/* ==========================================================================
   Global Design Architecture - Standard Premium Light Theme
   ========================================================================== */
:root {
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Clean, Standard High-End Palette */
    --bg-primary: #FAFAFA;           /* Off-white / Porcelain */
    --bg-card: #FFFFFF;              /* Pure White for depth */
    --bg-glass: rgba(255, 255, 255, 0.85); /* Sophisticated Frosted Glass */
    
    /* Subtle Borders & Shadows */
    --border-light: #E2E8F0;
    --border-glass: rgba(226, 232, 240, 0.8);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 12px 32px -8px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.12);

    /* Text Colors (High Contrast & Readability) */
    --text-primary: #0F172A;         /* Slate Black */
    --text-secondary: #334155;       /* Deep Charcoal */
    --text-muted: #64748B;           /* Medium Muted Grey */
    
    /* Targeted Accents (Sky Blue & Indigo) */
    --sky-primary: #0284C7;
    --sky-light: #E0F2FE;
    --sky-glow: rgba(56, 189, 248, 0.25);
    --accent-gradient: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
    
    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

/* Subdued Background Glows */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    opacity: 0.35;
    pointer-events: none;
}

.glow-1 {
    top: -100px;
    left: -100px;
    background: radial-gradient(circle, #BAE6FD 0%, #38BDF8 100%);
}

.glow-2 {
    bottom: -100px;
    right: -100px;
    background: radial-gradient(circle, #E0E7FF 0%, #818CF8 100%);
}

/* Utilities & Container */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Standard Premium Glass Cards */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: #CBD5E1;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.section {
    padding: 96px 0;
}

.section-header {
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--sky-primary);
    background: var(--sky-light);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-muted);
    margin-top: 8px;
    font-size: 1.05rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--text-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
    background: var(--sky-primary);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.full-width {
    width: 100%;
    justify-content: center;
}

/* Header & Glass Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--sky-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.nav-cta {
    padding: 8px 20px !important;
    background: var(--text-primary);
    color: #FFFFFF !important;
    border-radius: 50px;
}

.nav-cta:hover {
    background: var(--sky-primary) !important;
}

/* Hero Section */
.hero-section {
    padding: 170px 0 100px;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    max-width: 750px;
}

.hero-location {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 36px;
    font-weight: 500;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* About / Story Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
}

.about-story h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.about-story p {
    color: var(--text-secondary);
    margin-bottom: 14px;
    font-size: 0.98rem;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 24px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 600;
}

/* Experience Timeline */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.timeline-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.timeline-title i {
    color: var(--sky-primary);
}

.timeline-card {
    margin-bottom: 20px;
}

.timeline-date {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--sky-primary);
    background: var(--sky-light);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.timeline-card h4 {
    font-size: 1.15rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.timeline-company {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.timeline-card ul {
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.timeline-card ul li {
    margin-bottom: 6px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.skill-category {
    padding: 28px;
}

.skill-icon {
    font-size: 1.6rem;
    color: var(--sky-primary);
    margin-bottom: 14px;
}

.skill-category h3 {
    font-size: 1.15rem;
    margin-bottom: 16px;
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pill:hover {
    background: var(--text-primary);
    color: #FFFFFF;
    border-color: transparent;
}

/* Portfolio Works Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 28px;
}

.portfolio-card {
    padding: 0;
    overflow: hidden;
}

.portfolio-thumb {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover .portfolio-thumb img {
    transform: scale(1.06);
}

.thumb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .thumb-overlay {
    opacity: 1;
}

.view-btn {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
    background: var(--sky-primary);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.85rem;
}

.portfolio-info {
    padding: 24px;
}

.portfolio-cat {
    font-size: 0.78rem;
    color: var(--sky-primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.portfolio-info h3 {
    font-size: 1.15rem;
    margin: 6px 0;
    color: var(--text-primary);
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Contact Form & Section */
.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px;
}

.contact-info p {
    color: var(--text-muted);
    margin: 14px 0 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text-primary);
}

.contact-item i {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--sky-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sky-primary);
    font-size: 1rem;
}

