:root {
    --primary-color: #ffa500; /* Orange primary */
    --secondary-color: #ffcc00; /* Yellow secondary */
    --dark-bg: #121212;
    --darker-bg: #0a0a0a;
    --medium-bg: #1e1e1e;
    --light-text: #f8f9fa;
    --gray-text: #b0b0b0;
    --border-radius: 8px;
    --shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 10px;
}

.language-btn {
    background: none;
    border: none;
    color: var(--gray-text);
    cursor: pointer;
    font-size: 14px;
    padding: 5px;
    transition: color 0.3s;
}

.language-btn.active {
    color: var(--primary-color);
    font-weight: bold;
}

.language-btn:hover {
    color: var(--secondary-color);
}

/* Header & Navigation */
header {
    background-color: var(--darker-bg);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 24px;
    color: var(--primary-color);
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--darker-bg);
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background-color: var(--darker-bg);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.hero p {
    font-size: 20px;
    color: var(--gray-text);
    max-width: 700px;
    margin-bottom: 32px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--darker-bg);
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-title p {
    color: var(--gray-text);
    max-width: 700px;
    margin: 0 auto;
}

/* Skills Section */
.skills {
    background-color: var(--medium-bg);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background-color: var(--dark-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s;
}

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

.skill-header {
    background-color: var(--primary-color);
    color: var(--darker-bg);
    padding: 20px;
    text-align: center;
}

.skill-content {
    padding: 30px 20px;
}

.skill-content ul {
    list-style-position: inside;
    margin-top: 20px;
    color: var(--light-text);
}

.skill-content li {
    margin-bottom: 10px;
}

/* Contact Section */
.contact {
    background-color: var(--dark-bg);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--darker-bg);
    font-size: 20px;
}

.contact-form {
    background-color: var(--medium-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #333;
    border-radius: var(--border-radius);
    font-size: 16px;
    background-color: var(--dark-bg);
    color: var(--light-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background-color: var(--darker-bg);
    color: var(--gray-text);
    text-align: center;
    padding: 30px 0;
}

/* Hidden language elements */
[data-lang] {
    display: none;
}

[data-lang].active {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 5px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
}