:root {
  color-scheme: dark;
  --background: #070709;
  --surface: rgba(18, 18, 22, 0.72);
  --line: rgba(255, 255, 255, 0.11);
  --text: #f5f5f7;
  --muted: #9a9aa4;
  --accent: #ff003d;
  --accent-soft: #ff315f;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--background);
  background-size: 72px 72px;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(circle at 50% 45%, transparent 0, #070709 72%);
  content: "";
  pointer-events: none;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  filter: blur(130px);
  opacity: 0.16;
  pointer-events: none;
}

.ambient-one {
  top: -17rem;
  left: -10rem;
  background: var(--accent);
}

.ambient-two {
  right: -18rem;
  bottom: -20rem;
  background: #760020;
}

.site-header,
main,
footer {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 112px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.78rem;
}

.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ce78b;
  box-shadow: 0 0 18px rgba(60, 231, 139, 0.85);
}

main {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
  min-height: calc(100vh - 196px);
  min-height: calc(100svh - 196px);
  padding-block: 72px;
}

.hero {
  max-width: 680px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--accent-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 32px;
  height: 1px;
  background: var(--accent);
  content: "";
}

h1 {
  margin: 0;
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 760;
  letter-spacing: -0.07em;
  line-height: 0.89;
}

h1 span {
  color: transparent;
  background: linear-gradient(115deg, #ffffff 10%, #777781 110%);
  background-clip: text;
  -webkit-background-clip: text;
}

.intro {
  max-width: 600px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  line-height: 1.75;
}

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.platforms span {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #c4c4ca;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.signal-card {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent 40%),
    var(--surface);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.signal-card::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(125deg, transparent 45%, rgba(255, 0, 61, 0.07));
  content: "";
  pointer-events: none;
}

.signal-topline,
.signal-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  color: #73737d;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.signal-topline {
  justify-content: space-between;
  padding: 25px 28px;
  border-bottom: 1px solid var(--line);
}

.mark {
  display: grid;
  min-height: 372px;
  place-items: center;
}

.mark img {
  width: min(52%, 220px);
  height: auto;
  border-radius: 24%;
  filter: drop-shadow(0 22px 35px rgba(255, 0, 61, 0.16));
}

.signal-footer {
  gap: 11px;
  padding: 22px 28px;
  border-top: 1px solid var(--line);
}

.signal-footer p {
  margin: 0;
}

.pulse {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(255, 0, 61, 0.9);
  animation: pulse 2.4s ease-in-out infinite;
}

footer {
  display: flex;
  justify-content: space-between;
  min-height: 84px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: #666670;
  font-size: 0.75rem;
}

@keyframes pulse {
  50% {
    opacity: 0.42;
    transform: scale(0.72);
  }
}

@media (max-width: 860px) {
  main {
    grid-template-columns: 1fr;
    padding-block: 64px;
  }

  .hero {
    max-width: 720px;
  }

  .signal-card {
    min-height: 420px;
  }

  .mark {
    min-height: 290px;
  }
}

@media (max-width: 560px) {
  .site-header,
  main,
  footer {
    width: min(100% - 32px, 1160px);
  }

  .site-header {
    min-height: 88px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .status {
    font-size: 0;
  }

  .status::after {
    font-size: 0.72rem;
    content: "Yayında";
  }

  main {
    gap: 52px;
    min-height: auto;
    padding-block: 58px;
  }

  h1 {
    font-size: clamp(3.15rem, 16vw, 5rem);
  }

  .intro {
    margin-top: 26px;
  }

  .signal-card {
    min-height: 360px;
    border-radius: 22px;
  }

  .mark {
    min-height: 240px;
  }

  .signal-footer {
    align-items: flex-start;
  }

  footer {
    min-height: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulse {
    animation: none;
  }
}