/**
 * BCT Trading Universe - Enterprise Design System
 * ================================================
 * Unified design language matching the Trading Universe App
 * Professional, clean, no animations/gradients
 *
 * Last updated: 2026-01-29
 */

/* ==================== CSS Variables (from App Design System) ==================== */
:root {
    /* Primary Colors */
    --bct-bg-primary: #0F172A;
    --bct-bg-secondary: #1E293B;
    --bct-bg-tertiary: #16213E;

    /* Accent Colors */
    --bct-accent-primary: #0EA5E9;
    --bct-accent-secondary: #0284C7;
    --bct-accent-glow: rgba(14, 165, 233, 0.2);

    /* Text Colors */
    --bct-text-primary: #F8FAFC;
    --bct-text-secondary: #94A3B8;
    --bct-text-muted: #64748B;

    /* Border Colors */
    --bct-border: #334155;
    --bct-border-light: rgba(51, 65, 85, 0.5);

    /* Status Colors */
    --bct-positive: #22C55E;
    --bct-negative: #EF4444;
    --bct-warning: #F59E0B;
    --bct-info: #3B82F6;

    /* Module Accent Colors (for feature cards) */
    --module-watchlist: #00D4FF;
    --module-charts: #10B981;
    --module-depot: #F59E0B;
    --module-bilanz: #22C55E;
    --module-reporting: #3B82F6;
    --module-scanner: #8B5CF6;
    --module-signals: #EC4899;
    --module-backtest: #F97316;
    --module-alarm: #EF4444;
    --module-deep-learning: #06B6D4;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Typography */
    --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

/* ==================== Base Styles ==================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bct-bg-primary);
    color: var(--bct-text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--bct-text-primary);
    margin: 0 0 var(--space-md) 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--bct-text-secondary);
    margin: 0 0 var(--space-md) 0;
}

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

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

/* ==================== Slogan ==================== */
.slogan {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bct-accent-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==================== Links ==================== */
a {
    color: var(--bct-accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--bct-accent-secondary);
}

/* ==================== Buttons (Enterprise - Solid Colors) ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--bct-accent-primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background: var(--bct-accent-secondary);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bct-bg-secondary);
    color: var(--bct-text-primary);
    border: 1px solid var(--bct-border);
}

.btn-secondary:hover {
    background: var(--bct-bg-tertiary);
    border-color: var(--bct-text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--bct-accent-primary);
    border: 2px solid var(--bct-accent-primary);
}

.btn-outline:hover {
    background: var(--bct-accent-primary);
    color: #FFFFFF;
}

.btn-success {
    background: var(--bct-positive);
    color: #FFFFFF;
}

.btn-success:hover {
    background: #16A34A;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* ==================== Cards (Enterprise - Clean) ==================== */
.card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: border-color 0.2s ease;
}

.card:hover {
    border-color: var(--bct-text-muted);
}

.card-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bct-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--bct-text-primary);
    margin-bottom: var(--space-sm);
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bct-text-primary);
}

/* Module-colored cards */
.card-module {
    border-left: 4px solid var(--module-color, var(--bct-accent-primary));
}

.card-module.watchlist { --module-color: var(--module-watchlist); }
.card-module.charts { --module-color: var(--module-charts); }
.card-module.depot { --module-color: var(--module-depot); }
.card-module.scanner { --module-color: var(--module-scanner); }
.card-module.signals { --module-color: var(--module-signals); }
.card-module.backtest { --module-color: var(--module-backtest); }
.card-module.alarm { --module-color: var(--module-alarm); }

/* ==================== Feature Cards ==================== */
.feature-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--module-color, var(--bct-accent-primary));
    transform: translateY(-2px);
}

.feature-card .icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    color: var(--module-color, var(--bct-accent-primary));
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    margin: 0;
}

/* ==================== Pricing Cards ==================== */
.pricing-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.2s ease;
}

.pricing-card.featured {
    border-color: var(--bct-accent-primary);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Empfohlen';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bct-accent-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: var(--radius-sm);
}

.pricing-card .plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--bct-text-primary);
    margin-bottom: var(--space-sm);
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bct-text-primary);
}

.pricing-card .price-period {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
}

.pricing-card .features {
    list-style: none;
    padding: 0;
    margin: var(--space-lg) 0;
    text-align: left;
}

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

.pricing-card .features li::before {
    content: '';
    width: 16px;
    height: 16px;
    background: var(--bct-positive);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
    flex-shrink: 0;
}

/* ==================== Trust Section ==================== */
.trust-section {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

