:root {
  --bg: #030503;
  --bg-2: #071007;
  --panel: rgba(9, 17, 12, 0.72);
  --panel-strong: rgba(15, 28, 20, 0.9);
  --line: rgba(164, 255, 181, 0.28);
  --line-strong: rgba(220, 255, 226, 0.86);
  --text: #f7fff8;
  --muted: #aeb9b0;
  --dim: #718078;
  --green: #35ee7b;
  --green-2: #9cf36b;
  --green-3: #1bbf62;
  --shadow: 0 24px 80px rgba(29, 238, 107, 0.16);
  --radius: 28px;
  --radius-sm: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 5%, rgba(50, 237, 129, 0.22), transparent 28rem),
    radial-gradient(circle at 92% 12%, rgba(123, 231, 83, 0.12), transparent 26rem),
    linear-gradient(180deg, #020302 0%, #050805 45%, #030403 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background-image:
    linear-gradient(rgba(85, 255, 137, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 255, 137, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 25%, black, transparent 72%);
}
.site-bg::before,
.site-bg::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(85, 255, 137, 0.25);
  border-radius: 50%;
}
.site-bg::before { left: -190px; top: 220px; }
.site-bg::after { right: -210px; bottom: 120px; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(3, 5, 3, 0.72);
  border-bottom: 1px solid rgba(143, 255, 169, 0.13);
}
.nav-wrap {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(53, 238, 123, 0.18), rgba(156, 243, 107, 0.08));
  border: 1px solid rgba(118, 255, 151, 0.35);
  box-shadow: 0 0 30px rgba(53, 238, 123, 0.25);
}
.brand-mark svg { width: 30px; height: 30px; fill: url(#brandGradient); fill: var(--green); }
.brand strong { display: block; font-size: 20px; letter-spacing: .06em; }
.brand em { display: block; color: var(--green); font-style: normal; font-size: 12px; letter-spacing: .18em; margin-top: -2px; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid rgba(143, 255, 169, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.site-nav a {
  color: #d9e5dc;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  transition: .2s ease;
}
.site-nav a:hover { color: #071007; background: linear-gradient(135deg, var(--green), var(--green-2)); }
.nav-toggle { display: none; }

.section { padding: 105px 0; position: relative; }
.section-hero { padding: 86px 0 88px; min-height: calc(100vh - 74px); display: flex; align-items: center; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: 54px;
}
.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 13px;
}
.eyebrow span,
.section-kicker::before {
  content: "";
  width: 34px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--green-2));
  box-shadow: 0 0 18px rgba(53, 238, 123, .6);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 20px 0 22px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.03;
  letter-spacing: -.055em;
  text-shadow: 0 12px 34px rgba(255,255,255,.08);
}
h2 {
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.13;
  letter-spacing: -.045em;
  margin-bottom: 18px;
}
h3 { line-height: 1.35; }
.gradient-text {
  display: block;
  color: transparent;
  background: linear-gradient(135deg, var(--green) 0%, #d6ffad 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-lead {
  color: #d8e2d9;
  font-size: 20px;
  max-width: 740px;
  margin-bottom: 32px;
}
.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .04em;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #061006;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  box-shadow: 0 16px 42px rgba(53, 238, 123, .32);
}
.btn-ghost {
  border: 1px solid rgba(220, 255, 226, .38);
  color: #f1fff3;
  background: rgba(255,255,255,.035);
}
.btn-ghost:hover { border-color: var(--green); box-shadow: 0 0 24px rgba(53, 238, 123, .18); }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.hero-tags span {
  color: #dff7e4;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(143, 255, 169, .22);
  background: rgba(17, 33, 22, .62);
}

.hero-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.robot-card {
  width: min(430px, 100%);
  position: relative;
  padding: 30px;
  border: 1px solid rgba(221, 255, 229, .25);
  border-radius: 42px;
  background: linear-gradient(160deg, rgba(18, 40, 26, .72), rgba(3, 5, 3, .82));
  box-shadow: var(--shadow), inset 0 0 40px rgba(53, 238, 123, .09);
}
.robot-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(53, 238, 123, .8), rgba(255,255,255,.08), rgba(156,243,107,.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.robot-card img {
  width: 100%;
  border-radius: 28px;
  mix-blend-mode: screen;
}
.floating-chip {
  position: absolute;
  padding: 9px 14px;
  border-radius: 999px;
  color: #071007;
  font-weight: 900;
  font-size: 13px;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  box-shadow: 0 12px 30px rgba(53, 238, 123, .32);
  white-space: nowrap;
}
.chip-a { top: 28px; right: -24px; }
.chip-b { left: -24px; top: 46%; }
.chip-c { right: 30px; bottom: -18px; }
.signal-card {
  position: absolute;
  right: 0;
  bottom: 16px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(4, 8, 5, .74);
  border: 1px solid rgba(210,255,220,.25);
  backdrop-filter: blur(18px);
}
.signal-card div { display: flex; align-items: baseline; gap: 10px; }
.signal-card strong { color: var(--green); font-size: 28px; line-height: 1; }
.signal-card span { color: #d7e4d9; font-size: 13px; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-1 { width: 230px; height: 230px; left: 20px; top: 40px; background: radial-gradient(circle, rgba(53,238,123,.18), transparent 67%); }
.orb-2 { width: 340px; height: 340px; right: -80px; bottom: 0; background: radial-gradient(circle, rgba(156,243,107,.14), transparent 70%); }

