* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Tahoma, sans-serif;
}

:root {
  --green: #007a3d;
  --light-green: #00b866;
  --dark-green: #061f18;
  --deep-green: #03130f;
  --soft-green: #0b2d22;
  --white: #ffffff;
  --gray: #cfd8d3;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--deep-green);
  color: var(--white);
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 18px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  background: rgba(3, 19, 15, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--green), var(--light-green));
  display: grid;
  place-items: center;
  padding: 8px;
  box-shadow: 0 0 35px rgba(0,184,102,0.35);
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand h3 {
  letter-spacing: 1px;
}

.brand span {
  font-size: 12px;
  color: var(--gray);
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: #dce8e2;
  text-decoration: none;
  font-size: 15px;
  transition: 0.3s;
}

nav a:hover {
  color: var(--light-green);
}

#langBtn {
  background: var(--white);
  color: var(--deep-green);
  border: none;
  padding: 10px 18px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
}

.hero {
  min-height: 100vh;
  padding: 145px 7% 80px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  background:
    radial-gradient(circle at 80% 10%, rgba(0,184,102,0.45), transparent 32%),
    radial-gradient(circle at 20% 25%, rgba(0,122,61,0.35), transparent 30%),
    linear-gradient(135deg, #03130f, #06251b 45%, #007a3d);
}

.tag {
  color: var(--light-green);
  margin-bottom: 18px;
  font-weight: bold;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.1;
  margin-bottom: 22px;
}

.desc {
  color: #d6e2dc;
  font-size: 18px;
  line-height: 1.9;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-top: 35px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 40px;
  display: inline-block;
  transition: 0.3s;
  font-weight: bold;
}

.primary {
  background: linear-gradient(135deg, var(--green), var(--light-green));
  color: white;
  box-shadow: 0 12px 35px rgba(0,184,102,0.28);
}

.primary:hover {
  transform: translateY(-4px);
}

.ghost {
  color: white;
  border: 1px solid rgba(255,255,255,0.25);
}

.ghost:hover {
  background: white;
  color: var(--deep-green);
}

.hero-card {
  position: relative;
  animation: float 4s ease-in-out infinite;
}

.hero-card img {
  width: 100%;
  border-radius: 30px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.12);
}

.floating-card {
  position: absolute;
  bottom: -25px;
  left: 25px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(15px);
  padding: 18px 24px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
}

.floating-card strong {
  display: block;
  font-size: 26px;
}

.section {
  padding: 100px 7%;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title span,
.why-text span {
  color: var(--light-green);
  font-weight: bold;
}

.section-title h2,
.why-text h2 {
  margin-top: 12px;
  font-size: clamp(28px, 4vw, 48px);
}

.about-grid,
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: 28px;
  filter: contrast(1.08);
}

.about-text p,
.why-text p {
  color: #d0ddd7;
  line-height: 2;
  font-size: 18px;
  margin-bottom: 18px;
}

.dark-section {
  background: var(--dark-green);
}

.cards,
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.info-card,
.service-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  padding: 35px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: 0.35s;
}

.info-card:hover,
.service-card:hover {
  transform: translateY(-12px);
  border-color: rgba(0,184,102,0.65);
  box-shadow: 0 20px 50px rgba(0,184,102,0.15);
}

.info-card h3,
.service-card h3 {
  margin-bottom: 14px;
  color: #fff;
}

.info-card p,
.service-card p {
  color: #cfd8d3;
  line-height: 1.8;
}

.icon {
  font-size: 38px;
  margin-bottom: 20px;
}

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.features div {
  padding: 28px;
  border-radius: 22px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.08);
  font-weight: bold;
  text-align: center;
}

.banner {
  margin: 40px 7%;
  padding: 75px 30px;
  text-align: center;
  border-radius: 35px;
  background:
    linear-gradient(135deg, rgba(0,122,61,0.92), rgba(0,184,102,0.82)),
    url("https://images.unsplash.com/photo-1565608438257-fac3c27beb36?auto=format&fit=crop&w=1200&q=80");
  background-size: cover;
  background-position: center;
  box-shadow: 0 25px 70px rgba(0,184,102,0.22);
}

.banner h2 {
  font-size: clamp(28px, 4vw, 50px);
}

.contact {
  text-align: center;
}

.contact-box {
  max-width: 780px;
  margin: auto;
  background: rgba(255,255,255,0.06);
  padding: 60px 30px;
  border-radius: 35px;
  border: 1px solid rgba(255,255,255,0.08);
}

.contact-box p {
  color: #cfd8d3;
  margin: 18px 0 30px;
  line-height: 1.8;
}

footer {
  padding: 30px;
  text-align: center;
  color: #9db0a7;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0); 
  }
  50% { 
    transform: translateY(-18px); 
  }
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .hero,
  .about-grid,
  .why-grid,
  .cards,
  .services {
    grid-template-columns: 1fr;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 120px;
  }
}