*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial,sans-serif;
}

html{
  scroll-behavior:smooth;
}

body{
  background:#f4f7fc;
  color:#111;
  overflow-x:hidden;
  position:relative;
}

/* ARKAPLAN IŞIK EFEKTLERİ */

body::before{
  content:"";
  position:fixed;
  width:500px;
  height:500px;
  background:rgba(58,114,255,0.12);
  filter:blur(140px);
  top:-120px;
  left:-120px;
  z-index:-1;
  animation:glowMove 8s ease-in-out infinite alternate;
}

body::after{
  content:"";
  position:fixed;
  width:450px;
  height:450px;
  background:rgba(0,119,255,0.10);
  filter:blur(140px);
  bottom:-140px;
  right:-140px;
  z-index:-1;
  animation:glowMove2 10s ease-in-out infinite alternate;
}

@keyframes glowMove{
  0%{
    transform:translate(0,0);
  }

  100%{
    transform:translate(80px,50px);
  }
}

@keyframes glowMove2{
  0%{
    transform:translate(0,0);
  }

  100%{
    transform:translate(-70px,-60px);
  }
}

img{
  width:100%;
  display:block;
}

/* HEADER */

header{
  width:100%;
  padding:22px 70px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  position:fixed;
  top:0;
  left:0;
  z-index:999;
  background:rgba(7,20,45,0.72);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 10px 30px rgba(0,0,0,0.18);
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  color:white;
  font-size:28px;
  font-weight:bold;
}

.logo img{
  width:55px;
  height:55px;
  object-fit:contain;
  background:white;
  padding:4px;
  border-radius:50%;
}

nav a{
  color:white;
  text-decoration:none;
  margin-left:25px;
  font-size:16px;
  position:relative;
  transition:0.4s;
}

nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-7px;
  width:0%;
  height:2px;
  background:#7ca7ff;
  transition:0.4s;
}

nav a:hover{
  color:#a9c6ff;
  text-shadow:0 0 12px rgba(124,167,255,0.8);
}

nav a:hover::after{
  width:100%;
}

/* HERO */

.hero-section{
  width:100%;
  min-height:100vh;
  background:
  linear-gradient(rgba(5,15,35,0.76),rgba(5,15,35,0.76)),
  url("konteyner.jpg");
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  position:relative;
  overflow:hidden;
  padding:140px 20px;
}

.hero-section::before{
  content:"";
  position:absolute;
  width:700px;
  height:700px;
  background:
  radial-gradient(circle,
  rgba(85,145,255,0.30),
  transparent 70%);
  top:-220px;
  right:-150px;
  animation:heroLight 7s ease-in-out infinite alternate;
}

@keyframes heroLight{
  0%{
    transform:scale(1) translateY(0px);
  }

  100%{
    transform:scale(1.2) translateY(40px);
  }
}

.hero-content{
  max-width:920px;
  position:relative;
  z-index:2;
}

.section-tag{
  display:inline-block;
  padding:10px 20px;
  border-radius:50px;
  background:rgba(255,255,255,0.10);
  border:1px solid rgba(255,255,255,0.15);
  color:white;
  letter-spacing:2px;
  font-size:13px;
  margin-bottom:28px;
  backdrop-filter:blur(10px);
  animation:fadeUp 1s ease forwards;
}

.hero-content h1{
  font-size:74px;
  line-height:1.1;
  color:white;
  margin-bottom:28px;
  text-shadow:0 0 30px rgba(124,167,255,0.20);

  animation:
  fadeHero 1.3s ease forwards,
  floating 4s ease-in-out infinite;
}

.hero-content p{
  font-size:20px;
  color:#d7e3ff;
  line-height:1.9;
  opacity:0;
  animation:fadeHero 1.5s ease forwards;
  animation-delay:0.4s;
}

@keyframes floating{
  0%{
    transform:translateY(0px);
  }

  50%{
    transform:translateY(-8px);
  }

  100%{
    transform:translateY(0px);
  }
}

@keyframes fadeHero{
  from{
    opacity:0;
    transform:translateY(60px);
    filter:blur(10px);
  }

  to{
    opacity:1;
    transform:translateY(0);
    filter:blur(0);
  }
}

/* KALİTE */

.quality-section{
  padding:120px 70px;
}

.quality-top{
  text-align:center;
  max-width:900px;
  margin:auto;
  margin-bottom:70px;
}

.quality-top h2{
  font-size:58px;
  color:#071733;
  margin-bottom:24px;
  line-height:1.2;
  text-shadow:0 0 20px rgba(90,140,255,0.12);
}

