/* Basic styling for the body */
body {
    font-family: 'Inter', sans-serif;
    transition: background-color 0.5s ease-in-out, color 0.5s ease-in-out;
    cursor: none; /* Custom cursor is handled by script.js */
    overflow-x: hidden; /* Prevents horizontal scrollbar */

    /* Base background color (a warm, off-white) */
    background-color: #F8F8F4;

    /* Background image properties for a subtle and smooth look */
    /* IMPORTANT: Replace 'path/to/your/background-image.jpg' with your actual image path. */
    /* A subtle texture, blurred abstract, or faint pattern works best. */
    background-image: url('https://placehold.co/1920x1080/E0E0E0/ffffff/png?text=Subtle+Background'); /* Placeholder - replace with your image */
    background-repeat: no-repeat; /* Prevents image from tiling */
    background-position: center center; /* Centers the image */
    background-size: cover; /* Ensures the image covers the entire body */
    background-attachment: fixed; /* Keeps the background image fixed while content scrolls */
    
    /* Overlay for the background image to make it more subtle ("washed out" effect) */
    /* Adjust rgba values for desired color and transparency (0.1 to 0.7 for opacity) */
    background-blend-mode: overlay; /* Experiment with 'multiply', 'soft-light', 'screen' etc. */
    background-color: rgba(255, 255, 255, 0.5); /* White overlay with 50% opacity for a lighter, smoother look */
}

/* Custom Scrollbar Styling for Webkit Browsers */
body::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

body::-webkit-scrollbar-track {
    background: #E8EBEF; /* Slightly darker track for depth */
    border-radius: 4px;
}

body::-webkit-scrollbar-thumb {
    background: #8FA8C9; /* Muted blue for the thumb */
    border-radius: 4px;
}

body::-webkit-scrollbar-thumb:hover {
    background: #6C8CAE; /* Darker hover for the thumb */
}

/* Navigation Link Active State */
.nav-link.active {
    position: relative;
    color: #1976D2; /* Deeper, mature blue for active links */
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 3px;
    background-color: #1976D2; /* Strong blue for active state indicator */
    border-radius: 2px;
    transform: scaleX(1);
    transition: transform 0.3s ease-out;
}

.nav-link:not(.active)::after {
    transform: scaleX(0); /* Hide indicator for inactive links */
}

/* Scroll to Top Button Styling */
#scrollToTopBtn {
    display: none; /* Hidden by default, shown by script.js */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: #D32F2F; /* Deeper earthy red/orange */
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
    transition: background-color 0.3s ease-in-out, transform 0.2s ease-in-out, box-shadow 0.3s ease-in-out;
}

#scrollToTopBtn:hover {
    background-color: #C62828; /* Darker hover state */
    transform: scale(1.15);
    box-shadow: 0 0 25px rgba(211, 47, 47, 0.7), 0 0 40px rgba(211, 47, 47, 0.4);
}

/* Error Message Styling for Forms */
.error-message {
    color: #ef4444; /* Clearly visible red for errors */
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
    text-shadow: 0 0 5px rgba(239, 68, 68, 0.3);
}

/* Custom Cursor Styling (Desktop Only) */
#custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none; /* Ensures cursor doesn't interfere with clicks */
    z-index: 9999;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(130, 177, 255, 0.8); /* Muted blue border */
    background-color: transparent;
    transform: translate(-50%, -50%); /* Centers the cursor icon */
    transition: width 0.2s ease-out, height 0.2s ease-out, border-color 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out;
}

#custom-cursor.grow {
    width: 40px;
    height: 40px;
    border-color: rgba(211, 47, 47, 0.9); /* Warm red/orange for grow state */
    background-color: rgba(211, 47, 47, 0.4);
    box-shadow: 0 0 20px rgba(211, 47, 47, 0.8), 0 0 35px rgba(211, 47, 47, 0.6);
}

/* General Glassy Effect for Sections and Cards */
.glassy-effect {
    background-color: rgba(255, 255, 255, 0.08); /* Slightly more opaque for better visibility */
    backdrop-filter: blur(25px) saturate(1.5); /* Stronger blur and saturation */
    -webkit-backdrop-filter: blur(25px) saturate(1.5);
    border: 1px solid rgba(255, 255, 255, 0.2); /* More visible border */
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.15), inset 0 0 25px rgba(173, 216, 230, 0.15); /* Enhanced shadow */
}

/* Glassy Effect for Header */
.header-glassy {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.98); /* Near opaque for prominent header */
    backdrop-filter: blur(30px) saturate(1.4); /* Stronger blur for header */
    -webkit-backdrop-filter: blur(30px) saturate(1.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

/* Keyframe Animations for Entrance Effects */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Animation Classes */
.animate-fade-in-down { animation: fadeInDown 0.8s ease-out forwards; opacity: 0; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; opacity: 0; }
.animate-scale-in { animation: scaleIn 0.8s ease-out forwards; opacity: 0; }

/* Animation Delay Utilities */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }
.animate-delay-500 { animation-delay: 0.5s; }
.animate-delay-600 { animation-delay: 0.6s; }

/* Animate On Scroll Effect */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Card Hover Effect */
.card-hover-effect {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.card-hover-effect:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(25, 118, 210, 0.5), /* Deeper blue shadow */
                0 0 50px rgba(211, 47, 47, 0.4),   /* Deeper red/orange shadow */
                inset 0 0 20px rgba(25, 118, 210, 0.3);
    border: 1px solid rgba(25, 118, 210, 0.9); /* Stronger blue border */
}

