/* ==========================================================================
   STEAM PYTHON PROJECT PAGE REDESIGN - STEAM BLUE & PYTHON GOLD THEME
   ========================================================================== */

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

:root {
    --steam-blue: #00adff;
    --steam-dark-blue: #1b2838;
    --python-blue: #3776ab;
    --python-gold: #ffd43b;
    
    --primary-gradient: linear-gradient(135deg, #00adff, #3776ab);
    --secondary-gradient: linear-gradient(135deg, #3776ab, #ffd43b);
    
    --glow-blue: rgba(0, 173, 255, 0.45);
    --glow-gold: rgba(255, 212, 59, 0.45);
    
    --bg-dark: #070b14;
    --surface-glass: rgba(15, 25, 42, 0.85);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 173, 255, 0.35);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-code: 'Fira Code', monospace;
}

/* Reset & Base Body */
body.steam-redesign {
    background-color: var(--bg-dark) !important;
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        linear-gradient(rgba(7, 11, 20, 0.88), rgba(7, 11, 20, 0.94)),
        radial-gradient(circle at 15% 15%, rgba(0, 173, 255, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 85% 55%, rgba(255, 212, 59, 0.12) 0%, transparent 45%),
        url("../../images/header.jpg") !important;
    background-size: cover !important;
    background-position: center top !important;
    background-attachment: fixed !important;
}

#page-wrapper {
    background: transparent !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
}

main {
    flex: 1 0 auto;
}

/* Navigation Bar */
#nav {
    background: rgba(7, 11, 20, 0.88);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    position: sticky;
    top: 0;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 2.5rem 1.5rem 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.hero-badge-container {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.hero-badge {
    background: rgba(0, 173, 255, 0.12);
    color: var(--steam-blue);
    border: 1px solid var(--border-glow);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-badge.gold {
    background: rgba(255, 212, 59, 0.12);
    color: var(--python-gold);
    border-color: rgba(255, 212, 59, 0.35);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #ffffff 40%, var(--steam-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 25px var(--glow-blue));
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}

/* Floating Table of Contents */
.toc-section {
    position: fixed;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 220px;
    padding: 1.5rem;
    background: rgba(15, 25, 42, 0.85);
    border: 1px solid var(--border-glow);
    border-radius: 18px;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 173, 255, 0.15);
}

.toc-title {
    font-family: var(--font-display);
    color: var(--steam-blue);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.2rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0.6rem;
}

.toc-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    list-style: none;
    padding: 0;
}

.toc-links li a {
    color: #64748b;
    text-decoration: none;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.88rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toc-links li a:hover,
.toc-links li a.active {
    color: var(--steam-blue);
    text-shadow: 0 0 10px var(--glow-blue);
    transform: translateX(4px);
}

/* Content Sections */
.content-section {
    max-width: 950px;
    margin: 0 auto 3rem auto;
    padding: 2.5rem;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.content-section:hover {
    border-color: var(--border-glow);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 173, 255, 0.18);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1rem;
}

.content-section h2 {
    font-family: var(--font-display);
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.content-section h3 {
    font-family: var(--font-display);
    color: var(--python-gold);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--steam-blue);
    background: rgba(0, 173, 255, 0.12);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 173, 255, 0.3);
}

.section-tag.gold {
    color: var(--python-gold);
    background: rgba(255, 212, 59, 0.12);
    border-color: rgba(255, 212, 59, 0.3);
}

/* Hardware Spec Grid Cards */
.hardware-spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 1.8rem 0;
}

.hardware-card {
    background: rgba(10, 18, 32, 0.8);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.4rem;
    transition: all 0.3s ease;
}

.hardware-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 173, 255, 0.2);
    transform: translateY(-4px);
}

.hardware-card-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    display: block;
}

.hardware-card h4 {
    font-family: var(--font-display);
    color: var(--steam-blue);
    font-size: 1.1rem;
    margin: 0 0 0.4rem 0;
}

.hardware-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.tech-pills {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.pill {
    background: rgba(0, 173, 255, 0.12);
    border: 1px solid rgba(0, 173, 255, 0.3);
    color: var(--steam-blue);
    padding: 0.3rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 20px;
}

.pill.gold {
    background: rgba(255, 212, 59, 0.12);
    border-color: rgba(255, 212, 59, 0.3);
    color: var(--python-gold);
}

.content-section p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.content-section p code {
    background: rgba(0, 173, 255, 0.15);
    color: var(--steam-blue);
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    font-family: var(--font-code);
    font-size: 0.9rem;
}

/* Code Snippet Wrapper */
.code-wrapper {
    background: #060a12;
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    overflow: hidden;
    margin-top: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.code-header {
    background: rgba(15, 25, 42, 0.9);
    padding: 0.75rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-glass);
}

.code-title {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.code-lang {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--python-gold);
    background: rgba(255, 212, 59, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    margin-right: 0.6rem;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--steam-blue);
    border-color: var(--steam-blue);
    color: #ffffff;
    box-shadow: 0 0 10px var(--glow-blue);
}

pre[class*="language-"] {
    margin: 0 !important;
    padding: 1.2rem !important;
    background: transparent !important;
    font-family: var(--font-code) !important;
    font-size: 0.9rem !important;
    line-height: 1.6 !important;
    border: none !important;
}

/* Footer */
#footer {
    background: rgba(7, 11, 20, 0.95);
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-glass);
    margin-top: auto;
}

.copyright {
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media screen and (max-width: 1280px) {
    .toc-section {
        position: static;
        width: auto;
        max-width: 950px;
        margin: 0 auto 3rem;
        transform: none;
        text-align: center;
    }
    
    .toc-links {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.2rem;
    }
}