:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-soft: #f1f3f5;
  --text: #1f2328;
  --muted: #667085;
  --line: #d9dee3;
  --brand: #c1121f;
  --brand-2: #9f0f1a;
  --accent: #9aa3ad;
  --dark: #16191d;
  --success: #16a34a;
  --danger: #dc2626;
  --shadow: 0 16px 36px rgba(20, 24, 28, 0.1);
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--dark);
  color: #dfe5eb;
  font-size: 13px;
}

.topbar__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar__group {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.topbar i,
.contact-line i {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(217, 222, 227, 0.92);
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__logo {
  display: block;
  width: min(318px, 48vw);
  height: auto;
  max-height: 72px;
  object-fit: contain;
}

.brand__fallback {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__fallback[hidden] {
  display: none;
}

.brand__mark {
  position: relative;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #c1121f, #8f0d16);
  color: white;
  font-weight: 800;
  border-radius: var(--radius);
  letter-spacing: 0;
  box-shadow: 0 12px 24px rgba(20, 24, 28, 0.14);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 3px;
}

.brand__text {
  display: grid;
  line-height: 1.05;
}

.brand__name {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0;
}

.brand__tagline {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
  color: #30363d;
  text-transform: uppercase;
}

.nav__links a {
  position: relative;
  padding: 10px 0;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav__links a:hover::after,
.nav__links a.is-active::after {
  transform: scaleX(1);
}

.nav__links .nav__cta {
  padding: 12px 18px;
  color: white;
  background: var(--dark);
  border-radius: var(--radius);
}

.nav__links .nav__cta::after {
  display: none;
}

.nav__links .nav__cta:hover {
  background: var(--brand);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: var(--dark);
  cursor: pointer;
}

.mobile-panel {
  display: none;
}

.hero {
  position: relative;
  min-height: 560px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

.hero__image {
  position: absolute;
  inset: 0;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 14, 17, 0.9), rgba(22, 25, 29, 0.68) 48%, rgba(22, 25, 29, 0.14));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  padding: 72px 0;
  color: white;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffffff;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero p {
  width: min(650px, 100%);
  margin: 24px 0 0;
  color: #e7edf3;
  font-size: 19px;
  line-height: 1.75;
}

.hero__actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--brand);
  color: white;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  background: #9f0d1a;
}

.button--dark {
  background: var(--dark);
}

.button--dark:hover {
  background: #141012;
}

.button--light {
  color: var(--dark);
  background: white;
  border-color: var(--line);
}

.button--light:hover {
  background: #f1f3f5;
}

.button--ghost {
  color: white;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.28);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.22);
}

.button--whatsapp {
  background: #16a34a;
}

.button--whatsapp:hover {
  background: #12803b;
}

.hero__quick {
  position: relative;
  z-index: 2;
  margin-top: -78px;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.quick-item {
  min-height: 132px;
  padding: 26px;
  background: white;
  display: flex;
  align-items: center;
  gap: 18px;
}

.quick-item i {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--brand);
  font-size: 23px;
}

.quick-item strong {
  display: block;
  font-size: 30px;
  color: var(--dark);
}

.quick-item span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
}

.section {
  padding: 92px 0;
}

.section--white {
  background: white;
}

.section--soft {
  background: #f1f3f5;
}

.section--line {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  width: min(720px, 100%);
  margin-bottom: 42px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head h2,
.content-block h2 {
  margin: 0;
  color: var(--dark);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0;
}

.section-head p,
.content-block p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.service-grid,
.product-grid,
.blog-grid,
.gallery-grid {
  display: grid;
  gap: 24px;
}

.service-grid {
  grid-template-columns: repeat(4, 1fr);
}

.service-card,
.product-card,
.contact-card,
.info-panel,
.feature-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.07);
}

.service-card {
  padding: 28px;
}

.service-card i {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--brand);
  font-size: 22px;
}

.service-card h3,
.product-card h3,
.feature-card h3 {
  margin: 0;
  color: var(--dark);
  font-size: 20px;
}

.service-card p,
.product-card p,
.feature-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.content-block {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}

.content-block + .content-block {
  margin-top: 78px;
}

.content-block.is-reverse {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.content-block.is-reverse .content-block__media {
  order: 2;
}

.content-block__media {
  position: relative;
}

.content-block__media::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  z-index: 0;
  border: 2px solid var(--brand);
  border-radius: var(--radius);
}

.content-block__media img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #4b4143;
  line-height: 1.6;
}

.check-list i {
  margin-top: 4px;
  color: var(--brand-2);
}

.product-grid {
  grid-template-columns: repeat(3, 1fr);
}

.blog-grid {
  grid-template-columns: repeat(3, 1fr);
}

.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card__image {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e5e9ee;
}