.trust-item .check {
    width: 24px;
    height: 24px;
    color: var(--bct-positive);
    flex-shrink: 0;
}

.trust-item span {
    color: var(--bct-text-secondary);
}

/* ==================== Header ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bct-border);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.header-logo img {
    height: 32px;
    width: auto;
}

.header-logo span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--bct-text-primary);
}

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

.header-nav a {
    color: var(--bct-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.header-nav a:hover {
    color: var(--bct-text-primary);
}

/* ==================== Hero Section ==================== */
.hero {
    padding: 160px var(--space-lg) 80px;
    text-align: center;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-slogan {
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--bct-text-primary);
}

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

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-image {
    margin-top: var(--space-xxl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--bct-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ==================== Section Layouts ==================== */
.section {
    padding: var(--space-xxl) var(--space-lg);
    max-width: 1280px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--bct-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== Grid Layouts ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

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

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

/* ==================== Footer ==================== */
.footer {
    background: var(--bct-bg-secondary);
    border-top: 1px solid var(--bct-border);
    padding: var(--space-xxl) var(--space-lg);
    margin-top: var(--space-xxl);
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-company {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--bct-border);
}

.footer-company h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.footer-company p {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bct-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--bct-text-muted);
    margin: 0;
}

/* ==================== Form Elements ==================== */
.input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    background: var(--bct-bg-primary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-md);
    color: var(--bct-text-primary);
    transition: all 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: var(--bct-accent-primary);
    box-shadow: 0 0 0 3px var(--bct-accent-glow);
}

.input::placeholder {
    color: var(--bct-text-muted);
}

.label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bct-text-secondary);
    margin-bottom: var(--space-xs);
}

/* ==================== Scrollbar (Premium) ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bct-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bct-border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bct-accent-primary);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bct-border) var(--bct-bg-primary);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ==================== Utility Classes ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ==================== Container ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ==================== Navigation (Extended) ==================== */
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-svg {
    height: 48px;
    width: auto;
}

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

.nav-link {
    color: var(--bct-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--bct-text-secondary);
    cursor: pointer;
}

.mobile-menu {
    padding: var(--space-lg);
    background: var(--bct-bg-secondary);
    border-top: 1px solid var(--bct-border);
}

.mobile-link {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--bct-text-secondary);
    font-size: 1rem;
}

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

.mobile-divider {
    height: 1px;
    background: var(--bct-border);
    margin: var(--space-md) 0;
}

.mobile-cta {
    margin-top: var(--space-md);
    width: 100%;
}

/* ==================== Hero Section (Extended) ==================== */
.hero {
    padding: 140px var(--space-lg) 80px;
    max-width: 1280px;
    margin: 0 auto;
}

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

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--bct-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

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

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--bct-text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--bct-text-muted);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ==================== Hero Dashboard Preview ==================== */
.hero-visual {
    position: relative;
}

.dashboard-preview {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.window-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--bct-border);
}

.window-controls {
    display: flex;
    gap: 6px;
}

.window-controls .control {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.window-controls .control.red { background: #EF4444; }
.window-controls .control.yellow { background: #F59E0B; }
.window-controls .control.green { background: #22C55E; }

.window-title {
    font-size: 0.75rem;
    color: var(--bct-text-muted);
    margin-left: var(--space-md);
}

.dashboard-content {
    display: flex;
}

.dashboard-sidebar {
    width: 180px;
    background: var(--bct-bg-primary);
    border-right: 1px solid var(--bct-border);
    padding: var(--space-md) 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--bct-text-muted);
    font-size: 0.8125rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.sidebar-item:hover {
    color: var(--bct-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-item.active {
    color: var(--bct-accent-primary);
    background: rgba(14, 165, 233, 0.1);
    border-left: 2px solid var(--bct-accent-primary);
}

.sidebar-item svg {
    flex-shrink: 0;
}

.dashboard-main {
    flex: 1;
    padding: var(--space-md);
    min-width: 280px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.preview-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
}

.preview-card.card-blue {
    border-left: 3px solid var(--bct-accent-primary);
}

.preview-card.card-green {
    border-left: 3px solid var(--bct-positive);
}

.card-label {
    font-size: 0.6875rem;
    color: var(--bct-text-muted);
    margin-bottom: 2px;
}

.card-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--bct-text-primary);
}

.card-change {
    font-size: 0.6875rem;
    font-weight: 600;
}

.card-change.positive {
    color: var(--bct-positive);
}

.card-change.negative {
    color: var(--bct-negative);
}

.preview-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 100px;
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
}

