:root {
    --color-bg: #FCFCFC;
    --color-text-primary: #1A2530; /* Darker variant of #2C3E50 for better contrast */
    --color-text-secondary: #5C6E80;
    --color-primary: #2C3E50;
    --color-accent: #007AFF; /* Fresh blue */
    --color-accent-hover: #005BB5;
    --color-card-bg: rgba(255, 255, 255, 0.6);
    --color-card-border: rgba(44, 62, 80, 0.08);
    
    --font-main: 'Inter', sans-serif;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    --border-radius: 16px;
    --border-radius-sm: 8px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background animated shapes */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,122,255,0.15) 0%, rgba(0,122,255,0) 70%);
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(44,62,80,0.1) 0%, rgba(44,62,80,0) 70%);
    bottom: 100px;
    left: -200px;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-50px, 50px) scale(1.1); }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* Header */
header {
    padding: var(--spacing-lg) 0;
}

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

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.lang-switch {
    display: flex;
    gap: var(--spacing-md);
}

.lang-switch a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.lang-switch a:hover {
    color: var(--color-primary);
}

.lang-switch a.active {
    color: var(--color-primary);
}

.lang-switch a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

/* Main */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

/* Hero */
.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #4A6583 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background: var(--color-card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    border-color: rgba(44, 62, 80, 0.15);
}

.service-card .icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 122, 255, 0.08);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.service-card .icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* CTA */
.cta {
    text-align: center;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.cta h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.cta-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 30px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1rem;
    gap: 8px;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Footer */
footer {
    border-top: 1px solid var(--color-card-border);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-info p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.footer-info strong {
    color: var(--color-primary);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition-fast);
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-in .service-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-in.visible .service-card {
    opacity: 1;
    transform: translateY(0);
}

.stagger-in.visible .service-card:nth-child(1) { transition-delay: 0.1s; }
.stagger-in.visible .service-card:nth-child(2) { transition-delay: 0.2s; }
.stagger-in.visible .service-card:nth-child(3) { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 600px) {
    .cta-links {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}