:root {
  --bg: #0b0f14;
  --bg-alt: #111820;
  --surface: #151c26;
  --surface-2: #1a2330;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf4;
  --text-muted: #8b98a8;
  --accent: #3dd6c6;
  --accent-2: #5b8def;
  --accent-glow: rgba(61, 214, 198, 0.15);
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --container: 1120px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(91, 141, 239, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(61, 214, 198, 0.08), transparent);
  z-index: -1;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(11, 15, 20, 0.82);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f14;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text) !important;
}

.nav-cta:hover {
  border-color: rgba(61, 214, 198, 0.35);
  background: rgba(61, 214, 198, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Hero */
.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.lead {
  margin: 0;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36rem;
}

.lead.narrow {
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2ebfb0);
  color: #071018;
  box-shadow: 0 12px 30px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--surface);
}

.btn-full {
  width: 100%;
}

.hero-panel {
  position: relative;
}

.terminal {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a4554;
}

.terminal-bar span:nth-child(1) { background: #ff5f57; }
.terminal-bar span:nth-child(2) { background: #febc2e; }
.terminal-bar span:nth-child(3) { background: #28c840; }

.terminal pre {
  margin: 0;
  padding: 1.25rem 1.35rem 1.5rem;
  overflow-x: auto;
}

.terminal code {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #c5d0de;
}

.t-dim { color: #6d7b8c; }
.t-ok { color: #5ee4a8; }
.t-accent { color: var(--accent); }

/* Stats */
.stats {
  padding: 0 0 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stats-grid article {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.stats-grid strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.stats-grid span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 50%, transparent);
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2,
.approach-grid h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.card {
  padding: 1.6rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(61, 214, 198, 0.22);
  transform: translateY(-2px);
}

.card-icon {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}

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

/* Approach */
.approach-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3rem;
  align-items: start;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.steps li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
}

.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(91, 141, 239, 0.12);
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.steps p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Stack tags */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tag-cloud span {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

/* Contact */
.section-contact {
  padding-bottom: 5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-copy p {
  color: var(--text-muted);
  max-width: 28rem;
}

.contact-meta {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-meta li {
  display: grid;
  gap: 0.2rem;
}

.meta-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.contact-meta a {
  color: var(--accent);
  font-weight: 500;
}

.contact-meta a:hover {
  text-decoration: underline;
}

.contact-form {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  font-weight: 500;
}

.optional {
  color: var(--text-muted);
  font-weight: 400;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(61, 214, 198, 0.45);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-note {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  min-height: 1.25rem;
}

.form-note.success { color: #5ee4a8; }
.form-note.error { color: #ff8b8b; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-brand {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-copy {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Thank you page */
.page-thanks {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
}

.page-thanks .card {
  max-width: 28rem;
  padding: 2.5rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .approach-grid,
  .contact-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    order: -1;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: rgba(11, 15, 20, 0.98);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
  }

  .site-header.is-open .site-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .site-nav a:last-child {
    border-bottom: 0;
    margin-top: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 3.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}