.section-head { max-width: 780px; margin: 0 auto 44px; text-align: center; }
.section-head p { color: var(--muted); font-size: 18px; margin-bottom: 0; }
.panel,
.image-panel,
.wide-image,
.contact-card {
  position: relative;
  border: 1px solid rgba(220,255,226,.22);
  background: linear-gradient(150deg, rgba(14, 24, 17, .8), rgba(5, 8, 5, .72));
  border-radius: var(--radius);
  box-shadow: 0 26px 76px rgba(0,0,0,.32), inset 0 0 34px rgba(53,238,123,.045);
  overflow: hidden;
}
.panel::after,
.image-panel::after,
.wide-image::after,
.contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(53,238,123,.16), transparent 34%, rgba(255,255,255,.05));
}
.pain-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.pain-card { padding: 34px; }
.card-title { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.card-title h3 { margin: 0; font-size: 28px; color: var(--green); }
.icon-circle {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  color: #071007; font-weight: 900;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  box-shadow: 0 0 34px rgba(53,238,123,.28);
}
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; color: #e9f4ec; }
.check-list li { position: relative; padding-left: 34px; }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 7px;
  display: grid; place-items: center;
  font-weight: 900; font-size: 14px;
  color: #061006;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  box-shadow: 0 0 18px rgba(53,238,123,.28);
}
.check-list strong { color: var(--green); }
.check-list.compact { gap: 10px; font-size: 15px; }

.section-solution { background: linear-gradient(180deg, transparent, rgba(24, 69, 35, .08), transparent); }
.loop-wrap { position: relative; padding: 26px; border-radius: 34px; border: 1px solid rgba(143,255,169,.14); background: rgba(255,255,255,.02); }
.loop-core {
  width: 210px; height: 210px; margin: 12px auto 30px;
  display: grid; place-items: center; text-align: center;
  border-radius: 36px;
  border: 1px solid rgba(218,255,226,.75);
  background: radial-gradient(circle at center, rgba(53,238,123,.32), rgba(12,24,16,.84) 68%);
  box-shadow: 0 0 70px rgba(53,238,123,.34), inset 0 0 28px rgba(255,255,255,.07);
}
.loop-core span { color: #fff; font-weight: 900; font-size: 28px; align-self: end; }
.loop-core strong { color: #fff; font-size: 58px; line-height: .9; }
.loop-core em { color: #dfffdf; font-style: normal; font-weight: 800; align-self: start; }
.loop-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step-card {
  position: relative;
  padding: 24px;
  min-height: 178px;
  border-radius: 22px;
  border: 1px solid rgba(220,255,226,.22);
  background: rgba(5, 9, 6, .68);
}
.step-card span { color: #071007; display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--green), var(--green-2)); font-weight: 900; }
.step-card h3 { margin: 14px 0 8px; color: var(--green); font-size: 22px; }
.step-card p { margin: 0; color: #cbd8ce; }

.value-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.value-strip div {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(143,255,169,.2);
  background: rgba(14, 26, 18, .66);
}
.value-strip strong { display: block; color: var(--green); font-size: 24px; }
.value-strip span { color: #cdd9cf; font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { padding: 28px; }
.feature-no { color: var(--green); font-size: 13px; font-weight: 900; letter-spacing: .2em; }
.feature-card h3 { margin: 12px 0 10px; font-size: 22px; }
.feature-card p { margin: 0; color: var(--muted); }

.demo-grid,
.preview-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 34px; align-items: center; }
.preview-grid { grid-template-columns: .65fr 1.35fr; }
.demo-copy p,
.preview-copy p { color: var(--muted); font-size: 17px; }
.image-panel,
.wide-image { padding: 10px; }
.image-panel img,
.wide-image img { border-radius: calc(var(--radius) - 10px); width: 100%; }
.wide-image { margin-top: 28px; }

.arch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.arch-grid article {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(143,255,169,.2);
  background: rgba(7, 14, 9, .76);
}
.arch-grid h3 { margin-bottom: 10px; color: var(--green); font-size: 22px; }
.arch-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.scene-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.scene-card {
  position: relative;
  padding: 24px;
  min-height: 330px;
  border-radius: 24px;
  border: 1px solid rgba(220,255,226,.26);
  background: linear-gradient(180deg, rgba(16,31,20,.78), rgba(3,5,3,.74));
  overflow: hidden;
}
.scene-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--green), var(--green-2)); }
.scene-icon { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; color: #071007; background: linear-gradient(135deg, var(--green), var(--green-2)); font-size: 28px; font-weight: 900; }
.scene-card h3 { font-size: 23px; margin: 18px 0 10px; }
.scene-card p { color: #d6e2d7; font-size: 15px; }
.scene-card strong { color: var(--green-2); font-size: 14px; }

