:root {
    /* Light mode colors */
    --primary: #3e4c5f;       /* Slightly darker primary color */
    --secondary: #62748c;     /* Slightly darker secondary color */
    --accent: #74a7d6;        /* Slightly desaturated accent color */
    --bg-main: #f2f3f5;       /* Even lighter gray background */
    --text-main: #434a54;       /* Darker main text color */
    --text-light: #79838f;       /* Darker light text color */
    --card-bg: #e9ebed;       /* Lighter card background */
    --form-border: #d1d5db;   /* Slightly darker form border */
    --header-bg: rgba(245, 246, 247, 0.45); /* Slightly darker, more transparent header */
    --link-blue: #4a86b8;      /* Desaturated link blue */
    --button-blue: #5c96c9;     /* Desaturated button blue */
    --toggle-icon-color: #79838f;  /* Darker toggle icon color */
}

/* Dark mode colors */
[data-theme="dark"] {
    --primary: #90cdf4;
    --secondary: #63b3ed;
    --accent: #4299e1;
    --bg-main: #1a202c;
    --text-main: #f7fafc;
    --text-light: #e2e8f0;
    --card-bg: #2d3748;
    --form-border: #4a5568;
    --header-bg: rgba(45, 55, 72, 0.45); /* Increased transparency */
    --link-blue: #90cdf4;
    --button-blue: #63b3ed;
    --toggle-icon-color: #e2e8f0;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--toggle-icon-color);
    font-size: 1.2rem;
    margin-left: 2rem;
    transition: color 0.3s ease;
}

.theme-toggle:hover {
    color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-main);
    transition: background-color 0.3s ease, color 0.3s ease;
    scroll-behavior: smooth;
    padding-top: 60px;
}

header {
    background-color: var(--header-bg);
    color: var(--link-blue);
    padding: 1rem 0;
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    width: 95%;
    backdrop-filter: blur(5px);
    border-radius: 25px;
    max-width: 1140px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header.hidden {
    transform: translateY(-100%)
}

header .nav {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none
}

.nav-links a {
    color: var(--link-blue);
    text-decoration: none;
    transition: .3s ease;
    cursor: pointer
}

.nav-links a:hover {
    color: var(--accent)
}

.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-main) 100%);
}

.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem
}

.hero-content {
    flex: 1
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light)
}

.featured-project {
    flex: 1;
    padding: 2rem;
    margin: 0;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 3px solid var(--accent);
}

.featured-project:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.featured-project h3 {
    color: var(--primary)
}

.tech-stack {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap
}

.tech-badge {
    background: var(--primary);
    color: var(--bg-main);
    padding: .5rem 1rem;
    border-radius: 20px;
    font-size: .9rem
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem
}

.project-links a {
    text-decoration: none;
    color: var(--link-blue);
    border: 2px solid var(--link-blue);
    padding: .5rem 1rem;
    border-radius: 4px;
    transition: .3s ease
}

.project-links a:hover {
    background: var(--link-blue);
    color: var(--bg-main)
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0
}

.project-category {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: .3s ease;
    cursor: pointer;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1)
}

.project-category h3 {
    color: var(--primary);
    margin-bottom: 1rem
}

.project-category i {
    font-size: 2.5rem;
    color: var(--link-blue);
    margin-bottom: 1rem
}

.project-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, .1);
    transition: .3s ease
}

.project-card:hover {
    transform: translateY(-5px)
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover
}

.project-card-content {
    padding: 1.5rem
}

.contact-form {
    max-width: 600px;
    margin: 2rem auto
}

.form-group {
    margin-bottom: 1rem
}

.form-group label {
    display: block;
    margin-bottom: .5rem;
    color: var(--text-light)
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: .75rem;
    border: 1px solid var(--form-border);
    border-radius: 4px;
    background: var(--bg-main);
    color: var(--text-main);
}

.form-group textarea {
    height: 150px
}

.btn {
    background: var(--button-blue);
    color: var(--bg-main);
    padding: .75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: .3s ease
}

