/* =====================================================
   ZTT-E (Expense) Page Styles
   Color Theme: Neon Cyan/Blue Gradient
   Design: Minimal, Premium, No Generic Icons
   ===================================================== */

/* =====================================================
   CSS Variables - ZTT-E Theme
   ===================================================== */
:root {
    /* Primary Colors - Deep Dark */
    --color-primary: #050a10;
    --color-primary-light: #0a1520;
    --color-primary-dark: #020508;
    
    /* Accent Colors - Neon Cyan Gradient */
    --color-accent: #00d4ff;
    --color-accent-light: #4de8ff;
    --color-accent-dark: #00a8cc;
    --color-accent-glow: rgba(0, 212, 255, 0.4);
    
    /* Secondary - Neon Green */
    --color-secondary: #00ff88;
    --color-secondary-dark: #00cc6a;
    
    /* Gradient */
    --gradient-neon: linear-gradient(135deg, #00d4ff 0%, #0088ff 50%, #00ff88 100%);
    --gradient-neon-subtle: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 136, 255, 0.1) 50%, rgba(0, 255, 136, 0.05) 100%);
    --gradient-dark: linear-gradient(180deg, #050a10 0%, #0a1520 50%, #050a10 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    
    /* Problem Color */
    --color-problem: #ff6b6b;
    --color-problem-bg: rgba(255, 107, 107, 0.08);
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-100: #f0f4f8;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.65);
    --color-text-muted: rgba(255, 255, 255, 0.4);
    --color-text-dark: #1e293b;
    --color-text-dark-secondary: #475569;
    
    /* Typography - Stylish Sans-Serif */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Inter', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-glow: 0 0 60px var(--color-accent-glow);
    --shadow-glow-strong: 0 0 100px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =====================================================
   Reset & Base Styles
   ===================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-primary);
    color: var(--color-text-primary);
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

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

strong {
    font-weight: 600;
    color: var(--color-accent);
}

.text-gradient {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-neon);
    color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

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

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn-cta-primary {
    background: var(--gradient-neon);
    color: var(--color-primary);
    padding: var(--space-lg) var(--space-3xl);
    font-size: 0.9375rem;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    min-width: 200px;
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-cta-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid rgba(0, 212, 255, 0.4);
    padding: var(--space-lg) var(--space-3xl);
    font-size: 0.9375rem;
    min-width: 200px;
}

.btn-cta-secondary:hover {
    background: rgba(0, 212, 255, 0.08);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

/* =====================================================
   Section Styles
   ===================================================== */
.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-dark {
    background: var(--gradient-dark);
}

.section-light {
    background: var(--color-gray-100);
    color: var(--color-text-dark);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-number {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 500;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-light .section-title {
    color: var(--color-text-dark);
}

.section-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

.section-light .section-desc {
    color: var(--color-text-dark-secondary);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-2xl);
}

/* Hero Icon */
.hero-icon-wrapper {
    margin-bottom: var(--space-2xl);
    perspective: 1000px;
}

.hero-z-icon {
    display: inline-block;
    position: relative;
    width: 200px;
    height: 200px;
}

.ztt-e-logo {
    width: 180px;
    height: 180px;
    object-fit: contain;
    position: relative;
    z-index: 2;
    animation: iconEmergeDissolve 10s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.6)) 
            drop-shadow(0 0 60px rgba(0, 212, 255, 0.4))
            drop-shadow(0 0 100px rgba(0, 212, 255, 0.2));
}

