:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --surface-2: #eef0f3;
  --text: #14181f;
  --muted: #5c6572;
  --accent: #ea580c;
  --accent-dark: #c2410c;
  --accent-soft: #fff3ec;
  --border: #e6e8ec;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 12px 40px rgba(16, 24, 40, 0.12);
  --radius: 14px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 0.95rem;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.96rem;
  padding: 9px 14px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}

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

.nav-links a.nav-cta {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding-inline: 18px;
}

.nav-links a.nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(234, 88, 12, 0.24);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: #fff;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-light {
  background: #fff;
  color: var(--accent-dark);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 88px;
  background:
    radial-gradient(900px 380px at 78% -8%, var(--accent-soft), transparent 65%),
    linear-gradient(180deg, var(--surface), var(--bg));
  border-bottom: 1px solid var(--border);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.92));
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
}

.lead {
  color: var(--muted);
  font-size: 1.18rem;
  margin-top: 20px;
  max-width: 620px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Stats ---------- */
.stats {
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Sections ---------- */
.section {
  padding: 88px 0;
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  text-align: center;
  letter-spacing: -0.02em;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin-top: 10px;
  margin-bottom: 52px;
  font-size: 1.05rem;
}

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

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #dfe2e7;
}

.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 18px;
}

.icon-badge svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--muted);
}

.center {
  text-align: center;
  margin-top: 52px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  padding: 60px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-band h2 {
  color: #fff;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
  margin-top: 6px;
}

/* ---------- Page header (inner pages) ---------- */
.page-head {
  padding: 80px 0 44px;
  background:
    radial-gradient(800px 300px at 80% -20%, var(--accent-soft), transparent 60%),
    linear-gradient(180deg, var(--surface), var(--bg));
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-head h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  letter-spacing: -0.02em;
}

.page-head p {
  color: var(--muted);
  margin-top: 12px;
  max-width: 640px;
  margin-inline: auto;
  font-size: 1.05rem;
}

/* ---------- Generic content ---------- */
.prose {
  max-width: 760px;
  margin: 0 auto;
}

.prose p {
  color: var(--muted);
  margin-bottom: 18px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.value-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.value-list li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.value-list strong {
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}

.value-list span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Services list ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.service-item h3 {
  margin: 12px 0 8px;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.service-item p {
  color: var(--muted);
}

/* ---------- Projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-thumb {
  height: 160px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background:
    radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 70%),
    var(--surface-2);
}

.project-thumb svg {
  width: 48px;
  height: 48px;
}

.project-body {
  padding: 22px;
}

.project-body h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.project-body p {
  color: var(--muted);
  font-size: 0.95rem;
}

.tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
}

.info-block {
  display: grid;
  gap: 22px;
  align-content: start;
}

.info-item h4 {
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.info-item p,
.info-item a {
  color: var(--muted);
  text-decoration: none;
}

.info-item a:hover {
  color: var(--accent);
}

.form {
  display: grid;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 500;
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-note {
  color: var(--accent);
  font-size: 0.9rem;
  min-height: 1.2em;
  font-weight: 500;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-top: 60px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-about {
  color: var(--muted);
  margin-top: 16px;
  max-width: 320px;
}

.footer-grid h4 {
  margin-bottom: 14px;
  font-size: 1rem;
}

.footer-grid a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
}

.footer-grid a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Partners strip ---------- */
.partners {
  padding: 52px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.partners-label {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 26px;
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.partner-chip {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 1.02rem;
  letter-spacing: 0.3px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.partner-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.partner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 26px;
  min-width: 132px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
  margin: 0;
  transition: transform 0.15s ease, border-color 0.2s ease;
}

.partner:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.partner-logo {
  height: 40px;
  max-width: 130px;
  object-fit: contain;
}

.partner figcaption {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.3px;
}

.partner.no-logo .partner-logo {
  display: none;
}

/* ---------- Media band ---------- */
.media-band {
  padding: 112px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.86)),
    url("assets/industrial.jpg");
  background-size: cover;
  background-position: center;
}

.media-band h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  letter-spacing: -0.02em;
}

.media-band p {
  color: var(--muted);
  margin-top: 10px;
  max-width: 620px;
  margin-inline: auto;
}

/* ---------- Eras ---------- */
.eras {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.era-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  background: #fff;
  box-shadow: var(--shadow);
}

.era-year {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.era-card h3 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.era-card p {
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    max-height: 0;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: max-height 0.3s ease;
  }
  .nav-links.open {
    max-height: 400px;
  }
  .nav-links a {
    padding: 12px 8px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards,
  .service-grid,
  .project-grid,
  .two-col,
  .eras,
  .contact-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}