/* ==========================================================================
   CSS Design System & Variables
   ========================================================================== */
:root {
    /* Color Palette */
    --bg-primary: #040812;
    --bg-secondary: #070e20;
    --bg-tertiary: #0b1530;
    --bg-card: rgba(7, 14, 32, 0.75);
    
    --accent-cyan: #00e5ff;
    --accent-cyan-rgb: 0, 229, 255;
    --accent-green: #39ff14;
    --accent-green-rgb: 57, 255, 20;
    --accent-blue: #0077ff;
    --accent-blue-rgb: 0, 119, 255;
    --accent-yellow: #ffd600;
    --accent-red: #ff3366;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    /* Border Styles & Glows */
    --border-glass: 1px solid rgba(0, 229, 255, 0.12);
    --border-glass-hover: 1px solid rgba(0, 229, 255, 0.35);
    --glow-cyan: 0 0 15px rgba(0, 229, 255, 0.3);
    --glow-cyan-strong: 0 0 25px rgba(0, 229, 255, 0.65);
    --glow-green: 0 0 15px rgba(57, 255, 20, 0.3);
    --glow-blue: 0 0 15px rgba(0, 119, 255, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-tech: 'Orbitron', 'Share Tech Mono', sans-serif;
    
    /* Utilities */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
    --max-width: 1200px;
}

/* ==========================================================================
   Resets & Base Rules
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border: 1px solid rgba(0, 229, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

/* Background canvas setup */
#hero-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style-type: none;
}

/* ==========================================================================
   Typography & Headers
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-tech);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.highlight {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.35);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 0.9rem;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    color: var(--text-primary);
    text-transform: uppercase;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1rem auto 0;
}

/* ==========================================================================
   Interactive Components & Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-tech);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: rgba(0, 229, 255, 0.08);
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan-strong);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.glass-card {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 12px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition);
}

.glass-card:hover {
    border: var(--border-glass-hover);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.05);
}

/* Status dots */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}
.status-dot.green {
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 1.8s infinite;
}
.status-dot.blue {
    background-color: var(--accent-blue);
    box-shadow: 0 0 8px var(--accent-blue);
    animation: pulse 1.8s infinite;
}

.status-light {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #3b4252;
}
.status-light.green {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}
.status-light.red {
    background-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
    animation: flash-red 0.5s infinite;
}

.text-green {
    color: var(--accent-green);
}

/* ==========================================================================
   Header / Sticky Navigation
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(4, 8, 18, 0.65);
    border-bottom: 1px solid rgba(0, 229, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-tech);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}
.cyber-bracket {
    color: var(--accent-cyan);
}
.cyber-dot {
    color: var(--accent-green);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-cyan);
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.25);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    transition: var(--transition);
}
.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    border: 1px solid var(--accent-cyan);
    padding: 0.4rem 1.1rem;
    border-radius: 4px;
    background: rgba(0, 229, 255, 0.05);
    box-shadow: var(--glow-cyan);
}
.nav-cta:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan-strong);
}
.nav-cta::after {
    display: none;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    padding-top: 8rem;
    padding-bottom: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.hero-container {
    text-align: center;
    max-width: 850px;
    padding: 0 2rem;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(57, 255, 20, 0.04);
    border: 1px solid rgba(57, 255, 20, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
}
.badge-text {
    font-family: var(--font-mono);
    color: var(--accent-green);
    font-size: 0.8rem;
    letter-spacing: 1.5px;
}

.hero-title {
    font-size: clamp(2.2rem, 7vw, 3.8rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(1.25rem, 4vw, 1.8rem);
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.hero-subtitle .highlight {
    font-weight: 600;
}

#typing-text::after {
    content: '|';
    animation: cursor-blink 1s step-end infinite;
    color: var(--accent-cyan);
    font-weight: bold;
}

.hero-description {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.stat-number {
    font-family: var(--font-tech);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-cyan);
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.35);
}
.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}
.mouse-icon {
    width: 20px;
    height: 32px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}
.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}
.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 2px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 6rem 2rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    transition: var(--transition);
}
.about-card:hover {
    border: 1px solid rgba(0, 229, 255, 0.25);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.03);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
}

.about-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    text-transform: uppercase;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