@keyframes iconEmergeDissolve {
    0% {
        opacity: 0;
        filter: blur(25px) 
                drop-shadow(0 0 40px rgba(0, 212, 255, 0.8)) 
                drop-shadow(0 0 80px rgba(0, 212, 255, 0.5));
        transform: scale(0.7);
    }
    15% {
        opacity: 1;
        filter: blur(0px) 
                drop-shadow(0 0 30px rgba(0, 212, 255, 0.6)) 
                drop-shadow(0 0 60px rgba(0, 212, 255, 0.4))
                drop-shadow(0 0 100px rgba(0, 212, 255, 0.2));
        transform: scale(1);
    }
    75% {
        opacity: 1;
        filter: blur(0px) 
                drop-shadow(0 0 30px rgba(0, 212, 255, 0.6)) 
                drop-shadow(0 0 60px rgba(0, 212, 255, 0.4))
                drop-shadow(0 0 100px rgba(0, 212, 255, 0.2));
        transform: scale(1);
    }
    100% {
        opacity: 0;
        filter: blur(20px) 
                drop-shadow(0 0 50px rgba(0, 255, 136, 0.6)) 
                drop-shadow(0 0 100px rgba(0, 255, 136, 0.3));
        transform: scale(1.08);
    }
}

.icon-glow-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ringEmerge 10s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.15),
                inset 0 0 30px rgba(0, 212, 255, 0.1);
}

.icon-glow-ring-2 {
    width: 300px;
    height: 300px;
    border-color: rgba(0, 212, 255, 0.15);
    animation: ringDissolve 10s ease-in-out infinite;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.1),
                inset 0 0 50px rgba(0, 212, 255, 0.05);
}

.icon-glow-ring-3 {
    width: 380px;
    height: 380px;
    border-color: rgba(0, 212, 255, 0.08);
    animation: ringDissolve 10s ease-in-out infinite 0.5s;
    box-shadow: 0 0 80px rgba(0, 212, 255, 0.05);
}

@keyframes ringEmerge {
    0% { transform: translate(-50%, -50%) scale(0.4); opacity: 0; }
    15% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    75% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
}

@keyframes ringDissolve {
    0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    80% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; }
}

/* Glow Aura - Ambient light effect */
.icon-glow-aura {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250px;
    height: 250px;
    transform: translate(-50%, -50%);
    background: radial-gradient(
        ellipse at center,
        rgba(0, 212, 255, 0.25) 0%,
        rgba(0, 212, 255, 0.1) 30%,
        rgba(0, 255, 136, 0.05) 50%,
        transparent 70%
    );
    border-radius: 50%;
    animation: auraBreath 10s ease-in-out infinite;
    pointer-events: none;
}

@keyframes auraBreath {
    0% { 
        transform: translate(-50%, -50%) scale(0.6); 
        opacity: 0;
    }
    15% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1); 
        opacity: 0.8;
    }
    75% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 1;
    }
    100% { 
        transform: translate(-50%, -50%) scale(1.3); 
        opacity: 0;
    }
}

.icon-circuit-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.circuit-line {
    position: absolute;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.5), transparent);
    height: 1px;
}

.circuit-line-1 {
    top: 50%;
    right: -100px;
    width: 100px;
    animation: circuitEmerge 10s ease-in-out infinite;
}

.circuit-line-2 {
    top: 50%;
    left: -100px;
    width: 100px;
    background: linear-gradient(-90deg, rgba(0, 212, 255, 0.6), transparent);
    animation: circuitEmerge 10s ease-in-out infinite 0.3s;
}

.circuit-line-3 {
    left: 50%;
    top: -60px;
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.6));
    animation: circuitEmerge 10s ease-in-out infinite 0.6s;
}

.circuit-line-4 {
    left: 50%;
    bottom: -60px;
    width: 1px;
    height: 60px;
    background: linear-gradient(0deg, transparent, rgba(0, 212, 255, 0.6));
    animation: circuitEmerge 10s ease-in-out infinite 0.9s;
}

@keyframes circuitEmerge {
    0%, 15% { opacity: 0; transform: scaleX(0); }
    25% { opacity: 1; transform: scaleX(1); }
    75% { opacity: 1; transform: scaleX(1); }
    100% { opacity: 0; transform: scaleX(1.8); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2xl);
}

.badge-text {
    font-family: var(--font-accent);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--space-3xl);
    font-weight: 400;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-family: var(--font-accent);
    font-size: 3.5rem;
    font-weight: 600;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.8); }
}

