/* ==========================================================================
   VOLTA PREMIUM ELECTRICAL & SMART AUTOMATION STYLING
   ========================================================================== */

/* 1. Root & CSS Custom Variables */
:root {
    --bg-primary: #0A0A0B;
    --bg-secondary: #121214;
    --bg-tertiary: #19191D;
    --accent-volt: #C6FF00;
    --accent-cyan: #00F2FE;
    --accent-amber: #FFB300;
    --accent-crimson: #FF3E6C;
    --text-white: #FFFFFF;
    --text-muted: #8E9BAE;
    --text-dim: #505F73;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(198, 255, 0, 0.15);
    --glass-bg: rgba(18, 18, 20, 0.7);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-blur: 16px;
    
    /* High-tech, futuristic fonts */
    --ff-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --ff-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 2. Reset & Core Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-white);
    font-family: var(--ff-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    position: relative;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-volt);
}

/* 3. Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

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

ul {
    list-style: none;
}

.font-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85em;
    letter-spacing: 0.05em;
}

.text-glow {
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3), 0 0 30px var(--border-glow);
}

.text-cyan { color: var(--accent-cyan); text-shadow: 0 0 10px rgba(0, 242, 254, 0.2); }
.text-lime { color: var(--accent-volt); text-shadow: 0 0 10px rgba(198, 255, 0, 0.2); }
.text-yellow { color: var(--accent-amber); text-shadow: 0 0 10px rgba(255, 179, 0, 0.2); }
.text-dim { color: var(--text-dim); }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* DYNAMIC ELECTRIC GLOW & SURGE EFFECT FOR "ELECTRICAL" TEXTS */
.electric-text {
    position: relative;
    display: inline-block;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(90deg, var(--accent-volt), var(--accent-cyan), var(--text-white), var(--accent-volt));
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: electricGradient 5s linear infinite, electricFlicker 3s infinite alternate;
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.25);
    cursor: pointer;
}

.electric-text::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: linear-gradient(90deg, var(--accent-volt), var(--accent-cyan));
    box-shadow: 0 0 8px var(--accent-cyan), 0 0 16px var(--accent-volt);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.electric-text:hover::after {
    transform: scaleX(1);
}

/* Moving electrical currents inside the text fill */
@keyframes electricGradient {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* Realistic electrical voltage jitter and flickers */
@keyframes electricFlicker {
    0%, 91%, 95%, 100% {
        filter: drop-shadow(0 0 2px rgba(198, 255, 0, 0.3)) drop-shadow(0 0 8px rgba(0, 242, 254, 0.3));
        opacity: 1;
    }
    92% {
        filter: drop-shadow(0 0 1px rgba(198, 255, 0, 0.1)) drop-shadow(0 0 2px rgba(0, 242, 254, 0.1));
        opacity: 0.88;
    }
    93% {
        filter: drop-shadow(0 0 12px rgba(198, 255, 0, 0.85)) drop-shadow(0 0 25px rgba(0, 242, 254, 0.85));
        opacity: 1;
    }
    94% {
        filter: drop-shadow(0 0 2px rgba(198, 255, 0, 0.1));
        opacity: 0.94;
    }
    96% {
        filter: drop-shadow(0 0 15px rgba(198, 255, 0, 0.95)) drop-shadow(0 0 30px rgba(0, 242, 254, 0.95));
        opacity: 1;
    }
}

/* Floating spark particle overlay created via JS */
.electric-spark-particle {
    position: fixed;
    pointer-events: none;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    z-index: 10000;
    transform: translate(-50%, -50%);
    animation: sparkFly 0.6s cubic-bezier(0.1, 0.8, 0.25, 1) forwards;
}

@keyframes sparkFly {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) translate(0, 0);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) translate(var(--tx), var(--ty));
    }
}


/* 4. Ambient Background Effects */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center center;
    z-index: -2;
    pointer-events: none;
}

.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.07;
    z-index: -1;
    pointer-events: none;
}

.glow-1 {
    top: -10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: var(--accent-volt);
}

