:root {
  color-scheme: dark;
  --bg: #0f0f10;
  --panel: #171718;
  --panel-inner: #131314;
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --muted-soft: rgba(255, 255, 255, 0.6);
  --muted-faint: rgba(255, 255, 255, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.landing-body {
  background: var(--bg);
}

.landing-main {
  min-height: 100vh;
}

.landing-shell {
  width: min(1280px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark,
.launch-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #000;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 24px;
  font-size: 18px;
}

.brand-text {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.phase-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.phase-pill {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.55);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  flex: 1;
  padding: 64px 0;
}

.status-pill {
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-soft);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
}

.status-icon {
  font-size: 14px;
}

.hero-copy h1 {
  max-width: 960px;
  margin: 32px 0 0;
  font-size: clamp(3rem, 6vw, 5.35rem);
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 600;
}

.hero-subtitle {
  max-width: 700px;
  margin: 32px 0 0;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.65;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.button.primary {
  background: #fff;
  color: #000;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.preview-card {
  border-radius: 36px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #171718 0%, #111112 100%);
  padding: 24px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
}

.preview-inner {
  border-radius: 29px;
  border: 1px solid var(--line-soft);
  background: var(--panel-inner);
  padding: 24px;
}

.preview-label {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted-faint);
}

.preview-list {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.preview-item {
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.launch-body {
  background: var(--bg);
}

.launch-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.launch-card {
  width: min(768px, 100%);
  border-radius: 32px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 40px;
  text-align: center;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
}

.launch-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 24px;
  font-size: 28px;
}

.launch-title {
  margin-top: 32px;
  font-size: clamp(2.4rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.05em;
}

.launch-card p {
  max-width: 620px;
  margin: 20px auto 0;
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .landing-shell {
    padding: 24px 16px;
  }

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

  .hero-grid {
    gap: 32px;
    padding: 40px 0;
  }

  .launch-card {
    padding: 28px;
    border-radius: 24px;
  }
}