border-color var(--dur-fast), background var(--dur-fast); }
.form-field__file:hover { border-color: var(--c-blue-400); background: var(--accent-soft); }
.form-field__error { font-size: 0.78rem; color: #d64545; display: none; }
.form-field.has-error input, .form-field.has-error select, .form-field.has-error textarea { border-color: #d64545; }
.form-field.has-error .form-field__error { display: block; }
.form-note { font-size: 0.78rem; color: var(--text-on-light-dim); margin-top: var(--space-sm); }
.form-success { display: none; text-align: center; padding: var(--space-2xl) var(--space-md); }
.form-success.is-visible { display: block; }
.form-success__icon { width: 56px; height: 56px; color: var(--c-success); margin: 0 auto var(--space-md); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------------------------- QUOTE WIDGET ---------------------------- */
.quote-widget { background: var(--c-graphite-900); border: 1px solid var(--border-dark-strong); border-radius: var(--radius-lg); padding: var(--space-lg); color: #fff; }
.quote-widget__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); align-items: end; }
.quote-widget select, .quote-widget input {
  width: 100%; padding: 12px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-dark-strong);
  background: rgba(255,255,255,.05); color: #fff;
}
.quote-widget label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--c-steel-400); margin-bottom: 6px; display: block; }
@media (max-width: 900px) { .quote-widget__grid { grid-template-columns: 1fr 1fr; } }

/* ---------------------------- TWO COLUMN INTRO ---------------------------- */
.split-block { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; }
.split-block__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5; }
.split-block__media img { width: 100%; height: 100%; object-fit: cover; }
.split-block__floater {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  background: rgba(6,9,13,.82); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md);
  padding: var(--space-md); color: #fff; display: flex; align-items: center; gap: var(--space-sm);
}
.split-block__floater strong { font-family: var(--font-display); font-size: 1.8rem; color: var(--c-blue-400); }
.split-block__body p + p { margin-top: var(--space-sm); }
.split-block__body { color: var(--text-on-light-dim); }
.split-block__body ul { margin-top: var(--space-md); display: flex; flex-direction: column; gap: 10px; }
.split-block__body li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.94rem; color: var(--text-on-light); }
.split-block__body li svg { width: 18px; height: 18px; color: var(--c-blue-500); flex-shrink: 0; margin-top: 2px; }
@media (max-width: 900px) { .split-block { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .split-block.reverse .split-block__media { order: -1; } }

/* ---------------------------- CATALOG COVER MOCKUP ---------------------------- */
.catalog-cover { background: linear-gradient(155deg, var(--c-graphite-800), var(--c-graphite-950)); display: flex; }
.catalog-cover__inner {
  position: relative; z-index: 2; width: 100%; padding: var(--space-lg);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-md);
}
.catalog-cover__brand {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.72rem; font-weight: 700;
  letter-spacing: .08em; color: var(--c-steel-400); text-transform: uppercase;
}
.catalog-cover__brand svg { color: var(--c-blue-400); }
.catalog-cover__icon {
  width: 84px; height: 84px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft-dark, rgba(63,155,255,.12)); border: 1px solid var(--border-dark-strong);
  margin-top: var(--space-md);
}
.catalog-cover__icon svg { width: 40%; color: var(--c-blue-400); }
.catalog-cover__title {
  font-family: var(--font-heading); font-weight: 800; font-size: 1.6rem; line-height: 1.15;
  letter-spacing: -.01em; color: #fff;
}
.catalog-cover__lines { width: 70%; display: flex; flex-direction: column; gap: 8px; margin-top: var(--space-sm); }
.catalog-cover__lines span { display: block; height: 6px; border-radius: 4px; background: var(--border-dark-strong); }
.catalog-cover__badge { position: static; margin-top: auto; }

/* ---------------------------- CTA BAND ---------------------------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-lg); text-align: center; color: #fff;
  background: linear-gradient(155deg, var(--c-blue-800), var(--c-graphite-950) 65%);
}
.cta-band h2 { max-width: 20ch; margin-inline: auto; margin-bottom: var(--space-sm); }
.cta-band p { max-width: 52ch; margin-inline: auto; color: var(--c-steel-300); font-size: var(--fs-lead); }
.cta-band__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: var(--space-lg); }

/* ---------------------------- MINING SECTION ---------------------------- */
.mining-section { position: relative; overflow: hidden; color: #fff; background: var(--c-graphite-950); }
.mining-section__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; position: relative; z-index: 2; }
.mining-section__visual { position: relative; aspect-ratio: 4/3; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-dark); }
.mining-section__visual img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) { .mining-section__grid { grid-template-columns: 1fr; } }

