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

:root {
    --primary-color: #ff6b35;
    --secondary-color: #1a1a2e;
    --accent-color: #16213e;
    --text-light: #ffffff;
    --text-dark: #333333;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-light: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.15);
    --shadow-heavy: 0 15px 40px rgba(0,0,0,0.2);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255,255,255,0.2);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-light);
    text-decoration: none;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: all 0.3s ease;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;

    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0.1;
    animation: pulse 4s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, rgba(248, 249, 255, 1), transparent);
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.3; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-light);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-2);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

/* Section Styles */
section {
    padding: 5rem 0;
    position: relative;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-2);
    border-radius: 2px;
}

/* About Section */
.about {
    background: #f8f9ff;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23667eea' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.5;
    pointer-events: none;
}

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

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image {
    text-align: center;
}

.profile-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gradient-1);
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: var(--shadow-light);
}

.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.profile-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.profile-card p {
    color: #666;
    margin-bottom: 0.25rem;
}

.profile-card p:last-child {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--primary-color);
}

/* Games Section */
.games {
    background: white;
    position: relative;
}

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

.game-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f0f0f0;
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.game-image {
    height: 200px;
    background: var(--gradient-3);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    overflow: hidden;
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.game-card:hover .game-image img {
    transform: scale(1.05);
}

.game-info {
    padding: 1.5rem;
}

.game-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.game-description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.game-link {
    display: inline-block;
    background: var(--gradient-2);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.game-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.game-link:hover::before {
    left: 100%;
}

.game-link:hover {
    transform: scale(1.05);
}

/* Skills Section */
.skills {
    background: var(--secondary-color);
    color: var(--text-light);
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E") repeat;
    opacity: 0.5;
    pointer-events: none;
}

.skills .section-title {
    color: var(--text-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.skill-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.skill-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

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

.skill-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.skill-item p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: #f8f9ff;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23667eea' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.5;
    pointer-events: none;
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
    font-weight: 500;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--text-light);
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-1);
}

footer p {
    opacity: 0.8;
    line-height: 1.6;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* Mobile Responsiveness */
.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

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

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

.mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.98);
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow-medium);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

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

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .profile-card {
        padding: 1.5rem;
    }

    .skill-item {
        padding: 1.5rem;
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation for images */
.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Error handling for images */
.game-image img.error {
    display: none;
}

.game-image.error::after {
    content: '🎮';
    font-size: 3rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.cta-button:focus,
.contact-link:focus,
.game-link:focus,
.nav-links a:focus {
    outline: none;
    outline-offset: 0;
}


/* Print styles */
@media print {
    .preloader,
    nav,
    .back-to-top {
        display: none !important;
    }

    .hero {
        height: auto;
        padding: 2rem 0;
    }

    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
}

/* İletişim Formu Stili */
.contactForm {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contactForm h3 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contactForm input,
.contactForm textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f9f9f9;
    resize: vertical;
}

.contactForm input:focus,
.contactForm textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.3);
    background: #fff;
}

.contactForm textarea {
    min-height: 120px;
}

.contactForm button {
    padding: 0.8rem 2rem;
    background: var(--gradient-2);
    color: white;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.contactForm button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}