@import url('https://fonts.googleapis.com/css2?family=Iceberg&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');


*{
       margin: 0;
       padding: 0;
       box-sizing: border-box;
       text-decoration: none;
       border: none;
       outline: none;
       scroll-behavior: smooth;
       font-family: "Poppins", sans-serif;
}

:root {
    --bg-color: #0f0f1f;          
    --second-bg-color: #1b1b3a;   
    --text-color: #e0e0e0;        
    --main-color: #00d4ff;        
    --bg2-color: #101820;        
    --second2-bg-color: #1a2735; 
    --text2-color: #f1f1f1;      
    --main2-color: #00ffa6;      
}

html{
       font-size: 60%;
       overflow-x: hidden;
}

body{
       background-color: var(--bg-color);
       color: var(--text-color);
}

span{
       color: var(--main-color);
}

section{
       min-height: 100vh;
       padding: 10rem 12% 10rem;
}

.header{
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
       padding: 4rem 12% 4rem;
       background-color: rgba(0, 0, 0, 0.3);
       backdrop-filter: blur(10px);
       display: flex;
       justify-content: space-between;
       align-items: center;
       z-index: 5;
}

.logo{
       font-size: 3rem;
       color: var(--text-color);
       font-weight: 800px;
       cursor: pointer;
       transition: 0.3s ease-in-out;
}

.logo:hover{
       transform: scale(1.1);
       color: var(--main-color);
       text-shadow: 0 0 25px var(--main-color);
}

.logo span{
       text-shadow: 0 0 25px var(--main-color);
}

.navbar a{
       font-size: 1.8rem;
       color: var(--text-color);
       margin-left: 4rem;
       font-weight: 500px;
       transition: 0.3s ease;
       border-bottom: 3px solid transparent;
}

.navbar a:hover,
.navbar a:active{
       color: var(--main-color);
       transition: 0.3s ease-in-out;
       border-bottom: 3px solid var(--main-color);
       text-shadow: 0 0 25px var(--main-color);  
}


#menu-icon{
       font-size: 3.6rem;
       color: var(--main-color);
       display: none;
}

.slider-container {
       width: 100%;
       max-width: 1200px;
       overflow: hidden;
       margin: 0 auto;
}

.slider {
       display: flex;
       width: 600%;
       animation: slide 20s linear infinite;
}

.slide {
       width: 8.333%;
       flex-shrink: 0;
}

.slide img {
       width: 100%;
       height: 600px;
       object-fit: fill;
}

@keyframes slide {
       0% {
              transform: translateX(0);
       }
       100% {
              transform: translateX(-50%);
       }
}

.slider-container {
       width: 100%;
       height: 120px;
       margin: 2rem auto;
       overflow: hidden;
       background: var(--bg-color);
}

.slider {
       display: flex;
       animation: slide 20s linear infinite;
       width: 200%;
}

@keyframes slide {
       0% {
              transform: translateX(0);
       }
       100% {
              transform: translateX(-50%);
       }
}

.slide {
       width: 200px;
       height: 120px;
       flex-shrink: 0;
}

.slide img {
       width: 80%;
       height: 100%;
       padding-left: 30px;
       object-fit: contain;
}


.home{
       display: flex;
       justify-content: center;
       align-items: center;
       gap: 15rem;
}

.home-content{
       display: flex;
       flex-direction: column;
       align-items: baseline;
       justify-content: center;
       text-align: left;
       margin-top: 3rem;
}

.home-content h1{
       font-size: 7rem;
       font-weight: 700px;
       margin-top: 1.5rem;
       line-height: 1;
}

.home-content h3{
       margin-bottom: 2rem;
       margin-top: 1rem;
       font-size: 3.5rem;
}

.home-content p {
       font-size: 1.5rem;
       font-weight: 500px;
       line-height: 1.8;
       max-width: 1000px;
}

.home-img{
       border-radius: 70%;
}

.home-img img{
       width: 32vw;
       position: relative;
       top: 3rem;
       border-radius: 70%;
       box-shadow: 0 0 25px var(--main-color);
       cursor: pointer;
       transition: 0.4s ease-in-out;
}

