/* ========== Reset / Temel ========== */
*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", sans-serif;
  color: rgba(255,255,255,0.92);
  background:
    linear-gradient(180deg, rgba(5,6,10,0.70), rgba(5,6,10,0.88)),
    url("arkaplan.avif");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow-x: hidden;
}
body.no-scroll{ overflow: hidden; }

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

/* ========== Container ========== */
.container{
  width: min(1100px, 92vw);
  margin-inline: auto;
}

/* ========== Overlay ========== */
.site-overlay{
  position: fixed;
  inset: 0;
  background: rgba(10,10,15,0.78);
  backdrop-filter: blur(1.5px);
  z-index: 998;
  display: none;
}

/* ========== Header / Nav ========== */
.header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,14,0.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

/* Brand */
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}
.logo{
  width: 114px;
  height: 104px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 6px;
}
.brand-text .big{
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.2px;
}
.brand-text .big span{ color: rgba(255,255,255,0.95); }
.brand-text .sub{
  font-size: 13px;
  opacity: 0.85;
  margin-top: 2px;
}

/* Navbar */
.navbar{
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
.menu-toggle{
  display: none;
  font-size: 28px;
  background: transparent;
  border: 0;
  color: rgba(255,255,255,0.92);
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 12px;
}
.menu-toggle:active{ transform: scale(0.98); }

/* Masaüstü linkler */
.navlinks{
  display: flex;
  align-items: center;
  gap: 14px;
}
.navlinks a{
  padding: 10px 12px;
  border-radius: 12px;
  opacity: 0.92;
}
.navlinks a:hover{
  background: rgba(255,255,255,0.08);
  opacity: 1;
}
.navlinks a.primary{
  background: rgba(225,6,0,0.22);
  border: 1px solid rgba(225,6,0,0.40);
}

/* ========== Hero ========== */
.hero{
  padding-bottom: 20px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
  align-items: start;
}

.hero-card, .side-card, .card, .contact-box{
  background: rgba(10,10,14,0.55);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(0,0,0,0.25);
  backdrop-filter: blur(10px);
}

.hero-card{
  padding: 28px;
}
.kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  opacity: 0.9;
  margin-bottom: 10px;
}
.dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: rgba(225,6,0,0.9);
  box-shadow: 0 0 18px rgba(225,6,0,0.45);
}
.hero h1{
  margin: 8px 0 10px;
  font-size: 44px;
  line-height: 1.08;
  letter-spacing: -0.5px;
}
.accent{ color: rgba(225,6,0,0.95); }
.hero p{
  margin: 0;
  opacity: 0.88;
  line-height: 1.6;
}

.cta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
  font-weight: 700;
  cursor: pointer;
}
.btn:hover{ background: rgba(255,255,255,0.10); }
.btn.red{
  background: rgba(225,6,0,0.22);
  border: 1px solid rgba(225,6,0,0.40);
}

/* Side card */
.side-card{ padding: 20px; }
.side-title{ margin: 4px 0 12px; font-size: 16px; }
.list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.list li{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}
.badge{
  width: 10px; height: 10px;
  margin-top: 5px;
  border-radius: 999px;
  background: rgba(225,6,0,0.85);
}

/* ========== Sections ========== */
.section{
  padding: 26px 0;
}
.section-head{
  margin-bottom: 14px;
}
.section-head h2{
  margin: 0 0 6px;
  font-size: 26px;
}
.section-head p{
  margin: 0;
  opacity: 0.86;
  line-height: 1.6;
}

/* Cards grid */
.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  padding: 18px;
}
.card h3{ margin: 0 0 8px; font-size: 16px; }
.card p{ margin: 0; opacity: 0.86; line-height: 1.55; }

/* ========== Contact ========== */
.contact-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}
.contact-box{
  padding: 18px;
}
.contact-box h3{ margin: 0 0 10px; }
.contact-row{
  display: grid;
  gap: 8px;
  opacity: 0.9;
  margin-bottom: 12px;
}
.map{
  width: 100%;
  height: 240px;
  border-radius: 14px;
}

/* WhatsApp button */
.whatsapp-button{
  display: inline-block;
  margin-top: 12px;
  padding: 12px 16px;
  background-color: #25D366;
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  transition: filter 0.2s;
}
.whatsapp-button:hover{ filter: brightness(0.92); }

/* ========== Footer ========== */
.footer{
  padding: 18px 0 26px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(10,10,14,0.45);
  backdrop-filter: blur(10px);
}
.foot{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  opacity: 0.9;
}

/* ========== Responsive ========== */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .hero h1{ font-size: 38px; }
}

@media (max-width: 768px){
  /* logo + brand text mobilde gizlensin (senin isteğin) */
  .brand{ min-width: auto; }
  .brand-text{ display: none; }

  .menu-toggle{ display:block; }

  /* mobilde menü panel */
  .navlinks{
    display: none;
    position: fixed;
    top: 74px;
    right: 12px;
    width: min(260px, 92vw);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    z-index: 999; /* overlay üstünde */
    background: rgba(10,10,14,0.92);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  }
  .navlinks.active{ display: flex; }

  .navlinks a{
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
  }
}

@media (max-width: 520px){
  .hero-card{ padding: 22px; }
  .hero h1{ font-size: 32px; }
}
.slider{
  width: 100%;
  margin: 12px 0;
  height: 500px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(10,10,14,0.55);
}

.slides{
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform .35s ease;
}

.slides img{
  width: 100%;
  flex: 0 0 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.prev,.next{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 28px;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}
.prev{ left: 10px; }
.next{ right: 10px; }

@media (max-width: 520px){
  .slides img{ height: 200px; }
}
@media (max-width: 768px){
  .slides{
    overflow: hidden;
  }
}