/* ============================================
   EXE ONLINE EDITOR - CYBER-FUTURISTIC DESIGN SYSTEM
   Premium UI/UX with Smooth Animations
   ============================================ */

/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Color System */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f18;
    --bg-tertiary: #151520;
    --bg-card: rgba(15, 15, 24, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.02);
    
    /* Accent Colors */
    --accent-cyan: #00f0ff;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-pink: #ec4899;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --text-dim: #52525b;
    
    /* Border Colors */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(0, 240, 255, 0.3);
    --border-active: rgba(139, 92, 246, 0.5);
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    --gradient-purple: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow-cyan: 0 0 30px rgba(0, 240, 255, 0.2);
    --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.2);
    
    /* Typography */
    --font-display: 'Orbitron', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        var(--gradient-hero),
        radial-gradient(ellipse at 80% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Grid Pattern Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    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;
    pointer-events: none;
    z-index: -1;
    opacity: 0.5;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */
.text-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
    transform: translateX(-100%);
    animation: logoShine 3s ease-in-out infinite;
}

@keyframes logoShine {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    color: var(--bg-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding: var(--space-sm) 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width var(--transition-base);
}

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

.nav-link.active {
    color: var(--accent-cyan);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--bg-primary);
    font-weight: 700;
}

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

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--space-xl) var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease forwards;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    height: 12px;
    background: var(--gradient-main);
    opacity: 0.3;
    z-index: -1;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

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

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Floating Elements Animation */
.hero-float-element {
    position: absolute;
    border-radius: var(--radius-lg);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SECTION BASE STYLES
   ============================================ */
.section {
    padding: var(--space-4xl) var(--space-xl);
    position: relative;
}

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

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   BUILDER SECTION
   ============================================ */
.builder-section {
    padding: var(--space-3xl) var(--space-xl);
    background: linear-gradient(180deg, transparent 0%, rgba(139, 92, 246, 0.03) 50%, transparent 100%);
}

.builder-container {
    max-width: 800px;
    margin: 0 auto;
}

.builder-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.builder-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-main);
    opacity: 0.5;
}

.builder-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.builder-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.builder-icon svg {
    width: 36px;
    height: 36px;
    color: var(--accent-cyan);
}

.builder-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-lg);
    background: var(--gradient-main);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
    filter: blur(15px);
}

.builder-card:hover .builder-icon::after {
    opacity: 0.3;
}

.builder-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.builder-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Form Styles */
.form-grid {
    display: grid;
    gap: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label svg {
    width: 16px;
    height: 16px;
    color: var(--accent-cyan);
}

.required-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-red);
    border-radius: 50%;
    margin-left: var(--space-xs);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

.form-input::placeholder {
    color: var(--text-dim);
}

.form-input:hover {
    border-color: var(--border-hover);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2371717a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* File Upload */
.file-upload-area {
    position: relative;
    border: 2px dashed var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
}

.file-upload-area:hover {
    border-color: var(--accent-cyan);
    background: var(--gradient-glow);
}

.file-upload-area.dragover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
}

.file-upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-upload-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-cyan);
}

.file-upload-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.file-upload-text strong {
    color: var(--accent-cyan);
}

.file-upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-preview {
    display: none;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.file-preview.show {
    display: flex;
}

.file-preview-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.file-preview-info {
    flex: 1;
}

.file-preview-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.file-preview-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-preview-remove {
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--accent-red);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.file-preview-remove:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
}

/* Advanced Settings Toggle */
.advanced-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    margin-top: var(--space-lg);
}

.advanced-toggle:hover {
    border-color: var(--border-hover);
}

.advanced-toggle-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.advanced-toggle-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-glow);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
}

.advanced-toggle-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.advanced-toggle-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.advanced-toggle-arrow {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.advanced-toggle.active .advanced-toggle-arrow {
    transform: rotate(180deg);
}

