:root {
  --green-dark: #145a32;
  --green-primary: #1e7b47;
  --orange: #ff8c32;
  --text-dark: #1c1c1c;
  --text-light: #555;
  --card-bg: #ffffff;
  --shadow: 0 8px 25px rgba(0,0,0,0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background: #f7f7f7;
  color: var(--text-dark);
  overflow-x: hidden;
}

/* === PARALLAX BG === */
.parallax-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  z-index: -2;
  transform: translateZ(-1px) scale(1.4);
  filter: brightness(0.45) blur(1.5px);
}

/* === NAVBAR === */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: rgba(20, 90, 50, 0.75);
  backdrop-filter: blur(8px);
  color: white;
  z-index: 1000;
  transition: padding 0.3s ease, background 0.3s ease;
}
nav.shrink {
  padding: 10px 40px;
  background: rgba(20, 90, 50, 0.92);
}

.logo { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.4px; color:white; }

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color:white;
  text-decoration:none;
  font-weight:500;
  position:relative;
}
.nav-links a::after {
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0%;
  height:2px;
  background:var(--orange);
  transition:width .3s;
}
.nav-links a:hover::after { width:100%; }

/* HAMBURGER */
.hamburger {
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
}
.hamburger span {
  width:28px;
  height:3px;
  background:white;
  border-radius:4px;
  transition:0.4s;
}
.hamburger.active span:nth-child(1){ transform: translateY(8px) rotate(45deg);} 
.hamburger.active span:nth-child(2){ opacity:0;} 
.hamburger.active span:nth-child(3){ transform: translateY(-8px) rotate(-45deg);} 

@media(max-width:768px){
  .hamburger { display:flex !important; }
  .nav-links {
    position:fixed;
    top:65px;
    right:-100%;
    width:60%;
    height:100vh;
    padding-top:40px;
    background:rgba(20,90,50,0.95);
    backdrop-filter:blur(10px);
    flex-direction:column;
    align-items:center;
    gap:25px;
    transition:0.4s ease;
  }
  .nav-links.show { right:0; }
}

/* HERO */
.hero {
  height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  color:white;
  padding:20px;
  position:relative;
}
.hero h1 {
  font-size:3.5rem;
  font-weight:700;
  animation: fadeSlide 1s ease forwards;
  opacity:0;
}
.hero h2 {
  margin-top:8px;
  font-size:1.6rem;
  color:var(--orange);
  animation: fadeSlide 1.4s ease forwards;
  opacity:0;
}
.hero p {
  max-width:600px;
  margin-top:15px;
  font-size:1.05rem;
  color:#f1f1f1;
  animation: fadeSlide 1.8s ease forwards;
  opacity:0;
}
@keyframes fadeSlide {
  from {opacity:0; transform:translateY(25px);} 
  to {opacity:1; transform:translateY(0);} 
}

/* SECTION */
.section {
  max-width:1000px;
  margin:auto;
  padding:70px 20px;
}
.section h2 {
  text-align:center;
  font-size:2.2rem;
  color:var(--green-primary);
  margin-bottom:40px;
}

/* CARDS */
.card-list {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap:25px;
}

.card {
  background:white;
  padding:25px;
  border-radius:16px;
  border-left:5px solid var(--orange);
  box-shadow:var(--shadow);
  transform:translateY(20px);
  opacity:0;
  transition: all .6s ease;
}
.card.show { opacity:1; transform:translateY(0); }
.card:hover {
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 12px 30px rgba(0,0,0,0.15);
}

/* EXTRA EFFECT */
.card { 
  transition: transform 0.2s ease, box-shadow 0.3s ease; 
  transform-style: preserve-3d; 
}
.card:hover { 
  transform: rotateY(8deg) rotateX(8deg); 
  box-shadow: 0 15px 35px rgba(0,255,150,0.25); 
}

.neon { 
  box-shadow: 0 0 12px rgba(0,255,150,0.8), 0 0 22px rgba(255,140,0,0.7); 
}

footer { text-align:center; padding:40px; color:#777; }