/* Ana Stiller */
:root {
    --primary-color: #0a0a0a;
    --secondary-color: #1a1a1a;
    --accent-color: #3498db;
    --text-color: #f5f5f5;
    --text-secondary: #aaaaaa;
    --border-radius: 10px;
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Skip Navigation - Accessibility */
.skip-navigation {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-color);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-navigation:focus {
    top: 6px;
    color: white;
    text-decoration: none;
}

/* Mobil düzeltmeleri - Yatay kaydırmayı önleme */
html, body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', monospace;
    background-color: var(--primary-color);
    color: var(--text-color);
    letter-spacing: -0.5px;
}

/* Preloader Styles */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    max-width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader-container {
    position: relative;
    width: 100px;
    height: 100px;
    z-index: 10;
}

.loader-circle {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.1);
    animation: pulse 2s infinite ease-in-out;
}

.loader-line-mask {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    border-radius: 50%;
    overflow: hidden;
    transform-origin: center;
    animation: rotate 1.5s infinite linear;
}

.loader-line {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--accent-color);
    border-left-color: var(--accent-color);
}

.loader-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
}

/* Canvas Stili */
#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw !important;
    max-width: 100%;
    height: 100%;
    z-index: 1;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(0.8);
    }
    50% {
        transform: scale(1);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

/* Navbar Stilleri */
.navbar {
    background-color: rgba(10, 10, 10, 0.9) !important;
    backdrop-filter: blur(10px);
    transition: all 0.5s ease;
}

.navbar.scrolled {
    padding: 5px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.navbar-brand img {
    height: 40px;
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.1);
}

/* Navbar İsim Animasyonu */
.navbar-brand-container {
    display: flex;
    align-items: center;
    height: 100%;
}

.navbar-name {
    color: var(--text-color);
    font-weight: 600;
    margin-left: 15px;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.5s ease;
    visibility: hidden;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    font-family: 'JetBrains Mono', monospace;
    position: relative;
    display: flex;
    align-items: center;
    line-height: 1;
}

.navbar-name:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: all 0.5s ease;
}

.navbar-name.show {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.navbar-name.show:after {
    width: 100%;
}

.nav-link {
    color: var(--text-color) !important;
    margin: 0 10px;
    position: relative;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'JetBrains Mono', monospace;
}

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

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

.navbar-toggler {
    border: none;
    color: var(--text-color);
}

/* Hero Section */
#hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 100vw;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    z-index: -1;
}

/* Particles Ortak Stil - Tüm bölümlerde kullanılacak */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw !important;
    max-width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particles-js {
    width: 100vw !important;
    max-width: 100%;
    height: 100%;
}

.hero-content {
    z-index: 1;
    padding: 20px;
    max-width: 100%;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.typed-cursor {
    color: var(--accent-color);
}

.hero-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    margin: 10px;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.hero-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.6);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

/* Bölüm Stilleri */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px; 
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-color); 
    text-align: center; /* Başlığın (span içeren H2) ortalanması için */
}

.section-title span {
    display: inline-block;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 7px; /* Alt çizgi ile metin arasındaki boşluk (10px - 3px) */
    line-height: normal; /* Yazı tipine uygun satır yüksekliği */
}

/* .section-title::after { display: none; } Artık kullanılmıyor */

.section-description {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Hakkımda Section */
#about {
    background-color: var(--secondary-color);
}

.about-img {
    width: 100%;
    max-width: 550px;
    position: relative;
    border-radius: calc(var(--border-radius) * 2);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-img img {
    width: 100%;
    border-radius: calc(var(--border-radius) * 2);
    transition: all 0.5s ease;
}

.about-img:hover img {
    transform: scale(1.05);
}

.about-content {
    padding: 20px; 
}

.about-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px; 
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-color); 
    text-align: left;
}

.about-heading span {
    display: inline-block;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 7px; 
    line-height: normal;
}


.about-text {
    margin-top: 30px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.skill-item {
    margin-bottom: 20px;
}

.skill-name {
    font-weight: 600;
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
}

.skill-percentage {
    color: var(--accent-color);
}

.skill-bar {
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 10px;
    transition: width 1.5s ease;
}

/* İş Deneyimleri Bölümü Stilleri */
#experience {
    background-color: var(--primary-color);
    position: relative;
    z-index: 0;
}

.experience-timeline {
    position: relative;
    padding: 30px 0;
}

.experience-timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: var(--accent-color);
    opacity: 0.3;
    transform: translateX(-50%);
}

