/* ==========================================================================
   MINIMALIST PORTFOLIO DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* 1. GLOBAL VARIABLES & THEMES */
:root {
    /* Fonts */
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Layout Sizes */
    --container-width: 1140px;
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

/* DARK THEME VARIABLES (Varsayılan) */
body.dark-theme {
    --bg-primary: #0a0a0c;
    --bg-secondary: #121216;
    --bg-tertiary: #191922;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #4b5563;
    
    --accent: #6366f1; /* Modern Indigo */
    --accent-rgb: 99, 102, 241;
    --accent-hover: #4f46e5;
    
    --border-color: #1e1e24;
    --input-bg: #121216;
    --input-border: #272732;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    
    --badge-bg: rgba(99, 102, 241, 0.1);
    --badge-color: #818cf8;
    
    --card-hover-bg: #16161e;
    --gradient-hero: linear-gradient(135deg, #f3f4f6 30%, #a5b4fc 100%);
}

/* LIGHT THEME VARIABLES */
body.light-theme {
    --bg-primary: #fbfbfd;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #4f46e5; /* Deep Indigo */
    --accent-rgb: 79, 70, 229;
    --accent-hover: #3730a3;
    
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(79, 70, 229, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(79, 70, 229, 0.1);
    
    --badge-bg: rgba(79, 70, 229, 0.06);
    --badge-color: #4f46e5;
    
    --card-hover-bg: #f8fafc;
    --gradient-hero: linear-gradient(135deg, #0f172a 30%, #4f46e5 100%);
}

/* 2. BASE STYLES & RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1), color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea, select {
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 3. HEADER & NAVIGATION */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(var(--bg-primary), 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.5px;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-right: 8px;
    display: inline-block;
    transition: var(--transition-smooth);
}

.logo-icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    transition: var(--transition-smooth);
}

.logo:hover .logo-icon {
    transform: scale(1.08) rotate(-3deg);
}

.logo-text {
    color: var(--text-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: var(--text-primary);
}

.logo-text-light {
    font-weight: 400;
    opacity: 0.85;
}

/* Nav Links */
.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition-smooth);
    border-radius: 1px;
}

.nav-link.active {
    color: var(--text-primary);
    font-weight: 600;
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    color: var(--text-primary);
}

.theme-toggle-btn:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

body.light-theme .sun-icon {
    display: block;
}

body.light-theme .moon-icon {
    display: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 24px;
    height: 24px;
    justify-content: center;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Mobile Menu Open States */
.mobile-menu-btn.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-btn.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 4. SECTIONS COMMON STYLES */
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height) - 100px);
}

.section {
    padding: 80px 0;
    display: none; /* SPA yapısı için sekmeler varsayılan olarak gizli */
    opacity: 0;
    transform: translateY(20px);
}

.section.active {
    display: block;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.section-header {
    margin-bottom: 48px;
    max-width: 600px;
}

.section-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
}

.title-underline {
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    margin-top: 16px;
    border-radius: 2px;
}

/* 5. GİRİŞ (HOME) BÖLÜMÜ STİLLERİ */
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    min-height: calc(100vh - var(--header-height) - 160px);
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--badge-bg);
    color: var(--badge-color);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981; /* Green */
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: inherit;
    animation: pulse 1.8s ease-in-out infinite;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.15;
    margin-bottom: 24px;
}

.text-gradient {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.7;
}

/* Butonlar */
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(var(--accent-rgb), 0.25);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background-color: rgba(var(--bg-secondary), 0.5);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: rgba(var(--bg-secondary), 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px) scale(1.05);
}

/* Hero Görsel Bölümü */
.hero-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-circle-container {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    padding: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.glow-effect {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.15) 0%, rgba(var(--accent-rgb), 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    z-index: 2;
    filter: grayscale(15%);
}

/* 6. CV / ÖZGEÇMİŞ BÖLÜMÜ STİLLERİ */
.cv-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 64px;
}

.group-title-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.group-icon {
    color: var(--accent);
}

.group-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Zaman Tüneli (Timeline) */
.timeline {
    position: relative;
    border-left: 2px solid var(--border-color);
    padding-left: 32px;
    margin-left: 10px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-dot {
    position: absolute;
    left: -41px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 3px solid var(--accent);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent);
    transform: scale(1.2);
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.timeline-position {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Yan Panel (Sidebar) */
.sidebar-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.3px;
}

.skill-category {
    margin-bottom: 24px;
}

.skill-category:last-child {
    margin-bottom: 0;
}

.skill-cat-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

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

.skill-tag {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background-color: rgba(var(--accent-rgb), 0.05);
}

