/* Color Variables for Light & Dark Mode */
:root {
    --bg-color: #f9f7f1;
    --bg-alt: #f9f7f1;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px rgba(0,0,0,0.05), 0 10px 15px rgba(0,0,0,0.03);
    --border-radius: 12px; /* Slightly sharper corners for modern look */
    --transition: all 0.3s ease;
}

body.dark-mode {
    --bg-color: #0f172a;
    --bg-alt: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
    --card-bg: #1e293b; /* This gives the dark blue card look from your image */
    --card-shadow: 0 4px 6px rgba(0,0,0,0.3), 0 10px 15px rgba(0,0,0,0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }

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

h1, h2, h3 { color: var(--text-main); }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; }
.section-title span { color: var(--primary-color); }

/* Navigation */
nav { position: fixed; top: 0; width: 100%; background-color: var(--card-bg); box-shadow: 0 2px 10px rgba(0,0,0,0.1); z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 1rem 2rem; }
.logo { font-weight: 700; font-size: 1.5rem; }
.logo span { color: var(--primary-color); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 600; transition: var(--transition); }
.nav-links a:hover { color: var(--primary-color); }
.theme-btn { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--text-main); }

/* --- FULL PAGE BACKGROUND FIX --- */
#particle-canvas { 
    position: fixed; /* Keeps dots on screen when scrolling */
    top: 0; 
    left: 0; 
    width: 100vw; 
    height: 100vh; 
    z-index: -1;  /* Pushes dots BEHIND everything else */
    pointer-events: none; /* Makes sure they don't block your clicks */
}

/* Hero Section */
#hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 2rem; }
.name { font-size: 4rem; font-weight: 700; margin: 0.5rem 0; }
.typing-text { font-size: 1.8rem; color: var(--primary-color); height: 40px; margin-bottom: 1rem;}
.cursor { animation: blink 1s infinite; }
@keyframes blink { 0%, 100% {opacity: 1;} 50% {opacity: 0;} }
.summary { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 2rem; }

/* Buttons */
.btn { padding: 10px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: var(--transition); display: inline-block; cursor: pointer; border: 2px solid transparent; }
.primary-btn { background-color: var(--primary-color); color: #fff; }
.primary-btn:hover { background-color: var(--primary-hover); transform: translateY(-2px); }
.secondary-btn { border-color: var(--primary-color); color: var(--primary-color); }
.secondary-btn:hover { background-color: var(--primary-color); color: #fff; transform: translateY(-2px); }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; }

/* Layout & Cards */
.section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
/* Made backgrounds transparent so particles show through */
.bg-alt { background-color: transparent; max-width: 100%; padding-left: 10%; padding-right: 10%;}
.card { background-color: var(--card-bg); padding: 2rem; border-radius: var(--border-radius); box-shadow: var(--card-shadow); transition: var(--transition); }
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 25px rgba(0,0,0,0.1); }

/* --- NEW About Section --- */
.about-container { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 4rem; 
    flex-wrap: wrap; /* Allows it to stack on mobile */
}
.about-image img { 
    width: 100%; 
    max-width: 320px; 
    border-radius: var(--border-radius); 
    box-shadow: var(--card-shadow); 
    object-fit: cover;
    border: 4px solid var(--card-bg);
}
.about-text { 
    max-width: 600px; 
}
.about-text h3 { 
    font-size: 1.5rem; 
    color: var(--primary-color); 
    margin-bottom: 1rem; 
}
.about-text p { 
    color: var(--text-muted); 
    margin-bottom: 0.8rem; 
    font-size: 1.05rem;
}

/* Skills Grid */
.skill-category { margin-bottom: 3rem; }
.category-title { font-size: 1.3rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem; font-weight: 600;}
.skill-cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.mini-skill-card {
    background-color: var(--card-bg);
    padding: 2rem 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}
.mini-skill-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.15); border-bottom: 3px solid var(--primary-color); }
.mini-skill-card i { 
    font-size: 2.5rem; 
    color: var(--primary-color); 
    background: rgba(59, 130, 246, 0.1); /* Soft transparent blue background */
    height: 70px; 
    width: 70px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border-radius: 50%; 
    border: 1px solid rgba(59, 130, 246, 0.3); /* Subtle blue border */
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

/* Bonus: Makes the icon turn solid blue when you hover over the card! */
.mini-skill-card:hover i {
    background: var(--primary-color);
    color: #ffffff;
    transform: scale(1.1); /* Slight pop effect */
}
.mini-skill-card span { font-weight: 600; font-size: 1.1rem; }

