:root {
  --bg: #f5f3ef;
  --bg-soft: #fbfaf7;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --ink: #111318;
  --muted: #667085;
  --line: rgba(17, 19, 24, 0.1);
  --accent: #1d8f6a;
  --accent-soft: rgba(29, 143, 106, 0.14);
  --shadow: 0 30px 90px rgba(17, 19, 24, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(29, 143, 106, 0.14), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(17, 19, 24, 0.07), transparent 18%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 19, 24, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 19, 24, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 68%);
}

.page-shell {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(17, 19, 24, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1d8f6a, #0f6d92);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  font-size: 15px;
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero,
.section-grid,
.workflow,
.company {
  margin-top: 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.feature-card,
.timeline-item,
.company-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 44px;
  min-height: 540px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  right: -100px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(29, 143, 106, 0.2), transparent 68%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  max-width: 11ch;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.summary {
  margin-top: 24px;
  max-width: 34rem;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #1d8f6a, #0c6a8e);
  box-shadow: 0 18px 36px rgba(13, 101, 118, 0.24);
}

.button-secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.hero-panel {
  padding: 20px;
  display: grid;
  gap: 16px;
  align-content: end;
}

.metric-card {
  padding: 20px;
  border: 1px solid rgba(17, 19, 24, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
}

.metric-label {
  color: var(--muted);
  font-size: 13px;
}

.metric-value {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 600;
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 0 6px;
}

.logo-strip span {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.section-heading h2 {
  max-width: 13ch;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.section-heading.narrow h2 {
  max-width: 15ch;
}

.feature-grid,
.company-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.company-card {
  padding: 28px;
}

.feature-card h3,
.timeline-item h3,
.company-card h3 {
  font-size: 22px;
  line-height: 1.25;
}

.feature-card p,
.timeline-item p,
.company-card p,
.company-card li {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.workflow {
  padding-top: 8px;
}

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

.timeline-item {
  padding: 28px;
}

.timeline-index {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.company-grid {
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.8fr));
}

.company-card.large {
  background:
    linear-gradient(135deg, rgba(29, 143, 106, 0.08), transparent 55%),
    var(--surface);
}

.company-card ul {
  padding-left: 18px;
}

@media (max-width: 960px) {
  .hero,
  .feature-grid,
  .timeline,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: auto;
  }

  .section-heading h2,
  h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 24px, 1180px);
    padding-top: 12px;
  }

  .site-header,
  .hero-copy,
  .hero-panel,
  .feature-card,
  .timeline-item,
  .company-card {
    border-radius: 22px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    gap: 16px;
  }

  .hero-copy,
  .hero-panel,
  .feature-card,
  .timeline-item,
  .company-card {
    padding: 22px;
  }

  .summary,
  .feature-card p,
  .timeline-item p,
  .company-card p,
  .company-card li {
    font-size: 15px;
  }

  .button {
    width: 100%;
  }
}