.clean-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.list-item-with-meta .item-main {
    font-size: 0.95rem;
    font-weight: 600;
}

.list-item-with-meta .item-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.box-divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: 24px 0;
}

.language-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    margin-bottom: 10px;
}

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

.lang-name {
    font-weight: 600;
}

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

/* 7. PROJELER (PORTFOLYO) BÖLÜMÜ STİLLERİ */
.filter-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    border-radius: 50px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.filter-btn.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

.project-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: var(--shadow-lg);
}

.project-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(4px);
}

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

.project-links {
    display: flex;
    gap: 16px;
}

.project-link-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #ffffff;
    color: #111111;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.project-link-icon:hover {
    transform: scale(1.1);
    background-color: var(--accent);
    color: #ffffff;
}

.project-content {
    padding: 24px;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: inline-block;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech-stack span {
    font-size: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
}

/* 8. BLOG BÖLÜMÜ STİLLERİ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.blog-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-6px);
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: var(--shadow-lg);
}

.blog-img-wrapper {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-img {
    transform: scale(1.04);
}

.blog-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.meta-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--text-muted);
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.35;
    letter-spacing: -0.3px;
    transition: var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--accent);
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent);
    padding: 4px 0;
    position: relative;
}

.btn-text svg {
    transition: transform 0.3s ease;
}

.btn-text:hover svg {
    transform: translateX(4px);
}

/* Blog Okuyucu Görünümü (SPA Reader) */
.blog-reader {
    max-width: 780px;
    margin: 0 auto;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.blog-reader.hidden {
    display: none;
}

.back-btn {
    margin-bottom: 40px;
    padding: 10px 18px;
}

.back-btn:hover svg {
    transform: translateX(-4px);
}

.full-blog-post {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.post-header {
    margin-bottom: 32px;
}

.post-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.2;
    margin: 16px 0 24px 0;
}

.post-cover-wrapper {
    aspect-ratio: 21 / 9;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.post-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.post-body p {
    margin-bottom: 24px;
}

.post-body h2 {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 40px 0 16px 0;
    letter-spacing: -0.5px;
}

.post-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 32px 0 12px 0;
}

.post-body blockquote {
    border-left: 4px solid var(--accent);
    padding-left: 24px;
    font-style: italic;
    color: var(--text-primary);
    margin: 32px 0;
    font-size: 1.2rem;
}

.post-body code {
    background-color: var(--bg-tertiary);
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: monospace;
    color: var(--accent);
}

.post-body pre {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: 32px 0;
}

.post-body pre code {
    background-color: transparent;
    padding: 0;
    color: var(--text-primary);
}

/* 9. İLETİŞİM BÖLÜMÜ STİLLERİ */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: start;
}

.contact-info-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.contact-info-desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.detail-texts {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-size: 1.05rem;
    font-weight: 600;
}

.detail-value:hover {
    color: var(--accent);
}

.social-links-vertical {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

.social-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 16px;
}

.social-row {
    display: flex;
    gap: 16px;
}

.social-row .social-link {
    width: auto;
    height: auto;
    border-radius: 8px;
    padding: 10px 16px;
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
}

/* İletişim Formu */
.contact-form-wrapper {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.form-group textarea {
    resize: none;
}

/* Form Geri Bildirimi */
.form-feedback {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
    transition: var(--transition-smooth);
}

.form-feedback.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.form-feedback.hidden {
    display: none;
}

/* 10. FOOTER STİLLERİ */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 80px;
    background-color: rgba(var(--bg-primary), 0.5);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.made-with {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-login-lock {
    color: var(--text-muted);
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.admin-login-lock:hover {
    color: var(--accent);
}

/* 11. MOBİL ARKA PLAN KARARTMASI */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
    display: none;
    opacity: 0;
    transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

/* ==========================================================================
   12. ADMIN PANELİ & CMS STİLLERİ (YENİ)
   ========================================================================== */

/* Admin Giriş Kartı */
.admin-login-card {
    max-width: 420px;
    margin: 60px auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.lock-icon-container {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
}

.login-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

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

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Admin Dashboard Kapsayıcı */
.admin-dashboard {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.admin-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 40px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 20px;
}

.admin-badge {
    background-color: var(--badge-bg);
    color: var(--badge-color);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 6px;
}

.admin-panel-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.8px;
}

.admin-actions {
    display: flex;
    gap: 12px;
}

.logout-btn {
    border-color: #ef4444 !important;
    color: #ef4444 !important;
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.05) !important;
    border-color: #ef4444 !important;
}

/* Layout */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 600px;
}

.admin-sidebar {
    border-right: 1px solid var(--border-color);
    padding: 32px 0;
    background-color: rgba(var(--bg-primary), 0.3);
}

