/* CSS Variables */
:root {
    --primary-color: #003366;
    /* Deep Blue */
    --secondary-color: #C41E3A;
    /* Accent Red/Crimson for contrast or highlights */
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --border-color: #e0e0e0;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair or Inter', sans-serif;
    /* Using Inter for clean look, Playfair for prestige if needed, sticking to Inter for modern tech feel */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
}

.text-white {
    color: var(--white) !important;
}

.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #002244;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    height: 50px;
    width: auto;
}

.accent-text {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 80vh;
    /* Reduced from 100vh for better fold visibility */
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.9), rgba(0, 34, 68, 0.8)), url('https://dbcyelagiri.edu.in/public/uploads/slider/DBCY-Slider-3.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-sub {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
    animation: fadeInUp 1.2s ease;
}

.hero-buttons {
    animation: fadeInUp 1.4s ease;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.about-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vm-item {
    margin-bottom: 20px;
}

.about-details {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 10px;
}

.detail-block {
    margin-bottom: 30px;
}

.detail-block:last-child {
    margin-bottom: 0;
}

.detail-block h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    border-left: 4px solid var(--secondary-color);
    padding-left: 15px;
}

.values-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.values-list li {
    background: var(--white);
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.values-list i {
    color: var(--secondary-color);
}

/* Courses Section */
.courses-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.course-card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    width: 300px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color);
}

.course-card:hover {
    transform: translateY(-10px);
}

.course-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.course-full {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.status.approved {
    color: #2e7d32;
    background: #e8f5e9;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Tables (Members & Committees) */
.table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.data-table th,
.data-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.data-table tr:hover {
    background-color: var(--bg-light);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* EoA Process */
.eoa-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.eoa-list ul {
    margin-top: 20px;
}

.eoa-list li {
    padding: 15px;
    background: var(--white);
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.eoa-list li:hover {
    transform: translateX(10px);
    background: #f0f4ff;
}

.eoa-list i {
    color: var(--primary-color);
}

.eoa-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.doc-card {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border-left: 5px solid var(--secondary-color);
}

.doc-card h4 {
    margin: 10px 0;
    color: var(--primary-color);
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Contact */
.contact-wrapper {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-info,
.contact-form-placeholder {
    flex: 1;
    min-width: 300px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    width: 30px;
}

.contact-form-placeholder input,
.contact-form-placeholder textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #444;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 5px;
}

.contact-form-placeholder input::placeholder,
.contact-form-placeholder textarea::placeholder {
    color: #aaa;
}

/* Footer */
footer {
    background-color: #002244;
    color: rgba(255, 255, 255, 0.7);
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.social-links a {
    color: var(--white);
    margin-left: 15px;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        padding: 40px 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .eoa-container {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        flex-direction: column;
    }
}