/* Akai Tek Labs — dark terminal / lab aesthetic */

:root {
  --bg: #0a0b0c;
  --bg-elevated: #111214;
  --surface: #15171a;
  --surface-hover: #1a1d21;
  --border: #2a2e33;
  --border-strong: #3a4048;
  --text: #e8eaed;
  --text-muted: #8b939e;
  --text-dim: #5c6570;
  --cyan: #00e5c0;
  --cyan-dim: rgba(0, 229, 192, 0.12);
  --cyan-glow: rgba(0, 229, 192, 0.35);
  --amber: #f5a623;
  --amber-dim: rgba(245, 166, 35, 0.14);
  --danger: #ff5c5c;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;
  --max: 1120px;
  --radius: 2px;
  --header-h: 64px;
  --banner-h: 40px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

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

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--cyan);
  color: #000;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

/* —— Banner —— */
.reg-banner {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: var(--banner-h);
  padding: 0.5rem 1.25rem;
  background: linear-gradient(90deg, rgba(245, 166, 35, 0.12), rgba(0, 229, 192, 0.08));
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.reg-banner[hidden] {
  display: none;
}

.reg-banner strong {
  color: var(--amber);
  font-weight: 500;
}

.reg-banner .banner-text {
  text-align: center;
  max-width: 52rem;
}

.banner-dismiss {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  border-radius: var(--radius);
}

.banner-dismiss:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(10, 11, 12, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.reg-banner:not([hidden]) ~ .site-header {
  top: var(--banner-h);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.wordmark:hover {
  text-decoration: none;
  color: var(--text);
}

.wordmark .brand {
  font-weight: 600;
  font-size: 0.95rem;
}

.wordmark .brand span {
  color: var(--cyan);
}

.wordmark .badge {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--bg);
  background: var(--cyan);
  padding: 0.12rem 0.35rem;
  letter-spacing: 0.08em;
}

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

.nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--cyan);
  text-decoration: none;
}

.nav-cta {
  padding: 0.4rem 0.75rem !important;
  border: 1px solid var(--cyan);
  color: var(--cyan) !important;
  background: var(--cyan-dim);
}

.nav-cta:hover {
  background: rgba(0, 229, 192, 0.22) !important;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  border-radius: var(--radius);
}

@media (max-width: 800px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
  }

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

  .nav a {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--border);
  }

  .nav-cta {
    margin: 0.5rem 1.25rem 0.75rem;
    text-align: center;
  }
}

/* —— Layout helpers —— */
.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 1rem;
}

.section-lead {
  max-width: 38rem;
  color: var(--text-muted);
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  background: var(--surface);
}

.chip--amber {
  border-color: rgba(245, 166, 35, 0.4);
  color: var(--amber);
  background: var(--amber-dim);
}

.chip--cyan {
  border-color: rgba(0, 229, 192, 0.4);
  color: var(--cyan);
  background: var(--cyan-dim);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--cyan);
  color: #04140f;
  border-color: var(--cyan);
  font-weight: 600;
}

.btn-primary:hover {
  background: #33f0cf;
  color: #04140f;
}

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

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* —— Hero —— */
.hero {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--header-h) - 40px);
  display: flex;
  align-items: center;
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--bg);
}

.hero-media video,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media video {
  z-index: 1;
}

.hero-media img {
  z-index: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(10, 11, 12, 0.95) 0%, rgba(10, 11, 12, 0.78) 42%, rgba(10, 11, 12, 0.45) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 28%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 36rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 1.25rem;
}

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

.hero-lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0 0 2rem;
  max-width: 32rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border);
}

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

.stat-value {
  display: block;
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* —— Cards / domains —— */
.domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 900px) {
  .domain-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .domain-card:nth-child(1),
  .domain-card:nth-child(2) {
    grid-column: span 3;
  }

  .domain-card:nth-child(3),
  .domain-card:nth-child(4),
  .domain-card:nth-child(5) {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .domain-grid {
    grid-template-columns: 1fr;
  }
}

.domain-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, background 0.15s;
}

