/* ===== VARIABLES ===== */
:root {
  --green: #1a8c3c;
  --green-dark: #136b2d;
  --green-light: #22a84a;
  --dark: #0d1117;
  --dark2: #161b22;
  --dark3: #21262d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --border: rgba(255,255,255,0.08);
  --font-head: 'Rajdhani', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 12px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--dark); color: var(--text); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

/* ===== TYPOGRAPHY ===== */
.section-tag { display: inline-block; font-family: var(--font-head); font-size: 0.85rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--green-light); border: 1px solid var(--green-light); padding: 4px 14px; border-radius: 20px; margin-bottom: 14px; }
.section-title { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }
.green { color: var(--green-light); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 4px; font-family: var(--font-head); font-size: 1rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,140,60,0.4); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 100px;
  background: rgba(13,17,23,0.80);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(26,140,60,0.15);
  transition: var(--transition);
}

.navbar.scrolled {
  height: 86px;
  background: rgba(13,17,23,0.97);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(26,140,60,0.25);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5), 0 1px 0 rgba(26,140,60,0.12);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== LOGO ===== */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
}

/* Subtle glow ring behind logo */
.nav-logo::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,140,60,0.18) 0%, transparent 72%);
  pointer-events: none;
  transition: opacity 0.4s ease;
  opacity: 1;
}

.nav-logo:hover::before {
  opacity: 1;
  background: radial-gradient(circle, rgba(34,168,74,0.28) 0%, transparent 72%);
}

.nav-logo img {
  height: 86px;
  width: auto;
  object-fit: contain;
  display: block;
  /* Brightness + drop-shadow that follows logo shape exactly */
  filter:
    brightness(1.15)
    contrast(1.05)
    drop-shadow(0 0 8px rgba(26,140,60,0.55))
    drop-shadow(0 2px 18px rgba(26,140,60,0.30));
  transition: filter 0.35s ease, transform 0.35s ease;
}

.nav-logo:hover img {
  filter:
    brightness(1.28)
    contrast(1.08)
    drop-shadow(0 0 14px rgba(34,168,74,0.80))
    drop-shadow(0 4px 28px rgba(26,140,60,0.50));
  transform: scale(1.05);
}

/* Shrink logo when navbar scrolled */
.navbar.scrolled .nav-logo img {
  height: 72px;
}

/* ===== NAV LINKS ===== */
.nav-links {
  display: flex;
  align-items: center;
  gap: 42px;
}

.nav-links a {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-light);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--green-light);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--green-light);
}

.nav-links a.active::after {
  width: 100%;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(135deg, #0a1628 0%, #0d2b1a 50%, #0a1628 100%); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231a8c3c' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(26,140,60,0.12) 0%, transparent 70%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 24px; animation: fadeUp 1s ease both; }
.hero-tagline { font-family: var(--font-head); font-size: 0.9rem; letter-spacing: 4px; text-transform: uppercase; color: var(--green-light); margin-bottom: 16px; }
.hero-title { font-family: var(--font-head); font-size: clamp(3rem, 8vw, 6rem); font-weight: 700; line-height: 1; letter-spacing: 4px; text-transform: uppercase; color: #fff; margin-bottom: 12px; text-shadow: 0 0 40px rgba(26,140,60,0.3); }
.hero-sub { font-family: var(--font-head); font-size: 1.2rem; letter-spacing: 6px; text-transform: uppercase; color: var(--green-light); margin-bottom: 24px; }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 40px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,0.4); font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase; animation: bounce 2s infinite; z-index: 2; }

/* ===== STATS STRIP ===== */
.stats-strip { background: var(--green); padding: 32px 0; display: flex; justify-content: center; gap: 0; }
.stat { flex: 1; max-width: 220px; text-align: center; padding: 0 20px; border-right: 1px solid rgba(255,255,255,0.2); }
.stat:last-child { border-right: none; }
.stat-num { display: block; font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; color: #fff; }
.stat-label { font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.8); }

/* ===== ABOUT ===== */
.about { background: var(--dark2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.02rem; }
.about-text p strong { color: var(--text); }
.about-text .btn { margin-top: 16px; }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-card { background: var(--dark3); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; transition: var(--transition); }
.about-card:hover { border-color: var(--green); transform: translateY(-4px); }
.about-card i { font-size: 1.8rem; color: var(--green-light); margin-bottom: 12px; }
.about-card h3 { font-family: var(--font-head); font-size: 1.1rem; margin-bottom: 8px; }
.about-card p { font-size: 0.88rem; color: var(--text-muted); }

/* ===== SERVICES ===== */
.services { background: var(--dark); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.service-card { background: var(--dark2); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: attr(data-index); position: absolute; top: -10px; right: 16px; font-family: var(--font-head); font-size: 5rem; font-weight: 700; color: rgba(26,140,60,0.07); line-height: 1; }
.service-card:hover { border-color: var(--green); transform: translateY(-6px); box-shadow: 0 16px 40px rgba(26,140,60,0.15); }
.service-icon { width: 60px; height: 60px; background: linear-gradient(135deg, var(--green-dark), var(--green)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.service-icon i { font-size: 1.4rem; color: #fff; }
.service-card h3 { font-family: var(--font-head); font-size: 1.35rem; font-weight: 700; margin-bottom: 16px; }
.service-card ul li { font-size: 0.9rem; color: var(--text-muted); padding: 6px 0; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.service-card ul li:last-child { border-bottom: none; }
.service-card ul li::before { content: ''; width: 6px; height: 6px; background: var(--green-light); border-radius: 50%; flex-shrink: 0; }

/* ===== CONTACT ===== */
.contact { background: var(--dark2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.contact-item { display: flex; gap: 20px; margin-bottom: 36px; }
.contact-item i { font-size: 1.4rem; color: var(--green-light); margin-top: 4px; flex-shrink: 0; }
.contact-item h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; }
.contact-item p { color: var(--text-muted); font-size: 0.95rem; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea { background: var(--dark3); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; color: var(--text); font-family: var(--font-body); font-size: 0.95rem; transition: var(--transition); width: 100%; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--green); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form textarea { resize: vertical; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); border-top: 1px solid var(--border); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 60px; padding: 60px 0 40px; }
.footer-logo { height: 80px; object-fit: contain; margin-bottom: 16px; filter: brightness(0.9); }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }
.footer-links h4, .footer-services h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--green-light); margin-bottom: 20px; }
.footer-links ul li, .footer-services ul li { padding: 6px 0; font-size: 0.9rem; color: var(--text-muted); transition: var(--transition); cursor: pointer; }
.footer-links ul li a:hover, .footer-services ul li:hover { color: var(--green-light); padding-left: 6px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar { height: 82px; }

  .navbar.scrolled { height: 72px; }

  .nav-logo img {
    height: 62px;
  }

  .navbar.scrolled .nav-logo img {
    height: 54px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    background: rgba(13,17,23,0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    border-bottom: 1px solid rgba(26,140,60,0.2);
  }

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

  .nav-links a {
    padding: 14px 24px;
  }

  .hamburger {
    display: flex;
  }

  .stats-strip { flex-wrap: wrap; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-btns { flex-direction: column; align-items: center; }
}