/* Genel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth; /* Sayfalar arası akıcı kayma efekti */
}

body {
    background-color: #121212; /* Varsayılan koyu arka plan */
    color: #fff;
    overflow-x: hidden; /* Sağa sola gereksiz taşmaları (scrolling) engeller */
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

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

    padding: 15px 10%;

    background: rgba(0,0,0,.65);

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    z-index: 99999;

    border-bottom: 1px solid rgba(255,255,255,.05);

    box-sizing: border-box;
}
/* Logonun Boyut Ayarları */
.logo img {
    height: 50px; /* Logonun ekrandaki yüksekliği */
    width: auto;  /* Orantılı genişlik */
    display: block;
}

/* Menü Linkleri */
nav a {
    color: #bbb;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s;
}

/* Fareyle menü elemanlarının üzerine gelindiğinde kırmızı olsun */
nav a:hover {
    color: #ff0000;
}

/* Aktif (O an bulunulan) menü elemanının rengini kırmızı yapar */
nav a.nav-link.active {
    color: #ff0000; 
}

/* Aktif elemanın altındaki kırmızı çizgi efekti */
nav a.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #ff0000; 
}

/* Sağ Üstteki İletişim Butonu */
.btn-iletisim {
    background-color: #ff0000; 
    color: white !important;
    padding: 8px 18px;
    border-radius: 20px;
    transition: background 0.3s;
}

.btn-iletisim:hover {
    background-color: #cc0000;
}

/* Genel Bölüm (Section) Tasarımları */
section {
    padding: 100px 10%;
    min-height: 100vh; /* Her bölüm ekranın tamamını kaplasın */
    display: flex;
    justify-content: center;
}

/* --- ANASAYFA (HERO SECTION) DÜZENİ --- */
.hero-section {
    display: flex;
    flex-direction: row; /* Yazılar solda, GIF sağda yan yana dursun */
    justify-content: space-between;
    align-items: center;
}

/* Sol taraftaki yazı alanı */
.anasayfa-icerik {
    flex: 1;
    padding-right: 40px;
}

.anasayfa-icerik h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 15px;
}

.alt-baslik {
    color: #ff0000; 
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.aciklama-metni {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 25px;
    max-width: 600px;
}

/* İçerikteki kırmızı buton */
.btn-detay-iletisim {
    display: inline-block;
    background-color: #ff0000;
    color: white;
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-detay-iletisim:hover {
    background-color: #cc0000;
}

/* --- KARAKTER PNG ALANI --- */
.karakter-png-alani {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.karakter-png-alani img {
    width: 750px;      /* Karakter boyutu */
    max-width: none;
    height: auto;
    border: none;
    box-shadow: none;
}

/* --- HER BÖLÜMÜN KENDİ ARKA PLAN RESMİ/PNG'İ --- */
/* (linear-gradient resimlerin üzerine şeffaf siyah perde çeker, yazılar rahat okunur) */

#anasayfa {
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), url('bg-anasayfa.jpg') no-repeat center center/cover;
}

#hakkimizda {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.85)), url('bg-hakkimizda.jpg') no-repeat center center/cover;
    flex-direction: column;
}

/* HAKKIMIZDA ALANI */

.hakkimizda-icerik{
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:60px;
}

.hakkimizda-sol{
    flex:1;
}

.hakkimizda-sol p{
    color:#d6d6d6;
    font-size:18px;
    line-height:1.9;
    margin-bottom:20px;
    max-width:700px;
}

.hakkimizda-sag{
    flex:1;
    display:flex;
    justify-content:flex-end;
    margin-right:-15px;
}

.hakkimizda-sag img{
    width:800px;
    max-width:100%;
    height:auto;

    filter: drop-shadow(0 0 20px rgba(255,0,0,0.25));
}

/* Mobil */

@media(max-width:992px){

    .hakkimizda-icerik{
        flex-direction:column;
        text-align:center;
    }

    .hakkimizda-sag{
        justify-content:center;
    }

    .hakkimizda-sag img{
        width:350px;
    }

    section h2{
        justify-content:center;
    }
}

#server-files {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('bg-serverfiles.jpg') no-repeat center center/cover;
    flex-direction: column;
}

#kopanel {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.85)), url('bg-kopanel.jpg') no-repeat center center/cover;
    flex-direction: column;
}

#referanslar {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('bg-referanslar.jpg') no-repeat center center/cover;
    flex-direction: column;
}

#iletisim {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.85)), url('bg-iletisim.jpg') no-repeat center center/cover;
    flex-direction: column;
}

/* Başlık stilleri */
section h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #fff;
    border-left: 4px solid #ff0000; /* Başlıkların yanındaki şık kırmızı çizgi */
    padding-left: 10px;
}

/* SERVER FILES */

.server-tabs{
    display:flex;
    justify-content:center;
    gap:20px;
    margin-bottom:60px;
}

.tab-btn{

    border:none;
    cursor:pointer;

    padding:15px 30px;

    border-radius:40px;

    background:rgba(255,255,255,.08);

    color:white;

    font-size:16px;
    font-weight:700;

    transition:.3s;
}

.tab-btn:hover{
    transform:translateY(-3px);
}

.tab-btn.active{

    background:#ff0000;

    box-shadow:
    0 0 20px rgba(255,0,0,.4);
}

.server-box{

    display:none;

    width:100%;

