/* Imports */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

/* Variables */
:root {
    /* Richer Palette */
    --bg-color: #0b101a;
    --bg-gradient: radial-gradient(circle at top right, #1a2a40, #0b101a 60%);
    --card-bg: rgba(25, 35, 50, 0.4);
    --card-border: 1px solid rgba(255, 255, 255, 0.05);
    --text-primary: #e6e6e6;
    --text-secondary: #a0aab8;
    --accent: #5abcb9; /* Muted teal/cyan */
    --accent-glow: rgba(90, 188, 185, 0.2);
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-color);
    background-image: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    position: relative;
    overflow-x: hidden;
}

/* Subtle grain texture overlay */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.2;
}

h1 { font-size: 4.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; font-weight: 400; color: var(--accent); margin-bottom: 2rem; }

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 120px 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 3rem;
    z-index: 1000;
    display: flex;
    justify-content: flex-end; /* Align to right */
    backdrop-filter: blur(5px);
    background: linear-gradient(to bottom, rgba(11,16,26,0.8), transparent);
}

.nav-links a {
    margin-left: 2rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    font-weight: 300;
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    opacity: 1;
    color: var(--accent);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

/* Hero Split Layout */
.split-layout {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image {
    width: 100%;
    max-width: 350px;
    border-radius: 4px; /* Slight rounding, not full circle */
    box-shadow: 20px 20px 60px rgba(0,0,0,0.5), -5px -5px 20px rgba(255,255,255,0.02);
    filter: grayscale(20%) contrast(110%);
    transition: var(--transition);
}

.hero-image:hover {
    filter: grayscale(0%) contrast(100%);
    transform: scale(1.02);
}

/* Decorative frame behind image */
.hero-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(calc(-50% - 20px), -20px);
    width: 100%;
    max-width: 350px;
    height: 100%;
    border: 1px solid var(--accent);
    opacity: 0.3;
    z-index: -1;
    transition: var(--transition);
}

.hero-image-container:hover::before {
    opacity: 0.5;
}


.hero-content {
    flex: 1.2;
    padding-left: 2rem;
}

.subtitle {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}

.bio {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 0; height: 100%;
    background: var(--accent);
    z-index: -1;
    transition: var(--transition);
}

.btn:hover {
    color: #0b101a;
    border-color: var(--accent);
}

.btn:hover::before {
    width: 100%;
}


/* CV Section Styles Re-do */
.cv-section h3 {
    font-size: 1.75rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.cv-item {
    background: var(--card-bg);
    border: var(--card-border);
    padding: 2.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.cv-item:hover {
    background: rgba(30, 45, 65, 0.5);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.cv-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.cv-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    /* font-weight: 700; */
}

.cv-institution {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 300;
}

.cv-details li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    list-style: none; /* Custom bullet */
    padding-left: 1.2rem;
    position: relative;
}

.cv-details li::before {
    content: '•';
    color: var(--accent);
    position: absolute;
    left: 0;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
    margin-top: 4rem;
}

.social-links a {
    font-size: 1.2rem;
    margin: 0 1rem;
    color: var(--text-secondary);
}

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

/* Separator in title */
.separator {
    color: var(--text-secondary);
    font-weight: 300;
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* Mobile */
@media (max-width: 900px) {
    .split-layout {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-content {
        padding-left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-image-container::before {
        display: none; /* Hide decorative frame on mobile */
    }

    h1 { font-size: 3rem; }
    
    .navbar {
        justify-content: center;
    }
}