:root {
  --bg: #ffffff;
  --bg-alt: #F3F5F7;
  --bg-dark: #12181F;
  --bg-dark-2: #1A222B;
  --text: #12181F;
  --text-muted: #4B5563;
  --text-on-dark: #F5F7F9;
  --text-on-dark-muted: #C3CBD3;
  --accent-onlight: #2A5F8A;
  --accent-ondark: #6FA8D8;
  --accent-btn: #2F6EA3;
  --accent-btn-hover: #3E86BF;
  --accent-tint: rgba(42, 95, 138, 0.10);
  --border: #E4E6E9;
  --border-dark: #262E38;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --max-width: 1160px;
  --shadow-card: 0 1px 2px rgba(18, 24, 31, 0.04), 0 8px 24px rgba(18, 24, 31, 0.06);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

.eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-onlight);
  margin-bottom: 12px;
}
.eyebrow.center { text-align: center; }
.hero .eyebrow, .certifications .eyebrow { color: var(--accent-ondark); }

.section-title {
  font-size: 2.1rem;
  margin-bottom: 16px;
  max-width: 640px;
}
.section-title.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent-btn);
  color: var(--text-on-dark);
}
.btn-primary:hover { background: var(--accent-btn-hover); }
.btn-ghost {
  background: transparent;
  border-color: rgba(245, 247, 249, 0.35);
  color: var(--text-on-dark);
}
.btn-ghost:hover { border-color: var(--accent-ondark); color: var(--accent-ondark); }
.btn-ghost-light {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost-light:hover { border-color: var(--accent-onlight); color: var(--accent-onlight); }
.btn-lg { padding: 15px 28px; font-size: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 24, 31, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-dark);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.logo img {
  height: 96px;
  width: auto;
}
.main-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: var(--text-on-dark-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--text-on-dark); }
.header-cta { display: flex; align-items: center; gap: 20px; }
.header-phone {
  color: var(--text-on-dark);
  font-weight: 600;
  font-size: 0.92rem;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 2px;
}

/* Hero */
.hero {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding-top: 76px;
  padding-bottom: 76px;
}
.hero-copy h1 {
  font-size: 3rem;
  color: var(--text-on-dark);
  margin-bottom: 20px;
}
.hero-sub {
  color: var(--text-on-dark-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-media img {
  width: 100%;
  max-width: 460px;
  filter: drop-shadow(0 30px 60px rgba(47, 110, 163, 0.22));
}
.trust-bar {
  border-top: 1px solid var(--border-dark);
  background: var(--bg-dark-2);
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  letter-spacing: 0.02em;
}
.trust-inner .dot { color: var(--accent-ondark); }

/* Page hero (interior pages) */
.page-hero {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 64px 0 56px;
}
.page-hero h1 {
  font-size: 2.5rem;
  color: var(--text-on-dark);
  max-width: 700px;
}
.page-hero p {
  color: var(--text-on-dark-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin-top: 14px;
}

/* Services */
.services { padding: 96px 0; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.service-card:hover { border-color: var(--accent-onlight); transform: translateY(-3px); }
.service-card.is-soon { background: var(--bg-alt); }
.badge-soon {
  position: absolute;
  top: 16px;
  right: -34px;
  transform: rotate(45deg);
  background: var(--accent-btn);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 38px;
  box-shadow: 0 2px 6px rgba(18, 24, 31, 0.15);
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-onlight);
  margin-bottom: 18px;
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.92rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-onlight);
}
.card-link:hover { text-decoration: underline; }

.section-cta { text-align: center; margin-top: 44px; }

/* Why us strip */
.why-us { padding: 72px 0; background: var(--bg-alt); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}
.why-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-item p { color: var(--text-muted); font-size: 0.92rem; }
.why-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent-tint);
  color: var(--accent-onlight);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

/* Service detail (Services page) */
.service-detail-list { display: flex; flex-direction: column; gap: 28px; margin-top: 48px; }
.service-detail {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.service-detail.is-soon { background: var(--bg-alt); }
.service-detail-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 18px;
}
.service-detail-head .service-icon { margin-bottom: 0; flex-shrink: 0; }
.service-detail-head h2 { font-size: 1.4rem; }
.service-detail-overview { color: var(--text-muted); font-size: 1rem; max-width: 760px; margin-bottom: 28px; }
.sample-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.sample-compare figure { margin: 0; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); }
.sample-img-box {
  aspect-ratio: 1024 / 619;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sample-img-box img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; }
.sample-compare figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-on-dark);
  background: var(--bg-dark);
}
.sample-note { font-size: 0.85rem; color: var(--text-muted); font-style: italic; margin-bottom: 28px; }
.service-detail-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-detail-meta h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-onlight);
  margin-bottom: 10px;
}
.service-detail-meta ul { display: flex; flex-direction: column; gap: 6px; }
.service-detail-meta li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.service-detail-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent-onlight);
}

