@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0a0c10;
    --bg-secondary: #11141a;
    --bg-card: rgba(20, 24, 33, 0.6);
    --accent: #ff9900;
    --accent-glow: rgba(255, 153, 0, 0.15);
    --accent-hover: #ffb84d;
    --text-primary: #f0f3f6;
    --text-secondary: #a3b3c6;
    --text-muted: #627285;
    --border-color: rgba(255, 153, 0, 0.12);
    --border-hover: rgba(255, 153, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.8);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Glassmorphism Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    background: linear-gradient(135deg, var(--accent) 0%, #ff5500 100%);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-tag {
    font-size: 0.75rem;
    background: rgba(255, 153, 0, 0.1);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    border: 1px solid rgba(255, 153, 0, 0.2);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 80px 24px 60px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 153, 0, 0.08) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 153, 0, 0.08);
    border: 1px solid rgba(255, 153, 0, 0.15);
    padding: 6px 16px;
    border-radius: 20px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ffffff 30%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 600px;
    margin-bottom: 32px;
}

/* Main Container */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.section-title-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-left: auto;
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    transition: var(--transition);
}

.module-card.featured::before {
    background: linear-gradient(to right, var(--accent), #ff5500);
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    background: rgba(24, 28, 38, 0.8);
}

.module-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.module-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    text-transform: uppercase;
}

.badge-easy {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.badge-medium {
    background: rgba(33, 150, 243, 0.1);
    color: #2196f3;
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.badge-hard {
    background: rgba(255, 153, 0, 0.1);
    color: var(--accent);
    border: 1px solid rgba(255, 153, 0, 0.2);
}

.module-duration {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.module-card h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.module-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.module-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
}

.module-card:hover .module-btn {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
}

.module-btn i {
    transition: var(--transition);
}

.module-btn:hover i {
    transform: translateX(4px);
}

/* Amazon Affiliate Card Section */
.amazon-affiliate-card {
    border-top: 3px solid var(--accent);
    background: linear-gradient(145deg, rgba(255, 153, 0, 0.03) 0%, rgba(17, 20, 26, 0.9) 100%);
    padding: 24px;
    border-radius: 16px;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-top: 40px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 153, 0, 0.15);
    padding-bottom: 14px;
    margin-bottom: 18px;
}

.card-header-flex h2 {
    margin: 0;
    font-size: 1.25rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-promo {
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    background: rgba(255, 153, 0, 0.12);
    color: var(--accent);
    border: 1px solid rgba(255, 153, 0, 0.2);
}

.amazon-desc {
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.amz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.amz-item-card {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 153, 0, 0.08);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    height: 100%;
}

.amz-item-card:hover {
    background: rgba(255, 153, 0, 0.04);
    border-color: rgba(255, 153, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.15);
}

.amz-title-flex {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.amz-icon-box {
    background: rgba(255, 153, 0, 0.08);
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    border: 1px solid rgba(255, 153, 0, 0.15);
}

.amz-item-card strong {
    color: var(--accent);
    font-size: 0.95rem;
    font-family: 'Outfit', sans-serif;
}

.amz-item-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 12px;
    flex-grow: 1;
}

.amz-action-text {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
}

/* Footer Section */
footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    background: var(--bg-secondary);
}

.footer-links {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .amz-grid {
        grid-template-columns: 1fr;
    }
}

/* Language Selector Dropdown */
.lang-selector {
    position: relative;
    display: inline-block;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.lang-btn:hover {
    background: rgba(255, 153, 0, 0.08);
    border-color: var(--accent);
    color: var(--accent);
}

.lang-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 140px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.lang-dropdown a {
    color: var(--text-secondary);
    padding: 10px 14px;
    text-decoration: none;
    display: block;
    font-size: 0.85rem;
    transition: var(--transition);
}

.lang-dropdown a:hover {
    background: rgba(255, 153, 0, 0.08);
    color: var(--accent);
}

.lang-dropdown::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    width: 100%;
    height: 12px;
}

.lang-selector:hover .lang-dropdown {
    display: block;
}

/* Tools Selector Dropdown */
.tools-selector {
    position: relative;
    display: inline-block;
    margin-right: 12px;
}

.tools-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.tools-btn:hover {
    background: rgba(255, 153, 0, 0.08);
    border-color: var(--accent);
    color: var(--accent);
}

.tools-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 220px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.tools-dropdown a {
    color: var(--text-secondary);
    padding: 10px 14px;
    text-decoration: none;
    display: block;
    font-size: 0.85rem;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.tools-dropdown a:last-child {
    border-bottom: none;
}

.tools-dropdown a:hover {
    background: rgba(255, 153, 0, 0.08);
    color: var(--accent);
}

.tools-dropdown::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    width: 100%;
    height: 12px;
}

.tools-selector:hover .tools-dropdown {
    display: block;
}

/* Course List Preview in Module Cards */
.course-list-preview {
    margin-top: 16px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 8px;
    padding: 12px 16px;
    border: 1px dashed rgba(255, 255, 255, 0.05);
}

.course-list-preview ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.course-list-preview li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-list-preview i {
    color: var(--accent);
    font-size: 0.85rem;
}

/* Mobile Click Fallbacks */
.lang-selector.show-dropdown .lang-dropdown,
.tools-selector.show-dropdown .tools-dropdown {
    display: block;
}