/* ============================================ */
/* GENEL AYARLAR VE CSS DEĞİŞKENLERİ */
/* ============================================ */
/* Bu bölümde tüm sitede kullanılacak renkler, fontlar ve genel ayarlar tanımlanır */

:root {
    /* Ana Renkler */
    --color-primary: #3b82f6;        /* Mavi - Ana renk */
    --color-primary-dark: #2563eb;   /* Koyu mavi - Hover efektleri için */
    --color-primary-light: #60a5fa;  /* Açık mavi - Arka planlar için */
    --color-secondary: #8b5cf6;      /* Mor - İkincil renk */
    --color-accent: #06b6d4;         /* Cyan - Vurgu rengi */
    
    /* Arka Plan Renkleri */
    --color-dark: #0f172a;           /* Koyu lacivert - Ana arka plan */
    --color-dark-alt: #1e293b;       /* Alternatif koyu renk */
    --color-dark-lighter: #334155;   /* Daha açık koyu renk */
    
    /* Metin Renkleri */
    --color-text-primary: #f8fafc;   /* Ana metin rengi (beyaz) */
    --color-text-secondary: #cbd5e1; /* İkincil metin rengi (açık gri) */
    --color-text-muted: #94a3b8;     /* Soluk metin rengi */
    
    /* Diğer Renkler */
    --color-white: #ffffff;
    --color-success: #10b981;        /* Yeşil - Başarı mesajları */
    --color-warning: #f59e0b;        /* Turuncu - Uyarı mesajları */
    --color-error: #ef4444;          /* Kırmızı - Hata mesajları */
    
    /* Fontlar */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Font Boyutları */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    /* Boşluklar */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2rem;     /* 32px */
    --spacing-xl: 3rem;     /* 48px */
    --spacing-2xl: 4rem;    /* 64px */
    --spacing-3xl: 6rem;    /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-full: 9999px;  /* Tam yuvarlak */
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Geçiş Süreleri */
    --transition-fast: 150ms;
    --transition-base: 300ms;
    --transition-slow: 500ms;
    
    /* Z-index Değerleri */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
    
    /* Container Genişlikleri */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
}

/* ============================================ */
/* RESET VE TEMEL STİLLER */
/* ============================================ */
/* Tarayıcıların varsayılan stillerini sıfırlar ve tutarlı bir temel oluşturur */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-dark);
    overflow-x: hidden;
}

/* Başlıklar için genel stiller */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

/* Linklerin varsayılan stillerini kaldır */
a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base) ease;
}

/* Liste stillerini kaldır */
ul, ol {
    list-style: none;
}

/* Resimler responsive olsun */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Butonların varsayılan stillerini kaldır */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* Input ve textarea stilleri */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ============================================ */
/* YARDIMCI SINIFLAR */
/* ============================================ */

/* Container - İçeriği ortalar ve maksimum genişlik verir */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section - Her bölüm için genel padding */
.section {
    padding: var(--spacing-3xl) 0;
}

/* Section Header - Bölüm başlıkları için */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================ */
/* BUTON STİLLERİ */
/* ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) ease;
    cursor: pointer;
    border: 2px solid transparent;
}

/* Primary Button - Ana buton */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Secondary Button - İkincil buton */
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Accent Button - Proje Talebi butonu */
.btn-accent {
    background: linear-gradient(135deg, var(--color-success), #059669);
    color: var(--color-white);
    border: 2px solid var(--color-success);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669, #047857);
    border-color: #059669;
}

/* Block Button - Tam genişlik buton */
.btn-block {
    width: 100%;
}

/* ============================================ */
/* HEADER / NAVİGASYON */
/* ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    transition: all var(--transition-base) ease;
}

/* Scroll edildiğinde header arka planı */
.header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.nav-logo i {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
}

/* Navigasyon Menüsü */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base) ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
}

/* Admin Panel Butonu - Sadece giriş yapılmışsa görünür */
.admin-panel-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: var(--font-size-base);
    transition: all var(--transition-base) ease;
    margin-left: var(--spacing-sm);
    flex-shrink: 0;
}

