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

body {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

/* Animated Background Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(40, 167, 69, 0.6);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

.navbar {
    background: rgba(0, 0, 0, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(40, 167, 69, 0.3);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    display: flex;
    align-items: center;
    color: #ffffff !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: #28a745 !important;
    transform: scale(1.05);
}

.navbar-brand img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 8px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #28a745 !important;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #28a745, #20c997);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #28a745 0%, #20c997 50%, #17a2b8 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    animation: slideInDown 1s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: slideInUp 1s ease-out 0.3s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero img {
    margin-top: 30px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideInUp 1s ease-out 0.6s both;
    transition: all 0.3s ease;
}

.hero img:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Features Container */
.features-container {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 100px 0;
    position: relative;
}

.feature {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(32, 201, 151, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.5);
}

.feature:hover::before {
    opacity: 1;
}

.feature h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #28a745, #20c997);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.feature:hover h3 {
    transform: scale(1.1);
}

.feature p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.icon-link {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: none;
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-block;
}

.icon-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;
}

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

.icon-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
    color: white;
    text-decoration: none;
}

/* Projects Container */
.projects-container {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    color: white;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(32, 201, 151, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.5);
}

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

.project-card.border-primary {
    border: 2px solid #28a745 !important;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(32, 201, 151, 0.1) 100%);
}

.project-card h5 {
    color: #28a745;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.project-card:hover h5 {
    color: #20c997;
    transform: scale(1.05);
}

.project-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-card .badge {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 8px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.project-card .badge:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.project-card .btn {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-right: 10px;
    margin-bottom: 10px;
}

.project-card .btn::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;
}

.project-card .btn:hover::before {
    left: 100%;
}

.project-card .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
    color: white;
}

.project-card .btn-outline-primary {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.project-card .btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: transparent;
    color: white;
}

.project-card .btn-outline-success {
    background: transparent !important;
    border: 2px solid #28a745 !important;
    color: #28a745 !important;
    padding: 10px 20px !important;
    border-radius: 25px !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    overflow: hidden !important;
    margin-right: 10px !important;
    margin-bottom: 10px !important;
    text-decoration: none !important;
    display: inline-block !important;
}

.project-card .btn-outline-success:hover {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
    border-color: transparent !important;
    color: white !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4) !important;
    text-decoration: none !important;
}

/* Genel buton stilleri */
.btn {
    display: inline-block !important;
    text-decoration: none !important;
    cursor: pointer !important;
}

.btn-outline-success {
    background: transparent !important;
    border: 2px solid #28a745 !important;
    color: #28a745 !important;
    padding: 10px 20px !important;
    border-radius: 25px !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    overflow: hidden !important;
    margin-right: 10px !important;
    margin-bottom: 10px !important;
    text-decoration: none !important;
    display: inline-block !important;
}

.btn-outline-success:hover {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
    border-color: transparent !important;
    color: white !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4) !important;
    text-decoration: none !important;
}

.project-card a:not(.btn) {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-card a:not(.btn):hover {
    color: #f093fb;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Contact Container */
.contact-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px;
    margin: 100px auto;
    backdrop-filter: blur(10px);
    color: white;
    max-width: 800px;
    position: relative;
    overflow: visible;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.contact-card h3 {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-link {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 12px 15px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    font-weight: 500;
}

.contact-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateX(5px);
    text-decoration: none;
}

.contact-link i {
    font-size: 1.2rem;
    width: 25px;
    text-align: center;
}

.contact-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-container:hover::before {
    opacity: 1;
}

.contact-container h1 {
    color: #667eea;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: white;
    padding: 12px 15px;
    transition: all 0.3s ease;
    pointer-events: auto !important;
    z-index: 10 !important;
    position: relative;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    color: white;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: white;
}

/* About Page Specific Styles */
.about-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px;
    margin: 100px auto;
    backdrop-filter: blur(10px);
    color: white;
    max-width: 1000px;
    position: relative;
    overflow: hidden;
}

.about-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-container:hover::before {
    opacity: 1;
}

.about-container h1,
.about-container h2 {
    color: #667eea;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-container h1 {
    font-size: 2.5rem;
    text-align: center;
}

.about-container h2 {
    font-size: 1.8rem;
    border-left: 4px solid #667eea;
    padding-left: 15px;
    margin-top: 2rem;
}

.about-container p,
.about-container li {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-container ul {
    margin-left: 20px;
    margin-bottom: 1.5rem;
}

.about-container li {
    margin-bottom: 0.5rem;
}

.about-container strong {
    color: #667eea;
    font-weight: 600;
}

.about-container a {
    color: #f093fb;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.about-container a:hover {
    color: #667eea;
    border-bottom-color: #667eea;
    transform: translateY(-1px);
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* Loading animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(102, 126, 234, 0.3);
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive improvements */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero img {
        width: 150px;
        height: 150px;
    }
    
    .feature,
    .project-card,
    .contact-container,
    .about-container {
        padding: 25px;
        margin: 20px;
    }
    
    .feature h3 {
        font-size: 1.5rem;
    }
    
    .contact-container h1,
    .about-container h1 {
        font-size: 2rem;
    }
    
    .about-container h2 {
        font-size: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Enhanced text selection */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: white;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2, #f093fb);
}