/* #Primary
================================================== */
* {
    vertical-align: baseline;
    font-weight: inherit;
    font-family: inherit;
    font-style: inherit;
    font-size: 100%;
    border: 0 none;
    outline: 0;
    padding: 0;
    margin: 0;
}

body {
    font-family: "Arimo", sans-serif;
    background: #fff;
    color: #333;
    padding-top: 110px; /* Navbar yüksekliği kadar boşluk bırak */
}
.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.3;
    display: inline-block; /* genişlik metin kadar olsun */
    padding-bottom: 6px; /* yazı ile çizgi arası */
    border-bottom: 3px solid #28447e; /* çizgi rengi yazı rengiyle aynı */
    margin: 10px auto 10px; /* merkezde kalsın */
}
.accordion-button::after {
    flex-shrink: 0;
    width: 1.2rem;
    height: 1.2rem;
    background-size: 1.2rem;
}
.accordion-item {
    border: none;
    border-bottom: 1px solid #e5e5e5;
}
.accordion-button {
    font-weight: 500;
    font-size: 1.1rem;
}
.accordion-button:not(.collapsed) {
    color: #000;
    background-color: #f9f9f9;
    box-shadow: none;
}
.about-section {
    position: relative;
    padding: 80px 0;
    background: #f9f9f9;
}
/* Dünya haritası arka plan */
.about-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("https://upload.wikimedia.org/wikipedia/commons/a/a0/World_map_with_points.svg")
        no-repeat center;
    background-size: cover;
    opacity: 0.1; /* saydamlık */
    z-index: 0;
}
.about-text h2 {
    font-size: 2.3rem;
    font-weight: 700;
    color: #010100;
}
.about-text p {
    font-size: 1rem;
    color: #555;
    line-height: 1.7;
}
.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 0 0 0 50px;
    clip-path: ellipse(90% 100% at 100% 50%);
}
.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.5s;
}
.about-image img:hover {
    transform: scale(1.05);
}
.section-with-map {
    background-image: url("/images/turkiye-dots.svg");
    background-repeat: no-repeat;
    background-position: left center; /* isteğe göre left/top/right */
    background-size: 45% auto; /* boyutu ayarla */
    /* arka plan rengini istersen ver: */
    background-color: #fafafa;
}
.projects-section {
    position: relative;
    padding: 80px 0;
    color: #fff;
    overflow: hidden;
    background-color: #2e599b;
}

/* Çizgili arka plan */
.projects-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%; /* her cihazda full genişlik */
    height: 100%;
    background-image: linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.05) 1px,
            transparent 1px
        ),
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.projects-section .container {
    position: relative;
    z-index: 1;
}

.projects-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.projects-section p {
    font-size: 1.1rem;
    color: #bbb;
    margin-bottom: 40px;
}

.project-card {
    background: #fff;
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.project-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.project-info h5 {
    margin: 0;
    font-size: 1.1rem;
    color: #000;
}

.project-info a {
    background: #000;
    color: #fff;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.3s;
}

.project-info a:hover {
    background: #28447e;
}

.references {
    background-color: #e9e7e7; /* gri arka plan */
    text-align: center;
    padding: 60px 20px;
}

.references .subtitle {
    font-size: 14px;
    letter-spacing: 3px;
    color: #666;
    margin-bottom: 10px;
}

.references .title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #111;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.logo-item {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.logo-item img {
    max-width: 120px;
    max-height: 70px;
    object-fit: contain;
}

.contact-section {
    padding: 80px 0;
}
.contact-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #111;
}
.contact-section h6 {
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
}
.contact-form input,
.contact-form textarea {
    background: #f8f9fa;
    border: none;
    border-radius: 6px;
    padding: 12px 15px;
    width: 100%;
    margin-bottom: 15px;
}
.contact-form textarea {
    height: 140px;
    resize: none;
}
.btn-send {
    font-size: 17px;
    width: 100%;
    background: #28447e;
    color: #fff;
    font-weight: 700;
    padding: 24px 45px 24px 45px;
    line-height: 20px;
    position: relative;
    z-index: 9;
    display: inline-block;
    -webkit-transition: all 0.35s;
    transition: all 0.35s;
    -moz-transition: all 0.35s;
    -ms-transition: all 0.35s;
    border: none;
    font-family: "gilmer", sans-serif;
    text-transform: none;
    padding: 22px 20px 22px 20px;
    transition: 0.3s;
}
.btn-send:hover {
    background: #1e40af;
}

