/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Tüm sitenin arka planı tamamen beyaz */
html, body {
    background-color: #ffffff;
    color: #1a1a1a;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* 1. ÜST MENÜ (Header / Nav) */
.navbar-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 50px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 40px;
}

.logo a {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #111111;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-menu > ul {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: #444444;
    padding: 6px 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #000000;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #000000;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Teklif İsteyin Buton Stili */
.nav-menu .btn-teklif {
    background-color: #000000;
    color: #ffffff !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
}

.nav-menu .btn-teklif::after {
    display: none;
}

.nav-menu .btn-teklif:hover {
    background-color: #333333;
    transform: translateY(-1px);
}

/* --- DROPDOWN MENÜ STİLLERİ --- */
.dropdown-item {
    position: relative;
}

.dropdown-icon {
    font-size: 11px;
    margin-left: 4px;
    transition: transform 0.25s ease;
}

.dropdown-item:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    transform: translateY(10px);
    z-index: 1000;
    list-style: none;
    margin: 0;
}

.dropdown-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(2px);
}

.dropdown-menu li {
    width: 100%;
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 500;
    color: #333333;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background-color: #fafafa;
    color: #e62325;
    padding-left: 22px;
}

/* --- MULTI-LEVEL (ÇOK KADEMELİ) DROPDOWN STİLLERİ --- */
.has-submenu {
    position: relative;
}

.has-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.submenu-arrow {
    font-size: 10px;
    color: #888888;
    transition: transform 0.2s ease, color 0.2s ease;
}

.has-submenu:hover > a .submenu-arrow {
    color: #e62325;
    transform: translateX(3px);
}

.dropdown-submenu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 240px;
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    transform: translateX(8px);
    z-index: 1010;
    list-style: none;
    margin: 0;
}

.has-submenu:hover > .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
}

.mobile-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

/* 2. ORTA GÖVDE (Sağdan ve Soldan 50px kesilmiş ve ortalanmış) */
.main-body {
    flex: 1;
    background-color: #ffffff;
    padding-left: 50px;
    padding-right: 50px;
    width: 100%;
    box-sizing: border-box;
}

.hero-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 0 60px 0;
}

/* Başlık Alanı (Görsel 1 Stilinde) */
.hero-header {
    margin-bottom: 40px;
}

.hero-title {
    font-size: 46px;
    font-weight: 800;
    color: #000000;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.highlight-red {
    color: #e62325;
    font-weight: 900;
}

.hero-subtitle {
    font-size: 18px;
    color: #555555;
    margin-top: 16px;
    max-width: 950px;
    line-height: 1.6;
}

.hero-subtitle strong {
    color: #111111;
}

/* İki Kolonlu Grid Yapısı */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.section-heading {
    font-size: 26px;
    font-weight: 700;
    color: #111111;
    margin-bottom: 16px;
}

.subsection-heading {
    font-size: 19px;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 24px;
    margin-bottom: 12px;
}

.content-text {
    font-size: 15.5px;
    color: #444444;
    line-height: 1.7;
    margin-bottom: 16px;
}

.content-text strong {
    color: #111111;
}

.feature-list {
    margin: 20px 0 24px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-list li {
    font-size: 15px;
    color: #333333;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-list li i {
    color: #e62325;
    font-size: 17px;
}

.highlights-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 28px;
    padding: 24px;
    background-color: #fafafa;
    border: 1px solid #eeeeee;
    border-radius: 10px;
}

.highlight-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.highlight-item i {
    font-size: 26px;
    color: #e62325;
    margin-top: 2px;
}

.highlight-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: #111111;
    margin-bottom: 4px;
}

.highlight-item p {
    font-size: 13px;
    color: #666666;
    line-height: 1.45;
}

/* Sağ Kolon Görsel Alanı */
.hero-image-wrapper {
    position: sticky;
    top: 100px;
    width: 100%;
    border: 1px solid #e2e2e2;
    border-radius: 12px;
    padding: 16px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.filling-line-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    object-fit: contain;
}

.image-caption {
    margin-top: 14px;
    font-size: 13px;
    color: #666666;
    text-align: center;
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
    line-height: 1.5;
}

.image-caption i {
    color: #e62325;
}

/* 3. ALT MENÜ (Footer) */
.footer-section {
    background-color: #ffffff;
    border-top: 1px solid #e5e5e5;
    margin-top: auto;
}

.footer-container {
    padding: 40px 50px;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #111111;
}

.footer-info p {
    font-size: 14px;
    color: #555555;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-info p i {
    color: #111111;
    width: 16px;
}

.footer-nav h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #111111;
}

.footer-nav ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 20px;
}

.footer-nav a {
    font-size: 14px;
    color: #555555;
}

.footer-nav a:hover {
    color: #000000;
    text-decoration: underline;
}

.footer-bottom {
    padding: 20px 50px;
    border-top: 1px solid #f0f0f0;
    text-align: center;
    font-size: 13px;
    color: #777777;
}

