:root {
    --bg-color: #0b1120;
    --surface-color: #1e293b;
    --accent-color: #00e5ff;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    position: fixed; top: 0; width: 100%;
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(10px); z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px; max-width: 1000px; margin: 0 auto;
}

.logo { font-size: 1.5rem; font-weight: 800; }
.logo span { color: var(--accent-color); }

.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-weight: 600; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent-color); }

#hero {
    padding-top: 150px; padding-bottom: 80px;
    text-align: center;
    background: radial-gradient(circle at center top, #1e293b 0%, #0b1120 70%);
}

.hero-content h1 { font-size: 3.5rem; margin-bottom: 10px; }
.hero-content h1 span { color: var(--accent-color); }
.hero-content h2 { font-size: 1.5rem; color: var(--text-secondary); margin-bottom: 20px; font-weight: 400; }

.contact-info {
    display: flex; justify-content: center; gap: 20px; margin-bottom: 30px;
    color: var(--text-secondary); font-size: 1rem;
}

.contact-info span i { color: var(--accent-color); margin-right: 5px; }

.btn {
    padding: 10px 20px; border-radius: 5px; text-decoration: none; font-weight: 600;
    display: inline-block; margin: 5px; transition: all 0.3s ease;
}

.btn.secondary { background-color: transparent; border: 1px solid var(--text-secondary); color: var(--text-primary); }
.btn.secondary:hover { border-color: var(--accent-color); color: var(--accent-color); }

section { padding: 80px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }

.section-title { font-size: 2rem; margin-bottom: 40px; text-align: center; color: var(--accent-color); }

/* About / Philosophy */
.about-grid {
    background: var(--surface-color);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Cards Grid (Case Studies) */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--surface-color);
    padding: 40px 30px;
    border-radius: 10px;
    transition: transform 0.3s;
    border: 1px solid rgba(255,255,255,0.05);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.card h3 { margin-bottom: 15px; }

.card p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.tech-stack {
    margin-top: 20px;
    font-weight: 600;
    color: var(--accent-color) !important;
}

/* Resume Items Layout */
.summary-text { font-size: 1.1rem; color: var(--text-secondary); text-align: justify; }


/* Cards Grid (Case Studies) */
.cards-grid {
    display: grid;
    /* Changed from 300px to 380px to make the cards significantly wider */
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px; /* Increased gap between cards */
}

.card {
    background: var(--surface-color);
    /* Increased padding from 40px to 50px to make them taller and more spacious */
    padding: 50px 40px; 
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.05);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    /* Added a subtle glow effect on hover for premium feel */
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.1); 
}

.card-icon {
    font-size: 3rem; /* Increased icon size */
    color: var(--accent-color);
    margin-bottom: 25px;
}

.card h3 { 
    margin-bottom: 15px; 
    font-size: 1.5rem; /* Larger heading */
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1.05rem; /* Slightly larger, more readable text */
    line-height: 1.7;
}

.tech-stack {
    margin-top: 25px;
    font-size: 1rem !important;
    font-weight: 600;
    color: var(--accent-color) !important;
}


.skills-grid { display: grid; gap: 15px; }
.skill-category {
    background: var(--surface-color); padding: 15px 20px; border-radius: 5px;
    font-size: 0.95rem; color: var(--text-secondary);
}


.resume-item { margin-bottom: 40px; }
.resume-header {
    display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px;
}
.resume-header h3 { font-size: 1.3rem; color: var(--text-primary); }
.resume-header h4 { font-size: 1rem; color: var(--accent-color); font-weight: 400; }
.resume-date { font-weight: 600; color: var(--text-secondary); }

.resume-item ul { padding-left: 20px; color: var(--text-secondary); }
.resume-item li { margin-bottom: 10px; }

.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }

/* Footer */
footer {
    text-align: center;
    padding: 80px 20px;
    background: var(--surface-color);
    border-top: 1px solid rgba(255,255,255,0.05);
}

footer h2 {
    margin-bottom: 30px;
}

footer p {
    margin-top: 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .resume-header { flex-direction: column; }
    .split-section { grid-template-columns: 1fr; }
    .contact-info { flex-direction: column; gap: 10px; }
    .hero-content h1 { font-size: 2.5rem; }
}