.btn-send:after {
    content: "";
    width: 15px;
    height: 2px;
    background: #fff;
    position: absolute;
    top: 50%;
    margin-top: -1px;
    left: 45px;
    z-index: 1;
    -webkit-transition: all 0.35s;
    transition: all 0.35s;
}
iframe {
    border: 0;
    width: 100%;
    height: 400px;
    border-radius: 8px;
}

/* Navbar stil */
.navbar-nav .nav-link {
    font-weight: 500;
    color: #333;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: #c00000;
}
.navbar-nav .dropdown-menu {
    border-radius: 0;
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.navbar-brand img {
    height: 85px;
}
.nav-item {
    padding: 0px 1rem;
    font-size: 1.2rem;
}
.nav-item:after {
    content: "";
    width: 0;
    height: 2px;
    display: block;
    transition: 0.3s ease-in;
    background: #28447e;
    margin: auto;
}

.nav-item:hover:after {
    width: 100%;
    transition: 0.3s ease-in-out;
}

.nav-item:hover a {
    color: #28447e !important;
}

.nav-item:hover ul a {
    color: unset !important;
}

/* Footer stil */
footer {
    background-color: #28447e;
    color: #fff;
    padding: 50px 0 20px;
}
footer img {
    width: 100%;
}

footer h5 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
    padding-bottom: 5px;
}
footer a {
    color: #fff;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding-top: 15px;
    font-size: 0.9rem;
    text-align: center;
}

.subtitle {
    display: inline-block; /* genişlik metin kadar olsun */
    padding-bottom: 6px; /* yazı ile çizgi arası */
    border-bottom: 3px solid #28447e; /* çizgi rengi yazı rengiyle aynı */
    margin: 0 auto 10px; /* merkezde kalsın */
}

.hero-banner {
    position: relative;
    width: 100%;
    height: 90vh; /* tam ekran yükseklik */
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-banner h1 {
    font-size: 90px;
    color: #fff;
    display: inline-block; /* genişlik metin kadar olsun */
    padding-bottom: 6px; /* yazı ile çizgi arası */
    border-bottom: 3px solid #28447e; /* çizgi rengi yazı rengiyle aynı */
    margin: 0 auto 10px;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(40, 68, 126, 0.8),
        rgba(0, 0, 0, 0.4)
    ); /* koyu mavi transparan */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    padding: 20px;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(40, 68, 126, 0.6); /* koyu overlay */
    z-index: 1;
}

.hero-content,
.phone-box {
    position: relative;
    z-index: 2;
}

.phone-box {
    background: #fff;
    padding: 50px 50px 50px 50px;
    background-color: #ffffff;
    box-shadow: 0px 20px 20px 0px rgba(0, 0, 0, 0.06);
    text-align: left;
    border-radius: 25px;
}

.phone-box .main {
    font-size: 36px;
    font-weight: 600;
    color: #0d1b2a;
}
.phone-box .main a {
    text-decoration: none;
    color: #0d1b2a;
}
.phone-box .sub {
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    color: #bbb;
}
.phone-box .sub a {
    text-decoration: none;
    color: #bbb;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.2s;
}

.whatsapp-float img {
    width: 35px;
    height: 35px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.call-button {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #ffffff;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.2s;
}