.home-img img:hover{
       box-shadow: 0 0 25px var(--main-color), 0 0 50px var(--main-color), 0 0 100px var(--main-color);
}


.social-icons a{

       display: inline-flex;
       justify-content: center;
       align-items: center;
       width: 3.5rem;
       height: 3.5rem;
       background-color: transparent;
       border: 2px solid var(--main-color);
       font-size: 2.5rem;
       border-radius: 50%;
       color: var(--main-color);
       margin: 3rem 1.5rem 3rem 0;
       transition: 300ms ease-in-out;
}
.social-icons a:hover{
       color: var(--text-color);
       transform: scale(1.3) translateY(-5px);
       box-shadow: 0 0 25px var(--main-color);
       background-color: var(--main-color);
}

.btn{
       display: inline-block;
       padding: 1rem 2.8rem;
       box-shadow: 0 0 25px var(--main-color);
       color: black;
       background-color: var(--main-color);
       border-radius: 4rem;
       font-size: 1.6rem;
       border: 2px solid transparent;
       letter-spacing: 0.1rem;     
       font-weight: 600px;
       transition: 300ms ease-in-out;
       cursor: pointer;
}

.btn:hover{
       transform: scale(1.05);
       box-shadow: 0 0 50px var(--main-color);
}

.btn-group{
       display: flex;
       align-items: center;
       gap: 1.5rem;
}

.text-animations{
       font-size: 34px;
       font-weight: 600;
       min-width: 280;
}

.text-animations span{
       position: relative;
}

.text-animations span::before{
       content: "";
       color: var(--main-color);
       animation: words 20s infinite;
}
.text-animations span::after{
       content: "";
       background-color: var(--bg-color);
       height: 100%;
       width: calc(100% + 8px);
       position: absolute;
       right: -8px;
       border-left: 3px solid var(--bg-color);
       animation: cursor 0.6s infinite, typing 20s steps(14) infinite;
}

@keyframes cursor{
       to{
              border-left: 2px solid var(--main-color);
       }
}

@keyframes words{
       0%, 20%{
              content: "Back-End Developer'ım";
       }
       21%, 40%{
              content: "Software Engineer'ım";
       }
       41%, 60%{
              content: "Python Developper'ım";
       }
       61%, 80%{
              content: "Web Developper'ım";
       }
       81%, 100%{
              content: "Software Tester'ım";
       }
}

@keyframes typing{
       10%,
       15%,
       30%,
       35%,
       50%,
       55%,
       70%,
       75%,
       90%,
       95%{
              width: 0px;
       }

       5%,
       20%,
       25%,
       40%,
       45%,
       60%,
       65%,
       80%,
       85%{
              width: calc(100% + 8px);
       }

}


.heading{
       font-size: 8rem;
       text-align: center;
       margin: 5rem 0;
       font-weight: bold;
}

.education{
       background-color: var(--second-bg-color);
       padding: 100px 15px;
}

.time-line-items{
       width: 1200px;
       margin: auto;
       display: flex;
       flex-wrap: wrap;
       position: relative;
}

.time-line-items::before{
       content: "";
       position: absolute;
       width: 5px;
       height: 100%;
       background-color: var(--main-color);
       left: calc(50% - 1px);
}

.time-line-item{
       margin-bottom: 40px;
       width: 100%;
       position: relative;
}

.time-line-item:last-child{
       margin-bottom: 0px;
}

.time-line-item:nth-child(odd){
       padding-right: calc(50% + 30px);

}


.time-line-item:nth-child(even){
       padding-left: calc(50% + 30px);
       
}

.time-line-dot{
       height: 21px;
       width: 21px;
       background-color: var(--main-color);
       box-shadow: 0 0 25px var(--main-color), 0 0 50px var(--main-color);
       position: absolute;
       left: calc(50% - 8px);
       border-radius: 50%;
       top: 10px;
}

.time-line-date{
       font-size: 20px;
       font-weight: 800;
       color: #fff;
       margin: 6px 0 1px;
}

.time-line-content{
       background-color: var(--bg-color);
       border: 3px solid var(--main-color);
       padding: 30px 50px;
       border-radius: 4rem;
       box-shadow: 0 0 10px var(--main-color);
       transition: 0.3s ease-in-out;
}