/* ---------------------------- INDUSTRY GRID ---------------------------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.industry-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 1/1; color: #fff; }
.industry-card__bg { position: absolute; inset: 0; background: linear-gradient(155deg, var(--c-graphite-700), var(--c-graphite-950)); }
.industry-card__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.industry-card__overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,9,13,.9), transparent 55%); }
.industry-card__label { position: absolute; left: 16px; bottom: 14px; right: 16px; font-family: var(--font-heading); font-weight: 800; font-size: 1.02rem; letter-spacing: -0.01em; }
.industry-card__icon { position: absolute; top: 14px; left: 14px; width: 34px; height: 34px; color: var(--c-blue-400); }
@media (max-width: 900px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------------------------- MARQUEE (marcas) ---------------------------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: var(--space-2xl); width: max-content; animation: marquee 32s linear infinite; }
.marquee__track img { height: 34px; filter: grayscale(1) opacity(.55); transition: filter var(--dur-base); }
.marquee__track img:hover { filter: grayscale(0) opacity(1); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.hidden-until-ready { display: none; }

/* ---------------------------- FOOTER ---------------------------- */
.site-footer {
  background:
    radial-gradient(ellipse 70% 60% at 12% 0%, rgba(20,101,196,.16), transparent 65%),
    var(--c-graphite-950);
  color: var(--c-steel-400); position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(63,155,255,.5), transparent);
}
.footer-top { padding-block: var(--space-2xl) var(--space-xl); display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.1fr; gap: var(--space-lg); }
.footer-brand__desc { font-size: 0.88rem; margin-block: var(--space-sm) var(--space-md); max-width: 32ch; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 9px; background: rgba(255,255,255,.06);
  border: 1px solid var(--border-dark);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  color: var(--c-steel-300);
}
.footer-social a:hover {
  background: var(--c-blue-500); color: #fff; border-color: var(--c-blue-400);
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(20,101,196,.35);
}
.footer-social svg { width: 17px; height: 17px; }
.footer-col__title { font-family: var(--font-heading); color: #fff; font-weight: 700; font-size: 0.86rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: var(--space-sm); }
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 0.9rem; transition: color var(--dur-fast); }
.footer-col a:hover { color: #fff; }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; margin-bottom: var(--space-sm); }
.footer-contact-item svg { width: 16px; height: 16px; color: var(--c-blue-400); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid var(--border-dark); padding-block: var(--space-md); display: flex; justify-content: space-between; align-items: center; gap: var(--space-md); flex-wrap: wrap; font-size: 0.8rem; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1080px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-top { grid-template-columns: 1fr; } }

/* ---------------------------- WHATSAPP FLOAT ---------------------------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: var(--z-toast);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 56px; height: 56px; padding: 0;
  background: linear-gradient(155deg, #24c983, var(--c-whatsapp));
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(31,169,114,.4), 0 0 0 1px rgba(255,255,255,.1) inset;
  transition: width var(--dur-base) var(--ease-out), padding var(--dur-base) var(--ease-out),
              border-radius var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  opacity: 0; transform: translateY(16px) scale(.85);
  animation: waFloatIn .6s var(--ease-out) 1.1s both;
}
.wa-float svg { width: 26px; height: 26px; flex-shrink: 0; }
.wa-float__label {
  max-width: 0; overflow: hidden; white-space: nowrap;
  font-weight: 700; font-size: 0.82rem;
  transition: max-width var(--dur-base) var(--ease-out), margin var(--dur-base) var(--ease-out);
}
.wa-float:hover, .wa-float:focus-visible {
  width: auto; padding: 0 20px 0 16px; border-radius: 100px;
  box-shadow: 0 16px 34px rgba(31,169,114,.5), 0 0 0 1px rgba(255,255,255,.14) inset;
  transform: translateY(-3px);
}
.wa-float:hover .wa-float__label, .wa-float:focus-visible .wa-float__label { max-width: 200px; margin-left: 2px; }
.wa-float:active { transform: translateY(-1px) scale(.97); }
.wa-float__pulse {
  position: absolute; inset: -7px; border-radius: 50%;
  border: 1.5px solid rgba(31,169,114,.5);
  opacity: 0; z-index: -1; pointer-events: none;
  animation: waBreathe 3.4s ease-in-out 1.8s infinite;
}
@keyframes waFloatIn { from { opacity: 0; transform: translateY(16px) scale(.85); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes waBreathe { 0%, 100% { transform: scale(1); opacity: 0; } 50% { transform: scale(1.16); opacity: .32; } }
@media (prefers-reduced-motion: reduce) {
  .wa-float { animation: none; opacity: 1; transform: none; }
  .wa-float__pulse { animation: none; display: none; }
}

