/**
 * Samson AI Industrial Design System
 * $100M Valuation Aesthetic - Heavy-Duty Enterprise Intelligence
 *
 * Based on:
 * - Refined Industrialism (Infrastructure)
 * - Swiss-Cybernetic Minimalism (Speed)
 * - Agentic Orchestrator (Mind)
 */

/* ============================================
   CSS CUSTOM PROPERTIES - DESIGN TOKENS
   ============================================ */

:root {
    /* === COLORS: CONCRETE & STEEL === */

    /* Background System - Concrete Dark */
    --samson-bg-primary: #0f0f0f;
    --samson-bg-secondary: #1a1a1a;
    --samson-bg-tertiary: #141414;
    --samson-bg-elevated: #1f1f1f;
    --samson-bg-panel: #181818;

    /* Light Panel Backgrounds - Concrete Grey */
    --samson-bg-light: #F2F2F2;
    --samson-bg-light-elevated: #E8E8E8;
    --samson-bg-light-panel: #EBEBEB;

    /* Primary Accent - Electric Blue */
    --samson-navy: #3B82F6;
    --samson-navy-hover: #2563EB;
    --samson-navy-active: #1D4ED8;
    --samson-navy-glow: rgba(59, 130, 246, 0.4);
    --samson-navy-subtle: rgba(59, 130, 246, 0.1);

    /* Steel Grey Tones */
    --samson-steel-100: #888888;
    --samson-steel-200: #666666;
    --samson-steel-300: #555555;
    --samson-steel-400: #444444;
    --samson-steel-500: #333333;
    --samson-steel-600: #2a2a2a;
    --samson-steel-700: #222222;

    /* Text Colors */
    --samson-text-primary: #FFFFFF;
    --samson-text-secondary: #A0A0A0;
    --samson-text-tertiary: #707070;
    --samson-text-muted: #505050;

    /* Status LED Colors */
    --samson-led-green: #00FF66;
    --samson-led-amber: #FFAA00;
    --samson-led-red: #FF3333;
    --samson-led-blue: #0088FF;
    --samson-led-green-glow: rgba(0, 255, 102, 0.5);
    --samson-led-amber-glow: rgba(255, 170, 0, 0.5);
    --samson-led-red-glow: rgba(255, 51, 51, 0.5);

    /* Border Colors */
    --samson-border: rgba(255, 255, 255, 0.08);
    --samson-border-strong: rgba(255, 255, 255, 0.15);
    --samson-border-panel: rgba(255, 255, 255, 0.06);
    --samson-border-rack: #2a2a2a;

    /* === TYPOGRAPHY === */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;

    /* Type Scale - 8pt Grid */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 2rem;      /* 32px */
    --text-4xl: 2.5rem;    /* 40px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 4rem;      /* 64px */

    /* Letter Spacing */
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.02em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* === SPACING - 8pt Grid === */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */

    /* === BORDER RADIUS - Sharp = Precision === */
    --radius-none: 0;
    --radius-sm: 2px;
    --radius-base: 4px;
    --radius-md: 4px;
    --radius-lg: 4px;

    /* === MOTION - Machine-like Speed === */
    --duration-instant: 50ms;
    --duration-fast: 100ms;
    --duration-normal: 150ms;
    --duration-slow: 200ms;
    --easing-snap: cubic-bezier(0.22, 1, 0.36, 1);
    --easing-smooth: ease-out;

    /* === SHADOWS === */
    --shadow-panel: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-led: 0 0 12px;
    --shadow-navy-glow: 0 0 30px var(--samson-navy-glow);
}


/* ============================================
   BASE STYLES
   ============================================ */

.samson-industrial {
    font-family: var(--font-primary);
    background-color: var(--samson-bg-primary);
    color: var(--samson-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* ============================================
   NOISE TEXTURE OVERLAY
   ============================================ */

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.noise-overlay-light {
    opacity: 0.02;
}


/* ============================================
   TYPOGRAPHY
   ============================================ */

/* Headings - Neo-Grotesque with tight tracking */
.samson-h1 {
    font-family: var(--font-primary);
    font-size: var(--text-6xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
    color: var(--samson-text-primary);
}

.samson-h2 {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.2;
    color: var(--samson-text-primary);
}

.samson-h3 {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    line-height: 1.3;
    color: var(--samson-text-primary);
}

.samson-h4 {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: var(--tracking-normal);
    line-height: 1.4;
    color: var(--samson-text-primary);
}

/* Body Text */
.samson-body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--samson-text-secondary);
}

