/* Projects Theme - Dark Monochrome */

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

/* Quote Splash Screen */
.quote-splash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1a1a;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 2rem;
    opacity: 1;
    animation: quoteFadeOut 1s ease-in-out forwards;
    animation-delay: 2s;
    pointer-events: none;
}

.quote-text {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 300;
    text-align: center;
    line-height: 1.4;
    max-width: 90%;
    color: #e0e0e0;
    opacity: 0;
    animation: quoteFadeIn 1.5s ease-in-out forwards;
    animation-delay: 0.5s;
}

@keyframes quoteFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes quoteFadeOut {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

:root {
    --primary-orange: #FFFFFF;
    --primary-orange-hover: #CCCCCC;
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    --border-color: #333333;
    --code-bg: #0d0d0d;
    --code-text: #e0e0e0;
    --bg-tertiary-rgb: 45, 45, 45;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-lg: 0 10px 40px 0 rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(255, 255, 255, 0.005);
    --glass-border: rgba(255, 255, 255, 0.12);
    --accent-teal: #00BCD4;
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
}

body {
    font-family: 'Corbel Light', 'Corbel', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    transition: max-width 0.4s ease;
}

.container.full-width {
    max-width: 100% !important;
}

.full-width-section {
    padding: 0 48px;
    width: 100%;
}

/* Navigation */
.navbar {
    background-color: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    margin: 0;
}

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

.logo h1 {
    color: var(--primary-orange);
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
    padding: 8px 16px;
    border-radius: 6px;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--bg-tertiary);
    color: var(--primary-orange);
}

/* Curriculum Section */
.curriculum {
    padding: 80px 0;
    background: none;
    scroll-margin-top: 70px;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

/* Domain Section */
.domain-section {
    margin-bottom: 64px;
}

.domain-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.domain-icon {
    font-size: 28px;
}

.domain-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.domain-count {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

/* Project Cards Grid */
.chapters-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 24px;
    padding: 0;
    justify-items: center;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.chapter-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 12px;
    padding: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 220px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.chapter-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-orange);
}

.chapter-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-orange);
    opacity: 0.3;
    margin-bottom: 10px;
    font-family: monospace;
}

.chapter-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
}

.chapter-card p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 13px;
}

.chapter-topics {
    list-style: none;
    margin-bottom: 12px;
}

.chapter-topics li {
    padding: 4px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 18px;
    font-size: 12px;
}

.chapter-topics li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

/* Tool Badges */
.tool-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: auto;
}

.tool-badge {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03rem;
}

.tool-badge.sql {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.tool-badge.python {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.tool-badge.excel {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.difficulty-badge {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03rem;
}

.difficulty-badge.beginner {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.difficulty-badge.intermediate {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.difficulty-badge.advanced {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* Footer */
.footer {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
}

.footer p {
    font-size: 14px;
    margin: 4px 0;
}

.footer a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 500;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chapters-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .domain-title {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .chapters-grid {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-orange);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange-hover);
}

::selection {
    background-color: var(--primary-orange);
    color: #000000;
}