:root {
    /* Renk Paleti - Soft, Profesyonel ve Çekici */
    --ty-orange-vibrant: #f27a1a;  /* Cezbedici Gerçek Trendyol Turuncusu */
    --clean-blue-premium: #0099cc; /* Premium güven veren derin mavi */
    --clean-green-premium: #27ae60; /* Oturaklı, kaliteli doğa yeşili */
    
    /* Soft Arka Planlar */
    --bg-light-soft: #faf9f7; /* Hafif sıcak, soft krem arka plan */
    --bg-card-soft: #ffffff;  /* Kartlar için temiz, soft beyaz */
    
    /* Profesyonel Metin Renkleri */
    --dark-text-deep: #2f3542; /* Derin lacivert/gri profesyonel metin */
    --logo-soft-gray: #57606f; /* Çok yumuşak, faded professionnel gray-blue */
    --text-muted-soft: #636e72; /* Yumuşak ikincil metin */

    /* Üst Band (Header) Soft Su Yeşili */
    --header-soft-green: #e0f2f1; /* Hafif, ferah su yeşili */
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-font-smoothing: antialiased;
    margin: 0;
    background-color: var(--bg-light-soft); /* Genel soft arka plan */
    color: var(--dark-text-deep);
}

/* --- HEADER BÖLÜMÜ - Soft Su Yeşili Band --- */
header {
    background: rgba(224, 242, 241, 0.95); /* Soft su yeşili arka plan + şeffaflık */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 153, 204, 0.1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 5%;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    flex-wrap: wrap;
    gap: 15px;
}

header.scrolled .header-container {
    padding: 8px 5%;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 15px;
}

/* Arma (Icon) Büyütüldü */
.brand-icon {
    width: 80px;
    height: auto;
    transition: all 0.3s ease;
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

/* Logo Yazısı Boyutu - Yumuşak, Çekici Font ve Softer Renk */
.logo-text {
    font-size: 38px;
    font-weight: 700;
    color: var(--logo-soft-gray);
    letter-spacing: 2px;
    line-height: 1;
    text-shadow: none;
}

.logo-motto {
    font-size: 13px;
    color: var(--clean-green-premium);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

header.scrolled .brand-icon { width: 60px; }
header.scrolled .logo-text { font-size: 28px; }
header.scrolled .logo-motto { display: none; }

/* --- NAVİGASYON MENÜSÜ --- */
.main-nav {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: auto;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-text-deep);
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a i { color: var(--clean-blue-premium); }
.main-nav a:hover { color: var(--clean-blue-premium); }

/* Mağazamız Butonu - Çekici ve Cezbedici look */
.nav-store-btn {
    background-color: var(--ty-orange-vibrant);
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}
.nav-store-btn i { color: white !important; }
.nav-store-btn:hover {
    background-color: #e67212;
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(242, 122, 26, 0.3);
}

/* --- Sağ Üst Sosyal Medya Konteyneri --- */
.header-socials {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 15px; /* Mağaza butonundan ayırır */
    padding-left: 15px;
    border-left: 1px solid rgba(0, 153, 204, 0.2); /* Zarif bir ayrım çizgisi */
}

/* Bizi Takip Edin Yazısı */
.follow-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted-soft);
    margin-right: 5px;
}

/* Üst Sağ Sosyal Medya İkonları */
.social-icon-top {
    font-size: 17px;
    color: var(--dark-text-deep) !important; /* İkonun kendi rengi */
    transition: color 0.3s ease, transform 0.3s ease;
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5); /* Hafif beyaz zemin */
}

.social-icon-top:hover {
    transform: translateY(-2px);
    background: white;
}

.social-icon-top.instagram:hover i { color: #e1306c; }
.social-icon-top.linkedin:hover i { color: #0077b5; }


/* --- HERO (GİRİŞ) BÖLÜMÜ --- */
.hero-section {
    position: relative;
    max-width: 1300px;
    margin: 30px auto 60px;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.hero-slides {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active { opacity: 1; }

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(47, 53, 66, 0.5) 0%, rgba(0, 153, 204, 0.3) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding: 0 30px;
}

