/* ==========================================================================
       1. CSS VARIABLES & THEME SETUP
       ========================================================================== */
 :root {
     --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
     --font-code: 'JetBrains Mono', monospace;

     --bg-dark: #07090e;
     --bg-surface: #0e131f;
     --bg-surface-elevated: #141b2d;

     --border-color: rgba(255, 255, 255, 0.08);
     --border-color-hover: rgba(255, 255, 255, 0.2);

     --text-primary: #f8fafc;
     --text-secondary: #94a3b8;
     --text-muted: #64748b;

     --brand-accent: #6366f1;
     --brand-accent-glow: rgba(99, 102, 241, 0.35);
     --brand-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
     --brand-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);

     --glass-bg: rgba(14, 19, 31, 0.65);
     --glass-border: rgba(255, 255, 255, 0.08);
     --glass-blur: blur(16px);

     --radius-sm: 8px;
     --radius-md: 14px;
     --radius-lg: 24px;
     --radius-full: 9999px;

     --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
     --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
     --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
 }

 /* ==========================================================================
       2. BASE & RESET STYLES
       ========================================================================== */
 *,
 *::before,
 *::after {
     box-sizing: border-box;
     margin: 0;
     padding: 0;
 }

 html {
     scroll-behavior: smooth;
     font-size: 16px;
     background-color: var(--bg-dark);
     color: var(--text-primary);
 }

 body {
     font-family: var(--font-main);
     background-color: var(--bg-dark);
     color: var(--text-primary);
     line-height: 1.6;
     overflow-x: hidden;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
 }

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

 button,
 input,
 textarea,
 select {
     font-family: inherit;
     color: inherit;
 }

 /* Focus Visible Styles for WCAG Accessibility */
 :focus-visible {
     outline: 2px solid var(--brand-accent);
     outline-offset: 4px;
 }

 /* ==========================================================================
       3. REUSABLE UTILITIES & COMPONENTS
       ========================================================================== */
 .glass-card {
     background: var(--glass-bg);
     backdrop-filter: var(--glass-blur);
     -webkit-backdrop-filter: var(--glass-blur);
     border: 1px solid var(--glass-border);
     border-radius: var(--radius-md);
     box-shadow: var(--shadow-premium);
     transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
 }

 .glass-card:hover {
     border-color: var(--border-color-hover);
     box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.15);
 }

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

 .btn-premium {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     gap: 10px;
     padding: 14px 28px;
     border-radius: var(--radius-full);
     font-weight: 600;
     font-size: 0.95rem;
     cursor: pointer;
     border: none;
     transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
     position: relative;
     overflow: hidden;
     text-align: center;
 }

 .btn-primary-gradient {
     background: var(--brand-gradient);
     color: #ffffff;
     box-shadow: 0 10px 25px -5px var(--brand-accent-glow);
 }

 .btn-primary-gradient:hover {
     transform: translateY(-2px);
     box-shadow: 0 15px 35px -5px rgba(99, 102, 241, 0.5);
     color: #ffffff;
 }

 .btn-secondary-glass {
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid var(--border-color);
     color: var(--text-primary);
     backdrop-filter: var(--glass-blur);
 }

 .btn-secondary-glass:hover {
     background: rgba(255, 255, 255, 0.1);
     border-color: var(--border-color-hover);
     transform: translateY(-2px);
     color: var(--text-primary);
 }

 .section-tag {
     display: inline-flex;
     align-items: center;
     gap: 8px;
     padding: 6px 16px;
     border-radius: var(--radius-full);
     background: rgba(99, 102, 241, 0.1);
     border: 1px solid rgba(99, 102, 241, 0.2);
     color: #a5b4fc;
     font-size: 0.85rem;
     font-weight: 600;
     letter-spacing: 0.05em;
     text-transform: uppercase;
     margin-bottom: 16px;
 }

 .section-title {
     font-size: clamp(2rem, 4vw, 3rem);
     font-weight: 800;
     letter-spacing: -0.02em;
     line-height: 1.15;
     margin-bottom: 16px;
 }

 .section-subtitle {
     font-size: clamp(1rem, 1.5vw, 1.125rem);
     color: var(--text-secondary);
     max-width: 650px;
     margin: 0 auto 48px auto;
 }

 /* Scroll Reveal Animation Base */
 .reveal {
     opacity: 0;
     transform: translateY(30px);
     transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
     will-change: opacity, transform;
 }

