/* ==========================================
   YOGENDRA JAIN PORTFOLIO - MAIN STYLE SHEET
   ========================================== */

/* Design Tokens & Theme Variables */
/* Design Tokens & Theme Variables */
:root {
    --bg-main: #040406;
    --bg-secondary: #08080a;
    --bg-tertiary: #101012;
    
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-muted: #8e8e93; /* Brightened from #6e6e73 for WCAG AA readability on dark bg */
    
    --color-teal: #00f2fe;
    --color-teal-dark: #00c6ff;
    --color-gold: #ffd700;
    --color-gold-dark: #ffaa00;
    --color-blue: #3b82f6;
    
    --grad-teal: linear-gradient(135deg, #00f2fe 0%, #9b51e0 100%);
    --grad-gold: linear-gradient(135deg, #ffd700 0%, #ff4500 100%);
    
    --border-glass: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(20, 20, 22, 0.45);
    --bg-glass-hover: rgba(28, 28, 30, 0.7);
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.8);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-title: 'Outfit', sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-mono: 'Space Mono', monospace;
    
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Default Mode: RegTech */
body, body.mode-regtech {
    --color-accent: #ff4c24; /* Coral Red */
    --color-accent-rgb: 255, 76, 36;
    --color-accent-dark: #cc3614;
    --text-gradient-accent: linear-gradient(135deg, #ff4c24 0%, #ff7e5f 100%);
    --blob-1-color: #ff4c24;
    --blob-2-color: #9b51e0;
    --blob-3-color: #00f2fe;
    --blob-4-color: #ff007f;
}

/* Academia Mode overrides */
body.mode-academia {
    --color-accent: #ffd700; /* Amber Gold */
    --color-accent-rgb: 255, 215, 0;
    --color-accent-dark: #b89047;
    --text-gradient-accent: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
    --blob-1-color: #ffd700;
    --blob-2-color: #3b82f6;
    --blob-3-color: #ff8c00;
    --blob-4-color: #10b981;
}

/* Perspective Switcher Styling */
.perspective-switcher-container {
    position: fixed;
    top: 95px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99;
    pointer-events: auto;
}

.perspective-switcher {
    display: inline-flex;
    background: rgba(10, 10, 12, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    padding: 4px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.switcher-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.switcher-btn:hover {
    color: var(--text-primary);
}

.switcher-btn.active {
    background: var(--color-accent);
    color: #030303;
    box-shadow: 0 2px 10px rgba(var(--color-accent-rgb), 0.3);
}

body.mode-regtech #btn-mode-regtech.active {
    background: #ff4c24;
    color: #000;
}

body.mode-academia #btn-mode-academia.active {
    background: #ffd700;
    color: #000;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
}

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

ul {
    list-style: none;
}

/* Helpers & Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient-teal {
    background: var(--grad-teal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-teal { color: var(--color-teal); }
.text-gold { color: var(--color-gold); }

/* Ambient Decorative Backgrounds */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -4;
    pointer-events: none;
    background: var(--bg-main);
    transition: background-color 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.14;
    mix-blend-mode: screen;
    will-change: transform;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--blob-1-color) 0%, transparent 70%);
    animation: move-blob-1 25s ease-in-out infinite alternate;
}

.blob-2 {
    bottom: -15%;
    right: -10%;
    width: 55vw;
    height: 55vw;
    background: radial-gradient(circle, var(--blob-2-color) 0%, transparent 70%);
    animation: move-blob-2 30s ease-in-out infinite alternate-reverse;
}

.blob-3 {
    top: 40%;
    left: 50%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--blob-3-color) 0%, transparent 70%);
    animation: move-blob-3 20s ease-in-out infinite alternate;
}

.blob-4 {
    bottom: 40%;
    left: -15%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--blob-4-color) 0%, transparent 70%);
    animation: move-blob-4 28s ease-in-out infinite alternate-reverse;
}

@keyframes move-blob-1 {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    33% { transform: translate(15vw, 10vh) scale(1.15) rotate(120deg); }
    66% { transform: translate(-5vw, 25vh) scale(0.9) rotate(240deg); }
    100% { transform: translate(5vw, -5vh) scale(1.05) rotate(360deg); }
}

@keyframes move-blob-2 {
    0% { transform: translate(0, 0) scale(1.05) rotate(360deg); }
    50% { transform: translate(-20vw, -15vh) scale(0.85) rotate(180deg); }
    100% { transform: translate(10vw, 5vh) scale(1.2) rotate(0deg); }
}

