/* styles.css - extracted from single-file template */

/* ====== Temel Değerler & Reset ====== */
:root{
  --bg: #0b1220;
  --bg-soft:#0f172a;
  --card:#111a2e;
  --text:#e6edf6;
  --muted:#91a1b9;
  --brand:#3b82f6;
  --brand-2:#22d3ee;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --ring: 0 0 0 .2rem rgba(59,130,246,.35);
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --container: 1200px;
  --speed: 220ms;
}
:root.light{
  --bg:#f7f9fc; --bg-soft:#ffffff; --card:#ffffff; --text:#0b1220; --muted:#506076;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font: 15px/1.65 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color:var(--text);
background: radial-gradient(1000px 500px at 100% -10%, rgba(34,211,238,.15), transparent 60%),
              radial-gradient(800px 400px at -10% 10%, rgba(59,130,246,.18), transparent 55%),
              var(--bg);
background-repeat: no-repeat; /* TEKRARLAMASIN */

}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button{font:inherit}

/* ====== Yardımcılar ====== */
.container{width:min(100% - 32px, var(--container)); margin-inline:auto}
.grid{display:grid; gap:20px}
.section{padding:80px 0}
.badge{display:inline-flex; align-items:center; gap:8px; font-weight:600; padding:6px 12px; border-radius:999px; background:linear-gradient(90deg, rgba(59,130,246,.15), rgba(34,211,238,.15)); border:1px solid rgba(148,163,184,.2)}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace}
.card{background:var(--card); border:1px solid rgba(148,163,184,.15); border-radius:var(--radius); box-shadow:var(--shadow)}
.btn{
  display:inline-flex; align-items:center; gap:10px; padding:12px 18px; border-radius:12px; font-weight:700; border:1px solid transparent;
  background:linear-gradient(90deg, var(--brand), var(--brand-2)); color:white; cursor:pointer; transition:transform var(--speed), box-shadow var(--speed), opacity var(--speed);
}
.btn:hover{transform:translateY(-1px); box-shadow:0 12px 30px rgba(0,0,0,.25)}
.btn.ghost{background:transparent; color:var(--text); border-color:rgba(148,163,184,.25)}
.btn.ghost:hover{background:rgba(148,163,184,.08)}
.btn.icon{padding:10px 12px; aspect-ratio:1/1}
.hidden{display:none!important}
.center{text-align:center}

/* ====== Üst Menü ====== */
.nav{
  position:sticky; top:0; z-index:50; backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(148,163,184,.15);
  position: fixed;    /* Sabitle */
  top: 0;
  left:0;
  right:0;
}
.nav .wrap{display:flex; align-items:center; justify-content:space-between; height:68px}
.brand{display:flex; align-items:center; gap:12px; font-weight:900; letter-spacing:.3px}
.brand-logo{width:34px; height:34px; border-radius:10px; background:linear-gradient(135deg, var(--brand), var(--brand-2)); display:grid; place-items:center; color:white; font-weight:900}
.menu{display:flex; gap:10px}
.menu a{padding:10px 12px; border-radius:10px; font-weight:600; color:var(--muted)}
.menu a:hover{background:rgba(148,163,184,.12); color:var(--text)}
.actions{display:flex; gap:10px; align-items:center}
.hamburger{display:none}

.theme-toggle{border:1px solid rgba(148,163,184,.25)}

/* ====== Hero ====== */
.hero{padding:90px 0 60px; position:relative; overflow:hidden}
.hero .inner{display:grid; grid-template-columns: 1.2fr 1fr; gap:40px; align-items:center}
.hero h1{font-size: clamp(28px, 4.4vw, 56px); line-height:1.07; margin:14px 0}
.hero p{color:var(--muted); font-size: clamp(15px, 2vw, 18px)}
.hero .cta{display:flex; gap:12px; margin-top:24px; flex-wrap:wrap}
.hero .visual{
  aspect-ratio: 4/3; border-radius: var(--radius-lg); background:
   radial-gradient(650px 300px at 110% -10%, rgba(34,211,238,.25), transparent 60%),
   radial-gradient(500px 300px at -10% 110%, rgba(59,130,246,.25), transparent 60%),
   linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,0));
  border:1px solid rgba(148,163,184,.15); position:relative; overflow:hidden;
}
.hero .visual svg{position:absolute; inset:0; width:100%; height:100%; opacity:.9}
.highlight {background:linear-gradient(90deg,var(--brand),var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent}
.meta-note {margin-top:18px; color:var(--muted)}

/* ====== Özellikler ====== */
.features{grid-template-columns:repeat(3,1fr)}
.feature{padding:22px; display:grid; gap:10px}
.feature .icon{width:44px; height:44px; border-radius:12px; display:grid; place-items:center; background:linear-gradient(135deg, rgba(59,130,246,.15), rgba(34,211,238,.15)); border:1px solid rgba(148,163,184,.18)}

