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

:root {
    --primary-color: #FF6F00;
    --secondary-color: #F57C00;
    --accent-color: #FF9800;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #fff8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(255, 111, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(255, 111, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0;
    line-height: 1.2;
}

.logo-subtitle {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
}

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Presenter Section */
.presenter {
    padding: 4rem 0;
    background: linear-gradient(135deg, #fff8f0 0%, #ffffff 100%);
}

.presenter-card {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent-color);
    max-width: 1000px;
    margin: 0 auto;
    transition: transform 0.3s, box-shadow 0.3s;
}

.presenter-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 111, 0, 0.15);
}

.presenter-avatar {
    position: relative;
    flex-shrink: 0;
}

.presenter-avatar img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--accent-color);
    box-shadow: 0 8px 20px rgba(255, 111, 0, 0.2);
}

.avatar-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 3px solid var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.presenter-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.presenter-name {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
}

.presenter-role {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 0;
    font-weight: 500;
}

.presenter-bio {
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 1rem;
    margin: 0.5rem 0 1.5rem;
}

.presenter-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-light);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.2;
}

.presenter-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.github-link {
    background: #24292e;
    color: var(--white);
}

.github-link:hover {
    background: #1a1e22;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(36, 41, 46, 0.3);
}

.email-link {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 111, 0, 0.4);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Intro Section */
.intro {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.intro h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.intro-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.intro-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.intro-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.intro-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.intro-item p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Roadmap Section */
.roadmap {
    padding: 4rem 0;
}

.roadmap h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.semester {
    margin-bottom: 2rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
}

.semester-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.semester-header:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.semester-header h3 {
    font-size: 1.5rem;
}

.toggle-icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.semester.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.semester-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, padding 0.5s ease-out;
    padding: 0 2rem;
}

.semester-content.active {
    max-height: 2000px;
    padding: 2rem;
}

/* Quiz Page */
.quiz-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    padding: 4rem 0 3rem;
}

.quiz-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.quiz-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Progress Bar */
.progress-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    border-radius: 20px;
    width: 0%;
    transition: width 0.4s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.quiz-section {
    background-color: var(--bg-light);
    padding: 3rem 0;
}

.quiz-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.question-card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    padding: 2rem;
    border: 2px solid transparent;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.question-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.question-card legend {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.q-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-label {
    display: block;
    position: relative;
    cursor: pointer;
}

.option-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: var(--white);
    transition: all 0.3s ease;
}

.option-label:hover .option-content {
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.option-label input[type="radio"]:checked + .option-content {
    border-color: var(--primary-color);
    background: var(--bg-light);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.option-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.option-text {
    flex: 1;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.5;
}

.option-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.web-badge {
    background: #fff7ed;
    color: var(--primary-color);
    border: 1px solid var(--accent-color);
}

.udpm-badge {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #93c5fd;
}

.ai-badge {
    background: #f0fdf4;
    color: #10b981;
    border: 1px solid #86efac;
}

.quiz-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.quiz-submit,
.quiz-reset {
    padding: 0.9rem 1.8rem;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
}

.quiz-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.quiz-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.quiz-reset {
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.quiz-reset:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quiz-result {
    padding: 3rem 0 4rem;
}

.result-card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    border: 2px solid var(--accent-color);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--bg-light);
}

.result-icon {
    font-size: 3.5rem;
}

.result-card h3 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--primary-color);
}

.result-summary {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.result-focus {
    margin-bottom: 2rem;
}

.result-focus p {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.result-card ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.result-card li {
    margin-bottom: 0.6rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.score-line {
    font-weight: 600;
    color: var(--secondary-color);
}

/* Score Chart */
.score-chart {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.score-chart h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.chart-item {
    margin-bottom: 1.5rem;
}

.chart-item:last-child {
    margin-bottom: 0;
}

.chart-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.chart-icon {
    font-size: 1.8rem;
}

.chart-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.chart-score {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.chart-bar-container {
    width: 100%;
    height: 32px;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.chart-bar {
    height: 100%;
    border-radius: 20px;
    transition: width 1s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.75rem;
    color: var(--white);
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.tie-container {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.tie-option {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tie-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.tie-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-light);
}

.tie-icon {
    font-size: 2.5rem;
}

.tie-option h4 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.3rem;
}

.tie-option p {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tie-option ul {
    margin-left: 1.5rem;
}

.tie-option li {
    color: var(--text-dark);
    line-height: 1.5;
}

.quiz-footer {
    background: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
}

.quiz-footer p {
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .quiz-hero {
        padding: 3rem 0 2rem;
    }

    .quiz-hero h2 {
        font-size: 2rem;
    }

    .quiz-hero p {
        font-size: 1rem;
    }

    .progress-header {
        font-size: 0.85rem;
    }

    .question-card {
        padding: 1.5rem;
    }

    .question-card legend {
        font-size: 1.1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .q-number {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .option-content {
        padding: 1rem;
        gap: 0.75rem;
    }

    .option-icon {
        font-size: 1.5rem;
    }

    .option-text {
        font-size: 0.95rem;
    }

    .option-badge {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }

    .quiz-submit,
    .quiz-reset {
        width: 100%;
    }

    .result-card {
        padding: 1.5rem;
    }

    .result-header {
        flex-direction: column;
        text-align: center;
    }

