/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties - Clean Modern Design System */
:root {
    /* Colors - Clean Modern Fintech Palette */
    --color-primary: #0F172A;
    --color-primary-light: #1E293B;
    --color-primary-lighter: #334155;
    --color-accent: #6366F1;
    --color-accent-light: #818CF8;
    --color-accent-glow: rgba(99, 102, 241, 0.4);
    --color-surface: #FFFFFF;
    --color-surface-dim: #F8FAFC;
    --color-surface-glass: rgba(255, 255, 255, 0.8);
    --color-text-primary: #0F172A;
    --color-text-secondary: #64748B;
    --color-text-inverse: #FFFFFF;
    --color-border: #E2E8F0;
    --color-success: #10B981;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #0F172A 100%);
    --gradient-accent: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
                     radial-gradient(at 80% 80%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);

    /* Spacing scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border radius scale */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Animation timing */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--color-text-primary);
    overflow-x: hidden;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header - Glassmorphism Style */
.header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
    padding: var(--space-md) 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    color: var(--color-text-inverse);
}

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

.language-switcher {
    display: flex;
    gap: var(--space-sm);
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background var(--transition-fast),
                border-color var(--transition-fast),
                color var(--transition-fast),
                transform var(--transition-fast);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-inverse);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: var(--color-text-inverse);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    position: relative;
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal) var(--ease-out-expo);
}

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

/* Hero Section - Modern with Animated Background */
.hero {
    position: relative;
    background: var(--gradient-hero);
    color: var(--color-text-inverse);
    min-height: 40vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
}

.hero h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
    line-height: 1.6;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--gradient-accent);
    color: var(--color-text-inverse);
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal) var(--ease-out-expo),
                box-shadow var(--transition-normal) ease;
}

/* Shine effect */
.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4),
                0 0 60px rgba(99, 102, 241, 0.2);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--color-surface-dim);
}

.about h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.2rem;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.stat-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: transform var(--transition-normal) var(--ease-out-expo),
                box-shadow var(--transition-normal) ease,
                border-color var(--transition-normal) ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.stat-item p {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    margin: 0;
}

.stat-item a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.stat-item a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--color-surface);
}

.services h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.service-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform var(--transition-normal) var(--ease-out-expo),
                box-shadow var(--transition-normal) ease,
                border-color var(--transition-normal) ease;
}

.service-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Card glow overlay for mouse tracking */
.card-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    transition: background var(--transition-fast);
}

/* Gradient reveal effect */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
    z-index: 0;
}

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

/* Service icon container */
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    transition: transform var(--transition-normal) var(--ease-spring);
    position: relative;
    z-index: 2;
}

.service-card:hover .service-icon {
    transform: scale(1.1) translateY(-5px);
}

.service-card h3 {
    position: relative;
    z-index: 2;
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.service-card p {
    position: relative;
    z-index: 2;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Partners Section */
.partners {
    padding: 100px 0;
    background: var(--color-surface-dim);
}

.partners h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.partners-content {
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
}

.partners-logos-container {
    overflow: hidden;
    white-space: nowrap;
    max-width: 100%;
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-xl) 0;
}

.partners-logos {
    display: inline-flex;
    align-items: center;
    animation: scroll-logos 30s linear infinite;
    gap: 4rem;
}

.partners-logos a {
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
}

.partner-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Debtors Section */
.debtors {
    padding: 100px 0;
    background: var(--color-surface-dim);
}

.debtors h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.debtors-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.debtors-content p {
    font-size: 1.2rem;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.debtors-links {
    margin: var(--space-3xl) 0;
}

.debtor-region h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

/* Debtors section - handle long URLs in stat items */
.debtors .stat-item h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.debtors .stat-item p {
    font-size: 0.875rem;
    word-break: break-word;
    overflow-wrap: break-word;
}

.debtors .stat-item a {
    font-size: 0.875rem;
    word-break: break-word;
    overflow-wrap: anywhere;
    display: inline-block;
    max-width: 100%;
    line-height: 1.4;
}

.debtors-support {
    margin-top: var(--space-3xl);
    padding: var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.debtors-support p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.debtors-support a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
}

.debtors-support a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--color-surface);
}

.contact h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal) var(--ease-out-expo),
                box-shadow var(--transition-normal) ease;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal) var(--ease-out-expo);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-item:hover::before {
    transform: scaleX(1);
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

.bank-address {
    margin-top: var(--space-md);
    font-size: 0.5em;
    line-height: 1.4;
}

.bank-address p {
    margin: 0.2rem 0;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--space-xl) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    margin: 0;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: var(--space-sm) 0;
    }

    .header .container {
        flex-direction: column;
        gap: var(--space-md);
    }

    .nav {
        flex-direction: column;
        gap: var(--space-md);
    }

    .nav-menu {
        gap: var(--space-md);
    }

    /* Hide canvas animation on mobile for performance */
    .hero-background {
        display: none;
    }

    .hero {
        padding: 180px 0 80px;
        min-height: auto;
    }

    .about, .services, .partners, .debtors, .contact {
        padding: 60px 0;
    }

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

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

    .contact-info {
        grid-template-columns: 1fr;
    }

    /* Disable 3D tilt on touch devices */
    .service-card {
        transform: none !important;
    }

    /* Reduce animation complexity on mobile */
    .animate-on-scroll {
        --animation-delay: 0ms;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 200px 0 80px;
    }

    .service-icon {
        width: 64px;
        height: 64px;
        font-size: 1.5rem;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-background {
        display: none;
    }

    html {
        scroll-behavior: auto;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Staggered scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) var(--ease-out-expo),
                transform var(--transition-slow) var(--ease-out-expo);
    transition-delay: var(--animation-delay, 0ms);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Partners logo carousel animation */
@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}