/* ==========================================================================
   nullhex // Engineering Noir Design System
   ========================================================================== */

/* ==========================================================================
   Subtle grid background
   Increase grid line opacity from 0.015 to 0.025
   Increase dot opacity from 0.07 to 0.1
   ========================================================================== */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle, rgba(74, 246, 38, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(74, 246, 38, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 246, 38, 0.025) 1px, transparent 1px);
    background-size: 50px 50px, 50px 50px, 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* Noise texture overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
    backface-visibility: hidden;
}

/* ==========================================================================
   Scanning Line Animation
   ========================================================================== */

.scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--cyber-green) 50%,
            transparent 100%);
    opacity: 0;
    z-index: 9999;
    pointer-events: none;
    box-shadow: 0 0 30px var(--cyber-green), 0 0 60px var(--cyber-green-dim), 0 0 90px var(--cyber-green-glow);
}

.scan-line.active {
    animation: scanDown 2s ease-in-out forwards;
}

@keyframes scanDown {
    0% {
        top: 0;
        opacity: 0;
    }

    5% {
        opacity: 1;
    }

    95% {
        opacity: 1;
    }

    100% {
        top: 100vh;
        opacity: 0;
    }
}

/* ==========================================================================
   Section Dividers
   ========================================================================== */

.section-divider {
    width: 60%;
    max-width: 600px;
    height: 1px;
    margin: 0 auto;
    background: radial-gradient(ellipse at center, rgba(74, 246, 38, 0.2), transparent 70%);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg) var(--space-md);
    position: relative;
}

/* Atmospheric spotlight behind hero */
.hero::before {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 140%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(74, 246, 38, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

/* Logo */
.logo-container {
    margin-bottom: var(--space-lg);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    width: 600px;
    height: auto;
    max-width: 90vw;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    object-position: center;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter var(--transition-base);
    filter: drop-shadow(0 0 15px rgba(74, 246, 38, 0.2));
    opacity: 0;
    animation: logoReveal 1.8s ease-out 0.3s forwards;
}

.logo-container:hover .logo {
    filter: drop-shadow(0 0 30px rgba(74, 246, 38, 0.4)) drop-shadow(0 0 60px rgba(74, 246, 38, 0.2));
}

@keyframes logoReveal {
    0% { opacity: 0; transform: scale(0.97); filter: blur(8px); }
    60% { opacity: 0.8; filter: blur(2px); }
    100% { opacity: 1; transform: scale(1); filter: blur(0); }
}

.thorax-hex {
    animation: hexPulse 3s ease-in-out infinite;
}

@keyframes hexPulse {
    0%, 100% {
        filter: url(#strongGlow);
        stroke: var(--cyber-green);
    }
    50% {
        filter: url(#strongGlow);
        stroke: var(--cyber-green-dim);
    }
}

/* Typography */
.headline-wrapper {
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 2px 20px rgba(74, 246, 38, 0.3));
}

.headline {
    font-family: var(--font-mono);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--cyber-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.sub-headline {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
}

.sub-headline .brand {
    font-family: var(--font-mono);
    color: var(--cyber-green);
    font-weight: 500;
}

.sub-headline .emphasis {
    color: var(--text-primary);
    font-weight: 400;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--cyber-green), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

/* ==========================================================================
   Builds Section
   ========================================================================== */

.builds {
    padding: var(--space-xl) var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--space-lg);
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--cyber-green);
    display: block;
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Build Cards Grid */
.builds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-md);
}

.build-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Protocol prefix */
.protocol-prefix {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cyber-green);
    margin-right: 0.5rem;
    opacity: 0.8;
}

.build-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow var(--transition-base), border-color var(--transition-base);
}

.build-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, var(--glass-border), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.build-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(74, 246, 38, 0.3), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Per-card accent colors on hover */
.build-card-bayos:hover {
    transform: translateY(-6px);
    border-color: rgba(74, 246, 38, 0.2);
    box-shadow:
        0 0 40px rgba(74, 246, 38, 0.2),
        0 0 80px rgba(74, 246, 38, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.3);
}