.scroll-text {
    font-family: var(--font-accent);
    font-size: 0.5625rem;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* =====================================================
   Reality Section - Current State
   ===================================================== */
.reality-intro {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.intro-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

/* Pain Cards - Minimal Design */
.pain-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.pain-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: left;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.pain-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-4px);
}

.pain-card:hover::before {
    opacity: 1;
}

.pain-role {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.pain-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.01em;
}

.pain-quote {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--space-md) 0;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    padding-left: var(--space-md);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.pain-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.reality-question {
    text-align: center;
    margin-top: var(--space-4xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.reality-question .question-text {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: var(--color-text-secondary);
}

/* =====================================================
   Story Sections - Disconnect & Root Cause
   ===================================================== */
.section-story {
    background: linear-gradient(180deg, var(--color-primary) 0%, #0a1520 100%);
}

.story-block {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.story-text {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    font-weight: 400;
    line-height: 2.2;
    color: var(--color-text-primary);
}

/* Disconnect Visual - Abstract */
.disconnect-visual {
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.disconnect-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-2xl);
}

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

.disconnect-time {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.625rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.disconnect-box {
    padding: var(--space-xl) var(--space-2xl);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 140px;
}

.disconnect-box-activity {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.04);
}

.disconnect-box-expense {
    border-color: rgba(255, 107, 107, 0.3);
    background: rgba(255, 107, 107, 0.04);
}

/* Abstract Icon - Line Art */
.disconnect-icon-abstract {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    position: relative;
}

.disconnect-icon-abstract svg {
    width: 100%;
    height: 100%;
}

.disconnect-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.disconnect-gap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: 0 var(--space-lg);
}

.gap-line {
    width: 80px;
    height: 1px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-problem) 0,
        var(--color-problem) 4px,
        transparent 4px,
        transparent 8px
    );
}

.gap-label {
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-problem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.gap-time {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

.next-question {
    text-align: center;
    padding-top: var(--space-2xl);
}

.next-question .question-text {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-secondary);
}

/* =====================================================
   Root Cause Section
   ===================================================== */
.section-root-cause {
    background: linear-gradient(180deg, #0a1520 0%, #0d1f35 50%, #0a1520 100%);
    position: relative;
    overflow: hidden;
}

.section-root-cause::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.02) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.cause-reveal {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.reveal-content {
    max-width: 700px;
    margin: 0 auto;
}

.reveal-lead {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.reveal-main {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text-primary);
}

.reveal-highlight {
    display: inline-block;
    color: var(--color-problem);
    font-weight: 500;
}

.cause-explanation {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.explanation-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 2.2;
}

/* Consequence Grid - Minimal */
.consequence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.consequence-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    text-align: center;
}

/* Abstract consequence icons */
.consequence-icon-abstract {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-xs);
}

.consequence-icon-abstract svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-accent);
    stroke-width: 1;
    fill: none;
}

.consequence-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.consequence-why {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    white-space: nowrap;
}

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

.summary-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

/* =====================================================
   Fundamental Section
   ===================================================== */
.section-fundamental {
    background: linear-gradient(180deg, #0a1520 0%, var(--color-primary) 100%);
}

.fundamental-block {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-4xl);
}

.fundamental-lead {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
}

.fundamental-core {
    padding: var(--space-3xl);
    background: rgba(0, 212, 255, 0.02);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-2xl);
}

.core-question {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-2xl);
    line-height: 1.8;
}

.core-answer {
    margin-bottom: var(--space-2xl);
}

.answer-item {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

.answer-highlight {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.answer-and {
    font-family: var(--font-accent);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: var(--space-sm) 0;
}

.core-statement {
    font-size: 1.125rem;
    color: var(--color-text-primary);
    margin: 0;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

.contrast-text {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-secondary);
    line-height: 2.2;
}

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

/* Core Insight */
.core-insight {
    margin-bottom: var(--space-2xl);
}

.insight-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin: 0;
}

.insight-highlight {
    display: inline;
    color: var(--color-accent);
    font-weight: 500;
}

/* =====================================================
   Era Change Section
   ===================================================== */
.section-era {
    background: var(--color-primary);
}

