:root {
  color-scheme: dark;
  --bg: #080b10;
  --bg-soft: #10151c;
  --panel: rgba(18, 24, 32, 0.78);
  --panel-solid: #131923;
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf3f6;
  --muted: #9fb0bd;
  --subtle: #657787;
  --accent: #30d5c8;
  --accent-2: #f2b84b;
  --accent-3: #ef6f6c;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 14% 8%, rgba(48, 213, 200, 0.17), transparent 28%),
    radial-gradient(circle at 86% 16%, rgba(242, 184, 75, 0.12), transparent 24%),
    linear-gradient(135deg, #080b10 0%, #10131a 52%, #070a0f 100%);
  color: var(--text);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 92%);
}

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

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

#field-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.6;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  height: 72px;
  margin: 16px auto 0;
  padding: 0 14px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 16, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand,
.nav-links,
.hero-actions,
.signal-list,
.tag-list,
.contact-actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(48, 213, 200, 0.55);
  border-radius: 50%;
  color: var(--accent);
  font-size: 13px;
}

.nav-links {
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a,
.header-cta,
.btn,
.contact-actions a,
.site-footer a {
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-links a {
  padding: 10px 12px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.header-cta {
  padding: 11px 14px;
  border: 1px solid rgba(48, 213, 200, 0.45);
  border-radius: 999px;
  color: var(--accent);
  font-size: 14px;
}

.section-shell {
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 36px;
  align-items: center;
  min-height: calc(100vh - 88px);
  padding: 72px 0 48px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6.2vw, 82px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
}

.hero-intro {
  max-width: 690px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: var(--radius);
  font-weight: 700;
}

.btn.primary {
  color: #041014;
  background: var(--accent);
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.btn:hover,
.header-cta:hover,
.contact-actions a:hover {
  transform: translateY(-2px);
}

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
  box-shadow: var(--shadow);
}

.portrait-wrap {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--bg-soft);
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 34%;
  filter: saturate(0.9) contrast(1.05);
}

.portrait-wrap::after {
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  content: "";
  background: linear-gradient(to top, rgba(8, 11, 16, 0.94), transparent);
}

.hero-card-content {
  padding: 24px;
}

.role {
  margin-bottom: 8px;
  color: var(--accent-2);
  font-weight: 700;
}

.hero-card-content h2 {
  margin-bottom: 16px;
  font-size: 36px;
}

.signal-list {
  flex-wrap: wrap;
  gap: 8px;
}

.signal-list span,
.tag-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.045);
  font-size: 13px;
}

.signal-list span {
  padding: 8px 10px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 22px 0 86px;
}

.metrics article,
.capability-grid article,
.agri-case,
.agri-pillars section,
.project-card,
.paper-list article,
.patent-box,
.video-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 42px rgba(0, 0, 0, 0.22);
}

.metrics article {
  padding: 22px;
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 34px;
}

.metrics span,
.section-heading p,
.project-card p,
.paper-list span,
.patent-box p,
.timeline p {
  color: var(--muted);
  line-height: 1.75;
}

.split-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: start;
  padding: 32px 0 100px;
}

.section-heading {
  position: sticky;
  top: 108px;
}

.section-heading.wide {
  position: static;
  max-width: 760px;
  margin-bottom: 28px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.capability-grid article {
  min-height: 236px;
  padding: 24px;
}

.icon {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent-2);
  font-weight: 800;
}

.project-stack {
  display: grid;
  gap: 14px;
}

.agri-case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  margin-bottom: 18px;
  padding: 24px;
  border-color: rgba(48, 213, 200, 0.42);
  background:
    linear-gradient(135deg, rgba(48, 213, 200, 0.13), rgba(242, 184, 75, 0.06)),
    var(--panel);
}

.agri-copy h3 {
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.15;
}

.source-note {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.source-note span,
.agri-demo span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
}

.source-note p,
.agri-pillars p,
.agri-demo p,
.paper-list article p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.agri-visuals {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.agri-visuals figure {
  position: relative;
  min-height: 214px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.agri-visuals img {
  width: 100%;
  height: 100%;
  min-height: 214px;
  object-fit: cover;
}

.agri-visuals figure:first-child img {
  object-fit: contain;
  padding: 14px;
  background: #f5f7f8;
}

.agri-visuals figcaption {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 7px 9px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(8, 11, 16, 0.7);
  font-size: 12px;
}

.agri-pillars {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.agri-pillars section {
  padding: 16px;
}