.contact-item span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-item strong {
    font-size: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 14px;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--sky-primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Footer */
footer {
    padding: 36px 0;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 0.88rem;
    background: #FFFFFF;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .about-grid, .timeline-grid, .contact-box { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 65px;
        right: -100%;
        width: 80%;
        max-width: 280px;
        height: calc(100vh - 65px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        border-left: 1px solid var(--border-light);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active { right: 0; }
    .hamburger { display: flex; }
    .hero-title { font-size: 2.3rem; }
    .contact-box { padding: 28px; }
    .footer-container { flex-direction: column; gap: 10px; text-align: center; }
}/* ==========================================================================
   1. CSS Variables & Sky Blue Light Theme Configuration
   ========================================================================== */
:root {
    /* Color Palette - Clean Light & Sky Blue */
    --bg-main: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.85);
    
    /* Text Colors for High Contrast */
    --text-main: #0f172a;       /* Deep Slate Blue / Charcoal */
    --text-muted: #475569;      /* Muted Slate */
    
    /* Sky Blue Brand Accents */
    --sky-blue: #0ea5e9;
    --sky-blue-hover: #0284c7;
    --sky-blue-light: #e0f2fe;
    --sky-blue-glow: rgba(14, 165, 233, 0.25);
    
    --sky-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    --sky-gradient-hover: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    --brand-bhu: #0284c7; /* Prominent Sky Blue for BHU TEK */

    /* Glassmorphism Settings for Light Theme */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(14, 165, 233, 0.15);
    --glass-hover-border: rgba(14, 165, 233, 0.4);
    
    /* Layout & Spacing */
    --container-width: 1200px;
    --section-pad: 6rem 0;
    
    /* Typography */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions & Shadows */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --soft-shadow: 0 10px 30px -5px rgba(14, 165, 233, 0.08);
    --hover-shadow: 0 20px 40px -10px rgba(14, 165, 233, 0.18);
}

/* ==========================================================================
   2. Base Reset & Typography
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4 {
    color: var(--text-main);
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.025em;
}

p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   3. Subtle Sky Blue Background Effects
   ========================================================================== */
.ambient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
}

.glow-1 {
    top: -10%;
    left: -5%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
}

.glow-2 {
    bottom: -10%;
    right: -5%;
    width: 55vw;
    height: 55vw;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
}

/* ==========================================================================
   4. Utility Classes & Layout
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-pad);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.gradient-text {
    background: var(--sky-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Clean Light Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--soft-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: #ffffff;
    border-color: var(--glass-hover-border);
    transform: translateY(-4px);
    box-shadow: var(--hover-shadow);
}

/* ==========================================================================
   5. Buttons & Badges
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.875rem;
    border-radius: 3rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--sky-gradient);
    color: #ffffff;
    box-shadow: 0 6px 20px var(--sky-blue-glow);
}

.btn-primary:hover {
    background: var(--sky-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(2, 132, 199, 0.35);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    box-shadow: var(--soft-shadow);
}

.btn-secondary:hover {
    border-color: var(--sky-blue);
    color: var(--sky-blue-hover);
    transform: translateY(-2px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    background: var(--sky-blue-light);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--sky-blue-hover);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--sky-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--sky-blue);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(14, 165, 233, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 165, 233, 0); }
}

/* ==========================================================================
   6. Navigation Header
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.logo span {
    color: var(--brand-bhu);
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.nav-link:hover {
    color: var(--brand-bhu);
}

.btn-nav {
    padding: 0.6rem 1.4rem;
    border-radius: 2rem;
    background: var(--sky-blue-light);
    color: var(--sky-blue-hover);
    font-weight: 600;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.btn-nav:hover {
    background: var(--sky-gradient);
    color: #ffffff;
    border-color: transparent;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition-fast);
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */
.hero-section {
    padding: 11rem 0 7rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(224, 242, 254, 0.5) 0%, transparent 60%);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    max-width: 90%;
    color: var(--text-muted);
}

.hero-socials {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    font-size: 1.1rem;
    box-shadow: var(--soft-shadow);
}

.social-icon:hover {
    background: var(--sky-gradient);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--sky-blue-glow);
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
}

/* Hero Visual & Badges */
.image-wrapper {
    position: relative;
    padding: 0.75rem;
    border-radius: 2rem;
    background: #ffffff;
    box-shadow: var(--hover-shadow);
}

.hero-img {
    width: 100%;
    border-radius: 1.5rem;
    object-fit: cover;
}

.floating-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1.25rem;
    border-radius: 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.15);
    animation: float 6s ease-in-out infinite;
}

