/* Landing Page CSS - Tres Teknoloji */

:root {
    --primary-red: rgb(220, 38, 38);
    --primary-red-hover: rgb(185, 28, 28);
    --light-red: rgb(254, 226, 226);
    --dark-red: rgb(153, 27, 27);
}

/* Genel stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
}

.navbar-brand {
    color: var(--primary-red) !important;
    font-weight: 700;
}

.navbar-nav .nav-link {
    color: #333 !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-red) !important;
}

/* Buttons */
.btn-primary {
    background: var(--primary-red);
    border-color: var(--primary-red);
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-red-hover);
    border-color: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
}

.btn-outline-primary {
    color: var(--primary-red);
    border-color: var(--primary-red);
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    transform: translateY(-2px);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    background: white;
    margin-bottom: 30px;
    border: 1px solid #f8f9fa;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3.5rem;
    color: var(--primary-red);
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* Sections */
.section-title {
    color: #333;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.about-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.cta-section {
    background: var(--primary-red);
    color: white;
    padding: 80px 0;
}

.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer a {
    color: #ccc;
    text-decoration: none;
}

.footer a:hover {
    color: white;
}

/* Language Selector */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.language-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    margin-left: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    transform: translateY(-2px);
}

.language-btn.active {
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
    }
    
    .language-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}