/* =========================================================
   ÜRÜN DETAY SAYFASI - EN AW-1050 H14
========================================================= */

:root {
    --navy: #0E1B2B;
    --text-dark: #343434;
    --text-gray: #4B5563;
    --surface: #F7F8FA;
}


/* =========================================================
   AKTİF MENÜ
========================================================= */

.main-nav .nav-link.active {
    color: var(--accent);
}


/* =========================================================
   CONTAINER (SAYFA GENELİ - HEADER İLE HİZALI)
========================================================= */

.container-xl {
    max-width: 100%;
    padding-left: 96px;
    padding-right: 96px;
}

@media (max-width: 1199px) {
    .container-xl {
        padding-left: 40px;
        padding-right: 40px;
    }
}

@media (max-width: 575px) {
    .container-xl {
        padding-left: 20px;
        padding-right: 20px;
    }
}


/* =========================================================
   SAYFA HERO / BREADCRUMB
========================================================= */

.page-hero {
    position: relative;
    display: flex;
    align-items: flex-start;
    height: 347px;
    padding-top: 138px;
    background-color: var(--navy);
    background-image: url("img/aluminyum-levha-banner.jpg");
    background-size: cover;
    background-position: center;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 30px;
    font-family: "Poppins";
    font-size: 14px;
    font-weight: 400;
    line-height: 1.32;
    color: #fff;
}

.page-breadcrumb-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.page-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease;
}

.page-breadcrumb a:hover {
    color: var(--accent);
}

.page-breadcrumb .sep {
    color: rgba(255, 255, 255, 0.5);
}

.page-breadcrumb .current {
    color: #fff;
}

.page-title {
    margin: 0;
    max-width: 748px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 42px;
    line-height: 1.32;
    color: #fff;
}


/* =========================================================
   GİRİŞ (BEYAZ ARKA PLANLI BANT)
========================================================= */

.product-detail-intro {
    padding: 100px 0;
    background: var(--surface);
    text-align: center;
}

.product-detail-heading {
    max-width: 975px;
    margin: 0 auto 24px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 32px;
    line-height: 1.32;
    color: var(--text-dark);
}

.product-detail-text {
    max-width: 1145px;
    margin: 0 auto;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: var(--text-dark);
}

.product-detail-cta {
    margin-top: 32px;
}


/* =========================================================
   TEKNİK ÖZELLİKLER
========================================================= */

.spec-section {
    padding: 100px 0;
    background: #fff;
}

.spec-section-title {
    margin: 0 0 39px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 42px;
    line-height: 1.32;
    color: var(--navy);
}

.spec-tabs {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.spec-tab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 24px;
    background: #FAFAFA;
    border: 1px solid #E6E6E6;
    font-family: "Poppins";
    font-weight: 500;
    font-size: 20px;
    line-height: 1.32;
    color: var(--text-gray);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.spec-tab.active {
    background: var(--navy);
    border-color: var(--navy);
    color: #fff;
}

.spec-tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: 1px solid #232323;
    border-radius: 50%;
    color: #232323;
}

.spec-tab.active .spec-tab-btn {
    border-color: #fff;
    color: #fff;
}

.spec-tab-btn svg {
    width: 18px;
    height: 18px;
}

.spec-table {
    width: 100%;
    background: #fff;
}

.spec-table-head {
    display: flex;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid #C8D0DA;
    font-family: "Poppins";
    font-weight: 500;
    font-size: 20px;
    line-height: 1.32;
    color: var(--navy);
}

.spec-table-row {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #C8D0DA;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 1.32;
    color: var(--text-gray);
}

.spec-table-row:last-child {
    border-bottom: none;
}


/* =========================================================
   ÜRÜN ÖZELLİKLERİ
========================================================= */

.feature-section {
    padding: 0 0 100px;
    background: #fff;
}

.feature-media {
    width: 100%;
    height: clamp(240px, 22vw, 397px);
    overflow: hidden;
}

.feature-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-title {
    margin: 0 0 24px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 32px;
    line-height: 1.32;
    color: var(--navy);
}


/* =========================================================
   KULLANIM ALANLARI / BAŞLICA AVANTAJLARI
========================================================= */

.usage-section {
    padding: 0 0 100px;
    background: #fff;
}

.usage-title,
.advantages-title {
    margin: 0 0 24px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 28px;
    line-height: 1.32;
    color: var(--navy);
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.usage-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 12px;
    background: var(--surface);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.usage-card:hover {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.usage-card:hover span {
    color: var(--accent);
}

.usage-card:hover img {
    /* Navy (#0E1B2B) filter with drop-shadow to boost opacity */
    filter: brightness(0) saturate(100%) invert(7%) sepia(18%) saturate(6325%) hue-rotate(193deg) brightness(94%) contrast(95%) drop-shadow(0 0 0.5px #0E1B2B) drop-shadow(0 0 0.5px #0E1B2B);
}