.admin-panel-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Mobil Menü Butonları */
.nav-toggle,
.nav-close {
    display: none;
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    cursor: pointer;
}

/* ============================================ */
/* HERO SECTION - ANA SAYFA */
/* ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

/* Arka plan animasyonlu gradient */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-container {
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Hero Sol Taraf - Metin */
.hero-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-name {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 600px;
}

/* Hero Butonları */
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Hero Sosyal Medya */
.hero-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.hero-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-alt);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    transition: all var(--transition-base) ease;
}

.hero-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* Scroll Down İndikatörü */
.scroll-down {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.2);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

/* ============================================ */
/* ABOUT SECTION - HAKKIMDA */
/* ============================================ */

.about {
    background: var(--color-dark-alt);
}

.about-content-single {
    max-width: 1000px;
    margin: 0 auto;
}

/* About Kart - Tam Genişlik */
.about-card-full {
    background: var(--color-dark);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.about-text-section {
    margin-bottom: var(--spacing-2xl);
}

.about-card-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.about-card-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

/* İletişim Bilgileri */
.about-contact-info {
    margin-bottom: var(--spacing-xl);
}

.about-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-dark-lighter);
}

.about-contact-item:last-child {
    border-bottom: none;
}

.about-contact-item i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    width: 30px;
}

.about-contact-item span {
    color: var(--color-text-secondary);
}

/* İstatistikler Grid */
.stats-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    flex: 0 1 calc(25% - var(--spacing-md));
    min-width: 140px;
    background: var(--color-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all var(--transition-base) ease;
}

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

.stat-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================ */
/* EXPERTISE SECTION - UZMANLIK ALANLARI */
/* ============================================ */

.expertise-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.expertise-card {
    flex: 0 1 calc(25% - var(--spacing-lg));
    min-width: 260px;
    max-width: 320px;
    background: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all var(--transition-base) ease;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-base) ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.expertise-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.expertise-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}


/* ============================================ */
/* WEBSITES & PROJECTS SECTION */
/* ============================================ */

/* Horizontal Scroll Container */
.websites-scroll-container,
.projects-scroll-container {
    position: relative;
    width: 100%;
    overflow: visible;
    padding: var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.websites-scroll,
.projects-scroll {
    display: flex;
    gap: var(--spacing-xl);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: var(--spacing-sm) 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
    flex: 1;
}

.websites-scroll:active,
.projects-scroll:active {
    cursor: grabbing;
}

/* Scrollbar'ı tamamen gizle */
.websites-scroll::-webkit-scrollbar,
.projects-scroll::-webkit-scrollbar {
    display: none;
}

/* Scroll Navigation Buttons */
.scroll-nav-btn {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--color-dark);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.9;
    flex-shrink: 0;
}

.scroll-nav-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    opacity: 1;
    transform: scale(1.1);
}

.scroll-nav-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

@media screen and (max-width: 768px) {
    .scroll-nav-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 16px;
    }
    
    .websites-scroll-container,
    .projects-scroll-container {
        gap: var(--spacing-sm);
    }
}

/* Project Card */
.project-card {
    background: var(--color-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 380px;
    max-width: 380px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--color-primary);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: transform 0.6s ease;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    display: block;
}

.project-card:hover .project-image {
    transform: scale(1.08);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.project-status {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.project-status.active {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.project-status.completed {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.project-status.development {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

/* Referans Firma/Müşteri Bilgisi */
.project-client {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.project-client i {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.project-client a {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast) ease;
}

.project-client a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* Teknoloji Etiketleri */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
}

.project-tag {
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.15);
    transition: all 0.3s ease;
}

.project-tag:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Proje Linkleri */
.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    flex: 1;
    padding: 12px 16px;
    background: transparent;
    border: 1.5px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.project-link i {
    font-size: 14px;
}

.project-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}


/* ============================================ */
/* SERVICES SECTION - HİZMETLER */
/* ============================================ */