.hero-content h1 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 20px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
    color: var(--bg-card-soft);
}

.hero-content p {
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 30px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.4);
    color: rgba(255,255,255,0.9);
}

.btn-hero {
    display: inline-block;
    background: var(--bg-card-soft);
    color: var(--clean-blue-premium);
    padding: 14px 28px;
    font-size: 15px;
    font-weight: bold;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.btn-hero:hover {
    background: var(--clean-blue-premium);
    color: white;
    transform: translateY(-3px);
}

/* --- GENEL KONTEYNER --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

.page-section { margin-bottom: 80px; }

.section-main-title {
    text-align: center;
    font-size: 30px;
    font-weight: 800;
    color: var(--dark-text-deep);
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-main-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 4px;
    background-color: var(--clean-blue-premium);
    border-radius: 2px;
}

/* --- ÜRÜNLER KISMI CSS --- */
.category-header {
    background: var(--bg-card-soft);
    padding: 15px 25px;
    border-radius: 10px;
    border-left: 6px solid var(--clean-blue-premium);
    margin-bottom: 30px;
    font-size: 19px; font-weight: 700;
    display: flex; align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    color: var(--dark-text-deep);
}

.category-header i { margin-right: 15px; color: var(--clean-blue-premium); }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px; margin-bottom: 60px;
}

.product-card {
    background: var(--bg-card-soft); border-radius: 15px; overflow: hidden;
    transition: 0.3s ease; border: 1px solid #eaeaea;
    display: flex; flex-direction: column;
    box-shadow: 0 5px 15px rgba(0,0,0,0.01);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border-color: #e0e0e0;
}

.product-card img {
    width: 100%; height: 230px; object-fit: contain;
    padding: 20px; background: #fff; box-sizing: border-box;
}

.card-info {
    padding: 20px; text-align: center; flex-grow: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}

.card-info h3 {
    font-size: 14.5px; margin: 0; color: var(--dark-text-deep);
    font-weight: 600; line-height: 1.4;
}

.product-features {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 11.5px;
    color: var(--text-muted-soft);
    width: 100%;
}

.product-features span {
    display: flex; align-items: center; justify-content: center; gap: 6px;
}

.product-features i { color: var(--clean-green-premium); font-size: 13px; }

.btn-trendyol {
    background: var(--ty-orange-vibrant);
    color: white;
    text-decoration: none; text-align: center;
    padding: 15px; font-weight: bold; font-size: 13.5px;
    transition: all 0.3s ease; display: block;
}

.btn-trendyol:hover {
    background-color: #e67212;
    transform: scale(1.03);
    box-shadow: 0 4px 10px rgba(242, 122, 26, 0.3);
}
.btn-trendyol i { margin-right: 8px; }

/* --- SERTİFİKALAR BÖLÜMÜ CSS --- */
.certificates-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

.cert-card {
    background: var(--bg-card-soft); padding: 30px; border-radius: 20px;
    text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.02); border: 1px solid #eaeaea;
}

.cert-card h3 {
    font-size: 15.5px; color: var(--dark-text-deep);
    margin-top: 0; margin-bottom: 25px; line-height: 1.5;
}

.cert-card img {
    max-width: 100%; height: auto; border-radius: 10px;
    border: 1px solid #eaeaea; box-shadow: 0 5px 10px rgba(0,0,0,0.03);
}

/* --- HAKKIMIZDA KISMI CSS --- */
.about-content {
    background: var(--bg-card-soft); border-radius: 20px; padding: 40px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.02); border: 1px solid #eaeaea;
}

.text-block p {
    font-size: 15.5px; line-height: 1.7; color: var(--text-muted-soft); margin-bottom: 20px;
}

.text-block p strong { color: var(--clean-blue-premium); font-size: 16.5px; }

.brand-slogan {
    font-size: 21px; color: var(--dark-text-deep); text-align: center;
    font-weight: 800; margin: 40px 0; font-style: italic;
}

