@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Poppins:wght@300;400;600;800&display=swap');

:root {
    /* --- DARK MODE (Varsayılan) --- */
    --bg-color: #000000;
    --text-color: #ffffff;
    --nav-bg: #000000;
    --footer-bg: #050505;
    --card-bg: #0a0a0a;
    --neon-blue: #00d4ff;
    --gradient: linear-gradient(90deg, #00d4ff 0%, #000000 100%);
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode {
    /* --- WHITE MODE --- */
    --bg-color: #ffffff;
    --text-color: #000000;
    --nav-bg: #ffffff;
    --footer-bg: #f8f9fa;
    --card-bg: #ffffff;
    --gradient: linear-gradient(90deg, #00d4ff 0%, #ffffff 100%);
    --border-color: rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    transition: background-color var(--transition), color var(--transition);
    margin: 0;
    overflow-x: hidden;
}

/* --- PROFESYONEL HEADER & NAV --- */
.navbar {
    background: var(--nav-bg) !important;
    border-bottom: 3px solid var(--neon-blue);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 12px 0;
    z-index: 1050;
}

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--neon-blue));
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--neon-blue) !important;
    transform: translateY(-2px);
}

/* --- SOL YAN MENÜ (DİNAMİK) --- */
.side-menu-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.side-link {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    font-size: 0.85rem;
    font-weight: 600;
}

.side-link:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--neon-blue);
    padding-left: 28px;
}

.side-link i {
    width: 25px;
    color: var(--neon-blue);
}

/* --- PRODUCT CARD (CAFCAFLI) --- */
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.product-card:hover {
    border-color: var(--neon-blue);
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
}

.product-img-container {
    background: rgba(255,255,255,0.02);
    padding: 25px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

/* --- BUTONLAR --- */
.btn-neon-sm {
    background: var(--gradient) !important;
    color: var(--text-color) !important;
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    padding: 10px 20px;
    border: 1px solid var(--neon-blue);
    border-radius: 6px;
    text-decoration: none;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    font-size: 0.75rem;
}

.btn-neon-sm:hover {
    box-shadow: 0 0 30px var(--neon-blue);
    filter: brightness(1.2);
}

/* --- MOBİL UYUM (RESPONSIVE) --- */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    display: none;
    justify-content: space-around;
    padding: 12px 0;
    border-top: 2px solid var(--neon-blue);
    z-index: 1000;
    backdrop-filter: blur(15px);
}

@media (max-width: 991.98px) {
    .mobile-bottom-nav { display: flex; }
    body { padding-bottom: 75px; } /* Alt menü için boşluk */
    .hero-box { height: 350px !important; }
    .display-4 { font-size: 2.2rem !important; }
}

/* --- BLOG & YORUM ÖZEL --- */
.testimonial-box {
    background: rgba(255,255,255,0.03);
    border-left: 4px solid var(--neon-blue);
    padding: 25px;
    border-radius: 0 15px 15px 0;
    height: 100%;
}

.blog-badge {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: var(--neon-blue);
    color: #000;
    padding: 4px 12px;
    font-family: 'Orbitron';
    font-size: 0.65rem;
    font-weight: 900;
    border-radius: 4px;
}

/* TEMA & WHATSAPP SWITCH */
#theme-switch {
    position: fixed;
    bottom: 85px;
    right: 25px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--nav-bg);
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--neon-blue);
}

/* --- FOOTER (GÜÇLÜ) --- */
footer {
    background: var(--footer-bg);
    border-top: 3px solid var(--neon-blue);
    padding: 60px 0 30px 0;
}

/* --- HAMBURGER MENU (TOGGLER) DÜZELTME --- */
.navbar-toggler {
    border: none !important;
    padding: 0;
    outline: none !important;
    box-shadow: none !important;
}

/* Hamburger Çizgilerini Renklendir (FontAwesome kullanıyorsan) */
.navbar-toggler i {
    color: var(--neon-blue) !important; /* Standart Neon Mavi */
    font-size: 1.8rem;
    filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.5));
    transition: var(--transition);
}

.navbar-toggler:hover i {
    color: #ffffff !important; /* Üzerine gelince beyaz olsun */
    filter: drop-shadow(0 0 10px var(--neon-blue));
}

/* Eğer Bootstrap'in kendi ikonunu kullanıyorsan (Alternatif) */
.navbar-toggler-icon {
    filter: invert(1) sepia(1) saturate(5) hue-rotate(175deg); /* Bootstrap ikonunu maviye boyar */
}