.agri-pillars span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 800;
}

.agri-pillars h4,
.agri-demo h4 {
  margin: 0 0 10px;
  font-size: 18px;
}

.agri-demo {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(242, 184, 75, 0.26);
  border-radius: var(--radius);
  background: rgba(242, 184, 75, 0.07);
}

.demo-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: var(--radius);
  color: #041014;
  background: var(--accent);
  font-weight: 800;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 26px;
  align-items: end;
  padding: 28px;
}

.project-card.highlight {
  border-color: rgba(48, 213, 200, 0.38);
  background:
    linear-gradient(135deg, rgba(48, 213, 200, 0.16), rgba(255, 255, 255, 0.04)),
    var(--panel);
}

.project-kicker {
  margin-bottom: 10px;
  color: var(--accent-2) !important;
  font-size: 13px;
  font-weight: 800;
}

.tag-list {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 8px 10px;
}

.media-section,
.research-section,
.timeline-section {
  padding-top: 96px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.video-grid article {
  overflow: hidden;
}

.video-grid video,
.video-link-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}

.video-link-card a {
  position: relative;
  display: block;
  overflow: hidden;
}

.video-link-card span {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 9px 12px;
  border-radius: 999px;
  color: #041014;
  background: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.paper-demo-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 0 15px;
  border-radius: var(--radius);
  color: #041014;
  background: var(--accent);
  font-weight: 800;
}

.video-grid h3 {
  margin: 0;
  padding: 18px 20px 20px;
  font-size: 18px;
}

.research-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
}

.paper-list {
  display: grid;
  gap: 12px;
}

.paper-list article {
  padding: 22px;
}

.paper-list article.paper-focus {
  padding: 28px;
  border-color: rgba(48, 213, 200, 0.38);
  background:
    linear-gradient(135deg, rgba(48, 213, 200, 0.14), rgba(242, 184, 75, 0.07)),
    var(--panel);
}

.paper-list h3 {
  margin-bottom: 8px;
}

.paper-focus h3 {
  margin-bottom: 16px;
  font-size: 25px;
}

.paper-focus > p {
  max-width: 760px;
  color: var(--muted);
  line-height: 1.8;
}

.paper-insights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.paper-insights div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.paper-insights strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-2);
}

.paper-insights p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.paper-list span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.patent-box {
  align-self: start;
  padding: 24px;
}

.patent-box p {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.patent-box p:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  padding-left: 28px;
}

.timeline::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 6px;
  width: 1px;
  content: "";
  background: linear-gradient(var(--accent), rgba(255, 255, 255, 0.08));
}

.timeline article {
  position: relative;
  padding: 0 0 20px;
}

.timeline article::before {
  position: absolute;
  top: 8px;
  left: -28px;
  width: 13px;
  height: 13px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  content: "";
  background: var(--accent);
}

.timeline time {
  color: var(--accent-2);
  font-weight: 800;
  font-size: 13px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  gap: 30px;
  align-items: center;
  margin-top: 100px;
  padding: 42px;
  border: 1px solid rgba(48, 213, 200, 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(48, 213, 200, 0.14), rgba(239, 111, 108, 0.08)),
    rgba(18, 24, 32, 0.82);
}

.contact-actions {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.contact-actions a {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  word-break: break-word;
}

.site-footer {
  justify-content: space-between;
  width: min(calc(100% - 36px), var(--max));
  margin: 40px auto 0;
  padding: 28px 0 44px;
  color: var(--subtle);
}

body.reveal-ready [data-reveal] {
  transition: opacity 700ms ease, transform 700ms ease;
}

body.reveal-ready [data-reveal].is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .hero,
  .split-section,
  .agri-case,
  .project-card,
  .research-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .section-heading {
    position: static;
  }

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

  .tag-list {
    justify-content: flex-start;
  }

  .agri-pillars {
    grid-template-columns: 1fr;
  }

  .agri-demo {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-link {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .section-shell,
  .site-header,
  .site-footer {
    width: min(calc(100% - 24px), var(--max));
  }

  .brand {
    font-size: 15px;
  }

  .header-cta {
    padding: 10px 12px;
  }

  .nav-links a {
    padding: 8px 6px;
    font-size: 13px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-intro {
    font-size: 16px;
  }

  .portrait-wrap {
    height: 360px;
  }

  .metrics,
  .capability-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .contact-section {
    padding: 26px;
  }

  .media-section,
  .research-section,
  .timeline-section {
    padding-top: 70px;
  }

  .paper-insights {
    grid-template-columns: 1fr;
  }
}

@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;
  }

  #field-canvas {
    display: none;
  }
}