/* ==========================================================================
   Client Pain Points Section
   ========================================================================== */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.pain-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 51, 102, 0.07);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    transition: var(--transition);
    position: relative;
}
.pain-card:hover {
    border-color: rgba(255, 51, 102, 0.25);
    box-shadow: 0 10px 30px rgba(255, 51, 102, 0.02);
    transform: translateY(-3px);
}

.pain-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}
.pain-header h3 {
    font-size: 1.2rem;
    text-transform: uppercase;
    color: var(--text-primary);
    max-width: 80%;
    line-height: 1.3;
}
.pain-num {
    font-family: var(--font-tech);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-red);
    opacity: 0.45;
}

.pain-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
}

.pain-solution {
    background: rgba(57, 255, 20, 0.03);
    border: 1px solid rgba(57, 255, 20, 0.15);
    padding: 0.9rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.5;
    margin-bottom: 0 !important;
}
.pain-solution i {
    margin-right: 0.5rem;
}

/* ==========================================================================
   Freelance Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    transition: var(--transition);
}
.service-card:hover::before {
    height: 100%;
}
.service-card:hover {
    border: var(--border-glass-hover);
    transform: translateY(-3px);
}

.service-icon {
    font-size: 2.2rem;
    color: var(--accent-cyan);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.service-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.service-bullets li {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.service-bullets li::before {
    content: '→';
    color: var(--accent-cyan);
    font-weight: bold;
}

/* ==========================================================================
   Interactive Lab Section
   ========================================================================== */
.lab-tabs {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.lab-tab-btn {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 0.8rem 2rem;
    font-family: var(--font-tech);
    font-size: 0.95rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.lab-tab-btn:hover {
    border-color: rgba(0, 229, 255, 0.3);
    color: var(--text-primary);
}
.lab-tab-btn.active {
    background: rgba(0, 229, 255, 0.06);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.lab-viewport {
    padding: 2.5rem;
    min-height: 480px;
}

.lab-panel {
    display: none;
}
.lab-panel.active {
    display: block;
    animation: fade-in 0.4s ease-out forwards;
}

.sim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1.25rem;
    margin-bottom: 2rem;
}
.sim-title-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.sim-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
    font-weight: 600;
}
.sim-badge.green {
    background: rgba(57, 255, 20, 0.12);
    border: 1px solid rgba(57, 255, 20, 0.3);
    color: var(--accent-green);
    box-shadow: 0 0 5px rgba(57, 255, 20, 0.1);
}
.sim-badge.blue {
    background: rgba(0, 119, 255, 0.12);
    border: 1px solid rgba(0, 119, 255, 0.3);
    color: var(--accent-cyan);
    box-shadow: 0 0 5px rgba(0, 229, 255, 0.1);
}
.sim-title-group h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.sim-power-btn {
    background: transparent;
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 0.4rem 1rem;
    font-family: var(--font-tech);
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}
.sim-power-btn.active {
    background: rgba(255, 51, 102, 0.1);
    color: var(--accent-red);
    box-shadow: 0 0 10px rgba(255, 51, 102, 0.15);
}
.sim-power-btn.off {
    border-color: var(--text-muted);
    color: var(--text-muted);
}

/* Sprayer Simulator Grid */
.sprayer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.sprayer-visuals {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Agitation Tank UI styling */
.tank-container {
    height: 180px;
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--bg-tertiary);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tank-label {
    position: absolute;
    top: 0.75rem;
    left: 1rem;
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}
.fluid-body {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 58%;
    background: rgba(0, 229, 255, 0.15);
    border-top: 1px solid var(--accent-cyan);
    transition: height 0.5s ease;
}
.fluid-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-tech);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.wave {
    position: absolute;
    top: -10px;
    left: 0;
    width: 200%;
    height: 10px;
    background-image: radial-gradient(circle, transparent 20%, rgba(0, 229, 255, 0.15) 21%);
    background-size: 20px 20px;
    animation: wave-slide 4s linear infinite;
}

.sprayer-jets {
    position: absolute;
    top: 40%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1.5rem;
    pointer-events: none;
}
.jet {
    width: 3px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-cyan), transparent);
    opacity: 0;
}
.jet.active {
    opacity: 0.85;
    animation: jet-pulsate 0.3s infinite alternate;
}
.jet-left {
    transform: rotate(35deg);
}
.jet-right {
    transform: rotate(-35deg);
}