 .reveal.active {
     opacity: 1;
     transform: translateY(0);
 }
 .text-align {
     text-align: center;
 }
 .home-blue {
     color: rgb(89, 89, 216) !important;
 }
 @media (max-width: 506px) {
    .margin {
        margin-bottom: 0.6rem;
    }
 }
 @media (max-width: 454px) {
    .margin-btn {
        margin-bottom: 0.7rem;
    }
 }

 /* ==========================================================================
   THEME TOGGLE BUTTON STYLES (CONTACT PAGE)
   ========================================================================== */
.dark-white-toggle-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    color: var(--text-primary, #ffffff);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md, 14px);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s linear;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark-white-toggle-btn:hover {
    background: var(--brand-accent, #6366f1);
    color: #ffffff;
    border-color: var(--brand-accent, #6366f1);
    transform: translateY(-2px);
}

/* ==========================================================================
   CONTACT PAGE WHITE / LIGHT MODE OVERRIDES
   ========================================================================== */
body.light-mode {
    --bg-dark: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --border-color: rgba(15, 23, 42, 0.12);
    --border-color-hover: rgba(99, 102, 241, 0.4);

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --glass-bg: #ffffff;
    --glass-border: rgba(15, 23, 42, 0.1);
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.05);
}

/* Header & Toggle Button Light Mode */
body.light-mode .header-nav.scrolled {
    background: rgba(248, 250, 252, 0.85);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

body.light-mode .dark-white-toggle-btn {
    background: #ffffff;
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

body.light-mode .dark-white-toggle-btn:hover {
    background: var(--brand-accent);
    color: #ffffff;
}

/* Glass Cards & Social Cards */
body.light-mode .glass-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

body.light-mode .glass-card:hover {
    border-color: var(--brand-accent) !important;
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.12);
}

body.light-mode .social-icon,
body.light-mode .floating-icon {
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.1);
}

/* Form Controls & Floating Labels */
body.light-mode .form-control-input {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.15);
    color: #0f172a;
}

body.light-mode .form-control-input:focus {
    border-color: var(--brand-accent);
    background: rgba(99, 102, 241, 0.02);
}

body.light-mode .form-control-input:focus~.floating-label,
body.light-mode .form-control-input:not(:placeholder-shown)~.floating-label {
    background: #ffffff;
    color: var(--brand-accent);
}

/* Secondary Button Overrides */
body.light-mode .btn-secondary-glass {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.15);
    color: #0f172a;
}

body.light-mode .btn-secondary-glass:hover {
    background: #f1f5f9;
    border-color: var(--brand-accent);
    color: var(--brand-accent);
}

/* Resume CTA Banner Gradient Override */
body.light-mode #resumeCTA .glass-card {
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%) !important;
    border-color: rgba(99, 102, 241, 0.2) !important;
}

/* FAQ Accordion Light Mode */
body.light-mode .faq-item {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.1);
}

/* Footer Section */
body.light-mode .site-footer {
    background: #f1f5f9;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

/* Back to top button */
body.light-mode .back-to-top {
    background: #ffffff;
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.15);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

body.light-mode .back-to-top:hover {
    border-color: var(--brand-accent);
    color: var(--brand-accent);
}

 /* ==========================================================================
       4. HEADER & NAVBAR SECTION
       ========================================================================== */
 .header-nav {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     z-index: 1000;
     padding: 20px 0;
     transition: padding var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
 }

 .header-nav.scrolled {
     padding: 12px 0;
     background: rgba(7, 9, 14, 0.8);
     backdrop-filter: blur(20px);
     -webkit-backdrop-filter: blur(20px);
     border-bottom: 1px solid var(--border-color);
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
 }

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

 .brand-logo {
     font-size: 1.35rem;
     font-weight: 800;
     letter-spacing: -0.03em;
     display: flex;
     align-items: center;
     gap: 10px;
 }

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

 .nav-menu {
     display: flex;
     align-items: center;
     gap: 32px;
     list-style: none;
 }

 .nav-link {
     font-size: 0.95rem;
     font-weight: 500;
     color: var(--text-secondary);
     position: relative;
     padding: 6px 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(--brand-gradient);
     transition: width var(--transition-fast);
     border-radius: var(--radius-full);
 }

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

 /* Mobile Hamburger Trigger */
 .mobile-toggle {
     display: none;
     background: none;
     border: none;
     cursor: pointer;
     width: 40px;
     height: 40px;
     position: relative;
     z-index: 1001;
 }

 .mobile-toggle span {
     display: block;
     width: 24px;
     height: 2px;
     background: var(--text-primary);
     margin: 5px auto;
     transition: transform var(--transition-fast), opacity var(--transition-fast);
 }

 /* ==========================================================================
       5. HERO SECTION
       ========================================================================== */
 .hero-section {
     position: relative;
     padding: 180px 0 100px 0;
     overflow: hidden;
 }

