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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3436;
    background-color: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: rgba(44, 62, 80, 0.98);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: #3498db;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #3498db;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #bdc3c7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background: #34495e;
    color: white;
}

.btn-secondary:hover {
    background: #2c3e50;
    transform: translateY(-2px);
}

/* Features */
.features {
    padding: 100px 0;
    background: #fdfdfd;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid #f1f2f6;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: #3498db;
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.feature-card p {
    color: #7f8c8d;
    font-size: 1rem;
}

/* Tech Stack Section */
.tech-stack {
    padding: 100px 0;
    background: #fff;
    border-top: 1px solid #f1f2f6;
}

.tech-stack h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.2rem;
}

.tech-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    list-style: none;
}

.tech-list li {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    text-align: center;
    border-bottom: 3px solid #3498db;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #2c3e50;
    color: white;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact p {
    color: #bdc3c7;
    margin-bottom: 3rem;
}

/* Footer */
footer {
    background: #1a252f;
    color: #7f8c8d;
    text-align: center;
    padding: 3rem 0;
    font-size: 0.9rem;
}

/* Language Switcher Styles (New) */
.lang-switcher {
    display: flex;
    gap: 8px;
    margin-left: 1rem;
}

.lang-link {
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 0.75rem !important;
    text-transform: uppercase;
}

.lang-link.active {
    background: #3498db;
    border-color: #3498db;
    color: white !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .nav-links { display: none; } /* Опростяване за мобилни */
    .features-grid { grid-template-columns: 1fr; }
}