/* Responsive (Mobil Uyumlu) Tasarım */
@media (max-width: 900px) {
    .header-container {
        padding: 15px 20px;
        justify-content: space-between;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        border-bottom: 1px solid #e5e5e5;
        padding: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }

    .nav-menu.active {
        display: block;
    }

    .nav-menu > ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .dropdown-item {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 2px solid #e62325;
        border-radius: 0;
        padding: 4px 0 4px 12px;
        margin-top: 6px;
        min-width: 100%;
    }

    .dropdown-menu a {
        padding: 6px 10px;
        font-size: 13.5px;
    }

    .dropdown-menu a:hover {
        padding-left: 14px;
    }

    .dropdown-submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 2px solid #e62325;
        border-radius: 0;
        padding: 4px 0 4px 12px;
        margin-left: 8px;
        margin-top: 4px;
        min-width: 100%;
    }

    .submenu-arrow {
        transform: rotate(90deg);
    }

    .nav-menu .btn-teklif {
        display: inline-block;
        margin-top: 10px;
    }

    .main-body {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .highlights-box {
        grid-template-columns: 1fr;
    }

    .hero-image-wrapper {
        position: static;
    }

    .footer-container {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .footer-nav ul {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        padding: 15px 20px;
    }
}


/* --- ÜRÜNLER SAYFASI COMPONENT STİLLERİ --- */
.products-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 0 60px 0;
}

.products-header {
    margin-bottom: 40px;
}

.products-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background-color: #fafafa;
    border: 1px solid #eeeeee;
    border-radius: 12px;
    padding: 30px;
    scroll-margin-top: 100px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.product-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-card-img {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
}

.product-card-img img {
    width: 100%;
    max-height: 240px;
    object-fit: contain;
    border-radius: 6px;
}

@media (max-width: 900px) {
    .product-card {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }
}


/* --- ÜRÜN DETAY SAYFASI COMPONENT STİLLERİ --- */
.product-detail-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 0 60px 0;
}

.breadcrumb {
    font-size: 13.5px;
    color: #777777;
    margin-bottom: 16px;
}

.breadcrumb a {
    color: #444444;
}

.breadcrumb a:hover {
    color: #e62325;
    text-decoration: underline;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 30px;
    align-items: start;
}

.detail-image-wrapper {
    background-color: #ffffff;
    border: 1px solid #e2e2e2;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.detail-img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: 8px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
}

.specs-table th, .specs-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid #eeeeee;
    font-size: 14.5px;
}

.specs-table th {
    background-color: #fafafa;
    color: #111111;
    font-weight: 600;
    width: 35%;
}

.specs-table td {
    color: #444444;
}

@media (max-width: 900px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}


/* --- 4 NOZULLU TEKNİK DETAY BÖLÜM STİLLERİ --- */
.comparison-grid, .nozzle-grid, .anti-drip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .comparison-grid, .nozzle-grid, .anti-drip-grid, .principles-grid {
        grid-template-columns: 1fr;
    }
}


/* --- HABERLER AKORDİYON (ACCORDION) STİLLERİ --- */
.accordion-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.accordion-item {
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.accordion-item:hover {
    border-color: #cccccc;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.accordion-item.active {
    border-color: #e62325;
    box-shadow: 0 6px 20px rgba(230, 35, 37, 0.08);
}

.accordion-header {
    background-color: #fafafa;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.accordion-item.active .accordion-header {
    background-color: #ffffff;
    border-bottom: 1px solid #f0f0f0;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.news-date-badge {
    font-size: 12.5px;
    font-weight: 700;
    color: #e62325;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-title {
    font-size: 17.5px;
    font-weight: 700;
    color: #111111;
    margin: 0;
    line-height: 1.4;
}

.bot-tag {
    font-size: 11.5px;
    background-color: #111111;
    color: #ffffff;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    width: fit-content;
    margin-top: 4px;
}

.accordion-icon {
    font-size: 16px;
    color: #888888;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: #e62325;
}

.accordion-content {
    display: none;
    padding: 24px;
    background-color: #ffffff;
    line-height: 1.6;
}

.accordion-item.active .accordion-content {
    display: block;
}

.news-body-text {
    font-size: 14.5px;
    color: #444444;
    margin-bottom: 14px;
    line-height: 1.65;
}

.news-body-text:last-of-type {
    margin-bottom: 20px;
}

.news-sources-box {
    background-color: #f8f9fa;
    border: 1px solid #eeeeee;
    border-left: 4px solid #111111;
    border-radius: 8px;
    padding: 16px 20px;
    margin-top: 16px;
}

.sources-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #111111;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sources-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sources-list li a {
    font-size: 13px;
    color: #e62325;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.sources-list li a:hover {
    color: #111111;
    text-decoration: underline;
}