/* ********** GLOBAL VARIABLES & THEME ********** */
:root {
    --bg-dark: #05080c;
    --bg-card: rgba(15, 23, 35, 0.45);
    
    --neon-green: #00ff88;
    --neon-green-dim: rgba(0, 255, 136, 0.2);
    --electric-blue: #00aeff;
    --electric-blue-dim: rgba(0, 174, 255, 0.2);
    --danger-red: #ff3366;
    
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-highlight: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    
    --nav-bg: rgba(5, 8, 12, 0.6);
    --footer-bg: rgba(5, 8, 12, 0.8);
    --card-gradient: linear-gradient(145deg, rgba(20, 30, 45, 0.4), rgba(10, 15, 22, 0.6));
    --calc-form-bg: rgba(0, 0, 0, 0.2);
    --calc-result-bg: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(0, 174, 255, 0.05));
    --calc-result-shadow: inset 0 0 40px rgba(0,0,0,0.5);
    --faq-answer-bg: rgba(0, 0, 0, 0.2);
    --select-bg: rgba(0, 0, 0, 0.5);
    --inner-shadow: inset 0 0 10px rgba(0,0,0,0.5);
    --slider-bg: rgba(255, 255, 255, 0.05);
    --slider-shadow: inset 0 1px 3px rgba(0,0,0,0.8);
    --slider-thumb-border: #000;
    
    --transition-snappy: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-smooth: 0.3s ease-in-out;
}

body.light-mode {
    --bg-dark: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.75);
    
    --neon-green: #00a859;
    --neon-green-dim: rgba(0, 168, 89, 0.15);
    --electric-blue: #007bb5;
    --electric-blue-dim: rgba(0, 123, 181, 0.15);
    --danger-red: #e60039;
    
    --text-main: #0f172a;
    --text-muted: #475569;
    
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-border-highlight: rgba(0, 0, 0, 0.25);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
    
    --nav-bg: rgba(241, 245, 249, 0.8);
    --footer-bg: rgba(226, 232, 240, 0.9);
    --card-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(241, 245, 249, 0.9));
    --calc-form-bg: rgba(0, 0, 0, 0.03);
    --calc-result-bg: linear-gradient(135deg, rgba(0, 168, 89, 0.05), rgba(0, 123, 181, 0.05));
    --calc-result-shadow: inset 0 0 40px rgba(0,0,0,0.05);
    --faq-answer-bg: rgba(0, 0, 0, 0.03);
    --select-bg: rgba(255, 255, 255, 0.5);
    --inner-shadow: inset 0 0 10px rgba(0,0,0,0.05);
    --slider-bg: rgba(0, 0, 0, 0.05);
    --slider-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    --slider-thumb-border: #ffffff;
}

/* ********** RESET & BASE ********** */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--neon-green-dim);
    color: var(--neon-green);
}

/* ********** AMBIENT BACKGROUND EFFECTS ********** */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(var(--glass-border) 1px, transparent 1px),
                      linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    opacity: 0.4;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

.bg-glow {
    position: fixed;
    width: 50vw;
    height: 50vw;
    max-width: 600px;
    max-height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    opacity: 0.15;
    animation: floatOrb 12s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    pointer-events: none;
}

.blob-green {
    background: var(--neon-green);
    top: -15%;
    right: -10%;
}

.blob-blue {
    background: var(--electric-blue);
    bottom: -15%;
    left: -10%;
    animation-delay: -6s;
    animation-duration: 15s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 50px) scale(1.1); }
    100% { transform: translate(50px, -30px) scale(0.9); }
}

/* ********** TYPOGRAPHY & UTILITIES ********** */
.gradient-text {
    background: linear-gradient(to right, var(--neon-green), var(--electric-blue), var(--neon-green));
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: textShimmer 4s linear infinite;
    display: inline-block;
}

@keyframes textShimmer {
    to { background-position: 200% center; }
}

.mobile-break {
    display: none;
}

.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    background: inherit;
    filter: blur(15px);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: -1;
}

.glow-effect:hover::before {
    opacity: 0.6;
}

/* ********** GLASSMORPHISM COMPONENT ********** */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.1);
    transition: transform var(--transition-snappy), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

/* ********** NAVIGATION ********** */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 16px 0;
    z-index: 999;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--text-main);
    display: flex;
    align-items: baseline;
}