.experience-item {
    position: relative;
    margin-bottom: 50px;
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-content {
    position: relative;
    background-color: var(--secondary-color);
    border-radius: calc(var(--border-radius) * 1.5);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    margin-left: 50px;
    margin-right: 50px;
}

.experience-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.experience-time {
    width: 120px;
    flex-shrink: 0;
    margin-right: 30px;
    position: relative;
}

.experience-time span {
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--accent-color);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    display: inline-block;
}

.experience-body {
    flex-grow: 1;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 5px;
    font-family: 'JetBrains Mono', monospace;
}

.experience-company {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.experience-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: 10px;
}

.experience-tag {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    margin-right: 10px;
    margin-bottom: 5px;
    font-family: 'JetBrains Mono', monospace;
}

/* Eğitim Hayatım Bölümü Stilleri */
#education {
    background-color: var(--secondary-color);
    position: relative;
    z-index: 0;
}

.education-card {
    position: relative;
    background-color: var(--primary-color);
    border-radius: calc(var(--border-radius) * 1.5);
    margin-bottom: 50px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 97%;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.education-card:last-child {
    margin-bottom: 0;
}

.education-year {
    position: absolute;
    top: 30px;
    right: 30px;
}

.education-year span {
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--accent-color);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
}

.education-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.education-content {
    flex-grow: 1;
    padding-top: 20px;
}

.education-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 5px;
    font-family: 'JetBrains Mono', monospace;
    padding-right: 150px;
}

.education-school {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.education-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.education-tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: 10px;
}

.education-tag {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    margin-right: 10px;
    margin-bottom: 5px;
    font-family: 'JetBrains Mono', monospace;
}

/* Projeler Section - Modern Carousel */
#projects {
    position: relative;
    background-color: var(--primary-color);
    z-index: 0;
    padding: 120px 0;
}

/* Projects Carousel Container */
.projects-carousel-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation Buttons */
.carousel-btn {
    position: absolute;
    bottom: 80px;
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.1);
    backdrop-filter: blur(10px);
    color: var(--accent-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(52, 152, 219, 0.3);
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.4);
}

.carousel-btn-prev {
    left: 20px;
}

.carousel-btn-next {
    right: 20px;
}

/* Projects Carousel */
.projects-carousel {
    position: relative;
    overflow: hidden;
    margin: 0 80px;
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
}

/* Modern Project Card */
.project-card-modern {
    display: flex;
    background: linear-gradient(135deg, var(--secondary-color) 0%, rgba(26, 26, 26, 0.9) 100%);
    border-radius: 25px;
    overflow: hidden;
    max-width: 1000px;
    width: 100%;
    min-height: 500px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.project-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.6;
}

/* Project Icon Container */
.project-icon-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    min-height: 400px;
}

.project-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #2980b9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    transition: var(--transition);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.3);
    position: relative;
}

.project-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #2980b9);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.project-card-modern:hover .project-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 20px 40px rgba(52, 152, 219, 0.4);
}

.project-card-modern:hover .project-icon::before {
    opacity: 0.3;
    transform: scale(1.2);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.1) 0%, transparent 50%);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 20px;
}

.project-year {
    background: rgba(52, 152, 219, 0.9);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: blur(10px);
}

/* Project Info */
.project-info {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-category {
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
}

.project-title-modern {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.2;
}

.project-description-modern {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

/* Tech Stack */
.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tech-badge {
    background: rgba(52, 152, 219, 0.15);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid rgba(52, 152, 219, 0.3);
    transition: var(--transition);
}

.tech-badge:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

/* Project Actions */
.project-actions {
    display: flex;
    gap: 15px;
}

.btn-project-primary,
.btn-project-secondary {
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-project-primary {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.3);
}

.btn-project-primary:hover {
    background: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    color: white;
    text-decoration: none;
}

.btn-project-secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-project-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Project Indicators */
.project-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    padding: 15px 25px;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(15px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.3);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    border: none;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.1);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.indicator:hover::before {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.indicator.active {
    background: var(--accent-color);
    width: 24px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.4);
}

.indicator.active::before {
    opacity: 0;
}

.indicator:hover {
    background: rgba(52, 152, 219, 0.6);
    transform: scale(1.1);
}

/* Side Projects Preview */
.side-projects {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    pointer-events: none;
    z-index: 5;
}

.side-project-left,
.side-project-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 320px;
    pointer-events: all;
}