.services {
    background: var(--color-dark-alt);
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.service-card {
    flex: 0 1 calc(25% - var(--spacing-lg));
    min-width: 260px;
    max-width: 320px;
    background: var(--color-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.1);
    text-align: center;
    transition: all var(--transition-base) ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ============================================ */
/* CONTACT SECTION - İLETİŞİM */
/* ============================================ */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

/* İletişim Bilgileri */
.contact-card {
    background: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: fit-content;
}

.contact-card-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.contact-card-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-dark);
    border-radius: var(--radius-md);
}

.contact-detail-item i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    width: 30px;
}

.contact-detail-item span {
    color: var(--color-text-secondary);
}

.contact-detail-item a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast) ease;
}

.contact-detail-item a:hover {
    color: var(--color-primary);
}

/* Sosyal Medya */
.contact-social-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.contact-social-links {
    display: flex;
    gap: var(--spacing-md);
}

.contact-social-links a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    transition: all var(--transition-base) ease;
}

.contact-social-links a:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* İletişim Formu */
.contact-form-wrapper {
    background: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-label i {
    color: var(--color-primary);
}

.form-input,
.form-textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-dark);
    border: 1px solid var(--color-dark-lighter);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base) ease;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* Form Mesajı */
.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
    border: 1px solid var(--color-error);
    display: block;
}

/* ============================================ */
/* FOOTER */
/* ============================================ */

.footer {
    background: var(--color-dark-alt);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    color: var(--color-primary);
}

.footer-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.footer-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--color-text-secondary);
    transition: all var(--transition-base) ease;
}

.footer-link:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

.footer-social-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-social-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base) ease;
    border: 1px solid transparent;
}

.footer-social-item i {
    font-size: var(--font-size-lg);
}

.footer-social-item:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.footer-social-links a:not(.footer-social-item) {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base) ease;
}

.footer-social-links a:not(.footer-social-item):hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-dark-lighter);
    text-align: center;
}

.footer-copyright,
.footer-credits {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================ */
/* SCROLL TO TOP BUTTON */
/* ============================================ */

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base) ease;
    z-index: var(--z-fixed);
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============================================ */
/* ANIMASYONLAR */
/* ============================================ */

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================ */
/* RESPONSIVE TASARIM - TABLET */
/* ============================================ */

@media screen and (max-width: 1024px) {
    /* Container padding azalt */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Font boyutlarını küçült */
    .hero-name {
        font-size: var(--font-size-4xl);
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    /* Grid düzenlerini ayarla */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    /* Uzmanlık ve hizmetler tablet'te 2 sütun genişlik */
    .expertise-card,
    .service-card {
        flex: 0 1 calc(50% - var(--spacing-lg));
        max-width: none;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    /* İstatistik grid tablet'te */
    .stat-card {
        flex: 0 1 calc(33.33% - var(--spacing-md));
    }
}

/* ============================================ */
/* RESPONSIVE TASARIM - MOBİL */
/* ============================================ */

@media screen and (max-width: 768px) {
    /* Navigasyon - Mobil Menü */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-dark-alt);
        padding: var(--spacing-2xl) var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base) ease;
        z-index: var(--z-fixed);
        overflow-y: auto;
    }
    
    .nav-menu.show {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-sm);
    }
    
    .nav-toggle,
    .nav-close {
        display: block;
    }
    
    .nav-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    /* Hero bölümü */
    .hero {
        min-height: auto;
        padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-name {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-social {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* Section padding azalt */
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Grid düzenlerini tek sütun yap */
    .expertise-card,
    .service-card {
        flex: 0 1 100%;
        max-width: none;
    }
    
    .expertise-grid,
    .services-grid {
        gap: var(--spacing-md);
    }
    
    .stat-card {
        flex: 0 1 calc(50% - var(--spacing-md));
    }
    
    .project-card {
        min-width: calc(100vw - 3rem);
        max-width: calc(100vw - 3rem);
    }
    