.glow-2 {
    bottom: 10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
}

.glow-3 {
    top: 50%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: var(--accent-amber);
}

/* Custom Interactive Cursor (MODIFIED: Removed cursor-ring circle) */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

.cursor-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--accent-volt);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--accent-volt);
    transition: width 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
                height 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
                background-color 0.2s, 
                box-shadow 0.2s;
}

body.cursor-active .cursor-dot {
    background-color: var(--accent-cyan);
    width: 12px;
    height: 12px;
    box-shadow: 0 0 15px var(--accent-cyan);
}

@media (pointer: coarse) {
    .custom-cursor {
        display: none;
    }
}

/* 5. Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-white);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--accent-volt), var(--accent-cyan));
    color: var(--bg-primary);
    padding: 6px;
    transition: var(--transition-bounce);
}

.logo:hover .logo-icon {
    transform: rotate(15deg) scale(1.1);
}

/* Nav links */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1.5px;
    background-color: var(--accent-volt);
    transition: var(--transition-smooth);
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Header actions & status */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.grid-status {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-volt);
    box-shadow: 0 0 10px var(--accent-volt);
}

.pulsing {
    animation: statusPulse 1.8s infinite alternate;
}

@keyframes statusPulse {
    0% { opacity: 0.4; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1.25); }
}

/* 6. Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.8rem;
}

.btn-primary {
    background-color: var(--accent-volt);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background-color: #d8ff43;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(198, 255, 0, 0.25);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-arrow {
    transition: var(--transition-smooth);
}

.btn:hover .btn-arrow {
    transform: translate(2px, -2px);
}

/* 7. Hero Section */
.hero-section {
    min-height: 100vh;
    padding-top: 140px;
    padding-bottom: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(198, 255, 0, 0.06);
    border: 1px solid rgba(198, 255, 0, 0.15);
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-volt);
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-volt);
}

.hero-title {
    font-size: clamp(2.8rem, 5vw, 4.4rem);
    margin-bottom: 24px;
    color: var(--text-white);
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions-container {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

.metric-card {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.8rem;
    color: var(--text-white);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Telemetry Oscilloscope Panel */
.telemetry-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
    transition: var(--transition-smooth);
}

.telemetry-panel:hover {
    border-color: rgba(198, 255, 0, 0.2);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 20px rgba(198, 255, 0, 0.05);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
}

.panel-dots {
    display: flex;
    gap: 6px;
}

.panel-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
}

.panel-dots span:nth-child(1) { background-color: var(--accent-crimson); }
.panel-dots span:nth-child(2) { background-color: var(--accent-amber); }
.panel-dots span:nth-child(3) { background-color: var(--accent-volt); }

.panel-title {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.panel-tag {
    font-size: 0.65rem;
    background-color: rgba(198, 255, 0, 0.1);
    color: var(--accent-volt);
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 700;
}

.panel-body {
    padding: 20px;
}

.oscilloscope-container {
    position: relative;
    background-color: #080809;
    border: 1px solid #1E293B;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 18px;
}

#oscilloscope {
    display: block;
    width: 100%;
    height: 150px;
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 242, 254, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 254, 0.04) 1px, transparent 1px);
    background-size: 25px 25px;
    pointer-events: none;
}

.telemetry-readouts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.readout-item {
    background-color: rgba(255,255,255,0.01);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}

.readout-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.readout-value {
    font-size: 1.1rem;
    font-weight: 700;
}

.system-alerts {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(198, 255, 0, 0.15);
    background-color: rgba(198, 255, 0, 0.04);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.alert-indicator-ok {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-volt);
    box-shadow: 0 0 10px var(--accent-volt);
}

.alert-indicator-warning {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-amber);
    box-shadow: 0 0 10px var(--accent-amber);
}

/* Scroll indicator */
.scroll-indicator-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-volt);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollScroll 1.6s infinite;
}

@keyframes scrollScroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

.scroll-text {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-dim);
}

/* 8. Sections Layout General */
section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.section-header {
    margin-bottom: 64px;
    max-width: 720px;
}

.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
    color: var(--text-white);
}