.gauge-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.gauge-container {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 1rem;
    text-align: center;
}
.gauge-title {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.gauge-box {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}
.gauge-readout {
    font-family: var(--font-tech);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-cyan);
}
.gauge-unit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Controls styling */
.sprayer-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.control-group label {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.range-limit {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}
input[type=range]:focus {
    outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    cursor: pointer;
    background: var(--bg-tertiary);
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
input[type=range]::-webkit-slider-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -6px;
    transition: var(--transition-fast);
}
input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.toggle-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 0.75rem;
    font-family: var(--font-tech);
    font-size: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}
.toggle-btn:hover {
    border-color: rgba(0, 229, 255, 0.2);
    color: var(--text-primary);
}
.toggle-btn.active {
    background: rgba(0, 229, 255, 0.06);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.diagnostics-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    padding: 1rem;
}
.diag-header {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}
.diag-indicators {
    display: flex;
    justify-content: space-between;
}
.indicator-item {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

/* Console Logs box styling */
.console-box {
    background: #02040a;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    overflow: hidden;
}
.console-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.console-lines {
    padding: 1rem;
    height: 120px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.log-line {
    word-break: break-all;
    line-height: 1.4;
}
.text-system { color: #8fbcbb; }
.text-telemetry { color: var(--accent-green); }
.text-info { color: #5e81ac; }
.text-rx { color: var(--accent-cyan); }
.text-err { color: var(--accent-red); }

/* Radar Simulation Layout */
.radar-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}
.radar-screen-container {
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1rem;
}
#radar-canvas {
    max-width: 100%;
    height: auto;
    background-color: #030814;
    border-radius: 4px;
}

.sim-action-btn {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 0.4rem 1rem;
    font-family: var(--font-tech);
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.sim-action-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}
.sim-action-btn.primary {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}
.sim-action-btn.primary:hover {
    background: rgba(0, 229, 255, 0.08);
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.2);
}

.radar-telemetry {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.terminal-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.t-stat {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 0.75rem;
    border-radius: 4px;
    text-align: center;
}
.t-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}
.t-val {
    display: block;
    font-family: var(--font-tech);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.25rem;
}
.t-val.green {
    color: var(--accent-green);
    text-shadow: 0 0 5px rgba(57, 255, 20, 0.3);
}

.full-console .console-lines {
    height: 200px;
}

/* ==========================================================================
   Project Cost Estimator Section Styling
   ========================================================================== */
.estimator-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
    align-items: start;
}

.estimator-controls {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.estimator-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.group-label {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.segment-selectors {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.segment-option {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
}
.segment-option i {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}
.segment-option span {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    text-align: center;
    color: var(--text-secondary);
}
.segment-option:hover {
    border-color: rgba(0, 229, 255, 0.25);
    background: rgba(0, 229, 255, 0.01);
}
.segment-option:hover i {
    color: var(--accent-cyan);
}
.segment-option.active {
    background: rgba(0, 229, 255, 0.05);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}
.segment-option.active i {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}
.segment-option.active span {
    color: var(--text-primary);
}

.estimator-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.estimator-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.estimator-field label {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.estimator-field select {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}
.estimator-field select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.01);
}
.estimator-field select option {
    background: var(--bg-secondary);
}

.urgency-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.urgency-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.urgency-btn strong {
    font-family: var(--font-tech);
    display: block;
    margin-bottom: 0.15rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.urgency-btn:hover {
    border-color: rgba(0, 229, 255, 0.25);
}
.urgency-btn.active {
    background: rgba(0, 229, 255, 0.05);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

/* Result panel receipt */
.estimator-result {
    padding: 2.5rem;
    border-color: rgba(0, 229, 255, 0.25);
    box-shadow: var(--glow-cyan);
    position: sticky;
    top: 6rem;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px dashed rgba(0, 229, 255, 0.25);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}
.result-header i {
    font-size: 1.2rem;
    color: var(--accent-cyan);
}
.result-header h4 {
    font-size: 1rem;
    letter-spacing: 1px;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}
.detail-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}
.d-label {
    color: var(--text-muted);
}
.d-val {
    font-family: var(--font-mono);
    text-align: right;
    font-weight: 500;
}

