/* --- Genel Değişkenler ve Ayarlar --- */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #f4f7f9;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #34495e;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header ve Navigasyon --- */
.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand img {
    height: 80px;
    /* Logo yüksekliğini ayarlayın */
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* --- Dropdown Menü --- */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: ' ▼';
    font-size: 0.7em;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #fff;
    min-width: 200px;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-color) !important;
    border-bottom: 1px solid var(--light-color);
}

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

.dropdown-item:hover {
    background-color: var(--secondary-color);
}

/* --- Butonlar --- */
.btn {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #357ABD;
    transform: translateY(-2px);
}

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

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

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

.btn-outline:hover {
    background-color: var(--dark-color);
    color: #fff;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* --- Hero Bölümü (Banner ile) --- */
.hero {
    /* Banner görselinizi buraya ekleyin */
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../../static/images/analiztop-banner.png') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 150px 0;
    margin-bottom: 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* --- Özellikler Bölümü --- */
.features {
    padding: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-color);
}

/* --- Footer --- */
footer {
    background-color: var(--dark-color);
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

/* --- Responsive Tasarım --- */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 200px;
    }
}