/* ===================================
   Modern Theme for InsightSkillsLab
   Clean, Professional & Responsive
   =================================== */

/* ========== CSS Variables ========== */
:root {
    --primary-color: #0f4c81;
    --primary-dark: #0a3658;
    --secondary-color: #ff6b35;
    --accent-color: #4ecdc4;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    line-height: 1.6;
    color: var(--text-dark) !important;
    background-color: var(--white) !important;
    overflow-x: hidden;
    margin: 0 !important;
}

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

/* ========== Navigation ========== */
.navbar {
    background: var(--white) !important;
    box-shadow: var(--shadow) !important;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-color) !important;
    height: 70px !important;
}

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

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo a:hover {
    transform: translateY(-2px);
}

.nav-logo .logo-image {
    height: 45px;
    width: auto;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(15, 76, 129, 0.2);
}

.nav-logo .logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-link { !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
    padding: 0.6rem 1rem !important;
    border-radius: var(--border-radius) !important;
    transition: var(--transition);
    white-space: nowrap !importantadius);
    transition: var(--transition);
}

.nav-link:hover { !important;
    background: var(--bg-light) !important;
}

.nav-link.active {
    color: var(--white) !important;
    background: var(--primary-color) !important;
    font-weight: 600 !important;
}

.nav-link.nav-cta {
    background: var(--secondary-color) !important;
    color: var(--white) !important;
    font-weight: 600 !importantte);
    font-weight: 600;
}

.nav-link.nav-cta:hover {
    background: #ff5722;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ========== Main C !importantontent ========== */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* ========== Hero Section ========== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========== Buttons ========== */
.btn-primary {
    background: var(--secondary-color) !important;
    color: var(--white) !important;
    padding: 0.9rem 2rem;
    border: none !important;
    border-radius: var(--border-radius) !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-block;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: #ff5722 !important;
}

.btn-secondary {
    background: var(--white) !important;
    color: var(--primary-color) !important;
    padding: 0.9rem 2rem;
    border: 2px solid var(--white) !important;
    border-radius: var(--border-radius) !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-block;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: transparent !important;
    color: var(--white) !important;
    transform: translateY(-2px);
}

/* Override old button styles */
.enroll-button,
button[onclick*="enrollmentModal"] {
    background: var(--secondary-color) !important;
    color: var(--white) !important;
    border: none !important;
    padding: 0.9rem 2rem !important;
    border-radius: var(--border-radius) !important;
    font-weight: 600 !important;
    cursor: pointer !important;
}

/* ========== Courses Section ========== */
.courses-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.courses-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

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

.courses-grid {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.course-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.course-card.featured {
    border: 3px solid var(--secondary-color);
}

.course-card .badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.course-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.course-meta .price {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.course-meta .duration {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========== Features Section ========== */
.features-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-light);
    transform: translateY(-5px);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
}

/* ========== Footer ========== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 0.8rem;
    opacity: 0.9;
    line-height: 1.6;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo-image {
    height: 40px;
    width: auto;
    border-radius: 50%;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    opacity: 0.8;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
    }

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

    .nav-list {
        flex-direction: column;
        width: 100%;
        padding: 1rem 0;
    }

    .nav-link {
        width: 100%;
        padding: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

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

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

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

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

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

    .course-cards {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }
}

/* ========== Global Overrides for Inline Styles ========== */
/* Override any section with inline background colors to use theme */
section[style*="background: #2c5aa0"],
section[style*="background:#2c5aa0"],
.simple-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

/* Override old blue color references */
[style*="#2c5aa0"] {
    color: var(--primary-color) !important;
}

/* Container consistency */
.container {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

/* ========== Page-Specific Overrides ========== */
/* Power BI, MySQL, Python Tutorial Pages */
.powerbi-header,
.mysql-header,
.python-header,
section[class*="header"] {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: var(--white) !important;
    padding: 60px 0 !important;
}

.learning-path,
.project-based-learning {
    background: var(--bg-light) !important;
    padding: 60px 0 !important;
}

/* Override all inline background colors */
[style*="background: #2c5aa0"],
[style*="background:#2c5aa0"],
[style*="background: linear-gradient(135deg, rgba(30,60,114"],
[style*="background: linear-gradient(135deg, rgba(42,82,152"],
[style*="background: linear-gradient(135deg, #2c5aa0"] {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

/* Override yellow/gold gradients to use secondary color */
[style*="background: linear-gradient(135deg, rgba(247,179,43"],
[style*="background: linear-gradient(135deg, #f7b32b"] {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #ff5722 100%) !important;
}

/* ========== Course Pages Styling ========== */
.curriculum-header,
.powerbi-header,
.mysql-header,
.python-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: var(--white) !important;
    padding: 80px 0 !important;
    text-align: center;
}

.python-hero,
.powerbi-hero,
.mysql-hero,
.curriculum-hero {
    max-width: 900px;
    margin: 0 auto;
}

.curriculum-header h1,
.powerbi-header h1,
.mysql-header h1,
.python-header h1 {
    font-size: 3rem !important;
    margin-bottom: 1rem !important;
    color: var(--white) !important;
    font-weight: 700 !important;
}

.curriculum-subtitle,
.powerbi-subtitle,
.mysql-subtitle,
.python-subtitle {
    font-size: 1.3rem !important;
    opacity: 0.95 !important;
    margin-bottom: 2rem !important;
    color: var(--white) !important;
}

