/*
 * Enhanced Portfolio Styles for Yash Saxena
 * A sophisticated, memorable design with bold typography and atmospheric depth
 */

/*
 * Color Palette & Theme System
 * 
 * This design uses a refined academic aesthetic with deep navy foundations,
 * warm accents, and sophisticated gradients that create depth and atmosphere.
 */
:root {
    /* Light theme - Sophisticated Academic */
    --bg-primary: #f5f1e8;
    --bg-section: #fffdf8;
    --bg-alternate: #efe7da;
    --card-bg: rgba(255, 253, 248, 0.9);
    --card-border: rgba(25, 58, 71, 0.12);
    --text-color: #17313f;
    --text-secondary: #50636e;
    --accent: #0f766e;
    --accent-2: #d97706;
    --accent-warm: #b45309;
    --navbar-bg: rgba(255, 253, 248, 0.84);
    --hero-gradient: linear-gradient(135deg, #0f766e 0%, #134e4a 55%, #d97706 100%);
    --shadow-sm: 0 10px 30px rgba(23, 49, 63, 0.06);
    --shadow-md: 0 20px 45px rgba(23, 49, 63, 0.1);
    --shadow-lg: 0 28px 60px rgba(23, 49, 63, 0.16);
    --timeline-line-color: #0f766e;
    --glow-accent: rgba(15, 118, 110, 0.18);
}

/* Dark theme - Midnight Scholar */
body.dark-mode {
    --bg-primary: #0b1a1f;
    --bg-section: #10242b;
    --bg-alternate: #0d2026;
    --card-bg: rgba(19, 38, 44, 0.88);
    --card-border: rgba(151, 206, 199, 0.15);
    --text-color: #edf6f4;
    --text-secondary: #b2c7c3;
    --accent: #5eead4;
    --accent-2: #fbbf24;
    --accent-warm: #f59e0b;
    --navbar-bg: rgba(11, 26, 31, 0.9);
    --hero-gradient: linear-gradient(135deg, #5eead4 0%, #0f766e 50%, #f59e0b 100%);
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 20px 45px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 28px 60px rgba(0, 0, 0, 0.38);
    --timeline-line-color: #5eead4;
    --glow-accent: rgba(94, 234, 212, 0.18);
}

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

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-primary);
    scroll-behavior: smooth;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--hero-gradient);
    border-radius: 2px;
}

code, .code {
    font-family: 'JetBrains Mono', monospace;
    background: var(--card-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Smooth Section Transitions */
section {
    position: relative;
    background-color: var(--bg-section);
    color: var(--text-color);
    transition: background-color 0.3s ease;
}

/* Alternate section backgrounds for better visual hierarchy */
section.bg-alternate {
    background-color: var(--bg-alternate) !important;
}

/* Utility Classes */
.text-accent {
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.bg-accent {
    background: var(--hero-gradient) !important;
    color: #fff !important;
}

/* Enhanced Buttons */
.btn-accent {
    background: var(--hero-gradient);
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--glow-accent);
    position: relative;
    overflow: hidden;
}

.btn-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-accent:hover::before {
    left: 100%;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow-accent);
    color: #fff;
}

.btn-outline-accent {
    color: var(--accent);
    border: 2px solid var(--accent);
    background-color: transparent;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-accent:hover {
    background: var(--hero-gradient);
    border-color: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow-accent);
}

/* Enhanced Navbar */
.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px) saturate(180%);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 800;
    font-size: 3rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.01em;
    line-height: 1;
}

.navbar .nav-link {
    color: var(--text-color);
    margin: 0 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--hero-gradient);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: 80%;
}

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

/* Hero Section - Bold & Memorable */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--bg-section);
    overflow: hidden;
}

/* Animated gradient background */
#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 50%, var(--glow-accent) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
    opacity: 0.6;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#hero .container {
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

#hero .lead {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-color);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    font-weight: 500;
}

#hero .btn {
    min-width: 180px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