.time-line-content:hover{
       box-shadow: 0 0 25px var(--main-color);
       transform: scale(1.05);
}

.time-line-content h3{
       font-size: 20px;
       color: #fff;
       margin: 20px 0 10px;
       font-weight: 500;
}

.time-line-content h3:first-child{
       font-size: 20px;
       color: #fff;
       margin: 0px 0 10px;
       font-weight: 500;
}

.time-line-content p{
       font-size: 16px;
       color: #fff;
       font-weight: 300;
       line-height: 22px;
}

::-webkit-scrollbar{
       width: 15px;
}

::-webkit-scrollbar-thumb{
       background-color: var(--main-color);
       border-radius: 4rem;
}

.Services{
       background-color: var(--bg-color);
       color: white;
}

.Services h2{
       color: #fff;
       margin-bottom: 5rem;
}

.services-container{
       display: grid;
       grid-template-columns: repeat(2, 1fr);
       align-items: center;
       gap: 2.5rem;
}

.service-box{
       background-color: var(--main-color);
       height: 300px;
       border-radius: 3rem;
       border: 5px solid transparent;
       cursor: pointer;
       transition: 0.4s ease-in-out;
}

.service-box:hover{
       background-color: #ffffff;
       color: black;
       border: 5px solid var(--main-color);
       transform: scale(1.03);
}

.service-box .service-info{
       display: flex;
       flex-direction: column;
       text-align: left;
       max-height: 200px;
       justify-content: left;
       align-items: baseline;
       padding: 5rem 5rem;
}

.service-info h4{
       font-size: 3rem;
       font-weight: 800;
       line-height: 2;
}

.service-info p{
       font-size: 1.6rem;
       font-weight: 600;
       max-height: 100px;
       line-height: 1.7rem;
       margin: auto;
}

.testimonials{
       background-color: var(--second-bg-color);
}

.testimonials-box{
       background-size: cover;
       display: flex;
       align-items: center;
       justify-content: center;
       flex-direction: column;
}

.testimonials-box img{
       width: 15rem;
       border-radius: 50%;
       border: 3px solid var(--main-color);
       box-shadow: 0 0 25px var(--main-color);
}

.wrapper{
       display: grid;
       grid-template-columns: repeat(3, 1fr);
       gap: 3rem;
}

.testimonial-item{
       min-height: 550px;
       max-width: 450px;
       background-color: rgba(0, 0, 0, 0.7);
       border: 3px solid rgba(238, 238, 238, 0.2);
       border-radius: 2rem;
       margin: 0 2rem;
       padding: 30px 60px;
       cursor: pointer;
       display: flex;
       flex-direction: column;
       justify-content: center;
       align-items: center;
       text-align: center;
       gap: 1.5rem;
       color: #fff;
       transition: 0.4s ease-in-out;
}

.testimonial-item:hover{
       border: 3px solid var(--main-color);
       box-shadow: 0 0 50px var(--main-color);
}

.testimonial-item h2{
       font-size: 2.8rem;
}

.testimonial-item p{
       font-size: 1.7rem;
}
.testimonial-item .rating{
       color: yellow;
       font-size: 2rem;
}

.testimonial-item:nth-child(2){
       border: 3px solid var(--main-color);
       box-shadow: 0 0 50px var(--main-color);
       transform: scale(1.1);
       animation: lighting 1s infinite alternate;
}

@keyframes lighting{
       0%{
              box-shadow: 0 0 10px var(--main-color);
       }
       100%{
              box-shadow: 0 0 50px var(--main-color);
       }
}

.Contact{
       background-color: var(--bg-color);
}

.Contact form{
       display: flex;
       justify-content: center;
       align-items: center;
       gap: 3rem;
       margin: 5rem auto;
}

.Contact form .input-box{
       display: flex;
       justify-content: center;
       flex-wrap: wrap;
}

.Contact form .input-box input, .Contact form textarea{
       width: 100%;
       padding: 2.5rem;
       font-size: 1.8rem;
       color: var(--text-color);
       background-color: var(--second-bg-color);
       border-radius: 2rem;
       border: 2px solid var(--main-color);
       margin: 1.5rem 0;
       resize: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button{
       -webkit-appearance: none;
       margin: 0;
}

