:root {
    --bg-dark: #070b19;
    --bg-darker: #04060d;
    --primary-color: #3f79ff;
    --primary-light: #5d92ff;
    --primary-glow: rgba(63, 121, 255, 0.5);
    --secondary-color: #27cdd6;
    --text-primary: #ffffff;
    --text-secondary: #9da3ba;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.05);
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Custom Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.text-primary-gradient {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.custom-navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 10px 30px;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary-custom {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary-custom:hover {
    background: var(--primary-light);
    box-shadow: 0 0 30px var(--primary-glow);
    color: #fff;
}

.btn-secondary-custom {
    background: transparent;
    color: #fff;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.btn-secondary-custom:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Base Layout Sections */
main {
    padding-top: 120px;
    min-height: 100vh;
}

.section-padding {
    padding: 100px 0;
}

/* Custom Footer */
.custom-footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 80px 5% 40px;
    margin-top: 100px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 50px;
}

.footer-left {
    max-width: 300px;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-left p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links-grid {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 60px auto 0;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Glass Card styles */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    transition: transform 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Utilities */
.hero-playfair {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-weight: normal;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 5px 15px;
    font-size: 0.8rem;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tag-primary {
    background: rgba(63, 121, 255, 0.2);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

@media (max-width: 991px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(7, 11, 25, 0.85);
        /* Hafif saydam arka plan */
        backdrop-filter: blur(15px);
        /* Cam flulaştırma efekti */
        padding: 20px;
        border-radius: 20px;
        border: 1px solid var(--border-color);
        margin-top: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        z-index: 1001;
        /* Her şeyin üstünde olmasını garantile */
    }

    .nav-links.active {
        display: flex;
        animation: fadeIn 0.3s ease;
    }

    .nav-actions {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .footer-links-grid {
        flex-wrap: wrap;
        gap: 40px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}