:root {
  --blue-900: #0a2b56;
  --blue-800: #0f3f78;
  --blue-700: #16579e;
  --blue-600: #1f70c3;
  --blue-500: #2f8de2;
  --blue-100: #dcecff;
  --blue-050: #eef5ff;
  --ink-900: #112338;
  --ink-700: #2f4966;
  --ink-500: #4f6782;
  --line: #c9ddf4;
  --surface: #ffffff;
  --surface-soft: #f5f9ff;
  --shadow-soft: 0 18px 40px rgba(14, 49, 92, 0.14);
  --shadow-card: 0 14px 30px rgba(15, 57, 108, 0.1);
  --radius-lg: 24px;
  --radius-md: 16px;
  --maxw: 1220px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Manrope, "Segoe UI", sans-serif;
  color: var(--ink-900);
  line-height: 1.65;
  background:
    radial-gradient(circle at 8% -5%, rgba(47, 141, 226, 0.13), transparent 34%),
    radial-gradient(circle at 82% -12%, rgba(31, 112, 195, 0.14), transparent 36%),
    linear-gradient(180deg, #f9fcff 0%, #f2f8ff 45%, #f7fbff 100%);
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: linear-gradient(rgba(22, 87, 158, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 87, 158, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 88%);
}

main,
.site-header,
.site-footer {
  width: min(var(--maxw), calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  margin-top: 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-grid;
  gap: 0.3rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 166px;
  max-width: 34vw;
  height: auto;
  border-radius: 8px;
}

.brand-sub {
  color: var(--ink-500);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.34rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-700);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.42rem 0.72rem;
  border-radius: 10px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue-800);
  background: var(--blue-100);
}

.lang-switch {
  display: inline-flex;
  gap: 0.35rem;
}

.lang-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-700);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.38rem 0.5rem;
  border-radius: 9px;
  cursor: pointer;
  min-width: 2.25rem;
}

.lang-btn.active {
  background: linear-gradient(120deg, var(--blue-600), var(--blue-500));
  border-color: var(--blue-500);
  color: #ffffff;
}

.section {
  margin-top: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.1rem, 2vw, 2.2rem);
}

.hero {
  background:
    linear-gradient(145deg, rgba(12, 61, 115, 0.92) 0%, rgba(31, 112, 195, 0.9) 48%, rgba(41, 142, 226, 0.88) 100%),
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.2), transparent 36%);
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.2rem, 2.3vw, 2.8rem);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 800;
}

.hero .eyebrow,
.hero .hero-text,
.hero .hero-metrics span,
.hero .hero-panel p {
  color: rgba(242, 248, 255, 0.9);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.12;
  font-family: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: 0.02em;
}

h1 {
  margin-top: 0.5rem;
  font-size: clamp(2.1rem, 4.8vw, 4.2rem);
  max-width: 14ch;
}

.hero-text {
  margin-top: 0.85rem;
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.68rem 1.18rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--blue-700), var(--blue-500));
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(24, 89, 156, 0.28);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.62);
  color: #ffffff;
  background: transparent;
}

.hero-metrics {
  margin-top: 1.45rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-metrics article {
  border: 1px solid rgba(219, 234, 252, 0.42);
  border-radius: 14px;
  padding: 0.78rem;
  background: rgba(255, 255, 255, 0.09);
}

.hero-metrics strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1;
  color: #ffffff;
}

.hero-metrics span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

.hero-panel {
  border: 1px solid rgba(219, 234, 252, 0.45);
  border-radius: 18px;
  padding: 1.1rem;
  background: rgba(255, 255, 255, 0.12);
}

.hero-panel h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
}

.hero-panel ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.44rem;
}

.hero-panel li {
  border: 1px solid rgba(226, 239, 255, 0.46);
  border-radius: 10px;
  padding: 0.46rem 0.62rem;
  font-size: 0.88rem;
  color: #f1f7ff;
}

.section-head .eyebrow {
  color: var(--blue-700);
}

.section-head h2 {
  margin-top: 0.35rem;
  color: var(--blue-900);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.section-head p {
  margin-top: 0.55rem;
  color: var(--ink-500);
  max-width: 70ch;
}

.operations-grid,
.references-grid {
  margin-top: 1.25rem;
  display: grid;
  gap: 1rem;
}

.operations-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.operation-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-rows: 185px auto;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.operation-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 34px rgba(20, 76, 139, 0.16);
}

.operation-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1.2rem;
  background: linear-gradient(180deg, #f8fbff, #eef5ff);
  border-bottom: 1px solid var(--line);
}

.operation-body {
  padding: 0.9rem;
}

.operation-body h3 {
  color: var(--blue-900);
  font-size: 1.48rem;
}

.operation-explain {
  margin-top: 0.45rem;
  color: var(--ink-500);
  font-size: 0.9rem;
}

.operation-specs {
  margin: 0.72rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.36rem;
  font-size: 0.82rem;
}

.operation-specs li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.33rem 0.5rem;
  color: var(--ink-700);
  background: #f9fcff;
}