.logo .highlight {
    color: var(--neon-green);
    font-size: 0.9rem;
    margin-left: 4px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform var(--transition-snappy);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background: var(--glass-border);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border-highlight);
    padding: 10px 28px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-snappy);
    position: relative;
    overflow: hidden;
}

.btn-outline:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 20px var(--neon-green-dim), inset 0 0 10px var(--neon-green-dim);
    transform: translateY(-2px);
}

/* ********** HERO SECTION ********** */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 80px;
    position: relative;
}

.hero-content {
    max-width: 900px;
    animation: fadeUpIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 24px;
    background: rgba(0, 255, 136, 0.05);
    color: var(--neon-green);
    border: 1px solid var(--neon-green-dim);
    border-radius: 40px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 32px;
    box-shadow: 0 0 20px var(--neon-green-dim);
    backdrop-filter: blur(10px);
}

.hero .title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.price-badge {
    display: inline-block;
    font-size: 3.8rem;
    font-weight: 900;
    color: var(--neon-green);
    margin-bottom: 32px;
    letter-spacing: -2px;
    animation: pulseScale 2s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pulseScale {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-green), #00cc66);
    color: #000;
    border: none;
    padding: 20px 48px;
    font-size: 1.15rem;
    font-weight: 800;
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--transition-snappy);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 255, 136, 0.4);
}

/* ********** SHOWCASE SECTION ********** */
.showcase {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.showcase-card {
    background: var(--card-gradient);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0;
    transition: all var(--transition-snappy);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    overflow: hidden;
}

.showcase-card:hover {
    transform: translateY(-8px);
    border-color: var(--electric-blue);
    box-shadow: 0 15px 35px rgba(0, 174, 255, 0.15), inset 0 0 10px rgba(0, 174, 255, 0.05);
}

.sc-image-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--glass-border);
    background-color: rgba(0,0,0,0.2);
}

.sc-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-card:hover .sc-image {
    transform: scale(1.05);
}

.sc-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
}

.sc-category {
    font-size: 0.85rem;
    color: var(--electric-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.sc-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
}

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

/* ********** TARGET AUDIENCE SECTION ********** */
.target-audience {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.audience-card {
    background: var(--card-gradient);
    border-top: 3px solid var(--danger-red);
    transition: all var(--transition-snappy);
    display: flex;
    flex-direction: column;
}

.audience-card:hover {
    transform: translateY(-8px);
    border-top-color: var(--neon-green);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.15), inset 0 0 10px rgba(0, 255, 136, 0.05);
}

.audience-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
}

.audience-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
    line-height: 1.4;
}

.audience-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.audience-card p strong {
    color: var(--neon-green);
    font-weight: 700;
}

/* ********** TESTIMONIALS SECTION ********** */
.testimonials {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.testimonial-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    background: var(--card-gradient);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-green-dim);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.1);
}

.quote-icon {
    font-size: 3rem;
    color: var(--neon-green);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: 8px;
    font-family: Georgia, serif;
}

.testi-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
    line-height: 1.4;
}

.testi-content {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.testi-author {
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--neon-green-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--neon-green-dim);
}

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

.author-name {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1rem;
}

.author-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ********** COMPARISON SECTION ********** */
.comparison {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-header h2 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.25rem;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.card-bad {
    border-color: rgba(255, 51, 102, 0.2);
    background: linear-gradient(180deg, rgba(255, 51, 102, 0.03) 0%, var(--bg-card) 100%);
}

.card-bad:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 51, 102, 0.5);
    box-shadow: 0 20px 40px rgba(255, 51, 102, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-good {
    border-color: var(--neon-green-dim);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.05) 0%, var(--bg-card) 100%);
}

.card-good:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 255, 136, 0.6);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-good::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--electric-blue), var(--neon-green));
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4));
}

.glass-card h3 {
    font-size: 1.75rem;
    margin-bottom: 32px;
    color: var(--text-main);
    font-weight: 700;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-list li {
    padding-left: 40px;
    position: relative;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.5;
}

.card-bad .feature-list li::before {
    content: '✕';
    position: absolute;
    left: 0; top: 0;
    color: var(--danger-red);
    font-weight: 800;
    background: rgba(255, 51, 102, 0.15);
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
}

.card-good .feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0; top: 0;
    color: var(--neon-green);
    font-weight: 800;
    background: rgba(0, 255, 136, 0.15);
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
}