.product-card__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product-card:hover img {
  transform: scale(1.04);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: #9f0d1a;
  font-size: 12px;
  font-weight: 800;
}

.product-card .badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
}

.product-card__body {
  padding: 22px;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.product-card__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 0;
  color: var(--brand);
  font-weight: 800;
}

.catalog-intro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.catalog-intro-card {
  min-height: 220px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.06);
}

.catalog-intro-card i {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: var(--brand);
  font-size: 23px;
}

.catalog-intro-card h2 {
  margin: 0;
  color: var(--dark);
  font-size: 22px;
}

.catalog-intro-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.catalog-section .section-head {
  margin-bottom: 0;
}

.catalog-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.catalog-count {
  min-width: 148px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  text-align: center;
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.06);
}

.catalog-count strong {
  display: block;
  color: var(--dark);
  font-size: 34px;
  line-height: 1;
}

.catalog-count span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.category-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.category-summary-card {
  display: grid;
  gap: 8px;
  min-height: 128px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(20, 24, 28, 0.05);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.category-summary-card:hover,
.category-summary-card.is-active {
  border-color: rgba(193, 18, 31, 0.38);
  box-shadow: 0 16px 34px rgba(193, 18, 31, 0.12);
  transform: translateY(-1px);
}

.category-summary-card i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: var(--brand);
  font-size: 18px;
}

.category-summary-card strong {
  color: var(--dark);
  line-height: 1.25;
}

.category-summary-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.product-card__features {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.product-card__features li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #4b4143;
  font-size: 14px;
  line-height: 1.55;
}

.product-card__features i {
  margin-top: 4px;
  color: var(--brand-2);
  font-size: 12px;
}

.product-card__specs {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 13px;
  border: 1px solid #d9dee3;
  border-radius: var(--radius);
  background: #f8f9fa;
}

.product-card__specs div {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 12px;
}

.product-card__specs dt {
  color: var(--dark);
  font-size: 12px;
  font-weight: 800;
}

.product-card__specs dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.product-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
}

.product-card--compact .product-card__actions {
  margin-top: 18px;
  padding-top: 0;
}

.product-card__quote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(22, 163, 74, 0.28);
  border-radius: var(--radius);
  background: #ecfdf3;
  color: #13733b;
  font-size: 13px;
  font-weight: 800;
}

.catalog-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 36px;
  border-radius: var(--radius);
  background: var(--dark);
  color: white;
}

.catalog-cta h2 {
  width: min(690px, 100%);
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0;
}

.catalog-cta p {
  width: min(760px, 100%);
  margin: 16px 0 0;
  color: #e7edf3;
  line-height: 1.75;
}

.catalog-cta .eyebrow {
  color: #ffffff;
}

.blog-card {
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.07);
}

.blog-card__image {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e5e9ee;
}

.blog-card__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.04);
}

.blog-card__body {
  padding: 24px;
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.blog-card h3 {
  margin: 0;
  color: var(--dark);
  font-size: 21px;
  line-height: 1.25;
}

.blog-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.blog-detail {
  width: min(920px, 100%);
  margin: 0 auto;
}

.blog-detail__media {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #e5e9ee;
}

.blog-detail__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-detail__content {
  padding-top: 34px;
}

.blog-detail h1 {
  margin: 0;
  color: var(--dark);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
}

.blog-detail p {
  color: #5e5053;
  font-size: 17px;
  line-height: 1.85;
}

.blog-detail .lead {
  color: var(--muted);
  font-size: 20px;
}

.blog-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.blog-keywords span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: #6b2229;
  font-size: 12px;
  font-weight: 800;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: #4b4143;
  font-weight: 800;
  cursor: pointer;
}

.filter-button.is-active {
  color: white;
  border-color: var(--dark);
  background: var(--dark);
}

.gallery-grid {
  grid-template-columns: repeat(4, 1fr);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  border-radius: var(--radius);
  background: #e5e9ee;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 14px;
  color: white;
  background: rgba(20, 24, 28, 0.82);
  border-radius: 6px;
  backdrop-filter: blur(8px);
}

.gallery-item__caption strong {
  display: block;
}

.gallery-item__caption span {
  display: block;
  margin-top: 4px;
  color: #e7edf3;
  font-size: 13px;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0;
  color: white;
  background: var(--dark);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 14, 17, 0.9), rgba(20, 24, 28, 0.66)), var(--page-image, url("../../image/insaat/insaat1.jpeg")) center / cover;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .eyebrow {
  color: #ffffff;
}

.page-hero p {
  width: min(720px, 100%);
  color: #e7edf3;
  font-size: 18px;
  line-height: 1.7;
}

.about-grid,
.contact-grid,
.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: start;
}

.about-image,
.detail-image {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-image img,
.detail-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 24px;
}

.feature-card i {
  color: var(--brand);
  font-size: 28px;
  margin-bottom: 18px;
}

