:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --max-width: 1100px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 60px;
}

/* Utilities */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.highlight { color: var(--accent); font-weight: 600; }
.company { color: var(--text-muted); font-style: italic; margin-bottom: 0.5rem; }

/* Navigation */
nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

nav .logo { font-weight: 800; font-size: 1.25rem; letter-spacing: 1px; }

nav ul { 
    display: flex; 
    list-style: none; 
    gap: 1.5rem; 
    align-items: center; 
    flex-wrap: wrap;
}

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

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

/* Secondary Global Links Styling */
.separator { color: #334155; user-select: none; }
.social-link { font-size: 0.9rem; color: var(--accent); opacity: 0.8; }
.social-link:hover { opacity: 1; color: var(--accent-hover); }

/* Buttons */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #000;
    font-weight: 600;
    text-decoration: none;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 1rem;
}

.btn:hover { background: var(--accent-hover); transform: translateY(-2px); }

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.align-center { align-items: center; }

/* The Hero Section Layout */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4rem 0;
    gap: 4rem;
}

.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 0.5rem; }
.hero h2 { font-size: 1.5rem; color: var(--accent); margin-bottom: 1.5rem; }
.hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 500px; }

/* Images */
.hero-image img, .profile-pic {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    object-fit: cover;
}

.rounded { border-radius: 50%; }

/* Cards for Experience and Education */
.card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #334155;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.3); }
.card ul { margin-left: 1.5rem; color: var(--text-muted); }

/* Forms */
form { display: flex; flex-direction: column; gap: 1.25rem; }

input, textarea {
    width: 100%;
    padding: 1rem;
    background: #0f172a;
    border: 1px solid #334155;
    color: var(--text-main);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

input:focus, textarea:focus { outline: none; border-color: var(--accent); }

/* Animation Classes controlled by JS */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero { flex-direction: column-reverse; text-align: center; gap: 2rem; }
    .hero p { margin: 0 auto 1.5rem auto; }
    .cta-buttons { justify-content: center; } 
    nav { flex-direction: column; gap: 1rem; text-align: center; }
    nav ul { justify-content: center; gap: 1rem; }
    .separator { display: none; } /* Hides the divider on mobile for a cleaner stack */
}