/* ᚱ Rune — Mystical Dark Theme */
:root {
    --bg-deep: #0a0a1a;
    --bg-card: #12122a;
    --bg-terminal: #1a1a2e;
    --purple: #9b59b6;
    --cyan: #00d4ff;
    --magenta: #ff00ff;
    --gold: #ffd700;
    --text: #e0e0e8;
    --text-dim: #6a6a8a;
    --glow-purple: 0 0 20px #9b59b6, 0 0 40px #9b59b680, 0 0 80px #9b59b640;
    --glow-cyan: 0 0 10px #00d4ff, 0 0 30px #00d4ff60;
}

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

body {
    background: var(--bg-deep);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

#rune-particles {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

section, footer { position: relative; z-index: 1; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.rune-border {
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    color: var(--purple);
    text-shadow: var(--glow-purple);
    animation: pulse 3s ease-in-out infinite;
    margin: 1rem 0;
}

h1.glow {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: 0.3em;
    color: var(--cyan);
    text-shadow: var(--glow-cyan);
    margin: 1rem 0;
    animation: glow-breathe 4s ease-in-out infinite;
}

.tagline {
    font-size: 1.5rem;
    color: var(--gold);
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.sub {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

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

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--purple), var(--cyan));
    color: #fff;
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(155, 89, 182, 0.6);
}

.btn-secondary {
    border: 1px solid var(--cyan);
    color: var(--cyan);
}
.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

/* Section titles */
.section-title {
    text-align: center;
    font-size: 2rem;
    margin: 4rem 0 2rem;
    color: var(--cyan);
    text-shadow: var(--glow-cyan);
}

/* Features */
.features { padding: 2rem; max-width: 1200px; margin: 0 auto; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid #2a2a4a;
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.feature-card:hover {
    border-color: var(--purple);
    box-shadow: 0 0 20px rgba(155, 89, 182, 0.2);
    transform: translateY(-4px);
}

.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-card h3 { color: var(--cyan); margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-dim); font-size: 0.95rem; }

/* Terminal Demo */
.demo { padding: 2rem; max-width: 800px; margin: 0 auto; }

.terminal {
    background: var(--bg-terminal);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid #2a2a4a;
}

.terminal-header {
    background: #2a2a3e;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.terminal-title { color: var(--text-dim); font-size: 0.85rem; margin-left: auto; }

.terminal-body {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
}

.terminal-body .line {
    opacity: 0;
    animation: type-in 0.3s ease forwards;
}

.terminal-body .prompt { color: var(--cyan); font-weight: bold; }
.terminal-body .dim { color: var(--text-dim); }
.terminal-body .success { color: #28c840; }
.terminal-body .warn { color: #feca57; }
.terminal-body .input { color: #fff; font-weight: bold; }
.terminal-body .separator { color: var(--text-dim); }
.terminal-body .output { color: var(--text); }

/* Security */
.security { padding: 2rem; max-width: 900px; margin: 0 auto; }

.magic-circle-container {
    margin-top: 2rem;
}

.magic-circle-svg {
    display: block;
    max-width: 600px;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 0 40px rgba(155, 89, 182, 0.15));
}

.magic-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid #2a2a4a;
    border-radius: 12px;
}

.magic-legend-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
    box-shadow: 0 0 8px currentColor;
}

.magic-legend-item strong {
    display: block;
    color: var(--text);
    font-size: 0.85rem;
}

.magic-legend-item small {
    color: var(--text-dim);
    font-size: 0.75rem;
}

/* Concourse */
.concourse { padding: 2rem; max-width: 700px; margin: 0 auto; }

.section-desc {
    text-align: center;
    color: var(--text-dim);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* Install */
.install { padding: 2rem; max-width: 700px; margin: 0 auto; }

.install-steps { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem; }

.code-block {
    background: var(--bg-terminal);
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    background: #2a2a3e;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.code-block pre {
    padding: 1rem 1.5rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--cyan);
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem 2rem;
    color: var(--text-dim);
}
footer a { color: var(--cyan); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .dim { opacity: 0.4; margin-top: 1rem; }

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

@keyframes glow-breathe {
    0%, 100% { text-shadow: 0 0 10px #00d4ff, 0 0 30px #00d4ff60; }
    50% { text-shadow: 0 0 20px #00d4ff, 0 0 60px #00d4ff80, 0 0 100px #00d4ff40; }
}

@keyframes type-in {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 600px) {
    h1.glow { font-size: 2.5rem; letter-spacing: 0.15em; }
    .rune-border { font-size: 1rem; letter-spacing: 0.3rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .terminal-body { font-size: 0.75rem; padding: 1rem; }
}