/* Main Styles for Karthik S Sathyan Portfolio
   Featuring sleek black background with white text, inspired by chriskalafatis.com */

:root {
    --background-color: rgb(0, 0, 0);
    --text-primary: rgb(255, 255, 255);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent-color: rgb(0, 191, 255);
    --hover-color: rgb(0, 140, 255);
    --dark-overlay: rgba(0, 0, 0, 0.8);
    --transition-speed: 0.3s;
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Space Grotesk', sans-serif;
    --border-radius: 50px;
}

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

html, body {
    background-color: var(--background-color);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.5;
    overflow-x: hidden;
    height: 100%;
    scroll-behavior: smooth;
}

/* Hide scrollbar but keep functionality */
body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

body {
    cursor: none; /* Hide the default cursor for custom cursor */
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    margin-left: -10px;
    margin-top: -10px;
    transition: width 0.1s ease, height 0.1s ease, opacity 0.2s ease;
    top: 0;
    left: 0;
}

.cursor-follower {
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    margin-left: -4px; margin-top: -4px;
    transition: transform 0.3s ease, opacity 0.2s ease;
    top: 0;
    left: 0;
}

.cursor-hover, .cursor-follower.cursor-hover {
    transform: scale(1.5);
    opacity: 0.5;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

h1 {
    font-size: 4rem;
    letter-spacing: -1px;
    font-weight: 400;
    line-height: 1;
}

h2 {
    font-size: 2.5rem;
    font-weight: 400;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
    max-width: 65ch;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--accent-color);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-accent {
    color: var(--accent-color);
}

/* Layout */
.content-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 2rem;
    transition: background-color 0.3s ease;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.logo svg {
    margin-right: 0.5rem;
    width: 30px;
    height: 30px;
}

nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    font-size: 14px;
    font-weight: 500;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    color: var(--text-primary);
}

/* Removed underline effect */
nav ul li a:hover {
    color: var(--accent-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.header-cta {
    margin-left: 2rem;
}

.available-btn {
    display: inline-block;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.available-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Hero Section - Inspired by screenshots */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0 2rem;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.pre-title {
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    opacity: 0.8;
    display: inline-block;
}

.hero-name {
    font-size: 5rem;
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -1px;
    margin-bottom: 2rem;
    text-align: center;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.hero-description p {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 1px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: 0;
}

.hero-3d-element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.7;
    animation: pulse 2s infinite;
    cursor: pointer;
}

.scroll-arrow {
    font-size: 20px;
    animation: bounce 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 0.8; }
    100% { opacity: 0.4; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Styling */
.section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-subtitle {
    display: block;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 400;
    line-height: 1.1;
    text-transform: uppercase;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Portfolio/Projects Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease;
    height: 100%;
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.portfolio-item h3 {
    margin-bottom: 0.5rem;
}

.portfolio-item .company {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: block;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.portfolio-tag {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Projects Page Specific Styles */
.projects-section {
    min-height: 100vh;
    padding: 7rem 0;
}

.project-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 4rem 0;
}

.category-circle {
    width: 120px;
    height: 120px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-circle:hover {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.category-circle span {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.project-card {
    padding: 2rem;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.project-card h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.project-description {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.project-features {
    margin: 1.5rem 0;
}

.project-features ul {
    list-style: none;
    margin-top: 0.5rem;
}

.project-features ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-features ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.project-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-color);
}

.project-link svg {
    width: 20px;
    height: 20px;
}

/* About Section */
.about-section {
    min-height: 100vh;
    padding: 7rem 0;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-description {
    margin-bottom: 4rem;
}

.about-description p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.about-approach {
    margin-top: 2rem;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.skills-section, 
.achievements-section, 
.platforms-section {
    margin-top: 4rem;
}

.certifications-section h2,
.skills-section h2, 
.achievements-section h2, 
.platforms-section h2 {
    margin-bottom: 2rem;
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

.certifications-section h2::after,
.skills-section h2::after, 
.achievements-section h2::after, 
.platforms-section h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.skill-list {
    list-style: none;
}

.skill-item {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.skill-item::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.achievements-list {
    list-style: none;
}

.achievement-item {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.achievement-item::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.platform-links {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
}

.platform-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.platform-link:hover {
    border-color: var(--accent-color);
    background-color: rgba(0, 191, 255, 0.1);
}

/* Contact Section */
.contact-section {
    min-height: 100vh;
    padding: 7rem 0;
}

.contact-info-text {
    text-align: center;
}

.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content {
    text-align: center;
}

.contact-btn-wrapper {
    display: flex;
    justify-content: center;
    margin: 3rem 0;
}

.contact-btn {
    width: 150px;
    height: 150px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background-color: transparent;
}

.contact-btn:hover {
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.contact-btn span {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.social-links-section {
    margin: 4rem 0;
}

