:root {
    --primary-color: #a855f7;
    --primary-light: #c084fc;
    --primary-dark: #7c3aed;
    --secondary-color: #ec4899;
    --accent-color: #06b6d4;
    --bg-primary: #0f0a1a;
    --bg-secondary: #1a1025;
    --bg-card: rgba(26, 16, 37, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --gradient-primary: linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #06b6d4 100%);
    --gradient-bg: linear-gradient(135deg, #0f0a1a 0%, #1a1025 50%, #0f172a 100%);
    --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

[data-theme="light"] {
    --bg-primary: #faf5ff;
    --bg-secondary: #f3e8ff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --text-primary: #1a1025;
    --text-secondary: #4a4a5a;
    --text-muted: #6b6b7a;
    --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background var(--transition-normal), color var(--transition-normal);
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

#cursorCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(15, 10, 26, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

[data-theme="light"] .navbar {
    background: rgba(250, 245, 255, 0.9);
}

.nav-logo .logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--primary-color);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    transform: rotate(180deg);
    box-shadow: var(--shadow-glow);
}

.theme-toggle i {
    position: absolute;
    font-size: 1.2rem;
    transition: all var(--transition-normal);
}

.theme-toggle .fa-moon {
    color: var(--primary-color);
    opacity: 1;
    transform: translateY(0);
}

.theme-toggle .fa-sun {
    color: #fbbf24;
    opacity: 0;
    transform: translateY(20px);
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: translateY(-20px);
}

[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease 0.1s both;
    text-shadow: 0 0 60px rgba(168, 85, 247, 0.5);
}

.hero-title-wrapper {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease 0.2s both;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.hero-title-static {
    color: var(--text-primary);
}

.hero-title-dynamic {
    color: var(--primary-color);
    min-width: 200px;
    text-align: left;
}

.typing-cursor {
    color: var(--secondary-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease 0.4s both;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.hero-socials {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.3rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: -0.5rem;
    animation: fadeInUp 0.6s ease 0.6s both;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

.scroll-indicator p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

section {
    padding: 6rem 0;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.title-decoration {
    color: var(--primary-color);
    font-weight: 400;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 20px;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    position: relative;
    z-index: 1;
    background: var(--bg-card);

    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-photo {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.placeholder-avatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    opacity: 0.2;
}

.placeholder-avatar i {
    font-size: 6rem;
    color: var(--primary-color);
}

.image-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--secondary-color);
    border-radius: 20px;
    z-index: 0;
}

.about-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.about-info {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid rgba(168, 85, 247, 0.2);
    transition: all var(--transition-normal);
}

.info-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
}

.skills {
    background: var(--bg-secondary);
}

.skills-categories {
    display: grid;
    gap: 3rem;
}

.skill-category h3 {
    font-size: 1.3rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid rgba(168, 85, 247, 0.2);
    transition: all var(--transition-normal);
    cursor: default;
}

.skill-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.skill-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    transition: all var(--transition-normal);
}

.skill-icon.rotating {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.skill-item:hover .skill-icon {
    transform: scale(1.1);
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 25px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(168, 85, 247, 0.2);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.placeholder-image i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.5;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(168, 85, 247, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

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

.project-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    transform: scale(0);
    transition: all var(--transition-normal);
}

.project-card:hover .project-link {
    transform: scale(1);
}

.project-link:hover {
    transform: scale(1.1);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(168, 85, 247, 0.2);
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--primary-light);
}

/* "More projects coming soon" kartı */
.add-project {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 260px;
    border: 2px dashed rgba(168, 85, 247, 0.3);
    background: transparent;
}


.add-project-content {
    width: 100%;
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    color: var(--text-muted);
}

/* + ikon boyutum ve animasyonu */
.add-project-content i {
    font-size: 2.6rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    animation: addProjectPulseSoft 2.4s ease-in-out infinite;
    opacity: 0.75;  
}

.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: grid;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid rgba(168, 85, 247, 0.2);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-value {
    font-weight: 500;
    color: var(--text-primary);
}

.cta-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.cta-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cta-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.footer {
    padding: 3rem 0 1rem;
    background: var(--bg-primary);
    border-top: 1px solid rgba(168, 85, 247, 0.2);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-logo .logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    color: var(--text-secondary);
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.footer-socials a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        display: flex;
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: all var(--transition-normal);
        border-bottom: 1px solid rgba(168, 85, 247, 0.2);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* "+" ikonu için pulse animasyonu */
@keyframes addProjectPulseSoft {
    0% {
        transform: scale(1);
        opacity: 0.65;
    }
    50% {
        transform: scale(1.08);
        opacity: 0.85;
    }
    100% {
        transform: scale(1);
        opacity: 0.65;
    }
}

.hidden {
    display: none !important;
}

.lightbox {
    display: none !important;
}


@media (max-width: 768px) {
    
    .project-card:hover {
        transform: none !important; 
        box-shadow: none !important; 
        border-color: rgba(168, 85, 247, 0.2); 
    }

   
    .project-overlay {
        opacity: 0 !important; 
        pointer-events: none; 
    }

    
    .project-link {
        transform: scale(0) !important;
        pointer-events: none; 
    }
}