*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
html, body{
    width: 100%;
    height: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body{
    background: #03FDEF;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background: linear-gradient(336deg, rgba(3, 253, 239, 1) 0%, rgba(0, 0, 0, 1) 50%, #03fdef 100%);
    color: #333;
    line-height: 1.6;
    height: 100vh;
    opacity: 0;
}
main{
    padding: 7rem;
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: start;
    overflow:auto;
    align-items: center;
}

/* scroll */
::-webkit-scrollbar {
    width: 0.5rem;
}
::-webkit-scrollbar-thumb {
    background: #03FDEF;
    border-radius: 4px;
}

.container-fluid {
    width: 100%;
    height: 93vh;
    margin: auto;
    overflow: hidden;
    position: relative;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}
.logo {
    position: absolute;
    top: 0.2rem;
    left: 0.2rem;
    height: 2.4rem;
}
.logo img{
    height: 100%;
}
.menu{
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    text-align: center;
}
.social-media{
    background: linear-gradient(336deg, rgba(3, 253, 240, 0.322) 0%, rgba(0, 0, 0, 0.329) 5%, rgba(3, 253, 240, 0.322) 100%);
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    padding: 20px 0;
    z-index: 1000;
    border-radius: 1rem 1rem 0 0;
}
.social-media a{
    color: white;
    font-size: 1rem;
    margin: 0 5px;
    border-radius: 50%;
    padding: 10px;
    border-bottom: transparent 2px solid;
    transition:all 0.3s ease-in-out;
}
.social-media a:hover{
    color: #03FDEF;
    border-bottom: #03FDEF 2px solid;
}
.container{
    width: 80%;
    margin: auto;
    overflow: hidden;
}
.alert{
    max-width: 25rem;
    padding: 0.5rem 1rem;
    position: absolute !important;
    bottom: 0;
    left: 0.5rem;
    font-size: 0.7rem;
    color: #fff !important;
    border-top-right-radius: 0.5rem;
    border: none !important;
    text-align: left;
    z-index: 501;
    background: linear-gradient(336deg, rgb(1, 59, 56) 0%, rgb(0, 163, 155) 50%, rgb(1, 59, 56) 100%);
    
}
.btn-close{
    filter: invert(100%) !important;
}

/*** Nav ***/
.sidebar{
    position: absolute;
    top: 50%;
    left: 0;
    display: flex;
    flex-direction: column;
    transform: translateY(-50%);
    z-index: 1000;
    gap:1rem;
    background-color: #6e6e6e;
    padding: 0.5rem;
    border-radius: 0 1rem 1rem 0;
}
.sidebar a{
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    border-radius: 5px;
    transition: all 0.4s cubic-bezier(.68,-0.55,.27,1.55);
}
.sidebar a:hover{
    filter:drop-shadow(0 0 0.2rem #03fdf0);
    transform: scale(1.03);
}
.sidebar-btn{
    position: absolute;
    width: 3rem;
    top: 50%;
    left: 0;
    display: flex;
    align-items: end;
    justify-content: center;
    flex-direction: column;
    transform: translateY(-50%);
    z-index: 1000;
    cursor: pointer;
    background-color: #6e6e6e;
    padding: 0.5rem;
    border-radius: 0 1rem 1rem 0;
    transition: all 0.4s cubic-bezier(.68,-0.55,.27,1.55);
}
.sidebar-btn img{
    transition: all 0.4s cubic-bezier(.68,-0.55,.27,1.55);
}
.sidebar-btn:hover{
    width: 4rem;
}
.sidebar-menu-icon{
    width: 2rem;
}
.sidebar-close{
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    cursor: pointer;
    background-color: #6e6e6e;
    padding: 0.1rem;
    border-radius: 1rem;
}
.sidebar-close-icon{
    width: 1.5rem;
    transition: all 0.3s ease-in-out;
}
.sidebar-close-icon:hover{
    transform: scale(1.1);
    filter:drop-shadow(0 0 0.2rem #c20000);
}
.text{
    position: absolute;
    top: 0;
    left: 50%;
    padding: 0.2rem 0.5rem;
    border-radius: 0 0 0.5rem 0.5rem;
    transform: translateX(-50%);
    background-color: rgb(199, 199, 199);
    font-size: 1rem;
    letter-spacing: 0.3rem;
    text-transform: uppercase;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
}


