/** Fonts  **/

@import url('https://fonts.googleapis.com/css?family=Raleway:100,300,400|Roboto+Condensed:300,700&display=swap');

/** GENERAL SETTINGS **/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-font: 'Raleway', sans-serif;
    --secondary-font: 'Roboto Condensed', sans-serif;
    --primary-color:#8f948f;
    --light-color: #efefef;
    --dark-color: #3c3c3c;
    --general-transition: all .4s ease;
    --pad-right: 4rem;
    --pad-left: 4rem;
}

html {
    font-size: 10px;
    color: var(--primay-color);
    font-family: var(--primary-font);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

section {
    padding-top: 16rem;
    padding-bottom: 8rem;
    min-height: 100vh;
}

p {
    font-size: 1.4rem;
    line-height: 2.5rem;
}

h1, h2, h3, h4 {
    color: var(--primary-color);
    font-family: var(--primary-font);
}

button {
    border: none;
    font: inherit;
    color: inherit;
    background-color: transparent;
    cursor: pointer;
}

a {
    text-decoration: none;
    font-family: var(--secondary-font);
}

img {
    width: 100%;
    max-width: 100%;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 114rem;
    margin: 0 auto;
}

/** CUSTOM Classes **/

.sec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    position: relative;
}

.vertical-title {
    font-size: 2rem;
    font-family: var(--secondary-font);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .2rem;
    word-spacing: 1rem;
    display: inline-block;
    transform: rotate(-90deg);
    position: absolute;
    top: 50%;
    left: -5%;
}

.vertical-title-right {
    color: var(--light-color);
    left: 95%;
    transform: rotate(90deg);
    white-space: nowrap;
}

.btn-general {
    font-family: var(--secondary-font);
    font-size: 1.4rem;
    text-transform: uppercase;
    margin: 2rem 0;
    padding: .5rem 2rem;
    letter-spacing: .2rem;
    font-weight: 700;
    border-radius: 2rem;
}

.btn-light {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transition: var(--general-transition);
}

.btn-light:hover {
    color: var(--light-color);
    background-color: var(--primary-color);
}

.btn-dark {
    color: var(--light-color);
    border: 2px solid var(--light-color);
    transition: var(--general-transition); 
}

.btn-dark:hover {
    color: var(--primary-color);
    background-color: var(--light-color);

}

.horizontal-title {
    padding-bottom: 2rem;
    font-size: 4rem;
    font-weight: 300;
}

.pri-background {
    background-color: var(--primary-color);
}

.light-color {
    color: var(--light-color);
}

/** HERO SECTION **/

#main {
    width: 100%;
    background: linear-gradient(0deg, rgba(0,0,0, 0.7), rgba(0,0,0, 0.7)), url('../img/ee.jpg');
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-transform: uppercase;
    text-align: center;
    width: 90%;
}

.main-title {
    font-family: var(--primary-font);
    font-size: 8rem;
    font-weight: 100;
    letter-spacing: 2rem;
    padding-bottom: 2rem;
}

.main-slogan {
    font-size: 1.6rem;
    color: var(--light-color);
    letter-spacing: 2.4rem;
    padding-bottom: 2rem;
}

.arrows {
    margin-left: 50%;
    padding-top: 4rem;
}

.arrows span {
    display: block;
    width: 2rem;
    height: 2rem;
    border-bottom: 1px solid var(--primary-color);
    border-right: 1px solid var(--primary-color);
    transform: rotate(45deg);
    margin: -1rem;
    animation: arrows-animate 2s infinite;
}

.arrows span:nth-child(2) {
    animation-delay: -0.3s;
}

.arrows span:nth-child(3) {
    animation-delay: -0.6s;
}

@keyframes arrows-animate {
    0%
    {
        opacity: 0;
        transform: rotate(45deg) translate(-2rem, -2rem);
    }

    50%{
        opacity: 1;
    }

    100%{
        opacity: 0;
        transform: rotate(45deg) translate(2rem, 2rem);
    }
}


/** Navigation Menu **/

.nav {
    background-color: rgba(143, 148, 143, 0.9);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 99;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 8rem;
}

.nav-list {
    display: flex;
}

.nav-list li:last-child {
    padding-right: 0;
}

.nav-item {
    padding: 0 2rem;
}

.nav-link {
    font-size: 1.6rem;
    letter-spacing: .2rem;
    color: var(--light-color);
    font-weight: 700;
    transition: var(--general-transition); 
}

.nav-link:hover {
    color: var(--dark-color); 
}

.nav-link::after {
    content: '';
    display: block;
    height: .2rem;
    width: 0;
    opacity: 0;
    background-color: var(--dark-color);
    transition: var(--general-transition); 
}