    .project-content {
        padding: var(--spacing-md);
    }
    
    .project-image {
        aspect-ratio: 16 / 9;
    }
    
    .project-links {
        flex-direction: column;
        gap: 8px;
    }
    
    .websites-scroll,
    .projects-scroll {
        gap: var(--spacing-md);
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    /* Contact responsive */
    .contact-tabs {
        flex-direction: column;
    }
    
    .contact-tab {
        padding: var(--spacing-sm);
    }
    
    /* Footer responsive */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-social-links {
        justify-content: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-list {
        align-items: center;
    }
    
    /* Admin panel butonu mobilde küçült */
    .admin-panel-btn {
        width: 34px;
        height: 34px;
        font-size: var(--font-size-sm);
        margin-left: var(--spacing-xs);
    }
    
    /* Hero başlık mobilde küçült */
    .hero-title {
        font-size: 2rem;
    }
    
    /* İletişim detay öğeleri taşma önleme */
    .contact-detail-item {
        word-break: break-word;
    }
    
    .contact-detail-item a,
    .contact-detail-item span {
        font-size: var(--font-size-sm);
        overflow-wrap: break-word;
    }
    
    /* Scroll to top button */
    .scroll-top-btn {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* ============================================ */
/* RESPONSIVE TASARIM - KÜÇÜK MOBİL */
/* ============================================ */

@media screen and (max-width: 480px) {
    /* Font boyutlarını daha da küçült */
    .hero-name {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    /* Padding ve spacing azalt */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Kartların padding'ini azalt */
    .about-card-full,
    .contact-card,
    .contact-form-wrapper {
        padding: var(--spacing-md);
    }
    
    .expertise-card,
    .service-card {
        padding: var(--spacing-md);
    }
    
    .stat-card {
        flex: 0 1 calc(50% - var(--spacing-sm));
    }
    
    .stats-grid {
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .stat-icon {
        font-size: var(--font-size-2xl);
    }
    
    .project-card {
        min-width: 260px;
        max-width: 260px;
    }
    
    .project-title {
        font-size: var(--font-size-base);
    }
    
    .project-description {
        font-size: var(--font-size-xs);
    }
    
    .project-tag {
        font-size: 10px;
        padding: 4px 8px;
    }
    
    .project-link {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .hero-social a {
        width: 38px;
        height: 38px;
        font-size: var(--font-size-base);
    }
    
    /* Footer 480 */
    .footer-social-item {
        padding: 6px 10px;
        font-size: var(--font-size-xs);
    }
    
    .about-card-title {
        font-size: var(--font-size-xl);
    }
    
    .about-card-text {
        font-size: var(--font-size-base);
    }
    
    .contact-card-title {
        font-size: var(--font-size-xl);
    }
    
    .nav {
        height: 60px;
    }
    
    .hero {
        padding: calc(60px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .scroll-down {
        display: none;
    }
}

/* ============================================ */
/* CONTACT TABS */
/* ============================================ */

.contact-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.contact-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-dark);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    border: none;
}

.contact-tab:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

.contact-tab.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================ */
/* FORM ROW */
/* ============================================ */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media screen and (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-toggle {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.toggle-label input[type="radio"] {
    accent-color: var(--color-primary);
}

select.form-input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* ============================================ */
/* ANNOUNCEMENT MODAL */
/* ============================================ */

.announcement-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.announcement-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.announcement-content {
    position: relative;
    background: var(--color-dark-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 550px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.3s ease;
}

.announcement-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-base) ease;
    border: none;
}

.announcement-close:hover {
    background: var(--color-error);
    color: var(--color-white);
}

.announcement-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--color-dark);
    border-radius: var(--radius-md);
}

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

.announcement-image {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    max-height: 200px;
    object-fit: cover;
}

.announcement-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.announcement-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

/* ============================================ */
/* PRINT STİLLERİ (Yazdırma için) */
/* ============================================ */

@media print {
    .header,
    .nav-toggle,
    .scroll-top-btn,
    .hero-buttons,
    .contact-form,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}