html{
  font-size:16px;
  scroll-behavior: smooth;
}
:root{
  --bgcolor:#000000;
  --cardbg:#222222;
  --title:#F6F6F6;
  --text:#F6F6F6;
  --links:#EE2B47;
  --animations:#EE2B47;
  --hover:#EE2B47;
}
body{
  background-color:var(--bgcolor);
  font-family: 'Open Sans', sans-serif;
}
header #main-title{
  text-align:center;
  color:var(--title);
  font-size:2.2rem;
}
header #main-bottom-title{
  text-align:center;
  color:var(--title);
  font-size:1.5rem;
}
.nav-container ul{
  display:flex;
  gap:30px;
  list-style:none;
  justify-content:center;
  margin-bottom:5rem;
}
.nav-container a{
  text-decoration:none;
  color:var(--links);
  font-size:1rem;
}
hr{
  border:none;
  height:2px;
  background: linear-gradient(to right, transparent, var(--animations), transparent);
  margin: 40px 0;
}
.hero-container{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-content:center;
  text-align:center;
  margin-top:-2.5rem;
}
#hero{
  background:var(--cardbg);
  width:100%;
  color:var(--text);
  font-size:1.1rem;
  letter-spacing:0.8px;
}
#hero-layout{
  display:flex;
  align-items:center;
  gap:30px;
}
.sidebar {
  position: fixed;
  top: 50%;
  left: -180px; /* ilk başta gizli */
  transform: translateY(-50%);
  width: 180px;
  background:var(--animations);
  color: white;
  padding: 20px;
  border-radius: 0 10px 10px 0;
  transition: left 0.3s ease;
}

.sidebar:hover {
  left: 0; /* hover olunca içeri kayar */
}

.sidebar .tab {
  position: absolute;
  top: 50%;
  right: -25px; /* aside'ın dışında görünür */
  transform: translateY(-50%);
  width: 25px;
  height: 50px;
  background:var(--cardbg);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 0 0;
}

.sidebar ul li {
  margin: 10px 0;
}

.sidebar ul li a {
  color: white;
  font-size: 1.5rem;
  transition: color 0.3s;
}

.sidebar ul li a:hover {
  color: #38bdf8;
}

i{
  color:var(--text);
  font-size:1.8rem;
}
.article-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
  padding: 30px;
  margin-left:8rem;
  margin-top:2rem;
  z-index:1;
  align-items:center;
}

.article-container article {
  background: var(--cardbg);
  color: var(--title-color);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-container article:hover {
  transform: translateY(-10px); /* yukarı kalkma */
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}


.article-container h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
  color: var(--text);
}

.article-container p {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text-color);
}
.projects a{
  text-decoration:none;
  color:var(--links);
  font-size:1.1rem;
}
.projects .project-paragraphs{
  color:var(--text);
  font-size:0.9rem;
}
/* What I Offer */
#offer {
  padding: 40px 16px;
}

.offer-title {
  text-align: center;
  color: var(--title);
  margin-bottom: 18px;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); /* 2 sütun (genişte) - mobile'da 1 */
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.offer-card {
  background: var(--cardbg);
  color: var(--text);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  transition: transform .25s ease, box-shadow .25s ease;
}

.offer-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 14px 32px rgba(0,0,0,.35);
}

.offer-card h3 {
  color: var(--title-color);
  margin: 0 0 8px;
}

.offer-card p {
  margin: 0;
}

.offer-card .icon {
  font-size: 28px;
  color: var(--link-color);
  margin-bottom: 10px;
  display: inline-block;
}

.hire-button{
  color:var(--links);
  text-decoration:none;
  font-size:1.1rem;
}

#about{
  display:inline-flex;
  border:2px var(--animations) solid;
  padding:20px;
  justify-content:center;
  align-items:center;
  margin-left:32rem;

}
.about-container{
  display:inline-block;
  justify-content:center;
  align-items:center;
}
#about h3{
  text-align:center;
  color:var(--title);
}
.about-text{
  max-width:800px;
  margin:0 auto;
  text-align:center;
  color:var(--text);
  letter-spacing:1.5px;
  font-weight:bold;
  font-style:normal;
}
#hire-me {
  max-width: 500px;
  margin: 50px auto;
  padding: 20px;
  border: 2px solid var(--animations);
  border-radius: 10px;
  background: var(--cardbg);
  color: var(--texttitle);
}

#hire-me h2 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.hire-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.hire-form label {
  font-size: 0.9rem;
  font-weight: bold;
  color: var(--text);
}

.hire-form input,
.hire-form textarea {
  padding: 10px;
  border: 1px solid #334155;
  border-radius: 6px;
  font-size: 1rem;
  background: var(--bgcolor);
  color: var(--texttitle);
}

.hire-form input:focus,
.hire-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 5px var(--primary);
}

.hire-form button {
  padding: 12px;
  border: none;
  border-radius: 6px;
  background: var(--primary);
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.hire-form button:hover {
  background: var(--hover);
}
#hire-text{
  color:var(--title)
}
@media (max-width: 768px) {
  .nav-container ul {
    flex-wrap: wrap;
    gap: 15px;
  }
  .article-container {
    margin-left: 0;
    padding: 20px;
  }
  #about {
    margin-left: 0;
    display: block;
    text-align: center;
  }
  .sidebar {
    display: none;
  }
  .offer-grid {
    grid-template-columns: 1fr;
  }
  #hire-me {
    width: 90%;
  }
}
.slide-in-right {
  opacity: 0;
  transform: translateX(80px);
  animation: slideRight 1s ease forwards;
}
@keyframes slideRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.slide-in-up {
  opacity: 0;
  transform: translateY(60px);
  animation: slideUp 1.2s ease forwards;
  animation-delay: 0.4s;
}
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
#main-bottom-title {
  background: linear-gradient(90deg, #ffffff, #ee2b47, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 300% 300%;
  animation: gradientMove 10s infinite linear;
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
#main-title {
  font-size: 2.5rem;
  color:var(--title);
  text-align: center;
  letter-spacing:0;
}
#main-title span {
  display: inline-block;
  opacity: 0.3;
  animation: fadeColor 0.6s forwards;
  margin-right: -2px;
}
#main-title span:nth-child(1) { animation-delay: 0.1s; }
#main-title span:nth-child(2) { animation-delay: 0.2s; }
#main-title span:nth-child(3) { animation-delay: 0.3s; }
#main-title span:nth-child(4) { animation-delay: 0.4s; }
#main-title span:nth-child(5) { animation-delay: 0.5s; }
#main-title span:nth-child(6) { animation-delay: 0.6s; }
#main-title span:nth-child(7) { animation-delay: 0.7s; }

@keyframes fadeColor {
  0%   { color: var(--title); opacity: 0.3; transform: translateY(10px); }
  100% { color: var(--animations); opacity: 1; transform: translateY(0); }
}
button, .hire-button {
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
button:hover, .hire-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.6);
}
#copyright p{
  text-align:center;
  color:var(--title);
  font-weight:bold;
}