/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --paper: #F5F4F1;
  --paper-dim: #ECEAE4;
  --ink: #14151A;
  --ink-soft: #5A5C68;
  --panel-dark: #101114;
  --panel-dark-2: #17181D;
  --brand: #4B3DF0;
  --brand-ink: #EDEBFF;
  --signal: #C6FF5C;
  --line: #E2E0DA;
  --line-dark: #2B2C33;
  --danger: #E5484D;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1180px;
  --radius: 10px;
  --radius-sm: 6px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 1px;
  display: inline-block;
}
.eyebrow--light { color: rgba(245,244,241,0.6); }
.eyebrow--light::before { background: var(--signal); }

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.btn--primary:hover { background: var(--brand); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--on-dark {
  background: var(--signal);
  color: var(--panel-dark);
}
.btn--on-dark:hover { background: #d8ff85; }

.btn--ghost-dark {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-dark);
}
.btn--ghost-dark:hover { border-color: var(--paper); }

.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* ============================================================
   Nav
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(245, 244, 241, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.wordmark .mark {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.wordmark .mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand) 45%, var(--signal) 100%);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.nav-links a { color: var(--ink-soft); transition: color 0.15s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 168px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 10%, transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 18px 0 22px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 62%, var(--signal) 62%);
}
.hero p.lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 18px;
  max-width: 480px;
}
.hero-meta li { display: flex; align-items: center; gap: 7px; }
.hero-meta li::before { content: "▸"; color: var(--brand); }

/* --- Signature element: the service switcher "console" --- */
.console {
  background: var(--panel-dark);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(16,17,20,0.45);
  border: 1px solid var(--line-dark);
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-dark);
}
.console-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: #3a3b42;
}
.console-bar .path {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245,244,241,0.45);
}
.console-tabs {
  display: flex;
  gap: 2px;
  padding: 10px 12px 0;
}
.console-tab {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: rgba(245,244,241,0.5);
  background: transparent;
  border: none;
  padding: 10px 14px;
  border-radius: 6px 6px 0 0;
  position: relative;
  transition: color 0.15s var(--ease);
}
.console-tab:hover { color: rgba(245,244,241,0.85); }
.console-tab[aria-selected="true"] {
  color: var(--paper);
  background: var(--panel-dark-2);
}
.console-tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: -1px; height: 2px;
  background: var(--signal);
}
.console-body {
  background: var(--panel-dark-2);
  padding: 26px 24px 28px;
  min-height: 250px;
}
.console-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 20px;
  border: 1px solid var(--line-dark);
  color: rgba(245,244,241,0.7);
  margin-bottom: 16px;
}
.console-status.is-live::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--signal); }
.console-status.is-soon::before { content:""; width:6px; height:6px; border-radius:50%; background: #6b6d76; }
.console-title {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 22px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.console-desc {
  color: rgba(245,244,241,0.62);
  font-size: 14.5px;
  max-width: 44ch;
  margin-bottom: 20px;
}
.console-list {
  display: grid;
  gap: 9px;
}
.console-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(245,244,241,0.78);
  display: flex;
  gap: 10px;
}
.console-list li::before { content: "→"; color: var(--signal); flex-shrink: 0; }
.console-caret {
  display: inline-block;
  width: 8px; height: 16px;
  background: var(--signal);
  margin-left: 3px;
  animation: blink 1.1s steps(1) infinite;
  vertical-align: -3px;
}
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 128px; }
}

/* ============================================================
   Section scaffolding
   ============================================================ */
.section { padding: 108px 0; }
.section-dark { background: var(--panel-dark); color: var(--paper); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.015em;
  margin-top: 14px;
  max-width: 18ch;
}
.section-head .desc {
  max-width: 38ch;
  color: var(--ink-soft);
  font-size: 15.5px;
  padding-bottom: 4px;
}
.section-dark .section-head .desc { color: rgba(245,244,241,0.6); }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .console-caret { animation: none; }
}