.side-project-left {
    left: -280px;
}

.side-project-right {
    right: -240px;
}

.side-project-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 120px;
}

.side-project-card:hover {
    transform: translateX(20px);
    background: rgba(52, 152, 219, 0.1);
    border-color: var(--accent-color);
}

.side-project-left .side-project-card:hover {
    transform: translateX(-20px);
}

.side-project-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #2980b9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
    flex-shrink: 0;
}

.side-project-info h4 {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', monospace;
}

.side-project-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
}

/* İletişim Section */
#contact {
    background-color: var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.contact-form {
    background-color: var(--primary-color);
    padding: 40px;
    border-radius: calc(var(--border-radius) * 2);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-control::placeholder {
    color: white;
    opacity: 0.7;
}

.form-control {
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    height: 55px;
    color: white !important; 
    border-radius: 10px;
    margin-bottom: 20px;
    padding: 15px;
    transition: var(--transition);
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: none;
    border: 1px solid var(--accent-color);
}

textarea.form-control {
    height: 150px;
    resize: none;
}

.contact-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    width: 100%;
    margin-top: 10px;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.6);
}

.contact-info {
    padding: 40px 20px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--accent-color);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin-right: 20px;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-content h5 {
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-info-content p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    margin-top: 40px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--accent-color);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin-right: 15px;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-5px);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 0;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    z-index: 99;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.6);
}

/* Animasyonlar */
.reveal {
    position: relative;
    transform: translateY(50px);
    opacity: 0;
    transition: all 1s ease;
}

.reveal.active {
    transform: translateY(0);
    opacity: 1;
}

/* Kod Görünümlü Stil Eklemeleri */
code, pre {
    background-color: rgba(52, 152, 219, 0.1);
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 0.9em;
}

.skill-name, .project-tag, .contact-info-content h5, .hero-btn, .contact-btn {
    font-family: 'JetBrains Mono', monospace;
}


/* === Added for Skills Showcase in About Section === */
.skills-showcase {
    margin-top: 40px; 
}

.subsection-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color); 
    margin-bottom: 30px; 
    font-family: 'JetBrains Mono', monospace;
    text-align: left; /* Beceri başlıkları sola dayalı */
}
.subsection-title span {
    display: inline-block;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 7px; 
    line-height: normal;
}
/* .subsection-title::after { display: none; } Artık kullanılmıyor */


.technical-skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 25px; 
}

.skill-block {
    background-color: var(--primary-color); 
    padding: 25px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 15px rgba(var(--accent-color), 0.2); 
}

.skill-block-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.skill-icon {
    font-size: 1.5rem; 
    color: var(--accent-color);
    margin-right: 15px;
    width: 24px; 
    min-width: 24px; 
    text-align: center;
    line-height: 1; 
}

.skill-block-header h4 {
    font-size: 1.15rem; 
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
    font-family: 'JetBrains Mono', monospace; 
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px; 
}

.skill-badge {
    background-color: rgba(52, 152, 219, 0.15);
    color: var(--accent-color);
    padding: 7px 14px; 
    border-radius: calc(var(--border-radius) * 2);
    font-size: 0.8rem; 
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.skill-badge:hover {
    background-color: var(--accent-color);
    color: white;
    transform: scale(1.05); 
}

.skill-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7; 
    margin-top: 5px; 
}

.full-width-skill-block {
    grid-column: 1 / -1; 
}

.personal-skills-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 25px; 
}

.personal-skill-item {
    display: flex;
    align-items: flex-start;
    background-color: var(--primary-color); 
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.personal-skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 15px rgba(var(--accent-color), 0.2);
}

.personal-skill-item .skill-icon { 
    margin-top: 3px; 
}

.personal-skill-item div h5 {
    font-size: 1.1rem; 
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', monospace; 
}

.personal-skill-item div p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7; 
    margin-bottom: 0;
}
/* === End of Added Skills Showcase CSS === */


/* Medya Sorguları - İyileştirilmiş Responsive Design */

/* Large devices (desktops, 1200px and up) */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 4.5rem;
    }
    .container {
        max-width: 1140px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (max-width: 991.98px) { /* Geniş Tabletler ve Küçük Laptoplar */
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .about-heading {
        font-size: 1.8rem;
    }
    .contact-info {
        margin-top: 50px;
    }
    .subsection-title { 
        font-size: 1.6rem;
    }
    .skill-block-header h4 {
        font-size: 1.1rem;
    }
    .personal-skill-item div h5 {
        font-size: 1rem;
    }
    .technical-skills-grid, .personal-skills-list { 
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Projects Carousel Responsive */
    .projects-carousel {
        margin: 0 40px;
    }
    