.footer{
       position: relative;
       bottom: 0;
       width: 100%;
       padding: 40px 0;
       background-color: var(--second-bg-color);
}

.footer .social{
       text-align: center;
       padding-bottom: 25px;
       color: var(--main-color);
}

.footer .social a{
       font-size: 25px;
       color: var(--main-color);
       border: 2px solid var(--main-color);
       width: 42px;
       height: 42px;
       line-height: 42px;
       display: inline-block;
       text-align: center;
       border-radius: 50%;
       margin: 0 10px;
       transition: 0.3s ease-in-out;
}

.footer .social a:hover{
       transform: scale(1.2) translateY(-10px);
       background-color: var(--main-color);
       color: black;
       box-shadow: 0 0 25px var(--main-color);
}

.footer ul{
       margin-top: 0;
       padding: 0;
       margin-bottom: 0;
       text-align: center;  
       font-size: 18px;
       line-height: 1.6;
}

.footer ul li a{
       color: #fff;
       border-bottom: 3px solid transparent;
       transition: 0.3s ease-in-out;
}

.footer ul li a:hover{
       border-bottom: 3px solid var(--main-color);
       color: var(--main-color);
}

.footer ul li{
       display: inline-block;
       padding: 0 15px;

}

.footer .copyright{
       margin-top: 50px;
       text-align: center;
       color: #fff;
       font-size: 16px;
}


@media (max-width: 1024px) {

    section {
        padding: 5rem 2rem;
    }

    .home {
        flex-direction: column;
        text-align: center;
        gap: 5rem;
    }

    .home-img img {
        width: 80%;
        max-width: 400px;
    }

    .services-container,
    .wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services-container .services-box,
    .wrapper .box {
        margin: 0 auto;
        width: 100%;
        max-width: 500px;
    }


    .time-line-items {
        width: 100%;
        padding: 0 2rem;
    }

    .time-line-content {
        width: 100%;
        margin: 2rem auto;
    }

    .navbar {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 5%;
        width: 200px;
        background: var(--second-bg-color);
        padding: 2rem;
        border-radius: 1rem;
        text-align: right;
    }

    .navbar.active {
        display: flex;
    }

    #menu-icon{
       font-size: 3.6rem;
       color: var(--main-color);
       display: flex;
    }
}



@media (max-width: 768px) {
    html {
        font-size: 40%;
    }

    .home-content h1 {
        font-size: 4.5rem;
    }

    .home-content h3 {
        font-size: 2.5rem;
    }

    .text-animations {
        font-size: 2.2rem;
        min-width: unset;
    }

    .heading {
        font-size: 4.5rem;
    }
    .time-line-item {
        padding: 0 !important;
    }

    .time-line-items::before {
        left: 10px;
    }

    .time-line-dot {
        left: 2px;
    }

    .time-line-content {
        padding: 2rem;
        margin-left: 2.5rem;
        border-radius: 2rem;
    }

    .time-line-date {
        font-size: 1.6rem;
    }

    .time-line-content h3 {
        font-size: 1.8rem;
    }

    .time-line-content p {
        font-size: 1.4rem;
        line-height: 1.6rem;
    }
    #menu-icon{
       font-size: 3.6rem;
       color: var(--main-color);
       display: flex;
    }
}

.yakinda{
       margin: auto;
       font-size: 50px;
       position: relative;
       text-align: center;
       justify-content: center;
       display: flex;
       align-items: center;
}

.home-2{
       display: flex;
       justify-content: center;
       align-items: center;
       gap: 15rem;
       background-color: var(--bg-color);
}

.home-content-2{
       display: flex;
       flex-direction: column;
       align-items: baseline;
       justify-content: center;
       text-align: left;
       margin-top: 3rem;
}

.home-content-2 h1{
       font-size: 7rem;
       font-weight: 700px;
       margin-top: 1.5rem;
       line-height: 1;
       text-align: center;
}

