:root {
  --bg: #060913;
  --bg-soft: #0c1223;
  --bg-panel: rgba(12, 18, 35, 0.8);
  --panel-border: rgba(125, 151, 255, 0.2);
  --text: #eef2ff;
  --muted: #aab6d9;
  --line: rgba(255, 255, 255, 0.08);
  --cyan: #39d0ff;
  --cyan-soft: rgba(57, 208, 255, 0.16);
  --violet: #bb63ff;
  --violet-soft: rgba(187, 99, 255, 0.18);
  --white-soft: rgba(255, 255, 255, 0.7);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --radius: 28px;
  --radius-sm: 18px;
  --container: min(1180px, calc(100vw - 2rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(57, 208, 255, 0.14), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(187, 99, 255, 0.16), transparent 22%),
    linear-gradient(180deg, #090d1b 0%, #060913 42%, #05070d 100%);
}

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

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

code {
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #d4f4ff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92em;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.55;
}

.page-shell::before {
  inset: 8rem auto auto -8rem;
  width: 18rem;
  height: 18rem;
  background: rgba(57, 208, 255, 0.16);
}

.page-shell::after {
  inset: auto -8rem 18rem auto;
  width: 22rem;
  height: 22rem;
  background: rgba(187, 99, 255, 0.18);
}

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

.section {
  padding: 5.5rem 0;
}

.section-band {
  position: relative;
}

.section-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  transition: background-color 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
}

.site-header .container {
  width: var(--container);
}

.site-header.is-scrolled {
  background: rgba(5, 8, 16, 0.75);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 7.2rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 1.05rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark img {
  width: 5.8rem;
  height: 5.8rem;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.55rem;
  color: var(--muted);
}

.site-nav a {
  position: relative;
  font-size: 1.06rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.nav-toggle span + span {
  margin-top: 0.35rem;
}

.hero {
  padding-top: 3rem;
}

.hero-grid,
.project-layout,
.case-study-grid,
.about-grid,
.footer-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
}

.hero-copy h1,
.section-heading h2,
.project-copy h2,
.case-study-copy h2,
.about-copy h2,
.footer-copy h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3.2rem, 7vw, 6rem);
}

.hero-lead,
.section-heading p,
.project-copy p,
.case-study-copy p,
.about-copy p,
.footer-copy p,
.signal-text,
.panel-card p,
.capability-card p,
.detail-card p,
.workflow-card p,
.about-card p {
  color: var(--muted);
  line-height: 1.7;
}

.eyebrow,
.metric-label,
.signal-label,
.panel-label {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: #7edffb;
}

.hero-actions,
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #06101c;
  box-shadow: 0 18px 40px rgba(57, 208, 255, 0.22);
}

.button-secondary {
  border: 1px solid rgba(126, 223, 251, 0.2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-metrics,
.capability-grid,
.case-study-points,
.about-panels,
.workflow-strip {
  display: grid;
  gap: 1rem;
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
}

.metric-card,
.capability-card,
.panel-card,
.detail-card,
.workflow-card,
.about-card,
.signal-card {
  padding: 1.35rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
  box-shadow: var(--shadow);
}

.metric-card strong,
.signal-title,
.panel-card h3,
.capability-card h3,
.detail-card h3,
.workflow-card h3,
.about-card h3 {
  display: block;
  font-size: 1rem;
  line-height: 1.4;
}

.hero-visual {
  position: relative;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  min-height: 30rem;
  padding: 1rem;
  border: 1px solid rgba(126, 223, 251, 0.22);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(160deg, rgba(57, 208, 255, 0.08), rgba(187, 99, 255, 0.02) 55%),
    rgba(12, 18, 35, 0.72);
  box-shadow: var(--shadow);
}

.hero-stage-glow {
  position: absolute;
  inset: auto 15% 2%;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(57, 208, 255, 0), rgba(57, 208, 255, 0.75), rgba(187, 99, 255, 0));
  filter: blur(18px);
}

.brand-video {
  height: 100%;
  min-height: 28rem;
  object-fit: cover;
  border-radius: calc(var(--radius) - 8px);
}

.signal-card {
  position: absolute;
  right: -1rem;
  bottom: -1rem;
  width: min(18rem, 85%);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2.25rem;
  position: relative;
  z-index: 1;
}

.section-heading h2,
.project-copy h2,
.case-study-copy h2,
.about-copy h2,
.footer-copy h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin-bottom: 1rem;
}

.capability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  position: relative;
  z-index: 1;
}

.project-layout {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}

.project-summary {
  font-size: 1.2rem;
  color: var(--text);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.6rem 0 1.8rem;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 0 0 1.8rem;
}