.section-desc {
    font-size: 1.1rem;
    max-width: 640px;
}

/* 9. Services Grid Section */
.services-section {
    background-color: var(--bg-primary);
}

.services-grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(120px circle at var(--x, 0px) var(--y, 0px), rgba(198, 255, 0, 0.07) 0%, transparent 80%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.service-card:hover .card-glow {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(198, 255, 0, 0.18);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3), 0 0 15px rgba(198, 255, 0, 0.02);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-volt);
    margin-bottom: 30px;
}

.service-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.service-text {
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 20px;
}

.service-features li {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--accent-cyan);
}

/* 10. Experience Section (Smart Grid Sandbox) */
.experience-section {
    background-color: var(--bg-primary);
}

.experience-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: center;
}

.control-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.control-switch-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    transition: var(--transition-smooth);
}

.control-switch-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.switch-info {
    display: flex;
    flex-direction: column;
}

.switch-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.switch-subtitle {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.danger-switch {
    border-color: rgba(255, 77, 77, 0.15);
    background-color: rgba(255, 77, 77, 0.02);
}

.danger-switch:hover {
    border-color: rgba(255, 77, 77, 0.35);
}

/* Custom Checkbox Slider Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.08);
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 34px;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-white);
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-volt);
}

input:checked + .slider:before {
    transform: translateX(22px);
    background-color: var(--bg-primary);
}

/* Dynamic State Changes for House SVG Control */
.house-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    padding: 24px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.house-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.house-svg {
    width: 100%;
    height: auto;
    display: block;
}

.zone-light {
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.zone-light.active {
    opacity: 1;
}

.wire-pulse {
    stroke-dashoffset: 100;
    animation: wireFlow 8s linear infinite;
    opacity: 0.2;
    transition: opacity 0.5s ease;
}

.wire-pulse.active {
    opacity: 1;
}

@keyframes wireFlow {
    to {
        stroke-dashoffset: 0;
    }
}

.main-hub-dot {
    animation: pulseGlow 1.5s infinite alternate;
}

@keyframes pulseGlow {
    0% { r: 4; fill: var(--accent-volt); filter: drop-shadow(0 0 2px var(--accent-volt)); }
    100% { r: 6; fill: var(--accent-cyan); filter: drop-shadow(0 0 12px var(--accent-cyan)); }
}

/* 11. Cost & Load Estimator */
.estimator-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.estimator-form {
    padding: 40px;
}

.form-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-white);
    text-transform: uppercase;
}

/* Custom elegant dropdown select */
.custom-select-wrapper {
    position: relative;
}

.custom-select {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-white);
    padding: 14px 18px;
    font-family: var(--ff-sans);
    font-size: 0.95rem;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    outline: none;
    transition: var(--transition-smooth);
}

.custom-select:focus {
    border-color: var(--accent-volt);
    background-color: rgba(255, 255, 255, 0.04);
}

.custom-select-wrapper::after {
    content: '▼';
    font-size: 0.7rem;
    color: var(--text-dim);
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Radio Choice Cards */
.estimator-radio-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 14px;
    text-align: center;
    transition: var(--transition-smooth);
}

.radio-title {
    font-size: 0.8rem;
    font-weight: 700;
}

.radio-card input:checked + .radio-card-content {
    background-color: rgba(198, 255, 0, 0.05);
    border-color: var(--accent-volt);
    box-shadow: inset 0 0 10px rgba(198, 255, 0, 0.05);
}

/* Estimator Output Display Card */
.estimator-output {
    background-color: #0E0E10;
    border-left: 1px solid var(--border-color);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.output-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

.output-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 24px;
}

.output-metrics {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.out-metric-box {
    display: flex;
    flex-direction: column;
    background-color: rgba(255,255,255,0.01);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 6px;
}

.out-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.out-value {
    font-size: 1.3rem;
    font-weight: 800;
}

.price-range-container {
    background-color: rgba(255,255,255,0.02);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.price-value {
    font-size: 2.2rem;
    font-family: var(--ff-display);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 10px;
}

.price-note {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* 12. Standard Wiring Section (Before/After Slider) */
.standard-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}