.samson-body-sm {
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 400;
    line-height: 1.5;
    color: var(--samson-text-secondary);
}

/* Monospace - Data & Code */
.samson-mono {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.5;
}

.samson-mono-xs {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 400;
}

.samson-mono-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--samson-text-tertiary);
}

/* Navy Blue Text */
.samson-text-navy {
    color: var(--samson-navy);
}


/* ============================================
   BENTO GRID SYSTEM - 8pt Grid
   ============================================ */

.samson-grid {
    display: grid;
    gap: var(--space-4);
}

.samson-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.samson-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.samson-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Bento Layout */
.samson-bento {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(12, 1fr);
}

.samson-bento-span-3 {
    grid-column: span 3;
}

.samson-bento-span-4 {
    grid-column: span 4;
}

.samson-bento-span-6 {
    grid-column: span 6;
}

.samson-bento-span-8 {
    grid-column: span 8;
}

.samson-bento-span-12 {
    grid-column: span 12;
}

@media (max-width: 768px) {
    .samson-bento-span-3,
    .samson-bento-span-4,
    .samson-bento-span-6,
    .samson-bento-span-8 {
        grid-column: span 12;
    }
}


/* ============================================
   INDUSTRIAL PANELS - Rack-Mount Style
   ============================================ */

/* Base Panel */
.samson-panel {
    background: var(--samson-bg-panel);
    border: 1px solid var(--samson-border-panel);
    border-radius: var(--radius-base);
    padding: var(--space-6);
    position: relative;
}

.samson-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--samson-border-rack) 0%, transparent 50%, var(--samson-border-rack) 100%);
}

/* Rack-Mount Module */
.samson-rack-module {
    background: var(--samson-bg-panel);
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    position: relative;
    overflow: hidden;
}

.samson-rack-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        var(--samson-steel-600) 0%,
        var(--samson-steel-400) 2%,
        var(--samson-steel-600) 4%,
        transparent 4%,
        transparent 96%,
        var(--samson-steel-600) 96%,
        var(--samson-steel-400) 98%,
        var(--samson-steel-600) 100%
    );
}

.samson-rack-module::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        var(--samson-steel-600) 0%,
        var(--samson-steel-400) 2%,
        var(--samson-steel-600) 4%,
        transparent 4%,
        transparent 96%,
        var(--samson-steel-600) 96%,
        var(--samson-steel-400) 98%,
        var(--samson-steel-600) 100%
    );
}

.samson-rack-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--samson-border);
    background: var(--samson-bg-secondary);
}

.samson-rack-body {
    padding: var(--space-6);
}

.samson-rack-footer {
    padding: var(--space-3) var(--space-6);
    border-top: 1px solid var(--samson-border);
    background: var(--samson-bg-secondary);
}

/* Panel with thick dividers */
.samson-panel-divider {
    height: 2px;
    background: var(--samson-steel-600);
    margin: var(--space-4) 0;
}

/* Elevated Panel */
.samson-panel-elevated {
    background: var(--samson-bg-elevated);
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-panel);
}


/* ============================================
   STATUS LED INDICATORS
   ============================================ */

.samson-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    position: relative;
}

.samson-led-lg {
    width: 12px;
    height: 12px;
}

/* Green - Active/Online */
.samson-led-green {
    background: var(--samson-led-green);
    box-shadow: var(--shadow-led) var(--samson-led-green-glow);
}

.samson-led-green.pulse {
    animation: led-pulse-green 2s ease-in-out infinite;
}

/* Amber - Warning/Processing */
.samson-led-amber {
    background: var(--samson-led-amber);
    box-shadow: var(--shadow-led) var(--samson-led-amber-glow);
}

.samson-led-amber.pulse {
    animation: led-pulse-amber 1.5s ease-in-out infinite;
}

/* Red - Error/Offline */
.samson-led-red {
    background: var(--samson-led-red);
    box-shadow: var(--shadow-led) var(--samson-led-red-glow);
}

.samson-led-red.pulse {
    animation: led-pulse-red 1s ease-in-out infinite;
}

/* Blue - Info/Idle */
.samson-led-blue {
    background: var(--samson-led-blue);
    box-shadow: var(--shadow-led) rgba(0, 136, 255, 0.5);
}

/* LED Pulse Animations */
@keyframes led-pulse-green {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 12px var(--samson-led-green-glow);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 6px var(--samson-led-green-glow);
    }
}

@keyframes led-pulse-amber {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 12px var(--samson-led-amber-glow);
    }
    50% {
        opacity: 0.5;
        box-shadow: 0 0 4px var(--samson-led-amber-glow);
    }
}

