/* =========================================
   1. CORE VARIABLES & RESETS
   ========================================= */
:root {
    --bg-color: #121212;
    --text-color: #ffffff;
    --accent-color: #00ff00; /* Cyber Green */
    --nav-bg: rgba(18, 18, 18, 0.7);
}

.light-mode {
    --bg-color: #f4f4f4;
    --text-color: #121212;
    --accent-color: #00aa00;
    --nav-bg: rgba(244, 244, 244, 0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    cursor: none; /* Hides default cursor for the custom green dot */
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* =========================================
   2. GLOBAL COMPONENTS & ANIMATIONS
   ========================================= */

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Global Buttons */
.btn {
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s ease;
}

.primary-btn {
    background-color: var(--accent-color);
    color: #121212;
}

.secondary-btn {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    margin-left: 15px;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 255, 0, 0.4);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.9rem;
    align-self: flex-start;
    margin-left: 0;
}

/* =========================================
   3. NAVIGATION & FOOTER
   ========================================= */

/* Glassmorphism Header */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Reactive Theme Toggle Icon */
#theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.4rem;
    cursor: none;
    transition: color 0.3s ease;
    margin-left: 20px;
}

#theme-toggle:hover {
    color: var(--accent-color);
}

/* Footer */
footer { 
    text-align: center; 
    padding: 40px; 
    background: rgba(0,0,0,0.2); 
    margin-top: 50px;
}

/* Round Social Media Icon Buttons */
.social-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%; 
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
    font-size: 1.5rem;
    margin: 0 10px 20px 10px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background-color: var(--accent-color);
    color: #121212;
    border-color: var(--accent-color);
    transform: translateY(-5px); 
    box-shadow: 0 5px 15px rgba(0, 255, 0, 0.4); 
}

/* =========================================
   4. PAGE LAYOUTS (Inner Pages)
   ========================================= */

.page-section {
    padding: 150px 10% 80px 10%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.content-container {
    max-width: 900px;
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--text-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    display: inline-block;
}

.sub-heading {
    font-size: 1.8rem;
    margin: 40px 0 20px 0;
    color: var(--text-color);
}

/* =========================================
   5. HOME PAGE STYLING
   ========================================= */

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100vh;
    padding: 0 10%;
}

.hero h1 { font-size: 3rem; margin-bottom: 10px; }
.hero h2 { font-size: 1.5rem; color: var(--accent-color); margin-bottom: 20px; }
.hero p { font-size: 1rem; margin-bottom: 30px; line-height: 1.6; max-width: 600px; }

.hero-image img {
    max-width: 400px;
    height: auto;
    object-fit: contain;
}

/* =========================================
   6. ABOUT PAGE STYLING
   ========================================= */

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--text-color);
    opacity: 0.9;
}

.action-row {
    margin-top: 40px;
}

/* =========================================
   7. EXPERTISE PAGE STYLING
   ========================================= */

/* Skills Pill Tags */
.skills-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 50px;
}

.skill-tag {
    padding: 8px 16px;
    border: 1px solid var(--accent-color);
    border-radius: 50px;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--accent-color);
    color: #121212;
    transform: translateY(-3px);
}

/* Technical Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.tool-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tool-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.tool-icon {
    max-height: 55px;  
    max-width: 55px;
    object-fit: contain;
    margin-bottom: 15px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.tool-card h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.card-hover-text {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(5px);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-size: 0.95rem;
    text-align: center;
    transition: bottom 0.4s ease;
}

.tool-card:hover .card-hover-text {
    bottom: 0;
}

/* =========================================
   8. PROJECTS PAGE STYLING
   ========================================= */

.projects-container {
    max-width: 1100px;
}

/* Base Card Styling */
.project-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 25px rgba(0, 255, 0, 0.15);
    transform: translateY(-5px);
}

.project-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-info h2 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.project-meta {
    font-size: 0.9rem;
    color: #aaaaaa;
    margin-bottom: 15px;
}

.project-meta i {
    color: var(--accent-color);
    margin-right: 5px;
}

/* Tech Stack Tags */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-stack span {
    background: rgba(0, 255, 0, 0.1);
    color: var(--accent-color);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Bullet Points */
.project-bullets {
    list-style-type: none;
    margin-bottom: 25px;
    flex-grow: 1;
}

.project-bullets li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
    color: rgba(255, 255, 255, 0.85);
}

.project-bullets li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Featured Project Layout */
.featured-project {
    flex-direction: row;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.03);
}

.project-image-container {
    flex: 1;
    min-height: 300px;
    background-color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-img {
    opacity: 1;
}

.featured-project .project-info {
    flex: 1.2;
}

/* Standard Projects Grid */
.standard-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* =========================================
   9. CONTACT PAGE STYLING
   ========================================= */

.contact-container {
    text-align: center;
    max-width: 800px;
}

.contact-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 50px;
    color: rgba(255, 255, 255, 0.85);
}

.direct-contact-info {
    margin-bottom: 60px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    display: inline-block;
}

.direct-contact-info p {
    font-size: 1.4rem;
    font-weight: 500;
    margin: 15px 0;
    color: var(--text-color);
}

.contact-quick-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.huge-social-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
    font-size: 2.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.huge-social-btn:hover {
    background-color: var(--accent-color);
    color: #121212;
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 255, 0, 0.4);
}

/* =========================================
   10. MOBILE RESPONSIVENESS (MEDIA QUERIES)
   ========================================= */
@media screen and (max-width: 768px) {
    /* Global Nav & Cursor */
    .navbar {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .nav-links a {
        margin: 0 5px;
        font-size: 0.9rem;
    }
    #theme-toggle {
        margin-left: 0;
        margin-top: 5px;
    }
    .cursor { display: none !important; }
    * { cursor: auto; }

    /* Home Page Hero */
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        height: auto;
        padding: 140px 5% 50px 5%;
    }
    .hero-content { order: 2; }
    .hero-image { order: 1; margin-bottom: 30px; }
    .hero h1 { font-size: 2.2rem; }
    .hero h2 { font-size: 1.2rem; }
    .hero p { font-size: 0.95rem; margin: 0 auto 30px auto; }
    .hero-image img { max-width: 250px; }
    .btn { display: block; width: 100%; margin: 10px 0; }
    .secondary-btn { margin-left: 0; }

    /* Page Titles & Layout */
    .page-section {
        padding: 150px 5% 50px 5%;
    }
    .section-title {
        font-size: 2rem;
    }

    /* Projects Page */
    .featured-project {
        flex-direction: column;
    }
    .project-image-container {
        min-height: 200px;
    }
    .standard-projects-grid {
        grid-template-columns: 1fr;
    }

    /* Contact Page */
    .direct-contact-info {
        width: 100%;
        padding: 20px 10px;
    }
    .direct-contact-info p {
        font-size: 1.1rem;
    }
    .contact-quick-links {
        gap: 15px;
    }
    .huge-social-btn {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
}