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

    gap:80px;

    animation:serverFade .5s ease;
}

.active-box{
    display:flex;
}

.server-left{
    flex:1;
}

.server-right{
    flex:1;
    display:flex;
    justify-content:flex-end;
}

.server-right img{

    width:650px;

    max-width:100%;

    border-radius:15px;

    border:2px solid rgba(255,0,0,.3);

    box-shadow:
    0 0 25px rgba(255,0,0,.2);

    transition:.4s;
}

.server-right img:hover{

    transform:scale(1.03);

    box-shadow:
    0 0 40px rgba(255,0,0,.4);
}

.server-list{

    list-style:none;

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:15px;
}

.server-list li{

    position:relative;

    padding-left:25px;

    color:#ddd;
}

.server-list li::before{

    content:"✓";

    position:absolute;

    left:0;

    color:#ff0000;

    font-weight:bold;
}

@keyframes serverFade{

    from{

        opacity:0;

        transform:
        translateX(60px);
    }

    to{

        opacity:1;

        transform:
        translateX(0);
    }
}
.server-right{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
}

.demo-btn{

    margin-top:20px;

    background:#ff0000;

    color:white;

    text-decoration:none;

    padding:14px 35px;

    border-radius:35px;

    font-weight:700;

    transition:.3s;
}

.demo-btn:hover{

    transform:translateY(-3px);

    box-shadow:
    0 0 25px rgba(255,0,0,.5);
}

.panel-left{
    flex:1;
}

.panel-right{
    flex:1;
    text-align:right;
}

.panel-right img{

    width:700px;

    max-width:100%;

    border-radius:15px;

    border:2px solid rgba(255,0,0,.3);

    box-shadow:
    0 0 30px rgba(255,0,0,.25);

    transition:.4s;
}

.panel-btn{

    width:100%;

    margin-bottom:20px;

    padding:18px;

    border:none;

    border-radius:12px;

    cursor:pointer;

    font-size:18px;
    font-weight:700;

    background:rgba(255,255,255,.05);

    color:white;

    transition:.3s;
}

.panel-btn:hover{

    transform:translateX(8px);

    background:rgba(255,0,0,.15);
}

.panel-btn.active{

    background:#ff0000;

    box-shadow:
    0 0 20px rgba(255,0,0,.4);
}

/* KOPANEL YENİ DÜZEN */

.kopanel-wrapper{

    width:100%;

    display:flex;

    justify-content:space-between;

    align-items:center;

    gap:100px;
}

.panel-left{

    width:40%;
}

.panel-left h2{

    margin-bottom:25px;
}

.panel-left p{

    margin-top:15px;

    margin-bottom:55px;

    color:#d6d6d6;

    font-size:18px;

    line-height:1.8;

    max-width:600px;
}

.panel-right{

    width:60%;

    display:flex;

    justify-content:flex-end;
}

.panel-right img{

    width:750px;

    max-width:100%;

    border-radius:15px;

    box-shadow:
    0 0 30px rgba(255,0,0,.25);
}

/* REFERANSLAR */

#referanslar{
    padding:120px 10%;
}

.referans-box{
    height:250px;
    border:1px solid rgba(255,255,255,.1);
    border-radius:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    background:rgba(255,255,255,.03);
}

/* İLETİŞİM */

#iletisim{
    padding:120px 10%;
}

.iletisim-wrapper{
    display:flex;
    gap:30px;
    justify-content:center;
    flex-wrap:wrap;
}

.iletisim-card,
.sosyal-card{
    width:500px;
    min-height:280px;

    background:rgba(20,20,20,.65);
    backdrop-filter:blur(8px);

    border:1px solid rgba(255,255,255,.08);
    border-radius:20px;

    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;

    color:white;
}

.whatsapp-btn{
    margin:25px 0;

    padding:18px 45px;

    background:#25D366;
    color:white;
    text-decoration:none;

    border-radius:50px;
    font-weight:700;
}

.sosyal-card img{
    width:220px;
    margin-bottom:20px;
}

.social-icons{
    display:flex;
    gap:15px;
    margin-top:20px;
}

.social-icons a{
    width:55px;
    height:55px;

    border-radius:50%;

    background:rgba(255,255,255,.08);

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

    color:white;
    text-decoration:none;

    transition:.3s;
}

.social-icons a:hover{
    background:#ff1a1a;
    transform:translateY(-3px);
}

.social-icons i{
    font-size:24px;
}

/* PARTICLES / PARTİKÜL EFEKTİ
   Particle arka planda görünür, yazıların ve PNG görsellerin önüne geçmez.
*/

#particles-js{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    z-index:0;
}

/* Navbar her zaman en üstte sabit kalsın */
.navbar{
    position:fixed !important;
    top:0;
    left:0;
    right:0;
    width:100%;
    z-index:99999 !important;
}

/* Bölümlerdeki içerikler particle efektinin üstünde kalsın */
section > *{
    position:relative;
    z-index:5;
}

/* PNG karakterler, Server Files ve KoPanel görselleri en önde kalsın */
.karakter-png-alani,
.karakter-png-alani img,
.hakkimizda-sag,
.hakkimizda-sag img,
.server-right,
.server-right img,
.panel-right,
.panel-right img{
    position:relative;
    z-index:10;
}

/* Parçacıklara güçlü kırmızı glow efekti */
#particles-js canvas{
    filter:
        drop-shadow(0 0 8px rgba(255,0,0,1))
        drop-shadow(0 0 18px rgba(255,0,0,.9))
        drop-shadow(0 0 35px rgba(255,0,0,.75));
}