.quality-top p{
  font-size:18px;
  line-height:1.9;
  color:#555;
}

/* KARTLAR */

.quality-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:32px;
}

.quality-card{
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(14px);
  border:1px solid rgba(80,120,255,0.10);
  border-radius:28px;
  padding:42px;
  position:relative;
  overflow:hidden;
  transition:0.45s;
  box-shadow:0 18px 40px rgba(0,0,0,0.08);
}

.quality-card::before{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  background:rgba(80,120,255,0.06);
  border-radius:50%;
  top:-120px;
  right:-120px;
}

.quality-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:
  linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,0.45),
    transparent
  );

  transform:translateX(-120%);
  transition:0.9s;
}

.quality-card:hover::after{
  transform:translateX(120%);
}

.quality-card:hover{
  transform:
  translateY(-14px)
  scale(1.02);

  box-shadow:
  0 28px 60px rgba(20,50,130,0.18);
}

.card-number{
  position:absolute;
  top:14px;
  right:24px;
  font-size:72px;
  font-weight:bold;
  color:rgba(40,70,150,0.08);
}

.quality-card h3{
  font-size:30px;
  margin-bottom:18px;
  color:#071733;
  position:relative;
  z-index:2;
}

.quality-card p{
  color:#555;
  line-height:1.8;
  font-size:16px;
  position:relative;
  z-index:2;
}

/* VİZYON */

.vision-section{
  padding:20px 70px 120px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:30px;
}

.vision-box{
  background:#071733;
  color:white;
  padding:55px;
  border-radius:30px;
  position:relative;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,0.16);
}

.vision-box::before{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  background:rgba(255,255,255,0.05);
  border-radius:50%;
  top:-120px;
  right:-120px;
}

.mini-title{
  color:#8db3ff;
  letter-spacing:2px;
  text-transform:uppercase;
  font-size:13px;
}

.vision-box h2{
  font-size:42px;
  margin:22px 0;
  line-height:1.2;
  text-shadow:0 0 24px rgba(120,170,255,0.20);
}

.vision-box p{
  color:#d7e2ff;
  line-height:1.9;
  font-size:17px;
}

/* FOOTER */

.footer{
  background:#071733;
  color:white;
  position:relative;
  overflow:hidden;
}

.footer::before{
  content:"";
  position:absolute;
  width:700px;
  height:200px;
  background:rgba(70,120,255,0.08);
  filter:blur(90px);
  top:-120px;
  left:50%;
  transform:translateX(-50%);
}

.footer-container{
  max-width:1300px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:40px;
  padding:70px;
  position:relative;
  z-index:2;
}

.footer-box{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.footer-box h2{
  font-size:34px;
}

.footer-box h3{
  font-size:24px;
}

.footer-box p{
  color:#d7e2ff;
  line-height:1.8;
}

.footer-box a{
  color:#d7e2ff;
  text-decoration:none;
  transition:0.35s;
}

.footer-box a:hover{
  color:white;
  transform:translateX(6px);
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  text-align:center;
  padding:22px;
  color:#c7d4f5;
  font-size:14px;
  position:relative;
  z-index:2;
}

/* ANİMASYONLAR */

.fade-up{
  animation:fadeUp 1s ease forwards;
}

.fade-left{
  animation:fadeLeft 1s ease forwards;
}

.fade-right{
  animation:fadeRight 1s ease forwards;
}

@keyframes fadeUp{
  from{
    opacity:0;
    transform:translateY(60px);
  }

  to{
    opacity:1;
    transform:translateY(0);
  }
}

@keyframes fadeLeft{
  from{
    opacity:0;
    transform:translateX(-60px);
  }

  to{
    opacity:1;
    transform:translateX(0);
  }
}

@keyframes fadeRight{
  from{
    opacity:0;
    transform:translateX(60px);
  }

  to{
    opacity:1;
    transform:translateX(0);
  }
}

/* RESPONSIVE */

@media(max-width:768px){

  header{
    padding:18px 20px;
    justify-content:center;
    gap:18px;
  }

  nav{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
  }

  nav a{
    margin:8px;
    font-size:14px;
  }

  .hero-content h1{
    font-size:44px;
  }

  .hero-content p{
    font-size:16px;
  }

  .quality-section{
    padding:90px 20px;
  }

  .quality-top h2{
    font-size:38px;
  }

  .vision-section{
    padding:0 20px 90px;
  }

  .vision-box{
    padding:38px;
  }

  .vision-box h2{
    font-size:32px;
  }

  .footer-container{
    padding:50px 20px;
    text-align:center;
  }
}