.calculator {
    background: var(--panel);
    border-radius: 16px;
    padding: 24px;
}

.calc-box {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.calc-box input {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: none;
    font-size: 15px;
}

.calc-box button {
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: white;
    font-size: 15px;
    cursor: pointer;
}

.calc-box button:hover {
    opacity: 0.9;
}

.result {
    margin-top: 16px;
    font-size: 18px;
    font-weight: 600;
}
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: #0f1424;
}

.logo {
    font-size: 22px;
    font-weight: 800;
}

.logo span {
    color: var(--accent);
}

.menu a {
    margin-left: 18px;
    font-size: 14px;
    text-decoration: none;
    color: var(--muted);
}

.menu a:hover {
    color: var(--text);
}
.back-home{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-bottom:18px;
    padding:8px 14px;
    font-size:13px;
    font-weight:500;
    color:#fff;
    background:rgba(139,92,246,0.15);
    border:1px solid rgba(139,92,246,0.4);
    border-radius:8px;
    text-decoration:none; /* ALT ÇİZGİ GİTTİ */
    transition:all .2s ease;
}

.back-home:hover{
    background:rgba(139,92,246,0.25);
}
.site-footer{
    margin-top:80px;
    background:#0f1424;
    padding:40px 20px 20px;
    color:#a0a6c3;
    font-size:14px;
}

.footer-content{
    max-width:1000px;
    margin:auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:30px;
}

.site-footer h3,
.site-footer h4{
    color:#fff;
    margin-bottom:10px;
}

.site-footer a{
    display:block;
    color:#a0a6c3;
    text-decoration:none;
    margin-bottom:6px;
}

.site-footer a:hover{
    color:#fff;
}

.footer-bottom{
    text-align:center;
    margin-top:30px;
    font-size:12px;
    opacity:.6;
}
.ad{
    margin:30px 0;
    padding:20px;
    text-align:center;
    background:#10162a;
    border-radius:10px;
    color:#777;
  
}
/* HEADER */
header{
    padding:25px 20px;
    text-align:center;
    border-bottom:1px solid rgba(255,255,255,.05);
}

header h1{
    margin:0;
    font-size:26px;
}

header span{
    color:var(--accent);
}

header p{
    margin-top:8px;
    font-size:14px;
    color:var(--muted);
}
:root{
    --bg:#05070f;
    --panel:#0e1626;
    --card:#121c33;
    --accent:#8b5cf6;
    --text:#ffffff;
    --muted:#a0a6c3;
}

body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    background:radial-gradient(circle at top, #0b1220, var(--bg));
    color:var(--text);
}

/* HEADER */
header{
    padding:25px 20px;
    text-align:center;
    border-bottom:1px solid rgba(255,255,255,.05);
}

header h1{
    margin:0;
    font-size:26px;
}

header span{
    color:var(--accent);
}

header p{
    margin-top:8px;
    font-size:14px;
    color:var(--muted);
}

/* CONTAINER */
.container{
    max-width:1100px;
    margin:40px auto;
    padding:0 20px;
}

/* GRID */
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
}

/* CARD */
.card{
    background:var(--card);
    padding:22px;
    border-radius:16px;
    text-decoration:none;
    color:#fff;
    transition:all .2s ease;
    border:1px solid rgba(255,255,255,.04);
}

.card:hover{
    transform:translateY(-4px);
    border-color:rgba(139,92,246,.4);
}

.card h3{
    margin:0 0 10px;
    font-size:18px;
}

.card p{
    margin:0;
    font-size:14px;
    color:var(--muted);
}

/* FOOTER */
footer{
    margin-top:80px;
    background:#0f1424;
    padding:30px 20px;
    text-align:center;
    font-size:13px;
    color:var(--muted);
}
footer a{
    color:var(--muted);
    margin:0 8px;
    text-decoration:none;
}
footer a:hover{
    color:#fff;
}
a {
      color: #facc15;
      text-decoration: none;
    }

    header {
      background: #020617;
      padding: 20px;
      border-bottom: 1px solid #1e293b;
    }

    header .container {
      max-width: 1100px;
      margin: auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      font-size: 22px;
      font-weight: bold;
    }

    .logo span {
      color: #facc15;
    }
    .container{
    max-width:1000px;
    margin:80px auto;
    background:#0f172a;
    padding:30px;
    border-radius:16px;
    box-shadow:0 20px 50px rgba(0,0,0,.6);
}
.header {
  position: sticky;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 15px 30px;
 background:#10162a;
}

.logo {
  color: #f1c40f;
  font-size: 20px;
  font-weight: bold;
}

.menu a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

.menu a:hover {
  color: #f1c40f;
}
.yks-sayac {
  max-width: 520px;
  margin: 40px auto;
  background: #1f2347;
  padding: 30px;
  border-radius: 16px;
  text-align: center;
  color: #ffffff;
}

.yks-sayac h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.yks-sayac p {
  font-size: 14px;
  opacity: .9;
  margin-bottom: 20px;
}

.sayac {
  display: flex;
  justify-content: space-between;
}

.sayac div {
  width: 23%;
  background: rgba(255,255,255,.1);
  padding: 15px;
  border-radius: 12px;
  margin: 10px;
}
.sayac div:hover{
    color: #f1c40f;

}

.sayac span {
  font-size: 30px;
  font-weight: bold;
}
.yks-sayac-alani {
  max-width: 1100px;
  margin: 40px auto;
  text-align: center;
  padding: 20px;
}

.yks-sayac-alani h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

.sayaclar {
  display: flex;
  gap: 30px;
  
  justify-content: center;
  margin-top: 5px;
}

.sayac-kutu {
  background: #1f2347;
  color: #fff;
  padding: 25px;
  border-radius: 18px;
  width: 100%;
  max-width: 480px;
}

.sayac {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.sayac div {
  width: 23%;
  background: rgba(255,255,255,.12);
  padding: 15px 10px;
  border-radius: 12px;
}

.sayac span {
  font-size: 28px;
  font-weight: bold;
}

@media (max-width: 600px) {
  .sayac span {
    font-size: 22px;
  }
}