* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Montserrat', sans-serif;
            background: #FBFBFC;  /* logo white background */
            color: #141515;        /* logo dark text */
            overflow-x: hidden;
            scroll-behavior: smooth;
            font-size: 14px;
        }

        /* Logo‑exact color palette – unchanged */
        :root {
            --primary: #0EC3F4;           /* bright blue from cube */
            --primary-dark: #0C9EC0;       /* slightly deeper for hover */
            --primary-light: #9FE4FF;       /* very light tint */
            --primary-glow: rgba(14, 195, 244, 0.4);
            --secondary: #527493;           /* slate blue from darker side */
            --accent: #527493;               /* using same slate for accents */
            --dark-bg: #EAF2F9;               /* very light sky background (near white) */
            --dark-card: #FFFFFF;              /* pure white cards */
            --dark-light: #F0F7FD;              /* off‑white for gradients */
            --text-light: #141515;              /* dark for light backgrounds */
            --text-muted: #3F5468;               /* slate‑toned muted (from #527493) */
            --gradient-1: linear-gradient(135deg, #0EC3F4, #527493);
            --gradient-2: linear-gradient(135deg, #527493, #0EC3F4);
            --gradient-3: linear-gradient(135deg, #0EC3F4, #3F7A9E);
            --shadow-1: 0 10px 30px -5px rgba(14, 195, 244, 0.3);
            --shadow-2: 0 20px 40px -10px rgba(20, 21, 21, 0.15);
            --border-glow: 0 0 15px rgba(14, 195, 244, 0.5);
        }

        /* Custom Cursor */
        .cursor {
            width: 20px;
            height: 20px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 9999;
            transition: 0.1s;
            transform: translate(-50%, -50%);
        }

        .cursor-follower {
            width: 40px;
            height: 40px;
            background: rgba(14, 195, 244, 0.1);
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 9998;
            transition: 0.3s;
            transform: translate(-50%, -50%);
        }



/* ========= NAVBAR ========= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(14, 195, 244, 0.25);
    padding: 10px 5%;
    z-index: 1000;
    box-shadow: 0 10px 35px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--primary);
    box-shadow: 0 10px 40px rgba(14,195,244,0.15);
}

/* ========= CONTAINER ========= */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ========= LOGO ========= */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-3d {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    color: white;
    box-shadow: 0 10px 20px var(--primary-glow);
    animation: float 3s ease-in-out infinite;
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #141515, #0EC3F4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

/* ========= NAV MENU ========= */
.nav-menu {
    display: flex;
    gap: 28px;
    align-items: center;
}

/* ========= NAV LINKS ========= */
.nav-link {
    color: #141515;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.3px;
    position: relative;
    padding: 6px 0;
    transition: all 0.3s ease;
}

/* underline animation */
.nav-link:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

/* hover effect (ONLY here blue appears) */
.nav-link:hover {
    color: var(--primary);
    text-shadow: 0 0 12px var(--primary-glow);
}

.nav-link:hover:before {
    width: 100%;
}

/* ========= ACTIVE LINK (NO BLUE COLOR) ========= */
.nav-link.active {
    color: #141515;      /* keep normal color */
    font-weight: 700;    /* slightly bold */
}

.nav-link.active:before {
    width: 100%;         /* underline only */
}

/* ========= CTA BUTTON ========= */
.nav-cta {
    background: var(--gradient-1);
    color: white;
    padding: 10px 26px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 6px 20px var(--primary-glow);
    transition: all 0.3s ease;
}

.nav-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-cta:hover:before {
    left: 0;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

/* ========= MOBILE ========= */
.mobile-toggle {
    display: none;
    font-size: 26px;
    color: var(--primary);
    cursor: pointer;
}

/* MOBILE MENU */
.mobile-menu {
    display: none;
    flex-direction: column;
    background: #FFFFFF;
    border-radius: 16px;
    padding: 18px;
    margin-top: 16px;
    border: 1px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.mobile-menu a {
    color: #141515;
    text-decoration: none;
    padding: 12px 0;
    border-bottom: 1px solid rgba(20,21,21,0.08);
    font-weight: 600;
    font-size: 14px;
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* ========= ANIMATION ========= */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(5deg); }
}

/* ========= RESPONSIVE ========= */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .mobile-menu.active {
        display: flex;
    }
}
/* Hero Section (top padding adjusted) */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 5% 0;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background: #0b1c2a;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #0EC3F4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 17px;
    color: #cfdeee;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 36px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-size: 15px;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 10px 30px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px var(--primary-glow);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: #ffffff;
    background: transparent;
}

.btn-outline:hover {
    background: rgba(14, 195, 244, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

.hero-3d {
    position: relative;
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ✅ SMOOTH + CENTERED CARD */
.floating-card {
    background: rgba(10, 30, 45, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(14, 195, 244, 0.5);
    border-radius: 30px;
    padding: 40px;

    position: relative;
    margin: 0 auto;

    transform: translateY(0);

    box-shadow: 20px 20px 40px rgba(0,0,0,0.6),
                0 0 40px rgba(14,195,244,0.3);

    /* 🔥 ULTRA SMOOTH FLOAT */
    animation: float-card 6s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

/* ✅ BUTTERY SMOOTH ANIMATION */
@keyframes float-card {
    0%   { transform: translateY(0); }
    25%  { transform: translateY(-6px); }
    50%  { transform: translateY(-12px); }
    75%  { transform: translateY(-6px); }
    100% { transform: translateY(0); }
}

.floating-card img {
    width: 100%;
    border-radius: 20px;
    opacity: 0.95;
    border: 1px solid var(--primary);
}

section {
    padding: 80px 5%;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #141515, #0EC3F4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-muted);
    font-size: 17px;
}

       

/* Technologies Section */
.tech-section {
    background: linear-gradient(135deg, #FFFFFF, #F0F7FD);
    padding: 80px 5%;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-item {
    background: #074a64;
    border: 1px solid rgba(1, 44, 56, 0.2);
    border-radius: 12px;
    padding: 20px 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 15px rgba(0,0,0,0.05);
}

.tech-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 15px 25px var(--primary-glow);
}

.tech-item img {
    width: 45px;
    height: 45px;
    margin-bottom: 12px;
    object-fit: contain;
}

.tech-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: #141515;
    margin: 0;
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    
    .tech-item {
        padding: 18px 10px;
    }
    
    .tech-item img {
        width: 40px;
        height: 40px;
        margin-bottom: 10px;
    }
    
    .tech-item h4 {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .tech-item {
        padding: 15px 8px;
    }
    
    .tech-item img {
        width: 35px;
        height: 35px;
        margin-bottom: 8px;
    }
    
    .tech-item h4 {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .tech-item {
        padding: 12px 6px;
    }
    
    .tech-item img {
        width: 30px;
        height: 30px;
        margin-bottom: 6px;
    }
    
    .tech-item h4 {
        font-size: 12px;
    }
}


        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
            }
            .timeline:before {
                left: 40px;
            }
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 70px;
            }
            .timeline-content:before {
                left: -44px !important;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .clinic-grid {
                grid-template-columns: 1fr;
            }
        }