/* style.css */
:root {
    --bg-light-blue: #f8fbff;
    --light-blue-ui: #eef6ff;
    --neon-pink: #ff007f;
    --dark-blue-text: #1e3a8a;
    --accent-blue: #bae6fd;
    --card-bg: #ffffff;
}

[data-theme="dark"] {
    --bg-light-blue: #0f172a;
    --light-blue-ui: #1e293b;
    --dark-blue-text: #f1f5f9;
    --accent-blue: #334155;
    --card-bg: #1e293b;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light-blue);
    color: var(--dark-blue-text);
    line-height: 1.8;
    transition: background-color 0.3s, color 0.3s;
}

/* Header & Nav */
header {
    background-color: var(--light-blue-ui);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--neon-pink);
    z-index: 9999; /* Ensure header is always on top of video */
}

.logo { font-weight: 800; font-size: 1.5rem; color: var(--dark-blue-text); text-transform: uppercase; letter-spacing: 2px; }
.logo span { color: var(--neon-pink); }

nav ul { display: flex; list-style: none; align-items: center; }
nav ul li { margin-left: 20px; }
nav ul li a { text-decoration: none; color: var(--dark-blue-text); font-weight: 600; transition: 0.3s; }
nav ul li a:hover { color: var(--neon-pink); }

#theme-toggle {
    background: var(--dark-blue-text);
    color: var(--light-blue-ui);
    border: none;
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 20px;
}

/* Section Hero */
.section-header-hero {
    height: 650px;
    /* Replace 'about-hero.jpg' with your actual filename */
    background: linear-gradient(rgba(248, 251, 255, 0.8), rgba(248, 251, 255, 0.8)), 
                url('about-hero.jpg') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-bottom: 4px solid var(--neon-pink);
}

.section-header-hero h2 {
    font-size: 4.5rem;
    color: var(--dark-blue-text) !important;
    text-transform: uppercase;
    letter-spacing: 3px;
    /* A subtle glow to pop against the image */
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    border-left: 15px solid var(--neon-pink);
    padding-left: 30px;
}

/* Force specific dark blue for all headlines */
.section-header-hero h2 {
    font-size: 4rem;
    color: var(--dark-blue-text) !important; 
    text-transform: uppercase;
    border-left: 12px solid var(--neon-pink);
    padding-left: 25px;
}

/* Index Navigation Cards */
.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 80px 10%;
    background-color: var(--bg-light-blue);
}

.nav-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 8px;
    border-bottom: 4px solid var(--neon-pink);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, background-color 0.3s;
    text-decoration: none;
    color: var(--dark-blue-text);
}

.nav-card:hover { transform: translateY(-10px); }
.nav-card h3 { color: var(--neon-pink); margin-bottom: 1rem; font-size: 1.5rem; }

/* Content Wrap */
.content-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

p { margin-bottom: 1.8rem; font-size: 1.15rem; text-align: justify; }

.in-text-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 40px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}


.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 10001;
}

.menu-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--dark-blue-text);
    transition: 0.3s;
}

/* MOBILE VIEWPORT REFINEMENT */
@media (max-width: 1100px) {
    .menu-toggle {
        display: flex;
    }

    /* The Navigation List - Refined for Index Page */
    nav ul {
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 100%; /* Sits exactly below the header */
        left: 0;
        width: 100%;
        background-color: var(--light-blue-ui);
        padding: 40px 0;
        border-bottom: 4px solid var(--neon-pink);
        z-index: 10000;
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }

    nav ul.active {
        display: flex; /* Triggered by JS */
    }

    nav ul li {
        margin: 15px 0;
        width: 100%;
        text-align: center;
    }

    /* Fix for Index Statistics on Mobile */
    section[style*="justify-content: space-around"] {
        flex-direction: column;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 2.8rem !important;
    }
}

footer { background: var(--dark-blue-text); color: white; padding: 4rem 10%; text-align: center; margin-top: 60px; }