/* ====== Portföy ====== */
.filters{display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-bottom:18px}
.portfolio{grid-template-columns:repeat(3,1fr)}
.item{position:relative; overflow:hidden; border-radius:16px; border:1px solid rgba(148,163,184,.15); background:var(--bg-soft)}
.item .cap{position:absolute; inset:auto 0 0 0; padding:14px; background:linear-gradient(to top, rgba(0,0,0,.55), transparent 60%); color:#fff; font-weight:700}
.tag{font-size:12px; opacity:.85}
.thumb{aspect-ratio: 16/10; display:grid; place-items:center}
.thumb svg{width:100%; height:100%}

/* ====== Testimonial Slider ====== */
.slider{position:relative; overflow:hidden}
.slide{display:none}
.slide.active{display:block; animation:fade .5s ease}
@keyframes fade{from{opacity:.4; transform:translateY(6px)} to{opacity:1; transform:translateY(0)}}
.slider .ctrl{position:absolute; top:50%; transform:translateY(-50%); background:rgba(15,23,42,.6); border:1px solid rgba(148,163,184,.25)}
.slider .ctrl.left{left:8px}
.slider .ctrl.right{right:8px}

/* ====== Fiyatlandırma ====== */
.pricing{grid-template-columns:repeat(3,1fr)}
.price-card{padding:24px; display:grid; gap:14px}
.price{font-size:34px; font-weight:900}
ul.clean{list-style:none; padding:0; margin:0; display:grid; gap:10px}
ul.clean li{display:flex; align-items:center; gap:10px}

/* ====== SSS / Akordeon ====== */
.faq{grid-template-columns:1fr 1fr}
.faq .q{padding:18px; border-radius:14px; border:1px solid rgba(148,163,184,.2); background:var(--bg-soft); cursor:pointer}
.faq .a{display:none; padding:0 18px 18px; color:var(--muted)}
.faq .q.open{border-color:rgba(34,211,238,.5); box-shadow:var(--ring)}

/* İletişim grid: 2 sütun */
.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr; /* Sol biraz büyük, sağ biraz küçük */
  gap: 2rem;
  align-items: start;
}

/* Form içi alanlar */
.form {
  display: grid;
  gap: 12px;
}

/* Mobilde tek sütun */
@media (max-width: 768px) {
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-right {
    margin-top: 20px;
  }
}

/* Input stilleri (önceden verdiğin) */
.input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,.25);
  background: var(--bg-soft);
  color: var(--text);
}
.input:focus {
  outline: none;
  box-shadow: var(--ring);
  border-color: transparent;
}

/* ====== Footer ====== */
.footer{padding:40px 0; color:var(--muted); border-top:1px solid rgba(148,163,184,.15)}

/* ====== Modals, Toast, Yardımcı ====== */
.modal{position:fixed; inset:0; display:grid; place-items:center; background:rgba(2,6,23,.65); opacity:0; pointer-events:none; transition:opacity var(--speed)}
.modal.open{opacity:1; pointer-events:auto}
.modal .box{width:min(92vw,900px); background:var(--card); border:1px solid rgba(148,163,184,.2); border-radius:18px; overflow:hidden; box-shadow:var(--shadow)}
.modal .box .head{display:flex; justify-content:space-between; align-items:center; padding:12px 14px; border-bottom:1px solid rgba(148,163,184,.14)}
.toast{position:fixed; right:20px; bottom:20px; padding:12px 14px; background:var(--bg-soft); border:1px solid rgba(148,163,184,.25); border-radius:12px; box-shadow:var(--shadow); display:none}
.toast.show{display:block; animation:fade .35s ease}

/* ====== Küçük Ekran ====== */
@media (max-width: 980px){
  .hero .inner{grid-template-columns:1fr}
  .features{grid-template-columns:1fr 1fr}
  .portfolio{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .menu{display:none}
  .hamburger{display:inline-flex; border:1px solid rgba(148,163,184,.25)}
}
@media (max-width: 580px){
  .features{grid-template-columns:1fr}
  .portfolio{grid-template-columns:1fr}
}
.reveal{opacity:0; transform:translateY(12px); transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1; transform:none}


 .ker_card {
      width: 400px;
      height: 200px;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      font-family: Arial, sans-serif;
    }

    /* Resim alanı */
    .ker_image {
      width: 100%;
      height: 200px;
      position: relative;
    }

    .ker_image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: fill;
    }

    /* Açıklama (resmin üzerinde) */
    .ker_desc {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      padding: 14px 18px;
      background: linear-gradient(to top, rgba(0,0,0,0.6), rgba(0,0,0,0));
      color: white;
      font-size: 14px;
      font-weight: bold;
      text-shadow: 0 2px 4px rgba(0,0,0,0.8);
      box-sizing: border-box;
    }

    .ker_sub {
      font-size: 12px;
      font-weight: normal;
      opacity: 0.9;
    }








.flip-box {
  width: 150px;
  height: 150px;
  perspective: 1000px; /* derinlik efekti için */
}

.flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: flip 2s infinite alternate;
}

.flip-front,
.flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 35px;
  font-weight: bold;
  backface-visibility: hidden; /* arka yüz görünmesin */
}

.flip-front {
background:linear-gradient(135deg, var(--brand), var(--brand-2)); display:grid; place-items:center; color:white; font-weight:900;
}

