/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  --color-bg: oklch(16% 0.012 260);
  --color-bg-raised: oklch(20% 0.014 260);
  --color-surface: oklch(23% 0.016 260);
  --color-border: oklch(32% 0.02 260);
  --color-text: oklch(94% 0.01 95);
  --color-text-dim: oklch(72% 0.015 95);
  --color-accent: oklch(84% 0.19 128);       /* signal-lime: workflow "go" */
  --color-accent-dim: oklch(84% 0.19 128 / 0.16);
  --color-warn: oklch(78% 0.16 55);          /* amber: pipeline stage marker */

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --text-hero: clamp(2.6rem, 1.8rem + 3.4vw, 5rem);
  --text-h2: clamp(1.8rem, 1.5rem + 1.3vw, 2.75rem);
  --text-h3: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-small: 0.875rem;

  --space-section: clamp(4rem, 3rem + 4vw, 8rem);
  --space-lg: clamp(2rem, 1.6rem + 1.6vw, 3.5rem);
  --space-md: 1.5rem;
  --space-sm: 0.75rem;

  --radius: 4px;
  --duration-fast: 150ms;
  --duration-normal: 320ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1120px;
}

@media (prefers-color-scheme: light) {
  /* Product is intentionally dark-mode-only: it reads as an "ops console",
     matching the automation/workflow subject matter. */
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-bg);
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 640px) {
  body { background-size: 32px 32px; }
}

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

a { color: inherit; }

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 1rem + 2vw, 2.5rem);
}

section { padding-block: var(--space-section); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

p { margin: 0 0 1em; color: var(--color-text-dim); max-width: 62ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 1em;
}

.eyebrow::before {
  content: "";
  width: 0.5em;
  height: 0.5em;
  background: var(--color-accent);
  border-radius: 1px;
  display: inline-block;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 1rem + 2vw, 2.5rem);
  background: oklch(16% 0.012 260 / 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo .dot {
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.site-header nav {
  display: flex;
  gap: clamp(1rem, 0.5rem + 1.5vw, 2rem);
  font-size: var(--text-small);
}

.site-header nav a {
  text-decoration: none;
  color: var(--color-text-dim);
  transition: color var(--duration-fast) ease;
}
.site-header nav a:hover,
.site-header nav a:focus-visible { color: var(--color-text); }

/* hide nav links on very small screens; CTA remains */
@media (max-width: 560px) {
  .site-header nav .nav-links { display: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              background var(--duration-fast) ease,
              border-color var(--duration-fast) ease;
}

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

.btn-primary {
  background: var(--color-accent);
  color: oklch(18% 0.02 260);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: oklch(88% 0.19 128);
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-block: clamp(3.5rem, 3rem + 3vw, 6rem) var(--space-section);
  display: grid;
  gap: var(--space-lg);
}

.hero h1 {
  font-size: var(--text-hero);
  max-width: 16ch;
}

.hero .lede {
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  max-width: 52ch;
  color: var(--color-text-dim);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-dim);
}

.hero-meta strong { color: var(--color-text); font-weight: 600; }

/* Pipeline strip visual under hero */
.pipeline-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.pipeline-strip .stage {
  background: var(--color-bg-raised);
  padding: 1rem 1.1rem;
  position: relative;
}

.pipeline-strip .stage .n {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.pipeline-strip .stage .label {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-top: 0.35rem;
}

/* ==========================================================================
   Section framing
   ========================================================================== */
.section-head {
  max-width: 60ch;
  margin-bottom: var(--space-lg);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* ==========================================================================
   Pain / bento grid
   ========================================================================== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.pain-card {
  background: var(--color-bg);
  padding: var(--space-md);
}

.pain-card q {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-text);
  quotes: none;
  margin-bottom: 0.75rem;
}

.pain-card cite {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-dim);
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  align-items: stretch;
}

.plan {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan.is-flagship {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 24px 48px -24px var(--color-accent-dim);
  transform: translateY(-8px);
}

@media (max-width: 720px) {
  .plan.is-flagship { transform: none; }
}

.plan .badge {
  position: absolute;
  top: -0.7em;
  left: var(--space-md);
  background: var(--color-accent);
  color: oklch(18% 0.02 260);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border-radius: 2px;
}

.plan h3 { margin-bottom: 0.2em; }

.plan .price {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--color-text);
  margin: 0.3em 0;
}

.plan .price span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

.plan .turnaround {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.plan ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  flex-grow: 1;
}

.plan li {
  padding-left: 1.4em;
  position: relative;
  margin-bottom: 0.6em;
  font-size: 0.95rem;
  color: var(--color-text-dim);
}

.plan li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Process steps
   ========================================================================== */
.process {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.process .step {
  border-top: 2px solid var(--color-border);
  padding-top: 1rem;
  position: relative;
}

.process .step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.6rem;
}

/* ==========================================================================
   Case study preview card
   ========================================================================== */
.case-preview {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}

@media (max-width: 780px) {
  .case-preview { grid-template-columns: 1fr; }
}

.case-preview .stat-row {
  display: flex;
  gap: var(--space-lg);
  margin-top: 1rem;
}

.case-preview .stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--color-accent);
}

.case-preview .stat span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 1.4rem;
  transition: transform var(--duration-normal) var(--ease-out-expo);
  flex-shrink: 0;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p { margin-top: 0.9rem; }

/* ==========================================================================
   Enquiry form
   ========================================================================== */
.enquiry {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr 1.3fr;
}

@media (max-width: 820px) {
  .enquiry { grid-template-columns: 1fr; }
}

.enquiry-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.field input,
.field select,
.field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75em 0.9em;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--duration-fast) ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; }
}

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  min-height: 1.4em;
}

.form-status[data-state="ok"] { color: var(--color-accent); }
.form-status[data-state="error"] { color: var(--color-warn); }

.payment-note {
  font-size: var(--text-small);
  border-left: 2px solid var(--color-accent);
  padding-left: 1rem;
}

.payment-note code {
  font-family: var(--font-mono);
  background: var(--color-bg-raised);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

.pay-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 560px) {
  .pay-methods { grid-template-columns: 1fr; }
}

.pay-method {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.pay-method h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin: 0;
}

.pay-method p { margin: 0; font-size: 0.9rem; }

.pay-address {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  word-break: break-all;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.5em 0.6em;
  color: var(--color-accent);
}

.pay-hint {
  font-size: 0.78rem !important;
  color: var(--color-text-dim);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-lg);
  font-size: var(--text-small);
  color: var(--color-text-dim);
}

footer.site-footer .wrap {
  display: grid;
  gap: 1rem;
}

footer.site-footer address { font-style: normal; }

footer a { color: var(--color-text-dim); text-decoration: underline; text-underline-offset: 2px; }
footer a:hover { color: var(--color-accent); }