.floating-badge i {
    color: var(--sky-blue);
}

.top-right { top: -15px; right: -15px; }
.bottom-left { bottom: -15px; left: -15px; animation-delay: -3s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

/* ==========================================================================
   8. Section Headers
   ========================================================================== */
.section-tag {
    color: var(--brand-bhu);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ==========================================================================
   9. About & Stats Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    margin-top: 2.5rem;
}

.about-story h3 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 2rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #ffffff;
}

.stat-icon {
    font-size: 2rem;
    color: var(--sky-blue);
    margin-bottom: 0.75rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* ==========================================================================
   10. Experience & Education Timeline
   ========================================================================== */
.timeline-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.icon-box {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--sky-blue-light);
    color: var(--sky-blue-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.timeline-title {
    font-size: 1.5rem;
}

.timeline-card {
    margin-bottom: 1.5rem;
    padding: 2rem;
    background: #ffffff;
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--sky-blue-light);
    border-radius: 2rem;
    font-size: 0.8rem;
    color: var(--sky-blue-hover);
    margin-bottom: 1rem;
    font-weight: 700;
}

.timeline-company {
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 1rem;
}

.custom-list {
    padding-left: 1.25rem;
}

.custom-list li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.custom-list li::before {
    content: "•";
    position: absolute;
    left: -1rem;
    color: var(--sky-blue);
    font-weight: bold;
}

/* ==========================================================================
   11. Skills Arsenal
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: #ffffff;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--sky-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--sky-blue-hover);
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pill {
    padding: 0.5rem 1.1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.pill:hover {
    background: var(--sky-blue-light);
    color: var(--sky-blue-hover);
    border-color: rgba(14, 165, 233, 0.3);
}

/* ==========================================================================
   12. Portfolio Works
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-card {
    padding: 1.25rem;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.portfolio-thumb {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.thumb-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.portfolio-card:hover .portfolio-thumb img {
    transform: scale(1.06);
}

.portfolio-card:hover .thumb-overlay {
    opacity: 1;
}

.view-btn {
    padding: 0.75rem 1.5rem;
    background: #ffffff;
    color: var(--text-main);
    border-radius: 2rem;
    font-weight: 700;
    transform: translateY(15px);
    transition: var(--transition-smooth);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.portfolio-card:hover .view-btn {
    transform: translateY(0);
}

.portfolio-cat {
    color: var(--sky-blue-hover);
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   13. Contact Section
   ========================================================================== */
.contact-wrapper {
    padding: 4rem;
    background: #ffffff;
}

.contact-details-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-link, .contact-link.no-hover {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem;
    border-radius: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}

.contact-link:not(.no-hover):hover {
    background: var(--sky-blue-light);
    border-color: rgba(14, 165, 233, 0.3);
}

.icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--sky-blue);
    box-shadow: var(--soft-shadow);
}

.contact-text span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-text strong {
    display: block;
    color: var(--text-main);
    font-size: 1.05rem;
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.input-group input, 
.input-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.input-group input:focus, 
.input-group textarea:focus {
    outline: none;
    border-color: var(--sky-blue);
    box-shadow: 0 0 15px var(--sky-blue-glow);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 1.05rem;
}

/* ==========================================================================
   14. Clean Minimal Footer (BHU TEK Focus)
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--glass-border);
    padding: 4.5rem 0 2.5rem;
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(14, 165, 233, 0.15);
    margin-bottom: 2rem;
}

.footer-brand h2 {
    font-size: 2rem;
    color: var(--text-main);
}

.footer-brand span {
    color: var(--brand-bhu);
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    box-shadow: var(--soft-shadow);
}

.footer-socials a:hover {
    background: var(--sky-gradient);
    color: #ffffff;
    border-color: transparent;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.highlight-bhu {
    color: var(--brand-bhu);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.made-by i {
    color: #ef4444; /* Small red accent heart */
    margin: 0 0.2rem;
}

.made-by strong {
    color: var(--brand-bhu);
    font-weight: 800;
}

/* ==========================================================================
   15. Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-section {
        text-align: center;
        padding-top: 9rem;
    }
    
    .hero-socials, .hero-cta-group {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .about-grid, .timeline-grid, .contact-wrapper.grid-2-col {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .hero-title { font-size: 2.1rem; }
    
    .footer-content, .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr;
    }
}