:root {
  color-scheme: dark;
  --bg: #06111f;
  --bg-soft: #0b1b32;
  --panel: rgba(11, 27, 50, 0.82);
  --panel-soft: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-warm: #f59e0b;
  --success: #34d399;
  --shadow: 0 24px 80px rgba(14, 165, 233, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.24), transparent 38%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.18), transparent 34%),
    linear-gradient(180deg, #030712 0%, var(--bg) 100%);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family:
    "IBM Plex Sans",
    "Avenir Next",
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  background: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand-mark {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.95), rgba(14, 165, 233, 0.65)),
    linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(245, 158, 11, 0.35));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.topbar-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.85rem;
  padding: 0.85rem 1.15rem;
  border-radius: 0.9rem;
  border: 1px solid transparent;
  font-size: 0.98rem;
  font-weight: 650;
  transition:
    transform 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #67e8f9);
  color: #04111d;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.16);
}

.hero {
  display: grid;
  gap: 2rem;
  padding: 1.8rem 0 4.2rem;
}

.eyebrow {
  margin: 0;
  color: #7dd3fc;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 1rem 0 0;
  max-width: 13ch;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 0.98;
}

.hero p {
  max-width: 44rem;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-panel {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-panel h2 {
  margin: 0.6rem 0 0;
  font-size: 1.7rem;
}

.hero-panel p {
  margin-top: 1rem;
  font-size: 0.98rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.section h2 {
  margin: 0.8rem 0 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.05;
}

.lede {
  margin-top: 1rem;
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.1rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  background: var(--panel);
}

.card h3 {
  margin: 0.55rem 0 0;
  font-size: 1.2rem;
}

.card p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card strong {
  color: var(--text);
}

.icon-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

.icon-line.warm {
  color: var(--accent-warm);
  background: rgba(245, 158, 11, 0.14);
}

.icon-line.success {
  color: var(--success);
  background: rgba(52, 211, 153, 0.14);
}

.list {
  display: grid;
  gap: 0.8rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 1rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background: var(--panel-soft);
  color: var(--muted);
}

.list li::before {
  content: "✓";
  color: #7dd3fc;
  font-weight: 800;
}

.ordered-list {
  display: grid;
  gap: 0.95rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.ordered-list li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--panel);
}

.ordered-list li strong {
  display: block;
  color: var(--text);
}

.ordered-list li p {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.15rem;
  height: 2.15rem;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  font-size: 0.88rem;
  font-weight: 700;
}

.step-number.success {
  color: var(--success);
  background: rgba(52, 211, 153, 0.14);
}

.step-number.warm {
  color: var(--accent-warm);
  background: rgba(245, 158, 11, 0.14);
}

.kicker-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: #7dd3fc;
  font-size: 0.95rem;
  font-weight: 650;
}

.faq-grid,
.faq {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.faq-card {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: var(--panel);
}

.faq-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.faq-card p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.8rem;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
    align-items: start;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1rem, 1120px);
  }

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

  .topbar-actions {
    width: 100%;
    justify-content: stretch;
  }

  .topbar-actions a {
    flex: 1 1 0;
  }
}