:root {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --accent-color: #3b82f6; /* Electric Blue */
    --card-bg: #171717;
    --card-hover: #262626;
    --border: #333;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }
body { background: var(--bg-color); color: var(--text-color); font-family: var(--font-main); line-height: 1.6; }

/* Typography */
h1, h2, h3 { color: #fff; font-weight: 700; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
.highlight { color: var(--accent-color); }
.section { padding: 80px 20px; }
.container { max-width: 1100px; margin: 0 auto; }
.section-title { font-size: 2rem; margin-bottom: 40px; border-left: 4px solid var(--accent-color); padding-left: 15px; }

/* Navbar */
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 50px; position: fixed; width: 100%; top: 0; background: rgba(10, 10, 10, 0.9); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid var(--border); }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--accent-color); }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a:hover { color: var(--accent-color); }
.btn-contact { border: 1px solid var(--accent-color); padding: 8px 20px; border-radius: 5px; color: var(--accent-color) !important; }
.btn-contact:hover { background: var(--accent-color); color: #fff !important; }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

/* Hero Section */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 0 20px; }
.greeting { font-size: 1.2rem; margin-bottom: 10px; color: #aaa; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.subtitle { font-size: 1.2rem; color: #888; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 20px; justify-content: center; margin-bottom: 30px; }
.btn { padding: 12px 30px; border-radius: 8px; font-weight: 600; }
.btn.primary { background: var(--accent-color); color: #fff; }
.btn.secondary { border: 1px solid #555; color: #ccc; }
.btn:hover { transform: translateY(-3px); }
.socials { display: flex; gap: 20px; justify-content: center; font-size: 1.5rem; }
.socials a:hover { color: var(--accent-color); }

/* Experience (Timeline) */
.timeline { position: relative; border-left: 2px solid var(--border); margin-left: 20px; }
.timeline-item { margin-bottom: 40px; padding-left: 30px; position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -6px; top: 5px; width: 10px; height: 10px; background: var(--accent-color); border-radius: 50%; }
.role { font-size: 1.3rem; color: #fff; }
.company { color: var(--accent-color); font-weight: 600; font-size: 0.95rem; }
.date { font-size: 0.85rem; color: #666; margin-bottom: 10px; display: block; }
.timeline-item ul { padding-left: 20px; color: #bbb; font-size: 0.95rem; }

/* Projects (Bento Grid) */
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.project-card { background: var(--card-bg); border: 1px solid var(--border); padding: 25px; border-radius: 12px; transition: 0.3s; display: flex; flex-direction: column; }
.project-card:hover { transform: translateY(-5px); border-color: var(--accent-color); background: var(--card-hover); }
.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.folder-icon { font-size: 2rem; color: var(--accent-color); }
.project-links a { margin-left: 10px; color: #888; font-size: 1.2rem; }
.project-links a:hover { color: #fff; }
.project-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.project-card p { font-size: 0.9rem; color: #aaa; margin-bottom: 20px; flex-grow: 1; }
.tech-stack { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.8rem; color: var(--accent-color); font-family: monospace; }

/* Skills */
.skills-wrapper { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.skill-category h3 { font-size: 1.1rem; margin-bottom: 15px; color: #fff; border-bottom: 1px solid var(--border); padding-bottom: 5px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-tag { background: #222; padding: 5px 12px; border-radius: 20px; font-size: 0.85rem; color: #ccc; border: 1px solid #333; }

/* Footer */
footer { text-align: center; padding: 60px 20px; background: #050505; border-top: 1px solid var(--border); }
footer h2 { margin-bottom: 10px; }
footer p { color: #777; margin-bottom: 30px; }
.big-btn { font-size: 1.1rem; padding: 15px 40px; }
.copyright { margin-top: 50px; font-size: 0.8rem; color: #444; }

/* Mobile */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
    .hamburger { display: block; }
}

/* ===========================
   Stats Cards Styling
   =========================== */

.stats-box {
    display: flex;               /* Makes items horizontal */
    gap: 20px;                   /* Space between cards */
    justify-content: center;     /* Centers them */
    margin-top: 40px;
    flex-wrap: wrap;             /* Allows wrapping on smaller screens */
}

.stat {
    background: var(--card-bg);  /* Dark card background */
    padding: 30px 20px;
    border-radius: 16px;         /* Rounded corners */
    border: 1px solid var(--border);
    text-align: center;
    flex: 1;                     /* Makes all cards equal width */
    min-width: 200px;            /* Minimum width for readability */
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* Hover Effect */
.stat:hover {
    transform: translateY(-8px); /* Moves up slightly */
    border-color: var(--accent-color); /* Blue border on hover */
    background: var(--card-hover);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.15); /* Soft glow */
}

/* Number Styling (e.g., 95%) */
.stat h3 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 10px;
    line-height: 1;
}

/* Text Styling (e.g., Model Accuracy) */
.stat p {
    font-size: 1rem;
    color: #ccc;
    font-weight: 500;
    line-height: 1.4;
}

/* Mobile Responsiveness: Stack cards vertically on phones */
@media (max-width: 768px) {
    .stats-box {
        flex-direction: column;
    }
}