/*** Bölümler ***/

/* Hakkımda */

.hakkimda{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
}
.hakkimda-image{

    display: flex;
    justify-content: end;
    align-items: end;
    
}
.hakkimda-image img{
    width: 50%;
    filter: invert(40%);
    height: auto;
    position:absolute;
    bottom:-6rem;
    right:0;
    opacity: 0.2;
    z-index: 0;
    
}
.cv-buton{
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #03FDEF;
    color: #000;
    border-radius: 1rem;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(3, 253, 239, 0.5);
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    font-size: 0.9rem;
}
.cv-buton:hover{
    background: transparent;
    color: #03FDEF;
}
.iletisim-buton{
    display: inline-block;
    padding: 0.5rem 1rem;
    color: #03FDEF;
    border-radius: 1rem;
    border: 2px solid #03FDEF;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    font-size: 0.9rem;
}
.iletisim-buton:hover{
    background: #03FDEF;
    color: #000;
}
.geri-don{
    display: inline-block;
    padding: 0.3rem 0.6rem;
    margin-right: 0.5rem;
    color: #03FDEF;
    border-radius: 1rem;
    border: 2px solid #03FDEF;
    text-decoration: none;
    font-weight: normal;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    font-size: 0.9rem;
}
.geri-don:hover{
    background: #03FDEF;
    color: #000;
}

/* Proje */

.proje-col{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.proje-col a{
    text-decoration: none;
    width: 100%;
    height: 100%;
}
.proje-card{
    background: linear-gradient(120deg, #03fdef 0%, #0000007a 50%, #03fdef 100%);
    background-size: 260% 100%;
    position: relative;
    overflow: hidden;
    display:flex;
    justify-content: center;
    align-items: center;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    width: 100%;
    height: 15rem !important;
}
.proje-card-hover{
    background: linear-gradient(120deg, #03fdef 0%, #000000c2 50%, #03fdf0c7 100%);
    background-size: 220% 100%;
    opacity: 0;
    height: 100%;
    width: 100%;
    transition: all 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.proje-card-hover:hover{
    background-position:100% 0;
    opacity: 1;
}
.proje-card-hover h5{
    color: #fff;
    text-align: left;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600
}
.proje-card-hover p{
    color: #fff;
    text-align: left;
    padding: 0 1rem;
    font-size: 0.9rem;
}
.proje-card img{
    border-radius: 1rem;
    width: 60%;
    object-fit: cover;
    transition: transform 0.5s ease-in-out;
}
.proje-card-img{
    width: 20%;
    transition: transform 0.5s ease-in-out;
}
.proje-card:hover img{
    transform: scale(1.1);
}

/* Tasarım */

.tasarim-col{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.tasarim-col a{
    text-decoration: none;
    width: 100%;
    height: 100%;
}
.tasarim-card{
    background: linear-gradient(90deg, #ffffff, #00b4abbd, #121212af);
    background-size: 200% 100%;
    position: relative;
    overflow: hidden;
    display:flex;
    justify-content: center;
    align-items: center;
    border: none !important;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    width: 20rem;
    height: 15rem !important;
}
.tasarim-card-hover{
    background: linear-gradient(90deg, #ffffff, #00b4abbd, #121212c9);
    background-size: 200% 100%;
    opacity: 0;
    height: 100%;
    width: 100%;
    transition: all 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.tasarim-card-hover:hover{
    background-position:100% 0;
    opacity: 1;
}
.tasarim-card-hover h5{
    color: #fff;
    text-align: left;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600
}
.tasarim-card-hover p{
    color: #fff;
    text-align: left;
    padding: 0 1rem;
    font-size: 0.9rem;
}
.tasarim-card img{
    border-radius: 1rem;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease-in-out;
}
.tasarim-card-img{
    width: 20%;
    transition: transform 0.5s ease-in-out;
}
.tasarim-card:hover img{
    transform: scale(1.1);
}
/* Mobilde aktif hover için */
.tasarim-card.active-hover .tasarim-card-hover {
    opacity: 1 !important;
    visibility: visible !important;
    background-position:100% 0;
}

