/* --- Global Styles --- */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #ff4081;
    --hover-accent-color: #FF6347;
    --background-color: #f4f4f9;
    --button-hover-color: #ffd700;
    --text-color: #333;
    --shadow-color: rgba(0, 0, 0, 0.15);
    --hover-shadow: rgba(0, 0, 0, 0.25);
    --font-family: 'Times New Roman', Times, serif;
    --font-size-large: 3.2em;
    --font-size-medium: 1.8em;
    --font-size-small: 1.1em;
    --transition-speed: 0.5s;
    --border-radius: 8px;
}

/* --- General Body and Layout --- */
body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-attachment: fixed;
}

/* --- Header --- */
header {
    width: 100%;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 10;
    transition: background-color var(--transition-speed) ease;
}

header h1 {
    font-size: var(--font-size-large);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
    color: #fff;
    margin: 0;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
}

/* --- Navigation --- */
nav {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    box-shadow: 0 10px 25px var(--shadow-color);
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 30px;
    background-color: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease-out;
}

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

nav a:hover {
    background-color: rgba(255, 99, 71, 0.2);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px var(--hover-shadow);
}

nav a.active {
    font-weight: 700;
    border-bottom: 3px solid var(--hover-accent-color);
    padding-bottom: 10px;
}

nav a:focus {
    outline: none;
    box-shadow: 0 0 6px 2px rgba(255, 99, 71, 0.4);
}

/* --- Main Container --- */
.container {
    width: 85%;
    max-width: 900px;
    background: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 12px 30px var(--shadow-color);
    margin-bottom: 40px;
    transition: box-shadow var(--transition-speed) ease;
}

.container:hover {
    box-shadow: 0 18px 45px var(--hover-shadow);
}

/* --- Typography --- */
h1, h3 {
    text-align: center;
    color: var(--text-color);
    text-shadow: 1px 1px 3px var(--shadow-color);
}

h1 {
    font-size: var(--font-size-large);
    margin-bottom: 20px;
}

h3 {
    font-size: var(--font-size-medium);
    margin-bottom: 30px;
}

/* --- Task List Grid --- */
.task-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* --- Task Items --- */
.task-list li {
    padding: 25px;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    box-shadow: 0 12px 30px var(--shadow-color);
    transition: all var(--transition-speed) ease;
    text-align: center;
    font-weight: 600;
    font-size: 1.2em;
    position: relative;
    cursor: pointer;
}

.task-list li:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 16px 45px var(--hover-shadow);
}

/* --- Task Links --- */
.task-list a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.3em;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.task-list a:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

/* --- Task Background Colors --- */
.task-list li:nth-child(12n+1) { background: linear-gradient(135deg, #ffe0e0, #ffc1c1); border-color: #ff8a80; }
.task-list li:nth-child(12n+2) { background: linear-gradient(135deg, #e0f7fa, #b2ebf2); border-color: #4dd0e1; }
.task-list li:nth-child(12n+3) { background: linear-gradient(135deg, #f3e5f5, #e1bee7); border-color: #ba68c8; }
.task-list li:nth-child(12n+4) { background: linear-gradient(135deg, #f1f8e9, #dcedc8); border-color: #aed581; }
.task-list li:nth-child(12n+5) { background: linear-gradient(135deg, #fff3e0, #ffe0b2); border-color: #ffb74d; }
.task-list li:nth-child(12n+6) { background: linear-gradient(135deg, #ede7f6, #d1c4e9); border-color: #9575cd; }
.task-list li:nth-child(12n+7) { background: linear-gradient(135deg, #e8eaf6, #c5cae9); border-color: #7986cb; }
.task-list li:nth-child(12n+8) { background: linear-gradient(135deg, #fffde7, #fff9c4); border-color: #fff176; }
.task-list li:nth-child(12n+9) { background: linear-gradient(135deg, #e0f2f1, #b2dfdb); border-color: #4db6ac; }
.task-list li:nth-child(12n+10) { background: linear-gradient(135deg, #fbe9e7, #ffccbc); border-color: #ff8a65; }
.task-list li:nth-child(12n+11) { background: linear-gradient(135deg, #f9fbe7, #f0f4c3); border-color: #dce775; }
.task-list li:nth-child(12n) { background: linear-gradient(135deg, #e1f5fe, #b3e5fc); border-color: #4fc3f7; }

/* Hover Gradient Tweaks */
.task-list li:nth-child(12n+1):hover { background: linear-gradient(135deg, #ffc1c1, #ff8a80); }
.task-list li:nth-child(12n+2):hover { background: linear-gradient(135deg, #b2ebf2, #4dd0e1); }
/* etc. same pattern for all... */

/* --- Button Styling --- */
button {
    padding: 12px 24px;
    border: none;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 8px 25px var(--hover-shadow);
    transition: all var(--transition-speed) ease;
}

button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--hover-shadow);
}

/* --- Internship Project Section --- */
#internship-project-details {
    width: 90%;
    max-width: 1100px;
    background: linear-gradient(135deg, #ffffff, #f7f7f7);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 12px 30px var(--shadow-color);
    margin-top: 40px;
    color: var(--text-color);
    transition: all 0.3s ease-in-out;
    overflow: hidden;
    position: relative;
}

#internship-project-details:hover {
    box-shadow: 0 18px 45px var(--hover-shadow);
    transform: translateY(-5px);
}

.internship-project-header {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    color: var(--primary-color);
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.internship-project-subheader {
    font-size: 1.4rem;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 30px;
    font-style: italic;
}

.internship-project-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.internship-project-list {
    font-size: var(--font-size-small);
    list-style: disc;
    padding-left: 35px;
    line-height: 1.7;
}

.internship-project-list li {
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.internship-project-list li:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.internship-project-link {
    color: black;
    font-weight: 600; /* Slightly lighter weight for better readability */
    text-decoration: none;
    font-size: 1.5rem;
    letter-spacing: 0.5px; /* Adds a bit of spacing between letters for clarity */
    transition: all 0.3s ease-in-out; /* Smooth transition for all properties */
    border-bottom: 2px solid transparent; /* Subtle underline effect */
    padding-bottom: 2px; /* Creates space for the underline */
}

.internship-project-link:hover {
    color: var(--secondary-color);
    text-decoration: none; /* Removes default underline */
    transform: scale(1.05) translateY(-2px); /* Adds a small lift for emphasis */
    border-bottom: 2px solid var(--secondary-color); /* Adds underline effect on hover */
}

/* Underline utility class */
.underline {
    text-decoration: underline;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    header h1 { font-size: 2.4em; }
    nav { flex-direction: column; align-items: center; }
    nav a { font-size: 1.2em; }
    .container, #internship-project-details { padding: 25px; }
    .task-list { grid-template-columns: 1fr; }
}

.internship-project-images {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.project-image-wrapper {
    flex: 0 0 calc(50% - 20px); /* 50% width minus gap */
    display: flex;
    justify-content: center;
}

.project-result-img {
    width: 100%;
    max-width: 450px;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s;
}

/* Optional: Add a zoom effect on hover */
.project-result-img:hover {
    transform: scale(1.05);
}

/* Make it responsive for mobile */
@media (max-width: 768px) {
    .project-image-wrapper {
        flex: 0 0 100%;
    }
}