/* ============================================
   WORDRUNNER LANDING PAGE - STYLES
   Cyberpunk / Blade Runner Aesthetic
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-dark: #0a0a0f;
    --color-bg-medium: #12121a;
    --color-bg-light: #1a1a24;
    --color-bg-card: #1e1e2a;
    
    --color-cyan: #00f0ff;
    --color-cyan-dim: #00a0aa;
    --color-magenta: #ff00aa;
    --color-purple: #8b5cf6;
    --color-amber: #ffa500;
    --color-red: #ff3366;
    --color-green: #00ff88;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #606070;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a:hover {
    color: var(--color-magenta);
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--color-text-primary);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    color: var(--color-bg-dark) !important;
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-2xl) var(--space-md);
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-medium) 100%);
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-cyan);
    border: 1px solid var(--color-cyan);
    padding: 0.5rem 1rem;
    margin-bottom: var(--space-lg);
    animation: flicker 3s infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    95% { opacity: 0.9; }
    96% { opacity: 1; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-magenta) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.4);
    color: var(--color-bg-dark);
}

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

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
}

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

.btn-outline:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-size: 0.8rem;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--color-cyan-dim), transparent);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem-section {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-medium);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.text-danger {
    color: var(--color-red);
}

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

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.problem-card {
    background: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 51, 102, 0.2);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.problem-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

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

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-dark);
}

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

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-top: var(--space-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 240, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-purple));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.feature-card:hover {
    border-color: var(--color-cyan);
    transform: translateY(-5px);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(0, 240, 255, 0.1);
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-cyan);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.feature-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-purple);
    background: rgba(139, 92, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Special Modes */
.special-modes {
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    padding-top: var(--space-xl);
}

.modes-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.mode-card {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.mode-card:hover {
    border-color: var(--color-purple);
    transform: translateY(-3px);
}

.mode-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.mode-card h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-purple);
    margin-bottom: var(--space-xs);
}

.mode-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   STABILITY SECTION
   ============================================ */
.stability-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-dark) 100%);
}

.stability-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.stability-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

.stability-text .lead {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.stability-list {
    list-style: none;
}

.stability-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.check {
    color: var(--color-green);
    font-weight: bold;
}

.stability-visual {
    display: flex;
    justify-content: center;
}

.stability-meter {
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    width: 100%;
    max-width: 300px;
}

.meter-label {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.meter-bar {
    height: 20px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.meter-fill {
    height: 100%;
    width: 87%;
    background: linear-gradient(90deg, var(--color-green), var(--color-cyan));
    border-radius: var(--radius-sm);
    animation: fillPulse 2s ease-in-out infinite;
}

@keyframes fillPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.meter-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-align: center;
}

/* ============================================
   TEACHERS SECTION
   ============================================ */
.teachers-section {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-dark);
}

.section-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-amber);
    border: 1px solid var(--color-amber);
    padding: 0.5rem 1rem;
    margin-bottom: var(--space-md);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.teacher-feature {
    background: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 165, 0, 0.2);
    transition: all var(--transition-normal);
}

.teacher-feature:hover {
    border-color: var(--color-amber);
    transform: translateY(-5px);
}

.teacher-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.teacher-feature h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-amber);
    margin-bottom: var(--space-xs);
}

.teacher-feature p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

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

/* ============================================
   SCHOOLS SECTION
   ============================================ */
.schools-section {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-medium);
}

.schools-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    align-items: start;
}

.schools-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

.schools-text .lead {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.compliance-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--color-bg-card);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.badge-icon {
    font-size: 1.2rem;
}

/* Pricing */
.pricing-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--color-cyan);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--color-cyan);
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.05) 0%, var(--color-bg-card) 100%);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-cyan);
    color: var(--color-bg-dark);
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

.pricing-tier {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.pricing-users {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

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

.pricing-features li {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ============================================
   DEMO SECTION
   ============================================ */
.demo-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.demo-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

.demo-text p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.contact-form {
    background: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg-dark);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--color-bg-dark);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: var(--color-bg-dark);
    border-top: 1px solid rgba(0, 240, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

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

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

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

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-column a {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

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

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .stability-content,
    .schools-content,
    .demo-content {
        grid-template-columns: 1fr;
    }
    
    .pricing-table {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}