:root{
  --primary-color:#2c3e50;
  --secondary-color:#2980b9;
  --background-color:#ecf0f1;
  --text-color:#34495e;
  --card-bg-color:#ffffff;
  --whatsapp-color:#25D366;
}

/* Genel */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',sans-serif;
  background:var(--background-color);
  color:var(--text-color);
  line-height:1.7;
}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header + Animated Nav (tasarım korunarak stabilize edildi) */
.header{
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(10px);
  box-shadow:0 2px 10px rgba(0,0,0,.1);
  padding:14px 0;
  position:fixed;top:0;left:0;width:100%;z-index:1000;
}
.navbar{display:flex;justify-content:space-between;align-items:center}
.logo-link{display:flex;align-items:center}
.logo-img{height:50px}

.animated-nav{position:relative}
.animated-nav ul{list-style:none;display:flex;gap:32px}
.animated-nav ul li button,
.animated-nav ul li .nav-link{
  appearance:none;border:none;background:transparent;cursor:pointer;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:16px;color:#5C5B66;transition:color .25s;text-decoration:none;
}
.animated-nav ul li.active button{color:var(--primary-color)}
.animated-nav ul li:not(.active):hover button,
.animated-nav ul li .nav-link:hover{color:var(--secondary-color)}
.active-element{
  --active-element-show:0; position:absolute; left:0; top:34px; height:3px; width:36px;
  border-radius:2px; background:var(--secondary-color); opacity:var(--active-element-show);
}

/* Hero */
.hero{
  display:flex;align-items:center;justify-content:center;min-height:100vh;padding-top:80px;text-align:center;background:#1e1f26;
}
.hero-content{max-width:800px}
.hero-content h1{
  font-family:"Josefin Sans",sans-serif;font-size:5vw;margin:0 0 1.5rem 0;letter-spacing:.5rem;color:#f4f5f0;transition:.3s;
}
.hero-content h1:hover{transform:translate3d(0,-10px,22px);color:#ff0266}
.span-loader{
  font-size:2.5vw;letter-spacing:.3em;line-height:1.6;font-family:"Roboto",sans-serif;font-weight:300;color:#faebd7;
}
.span-loader .m{color:#faebd7;text-shadow:0 0 0 #faebd7;animation:loading 1s ease-in-out infinite alternate}
@keyframes loading{
  to{ text-shadow:20px 0 70px #ff0266; color:#ff0266; }
}
/* 25 harf için gecikmeler */
.span-loader .m:nth-child(2){animation-delay:.1s}
.span-loader .m:nth-child(3){animation-delay:.2s}
.span-loader .m:nth-child(4){animation-delay:.3s}
.span-loader .m:nth-child(5){animation-delay:.4s}
.span-loader .m:nth-child(6){animation-delay:.5s}
.span-loader .m:nth-child(7){animation-delay:.6s}
.span-loader .m:nth-child(8){animation-delay:.7s}
.span-loader .m:nth-child(9){animation-delay:.8s}
.span-loader .m:nth-child(10){animation-delay:.9s}
.span-loader .m:nth-child(11){animation-delay:1s}
.span-loader .m:nth-child(12){animation-delay:1.1s}
.span-loader .m:nth-child(13){animation-delay:1.2s}
.span-loader .m:nth-child(14){animation-delay:1.3s}
.span-loader .m:nth-child(15){animation-delay:1.4s}
.span-loader .m:nth-child(16){animation-delay:1.5s}
.span-loader .m:nth-child(17){animation-delay:1.6s}
.span-loader .m:nth-child(18){animation-delay:1.7s}
.span-loader .m:nth-child(19){animation-delay:1.8s}
.span-loader .m:nth-child(20){animation-delay:1.9s}
.span-loader .m:nth-child(21){animation-delay:2s}
.span-loader .m:nth-child(22){animation-delay:2.1s}
.span-loader .m:nth-child(23){animation-delay:2.2s}
.span-loader .m:nth-child(24){animation-delay:2.3s}
.span-loader .m:nth-child(25){animation-delay:2.4s}

/* Bölümler */
.section{padding:100px 0}
.section-title{text-align:center;font-size:2.3em;margin-bottom:60px;color:var(--primary-color)}

