/* ==========================================================================
   MERSIMA - PREMIUM EXPORT & CONSULTANCY STYLE CODES
   Colors: Emerald Green (#053225), Gold (#C59B46), Light (#FAF9F6)
   ========================================================================== */

:root {
    --primary-green: #053225;
    --accent-gold: #C59B46;
    --gold-hover: #DDB462;
    --bg-light: #FAF9F6;
    --bg-white: #FFFFFF;
    --text-dark: #222222;
    --text-muted: #555555;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    --transition-smooth: all 0.3s ease-in-out;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background-color: var(--bg-light); color: var(--text-dark); line-height: 1.7; font-size: 16px; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }

/* Header & Navigation (FLEXBOX İLE GÜNCELLENDİ) */
.header-nav { background-color: var(--primary-green); border-bottom: 2px solid var(--accent-gold); position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; width: 100%; position: relative; }
.logo-block { display: block; width: auto; }
.logo-block img { max-height: 55px; display: block; }
.menu-block { display: block; }
.menu-block ul { list-style: none; display: flex; align-items: center; margin: 0; padding: 0; }
.menu-block ul li { margin-left: 25px; }
.menu-block ul li a { color: #FFFFFF; text-decoration: none; font-weight: 500; font-size: 14px; letter-spacing: 0.5px; transition: var(--transition-smooth); text-transform: uppercase; }
.menu-block ul li a:hover, .menu-block ul li a.active { color: var(--accent-gold); }
.menu-block ul li a.btn-nav { border: 1px solid var(--accent-gold); padding: 8px 18px; border-radius: 3px; color: var(--accent-gold); }
.menu-block ul li a.btn-nav:hover { background-color: var(--accent-gold); color: var(--primary-green); }

/* Mobil Menü Butonu (Sadece mobilde görünür) */
.mobile-menu-btn { display: none; font-size: 28px; color: var(--accent-gold); cursor: pointer; user-select: none; }

/* Hero Section */
.hero-section { background-color: var(--primary-green); color: #FFFFFF; padding: 100px 0; text-align: center; border-bottom: 4px solid var(--accent-gold); }
.hero-section h1 { font-family: var(--font-heading); font-size: 2.8rem; color: var(--accent-gold); margin-bottom: 20px; font-weight: 600; }
.hero-section p { font-size: 1.2rem; max-width: 800px; margin: 0 auto 35px auto; font-weight: 300; opacity: 0.9; }
.btn-primary { display: inline-block; background-color: var(--accent-gold); color: var(--primary-green); text-decoration: none; padding: 14px 32px; font-weight: 600; border-radius: 3px; text-transform: uppercase; font-size: 14px; letter-spacing: 1px; transition: var(--transition-smooth); }
.btn-primary:hover { background-color: var(--gold-hover); transform: translateY(-2px); }

/* Main Sections */
.section-padding { padding: 80px 0; }
.section-title { text-align: center; font-family: var(--font-heading); color: var(--primary-green); font-size: 2.2rem; margin-bottom: 15px; position: relative; }
.section-title::after { content: ''; display: block; width: 60px; height: 3px; background-color: var(--accent-gold); margin: 12px auto 0 auto; }
.section-subtitle { text-align: center; color: var(--text-muted); max-width: 650px; margin: 0 auto 50px auto; font-size: 1.05rem; }

/* Grid & Cards */
.grid-three { display: block; font-size: 0; text-align: center; }
.card-item { display: inline-block; vertical-align: top; font-size: 16px; width: 31%; margin: 1%; background-color: var(--bg-white); border-top: 4px solid var(--accent-gold); padding: 35px 25px; text-align: left; box-shadow: 0 4px 15px rgba(0,0,0,0.03); transition: var(--transition-smooth); }
.card-item:hover { transform: translateY(-8px); box-shadow: 0 12px 25px rgba(5, 50, 37, 0.08); }
.card-item h3 { font-family: var(--font-heading); color: var(--primary-green); font-size: 1.4rem; margin-bottom: 15px; }
.card-item p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* Inner Page Styles */
.content-block { background-color: var(--bg-white); padding: 45px; box-shadow: 0 4px 15px rgba(0,0,0,0.02); border-left: 5px solid var(--primary-green); margin-bottom: 30px; }
.content-block h2 { font-family: var(--font-heading); color: var(--primary-green); margin-bottom: 20px; }

