/* CSS Variables */
:root {
    --primary-color: #ff9900;
    --primary-dark: #ec7211;
    --secondary-color: #232f3e;
    --dark-bg: #1a1a2e;
    --darker-bg: #16162a;
    --light-bg: #f5f5f5;
    --text-color: #333;
    --text-light: #666;
    --text-white: #fff;
    --card-bg: #fff;
    --border-color: #e0e0e0;
    --success-color: #10b981;
    --gradient-start: #232f3e;
    --gradient-end: #1a1a2e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-bg);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

/* Header & Navigation */
.header {
    background: var(--secondary-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-white);
    font-size: 1.3rem;
    font-weight: 700;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.8rem;
}

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

.nav-links a {
    color: var(--text-white);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 160px 20px 100px;
    text-align: center;
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ff9900' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    display: inline-block;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.cta-button:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 153, 0, 0.3);
}

.cta-secondary {
    background: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

.cta-secondary:hover {
    background: var(--text-white);
    color: var(--secondary-color);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--card-bg);
}

.section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* What Is Section */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.content-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.feature-list {
    margin: 20px 0;
}

.feature-list li {
    padding: 10px 0 10px 30px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.info-card {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 20px;
    color: var(--text-white);
}

.info-card h3 {
    margin-bottom: 25px;
    font-size: 1.4rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: rgba(255, 153, 0, 0.2);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Roadmap */
.roadmap {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.roadmap::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.roadmap-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.roadmap-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
    z-index: 1;
}

.roadmap-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    flex: 1;
}

.roadmap-content h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.roadmap-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.roadmap-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.roadmap-skills span {
    background: var(--light-bg);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--text-color);
}

/* Certifications */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.cert-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border-top: 4px solid var(--border-color);
}

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

.cert-card.foundational {
    border-top-color: #10b981;
}

.cert-card.associate {
    border-top-color: #3b82f6;
}

.cert-card.professional {
    border-top-color: #8b5cf6;
}

.cert-card.specialty {
    border-top-color: #f59e0b;
}

.cert-level {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    color: var(--text-light);
}

.cert-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.cert-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.cert-card ul {
    margin-bottom: 20px;
}

.cert-card li {
    padding: 5px 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.cert-link {
    display: inline-block;
    font-weight: 600;
    color: var(--primary-color);
}

/* Resources */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.resource-category h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.resource-list li {
    margin-bottom: 15px;
}

.resource-list a {
    display: block;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.resource-list a:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(255, 153, 0, 0.15);
}

.resource-list strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.resource-list span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Salary */
.salary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.salary-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.salary-card.featured {
    background: var(--secondary-color);
    color: var(--text-white);
    transform: scale(1.05);
}

.salary-card.featured:hover {
    transform: scale(1.08);
}

.salary-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.salary-card.featured h3 {
    color: var(--text-white);
}

.salary-range {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.salary-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.salary-card.featured p {
    color: rgba(255, 255, 255, 0.7);
}

.salary-card ul {
    text-align: left;
}

.salary-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.salary-card li::before {
    content: '•';
    position: absolute;
    left: 10px;
    color: var(--primary-color);
}

.salary-note {
    background: rgba(255, 153, 0, 0.1);
    padding: 20px 30px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.salary-note p {
    margin: 0;
    color: var(--text-color);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--light-bg);
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background: var(--secondary-color);
    color: var(--text-white);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #2d3a4f;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 25px;
    color: var(--text-color);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    text-align: center;
    color: var(--text-white);
}

.cta-section h2 {
    color: var(--text-white);
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Ad Containers */
.ad-container {
    padding: 30px 20px;
    text-align: center;
    background: var(--light-bg);
}

.ad-placeholder {
    background: #e9e9e9;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.9rem;
    margin: 0 auto;
}

.ad-banner {
    max-width: 728px;
    height: 90px;
}

.ad-rectangle {
    max-width: 300px;
    height: 250px;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

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

    .hero-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }

    .nav-links.active {
        display: flex;
    }

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

    .hero {
        padding: 140px 20px 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 2rem;
    }

    .roadmap::before {
        left: 20px;
    }

    .roadmap-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .roadmap-item {
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .salary-card.featured {
        transform: scale(1);
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .roadmap-content {
        padding: 20px;
    }

    .cert-card,
    .salary-card {
        padding: 25px 20px;
    }
}

/* Blog Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--secondary-color), var(--dark-bg));
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 20px;
}

.blog-category {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.blog-card-content {
    padding: 25px;
}

.blog-card-content h2 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.blog-card-content p {
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.6;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.blog-tags span {
    background: var(--light-bg);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.blog-read-more {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.blog-read-more:hover {
    color: var(--primary-dark);
}

/* Interview Prep Styles */
.interview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.interview-category {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.interview-category h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.question-list {
    list-style: none;
}