.foot-effect{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5rem;
    background: linear-gradient(0deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
    z-index: 500;
}

/* Eğitim */
.container{
    width: 70rem !important;
    padding: 20px 0;
    overflow: auto;
}
.timeline {
    position: relative;
    margin: 40px 0;
}
.timeline mark{
    background: linear-gradient(336deg, rgb(1, 59, 56) 0%, rgb(0, 163, 155) 50%, rgb(1, 59, 56) 100%);
    background-size: 200% 100%;
    color: white;
    border-radius: 0.5rem;
    padding:0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}
.timeline mark:hover{
    background-position:100% 0;
}
.timeline-title{
    text-align: left;
    padding-left: 3.3rem;
    font-size: 32px;
    margin-bottom: 2.5rem;
    color: white;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 0;
    width: 3px;
    height: 100%;
    background: #03fdef;
}

.timeline-item {
    position: relative;
    margin-left: 50px;
    margin-bottom: 40px;
    opacity: 1;
    transition: 0.6s ease;
}
.timeline-item::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 5px;
    width: 15px;
    height: 15px;
    background: #03fdef;
    border-radius: 50%;
}

.timeline-content {
    background: #f5f5f5;
    padding: 15px 20px;
    border-radius: 10px;
    border-left: 4px solid #03fdef;
    position: relative;
}
.dasal-logo{
    width: 2.8rem;
    height: 2.8rem;
    background-color: #fff;
    position: absolute;
    top: 0;
    left: -3.1rem;
    border-radius: 50%;
    padding: 0.6rem;
}
.dasal-logo img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Yetenekler */
.section-title {
    margin-top: 1rem;
    font-size: 26px;
    color: white;
}

.skill-bar {
    margin: 20px 0;
}

.skill-bar span {
    font-size: 16px;
    font-weight: bold;
    color: white;
}

.progress {
    background: #e0e0e0;
    height: 12px;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 5px;
}

.progress-bar {
    width: 0;
    background: #005f5a !important;
    transition: width 1.5s ease;
}
.skill-card{
    border: none !important;
    background: linear-gradient(120deg, #005752 0%, #00d8cd 50%);
    background-size: 200% 100%;
    position: relative;
    overflow: hidden;
    padding: 3rem;
}

/* İletişim */

.login-box {
    width: 100%;
    padding: 40px;
    background: linear-gradient(336deg, rgb(1, 59, 56) 0%, rgb(0, 163, 155) 50%, rgb(1, 59, 56) 100%);
    background-size: 200% 100%;
    box-sizing: border-box;
    border-radius: 10px;
    color: #fff;
    z-index: 1000;
    transition: all 0.4s ease-in-out;
}
.login-box:hover{
    background-position: 100% 0%;
    
}

.login-box h5 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input{
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}
.login-box .user-box label {
  position: absolute;
  top:0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label,
.login-box .user-box textarea:focus ~ label,
.login-box .user-box textarea:valid ~ label
{
  top: -20px;
  left: 0;
  color: #03e9f4;
  font-size: 12px;
}

.login-box .user-box textarea{
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}


.login-box form a {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #03e9f4;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: .5s;
  margin-top: 40px;
  letter-spacing: 4px
}

.iletisim-bilgi{
    width: 100%;
    border: none !important;
    color: white;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: linear-gradient(336deg, rgb(1, 59, 56) 0%, rgb(0, 163, 155) 50%, rgb(1, 59, 56) 100%);
    background-size: 200% 100%;
    transition: all 0.5s ease-in-out;
}
.iletisim-bilgi:hover{
    background-position: 100% 0%;
    
}
.iletisim-bilgi i{
    font-size: 1.5rem;
    margin-right: 1rem;
    color: #005f5a;
}
.iletisim-bilgi a{
    text-decoration: none;
    color: black !important;
}
.tel,.mail,.konum,.link{
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: start;
    background-color: #dbdbdbcc;
    color: black;
    cursor: pointer;
    transition:all 0.4s ease-in-out;
}
.tel:hover,
.mail:hover,
.konum:hover,
.link:hover{
    background-color: white;
    color: black;
}