:root {
    /* Colors */
    --bg-dark: #0a0a12;
    --bg-card: rgba(20, 20, 30, 0.6);
    --primary: #00E5FF; /* Neon Cyan */
    --secondary: #BF00FF; /* Electric Purple */
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --gradient-main: linear-gradient(135deg, var(--primary), var(--secondary));
    
    /* Fonts */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --backdrop-blur: blur(10px);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-heading);
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(191, 0, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: #000;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}
.section-title a {
    text-decoration: none;
}
.section-title h2 {
    font-size: 2.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block; /* Linkin sadece yazıyı kaplaması için */
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: var(--glass-border);
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}
.logo span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo-icon {
    width: 28px;
    height: 28px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition);
}

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

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


.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(191, 0, 255, 0.1), transparent 40%),
                radial-gradient(circle at bottom left, rgba(0, 229, 255, 0.1), transparent 40%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Cards & Glassmorphism */
.card {
    background: var(--bg-card);
    border: var(--glass-border);
    padding: var(--spacing-lg);
    border-radius: 16px;
    transition: var(--transition);
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Ana Sayfa - Hizmetler */
.service-card {
    background: var(--bg-card);
    border: var(--glass-border);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 229, 255, 0.2);
    border-color: var(--primary);
}
.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    height: 48px; 
    display: flex;
    justify-content: center;
    align-items: center;
}
.service-card:nth-child(2) .service-icon { color: var(--secondary); }
.service-card:nth-child(3) .service-icon { color: #fff; }

/* Ana Sayfa - Neden Biz */
.feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: var(--glass-border);
}
.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
}
.feature-item:nth-of-type(even) .feature-icon {
    color: var(--primary);
}

/* Ana Sayfa - Referansımız */
.single-reference-wrapper {
    max-width: 480px; 
    margin: 0 auto;
}
.single-reference-wrapper .service-card {
    min-height: 320px;
    background: linear-gradient(135deg, #00282e, #1d002e);
}
.single-reference-wrapper .service-card:hover {
    box-shadow: 0 10px 40px rgba(191, 0, 255, 0.3); 
    border-color: var(--secondary);
}
.reference-icon-img {
    height: 300px; 
    width: auto;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.6)); 
}

/* Ana Sayfa - CTA */
.cta-card {
    background: linear-gradient(135deg, #00282e, #1d002e);
    padding: var(--spacing-xl);
    border-radius: 16px;
    text-align: center;
    color: #fff;
    border: var(--glass-border);
}
.cta-card h2 {
    font-size: 2rem;
}
.cta-card .btn-primary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.cta-card .btn-primary:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

/* Hakkımızda Sayfası */
.mission-card .card-icon { color: var(--primary); }
.vision-card .card-icon { color: var(--secondary); }
.card-icon { font-size: 3rem; margin-bottom: 1rem; }
.value-card { text-align: center; }
.value-icon { font-size: 2.5rem; margin-bottom: 1rem; color: var(--primary); }
.value-card:nth-of-type(even) .value-icon { color: var(--secondary); }

.timeline {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-main);
}
.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-lg);
}
.timeline-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--bg-dark);
}
.timeline-content h3 { font-size: 1.5rem; }
.timeline-content p { color: var(--text-muted); }

/* Hizmetler Sayfası */
.badge {
    background: rgba(0, 229, 255, 0.1);
    padding: 5px 15px;
    border-radius: 5px;
    color: var(--primary);
    border: 1px solid var(--primary);
}

/* Blog Sayfası - Site 2 Stili */
.blog-card-simple {
    background: var(--bg-card);
    border: var(--glass-border);
    padding: var(--spacing-lg);
    border-radius: 16px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card-simple:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 40px rgba(0, 229, 255, 0.1);
}
.blog-card-simple .card-icon {
    margin-bottom: 1.5rem;
    text-align: center;
}
.blog-card-simple .card-icon i {
    font-size: 3rem;
}
.blog-card-simple h4 {
    margin-bottom: 1rem;
}
.blog-card-simple .blog-summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1; /* Özetlerin aynı hizada bitmesini sağlar */
}
.blog-card-simple ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}
.blog-card-simple ul li {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}
.blog-card-simple ul li::before {
    content: '✓';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}
.blog-read-more {
    color: var(--primary);
    font-weight: 600;
    align-self: flex-start;
}
.blog-read-more:hover i {
    transform: translateX(5px);
}
.blog-read-more i {
    transition: var(--transition);
}


/* Blog Detay Sayfası */
.blog-detail-content {
    max-width: 800px;
    margin: 0 auto;
}
.blog-detail-image {
    width: 100%;
    border-radius: 16px;
    margin: 2rem 0;
}
.blog-detail-content h1 { font-size: 2.8rem; }
.blog-detail-content h2 { font-size: 2rem; margin-top: 2rem; }
.blog-detail-content h3 { font-size: 1.5rem; margin-top: 1.5rem; }
.blog-detail-content p, .blog-detail-content li { color: var(--text-muted); }
.blog-detail-content ul { list-style: disc; padding-left: 2rem; margin: 1rem 0; }
.blog-detail-content blockquote {
    margin: 2rem 0;
    padding-left: 2rem;
    border-left: 4px solid var(--primary);
    font-style: italic;
    color: var(--text-main);
}

/* İletişim Sayfası */
.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.contact-info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}
.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-family: var(--font-body);
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}
textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background: #050508;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links h4 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .hamburger { display: block; }

    .nav-links {
        position: fixed;
        top: 65px; /* header height */
        right: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background: rgba(10, 10, 18, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.4s ease;
    }

    .nav-links.active { right: 0; }
    
    .footer-content { grid-template-columns: 1fr; }
    
    .timeline::before { left: 15px; }
    .timeline-item { padding-left: 50px; }
    .timeline-number { width: 30px; height: 30px; font-size: 0.9rem;}
}