:root {
  --brand: #0b6e4f;
  --brand-deep: #063d2c;
  --brand-mid: #149067;
  --brand-soft: #1a9d74;
  --accent: #c8f06a;
  --accent-ink: #1a2e12;
  --ink: #0f1c16;
  --muted: #5a6e64;
  --paper: #f2f6f3;
  --paper-2: #e4ece7;
  --line: rgba(15, 28, 22, 0.1);
  --white: #ffffff;
  --font-display: "Outfit", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding-left: 1.1em; }
.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

/* ——— Topbar ——— */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(242, 246, 243, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.topbar.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.96);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--brand);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  border-radius: 8px;
}
.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}
.top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}
.top-nav a:hover { color: var(--brand); }
.nav-cta {
  padding: 10px 18px;
  background: var(--brand);
  color: #fff !important;
  border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--brand-deep); color: #fff !important; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.25s var(--ease);
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { background: #d8f58a; }
.btn-ghost {
  background: transparent;
  color: #e8f5ef;
  border: 1px solid rgba(232, 245, 239, 0.35);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }
.btn-on-dark {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-ghost-light {
  background: transparent;
  color: #e8f5ef;
  border: 1px solid rgba(232, 245, 239, 0.35);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: flex-end;
  padding: 120px 0 88px;
  overflow: hidden;
  color: #f4faf6;
  background: linear-gradient(160deg, #063d2c 0%, #0b6e4f 48%, #0e8a62 100%);
}
.hero-plane {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background: radial-gradient(ellipse at 30% 20%, rgba(200, 240, 106, 0.28), transparent 55%),
    radial-gradient(ellipse at 80% 40%, rgba(255, 255, 255, 0.12), transparent 45%);
  animation: glowPulse 8s ease-in-out infinite;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
  animation: gridDrift 28s linear infinite;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
}
.hero-orb-a {
  width: 280px;
  height: 280px;
  right: 8%;
  bottom: 12%;
  background: radial-gradient(circle, rgba(200, 240, 106, 0.45), transparent 70%);
  animation: orbFloat 10s ease-in-out infinite;
}
.hero-orb-b {
  width: 180px;
  height: 180px;
  left: 12%;
  top: 22%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 70%);
  animation: orbFloat 12s ease-in-out infinite reverse;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero-kicker {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: rgba(200, 240, 106, 0.9);
  font-weight: 600;
}
.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.hero-lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 18px;
  color: rgba(244, 250, 246, 0.82);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

@keyframes glowPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.04); }
}
@keyframes gridDrift {
  from { transform: translateY(0); }
  to { transform: translateY(64px); }
}
@keyframes orbFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

/* ——— Hub ——— */
.hub {
  margin-top: -36px;
  position: relative;
  z-index: 2;
  padding-bottom: 24px;
}
.hub-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.hub-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(6, 61, 44, 0.08);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.hub-item:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 110, 79, 0.35);
}
.hub-label {
  font-size: 18px;
  font-weight: 700;
}
.hub-en {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brand-mid);
  font-weight: 600;
}

/* ——— Sections ——— */
.eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--brand-mid);
}
.eyebrow.light { color: rgba(200, 240, 106, 0.85); }
.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-head p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}
.section-head.light h2 { color: #f4faf6; }
.section-head.light p { color: rgba(244, 250, 246, 0.72); }

.capabilities { padding: 96px 0 40px; }
.cap {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 28px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}
.cap:last-child { border-bottom: 1px solid var(--line); }
.cap-index {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}
.cap-tag {
  margin: 0 0 8px;
  color: var(--brand-mid);
  font-weight: 700;
  font-size: 14px;
}
.cap-body h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.cap-desc {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 42em;
}
.cap-cols {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  margin-top: 28px;
}
.cap-cols h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--brand-deep);
}
.cap-cols li { margin: 6px 0; color: var(--ink); }
.cap-cols p { margin: 0; color: var(--muted); }
.cap-pillars {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  gap: 12px;
}
.cap-pillars li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--paper-2);
  border-radius: 12px;
}
.cap-pillars strong { font-size: 15px; }
.cap-pillars span { font-size: 13px; color: var(--muted); }

.work {
  padding: 96px 0;
  background: linear-gradient(165deg, #084c37, #0b6e4f 55%, #0f7d5a);
  color: #f4faf6;
}
.work-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.work-list li {
  padding: 24px 20px;
  border-top: 2px solid rgba(200, 240, 106, 0.55);
}
.work-list span {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
}
.work-list h3 {
  margin: 14px 0 10px;
  font-size: 20px;
}
.work-list p {
  margin: 0;
  color: rgba(244, 250, 246, 0.75);
  font-size: 14px;
}

.process { padding: 96px 0; }
.process-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.process-track li {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.process-track strong {
  display: block;
  font-family: var(--font-display);
  color: var(--brand);
  font-size: 14px;
  letter-spacing: 0.08em;
}
.process-track em {
  display: block;
  margin: 10px 0 8px;
  font-style: normal;
  font-weight: 800;
  font-size: 18px;
}
.process-track p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cases { padding: 0 0 96px; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.case {
  padding: 28px 26px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.case:hover {
  border-color: rgba(11, 110, 79, 0.35);
  transform: translateY(-3px);
}
.case h3 {
  margin: 0 0 10px;
  font-size: 20px;
}
.case p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.engage {
  padding: 96px 0;
  background: var(--paper-2);
}
.engage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.engage-item {
  padding: 28px 24px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line);
}
.engage-item > span {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--brand);
  font-size: 14px;
  letter-spacing: 0.1em;
}
.engage-item h3 {
  margin: 12px 0 10px;
  font-size: 20px;
}
.engage-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.engage-pack {
  margin-top: 16px !important;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--brand-deep) !important;
  font-weight: 600;
  font-size: 13px !important;
}

.consult {
  padding: 100px 0;
  background: linear-gradient(155deg, #063d2c, #0b6e4f 60%, #117a58);
  color: #f4faf6;
  text-align: center;
}
.consult-inner { max-width: 720px; }
.consult h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.consult-lead {
  margin: 18px auto 0;
  max-width: 34em;
  color: rgba(244, 250, 246, 0.78);
}
.consult-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}
.consult-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: rgba(244, 250, 246, 0.55);
}

.footer {
  padding: 36px 0 48px;
  background: #071f17;
  color: rgba(244, 250, 246, 0.75);
}
.footer-inner {
  display: grid;
  gap: 20px;
}
.brand-footer .brand-text { color: #f4faf6; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
  margin: 0;
  font-size: 13px;
  color: rgba(244, 250, 246, 0.45);
}

/* ——— Motion ——— */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .hub-row,
  .work-list,
  .engage-grid { grid-template-columns: 1fr; }
  .process-track,
  .case-grid,
  .cap-cols { grid-template-columns: 1fr; }
  .cap { grid-template-columns: 1fr; gap: 12px; }
  .nav-toggle { display: flex; }
  .top-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
  }
  .top-nav.is-open { display: flex; }
  .top-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
  }
  .nav-cta {
    text-align: center;
    margin-top: 8px;
  }
  .hero { min-height: auto; padding: 100px 0 72px; }
}