.era-comparison {
    display: flex;
    align-items: stretch;
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto var(--space-4xl);
}

.era-past,
.era-present {
    flex: 1;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.era-past {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.era-present {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.era-label {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

.era-past .era-label {
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.04);
}

.era-present .era-label {
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
}

.era-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.era-item {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}

.era-item-past {
    opacity: 0.5;
}

.era-item-present {
    background: rgba(0, 212, 255, 0.06);
}

.item-text {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.era-past .item-text {
    text-decoration: line-through;
    color: var(--color-text-muted);
}

.era-conclusion {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.era-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-md);
}

.divider-text {
    font-family: var(--font-accent);
    font-size: 0.625rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.era-question {
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.era-question .question-block {
    margin: 0;
    padding: var(--space-3xl);
    background: rgba(0, 0, 0, 0.3);
    border: none;
    border-left: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    text-align: center;
}

.question-main {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-primary);
    margin: 0;
}

.question-emphasis {
    display: block;
    margin-top: var(--space-md);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.challenge-text {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--color-text-secondary);
    line-height: 2.2;
}

/* =====================================================
   Solution Section - Revolutionary Design
   ===================================================== */

/* Solution Pillars - Three Capabilities */
.solution-pillars {
    max-width: 900px;
    margin: 0 auto var(--space-4xl);
}

.pillar-intro {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.pillar-badge {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.pillar-lead {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin: 0;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.pillar-item {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    text-align: left;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pillar-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.pillar-item:hover {
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-4px);
}

.pillar-item:hover::before {
    opacity: 1;
}

/* Consulting - Blue */
.pillar-consulting::before {
    background: linear-gradient(90deg, #4299e1, #00d4ff);
}
.pillar-consulting:hover {
    border-color: rgba(66, 153, 225, 0.3);
}
.pillar-consulting .pillar-tag {
    color: #4299e1;
    background: rgba(66, 153, 225, 0.1);
}

/* Operation - Green */
.pillar-operation::before {
    background: linear-gradient(90deg, #48bb78, #00ff88);
}
.pillar-operation:hover {
    border-color: rgba(72, 187, 120, 0.3);
}
.pillar-operation .pillar-tag {
    color: #48bb78;
    background: rgba(72, 187, 120, 0.1);
}

/* Technology - Purple */
.pillar-technology::before {
    background: linear-gradient(90deg, #9f7aea, #d6bcfa);
}
.pillar-technology:hover {
    border-color: rgba(159, 122, 234, 0.3);
}
.pillar-technology .pillar-tag {
    color: #9f7aea;
    background: rgba(159, 122, 234, 0.1);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.pillar-number {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.pillar-tag {
    font-family: var(--font-accent);
    font-size: 0.5625rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

.pillar-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.pillar-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin: 0;
}

.pillar-highlight {
    display: block;
    margin-top: var(--space-md);
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.pillar-result {
    text-align: center;
    padding: var(--space-2xl);
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-xl);
}

.result-text {
    font-size: 1.125rem;
    color: var(--color-text-primary);
    line-height: 1.9;
    margin: 0;
    text-align: center;
}

.result-text strong {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Approach Difference: Addition vs Subtraction */
.approach-difference {
    max-width: 900px;
    margin: 0 auto var(--space-4xl);
}

.approach-compare {
    display: flex;
    align-items: stretch;
    gap: var(--space-lg);
}

.approach-box {
    flex: 1;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.approach-traditional {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.approach-ztt {
    background: rgba(0, 212, 255, 0.04);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.approach-label {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.approach-traditional .approach-label {
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.05);
}

.approach-ztt .approach-label {
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
}

.approach-type {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.approach-traditional .approach-type {
    color: var(--color-text-muted);
}

.approach-ztt .approach-type {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.approach-explain {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--space-lg);
}

.approach-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
}

.approach-result-bad {
    background: rgba(255, 107, 107, 0.1);
    color: var(--color-problem);
}

.approach-result-good {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-secondary);
}