.nav-link:hover::after {
    width: 100%;
    opacity: 1;
}

/** LOGO **/

.logo {
    font-size: 4rem;
    width: 7rem;
    height: 7rem;
    background-color: var(--light-color);
    text-align: center;
    line-height: 7rem;
    border-radius: 50%;
    color: var(--primary-color);
    transition: var(--general-transition); 
}

.logo:hover {
    background-color: var(--dark-color);
    color: var(--light-color);
}

/* TOGGLER BUTTON */

.navbar-toggler {
    font-size: 2.2rem;
    position: absolute;
    right: 2.5rem;
    z-index: 100;
    display: none;
}

.navbar-toggler .line {
    width: 2.5rem;
    height: .4rem;
    background-color: var(--dark-color);
    margin: .5rem;
    transition: var(--general-transition); 
}


/** ABOUT SECTION **/

.about-detail {
    margin-left: 4rem;
}


section#about .horizontal-title {
    background-color: #8f948f; /* Örnek bir mavi renk */
    padding: 5px 10px;
    border-radius: 5px;
    color: white; /* Başlık metninin rengini beyaz olarak ayarlar */
}

section#about p{
    background-color: #8f948f; /* Örnek bir mavi renk */
    padding: 5px 10px;
    border-radius: 5px;
    color: white; /* Başlık metninin rengini beyaz olarak ayarlar */
}


/** SERVICES SECTION **/

.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: 15px;
    padding-left: 15px;
}

.services-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Yatayda esnek sütunlar */
    gap: 20px; /* Sütunlar arası boşluk */
    justify-items: center; /* İçeriği yatayda ortala */
    align-items: center; /* İçeriği dikeyde ortala */
}

.services-info {
    width: 100%; /* İçeriği genişlet */
    text-align: center; /* Metni yatayda ortala */
}

.services-detail {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#services-slider {
    display: flex;
    overflow: hidden;
}

.services-slide {
    min-width: 100%;
    display: none; /* Slaytları gizle */
}

.services-slide.active {
    display: block; /* Aktif slaytı göster */
    animation: fadeIn 1s ease-in; /* Yumuşak bir şekilde görünmesini sağla */
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.btn-arrows {
    display: flex;
    padding-top: 2rem;
}

#arrow-left, #arrow-right {
    cursor: pointer;
    margin-left: 2rem;
}

.sub-menu {
    display: none; /* Alt menüyü varsayılan olarak gizle */
    position: absolute; /* Alt menünün konumunu ayarla */
    top: 100%; /* Ana menünün altında görünmesini sağla */
    left: 0; /* Ana menünün solundan başlayarak konumlandır */
    background-color: rgba(143, 148, 143, 0.9);/* Arka plan rengini ayarla */
    padding: 1.5rem; /* İçeriğin kenar boşluğunu ayarla */
    font-size: 1.8rem; /* Yazı büyüklüğünü ayarla */

}

.sub-menu li a {
    color: var(--light-color); /* Alt menü bağlantılarının metin rengini ayarla */
    display: block; /* Bağlantıları blok düzene geçir */
    text-decoration: none; /* Alt menü bağlantılarının alt çizgisini kaldır */
    transition: color 0.3s; /* Geçiş efekti için renk değişim süresi */
}

.sub-menu li a:hover {
    color: var(--dark-color); /* Fareyle üzerine gelindiğinde bağlantı rengini değiştir */
}

.sub-menu li {
    padding: 1rem 0; /* Alt menü öğelerinin iç boşluğunu ayarla */
}

.nav-item:hover .sub-menu {
    display: block; /* Ana menü öğesine fareyle gelindiğinde alt menüyü görünür yap */
}




/** PORTFOLIO SECTION **/

section#portfolio {
    padding-top: 8rem;
}

.portfolio-items {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 'item-1 item-2 item-3 item-3'
                         'item-1 item-4 item-5 item-6'
                         'item-7 item-7 item-8 item-6'   ;                     
}

.portfolio-item {
   width: 100%; 
   height: 25rem;
   background-position: center;
   background-size: cover;
   background-repeat: no-repeat;
   position: relative;
   display: flex;
   align-items: center;
   justify-content: center;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    background-color: #41ff077a;
    width: 0;
    height: 0;
    top: 0;
    left: 0;
    opacity: 0;
    transition: var(--general-transition);
}

.portfolio-item:hover::before {
    opacity: 1;
    width: 100%;
    height: 100%;
}

.portfolio-item span {
    font-size: 5rem;
    color: var(--light-color);
    position: relative;
    z-index: 90;
    opacity: 0;
    transition: var(--general-transition);
}

