:root {
  --ink: #11161c;
  --graphite: #17202a;
  --steel: #243746;
  --panel: #f5f7f9;
  --line: #d8e0e7;
  --muted: #5d6975;
  --white: #ffffff;
  --cyan: #17b8d8;
  --blue: #1769aa;
  --orange: #f26b21;
  --shadow: 0 18px 50px rgba(17, 22, 28, 0.18);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.top-strip {
  background: var(--ink);
  color: #dce7ef;
  font-size: 13px;
}

.top-strip .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  flex-wrap: wrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--ink);
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
}

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

.nav-links a,
.nav-toggle {
  border: 0;
  background: transparent;
  color: var(--steel);
  font: inherit;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: #eef7fb;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  position: relative;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span {
  top: 21px;
}

.nav-toggle::before {
  top: 15px;
}

.nav-toggle::after {
  top: 27px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 110px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  background: var(--ink);
}

.hero.short {
  min-height: 440px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 17, 23, 0.92), rgba(12, 17, 23, 0.58) 48%, rgba(12, 17, 23, 0.25));
  z-index: 1;
}

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

.hero .container {
  position: relative;
  z-index: 2;
  padding: 78px 0 52px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--orange);
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 850px;
  margin-top: 18px;
  font-size: clamp(40px, 8vw, 86px);
}

h2 {
  font-size: clamp(30px, 4vw, 50px);
}

h3 {
  font-size: 22px;
}

p {
  margin: 0;
}

.lead {
  max-width: 720px;
  margin-top: 22px;
  color: #dbe6ee;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--orange);
  color: var(--white);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.44);
  color: var(--white);
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 54px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(16, 24, 32, 0.72);
}

.stat {
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.stat:last-child {
  border-right: 0;
}

.stat strong {
  display: block;
  color: var(--white);
  font-size: 28px;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: #bad0df;
  font-size: 13px;
  text-transform: uppercase;
  font-weight: 800;
}

section {
  padding: 82px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 560px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.card-body {
  padding: 22px;
}

.card p,
.feature-list li,
.check-list li {
  color: var(--muted);
}

.card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.dark-band {
  background:
    linear-gradient(rgba(19, 29, 38, 0.93), rgba(19, 29, 38, 0.93)),
    repeating-linear-gradient(90deg, transparent 0, transparent 42px, rgba(255,255,255,0.05) 43px);
  color: var(--white);
}

.dark-band .section-head p,
.dark-band .card p,
.dark-band .feature-list li {
  color: #bed0dc;
}

.dark-band .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.feature-list,
.check-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}

.feature-list li,
.check-list li {
  position: relative;
  padding-left: 20px;
}

.feature-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.split {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 42px;
  align-items: center;
}

.image-stack {
  display: grid;
  grid-template-columns: 1fr 0.74fr;
  gap: 14px;
}

.image-stack img {
  width: 100%;
  min-height: 260px;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.image-stack img:nth-child(2) {
  margin-top: 44px;
}

.cert-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--steel);
  background: var(--white);
  font-weight: 800;
  font-size: 13px;
}

.dark-band .pill {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--white);
}

.gallery-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--steel);
  border-radius: 6px;
  padding: 9px 12px;
  font-weight: 800;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.gallery-item {
  position: relative;
  border: 0;
  padding: 0;
  background: var(--ink);
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 210px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.gallery-item span {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  color: var(--white);
  font-weight: 800;
  text-align: left;
  text-shadow: 0 1px 10px rgba(0,0,0,0.65);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: var(--white);
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel);
  color: var(--steel);
  font-size: 13px;
  text-transform: uppercase;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

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

.contact-panel {
  background: var(--ink);
  color: var(--white);
}

.contact-panel p,
.contact-panel a {
  color: #d1e1eb;
}

.contact-item {
  display: grid;
  gap: 4px;
  margin-top: 20px;
}

.contact-item strong {
  color: var(--cyan);
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--steel);
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.form-message {
  color: var(--blue);
  font-weight: 800;
  min-height: 24px;
}

.map-link {
  display: block;
  margin-top: 18px;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 210px;
  background:
    linear-gradient(135deg, rgba(23,105,170,0.9), rgba(17,22,28,0.92)),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(255,255,255,0.08) 13px 14px);
  color: var(--white);
  padding: 24px;
}

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

.cta .container {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}

.site-footer {
  background: var(--ink);
  color: #c4d1dc;
  padding: 42px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 28px;
}

.site-footer h3 {
  color: var(--white);
  margin-bottom: 12px;
}

.site-footer a {
  display: block;
  margin-top: 8px;
  color: #d8e4ec;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 13px;
}

.footer-bottom a {
  display: inline;
  margin-top: 0;
  color: var(--cyan);
  font-weight: 800;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(4, 8, 12, 0.88);
}

.lightbox.open {
  display: grid;
}

.lightbox img {
  max-height: 82vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lightbox button {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-radius: 6px;
  font-size: 24px;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .stats,
  .grid.three,
  .grid.two,
  .split,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    margin-top: 34px;
  }

  .stat {
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.16);
  }

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

  .section-head,
  .cta .container {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .brand span {
    font-size: 15px;
  }

  .top-strip .container {
    display: none;
  }

  .hero,
  .hero.short {
    min-height: 560px;
  }

  .hero .container {
    padding: 58px 0 34px;
  }

  section {
    padding: 58px 0;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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

  .image-stack {
    grid-template-columns: 1fr;
  }

  .image-stack img:nth-child(2) {
    margin-top: 0;
  }
}