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

:root {
    --text-color: #333;
    --bg-color: #f0f0f0;
    --card-bg: #fff;
    --heading-color: #222;
    --accent-primary: #000000;
    --accent-secondary: #444444;
    --nav-bg: rgba(40, 44, 52, 0.65);
    --nav-text: #fff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --button-bg: #444;
    --toggle-inactive: #ccc;
    --toggle-active: #000000;
    --toggle-ball: #fff;
    --skill-check: #000000;
    --transition-speed: 0.3s;
}

.dark-mode {
    --text-color: #e0e0e0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --heading-color: #f0f0f0;
    --accent-primary: #ffffff;
    --accent-secondary: #aaaaaa;
    --nav-bg: rgba(25, 26, 31, 0.65);
    --nav-text: #f0f0f0;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --button-bg: #2c2c2c;
    --toggle-inactive: #555;
    --toggle-active: #ffffff;
    --toggle-ball: #f0f0f0;
    --skill-check: #ffffff;
}

body {
    font-family: 'Poppins', 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    padding-bottom: 100px; /* Space for the bottom nav */
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    position: relative;
}

body.shake {
    overflow: hidden;
}

.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Typography */
h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--heading-color);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Landing Page */
.landing-header {
    text-align: center;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease-in-out;
    overflow: hidden; /* Prevent scrolling within the header */
}

/* Prevent scrolling when on the splash page */
body.landing-active {
    overflow: hidden;
}

/* Make sure the content doesn't cause scrolling on splash page */
#home.active-section {
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

/* Top Navigation */
.top-nav {
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
}

.top-nav ul {
    display: flex;
    list-style: none;
    background-color: var(--nav-bg);
    border-radius: 30px;
    padding: 0.5rem 1.5rem;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.top-nav ul li {
    margin: 0 1rem;
}

.top-nav ul li a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.top-nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.top-nav ul li a.active {
    background-color: var(--accent-primary);
}

.portfolio-title {
    font-size: 5rem;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
}

.dark-mode .portfolio-title {
    color: var(--heading-color);
}

.portfolio-subtitle {
    font-size: 2rem;
    color: var(--text-color);
    opacity: 0.7;
    font-weight: 400;
    margin-bottom: 3rem;
}

.start-btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    background: linear-gradient(45deg, #000000, #444444);
    border: none;
    border-radius: 30px;
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.start-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

/* Scroll to top button */
.scroll-top-btn {
    position: fixed;
    bottom: 70px; /* Position it just above the navbar */
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    cursor: pointer;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: transform 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
    opacity: 1;
}

.scroll-top-btn:hover {
    transform: translateX(-50%) translateY(-5px);
}

.scroll-top-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

.dark-mode .scroll-top-btn {
    background-color: var(--accent-primary);
    color: var(--bg-color);
}

/* Scroll to top button */
.scroll-top-btn {
    position: fixed;
    bottom: 70px; /* Position it just above the navbar */
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    cursor: pointer;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: all var(--transition-speed) ease;
    opacity: 1;
}

.scroll-top-btn:hover {
    transform: translateX(-50%) translateY(-5px);
}

.landing-active .scroll-top-btn {
    opacity: 0;
    transform: translateX(-50%) translateY(30px);
    pointer-events: none;
}

.dark-mode .scroll-top-btn {
    background-color: var(--accent-primary);
    color: var(--bg-color);
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(40, 44, 52, 0.65); /* More transparent */
    border-radius: 30px;
    padding: 0.8rem 2rem;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    width: auto;
    max-width: 80%;
    backdrop-filter: blur(10px); /* Increased blur for glass effect */
    transition: background-color var(--transition-speed) ease, opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
    opacity: 1;
    border: 1px solid rgba(255, 255, 255, 0.1); /* Subtle border */
}

/* Control visibility of elements when home page is active */
.landing-active .bottom-nav {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.bottom-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem; /* Increase spacing between items */
    flex-wrap: wrap; /* Allow items to wrap to next line */
}

.bottom-nav a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all var(--transition-speed) ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    position: relative;
}

.bottom-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #000000, #555555);
    transition: all var(--transition-speed) ease;
    transform: translateX(-50%);
    border-radius: 3px;
}