.advanced-settings {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.advanced-settings.show {
    max-height: 500px;
}

.advanced-settings-inner {
    padding-top: var(--space-lg);
    display: grid;
    gap: var(--space-lg);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    margin-top: var(--space-xl);
    background: var(--gradient-main);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.submit-btn:hover::before {
    transform: translateX(100%);
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-btn svg {
    width: 22px;
    height: 22px;
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loader {
    display: flex;
}

.btn-loader {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   RESULT SECTION
   ============================================ */
.result-section {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    padding: 0 var(--space-xl);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all var(--transition-slow);
}

.result-section.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.result-card {
    background: var(--bg-card);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
}

.result-card.error {
    border-color: rgba(239, 68, 68, 0.3);
}

.result-card.error::before {
    background: linear-gradient(90deg, var(--accent-red), var(--accent-orange));
}

.result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid rgba(16, 185, 129, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    animation: successPop 0.5s var(--transition-spring);
}

@keyframes successPop {
    0% { transform: scale(0); }
    60% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.result-icon svg {
    width: 40px;
    height: 40px;
}

.result-icon.error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--accent-red);
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.result-message {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.download-btn svg {
    width: 20px;
    height: 20px;
}

/* Certificate Warning */
.certificate-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    width: 100%;
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.08) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 1px solid rgba(251, 191, 36, 0.25);
    border-radius: var(--radius-md);
    text-align: left;
    animation: warningPulse 3s ease-in-out infinite;
}

@keyframes warningPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0); }
    50% { box-shadow: 0 0 20px 0 rgba(251, 191, 36, 0.1); }
}

.warning-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: rgba(251, 191, 36, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
}

.warning-content {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.warning-content strong {
    color: var(--accent-orange);
}

/* ============================================
   LICENSE PRICING SECTION (After Build)
   ============================================ */
.license-pricing-section {
    width: 100%;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-glass);
    text-align: left;
    animation: fadeInUp 0.5s ease forwards;
}

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

.pricing-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-purple);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.pricing-title h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
}

.pricing-title p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.pricing-intro {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

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

@media (max-width: 700px) {
    .pricing-tiers {
        grid-template-columns: 1fr;
    }
}

.pricing-tier {
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    transition: all var(--transition-base);
}

.pricing-tier:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-cyan);
}

.pricing-tier.popular {
    border-color: var(--accent-purple);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(0, 240, 255, 0.05) 100%);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-main);
    color: var(--bg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.tier-badge {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: var(--space-sm);
}

.tier-range {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.tier-price {
    margin-bottom: var(--space-sm);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-unit {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tier-note {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

.tier-savings {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-top: var(--space-xs);
}

.pricing-calculator {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.pricing-calculator label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
}

.pricing-calculator label svg {
    color: var(--accent-cyan);
}

.calculator-input-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.calculator-input-group input {
    flex: 1;
    min-width: 100px;
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-display);
    transition: all var(--transition-base);
}

.calculator-input-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.calculated-price {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
}

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

.calc-amount {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.purchase-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-purple);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.purchase-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

.pricing-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: var(--space-md);
    margin-bottom: 0;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.02) 50%, transparent 100%);
}

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

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-lg);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-main);
    color: var(--bg-primary);
    border-color: transparent;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   TRUST SECTION
   ============================================ */
.trust-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 900px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
}

.trust-item {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.trust-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.trust-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.trust-icon svg {
    width: 32px;
    height: 32px;
}

.trust-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

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

/* ============================================
   SCAN SECTION
   ============================================ */
.scan-section {
    background: linear-gradient(180deg, transparent 0%, rgba(16, 185, 129, 0.03) 50%, transparent 100%);
}

.scan-container {
    max-width: 900px;
    margin: 0 auto;
}

.scan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (max-width: 700px) {
    .scan-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.scan-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.scan-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.scan-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.scan-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.scan-feature svg {
    width: 16px;
    height: 16px;
    color: var(--accent-green);
}