/* Products */
.product-grid { display: block; font-size: 0; }
.product-box { display: inline-block; vertical-align: top; font-size: 16px; width: 23%; margin: 1%; background: var(--bg-white); border: 1px solid #EAEAEA; padding: 15px; text-align: center; transition: var(--transition-smooth); }
.product-box:hover { border-color: var(--accent-gold); }
.product-box .img-placeholder { background-color: #EEEEEE; height: 180px; margin-bottom: 15px; line-height: 180px; color: #999999; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
.product-box h4 { font-size: 1rem; color: var(--primary-green); margin-bottom: 5px; }

/* Contact Form & Info */
.contact-wrapper { display: table; width: 100%; }
.contact-info, .contact-form { display: table-cell; width: 50%; vertical-align: top; padding: 20px; }
.info-item { margin-bottom: 25px; }
.info-item h4 { color: var(--primary-green); font-size: 1.1rem; margin-bottom: 5px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.9rem; font-weight: 500; }
.form-control { width: 100%; padding: 12px; border: 1px solid #CCCCCC; border-radius: 3px; font-family: var(--font-body); font-size: 0.95rem; transition: var(--transition-smooth); }
.form-control:focus { outline: none; border-color: var(--primary-green); box-shadow: 0 0 5px rgba(5, 50, 37, 0.2); }

/* Footer */
.main-footer { background-color: var(--primary-green); color: #FFFFFF; padding: 40px 0; border-top: 3px solid var(--accent-gold); font-size: 0.9rem; }
.footer-container { display: flex; justify-content: space-between; align-items: center; }
.footer-right a { color: #FFFFFF; text-decoration: none; margin-left: 15px; transition: var(--transition-smooth); }
.footer-right a:hover { color: var(--accent-gold); }
.lang-switcher { display: inline-block; background-color: rgba(255,255,255,0.1); padding: 5px 15px; border-radius: 20px; border: 1px solid rgba(197, 155, 70, 0.3); }
.lang-switcher a { color: #ccc; text-decoration: none; font-weight: 600; margin: 0 5px; font-size: 13px; transition: var(--transition-smooth); }
.lang-switcher a:hover { color: #fff; }
.lang-switcher a.active { color: var(--accent-gold); }
.lang-separator { color: #666; margin: 0 2px; }

/* ==================================================
   MOBİL UYUM (RESPONSIVE & HAMBURGER MENÜ) 
   ================================================== */
@media (max-width: 900px) { 
    .card-item, .product-box { width: 48%; } 
}

@media (max-width: 768px) {
    /* Mobil Menü Ayarları */
    .mobile-menu-btn { display: block; }
    
    .menu-block {
        display: none; /* Mobilde ilk başta gizli */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-green);
        border-top: 2px solid var(--accent-gold);
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }
    
    .menu-block.show {
        display: block; /* Hamburger butona basılınca görünür */
    }

    .menu-block ul {
        flex-direction: column;
        padding: 20px 0;
    }

    .menu-block ul li {
        margin: 15px 0;
        padding: 0;
        border-left: none !important; /* Dil çizgilerini mobilde kaldırır */
        text-align: center;
    }

    .hero-section h1 { font-size: 2.2rem; }
    .footer-container { flex-direction: column; text-align: center; gap: 20px; }
    .footer-right a { display: inline-block; margin: 5px 10px; }
}

@media (max-width: 600px) {
    .contact-info, .contact-form { display: block; width: 100%; text-align: center; margin-bottom: 20px; }
    .card-item, .product-box { width: 98%; margin: 1% 0; }
}