 .hero-bg-glow {
     position: absolute;
     top: -10%;
     left: 50%;
     transform: translateX(-50%);
     width: 600px;
     height: 600px;
     background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.05) 50%, rgba(0, 0, 0, 0) 70%);
     filter: blur(80px);
     pointer-events: none;
     z-index: -1;
 }

 .breadcrumb-nav {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 10px;
     font-size: 0.875rem;
     color: var(--text-muted);
     margin-bottom: 24px;
 }

 .breadcrumb-nav a:hover {
     color: var(--brand-accent);
 }

 .hero-card {
     padding: 48px;
     text-align: center;
     position: relative;
 }

 .floating-icon {
     position: absolute;
     width: 50px;
     height: 50px;
     border-radius: var(--radius-md);
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid var(--border-color);
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
     animation: float 6s ease-in-out infinite;
 }

 .floating-icon-1 {
     top: 20px;
     left: 30px;
     animation-delay: 0s;
 }

 .floating-icon-2 {
     bottom: 30px;
     right: 40px;
     animation-delay: 2s;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0) rotate(0deg);
     }

     50% {
         transform: translateY(-15px) rotate(5deg);
     }
 }

 /* ==========================================================================
       6. CONTACT INFO CARDS SECTION
       ========================================================================== */
 .info-card {
     padding: 32px;
     height: 100%;
     display: flex;
     flex-direction: column;
     align-items: flex-start;
     gap: 16px;
 }

 .info-icon-wrapper {
     width: 56px;
     height: 56px;
     border-radius: var(--radius-md);
     background: rgba(99, 102, 241, 0.1);
     border: 1px solid rgba(99, 102, 241, 0.2);
     display: flex;
     align-items: center;
     justify-content: center;
     color: var(--brand-accent);
     font-size: 1.5rem;
 }

 .info-card h3 {
     font-size: 1.25rem;
     font-weight: 700;
 }

 .info-card p {
     color: var(--text-secondary);
     font-size: 0.95rem;
 }

 .info-card-link {
     font-weight: 600;
     color: var(--text-primary);
     display: inline-flex;
     align-items: center;
     gap: 6px;
     margin-top: auto;
 }

 .info-card-link:hover {
     color: var(--brand-accent);
 }

 /* ==========================================================================
       7. CONTACT FORM SECTION
       ========================================================================== */
 .form-wrapper {
     padding: 48px;
 }

 .form-group {
     position: relative;
     margin-bottom: 24px;
 }

 .form-control-input {
     width: 100%;
     padding: 16px 20px;
     background: rgba(255, 255, 255, 0.02);
     border: 1px solid var(--border-color);
     border-radius: var(--radius-sm);
     color: var(--text-primary);
     font-size: 1rem;
     transition: border-color var(--transition-fast), background var(--transition-fast);
 }

 .form-control-input:focus {
     outline: none;
     border-color: var(--brand-accent);
     background: rgba(99, 102, 241, 0.03);
 }

 textarea.form-control-input {
     min-height: 150px;
     resize: vertical;
 }

 .floating-label {
     position: absolute;
     left: 20px;
     top: 16px;
     color: var(--text-muted);
     pointer-events: none;
     transition: 0.2s ease all;
     font-size: 0.95rem;
 }

 .form-control-input:focus~.floating-label,
 .form-control-input:not(:placeholder-shown)~.floating-label {
     top: -10px;
     left: 12px;
     font-size: 0.75rem;
     padding: 2px 8px;
     background: var(--bg-surface-elevated);
     color: var(--brand-accent);
     border-radius: 4px;
 }

 .form-feedback {
     display: none;
     padding: 16px;
     border-radius: var(--radius-sm);
     margin-bottom: 24px;
     font-size: 0.95rem;
 }

 .form-feedback.success {
     background: rgba(34, 197, 94, 0.1);
     border: 1px solid rgba(34, 197, 94, 0.3);
     color: #4ade80;
 }

 .form-feedback.error {
     background: rgba(239, 68, 68, 0.1);
     border: 1px solid rgba(239, 68, 68, 0.3);
     color: #f87171;
 }

 /* ==========================================================================
       8. MAP & SOCIAL HUB SECTIONS
       ========================================================================== */
 .map-container {
     overflow: hidden;
     border-radius: var(--radius-lg);
     border: 1px solid var(--border-color);
     box-shadow: var(--shadow-premium);
     height: 400px;
 }