.scan-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.scan-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
}

.scan-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-graphic {
    width: 200px;
    height: 200px;
    background: var(--gradient-glow);
    border: 2px solid var(--border-glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scan-graphic::before {
    content: '';
    position: absolute;
    inset: 10px;
    border: 2px dashed var(--border-glass);
    border-radius: 50%;
    animation: rotateScan 10s linear infinite;
}

@keyframes rotateScan {
    to { transform: rotate(360deg); }
}

.scan-graphic svg {
    width: 80px;
    height: 80px;
    color: var(--accent-green);
}

/* ============================================
   PRICING SECTION (Main Page)
   ============================================ */
.pricing-section {
    background: linear-gradient(180deg, transparent 0%, rgba(139, 92, 246, 0.03) 50%, transparent 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 700px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
}

.pricing-card.featured {
    border-color: var(--accent-purple);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-purple);
}

.pricing-card-header {
    text-align: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

.pricing-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-glow);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.pricing-card-icon svg {
    width: 32px;
    height: 32px;
}

.pricing-card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.pricing-card-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-card-price {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.pricing-card-amount {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card-period {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-card-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-card-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-card-features li svg {
    width: 18px;
    height: 18px;
    color: var(--accent-green);
    flex-shrink: 0;
}

.pricing-card-cta {
    display: block;
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-main);
    color: var(--bg-primary);
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.pricing-card-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item.active {
    border-color: var(--accent-cyan);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-glass);
}

.faq-question-text {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.faq-question-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--gradient-glow);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.faq-question-icon svg {
    width: 18px;
    height: 18px;
}

.faq-toggle {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.faq-item.active .faq-toggle {
    background: var(--gradient-main);
    color: var(--bg-primary);
    transform: rotate(45deg);
}

.faq-toggle svg {
    width: 16px;
    height: 16px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-xl) var(--space-xl);
    padding-left: calc(var(--space-xl) + 36px + var(--space-md));
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-answer-content a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

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

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-main);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-icon svg {
    width: 20px;
    height: 20px;
    color: var(--bg-primary);
}

.footer-logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-logo-text span {
    color: var(--accent-cyan);
}

.footer-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-badge svg {
    width: 14px;
    height: 14px;
    color: var(--accent-green);
}

/* ============================================
   FUTURE UI - AUTH MODAL (Non-functional)
   ============================================ */
.auth-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.auth-modal-overlay.show {
    display: flex;
}

.auth-modal {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

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

.auth-modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.auth-modal-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-tabs {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.auth-tab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab.active {
    background: var(--gradient-main);
    color: var(--bg-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.auth-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.auth-form .form-input {
    padding: var(--space-md);
}

.auth-submit {
    width: 100%;
    padding: var(--space-md);
    margin-top: var(--space-sm);
    background: var(--gradient-main);
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--text-dim);
    font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.auth-social {
    display: flex;
    gap: var(--space-md);
}

.auth-social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-social-btn:hover {
    border-color: var(--border-hover);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scroll-reveal.delay-1 { transition-delay: 0.1s; }
.scroll-reveal.delay-2 { transition-delay: 0.2s; }
.scroll-reveal.delay-3 { transition-delay: 0.3s; }
.scroll-reveal.delay-4 { transition-delay: 0.4s; }
.scroll-reveal.delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 24px;
        --space-2xl: 36px;
        --space-3xl: 48px;
        --space-4xl: 72px;
    }
    
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .builder-card {
        padding: var(--space-xl);
    }
    
    .header-actions .btn-ghost {
        display: none;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: var(--space-sm) var(--space-md);
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .section {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .result-section {
        padding: 0 var(--space-md);
    }
    
    .builder-card {
        padding: var(--space-lg);
    }
    
    .faq-question {
        padding: var(--space-md);
    }
    
    .faq-answer-content {
        padding-left: var(--space-md);
    }
}