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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f3f4f6;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Header Styles */
.top-bar {
    background: var(--gradient);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

.top-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.top-bar a:hover {
    opacity: 0.8;
}

.top-bar i {
    margin-right: 5px;
    color: var(--accent-color);
}

/* Navigation */
nav {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    /* background: var(--gradient); */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}
.logo-icon img{
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;

}
.logo-text h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--text-light);
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: url(../img/ppncollege2.jpg), linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(59, 130, 246, 0.8) 100%), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: cover;
    background-position: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-30px, -30px) rotate(180deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--secondary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
    color: var(--white);
}

.hero h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease 0.2s both;
    color: #0061ff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.4);
}

.hero p {
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.4s both;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Info Cards */
.info-section {
    padding: 80px 20px;
    background: var(--bg-light);
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.info-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.info-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.code-highlight {
    background: var(--gradient);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

/* About Section */
.about-section {
    padding: 80px 20px;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--accent-color);
}

.about-image {
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    height: 400px;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}
..about-image-placeholder img{
    display: block;
    width: 90%;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: var(--accent-color);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
}
/* Chairman Message */
.chairman {
    background: #f8fafc;
    padding: 80px 20px;
}
.chairman-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.chairman img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}
.section-title h2 {
    font-size: 2.7rem;
    font-family: 'Playfair Display', serif;
}
/* Faculty */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}
.faculty-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.4s;
}
.faculty-card:hover {
    transform: translateY(-10px);
}
.faculty-card .photo {
    height: 150px;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: #94a3b8;
}
.faculty-card .info {
    padding: 22px;
    text-align: center;
}



/* Courses Section */
.courses-section {
    padding: 80px 20px;
    background: var(--bg-light);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.course-header {
    background: var(--gradient);
    color: var(--white);
    padding: 30px;
    text-align: center;
}

.course-header i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.course-header h4 {
    font-size: 1.3rem;
}

.course-body {
    padding: 30px;
}

.course-body ul {
    list-style: none;
}

.course-body li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-body li:last-child {
    border-bottom: none;
}

.course-body i {
    color: var(--secondary-color);
}

/* Contact Section */
.contact-section {
    padding: 80px 20px;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.contact-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s;
}

.contact-card:hover {
    background: var(--gradient);
    color: var(--white);
    transform: translateY(-5px);
}

.contact-card:hover i,
.contact-card:hover h4,
.contact-card:hover p {
    color: var(--white);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    transition: color 0.3s;
}

.contact-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    transition: color 0.3s;
}

.contact-card p {
    color: var(--text-light);
    line-height: 1.6;
    transition: color 0.3s;
    word-break: break-all;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 20px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    line-height: 1.8;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-section i {
    margin-right: 10px;
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-bar-content {
        flex-direction: column;
        text-align: center;
        gap: 5px;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 40px 20px;
        transition: left 0.3s;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .hero h2 {
        font-size: 2rem;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    }

    .about-content {
        grid-template-columns: 1fr;
        display: block;
    }

    .section-title h3 {
        font-size: 1.8rem;
    }
    .chairman-grid {
        display: block;
    }
    .faculty-card{
        margin: 0 20px;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--bg-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}