.question-list li {
    margin-bottom: 15px;
}

.question-item {
    display: block;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.question-item:hover {
    border-left-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.question-item strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.question-item span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.question-difficulty {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 10px;
}

.difficulty-easy {
    background: #d1fae5;
    color: #059669;
}

.difficulty-medium {
    background: #fef3c7;
    color: #d97706;
}

.difficulty-hard {
    background: #fee2e2;
    color: #dc2626;
}

/* Project Styles */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.project-header {
    background: linear-gradient(135deg, var(--secondary-color), var(--dark-bg));
    padding: 25px;
    color: var(--text-white);
}

.project-level {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.level-beginner {
    background: #10b981;
}

.level-intermediate {
    background: #f59e0b;
}

.level-advanced {
    background: #ef4444;
}

.project-header h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.project-header p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.project-content {
    padding: 25px;
}

.project-content h4 {
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.project-services {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-services span {
    background: rgba(255, 153, 0, 0.1);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-skills {
    margin-bottom: 20px;
}

.project-skills ul {
    list-style: disc;
    padding-left: 20px;
}

.project-skills li {
    color: var(--text-color);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.project-link {
    display: inline-block;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--primary-dark);
    color: var(--text-white);
}

/* Tools/Calculator Styles */
.calculator-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.calculator-container h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calc-button {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calc-button:hover {
    background: var(--primary-dark);
    color: var(--text-white);
}

.salary-result {
    margin-top: 30px;
    padding: 30px;
    background: linear-gradient(135deg, var(--secondary-color), var(--dark-bg));
    border-radius: 15px;
    text-align: center;
    color: var(--text-white);
    display: none;
}

.salary-result.visible {
    display: block;
}

.salary-result h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.salary-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.salary-range-text {
    font-size: 1rem;
    opacity: 0.8;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tool-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.tool-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

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

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

@media (max-width: 768px) {
    .blog-grid,
    .interview-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }

    .calculator-container {
        padding: 25px;
    }

    .salary-amount {
        font-size: 2.2rem;
    }
}

/* CSP Banner Styles */
.csp-banner {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    padding: 60px 0;
}

.csp-ad {
    background: linear-gradient(135deg, var(--secondary-color), #1a1a2e);
    border-radius: 20px;
    padding: 50px;
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.csp-ad::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 153, 0, 0.1) 0%, transparent 70%);
}

.csp-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.csp-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.csp-ad h2 {
    color: var(--text-white);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.csp-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.csp-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.csp-service {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.csp-service:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.csp-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 15px;
}

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

.csp-service p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.csp-cta {
    font-size: 1.2rem;
    padding: 18px 50px;
}

/* CSP Contact Section */
.csp-contact {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--primary-color);
}

.csp-contact h2 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.csp-contact > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.csp-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.csp-feature {
    background: var(--light-bg);
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 500;
    color: var(--text-color);
}

.csp-feature span {
    color: var(--success-color);
    margin-right: 8px;
    font-weight: bold;
}

.csp-contact-info p {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Books Grid Styles */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.book-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

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

.book-cover {
    background: linear-gradient(135deg, var(--secondary-color), #1a1a2e);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-placeholder {
    font-size: 4rem;
    opacity: 0.5;
}

.book-info {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.book-info h3 {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 8px;
    line-height: 1.4;
}

.book-author {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.book-description {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.book-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.book-tag {
    background: rgba(255, 153, 0, 0.15);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.book-link {
    display: inline-block;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: all 0.3s ease;
}

.book-link:hover {
    background: var(--primary-dark);
    color: var(--text-white);
}

/* Pluralsight Promo Banner */
.pluralsight-promo {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 40px;
    text-align: center;
    border: 2px solid #e80a89;
}

.ps-promo-content {
    max-width: 600px;
    margin: 0 auto;
}

.ps-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #e80a89;
    text-transform: lowercase;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.pluralsight-promo h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.pluralsight-promo p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.course-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.course-header {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 25px;
    border-bottom: 3px solid #e80a89;
}

.course-level {
    display: inline-block;
    background: #e80a89;
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.course-header h3 {
    color: #fff;
    font-size: 1.2rem;
    line-height: 1.4;
}

.course-content {
    padding: 25px;
}

.course-content > p {
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.6;
}

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

.course-topics h4 {
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.course-topics ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.course-topics li {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.course-link {
    display: inline-block;
    background: #e80a89;
    color: #fff;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.course-link:hover {
    background: #c4076f;
    color: #fff;
}

@media (max-width: 768px) {
    .csp-ad {
        padding: 30px 20px;
    }

    .csp-ad h2 {
        font-size: 1.8rem;
    }

    .csp-services {
        grid-template-columns: 1fr;
    }

    .books-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .pluralsight-promo {
        padding: 30px 20px;
    }

    .pluralsight-promo h3 {
        font-size: 1.4rem;
    }

    .csp-features {
        flex-direction: column;
        align-items: center;
    }
}