.call-button img {
    width: 35px;
    height: 35px;
}

.call-button:hover {
    transform: scale(1.1);
}
.page-header {
    background: url("https://images.pexels.com/photos/53176/architecture-iron-steel-building-53176.jpeg?_gl=1*1oaj6j7*_ga*OTQwMzYyNzI5LjE3NTc4NTQ3NTc.*_ga_8JE65Q40S6*czE3NTc4NTQ3NTYkbzEkZzEkdDE3NTc4NTQ3NzgkajM4JGwwJGgw")
        center/cover no-repeat;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: #fff;
    text-align: center;
}
.page-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(40, 68, 126, 0.7);
    z-index: 1;
}
.page-header h1 {
    position: relative;
    z-index: 2;
    font-size: 3rem;
    font-weight: 700;
}

.vision-mission {
    background: #f9f9f9;
    padding: 60px 0;
}
.card-custom {
    background: #fff;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 30px;
    transition: transform 0.3s ease;
    height: 100%;
}
.card-custom:hover {
    transform: translateY(-5px);
}
.values {
    padding: 60px 0;
}
.values .icon {
    font-size: 40px;
    color: #c00000;
    margin-bottom: 15px;
}

.contact-info {
    background: #f9f9f9;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.contact-info h5 {
    font-weight: 600;
    margin-bottom: 15px;
    color: #28447e;
}
.contact-info p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
    margin-bottom: 15px;
    font-size: 0.95rem;
}
.contact-form textarea {
    height: 150px;
    resize: none;
}

.map-section iframe {
    width: 100%;
    height: 400px;
    border: 0;
    border-radius: 8px;
}
.effect-twelve {
    background: #28447e;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    height: 250px; /* Tüm kartlar için sabit yükseklik */
    display: flex;
    align-items: center;
    justify-content: center;
}

.effect-twelve img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Resimler kart alanını doldurur, oran bozulmaz */
    transition: all 0.35s;
    transform: translateX(-10px);
}

.effect-twelve:hover img {
    transform: translateX(0);
    opacity: 0.4;
}

.effect-twelve .tab-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.effect-twelve .tab-text h2 {
    font-family: "Oswald", sans-serif;
    position: relative;
    padding: 0.5em 0;
    text-align: left;
    overflow: hidden;
}

.effect-twelve .tab-text h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #fff;
    transform: translateX(-100%);
    transition: transform 0.35s;
}

.effect-twelve:hover .tab-text h2::after {
    transform: translateX(0);
}

.sticky-box {
    position: sticky;
    top: 100px; /* navbar yüksekliği kadar boşluk */
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.sticky-box h5 {
    color: #28447e;
    margin-bottom: 20px;
    font-weight: 600;
}
.gallery img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}
.gallery img:hover {
    transform: scale(1.03);
}
/* Mobil uyum */
@media (max-width: 768px) {
    .navbar-nav {
        text-align: center;
    }
    nav li {
        padding: 5px;
        position: relative;
    }
    navbar-brand {
        display: inline-block;
        padding-top: 0.3125rem;
        padding-bottom: 0.3125rem;
        margin-right: 1rem;
        font-size: 1.25rem;
        line-height: inherit;
        white-space: nowrap;
    }
    .projects-section {
        padding: 50px 15px;
    }
    .projects-section h2 {
        font-size: 2rem;
    }
    .projects-section p {
        font-size: 1rem;
    }
    .projects-section::before {
        background-size: 30px 30px; /* mobilde biraz daha sık çizgiler */
    }
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }

    .whatsapp-float img {
        width: 28px;
        height: 28px;
    }

    .call-button {
        width: 50px;
        height: 50px;
        bottom: 80px;
        right: 15px;
    }

    .call-button img {
        width: 28px;
        height: 28px;
    }

    .hero-banner h1 {
        font-size: 3rem;
    }

    .phone-box {
        padding: 20px;
    }
    .phone-box .main a {
        font-size: 1rem;
    }
    .phone-box .sub a {
        font-size: 0.7rem;
    }
    .phone-box .sub {
        font-size: unset;
    }
    .phone-box img {
        width: 30px;
        height: 30px;
    }
    .phone-box .main {
        font-size: unset;
    }
    .about-text h2 {
        font-size: 2rem;
        padding: 5px;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .text-start {
   
    margin-bottom: 1rem;
}
}