.detail-panel {
  padding: 28px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--line);
}

.product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.product-breadcrumb a {
  color: var(--brand);
}

.product-breadcrumb i {
  color: #94a3b8;
  font-size: 10px;
}

.product-breadcrumb span {
  color: var(--dark);
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.78fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 24px;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 34px;
  align-items: stretch;
  margin-bottom: 28px;
}

.product-detail-media {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: #e5e9ee;
  box-shadow: var(--shadow);
}

.product-detail-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.product-detail-media .badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
}

.product-detail-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: 46px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--line);
  border-top: 5px solid var(--brand);
  color: var(--text);
  box-shadow: var(--shadow);
}

.product-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.product-detail-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid #d9dee3;
  border-radius: var(--radius);
  background: #f6f7f8;
  color: #6b2229;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-detail-summary .eyebrow {
  color: var(--brand);
}

.product-detail-summary h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

.product-detail-summary p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.product-detail-summary .lead {
  margin-top: 18px;
  color: #26343b;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.55;
}

.product-detail-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.product-detail-metrics div {
  padding: 18px;
  background: #f8faf9;
}

.product-detail-metrics strong,
.product-detail-metrics span {
  display: block;
}

.product-detail-metrics strong {
  color: var(--dark);
  font-size: 16px;
}

.product-detail-metrics span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-detail-visual {
  display: grid;
  gap: 16px;
}

.product-detail-image-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: #4b4143;
  font-weight: 800;
  line-height: 1.55;
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.06);
}

.product-detail-image-note i {
  margin-top: 3px;
  color: var(--brand-2);
}

.product-detail-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.product-detail-facts article {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.06);
}

.product-detail-facts i {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: var(--brand);
  font-size: 19px;
}

.product-detail-facts span,
.product-detail-facts strong {
  display: block;
}

.product-detail-facts span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-detail-facts strong {
  margin-top: 7px;
  color: var(--dark);
  line-height: 1.45;
}

.product-detail-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 370px);
  gap: 24px;
  align-items: start;
}

.product-detail-primary,
.product-detail-sidebar {
  display: grid;
  gap: 24px;
}

.product-detail-sidebar {
  position: sticky;
  top: 108px;
}

.product-detail-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 24px;
  margin-bottom: 24px;
}

.detail-panel--large {
  padding: 34px;
}

.detail-panel h2 {
  margin: 0;
  color: var(--dark);
  font-size: 28px;
  line-height: 1.18;
}

.detail-panel p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.application-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #d9dee3;
  border-radius: var(--radius);
  background: #f8f9fa;
  color: #6b2229;
  font-size: 13px;
  font-weight: 800;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-grid--detail {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 24px;
}

.process-card {
  min-height: 176px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.06);
}

.process-card i {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius);
  background: #f1f3f5;
  color: var(--brand);
  font-size: 20px;
}

.process-card strong {
  display: block;
  color: var(--dark);
  font-size: 18px;
}

.process-card span,
.muted-text {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.65;
}

.quote-card {
  padding: 28px;
  border: 1px solid rgba(193, 18, 31, 0.18);
  border-radius: var(--radius);
  background: white;
  box-shadow: var(--shadow);
}

.quote-card h2 {
  margin: 0;
  color: var(--dark);
  font-size: 28px;
  line-height: 1.16;
}

.quote-card p {
  margin: 14px 0 22px;
  color: var(--muted);
  line-height: 1.7;
}

.quote-card .button {
  width: 100%;
}

.quote-card__phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--dark);
  font-weight: 800;
}

.related-products {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.related-products .section-head {
  margin-bottom: 24px;
}

.product-grid--related {
  grid-template-columns: repeat(3, 1fr);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 22px;
}

.spec-table th,
.spec-table td {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--dark);
}

.contact-card {
  padding: 28px;
}

.contact-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-line {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--muted);
  line-height: 1.55;
}

.contact-line strong {
  display: block;
  color: var(--dark);
  margin-bottom: 3px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: #4b4143;
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  color: var(--text);
  outline: none;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(193, 18, 31, 0.12);
}

.form-message {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-weight: 800;
}

.form-message.is-success {
  display: block;
  color: #166534;
  background: #dcfce7;
}

.form-message.is-error {
  display: block;
  color: #991b1b;
  background: #fee2e2;
}

.site-footer {
  padding: 72px 0 26px;
  color: #e7edf3;
  background: var(--dark);
  border-top: 4px solid var(--brand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.1fr;
  gap: 34px;
  margin-bottom: 44px;
}

.site-footer h3,
.site-footer h4 {
  margin: 0 0 18px;
  color: white;
}

.site-footer p,
.site-footer li {
  color: #c8d0d8;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a:hover {
  color: white;
}

.socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.socials a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #aeb7c1;
  font-size: 14px;
}