/* Process */
.process { padding: 96px 0; background: var(--bg-alt); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.step-num {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-onlight);
  background: var(--accent-tint);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { color: var(--text-muted); font-size: 0.92rem; }

/* Certifications */
.certifications { padding: 96px 0; background: var(--bg-dark); color: var(--text-on-dark); }
.cert-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.cert-copy .section-title { color: var(--text-on-dark); }
.cert-copy p { color: var(--text-on-dark-muted); font-size: 1rem; }
.cert-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.cert-list li {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 20px;
  background: var(--bg-dark-2);
}
.cert-list strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--accent-ondark);
  margin-bottom: 6px;
}
.cert-list span { color: var(--text-on-dark-muted); font-size: 0.85rem; }

/* About */
.about { padding: 96px 0; }
.about.about--tight { padding-top: 0; }
.about-inner { max-width: 760px; }
.about-inner--wide { max-width: 940px; }
.about-body { font-size: 1.1rem; color: var(--text-muted); margin-top: 8px; }
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.equipment-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  background: var(--bg-alt);
}
.equipment-photo {
  background: var(--bg-dark);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 18px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.equipment-photo img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; margin: 0 auto; }
.equipment-label {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-onlight);
  margin-bottom: 8px;
}
.equipment-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.equipment-item p { color: var(--text-muted); font-size: 0.9rem; }

/* Contact */
.contact { padding: 96px 0; background: var(--bg-alt); }
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-inner--single {
  grid-template-columns: 1fr;
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.contact-inner--single .contact-details { align-items: center; }
.contact-inner--single .contact-details div { align-items: center; }
.contact-info p { color: var(--text-muted); margin-bottom: 28px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-details div { display: flex; flex-direction: column; gap: 2px; }
.contact-details span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}
.contact-details a { font-size: 1.05rem; font-weight: 600; }
.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  resize: vertical;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-btn);
}
.form-status { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-status.success { color: #1a8a4a; }
.form-status.error { color: #d1443a; }

/* FAQ */
.faq { padding: 96px 0; }
.faq-list {
  max-width: 780px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px 24px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  color: var(--accent-onlight);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--text-muted); font-size: 0.94rem; padding-bottom: 20px; }

/* CTA banner */
.cta-banner {
  padding: 72px 0;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  text-align: center;
}
.cta-banner h2 { color: var(--text-on-dark); font-size: 1.9rem; margin-bottom: 12px; }
.cta-banner p { color: var(--text-on-dark-muted); font-size: 1rem; margin-bottom: 28px; }
.cta-banner-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--bg-dark); color: var(--text-on-dark-muted); padding: 28px 0; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}
.footer-inner nav { display: flex; gap: 20px; }
.footer-inner a:hover { color: var(--text-on-dark); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 0; text-align: left; }
  .hero-media { margin-top: 24px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .service-detail-meta { grid-template-columns: 1fr 1fr; }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1080px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav,
  .site-header.nav-open .header-cta {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    flex-basis: 100%;
    width: 100%;
    gap: 14px;
    background: var(--bg-dark);
    padding: 16px 24px;
    border-top: 1px solid var(--border-dark);
  }
  .site-header.nav-open .header-cta { padding-top: 0; border-top: none; }
  .site-header.nav-open .header-cta .btn { justify-content: center; width: 100%; }
}

@media (max-width: 720px) {
  .service-grid, .process-grid, .equipment-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .service-detail-meta { grid-template-columns: 1fr; }
  .sample-compare { grid-template-columns: 1fr; }
  .service-detail-head { flex-wrap: wrap; }
  .service-detail { padding: 24px; }
  .section-title { font-size: 1.7rem; }
  .page-hero h1 { font-size: 2rem; }
  .cta-banner h2 { font-size: 1.6rem; }
  .hero-copy h1 { font-size: 2.2rem; }
}