#hero .social-icons {
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

#hero .social-icons a {
    color: var(--accent);
    margin: 0 0.75rem;
    transition: all 0.3s ease;
    display: inline-block;
}

#hero .social-icons a:hover {
    color: var(--accent-2);
    transform: translateY(-4px) scale(1.1);
}

/* Typed role effect */
#typed-role {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-weight: 600;
    font-size: 1.5rem;
    min-height: 2rem;
    display: inline-block;
}

/* Profile Photo - Circular presentation */
.profile-photo {
    max-width: 100%;
    height: auto;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 6px solid var(--card-border);
    transition: all 0.3s ease;
    animation: fadeIn 0.8s ease-out;
    aspect-ratio: 1 / 1;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.profile-photo:hover {
    transform: scale(1.02) rotate(1deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Stats Section - Eye-catching */
.stats-section {
    background: var(--bg-section);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.counter-card {
    background: color-mix(in srgb, var(--card-bg) 78%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-border) 72%, transparent);
    border-radius: 14px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: none;
    transition: border-color 0.25s ease, background 0.25s ease;
    position: relative;
    overflow: hidden;
}

.counter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--hero-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.counter-card:hover::before {
    transform: scaleX(1);
}

.counter-card:hover {
    border-color: color-mix(in srgb, var(--accent) 28%, var(--card-border));
}

.counter-card .icon {
    font-size: 3rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.counter-card .counter {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Manrope', 'Segoe UI', sans-serif;
}

.counter-card p {
    margin: 0.5rem 0 0 0;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.1rem;
}

/* Research Focus Cards - Interactive & Memorable */
.focus-card {
    background: color-mix(in srgb, var(--card-bg) 76%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-border) 72%, transparent);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.25s ease, background 0.25s ease;
    position: relative;
    overflow: hidden;
    box-shadow: none;
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--glow-accent) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
    border-radius: 50%;
}

.focus-card:hover::before {
    width: 300px;
    height: 300px;
}

.focus-card:hover {
    border-color: color-mix(in srgb, var(--accent) 28%, var(--card-border));
}

.focus-card .focus-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.focus-card:hover .focus-icon {
    transform: scale(1.1) rotate(5deg);
}

.focus-card h5 {
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.focus-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Skills Cards - Clean & Professional */
.skills-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.skills-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.skills-card h5 {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.skills-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.skills-card ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Enhanced Timeline */
.timeline {
    position: relative;
    margin-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.2rem;
    width: 3px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
    opacity: 0.3;
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3.5rem;
    animation: fadeInLeft 0.6s ease-out both;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    background: var(--hero-gradient);
    color: #fff;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px var(--glow-accent);
    z-index: 1;
}

.timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.timeline-content h5 {
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-content .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.9rem;
    font-style: italic;
}

.timeline-content ul {
    padding-left: 1.5rem;
    margin-bottom: 0;
    margin-top: 1rem;
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Publication & Presentation Cards - Editorial Style */
.publication-card,
.presentation-card {
    background: color-mix(in srgb, var(--card-bg) 78%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-border) 72%, transparent);
    border-radius: 12px;
    box-shadow: none;
    transition: border-color 0.25s ease, background 0.25s ease;
    position: relative;
    overflow: hidden;
}

.publication-card::before,
.presentation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--hero-gradient);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.publication-card:hover::before,
.presentation-card:hover::before {
    transform: scaleY(1);
}

.publication-card:hover,
.presentation-card:hover {
    border-color: color-mix(in srgb, var(--accent) 28%, var(--card-border));
}

.publication-card h5 a,
.publication-card h6 a,
.presentation-card h5 {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.publication-card h5 a:hover,
.publication-card h6 a:hover {
    color: var(--accent);
}

.publication-card h6 {
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.publication-card .badge,
.presentation-card .badge {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 0.35em 0.75em;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.8rem;
}

