/* Genel Ayarlar & Değişkenler */
:root {
    --primary-blue: #16365D; /* Logodaki Koyu Mavi */
    --secondary-blue: #24528A;
    --light-grey: #F8FAFC;
    --border-color: #E2E8F0;
    --text-dark: #1A202C;
    --text-light: #4A5568;
    --white: #FFFFFF;
    --accent: #3182CE;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.brand-logo {
    max-height: 60px; /* Logonun boyutunu sınırla */
    width: auto;
}

.logo h1 {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 4px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
}

nav a:hover, nav a.active {
    color: var(--accent);
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 54, 93, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

.link-arrow {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 15px;
    transition: transform 0.3s;
}
.link-arrow:hover {
    transform: translateX(5px);
}

/* Hero Bölümü */
.hero {
    background-color: var(--light-grey);
    padding: 100px 0;
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    background-color: #EBF8FF;
    color: var(--accent);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h2 {
    font-size: 48px;
    color: var(--primary-blue);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 800;
}

.hero p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}
   .hero-image-placeholder {
    flex: 1;
    height: 400px;
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=1200&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(22, 54, 93, 0.15);
}


.tech-pattern {
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.2) 2px, transparent 2px);
    background-size: 30px 30px;
    opacity: 0.5;
}

/* Hakkımızda Özet */
.about-snippet {
    padding: 80px 0;
    background-color: var(--white);
}

.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 2;
}

.about-text h3 {
    font-size: 32px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 16px;
}

.about-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-box {
    background-color: var(--light-grey);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
}

.stat-box h4 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.stat-box span {
    color: var(--text-light);
    font-weight: 600;
}

/* Hizmetler */
.services-section {
    padding: 90px 0;
    background-color: var(--light-grey);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
    font-size: 18px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.service-card .icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 20px;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* Neden Biz */
.why-us {
    padding: 80px 0;
    background-color: var(--white);
}

.why-us-content h2 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    color: var(--text-light);
    font-size: 16px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 18px;
}

.feature-list strong {
    color: var(--text-dark);
}

/* CTA */
.cta {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #CBD5E0;
}

/* Footer */
footer {
    background-color: #0F2542; /* Daha koyu lacivert */
    color: var(--white);
    padding: 70px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.footer-brand p {
    color: #A0AEC0;
}

.footer-links h4, .footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: #A0AEC0;
    text-decoration: none;
    margin-bottom: 10px;
    display: inline-block;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact p {
    color: #A0AEC0;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    color: #A0AEC0;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container, .about-container, .footer-container {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
    .hero h2 {
        font-size: 38px;
    }
    .hero-image-placeholder {
        width: 100%;
        height: 300px;
    }
}
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero-buttons {
        flex-direction: column;
    }
}