/* ======== Brand & Font Setup ======== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700;900&display=swap');
:root {
    --primary-purple: #5A2C8A;
    --accent-magenta: #E63983;
    --cta-yellow: #FFC72C;
    --dark-bg: #1a1a1a;
    --light-bg: #FFFFFF;
    --text-light: #FFFFFF;
    --text-dark: #333333;
    --font-family: 'Poppins', sans-serif;
}

/* ======== General Styles ======== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background-color: var(--light-bg); color: var(--text-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.content-section { padding: 100px 0; }
.dark-bg { background-color: var(--dark-bg); color: var(--text-light); }
h2 { font-size: 2.8rem; text-align: center; margin-bottom: 60px; }
.dark-bg h2 { color: var(--light-bg); }

/* ======== Header & Navigation ======== */
header { position: fixed; width: 100%; top: 0; left: 0; padding: 15px 5%; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid #eee; }
nav { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
nav .logo img { height: 50px; }
nav .nav-links { list-style: none; display: flex; align-items: center; }
nav .nav-links li { margin-left: 40px; }
nav .nav-links li a { text-decoration: none; color: var(--text-dark); font-weight: 700; transition: color 0.3s ease; }
nav .nav-links li a:hover { color: var(--primary-purple); }
.nav-button { display: inline-block; padding: 10px 25px; background-color: var(--cta-yellow); color: var(--text-dark); text-decoration: none; font-weight: 700; border-radius: 50px; transition: transform 0.3s ease; }
.nav-button:hover { transform: scale(1.05); }

/* Hide mobile-specific elements on desktop */
.hamburger { display: none; cursor: pointer; }
.nav-links .mobile-nav-button { display: none; }

.hamburger div { width: 25px; height: 3px; background-color: var(--text-dark); margin: 5px; transition: all 0.3s ease; }

/* ======== Hero Section ======== */
.hero { height: 100vh; display: flex; justify-content: center; align-items: center; text-align: center; position: relative; overflow: hidden; color: var(--text-light); }
.hero-video { position: absolute; top: 50%; left: 50%; min-width: 100%; min-height: 100%; transform: translateX(-50%) translateY(-50%); z-index: -1; filter: brightness(0.4); object-fit: cover; }
.hero-content .tagline { margin: 0; font-size: 1rem; }
.hero-content h1 { font-size: 5rem; font-weight: 900; color: var(--light-bg); margin: 10px 0; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }
#countdown { font-size: 3rem; font-weight: 700; margin-bottom: 20px; color: var(--cta-yellow); }
.hero-details p span { display: inline-block; background: var(--primary-purple); padding: 5px 15px; font-weight: 700; border-radius: 5px; margin: 5px; }

/* ======== About & Contact Sections ======== */
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2, .contact-details h3 { text-align: left; }
.about-image img { max-width: 100%; border-radius: 10px; }
.map-container, .form-container { border-radius: 10px; overflow: hidden; }
.contact-details p { margin-bottom: 15px; }

/* ======== Highlights Section ======== */
.highlights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; text-align: center; }
.highlight-item { background: #2a2a2a; padding: 30px 20px; border-radius: 10px; border: 1px solid #444; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.highlight-item:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2); }
.highlight-item h3 { color: var(--accent-magenta); font-size: 1.2rem; margin: 0; }

/* ======== Gallery Section ======== */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; }
.gallery-grid img { width: 100%; height: 250px; object-fit: cover; border-radius: 5px; }

/* ======== Registration & Footer ======== */
#register p { max-width: 600px; margin: 0 auto 40px auto; text-align: center; }
footer { background: var(--primary-purple); color: var(--text-light); text-align: center; padding: 30px 5%; font-size: 0.9rem; }
footer p { margin: 5px 0; }

/* ======== Responsive Adjustments for Mobile ======== */
@media (max-width: 768px) {
    .content-section { padding: 60px 0; }
    h2 { font-size: 2.2rem; }
    
    /* --- Mobile Navigation Menu --- */
    .nav-links { position: fixed; right: -100%; top: 80px; /* Aligned with header height */ background: white; height: auto; width: 100%; flex-direction: column; align-items: center; transition: all 0.5s ease-in-out; box-shadow: 0 10px 20px rgba(0,0,0,0.1); padding-bottom: 25px; padding-top: 10px; }
    .nav-links li { margin: 15px 0; }
    .nav-links.nav-active { right: 0; }
    
    /* --- Hamburger Icon --- */
    .hamburger { display: block; }
    .toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .toggle .line2 { opacity: 0; }
    .toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }

    /* --- Show/Hide Register Buttons --- */
    .nav-button.desktop-only { display: none; }
    .nav-links .mobile-nav-button {
        display: block; /* Show this button only on mobile */
        padding: 12px 30px;
        background-color: var(--cta-yellow);
        color: var(--text-dark);
        text-decoration: none;
        font-weight: 700;
        border-radius: 50px;
        transition: transform 0.3s ease;
        text-align: center;
        margin-top: 15px; /* Add some space above it */
    }
    .nav-links .mobile-nav-button:hover { transform: scale(1.05); }

    /* --- General Layout and Font Stacking --- */
    .two-column, .highlights-grid { grid-template-columns: 1fr; } 
    .about-image { margin-top: 30px; }
    .hero-content h1 { font-size: 2.8rem; }
    #countdown { font-size: 1.8rem; }
    .hero-details p span { font-size: 0.9rem; }
}