:root {
    /* Light Mode Variables */
    --bg-color: #f4f7f6;
    --bg-pattern: radial-gradient(#d5d5d5 1px, transparent 1px);
    --text-color: #333333;
    --container-bg: #ffffff;
    --heading-color: #2c3e50;
    --subtitle-bg: #e0e0e0;
    --subtitle-text: #555555;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --accent-color: #e74c3c;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-color: #121212;
    --bg-pattern: radial-gradient(#2a2a2a 1px, transparent 1px);
    --text-color: #e0e0e0;
    --container-bg: #1e1e1e;
    --heading-color: #ff7675;
    --subtitle-bg: #333333;
    --subtitle-text: #bbbbbb;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    --accent-color: #ff7675;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image: var(--bg-pattern);
    background-size: 20px 20px;
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    transition: var(--transition);
}

.top-bar {
    display: flex;
    justify-content: space-between; /* Updated to space out button and toggle */
    align-items: center; /* Added to keep items vertically centered */
    padding: 15px 30px;
    background-color: var(--container-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

/* New Home Button Styles */
.home-btn {
    display: inline-block;
    text-decoration: none;
    background-color: var(--accent-color);
    color: #ffffff;
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.95em;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.home-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.hero-image {
    width: 100%;
    height: 600px;
    object-fit: cover;
    display: block;
}

.content-wrapper {
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--subtitle-bg);
    padding-bottom: 20px;
}

.subtitle {
    display: inline-block;
    background-color: var(--subtitle-bg);
    color: var(--subtitle-text);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: bold;
    margin-bottom: 15px;
    letter-spacing: 1px;
    transition: var(--transition);
}

h1 {
    color: var(--heading-color);
    font-size: 2.2em;
    transition: var(--transition);
}

.content p {
    margin-bottom: 20px;
    text-align: justify;
    font-size: 1.1em;
}

.content p:first-of-type::first-letter {
    font-size: 2em;
    font-weight: bold;
    color: var(--accent-color);
    float: left;
    margin-right: 8px;
    line-height: 1;
}

/* New Bottom Navigation Styles */
.bottom-nav {
    text-align: center;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 2px solid var(--subtitle-bg);
    transition: var(--transition);
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

#theme-text {
    margin-right: 15px;
    font-weight: bold;
    font-size: 0.95em;
}

.theme-switch {
    display: inline-block;
    height: 26px;
    position: relative;
    width: 50px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 3px;
    content: "";
    height: 20px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 20px;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

@media (max-width: 600px) {
    .container {
        margin: 20px 15px;
    }
    .content-wrapper {
        padding: 25px;
    }
    h1 {
        font-size: 1.6em;
    }
    .hero-image {
        height: 200px;
    }
    .top-bar {
        padding: 15px;
    }
}