/* Base Styling - New Color Scheme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #212121; /* Dark Grey */
    color: #E0E0E0; /* Light Grey for general text */
    font-family: 'Poppins', sans-serif;
}

i {
    color: #BBDEFB; /* Light Blue Accent for icons */
}

/* Navbar Styling */
nav {
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 70px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: rgba(33, 33, 33, 0.8); /* Dark Grey with transparency */
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2); /* Subtle shadow */
}

.navbar-brand {
    font-size: 2em;
    font-weight: bold;
    letter-spacing: 2px;
    color: #BBDEFB !important; /* Light Blue Accent for brand */
}

.navbar-nav .nav-link {
    text-decoration: none;
    color: #E0E0E0 !important; /* Light Grey for links */
    font-size: 1.3em; /* Increased font size */
    padding: 0.5rem 1rem;
    transition: background 0.3s ease, color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background: #673AB7; /* Deep Purple on hover */
    border-radius: 8px;
    color: white !important; /* White text on hover */
}

/* Home Page Hero Section */
.home-hero-section {
    width: 100%;
    height: 70vh; /* Adjusted height */
    background: linear-gradient(rgba(33, 33, 33, 0.9), rgba(33, 33, 33, 0.9)), url('https://via.placeholder.com/1920x1080/303030/BBDEFB?text=School+Background'); /* New Placeholder image */
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Center vertically */
    align-items: center; /* Center horizontally */
    text-align: center; /* Center text */
    /* Removed padding-top from here */
}

.home-hero-section .container {
    width: 100%;
    max-width: 960px;
    padding: 0 70px;
    padding-top: 120px; /* Adjusted padding to push content down from fixed navbar */
}

.home-hero-section h1 {
    font-family: 'Kalam', cursive;
    font-size: 4em;
    color: #BBDEFB;
    margin-bottom: 20px;
}

.home-hero-section p {
    line-height: 2rem;
    font-size: 1.1em;
    color: #E0E0E0;
    margin-bottom: 30px;
    max-width: 700px; /* Control paragraph width */
    margin-left: auto; /* Center paragraph */
    margin-right: auto; /* Center paragraph */
}

/* Main Content Area */
.container.mt-4 {
    padding-top: 100px; /* Increased padding-top for better separation */
    padding-bottom: 20px;
    color: #E0E0E0;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(103, 58, 183, 0.2); /* Deep Purple shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #303030; /* Slightly Lighter Dark Grey for cards */
    color: #E0E0E0;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0px 10px 25px rgba(103, 58, 183, 0.4);
}

.card-title {
    color: #BBDEFB; /* Light Blue Accent for titles */
    font-weight: bold;
}

.card-text {
    color: #E0E0E0;
}

/* Buttons */
.btn-primary {
    background: #673AB7; /* Deep Purple */
    border-color: #673AB7;
    transition: background 0.3s ease, border-color 0.3s ease;
    color: white;
}

.btn-primary:hover {
    background: #512DA8; /* Darker Purple on hover */
    border-color: #512DA8;
}

.btn-secondary {
    background: #303030; /* Card background color */
    border: 2px solid #E0E0E0; /* Light Grey border */
    color: #E0E0E0;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.btn-secondary:hover {
    background: #673AB7; /* Deep Purple on hover */
    border-color: #673AB7;
    color: white;
}

/* Jumbotron/Hero Section (for home page) - Adapting for new scheme */
.p-5.mb-4.bg-light.rounded-3 {
    background-color: #303030 !important; /* Card background color */
    border-radius: 15px !important;
    box-shadow: 0 6px 12px rgba(103, 58, 183, 0.2); /* Deep Purple shadow */
    color: #E0E0E0;
}

.display-5.fw-bold {
    color: #BBDEFB; /* Light Blue Accent for heading */
}

.fs-4 {
    color: #E0E0E0;
}

/* Table Styling */
.table {
    border-radius: 10px;
    overflow: hidden;
    background-color: #303030; /* Card background color */
    color: #E0E0E0;
}

.table thead {
    background-color: #424242; /* Medium Dark Grey for header */
    color: #BBDEFB; /* Light Blue Accent for header text */
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(103, 58, 183, 0.05); /* Subtle stripe with Deep Purple */
}

.table th, .table td {
    border-color: #424242; /* Medium Dark Grey borders */
}

/* Form Styling */
.card form {
    padding: 20px;
}

.form-control {
    border-radius: 5px;
    border: 1px solid #424242; /* Darker border */
    background-color: #303030; /* Card background color */
    color: #E0E0E0;
}

.form-control:focus {
    border-color: #673AB7; /* Deep Purple on focus */
    box-shadow: 0 0 0 0.25rem rgba(103, 58, 183, 0.25); /* Deep Purple shadow */
}

/* Footer Styling */
footer {
    background-color: #111; /* Even darker background */
    color: #aaa; /* Lighter grey text */
    padding: 40px 0;
    text-align: center;
    margin-top: 50px; /* Space above footer */
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    nav {
        padding: 0 30px;
    }
    .container, #bio, #services, #projects, #experience, #contact, #archive, #certifications {
        padding-left: 30px;
        padding-right: 30px;
    }
    header .container {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .left h3 {
        font-size: 3em;
    }
    .rightbio h1 {
        font-size: 2.8em;
    }
    .intro h1 {
        font-size: 2.8em;
    }
    .left {
        flex-basis: 100%;
        order: 2;
        margin-top: 2rem;
    }
    .right {
        flex-basis: 100%;
        order: 1;
    }
    .right img {
        width: 250px;
        height: 250px;
    }
    #bio {
        flex-direction: column;
    }
    .leftbio {
        flex-basis: 100%;
    }
    .rightbio {
        flex-basis: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
    .leftbio {
        margin-bottom: 2rem;
    }
    .cardbody {
        flex-basis: 45%;
    }

    .home-hero-section h1 {
        font-size: 3em; /* Reduced font size for tablets */
    }
}

@media (max-width: 768px) {
    nav {
        padding: 10px 20px;
    }
    .navbar-brand {
        font-size: 1.5em;
    }
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    .left h3 {
        font-size: 2.5em;
    }
    .info {
        flex-direction: column;
        align-items: center;
    }
    .info div {
        flex-basis: 100%;
        margin-bottom: 1rem;
        text-align: left;
    }
    .cardbody {
        flex-basis: 100%;
    }
    .intro h1 {
        font-size: 2.5em;
    }
    .rightbio h1 {
        font-size: 2.5em;
    }

    .home-hero-section h1 {
        font-size: 2.2em; /* Further reduced font size for mobile */
    }
}