:root {
            --primary:      #00c4b4;
            --primary-dark: #009688;
            --accent:       #4db6ac;
            --accent-light: #b2dfdb;
            --dark:         #0a2533;
            --darker:       #041822;
            --glass:        rgba(10, 37, 51, 0.48);
            --glass-border: rgba(77, 182, 172, 0.28);
            --text:         #f0fafa;
            --text-light:   #e0f2f1;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background: var(--darker)!important;
            color: var(--text)!Important;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(circle at 12% 18%, rgba(0,196,180,0.05) 0%, transparent 45%),
                radial-gradient(circle at 88% 82%, rgba(77,182,172,0.04) 0%, transparent 50%),
                linear-gradient(135deg, transparent 48%, rgba(0,196,180,0.018) 50%, transparent 52%);
            background-size: 140px 140px;
            opacity: 0.35;
            pointer-events: none;
            z-index: -2;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
            letter-spacing: 1px;
        }

       .navbar {
    background: rgba(10, 37, 51, 0.92) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 196, 180, 0.12);
    transition: all 0.35s ease;
    padding: 1.1rem 0;
}

.navbar.scrolled {
    background: rgba(4, 24, 34, 0.97) !important;
    padding: 0.9rem 0;
    box-shadow: 0 6px 25px rgba(0,0,0,0.4);
}

.navbar-brand {
    font-size: 1.9rem;
    font-weight: 700;
    color: #00c4b4 !important;
    letter-spacing: 1.2px;
}

.navbar-brand i {
    color: #4db6ac;
}

.nav-link {
    color: #e0f2f1 !important;
    font-weight: 500;
    padding: 0.65rem 1.3rem !important;
    position: relative;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.nav-link i {
    transition: transform 0.3s ease;
}

.nav-link:hover i {
    transform: scale(1.2);
}

.nav-link:hover,
.nav-link.active {
    color: #00c4b4 !important;
    background: rgba(0,196,180,0.08);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2.5px;
    bottom: 8px;
    left: 50%;
    background: #00c4b4;
    box-shadow: 0 0 12px rgba(0,196,180,0.5);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

/* Mobile menu */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(4, 24, 34, 0.97);
        backdrop-filter: blur(10px);
        margin-top: 1rem;
        padding: 1.5rem;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    .nav-link {
        padding: 0.9rem 1.5rem !important;
    }

    .nav-link:hover {
        background: rgba(0,196,180,0.12);
    }
}

.navbar-toggler {
    border: none;
    color: #00c4b4;
    font-size: 1.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

        /* Hero */
        #hero {
            min-height: 100vh;
            position: relative;
            display: flex;
            align-items: center;
            padding: 140px 0 100px;
            overflow: hidden;
        }

        .hero-bg-layer {
            position: absolute;
            inset: 0;
            pointer-events: none;
            z-index: 0;
        }

        .bg-shape {
            position: absolute;
            border-radius: 50%;
            background: transparent;
            border: 1.5px solid rgba(0,196,180,0.16);
            animation: float-medical 22s infinite ease-in-out;
        }

        .bg-shape.large  { width: 480px; height: 480px; animation-duration: 28s; }
        .bg-shape.medium { width: 320px; height: 320px; animation-duration: 24s; }
        .bg-shape.small  { width: 180px; height: 180px; animation-duration: 18s; }

        .bg-dot {
            width: 7px; height: 7px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 14px var(--accent);
            animation: pulse-dot 9s infinite ease-in-out;
        }

        .bg-medical-icon {
            font-size: 3.8rem;
            color: rgba(77,182,172,0.22);
            animation: rotate-float 50s linear infinite;
        }

        @keyframes float-medical {
            0%,100% { transform: translate(0,0) rotate(0deg); }
            25%     { transform: translate(100px,-80px) rotate(18deg); }
            50%     { transform: translate(-60px,120px) rotate(-12deg); }
            75%     { transform: translate(80px,60px) rotate(22deg); }
        }

        @keyframes pulse-dot {
            0%,100% { transform: scale(1); opacity: 0.55; }
            50%     { transform: scale(2.4); opacity: 0.92; }
        }

        @keyframes rotate-float {
            from { transform: rotate(0deg); }
            to   { transform: rotate(360deg); }
        }

        .hero-title {
            font-size: 6.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary), var(--accent), #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 55px rgba(0,196,180,0.65);
            line-height: 1.05;
        }

