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

:root {
    /* KURUMSAL RENKLER */
    --bg-white: #ffffff;
    --bg-light: #f4f6f8;
    --brand-dark: #0B1623; /* Lacivert */
    --brand-gold: #BF9B5F; /* Altın */
    --text-dark: #1d1d1f;
    --text-grey: #666666;
    --border: #e0e0e0;
    --container: 1320px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-white);
    color: var(--text-dark);
    font-family: 'Manrope', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Layout */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.grid { display: grid; gap: 30px; }

/* Butonlar */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border: 1px solid var(--brand-dark);
    background: transparent;
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}
.btn:hover { background: var(--brand-dark); color: #fff; }

.btn-primary { 
    background: var(--brand-dark); 
    color: #fff; 
    border-color: var(--brand-dark); 
}
.btn-primary:hover { 
    background: var(--brand-gold); 
    border-color: var(--brand-gold); 
    color: #fff; 
}

/* --- HEADER & MENU --- */
header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    backdrop-filter: blur(10px);
}
nav { display: flex; justify-content: space-between; align-items: center; }

/* CSS Logo Tasarımı */
.logo {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
    text-decoration: none;
}
.logo-ice {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 32px;
    color: var(--brand-gold);
    letter-spacing: -1px;
}
.logo-sub {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 10px;
    color: var(--brand-dark);
    letter-spacing: 3.5px;
    text-transform: uppercase;
    margin-left: 2px;
}

/* Nav Linkleri (Desktop) */
.nav-links { display: flex; gap: 40px; align-items: center; }
.nav-links a { 
    font-size: 14px; 
    font-weight: 600; 
    color: var(--brand-dark); 
    text-transform: uppercase; 
    position: relative;
}
.nav-links a:not(.btn)::after {
    content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
    background: var(--brand-gold); transition: var(--transition);
}
.nav-links a:not(.btn):hover::after { width: 100%; }
.nav-links a:not(.btn):hover { color: var(--brand-gold); }

/* Mobil Menü Butonu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}
.bar {
    width: 30px;
    height: 2px;
    background-color: var(--brand-dark);
    transition: 0.3s ease;
}

/* --- HERO SECTION --- */
.hero {
    height: 80vh;
    /* Hero arka planı - JS veya HTML'den override edilebilir */
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-bottom: 60px;
}
.hero-content h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 300; margin-bottom: 20px; line-height: 1.2; }
.hero-content strong { font-weight: 800; color: #fff; }

/* --- GRID & CARDS --- */
.product-grid { 
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    row-gap: 50px; 
}
.product-card { 
    cursor: pointer; 
    position: relative;
}
.card-img-wrap {
    background: #f0f0f0;
    aspect-ratio: 4/3;
    overflow: hidden;
    position: relative;
    margin-bottom: 20px;
}
.card-img-wrap img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
}
.product-card:hover .card-img-wrap img { transform: scale(1.05); }

.card-info { 
    text-align: left; 
    border-left: 2px solid transparent; 
    padding-left: 15px; 
    transition: var(--transition); 
}
.product-card:hover .card-info { border-left-color: var(--brand-gold); }
.card-cat { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--brand-gold); letter-spacing: 1px; display: block; margin-bottom: 5px; }
.card-title { font-size: 20px; font-weight: 700; color: var(--brand-dark); margin: 0 0 10px 0; }
.card-desc { font-size: 14px; color: var(--text-grey); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Filters */
.filters { display: flex; gap: 10px; justify-content: center; padding: 40px 0; flex-wrap: wrap; }
.filter-btn {
    border: 1px solid var(--border); background: #fff; padding: 12px 28px;
    font-size: 13px; font-weight: 600; color: #555; cursor: pointer; text-transform: uppercase; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--brand-dark); color: #fff; border-color: var(--brand-dark); }

/* --- DETAIL PAGE --- */
.detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; padding: 60px 0; }
.detail-content h1 { font-size: 38px; color: var(--brand-dark); margin-bottom: 20px; }
.spec-row { display: flex; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-key { font-weight: 700; color: var(--brand-dark); }