.domain-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.domain-card::before,
.domain-card::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cyan);
  opacity: 0.45;
  z-index: 2;
  pointer-events: none;
}

.domain-card::before {
  top: 6px;
  left: 6px;
  border-right: none;
  border-bottom: none;
}

.domain-card::after {
  bottom: 6px;
  right: 6px;
  border-left: none;
  border-top: none;
}

.domain-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-elevated);
}

.domain-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.domain-card:hover .domain-card-media img {
  transform: scale(1.03);
}

.domain-card-body {
  padding: 1.15rem 1.2rem 1.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.domain-index {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.domain-card h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.domain-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.domain-card .chip {
  align-self: flex-start;
}

/* —— Capabilities —— */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.cap-item {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1.25rem;
  border-radius: var(--radius);
}

.cap-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-transform: uppercase;
}

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

/* —— Pipeline —— */
.pipeline {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.pipeline-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (max-width: 700px) {
  .pipeline-track {
    grid-template-columns: 1fr;
  }
}

.pipeline-step {
  position: relative;
  padding: 1.25rem;
  border: 1px dashed var(--border-strong);
  background: var(--bg);
  min-height: 120px;
}

.pipeline-step .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.pipeline-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 500;
}

.pipeline-step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* —— POS product —— */
.pos-block {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 860px) {
  .pos-block {
    grid-template-columns: 1fr;
  }
}

.pos-visual {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.pos-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.pos-visual-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.5rem;
  background: rgba(10, 11, 12, 0.85);
  border: 1px solid var(--border);
  color: var(--cyan);
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.pos-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  margin-top: 1rem;
}

.pos-verticals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

@media (max-width: 700px) {
  .pos-verticals {
    grid-template-columns: 1fr;
  }
}

.pos-vertical {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, background 0.15s;
}

.pos-vertical:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.pos-vertical-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-elevated);
  position: relative;
}

.pos-vertical-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.pos-vertical:hover .pos-vertical-media img {
  transform: scale(1.03);
}

.pos-vertical-body {
  padding: 1.15rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}

.pos-vertical-body h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.pos-vertical-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  flex: 1;
}

.pos-vertical-body ul {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.pos-vertical-body li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pos-vertical-body li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .pos-vertical:hover .pos-vertical-media img {
    transform: none;
  }
}

/* —— Approach —— */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 700px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

.approach-card {
  border-left: 2px solid var(--cyan);
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.35rem;
}

.approach-card .step {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.approach-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 500;
}

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

/* —— About —— */
.about-panel {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg-elevated) 100%);
  padding: 2rem;
  border-radius: var(--radius);
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 760px) {
  .about-panel {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.about-panel p {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.about-panel p:last-child {
  margin-bottom: 0;
}

.meta-table {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--border);
  background: var(--bg);
}

.meta-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  border-bottom: 1px solid var(--border);
}

.meta-row:last-child {
  border-bottom: none;
}

.meta-row dt,
.meta-row dd {
  margin: 0;
  padding: 0.65rem 0.75rem;
}

.meta-row dt {
  color: var(--text-dim);
  border-right: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
}

.meta-row dd {
  color: var(--text);
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
  background: var(--bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.footer-brand span {
  color: var(--cyan);
}

.footer-meta {
  color: var(--text-dim);
  font-size: 0.85rem;
  max-width: 28rem;
}

.footer-meta p {
  margin: 0 0 0.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-copy {
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* —— Page variants (POS standalone) —— */
.page-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.page-hero h1 {
  margin: 0.5rem 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.page-hero .lead {
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0;
  font-size: 1.05rem;
}

.page-section {
  padding: 3.5rem 0;
}

/* —— 404 —— */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.25rem;
}

.error-page h1 {
  font-family: var(--font-mono);
  font-size: 3rem;
  color: var(--cyan);
  margin: 0 0 0.5rem;
}

.error-page p {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

/* —— Utilities —— */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.divider {
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--border) 0,
    var(--border) 6px,
    transparent 6px,
    transparent 12px
  );
  margin: 0;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .domain-card:hover .domain-card-media img {
    transform: none;
  }

  .hero-media video {
    display: none;
  }
}