 .map-container iframe {
     width: 100%;
     height: 100%;
     border: 0;
 }

 .social-card {
     padding: 28px;
     display: flex;
     align-items: center;
     gap: 20px;
     height: 100%;
 }

 .social-icon {
     width: 48px;
     height: 48px;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.05);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.25rem;
     flex-shrink: 0;
 }

 /* ==========================================================================
       9. FAQ ACCORDION SECTION
       ========================================================================== */
 .faq-item {
     border: 1px solid var(--border-color);
     border-radius: var(--radius-md);
     margin-bottom: 16px;
     overflow: hidden;
     background: var(--glass-bg);
     transition: border-color var(--transition-fast);
 }

 .faq-header {
     width: 100%;
     padding: 20px 24px;
     background: none;
     border: none;
     display: flex;
     align-items: center;
     justify-content: space-between;
     text-align: left;
     font-size: 1.05rem;
     font-weight: 600;
     color: var(--text-primary);
     cursor: pointer;
 }

 .faq-icon {
     transition: transform var(--transition-smooth);
     color: var(--brand-accent);
 }

 .faq-item.active .faq-icon {
     transform: rotate(180deg);
 }

 .faq-body {
     max-height: 0;
     overflow: hidden;
     transition: max-height var(--transition-smooth), padding var(--transition-smooth);
     padding: 0 24px;
     color: var(--text-secondary);
     font-size: 0.95rem;
 }

 .faq-item.active .faq-body {
     padding: 0 24px 20px 24px;
 }

 /* ==========================================================================
       10. FOOTER SECTION
       ========================================================================== */
 .site-footer {
     background: #040609;
     border-top: 1px solid var(--border-color);
     padding: 80px 0 30px 0;
     margin-top: 100px;
 }

 .footer-heading {
     font-size: 1rem;
     font-weight: 700;
     margin-bottom: 20px;
     color: var(--text-primary);
 }

 .footer-links {
     list-style: none;
 }

 .footer-links li {
     margin-bottom: 12px;
 }

 .footer-links a {
     color: var(--text-secondary);
     font-size: 0.9rem;
 }

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

 .footer-bottom {
     padding-top: 30px;
     margin-top: 60px;
     border-top: 1px solid rgba(255, 255, 255, 0.05);
     font-size: 0.85rem;
     color: var(--text-muted);
 }

 /* ==========================================================================
       11. BACK TO TOP BUTTON
       ========================================================================== */
 .back-to-top {
     position: fixed;
     bottom: 30px;
     right: 30px;
     width: 48px;
     height: 48px;
     border-radius: 50%;
     background: var(--glass-bg);
     backdrop-filter: var(--glass-blur);
     border: 1px solid var(--border-color);
     color: var(--text-primary);
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     opacity: 0;
     visibility: hidden;
     transition: opacity var(--transition-smooth), visibility var(--transition-smooth), transform var(--transition-fast);
     z-index: 999;
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
 }

 .back-to-top.visible {
     opacity: 1;
     visibility: visible;
 }

 .back-to-top:hover {
     transform: translateY(-4px);
     border-color: var(--brand-accent);
     color: var(--brand-accent);
 }

 /* ==========================================================================
       12. RESPONSIVE MEDIA QUERIES
       ========================================================================== */
 @media (max-width: 991px) {
     .nav-menu {
         position: fixed;
         top: 0;
         right: -100%;
         width: 80%;
         max-width: 400px;
         height: 100vh;
         background: var(--bg-surface-elevated);
         flex-direction: column;
         justify-content: center;
         padding: 40px;
         transition: right var(--transition-smooth);
         box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
     }

     .nav-menu.active {
         right: 0;
     }

     .mobile-toggle {
         display: block;
     }

     .hero-section {
         padding: 14px 0 60px 0;
     }

     .hero-card,
     .form-wrapper {
         padding: 24px;
     }
 }

 /* Accessibility: Reduced Motion Support */
 @media (prefers-reduced-motion: reduce) {

     *,
     ::before,
     ::after {
         animation-duration: 0.01ms !important;
         animation-iteration-count: 1 !important;
         transition-duration: 0.01ms !important;
         scroll-behavior: auto !important;
     }
 }

 /* 1. Page Section scroll Offset fix करण्यासाठी */
 section[id],
 div[id] {
     scroll-margin-top: 100px;
     /* Fixed navbar cha overlap rokhnyasathi */
 }

 /* 2. Mobile visual spacing fix */
 @media (max-width: 991px) {
     .hero-section {
         padding: 120px 0 60px 0;
         /* Padding thodi wadhawli ahe */
     }

     .hero-card {
         margin-top: 10px;
         /* Hero card la top spacing dilam */
     }
 }