* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  font-family: Arial, sans-serif;
}

/* Hero bölümü */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Video Arka Plan */
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  z-index: -1;
}


/* Adjust video margin-top to navbar height */
.hero-content { margin-top:80px; }
@media(max-width:1024px) { .hero-content { margin-top:60px; } }


/* Hero content */
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 6rem;
  line-height: 1.2;
}
.scroll-down {
  margin-top: 20px;
  font-size: 2rem;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  .logo img {
    width: 150px; 
    height: auto; 
  }
}
@media (max-width: 450px) {
  .logo img {
    width: 120px;
    height: auto; 
  }
}


/* Intro Light Section */
.intro-light {
  background: #fff;
  padding: 100px 20px;
}
.intro-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  color: #000;
}
.intro-container h2 {
  font-size: 4.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.title-line {
  width: 80px;
  height: 4px;
  background: #000;
  border: none;
  margin: 20px auto;
}
.subtitle {
  font-size: 1.75rem;
  color: #333;
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .intro-container h2 {
    font-size: 2.2rem;
  }
  .subtitle {
    font-size: 1rem;
  }
}


/* Yeteneklerimiz Bölümü */
.skills { background:#fefefe; padding:80px 20px; }
.skills-container { max-width:1000px; margin:0 auto; }
.skills-title { text-align:center; font-size:3.2rem; font-weight:700; color:#222; margin-bottom:50px; }
.skills-list { display:flex; flex-direction:column; gap:60px; }
.skill-item { display:flex; align-items:center; gap:40px; }
.skill-item.reverse { flex-direction:row-reverse; }
.skill-image img { width:350px; height:auto; border-radius:8px; }
.skill-content { flex:1; transition: transform 0.3s; }
.skill-content:hover { transform: scale(1.02); }
.skill-content h3 { font-size:2.5rem; color:#114fb9; margin-bottom:15px; position:relative; padding-bottom:10px; }
.skill-content h3::after { content: ''; position:absolute; bottom:0; left:0; width:150px; height:4px; background:#114fb9; border-radius:2px; }
.skill-item.reverse .skill-content { text-align:right; }
/* .skill-item .skill-content { text-align:left; } */
.skill-item.reverse .skill-content h3::after { left:auto; right:0; }
.skill-content p { font-size:1.5rem; color:#555; line-height:1.6; }
@media(max-width:768px) {
  .skill-item { flex-direction:column; text-align:center; }
  .skill-item.reverse { flex-direction:column; }
  .skill-image img { max-width:100%; width:auto; }
  .skill-content h3 { font-size:1.5rem; }
  .skills-title { font-size:2rem; }
  .skill-item.reverse .skill-content { text-align:center; }
}


/* Section Wrapper */
.sectors {
  padding: 80px 20px;
  background: #f9f9f9;
}
.sectors .container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.sectors-title {
  font-size: 2.75rem;
  margin-bottom: 50px;
  color: #222;
  position: relative;
}
.sectors-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: #2979ff;
  margin: 10px auto 0;
  border-radius: 2px;
}

/* Grid */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

/* Card */
.sector-card {
  perspective: 1000px;
}
.card-front,
.card-back {
  backface-visibility: hidden;
  transition: transform 0.6s ease;
  border-radius: 12px;
  padding: 30px 20px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.card-front {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 12px;
  padding: 30px 20px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.card-front img {
  width: 60px;
  margin-bottom: 20px;
}
.card-front h3 {
  margin: 0;
  font-size: 2.45rem;
  background: rgba(0,0,0,0.4);
  padding: 8px 16px;
  border-radius: 4px;
}
.card-back {
  background: #2979ff;
  color: #fff;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  transform: rotateY(180deg);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.card-back p {
  font-size: 1rem;
  line-height: 1.6;
}

/* Flip Effect */
.sector-card:hover .card-front  { transform: rotateY(-180deg); }
.sector-card:hover .card-back   { transform: rotateY(0deg); }

/* Responsive Adjustments */
@media (max-width: 600px) {
  .sectors-title {
    font-size: 2rem;
  }
  .card-front, .card-back {
    padding: 20px;
    min-height: 240px;
  }
}

.sector-card.flipped .card-front { transform: rotateY(-180deg); }
.sector-card.flipped .card-back  { transform: rotateY(0deg); }

.container-about {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 50px 80px;
  gap: 40px;          /* Flex itemlar arası boşluk */
}

.about-foto,
.about-icerik {
  flex: 1;
}

/* Görsel */
.about-foto img {
  width: 100%;
  height: auto;      /* Sabit yükseklik kaldırıldı */
  border-radius: 10px;
  display: block;
}

/* İçerik */
.about-icerik {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-icerik h2 {
  font-size: 2.5rem;  /* px yerine rem */
  font-weight: bold;
  color: var(--main-color);
  margin-bottom: 20px;
}

.about-icerik p {
  font-size: 1.125rem; /* 18px approx */
  line-height: 1.6;
  color: #666;
  margin-top: 1rem;
}

/* Tablet ve Küçük Masaüstü */
@media (max-width: 1024px) {
  .container-about {
    padding: 40px 40px;
    gap: 30px;
  }
  .about-icerik h2 {
    font-size: 2.25rem;
  }
  .about-icerik p {
    font-size: 1rem;
  }
}

/* Mobil Portrait */
@media (max-width: 768px) {
  .container-about {
    flex-direction: column;
    padding: 30px 20px;
    gap: 20px;
  }
  .about-foto,
  .about-icerik {
    width: 100%;
  }
  .about-icerik h2 {
    font-size: 2rem;
    text-align: center;
  }
  .about-icerik p {
    font-size: 0.95rem;
    text-align: center;
  }
  .about-foto img {
    max-width: 100%;
    height: auto;
  }
}

/* Küçük Mobil */
@media (max-width: 480px) {
  .container-about {
    padding: 20px 10px;
  }
  .about-icerik h2 {
    font-size: 1.75rem;
  }
  .about-icerik p {
    font-size: 0.9rem;
  }
}

.space {
  width: 100%;
  height: 77px;
  background-color: #303030;
}
@media screen and (max-width: 768px) {
  .space {
    height: 60px;
  }
  
}