/* ********** BENEFITS SECTION ********** */
.benefits {
    padding: 60px 24px;
    position: relative;
    z-index: 10;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.benefit-card {
    background: var(--card-gradient);
    border-top: 3px solid var(--electric-blue);
    transition: all var(--transition-snappy);
    display: flex;
    flex-direction: column;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 174, 255, 0.15), inset 0 0 10px rgba(0, 174, 255, 0.05);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 8px rgba(0, 174, 255, 0.3));
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
    line-height: 1.4;
}

.benefit-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.benefit-desc strong {
    color: var(--neon-green);
    font-weight: 700;
}

/* ********** PROCESS SECTION ********** */
.process {
    padding: 60px 24px;
    position: relative;
    z-index: 10;
}

.process-track {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-track::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 40px;
    width: 2px;
    background: linear-gradient(180deg, var(--electric-blue), var(--neon-green), transparent);
    z-index: -1;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform var(--transition-snappy), border-color var(--transition-smooth);
}

.process-step:hover {
    transform: translateX(10px);
    border-color: var(--neon-green-dim);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.1);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-green));
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
    position: relative;
    left: -12px;
}

.step-content h3 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 12px;
    font-weight: 800;
}

.step-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

.highlight-text {
    color: var(--neon-green);
    font-weight: bold;
}

@media (max-width: 768px) {
    .process-track::before {
        left: 30px;
    }
    .process-step {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }
    .step-number {
        left: 0;
        margin-bottom: 8px;
    }
}

/* ********** ROI CALCULATOR SECTION ********** */
.calculator {
    padding: 60px 24px;
    display: flex;
    justify-content: center;
}

.calc-wrapper {
    max-width: 800px;
    width: 100%;
}

.calc-header {
    text-align: center;
    margin-bottom: 56px;
}

.calc-header h2 {
    font-size: 3.2rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1px;
}

.calc-header p {
    color: var(--text-muted);
    font-size: 1.15rem;
}

.calc-form {
    margin-bottom: 48px;
    background: var(--calc-form-bg);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.input-group {
    margin-bottom: 32px;
}
.input-group:last-child {
    margin-bottom: 0;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 1.15rem;
}

.val-display {
    color: var(--text-main);
    background: var(--neon-green-dim);
    padding: 6px 16px;
    border-radius: 8px;
    border: 1px solid var(--neon-green-dim);
    font-family: monospace;
    font-size: 1.2rem;
    box-shadow: var(--inner-shadow);
}
.val-display span {
    color: var(--neon-green);
    font-weight: bold;
}

/* Custom Range Slider */
.cyber-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: var(--slider-bg);
    border-radius: 4px;
    outline: none;
    box-shadow: var(--slider-shadow);
}

.cyber-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--neon-green);
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.6), inset 0 0 5px rgba(255,255,255,0.8);
    transition: transform var(--transition-snappy), box-shadow var(--transition-smooth);
    border: 2px solid var(--slider-thumb-border);
}

.cyber-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 25px rgba(0, 255, 136, 1), inset 0 0 8px rgba(255,255,255,0.9);
}

.cyber-slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--neon-green);
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.6), inset 0 0 5px rgba(255,255,255,0.8);
    border: 2px solid var(--slider-thumb-border);
    transition: transform var(--transition-snappy), box-shadow var(--transition-smooth);
}

.cyber-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 25px rgba(0, 255, 136, 1), inset 0 0 8px rgba(255,255,255,0.9);
}

.calc-result-box {
    background: var(--calc-result-bg);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--neon-green-dim);
    position: relative;
    overflow: hidden;
    box-shadow: var(--calc-result-shadow);
}

.calc-result-box::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: skewX(-25deg);
    animation: sweep 5s infinite;
}

@keyframes sweep {
    0% { left: -100%; }
    15% { left: 200%; }
    100% { left: 200%; }
}

.result-label {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#calc-result {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.detail-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.detail-text::before {
    content: '⚡';
    font-size: 1.1rem;
}

/* ********** FAQ SECTION ********** */
.faq {
    padding: 60px 24px;
    position: relative;
    z-index: 10;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 24px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
    font-family: inherit;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--neon-green);
    transition: transform 0.3s ease;
}

.faq-item.active {
    border-color: var(--neon-green-dim);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.1);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
    color: var(--danger-red);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease;
    background: var(--faq-answer-bg);
}

.faq-answer p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    padding: 24px;
}

