@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600&family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #050505;
  --surface: #0f0f0f;
  --surface-strong: #181818;
  --surface-soft: rgba(255, 255, 255, 0.05);
  --ink: #ffffff;
  --muted: #8e8e93;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.24);
  --accent: #ffffff;
  --accent-strong: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.1);
  --success: #2e6e54;
  --shadow: none;
  --radius-xl: 4px;
  --radius-lg: 2px;
  --radius-md: 0px;
  --radius-sm: 0px;
  --container: min(1200px, calc(100vw - 3rem));
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  filter: grayscale(1) contrast(1.1);
  transition: filter var(--transition);
}

img:hover {
  filter: grayscale(0);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

main {
  overflow: clip;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
  z-index: 100;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 1.5rem 0 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 2px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-copy strong,
.footer-brand strong {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-copy span,
.footer-brand span {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link,
.footer-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 500;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active,
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--ink);
  background: var(--surface-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition:
    transform var(--transition),
    background var(--transition),
    color var(--transition);
}

.button:hover,
.button:focus-visible {
  background: var(--bg);
  color: var(--ink);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--ink);
  color: var(--bg);
}

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

.button-ghost:hover,
.button-ghost:focus-visible {
  background: var(--surface-soft);
  border-color: var(--ink);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.section {
  padding: 8rem 0;
}

.section-tight {
  padding: 4rem 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2rem;
}

.section-head > div {
  max-width: 48rem;
}

.section h1,
.section h2,
.section h3,
.section h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section h1 {
  font-size: clamp(3.5rem, 10vw, 7rem);
}

.section h2 {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.section h3 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.lead {
  max-width: 48rem;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--muted);
}

.section-intro {
  max-width: 36rem;
  color: var(--muted);
}

.hero-grid,
.split-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: center;
}

.page-hero {
  padding-top: 6rem;
}

.hero-card,
.card,
.panel,
.info-card,
.stat-card,
.timeline-step,
.form-card,
.cta-band,
.quote-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  transition: border-color var(--transition);
}

.hero-card:hover,
.card:hover,
.panel:hover,
.info-card:hover,
.stat-card:hover,
.timeline-step:hover {
  border-color: var(--line-strong);
}

.hero-card,
.panel,
.form-card,
.cta-band,
.quote-panel {
  padding: 3rem;
}

.card,
.info-card,
.stat-card,
.timeline-step {
  padding: 2rem;
}

.card p,
.info-card p,
.stat-card p,
.timeline-step p {
  color: var(--muted);
}

.hero-card {
  position: relative;
  overflow: hidden;
}

.hero-card h2,
.quote-panel h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 5vw, 2.5rem);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.card-grid,
.stat-grid,
.mini-grid,
.timeline,
.pillars-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card-grid > *,
.stat-grid > *,
.mini-grid > *,
.timeline > *,
.pillars-grid > * {
  background: var(--bg);
  border: none;
  border-radius: 0;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pillars-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card h3,
.info-card h3,
.panel h3,
.stat-card h3,
.timeline-step h3 {
  margin-bottom: 1rem;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  color: var(--ink);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.section-kicker::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--ink);
}

.pill-row,
.check-list,
.label-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.pill,
.label-list li {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.check-list {
  flex-direction: column;
  gap: 1rem;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.check-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--ink);
}

.split-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: start;
}

.quote-panel {
  position: relative;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.quote-panel blockquote {
  margin: 0 0 1.5rem;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.quote-panel p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.timeline-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 800;
  font-size: 0.8rem;
}

.stat-card strong {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.text-link {
  color: var(--ink);
  font-weight: 700;
  border-bottom: 1px solid var(--ink);
}

.text-link:hover {
  opacity: 0.7;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 4rem;
  background: var(--ink);
  color: var(--bg);
}

.cta-band .button {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--bg);
}

.cta-band .button:hover {
  background: transparent;
  color: var(--bg);
}

.contact-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: start;
}

.info-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.info-stack > * {
  background: var(--bg);
  border: none;
  border-radius: 0;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.field label {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--transition);
}

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

.field textarea {
  min-height: 12rem;
}

.form-meta {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.form-message {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--surface-soft);
  border: 1px solid var(--success);
  color: #4ade80;
}

.form-message.is-visible {
  display: block;
}

.footer {
  padding: 0 0 4rem;
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.muted {
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: none;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 420ms ease, transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0ms);
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .split-grid,
  .contact-grid,
  .card-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid > :first-child,
  .split-grid > :first-child,
  .contact-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding-top: 1rem;
  }

  .nav-wrap {
    position: relative;
    border-radius: var(--radius-xl);
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-panel {
    position: absolute;
    top: calc(100% + 1rem);
    right: 0;
    left: 0;
    z-index: 10;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 2rem;
    border: 1px solid var(--line);
    background: var(--surface);
  }

  .nav-panel.is-open {
    display: flex;
  }

  .nav-links,
  .nav-actions {
    width: 100%;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link,
  .nav-actions .button {
    width: 100%;
    justify-content: center;
  }

  .card-grid,
  .pillars-grid,
  .mini-grid,
  .field-row,
  .footer-shell,
  .timeline {
    grid-template-columns: 1fr;
  }

  .footer-shell,
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 5rem 0;
  }

  .hero-grid,
  .split-grid,
  .contact-grid,
  .card-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

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

  .brand-copy span {
    display: none;
  }

  .nav-wrap {
    padding: 1rem;
  }

  .hero-card,
  .panel,
  .form-card,
  .cta-band,
  .quote-panel {
    padding: 2rem;
  }
}

/* Progressive Disclosure Components */

.accordion-timeline {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.accordion-step {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  transition: background var(--transition);
}

.accordion-step:last-child {
  border-bottom: none;
}

.accordion-step:hover {
  background: var(--surface-soft);
}

.accordion-header {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.accordion-trigger:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 0.4rem;
}

.accordion-label {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-width: 0;
}

.accordion-title {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.accordion-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.accordion-indicator {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.accordion-indicator::before,
.accordion-indicator::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform var(--transition), opacity var(--transition);
}

.accordion-indicator::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-content {
  padding-left: 3.5rem;
  color: var(--muted);
}

.accordion-content[hidden] {
  display: none;
}

.accordion-step.is-active .accordion-content {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.accordion-step.is-active .accordion-icon {
  background: var(--ink);
  color: var(--bg);
}

.accordion-step.is-active .accordion-indicator::after {
  opacity: 0;
}

/* Multi-step Form */
.form-step {
  display: none;
  animation: fadeIn 400ms ease forwards;
}

.form-step.is-active {
  display: block;
}

.form-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.form-progress {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.progress-dot {
  flex: 1;
  height: 2px;
  background: var(--line);
  transition: background var(--transition);
}

.progress-dot.is-active {
  background: var(--ink);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .accordion-content {
    padding-left: 0;
  }
}

@media (max-width: 640px) {
  .accordion-label {
    gap: 1rem;
  }

  .accordion-trigger {
    align-items: flex-start;
  }

  .form-navigation {
    flex-direction: column;
    align-items: stretch;
  }

  .form-navigation > * {
    width: 100%;
  }
}