@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-body);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin: 4rem auto;
    background-color: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Header */
header {
    display: flex;
    align-items: center;
    padding: 4rem 5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-color);
}

.profile-img-container {
    flex-shrink: 0;
    margin-right: 4rem;
    position: relative;
}

.profile-img {
    border-radius: 50%;
    width: 200px;
    height: 200px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    border: 4px solid #ffffff;
    transition: var(--transition-smooth);
}

.profile-img:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}

.header-content {
    flex: 1;
}

.header-content h1 {
    color: var(--primary);
    font-size: 3rem;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent);
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.2px;
}

.bio {
    font-size: 1.1rem;
    color: var(--text-main);
    max-width: 650px;
    font-weight: 300;
}

/* Main Layout */
main {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    padding: 4rem 5rem;
    gap: 5rem;
}

/* Typography & Content Elements */
h2 {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 40px;
    background-color: var(--accent);
    border-radius: 2px;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

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

/* List Items / Project Cards */
ul.project-list {
    list-style: none;
    padding: 0;
    margin-bottom: 3rem;
}

ul.project-list li {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

ul.project-list li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

ul.project-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

ul.project-list li:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

/* Sidebar */
aside {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.sidebar-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 1rem;
}

.sidebar-list a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-body);
    border-radius: 8px;
    color: var(--primary-light);
    font-weight: 500;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.sidebar-list a:hover {
    background: #ffffff;
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
    color: var(--accent);
    transform: translateX(4px);
}

.sidebar-list a svg {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    fill: currentColor;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.sidebar-list a:hover svg {
    opacity: 1;
}

.location {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
}

/* Section specific styling */
.content-section {
    margin-bottom: 4rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        margin: 2rem;
        width: auto;
    }
    main, header {
        padding: 3rem;
    }
}

@media (max-width: 850px) {
    header {
        flex-direction: column;
        text-align: center;
        padding: 3rem 2rem;
    }
    
    .profile-img-container {
        margin: 0 0 2rem 0;
    }
    
    .profile-img {
        width: 160px;
        height: 160px;
    }
    
    .header-content h1 {
        font-size: 2.5rem;
    }
    
    .bio {
        margin: 0 auto;
    }
    
    main {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 3rem;
    }
    
    aside {
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .container {
        margin: 0;
        border-radius: 0;
        box-shadow: none;
    }
}