@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;800&display=swap');

:root {
  /* Pastel Palette - COOL EARTHY GREEN */
  --primary-color: #4A6B3C; /* Forest Green for buttons */
  --secondary-color: #A4C38E; /* Sage Green */
  --accent-yellow: #83A66A; /* Mid-Green */
  --accent-blue: #D6E3C6; /* Pastel Green for highlights */
  --dark-color: #2D3E21; /* Dark Green / Charcoal */
  --bg-color: #F8F9F3; /* Pale Cream */
  --text-color: #3C4A33; /* Dark Earthy Text */
  --white: #FFFFFF;
  --light-green-shade: #c0ff93;
  
  /* Glassmorphism Specs - Earthy Tint */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: 1px solid rgba(164, 195, 142, 0.4);
  --glass-blur: blur(16px);
  --glass-shadow: 0 8px 32px 0 rgba(74, 107, 60, 0.06);

  --shadow-sm: 0 4px 6px rgba(74, 107, 60, 0.04);
  --shadow-md: 0 10px 15px rgba(74, 107, 60, 0.07);
  --shadow-lg: 0 20px 25px rgba(74, 107, 60, 0.1);
  --border-radius: 20px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html { scroll-behavior: smooth; }

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Nunito', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: #F8F9F3;
  background-image: 
    radial-gradient(at 0% 0%, rgba(214, 227, 198, 0.4) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(164, 195, 142, 0.25) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(214, 227, 198, 0.35) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(248, 249, 243, 0.5) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4 { color: var(--dark-color); font-weight: 800; margin-bottom: 1rem; }
h1 { font-size: 2.2rem; }
h2 { font-size: 2rem; text-align: center; margin-bottom: 2rem; position: relative; }
h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 5px;
  background-color: var(--accent-yellow);
  margin: 10px auto 0;
  border-radius: 10px;
}
h2.text-left { text-align: left !important; }
h2.text-left::after { margin-left: 0 !important; margin-right: auto !important; }
@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
}

p { margin-bottom: 1rem; font-size: 1.05rem; }
a { text-decoration: none; color: inherit; }

/* Layout Utilities */
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.section { padding: 4rem 0; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
@media (max-width: 768px) {
    .btn { width: 100%; margin-bottom: 10px; }
}
.btn-primary { background-color: var(--primary-color); color: var(--white); }
.btn-primary:hover { background-color: #37532A; transform: translateY(-4px) scale(1.05); box-shadow: 0 12px 20px rgba(74, 107, 60, 0.3); }
.btn-secondary { background-color: var(--secondary-color); color: var(--dark-color); }
.btn-secondary:hover { background-color: #8EAD77; transform: translateY(-4px) scale(1.05); box-shadow: 0 12px 20px rgba(164, 195, 142, 0.4); }

/* Navigation */
.navbar {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 10px 0;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.navbar-brand { display: flex; align-items: center; gap: 10px; }
.navbar-brand img { height: 40px; border-radius: 50%; object-fit: cover; box-shadow: var(--shadow-sm); }
.nav-links { display: flex; list-style: none; gap: 10px; }
.nav-links li a { font-weight: 600; font-size: 0.95rem; color: var(--dark-color); padding: 8px 12px; border-radius: 20px; transition: var(--transition); }
.nav-links li a:hover, .nav-links li a.active { background-color: var(--secondary-color); color: var(--white); }

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--dark-color); padding: 5px; }

/* Hero Section */
.hero {
  min-height: 80vh;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  padding: 4rem 0;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(rgba(7, 59, 76, 0.7), rgba(17, 138, 178, 0.5));
}
.hero-content { position: relative; z-index: 10; max-width: 600px; color: var(--white); text-align: center; margin: 0 auto; }
@media (min-width: 768px) {
    .hero-content { text-align: left; margin: 0; }
}
.hero-content h1 { color: var(--white); text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
.hero-content p { font-size: 1.1rem; margin-bottom: 2rem; text-shadow: 1px 1px 2px rgba(0,0,0,0.3); }
.hero-buttons { display: flex; flex-direction: column; gap: 10px; }
@media (min-width: 768px) {
    .hero-buttons { flex-direction: row; gap: 15px; }
}

/* Cards */
.grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 600px) {
    .grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
}
.card { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: var(--glass-border); }
.card:hover { transform: translateY(-8px) scale(1.02); box-shadow: 0 15px 35px rgba(74, 107, 60, 0.15); border-color: rgba(164, 195, 142, 0.7); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.teacher-card .card-img { height: 400px; }
.card-content { padding: 20px; text-align: center; }