.chart-bar {
    flex: 1;
    background: var(--bct-accent-primary);
    border-radius: 2px 2px 0 0;
    opacity: 0.6;
}

.chart-bar.highlight {
    background: var(--bct-positive);
    opacity: 1;
}

/* ==================== Trust Section ==================== */
.trust-section {
    background: var(--bct-bg-secondary);
    border-top: 1px solid var(--bct-border);
    border-bottom: 1px solid var(--bct-border);
    padding: var(--space-lg) 0;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--bct-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==================== Section Styles ==================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--bct-accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--bct-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== Features Section ==================== */
.features-section {
    padding: var(--space-xxl) 0;
}

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

.feature-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: left;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--bct-text-muted);
    transform: translateY(-2px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--bct-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ==================== Modules Section ==================== */
.modules-section {
    padding: var(--space-xxl) 0;
    background: var(--bct-bg-secondary);
}

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

.module-card {
    background: var(--bct-bg-primary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.module-card:hover {
    border-color: var(--module-color, var(--bct-accent-primary));
}

.module-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    color: var(--module-color, var(--bct-accent-primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.module-card p {
    font-size: 0.8125rem;
    color: var(--bct-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* ==================== Pricing Section ==================== */
.pricing-section {
    padding: var(--space-xxl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    align-items: start;
}

.pricing-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--bct-accent-primary);
    transform: scale(1.02);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bct-accent-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: var(--radius-sm);
}

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

.plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-sm);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bct-text-primary);
}

.price-currency {
    font-size: 1rem;
    color: var(--bct-text-muted);
}

.price-period {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
}

.plan-desc {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    margin: 0;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-lg) 0;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--bct-text-secondary);
    font-size: 0.9375rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* ==================== CTA Section ==================== */
.cta-section {
    padding: var(--space-xxl) 0;
    background: var(--bct-bg-secondary);
    border-top: 1px solid var(--bct-border);
}

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

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--bct-text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== Footer (Extended) ==================== */
.footer {
    background: var(--bct-bg-primary);
    border-top: 1px solid var(--bct-border);
    padding: var(--space-xxl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--bct-accent-primary);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-md);
    color: var(--bct-text-muted);
    transition: all 0.2s ease;
}

.social-link:hover {
    color: var(--bct-accent-primary);
    border-color: var(--bct-accent-primary);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bct-text-primary);
    margin-bottom: var(--space-md);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: var(--bct-text-muted);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

.footer-contact address {
    font-style: normal;
}

.footer-contact p {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    margin: 0 0 var(--space-xs) 0;
}

.footer-contact a {
    color: var(--bct-accent-primary);
}

.legal-info {
    font-size: 0.75rem !important;
    color: var(--bct-text-muted) !important;
    margin-top: var(--space-md) !important;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bct-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--bct-text-muted);
    margin: 0;
}

/* ==================== Responsive (Extended) ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
        text-align: center;
        margin-bottom: var(--space-lg);
    }

    .footer-social {
        justify-content: center;
    }
}

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

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .modules-grid {
        grid-template-columns: 1fr 1fr;
    }

    .trust-badges {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* ==================== API Status Indicator ==================== */
.api-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    cursor: default;
    font-size: 0.75rem;
    font-weight: 500;
}

.api-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bct-text-muted);
    transition: background 0.3s ease;
}

.api-dot.online {
    background: var(--bct-positive);
    box-shadow: 0 0 8px var(--bct-positive);
}

.api-dot.offline {
    background: var(--bct-negative);
    box-shadow: 0 0 8px var(--bct-negative);
}

.api-text {
    color: var(--bct-text-muted);
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

/* ==================== Nav Icon Link (Company Portal) ==================== */
.nav-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    color: var(--bct-text-muted);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-icon-link:hover {
    color: var(--bct-accent-primary);
    background: rgba(14, 165, 233, 0.1);
}

/* ==================== Nav Separator ==================== */
.nav-separator {
    width: 1px;
    height: 24px;
    background: var(--bct-border);
    margin: 0 var(--space-sm);
}

/* ==================== Mobile Menu (Extended) ==================== */
.mobile-menu {
    display: none;
    padding: var(--space-lg);
    background: var(--bct-bg-secondary);
    border-top: 1px solid var(--bct-border);
}

.mobile-menu.open {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--bct-text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--bct-text-primary);
}

.mobile-api-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--bct-text-muted);
    font-size: 0.875rem;
}

.mobile-nav-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.mobile-nav-cta .btn {
    width: 100%;
    justify-content: center;
}

