:root {
  --bg-0: #0e0f12;
  --bg-1: #16181d;
  --bg-2: #1c1f26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eceef2;
  --muted: #9398a3;
  --faint: #5b616d;
  --accent: #45e6ad;
  --accent-dim: #2bbd8c;
  --accent-glow: rgba(69, 230, 173, 0.2);
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --maxw: 1080px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--display);
  color: var(--text);
  background:
    radial-gradient(1100px 560px at 70% -8%, rgba(69, 230, 173, 0.08), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(69, 230, 173, 0.04), transparent 55%),
    linear-gradient(180deg, #0e0f12 0%, #0b0c0e 100%);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}
code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--accent);
  background: rgba(69, 230, 173, 0.08);
  padding: 1px 5px;
  border-radius: 5px;
}

/* ── buttons ──────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  padding: 13px 24px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-sm {
  font-size: 13.5px;
  padding: 8px 16px;
  border-radius: 10px;
}
.btn-lg {
  font-size: 16px;
  padding: 16px 30px;
}
.btn-primary {
  color: #08130d;
  background: var(--accent);
  box-shadow: 0 10px 34px -12px var(--accent-glow);
}
.btn-primary:hover {
  background: #5af0bc;
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -14px var(--accent-glow);
}
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--text);
}

/* ── first-launch alert banner ────────────────────────────────────── */
.alert {
  position: relative;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 11px 20px;
  background: linear-gradient(180deg, #f7b733, #f0a91c);
  color: #1a1206;
  font-size: 14px;
}
.alert-ico {
  flex-shrink: 0;
}
.alert-text b {
  font-weight: 700;
}
.alert-cmd {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: #1a1206;
  background: rgba(0, 0, 0, 0.16);
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 7px;
  padding: 5px 12px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.alert-cmd:hover {
  background: rgba(0, 0, 0, 0.27);
}
@media (max-width: 620px) {
  .alert {
    font-size: 12.5px;
    padding: 10px 14px;
    gap: 10px;
  }
  .alert-cmd {
    font-size: 11.5px;
  }
}

/* ── nav ──────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px;
  backdrop-filter: blur(12px);
}
.wordmark {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.wordmark b {
  color: var(--accent);
}
.nav-links {
  margin-left: auto;
  display: flex;
  gap: 26px;
  font-size: 14.5px;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--text);
}

/* ── hero ─────────────────────────────────────────────────────────── */
main {
  position: relative;
  z-index: 2;
}
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 70px 28px 80px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 64px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.lede {
  margin-top: 24px;
  font-size: 17.5px;
  color: var(--muted);
  max-width: 30em;
}
.lede b {
  color: var(--text);
  font-weight: 600;
}
.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.fineprint {
  margin-top: 18px;
  font-size: 13px;
  color: var(--faint);
}

/* ── app mockup ───────────────────────────────────────────────────── */
.mock {
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: var(--bg-1);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transform: rotate(0.4deg);
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot.r {
  background: #ff5f57;
}
.dot.y {
  background: #febc2e;
}
.dot.g {
  background: #28c840;
}
.mock-tabs {
  margin-left: 14px;
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--faint);
}
.mock-tabs .active {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}
.mock-tabs i {
  font-style: normal;
}
.mock-body {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 28px 26px;
}
.donut {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  background: conic-gradient(
    var(--accent) 0deg 62deg,
    #5b6472 62deg 187deg,
    rgba(255, 255, 255, 0.07) 187deg 360deg
  );
}
.donut-hole {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--bg-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.donut-hole span {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.donut-hole small {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.mock-stats {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mock-stat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
}
.mock-stat b {
  display: block;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.mock-stat.accent b {
  color: var(--accent);
}
.mock-stat span {
  font-size: 11px;
  color: var(--muted);
}
.mock-rows {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 2px;
}
.mrow {
  display: grid;
  grid-template-columns: 64px 1fr 48px;
  gap: 10px;
  align-items: center;
  font-size: 11.5px;
}
.mrow span {
  color: var(--muted);
}
.mrow .bar {
  height: 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.mrow .bar u {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
}
.mrow b {
  font-family: var(--mono);
  color: var(--accent);
  text-align: right;
  font-size: 11px;
}

/* ── cache strip ──────────────────────────────────────────────────── */
.strip {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 28px 56px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: 13.5px;
}
.strip ul {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  list-style: none;
}
.strip li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 4px 10px;
}

/* ── features ─────────────────────────────────────────────────────── */
.features {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}
.card-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 14px;
}
.card h3 {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.card p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

/* ── safety ───────────────────────────────────────────────────────── */
.safety {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 28px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.safety h2 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 16px 0 18px;
}
.safety-copy p {
  color: var(--muted);
  font-size: 16px;
  max-width: 26em;
  margin-bottom: 24px;
}
.guards {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.guards li {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 12px;
  padding: 18px 20px;
}
.guards b {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}
.guards span {
  font-size: 13.5px;
  color: var(--muted);
}

/* ── steps ────────────────────────────────────────────────────────── */
.steps {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 28px 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  text-align: center;
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
  margin-bottom: 14px;
}
.step h4 {
  font-size: 17px;
  font-weight: 700;
}
.step p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

/* ── cta ──────────────────────────────────────────────────────────── */
.cta {
  text-align: center;
  padding: 80px 28px 90px;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(69, 230, 173, 0.08), transparent 70%);
  border-top: 1px solid var(--line);
}
.cta h2 {
  font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.cta .fineprint {
  margin-top: 20px;
}
.cta .fineprint b {
  color: var(--muted);
}

/* ── footer ───────────────────────────────────────────────────────── */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 28px 50px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13.5px;
}
.footer-dl {
  color: var(--accent);
  font-weight: 600;
}
.footer-dl:hover {
  color: #5af0bc;
}
.footer-note {
  margin-left: auto;
}

/* ── responsive ───────────────────────────────────────────────────── */
@media (max-width: 880px) {
  .hero,
  .safety {
    grid-template-columns: 1fr;
  }
  .features {
    grid-template-columns: 1fr 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .nav-links {
    display: none;
  }
  .mock {
    order: -1;
  }
}
@media (max-width: 520px) {
  .features,
  .guards,
  .mock-stats {
    grid-template-columns: 1fr;
  }
  .footer-note {
    margin-left: 0;
  }
}