/* Aşağıdan yukarı animasyon */
.animate-up {
  opacity: 0;
  transform: translateY(40px);
  animation: animateUp 0.8s cubic-bezier(.5,1.5,.5,1) forwards;
}

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

/* Animasyon gecikmesi için sırayla uygulanabilir */
.animate-up:nth-child(1) { animation-delay: 0.1s; }
.animate-up:nth-child(2) { animation-delay: 0.2s; }
.animate-up:nth-child(3) { animation-delay: 0.3s; }
.animate-up:nth-child(4) { animation-delay: 0.4s; }
.animate-up:nth-child(5) { animation-delay: 0.5s; }
/* ---------- Base ---------- */
:root{
  --bg: #000;
  --fg: #fff;
  --muted: #bbb;
  --accent: #fff; /* strictly black & white theme */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  overflow-x: hidden;
}

/* subtle animated black/white pattern */
.bg-pattern{
  position: fixed;
  inset: -10vmax;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.04) 0 12px, rgba(0,0,0,0) 12px 24px);
  animation: drift 18s linear infinite;
  pointer-events: none;
  z-index: 0;
  filter: contrast(110%);
}
@keyframes drift { to { transform: translate3d(4%, 4%, 0) rotate(0.001deg); } }

/* Layout wrappers */
.site-header, .site-footer, .section, .hero{
  position: relative;
  z-index: 1;
}
.site-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid #111;
  backdrop-filter: blur(4px);
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .5px;
}
.brand .tld{ opacity: .6; font-weight: 400; }
.brand .dot{
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--fg);
  box-shadow: 0 0 0 4px #000, 0 0 0 6px #fff;
}
.nav{
  display: flex; gap: 16px; align-items: center;
}
.nav a{ color: var(--fg); text-decoration: none; opacity: .9 }
.nav a:hover{ opacity: 1; text-decoration: underline; }

.hero{
  padding: clamp(48px, 10vw, 120px) clamp(16px, 5vw, 64px);
  text-align: center;
}
.badge{
  display: inline-block;
  border: 1px solid var(--fg);
  padding: 6px 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 12px;
  border-radius: 999px;
  opacity: .85;
}
.hero h1{
  margin: 14px 0 10px;
  font-size: clamp(40px, 7.2vw, 120px);
  line-height: .9;
  letter-spacing: -1px;
}
.hero .domain span{ opacity: .6; }
.lead{
  margin: 10px auto 26px;
  max-width: 760px;
  color: var(--fg);
  opacity: .9;
  font-size: clamp(16px, 2.2vw, 22px);
}
.cta{ display: flex; gap: 12px; justify-content: center; align-items:center; flex-wrap: wrap; margin: 18px 0 12px; }

.btn, .btn-outline, .btn.ghost{
  appearance: none; border: 0; cursor: pointer;
  padding: 12px 18px; border-radius: 999px;
  font-weight: 700; letter-spacing: .4px;
  transition: transform .08s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn{ background: var(--fg); color: var(--bg); }
.btn:hover{ transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255,255,255,.15); }
.btn:active{ transform: translateY(0); }

.btn-outline{ background: transparent; color: var(--fg); border: 1px solid var(--fg); }
.btn-outline:hover{ background: #111; }

.btn.ghost{ background: transparent; color: var(--fg); border: 1px dashed var(--fg); }
.btn.ghost:hover{ background: #111; }

.quick-facts{
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
  margin: 18px 0 0; padding: 0; list-style: none;
}
.quick-facts li{
  border: 1px solid #222; padding: 8px 14px; border-radius: 999px; font-size: 13px; opacity: .9;
}
.quick-facts .k{ font-weight: 800; }

.hint{
  margin-top: 18px; color: var(--muted); font-size: 12px;
}

.section{
  padding: clamp(36px, 6vw, 72px) clamp(16px, 5vw, 64px);
}
.cards{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}
.card{
  grid-column: span 4;
  border: 1px solid #1a1a1a;
  padding: 22px;
  border-radius: 20px;
  background: #050505;
  transition: transform .15s ease, border-color .2s ease;
}
.card:hover{ transform: translateY(-3px); border-color: #2a2a2a; }
.card h3{ margin: 0 0 8px; }
.card p{ margin: 0; color: #e6e6e6; opacity: .9; }

.offer-form{
  max-width: 820px;
  margin: 10px auto 0;
  display: grid;
  gap: 14px;
}
.offer-form .grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
.offer-form label{ display: grid; gap: 6px; font-weight: 600; }
.offer-form input, .offer-form textarea{
  width: 100%;
  background: #0c0c0c;
  color: var(--fg);
  border: 1px solid #1a1a1a;
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.offer-form input:focus, .offer-form textarea:focus{ border-color: #fff; }
.offer-form .actions{ display: flex; gap: 10px; align-items:center; }

.tiny{ font-size: 12px; }
.muted{ color: var(--muted); }

.site-footer{
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; padding: 18px clamp(16px, 4vw, 48px);
  border-top: 1px solid #111;
  color: #aaa; font-size: 14px;
}

/* Modal */
.modal{
  position: fixed; inset: 0;
  display: none;
  z-index: 10;
}
.modal[aria-hidden="false"]{ display: block; }
.modal__backdrop{
  position: absolute; inset: 0; background: rgba(0,0,0,.6);
}
.modal__dialog{
  position: relative; margin: 8vh auto; max-width: 560px; background: #000; color: var(--fg);
  border: 1px solid #1a1a1a; border-radius: 16px; padding: 18px;
  box-shadow: 0 24px 50px rgba(0,0,0,.8);
}
.modal__close{
  position: absolute; top: 8px; right: 10px;
  background: transparent; color: var(--fg); border: 0; font-size: 28px; cursor: pointer;
}
.w-full{ width: 100%; }

.top{ color: var(--fg); text-decoration:none; opacity:.9 }
.top:hover{ opacity:1; text-decoration: underline; }

/* Responsive */
@media (max-width: 900px){
  .card{ grid-column: span 6; }
}
@media (max-width: 640px){
  .offer-form .grid{ grid-template-columns: 1fr; }
  .card{ grid-column: span 12; }
  .nav{ display: none; } /* simplify header on small screens */
}