/* Projects Grid */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.project-card { cursor: pointer; text-align: center;}
.project-icon { 
    background: rgba(59, 130, 246, 0.1); /* Soft transparent blue */
    height: 60px; 
    width: 60px; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.5rem; 
    color: var(--primary-color); 
    margin: 0 auto 1rem auto; 
    border: 1px solid rgba(59, 130, 246, 0.3); /* Subtle blue border */
}
.project-card h3 { margin-bottom: 0.5rem; }
.project-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.learn-more { color: var(--primary-color); font-weight: 600; font-size: 0.9rem; }

/* Contact Section */
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 2rem; }
.contact-info h3 { margin-bottom: 1.5rem; color: var(--primary-color); }
.contact-info p { margin-bottom: 1rem; color: var(--text-muted); display: flex; align-items: center; gap: 10px; font-size: 1.1rem;}
.contact-info p i { color: var(--primary-color); font-size: 1.2rem; width: 20px;}
.form-group { margin-bottom: 1.5rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--text-main); }
.form-control { width: 100%; padding: 12px; border: 1px solid var(--text-muted); border-radius: 8px; background: var(--bg-color); color: var(--text-main); font-family: inherit; transition: border 0.3s; }
.form-control:focus { outline: none; border-color: var(--primary-color); }
.btn-submit { width: 100%; margin-top: 1rem; }

/* --- Footer --- */
/* Made background transparent so particles show, added border on top */
footer { text-align: center; padding: 3rem 2rem; background-color: transparent; border-top: 1px solid var(--text-muted); }
footer p { color: var(--text-muted); margin-bottom: 1.5rem; }
footer .social-links { display: flex; justify-content: center; gap: 1.5rem; }
footer .social-links a { color: var(--text-muted); font-size: 1.5rem; transition: var(--transition); background: var(--card-bg); height: 45px; width: 45px; display: flex; align-items: center; justify-content: center; border-radius: 50%; box-shadow: var(--card-shadow);}
footer .social-links a:hover { color: var(--primary-color); transform: translateY(-3px); }

/* Modal */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); backdrop-filter: blur(5px); justify-content: center; align-items: center; }
.modal-content { max-width: 600px; width: 90%; position: relative; animation: modalFadeIn 0.3s ease; }
.close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); }
.modal-buttons { display: flex; gap: 1rem; margin-top: 2rem; }
@keyframes modalFadeIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile Responsive */
/* --- MOBILE RESPONSIVE LAYOUT FIXES --- */
@media (max-width: 768px) {
    /* 1. Fix Navigation (Stacks nicely instead of disappearing) */
    .nav-container { 
        flex-direction: column; 
        padding: 1rem; 
        gap: 1rem; 
    }
    .nav-links { 
        display: flex; 
        flex-wrap: wrap; 
        justify-content: center; 
        gap: 1rem; 
    }
    .nav-links a { 
        font-size: 0.9rem; 
    }
    .theme-btn { 
        position: absolute; 
        top: 1rem; 
        right: 1.5rem; 
    }

    /* 2. Fix Hero Section Text & Buttons */
    .name { font-size: 2.2rem; margin-top: 1rem; }
    .typing-text { font-size: 1.2rem; height: auto; min-height: 40px; }
    .summary { font-size: 0.95rem; padding: 0 0.5rem; }
    .hero-buttons { 
        flex-direction: column; 
        width: 100%; 
        max-width: 300px; 
        margin: 0 auto; 
    }
    .btn { text-align: center; }

    /* 3. Fix Section Padding (Removes the squished sides) */
    .section { padding: 4rem 1.5rem; }
    .bg-alt { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

    /* 4. Fix About Section */
    .about-container { flex-direction: column; text-align: center; gap: 2rem; }
    .about-image img { max-width: 250px; }

    /* 5. Fix Grids (Forces cards to stack perfectly on small screens) */
    .skill-cards-grid { 
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); 
        gap: 1rem; 
    }
    .mini-skill-card { padding: 1.5rem 0.5rem; }
    .projects-grid { grid-template-columns: 1fr; } 

    /* 6. Fix Contact & Footer */
    .contact-container { grid-template-columns: 1fr; gap: 2rem; }
    footer { padding: 2rem 1rem; }
}

/* Fix for extremely small phones (like iPhone SE) */
@media (max-width: 400px) {
    .skill-cards-grid { grid-template-columns: 1fr; }
}