:root {
  --bg-1: #0a0a0a;
  --bg-2: #151515;
  --card: rgba(21, 21, 21, 0.72);
  --card-border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --muted: #888888;
  --green: #00ff88;
  --green-2: #00cc6a;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: auto;
  filter: blur(70px);
  z-index: -1;
  pointer-events: none;
}

.bg-1 {
  width: 360px;
  height: 360px;
  border-radius: 999px;
  background: rgba(0, 255, 136, 0.14);
  top: -100px;
  right: -120px;
}

.bg-2 {
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: rgba(0, 255, 136, 0.09);
  bottom: -180px;
  left: -160px;
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 12px;
}

.eyebrow {
  margin: 0 0 2px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--green);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.05;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stamp {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.lang-switch {
  padding: 4px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  display: inline-flex;
  gap: 4px;
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 7px 12px;
  cursor: pointer;
  font-weight: 700;
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #00180d;
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px 20px 40px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
}

.toc {
  position: sticky;
  top: 16px;
  align-self: start;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 16px;
}

.toc h2 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 16px;
}

.toc a {
  display: block;
  color: #d2d2d2;
  text-decoration: none;
  font-size: 13px;
  line-height: 1.35;
  padding: 7px 8px;
  border-radius: 10px;
  transition: 160ms ease;
}

.toc a:hover {
  color: #06150d;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.95), rgba(0, 204, 106, 0.95));
}

.policy {
  display: grid;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 18px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--green);
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
}

.card p {
  margin: 8px 0;
  color: #d4d4d4;
  line-height: 1.6;
}

.card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.card li {
  margin: 6px 0;
  color: #d4d4d4;
}

.card a {
  color: var(--green);
}

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 20px 28px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.lang {
  display: none;
}

body[data-lang="tr"] .lang.tr {
  display: block;
}

body[data-lang="en"] .lang.en {
  display: block;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer {
    flex-direction: column;
    gap: 6px;
  }
}