/* ===========================
   1. RESET & GLOBAL STYLES
=========================== */
/* Yellow Text Selection */
::selection {
    background: #ffb727; 
    color: #111;         
}
::-moz-selection {
    background: #ffb727;
    color: #111;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #111; /* Very dark background */
    color: #ccc;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Stops vertical bouncing */
    min-height: 100vh;
    padding: 60px 20px; /* Consistent top padding */
}

/* ===========================
   2. MAIN LAYOUT CONTAINER
=========================== */
.main-container {
    display: flex;
    max-width: 1100px; 
    width: 100%;
    gap: 40px; 
    align-items: flex-start; 
}

/* ===========================
   3. LEFT COLUMN: PROFILE CARD
=========================== */
.profile-card {
    width: 320px;
    background: #1e1e1e;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    position: sticky;
    top: 20px; /* Small gap from top */
    
    /* SCROLLABLE SIDEBAR SETTINGS */
    max-height: calc(100vh - 40px);
    overflow-y: auto; 
    scrollbar-width: thin; 
    scrollbar-color: #333 #1e1e1e;
    
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    flex-shrink: 0; 
    border: 1px solid #2a2a2a;
}

/* Custom Scrollbar for Chrome/Safari */
.profile-card::-webkit-scrollbar {
    width: 6px;
}
.profile-card::-webkit-scrollbar-track {
    background: #1e1e1e;
}
.profile-card::-webkit-scrollbar-thumb {
    background-color: #333;
    border-radius: 10px;
}

.profile-img {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid #2d2d2d;
}

.profile-card h1 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 600;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap; 
}

.social-links a {
    color: #aaa;
    font-size: 18px;
    transition: 0.3s;
    background: #252525;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
}

.social-links a:hover {
    color: #111;
    background: #ffb727; 
}

.contact-box {
    background: #252525;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 12px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-box i {
    color: #ffb727;
    font-size: 18px;
}

.contact-box div span {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    color: #666;
    letter-spacing: 1px;
}

.contact-box div p {
    font-size: 13px;
    color: #ddd;
    word-break: break-all;
}

/* Sidebar CV Button */
.btn-cv-sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 25px;
    color: #ffb727;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 12px;
    border-radius: 8px;
    border: 2px solid #ffb727;
    transition: 0.3s;
}

.btn-cv-sidebar:hover {
    background: #ffb727;
    color: #111;
}

/* Sidebar Contact Form Styles */
.sidebar-form {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #333; 
    text-align: left;
}

.sidebar-form h3 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 600;
}

.sidebar-form input, 
.sidebar-form textarea {
    width: 100%;
    background: #111;
    border: 1px solid #333;
    color: #ccc;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    transition: 0.3s;
}

.sidebar-form input:focus, 
.sidebar-form textarea:focus {
    border-color: #ffb727;
    outline: none;
    background: #000;
}

.sidebar-form button {
    width: 100%;
    background: #ffb727;
    color: #111;
    border: none;
    padding: 10px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.3s;
}

.sidebar-form button:hover {
    background: #e0a800;
    transform: translateY(-2px);
}

/* ===========================
   4. RIGHT COLUMN: CONTENT AREA
=========================== */
.content-card {
    flex-grow: 1;
    background: #1e1e1e;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    overflow: hidden; 
    border: 1px solid #2a2a2a;
    min-height: 600px;
}

/* Top Navigation */
.top-nav {
    background: #252525;
    padding: 20px 30px;
    border-bottom: 1px solid #2a2a2a;
    display: flex;
    justify-content: flex-end; 
    flex-wrap: wrap;
    gap: 15px;
}

.top-nav a {
    color: #aaa;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
    padding: 5px 10px;
    border-radius: 4px;
}

.top-nav a:hover, .top-nav a.active {
    color: #ffb727; 
    background: rgba(255, 183, 39, 0.1); 
}

/* Content Body */
.content-body {
    padding: 40px;
}

.page-title {
    font-size: 32px;
    color: #fff;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 700;
}

.page-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: #ffb727;
    bottom: 0;
    left: 0;
    border-radius: 2px;
}

/* Text Content Typography */
.text-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #bbb;
    font-size: 15px;
}

