:root {
  --bg: #090b10;
  --surface: #10131b;
  --surface-2: #161a24;
  --border: #232936;
  --text: #e7eaf1;
  --text-muted: #8d95a8;
  --accent: #f2b544;
  --accent-dim: #7a6229;
  --teal: #35d0c1;
  --green: #34d17a;
  --red: #f0555a;

  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-hero: clamp(2.4rem, 1.6rem + 3.2vw, 4.4rem);
  --text-h2: clamp(1.6rem, 1.3rem + 1.2vw, 2.4rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.075rem);

  --space-section: clamp(3.5rem, 3rem + 3vw, 7rem);
  --radius: 10px;

  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(242, 181, 68, 0.06), transparent 40%),
    radial-gradient(circle at 88% 0%, rgba(53, 208, 193, 0.05), transparent 45%);
}

a {
  color: inherit;
}

.mono {
  font-family: var(--font-mono);
}

.wrap {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

/* ---------- Nav ---------- */

.site-nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(9, 11, 16, 0.85);
  backdrop-filter: blur(10px);
  z-index: 20;
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

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

.nav-cta {
  border: 1px solid var(--accent-dim);
  background: transparent;
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out-expo), color var(--duration-fast) var(--ease-out-expo);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--accent);
  color: #191204;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(3.5rem, 3rem + 3vw, 6rem) var(--space-section);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 1.5rem + 2vw, 4rem);
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  border: 1px solid rgba(53, 208, 193, 0.3);
  background: rgba(53, 208, 193, 0.07);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(53, 208, 193, 0.2);
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: var(--text-hero);
  line-height: 1.05;
  margin: 0 0 1.3rem;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p.lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo), background var(--duration-fast) var(--ease-out-expo);
}

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

.btn-primary {
  background: var(--accent);
  color: #191204;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #ffce6e;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--text-muted);
}

/* ---------- terminal card ---------- */

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3a4051;
}

.terminal-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.1rem 1.2rem 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #c7cede;
}

.terminal-body .k {
  color: var(--teal);
}

.terminal-body .s {
  color: var(--accent);
}

.terminal-body .c {
  color: #5b6478;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed var(--border);
  margin-top: 0.9rem;
  padding-top: 0.9rem;
}

.stat {
  text-align: left;
}

.stat .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.stat .value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  margin-top: 0.2rem;
}

.value.pos {
  color: var(--green);
}

.value.neg {
  color: var(--red);
}

/* ---------- sections ---------- */

section {
  padding-block: var(--space-section);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 62ch;
  margin-bottom: 2.75rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  display: block;
}

.section-head h2 {
  font-size: var(--text-h2);
  margin: 0 0 0.8rem;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

/* ---------- pricing ---------- */

.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .tiers {
    grid-template-columns: 1fr;
  }
}

.tier {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.tier.featured {
  border-color: var(--accent-dim);
  background: linear-gradient(180deg, rgba(242, 181, 68, 0.08), var(--surface) 40%);
  transform: translateY(-0.5rem);
}

@media (max-width: 900px) {
  .tier.featured {
    transform: none;
  }
}

.tier-badge {
  position: absolute;
  top: -0.7rem;
  left: 1.75rem;
  background: var(--accent);
  color: #191204;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.tier h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  margin: 0.3rem 0 0.4rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tier .price {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
}

.tier .price sup {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.tier .tier-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.4rem;
}

.tier ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9rem;
}

.tier li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.tier li::before {
  content: "＋";
  color: var(--teal);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.tier .btn {
  margin-top: auto;
  justify-content: center;
}

/* ---------- proof / backtest table ---------- */

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .proof-grid {
    grid-template-columns: 1fr;
  }
}

table.backtest {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

table.backtest th,
table.backtest td {
  text-align: left;
  padding: 0.65rem 0.7rem;
  border-bottom: 1px solid var(--border);
}

table.backtest th {
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

table.backtest td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.badge-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.badge.ok {
  border-color: rgba(52, 209, 122, 0.35);
  color: var(--green);
  background: rgba(52, 209, 122, 0.06);
}

pre.code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  color: #c7cede;
}

pre.code .cm {
  color: #5b6478;
}

pre.code .kw {
  color: var(--teal);
}

pre.code .fn {
  color: var(--accent);
}

.disclaimer {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.9rem;
}

/* ---------- process ---------- */

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  counter-reset: step;
}

@media (max-width: 900px) {
  .process {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .process {
    grid-template-columns: 1fr;
  }
}

.step {
  counter-increment: step;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.1rem;
  background: var(--surface);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.6rem;
}

.step h4 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}

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

/* ---------- lead form ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 1.5rem + 2vw, 4rem);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.pay-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.pay-box .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pay-box code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  word-break: break-all;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
  color: var(--teal);
}

form.lead {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

form.lead label {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

form.lead input,
form.lead select,
form.lead textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.92rem;
}

form.lead input:focus-visible,
form.lead select:focus-visible,
form.lead textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

form.lead textarea {
  resize: vertical;
  min-height: 90px;
}

/* honeypot field, hidden from real users */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

form.lead .form-msg {
  font-size: 0.85rem;
  min-height: 1.2em;
}

form.lead .form-msg.ok {
  color: var(--green);
}

form.lead .form-msg.err {
  color: var(--red);
}

/* ---------- faq ---------- */

.faq {
  display: grid;
  gap: 0.75rem;
}

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  content: "+";
  color: var(--accent);
  font-family: var(--font-mono);
  margin-right: 0.7rem;
}

details[open] summary::before {
  content: "−";
}

details p {
  color: var(--text-muted);
  margin: 0.75rem 0 0.2rem;
  font-size: 0.9rem;
}

/* ---------- footer ---------- */

footer {
  padding-block: 3rem;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

footer a {
  color: var(--text-muted);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

footer a:hover {
  color: var(--text);
}