:root {
    --primary: #e67e22; /* İştah açıcı turuncu */
    --dark: #2c3e50;
    --light: #f4f4f4;
    --white: #ffffff;
}

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

body { font-family: 'Poppins', sans-serif; line-height: 1.6; color: var(--dark); background: var(--white); scroll-behavior: smooth; }

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

/* Header */
header { background: var(--white); padding: 20px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 700; color: var(--dark); }
.logo span { color: var(--primary); }
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 20px; }
nav ul li a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 14px; }

/* Hero Section */
.hero { background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?auto=format&fit=crop&w=1200&q=80'); 
        height: 80vh; background-size: cover; background-position: center; display: flex; align-items: center; color: var(--white); text-align: center; }
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 700px; margin-inline: auto; }

/* Buttons */
.btn-primary { background: var(--primary); color: white; padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; }
.btn-secondary { background: transparent; border: 2px solid white; color: white; padding: 10px 25px; text-decoration: none; border-radius: 5px; margin-left: 10px; }

/* Features */
.features { padding: 80px 0; text-align: center; }
.section-title { margin-bottom: 50px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.feature-card { padding: 30px; background: var(--light); border-radius: 10px; transition: 0.3s; }
.feature-card:hover { transform: translateY(-10px); background: #fff; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.feature-card .icon { font-size: 40px; margin-bottom: 15px; }

/* Contact Form */
.contact { background: var(--dark); color: white; padding: 80px 0; text-align: center; }
.contact-box { max-width: 500px; margin: auto; }
form { margin-top: 30px; display: flex; flex-direction: column; }
input { padding: 15px; margin-bottom: 15px; border-radius: 5px; border: none; }
.btn-submit { background: var(--primary); color: white; padding: 15px; border: none; border-radius: 5px; cursor: pointer; font-size: 16px; font-weight: bold; }
.success-msg { color: #2ecc71; margin-bottom: 15px; font-weight: bold; }

footer { padding: 30px; text-align: center; background: #1a252f; color: #7f8c8d; font-size: 14px; }

/* Mobile Optimization */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    nav ul { display: none; }
}