.comparison-slider {
    width: 100%;
    aspect-ratio: 3/2;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.slider-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.panel-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.panel-before {
    z-index: 1;
}

.panel-after {
    z-index: 2;
    width: 50%; /* JS will dynamically change this width */
    border-right: 1px solid transparent;
}

.panel-after .panel-image {
    width: 100%;
    /* Keep image stretched to container width, not panel-after width */
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
}

.slider-label-overlay {
    position: absolute;
    bottom: 20px;
    padding: 8px 16px;
    border-radius: 4px;
    font-family: var(--ff-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    z-index: 5;
    pointer-events: none;
}

.before-overlay {
    left: 20px;
    background-color: var(--accent-crimson);
    color: white;
}

.after-overlay {
    right: 20px;
    background-color: var(--accent-volt);
    color: black;
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%; /* JS will dynamically change this left position */
    width: 4px;
    background-color: var(--accent-volt);
    z-index: 3;
    transform: translateX(-50%);
    cursor: ew-resize;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.handle-line {
    width: 1px;
    height: 35%;
    background-color: var(--accent-volt);
}

.handle-button {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--accent-volt);
    border: 4px solid var(--bg-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(198,255,0,0.4);
    transition: transform 0.2s;
}

.slider-handle:hover .handle-button {
    transform: scale(1.1);
}

.standard-content {
    display: flex;
    flex-direction: column;
}

.section-text {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(198, 255, 0, 0.08);
    color: var(--accent-volt);
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item h5 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-white);
}

.benefit-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 13. Portfolio Section */
.portfolio-section {
    background-color: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.portfolio-card {
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.project-image-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.project-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover .project-image {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.portfolio-card:hover .project-overlay {
    opacity: 1;
}

.project-view-btn {
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-volt);
    border: 1px solid var(--accent-volt);
    padding: 12px 24px;
    border-radius: 40px;
    transform: translateY(10px);
    transition: var(--transition-bounce);
}

.portfolio-card:hover .project-view-btn {
    transform: translateY(0);
}

.project-info {
    padding-top: 24px;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    display: block;
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.project-summary {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 14. Testimonials Slider */
.testimonials-section {
    background-color: var(--bg-secondary);
}

.testimonials-slider-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

.testimonial-card {
    flex-shrink: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 48px;
    display: flex;
    flex-direction: column;
}

.test-rating {
    color: var(--accent-amber);
    font-size: 1.1rem;
    letter-spacing: 3px;
    margin-bottom: 24px;
}

.test-text {
    font-size: 1.25rem;
    color: var(--text-white);
    line-height: 1.6;
    font-family: var(--ff-display);
    font-weight: 600;
    margin-bottom: 32px;
}

.test-author {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 0.95rem;
    font-weight: 700;
}

.author-title {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Testimonials Dots */
.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background-color: var(--accent-volt);
    width: 24px;
    border-radius: 4px;
}

/* 15. FAQ Accordion Section */
.faq-section {
    background-color: var(--bg-primary);
}

.faq-accordion-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    color: var(--text-white);
    outline: none;
}

.faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    font-family: var(--ff-display);
    padding-right: 20px;
}

.faq-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    transition: var(--transition-bounce);
}

.faq-arrow {
    transition: var(--transition-smooth);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-text {
    padding: 0 24px 24px 24px;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* Active State Accordion */
.faq-item.active {
    border-color: rgba(198, 255, 0, 0.2);
}

.faq-item.active .faq-icon-box {
    background-color: var(--accent-volt);
    color: var(--bg-primary);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

/* 16. Contact Form & Portal overlay */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
}

.info-card {
    display: flex;
    gap: 16px;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 20px 24px;
    border-radius: 8px;
}

.info-icon {
    font-size: 1.4rem;
    color: var(--accent-volt);
}

.info-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.info-val {
    font-size: 0.95rem;
    font-weight: 700;
}

/* Premium Form Card */
.contact-form-wrapper {
    position: relative;
}

.contact-form-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 36px;
    overflow: hidden;
    position: relative;
}