.result-calculations {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.calc-box {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    padding: 1rem;
    text-align: center;
}
.calc-box.glowing {
    background: rgba(57, 255, 20, 0.03);
    border: 1px solid rgba(57, 255, 20, 0.25);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.08);
}
.c-lbl {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}
.c-val {
    display: block;
    font-family: var(--font-tech);
    font-size: 1.6rem;
    font-weight: 800;
}

.quote-notice {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
    line-height: 1.4;
}

/* ==========================================================================
   Technical Skills Shell
   ========================================================================== */
.terminal-shell {
    max-width: 850px;
    margin: 0 auto;
    overflow: hidden;
}
.shell-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.shell-dots {
    display: flex;
    gap: 0.5rem;
}
.shell-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.shell-dots .dot.red { background-color: #ff5f56; }
.shell-dots .dot.yellow { background-color: #ffbd2e; }
.shell-dots .dot.green { background-color: #27c93f; }

.shell-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}
.shell-action {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
}
.shell-action:hover {
    color: var(--text-secondary);
}

.shell-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.shell-tab {
    background: transparent;
    border: none;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    padding: 0.6rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.shell-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.01);
}
.shell-tab.active {
    color: var(--accent-cyan);
    background: rgba(4, 8, 18, 0.5);
    border-bottom: 2px solid var(--accent-cyan);
}

.shell-content {
    background: #020408;
    padding: 1.5rem;
    height: 280px;
    overflow-y: auto;
    overflow-x: auto;
}
.skill-pane {
    display: none;
}
.skill-pane.active {
    display: block;
    animation: fade-in 0.3s ease-out forwards;
}

.code-line {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre;
}
.line-num {
    display: inline-block;
    width: 25px;
    color: rgba(255, 255, 255, 0.15);
    text-align: right;
    margin-right: 1.25rem;
    user-select: none;
}
.code-key { color: var(--accent-cyan); }
.code-val { color: #a3be8c; }

/* ==========================================================================
   Experience Timeline
   ========================================================================== */
.timeline {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    padding-left: 2.5rem;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    left: 8px;
    width: 2px;
    height: calc(100% - 1rem);
    background: linear-gradient(to bottom, var(--accent-cyan) 60%, rgba(255, 255, 255, 0.05));
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
}
.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    z-index: 2;
    transition: var(--transition-fast);
}
.timeline-item:hover .timeline-dot {
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan-strong);
    transform: scale(1.15);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.timeline-content {
    padding: 2rem;
}
.comp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.comp-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    text-transform: uppercase;
}
.comp-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-weight: bold;
}
.comp-badge.active {
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid rgba(57, 255, 20, 0.25);
    color: var(--accent-green);
}

.comp-name {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    margin-bottom: 1.25rem;
}

.timeline-points {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.timeline-points li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.25rem;
    font-weight: 300;
}
.timeline-points li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.proj-domain {
    color: var(--accent-cyan);
}

.project-title {
    font-size: 1.3rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.project-summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

.project-highlights {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.project-highlights strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-family: var(--font-tech);
}

/* ==========================================================================
   Testimonials Section Styling
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
}

.t-quote {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    position: relative;
}
.t-quote::before {
    content: '“';
    font-family: var(--font-tech);
    font-size: 3rem;
    color: var(--accent-cyan);
    position: absolute;
    top: -1.5rem;
    left: -1rem;
    opacity: 0.15;
}

.t-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.t-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 229, 255, 0.05);
    border: 1px solid rgba(0, 229, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1rem;
}
.t-author-info {
    display: flex;
    flex-direction: column;
}
.t-author-info strong {
    font-size: 0.85rem;
    color: var(--text-primary);
}
.t-author-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FAQ Accordion Section Styling
   ========================================================================== */
.faq-accordion-container {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-fast);
}
.faq-item:hover {
    border-color: rgba(0, 229, 255, 0.25);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.25rem 2rem;
    color: var(--text-primary);
    font-family: var(--font-tech);
    font-size: 0.95rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-fast);
}
.faq-question:hover {
    color: var(--accent-cyan);
}
.faq-question i {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question {
    color: var(--accent-cyan);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.faq-item.active .faq-question i {
    transform: rotate(45deg);
    color: var(--accent-cyan);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.1);
}
.faq-answer p {
    padding: 1.25rem 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 300;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-details {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.details-intro h3 {
    font-size: 1.35rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.details-intro p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}
.method-icon {
    width: 45px;
    height: 45px;
    border-radius: 6px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}
.method-info {
    display: flex;
    flex-direction: column;
}
.method-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}
.method-val {
    font-family: var(--font-tech);
    font-size: 1rem;
    color: var(--text-primary);
    margin-top: 0.1rem;
}
.method-val:hover {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

