@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-main: #0a0f18;
    --bg-card: rgba(22, 27, 34, 0.6);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(10, 15, 24, 0.75);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.05), transparent 40%);
    min-height: 100vh;
    background-attachment: fixed;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

/* Language Toggle */
.lang-toggle {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Header */
header {
    text-align: center;
    padding: 8rem 2rem 4rem;
}

h1 {
    color: var(--text-main);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

h1 span {
    color: var(--accent);
}

.contact-info a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
    font-size: 1.1rem;
}

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

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 4rem;
}

h2 {
    color: var(--text-main);
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

h3 {
    color: var(--text-main);
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Cards (Glassmorphism) */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.3);
}

.card a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Project Specifics */
.project-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.project-date {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.project-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent) !important;
    border: 1px solid var(--accent);
    border-radius: 6px;
    text-decoration: none !important;
    font-weight: 600;
    width: fit-content;
    transition: all 0.3s ease !important;
}

.project-link:hover {
    background: var(--accent);
    color: #fff !important;
}

/* Jobs / Timeline */
.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.job-title {
    font-size: 1.3rem;
    font-weight: 700;
}

.job-date {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 600;
}

/* Lists */
ul {
    list-style-type: none;
}

ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.5);
}

.skill-item strong {
    display: block;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Mobile */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    header {
        padding: 10rem 1rem 3rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    .job-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .job-date {
        margin-top: 0.2rem;
    }
}