/* ============================================================
   Services — module cards
   ============================================================ */
.modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.module {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.module:hover { border-color: var(--ink); transform: translateY(-3px); }
.module-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-dim);
}
.module-bar span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.module-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.module-tag.is-live { border-color: transparent; background: var(--ink); color: var(--paper); }
.module-body { padding: 26px 22px 28px; }
.module-icon {
  width: 40px; height: 40px;
  border-radius: 9px;
  background: var(--brand-ink);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.module-icon svg { width: 20px; height: 20px; }
.module h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.module p { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 18px; }
.module-caps { display: grid; gap: 8px; }
.module-caps li {
  font-size: 13.5px;
  color: var(--ink);
  display: flex; gap: 9px; align-items: flex-start;
}
.module-caps li::before { content: "+"; color: var(--brand); font-weight: 700; }

@media (max-width: 940px) {
  .modules { grid-template-columns: 1fr; }
}

/* ============================================================
   Process
   ============================================================ */
.process-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.process-item {
  display: grid;
  grid-template-columns: 90px 1fr 1.3fr;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.process-item .idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
}
.process-item h4 {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.process-item p { color: var(--ink-soft); font-size: 14.5px; }

@media (max-width: 760px) {
  .process-item { grid-template-columns: 1fr; gap: 6px; }
}

/* ============================================================
   Principles / why us
   ============================================================ */
.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}
.principle {
  background: var(--panel-dark);
  padding: 30px 24px;
}
.principle .num {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 12.5px;
  margin-bottom: 30px;
  display: block;
}
.principle h4 {
  font-family: var(--font-display);
  font-size: 17px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.principle p { color: rgba(245,244,241,0.6); font-size: 13.5px; }

@media (max-width: 940px) {
  .principles { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .principles { grid-template-columns: 1fr; }
}

/* ============================================================
   Contact / request form
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: -0.015em;
  margin: 14px 0 18px;
  max-width: 16ch;
}
.contact-info p { color: rgba(245,244,241,0.62); font-size: 15px; max-width: 40ch; margin-bottom: 30px; }
.contact-detail { border-top: 1px solid var(--line-dark); padding: 16px 0; }
.contact-detail dt { font-family: var(--font-mono); font-size: 11.5px; color: rgba(245,244,241,0.45); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.contact-detail dd { margin: 0; font-size: 15px; }

.form-panel {
  background: var(--panel-dark-2);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  padding: 32px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(245,244,241,0.5);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--panel-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14.5px;
  transition: border-color 0.15s var(--ease);
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--signal); }
.field input::placeholder, .field textarea::placeholder { color: rgba(245,244,241,0.28); }
.field-error {
  color: #ff8a8f;
  font-size: 12.5px;
  margin-top: 6px;
  display: none;
  font-family: var(--font-mono);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }
.field-hp { position: absolute; left: -9999px; opacity: 0; height: 0; }

.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 6px;
}
.form-note { font-size: 12.5px; color: rgba(245,244,241,0.45); max-width: 30ch; }
.form-status {
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: var(--font-mono);
  display: none;
}
.form-status.is-success { display: block; background: rgba(198,255,92,0.1); border: 1px solid rgba(198,255,92,0.35); color: var(--signal); }
.form-status.is-error { display: block; background: rgba(229,72,77,0.1); border: 1px solid rgba(229,72,77,0.35); color: #ff8a8f; }

@media (max-width: 940px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--panel-dark);
  color: rgba(245,244,241,0.55);
  border-top: 1px solid var(--line-dark);
  padding: 40px 0;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
}
.footer-row .wordmark { color: var(--paper); }
.footer-links { display: flex; gap: 22px; font-family: var(--font-mono); font-size: 12.5px; }
.footer-links a:hover { color: var(--paper); }

/* ============================================================
   404
   ============================================================ */
.notfound {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
  padding: 40px;
}
.notfound .code { font-family: var(--font-mono); color: var(--brand); }
.notfound h1 { font-family: var(--font-display); font-size: 32px; }