@keyframes led-pulse-red {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 12px var(--samson-led-red-glow);
    }
    50% {
        opacity: 0.4;
        box-shadow: 0 0 4px var(--samson-led-red-glow);
    }
}


/* ============================================
   TERMINAL / THINKING LOG
   ============================================ */

.samson-terminal {
    background: #0a0a0a;
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    overflow: hidden;
}

.samson-terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--samson-steel-700);
    border-bottom: 1px solid var(--samson-border);
}

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

.samson-terminal-dot-red { background: #FF5F56; }
.samson-terminal-dot-yellow { background: #FFBD2E; }
.samson-terminal-dot-green { background: #27C93F; }

.samson-terminal-title {
    font-size: 11px;
    color: var(--samson-text-tertiary);
    margin-left: var(--space-2);
}

.samson-terminal-body {
    padding: var(--space-4);
    max-height: 300px;
    overflow-y: auto;
}

.samson-terminal-line {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
    line-height: 1.6;
}

.samson-terminal-prompt {
    color: var(--samson-navy);
    user-select: none;
}

.samson-terminal-output {
    color: var(--samson-text-secondary);
}

.samson-terminal-success {
    color: var(--samson-led-green);
}

.samson-terminal-error {
    color: var(--samson-led-red);
}

.samson-terminal-warning {
    color: var(--samson-led-amber);
}

/* Typing cursor animation */
.samson-terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--samson-navy);
    animation: terminal-blink 1s step-end infinite;
    margin-left: 2px;
    vertical-align: middle;
}

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


/* ============================================
   BUTTONS - Industrial CTA
   ============================================ */

/* Primary Button - Navy Blue */
.samson-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--samson-navy);
    color: var(--samson-text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-snap);
    box-shadow: var(--shadow-navy-glow);
}

.samson-btn-primary:hover {
    background: var(--samson-navy-hover);
    transform: translateY(-1px);
    box-shadow: 0 0 40px var(--samson-navy-glow);
}

.samson-btn-primary:active {
    background: var(--samson-navy-active);
    transform: translateY(0);
}

/* Secondary Button - Ghost */
.samson-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: var(--samson-text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-snap);
}

.samson-btn-secondary:hover {
    background: var(--samson-bg-elevated);
    border-color: var(--samson-steel-300);
}

/* Small Button */
.samson-btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}


/* ============================================
   ENGINE CARDS - Rack-Mount Modules
   ============================================ */

.samson-engine-card {
    background: var(--samson-bg-panel);
    border: 1px solid var(--samson-border-panel);
    border-radius: var(--radius-base);
    overflow: hidden;
    transition: border-color var(--duration-normal) var(--easing-snap);
}

.samson-engine-card:hover {
    border-color: var(--samson-border-strong);
}

.samson-engine-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--samson-bg-secondary);
    border-bottom: 2px solid var(--samson-steel-600);
}

.samson-engine-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.samson-engine-id {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--samson-text-tertiary);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.samson-engine-body {
    padding: var(--space-6);
}

.samson-engine-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--samson-navy-subtle);
    border: 1px solid var(--samson-navy);
    border-radius: var(--radius-base);
    margin-bottom: var(--space-4);
}

.samson-engine-name {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--samson-text-primary);
    margin-bottom: var(--space-2);
}

.samson-engine-desc {
    font-size: var(--text-sm);
    color: var(--samson-text-secondary);
    margin-bottom: var(--space-4);
}

.samson-engine-footer {
    padding: var(--space-3) var(--space-4);
    background: var(--samson-bg-secondary);
    border-top: 1px solid var(--samson-border);
}


/* ============================================
   ALGORITHM BOX - Terminal Style
   ============================================ */

.samson-algorithm-box {
    background: #0a0a0a;
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--samson-text-secondary);
    overflow-x: auto;
}

.samson-algorithm-comment {
    color: var(--samson-navy);
    margin-bottom: var(--space-2);
}

.samson-algorithm-formula {
    color: var(--samson-text-primary);
}

.samson-algorithm-variable {
    color: var(--samson-led-green);
}


/* ============================================
   TAGS / BADGES
   ============================================ */

.samson-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--samson-bg-elevated);
    border: 1px solid var(--samson-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--samson-text-secondary);
}

.samson-tag-navy {
    background: var(--samson-navy-subtle);
    border-color: var(--samson-navy);
    color: var(--samson-navy);
}

.samson-tag-green {
    background: rgba(0, 255, 102, 0.1);
    border-color: var(--samson-led-green);
    color: var(--samson-led-green);
}