/* Projeler – dairesel karusel */
#projects{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#e9ecef}
.cards-container{
  --base-rotation:0deg; --full-circle:360deg; --items:21; --radius:30vw; --duration:300ms;
  --cards-container-size:calc(var(--radius) * 2); --thumb-size:60px; --image-size:calc(var(--radius) * .8); --image-y:-10%; --labels-offset:calc(var(--radius) * -1);
  position:relative; width:var(--cards-container-size); height:var(--cards-container-size); aspect-ratio:1; border-radius:50%;
  perspective:1000px; transition:transform .3s ease-in-out var(--duration); list-style:none; margin-top:20px;
}
@media (max-width:800px){
  .cards-container{ --radius:45vw; --thumb-size:50px }
  .section-title{font-size:2em}
}
.cards-container li{position:absolute;inset:0;margin:0;padding:0;transform-origin:center;display:grid;place-content:center;transform:rotate(calc(var(--i) * 360deg / var(--items)));pointer-events:none}
.cards-container li>label{
  position:absolute;inset:0;margin:auto;transform:translateY(var(--labels-offset));width:var(--thumb-size);height:var(--thumb-size);cursor:pointer;
  pointer-events:initial;transition:var(--duration) ease-in-out;border-radius:50%;background:#fff;padding:5px;box-shadow:0 0 15px rgba(0,0,0,.2)
}
.cards-container li>label>img{
  transform-origin:center;width:100%;height:100%;object-fit:contain;scale:var(--label-scale,1);opacity:var(--label-opacity,1);
  transition:scale var(--duration) ease-in-out, opacity var(--duration) ease-in-out;border-radius:50%
}
.cards-container:has(label:hover) label{--label-scale:.8}
.cards-container li:has(+ li > label:hover) > label,
.cards-container li:has(label:hover) + li > label{--label-scale:1.2}
.cards-container li>label:hover img{--label-scale:1.4}
.cards-container>li>.project-content{
  width:var(--image-size);height:var(--image-size);object-fit:contain;z-index:52;transform:translateY(var(--image-y));
  transition:opacity var(--duration) ease-in-out, scale var(--duration) ease-in-out; pointer-events:auto; opacity:var(--item-opacity,0); scale:var(--item-scale,0);
  text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;
}
.cards-container>li>.project-content img{max-width:50%;max-height:50%;margin-bottom:20px}
.cards-container>li>.project-content h2{color:var(--primary-color);font-size:clamp(1rem,2.5vw,1.5rem)}
.cards-container>li>.project-content h2 a{text-decoration:none;color:inherit}
.cards-container>li>.project-content h2 a:hover{text-decoration:underline}
.cards-container>li>.project-content p{font-size:clamp(.8rem,2vw,1.05rem);padding:0 15px}
.cards-container>li:has(:checked)>.project-content{--item-scale:1;--item-opacity:1;z-index:99}
.cards-container:has(input:checked){
  transform:rotate(calc(var(--base-rotation) - (var(--index) * var(--full-circle) / var(--items))));
}
input[type="radio"]{display:none}

/* Hakkımda */
#about{background:var(--card-bg-color)}
.about-content{display:flex;align-items:center;gap:50px;flex-wrap:wrap;justify-content:center}
.about-image{width:250px;height:250px;border-radius:50%;object-fit:cover;box-shadow:0 10px 20px rgba(44,62,80,.2);flex-shrink:0;object-position:center 20%}
.about-text{flex-basis:500px;flex-grow:1;text-align:left}
.about-text p{margin-bottom:15px}

/* Instagram CTA + Footer (ana sayfadaki bölüm) */
.footer{background:var(--primary-color);color:#fff;text-align:center;padding:60px 0}
.footer h2{margin:20px 0}
.whatsapp-link{
  display:inline-block;padding:15px 30px;background:var(--whatsapp-color);color:#fff;text-decoration:none;font-size:1.1em;font-weight:700;border-radius:50px;transition:transform .3s;
}
.whatsapp-link:hover{transform:scale(1.05)}
.whatsapp-link i{margin-right:10px}
.instagram-card{
  background:#fff;color:var(--text-color);border-radius:15px;padding:40px;max-width:700px;margin:0 auto;box-shadow:0 10px 30px rgba(0,0,0,.1);
  display:flex;flex-direction:column;align-items:center;gap:20px
}
.instagram-card .insta-icon{
  font-size:4em;color:#fff;width:100px;height:100px;border-radius:28px;display:flex;justify-content:center;align-items:center;
  background:radial-gradient(circle at 33% 100%,#FED373 4%,#F15245 30%,#D92E7F 62%,#9B36B7 85%,#515ECF);
}
.btn-insta{display:inline-block;padding:12px 28px;background:var(--primary-color);color:#fff;text-decoration:none;font-weight:600;border-radius:8px;transition:.3s}
.btn-insta:hover{background:var(--secondary-color);transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,.2)}

