@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: #0f0f0f;
  color: #fff;
}
.logo-img {
  width: 70px;
  height: auto;
  margin-left: 50px;
  margin-top: 10px;
}

/* NAVBAR */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 66px;
  height: 66px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: background-color 0.3s ease;
}
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.3);
  z-index: 100;
  animation: fadeDown 1s ease forwards;
}

.logo {
  font-size: 24px;
  font-weight: 700;
}

nav a {
  margin-left: 25px;
  text-decoration: none;
  color: #ddd;
  transition: 0.3s;
}

nav a:hover {
  color: #fff;
}

/* HERO SECTION */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 3rem 1rem;
  /* Arka plan görseli + hafif koyu overlay */
  background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)),
    url("images/berat2.jpg") center/cover no-repeat;
  /* kaydırırken görselin sabit kalması */
  background-attachment: fixed;
  position: relative;
}

/* Mobilde background-attachment: fixed performans ve destek sorunları olabileceğinden devre dışı bırak */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
  }
}

/* İçeriğin overlay altında kalmaması için */
.hero .hero-content {
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeUp 1s ease forwards;
}

.title {
  font-size: 48px;
  font-weight: 700;
}

.title span {
  color: #00bfff;
}

.subtitle {
  margin: 10px 0 30px;
  font-size: 20px;
  opacity: 0.8;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: #00bfff;
  color: #000;
  text-decoration: none;
  border-radius: 50px;
  transition: 0.3s;
  font-weight: 600;
}
.a {
  color: #fff;
}

.btn:hover {
  background: #009acd;
}

/* ABOUT */
.about .about-images {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.about .about-images img {
  width: 440px;
  height: 440px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 40px;
  border: 4px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* Hafif lift efekti */
.about .about-images img:hover {
  transform: translateY(-2px) scale(1.82);
  box-shadow: 0 34px 30px rgba(0, 0, 0, 0.7);
}

/* Küçük ekranlarda daha küçük daireler */
@media (max-width: 768px) {
  .about .about-images img {
    width: 110px;
    height: 110px;
  }
}

.about,
.projects,
.contact {
  padding: 100px 60px;
  text-align: center;
}

.about h2,
.projects h2,
.contact h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

/* PROJECTS */
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  align-items: start;
  grid-auto-rows: minmax(180px, auto);
}

/* Project5 + 6/7/8 içeren kolonun genişleyip proje 2'nin altına kadar uzanması */
.project-column {
  grid-column: 2 / span 2; /* 2. sütundan başlayıp 2 sütun genişliğe yayılıyor */
  display: flex;
  flex-direction: column;
  width: 400px;
  text-align: center;
  margin-left: 220px;
  gap: 12px;
}
.social-fixed {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.social-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(8px);
}

.social-icon:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.social-icon.github:hover {
  color: #333;
  background: #fff;
  border-color: #fff;
}

.social-icon.instagram:hover {
  background: linear-gradient(
    45deg,
    #f09433 0%,
    #e6683c 25%,
    #dc2743 50%,
    #cc2366 75%,
    #bc1888 100%
  );
  border-color: transparent;
  color: #fff;
}

.social-icon.linkedin:hover {
  background: #0a66c2;
  border-color: #0a66c2;
  color: #fff;
}

.social-icon svg {
  display: block;
  width: 20px;
  height: 20px;
}

/* Mobilde gizle */
@media (max-width: 768px) {
  .social-fixed {
    right: 12px;
    gap: 14px;
  }

  .social-icon {
    width: 40px;
    height: 40px;
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
  }
}

/* Alt yığındaki kartların kolon genişliğini doğru kullanması için */
.project-stack .project-card {
  width: 200px;
  margin: 0;
}

/* Küçük ekranlarda span kaldırılarak akışa dönülür */
@media (max-width: 1199px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .project-column {
    grid-column: auto;
  }
}
@media (max-width: 899px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-column {
    grid-column: auto;
  }
}
@media (max-width: 480px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
  .project-column {
    grid-column: auto;
  }
}
.projects .project-card:hover img:hover {
  transform: translateY(-2px) scale(1.82);
  box-shadow: 0 34px 30px rgba(0, 0, 0, 0.7);
}

.project-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(0, 0, 0, 0.08)
  );
  padding: 12px;
  border-radius: 12px;
  overflow: visible; /* hover ile taşan kısmın görünmesi için */
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  position: relative;
  z-index: 1;
  transition: transform 0.25s ease, z-index 0.2s;
}

.project-card img {
  width: 400px;
  height: 400px; /* kutu yüksekliği — ihtiyaca göre ayarla */
  object-fit: contain; /* görsel tamamı görünür (kırpma yok) */
  object-position: center; /* ortala */
  background: #0b0b0b; /* boş kalan alan için arka plan */
  border-radius: 10px;
  display: block;
  margin: 0 auto;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.45s;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.6);
  will-change: transform;
  transform-origin: center;
}

/* Hover: görsel öne doğru yaklaşsın (taşma görünür olmalı) */
.project-card {
  overflow: visible; /* zaten varsa koru */
}
.project-card:hover img {
  transform: translateY(-14px) scale(1.08);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.75);
}

/* Küçük ekranlarda görsel kutusunu küçült */
@media (max-width: 768px) {
  .project-card img {
    height: 160px;
  }
}

/* Dokunmatik cihazlarda hover efektini devre dışı bırak (performans ve UX) */
@media (hover: none), (max-width: 768px) {
  .project-card img {
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .project-card:hover img {
    transform: none;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.6);
  }
}

/* Daha geniş ekranlarda daha sıkı grid (3 veya 4 sütun) */
@media (min-width: 1200px) {
  .project-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) and (max-width: 1199px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 899px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}
/* ANIMATIONS */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeCard {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}