.curriculum-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

/* Course Badges */
.powerbi-badges,
.mysql-badges,
.python-badges {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.badge {
    background: rgba(255, 255, 255, 0.2) !important;
    color: var(--white) !important;
    padding: 0.7rem 1.5rem !important;
    border-radius: 30px !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    backdrop-filter: blur(10px) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    display: inline-block !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2) !important;
}

.badge.free {
    background: var(--secondary-color) !important;
}

.badge.level {
    background: var(--accent-color) !important;
}

.badge.duration {
    background: rgba(255, 165, 0, 0.95) !important;
}

.badge.projects {
    background: rgba(156, 39, 176, 0.95) !important;
}

/* Course Stats */
.powerbi-stats,
.mysql-stats,
.python-stats,
.curriculum-stats {
    display: flex !important;
    gap: 4rem !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    margin-top: 3rem !important;
}

.stat-item {
    text-align: center !important;
}

.stat-number {
    display: block !important;
    font-size: 3.5rem !important;
    font-weight: 800 !important;
    color: var(--accent-color) !important;
    margin-bottom: 0.5rem !important;
    line-height: 1 !important;
}

.stat-label {
    display: block !important;
    font-size: 1rem !important;
    opacity: 0.95 !important;
    color: var(--white) !important;
    font-weight: 500 !important;
}

/* Learning Path */
.learning-path {
    background: var(--white) !important;
    padding: 60px 0 !important;
}

.learning-path h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2rem;
}

.path-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.path-step {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    transition: var(--transition);
}

.path-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.path-step h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.path-step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.path-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    display: none;
}

@media (min-width: 768px) {
    .path-arrow {
        display: block;
    }
}

/* Value Proposition Box */
.value-proposition {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: var(--white) !important;
    padding: 2.5rem !important;
    border-radius: 15px !important;
    margin: 3rem auto !important;
    max-width: 900px !important;
    box-shadow: var(--shadow-hover) !important;
}

.value-badge {
    background: var(--secondary-color) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: 25px !important;
    font-weight: 700 !important;
    display: inline-block !important;
    margin-bottom: 1.5rem !important;
}

.value-proposition h3 {
    color: var(--white) !important;
    font-size: 1.8rem !important;
    margin-bottom: 1.5rem !important;
}

.value-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
    gap: 1rem !important;
    margin: 2rem 0 !important;
}

.value-item {
    background: rgba(255, 255, 255, 0.1) !important;
    padding: 1.2rem !important;
    border-radius: 10px !important;
    backdrop-filter: blur(10px) !important;
    transition: var(--transition) !important;
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    transform: translateY(-2px);
}

.value-item p {
    color: var(--white) !important;
    margin: 0 !important;
}

.value-note {
    background: rgba(255, 255, 255, 0.1) !important;
    padding: 1rem !important;
    border-radius: 10px !important;
    margin-top: 1.5rem !important;
    text-align: center !important;
}

.value-note a {
    color: var(--accent-color) !important;
    font-weight: 600 !important;
}

/* Video Section */
.video-section {
    background: var(--primary-dark) !important;
    padding: 2rem !important;
    margin: 2rem 0 !important;
    border-radius: 15px !important;
    border: 2px solid var(--accent-color) !important;
}

.video-section h3 {
    color: var(--accent-color) !important;
    text-align: center !important;
    margin-bottom: 1.5rem !important;
}

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

.video-container video {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.video-caption {
    color: var(--accent-color) !important;
    text-align: center !important;
    margin-top: 1rem !important;
    font-style: italic;
}

/* Project Cards */
.project-based-learning {
    background: var(--bg-light) !important;
    padding: 60px 0 !important;
}

.project-based-learning h2 {
    text-align: center !important;
    color: var(--primary-color) !important;
    margin-bottom: 3rem !important;
}

.project-card {
    background: var(--white) !important;
    padding: 2rem !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow) !important;
    transition: var(--transition) !important;
}

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

.project-card h3 {
    color: var(--primary-color) !important;
    margin-bottom: 1rem !important;
}

.project-card p {
    color: var(--text-light) !important;
    line-height: 1.6 !important;
}

/* Icon styling */
.powerbi-icon,
.mysql-icon,
.python-icon,
.course-icon {
    font-size: 5rem !important;
    margin-bottom: 1.5rem !important;
    display: block !important;
}

/* Module/Curriculum sections */
.modules-section {
    padding: 60px 0;
    background: var(--white);
}

.module-card {
    background: var(--white);
    border: 2px solid var(--bg-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.module-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.module-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.module-card ul {
    list-style: none;
    padding-left: 0;
}

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

.module-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

/* Remove hero banner images from all pages */
.hero-banner-img,
img[src*="unsplash.com/photo-1519389950473"] {
    display: none !important;
}

/* Fix stats display with better colors */
.stat-number {
    color: var(--accent-color) !important;
}

/* Next steps / CTA sections */
.next-steps {
    background: var(--bg-light);
    padding: 60px 0;
    text-align: center;
}

.next-steps h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.next-steps p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    padding: 1rem 2rem !important;
    border-radius: var(--border-radius) !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: var(--transition) !important;
    display: inline-block;
}

.cta-button:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Override project images to be smaller and cleaner */
.project-based-learning img,
section img[src*="unsplash"] {
    max-width: 600px !important;
    margin: 0 auto 2rem !important;
    border-radius: 15px !important;
    box-shadow: var(--shadow) !important;
}