.publication-topic-groups {
    display: grid;
    gap: 1.5rem;
}

.publication-topic-group {
    --topic-accent: var(--accent);
    --topic-soft: var(--soft-accent);
    padding: 0 0 0 1.25rem;
    border-left: 3px solid var(--topic-accent);
}

.publication-topic-header {
    margin-bottom: 0.9rem;
}

.publication-topic-header h3 {
    margin: 0;
    color: var(--topic-accent);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.publication-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.95rem;
}

.publication-citation {
    display: grid;
    gap: 0.2rem;
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.98rem;
}

.publication-list-item {
    padding-bottom: 0.95rem;
    border-bottom: 1px solid var(--card-border);
}

.publication-list-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.publication-title {
    color: var(--text-color);
    font-weight: 700;
    font-size: 1.02rem;
}

.publication-title a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.publication-title a:hover {
    color: var(--topic-accent);
    border-color: currentColor;
}

.publication-authors {
    color: var(--text-secondary);
}

.publication-meta {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

.publication-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.5rem;
}

.publication-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: var(--topic-soft);
    color: var(--topic-accent);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.publication-topic-group[data-topic="signal-processing"] {
    --topic-accent: #0f766e;
    --topic-soft: rgba(15, 118, 110, 0.12);
}

.publication-topic-group[data-topic="healthcare"] {
    --topic-accent: #b45309;
    --topic-soft: rgba(180, 83, 9, 0.12);
}

.publication-topic-group[data-topic="explainability"] {
    --topic-accent: #7c3aed;
    --topic-soft: rgba(124, 58, 237, 0.12);
}

.publication-topic-group[data-topic="neuroimaging"] {
    --topic-accent: #2563eb;
    --topic-soft: rgba(37, 99, 235, 0.12);
}

.publication-topic-group[data-topic="brain-activity"] {
    --topic-accent: #9333ea;
    --topic-soft: rgba(147, 51, 234, 0.12);
}

.publication-topic-group[data-topic="affective-computing"] {
    --topic-accent: #db2777;
    --topic-soft: rgba(219, 39, 119, 0.12);
}

.publication-topic-group[data-topic="llm-evaluation"] {
    --topic-accent: #dc2626;
    --topic-soft: rgba(220, 38, 38, 0.12);
}

.publication-topic-group[data-topic="neurosymbolic-ai"] {
    --topic-accent: #4f46e5;
    --topic-soft: rgba(79, 70, 229, 0.12);
}

.publication-topic-group[data-topic="machine-learning"] {
    --topic-accent: #1d4ed8;
    --topic-soft: rgba(29, 78, 216, 0.12);
}

.materials-list-wrap {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
}

.materials-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.materials-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

.materials-list-item:last-child {
    border-bottom: 0;
}

.materials-list-content {
    min-width: 0;
}

.materials-type {
    margin-bottom: 0.45rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.materials-title {
    font-size: 1.08rem;
}

.materials-actions {
    flex-shrink: 0;
}

.materials-actions-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.65rem;
}

@media (max-width: 767.98px) {
    .materials-list-item {
        align-items: flex-start;
        flex-direction: column;
    }

    .materials-actions-stack {
        align-items: flex-start;
    }
}

.news-stack {
    display: block;
}

.news-meta {
    margin-bottom: 0.45rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.coming-soon-label {
    margin-bottom: 0.45rem;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.blog-stack {
    display: block;
}

.content-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.content-list-item {
    padding: 0 0 1.35rem;
    margin: 0 0 1.35rem;
    border-bottom: 1px solid var(--card-border);
}

.content-list-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.content-list-title {
    margin: 0 0 0.45rem;
    font-size: 1.18rem;
    line-height: 1.35;
}

.content-list-summary {
    margin-bottom: 0.7rem;
    max-width: 70ch;
}

.content-list-link {
    color: var(--accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.content-list-link:hover,
.content-list-link:focus-visible {
    color: var(--accent-2);
}

.content-list-empty {
    padding: 0.25rem 0 0;
}

/* Conference Badge Styling */
.conference-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px var(--glow-accent);
}