.schedule-info {
    margin: 16px auto 48px;
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 174, 255, 0.1), rgba(0, 255, 136, 0.05));
    border: 1px solid rgba(0, 174, 255, 0.3);
    padding: 24px 32px;
    border-radius: 16px;
    color: var(--text-main);
    text-align: left;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.schedule-title {
    display: block;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--electric-blue);
    margin-bottom: 12px;
}

.schedule-detail {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

.schedule-location {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ********** LEAD FORM SECTION ********** */
.lead-form {
    padding: 80px 24px 100px;
    display: flex;
    justify-content: center;
}

.form-wrapper {
    max-width: 650px;
    width: 100%;
    box-shadow: var(--glass-shadow), 0 0 50px rgba(0, 174, 255, 0.1);
    border-color: rgba(0, 174, 255, 0.2);
}

.form-header {
    text-align: center;
    margin-bottom: 48px;
}

.form-header h2 {
    font-size: 3rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1px;
}

.form-header p {
    color: var(--text-muted);
    font-size: 1.15rem;
}

.btn-submit {
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-green));
    color: #000;
    border: none;
    padding: 22px;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--transition-snappy);
    margin-top: 16px;
    box-shadow: 0 10px 30px rgba(0, 174, 255, 0.3);
}

.btn-submit:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.4);
}

/* ********** FOOTER ********** */
footer {
    padding: 60px 24px;
    border-top: 1px solid var(--glass-border);
    background: var(--footer-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--text-main);
    opacity: 0.8;
}

.footer-logo .highlight {
    color: var(--neon-green);
    font-size: 0.85rem;
    margin-left: 4px;
}

.family-select {
    padding: 10px 16px;
    background: var(--select-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border-highlight);
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    min-width: 180px;
    font-family: inherit;
}

.family-select:hover, .family-select:focus {
    border-color: var(--electric-blue);
    background: var(--bg-card);
}

.family-select option {
    background: var(--bg-dark);
    color: var(--text-main);
}

.company-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 0;
}

.company-info a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-info a:hover {
    color: var(--neon-green);
}

.copyright p {
    color: var(--text-muted);
    opacity: 0.7;
    font-size: 0.9rem;
    margin: 0;
}

@keyframes blinkAttention {
    0% { opacity: 1; transform: scale(1); box-shadow: none; }
    25% { opacity: 0.6; transform: scale(0.95); box-shadow: 0 0 10px var(--neon-green-dim); }
    50% { opacity: 1; transform: scale(1.05); box-shadow: 0 0 25px var(--neon-green); border-color: var(--neon-green); color: var(--neon-green); }
    75% { opacity: 0.6; transform: scale(0.95); box-shadow: 0 0 10px var(--neon-green-dim); }
    100% { opacity: 1; transform: scale(1); box-shadow: none; }
}

.blink-attention {
    animation: blinkAttention 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ********** RESPONSIVE DESIGN ********** */
@media (max-width: 992px) {
    .hero .title { font-size: 3.5rem; }
    .price-badge { font-size: 2.8rem; }
    .section-header h2, .calc-header h2, .form-header h2 { font-size: 2.8rem; }
    #calc-result { font-size: 3.8rem; }
}

@media (max-width: 768px) {
    .mobile-break {
        display: block;
    }

    .glass-card {
        padding: 32px 24px;
        border-radius: 20px;
    }
    
    .hero {
        padding: 120px 20px 60px;
    }

    .hero .title {
        font-size: 2.8rem;
    }

    .price-badge {
        font-size: 2.2rem;
        margin-bottom: 24px;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .section-header h2, .calc-header h2, .form-header h2 {
        font-size: 2.2rem;
    }

    .calc-result-box {
        padding: 32px 24px;
    }
    
    #calc-result {
        font-size: 2.8rem;
    }
    
    .label-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .btn-primary, .btn-submit {
        padding: 18px 32px;
        font-size: 1.1rem;
        width: 100%;
    }

    .bg-glow {
        width: 80vw;
        height: 80vw;
    }
}

@media (max-width: 480px) {
    .hero .title {
        font-size: 2.4rem;
        letter-spacing: -0.5px;
    }

    .price-badge {
        font-size: 2rem;
    }
    
    .section-header h2, .calc-header h2, .form-header h2 {
        font-size: 1.8rem;
    }

    .nav-container {
        padding: 0 16px;
    }
    
    .btn-outline {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}
```