.footer-bottom a {
  color: #ffffff;
  font-weight: 800;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: #16a34a;
  color: white;
  font-size: 28px;
  box-shadow: 0 18px 38px rgba(22, 163, 74, 0.34);
  transition: transform 0.2s ease, background 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  background: #12803b;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(4, 12, 24, 0.92);
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: min(1100px, 95vw);
  max-height: 86vh;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox button {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: white;
  cursor: pointer;
}

.empty-state {
  padding: 34px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
  background: white;
}

@media (max-width: 1080px) {
  .topbar {
    display: none;
  }

  .nav__links {
    display: none;
  }

  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .mobile-panel {
    position: fixed;
    inset: 82px 0 auto 0;
    z-index: 49;
    display: none;
    padding: 18px 0 26px;
    border-top: 1px solid var(--line);
    background: white;
    box-shadow: 0 22px 40px rgba(20, 24, 28, 0.14);
  }

  .mobile-panel.is-open {
    display: block;
  }

  .mobile-panel a {
    display: block;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    color: var(--dark);
    font-weight: 800;
    text-transform: uppercase;
  }

  .hero {
    min-height: 560px;
  }

  .hero__content {
    padding: 72px 0 96px;
  }

  .hero__quick {
    margin-top: -58px;
  }

  .quick-grid,
  .catalog-intro,
  .category-summary-grid,
  .product-detail-facts,
  .service-grid,
  .product-grid,
  .blog-grid,
  .gallery-grid,
  .feature-grid,
  .process-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalog-toolbar,
  .catalog-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .content-block,
  .content-block.is-reverse,
  .about-grid,
  .contact-grid,
  .detail-grid,
  .product-detail-hero,
  .product-detail-layout,
  .product-detail-main,
  .product-detail-content {
    grid-template-columns: 1fr;
  }

  .product-detail-summary {
    min-height: 0;
  }

  .product-detail-visual {
    order: 0;
  }

  .product-detail-media {
    aspect-ratio: 4 / 3;
    max-height: 460px;
  }

  .product-detail-sidebar {
    position: static;
  }

  .content-block.is-reverse .content-block__media {
    order: 0;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .nav {
    min-height: 72px;
  }

  .brand__mark {
    width: 42px;
    height: 42px;
  }

  .brand__logo {
    width: min(226px, 62vw);
    max-height: 58px;
  }

  .brand__name {
    font-size: 19px;
  }

  .brand__tagline {
    font-size: 10px;
  }

  .mobile-panel {
    inset: 72px 0 auto 0;
  }

  .hero {
    min-height: 460px;
    align-items: start;
  }

  .hero__image::after {
    background: linear-gradient(180deg, rgba(12, 14, 17, 0.88), rgba(20, 24, 28, 0.78));
  }

  .hero__content {
    padding: 54px 0 38px;
  }

  .hero h1 {
    font-size: clamp(34px, 10vw, 46px);
    line-height: 1.08;
  }

  .hero p,
  .page-hero p {
    font-size: 16px;
    line-height: 1.6;
  }

  .hero p {
    margin-top: 16px;
  }

  .hero__actions {
    margin-top: 22px;
  }

  .quick-grid,
  .catalog-intro,
  .category-summary-grid,
  .product-detail-facts,
  .service-grid,
  .product-grid,
  .blog-grid,
  .gallery-grid,
  .feature-grid,
  .process-grid,
  .footer-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__quick {
    margin-top: 18px;
    margin-bottom: 22px;
  }

  .quick-grid {
    border-radius: var(--radius);
    box-shadow: 0 10px 28px rgba(20, 24, 28, 0.08);
  }

  .quick-item {
    min-height: 104px;
    padding: 20px;
  }

  .quick-item strong {
    font-size: 26px;
  }

  .section {
    padding: 64px 0;
  }

  .catalog-intro-card,
  .catalog-cta,
  .product-detail-summary,
  .detail-panel,
  .detail-panel--large,
  .quote-card,
  .process-card {
    padding: 22px;
  }

  .product-detail-media {
    aspect-ratio: 4 / 3;
    max-height: 280px;
  }

  .product-detail-image-note {
    padding: 14px;
    font-size: 14px;
  }

  .product-detail-summary h1 {
    font-size: clamp(30px, 9vw, 40px);
    line-height: 1.08;
  }

  .product-detail-summary p,
  .product-detail-summary .lead {
    font-size: 16px;
    line-height: 1.65;
  }

  .product-detail-metrics {
    grid-template-columns: 1fr;
  }

  .product-detail-tags span {
    min-height: 30px;
    font-size: 11px;
  }

  .product-grid--related,
  .process-grid--detail {
    grid-template-columns: 1fr;
  }

  .product-card__specs div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .product-card__image {
    max-height: 360px;
  }

  .content-block__media::before {
    display: none;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}