:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1E40AF;
    --color-secondary: #10B981;
    --color-accent: #F59E0B;
    --color-dark: #1F2937;
    --color-light: #F3F4F6;
    --color-white: #FFFFFF;
    --color-text-dark: #111827;
    --color-text-light: #6B7280;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-light);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Header & Nav */
header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links li a {
    font-weight: 500;
    color: var(--color-text-dark);
}

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

.cta-btn,
.cta-btn-mobile {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s;
}

.cta-btn:hover,
.cta-btn-mobile:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: var(--color-white);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-light);
}

.mobile-menu a {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
}

.mobile-menu.active {
    display: flex;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
    padding: 4rem 1rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--color-dark);
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: white;
    color: var(--color-primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 1px solid var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #f0f7ff;
}

/* Stats Section */
.stats {
    background-color: var(--color-dark);
    color: white;
    padding: 3rem 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    margin-top: -3rem;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Features Section */
.features {
    padding: 5rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: #EFF6FF;
    display: inline-block;
    padding: 1rem;
    border-radius: 50%;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-dark);
}

/* Courses/Internship Section */
.courses {
    background-color: #F8FAFC;
    padding: 5rem 1rem;
}

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

.course-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.course-header {
    background: var(--color-primary);
    color: white;
    padding: 2rem;
    text-align: center;
}

.course-body {
    padding: 2rem;
}

.course-features {
    margin: 1.5rem 0;
}

.course-features li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.course-features li::before {
    content: "✓";
    color: var(--color-secondary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.course-btn {
    width: 100%;
    padding: 1rem;
    background: var(--color-dark);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.course-btn:hover {
    background: black;
}

/* Placed Students Section */
.placed-students {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f5e9 100%);
    padding: 5rem 1rem;
    max-width: 100%;
    margin: 0;
}

.placed-students .section-title,
.placed-students .section-subtitle {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.placed-students .section-title {
    margin-bottom: 0.5rem;
}

.placed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.placed-card {
    background: white;
    padding: 1.75rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border-top: 4px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.placed-card::before {
    content: '✅ Placed';
    position: absolute;
    top: 0.6rem;
    right: -1.8rem;
    background: var(--color-secondary);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.2rem 2.2rem;
    transform: rotate(45deg);
    transform-origin: center;
    letter-spacing: 0.03em;
}

.placed-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.placed-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.placed-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.35rem;
}

.placed-company {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.9rem;
}

.placed-meta {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.placed-badge {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
}

.placed-badge.salary {
    background: #D1FAE5;
    color: #065F46;
}

.placed-badge.location {
    background: #EFF6FF;
    color: #1D4ED8;
}

.placed-qualification {
    font-size: 0.82rem;
    color: var(--color-text-light);
    font-style: italic;
}


/* Footer */
footer {
    background-color: #111827;
    color: #9CA3AF;
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #374151;
    padding-top: 2rem;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 500px;
    padding: 2rem;
    border-radius: var(--radius-lg);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D1D5DB;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: var(--color-primary-dark);
}

.form-message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #D1FAE5;
    color: #065F46;
}

.form-message.error {
    display: block;
    background-color: #FEE2E2;
    color: #B91C1C;
}

/* CTA Section specific override */
.cta-section {
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: 4rem 1rem;
    margin-top: 4rem;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {

    .nav-links,
    .cta-btn {
        display: none;
    }

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

    .hero {
        padding: 3rem 1rem;
    }


    .stats {
        margin-top: 2rem;
        border-radius: var(--radius-md);
    }
}

/* --- New Pages Styling --- */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
    padding: 4rem 1rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

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

/* FAQ Section */
.faq-section {
    padding: 4rem 1rem;
    background-color: var(--color-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.faq-question:hover {
    background-color: #f9fafb;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-dark);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    border-top: 1px solid transparent;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
    /* Arbitrary large height */
    border-top-color: #f0f0f0;
}

.faq-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.faq-cta h3 {
    margin-bottom: 1rem;
}

.faq-cta .btn-primary {
    display: inline-block;
    margin-top: 1.5rem;
    text-decoration: none;
}

/* Contact Section */
.contact-section {
    padding: 4rem 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

@media (max-width: 850px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.info-card h3 {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
    display: inline-block;
}

.info-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-list .icon {
    font-size: 1.5rem;
}

.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}