.mission-vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 40px; }

.mv-card {
    background: var(--bg-light-soft); padding: 30px; border-radius: 15px;
    border-top: 4px solid var(--clean-blue-premium); transition: 0.3s ease;
    border: 1px solid #eaeaea;
}

.mv-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.03); }
.mv-icon { font-size: 32px; color: var(--clean-blue-premium); margin-bottom: 15px; }
.mv-card h3 { font-size: 19px; margin-top: 0; margin-bottom: 15px; color: var(--dark-text-deep); }
.mv-card p { font-size: 14px; line-height: 1.6; color: var(--text-muted-soft); margin-bottom: 10px; }

/* --- FOOTER / İLETİŞİM KISMI --- */
footer {
    background-color: var(--dark-text-deep); color: white;
    padding: 60px 20px 20px; margin-top: 60px;
}

.footer-container {
    max-width: 1200px; margin: 0 auto; display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; margin-bottom: 40px;
}

.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer-logo-img { width: 60px; background: white; padding: 5px; border-radius: 10px; margin-bottom: 15px; }
.footer-brand h2 { color: var(--bg-card-soft); margin: 0 0 10px 0; letter-spacing: 2px; font-size: 20px; }
.footer-brand p { color: #aaaaaa; font-style: italic; font-size: 13.5px; }

.footer-contact h3, .footer-social h3 {
    color: white; margin-top: 0; margin-bottom: 20px; font-size: 17px;
    border-bottom: 2px solid var(--clean-blue-premium); padding-bottom: 10px; display: inline-block;
}

.footer-contact ul { list-style: none; padding: 0; margin: 0; }
.footer-contact ul li {
    display: flex; align-items: flex-start; margin-bottom: 15px; gap: 15px; color: #cccccc; font-size: 13.5px; line-height: 1.5;
}

.footer-contact ul li i { color: var(--clean-blue-premium); font-size: 16px; margin-top: 2px; }
.footer-contact ul li a { color: #cccccc; text-decoration: none; transition: 0.3s; }
.footer-contact ul li a:hover { color: var(--clean-blue-premium); }

.social-links { display: flex; gap: 15px; }

.social-btn {
    width: 42px; height: 42px; background: rgba(255, 255, 255, 0.08); color: white;
    display: flex; align-items: center; justify-content: center; border-radius: 50%;
    font-size: 18px; text-decoration: none; transition: all 0.3s ease;
}

.social-btn:hover { background: var(--clean-blue-premium); transform: translateY(-3px); }

.footer-bottom {
    text-align: center; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 12.5px; color: #888888;
}

/* --- RESPONSIVE TASARIM (Mobil Cihazlarda Bozulmaması İçin) --- */
@media (max-width: 900px) {
    .header-container { flex-direction: column; justify-content: center; }
    .main-nav { margin-left: 0; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 10px; }
    
    /* Sosyal medya mobilde alt satıra veya merkeze düzgün yerleşsin */
    .header-socials { 
        margin-left: 0; 
        padding-left: 0; 
        border-left: none; 
        width: 100%; 
        justify-content: center; 
        margin-top: 5px; 
    }
    
    .hero-section { margin: 15px; border-radius: 15px; }
    .mission-vision-grid { grid-template-columns: 1fr; }
    .certificates-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .header-container { padding: 15px; }
    .brand-icon { width: 50px; } 
    .logo-text { font-size: 26px; letter-spacing: 1.5px; }
    .logo-motto { display: none; }
    .main-nav { gap: 8px; flex-direction: column; align-items: center; }
    .main-nav a { font-size: 13.5px; }
    .nav-store-btn { padding: 8px 16px; font-size: 13.5px; }
    
    .follow-text { font-size: 12px; }
    .social-icon-top { width: 28px; height: 28px; font-size: 14px; }

    .hero-content h1 { font-size: 28px; }
    .hero-content p { font-size: 14px; }
    .hero-section { height: 50vh; max-width: 95%; margin: 15px auto; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
    
    .about-content { padding: 20px; }
    .card-info h3 { font-size: 12.5px; }
    .btn-trendyol { padding: 12px; font-size: 11.5px; }
}