:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-muted: #1f2937;
  --surface-raised: linear-gradient(140deg, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.95));
  --text: #e2e8f0;
  --muted: #94a3b8;
  --subtle: rgba(148, 163, 184, 0.55);
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.22);
  --accent-dark: #c2410c;
  --border: rgba(148, 163, 184, 0.22);
  --border-strong: rgba(148, 163, 184, 0.35);
  --radius-md: 12px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-soft: 0 24px 70px rgba(15, 23, 42, 0.6);
  --shadow-hover: 0 30px 90px rgba(15, 23, 42, 0.75);
  font-family: 'JetBrains Mono', 'DM Mono', 'Fira Code', 'Source Code Pro', ui-monospace,
    SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-feature-settings: "ss02", "ss03", "calt";
}

#ml {
  color: var(--accent);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

a:hover {
  color: var(--accent);
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 21, 36, 0.82);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  backdrop-filter: blur(22px);
}

.container {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
}

.container.narrow {
  width: min(100%, 720px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-emoji {
  font-size: 1.8rem;
}

.brand-moniker {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-moniker-primary {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  letter-spacing: 0.05em;
  font-size: 1rem;
}

.brand-brace {
  color: rgba(148, 163, 184, 0.65);
}

.brand-dot {
  color: var(--accent);
}

.brand-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.6);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
}

.nav-link {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  background: rgba(15, 118, 110, 0.16);
  border-color: rgba(19, 78, 74, 0.4);
  color: #5eead4;
  transform: translateY(-1px);
}

main {
  flex: 1;
  padding: 3rem 1.5rem 4rem;
}

.stack {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(2.8rem, 5vw, 4.4rem);
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.95), rgba(9, 9, 15, 0.92)),
    radial-gradient(circle at 5% 15%, rgba(59, 130, 246, 0.22), transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(249, 115, 22, 0.25), transparent 45%);
  box-shadow: var(--shadow-soft);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: rgba(248, 250, 252, 0.75);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  margin: 1.6rem 0 1.1rem;
  line-height: 1.05;
  color: #f8fafc;
  text-shadow: 0 22px 40px rgba(8, 47, 73, 0.45);
}

.hero p {
  margin: 0 0 1.5rem;
  color: rgba(226, 232, 240, 0.82);
}

.hero strong {
  color: #f8fafc;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2.2rem 0 0;
}

.hero-footer {
  margin-top: 2.4rem;
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.7);
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: clamp(2.2rem, 3.5vw, 3.1rem);
  box-shadow: var(--shadow-soft);
}

.card h1,
.card h2 {
  margin-top: 0;
  letter-spacing: -0.015em;
  color: #f8fafc;
}

.card h1 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.card h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.card p {
  margin: 0.6rem 0 1.6rem;
  color: var(--muted);
}

.feature-list {
  counter-reset: steps;
  list-style: none;
  padding: 0;
  margin: 2.2rem 0 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  counter-increment: steps;
  position: relative;
  padding: 1.35rem 1.6rem 1.35rem 3.9rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--surface-muted);
  box-shadow: 0 24px 55px rgba(8, 47, 73, 0.35);
}

.feature-list li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  top: 50%;
  left: 1.4rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
}

form {
  display: grid;
  gap: 1.6rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.field-label {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(226, 232, 240, 0.7);
}

.field-hint {
  font-size: 0.8rem;
  color: rgba(226, 232, 240, 0.6);
}

input {
  appearance: none;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  font: inherit;
  background: rgba(15, 23, 42, 0.75);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input::placeholder {
  color: rgba(148, 163, 184, 0.55);
  letter-spacing: 0.05em;
}

input:focus {
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.26);
  outline: none;
}

input[type="password"] {
  letter-spacing: 0.08em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.95rem 1.95rem;
  border-radius: 999px;
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0f172a;
  box-shadow: 0 22px 40px rgba(249, 115, 22, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: #fb923c;
}

.btn:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.35);
  outline-offset: 3px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.2);
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.35);
  box-shadow: none;
}

.btn-secondary:hover {
  color: #0f172a;
  background: var(--accent);
  border-color: transparent;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

.callout {
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.65);
  font-size: 0.95rem;
}

.callout strong {
  color: #f8fafc;
}

.callout-info {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(59, 130, 246, 0.35);
  color: #bfdbfe;
}

.callout-success {
  background: rgba(34, 197, 94, 0.16);
  border-color: rgba(34, 197, 94, 0.35);
  color: #bbf7d0;
}

.callout-error {
  background: rgba(248, 113, 113, 0.16);
  border-color: rgba(239, 68, 68, 0.42);
  color: #fecdd3;
}

.form-help {
  margin: 2rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-help a {
  color: var(--accent);
  font-weight: 600;
}

.form-help a:hover {
  color: #fb923c;
}

footer {
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.65);
}

.site-footer {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 1.6rem 1.5rem 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer a {
  color: var(--accent);
}

.site-footer a:hover {
  color: #fb923c;
}

@media (max-width: 768px) {
  header {
    position: static;
    backdrop-filter: none;
  }

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

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    flex: 1;
    text-align: center;
  }

  .hero {
    padding: 2.4rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .feature-list li {
    padding-left: 3rem;
  }

  .feature-list li::before {
    left: 1rem;
  }

  .card {
    padding: 2.4rem;
  }

  .action-row {
    flex-direction: column;
  }
}