    .result-icon {
        font-size: 3rem;
    }

    .result-card h3 {
        font-size: 1.5rem;
    }

    .result-summary {
        font-size: 1rem;
    }

    .score-chart {
        padding: 1.5rem;
    }

    .chart-label {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .chart-name {
        font-size: 0.95rem;
    }

    .chart-score {
        font-size: 0.85rem;
    }

    .tie-option {
        padding: 1.2rem;
    }

    .tie-icon {
        font-size: 2rem;
    }
}

.course {
    display: grid;
    grid-template-columns: 100px 1fr 100px;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.course-code {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.course-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.course-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1rem;
}

/* Showcase Section */
.showcase {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.video-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.video-info p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Info Section */
.info {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.info h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.career-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.career-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-item {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin: 3rem 0 2rem 0;
    color: var(--text-dark);
}

.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.job-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 4px solid var(--accent-color);
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.job-icon {
    font-size: 2.5rem;
}

.job-salary {
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.job-card h4 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.job-company {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.job-requirements {
    margin: 1rem 0;
}

.job-requirements p {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.job-requirements ul {
    list-style: none;
    padding-left: 0;
}

.job-requirements ul li {
    padding: 0.3rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.job-requirements ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.job-location {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bg-light);
    color: var(--text-light);
    font-size: 0.95rem;
}

.career-path {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow);
}

.path-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.path-item {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    flex: 1;
    min-width: 150px;
    box-shadow: var(--shadow);
}

.path-year {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.path-role {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.path-salary {
    font-size: 1rem;
    opacity: 0.9;
}

.path-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

.career-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.career-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.career-cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.salary-report {
    background: var(--white);
    border-radius: 15px;
    padding: 2.5rem;
    margin-top: 3rem;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.salary-report:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 111, 0, 0.2);
}

.report-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.report-content {
    flex: 1;
}

.report-content h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.report-content p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.btn-report {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 10px rgba(255, 111, 0, 0.3);
}

.btn-report:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 111, 0, 0.4);
}

.btn-report span {
    font-size: 1.2rem;
}

.career-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.career-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.career-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.career-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.career-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.career-item p {
    color: var(--text-light);
}

/* Developer Roadmap Section */
.roadmap-dev {
    padding: 4rem 0;
    background-color: var(--white);
}

.roadmap-dev h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.roadmap-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid var(--bg-light);
}

.roadmap-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(255, 111, 0, 0.2);
    border-color: var(--accent-color);
}

.roadmap-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.roadmap-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.roadmap-header h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0;
}

.roadmap-content {
    padding: 2rem;
}

.roadmap-content > p {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.roadmap-topics {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.roadmap-topics li {
    padding: 0.6rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.4;
}

.roadmap-topics li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.btn-roadmap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 10px rgba(255, 111, 0, 0.3);
    width: 100%;
    justify-content: center;
}

.btn-roadmap:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 111, 0, 0.4);
}

.btn-roadmap span {
    font-size: 1.2rem;
}

.roadmap-footer-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--bg-light);
}

.roadmap-footer-note a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.roadmap-footer-note a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .logo {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .logo-img {
        height: 45px;
    }

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

    .logo h1 {
        font-size: 1.3rem;
    }

    .nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .hero h3 {
        font-size: 1.5rem;
    }

    .course {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .course-code,
    .course-credits {
        justify-content: flex-start;
    }

    .intro-content,
    .career-grid {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .job-grid {
        grid-template-columns: 1fr;
    }

    .path-timeline {
        flex-direction: column;
    }

    .path-arrow {
        transform: rotate(90deg);
    }

    .career-stats {
        grid-template-columns: 1fr;
    }

    .salary-report {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .report-icon {
        font-size: 3rem;
    }

    .report-content h3 {
        font-size: 1.5rem;
    }

    .btn-report {
        width: 100%;
        justify-content: center;
    }

    .roadmap-grid {
        grid-template-columns: 1fr;
    }

    .roadmap-card {
        margin-bottom: 1rem;
    }

    .roadmap-header {
        padding: 1.2rem 1.5rem;
    }

    .roadmap-header h3 {
        font-size: 1.3rem;
    }

    .roadmap-icon {
        font-size: 2rem;
    }

    .roadmap-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

    .hero h3 {
        font-size: 1.2rem;
    }

    .semester-header h3 {
        font-size: 1.2rem;
    }
}

/* Syllabus Button */
.btn-syllabus {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s, transform 0.2s;
}

.btn-syllabus:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.close {
    color: var(--white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

.close:hover {
    transform: scale(1.2);
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.syllabus-section {
    margin-bottom: 1.5rem;
}

.syllabus-section h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.3rem;
}

.syllabus-section p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.syllabus-section ul {
    list-style-type: none;
    padding-left: 0;
}

.syllabus-section ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.syllabus-section ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.course-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.meta-value {
    color: var(--text-dark);
    font-size: 1rem;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .modal-body {
        padding: 1rem;
    }

    .btn-syllabus {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}