.conference-badge i {
    font-size: 1.1rem;
}

.conference-badge.under-review {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.conference-badge.in-preparation {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    box-shadow: 0 2px 8px rgba(107, 114, 128, 0.3);
}

/* Awards Section */
.timeline-awards {
    list-style: none;
    padding: 0;
}

.timeline-awards li {
    position: relative;
    padding: 1.25rem 1.5rem 1.25rem 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.timeline-awards li::before {
    content: '\f3c5';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline-awards li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.timeline-awards .badge {
    background: var(--hero-gradient);
    color: white;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 6px;
    margin-right: 0.75rem;
}

/* Modals - Enhanced */
.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--card-border);
    background: var(--bg-section);
}

.modal-title {
    color: var(--accent);
    font-weight: 700;
}

.modal-body {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Scroll to Top Button - Stylish */
#scrollTopBtn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: var(--hero-gradient);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px var(--glow-accent);
}

#scrollTopBtn.show {
    display: flex;
    animation: fadeInUp 0.3s ease-out;
}

#scrollTopBtn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 24px var(--glow-accent);
}

/* Footer */
footer {
    background: var(--bg-section);
    color: var(--text-secondary);
    border-top: 1px solid var(--card-border);
}

/* Dark Mode Toggle - Elegant */
#darkModeToggle {
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

#darkModeToggle:hover {
    background: var(--glow-accent);
    transform: scale(1.05);
}

#darkModeToggle i {
    font-size: 1.25rem;
}

/* Responsive Design */
@media (max-width: 991.98px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2rem; }
    
    #hero {
        min-height: 80vh;
        padding-top: 5rem;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
}

@media (max-width: 767.98px) {
    h1 { font-size: 2.5rem; }
    
    #hero .lead {
        font-size: 1.1rem;
    }
    
    .counter-card {
        margin-bottom: 1rem;
    }
    
    #scrollTopBtn {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 3rem;
        height: 3rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    #scrollTopBtn,
    #darkModeToggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Home Page */
.home-hero {
    padding: 7.5rem 0 3.5rem;
    background:
        radial-gradient(circle at top left, rgba(217, 119, 6, 0.08), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(15, 118, 110, 0.08), transparent 24%),
        linear-gradient(180deg, rgba(255, 253, 248, 0.98), rgba(239, 231, 218, 0.92));
}

body.dark-mode .home-hero {
    background:
        radial-gradient(circle at top left, rgba(245, 158, 11, 0.08), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(94, 234, 212, 0.08), transparent 24%),
        linear-gradient(180deg, rgba(16, 36, 43, 0.98), rgba(11, 26, 31, 0.98));
}

.eyebrow,
.hero-badge,
.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.76rem;
    font-weight: 800;
}

.eyebrow {
    color: var(--accent);
}

.home-hero-card {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 2rem;
    align-items: start;
    padding: 2rem;
    border: 1px solid var(--card-border);
    border-radius: 32px;
    background: rgba(255, 253, 248, 0.82);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
}

body.dark-mode .home-hero-card {
    background: rgba(19, 38, 44, 0.84);
}

.home-hero-copy {
    max-width: 740px;
}

.home-title {
    font-size: clamp(2.2rem, 3vw, 3.2rem);
    line-height: 1.08;
    margin: 0.75rem 0 1rem;
    max-width: 10ch;
    text-wrap: balance;
}

.home-summary {
    max-width: 58ch;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.hero-links,
.cta-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.home-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.hero-profile-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1rem;
}

.hero-profile-link {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.95rem;
    border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--soft-accent) 78%, white);
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.hero-profile-link:hover {
    color: var(--accent-2);
    border-color: color-mix(in srgb, var(--accent-2) 28%, transparent);
    background: color-mix(in srgb, var(--soft-accent) 92%, white);
    transform: translateY(-1px);
}

