/* ==========================================================================
   NextGen Infrastructure — base stylesheet
   ========================================================================== */

:root {
  --green: #9FC43B;
  --green-dark: #83A62E;
  --dark: #231F20;
  --dark-soft: #3A3536;
  --grey-50: #F7F8F5;
  --grey-100: #EDEFE8;
  --grey-300: #D6D9CF;
  --grey-500: #8A8D85;
  --white: #FFFFFF;
  --max-width: 1180px;
  --radius: 2px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 4px 24px rgba(35, 31, 32, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--dark-soft); }

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

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 92% 100%, 0 100%);
}

.btn-primary {
  background: var(--green);
  color: var(--dark);
}
.btn-primary:hover { background: var(--dark); color: var(--white); }

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover { background: var(--green); color: var(--dark); }

/* ---------- Header / Nav ---------- */
.topbar {
  background: var(--dark);
  color: var(--grey-300);
  font-size: 0.82rem;
}
.topbar .container {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar a { color: var(--grey-300); }
.topbar a:hover { color: var(--green); }
.topbar .sep { color: var(--grey-500); }

header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--grey-100);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo-link img { height: 42px; width: auto; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  border-bottom-color: var(--green);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

/* Nav CTA button is a compact slot next to a 42px-tall logo — the base
   .btn padding (tuned for large standalone CTAs) makes it look oversized
   here, so tighten padding, font-size and line-height just in this context. */
.nav-cta .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
  line-height: 1.2;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  margin: 5px 0;
  transition: 0.2s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--dark);
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -20%;
  width: 60%;
  height: 140%;
  background: var(--green);
  opacity: 0.12;
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0% 100%);
  pointer-events: none;
}
.hero-photo {
  background-size: cover;
  background-position: center 50%;
}
.hero-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(35,31,32,0.96) 0%, rgba(35,31,32,0.82) 40%, rgba(35,31,32,0.45) 75%, rgba(35,31,32,0.25) 100%);
}

.hero-inner {
  position: relative;
  padding: 110px 0 90px;
  max-width: 720px;
}
.hero-inner p.lead {
  color: var(--grey-300);
  font-size: 1.15rem;
  max-width: 600px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.page-hero {
  position: relative;
  background: var(--dark);
  color: var(--white);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -30%;
  width: 45%;
  height: 160%;
  background: var(--green);
  opacity: 0.14;
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0% 100%);
}
.page-hero-inner {
  position: relative;
  padding: 72px 0;
}
.page-hero-inner p {
  color: var(--grey-300);
  max-width: 620px;
  font-size: 1.05rem;
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--grey-50); }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

/* ---------- Cards / grid ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  padding: 32px 26px;
  border-radius: var(--radius);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.card .icon-badge {
  width: 46px;
  height: 46px;
  background: var(--green);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 18px;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 80% 100%, 0 100%);
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Service block (alternating) ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--grey-100);
}
.service-block:last-child { border-bottom: none; }
.service-block:nth-child(even) .service-visual { order: 2; }
.service-number {
  font-size: 3.4rem;
  font-weight: 800;
  color: var(--grey-300);
  line-height: 1;
  margin-bottom: 12px;
}
.service-visual {
  background: var(--dark);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 90% 100%, 0 100%);
}
.service-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--green);
  opacity: 0.15;
  clip-path: polygon(20% 0, 100% 0, 60% 100%, 0 100%);
}
.service-visual img {
  width: 96px;
  opacity: 0.95;
  position: relative;
  z-index: 1;
}

.service-visual.photo {
  min-height: 320px;
}
.service-visual.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 1;
}
.service-visual.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(200deg, rgba(35,31,32,0) 40%, rgba(35,31,32,0.65) 100%);
}
.service-visual.photo::after {
  opacity: 0.16;
  z-index: 2;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.tag {
  background: var(--grey-100);
  color: var(--dark-soft);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
}

/* ---------- Values ---------- */
.value-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 30px;
}
.value-row .num {
  font-weight: 800;
  color: var(--green-dark);
  font-size: 1.3rem;
  min-width: 40px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--green);
  color: var(--dark);
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--dark-soft); margin-bottom: 28px; }
.cta-band .btn-dark { clip-path: polygon(0 0, 100% 0, 100% 70%, 92% 100%, 0 100%); }

/* ---------- Work gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px;
  gap: 14px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(35,31,32,0) 55%, rgba(35,31,32,0.55) 100%);
  pointer-events: none;
}
.gallery-caption {
  position: absolute;
  left: 16px;
  bottom: 12px;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  z-index: 2;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}
.contact-card {
  background: var(--grey-50);
  border: 1px solid var(--grey-100);
  padding: 36px;
}
.contact-line {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--grey-100);
}
.contact-line:last-child { border-bottom: none; }
.contact-line .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey-500);
  display: block;
  margin-bottom: 2px;
}
.contact-line a { font-weight: 700; }
.contact-line a:hover { color: var(--green-dark); }
.icon-dot {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--dark);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 80% 100%, 0 100%);
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--dark);
  color: var(--grey-300);
  padding: 56px 0 26px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-top img { height: 40px; margin-bottom: 14px; }
.footer-top p { color: var(--grey-500); max-width: 340px; font-size: 0.92rem; }
.footer-cols {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  font-size: 0.82rem;
  color: var(--grey-500);
  flex-wrap: wrap;
  gap: 10px;
}
.social-links { display: flex; gap: 18px; }
.social-links a:hover { color: var(--green); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; gap: 28px; }
  .service-block:nth-child(even) .service-visual { order: 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
}

/* Nav switches to the hamburger menu earlier than the general tablet
   breakpoint below, since 5 nav items need more room than 4 did before
   wrapping onto two lines. */
@media (max-width: 960px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: block; }

  body.nav-open nav.main-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--grey-100);
    box-shadow: var(--shadow);
  }
  body.nav-open nav.main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  body.nav-open nav.main-nav li { border-bottom: 1px solid var(--grey-100); }
  body.nav-open nav.main-nav a { display: block; padding: 14px 0; }
}

@media (max-width: 700px) {
  .topbar .container { justify-content: center; flex-wrap: wrap; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-inner { padding: 70px 0 60px; }
  section { padding: 60px 0; }
  .footer-top { flex-direction: column; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
}