/* Kayan Logolar + Telif */
.logo-slider-section{
  padding:60px 0;background:#fff;overflow:hidden;white-space:nowrap;
  border-top:1px solid #e9ecef;
}
.logo-slider{display:inline-block;animation:slidein 120s linear infinite}
.logos{display:inline-flex;align-items:center;justify-content:center}
.logos a{display:inline-block;padding:0 30px}
.logos img{
  max-width:150px;height:60px;object-fit:contain;filter:grayscale(100%);opacity:.6;transition:all .3s ease;
}
.logos img:hover{filter:grayscale(0%);opacity:1;transform:scale(1.1)}
@keyframes slidein{from{transform:translate3d(0,0,0)}to{transform:translate3d(-100%,0,0)}}
.copyright{text-align:center;padding-top:28px;color:#777}

/* WhatsApp kayan buton (tüm sayfalarda aynı) */
.whatsapp-float{
  position:fixed;width:60px;height:60px;bottom:25px;right:25px;background:var(--whatsapp-color);color:#fff;border-radius:50%;
  text-align:center;font-size:30px;box-shadow:0 4px 10px rgba(0,0,0,.3);z-index:9999;display:flex;align-items:center;justify-content:center;
  transition:all .3s ease;animation:floatX 4s ease-in-out infinite;
}
.whatsapp-float:hover{background:#1ebe5d;transform:scale(1.1)}
@keyframes floatX{0%,100%{transform:translateX(0)}50%{transform:translateX(-10px)}}

/* Responsive */
@media (max-width:768px){
  .about-content{flex-direction:column}
  .animated-nav{display:none}
  .hero-content h1{font-size:8vw}
  .span-loader{font-size:5vw}
}
/* ---- İzle Sayfası ---- */
.watch-page .video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:35px;
  margin-bottom:80px;
}
.video-card{
  background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,0.1);
  transition:transform .3s ease;
}
.video-card:hover{transform:scale(1.03)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover img{transform:scale(1.05)}
.overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.4);opacity:0;transition:.3s;cursor:pointer;
}
.overlay i{font-size:3em;color:white}
.video-card:hover .overlay{opacity:1}
.video-info{padding:18px 20px}
.video-info h3{color:var(--primary-color);font-size:1.1rem;margin-bottom:6px}
.video-info p{color:#555;font-size:.9rem}
.video-modal{
  display:none;position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,0.9);z-index:2000;align-items:center;justify-content:center;
}
.video-wrapper{position:relative;width:90%;max-width:900px;aspect-ratio:16/9;}
.video-wrapper iframe{width:100%;height:100%}
.close-btn{
  position:absolute;top:-45px;right:0;font-size:1.5em;color:white;
  background:none;border:none;cursor:pointer;
}
/* ---- İletişim Sayfası ---- */
.contact-wrapper{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  margin-bottom:80px;
  align-items:start;
}
.contact-form{
  background:#fff;
  padding:40px;
  border-radius:16px;
  box-shadow:0 6px 20px rgba(0,0,0,0.1);
  display:flex;
  flex-direction:column;
  gap:15px;
}
.contact-form label{
  font-weight:600;
  color:var(--primary-color);
}
.contact-form input,
.contact-form textarea{
  padding:12px 14px;
  border:1px solid #ccc;
  border-radius:8px;
  font-family:'Poppins',sans-serif;
  font-size:0.95rem;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--secondary-color);
  box-shadow:0 0 5px rgba(41,128,185,0.3);
}
.btn-send{
  background:var(--primary-color);
  color:#fff;
  border:none;
  border-radius:8px;
  padding:14px 20px;
  font-weight:600;
  font-size:1rem;
  cursor:pointer;
  transition:background .3s ease;
}
.btn-send:hover{background:var(--secondary-color)}
.map-container{
  width:100%;
  height:100%;
  min-height:400px;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,0.1);
}
@media(max-width:900px){
  .contact-wrapper{grid-template-columns:1fr}
  .map-container{min-height:300px}
}
/* ---- Instagram Galeri ---- */
.insta-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:30px;
  margin-bottom:60px;
}
.insta-post{
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,0.1);
  background:#fff;
}
.insta-post iframe{
  width:100%;
  border:none;
  height:430px;
}
@media(max-width:768px){
  .insta-post iframe{height:380px;}
}