:root {
     --primary-blue: #007BFF;
     --navy-deep: #0A192F;
     --navy-light: #1A2B48;
     --soft-white: #F8FAFC;
     --glass-white: rgba(255, 255, 255, 0.92);
     --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
 }

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

 .brand-bg {
     background: radial-gradient(circle at top right, #e0f2ff, #ffffff, #f1f5f9);
     font-family: 'Poppins', sans-serif;
 }

 /* --- Navigation Core --- */
 .main-navigation {
     position: fixed;
     top: 30px;
     left: 50%;
     transform: translateX(-50%);
     width: 95%;
     max-width: 1400px;
     background: var(--glass-white);
     backdrop-filter: blur(20px);
     border: 1.5px solid rgba(255, 255, 255, 0.5);
     border-radius: 30px;
     padding: 15px 40px;
     z-index: 1000;
     box-shadow: 0 15px 45px rgba(10, 25, 47, 0.08);
     transition: var(--transition);
 }

 .main-navigation.scrolled {
     top: 0;
     width: 100%;
     border-radius: 0;
     padding: 10px 6%;
     border: none;
     box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
 }

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

 .brand-identity {
     display: flex;
     align-items: center;
     gap: 15px;
 }

 .main-logo {
     height: 55px;
     width: auto;
 }

 /* Branding Text Fixed */
 .brand-text {
     display: flex;
     flex-direction: column;
     justify-content: center;
 }

 .brand-text .name {
     font-family: 'Montserrat', sans-serif;
     font-weight: 800;
     font-size: 1.5rem;
     color: var(--navy-deep);
     letter-spacing: 1px;
     line-height: 1;
     /* Tight line height to keep tagline close */
 }

 .brand-text .tagline {
     font-size: 0.72rem;
     color: var(--primary-blue);
     font-weight: 600;
     text-transform: uppercase;
     margin-top: 2px;
     display: block;
 }

 /* Desktop Nav Links */
 .nav-links {
     display: flex;
     list-style: none;
     gap: 45px;
 }

 .link-item {
     text-decoration: none;
     color: var(--navy-light);
     font-weight: 600;
     font-size: 1.05rem;
     position: relative;
     padding: 5px 0;
     transition: var(--transition);
     display: flex;
     align-items: center;
     gap: 10px;
 }

 .link-item i {
     display: none;
 }

 /* Hide on desktop */
 .link-item:hover,
 .link-item.active {
     color: var(--primary-blue);
 }

 .link-item::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     width: 0%;
     height: 3px;
     background: var(--primary-blue);
     border-radius: 50px;
     transition: var(--transition);
 }

 .link-item:hover::after {
     width: 100%;
 }

 /* CTA Button */
 .btn-talk {
     display: flex;
     align-items: center;
     background: var(--navy-deep);
     padding: 8px 10px 8px 30px;
     border-radius: 60px;
     text-decoration: none;
     color: white;
     font-weight: 600;
     gap: 20px;
     transition: var(--transition);
 }

 .btn-icon {
     width: 45px;
     height: 45px;
     background: var(--primary-blue);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.2rem;
 }

 .mobile-menu-btn {
     display: none;
     flex-direction: column;
     gap: 6px;
     cursor: pointer;
     z-index: 2000;
 }

 .mobile-menu-btn span {
     width: 30px;
     height: 3px;
     background: var(--navy-deep);
     border-radius: 10px;
     transition: var(--transition);
 }

 /* --- Updated Toggle Menu --- */
 @media (max-width: 768px) {

     .brand-text,
     .cta-section {
         display: none;
     }

     .mobile-menu-btn {
         display: flex;
     }

     .nav-links {
         position: fixed;
         right: -100%;
         top: 0;
         height: 100vh;
         width: 85%;
         max-width: 320px;
         background: #f0f7ff;
         flex-direction: column;
         justify-content: flex-start;
         padding-top: 100px;
         padding-left: 25px;
         gap: 10px;
         box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
         transition: 0.5s cubic-bezier(0.85, 0, 0.15, 1);
     }

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

     .link-item {
         font-size: 1.2rem;
         padding: 15px;
         width: 90%;
         color: var(--navy-deep);
         border-radius: 12px;
         background: white;
         margin-bottom: 5px;
     }

     .link-item i {
         display: inline-block;
         color: var(--primary-blue);
         font-size: 1.1rem;
     }

     .link-item.active {
         background: var(--primary-blue);
         color: white;
     }

     .link-item.active i {
         color: white;
     }

     .link-item::after {
         display: none;
     }

     .mobile-menu-btn.active span:nth-child(1) {
         transform: translateY(9px) rotate(45deg);
     }

     .mobile-menu-btn.active span:nth-child(2) {
         opacity: 0;
     }

     .mobile-menu-btn.active span:nth-child(3) {
         transform: translateY(-9px) rotate(-45deg);
     }
 }

 /* Arrow Move Animation on Hover */
 .btn-talk:hover .btn-icon i {
     animation: arrowNudge 0.6s infinite alternate ease-in-out;
 }

 @keyframes arrowNudge {
     from {
         transform: translateX(0);
     }

     to {
         transform: translateX(5px);
     }
 }

 /* Arrow Speed up on Click (Active state) */
 .btn-talk:active .btn-icon i {
     transform: translateX(20px);
     transition: 0.2s ease-in;
     opacity: 0;
 }

 /* Background change on hover - pure black for premium feel */
 .btn-talk:hover {
     background: #000;
     box-shadow: 0 10px 25px rgba(0, 123, 255, 0.4);
 }

 /* Tablet aur Nest Hub ke liye adjustment */
 @media (max-width: 1100px) {
     .nav-links {
         gap: 20px;
         /* Gap kam kar diya */
     }

     .link-item {
         font-size: 0.95rem;
         /* Font thoda chota */
     }

     .main-navigation {
         padding: 15px 25px;
         /* Side padding kam kar di */
     }
 }

 /* Yahan se mobile menu shuru hoga */
 @media (max-width: 992px) {

     .brand-text,
     .cta-section {
         display: none;
         /* Nest Hub jaise sizes par button hide karke menu clean rakhein */
     }

     .mobile-menu-btn {
         display: flex;
     }

     /* ... baki aapka mobile menu ka purana code ... */
 }