.build-card-coachsync:hover {
    transform: translateY(-6px);
    border-color: rgba(91, 154, 255, 0.2);
    box-shadow:
        0 0 40px rgba(91, 154, 255, 0.2),
        0 0 80px rgba(91, 154, 255, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.3);
}

.build-card-coachsync:hover::after {
    background: linear-gradient(135deg, rgba(91, 154, 255, 0.3), transparent 50%);
}

.build-card-anthill:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 192, 47, 0.2);
    box-shadow:
        0 0 40px rgba(255, 192, 47, 0.2),
        0 0 80px rgba(255, 192, 47, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.3);
}

.build-card-anthill:hover::after {
    background: linear-gradient(135deg, rgba(255, 192, 47, 0.3), transparent 50%);
}

.build-card:hover::after {
    opacity: 1;
}

.card-inner {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: var(--space-md) calc(var(--space-md) + 0.5rem);
    height: 100%;
    border-radius: 12px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.system-name {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cyber-green);
    letter-spacing: -0.02em;
}

.system-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.stack-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    padding: 3px 8px;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    text-transform: lowercase;
    letter-spacing: 0em;
    white-space: nowrap;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.stack-tag:hover {
    border-color: rgba(74, 246, 38, 0.3);
    color: var(--text-secondary);
}

/* ==========================================================================
   Philosophy Section
   ========================================================================== */

.philosophy {
    padding: var(--space-xl) var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

/* Terminal Block */
.terminal-block {
    background: var(--void-darker);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--space-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--glass-border);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
}

.terminal-dot:nth-child(1) { background: #ff6159; }
.terminal-dot:nth-child(2) { background: #ffc02f; }
.terminal-dot:nth-child(3) { background: #28cd41; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
    transition: color var(--transition-base), text-shadow var(--transition-base);
}

.terminal-block:hover .terminal-title {
    color: var(--cyber-green);
    text-shadow: 0 0 10px rgba(74, 246, 38, 0.5);
}

.terminal-body {
    padding: var(--space-md);
}

.status-line {
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    display: flex;
    gap: 4px;
}

.bracket { color: var(--text-muted); }
.key { color: var(--cyber-green); }
.value { color: var(--text-primary); }

/* Philosophy Quote */
.philosophy-quote {
    margin: 0;
    border: 0;
    padding: 0;
}

.philosophy-quote p {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--cyber-green);
    line-height: 1.8;
    text-shadow: 0 0 20px rgba(74, 246, 38, 0.3);
}

.philosophy-quote cite {
    display: block;
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-style: normal;
    color: var(--text-muted);
}

.philosophy-quote cite::before {
    content: '// ';
    color: var(--text-muted);
}

/* Philosophy Lines (replaces single paragraph) */
.philosophy-lines {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.philosophy-line {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: left;
}

.line-prefix {
    color: var(--cyber-green);
    margin-right: 0.5rem;
}

/* Philosophy Text (anthill page) */
.philosophy-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.9;
    text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-lg) var(--space-md);
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(to bottom, transparent, rgba(74, 246, 38, 0.01));
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.footer-status-line {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-brand {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-email {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.footer-email:hover {
    color: var(--cyber-green);
    text-shadow: 0 0 10px rgba(74, 246, 38, 0.4);
}

.separator {
    color: var(--cyber-green);
    margin: 0 4px;
}

.footer-indicators {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.status-indicator {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-operational {
    color: var(--cyber-green);
}

/* ==========================================================================
   Reveal Animations
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1),
                transform var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Page Header (shared nav bar)
   ========================================================================== */

.page-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--glass-border);
    background: var(--glass-white, rgba(255, 255, 255, 0.03));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-header .logo {
    width: 40px;
    height: auto;
    opacity: 1;
    animation: none;
    filter: drop-shadow(0 0 8px rgba(74, 246, 38, 0.2));
}

.page-header .wordmark {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--cyber-green);
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: text-shadow var(--transition-fast);
}

.page-header .wordmark:hover {
    text-shadow: 0 0 12px rgba(74, 246, 38, 0.5);
}

.page-header nav {
    margin-left: auto;
}

.page-header nav a {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.page-header nav a:hover {
    color: var(--cyber-green);
}