.portfolio-item:hover span {
    opacity: 1;
}



.portfolio-item-1 {
    grid-area: item-1;
    min-height: 50rem;
    background-image: url('../img/plthmi.jpg');
}
.portfolio-item-2 {
    grid-area: item-2;
    background-image: url('../img/kod.jpg');
}
.portfolio-item-3 {
    grid-area: item-3;
    background-image: url('../img/kuku.jpg');
}
.portfolio-item-4 {
    grid-area: item-4;
    background-image: url('../img/Adsız.png');
}
.portfolio-item-5 {
    grid-area: item-5;
    background-image: url('../img/walle.jpeg');
}
.portfolio-item-6 {
    grid-area: item-6;
    min-height: 50rem;
    background-image: url('../img/bcvb.jpg');
}
.portfolio-item-7 {
    grid-area: item-7;
    background-image: url('../img/pxc.webp');
}
.portfolio-item-8 {
    grid-area: item-8;
    background-image: url('../img/pxoto.webp');
}


.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-gap: 20px;
}

.reference-item img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Resim, konteyner içine tamamen sığacak şekilde boyutlandırılır */
    object-position: center; /* Resim, konteynerin ortasına hizalanır */
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.reference-horizontal-title {
    font-size: 24px; /* Başlık için varsayılan boyut */
}

section#references .horizontal-title {
    background-color: #8f948f; /* Örnek bir mavi renk */
    padding: 5px 10px;
    border-radius: 5px;
    color: white; /* Başlık metninin rengini beyaz olarak ayarlar */
}


/** CONTACT SECTION **/

section#contact {
    width: 100%;
    height: 100vh;
    background: linear-gradient(0deg, rgba(0,0,0, 0.7), rgba(0,0,0, 0.7)), url('../img/contact_bg.jpg');
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}

.contact-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.contact-content h2 {
    font-size: 3rem;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: 3rem;
}

.contact-content p {
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 1.2rem;
    line-height: 2rem;
}
.contact-content p1 {
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 1.2rem;
    line-height: 2rem;
}
.contact-content p2 {
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 1.2rem;
    line-height: 2rem;
}

.name, .email, .message {
    background: none;
    border: none;
    outline: none;
    border-bottom: .1rem solid var(--primary-color);
    min-width: 100%;
    max-width: 100%;
    padding: 2rem .5rem;
    color: var(--light-color);
    margin-bottom: 2rem;
}

::placeholder {
    color: var(--primary-color);
}

/** FOOTER SECTION **/

footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 2rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
}

.social-media {
    display: flex;
    align-items: center;
}

.social-media h4 {
    font-size: 1.4rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: .1rem;
    white-space: nowrap;
}

ul.social-list {
    display: flex;
    margin-left: 2rem;
    font-size: 2rem;
}

ul.social-list li {
    padding: 0;
    text-align: center;
}

ul.social-list li a {
    color: var(--light-color);
    border: 1px solid var(--light-color);
    display: inline-block;
    height: 4rem;
    width: 4rem;
    border-radius: 50%;
    margin: 0 .5rem;
    transition: var(--general-transition);
}

ul.social-list li i {
    line-height: 4rem;
}

ul.social-list li:nth-child(1) a:hover {
    background-color: #38A1F3;
    border-color: transparent;
}

ul.social-list li:nth-child(2) a:hover {
    background-color: #171515;
    border-color: transparent;
}
ul.social-list li:nth-child(3) a:hover {
    background-color: #3B5998;
    border-color: transparent;
}
ul.social-list li:nth-child(4) a:hover {
    background-color: #ff4800f1;
    border-color: transparent;
}
ul.social-list li:nth-child(5) a:hover {
    background-color: #FF0000;
    border-color: transparent;
}
ul.social-list li:nth-child(6) a:hover {
    background-color: #0059ff;
    border-color: transparent;
}

.copy-right {
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: .2rem;
}

.back-top {
   justify-self: end; 
   text-align: center;
}

.back-top i {
    font-size: 2rem;

}

.back-top a {
    display: inline-block;
    height: 4rem;
    width: 4rem;
    border: .1rem solid var(--light-color);
    line-height: 4rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    transition: var(--general-transition);
}

.back-top a:hover {
    border-color: transparent;
    background-color: var(--light-color);
    color: var(--primary-color);
}


/** ARİTMA SECTION **/

section#aritma{
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}



section#aritma{
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}

.aritma-content h1{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 3.5rem;
    line-height: 2rem;
}


.aritma-content h2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 2rem;
    line-height: 2rem;
    margin-top: 20px;
}
.aritma-content p {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 1.8rem;
    line-height: 2rem;
    margin-top: 20px; 
    margin-bottom: 20px;

    background-color: #8f948f; /* Örnek bir mavi renk */
    padding: 5px 10px;
    border-radius: 5px;
    color: white; /* Başlık metninin rengini beyaz olarak ayarlar */
}