.usage-card img {
    width: 36px;
    height: 36px;
    /* Identity filter to allow smooth transition to the complex hover filter */
    filter: brightness(1) saturate(100%) invert(0%) sepia(0%) saturate(100%) hue-rotate(0deg) brightness(100%) contrast(100%) drop-shadow(0 0 0px transparent) drop-shadow(0 0 0px transparent);
    transition: filter 0.3s ease;
}

.usage-card span {
    font-family: "Poppins";
    font-weight: 500;
    font-size: 15px;
    line-height: 1.3;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.advantages-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 16px;
    border-bottom: 1px solid #E6E6E6;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 1.4;
    color: var(--text-dark);
}

.advantages-list li:last-child {
    border-bottom: none;
}

.advantages-list svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--accent);
}


/* =========================================================
   BELGELER
========================================================= */

.docs-section {
    padding: 0 0 100px;
    background: #fff;
}

.docs-title {
    margin: 0 0 24px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 42px;
    line-height: 1.32;
    color: var(--navy);
}

.docs-text {
    max-width: 976px;
    margin: 0;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: var(--text-gray);
}


/* =========================================================
   CTA (İLETİŞİME GEÇİN)
========================================================= */

.cta-section {
    position: relative;
    padding: 80px 0;
    background-color: var(--navy);
    background-image:
        linear-gradient(0deg, rgba(14, 27, 43, 0.86), rgba(14, 27, 43, 0.86)),
        url("/img/iletisim-cta-bg.jpg");
    background-size: cover;
    background-position: center;
    text-align: center;
}

.cta-eyebrow {
    margin: 0 0 30px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 11px;
    line-height: 16px;
    letter-spacing: 1.98px;
    text-transform: uppercase;
    color: var(--accent);
}

.cta-title {
    max-width: 900px;
    margin: 0 auto 30px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: clamp(28px, 3.5vw, 48px);
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: #fff;
}

.cta-desc {
    max-width: 900px;
    margin: 0 auto 30px;
    font-family: "Inter", sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 28px;
    color: #F7F8FA;
}

.cta-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cta-btns .btn {
    padding: 16px 46px;
    font-family: "Poppins";
    font-weight: 500;
    font-size: 16px;
}

.btn-outline-cta {
    color: #fff !important;
    border: 1px solid #C7CDD4;
    background: transparent;
}

.btn-outline-cta:hover {
    color: var(--navy) !important;
    background: #fff;
    border-color: #fff;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1199px) {

    .usage-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {

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

    .product-detail-heading {
        font-size: 26px;
    }

    .spec-section .row,
    .feature-section .row,
    .usage-section .row {
        row-gap: 40px;
    }

    .spec-section-title,
    .docs-title {
        font-size: 32px;
    }
}

@media (max-width: 767px) {

    .page-hero {
        height: 260px;
        padding-top: 100px;
    }

    .page-title {
        font-size: 26px;
    }

    .product-detail-intro {
        padding: 60px 0;
    }

    .product-detail-heading {
        font-size: 22px;
    }

    .spec-section,
    .feature-section,
    .usage-section,
    .docs-section {
        padding-bottom: 60px;
    }

    .spec-section {
        padding-top: 60px;
    }

    .spec-section-title,
    .docs-title {
        font-size: 26px;
    }

    .spec-tab {
        padding: 14px 16px;
        font-size: 15px;
        gap: 8px;
    }

    .spec-tab-btn {
        width: 30px;
        height: 30px;
    }

    .spec-tab-btn svg {
        width: 14px;
        height: 14px;
    }

    .usage-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta-section {
        padding: 60px 0;
    }
}

@media (max-width: 575px) {

    .page-title {
        font-size: 22px;
    }

    .usage-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cta-btns {
        flex-direction: column;
        width: 100%;
    }

    .cta-btns .btn {
        width: 100%;
    }
}

.feature-text ul {
    list-style-type: disc;
    padding-left: 24px;
    margin-bottom: 16px;
    text-align: left;
}
.feature-text ol {
    list-style-type: decimal;
    padding-left: 24px;
    margin-bottom: 16px;
    text-align: left;
}
.feature-text li {
    margin-bottom: 8px;
    text-align: left;
}

.feature-text ul, .feature-text ol {
    list-style-position: inside;
}

.product-detail-desc ul, .feature-text ul {
    list-style-type: disc;
    padding-left: 24px;
    margin-bottom: 16px;
    text-align: left;
    list-style-position: inside;
}
.product-detail-desc ol, .feature-text ol {
    list-style-type: decimal;
    padding-left: 24px;
    margin-bottom: 16px;
    text-align: left;
    list-style-position: inside;
}
.product-detail-desc li, .feature-text li {
    margin-bottom: 8px;
    text-align: left;
}