.project-tags span {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(126, 223, 251, 0.18);
  background: rgba(57, 208, 255, 0.08);
  color: #c9f5ff;
  font-size: 0.92rem;
}

.project-points {
  display: grid;
  gap: 1.25rem;
}

.project-points h3 {
  margin: 0 0 0.45rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.project-panel {
  display: grid;
  gap: 1rem;
}

.media-placeholder-card {
  overflow: hidden;
}

.video-placeholder {
  margin: 1rem 0 1rem;
  border-radius: 22px;
  border: 1px solid rgba(126, 223, 251, 0.16);
  background:
    radial-gradient(circle at 20% 20%, rgba(57, 208, 255, 0.16), transparent 30%),
    radial-gradient(circle at 80% 80%, rgba(187, 99, 255, 0.2), transparent 34%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  padding: 1rem;
}

.video-placeholder-screen {
  position: relative;
  min-height: 14rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, rgba(10, 16, 31, 0.95), rgba(16, 22, 43, 0.88)),
    #0b1020;
}

.video-placeholder-screen::before {
  content: "Rover Demo Placeholder";
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.03em;
}

.play-badge {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 14px 30px rgba(57, 208, 255, 0.18);
}

.play-badge::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 0.7rem solid transparent;
  border-bottom: 0.7rem solid transparent;
  border-left: 1rem solid #08101d;
  transform: translate(-35%, -50%);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.8rem;
  color: #7edffb;
  font-weight: 700;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(126, 223, 251, 0.18);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white-soft);
  font-weight: 700;
}

.workflow-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 2rem;
}

.workflow-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #08101d;
  font-weight: 800;
}

.workflow-card h3 {
  margin: 1rem 0 0.5rem;
}

.case-study-grid,
.module-showcase,
.module-library-grid,
.secondary-project-grid,
.about-grid,
.footer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.case-study-points,
.about-panels {
  grid-template-columns: 1fr;
}

.case-study-media-card {
  overflow: hidden;
}

.module-showcase {
  margin-top: 2rem;
}

.module-library {
  margin-top: 2rem;
}

.secondary-project-grid {
  display: grid;
  gap: 1.25rem;
}

.module-library-heading {
  margin-bottom: 1.5rem;
}

.module-library-grid {
  display: grid;
  gap: 1.25rem;
}

.module-library-grid .detail-card {
  padding: 1.55rem;
}

.module-library-grid .detail-card h3 {
  font-size: 1.22rem;
}

.module-library-grid .detail-card p {
  font-size: 1.04rem;
  line-height: 1.74;
}

.module-library-grid .case-study-video {
  margin: 1.1rem 0 1.25rem;
  border-radius: 20px;
}

.module-showcase-copy h3 {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.05;
}

.module-showcase-copy p {
  color: var(--muted);
  line-height: 1.7;
}

.module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.module-tags span {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(57, 208, 255, 0.08);
  border: 1px solid rgba(126, 223, 251, 0.16);
  color: #d6f7ff;
  font-size: 0.92rem;
}

.module-feature-list {
  display: grid;
  gap: 1rem;
}

.module-video-card {
  align-self: start;
}

.case-study-video {
  width: 100%;
  margin: 1rem 0;
  border-radius: 18px;
  border: 1px solid rgba(126, 223, 251, 0.16);
  background: #050812;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.secondary-project-card {
  max-width: 48rem;
}

.secondary-project-note {
  margin-top: 1rem;
  color: #d7e2ff;
  font-size: 0.95rem;
}

.site-footer {
  padding-top: 4.75rem;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(5, 8, 16, 0.15), rgba(5, 8, 16, 0.92)),
    url("rsc/img/acor_banner_2560x1440.png") center top / cover no-repeat;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 550ms ease, transform 550ms ease;
}

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

@media (max-width: 1024px) {
  .hero-grid,
  .project-layout,
  .case-study-grid,
  .module-showcase,
  .module-library-grid,
  .secondary-project-grid,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 13ch;
  }

  .hero-metrics,
  .capability-grid,
  .workflow-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-card {
    position: static;
    width: auto;
    margin-top: 1rem;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 4.25rem 0;
  }

  .site-header .container {
    width: min(1180px, calc(100vw - 2rem));
  }

  .nav-row {
    min-height: 5.2rem;
  }

  .brand-mark {
    gap: 0.7rem;
    font-size: 1.12rem;
  }

  .brand-mark img {
    width: 2.85rem;
    height: 2.85rem;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.15rem;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(7, 10, 19, 0.94);
    box-shadow: var(--shadow);
  }

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

  .hero-copy h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .hero-metrics,
  .capability-grid,
  .workflow-strip {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 20rem;
  }

  .brand-video {
    min-height: 18rem;
  }

  .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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