@keyframes move-blob-3 {
    0% { transform: translate(0, 0) scale(0.9) rotate(0deg); }
    50% { transform: translate(-25vw, 20vh) scale(1.2) rotate(-180deg); }
    100% { transform: translate(15vw, -10vh) scale(1) rotate(-360deg); }
}

@keyframes move-blob-4 {
    0% { transform: translate(0, 0) scale(1.1) rotate(180deg); }
    50% { transform: translate(25vw, -20vh) scale(0.95) rotate(0deg); }
    100% { transform: translate(-10vw, 15vh) scale(1.2) rotate(-180deg); }
}

.bg-grid-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center;
    z-index: -2;
    pointer-events: none;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(7, 11, 19, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition);
}

.main-header.scrolled {
    height: 70px;
    background: rgba(7, 11, 19, 0.9);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-prefix {
    background: var(--grad-teal);
    color: #070b13;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-title);
}

.logo-main {
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
}

.logo-accent {
    font-weight: 300;
    color: var(--color-teal);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-teal);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--grad-teal);
    color: #070b13;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.nav-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Sections Base Styling */
section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-teal);
    font-weight: 700;
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
    padding-top: 10rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.75rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 3.5rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 800;
    background: var(--grad-teal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Profile Summary Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-summary-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-summary-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.profile-img {
    width: 85px;
    height: 85px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--color-accent);
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.25);
    transition: var(--transition);
}

.profile-img:hover {
    transform: scale(1.05);
}

.profile-initials {
    width: 85px;
    height: 85px;
    border-radius: 12px;
    background: var(--color-accent);
    color: #030303;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.85rem;
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.25);
}

.profile-title-area h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.name-linkedin-icon, .labs-linkedin-icon {
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

.name-linkedin-icon:hover, .labs-linkedin-icon:hover {
    color: var(--color-accent);
    transform: scale(1.1);
}

.pane-title-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.pane-title-row h3 {
    margin-bottom: 0 !important;
}

.profile-title-area p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gold);
}

.detail-value {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Tri-Focus Portal */
.portal-section {
    background-color: var(--bg-secondary);
}

.portal-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.portal-tab-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.portal-tab-btn:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.portal-tab-btn.active {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--color-teal);
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.15);
}

.portal-tab-btn.active:nth-child(2) {
    border-color: var(--color-gold);
    box-shadow: 0 4px 20px rgba(223, 183, 108, 0.15);
}

.tab-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-teal);
    transition: var(--transition);
}

.portal-tab-btn.active .tab-icon {
    background: var(--grad-teal);
    color: #070b13;
}

.portal-tab-btn:nth-child(2).active .tab-icon {
    background: var(--grad-gold);
    color: #070b13;
}

.tab-text h3 {
    font-size: 1.1rem;
    margin-bottom: 0.15rem;
}

.tab-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Portal Content Panes */
.portal-content-wrapper {
    position: relative;
    min-height: 450px;
}

.portal-pane {
    display: none;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.portal-pane.active {
    display: block;
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.pane-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.pane-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
    display: inline-block;
}

.pane-info h3 {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
    font-family: var(--font-serif);
    font-weight: 600;
}

.pane-desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.pane-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pane-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.pane-list li i {
    margin-top: 0.25rem;
    font-size: 1.1rem;
}

.pane-list li span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pane visuals styling */
.pane-visual {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

/* Flow card for AI Data */
.flow-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.flow-step {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.step-num {
    font-family: var(--font-title);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-teal);
}

.step-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.step-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.flow-arrow {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0.25rem 0;
}

/* Timeline card for Academy */
.timeline-card {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 2px;
    height: 90%;
    background: var(--border-glass);
}

.timeline-node {
    position: relative;
}

.timeline-node::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-gold);
    box-shadow: 0 0 10px rgba(223, 183, 108, 0.5);
}

.node-year {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-gold);
    display: block;
    margin-bottom: 0.25rem;
}

.timeline-node h4 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.timeline-node p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Compliance Badge Card for Advocacy */
.compliance-badge-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.badge-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}

.badge-header i {
    font-size: 1.5rem;
}

.badge-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    padding: 1rem;
}

.badge-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.badge-val {
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Patent Section styling */
.patent-section {
    background-color: var(--bg-main);
}

.patent-wrapper {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 5rem;
    align-items: center;
}

.patent-visual {
    display: flex;
    justify-content: center;
}

.blueprint-card {
    width: 100%;
    max-width: 440px;
    background: #06101c;
    border: 1px solid #16365a;
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.blueprint-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 242, 254, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 254, 0.025) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    border-radius: 8px;
}