/* Section Title Styling with Animation */
.section-title {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 1s ease-out, transform 1s ease-out, text-shadow 0.5s ease-out;
    text-shadow: 0 0 12px rgba(211, 47, 47, 0.6), 0 0 25px rgba(211, 47, 47, 0.4);
}

.section-title.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Background Pattern for Home Section */
.bg-pattern {
    background-image: url('data:image/svg+xml,%3Csvg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%23ffffff" fill-opacity="0.04"%3E%3Cpath d="M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4H79v4h-1v-4h-9v4h-1v-4H69v4h-1v-4h-9v4h-1v-4H49v4h-1v-4h-9v4h-1v-4H29v4h-1v-4H19v4h-1v-4H9v4h-1v-4H0V95h4V85H0V75h4V65H0V55h4V45H0V35h4V25H0V15h4V5H0V4h96V0h1v4h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-10 0h-1v-9h1v9zm-9-9h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1zm-10 0h-1v-1h1v1z" stroke="none" /%3E%3C/g%3E%3C/svg%3E');
    background-size: 80px;
    background-repeat: repeat;
}

/* Home Section Gradient Background */
#home {
    background: linear-gradient(to right, #D32F2F, #FF8F00); /* Deeper red and warm amber */
}

/* LinkedIn Icon Hover Effect */
.group:hover .fa-linkedin-in {
    color: #1976D2; /* Standard LinkedIn blue */
    filter: drop-shadow(0 0 10px rgba(25, 118, 210, 0.8));
}

/* GitHub Icon Hover Effect */
.group:hover .fa-github {
    color: #D32F2F; /* Aligned with new red/orange palette */
    filter: drop-shadow(0 0 10px rgba(211, 47, 47, 0.8));
}

/* Button Hover Effects (White background with blue text) */
.bg-white.text-blue-700:hover {
    background-color: #FFEECC; /* Light yellow-orange */
    color: #B71C1C; /* Dark red */
    box-shadow: 0 0 25px rgba(255, 167, 38, 0.8);
}

/* Button Hover Effects (Green background with white text) */
.bg-green-600.text-white:hover {
    background-color: #FFCDD2; /* Very light red/pinkish */
    box-shadow: 0 0 25px rgba(239, 83, 80, 0.9);
}

/* Text Link Hover Effects */
.text-gray-600.hover\:text-blue-500:hover,
.text-gray-400.hover\:text-blue-400:hover {
    color: #D32F2F; /* Deep red */
    filter: drop-shadow(0 0 6px rgba(211, 47, 47, 0.5));
}

/* Input/Textarea Focus Styling */
input:focus,
textarea:focus {
    border-color: #1976D2;
    box-shadow: 0 0 0 5px rgba(25, 118, 210, 0.5), 0 0 12px rgba(25, 118, 210, 0.3);
}

/* Submit Button Hover Effect */
.bg-blue-600.hover\:bg-blue-700 {
    transition: background-color 0.3s ease-in-out, transform 0.2s ease-in-out, box-shadow 0.3s ease-in-out;
}

.bg-blue-600.hover\:bg-blue-700:hover {
    background-color: #f4511e; /* Material Deep Orange 600 */
    box-shadow: 0 0 25px rgba(244, 81, 30, 0.8), 0 0 35px rgba(244, 81, 30, 0.6);
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    /* Header adjustments for mobile */
    .header-glassy {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    .header-glassy nav {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    /* Home section adjustments for mobile */
    #home {
        padding-top: 5rem;
        padding-bottom: 5rem;
    }
    #home h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    #home p {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    #home .flex-col {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    #home .flex-col>* {
        width: 90%;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 1rem;
    }
    #home .flex-col>*:last-child {
        margin-bottom: 0;
    }
    #home .flex-col .group span {
        display: inline;
    }

    /* General section adjustments for mobile */
    section {
        padding-top: 4rem;
        padding-bottom: 4rem;
        margin-left: 1rem;
        margin-right: 1rem;
        border-radius: 20px;
    }
    .section-title {
        font-size: 2.25rem;
        margin-bottom: 2rem;
    }

    /* About section adjustments for mobile */
    #about .md\:flex {
        flex-direction: column;
        align-items: center;
    }
    #about .md\:w-1\/3,
    #about .md\:w-2\/3 {
        width: 100%;
        text-align: center;
    }
    #about img {
        width: 160px;
        height: 160px;
        margin-bottom: 1.5rem;
    }
    #about p {
        font-size: 1rem;
        text-align: left;
    }

    /* Grid layout adjustments for mobile */
    .grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .card-hover-effect {
        transform: none !important;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
    }

    /* Projects section adjustments for mobile */
    #projects .md\:col-span-2 {
        grid-column: auto;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    /* Contact section adjustments for mobile */
    #contact .md\:flex-row {
        flex-direction: column;
        align-items: center;
    }
    #contact .md\:w-1\/2 {
        width: 100%;
        margin-bottom: 2rem;
    }
    #contact .flex.space-x-6 {
        justify-content: center;
        margin-top: 1.5rem;
    }
    #contact form {
        padding: 1.5rem;
    }
    #contact form input,
    #contact form textarea {
        padding: 0.75rem;
    }
    #contact button[type="submit"] {
        width: 100%;
        padding: 0.75rem 1.5rem;
    }

    /* Footer adjustments for mobile */
    footer {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
        border-radius: 0;
    }
    footer .flex {
        flex-direction: row;
        justify-content: center;
    }
}

/* Hide custom cursor on mobile devices */
@media (max-width: 768px) {
    #custom-cursor {
        display: none !important;
    }
}