.result-icon {
    font-size: 1rem;
}

.approach-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-md);
}

.approach-vs span {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

/* Tool Stack */
.solution-tools {
    text-align: center;
    margin-bottom: var(--space-5xl);
    padding-bottom: var(--space-4xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tools-lead {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.tool-stack {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.tool-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
}

.tool-logo {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.tool-name {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.tool-connector {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* Traditional Flow */
.traditional-flow-section,
.ztte-flow-section {
    margin-bottom: var(--space-4xl);
}

.flow-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.flow-badge {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.5625rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.flow-badge-problem {
    background: rgba(255, 107, 107, 0.1);
    color: var(--color-problem);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.flow-badge-solution {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.flow-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.flow-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* Traditional Timeline - Minimal */
.traditional-timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.timeline-phase {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.01);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all var(--transition-base);
}

.timeline-phase:hover {
    background: rgba(255, 255, 255, 0.03);
}

.phase-warning {
    border-color: rgba(255, 193, 7, 0.15);
}

.phase-danger {
    border-color: rgba(255, 107, 107, 0.2);
    background: rgba(255, 107, 107, 0.02);
}

.phase-marker {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
    flex-shrink: 0;
}

.phase-marker-pain {
    background: rgba(255, 107, 107, 0.15);
}

.phase-number {
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.phase-marker-pain .phase-number {
    color: var(--color-problem);
}

.phase-content {
    flex: 1;
}

.phase-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.phase-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.phase-pain {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--color-problem);
    opacity: 0.8;
}

.timeline-connector {
    display: flex;
    align-items: center;
    padding: var(--space-sm) 0;
    padding-left: 52px;
}

.connector-line {
    width: 1px;
    height: 20px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), rgba(255, 107, 107, 0.2));
}

.connector-time {
    font-size: 0.625rem;
    color: var(--color-text-muted);
    margin-left: var(--space-md);
    font-style: italic;
}

.traditional-summary {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: rgba(255, 107, 107, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 107, 107, 0.1);
}

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

.summary-stat .stat-value {
    display: block;
    font-family: var(--font-accent);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-problem);
}

.summary-stat .stat-label {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

/* =====================================================
   ZTT-E Revolutionary Flow
   ===================================================== */
.ztte-flow-section {
    padding: var(--space-3xl);
    background: var(--gradient-neon-subtle);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(0, 212, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.ztte-flow-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top center, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.flow-header-solution .flow-title {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.flow-header-solution .flow-subtitle {
    color: var(--color-accent);
    font-weight: 500;
}

/* No Screen Message */
.no-screen-message {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    z-index: 1;
}

.no-screen-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.25);
    border-radius: var(--radius-full);
}

.no-screen-text {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
}

/* Revolutionary Steps */
.ztte-revolutionary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-2xl) 0;
    position: relative;
    z-index: 1;
}

.revolution-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 160px;
    transition: all var(--transition-base);
}

.revolution-step:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.25);
}

.revolution-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-neon);
    color: var(--color-primary);
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

.revolution-title {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.revolution-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.revolution-time {
    display: inline-block;
    margin-top: var(--space-sm);
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-secondary);
    background: rgba(0, 255, 136, 0.1);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.revolution-connector {
    width: 50px;
    height: 30px;
    flex-shrink: 0;
}

.revolution-connector svg {
    width: 100%;
    height: 100%;
}

.revolution-connector-magic {
    width: auto;
    height: auto;
    padding: var(--space-md) var(--space-lg);
}

.magic-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.magic-particles {
    display: flex;
    gap: 3px;
}

.magic-particles span {
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: magicFloat 2s ease infinite;
}

.magic-particles span:nth-child(1) { animation-delay: 0s; }
.magic-particles span:nth-child(2) { animation-delay: 0.15s; }
.magic-particles span:nth-child(3) { animation-delay: 0.3s; }
.magic-particles span:nth-child(4) { animation-delay: 0.45s; }
.magic-particles span:nth-child(5) { animation-delay: 0.6s; }

