/* =========================================================
   KALİTE - KALİTE POLİTİKAMIZ SAYFASI
========================================================= */

: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/BannerGorsel.png");
    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: 682px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 42px;
    line-height: 1.32;
    color: #fff;
}


/* =========================================================
   GİRİŞ (ORTALI)
========================================================= */

.quality-intro {
    padding: 100px 0;
    background: #fff;
    text-align: center;
}

.quality-intro-heading {
    max-width: 713px;
    margin: 0 auto 24px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 32px;
    line-height: 1.32;
    color: var(--navy);
}

.quality-intro-text {
    max-width: 915px;
    margin: 0 auto;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: var(--text-gray);
}


/* =========================================================
   ÇÖZÜM BÖLÜMLERİ (METİN / GÖRSEL)
========================================================= */

.quality-block {
    padding: 100px 0;
    background: #fff;
}

.quality-block.is-alt {
    background: var(--surface);
    padding: 0;
    margin: 100px 0;
}

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

.quality-block-text {
    margin: 0 0 32px;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: var(--text-gray);
}

.quality-block-media {
    width: 100%;
    height: clamp(280px, 33vw, 415px);
    overflow: hidden;
}

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

.quality-block-btns {
    display: flex;
    align-items: center;
    gap: 24px;
}

.quality-block-btns .btn {
    padding: 16px 46px;
    font-family: "Poppins";
    font-weight: 500;
    font-size: 16px;
    line-height: 24px;
    border-radius: 0;
}

.btn-quality-solid {
    background: var(--accent);
    color: #fff !important;
    border: 1px solid var(--accent);
}

.btn-quality-solid:hover {
    background: #d97a1a;
}

.btn-quality-outline {
    background: transparent;
    color: var(--navy) !important;
    border: 1px solid #C7CDD4;
}

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


/* =========================================================
   KALİTE İLKELERİMİZ
========================================================= */

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

.principles-title {
    margin: 0 0 32px;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 42px;
    line-height: 1.32;
    color: var(--navy);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.principle-card {
    padding: 40px;
    background: var(--surface);
}

.principle-icon {
    width: 49px;
    height: 49px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.principle-card.is-active .principle-icon {
}

.principle-icon svg {
    width: 48px;
    height: 48px;
    stroke: rgba(14, 27, 43, 0.5);
    transition: stroke 0.3s ease;
}

.principle-icon img {
    /* 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;
}

.principle-card.is-active .principle-icon svg,
.principle-card:hover .principle-icon svg {
    stroke: #0E1B2B;
}

.principle-card:hover .principle-icon 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);
}

.principle-card h4 {
    margin: 24px 0 0;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.6px;
    color: var(--navy);
    transition: color 0.3s ease;
}

.principle-card.is-active h4,
.principle-card:hover h4 {
    color: var(--accent);
}

.principle-card p {
    margin: 16px 0 0;
    font-family: "Poppins";
    font-weight: 400;
    font-size: 14px;
    line-height: 25px;
    color: var(--text-gray);
}


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

@media (max-width: 1199px) {
    .page-hero {
        height: 260px;
        padding-top: 100px;
    }

    .page-title {
        font-size: 28px;
    }

    .quality-intro,
    .quality-block,
    .principles-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .quality-block-heading,
    .principles-title {
        font-size: 30px;
    }

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

@media (max-width: 991px) {
    .quality-block .row {
        flex-direction: column-reverse;
    }

    .quality-block.is-alt .row {
        flex-direction: column;
    }
}

@media (max-width: 575px) {
    .page-hero {
        height: 220px;
        padding-top: 80px;
    }

    .page-title {
        font-size: 24px;
    }

    .quality-intro-heading {
        font-size: 24px;
    }

    .quality-block-heading,
    .principles-title {
        font-size: 24px;
    }

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

    .quality-block-btns {
        flex-direction: column;
        align-items: stretch;
    }

    .quality-block-btns .btn {
        text-align: center;
    }
}