.bottom-nav a:hover::after,
.bottom-nav a.active::after {
    width: 70%;
}

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

/* Mobile responsiveness for navigation */
@media (max-width: 768px) {
    .bottom-nav {
        width: 90%;
        max-width: 90%;
        padding: 0.8rem 1rem;
        border-radius: 20px;
        bottom: 15px;
    }
    
    .bottom-nav ul {
        gap: 0.8rem;
        justify-content: center;
    }
    
    .bottom-nav a {
        font-size: 0.9rem;
        padding: 0.4rem 0.7rem;
    }
    
    .theme-toggle {
        margin-left: 0;
        margin-top: 0.5rem;
    }
    
    /* Adjust scroll button position to work with two-row nav */
    .scroll-top-btn {
        bottom: 110px;
    }
    
    /* Add more padding to bottom of body for two-row nav */
    body {
        padding-bottom: 130px;
    }
}

/* Even smaller screens */
@media (max-width: 480px) {
    .bottom-nav ul {
        gap: 0.5rem;
    }
    
    .bottom-nav a {
        font-size: 0.85rem;
        padding: 0.3rem 0.6rem;
    }
}

/* Portfolio title and subtitle responsive sizing */
@media (max-width: 768px) {
    .portfolio-title {
        font-size: 3.5rem; /* Reduced from 5rem */
    }
    
    .portfolio-subtitle {
        font-size: 1.5rem; /* Reduced from 2rem */
    }
}

@media (max-width: 480px) {
    .portfolio-title {
        font-size: 2.5rem; /* Even smaller for very small screens */
    }
    
    .portfolio-subtitle {
        font-size: 1.2rem;
    }
}

/* Sections */
section {
    padding: 3rem 0;
    min-height: 100vh;
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

section.active-section {
    display: block;
}

#home.active-section {
    padding: 0;
}

/* Interactive Element */
.interactive-element {
    margin: 2rem auto;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.game-controller {
    width: 200px;
    height: 150px;
    position: relative;
    transform-style: preserve-3d;
    animation: float 3s infinite ease-in-out;
}

.controller-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #333, #222);
    border-radius: 50px;
    position: absolute;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    transition: background var(--transition-speed) ease;
}

.dark-mode .controller-body {
    background: linear-gradient(135deg, #444, #333);
}

.controller-button {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--button-bg);
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.5);
    transition: background var(--transition-speed) ease;
}

.controller-button.left {
    top: 50%;
    left: 30px;
    transform: translateY(-50%);
}

.controller-button.right {
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease, 
                background-color var(--transition-speed) ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.project-image {
    height: 200px;
    background-color: #ddd;
    background-image: linear-gradient(45deg, #000000, #666666);
    transition: background-image var(--transition-speed) ease;
}

.project-card h3, .project-card p {
    padding: 0 1.5rem;
}

.project-card h3 {
    margin-top: 1.5rem;
}

.project-details-btn {
    margin: 1.5rem;
    padding: 0.7rem 1.5rem;
    background: linear-gradient(45deg, #000000, #444444);
    border: none;
    border-radius: 30px;
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
}

.project-details-btn:hover {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0.9;
    transform: scale(1.05);
}

/* Resume button styling */
.resume-btn {
    display: inline-block;
    margin-left: 10px;
    padding: 7px 12px;
    background-color: var(--accent-primary);
    color: var(--bg-color); /* Use background color as text color for proper contrast */
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s, transform 0.2s, color 0.3s;
}

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

.resume-btn:active {
    transform: translateY(0);
}

/* Download Resume button styling */
.download-resume-btn {
    display: inline-block;
    margin-left: 5px;
    padding: 7px 12px;
    background-color: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s, transform 0.2s, color 0.3s;
}

.download-resume-btn:hover {
    background-color: var(--accent-primary);
    color: var(--bg-color);
    transform: translateY(-2px);
}

.download-resume-btn:active {
    transform: translateY(0);
}

/* In light mode, text should be black for better contrast on white button */
.dark-mode .resume-btn {
    color: var(--bg-color); /* In dark mode, text will be dark (black/near black) */
}

/* Resume buttons container styling */
.resume-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.skill-category h3 {
    margin-bottom: 1.2rem;
    color: var(--accent-primary);
    transition: color var(--transition-speed) ease;
}

.skill-category ul {
    list-style-position: inside;
}

.skill-category li {
    margin-bottom: 0.7rem;
    position: relative;
    padding-left: 1.5rem;
    list-style-type: none;
}

