:root {
  --navy-950: #071225;
  --navy-900: #0d192f;
  --navy-800: #14243d;
  --green-500: #20c86a;
  --green-600: #13ac58;
  --white: #ffffff;
  --slate-50: #f5f7f9;
  --slate-200: #dbe2e8;
  --slate-500: #687789;
  --slate-700: #334155;
  --text: #172033;
  --max-width: 1180px;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(7, 18, 37, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--slate-50);
  font-family: "Segoe UI", Tahoma, sans-serif;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--green-500); outline-offset: 3px; }

.container { width: min(calc(100% - 32px), var(--max-width)); margin-inline: auto; }
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green-500);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3, h4 {
  margin: 0 0 18px;
  font-family: Impact, "Arial Narrow", sans-serif;
  font-weight: 500;
  letter-spacing: .025em;
  line-height: 1.05;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4vw, 3.8rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.65rem); }
p { margin: 0 0 18px; }
.lead { max-width: 760px; color: var(--slate-500); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.section { padding: clamp(70px, 9vw, 120px) 0; }
.section-dark { color: var(--white); background: var(--navy-900); }
.section-accent { color: var(--white); background: var(--green-600); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 44px; }
.section-heading > :last-child { margin-bottom: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: var(--white);
  background: rgba(7, 18, 37, .97);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: auto; height: 58px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  color: #d7deea;
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--green-500); }
.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px;
  font-size: 1.5rem;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  color: var(--white);
  background: var(--green-500);
  border: 2px solid var(--green-500);
  border-radius: 10px;
  font-weight: 800;
  letter-spacing: .05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease;
}
.button:hover { background: var(--green-600); transform: translateY(-2px); }
.button-outline { color: var(--white); background: transparent; border-color: rgba(255,255,255,.8); }
.button-outline:hover { background: rgba(255,255,255,.1); }

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-950);
}
.hero-small { min-height: 470px; }
.hero-media, .hero::after { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; background: linear-gradient(90deg, rgba(7,18,37,.96) 0%, rgba(7,18,37,.72) 50%, rgba(7,18,37,.2) 100%); }
.hero-content { position: relative; z-index: 1; max-width: var(--max-width); padding: 80px 0; }
.hero h1 span { color: var(--green-500); }
.hero p { max-width: 720px; color: #e0e6ef; font-size: clamp(1.08rem, 2vw, 1.32rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.split { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(40px, 7vw, 90px); }
.split-media img { width: 100%; min-height: 440px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { padding: 30px; background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius); box-shadow: 0 10px 35px rgba(7,18,37,.07); }
.card h3 { color: var(--navy-900); }
.card p { color: var(--slate-500); }
.card-link { color: var(--green-600); font-weight: 800; text-decoration: none; }
.logo-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; background: transparent; }
.logo-strip div { min-height: 135px; display: grid; place-items: center; padding: 22px; color: var(--white); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; text-align: center; font-weight: 800; }
.logo-strip div:nth-child(1) { background: linear-gradient(145deg, #17385b, #0b1c34); }
.logo-strip div:nth-child(2) { background: linear-gradient(145deg, #145566, #0b2935); }
.logo-strip div:nth-child(3) { background: linear-gradient(145deg, #12643e, #0b3525); }
.logo-strip div:nth-child(4) { background: linear-gradient(145deg, #4a3f2d, #211c16); }
.logo-strip div:nth-child(5) { background: linear-gradient(145deg, #334155, #111827); }

@media (min-width: 961px) {
  .hero-small h1 { max-width: none; white-space: nowrap; }
}

.page-content { padding: 72px 0 110px; }
.prose { max-width: 860px; }
.prose h2 { margin-top: 52px; font-size: clamp(2rem, 4vw, 3.4rem); }
.prose h3 { margin-top: 34px; }
.prose li { margin-bottom: 10px; }
.feature-list { display: grid; gap: 15px; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 30px; }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 12px; height: 12px; background: var(--green-500); border-radius: 50%; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project-card { overflow: hidden; color: var(--white); background: var(--navy-900); border-radius: var(--radius); }
.project-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.project-card div { padding: 28px; }
.project-card p { color: #cbd5e1; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
.contact-card { padding: 34px; color: var(--white); background: var(--navy-900); border-radius: var(--radius); }
.contact-card a { color: var(--green-500); }
.contact-cta { display: grid; place-items: center; min-height: 280px; padding: 34px; color: var(--white); background: linear-gradient(145deg, var(--navy-800), var(--navy-950)); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); }
.contact-cta strong { display: block; margin-bottom: 8px; color: #aeb9c8; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.phone-link { color: var(--green-500); font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(2rem, 4vw, 3.6rem); letter-spacing: .035em; line-height: 1.1; text-decoration: none; }
.phone-link:hover { color: var(--white); }

.accordion { border-top: 1px solid var(--slate-200); }
.accordion-item { border-bottom: 1px solid var(--slate-200); }
.accordion-button { width: 100%; display: flex; justify-content: space-between; gap: 24px; padding: 24px 0; color: var(--navy-900); background: transparent; border: 0; text-align: left; font-weight: 800; }
.accordion-button::after { content: "+"; color: var(--green-600); font-size: 1.5rem; }
.accordion-button[aria-expanded="true"]::after { content: "−"; }
.accordion-panel { padding: 0 0 24px; color: var(--slate-500); }

.site-footer { color: #c7d0dc; background: var(--navy-950); border-top: 6px solid var(--green-500); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 38px; padding: 68px 0 48px; }
.footer-brand img { width: 250px; margin-bottom: 20px; }
.site-footer h4 { color: var(--white); font-family: "Segoe UI", sans-serif; font-size: .9rem; letter-spacing: .08em; }
.site-footer ul { padding: 0; margin: 0; list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--green-500); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.1); color: #7f8da0; font-size: .82rem; }

@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 12px 16px 24px; background: var(--navy-950); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 8px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .header-cta { display: none; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .header-inner { min-height: 74px; }
  .brand img { height: 48px; }
  .hero { min-height: 700px; }
  .hero-small { min-height: 410px; }
  .hero::after { background: linear-gradient(180deg, rgba(7,18,37,.55), rgba(7,18,37,.94)); }
  .card-grid, .project-grid, .logo-strip, .footer-grid { grid-template-columns: 1fr; }
  .section-heading, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .gallery { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}


/* Photo lightbox */
.lightbox-trigger {
  cursor: zoom-in;
}

.lightbox-trigger:focus-visible {
  outline: 3px solid var(--green, #18d36e);
  outline-offset: 4px;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 56px 24px 24px;
  background: rgba(4, 13, 28, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  display: grid;
  gap: 12px;
  max-width: min(1200px, 94vw);
  max-height: 88vh;
  margin: 0;
}

.lightbox-image {
  display: block;
  max-width: 100%;
  max-height: 80vh;
  margin: auto;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.lightbox-caption {
  color: #fff;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  font: 300 34px/1 sans-serif;
  cursor: pointer;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: var(--green, #18d36e);
  outline: none;
}

.partners-section .gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
}

.partners-section .gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (max-width: 640px) {
  .partners-section .gallery {
    grid-template-columns: 1fr;
  }
}