.home-meta span {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.08);
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 600;
}

body.dark-mode .home-meta span {
    background: rgba(94, 234, 212, 0.08);
}

.home-hero-side {
    display: grid;
    gap: 1rem;
}

.home-photo-frame,
.home-focus-card,
.spotlight-card,
.experience-snapshot,
.cta-card,
.award-item {
    border: 1px solid color-mix(in srgb, var(--card-border) 72%, transparent);
    background: color-mix(in srgb, var(--card-bg) 78%, transparent);
    box-shadow: none;
    backdrop-filter: blur(10px);
    border-radius: 22px;
}

.home-photo-frame {
    padding: 1rem;
    display: flex;
    justify-content: center;
}

.home-photo {
    width: 100%;
    max-width: 250px;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 20px;
    display: block;
    border: 1px solid var(--card-border);
}

.home-focus-card,
.spotlight-card,
.experience-snapshot,
.cta-card {
    padding: 1.35rem;
}

.home-focus-card h3,
.spotlight-card h3,
.cta-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.home-focus-card p,
.spotlight-card p,
.cta-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.home-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.home-stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
    border: 1px solid color-mix(in srgb, var(--card-border) 72%, transparent);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-bg) 80%, transparent);
    box-shadow: none;
}

.home-stat-card .counter {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    color: var(--text-color);
}

.home-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-title {
    display: block;
}

.section-title::after {
    display: none;
}

.signal-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.signal-list li {
    position: relative;
    padding-left: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.signal-list li:last-child {
    margin-bottom: 0;
}

.signal-list li::before {
    content: '';
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--hero-gradient);
    position: absolute;
    left: 0;
    top: 0.55rem;
}

.organized-list {
    display: grid;
    gap: 1.2rem;
}

.organized-item {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--card-border);
}

.organized-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.section-panel {
    padding: 0 0 1.2rem;
    border-bottom: 1px solid var(--card-border);
}

.section-panel:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.section-panel h5 {
    font-size: 1.05rem;
}

.experience-snapshot h5 {
    font-size: 1.45rem;
    margin-bottom: 0.3rem;
}

.award-stack {
    display: block;
}

.award-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.award-item {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    padding: 0 0 1.1rem;
    margin: 0 0 1.1rem;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0.9rem;
    align-items: start;
    border-bottom: 1px solid var(--card-border);
}

.award-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.award-item-hidden {
    display: none;
}

.award-year {
    display: inline-block;
    padding-top: 0.1rem;
    color: var(--accent);
    font-weight: 800;
    letter-spacing: 0.04em;
}

.award-title {
    margin: 0 0 0.2rem;
    font-size: 1.05rem;
    line-height: 1.35;
}

.award-toggle-link {
    margin-top: 0.85rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.award-toggle-link:hover,
.award-toggle-link:focus-visible {
    color: var(--accent-2);
}

.cta-card {
    background: color-mix(in srgb, var(--card-bg) 76%, transparent);
}

body.dark-mode .cta-card {
    background: color-mix(in srgb, var(--card-bg) 72%, transparent);
}

.publication-card,
.talk-card {
    padding: 1.4rem;
}

.publication-card h5,
.talk-card h5,
.focus-card h5 {
    font-size: 1.5rem;
}

@media (max-width: 991.98px) {
    .home-hero-card {
        grid-template-columns: 1fr;
    }

    .home-title {
        max-width: none;
    }

    .home-section-heading {
        align-items: start;
    }
}

@media (max-width: 767.98px) {
    .home-hero {
        padding-top: 6.5rem;
    }

    .home-hero-card,
    .home-focus-card,
    .spotlight-card,
    .experience-snapshot,
    .cta-card {
        border-radius: 22px;
        padding: 1.25rem;
    }

    .hero-links,
    .cta-links,
    .home-section-heading {
        flex-direction: column;
        align-items: stretch;
    }

    .home-stats-grid {
        grid-template-columns: 1fr;
    }

    .award-item {
        grid-template-columns: 1fr;
    }

    .home-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
        line-height: 1.12;
    }

    .home-photo {
        max-width: 220px;
    }
}