/* General Body & Typography */
:root {
    --primary-color: #007bff; /* A nice blue for accents */
    --secondary-color: #6c757d; /* A subtle grey */
    --dark-color: #343a40; /* For text and main elements */
    --light-color: #f8f9fa; /* For backgrounds */
    --white-color: #ffffff;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: var(--dark-color);
    background-color: var(--light-color);
    scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

.container {
    max-width: 1100px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark-color);
    margin-bottom: 15px;
}

h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 2em;
    text-align: center;
    margin-bottom: 30px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white-color);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn:hover {
    background: darken(var(--primary-color), 10%); /* This won't work in pure CSS, use a slightly darker hex */
    background: #0056b3; /* A darker blue */
    text-decoration: none;
}

.btn.secondary-btn {
    background: var(--secondary-color);
    margin-left: 10px;
}

.btn.secondary-btn:hover {
    background: #545b62; /* A darker grey */
}


/* Header & Navigation */
.main-header {
    background: var(--white-color);
    color: var(--dark-color);
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.main-header .logo a {
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav ul li {
    margin-left: 20px;
}

.main-nav ul li a {
    color: var(--dark-color);
    font-weight: 400;
    font-size: 1.1em;
    transition: color 0.3s ease;
}

.main-nav ul li a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Hero Section */
.hero-section {
    background: var(--dark-color);
    color: var(--white-color);
    text-align: center;
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh; /* Takes up a good portion of the viewport height */
}

.hero-section .profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    margin-bottom: 25px;
}

.hero-section h2 {
    color: var(--white-color);
    margin-bottom: 10px;
    font-size: 3em;
}

.hero-section .tagline {
    font-size: 1.4em;
    margin-bottom: 30px;
    color: #ccc;
}

/* General Section Styling */
section {
    padding: 60px 0;
    text-align: center;
}

section:nth-child(even) { /* Alternate background for better visual separation */
    background-color: var(--white-color);
}

/* About Section */
.about-section p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    font-size: 1.1em;
    line-height: 1.8;
}

/* Projects Section */
.projects-section {
    background: var(--light-color);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-item {
    background: var(--white-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    text-align: left;
}

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

.project-item img {
    max-width: 100%;
    border-radius: 5px;
    margin-bottom: 15px;
    height: 200px; /* Consistent height for project images */
    object-fit: cover;
}

.project-item h4 {
    margin-top: 0;
    color: var(--dark-color);
}

.project-item p {
    font-size: 0.95em;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-item .btn {
    font-size: 0.9em;
    padding: 8px 15px;
    margin-right: 10px;
    margin-bottom: 10px; /* For stacking on small screens */
}


/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1em;
}

.contact-form textarea {
    resize: vertical; /* Allow vertical resizing */
}

.contact-form button {
    align-self: flex-start; /* Aligns button to the left */
}

.social-links {
    margin-top: 30px;
}

.social-links a {
    font-size: 1.2em;
    margin: 0 15px;
    color: var(--dark-color);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}


/* Footer */
.main-footer {
    background: var(--dark-color);
    color: var(--white-color);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
    }

    .main-header .logo {
        margin-bottom: 15px;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
    }

    .main-nav ul li {
        margin: 5px 0;
    }

    .hero-section {
        padding: 60px 0;
        min-height: 50vh;
    }

    .hero-section h2 {
        font-size: 2.5em;
    }

    .hero-section .tagline {
        font-size: 1.2em;
    }

    h2, h3 {
        font-size: 1.8em;
    }

    .project-grid {
        grid-template-columns: 1fr; /* Stack projects on small screens */
    }

    .project-item .btn {
        display: block; /* Make buttons full width */
        width: calc(100% - 30px); /* Adjust for padding */
        margin-right: 0;
        margin-bottom: 10px;
    }

    .contact-form button {
        align-self: stretch; /* Make button full width */
    }
    /* Container for the side-by-side layout */
.project-grid {
    display: flex; /* 1. Turn on Flexbox */
    gap: 20px; /* 2. Add space between the project items */
    justify-content: space-between; /* 3. Distribute space evenly (optional) */
    flex-wrap: wrap; /* 4. Allow wrapping for smaller screens */
}

/* Styling for each project card */
.project-item {
    /* Each item will take up slightly less than 50% to account for the 'gap' */
    flex: 1 1 48%; /* flex-grow: 1, flex-shrink: 1, basis: 48% */
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05); /* Optional: gives a nice lift effect */
    background-color: #ffffff;
    
    /* Ensure the button is at the bottom (optional, but good practice) */
    display: flex;
    flex-direction: column;
}

/* Push the button to the bottom of the card */
.project-item p {
    flex-grow: 1; /* Makes the paragraph take up available vertical space */
}

.project-item .project-btn {
    margin-top: 15px; /* Add some space above the button */
    align-self: flex-start; /* Aligns button to the left */
}

/* Optional: Make them stack vertically on very small mobile screens */
@media (max-width: 768px) {
    .project-grid {
        flex-direction: column;
    }
    .project-item {
        /* On small screens, take up the full width */
        flex: 1 1 100%;
    }
}
}