.blueprint-schema {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 2;
}

.schema-box {
    width: 80%;
    background: rgba(0, 242, 254, 0.05);
    border: 1px dashed rgba(0, 242, 254, 0.4);
    border-radius: 4px;
    padding: 0.75rem;
    text-align: center;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--color-teal);
}

.schema-box.main-box {
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.6);
    font-weight: 700;
}

.schema-line {
    width: 1px;
    height: 12px;
    background: rgba(0, 242, 254, 0.4);
}

.blueprint-text {
    font-family: monospace;
    font-size: 0.65rem;
    color: rgba(0, 242, 254, 0.5);
    text-align: center;
    margin-top: 1.5rem;
    letter-spacing: 0.1em;
}

.patent-info {
    display: flex;
    flex-direction: column;
}

.patent-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-teal);
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.patent-title {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.patent-num {
    font-size: 0.9rem;
    font-family: var(--font-title);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: block;
}

.patent-desc {
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.patent-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pat-feat {
    display: flex;
    gap: 1.25rem;
}

.pat-feat i {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 242, 254, 0.05);
    color: var(--color-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.pat-feat h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.pat-feat p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Publications & Research Section */
.research-section {
    background-color: var(--bg-secondary);
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.filter-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--grad-teal);
    color: #070b13;
    border-color: transparent;
    font-weight: 600;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.research-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.research-card:hover {
    transform: translateY(-5px);
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-md);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.research-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    color: var(--color-gold);
}

.research-card.talk .research-type {
    color: var(--color-teal);
}

.research-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.research-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 1.4;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card-journal {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.card-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-teal);
    width: fit-content;
}

.card-link:hover {
    color: var(--text-primary);
}

.research-cta {
    text-align: center;
}

/* Skills section styling */
.skills-section {
    background-color: var(--bg-main);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.skill-category-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.sc-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}

.sc-header i {
    font-size: 1.5rem;
}

.sc-header h3 {
    font-size: 1.25rem;
}

.sc-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sc-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.sc-list li::before {
    content: '→';
    color: var(--color-teal);
    font-weight: 700;
}

.skill-category-card:nth-child(3) .sc-list li::before {
    color: var(--color-gold);
}

/* Contact Section Styling */
.contact-section {
    background-color: var(--bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 5rem;
    align-items: center;
}

.contact-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--color-teal);
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
    display: block;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.contact-desc {
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.channel-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--color-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.channel-details {
    display: flex;
    flex-direction: column;
}

.channel-details span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.channel-details a, .channel-details p {
    font-weight: 500;
    font-size: 0.95rem;
}

.channel-details a:hover {
    color: var(--color-teal);
}

/* Contact form styling */
.contact-form-container {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: rgba(7, 11, 19, 0.5);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--color-teal);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

.form-group select option {
    background-color: var(--bg-tertiary);
}

.btn-submit {
    padding: 0.85rem 2rem;
    width: 100%;
}

.form-status {
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.5rem;
}

.form-status.success {
    color: #10b981;
}

.form-status.error {
    color: #ef4444;
}

/* Footer Styling */
.main-footer {
    border-top: 1px solid var(--border-glass);
    background-color: var(--bg-main);
    padding: 3rem 0;
}

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

.footer-brand p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 1.15rem;
}

.footer-links a:hover {
    color: var(--color-teal);
}

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

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

.animate-fade-in { animation: fadeIn 1s forwards; }
.animate-fade-in-delayed { animation: fadeIn 1s 0.6s forwards; opacity: 0; }
.animate-slide-up { animation: slideUp 0.8s forwards; }
.animate-slide-up-delayed { animation: slideUp 0.8s 0.3s forwards; opacity: 0; }

/* Responsive adjustments */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .pane-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .patent-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .patent-visual {
        order: -1;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .main-header {
        height: 70px;
    }
    
    .nav-links {
        display: none; /* Hide default nav menu on mobile */
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-glass);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-btn {
        width: 80%;
        margin: 1rem auto;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .portal-tabs {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    .profile-summary-card {
        padding: 1.75rem 1.25rem;
    }
}

