:root {
  --ink: #17211f;
  --ink-soft: #51615d;
  --green: #153f3a;
  --green-2: #2f8f83;
  --teal-light: #dceee9;
  --paper: #f7f3ea;
  --paper-2: #fffaf0;
  --line: rgba(21, 63, 58, 0.16);
  --wood: #b97942;
  --coral: #c85f4a;
  --white: #ffffff;
  --shadow: 0 22px 54px rgba(15, 35, 32, 0.14);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}

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

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

button {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(247, 243, 234, 0.9);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--green);
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--green);
  color: var(--paper-2);
  font-size: 18px;
  font-weight: 800;
}

.brand-sub {
  display: block;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  min-width: 44px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--green);
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(47, 143, 131, 0.12);
  color: var(--green);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-1px);
  background: #0e302c;
  box-shadow: 0 14px 28px rgba(21, 63, 58, 0.18);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--green);
}

.button.secondary:hover {
  background: var(--teal-light);
  box-shadow: none;
}

.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: stretch;
  background: var(--green);
  color: var(--white);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 28, 26, 0.88), rgba(11, 28, 26, 0.58) 42%, rgba(11, 28, 26, 0.12) 74%),
    linear-gradient(180deg, rgba(11, 28, 26, 0.28), rgba(11, 28, 26, 0.02));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 120px 0 86px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  font-weight: 800;
}

.section-eyebrow {
  color: var(--green-2);
  font-size: 13px;
  font-weight: 900;
}

.hero h1,
.page-hero h1 {
  max-width: 760px;
  margin: 22px 0 18px;
  font-size: 56px;
  line-height: 1.08;
  font-weight: 900;
}

.hero p,
.page-hero p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.hero-actions,
.section-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero .button.secondary {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.hero .button.secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(760px, 100%);
  margin-top: 64px;
}

.proof-item {
  min-height: 118px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.proof-value {
  display: block;
  color: var(--white);
  font-size: 24px;
  font-weight: 900;
}

.proof-label {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.5;
}

.section {
  padding: 92px 0;
}

.section.compact {
  padding: 70px 0;
}

.section.alt {
  background: var(--paper-2);
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.section-head h2,
.split-copy h2,
.cta-band h2,
.page-hero h1 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.18;
  font-weight: 900;
}

.section-head p,
.split-copy p,
.cta-band p {
  max-width: 620px;
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.contact-card,
.scenario-card,
.metric-card {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 34px rgba(21, 63, 58, 0.07);
}

.feature-card {
  padding: 24px;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 8px;
  background: var(--teal-light);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.feature-card h3,
.scenario-card h3,
.contact-card h3,
.metric-card h3 {
  margin: 18px 0 10px;
  color: var(--green);
  font-size: 21px;
  line-height: 1.25;
}

.feature-card p,
.scenario-card p,
.contact-card p,
.metric-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  align-items: center;
  gap: 46px;
}

.split.reverse {
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1fr);
}

.split-media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.split-list-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.split-list-item strong {
  color: var(--green);
}

.num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step {
  position: relative;
  min-height: 180px;
  padding: 22px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.step small {
  color: var(--wood);
  font-size: 12px;
  font-weight: 900;
}

.step h3 {
  margin: 14px 0 8px;
  color: var(--green);
  font-size: 19px;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.page-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background: var(--green);
  color: var(--white);
}

.page-hero.media {
  overflow: hidden;
}

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

.page-hero.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 31, 29, 0.86), rgba(12, 31, 29, 0.46), rgba(12, 31, 29, 0.14));
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--white);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.scenario-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 220px;
  overflow: hidden;
}

.scenario-card img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.scenario-copy {
  padding: 24px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 8px;
  background: rgba(47, 143, 131, 0.1);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  padding: 24px;
  background: var(--white);
}

.metric-card strong {
  display: block;
  color: var(--green);
  font-size: 28px;
  line-height: 1.1;
}

.metric-card h3 {
  margin-top: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.contact-card {
  padding: 24px;
}

.contact-note {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 14px;
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  box-shadow: var(--shadow);
}

.cta-band h2,
.cta-band p {
  color: var(--white);
}

.cta-band p {
  opacity: 0.82;
}

.cta-band .button {
  background: var(--white);
  color: var(--green);
}

.site-footer {
  background: #0d2926;
  color: rgba(255, 255, 255, 0.78);
  padding: 42px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 28px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.footer-inner h2,
.footer-inner h3 {
  margin: 0 0 12px;
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 8px;
}

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

.copyright {
  width: min(1180px, calc(100% - 40px));
  margin: 34px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
}

@media (max-width: 1040px) {
  .hero h1,
  .page-hero h1 {
    font-size: 44px;
  }

  .feature-grid,
  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-media {
    order: 2;
  }
}

@media (max-width: 820px) {
  .nav-inner {
    width: min(100% - 28px, 1180px);
    min-height: 66px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .nav-links a {
    justify-content: center;
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    min-height: 600px;
  }

  .hero-content {
    width: min(100% - 28px, 1180px);
    padding: 92px 0 62px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 36px;
  }

  .hero p,
  .page-hero p {
    font-size: 17px;
  }

  .hero-proof,
  .scenario-grid,
  .timeline,
  .contact-grid,
  .metric-strip,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .section {
    padding: 68px 0;
  }

  .section-head {
    display: block;
  }

  .section-head h2,
  .split-copy h2,
  .cta-band h2 {
    font-size: 30px;
  }

  .scenario-card {
    grid-template-columns: 1fr;
  }

  .scenario-card img {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .cta-band,
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-sub {
    display: none;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

  .hero {
    min-height: 560px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 31px;
  }

  .hero-actions,
  .section-actions-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .proof-item,
  .feature-card,
  .scenario-copy,
  .contact-card,
  .metric-card,
  .step,
  .cta-band {
    padding: 20px;
  }
}