* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f1ea;
  color: #222;
  padding-bottom: 72px;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.top-contact-bar {
  width: 100%;
  background: #121212;
  color: #fff;
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 9px 14px;
  font-size: 14px;
  flex-wrap: wrap;
}

.top-contact-bar a {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 14px 6%;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  backdrop-filter: blur(12px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.logo img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
}

nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

nav a {
  color: #222;
  text-decoration: none;
  font-weight: 700;
  position: relative;
}

nav a:not(.nav-whatsapp)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #d49a3a;
  transition: .3s;
}

nav a:not(.nav-whatsapp):hover::after {
  width: 100%;
}

.nav-whatsapp {
  background: #25d366;
  color: white !important;
  padding: 9px 15px;
  border-radius: 999px;
  font-weight: 800;
}

.hero {
  min-height: 85vh;
  background:
    linear-gradient(rgba(0,0,0,0.58), rgba(0,0,0,0.58)),
    url("assets/uygulamalar/uygl1.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 120px 8% 80px;
  color: white;
  transition: background-image 1s ease-in-out;
}

.hero-content {
  max-width: 680px;
}

.hero .tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 10px 16px;
  border-radius: 30px;
  margin-bottom: 18px;
  font-size: 14px;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.1;
  margin: 0 0 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 30px;
  background: white;
  color: #222;
  text-decoration: none;
  font-weight: 800;
  border: none;
  cursor: pointer;
}

.btn.primary {
  background: #d49a3a;
  color: white;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 1100px;
  margin: -35px auto 45px;
  padding: 0 18px;
  position: relative;
  z-index: 2;
}

.trust-item,
.feature-card,
.catalog-card,
.service-card,
.why-card,
.process-step,
.faq-item,
.contact-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 35px rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,.06);
}

.trust-item strong {
  display: block;
  font-size: 18px;
  margin-bottom: 5px;
}

.trust-item span,
.feature-card p,
.catalog-card p,
.service-card p,
.why-card p,
.process-step p,
.faq-item p,
.contact-card p {
  color: #555;
  line-height: 1.6;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 25px;
  padding: 70px 8%;
  background: white;
}

.feature-card {
  text-align: center;
  transition: .35s;
}

.feature-card:hover,
.catalog-card:hover,
.service-card:hover,
.why-card:hover,
.process-step:hover {
  transform: translateY(-8px);
}

.feature-icon {
  font-size: 45px;
  margin-bottom: 18px;
}

.section {
  padding: 70px 6%;
  scroll-margin-top: 100px;
}

.section h2,
.contact h2 {
  font-size: 38px;
  margin: 0 0 8px;
  text-align: center;
}

.section-text {
  color: #666;
  margin: 0 auto 28px;
  max-width: 780px;
  text-align: center;
  line-height: 1.7;
}

.catalog-tools {
  margin-bottom: 24px;
  text-align: center;
}

.catalog-tools input {
  width: 100%;
  max-width: 420px;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid #ddd;
  font-size: 16px;
  outline: none;
}

.catalog-tools input:focus {
  border-color: #d9ad5b;
}

.catalog-grid,
.services-grid,
.why-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  max-width: 1100px;
  margin: 28px auto 0;
}

.catalog-card {
  overflow: hidden;
  padding: 0 0 20px;
  transition: .35s;
}

.catalog-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  background: #eee;
}

.catalog-card h3 {
  margin: 18px 18px 8px;
}

.catalog-card p {
  margin: 0 18px 16px;
}

.catalog-card a {
  margin-left: 18px;
}

.mini-cta {
  max-width: 1050px;
  margin: 42px auto 0;
  padding: 28px;
  border-radius: 22px;
  background: #111;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.mini-cta h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.mini-cta p {
  margin: 0;
  opacity: .86;
}

.before-gallery,
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 22px;
}

.before-gallery img,
.gallery img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
  transition: .35s;
  cursor: pointer;
  background: #ddd;
}

.before-gallery img {
  height: 450px;
}

.before-gallery img:hover,
.gallery img:hover {
  transform: translateY(-8px) scale(1.02);
}

.faq-list {
  max-width: 900px;
  margin: 28px auto 0;
  display: grid;
  gap: 14px;
}

.faq-item h3,
.service-card h3,
.why-card h3,
.process-step h3 {
  margin-top: 0;
}

.seo-section {
  background: #fff;
}

.seo-content {
  max-width: 950px;
  margin: 0 auto;
  color: #555;
  line-height: 1.8;
}

.contact {
  padding: 70px 6%;
  background: white;
  text-align: center;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin: 35px 0;
}

.contact-card a {
  font-weight: 800;
  text-decoration: none;
}

.contact-buttons {
  justify-content: center;
}

footer {
  padding: 70px 8%;
  background: #1b1b1b;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

footer h3 {
  margin-bottom: 20px;
}

footer a {
  display: block;
  margin-bottom: 10px;
  color: #ddd;
  text-decoration: none;
}

footer a:hover {
  color: #d49a3a;
}

footer hr {
  margin: 40px 0;
  border: none;
  height: 1px;
  background: #444;
}

.copyright {
  text-align: center;
  color: #aaa;
}

.float-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  padding: 14px 18px;
  border-radius: 999px;
  background: #25d366;
  color: white;
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  z-index: 999;
}

.sticky-mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 -8px 24px rgba(0,0,0,.12);
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
}

.sticky-mobile-cta a {
  min-height: 48px;
  border-radius: 14px;
  color: #fff;
  font-weight: 800;
  background: #111;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sticky-mobile-cta a:first-child {
  background: #25d366;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0,0,0,.85);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox img {
  max-width: 92%;
  max-height: 88vh;
  border-radius: 18px;
}

.lightbox span {
  position: absolute;
  top: 22px;
  right: 30px;
  color: white;
  font-size: 42px;
  cursor: pointer;
}

.top-btn {
  display: none;
  position: fixed;
  right: 22px;
  bottom: 85px;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: #d49a3a;
  color: white;
  font-size: 24px;
  font-weight: 900;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 10px 25px rgba(0,0,0,.25);
}

@media (max-width: 1000px) {
  .catalog-grid,
  .services-grid,
  .why-grid,
  .process-grid,
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 72px;
  }

  .top-contact-bar {
    display: none;
  }

  .hero {
    min-height: 75vh;
    padding: 110px 6% 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 17px;
  }

  .section h2,
  .contact h2 {
    font-size: 30px;
  }

  .float-whatsapp {
    display: none;
  }

  .sticky-mobile-cta {
    display: grid;
  }
}

@media (max-width: 560px) {
  .catalog-grid,
  .services-grid,
  .why-grid,
  .process-grid,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 68vh;
  }

  .logo span {
    font-size: 14px;
  }

  .before-gallery img,
  .gallery img {
    height: 300px;
  }

  .mini-cta {
    text-align: center;
    justify-content: center;
  }
}