/* ============================================
   SAILFISH CYBERDECK PROJECT - TERMINAL AESTHETIC
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Share+Tech+Mono&display=swap');

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #00ff41;
    --text-secondary: #00cc33;
    --text-dim: #007722;
    --text-highlight: #39ff14;
    --accent-cyan: #00ffff;
    --accent-amber: #ffaa00;
    --accent-red: #ff3333;
    --border-color: #00ff4140;
    --glow-primary: 0 0 10px #00ff4130, 0 0 20px #00ff4120, 0 0 30px #00ff4110;
    --glow-strong: 0 0 5px #00ff41, 0 0 10px #00ff4180, 0 0 20px #00ff4140;
    --scanline-opacity: 0.03;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 15px;
    min-height: 100vh;
    position: relative;
}

/* CRT Scanline Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 65, var(--scanline-opacity)) 2px,
        rgba(0, 255, 65, var(--scanline-opacity)) 4px
    );
    z-index: 9999;
}

/* CRT Flicker Animation */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    97% { opacity: 0.9; }
}

body {
    animation: flicker 8s infinite;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--glow-primary);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
    text-shadow: var(--glow-strong);
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-text .highlight {
    color: var(--accent-cyan);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    flex-wrap: wrap;
}

nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

nav a:hover,
nav a.active {
    color: var(--text-primary);
    border-color: var(--border-color);
    background: var(--bg-tertiary);
    text-shadow: var(--glow-strong);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    text-shadow: var(--glow-strong);
}

.hero h1 .cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero .tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.hero .specs {
    display: inline-flex;
    gap: 2rem;
    padding: 1rem 2rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero .specs span {
    color: var(--text-dim);
}

.hero .specs strong {
    color: var(--accent-cyan);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
    padding: 3rem 0;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-highlight);
}

h2::before {
    content: '> ';
    color: var(--accent-cyan);
}

h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-amber);
    margin: 1.5rem 0 0.75rem;
    letter-spacing: 1px;
}

h3::before {
    content: '# ';
    color: var(--text-dim);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-cyan);
    transition: all 0.2s ease;
}

a:hover {
    color: var(--text-highlight);
    border-bottom-style: solid;
    text-shadow: var(--glow-strong);
}

/* ============================================
   TERMINAL BLOCKS
   ============================================ */

.terminal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin: 1.5rem 0;
    overflow: hidden;
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.terminal-body {
    padding: 1rem;
    overflow-x: auto;
}

pre, code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.command::before {
    content: '$ ';
    color: var(--accent-cyan);
}

.output {
    color: var(--text-dim);
}

.comment {
    color: #666;
    font-style: italic;
}

/* ============================================
   SPEC TABLES
   ============================================ */

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.spec-table th,
.spec-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.spec-table th {
    background: var(--bg-tertiary);
    color: var(--accent-amber);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.spec-table td {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.spec-table tr:hover td {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.spec-table .label {
    color: var(--text-dim);
    width: 40%;
}

.spec-table .value {
    color: var(--text-primary);
}

/* ============================================
   INFO BOXES
   ============================================ */

.info-box {
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    border-left: 3px solid;
    background: var(--bg-secondary);
}

.info-box.note {
    border-color: var(--accent-cyan);
}

.info-box.warning {
    border-color: var(--accent-amber);
}

.info-box.danger {
    border-color: var(--accent-red);
}

.info-box.success {
    border-color: var(--text-primary);
}

.info-box-title {
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.info-box.note .info-box-title { color: var(--accent-cyan); }
.info-box.warning .info-box-title { color: var(--accent-amber); }
.info-box.danger .info-box-title { color: var(--accent-red); }
.info-box.success .info-box-title { color: var(--text-primary); }

.info-box p:last-child {
    margin-bottom: 0;
}

/* ============================================
   COMPONENT CARDS
   ============================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.2s ease;
}

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

.card-title {
    font-size: 1rem;
    color: var(--text-highlight);
    margin-bottom: 0.75rem;
    letter-spacing: 1px;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 0.9rem;
}

/* ============================================
   LISTS
   ============================================ */

ul, ol {
    margin: 1rem 0 1rem 1.5rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

ul li::marker {
    content: '▹ ';
    color: var(--accent-cyan);
}

ol li::marker {
    color: var(--accent-amber);
}

/* ============================================
   STEP INDICATORS
   ============================================ */

.step {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    text-shadow: var(--glow-strong);
}

.step-content h3 {
    margin-top: 0;
}

.step-content h3::before {
    content: none;
}

/* ============================================
   PAGE NAVIGATION
   ============================================ */

.page-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.page-nav a {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.2s ease;
    min-width: 200px;
}

.page-nav a:hover {
    border-color: var(--text-primary);
    box-shadow: var(--glow-primary);
}

.page-nav .label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.page-nav .title {
    color: var(--text-primary);
    font-weight: 500;
}

.page-nav .next {
    text-align: right;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

footer p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

footer .status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

footer .status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 5px var(--text-primary); }
    50% { opacity: 0.5; box-shadow: none; }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-cyan { color: var(--accent-cyan); }
.text-amber { color: var(--accent-amber); }
.text-red { color: var(--accent-red); }
.text-green { color: var(--text-primary); }
.text-dim { color: var(--text-dim); }

.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 1.75rem;
        letter-spacing: 2px;
    }
    
    .hero .specs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .page-nav {
        flex-direction: column;
    }
    
    .page-nav a {
        min-width: 100%;
    }
    
    .page-nav .next {
        text-align: left;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    body::before {
        display: none;
    }
    
    body {
        animation: none;
        background: white;
        color: black;
    }
    
    .terminal {
        border: 1px solid #ccc;
    }
    
    a {
        color: black;
    }
}