.home-content-2 h3{
       margin-bottom: 2rem;
       margin-top: 1rem;
       font-size: 3.5rem;
       text-align: center;
}

.home-content-2 p {
       font-size: 2rem;
       font-weight: 500px;
       line-height: 1.8;
       max-width: 1000px;
       margin: auto;
       margin-top: 20px;
       text-align: center;
}

.header-2{
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
       padding: 4rem 12% 4rem;
       background-color: rgba(0, 0, 0, 0.3);
       backdrop-filter: blur(10px);
       display: flex;
       justify-content: space-between;
       align-items: center;
       z-index: 5;
}


.project-container{
       display: grid;
       grid-template-columns: repeat(3, 1fr);
       align-items: center;
       gap: 2.5rem;
       background-color: var(--second-bg-color);
       position: relative;
}

.project-container .heading {
  grid-column: 1 / -1;
  display: block;
}


.box{
       background-color: var(--main-color);
       height: 200px;
       border-radius: 3rem;
       border: 5px solid transparent;
       cursor: pointer;
       transition: all 0.3s ease-in-out;
       overflow: hidden;
       max-height: 200px;
       text-align: center;
       padding: 2rem;
       display: flex;
       flex-direction: column;
       justify-content: center;
}

.hidden {
       display: none;
}

.box:hover{
       background-color: #ffffff;
       border: 5px solid var(--main-color);
       transform: scale(1.02);
       box-shadow: 0 0 20px var(--main-color);
}

.box h2{
       font-size: 2.8rem;
       font-weight: 700;
       line-height: 1.4;
       margin-bottom: 1rem;
       color: #fff;
       transition: color 0.3s ease-in-out;
}

.box p{
       font-size: 1.6rem;
       font-weight: 500;
       line-height: 1.6;
       color: #fff;
       transition: color 0.3s ease-in-out;
}

.box:hover h2,
.box:hover p {
       color: #000;
}

.box a{
       color: inherit;
       text-decoration: none;
       display: flex;
       flex-direction: column;
       height: 100%;
       justify-content: center;
       padding: 1rem;
}

.btn-1{
       display: inline-block;
       padding: 1rem 2.8rem;
       box-shadow: 0 0 25px var(--main-color);
       color: black;
       background-color: var(--main-color);
       border-radius: 4rem;
       font-size: 1.6rem;
       border: 2px solid transparent;
       letter-spacing: 0.1rem;     
       font-weight: 600px;
       transition: all 0.4s ease-in-out;
       cursor: pointer;
       grid-column: 2;
       margin: 0 auto;
}

.btn-1:hover{
       transform: scale(1.05);
       box-shadow: 0 0 50px var(--main-color);
}


.project-container a{
       text-decoration: none;
       display: block;
       width: 100%;
       height: 100%;
       
}

.blogs{
       background-color: var(--bg-color);
       color: white;
       text-align: center;
}

.blogs h2{
       color: #fff;
       margin-bottom: 5rem;
       text-align: center;
}

.blogs-container{
       display: grid;
       grid-template-columns: repeat(2, 1fr);
       align-items: center;
       gap: 2.5rem;
}

.blogs-box{
       background-color: var(--main-color);
       height: 200px;
       border-radius: 3rem;
       border: 5px solid transparent;
       cursor: pointer;
       transition: 0.4s ease-in-out;
       text-align: center;
}

.blogs-box:hover{
       background-color: #ffffff;
       color: black;
       border: 5px solid var(--main-color);
       transform: scale(1.03);
}

.blogs-box .blogs-info{
       display: flex;
       flex-direction: column;
       text-align: center;
       max-height: 200px;
       justify-content: center;
       align-items: center;
       padding: 5rem 5rem;
}

.blogs-info h4{
       font-size: 3rem;
       font-weight: 800;
       line-height: 2;
       text-align: center;
}

.blogs-info p{
       font-size: 1.6rem;
       font-weight: 600;
       max-height: 100px;
       line-height: 1.7rem;
       margin: auto;
       text-align: center;
}

.blogs-container a{
       text-decoration: none;
       display: block;
       width: 100%;
       height: 100%;
       color: #fff;
}