.metrics-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.metric-card {
  padding: 22px;
  min-height: 178px;
  border-radius: 22px;
  border: 1px solid rgba(220,255,226,.22);
  background: rgba(8, 15, 10, .78);
}
.metric-card span { color: var(--muted); font-size: 14px; }
.metric-card strong { display: block; color: var(--green); font-size: clamp(34px, 5vw, 56px); line-height: 1; margin: 16px 0 12px; letter-spacing: -.04em; }
.metric-card p { margin: 0; color: #e6efe7; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; align-items: stretch; }
.price-card {
  position: relative;
  padding: 30px;
  border-radius: 28px;
  border: 1px solid rgba(220,255,226,.22);
  background: linear-gradient(180deg, rgba(14, 28, 18, .82), rgba(4, 7, 4, .78));
}
.price-card.featured { transform: translateY(-12px); border-color: rgba(53,238,123,.76); box-shadow: var(--shadow); }
.badge { position: absolute; right: 22px; top: 22px; padding: 6px 12px; border-radius: 999px; color: #071007; font-size: 12px; font-weight: 900; background: linear-gradient(135deg, var(--green), var(--green-2)); }
.price-card h3 { font-size: 26px; margin-bottom: 10px; }
.price { color: var(--green); font-size: 42px; font-weight: 900; letter-spacing: -.03em; margin-bottom: 14px; }
.price span { font-size: 16px; color: #dce9df; margin-left: 4px; }
.price-card p { color: var(--muted); min-height: 78px; }

.timeline { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.timeline article {
  position: relative;
  padding: 22px 16px;
  border-radius: 24px;
  border: 1px solid rgba(220,255,226,.24);
  background: rgba(7, 13, 8, .76);
}
.timeline article:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -11px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--green);
}
.timeline span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: #071007; font-weight: 900; background: linear-gradient(135deg, var(--green), var(--green-2)); }
.timeline h3 { color: var(--green); margin: 16px 0 8px; font-size: 21px; }
.timeline p { color: var(--muted); margin: 0; font-size: 14px; }

.contact-section { padding-bottom: 80px; }
.contact-card {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 40px;
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  background:
    radial-gradient(circle at 92% 18%, rgba(53,238,123,.2), transparent 18rem),
    linear-gradient(135deg, rgba(20, 42, 26, .86), rgba(5, 8, 5, .8));
}
.contact-copy h2 { max-width: 820px; }
.contact-copy p { color: var(--muted); font-size: 17px; }
.company { margin: 24px 0 0; color: #fff !important; font-weight: 800; letter-spacing: .08em; }
.qr-box {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 12px;
  padding: 18px;
  border-radius: 28px;
  background: #fff;
  color: #071007;
  box-shadow: 0 22px 55px rgba(0,0,0,.35);
}
.qr-box img { width: 190px; height: 190px; object-fit: contain; }
.qr-box span { font-weight: 900; font-size: 14px; }

.site-footer { border-top: 1px solid rgba(143, 255, 169, .12); padding: 28px 0; color: var(--dim); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--green); }

.reveal { opacity: 1; transform: none; }
.has-js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.has-js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .hero-grid, .demo-grid, .preview-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 480px; }
  .feature-grid, .loop-grid, .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline article:not(:last-child)::after { display: none; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .nav-toggle {
    display: inline-grid;
    gap: 6px;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(143,255,169,.24);
    background: rgba(255,255,255,.03);
    border-radius: 14px;
  }
  .nav-toggle span { display: block; width: 19px; height: 2px; background: var(--green); border-radius: 99px; }
  .site-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 84px;
    display: none;
    flex-direction: column;
    border-radius: 24px;
    padding: 12px;
    background: rgba(4, 8, 5, .94);
    box-shadow: 0 30px 80px rgba(0,0,0,.45);
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav a { width: 100%; text-align: center; }
  .section { padding: 76px 0; }
  .section-hero { padding-top: 58px; }
  h1 { font-size: clamp(42px, 14vw, 64px); }
  h2 { font-size: clamp(30px, 10vw, 44px); }
  .hero-lead { font-size: 17px; }
  .hero-visual { min-height: 400px; }
  .robot-card { width: min(330px, 92%); padding: 18px; border-radius: 30px; }
  .floating-chip { font-size: 12px; }
  .chip-a { right: -10px; }
  .chip-b { left: -8px; }
  .signal-card { position: relative; right: auto; bottom: auto; width: 100%; margin-top: -8px; grid-template-columns: repeat(3, 1fr); }
  .signal-card div { display: block; text-align: center; }
  .pain-grid, .feature-grid, .loop-grid, .pricing-grid, .arch-grid, .scene-grid, .metrics-grid, .timeline, .value-strip, .contact-card { grid-template-columns: 1fr; }
  .contact-card { text-align: left; }
  .qr-box { width: min(260px, 100%); margin: 0 auto; }
  .price-card.featured { transform: none; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .has-js .reveal, .reveal { opacity: 1; transform: none; }
}