.references-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.reference-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.reference-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  padding: 0.95rem;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.reference-body {
  padding: 0.78rem;
}

.reference-body h3 {
  color: var(--blue-900);
  font-size: 1.26rem;
}

.reference-body p {
  margin: 0.4rem 0 0;
  color: var(--ink-500);
  font-size: 0.84rem;
}

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

.info-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  padding: 1rem;
}

.info-card .eyebrow {
  color: var(--blue-700);
}

.info-card h2 {
  margin-top: 0.4rem;
  color: var(--blue-900);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
}

.info-card p {
  color: var(--ink-500);
}

.mini-contact {
  margin-top: 0.95rem;
  border-top: 1px solid var(--line);
  padding-top: 0.86rem;
}

.mini-contact h3 {
  color: var(--blue-900);
  font-size: 1.3rem;
}

.mini-contact p {
  margin: 0.3rem 0;
  color: var(--ink-700);
  font-size: 0.9rem;
}

.mini-contact strong {
  color: var(--ink-900);
}

.certifications ul {
  list-style: none;
  margin: 0.9rem 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.certifications li {
  color: var(--ink-700);
  font-size: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.48rem 0.6rem;
  background: #f8fbff;
}

.cta-band {
  border-color: #b8d7f7;
  background: linear-gradient(135deg, #edf5ff, #f7fbff);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}

.cta-band .eyebrow {
  color: var(--blue-700);
}

.cta-band h2 {
  color: var(--blue-900);
}

.cta-band p {
  color: var(--ink-500);
  margin-top: 0.55rem;
}

.social-wrap {
  margin-top: 1rem;
}

.social-title {
  margin: 0;
  color: var(--blue-800);
  font-weight: 700;
  font-size: 0.9rem;
}

.social-links {
  margin-top: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--blue-800);
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  font-size: 0.84rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.social-link svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: currentColor;
}

.social-link:hover,
.social-link:focus-visible {
  transform: translateY(-1px);
  border-color: var(--blue-500);
  box-shadow: 0 12px 20px rgba(20, 76, 139, 0.12);
}

.quote-hero {
  max-width: 900px;
  margin-inline: auto;
}

.quote-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
}

.quote-modal.open {
  display: block;
}

.quote-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 33, 60, 0.55);
}

.quote-modal-panel {
  position: relative;
  width: min(980px, calc(100% - 1.2rem));
  margin: min(5vh, 2rem) auto;
  max-height: calc(100vh - 2.4rem);
  overflow: auto;
  border-radius: 20px;
  border: 1px solid #b7d5f7;
  background: #ffffff;
  box-shadow: 0 30px 60px rgba(10, 37, 70, 0.35);
  padding: 1rem;
  animation: modalIn 0.22s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.quote-modal-close {
  position: sticky;
  top: 0;
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--blue-900);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}

.quote-form {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.quote-form label {
  display: grid;
  gap: 0.42rem;
}

.quote-form label span {
  color: var(--ink-700);
  font-size: 0.84rem;
  font-weight: 600;
}

.quote-form input,
.quote-form textarea,
.quote-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--ink-900);
  font: inherit;
  padding: 0.62rem 0.72rem;
}

.quote-form textarea,
.quote-form label:has(textarea),
.quote-form label:has(input[type="file"]) {
  grid-column: 1 / -1;
}

.quote-form button {
  grid-column: 1 / -1;
  justify-self: start;
}

.form-message {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 600;
}

.form-message.error {
  color: #b0262f;
}

.form-message.success {
  color: #14694a;
}

.quote-fallback-link {
  margin-inline-start: 0.45rem;
  color: var(--blue-700);
  font-weight: 700;
  text-decoration: underline;
}

.site-footer {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: #ffffff;
  text-align: center;
  color: var(--ink-500);
  font-size: 0.86rem;
}

.footer-cert-strip {
  margin-top: 0.7rem;
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
}

.footer-cert-strip img {
  display: block;
  width: min(100%, 900px);
  height: auto;
  margin-inline: auto;
  object-fit: contain;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 1060px) {
  .site-header {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0.9rem;
  }

  .site-nav {
    justify-content: flex-start;
  }

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

  .split {
    grid-template-columns: 1fr;
  }

  .cta-band {
    grid-template-columns: 1fr;
    justify-items: start;
  }
}

@media (max-width: 760px) {
  main,
  .site-header,
  .site-footer {
    width: calc(100% - 1.2rem);
  }

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

  .quote-form {
    grid-template-columns: 1fr;
  }

  .operation-card {
    grid-template-rows: 160px auto;
  }

  .quote-modal-panel {
    margin: 0.6rem auto;
    max-height: calc(100vh - 1.2rem);
  }
}

html[dir="rtl"] body {
  font-family: "Segoe UI", Tahoma, sans-serif;
}

html[dir="rtl"] .site-nav {
  justify-content: flex-end;
}

html[dir="rtl"] .hero-metrics,
html[dir="rtl"] .quote-form {
  direction: rtl;
}