    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        bottom: 60px;
    }
    
    .carousel-btn-prev {
        left: 15px;
    }
    
    .carousel-btn-next {
        right: 15px;
    }
    
    .project-card-modern {
        flex-direction: column;
        max-width: 600px;
        min-height: auto;
    }
    
    .project-icon-container {
        min-height: 250px;
    }
    
    .project-icon {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .project-info {
        padding: 30px;
    }
    
    .project-title-modern {
        font-size: 1.5rem;
    }
    
    .side-projects {
        display: none;
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (max-width: 767.98px) { /* Küçük Tabletler ve Büyük Telefonlar */
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .hero-btn {
        padding: 10px 20px;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .about-heading {
        font-size: 1.5rem;
    }
    /* .about-heading::after artık kullanılmıyor, span'a border uygulandı */
    .about-img {
        margin-bottom: 30px;
    }
    .about-content { 
        padding: 10px;
    }
    .navbar-name {
        font-size: 1.2rem;
        margin-left: 10px;
    }
    .experience-timeline:before {
        left: 30px;
    }
    
    .experience-content {
        flex-direction: column;
        margin-left: 60px; 
        margin-right: 0;
    }
    
    .experience-time {
        margin-bottom: 15px;
        margin-right: 0;
    }
    
    .education-year {
        position: relative;
        top: auto;
        right: auto;
        margin-bottom: 15px;
        text-align: left;
    }
    
    .education-title {
        padding-right: 0;
    }

    .technical-skills-grid, .personal-skills-list { 
        grid-template-columns: 1fr; 
    }
    .subsection-title {
        font-size: 1.5rem;
    }
    
    /* Mobile Projects Carousel */
    .projects-carousel {
        margin: 0 20px;
    }
    
    .carousel-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        bottom: 40px;
    }
    
    .carousel-btn-prev {
        left: 10px;
    }
    
    .carousel-btn-next {
        right: 10px;
    }
    
    .project-card-modern {
        border-radius: 20px;
        min-height: auto;
    }
    
    .project-icon-container {
        min-height: 200px;
    }
    
    .project-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .project-info {
        padding: 25px;
    }
    
    .project-title-modern {
        font-size: 1.3rem;
    }
    
    .project-description-modern {
        font-size: 0.9rem;
    }
    
    .project-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-project-primary,
    .btn-project-secondary {
        justify-content: center;
        padding: 10px 20px;
    }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) { /* Küçük Telefonlar */
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
    }
    .hero-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .project-card {
        height: auto;
    }
    .contact-form {
        padding: 20px;
    }
    .navbar-name {
        display: none;
    }
    .experience-content {
        padding: 20px;
        margin-left: 40px; 
    }
    .experience-timeline:before {
        left: 20px; 
    }
    
    .experience-time span {
        font-size: 0.8rem;
        padding: 5px 10px;
    }
    
    .education-card {
        padding: 20px;
    }
    
    .education-year span {
        font-size: 0.8rem;
        padding: 5px 10px;
    }
    /* .about-heading::after artık kullanılmıyor */
    .about-content { 
        padding: 5px;
    }
}

/* Güvenlik Uyarıları ve Form Geliştirmeleri */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
    animation: slideInDown 0.3s ease;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.15);
    color: #28a745;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.15);
    color: #dc3545;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border-left: 4px solid #ffc107;
}

.alert i {
    margin-right: 8px;
}

/* Karakter Sayacı */
.char-counter {
    font-size: 12px;
    text-align: right;
    margin-top: 5px;
    transition: color 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
}

/* Form Güvenlik Bilgileri */
.form-security-info {
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.3);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.form-security-info h6 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
}

.form-security-info ul {
    margin: 0;
    padding-left: 20px;
    list-style-type: disc;
}

.form-security-info li {
    margin-bottom: 5px;
}

/* Rate Limiting Göstergesi */
.rate-limit-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 6px;
    padding: 10px 15px;
    margin-top: 10px;
    font-size: 13px;
    color: #ffc107;
    text-align: center;
}

/* Form Input Geliştirmeleri */
.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
    outline: none;
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

/* Animasyonlar */
@keyframes slideInDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Mobil için güvenlik stilleri */
@media (max-width: 768px) {
    .alert {
        font-size: 13px;
        padding: 10px 14px;
    }
    
    .form-security-info {
        font-size: 12px;
        padding: 12px;
    }
    
    .char-counter {
        font-size: 11px;
    }
}