/* ============================================
   KINETIC ANIMATIONS
   ============================================ */

/* Counting Numbers Animation */
@keyframes count-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.samson-kinetic-number {
    animation: count-up var(--duration-normal) var(--easing-snap);
}

/* Typing Animation */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.samson-typing {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--samson-navy);
    animation: typing 2s steps(30) forwards, terminal-blink 1s step-end infinite;
}

/* Scan Line Effect */
@keyframes scan-line {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

.samson-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--samson-navy), transparent);
    animation: scan-line 3s linear infinite;
    opacity: 0.3;
}

/* Fade In Up */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.samson-fade-in-up {
    animation: fade-in-up 0.4s var(--easing-snap) forwards;
}

/* Stagger children */
.samson-stagger > * {
    opacity: 0;
    animation: fade-in-up 0.4s var(--easing-snap) forwards;
}

.samson-stagger > *:nth-child(1) { animation-delay: 0ms; }
.samson-stagger > *:nth-child(2) { animation-delay: 50ms; }
.samson-stagger > *:nth-child(3) { animation-delay: 100ms; }
.samson-stagger > *:nth-child(4) { animation-delay: 150ms; }
.samson-stagger > *:nth-child(5) { animation-delay: 200ms; }
.samson-stagger > *:nth-child(6) { animation-delay: 250ms; }
.samson-stagger > *:nth-child(7) { animation-delay: 300ms; }


/* ============================================
   SPOTLIGHT HOVER - Cursor-tracking radial glow
   ============================================ */

.spotlight-card {
    position: relative;
}

.spotlight-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        600px circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%),
        rgba(59, 130, 246, 0.06),
        transparent 40%
    );
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

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


/* ============================================
   SCROLL REVEAL - Fade in on viewport entry
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }


/* ============================================
   LIVING MATRIX - Animated A/B test grid
   ============================================ */

.matrix-cell {
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border: 2px solid transparent;
}

.matrix-cell.phase-testing {
    background: rgba(59, 130, 246, 0.2) !important;
    color: #3B82F6 !important;
}

.matrix-cell.phase-killed {
    background: rgba(239, 68, 68, 0.12) !important;
    color: #555 !important;
    opacity: 0.3;
}

.matrix-cell.phase-winner {
    background: rgba(0, 255, 102, 0.2) !important;
    border-color: rgba(0, 255, 102, 0.5) !important;
    color: #00FF66 !important;
    transform: scale(1.1);
    box-shadow: 0 0 16px rgba(0, 255, 102, 0.2);
}


/* ============================================
   SCANNER TERMINAL - Interactive URL input
   ============================================ */

.scanner-terminal {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.scanner-terminal.active {
    border-color: rgba(59, 130, 246, 0.4) !important;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.1);
}

.scanner-micro {
    font-family: var(--font-mono);
    font-size: 10px;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.scanner-micro.visible {
    max-height: 60px;
    opacity: 1;
}

@keyframes scanSweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}


/* ============================================
   DATA PIPELINE PULSE - Animated connectors
   ============================================ */

.pipeline-connector {
    position: relative;
}

.pipeline-line {
    width: 100%;
    height: 2px;
    background: var(--samson-steel-600);
    position: relative;
    overflow: hidden;
}

.pipeline-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--samson-navy);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.8), 0 0 4px rgba(59, 130, 246, 1);
    top: 50%;
    transform: translateY(-50%);
    animation: pipelineFlow 2.5s ease-in-out infinite;
}

@keyframes pipelineFlow {
    0% { left: -8px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: calc(100% + 8px); opacity: 0; }
}

.pipeline-step {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.pipeline-step.pulse {
    border-color: rgba(59, 130, 246, 0.3) !important;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}


/* ============================================
   BOOT SEQUENCE ANIMATION
   ============================================ */

.samson-boot-sequence {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--samson-bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: boot-fade-out 0.5s ease forwards;
    animation-delay: 2.5s;
}

@keyframes boot-fade-out {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

.samson-boot-logo {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--samson-navy);
    margin-bottom: var(--space-8);
    animation: boot-flicker 0.1s linear infinite;
}

@keyframes boot-flicker {
    0%, 90%, 100% { opacity: 1; }
    92%, 94%, 96%, 98% { opacity: 0.8; }
}

.samson-boot-line {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--samson-text-tertiary);
    margin-bottom: var(--space-2);
    opacity: 0;
}