.flip-back {
background:linear-gradient(135deg, var(--brand), var(--brand-2)); display:grid; place-items:center; color:white; font-weight:900;
  transform: rotateY(180deg);
padding:5px;
}

@keyframes flip {
  0% {
    transform: rotateY(0);
  }
  100% {
    transform: rotateY(180deg);
  }
}




/* Feature cards - düzen ve ikon stili */
:root{
  --feature-gap: 30px;
  --feature-icon-size: 40px;      /* ikon büyüklüğü (iç ikon) */
  --feature-icon-bg: 72px;        /* ikon arkaplan boyutu (daire) */
  --feature-radius: 12px;
}

/* Grid: 3 sütun masaüstü, tablet 2, mobil 1 */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 sütun */
  gap: var(--feature-gap);
  align-items: start;
}

/* Responsive */
@media (max-width: 900px) {
  .features {
    grid-template-columns: repeat(2, 1fr); /* 2 sütun tablet */
  }
}
@media (max-width: 600px) {
  .features {
    grid-template-columns: 1fr; /* 1 sütun mobil */
  }
}

/* Kart genel görünümü — mevcut stilinle uyumlu olacak şekilde sade */
.card.feature {
  background: var(--card-bg, #fff);
  border-radius: var(--feature-radius);
  padding: 28px;
  box-shadow: 0 6px 18px rgba(16,24,40,0.06);
  text-align: center;                 /* başlık + içerik ortalanır */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-height: 220px;
  transition: transform .18s ease, box-shadow .18s ease;
}

/* Hover hafif kalkma efekti (opsiyonel) */
.card.feature:hover{
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(16,24,40,0.08);
}

/* İkon dairesi: ikonun taşmaması ve merkezlenmesi burada ayarlanır */
.card.feature .icon {
  width: var(--feature-icon-bg);
  height: var(--feature-icon-bg);
  min-width: var(--feature-icon-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34,211,238,0.10), rgba(59,130,246,0.10));
  box-shadow: 0 6px 14px rgba(16,24,40,0.04) inset;
  font-size: var(--feature-icon-size);
  line-height: 1;             /* emoji/simge taşmasını engeller */
  margin-bottom: 6px;
  color: var(--feature-icon-color, #0f172a);
  flex-shrink: 0;
}

/* Eğer SVG ya da <img> kullanıyorsan, bu boyutları uygula */
.card.feature .icon img,
.card.feature .icon svg {
  width: calc(var(--feature-icon-size) + 6px);
  height: calc(var(--feature-icon-size) + 6px);
  display: block;
}

/* Başlık ve paragraf stili */
.card.feature h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
  font-weight: 600;
  color: var(--feature-title-color, #0f172a);
}

.card.feature p {
  margin: 0;
  color: var(--feature-text-color, #4b5563);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 38ch; /* daha iyi satır uzunluğu */
}

/* Küçük cihazlarda ikon ve yazı aralığını koru */
@media (max-width: 420px) {
  :root { --feature-icon-bg: 64px; --feature-icon-size: 32px; }
  .card.feature { padding: 22px; }
}




.cta-section {
  margin: 80px 0;
  text-align: center;
  color: #fff;
  padding: 80px 20px;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  
  background: 
    radial-gradient(1000px 500px at 100% -10%, rgba(34,211,238,.15), transparent 60%),
    radial-gradient(800px 400px at -10% 10%, rgba(59,130,246,.18), transparent 55%),
    linear-gradient(135deg, #1e3a8a, #1e40af);
  background-repeat: no-repeat;
  background-size: cover;
}

.cta-section h2 {
  margin-bottom: 20px;
  font-size: 2rem;
}

.cta-section p {
  max-width: 600px;
  margin: 0 auto 30px;
  font-size: 1.1rem;
}



.faq-section .accordion {
  margin-top: 20px;
}
.accordion-item {
  border-bottom: 1px solid #ddd;
  margin-bottom: 10px;
}
.accordion-header {
  cursor: pointer;
  padding: 15px;
  width: 100%;
  text-align: left;
  border: none;
  outline: none;
  font-size: 16px;
  border-radius: 6px;
}
.accordion-header:hover {
  background: #e0e0e0;
}
.accordion-body {
  display: none;
  padding: 15px;
  border-radius: 6px;
  margin-top: 5px;
}


.text-muted {
  color: var(--muted);
}

/* Desktop varsayılan menü */
.menu {
  display: flex;
  gap: 20px;
}

/* Hamburger desktop'ta gizli */
.hamburger {
  display: none;
  font-size: 15px;
  cursor: pointer;
}

/* Mobil görünüm */
@media (max-width: 768px) {
  .menu {
    display: none; /* başlangıçta gizle */
    flex-direction: column;
    background: #fff;
    position: absolute;
    top: 70px; /* navbar yüksekliğine göre ayarla */
    right: 20px;
    width: 220px;
    padding: 15px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    border-radius: 8px;
  }
  .menu.active {
    display: flex; /* hamburger ile açılınca görünsün */
  }
  .hamburger {
    display: inline-block; /* mobilde göster */
  }
}