/* Background Gradient */
body {
    font-family: Arial, sans-serif;
    margin: 40px;

    /* Animated greenish-blue gradient */
    background: linear-gradient(90deg, #00ffa6, #00c8ff, #0077ff);
    background-size: 300% 300%;
    animation: gradientMove 6s ease infinite;

    text-align: center;
    opacity: 0;
    transition: opacity 0.6s ease;
}

/* Gradient animation */
@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}


/* Fade-in animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glassmorphism Container */
.hero, nav, footer, .logo {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 20px;
    margin: 20px auto;
    width: 80%;
    max-width: 700px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    animation: slideUp 0.8s ease forwards;
}

/* Slide-up

/* Professional Navigation */
/* Professional Navigation */
.main-nav {
    margin-top: 30px;
}

.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 420px;
}

/* Nav Button Style */
.main-nav a {
    position: relative;
    overflow: hidden;

    display: flex;
    align-items: center;
    gap: 12px;

    padding: 14px 25px;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    color: #222;

    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-radius: 14px;

    box-shadow:
        6px 6px 14px rgba(0,0,0,0.15),
        -6px -6px 14px rgba(255,255,255,0.6);

    transition: all 0.25s ease;
}

/* Icon Styling */
.main-nav a i {
    font-size: 22px;
    color: #0a4f52;
    transition: 0.25s ease;
}

/* Hover Effects */
.main-nav a:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow:
        4px 4px 10px rgba(0,0,0,0.18),
        -4px -4px 10px rgba(255,255,255,0.7);
    background: rgba(255, 255, 255, 0.45);
}

.main-nav a:hover i {
    transform: scale(1.15);
}

/* Ripple Animation */
.main-nav a::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255,255,255,0.7);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.5s ease, opacity 0.6s ease;
    left: var(--ripple-x);
    top: var(--ripple-y);
}



.main-nav a:hover::after {
    transform: scale(18);
    opacity: 0.15;
}

/* Responsive */
@media (max-width: 600px) {
    .main-nav ul {
        max-width: 90%;
    }

    .main-nav a {
        font-size: 18px;
        padding: 12px 20px;
    }

    .main-nav a i {
        font-size: 20px;
    }
}

/* Professional Button Style */
.main-nav a {
    display: block;
    padding: 14px 25px;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    color: #222;

    /* Glassmorphism */
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-radius: 14px;

    /* Neumorphism shadow */
    box-shadow:
        6px 6px 14px rgba(0,0,0,0.15),
        -6px -6px 14px rgba(255,255,255,0.6);

    transition: all 0.25s ease;
}

/* Hover Animation */
.main-nav a:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow:
        4px 4px 10px rgba(0,0,0,0.18),
        -4px -4px 10px rgba(255,255,255,0.7);
    background: rgba(255, 255, 255, 0.45);
}

/* Active/Pressed State */
.main-nav a:active {
    transform: scale(0.98);
    box-shadow:
        inset 3px 3px 8px rgba(0,0,0,0.2),
        inset -3px -3px 8px rgba(255,255,255,0.6);
}

/* Responsive Navigation */
@media (max-width: 600px) {
    .main-nav ul {
        max-width: 90%;
    }

    .main-nav a {
        font-size: 18px;
        padding: 12px 20px;
    }
}

/* Page Fade-In */
body {
    opacity: 0;
    transition: opacity 0.6s ease;
}

/* When page is fully loaded */
body.page-loaded {
    opacity: 1;
}

/* Fade-Out Transition */
.fade-out {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}