/* ===== LIGHT MODE ===== */
:root {
    --bg-light:         #ffffff;
    --bg-soft:          #f4f7fa;
    --navy-blue:        #002257;
    --brand-red:        #da291c;
    --brand-yellow:     #fff200;
    --text-dark:        #000000;
    --text-muted:       #555;
    --border-color:     #e2e8f0;
    --shadow-sm:        0 1px 3px rgba(0,0,0,0.1);
    --card-bg:          #ffffff;
    --table-alt:        #f1f1f1;
    --table-alt2:       #ffffff;
}

/* ===== BASE ===== */
html, body {
    overflow-x: hidden;
    max-width: 100%;
}
body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: 'Inter', sans-serif;
    padding-top: 120px;
}

/* ===== NAVBAR ===== */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to right, #0c4a7e 0%, #0d5489 40%, #28b2de 100%);
    border-bottom: 2px solid var(--brand-red);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    padding: 0;
    min-height: 85px;
    overflow: visible;
}

.navbar-brand img {
    mix-blend-mode: screen;
    height: 110px;
    width: auto;
    max-height: none;
    padding: 0;
    margin-top: -10px;
    margin-bottom: -10px;
    transition: all 0.3s ease;
}

.nav-link {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    position: relative;
    padding-bottom: 5px !important;
    transition: opacity 0.3s;
}

.nav-link:hover {
    opacity: 0.75;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--brand-red);
}

/* ===== NAVBAR AYRAÇ ===== */
.nav-divider {
    display: inline-block;
    width: 1px;
    height: 22px;
    background: rgba(255,255,255,0.3);
    vertical-align: middle;
}

/* ===== DİL & TEMA BUTONLARI ===== */
.nav-icon-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 8px;
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.5px;
    padding: 5px 11px;
    cursor: pointer;
    text-decoration: none !important;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
    white-space: nowrap;
}

.nav-icon-btn i {
    font-size: 1rem;
    line-height: 1;
}

.nav-icon-btn:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-1px);
}

.nav-icon-btn:active {
    transform: translateY(0);
}

/* Dil butonu özel vurgu */
.lang-btn {
    background: rgba(255, 200, 0, 0.15);
    border-color: rgba(255, 220, 0, 0.5);
}
.lang-btn:hover {
    background: rgba(255, 200, 0, 0.30);
    border-color: rgba(255, 220, 0, 0.85);
}

/* ===== SOSYAL MEDYA İKONLARI ===== */
.social-icons {
    display: flex;
    align-items: center;
    gap: 6px;
}

.social-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.3);
    color: #ffffff !important;
    font-size: 1rem;
    text-decoration: none !important;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}

.social-icon-btn:hover {
    transform: translateY(-2px) scale(1.1);
}

/* Facebook */
.social-icon-btn[title="Facebook"]:hover {
    background: #1877F2;
    border-color: #1877F2;
}

/* Instagram */
.social-icon-btn[title="Instagram"]:hover {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
    border-color: #d6249f;
}

/* WhatsApp */
.whatsapp-btn {
    background: rgba(37, 211, 102, 0.18);
    border-color: rgba(37, 211, 102, 0.45);
}
.whatsapp-btn:hover {
    background: #25D366;
    border-color: #25D366;
}

/* ===== CATALOG PDF STYLE ===== */
.catalog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.product-entry {
    margin-bottom: 50px;
}

.product-title-container {
    border-bottom: 3px solid var(--brand-red);
    margin-bottom: 20px;
    width: 100%;
}

.product-title-container h3 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.product-content-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

.product-visual-side {
    flex: 0 0 35%;
    max-width: 35%;
    padding-right: 15px;
}

.product-visual-side img {
    width: 100%;
    max-height: 280px;
    object-fit: contain;
}

.product-data-side {
    flex: 0 0 65%;
    max-width: 65%;
}

.table-pdf-exact {
    width: 100%;
    border-collapse: separate;
    border-spacing: 2px 0;
}

.table-pdf-exact th {
    background-color: var(--brand-yellow);
    color: #000;
    font-weight: 900;
    padding: 10px 5px;
    text-align: center;
    border-radius: 4px 4px 0 0;
    font-size: 0.85rem;
}

.table-pdf-exact td {
    background-color: var(--table-alt);
    padding: 8px 5px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    transition: background-color 0.3s ease;
}

.table-pdf-exact tr:nth-child(even) td {
    background-color: var(--table-alt2);
}

/* ===== CATEGORY FILTER BUTTONS ===== */
.category-btn {
    background: var(--card-bg);
    border: 2px solid var(--navy-blue);
    color: var(--navy-blue);
    font-weight: 800;
    border-radius: 0;
    padding: 10px 25px;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.category-btn.active,
.category-btn:hover {
    background: var(--navy-blue);
    color: #fff;
}

/* ===== CARD BG ===== */
.product-group-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: background 0.35s ease, border-color 0.35s ease;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    body {
        padding-top: 90px;
    }

    .navbar-brand img {
        height: 60px;
    }

    .product-visual-side,
    .product-data-side {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .product-visual-side {
        padding-right: 0;
        margin-bottom: 20px;
    }

    .nav-icon-btn .btn-label {
        display: none; /* mobilde sadece ikon */
    }

    .nav-divider {
        display: none;
    }
}