/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Roboto:wght@400;700&display=swap');

/* --- CSS Değişkenleri (Yeniden Tasarım) --- */
:root {
    --primary-green: #2ecc71; /* Daha Canlı Yeşil */
    --secondary-green: #27ae60;
    --dark-blue: #2c3e50;    /* Koyu Mavi/Gri (Metin) */
    --text-light: #7f8c8d;   /* Açık Gri (Metin) */
    --bg-light: #ecf0f1;     /* Çok Açık Gri (Arka Plan) */
    --border-color: #bdc3c7;
    --white: #ffffff;
    --yellow: #f1c40f;
    --box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 0.75rem; /* Hafifçe daha yuvarlak kenarlar */
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Genel Stiller ve Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--white);
    color: var(--dark-blue);
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    overflow-x: hidden; /* Yatay scroll'u engelle */
}
a { text-decoration: none; color: var(--primary-green); transition: var(--transition); }
a:hover { color: var(--secondary-green); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 15px; padding-right: 15px; }
section { padding: 100px 0; position: relative; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-family: 'Poppins', sans-serif; font-size: 42px; color: var(--dark-blue); font-weight: 700; margin-bottom: 15px; position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--primary-green); margin: 15px auto 0; border-radius: 2px; }
.section-title p { font-size: 18px; color: var(--text-light); max-width: 650px; margin: 0 auto; }

/* --- Animasyonlar --- */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Buton Stilleri --- */
.btn { display: inline-block; padding: 15px 35px; border-radius: 50px; font-weight: 700; font-size: 16px; cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-align: center; text-transform: uppercase; letter-spacing: 1px; }
.btn-primary { background-color: var(--primary-green); color: var(--white); box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4); }
.btn-primary:hover { background-color: var(--secondary-green); transform: translateY(-3px) scale(1.05); box-shadow: 0 6px 20px rgba(46, 204, 113, 0.5); }
.btn-secondary { background-color: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-secondary:hover { background-color: var(--white); color: var(--dark-blue); }

/* --- Header & Navigation --- */
header { background-color: rgba(255, 255, 255, 0.95); box-shadow: 0 2px 10px rgba(0,0,0,0.08); padding: 15px 0; position: sticky; top: 0; z-index: 1000; width: 100%; backdrop-filter: blur(5px); }
.navbar { display: flex; justify-content: space-between; align-items: center; }
.nav-logo a { font-family: 'Poppins', sans-serif; font-size: 26px; font-weight: 800; color: var(--dark-blue); display: flex; align-items: center; gap: 10px; }
.nav-logo i { color: var(--primary-green); font-size: 28px; }
.nav-links { list-style: none; display: flex; gap: 40px; }
.nav-links a { color: var(--dark-blue); font-weight: 700; position: relative; padding-bottom: 8px; font-size: 15px; text-transform: uppercase; letter-spacing: 0.5px; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background-color: var(--primary-green); transition: width 0.4s; border-radius: 2px; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--primary-green); }
.nav-actions .phone { display: none; } /* Gizlendi, isteğe bağlı açılabilir */
.hamburger { display: none; cursor: pointer; font-size: 28px; color: var(--dark-blue); }

/* --- Hero Section --- */
.hero { display: flex; align-items: center; position: relative; height: 95vh; background-size: cover; background-position: center; background-attachment: fixed; }
.hero::after { content: ''; position: absolute; inset: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(44, 62, 80, 0.8) 0%, rgba(44, 62, 80, 0.4) 100%); }
.hero .hero-container { padding: 0 15px; }
.hero .hero-content { text-align: center; max-width: 800px; margin: 0 auto; position: relative; z-index: 12; animation: fadeInUp 1s ease-out; }
.hero .hero-content h1 { color: var(--white); text-shadow: 0px 3px 8px rgba(0, 0, 0, 0.6); font-family: 'Poppins', sans-serif; font-size: 64px; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.hero .hero-content p { color: var(--bg-light); font-size: 22px; margin-bottom: 40px; }
.hero .btn-group { display: flex; gap: 20px; align-items: center; justify-content: center; }