.aritma-content li {

    font-size: 1.5rem;
 

    background-color: #8f948f; /* Örnek bir mavi renk */
    padding: 5px 10px;
    border-radius: 5px;
    color: white; /* Başlık metninin rengini beyaz olarak ayarlar */
}

.aritma-image {
    display: flex; /* Flexbox'u etkinleştir */
    justify-content: space-between; /* İki görseli yatayda eşit şekilde yay */
}

.aritma-image img {
    max-width: 48%; /* Resimlerin maksimum genişliğini ayarla */
}

.custom-list {
    list-style-type: disc;
}

body {
    background-image: url("../img/background.jpg");
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}


@media only screen and (max-width: 992px) {


    #main {
        background-size: contain;
    }


    section#contact {
        background-size: contain;
    }


    .navbar-toggler {
        display: block;
        cursor: pointer;
    }

    .nav-list {
        display: block;
        position: absolute;
        top: 8rem;
        left: 0;
        background-color: var(--primary-color);
        width: 50%;
        height: 100vh;
        opacity: .9;
        transition: var(--general-transition);
        transform: translateX(-100%); 
        
    }

    li.nav-item {
        padding-top: 2rem;
    }

    .navbar {
        justify-content: space-around;
    }
    a.nav-link:hover::after {
        width: 50%;
    }

    .main-title {
        font-size:7rem;
    }

    .main-slogan {
        font-size: 1.4rem;
        letter-spacing: 1.4rem;
    }

    .vertical-title {
        display: none;
    }

    .horizontal-title {
        font-size: 3rem;
    }

    p {
        font-size: 1.3rem;
        line-height: 2.2rem;
    }

    .about-content {
        padding-right: var(--pad-right);
    }

    .services-content {
        padding-left: var(--pad-left);
    }

    .team-content {
        padding-right: var(--pad-right);
    }

    .blog-content {
        padding-left: var(--pad-left);
    }

    .copy-right {
        padding-left: var(--pad-left); 
    }

    .back-top {
        padding-right: var(--pad-right);
    }

    .sub-menu {
        left: auto;
        right: -90%;
        margin-right: 20px;
        top: 0%;
    }


}

@media only screen and (max-width: 768px) {

    .sub-menu {
        left: auto;
        right: -90%;
        margin-right: 20px;
        top: 0%;
    }

    body {
        background-size: contain;
    }

    

    #main {
        background-size: contain;
    }

    section#contact {
        background-size: contain;
    }

    .references-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); /* Ekran küçüldüğünde sütun genişliğini azalt */
    }

    .main-title {
        font-size: 5rem;
    }

    .main-slogan {
        font-size: 1.2rem;
        letter-spacing: 1.2rem;
    }

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

    .about-image {
        padding-left: var(--pad-left);
    }
    .services-content {
        padding-left: 15px;
        padding-right: 10px;
        max-width: 100%; /* Ekrana sığacak şekilde maksimum genişlik */
        flex-direction: column;
        align-items: center;
    }
    
    .horizontal-title {
        /*text-align: left;*/
        font-size: 3rem; /* Mobil cihazlar için daha küçük bir yazı boyutu */
    }
    
    .img-container {
        width: 100%; /* Ekrana sığacak şekilde genişlik */
        height: auto; /* Otomatik yükseklik ayarı */
    }

    .portfolio-items {

        grid-template-areas: 'item-1 item-1 item-3 item-3'
                             'item-1 item-1 item-2 item-2'
                             'item-7 item-7 item-4 item-4'
                             'item-6 item-6 item-4 item-4'
                             'item-5 item-5 item-8 item-8';                     
    }

    .portfolio-item-4 {
        min-height: 50rem;
    }

    .portfolio-item-6 {
        min-height: 25rem;
    }

    .team-items {
        padding-left: var(--pad-left);
    }

    .latest-posts {
        padding-right: var(--pad-right);
    }

    .contact-content {
        padding-left: var(--pad-left);
        padding-right: var(--pad-right);
    }

    .contact-content h2 {
        font-size: 3.5rem;
    }

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

    .copy-right, .back-top, .social-media {
        justify-self: center;
        margin: .5rem 0;
    }

    .social-media h4 {
        display: none;
    }

    .back-top {
        padding-right: 0;
    }


}

.nav-active {
    transform: translateX(0%); 
}

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px,8px);
}

.toggle .line2 {
    opacity: 0;
}

.toggle .line3 {
    transform: rotate(45deg) translate(-5px,-8px);
}

.aritma-content h1{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-family: var(--secondary-font);
    font-weight: bold;
    letter-spacing: .1rem;
    font-size: 2.5rem;
    line-height: 2rem;
}