.form-header-line {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.indicator-glow {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-volt);
    box-shadow: 0 0 10px var(--accent-volt);
}

.indicator-title {
    font-size: 0.65rem;
    font-weight: 700;
    font-family: ui-monospace;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    flex-direction: column;
}

.split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}

.form-input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    font-family: var(--ff-sans);
    font-size: 0.9rem;
    color: var(--text-white);
    outline: none;
    transition: var(--transition-smooth);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-input:focus {
    border-color: var(--accent-volt);
    background-color: rgba(255, 255, 255, 0.04);
}

.form-textarea {
    resize: none;
    height: 110px;
}

/* Specs Indicator Widget */
.specs-injector-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-muted);
}

.specs-indicator-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-dim);
}

.specs-injector-indicator.injected {
    border-color: rgba(0, 242, 254, 0.3);
    background-color: rgba(0, 242, 254, 0.04);
    color: var(--accent-cyan);
}

.specs-injector-indicator.injected .specs-indicator-dot {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

/* Form success overlay */
.electrical-spark-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 11, 0.95);
    backdrop-filter: blur(8px);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.electrical-spark-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.surge-effect {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spark-line {
    font-size: 0.8rem;
    opacity: 0;
    transform: translateY(10px);
}

.electrical-spark-overlay.active .spark-line {
    animation: fadeTerminalLine 0.5s forwards;
}

.electrical-spark-overlay.active .spark-line:nth-child(1) { animation-delay: 0.2s; }
.electrical-spark-overlay.active .spark-line:nth-child(2) { animation-delay: 1.0s; }
.electrical-spark-overlay.active .spark-line:nth-child(3) { animation-delay: 1.8s; }
.electrical-spark-overlay.active .spark-line:nth-child(4) { animation-delay: 2.5s; }
.electrical-spark-overlay.active .mt-4 { animation: fadeTerminalBtn 0.5s forwards; animation-delay: 3s; opacity: 0; }

@keyframes fadeTerminalLine {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeTerminalBtn {
    to { opacity: 1; }
}

/* 17. Footer Styling */
.footer {
    background-color: #060607;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-tagline {
    font-size: 0.9rem;
    max-width: 280px;
}

.live-grid-telemetry {
    margin-top: 10px;
}

.telemetry-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.telemetry-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-volt);
}

.blinking {
    animation: blinkGlow 1.2s infinite;
}

@keyframes blinkGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.telemetry-txt {
    font-size: 0.65rem;
    color: var(--text-dim);
}

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--accent-volt);
}

.footer-links span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 32px;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.footer-legal a:hover {
    color: var(--text-white);
}

/* 18. Mobile Menu & Responsive Design */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition-smooth);
}

/* Header Action Mobile classes */
.nav-btn-mobile {
    display: none !important;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions-container {
        justify-content: center;
    }
    
    .metrics-grid {
        width: 100%;
    }
    
    .services-grid-layout {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .estimator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .estimator-output {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .standard-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* Header & Mobile Drawer Menu */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 120px 40px 40px 40px;
        gap: 24px;
        z-index: 105;
        transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        backdrop-filter: blur(10px);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-btn-mobile {
        display: inline-flex !important;
        background-color: var(--accent-volt);
        color: var(--bg-primary);
        width: 100%;
        padding: 14px;
        justify-content: center;
        border-radius: 6px;
        font-weight: 700;
        margin-top: 20px;
    }
    
    /* Hamburger Transform animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .grid-status {
        display: none;
    }
    
    .header-actions .btn {
        display: none; /* Hide header btn on small mobile, drawer menu handles it */
    }
    
    /* General Section Padding reduction */
    section {
        padding: 60px 0;
    }
    
    .services-grid-layout {
        grid-template-columns: 1fr;
    }
    
    .split-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions-container {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions-container .btn {
        width: 100%;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .estimator-radio-group {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .test-text {
        font-size: 1rem;
    }
    
    .faq-trigger {
        padding: 16px;
    }
    
    .faq-question {
        font-size: 0.95rem;
    }
}