.skill-category li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--skill-check);
    font-weight: bold;
    transition: color var(--transition-speed) ease;
}

/* About Section */
.about-panel {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease,
                background-color var(--transition-speed) ease;
    margin-bottom: 2rem;
}

.about-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

/* Media query for mobile devices */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-image {
        order: -1; /* Move image above text on mobile */
        height: 250px; /* Slightly smaller height on mobile */
        margin: 0 auto 1.5rem;
        max-width: 250px;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-details {
        text-align: left;
        max-width: 400px;
        margin: 1.5rem auto;
    }
    
    .social-links {
        justify-content: center;
    }
}

.about-image {
    height: 300px;
    background-color: #ddd;
    border-radius: 15px;
    background-image: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    transition: background-image var(--transition-speed) ease;
}

.social-links {
    display: flex;
    gap: 1rem; /* Reduced from 2rem to make social links closer */
    margin-top: 2rem;
}

.social-icon {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed);
}

.social-icon:hover {
    color: var(--accent-primary);
}

.social-logo img {
    width: 40px; /* Fixed size for social icons */
    height: 40px;
    object-fit: contain;
}

/* About Section Enhancements */
.profile-picture {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

.about-details {
    margin: 1.5rem 0;
}

.detail-icon {
    margin-right: 0.5rem;
    color: var(--accent-primary);
}

/* Skills Section Layout */
.skills-wrapper {
    margin-top: 3rem;
}

.skills-main-heading {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--heading-color);
    position: relative;
}

.skills-main-heading:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
}

.skills-panels-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.skills-panel {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease,
                background-color var(--transition-speed) ease;
}

.skills-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.skills-panel h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    text-align: center;
    position: relative;
}

.skills-panel h4:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.skills-panel ul {
    list-style-type: none;
    padding-left: 1rem;
}

.skills-panel ul li {
    margin-bottom: 0.7rem;
    position: relative;
    padding-left: 1.5rem;
}

.skills-panel ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--skill-check);
    font-weight: bold;
}

/* Soft Skills Container */
.soft-skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.soft-skill {
    background-color: var(--accent-primary);
    color: white; /* Default to white text for light mode */
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease;
    box-shadow: 0 3px 10px var(--shadow-color);
}

.dark-mode .soft-skill {
    color: black; /* Black text for dark mode */
}

.soft-skill:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* Skills logos */
.skills-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem; /* Increased from 1rem to create more vertical space */
    justify-content: center;
    margin-top: 1rem;
    padding-bottom: 1.5rem; /* Added padding to give more space at the bottom */
}

.skill-logo-item {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 3px 8px var(--shadow-color);
    padding: 0.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.skill-logo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.skill-logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.skill-logo-item::after {
    content: attr(title);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-logo-item:hover::after {
    opacity: 1;
}

/* Responsive adjustments for skills panels */
@media (max-width: 992px) {
    .skills-panels-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .skills-panels-container {
        grid-template-columns: 1fr;
    }
}

/* Media query adjustments for skills logos on smaller screens */
@media (max-width: 768px) {
    .skills-logos {
        gap: 1rem;
    }
    
    .skill-logo-item {
        width: 60px;
        height: 60px;
        padding: 0.6rem;
    }
}

@media (max-width: 480px) {
    .skills-logos {
        gap: 0.8rem;
    }
    
    .skill-logo-item {
        width: 50px;
        height: 50px;
        padding: 0.5rem;
    }
}

/* Theme Toggle Switch */
.theme-toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    margin-left: 15px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--toggle-inactive);
    transition: var(--transition-speed);
    border-radius: 34px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-speed);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

input:checked + .slider {
    background-color: var(--toggle-active);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.toggle-icons {
    display: flex;
    justify-content: space-between;
    padding: 0 10px;
    align-items: center;
    height: 100%;
    pointer-events: none;
}

.icon-light, .icon-dark {
    color: white;
    font-size: 14px;
    line-height: 30px;
}

.icon-dark {
    margin-right: 5px;
}

.icon-light {
    margin-left: 5px;
}

/* Adding global CSS to control scrolling */
html, body { 
    height: 100%; 
    margin: 0; 
    overflow: auto; /* Changed from hidden to auto to enable scrolling */
}