.social-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s ease;
}

.social-link i {
    margin-bottom: 0.5rem;
    font-size: 24px;
}

.social-link span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-item h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--text-primary);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    z-index: -1;
    transition: width var(--transition-speed) ease;
}

.btn:hover {
    color: var(--background-color);
    border-color: var(--accent-color);
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--background-color);
    margin-right: 1rem;
}

.btn-primary::before {
    background-color: var(--text-primary);
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.footer-links a::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px) scale(1.1);
}

.footer-links a:hover::before {
    transform: scale(1.2);
}

.footer-links a:hover svg {
    stroke-width: 2.5;
}
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px) scale(1.1);
}

.footer-links a:hover::before {
    transform: scale(1.2);
}

.footer-links a:hover svg {
    stroke-width: 2.5;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.appear,
.about-section .fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Fullpage Scroll Styles */
.section-wrapper {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.section {
    min-height: 100vh;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Animation classes for the fullpage scroll */
.slide-up {
    opacity: 0;
    transform: translateY(40px);
}

.slide-left {
    opacity: 0;
    transform: translateX(40px);
}

.slide-right {
    opacity: 0;
    transform: translateX(-40px);
}

/* Navigation dots styling */
.fullpage-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot:hover,
.nav-dot.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

/* Three.js Canvas */
#three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.5;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    h1, .hero-name {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    h1, .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-description p {
        font-size: 14px;
    }
    
    .header-cta {
        display: none;
    }
    
    .category-circle {
        width: 100px;
        height: 100px;
    }
    
    .category-circle span {
        font-size: 11px;
    }
    
    .contact-details {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    h1, .hero-name {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--dark-overlay);
        backdrop-filter: blur(10px);
        transition: right 0.3s ease;
        padding: 6rem 2rem 2rem;
        z-index: 99;
    }
    
    nav.open {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav ul li {
        margin: 1.5rem 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: relative;
        z-index: 101;
    }
    
    .portfolio-grid, 
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-categories {
        gap: 1rem;
    }
    
    .category-circle {
        width: 90px;
        height: 90px;
    }
    
    .category-circle span {
        font-size: 10px;
    }
    
    .social-links {
        flex-wrap: wrap;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    h1, .hero-name {
        font-size: 2.3rem;
    }
    
    .pre-title {
        font-size: 14px;
    }
    
    .hero-description p {
        font-size: 12px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .project-categories {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }
    
    .category-circle {
        width: 100%;
        height: 0;
        padding-bottom: 100%;
        position: relative;
    }
    
    .category-circle span {
        position: absolute;
        top: 50%;
        left: 50%;
        margin-left: -4px; margin-top: -4px;
        font-size: 9px;
    }
    
    .contact-btn {
        width: 120px;
        height: 120px;
    }
    
    .contact-btn span {
        font-size: 12px;
    }
}

/* Fullpage Scroll Styles */
.section-wrapper {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.section {
    min-height: 100vh;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Animation classes for the fullpage scroll */
.slide-up {
    opacity: 0;
    transform: translateY(40px);
}

.slide-left {
    opacity: 0;
    transform: translateX(40px);
}

.slide-right {
    opacity: 0;
    transform: translateX(-40px);
}

/* Navigation dots styling */
.fullpage-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot:hover,
.nav-dot.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

/* Certifications Section */
.certifications-section {
    margin: 4rem 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.certification-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform var(--transition-speed) ease,
                background-color var(--transition-speed) ease;
}

.certification-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.certification-item a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
    transition: color var(--transition-speed) ease;
}

.certification-item a:hover {
    color: var(--accent-color);
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-item h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--text-primary);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    z-index: -1;
    transition: width var(--transition-speed) ease;
}

.btn:hover {
    color: var(--background-color);
    border-color: var(--accent-color);
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--background-color);
    margin-right: 1rem;
}

.btn-primary::before {
    background-color: var(--text-primary);
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.footer-links a::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px) scale(1.1);
}

.footer-links a:hover::before {
    transform: scale(1.2);
}

.footer-links a:hover svg {
    stroke-width: 2.5;
}
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px) scale(1.1);
}

.footer-links a:hover::before {
    transform: scale(1.2);
}

.footer-links a:hover svg {
    stroke-width: 2.5;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.appear,
.about-section .fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Fullpage Scroll Styles */
.section-wrapper {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.section {
    min-height: 100vh;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Animation classes for the fullpage scroll */
.slide-up {
    opacity: 0;
    transform: translateY(40px);
}

.slide-left {
    opacity: 0;
    transform: translateX(40px);
}

.slide-right {
    opacity: 0;
    transform: translateX(-40px);
}

/* Navigation dots styling */
.fullpage-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot:hover,
.nav-dot.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}