.samson-boot-line:nth-child(2) { animation: boot-line-appear 0.1s ease forwards; animation-delay: 0.3s; }
.samson-boot-line:nth-child(3) { animation: boot-line-appear 0.1s ease forwards; animation-delay: 0.6s; }
.samson-boot-line:nth-child(4) { animation: boot-line-appear 0.1s ease forwards; animation-delay: 0.9s; }
.samson-boot-line:nth-child(5) { animation: boot-line-appear 0.1s ease forwards; animation-delay: 1.2s; }
.samson-boot-line:nth-child(6) { animation: boot-line-appear 0.1s ease forwards; animation-delay: 1.5s; color: var(--samson-led-green); }

@keyframes boot-line-appear {
    to { opacity: 1; }
}

.samson-boot-progress {
    width: 200px;
    height: 2px;
    background: var(--samson-steel-600);
    margin-top: var(--space-8);
    border-radius: 1px;
    overflow: hidden;
}

.samson-boot-progress-bar {
    height: 100%;
    background: var(--samson-navy);
    width: 0;
    animation: boot-progress 2s ease-out forwards;
    animation-delay: 0.2s;
}

@keyframes boot-progress {
    0% { width: 0; }
    100% { width: 100%; }
}


/* ============================================
   DATA VISUALIZATION ELEMENTS
   ============================================ */

/* Node Connector */
.samson-node-connector {
    stroke: var(--samson-navy);
    stroke-width: 1.5;
    fill: none;
    stroke-dasharray: 5 3;
    animation: node-flow 1s linear infinite;
}

@keyframes node-flow {
    to { stroke-dashoffset: -8; }
}

/* Data Point */
.samson-data-point {
    width: 6px;
    height: 6px;
    background: var(--samson-navy);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--samson-navy-glow);
}


/* ============================================
   HEADER - Industrial Style
   ============================================ */

.samson-header {
    background: var(--samson-bg-secondary);
    border-bottom: 2px solid var(--samson-steel-600);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.samson-nav-link {
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--samson-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-snap);
}

.samson-nav-link:hover {
    color: var(--samson-text-primary);
}

.samson-nav-link.active {
    color: var(--samson-navy);
}


/* ============================================
   HERO SECTION - Command Center
   ============================================ */

.samson-hero {
    background: var(--samson-bg-primary);
    position: relative;
    overflow: hidden;
    padding: var(--space-24) 0;
}

.samson-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.samson-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--samson-bg-elevated);
    border: 1px solid var(--samson-border-strong);
    border-radius: var(--radius-base);
    margin-bottom: var(--space-8);
}

.samson-hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.05;
    color: var(--samson-text-primary);
    margin-bottom: var(--space-6);
}

.samson-hero-title .navy {
    color: var(--samson-navy);
}


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

/* Background */
.bg-samson-primary { background-color: var(--samson-bg-primary); }
.bg-samson-secondary { background-color: var(--samson-bg-secondary); }
.bg-samson-elevated { background-color: var(--samson-bg-elevated); }
.bg-samson-panel { background-color: var(--samson-bg-panel); }

/* Text Colors */
.text-samson-primary { color: var(--samson-text-primary); }
.text-samson-secondary { color: var(--samson-text-secondary); }
.text-samson-tertiary { color: var(--samson-text-tertiary); }
.text-samson-navy { color: var(--samson-navy); }

/* Border */
.border-samson { border: 1px solid var(--samson-border); }
.border-samson-strong { border: 1px solid var(--samson-border-strong); }

/* Border Radius */
.rounded-samson { border-radius: var(--radius-base); }

/* Font Family */
.font-samson-mono { font-family: var(--font-mono); }

/* Spacing helpers based on 8pt grid */
.gap-samson-4 { gap: var(--space-4); }
.gap-samson-6 { gap: var(--space-6); }
.gap-samson-8 { gap: var(--space-8); }

.p-samson-4 { padding: var(--space-4); }
.p-samson-6 { padding: var(--space-6); }
.p-samson-8 { padding: var(--space-8); }


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

@media (max-width: 1024px) {
    .samson-h1 { font-size: var(--text-5xl); }
    .samson-h2 { font-size: var(--text-3xl); }
    .samson-grid-3, .samson-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .samson-h1 { font-size: var(--text-4xl); }
    .samson-h2 { font-size: var(--text-2xl); }
    .samson-h3 { font-size: var(--text-xl); }

    .samson-grid-2, .samson-grid-3, .samson-grid-4 {
        grid-template-columns: 1fr;
    }

    .samson-hero {
        padding: var(--space-16) 0;
    }

    .samson-btn-primary,
    .samson-btn-secondary {
        padding: var(--space-3) var(--space-6);
        width: 100%;
        justify-content: center;
    }
}