@keyframes magicFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.4; }
    50% { transform: translateY(-8px) scale(1.3); opacity: 1; }
}

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

.magic-text {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.magic-sub {
    font-size: 0.5625rem;
    color: var(--color-text-muted);
}

/* Final Step */
.revolution-step-final {
    background: rgba(0, 255, 136, 0.05);
    border-color: rgba(0, 255, 136, 0.25);
    position: relative;
}

.revolution-step-final::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.15;
    filter: blur(8px);
}

.revolution-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--color-secondary);
    color: var(--color-primary);
    font-family: var(--font-accent);
    font-size: 0.5rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.15em;
}

/* Impact Message */
.ztte-impact {
    text-align: center;
    margin-top: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.impact-message {
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 255, 136, 0.25);
}

.impact-number {
    font-family: var(--font-accent);
    font-size: 2.5rem;
    font-weight: 600;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.impact-text {
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* =====================================================
   Approach Section - Minimal Cards
   ===================================================== */
.section-header-light .section-number {
    color: var(--color-accent-dark);
}

.section-header-light .section-title {
    color: var(--color-text-dark);
}

.section-header-light .section-desc {
    color: var(--color-text-dark-secondary);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.approach-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.approach-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-neon);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.approach-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
}

.approach-card:hover::before {
    opacity: 1;
}

.approach-card-highlight {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, rgba(0, 255, 136, 0.02) 100%);
    border-color: rgba(0, 212, 255, 0.15);
}

.approach-card-highlight::before {
    opacity: 1;
}

.approach-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.approach-number {
    font-family: var(--font-accent);
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

/* Abstract approach icons */
.approach-icon {
    width: 40px;
    height: 40px;
    opacity: 0.7;
}

.approach-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-accent-dark);
    stroke-width: 1.5;
    fill: none;
}

.approach-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
}

.approach-desc {
    font-size: 0.875rem;
    color: var(--color-text-dark-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-lg);
}

.approach-desc strong {
    color: var(--color-accent-dark);
}

.approach-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-dark-secondary);
    background: rgba(0, 0, 0, 0.04);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

.tag-accent {
    color: var(--color-accent-dark);
    background: rgba(0, 212, 255, 0.1);
}

/* =====================================================
   Flow Section
   ===================================================== */
.flow-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    max-width: 600px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.timeline-marker {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-neon);
    border-radius: 50%;
    position: relative;
}

.timeline-marker::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: calc(var(--space-xl) + 40px);
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.timeline-item:last-child .timeline-marker::after {
    display: none;
}

.marker-number {
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.timeline-content {
    flex: 1;
    padding-bottom: var(--space-xl);
}

.timeline-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.timeline-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.timeline-duration {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

/* =====================================================
   CTA Section
   ===================================================== */
.section-cta {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-primary) 100%);
    padding: var(--space-5xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.cta-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

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

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
    padding: var(--space-sm) var(--space-md);
}

.btn-back:hover {
    color: var(--color-text-primary);
}

.btn-back svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.btn-back:hover svg {
    transform: translateX(-4px);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--color-primary-dark);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-tagline {
    font-family: var(--font-accent);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    text-transform: uppercase;
}

/* =====================================================
   Responsive Styles
   ===================================================== */
@media (max-width: 1024px) {
    .pain-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-4xl) 0;
    }
    
    .container {
        padding: 0 var(--space-lg);
    }
    
    /* Hero Icon Mobile */
    .hero-z-icon {
        width: 160px;
        height: 160px;
    }
    
    .ztt-e-logo {
        width: 140px;
        height: 140px;
    }
    
    .icon-glow-ring {
        width: 180px;
        height: 180px;
    }
    
    .icon-glow-ring-2 {
        width: 220px;
        height: 220px;
    }
    
    .circuit-line-1,
    .circuit-line-2 {
        width: 50px;
    }
    
    .circuit-line-1 { right: -50px; }
    .circuit-line-2 { left: -50px; }
    
    .circuit-line-3,
    .circuit-line-4 {
        height: 40px;
    }
    
    .circuit-line-3 { top: -40px; }
    .circuit-line-4 { bottom: -40px; }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    /* Story Sections Mobile */
    .disconnect-diagram {
        flex-direction: column;
        gap: var(--space-xl);
        padding: var(--space-xl);
    }
    