/* ===========================
   5. SHARED ITEM CARDS (Projects/Pubs)
=========================== */
.item-card {
    background: #252525;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 25px;
    border-left: 4px solid #ffb727; 
    transition: transform 0.3s;
}

.item-card:hover {
    transform: translateX(5px); 
}

.item-card h3 {
    color: #fff;
    margin-bottom: 8px;
    font-size: 18px;
}

.item-card h4 {
    font-size: 14px;
    color: #ffb727; 
    margin-bottom: 15px;
    font-weight: 500;
}

.item-card p {
    color: #aaa;
    font-size: 14px;
    line-height: 1.7;
}

/* Tags (for Projects) */
.tags {
    margin-bottom: 15px;
}
.tags span {
    display: inline-block;
    background: #333;
    color: #ccc;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 11px;
    margin-right: 6px;
    margin-bottom: 5px;
    text-transform: uppercase;
    font-weight: 600;
}

/* PDF Links */
.item-card a.link-btn {
    display: inline-block;
    margin-top: 15px;
    font-size: 13px;
    color: #ffb727;
    text-decoration: underline;
    font-weight: 500;
}

/* Google Scholar Button */
.scholar-btn {
   display:inline-flex;
   align-items: center;
   gap: 10px;
   margin-top:30px;
   background:#252525;
   color:#fff;
   padding:12px 25px;
   border-radius:50px;
   text-decoration:none;
   font-weight: 500;
   transition: 0.3s;
   border: 2px solid #252525;
}

.scholar-btn:hover {
    border-color: #ffb727;
    color: #ffb727;
}

/* ===========================
   6. TIMELINE STYLES (Education/Experience)
=========================== */
.timeline {
    position: relative;
    padding-left: 20px;
    border-left: 2px solid #333; /* The vertical line */
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 20px;
    padding-top: 2px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* The Yellow Dot */
.timeline-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #ffb727;
    border-radius: 50%;
    left: -27px; /* Aligns with the border line */
    top: 5px;
    border: 2px solid #1e1e1e; /* Creates a gap effect */
    box-shadow: 0 0 0 2px #ffb727; /* Double ring effect */
}

/* --- ROW-BASED LAYOUT --- */
.timeline-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline; /* Aligns text nicely on the baseline */
    margin-bottom: 8px; /* Spacing between row 1 and row 2 */
    flex-wrap: wrap; /* Allows wrapping on very small screens */
    gap: 15px; /* Horizontal gap between left and right items */
}

/* Row 1 Left: University / Company Name */
.timeline-title {
    font-size: 18px;
    color: #fff;
    font-weight: 600;
    margin: 0;
    flex: 1; /* Takes available space */
    min-width: 200px;
}

/* Row 2 Left: Degree / Location / Detail */
.timeline-subtitle {
    font-size: 15px;
    color: #ccc;
    font-weight: 500;
    margin: 0;
    flex: 1;
    min-width: 200px;
}

/* Row 1 Right: Date */
.timeline-date {
    font-size: 14px;
    color: #aaa;
    font-weight: 400;
    text-align: right;
    flex-shrink: 0; /* Prevents wrapping if possible */
}

/* Row 2 Right: CGPA / Job Title Highlight */
.timeline-highlight {
    font-size: 15px;
    color: #ffb727; /* Yellow theme color */
    font-weight: 600;
    text-align: right;
    flex-shrink: 0;
}

.timeline-desc {
    font-size: 14px;
    color: #aaa;
    margin-top: 15px;
    line-height: 1.6;
}

/* Notable Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 10px;
    margin-top: 20px;
    background: #252525;
    padding: 20px;
    border-radius: 8px;
}

.courses-grid span {
    font-size: 13px;
    color: #bbb;
}

/* ===========================
   7. RESPONSIVE
=========================== */
@media (max-width: 900px) {
    .main-container {
        flex-direction: column;
    }
    .profile-card {
        width: 100%;
        position: relative;
        top: 0;
        max-height: none; /* Disable scroll constraint on mobile */
        overflow-y: visible;
    }
    .top-nav {
        justify-content: center;
    }
    .courses-grid {
        grid-template-columns: 1fr; /* 1 col on mobile */
    }
    .timeline-row {
        flex-direction: column;
        gap: 2px;
    }
    .timeline-date, .timeline-highlight {
        text-align: left;
        margin-bottom: 5px;
    }
}