/* This file will contain all the CSS to make your website visually appealing and responsive across different screen sizes.
*/

/* Basic Resets and Variables */
:root {
    --primary-color: #007bff; /* A nice blue */
    --secondary-color: #6c757d; /* Grey */
    --accent-color: #28a745; /* Green for success/highlights */
    --text-color: #343a40; /* Dark grey for general text */
    --light-bg: #f8f9fa; /* Light background */
    --dark-bg: #343a40; /* Dark background for footer/header */
    --white: #ffffff;
    --border-radius: 8px;
    --transition-speed: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--white);
}

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

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    transition: color var(--transition-speed);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.resume-button {
    background-color: var(--accent-color);
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed);
}

.resume-button:hover {
    background-color: #218838; /* Darker green */
}

/* Burger Menu for Mobile */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Sections */
section {
    padding: 80px 0;
    text-align: center;
}

section:nth-child(even) {
    background-color: var(--white);
}

h1, h2 {
    color: var(--dark-bg);
    margin-bottom: 25px;
    font-weight: 700;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    margin-top: 20px;
}

.primary-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}

.primary-button:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.secondary-button {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Home Section (Hero) */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://via.placeholder.com/1920x1080/007bff/FFFFFF?text=Background+Image') no-repeat center center/cover;
    color: var(--white);
    height: 90vh; /* Full viewport height */
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    text-align: center;
}

.profile-pic {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* About Section */
.about-me .container {
    text-align: left;
}

.about-content {
    display: flex;
    flex-wrap: wrap; /* Allows content to wrap on smaller screens */
    gap: 40px;
    align-items: flex-start;
}

.about-text {
    flex: 2;
    min-width: 300px; /* Ensures text doesn't get too narrow */
}

.about-text ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 20px;
}

.about-text ul li {
    margin-bottom: 8px;
}

/* Projects Section */
.projects .container {
    text-align: center;
}

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

.project-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 25px;
    text-align: center;
    transition: transform var(--transition-speed);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card img {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
}

.project-card h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.project-card p {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 20px;
}

/* Contact Section */
.contact .container {
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-bg);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

textarea {
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    cursor: pointer;
}

.error-message {
    color: #dc3545; /* Red for errors */
    font-size: 0.9rem;
    margin-top: 5px;
    display: none; /* Hidden by default */
}

.success-message {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 20px;
    display: none; /* Hidden by default */
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color var(--transition-speed);
}

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

/* Responsive Design (Media Queries) */

/* Tablet and smaller desktops */
@media (max-width: 992px) {
    nav {
        padding: 0 15px;
    }
    .nav-links li {
        margin-left: 15px;
    }
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 2rem;
    }
    section {
        padding: 60px 0;
    }
}

/* Mobile */
@media (max-width: 768px) {
    body {
        font-size: 0.95rem;
    }
    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 60%;
        background-color: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding-top: 80px;
    }

    .nav-links.nav-active {
        transform: translateX(0%);
    }

    .nav-links li {
        opacity: 0;
        margin: 25px 0;
    }

    .burger {
        display: block;
    }

    .burger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .burger.toggle .line2 {
        opacity: 0;
    }
    .burger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.8rem;
    }

    .hero {
        height: 70vh;
    }

    .about-content {
        flex-direction: column;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 20px;
    }
}

/* Keyframe animation for nav links */
@keyframes navLinkFade {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0px);
    }
}