/* Light Mode'da Hamburger Rengi (Opsiyonel) */
body.light-mode .navbar-toggler i {
    color: #000000 !important;
}

/* --- MOBİL ALT NAVİGASYON (GÜNCEL) --- */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg); /* Dark modda simsiyah, Light modda bembeyaz */
    display: none; /* Masaüstünde gizli */
    grid-template-columns: repeat(3, 1fr); /* 3 eşit parça */
    padding: 10px 0 12px 0;
    border-top: 2px solid var(--neon-blue);
    z-index: 2000;
    backdrop-filter: blur(15px);
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.5);
}

.mobile-bottom-nav a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-bottom-nav a i {
    font-size: 1.4rem; /* İkon boyutu */
    margin-bottom: 4px; /* İkon ile yazı arasındaki boşluk */
    transition: 0.3s;
}

.mobile-bottom-nav a small {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.75rem; /* Yazı boyutu */
    text-transform: capitalize;
}

/* Aktif veya Hover Durumu (Neon Parlama) */
.mobile-bottom-nav a:hover, 
.mobile-bottom-nav a.active {
    color: var(--neon-blue) !important;
}

.mobile-bottom-nav a:hover i {
    transform: translateY(-3px);
    text-shadow: 0 0 10px var(--neon-blue);
}

@media (max-width: 991.98px) {
    .mobile-bottom-nav {
        display: grid; /* Mobilde aktif et */
    }
}

/* --- MOBİL OFFCANVAS (YAN MENÜ) DÜZELTME --- */
.offcanvas-body {
    padding-top: 20px !important;
}

/* Her bir menü öğesini tam satır yap ve hizala */
.mobile-nav-categories .accordion-item {
    background: transparent !important;
    border: none !important;
    margin-bottom: 5px;
}

/* Kategori Butonları ve Linkleri */
.m-single-link, .accordion-button {
    display: flex !important; /* Esnek kutu yapısı */
    align-items: center !important; /* Dikeyde ortala */
    width: 100% !important; /* Tam genişlik */
    padding: 15px 20px !important;
    text-decoration: none !important;
    color: #ffffff !important;
    background: transparent !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    transition: 0.3s ease;
}

/* Üst üste binmeyi engelleyen kritik ayar */
.m-single-link {
    clear: both; /* Yanında hiçbir şey istemiyoruz */
}

/* İkon Sabitleme: İkonların hepsi aynı hizada olsun */
.mobile-nav-categories i {
    width: 30px !important;
    text-align: center;
    margin-right: 15px !important;
    font-size: 1.2rem;
    color: var(--neon-blue);
}

/* Hover Efekti */
.m-single-link:hover, .accordion-button:not(.collapsed) {
    background: rgba(0, 212, 255, 0.1) !important;
    color: var(--neon-blue) !important;
    padding-left: 25px !important;
}

/* Alt Sayfa Butonları (Anasayfa / Blog) */
.offcanvas-footer-btns {
    display: flex;
    gap: 10px;
    padding: 20px;
}

.offcanvas-footer-btns .btn {
    flex: 1; /* Butonları eşit genişlik yap */
    font-family: 'Orbitron';
    font-size: 0.8rem;
    border-radius: 4px;
}


/* --- SAYFA SABİTLEME (KESİN ÇÖZÜM) --- */
html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    position: relative;
    margin: 0;
    padding: 0;
}

/* Row Taşmalarını Engelle */
.row {
    margin-right: 0 !important;
    margin-left: 0 !important;
    --bs-gutter-x: 1rem;
}

/* --- MOBİL MENÜ ALT BAR SABİTLEME --- */
.offcanvas-footer-fixed {
    position: absolute; /* Butonları mıknatıs gibi en alta çiviler */
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    background: #000 !important; /* Arka planı kesin siyah yapar */
}

/* Linklerin Üst Üste Binmesini Keser */
.m-single-link {
    display: flex !important;
    align-items: center;
    width: 100% !important;
    color: #fff !important;
    text-decoration: none !important;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: transparent !important;
    transition: 0.3s ease;
}

.m-single-link:hover {
    background: rgba(0, 212, 255, 0.08) !important;
    padding-left: 25px !important;
}

/* İkon Hizalama */
.mobile-nav-categories i {
    min-width: 25px;
    text-align: center;
    margin-right: 15px;
    filter: drop-shadow(0 0 5px var(--neon-blue));
}