    .disconnect-gap {
        padding: var(--space-md) 0;
    }
    
    .gap-line {
        width: 1px;
        height: 40px;
        background: repeating-linear-gradient(
            180deg,
            var(--color-problem) 0,
            var(--color-problem) 4px,
            transparent 4px,
            transparent 8px
        );
    }
    
    .consequence-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fundamental-core {
        padding: var(--space-xl);
    }
    
    .era-comparison {
        flex-direction: column;
    }
    
    .era-divider {
        padding: var(--space-md) 0;
    }
    
    .era-items {
        grid-template-columns: 1fr;
    }
    
    .era-question .question-block {
        padding: var(--space-2xl);
    }
    
    /* Pillars Mobile */
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .pillar-item {
        padding: var(--space-lg);
    }
    
    .pillar-result {
        padding: var(--space-xl);
    }
    
    /* Approach Difference Mobile */
    .approach-compare {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .approach-box {
        padding: var(--space-xl);
    }
    
    .approach-vs {
        padding: var(--space-sm) 0;
    }
    
    .approach-type {
        font-size: 1.25rem;
    }
    
    /* Tool Stack Mobile */
    .tool-stack {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .tool-connector {
        transform: rotate(90deg);
    }
    
    /* Timeline Mobile */
    .timeline-phase {
        padding: var(--space-md);
    }
    
    .phase-marker {
        width: 32px;
        height: 32px;
    }
    
    .phase-title {
        font-size: 0.9375rem;
    }
    
    .timeline-connector {
        padding-left: 48px;
    }
    
    .traditional-summary {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    /* ZTT-E Revolutionary Flow Mobile */
    .ztte-flow-section {
        padding: var(--space-xl);
    }
    
    .ztte-revolutionary {
        flex-direction: column;
        gap: var(--space-lg);
        padding: var(--space-xl) 0;
    }
    
    .revolution-step {
        width: 100%;
        max-width: 260px;
    }
    
    .revolution-connector {
        transform: rotate(90deg);
        width: 30px;
        height: 20px;
    }
    
    .revolution-connector-magic {
        transform: none;
        width: 100%;
        padding: var(--space-sm);
    }
    
    .impact-message {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-lg);
    }
    
    .impact-number {
        font-size: 2rem;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .approach-card {
        padding: var(--space-xl);
    }
    
    .timeline-item {
        gap: var(--space-lg);
    }
    
    .timeline-marker {
        width: 36px;
        height: 36px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Mobile-only / PC-only Display Classes */
.sp-only {
    display: none;
}

.pc-only {
    display: inline;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
    
    .pc-only {
        display: none;
    }
}

/* Prevent word breaking in Japanese text */
.pain-desc,
.pain-quote,
.pain-title,
.timeline-desc,
.timeline-title,
.cta-desc,
.cta-title,
.section-desc,
.section-title,
.hero-subtitle,
.phase-title,
.phase-desc,
.phase-pain,
.revolution-title,
.revolution-desc,
.flow-subtitle,
.flow-title,
.impact-text,
.story-text,
.reveal-main,
.explanation-text,
.summary-text,
.core-question,
.core-statement,
.insight-text,
.contrast-text,
.question-main,
.question-text,
.challenge-text,
.pillar-lead,
.pillar-title,
.pillar-desc,
.pillar-highlight,
.result-text,
.intro-text,
.consequence-label,
.consequence-why,
.tools-lead,
.era-conclusion {
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* Remove all sp-only and pc-only breaks - use natural flow */
@media (min-width: 769px) {
    .story-text,
    .reveal-main,
    .explanation-text,
    .core-question,
    .core-statement,
    .insight-text,
    .contrast-text,
    .challenge-text,
    .pillar-lead,
    .result-text {
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* =====================================================
   Animation Utilities
   ===================================================== */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}