.page-header nav a[aria-current="page"] {
    color: var(--cyber-green);
}

/* ==========================================================================
   Ethos Section (Anthill hero)
   ========================================================================== */

.ethos {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl) var(--space-md);
    position: relative;
}

.ethos-content {
    text-align: center;
    max-width: 800px;
}

.subtitle {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto var(--space-lg);
    line-height: 1.8;
}

.ethos-followup {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: var(--space-md);
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Ethos Quote Block
   ========================================================================== */

.ethos-quote {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-secondary);
    border-left: 3px solid var(--cyber-green);
    padding: var(--space-md) var(--space-md);
    margin: var(--space-lg) auto;
    max-width: 800px;
    background: rgba(74, 246, 38, 0.02);
}

.ethos-quote cite {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: normal;
}

/* ==========================================================================
   Capabilities Grid
   ========================================================================== */

.capabilities {
    padding: var(--space-xl) 0;
}

.capabilities .section-header {
    padding: 0 var(--space-md);
    max-width: 1200px;
    margin: 0 auto var(--space-lg);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Featured cards span full width */
.capability-featured {
    grid-column: 1 / -1;
}

.capability-featured .system-description {
    font-size: 1.0625rem;
}

.capability-featured .system-name {
    font-size: 1.75rem;
}

.capability-card {
    background: var(--void-darker);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    padding: 0;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow var(--transition-base), border-color var(--transition-base);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Alternating card tint */
.capability-alt {
    background: rgba(10, 14, 39, 0.8);
}

.capability-body {
    padding: var(--space-md);
}

/* Capability prefix icons */
.capability-prefix {
    font-family: var(--font-mono);
    color: var(--cyber-green);
    margin-right: 0.5rem;
    font-weight: 400;
}

.capability-card:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 246, 38, 0.2);
    box-shadow:
        0 0 30px rgba(74, 246, 38, 0.15),
        0 10px 40px rgba(0, 0, 0, 0.3);
}

.capability-card:hover .terminal-title {
    color: var(--cyber-green);
    text-shadow: 0 0 10px rgba(74, 246, 38, 0.5);
}

.capability-icon {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--cyber-green);
    margin-bottom: var(--space-sm);
    display: block;
}

.capability-card h3 {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.capability-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   Colony Status (Anthill closing terminal)
   ========================================================================== */

.colony-status {
    padding: var(--space-lg) var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

.terminal-command {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--cyber-green);
    margin-bottom: var(--space-xs);
}

.terminal-output {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    /* Grid visible on mobile, reduced opacity (not hidden) */
    body::before {
        opacity: 0.4;
    }

    /* Noise reduced on mobile */
    body::after {
        opacity: 0.02;
    }

    .card-inner {
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }

    .builds-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; }
    .hero { padding: var(--space-md); }

    .logo {
        width: 80vw;
        max-width: 400px;
    }

    .build-card:hover { transform: translateY(-4px); }
    .terminal-dot { width: 12px; height: 12px; }

    .capabilities-grid { grid-template-columns: 1fr; }

    /* Featured cards revert to normal size on mobile */
    .capability-featured .system-name {
        font-size: 1.5rem;
    }

    .capability-featured .system-description {
        font-size: 0.9375rem;
    }

    .ethos-quote { font-size: 1rem; padding: var(--space-sm) var(--space-sm); }
    .ethos { min-height: auto; padding: var(--space-lg) var(--space-md); }
    .page-header .logo { width: 32px; }

    /* Mobile cards get left green border for visibility */
    .build-card {
        border-left: 2px solid rgba(74, 246, 38, 0.15);
    }

    .capability-card {
        border-left: 2px solid rgba(74, 246, 38, 0.15);
    }

    .footer-indicators {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* ==========================================================================
   Performance: prefers-reduced-motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .scan-line.active {
        animation: none;
    }

    .build-card,
    .capability-card {
        transition: none;
    }

    .build-card:hover,
    .capability-card:hover {
        transform: none;
    }

    .logo {
        animation: none;
        opacity: 1;
    }

    .scroll-line {
        animation: none;
        opacity: 0.5;
    }

    .status-dot {
        animation: none;
    }

    .thorax-hex {
        animation: none;
    }
}