/* ============================================
   Sh3rl0ck Landing Page Styles
   Victorian Mystery Theme
   ============================================ */

:root {
    /* Colors */
    --color-bg: #0A0A0A;
    --color-bg-secondary: #111111;
    --color-bg-card: #1A1A1A;
    --color-gold: #D4AF37;
    --color-gold-light: #E5C76B;
    --color-gold-dark: #B8962E;
    --color-text: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    --color-border: rgba(212, 175, 55, 0.2);
    --color-success: #4CAF50;
    --color-error: #f44336;
    
    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Crimson Text', serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-fog: 1;
    --z-content: 10;
    --z-nav: 100;
    --z-modal: 1000;
}

/* ============================================
   Reset & Base
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-gold-light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
}

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

/* ============================================
   Video Background
   ============================================ */

.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.video-background video {
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.9) 100%
    );
}

/* ============================================
   Fog Effect
   ============================================ */

.fog-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-fog);
    overflow: hidden;
}

.fog {
    position: absolute;
    width: 200%;
    height: 100%;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.005" numOctaves="3" stitchTiles="stitch"/><feColorMatrix type="saturate" values="0"/></filter><rect width="100%" height="100%" filter="url(%23noise)" opacity="0.4"/></svg>');
    opacity: 0.15;
}

.fog-1 {
    animation: fog-drift 60s linear infinite;
}

.fog-2 {
    animation: fog-drift 80s linear infinite reverse;
    animation-delay: -20s;
}

@keyframes fog-drift {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================
   Container
   ============================================ */

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--spacing-md) 0;
    transition: background var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-gold);
}

.logo-icon {
    font-size: 1.8rem;
}

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

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    transition: color var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: var(--spacing-lg);
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: var(--z-nav);
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) 0;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: #000;
    border-color: var(--color-gold);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
    color: #000;
}

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

.btn-secondary:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-gold-light);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-nav {
    padding: 0.5rem 1rem;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

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

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    z-index: var(--z-content);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 1rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--spacing-lg);
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--color-gold);
    font-style: italic;
}

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

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

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

.stat {
    text-align: center;
}

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

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Section Common Styles
   ============================================ */

section {
    position: relative;
    padding: var(--spacing-2xl) 0;
    z-index: var(--z-content);
}

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

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   Features Section
   ============================================ */

.features {
    background: linear-gradient(180deg, transparent 0%, rgba(26, 26, 26, 0.8) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.feature-main {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .feature-main {
        grid-column: span 1;
    }
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
}

.feature-list {
    margin-top: var(--spacing-md);
    list-style: none;
}

.feature-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    background: var(--color-bg-secondary);
}

.steps {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--color-text-secondary);
}

/* Demo Preview */
.demo-preview {
    max-width: 800px;
    margin: 0 auto;
}

.demo-window {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.demo-titlebar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.demo-dot:nth-child(1) { background: #ff5f57; }
.demo-dot:nth-child(2) { background: #febc2e; }
.demo-dot:nth-child(3) { background: #28c840; }

.demo-title {
    margin-left: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-gold);
}

.demo-content {
    padding: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
}

.demo-message {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.demo-narrator {
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--color-gold);
}

.demo-narrator p {
    color: var(--color-text-secondary);
    font-style: italic;
}

.demo-player {
    background: rgba(255, 255, 255, 0.05);
    margin-left: var(--spacing-xl);
}

.demo-player p {
    color: var(--color-text);
}

.demo-clue {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(76, 175, 80, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-success);
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.pricing-featured {
    border-color: var(--color-gold);
    transform: scale(1.05);
}

.pricing-featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-gold);
    color: #000;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-gold);
}

.price-period {
    color: var(--color-text-muted);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.check-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: var(--color-success);
    stroke-width: 2;
    fill: none;
}

.pricing-trial {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.8) 0%, transparent 100%);
}

.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-card blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.testimonial-card blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-gold);
    display: block;
    line-height: 0.5;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    color: var(--color-text-muted);
}

/* ============================================
   Final CTA Section
   ============================================ */

.final-cta {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

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

.footer-links h4 {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

@media (max-width: 480px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: #000;
}

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

/* ============================================
   Utilities
   ============================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}