:root {
  color-scheme: light;
  --ink: #161b25;
  --muted: #5d6573;
  --faint: #9aa1ad;
  --paper: #f5f5f5;
  --panel: #ffffff;
  --line: #e6e8ee;
  --line-strong: #d3d7e0;
  --brand: #232a44; /* ink-navy chrome accent (logo, CTA, kicker) */
  --brand-deep: #161b30;
  --shadow: 0 22px 60px rgba(22, 27, 37, 0.12);
  --shadow-soft: 0 8px 22px rgba(22, 27, 37, 0.07);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
}
body {
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: rgba(35, 42, 68, 0.08);
  color: var(--brand);
  padding: 0.05em 0.4em;
  border-radius: 6px;
}

.ds-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  min-height: 100vh;
}

/* ---------------------------------------------------------- topbar */
.ds-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.ds-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ds-logo {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(140deg, #2c3450, #191f33);
  box-shadow: 0 0 0 4px rgba(35, 42, 68, 0.1);
}
.ds-logo svg {
  display: block;
}
.ds-brand strong {
  display: block;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.ds-brand small {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}
.ds-topnav a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.86rem;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--panel);
  transition: border-color 0.15s, background 0.15s;
}
.ds-topnav a:hover {
  border-color: var(--brand);
  background: #f1f2f6;
}

/* ------------------------------------------------------------ hero */
.ds-hero {
  padding: 18px 0 6px;
  max-width: 62ch;
}
.ds-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 12px;
}
.ds-hero h1 {
  margin: 0;
  font-size: 2.5rem;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.ds-lede {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}
.ds-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.ds-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--ink);
  transition: transform 0.1s, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.ds-btn:hover {
  border-color: var(--brand);
}
.ds-btn:active {
  transform: translateY(1px);
}
.ds-btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 12px 28px rgba(35, 42, 68, 0.24);
}
.ds-btn.primary:hover {
  background: var(--brand-deep);
}

/* -------------------------------------------------------- features */
.ds-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}
.ds-section-head h2 {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}
.ds-section-head p {
  margin: 0;
  color: var(--faint);
  font-size: 0.86rem;
}
.ds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}
.ds-card {
  --accent: var(--brand);
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: transform 0.12s, box-shadow 0.15s, border-color 0.15s;
}
.ds-card.live:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--accent) 24%, transparent);
}
.ds-card.soon {
  opacity: 0.94;
  cursor: not-allowed;
}
.ds-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ds-card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border-radius: 12px;
  background: #eef0f4;
}
.ds-status {
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
}
.ds-status.live {
  color: #fff;
  background: var(--accent);
}
.ds-status.soon {
  color: var(--muted);
  background: #eceef2;
}
.ds-card h3 {
  margin: 2px 0 0;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}
.ds-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
  flex: 1;
}
.ds-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ds-tag {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
  background: #f1f2f6;
  border-radius: 999px;
  padding: 3px 9px;
}
.ds-card-go {
  margin-top: 4px;
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--accent);
}

/* ------------------------------------------------------------ foot */
.ds-foot {
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--faint);
}

@media (max-width: 640px) {
  .ds-hero h1 {
    font-size: 1.9rem;
  }
}