:root {
    --primary: #27ae60;
    --primary-hover: #219653;
    --dark: #1a1a1a;
    --light: #f4f7f6;
    --white: #ffffff;
    --gray: #6c757d;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
html { scroll-behavior: auto; }
body { color: var(--dark); line-height: 1.7; background-color: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.container { width: 90%; max-width: 1200px; margin: auto; }
.section { padding: 100px 0; }
.bg-light { background-color: var(--light); }
.text-center { text-align: center; }

h1, h2, h3 { font-weight: 700; line-height: 1.2; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 2.5rem; color: var(--dark); margin-bottom: 10px; }
.section-title p { color: var(--primary); font-weight: 500; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }

/* Navbar */
.navbar { position: fixed; width: 100%; top: 0; z-index: 1000; transition: var(--transition); background: transparent; padding: 20px 0; }
.navbar.scrolled { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); box-shadow: 0 4px 20px rgba(0,0,0,0.05); padding: 15px 0; }
.navbar.scrolled .nav-links a, .navbar.scrolled .logo { color: var(--dark); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--white); transition: var(--transition); }
.logo span { color: var(--primary); }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { color: var(--white); font-weight: 500; position: relative; transition: var(--transition); }
.nav-links a::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0; background-color: var(--primary); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }
.lang-switcher select { padding: 8px 15px; border: none; border-radius: 20px; background: var(--primary); color: var(--white); font-weight: 600; cursor: pointer; outline: none; }

/* Hero */
.hero { height: 100vh; background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1542838132-92c53300491e?q=80&w=2000&auto=format&fit=crop') center/cover fixed; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); }
.hero-content h1 { font-size: 4.5rem; margin-bottom: 20px; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }
.hero-content p { font-size: 1.2rem; margin-bottom: 40px; max-width: 700px; margin-inline: auto; color: #e0e0e0; }
.btn { padding: 15px 35px; border-radius: 30px; font-weight: 600; cursor: pointer; border: none; display: inline-block; transition: var(--transition); font-size: 1rem; }
.btn-primary { background-color: var(--primary); color: var(--white); box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4); }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-3px); box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6); }

/* Grid & Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.card { background: var(--white); border-radius: 15px; overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid #eee; }
.card:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(0,0,0,0.12); }
.card-img-container { height: 250px; overflow: hidden; }
.card-img-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img-container img { transform: scale(1.05); }
.card-body { padding: 30px; }
.card-body h3 { margin-bottom: 10px; color: var(--dark); }
.card-body p { color: var(--gray); font-size: 0.95rem; }

/* Table Section */
.table-responsive { width: 100%; overflow-x: auto; border-radius: 10px; box-shadow: var(--shadow); background: var(--white); margin-top: 30px; }
.styled-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; text-align: left; white-space: nowrap; }
.styled-table thead tr { background-color: var(--primary); color: var(--white); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.5px; }
.styled-table th, .styled-table td { padding: 15px 20px; border-bottom: 1px solid #eeecec; }
.styled-table tbody tr { transition: var(--transition); }
.styled-table tbody tr:nth-of-type(even) { background-color: #fcfcfc; }
.styled-table tbody tr:hover { background-color: #f1f9f4; transform: scale(1.005); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.styled-table td:first-child { font-weight: 600; color: var(--gray); }
.styled-table td:nth-child(2) { font-weight: 700; color: var(--dark); }
.badge { display: inline-block; padding: 5px 10px; font-size: 0.75rem; font-weight: 600; color: #2e7d32; background-color: #e8f5e9; border-radius: 20px; border: 1px solid #c8e6c9; }

/* Features */
.feature { padding: 40px 20px; background: var(--white); border-radius: 15px; box-shadow: var(--shadow); transition: var(--transition); }
.feature:hover { transform: translateY(-5px); }
.feature .icon { font-size: 3rem; margin-bottom: 20px; }
.feature h3 { margin-bottom: 15px; }
.feature p { color: var(--gray); }

/* Contact */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.info-card { background: var(--white); padding: 40px; border-radius: 15px; box-shadow: var(--shadow); }
.info-card ul { list-style: none; margin-top: 30px; }
.info-card li { margin-bottom: 20px; display: flex; align-items: center; gap: 15px; font-size: 1.1rem; color: var(--gray); }

/* Orijinal WhatsApp Butonları ve İkonları */
.whatsapp-buttons { display: flex; flex-direction: column; gap: 15px; margin-top: 30px; padding-top: 25px; border-top: 1px solid #eee; }
.btn-wa, .btn-wa-channel { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 20px; border-radius: 8px; font-weight: 600; font-size: 1.05rem; text-align: center; transition: var(--transition); color: var(--white) !important; }
.btn-wa { background-color: #25D366; } /* Orijinal WhatsApp Yeşili */
.btn-wa:hover { background-color: #128C7E; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4); }
.btn-wa-channel { background-color: #075E54; } /* WhatsApp Koyu Tema Rengi */
.btn-wa-channel:hover { background-color: #054c44; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(7, 94, 84, 0.4); }

.icon-wa { display: flex; align-items: center; justify-content: center; }
.icon-wa svg { width: 24px; height: 24px; fill: currentColor; }

/* Contact Form */
.contact-form form { display: flex; flex-direction: column; gap: 20px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: var(--white); transition: var(--transition); font-size: 1rem; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1); }

/* Form Status Messages */
.form-status { margin-top: 15px; padding: 15px; border-radius: 8px; display: none; font-weight: 500; text-align: center; animation: fadeIn 0.5s ease; }
.form-status.success { display: block; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.form-status.error { display: block; background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

footer { background-color: var(--dark); color: #888; padding: 40px 0; }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.appear { opacity: 1; transform: translateY(0); }

/* RTL & Responsive */
html[dir="rtl"] .nav-links { flex-direction: row-reverse; }
html[dir="rtl"] .info-card li { flex-direction: row-reverse; text-align: right; }
@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .nav-container { flex-direction: column; gap: 20px; padding: 20px 0; }
    .navbar { background: rgba(255,255,255,0.95); position: relative;}
    .nav-links a, .logo { color: var(--dark); }
    .hero-content h1 { font-size: 2.8rem; }
    .styled-table th, .styled-table td { padding: 12px 10px; }
}