.thumbs { display: flex; gap: 15px; margin-top: 20px; overflow-x: auto; padding-bottom: 5px; }
.thumb { width: 80px; height: 80px; flex-shrink: 0; cursor: pointer; border: 2px solid transparent; border-radius: 4px; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.active { border-color: var(--brand-dark); opacity: 1; }

/* Contact Page */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.info-box { background: var(--bg-light); padding: 30px; margin-bottom: 20px; border-left: 3px solid var(--brand-gold); }
.info-box h5 { color: var(--brand-dark); font-weight: 800; margin-bottom: 10px; letter-spacing: 1px; }
.form-input { width: 100%; padding: 15px; margin-bottom: 20px; border: 1px solid #ddd; font-family: inherit; font-size: 14px; background: #fff; color: #333; }
.form-input:focus { border-color: var(--brand-gold); outline: none; }

/* --- PREMIUM & AI SEO FOOTER --- */
footer {
    background-color: var(--brand-dark); /* Koyu Lacivert */
    color: #fff;
    padding-top: 80px;
    margin-top: auto; /* Sayfanın en altına iter */
    font-size: 14px;
    border-top: 4px solid var(--brand-gold); /* Altın Çizgi Detayı */
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr; /* 4 Sütunlu Yapı */
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Sütun Başlıkları */
.footer-col h4 {
    color: var(--brand-gold);
    font-family: 'Manrope', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Footer Metinleri */
.footer-desc {
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 25px;
    max-width: 300px;
}

/* Linkler ve Listeler */
.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #fff;
    opacity: 0.7;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links a:hover {
    color: var(--brand-gold);
    opacity: 1;
    transform: translateX(5px); /* Sağa kayma efekti */
}

/* Adres ve İletişim (Address Tag Stili) */
.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    opacity: 0.8;
}
.footer-contact strong {
    color: #fff;
    font-weight: 600;
    min-width: 70px; /* Hizalama için */
}

/* Alt Telif Alanı */
.footer-bottom {
    padding: 25px 0;
    text-align: center;
    font-size: 12px;
    opacity: 0.5;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Mobil Uyumluluk */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr; /* Tablette 2 sütun */
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr; /* Mobilde tek sütun */
        gap: 30px;
        text-align: center;
    }
    .footer-desc { margin: 0 auto 20px auto; }
    .footer-bottom { flex-direction: column; gap: 10px; }
    .footer-links a:hover { transform: none; }
}
/* --- RESPONSIVE --- */
@media(max-width: 768px) {
    .logo-ice { font-size: 26px; }
    .logo-sub { font-size: 8px; }
    .mobile-toggle { display: flex; }
    
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 85%; height: 100vh;
        background: #fff; flex-direction: column; justify-content: center;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1); transition: 0.4s ease; z-index: 999;
    }
    .nav-links.active { right: 0; }
    .nav-links a { font-size: 18px; margin: 10px 0; width: 100%; text-align: center; }
    
    .mobile-toggle.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .mobile-toggle.active .bar:nth-child(2) { opacity: 0; }
    .mobile-toggle.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
    
    .detail-grid, .contact-wrapper { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 32px; }
}
/* --- PREMIUM TOP BAR (YENİ) --- */
.top-bar {
    background-color: var(--brand-dark); /* Lacivert Zemin */
    color: rgba(255, 255, 255, 0.8);
    font-size: 11px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1002;
}

.top-bar-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-info {
    display: flex;
    gap: 20px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.top-info a {
    color: #fff;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-info a:hover { color: var(--brand-gold); }

/* Mobilde Top Bar Düzeni */
@media (max-width: 768px) {
    .top-bar { display: none; } /* Mobilde kalabalık yapmasın diye gizleyebiliriz veya sadeleştirebiliriz */
}

/* --- GELİŞMİŞ HEADER GÜNCELLEMESİ --- */
header {
    top: 0; /* Sticky olması için */
    box-shadow: 0 4px 20px rgba(0,0,0,0.04); /* Hafif gölge ile havada durma hissi */
}

.nav-links .btn-primary {
    padding: 10px 25px;
    font-size: 12px;
    border-radius: 0;
    background: var(--brand-dark);
    color: #fff;
    margin-left: 20px; /* Menüden ayrışsın */
}

.nav-links .btn-primary:hover {
    background: var(--brand-gold);
    border-color: var(--brand-gold);
    color: #fff;
}