.admin-tab-btn {
    width: 100%;
    text-align: left;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    transition: var(--transition-fast);
}

.admin-tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(var(--accent-rgb), 0.03);
}

.admin-tab-btn.active {
    color: var(--accent);
    background-color: rgba(var(--accent-rgb), 0.06);
    border-left-color: var(--accent);
    font-weight: 700;
}

/* Tab İçerik Alanı */
.admin-tab-content {
    padding: 40px;
    overflow-y: auto;
}

.admin-tab-pane {
    display: none;
}

.admin-tab-pane.active {
    display: block;
    animation: fadeInUp 0.4s ease forwards;
}

.tab-pane-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 32px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.admin-subbox {
    background-color: rgba(var(--bg-primary), 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
}

.subbox-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.2px;
    color: var(--text-primary);
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.inline-form {
    display: flex;
    flex-direction: row;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.inline-form input {
    flex: 1;
    min-width: 150px;
}

.admin-feedback {
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
}

.admin-feedback.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* Düzenleme Listeleri */
.list-container-box {
    background-color: rgba(var(--bg-primary), 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
}

.admin-data-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-data-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    gap: 12px;
}

.admin-data-list li .item-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.admin-data-list li .item-title {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.admin-data-list li .item-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.action-btn {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.action-btn.edit {
    color: var(--accent);
}

.action-btn.edit:hover {
    background-color: rgba(var(--accent-rgb), 0.05);
    border-color: var(--accent);
}

.action-btn.delete {
    color: #ef4444;
}

.action-btn.delete:hover {
    background-color: rgba(239, 68, 68, 0.05);
    border-color: #ef4444;
}

/* Rich List (Proje ve Blog listeleri) */
.rich-list li {
    padding: 16px 20px;
}

.rich-list li .item-info {
    flex-grow: 1;
}

.rich-list li .item-meta {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.rich-list li .item-title {
    font-size: 1rem;
}

.rich-list li .item-subtitle {
    font-size: 0.85rem;
}

/* Spinner Animasyonu */
.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   13. ANIMATIONS
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2.4);
        opacity: 0;
    }
}

/* Helper Class */
.hidden {
    display: none !important;
}

/* ==========================================================================
   14. RESPONSIVE MEDIA QUERIES (Mobil ve Tablet Uyumluluğu)
   ========================================================================== */

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
        min-height: auto;
        padding: 40px 0;
    }

    .hero-info {
        order: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-image-wrapper {
        order: 1;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .cv-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .admin-layout {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
    }
    
    .admin-tabs {
        display: flex;
        flex-wrap: wrap;
        padding: 0 24px;
        gap: 8px;
    }
    
    .admin-tab-btn {
        padding: 10px 16px;
        border-left: none;
        border-bottom: 3px solid transparent;
        border-radius: 4px;
    }
    
    .admin-tab-btn.active {
        border-left-color: transparent;
        border-bottom-color: var(--accent);
    }
}

@media (max-width: 768px) {
    .header {
        height: 70px;
    }
    
    .main-content {
        margin-top: 70px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Mobil Navigasyon Menüsü */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        z-index: 999;
        transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        padding: 100px 32px;
        display: block;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-link {
        font-size: 1.15rem;
        display: block;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .full-blog-post {
        padding: 24px;
        border-radius: var(--border-radius-md);
    }
    
    .post-title {
        font-size: 1.85rem;
    }
    
    .form-row-2, .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .admin-panel-header {
        padding: 24px;
    }
    
    .admin-tab-content {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
        letter-spacing: -1.2px;
    }
    
    .hero-circle-container {
        width: 260px;
        height: 260px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .admin-login-card {
        padding: 24px;
    }
    
    .inline-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .inline-form button {
        width: 100%;
    }
}

/* ==========================================================================
   ADMIN MESSAGES SECTION STYLES
   ========================================================================== */
.badge-unread {
    background-color: var(--accent);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 20px;
    margin-left: 8px;
    display: inline-block;
    vertical-align: middle;
}
.badge-unread.hidden {
    display: none !important;
}
li.message-item {
    border-left: 3px solid transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
li.message-item.unread {
    border-left-color: var(--accent);
    background-color: rgba(99, 102, 241, 0.04);
}
.message-body-content {
    margin-top: 10px;
    padding: 12px;
    background-color: rgba(var(--bg-primary-rgb, 18, 18, 18), 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    display: none;
}
.message-body-content.open {
    display: block;
    animation: fadeIn 0.3s ease;
}
.item-info.clickable {
    cursor: pointer;
}
.item-info.clickable:hover .item-title {
    color: var(--accent);
}