:root {
  --primary: #0077c8;
  --primary-dark: #005a9e;
  --green: #00a651;
  --green-hover: #008f45;
  --dark: #0c0c0c;
  --dark-2: #141414;
  --gray: #9a9a9a;
  --white: #ffffff;
  --card-bg: #1a1a1a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(12,12,12,0.96); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 44px; width: auto; }

nav.desktop-nav { display: none; }
nav.desktop-nav a {
  margin: 0 14px; font-size: 0.93rem; font-weight: 500; color: #ccc; transition: color 0.2s; position: relative;
}
nav.desktop-nav a:hover, nav.desktop-nav a.active { color: var(--green); }
nav.desktop-nav a.active::after {
  content: ''; position: absolute; bottom: -6px; left: 0; width: 100%; height: 2px;
  background: var(--green); border-radius: 2px;
}

.header-right { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 22px; border-radius: 6px; font-weight: 600; font-size: 0.92rem;
  border: none; cursor: pointer; transition: all 0.25s; gap: 7px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-hover); }
.btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,0.25); color: #fff; }
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }

.hamburger {
  display: flex; flex-direction: column; justify-content: space-between;
  width: 26px; height: 18px; background: none; border: none; cursor: pointer; z-index: 1001;
}
.hamburger span { display: block; height: 2.5px; width: 100%; background: #fff; border-radius: 2px; transition: all 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7.75px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.75px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
  background: var(--dark-2); padding: 90px 28px 40px; transition: right 0.35s; z-index: 999;
  display: flex; flex-direction: column; gap: 2px; box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  padding: 14px 0; font-size: 1.05rem; font-weight: 500; color: #eee;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--green); }
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 998;
}
.overlay.show { opacity: 1; visibility: visible; }

/* HERO / LANDING */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 110px 0 80px; overflow: hidden;
}
.hero-slider { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(8,12,20,0.93) 0%, rgba(8,12,20,0.78) 50%, rgba(8,12,20,0.55) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-content h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15;
  margin-bottom: 16px; letter-spacing: -0.7px;
}
.hero-content .tagline {
  font-size: 1.05rem; color: var(--green); font-weight: 600; margin-bottom: 14px;
  letter-spacing: 0.3px;
}
.hero-content p {
  font-size: 1.05rem; color: #c5c5c5; margin-bottom: 28px; line-height: 1.7;
}
.nav-cards {
  display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 8px;
}
.nav-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; padding: 18px 20px; transition: all 0.25s;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-card:hover {
  background: rgba(0,166,81,0.12); border-color: rgba(0,166,81,0.35); transform: translateX(4px);
}
.nav-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 2px; }
.nav-card p { font-size: 0.85rem; color: #999; margin: 0; }
.nav-card .arrow { color: var(--green); font-size: 1.3rem; }

.hero-dots {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; gap: 8px;
}
.hero-dot {
  width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.35); border: none; cursor: pointer; transition: all 0.3s;
}
.hero-dot.active { background: var(--green); width: 26px; border-radius: 5px; }

/* PAGE HERO */
.page-hero {
  padding: 130px 0 55px;
  background: linear-gradient(135deg, #0c0c0c 0%, #0a1625 60%, #0c0c0c 100%);
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 800; letter-spacing: -0.6px; margin-bottom: 12px; }
.page-hero p { color: #bbb; font-size: 1.05rem; max-width: 580px; margin: 0 auto; }

/* SECTIONS */
section { padding: 75px 0; }
.section-label {
  display: inline-block; font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.4px; color: var(--green); margin-bottom: 10px;
}
.section-title { font-size: clamp(1.65rem, 3.4vw, 2.3rem); font-weight: 800; margin-bottom: 14px; letter-spacing: -0.4px; }
.text-center { text-align: center; }
.lead { color: #b0b0b0; font-size: 1.05rem; max-width: 700px; margin: 0 auto 36px; }

/* CARDS */
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 20px; }
.card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px;
  padding: 28px 22px; transition: transform 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(0,166,81,0.25); }
.card-icon {
  width: 52px; height: 52px; margin-bottom: 14px; background: rgba(0,119,200,0.14);
  border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 0.93rem; color: var(--gray); }

/* SERVICES */
.service-card {
  background: var(--card-bg); border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06); transition: transform 0.25s;
}
.service-card:hover { transform: translateY(-3px); }
.service-img { height: 180px; overflow: hidden; background: #222; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.service-card:hover .service-img img { transform: scale(1.04); }
.service-body { padding: 20px; }
.service-body h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; }
.service-body p { font-size: 0.9rem; color: var(--gray); }

/* PROJECTS */
.project-item {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.06); border-radius: 10px;
  padding: 22px;
}
.project-item h4 { font-size: 1.02rem; margin-bottom: 8px; color: var(--green); }
.project-item ul { padding-left: 18px; color: #aaa; font-size: 0.9rem; }
.project-item li { margin-bottom: 5px; }

/* GALLERY */
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gallery-grid img {
  width: 100%; height: 160px; object-fit: cover; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
.contact-info-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 28px;
}
.contact-info-card h3 { font-size: 1.25rem; margin-bottom: 18px; }
.info-item { display: flex; gap: 12px; margin-bottom: 18px; align-items: flex-start; }
.info-item .icon {
  width: 40px; height: 40px; background: rgba(0,119,200,0.14); border-radius: 9px;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.info-item h4 { font-size: 0.9rem; margin-bottom: 2px; }
.info-item p, .info-item a { color: var(--gray); font-size: 0.9rem; }

.form-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 28px;
}
.form-card h3 { font-size: 1.25rem; margin-bottom: 4px; }
.form-card .assure { font-size: 0.85rem; color: var(--green); margin-bottom: 18px; font-weight: 500; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.form-group { margin-bottom: 10px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 14px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 7px; color: #fff;
  font-size: 0.92rem; font-family: inherit; outline: none; transition: border-color 0.2s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #777; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-card .btn { width: 100%; margin-top: 6px; padding: 13px; }

.map-wrapper {
  position: relative; height: 380px; width: 100%; border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08); margin-top: 40px;
}
.map-wrapper iframe { width: 100%; height: 100%; border: 0; }

/* CTA */
.cta {
  background: linear-gradient(135deg, #0a1625 0%, #0c0c0c 100%); text-align: center; padding: 70px 0;
}
.cta h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.cta p { color: var(--gray); margin-bottom: 24px; font-size: 1.02rem; }

/* FOOTER */
footer { background: #090909; padding: 48px 0 28px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 36px; }
.footer-brand p { color: #777; font-size: 0.9rem; max-width: 260px; margin-top: 10px; }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 14px; }
.footer-col a { display: block; color: #888; font-size: 0.88rem; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--green); }
.footer-bottom { text-align: center; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom p { color: #555; font-size: 0.84rem; }

.bg-dark { background: var(--dark-2); }

/* RESPONSIVE */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

@media (min-width: 640px) {
  .nav-cards { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid img { height: 180px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  nav.desktop-nav { display: flex; }
  .hamburger { display: none; }
  .nav-cards { grid-template-columns: 1fr 1fr 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1.1fr; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}