/* ==================== Mobile Menu Button State ==================== */
.mobile-menu-btn.active svg line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active svg line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active svg line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== Nav Link Active State ==================== */
.nav-link.active {
    color: var(--bct-accent-primary);
}

/* ==================== About Page Styles ==================== */
.about-hero {
    padding: 140px var(--space-lg) 60px;
    text-align: center;
}

.about-hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about-hero p {
    font-size: 1.125rem;
    color: var(--bct-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.about-section {
    padding: var(--space-xxl) var(--space-lg);
}

.about-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.skill-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: all 0.2s ease;
}

.skill-card:hover {
    border-color: var(--bct-accent-primary);
    transform: translateY(-2px);
}

.skill-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.skill-icon.cyan { background: rgba(14, 165, 233, 0.15); color: var(--bct-accent-primary); }
.skill-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
.skill-icon.pink { background: rgba(236, 72, 153, 0.15); color: #EC4899; }
.skill-icon.amber { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.skill-icon.green { background: rgba(34, 197, 94, 0.15); color: #22C55E; }
.skill-icon.violet { background: rgba(139, 92, 246, 0.15); color: #A855F7; }

.skill-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.skill-card p {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ==================== Promotions Page Styles ==================== */
.promo-hero {
    padding: 140px var(--space-lg) 40px;
    text-align: center;
}

.promo-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(236, 72, 153, 0.15);
    color: #EC4899;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.wurlitzer-section {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xxl);
    margin: var(--space-xl) 0;
}

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

.promo-slot {
    text-align: center;
}

.slot-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--bct-text-muted);
    margin-bottom: var(--space-md);
}

.promo-card {
    background: var(--bct-bg-primary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: transform 0.3s ease;
}

.promo-card.previous {
    opacity: 0.6;
    transform: scale(0.95);
}

.promo-card.current {
    background: linear-gradient(135deg, #EC4899 0%, #8B5CF6 100%);
    border: none;
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(236, 72, 153, 0.25);
}

.promo-card.next {
    border-style: dashed;
    border-color: var(--bct-border);
}

.promo-status {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.promo-status.ended {
    background: rgba(255, 255, 255, 0.1);
    color: var(--bct-text-muted);
}

.promo-status.live {
    background: var(--bct-positive);
    color: #FFFFFF;
}

.countdown-timer {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.timer-block {
    background: rgba(0, 0, 0, 0.25);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    min-width: 56px;
    text-align: center;
}

.timer-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.timer-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    opacity: 0.75;
    margin-top: 2px;
}

.promo-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.promo-subtitle {
    font-size: 0.9375rem;
    opacity: 0.85;
    margin-bottom: var(--space-sm);
}

.promo-discount {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.promo-cta {
    margin-top: var(--space-lg);
    background: #FFFFFF;
    color: #8B5CF6;
    padding: 12px 32px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.promo-cta:hover {
    transform: scale(1.05);
    color: #8B5CF6;
}

.mystery-icon {
    font-size: 4rem;
    font-weight: 800;
    color: var(--bct-text-muted);
    opacity: 0.3;
    margin-bottom: var(--space-md);
}

.teaser-text {
    font-style: italic;
    color: var(--bct-accent-primary);
}

/* News Grid for Promotions */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.news-card {
    background: var(--bct-bg-secondary);
    border: 1px solid var(--bct-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.2s ease;
}

.news-card:hover {
    border-color: var(--bct-accent-primary);
    transform: translateY(-2px);
}

.news-card.featured {
    border-color: #EC4899;
}

.news-image {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, var(--bct-bg-secondary), var(--bct-bg-primary));
    object-fit: cover;
}

.news-content {
    padding: var(--space-lg);
}

.news-category {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.news-category.update { background: rgba(14, 165, 233, 0.15); color: var(--bct-accent-primary); }
.news-category.promo { background: rgba(236, 72, 153, 0.15); color: #EC4899; }
.news-category.announcement { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
.news-category.tip { background: rgba(34, 197, 94, 0.15); color: #22C55E; }

.news-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.news-excerpt {
    font-size: 0.875rem;
    color: var(--bct-text-muted);
    line-height: 1.6;
    margin: 0;
}

.news-date {
    font-size: 0.75rem;
    color: var(--bct-text-muted);
    margin-top: var(--space-md);
}

/* Responsive Wurlitzer */
@media (max-width: 1024px) {
    .wurlitzer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .promo-card.current {
        transform: none;
    }

    .promo-card.previous,
    .promo-card.next {
        transform: none;
    }
}