* { margin: 0; padding: 0; box-sizing: border-box; }
/* === HEADER UNIFORM DESIGN (Sticky Version) === */
.main-header {
  position: fixed;                  /* 🧲 stays visible on scroll */
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #046a08;              /* consistent green */
  padding: 10px 50px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  color: white;
  z-index: 1000;                    /* keeps it above content */
}

/* === BODY OFFSET to prevent content hiding under header === */
body {
  padding-top: 90px;                /* adjust based on header height */
  margin: 0;
  font-family: 'Poppins', sans-serif;
}

/* === LEFT SIDE (Logo + Text) === */
.header-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.ptc-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  background-color: white;           /* bright base behind logo */
  padding: 5px;
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

.header-text h1 {
  font-size: 18px;
  margin: 0;
  color: #fff;
}

.header-text p {
  font-size: 13px;
  font-style: italic;
  color: #e0e0e0;
  margin: 0;
}

/* === NAVIGATION === */
.main-header nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
}

.main-header nav ul li a {
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: #f5f5f5;
  text-decoration: none;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 5px;
  transition: color 0.3s ease;
}

/* Hover underline animation */
.main-header nav ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: #ffeb3b;
  transition: width 0.3s ease;
}

.main-header nav ul li a:hover::after {
  width: 100%;
}

.main-header nav ul li a:hover {
  color: #ffeb3b;
}


/* HERO */
.hero {
    position: relative;
    height: 100vh; /* full screen */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    z-index: 1;
    background: url('../images/ptc.jpg') no-repeat center center fixed;
    background-size: cover; /* make it fill the screen */
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5); /* optional dark overlay so text is visible */
    z-index: -1;
}

.hero-content h1 {
    font-size: 3rem; /* make it bigger */
    font-weight: 800;
    color: #fff;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7); /* add shadow for readability */
    margin-bottom: 20px;
}

.hero-content .btn {
    display: inline-block;
    padding: 12px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    background: rgba(0, 128, 0, 0.85); /* green background with transparency */
    border: 2px solid #fff;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.hero-content .btn:hover {
    background: #034406;
    color: #ffeb3b; /* change text color on hover */
    border: #ffeb3b;
}


/* Mission */
.mission {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 60px 80px;
    background: #fff;
    gap: 30px;
}

.mission-text {
    width: 50%;
}

.mission-text h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #05880a;
}

.mission-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
}

.mission-img img {
    width: 100%;
    max-width: 400px;  /* limit image size */
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
    object-fit: cover;
}

/* Stats */
.stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 50px 0;
  flex-wrap: wrap; /* responsive on smaller screens */
}

.stats .stat {
  text-align: center;
  padding: 20px;
  border: 2px solid #4CAF50;   /* Green border */
  border-radius: 12px;         /* Rounded corners */
  background: #fff;            /* White background */
  transition: all 0.3s ease;
  width: 150px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.stats .stat h2 {
  font-size: 32px;
  margin: 0;
  color: #2e7d32;  /* Dark green */
}

.stats .stat p {
  margin: 5px 0 0;
  font-size: 16px;
  color: #333;
}

/* Hover effect */
.stats .stat:hover {
  transform: translateY(-5px);
  background: #05880a;
  color: #fff;
  border-color: #388E3C;
  
}

.stats .stat:hover h2,
.stats .stat:hover p {
  color: #ffeb3b;
}

/* Footer */
footer { background: #222; color: #ddd; padding: 40px; }
.footer-content { display: flex; justify-content: space-between; margin-bottom: 20px; }
.footer-content div { width: 22%; }
.footer-content h4 { margin-bottom: 10px; color: #fff; }
.footer-content ul { list-style: none; }
.footer-content ul li { margin-bottom: 5px; }
.footer-content ul li a {
    color: #bbb; text-decoration: none; transition: 0.3s;
}
.footer-content ul li a:hover { color: #fff; }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid #444; padding-top: 15px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border: 2px solid #fff;   /* white border */
  border-radius: 50%;       /* makes it round */
  color: #fff;              /* icon color */
  font-size: 20px;
  transition: all 0.3s ease;
  text-decoration: none;
}

/* Hover effect */
.social-icons a:hover {
  background-color: #05880a;   /* main green */
  border-color: #05880a;       /* border matches background */
  color: #ffeb3b;                 /* keep icon white */
  transform: scale(1.1);       /* enlarge slightly */
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Active (when clicked) */
.social-icons a:active {
  transform: scale(0.95);       /* shrink slightly when clicked */
  background-color: #046b08;    /* slightly darker green for click effect */
}