/* Custom Quill Hover Cursor */
body.mode-regtech a:hover,
body.mode-regtech button:hover,
body.mode-regtech .switcher-btn:hover,
body.mode-regtech .portal-tab-btn:hover,
body.mode-regtech .filter-btn:hover,
body.mode-regtech .footer-links a:hover {
    cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'><path d='M0,0 L4,1 L3,3 L1,4 Z' fill='%23ff4c24'/><path d='M3,3 L24,24' stroke='%23ff4c24' stroke-width='1.5' stroke-linecap='round'/><path d='M6,6 C9,2 15,1 24,10 C28,14 30,20 28,26 C22,28 16,26 12,22 C3,13 2,9 6,6 Z' fill='%23ff4c24' fill-opacity='0.35' stroke='%23ff4c24' stroke-width='1'/><path d='M10,10 L15,8 M14,14 L19,12 M18,18 L23,16' stroke='%23ff4c24' stroke-width='1'/></svg>") 0 0, pointer;
}

body.mode-academia a:hover,
body.mode-academia button:hover,
body.mode-academia .switcher-btn:hover,
body.mode-academia .portal-tab-btn:hover,
body.mode-academia .filter-btn:hover,
body.mode-academia .footer-links a:hover {
    cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'><path d='M0,0 L4,1 L3,3 L1,4 Z' fill='%23ffd700'/><path d='M3,3 L24,24' stroke='%23ffd700' stroke-width='1.5' stroke-linecap='round'/><path d='M6,6 C9,2 15,1 24,10 C28,14 30,20 28,26 C22,28 16,26 12,22 C3,13 2,9 6,6 Z' fill='%23ffd700' fill-opacity='0.35' stroke='%23ffd700' stroke-width='1'/><path d='M10,10 L15,8 M14,14 L19,12 M18,18 L23,16' stroke='%23ffd700' stroke-width='1'/></svg>") 0 0, pointer;
}

/* Poetry Trigger Button inside Profile Card */
.profile-footer {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

.btn-poetry-trigger {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-poetry-trigger i {
    font-size: 0.95rem;
    color: var(--color-accent);
}

.btn-poetry-trigger:hover {
    background: rgba(var(--color-accent-rgb), 0.05);
    border-color: var(--color-accent);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.15);
    transform: translateY(-2px);
}

/* Slide-over Poetry Drawer Container */
.poetry-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.poetry-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.poetry-drawer {
    position: fixed;
    top: 0;
    right: -460px;
    width: 460px;
    height: 100vh;
    background: rgba(6, 6, 8, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    padding: 3rem 2.5rem;
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.poetry-drawer.open {
    transform: translateX(-460px);
}

.poetry-drawer-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.poetry-drawer-close:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.poetry-drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.poetry-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.poetry-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 1rem auto;
    border: 1px solid rgba(var(--color-accent-rgb), 0.25);
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.15);
}

.poetry-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.poetry-main-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    background: var(--text-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.poetry-author {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.poetry-body {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
    padding-bottom: 2rem;
}

.poetry-stanza {
    border-left: 2px solid rgba(var(--color-accent-rgb), 0.2);
    padding-left: 1.25rem;
    transition: var(--transition);
}

.poetry-stanza:hover {
    border-left-color: var(--color-accent);
}

.poetry-hindi {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.poetry-english {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
    font-style: italic;
    font-weight: 300;
}

/* Mobile responsive styling for Poetry Drawer */
@media (max-width: 576px) {
    .poetry-drawer {
        width: 100vw;
        right: -100vw;
        padding: 2.5rem 1.5rem;
    }
    
    .poetry-drawer.open {
        transform: translateX(-100vw);
    }
    
    .poetry-main-title {
        font-size: 1.75rem;
    }
}

/* Poetry Drawer Tab Selector */
.poetry-selector {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1.25rem;
}

.poetry-select-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    position: relative;
    transition: var(--transition);
}

.poetry-select-btn:hover {
    color: var(--text-primary);
}

.poetry-select-btn.active {
    color: var(--color-accent);
}

.poetry-select-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1.35rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.5);
}

/* Poetry Copyright Notice styling */
.poetry-copyright {
    margin-top: 3rem;
    padding-top: 1.25rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    text-align: center;
}

.poetry-copyright span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Academic & Poetry Photo Custom Styles */
.academic-photo-container {
    width: 100%;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

body.mode-academia .academic-photo-container {
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.2);
}

.academic-photo {
    width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.academic-photo-container:hover .academic-photo {
    transform: scale(1.03);
}

.poetry-photo-container {
    width: 100%;
    margin-top: 1.25rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.poetry-photo {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: cover;
    display: block;
    filter: grayscale(15%) contrast(105%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.poetry-photo-container:hover .poetry-photo {
    transform: scale(1.02);
    filter: grayscale(0%) contrast(100%);
}