* {
  box-sizing: border-box;
}

:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --accent: #16a34a;
  --accent-strong: #0f766e;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(148, 163, 184, 0.24);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

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

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

button, .button {
  appearance: none;
  border: none;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  padding: 0.95rem 1.8rem;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

button:hover, .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 118, 110, 0.24);
}

button.secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.1rem;
}

.logo-wrapper{
    width:96px;
    height:96px;
    min-width:96px;
    border-radius:16px;
    background:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0;
    overflow:hidden;
    box-shadow:
        0 10px 30px rgba(0,0,0,0.12),
        0 2px 8px rgba(0,0,0,0.08);
    border:1px solid rgba(22,163,74,0.14);
    transition:all .3s ease;
}

.logo-wrapper:hover{
    transform:translateY(-2px);
    box-shadow:
        0 15px 40px rgba(0,0,0,0.16),
        0 4px 12px rgba(0,0,0,0.10);
}

.brand-logo{
    width:100%;
    height:100%;
    min-width:96px;
    object-fit:cover;
    display:block;
    border-radius:0;
    background:transparent;
    padding:0;
    border:none;
    box-shadow:none;
    transition:all .3s ease;
}

.brand-logo:hover{
    transform:translateY(-2px);
}

.brand-text {
  display: grid;
  gap: 0.15rem;
}

.brand-text strong {
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  font-weight: 800;
  color: var(--text);
}

.brand-text span {
  color: var(--muted);
  font-size: 0.88rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent-strong);
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: 1.1fr 0.9fr;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  font-size: 2.25rem;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 1.02;
}

.hero-copy p {
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero-stats div {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem 1.2rem;
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}

.hero-stats strong {
  display: block;
  font-size: 1.5rem;
}

.hero-stats span {
  color: var(--muted);
}

.hero-media {
  display: grid;
  gap: 1rem;
}

.hero-image {
  position: relative;
  overflow: hidden;
  border-radius: 2rem;
  box-shadow: var(--shadow);
}

.hero-image img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  left: 1.5rem;
  bottom: 1.5rem;
  background: rgba(15, 118, 110, 0.95);
  color: #fff;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
}

.hero-mini-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}

.mini-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}

.mini-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.mini-card p {
  margin: 0;
  padding: 1rem;
  color: var(--muted);
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.section-title span {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-title p {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.8;
}

.section-light {
  background: #f8fafc;
  border-radius: 2rem;
  padding: 3rem 0;
}

.solution-grid,
.product-grid,
.project-grid,
.testimonial-grid,
.client-grid,
.about-grid,
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-card,
.project-card,
.testimonial-card,
.contact-card,
.about-image,
.about-item,
.contact-image {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.75rem;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.solution-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.14);
  border-color: rgba(16, 163, 127, 0.35);
}

.solution-card-image {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.solution-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.solution-card:hover .solution-card-image img {
  transform: scale(1.08);
}

.solution-card-body {
  padding: 1.75rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.solution-card-body p {
  flex: 1;
}

.solution-card .read-more {
  align-self: flex-start;
  margin-top: 1.25rem;
  padding: 0.7rem 1.4rem;
  font-size: 0.92rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.75rem;
  box-shadow: var(--shadow);
  padding: 0;
  overflow: hidden;
}

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

.product-content {
  padding: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.product-content h3 {
  margin: 0;
}

.product-content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.solution-card .icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: rgba(16, 163, 127, 0.14);
  color: var(--accent-strong);
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.solution-card h3,
.project-card h3,
.testimonial-card h3,
.contact-card h3,
.about-item strong {
  margin-top: 0;
}

.solution-card p,
.project-card p,
.testimonial-card p,
.contact-card p,
.about-item p,
.footer-links a {
  color: var(--muted);
}

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

.project-card {
  display: grid;
  gap: 1rem;
  overflow: hidden;
  border-radius: 1.75rem;
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.project-content {
  display: grid;
  gap: 0.75rem;
}

.project-tag {
  display: inline-flex;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(16, 163, 127, 0.16);
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 600;
}

.about-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}

.about-content {
  display: grid;
  gap: 1rem;
}

.about-item {
  padding: 1.5rem;
}

.about-item strong {
  display: block;
  font-size: 1.75rem;
  margin-bottom: 0.65rem;
}

.about-image,
.contact-image {
  padding: 0;
  overflow: hidden;
}

.about-image img,
.contact-image img {
  width: 100%;
  display: block;
  border-radius: 1.75rem;
}

.client-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: center;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 88px;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow);
}

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

.testimonial-card {
  display: grid;
  gap: 1.2rem;
}

.testimonial-card blockquote {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.client-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-row img {
  width: 54px;
  height: 54px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.contact-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.contact-card {
  display: grid;
  gap: 1rem;
}

.contact-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-card ul li {
  color: var(--muted);
}

.contact-card ul li strong {
  color: var(--text);
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding: 3rem 0 1rem;
}

.footer-links {
  display: grid;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-note {
  text-align: center;
  color: var(--muted);
  padding: 1rem 0 2rem;
}

@media (max-width: 1000px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .solution-grid,
  .product-grid,
  .project-grid,
  .testimonial-grid,
  .client-grid {
    grid-template-columns: 1fr;
  }

  .hero-mini-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .navbar {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 10vw, 3.4rem);
  }

  .hero-stats,
  .client-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Detail page sections (noise-barrier, roadway-signage, sustainable-infrastructure) ===== */

.breadcrumb {
  padding: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--accent-strong);
  font-weight: 600;
}

.page-hero {
  padding: 2.5rem 0 4rem;
}

.page-hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: 1fr 1fr;
}

.page-hero-copy p {
  margin: 1.25rem 0 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.page-hero-image {
  overflow: hidden;
  border-radius: 2rem;
  box-shadow: var(--shadow);
}

.page-hero-image img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--surface);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.07);
}

.detail-copy {
  max-width: 880px;
  color: var(--muted);
  line-height: 1.9;
  font-size: 1.02rem;
  display: grid;
  gap: 1rem;
}

.applications-grid,
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.applications-item,
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.applications-item:hover,
.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
  border-color: rgba(16, 163, 127, 0.3);
}

.applications-item .icon,
.benefit-item .icon {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 0.9rem;
  background: rgba(16, 163, 127, 0.14);
  color: var(--accent-strong);
  font-size: 1.2rem;
}

.applications-item h4,
.benefit-item h4 {
  margin: 0 0 0.4rem;
}

.applications-item p,
.benefit-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.spec-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.75rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--border);
}

.spec-table tr:last-child {
  border-bottom: none;
}

.spec-table td {
  padding: 1.1rem 1.75rem;
  color: var(--muted);
}

.spec-table td:first-child {
  width: 38%;
  font-weight: 700;
  color: var(--text);
}

.spec-table tr:nth-child(even) {
  background: var(--surface-soft);
}

.cta-section {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  border-radius: 2rem;
  padding: 3.5rem 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: #fff;
  box-shadow: var(--shadow);
}

.cta-section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.cta-section p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
}

.cta-section .button {
  background: #fff;
  color: var(--accent-strong);
}

.cta-section .button:hover {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

@media (max-width: 1000px) {
  .page-hero-grid {
    grid-template-columns: 1fr;
  }

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

  .applications-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .cta-section {
    flex-direction: column;
    text-align: center;
  }

  .spec-table td:first-child {
    width: 50%;
  }
}

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