:root {
  --green: #0f7f5f;
  --blue: #123b5d;
  --dark: #111827;
  --muted: #64748b;
  --light: #f8fafc;
  --line: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 7%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--blue));
  font-weight: 800;
}
.brand strong { display: block; font-size: 18px; }
.brand small { display: block; color: var(--muted); margin-top: -2px; }

.nav {
  display: flex;
  gap: 26px;
  color: #334155;
  font-weight: 600;
}
.nav a:hover { color: var(--green); }

.hero {
  min-height: 84vh;
  display: flex;
  align-items: center;
  padding: 90px 7%;
  background:
    linear-gradient(rgba(15, 23, 42, 0.68), rgba(15, 23, 42, 0.64)),
    url("assets/hero-placeholder.svg") center/cover no-repeat;
}
.hero-content {
  max-width: 860px;
  color: var(--white);
}
.eyebrow {
  margin: 0 0 12px;
  color: #20c997;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 800;
}
.hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -2px;
}
.hero-text {
  max-width: 700px;
  margin: 26px 0 34px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--blue));
  box-shadow: var(--shadow);
}
.btn.ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.section { padding: 90px 7%; }
.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}
.section h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -1px;
}
.section-heading p,
.about p,
.contact-box p {
  color: var(--muted);
  font-size: 18px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.06);
}
.card-number {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--green);
  font-weight: 900;
  font-size: 14px;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}
.card p { margin: 0; color: var(--muted); }

.dark {
  color: var(--white);
  background: #0f172a;
}
.dark .section-heading p { color: #cbd5e1; }
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.project {
  overflow: hidden;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.project div:last-child { padding: 26px; }
.project h3 { margin: 0 0 8px; font-size: 24px; }
.project p { margin: 0; color: #cbd5e1; }
.project-image { height: 240px; }
.gradient-one { background: linear-gradient(135deg, #0f7f5f, #111827); }
.gradient-two { background: linear-gradient(135deg, #123b5d, #0f7f5f); }
.gradient-three { background: linear-gradient(135deg, #111827, #475569); }

.about {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.contact { background: var(--light); }
.contact-box {
  padding: 48px;
  border-radius: 34px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 32px 0;
}
.contact-grid div {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
}
.contact-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
}

.whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  padding: 14px 18px;
  border-radius: 999px;
  color: white;
  background: #25d366;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 7%;
  color: #64748b;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 980px) {
  .cards, .projects, .contact-grid, .about {
    grid-template-columns: 1fr 1fr;
  }
  .nav { display: none; }
}

@media (max-width: 640px) {
  .site-header { padding: 14px 5%; }
  .hero, .section { padding-left: 5%; padding-right: 5%; }
  .cards, .projects, .contact-grid, .about {
    grid-template-columns: 1fr;
  }
  .contact-box { padding: 28px; }
  .footer {
    flex-direction: column;
  }
}
.brand .logo-img {
  width: 70px !important;
  max-height: 45px !important;
  height: auto !important;
  object-fit: contain !important;
  display: block !important;
}
 .video-wrapper {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding-top: 56.25%;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
  background: #000;
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.project-photo {
  width: 100% !important;
  height: 220px !important;
  object-fit: cover !important;
  object-position: center center !important;
  display: block !important;
}
  .project-link {
  color: inherit;
  text-decoration: none;
  display: block;
}

.project-link .project {
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-link .project:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}
.gallery-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)) !important;
  gap: 18px !important;
  max-width: 1100px !important;
  margin: 0 auto !important;
}

.gallery-grid img {
  width: 100% !important;
  height: 140px !important;
  object-fit: cover !important;
  display: block !important;
  border-radius: 12px !important;
  cursor: zoom-in !important;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.gallery-grid img:hover {
  transform: scale(1.03);
  opacity: 0.9;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.82);
}

.image-lightbox.active {
  display: flex;
}

.image-lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  cursor: zoom-out;
}