/* Tables (Fee Structure) */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--border-radius); box-shadow: var(--shadow-sm); }
.styled-table { width: 100%; border-collapse: collapse; background-color: var(--white); text-align: left; }
.styled-table thead tr { background-color: var(--secondary-color); color: var(--white); text-align: left; }
.styled-table th, .styled-table td { padding: 15px; }
.styled-table tbody tr { border-bottom: 1px solid #dddddd; }
.styled-table tbody tr:nth-of-type(even) { background-color: #f3f4f6; }
.styled-table tbody tr:last-of-type { border-bottom: 2px solid var(--secondary-color); }
.styled-table tbody tr:hover { font-weight: bold; color: var(--primary-color); }

.notice-list { display: flex; flex-direction: column; gap: 15px; }
.notice-item { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); padding: 20px; border-radius: 15px; border-left: 5px solid var(--primary-color); border: var(--glass-border); border-left: 5px solid var(--primary-color); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 10px; transition: var(--transition); }
.notice-item:hover { transform: translateY(-5px); box-shadow: 0 15px 25px rgba(74, 107, 60, 0.15); }
.notice-date { font-weight: bold; color: var(--primary-color); font-size: 0.9rem; }
.notice-title { font-size: 1.2rem; font-weight: 800; color: var(--dark-color); }

/* Contact Form */
.contact-container { display: grid; grid-template-columns: 1fr; gap: 40px; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); padding: 20px; border-radius: var(--border-radius); box-shadow: var(--shadow-md); }
@media (min-width: 768px) {
    .contact-container { grid-template-columns: 1fr 1fr; gap: 50px; padding: 40px; }
}
.form-group { margin-bottom: 20px; }
.form-control { width: 100%; padding: 15px 18px; border: 2px solid #E9ECEF; border-radius: 12px; font-family: 'Nunito', sans-serif; font-size: 1.1rem; transition: var(--transition); background-color: #F8F9FA;}
.form-control:focus { outline: none; border-color: var(--secondary-color); background-color: var(--white); box-shadow: 0 0 0 4px rgba(78,205,196,0.1); }
.contact-info { padding-top: 15px; border-top: 2px dashed #E9ECEF; margin-top: 15px; display: flex; flex-direction: column; justify-content: center; }
@media (min-width: 768px) {
    .contact-info { border-top: none; padding-top: 0; border-left: 2px dashed #E9ECEF; padding-left: 40px; margin-top: 0; }
}

/* Footer */
footer { background-color: var(--dark-color); color: var(--white); padding: 3rem 0 1rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 30px; margin-bottom: 2rem; text-align: center; }
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); text-align: left; }
}
.footer-col h3 { color: var(--secondary-color); margin-bottom: 1.5rem; }
.footer-col p, .footer-col a { color: rgba(255,255,255, 0.85); line-height: 1.8; }
.footer-col a:hover { color: var(--secondary-color); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-bottom { text-align: center; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255, 0.6); font-size: 0.85rem; }

/* Responsive adjustments */
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }
}
.gallery-item { border-radius: 10px; overflow: hidden; height: 150px; }
@media (min-width: 768px) {
    .gallery-item { height: 250px; }
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* Hamburger Menu Mobile */
@media (max-width: 850px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; width: 100%; background: var(--white);
    flex-direction: column; padding: 20px; box-shadow: var(--shadow-md); gap: 10px;
    clip-path: circle(0% at 100% 0%); transition: all 0.4s ease-out;
  }
  .nav-links.active { clip-path: circle(150% at 100% 0%); }
  .nav-links li { text-align: center; }
  .nav-links li a { display: block; padding: 12px; font-size: 1.1rem; }
}


/* Social Icons Responsive */
.social-icons { margin-top: 20px; display: flex; gap: 15px; justify-content: center; }
@media (min-width: 768px) { .social-icons { justify-content: flex-start; } }
.social-icons a { font-size: 1.5rem; transition: var(--transition); display: inline-block; padding: 10px; }
.social-icons a:hover { color: var(--primary-color); transform: translateY(-3px); }


/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 0px 4px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    color: #FFF;
    background-color: #1ebe57;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0px 6px 20px rgba(0,0,0,0.4);
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Admin Modal Styles */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  padding: 30px;
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 400px;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.close-modal {
  position: absolute;
  top: 15px; right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-color);
}
.close-modal:hover { color: var(--primary-color); }
.btn-sm { padding: 8px 15px; font-size: 0.9rem; }

/* Pinned Notice Style */
.notice-item.pinned {
    border-left-color: var(--accent-yellow);
    background-color: #fffdf5;
}

/* Principal Card Responsive Classes */
.principal-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 30px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}
@media (min-width: 768px) {
    .principal-card { padding: 40px; gap: 40px; }
}
.principal-img {
    flex: 1 1 250px;
}
.principal-text {
    flex: 2 1 350px;
}