.btn:hover {
    background: var(--accent)
}

.social-links {
    display: flex;
    gap: 1rem;
    margin: 2rem 0
}

.social-links a {
    color: var(--link-blue);
    font-size: 1.5rem;
    transition: .3s ease
}

.social-links a:hover {
    color: var(--accent)
}

.about-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 0;
    gap: 4rem
}

.about-content {
    flex: 1
}

.profile-image-container {
    flex: 0 0 300px;
    height: 400px;
    position: relative;
    overflow: hidden;
    border-radius: 150px/200px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1)
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover
}

@media (max-width: 768px) {
    .nav-links {
        display: flex;
        gap: 1rem;
        position: static;
        background: none;
        height: auto;
        padding: 0;
        transform: none;
    }
    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-text {
        display: none
    }

    .hero h1 {
        font-size: 2rem
    }

    .hero p {
        font-size: 1rem
    }

    .hero-section {
        flex-direction: column
    }

    .featured-project {
        margin-top: 2rem
    }

    .about-section {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem
    }

    .profile-image-container {
        flex: 0 0 250px;
        height: 350px;
        margin: 0 auto
    }

    .projects-grid {
        grid-template-columns: 1fr
    }

    .main-content.shifted {
        margin-left: 0;
    }
}

/* Styles specific to the web_dev page */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--link-blue); /* Updated to link-blue */
    text-decoration: none;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.back-button:hover {
    color: var(--accent);
}

.projects-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.project-item {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: 0.3s ease;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.project-status {
    color: var(--bg-main);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.status-completed {
    background: #48bb78;
}

.status-ongoing {
    background: #ed8936;
}

.sidebar {
    position: fixed;
    left: -300px;
    top: 0;
    width: 300px;
    height: 100vh;
    background: var(--card-bg);
    padding: 6rem 1.5rem 1.5rem;
    transition: 0.3s ease;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    z-index: 100;
    overflow-y: auto;
}

.sidebar.open {
    left: 0;
}

.sidebar-toggle {
    position: fixed;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--button-blue); /* Updated to button-blue */
    color: var(--bg-main);
    border: none;
    padding: 0.5rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    z-index: 101;
    transition: 0.3s ease;
}

.sidebar-toggle:hover {
    background: var(--accent);
}

.sidebar-toggle i {
    transition: 0.3s ease;
}

.sidebar.open+.sidebar-toggle {
    left: 300px;
}

.sidebar.open+.sidebar-toggle i {
    transform: rotate(180deg);
}

.project-list-sidebar {
    list-style: none;
    padding: 0;
}

.project-list-sidebar li {
    margin-bottom: 1rem;
}

.project-list-sidebar a {
    color: var(--text-main);
    text-decoration: none;
    display: block;
    padding: 0.5rem;
    border-radius: 4px;
    transition: 0.3s ease;
}

.project-list-sidebar a:hover {
    background: var(--link-blue); /* Updated to link-blue */
    color: var(--bg-main);
}

.main-content {
    transition: 0.3s ease;
    margin-top: 3rem; /* Added margin to create space */
}

.main-content.shifted {
    margin-left: 300px;
}

@media (max-width: 768px) {
    .nav-links {
        display: flex;
        gap: 1rem;
        position: static;
        background: none;
        height: auto;
        padding: 0;
        transform: none;
    }
    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-text {
        display: none
    }

    .hero h1 {
        font-size: 2rem
    }

    .hero p {
        font-size: 1rem
    }

    .hero-section {
        flex-direction: column
    }

    .featured-project {
        margin-top: 2rem
    }

    .about-section {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem
    }

    .profile-image-container {
        flex: 0 0 250px;
        height: 350px;
        margin: 0 auto
    }

    .projects-grid {
        grid-template-columns: 1fr
    }

    .main-content.shifted {
        margin-left: 0;
    }
}

/* Add space between icon and text */
.nav-text {
    margin-left: 0.5rem;
}