:root {
    /* Light Mode Variables */
    --bg-gradient-start: #fef6e4;
    --bg-gradient-end: #ffd6a5;
    --text-color: #172c66;
    --accent-color: #ff6b00;
    --nav-bg: #ffffff;
    --nav-hover: #ffd6a5;
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --card-shadow-hover: rgba(0, 0, 0, 0.15);
    --header-bg: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
body.dark-mode {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --text-color: #eaeaea;
    --accent-color: #ff8c42;
    --nav-bg: #0f3460;
    --nav-hover: #e94560;
    --card-bg: #1a1a2e;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --card-shadow-hover: rgba(0, 0, 0, 0.5);
    --header-bg: rgba(0, 0, 0, 0.2);
}

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

html {
    min-height: 100%;
    /* Background is handled in body for better transition control */
}

body {
    background-image: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    background-size: 400% 400%; /* For potential animation */
    color: var(--text-color);
    font-family: 'Comic Neue', cursive;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    font-size: 1.2rem; /* Increased base font size instead of scale transform */
    transition: background-image 0.5s ease, color 0.3s ease;
}

.container {
    max-width: 1000px; /* Increased width */
    width: 100%;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 4rem); /* Ensure footer stays at bottom if content is short */
}

/* Header */
.header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    border-radius: var(--border-radius);
    background: var(--header-bg);
    backdrop-filter: blur(10px);
}

.logo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    transition: var(--transition);
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.logo:hover {
    transform: scale(1.05);
}

.title {
    font-size: 3.5rem;
    font-family: 'Fredoka', cursive;
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -1px;
}

/* Navigation */
nav {
    margin: 2rem 0;
    padding: 1rem 0;
    position: relative;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    background-color: var(--nav-bg);
    box-shadow: 0 4px 8px var(--card-shadow);
    transition: var(--transition);
    font-size: 1.1rem;
    font-weight: 700;
}

nav a:hover, nav a.active {
    background-color: var(--nav-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--card-shadow-hover);
    color: var(--text-color); /* Ensure contrast */
}
/* Specific fix for dark mode active state text color if needed */
body.dark-mode nav a:hover, body.dark-mode nav a.active {
    color: #ffffff;
}

/* Burger Menu */
.burger-menu {
    display: none;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    margin: 0 auto;
    transition: var(--transition);
}

.burger-menu:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Common Section Styles */
.welcome-section,
.project-section,
.about-section,
.contact-section,
.tools-section {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 16px var(--card-shadow);
    margin-top: 2rem;
    transition: var(--transition);
    flex: 1; /* Push footer down */
}

.welcome-section:hover,
.project-section:hover,
.about-section:hover,
.contact-section:hover,
.tools-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px var(--card-shadow-hover);
}

h2, h3 {
    color: var(--accent-color);
    font-family: 'Fredoka', cursive;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Welcome Specific */
.welcome-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.welcome-text {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Project Specific */
.project-content {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.project-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    border-radius: var(--border-radius);
    flex-shrink: 0;
    transition: var(--transition);
}

.project-image:hover {
    transform: scale(1.05);
}

.project-text {
    flex: 1;
}

.project-details {
    background-color: var(--bg-gradient-start); /* Use gradient start as slight contrast */
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    transition: var(--transition);
}
body.dark-mode .project-details {
    background-color: rgba(255,255,255, 0.05);
}

.project-details:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--card-shadow);
}

.project-details ul, .interests-list, .tool-features {
    list-style: none;
    margin-left: 1rem;
}

.project-details li, .interests-list li, .tool-features li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.8rem;
    font-size: 1.1rem;
}

.project-details li::before, .interests-list li::before, .tool-features li::before {
    content: "🦊";
    position: absolute;
    left: 0;
}

.project-link, .tool-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    background-color: rgba(255, 107, 0, 0.1);
}

.project-link:hover, .tool-link:hover {
    color: var(--text-color);
    background-color: var(--nav-hover);
    transform: translateY(-2px);
}

/* About Specific */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.license-badge {
    display: inline-block;
    padding: 0.8rem 1.2rem;
    background-color: var(--bg-gradient-start);
    border-radius: var(--border-radius);
    margin-top: 1rem;
    font-family: monospace;
    transition: var(--transition);
}
body.dark-mode .license-badge {
    background-color: rgba(255,255,255, 0.1);
}

.license-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--card-shadow);
}

/* Contact Specific */
.contact-info {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--bg-gradient-start);
    border-radius: var(--border-radius);
    transition: var(--transition);
}
body.dark-mode .contact-info {
    background-color: rgba(255,255,255, 0.05);
}

.contact-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--card-shadow);
}

.contact-email {
    font-family: monospace;
    font-size: 1.2rem;
    color: var(--accent-color);
    padding: 0.8rem 1.2rem;
    background-color: rgba(255, 107, 0, 0.1);
    border-radius: var(--border-radius);
    display: inline-block;
    transition: var(--transition);
}

.contact-email:hover {
    background-color: rgba(255, 107, 0, 0.2);
    transform: translateY(-2px);
}

/* Tools Specific */
.tool-card {
    background-color: var(--bg-gradient-start);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    transition: var(--transition);
}
body.dark-mode .tool-card {
    background-color: rgba(255,255,255, 0.05);
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--card-shadow);
}

.tool-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

/* Footer */
.footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
    border-top: 1px solid rgba(0,0,0,0.05);
}
body.dark-mode .footer {
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
}

.footer a:hover {
    text-decoration: underline;
}

/* Dark Mode Toggle Button */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--nav-bg);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 8px var(--card-shadow);
    transition: var(--transition);
    z-index: 1000;
    color: var(--text-color);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background-color: var(--nav-hover);
}

/* Media Queries */
@media (max-width: 768px) {
    body {
        padding: 1rem;
        font-size: 1rem;
    }

    .header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .title {
        font-size: 2.5rem;
    }

    .burger-menu {
        display: block;
    }

    nav ul {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
        margin-top: 1rem;
    }

    nav ul.active {
        display: flex; /* Show when active */
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .project-content, .tool-card > div:first-child {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .project-image, .tool-image {
        width: 150px;
        height: 150px;
        margin-bottom: 1rem;
    }
    
    .theme-toggle {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}