        .hero-subtitle {
            font-size: 1.6rem;
            max-width: 680px;
            line-height: 1.7;
            color: var(--text-light);
        }

        .btn-neon {
            background: transparent;
            border: 3px solid var(--primary);
            color: var(--primary);
            padding: 18px 52px;
            font-size: 1.35rem;
            font-weight: 600;
            border-radius: 60px;
            transition: all 0.55s;
            box-shadow: 0 0 32px rgba(0,196,180,0.48);
        }

        .btn-neon:hover {
            background: var(--primary);
            color: #000;
            box-shadow: 0 0 75px var(--primary);
            transform: translateY(-5px);
        }

        .hero-image img {
            width: 100%;
            max-width: 620px;
            transform: perspective(1400px) rotateY(10deg);
            transition: all 0.9s ease;
        }

        .hero-image img:hover {
            transform: perspective(1400px) rotateY(2deg) scale(1.04);
        }

        /* Common section styles */
        section:not(#hero) { padding: 50px 0; }
#about, #services {
    background: linear-gradient(to top, var(--darker), var(--dark));}
        .section-title {
        font-size: 50px;
    text-align: center;
    margin-bottom: 3.5rem;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .glass-card {
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 28px;
            padding: 2.8rem;
            transition: all 0.6s;
            box-shadow: 0 12px 45px rgba(0,0,0,0.45);
        }

        .glass-card:hover {
            transform: translateY(-18px) scale(1.035);
            box-shadow: 0 30px 70px rgba(0,196,180,0.3);
            border-color: var(--primary);
        }

        /* Timeline */

        .timeline {
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            box-shadow: 0 0 20px rgba(0,196,180,0.4);
            z-index: 1;
        }

        .timeline-item {
            position: relative;
            flex: 1 1 22%;
            text-align: center;
            z-index: 2;
            min-width: 240px;
        }

        .timeline-icon {
            width: 85px;
            height: 85px;
            background: var(--glass);
            border: 3px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.4rem;
            transition: all 0.5s;
            box-shadow: 0 0 25px rgba(0,196,180,0.35);
        }

        .timeline-item:hover .timeline-icon {
            transform: scale(1.15);
            border-color: var(--accent);
        }

        .timeline-content {
            background: var(--glass);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 1.4rem;
            min-height: 170px;
        }

        /* Footer */
        footer {
            background: linear-gradient(to top, var(--darker), var(--dark));
            padding: 5rem 0 3rem;
            border-top: 2px solid var(--glass-border);
        }

        .footer-brand {
            font-size: 2.3rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }

        .footer-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 400px;
            margin-bottom: 1.8rem;
        }

        .footer-social a {
            font-size: 1.9rem;
            color: var(--text-light);
            margin: 0 14px;
            transition: all 0.4s;
        }

        .footer-social a:hover {
            color: var(--primary);
            transform: translateY(-5px);
        }

    /* Scroll to Top Button */
   .scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00c4b4, #4db6ac);
    color: white;
    border: none;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 8px 25px rgba(0, 196, 180, 0.35);
    z-index: 9999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 196, 180, 0.5);
    background: linear-gradient(135deg, #4db6ac, #00c4b4);
}

.scroll-to-top:active {
    transform: translateY(0) scale(0.95);
}

/* Responsive – smaller on mobile */
@media (max-width: 576px) {
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1.2rem;
    }
}
    



    @media (max-width: 968px) {
      .menu-toggle { display: block; }
    .logo {
      font-size: 22px;
      font-weight: 900;
          width: 100%;
    }
    .timeline-item {
    width: 200px;}
      .nav-links {
        position: relative;
               width: 100%;
        inset: 82px 0 0 0;
        background: rgba(15,23,42,0.98);
        backdrop-filter: blur(14px);
        flex-direction: column;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.55s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        z-index: 999;        left: 54px;         top: 260px;
      }

      .nav-links.active { transform: translateX(0); }
      .nav-links a {        font-size: 20px;
        padding-top: 20px;  padding-bottom: 20px;}
        .nav-links {
    display: flex
;
    gap: 0.4rem;
    align-items: center;
}
    }
.footer-bottom{    position: relative;
    top: 40px;}
#contact .form-control {background-color: #fff!important;}
    @media (max-width: 480px) {

      #scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
      }
    }