.certifications {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.5rem;
}
.certifications h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.edu-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.edu-card i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-top: 0.2rem;
}
.edu-card h5 {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.edu-card span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Contact Form */
.contact-form-container {
    padding: 2.5rem;
}
.contact-form-container h3 {
    font-size: 1.35rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group label {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}
.form-group select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.02);
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.15);
}

.form-submit {
    margin-top: 0.5rem;
}

.form-status {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-align: center;
}
.form-status.success {
    color: var(--accent-green);
}
.form-status.error {
    color: var(--accent-red);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: #020409;
}
.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 300;
}
.footer-links {
    display: flex;
    gap: 1.5rem;
    font-family: var(--font-tech);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
}
.footer-links a:hover {
    color: var(--accent-cyan);
}

/* ==========================================================================
   Keyframes & Animations
   ========================================================================== */
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(var(--accent-cyan-rgb), 0.5); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(var(--accent-cyan-rgb), 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(var(--accent-cyan-rgb), 0); }
}

@keyframes cursor-blink {
    from, to { border-color: transparent }
    50% { border-color: var(--accent-cyan); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; top: 6px; }
    50% { opacity: 0.3; top: 18px; }
    100% { opacity: 1; top: 6px; }
}

@keyframes wave-slide {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes jet-pulsate {
    0% { height: 35px; opacity: 0.7; }
    100% { height: 45px; opacity: 1; }
}

@keyframes flash-red {
    0%, 100% { background-color: #3b4252; box-shadow: none; }
    50% { background-color: var(--accent-red); box-shadow: 0 0 10px var(--accent-red); }
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .pain-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .estimator-grid {
        grid-template-columns: 1fr;
    }
    .estimator-result {
        position: static;
    }
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 3.5rem 1.25rem;
    }
    
    .main-header {
        padding: 0.5rem 0;
    }
    
    .nav-container {
        padding: 1rem 1.25rem;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid rgba(0, 229, 255, 0.1);
        padding: 0 1.5rem;
        gap: 1.25rem;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.4s ease;
        pointer-events: none;
        align-items: stretch;
    }
    
    .nav-links.active {
        max-height: 500px;
        opacity: 1;
        padding: 1.5rem;
        pointer-events: auto;
    }
    
    .nav-link {
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    }
    
    .nav-cta {
        text-align: center;
        margin-top: 0.5rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .sprayer-grid, .radar-grid {
        grid-template-columns: 1fr;
    }
    
    .lab-tabs {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 0.5rem;
        gap: 1rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .lab-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .lab-tab-btn {
        flex-shrink: 0;
    }
    
    .lab-viewport {
        padding: 1.25rem;
    }
    
    .segment-selectors {
        grid-template-columns: 1fr;
    }
    
    .estimator-row {
        grid-template-columns: 1fr;
    }
    
    .urgency-selector {
        grid-template-columns: 1fr;
    }
    
    .shell-tabs {
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }
    .shell-tabs::-webkit-scrollbar {
        display: none;
    }
    .shell-tab {
        flex-shrink: 0;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    .timeline::before {
        left: 4px;
    }
    .timeline-dot {
        left: -1.65rem;
        width: 14px;
        height: 14px;
        border-width: 2.5px;
    }
    .timeline-content {
        padding: 1.25rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-details, .contact-form-container {
        padding: 1.5rem;
    }
    
    .form-group input, 
    .form-group select, 
    .form-group textarea {
        font-size: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 500px) {
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .hero-stats .stat-card:last-child {
        grid-column: span 2;
    }
    
    .gauge-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .toggle-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .diag-indicators {
        flex-wrap: wrap;
        gap: 0.75rem;
        justify-content: flex-start;
    }
    
    .indicator-item {
        width: calc(50% - 0.375rem);
    }
    
    .terminal-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .terminal-stats .t-stat:last-child {
        grid-column: span 2;
    }
}