@media (max-width: 720px) { .wa-float { bottom: 84px; right: 16px; } }

/* ---------------------------- STICKY MOBILE CTA BAR ---------------------------- */
.mobile-cta-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-toast);
  display: none; grid-template-columns: repeat(3, 1fr);
  background: var(--c-graphite-950); border-top: 1px solid var(--border-dark);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.mobile-cta-bar a { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 11px 4px; color: var(--c-steel-300); font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; border-right: 1px solid var(--border-dark); }
.mobile-cta-bar a:last-child { border-right: none; }
.mobile-cta-bar svg { width: 19px; height: 19px; }
.mobile-cta-bar a.is-primary { color: var(--c-blue-400); }
@media (max-width: 720px) { .mobile-cta-bar { display: grid; } body { padding-bottom: 58px; } }

/* ---------------------------- 404 ---------------------------- */
.error-page { min-height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; color: #fff; background: var(--c-graphite-950); }
.error-page__code { font-family: var(--font-display); font-size: clamp(5rem, 14vw, 10rem); font-weight: 700; color: rgba(255,255,255,.06); line-height: 1; }
.error-page__content { position: relative; z-index: 2; margin-top: -3rem; }
.error-page h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); max-width: 20ch; margin-inline: auto; margin-bottom: var(--space-md); }

/* ---------------------------- ARTICLE / BLOG CARD ---------------------------- */
.article-card { background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-md); overflow: hidden; transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base); }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.article-card__media { aspect-ratio: 16/10; background: linear-gradient(155deg, var(--c-graphite-800), var(--c-graphite-950)); display: flex; align-items: center; justify-content: center; }
.article-card__media svg { width: 30%; color: var(--c-blue-400); opacity: .8; }
.article-card__body { padding: var(--space-md); }
.article-card__meta { display: flex; gap: 10px; font-size: 0.74rem; color: var(--text-on-light-dim); margin-bottom: var(--space-2xs); text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.article-card__title { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.article-card__excerpt { font-size: 0.88rem; color: var(--text-on-light-dim); margin-bottom: var(--space-sm); }

/* ---------------------------- MISC RESPONSIVE GRID HELPERS ---------------------------- */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2,1fr); } .grid-6 { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 760px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .grid-6 { grid-template-columns: repeat(2,1fr); } .feature-grid, .stats-strip, .process-steps { grid-template-columns: repeat(2,1fr); } }

/* ---------------------------- PRODUCT DETAIL PAGE ---------------------------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
.product-gallery__main { aspect-ratio: 1/1; background: var(--bg-light-alt); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; padding: 8%; margin-bottom: var(--space-sm); border: 1px solid var(--border-light); }
.product-gallery__thumbs { display: flex; gap: 10px; }
.product-gallery__thumbs button { width: 70px; height: 70px; border-radius: var(--radius-sm); border: 2px solid var(--border-light-strong); background: var(--bg-light-alt); padding: 8px; }
.product-gallery__thumbs button.is-active { border-color: var(--c-blue-500); }
.product-info__title { margin-bottom: var(--space-sm); }
.product-info__specs { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm) var(--space-md); margin-block: var(--space-lg); padding: var(--space-md); background: var(--bg-light-alt); border-radius: var(--radius-md); }
.spec-item__label { font-size: 0.74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-on-light-dim); font-weight: 700; }
.spec-item__value { font-weight: 700; font-family: var(--font-heading); }
.product-info__diam { display: flex; flex-wrap: wrap; gap: 8px; margin-block: var(--space-md); }
.diam-chip { padding: 8px 14px; border-radius: 100px; border: 1px solid var(--border-light-strong); font-size: 0.84rem; font-weight: 600; }
.product-info__actions { display: flex; flex-direction: column; gap: 10px; margin-top: var(--space-lg); }
@media (max-width: 900px) { .product-detail { grid-template-columns: 1fr; } .product-info__specs { grid-template-columns: 1fr 1fr; } }

.detail-tabs__nav { display: flex; gap: var(--space-lg); border-bottom: 1px solid var(--border-light); flex-wrap: wrap; }
.detail-tabs__nav button { padding: 14px 2px; font-weight: 700; font-family: var(--font-heading); font-size: 0.9rem; color: var(--text-on-light-dim); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.detail-tabs__nav button.is-active { color: var(--c-blue-600); border-color: var(--c-blue-500); }
.detail-tabs__panel { display: none; padding-block: var(--space-lg); }
.detail-tabs__panel.is-active { display: block; }
.detail-tabs__panel ul { display: flex; flex-direction: column; gap: 10px; }
.detail-tabs__panel li { display: flex; gap: 10px; font-size: 0.94rem; color: var(--text-on-light-dim); }
.detail-tabs__panel li svg { width: 17px; height: 17px; color: var(--c-blue-500); flex-shrink: 0; margin-top: 3px; }