.footer-2{
       position: relative;
       bottom: 0;
       width: 100%;
       padding: 40px 0;
       background-color: var(--second-bg-color);
}

.footer-2 .social{
       text-align: center;
       padding-bottom: 25px;
       color: var(--main-color);
}

.footer-2 .social a{
       font-size: 25px;
       color: var(--main-color);
       border: 2px solid var(--main-color);
       width: 42px;
       height: 42px;
       line-height: 42px;
       display: inline-block;
       text-align: center;
       border-radius: 50%;
       margin: 0 10px;
       transition: 0.3s ease-in-out;
}

.footer-2 .social a:hover{
       transform: scale(1.2) translateY(-10px);
       background-color: var(--main-color);
       color: black;
       box-shadow: 0 0 25px var(--main-color);
}

.footer-2 ul{
       margin-top: 0;
       padding: 0;
       margin-bottom: 0;
       text-align: center;  
       font-size: 18px;
       line-height: 1.6;
}

.footer-2 ul li a{
       color: #fff;
       border-bottom: 3px solid transparent;
       transition: 0.3s ease-in-out;
}

.footer-2 ul li a:hover{
       border-bottom: 3px solid var(--main-color);
       color: var(--main-color);
}

.footer-2 ul li{
       display: inline-block;
       padding: 0 15px;

}

.footer-2 .copyright{
       margin-top: 50px;
       text-align: center;
       color: #fff;
       font-size: 16px;
}

/* Tablet boyutları (max 1024px) */
@media (max-width: 1024px) {
    .slider {
        gap: 20px;
        padding: 0 calc(50vw - 350px);
    }
    
    .slide {
        width: 160px;
        height: 90px;
    }
    
    .slide:nth-child(2) {
        width: 200px;
        height: 110px;
    }
    
    .home-content-2 h1 {
        font-size: 4rem;
    }
    .home-content-2 p {
        font-size: 1.6rem;
        max-width: 90%;
    }

    .project-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .btn-1 {
        grid-column: 1 / -1;
    }

    .blogs-container {
        grid-template-columns: repeat(1, 1fr);
    }

    #menu-icon{
       font-size: 3.6rem;
       color: var(--main-color);
       display: flex;
       cursor: pointer;
    }

    .navbar {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 270px;
        padding: 2rem;
        background: var(--second-bg-color);
        border: 1px solid var(--main-color);
        border-radius: 0.5rem;
    }

    .navbar.active {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .navbar a {
        display: block;
        font-size: 1.8rem;
        margin: 0.5rem 0;
    }
}

/* Telefon boyutları (max 768px) */
@media (max-width: 768px) {
    .slider-container {
        height: 100px;
    }
    
    .slider {
        gap: 15px;
        padding: 0 calc(50vw - 250px);
    }
    
    .slide {
        width: 140px;
        height: 80px;
    }
    
    .slide:nth-child(2) {
        width: 180px;
        height: 100px;
    }
    
    .header-2 {
        padding: 2rem 5%;
    }
    html{
       font-size: 40%;
       overflow-x: hidden;
}

    .home-2 {
        flex-direction: column;
        gap: 5rem;
        text-align: center;
    }

    .home-content-2 {
        align-items: center;
        margin-top: 2rem;
    }

    .home-content-2 h1 {
        font-size: 3rem;
    }

    .home-content-2 p {
        font-size: 1.4rem;
        margin-top: 1rem;
    }

    .project-container {
        grid-template-columns: 1fr;
    }

    .btn-1 {
        grid-column: 1;
        margin: 2rem auto;
    }

    .blogs-container {
        grid-template-columns: 1fr;
    }

    .box, .blogs-box {
        height: auto;
        padding: 2rem;
    }
}

/* Küçük telefon boyutları (max 480px) */
@media (max-width: 480px) {
    .home-content-2 h1 {
        font-size: 2.2rem;
    }
    .home-content-2 p {
        font-size: 1.2rem;
    }

    .btn-1 {
        font-size: 1.4rem;
        padding: 0.8rem 2rem;
    }

    .footer-2 ul li {
        display: block;
        padding: 10px 0;
    }
    html{
       font-size: 40%;
       overflow-x: hidden;
}
}