/* --- Diğer Bölümler --- */
.why-us-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.why-us-card { text-align: center; padding: 40px 30px; background-color: var(--white); border-radius: var(--border-radius); transition: var(--transition); border-bottom: 4px solid transparent; }
.why-us-card:hover { transform: translateY(-12px); box-shadow: var(--box-shadow); border-bottom-color: var(--primary-green); }
.why-us-card .icon { font-size: 48px; color: var(--primary-green); margin-bottom: 25px; transition: var(--transition); }
.why-us-card:hover .icon { transform: scale(1.2) rotate(10deg); }
.why-us-card h3 { font-family: 'Poppins', sans-serif; font-size: 24px; margin-bottom: 15px; color: var(--dark-blue); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }
.product-card { background: var(--white); border-radius: var(--border-radius); box-shadow: 0 4px 15px rgba(0,0,0,0.05); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); position: relative; }
.product-card:hover { transform: translateY(-10px); box-shadow: var(--box-shadow); }
.product-card-image { overflow: hidden; height: 250px; }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-image img { transform: scale(1.1); }
.product-card-content { padding: 30px; flex-grow: 1; text-align: center; }
.product-card-content h3 { font-family: 'Poppins', sans-serif; font-size: 22px; color: var(--dark-blue); }

.page-header { padding: 80px 0; background: linear-gradient(45deg, var(--primary-green), var(--secondary-green)); text-align: center; }
.page-header h1 { font-family: 'Poppins', sans-serif; font-size: 48px; color: var(--white); font-weight: 700; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }

.about-content-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content-wrapper img { border-radius: var(--border-radius); box-shadow: var(--box-shadow); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background-color: var(--white); }
.contact-info-item { display: flex; gap: 20px; align-items: center; margin-bottom: 30px; }
.contact-info-item .icon { font-size: 28px; color: var(--primary-green); width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background-color: var(--bg-light); transition: var(--transition); }
.contact-info-item:hover .icon { background-color: var(--primary-green); color: var(--white); }
.contact-info-item h4 { font-family: 'Poppins', sans-serif; font-size: 20px; color: var(--dark-blue); margin-bottom: 5px; }
.contact-map iframe { width: 100%; height: 100%; min-height: 420px; border-radius: var(--border-radius); border: 2px solid var(--bg-light); }

footer { background-color: var(--dark-blue); color: #95a5a6; padding: 80px 0 25px 0; }
.footer-container { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; }
.footer-col h4 { font-family: 'Poppins', sans-serif; font-size: 20px; color: var(--white); margin-bottom: 30px; font-weight: 600; position: relative; }
.footer-col h4::after { content: ''; display: block; width: 40px; height: 3px; background: var(--primary-green); margin-top: 10px; }
.footer-col .logo-text { font-size: 22px; font-weight: 700; color: var(--white); display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.footer-col .logo-text i { color: var(--primary-green); }
.footer-col p, .footer-col li { margin-bottom: 15px; line-height: 1.9; }
.footer-col ul { list-style: none; }
.footer-col ul a { color: #95a5a6; }
.footer-col ul a:hover { color: var(--white); padding-left: 8px; }
.footer-col .contact-info i { color: var(--primary-green); margin-right: 12px; width: 22px; text-align: center; }
.footer-social { margin-top: 25px; display: flex; gap: 15px; }
.footer-social a { color: var(--bg-light); background-color: rgba(255,255,255,0.1); width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; font-size: 20px; border-radius: 50%; }
.footer-social a:hover { background-color: var(--primary-green); color: var(--white); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid #34495e; margin-top: 50px; padding-top: 25px; text-align: center; font-size: 14px; color: #7f8c8d; }
.footer-bottom a { font-weight: 600; color: var(--white); }
.whatsapp-fab { position: fixed; bottom: 30px; right: 30px; background-color: #25D366; color: var(--white); width: 65px; height: 65px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 36px; box-shadow: 0 8px 20px rgba(0,0,0,0.25); z-index: 999; transition: var(--transition); }
.whatsapp-fab:hover { transform: scale(1.1) rotate(10deg); box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5); }

/* --- Responsive Tasarım --- */
@media (max-width: 1024px) {
    .nav-links { gap: 25px; }
    .footer-container { grid-template-columns: repeat(2, 1fr); }
    .hero .hero-content h1 { font-size: 52px; }
    .why-us-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    section { padding: 70px 0; }
    .section-title h2 { font-size: 34px; }
    .nav-links { display: none; flex-direction: column; width: 100%; background-color: var(--white); position: absolute; top: 84px; left: 0; padding: 20px 0; text-align: center; box-shadow: 0 10px 15px rgba(0,0,0,0.1); gap: 0; border-top: 1px solid var(--bg-light); }
    .nav-links.active { display: flex; }
    .nav-links li { padding: 15px 0; width: 100%; }
    .nav-links a:hover { background-color: var(--bg-light); }
    .nav-links a::after { display: none; }
    .hamburger { display: block; }
    .hero { height: 80vh; background-attachment: scroll; }
    .hero .hero-content h1 { font-size: 40px; }
    .hero .hero-content p { font-size: 18px; }
    .about-content-wrapper, .contact-grid { grid-template-columns: 1fr; }
    .contact-grid { padding: 0; }
    .footer-container { grid-template-columns: 1fr; }
}