:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --accent: #06b6d4;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-left {
    display: flex;
    align-items: center;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.language-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.language-selector a {
    padding: 0.25rem 0.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s;
}

.language-selector a.active {
    background: var(--primary);
    color: white;
}

.language-selector a:not(.active) {
    color: var(--secondary);
}

.language-selector a:not(.active):hover {
    color: var(--primary);
    background: var(--light);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.hero {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-align: left;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    text-align: left;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.05);
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
}

.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid var(--border);
    transition: transform 0.3s;
}

.skill-card:hover {
    transform: translateY(-5px);
}

.skill-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    background: var(--light);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border-left: 4px solid var(--primary);
    text-align: center;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card h3 {
    font-size: 1.1rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    word-wrap: break-word;
    hyphens: auto;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    word-wrap: break-word;
    hyphens: auto;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about {
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact {
    background: var(--dark);
    color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
}

.contact-info h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--accent);
}

footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #374151;
}

.location-badge {
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    display: inline-block;
    margin-bottom: 1rem;
}

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

    .nav-right {
        gap: 1rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .hero-text p {
        text-align: center;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1rem;
    }

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

    .service-card {
        min-height: auto;
        padding: 1.5rem;
    }

    .service-card h3 {
        font-size: 1rem;
    }

    .service-card p {
        font-size: 0.9rem;
    }
}

.highlight {
    background: linear-gradient(120deg, var(--accent) 0%, var(--accent) 100%);
    background-repeat: no-repeat;
    background-size: 100% 0.2em;
    background-position: 0 88%;
    transition: background-size 0.25s ease-in;
}