:root {
  --primary: #00796b;
  --primary-dark: #004d45;
  --primary-soft: #dff7f1;
  --green: #0a8f4c;
  --amber: #b96d00;
  --amber-soft: #fff2df;
  --ink: #17211f;
  --muted: #5d6b67;
  --line: #d9e4e0;
  --surface: #f5faf8;
  --surface-strong: #e8f1ed;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(12, 53, 47, 0.12);
  --radius: 8px;
  --radius-lg: 18px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 228, 224, 0.8);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, var(--max-width));
  min-height: 72px;
  margin: 0 auto;
  gap: 24px;
}

.brand,
.nav-links,
.hero-actions,
.final-actions,
.hero-metrics,
.chip-row,
.sheet-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--primary-dark);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 121, 107, 0.24);
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.nav-links {
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-cta,
.button.primary {
  color: var(--white);
  background: var(--primary);
  box-shadow: 0 12px 28px rgba(0, 121, 107, 0.22);
}

.button.secondary {
  color: var(--primary-dark);
  border: 1px solid var(--line);
  background: var(--white);
}

.button.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.12);
}

.section-band {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.8fr);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 56px 0 72px;
  gap: 58px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
}

.hero-text,
.section-heading p,
.feature-card p,
.value-card p,
.flow-step p,
.audience-grid p,
.final-cta p {
  color: var(--muted);
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  font-size: 18px;
}

.hero-actions,
.final-actions {
  flex-wrap: wrap;
  gap: 12px;
}

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

.hero-metrics div {
  min-width: 150px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  margin-bottom: 2px;
  color: var(--primary-dark);
}

.hero-metrics span {
  color: var(--muted);
  font-size: 13px;
}

.product-preview {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: min(100%, 390px);
  min-height: 670px;
  overflow: hidden;
  border: 10px solid #102421;
  border-radius: 34px;
  background: #eef5f2;
  box-shadow: var(--shadow);
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 18px 12px;
  color: var(--primary-dark);
  font-weight: 800;
}

.app-topbar button {
  height: 32px;
  padding: 0 12px;
  color: var(--white);
  border: 0;
  border-radius: 999px;
  background: var(--primary);
}

.search-pill {
  margin: 0 18px 14px;
  padding: 12px 14px;
  color: #7b8985;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 13px;
}

.map-panel {
  position: relative;
  height: 360px;
  margin: 0 14px;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(0, 121, 107, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 121, 107, 0.08) 1px, transparent 1px),
    linear-gradient(145deg, #e2f1ec, #f9fbf8 50%, #e7f4ee);
  background-size: 42px 42px, 42px 42px, 100% 100%;
}

.route {
  position: absolute;
  height: 68px;
  border: 7px solid rgba(0, 121, 107, 0.18);
  border-right: 0;
  border-bottom: 0;
  border-radius: 36px 0 0 0;
}

.route-one {
  width: 210px;
  left: 46px;
  top: 86px;
  transform: rotate(-16deg);
}

.route-two {
  width: 180px;
  right: 26px;
  bottom: 78px;
  transform: rotate(148deg);
}

.map-pin {
  position: absolute;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  border: 4px solid var(--white);
  border-radius: 50% 50% 50% 10px;
  background: var(--primary);
  box-shadow: 0 12px 24px rgba(0, 77, 69, 0.2);
  font-size: 14px;
  font-weight: 800;
  transform: rotate(-45deg);
}

.map-pin span {
  transform: rotate(45deg);
}

.pin-a {
  left: 58%;
  top: 28%;
}

.pin-b {
  left: 22%;
  top: 54%;
  background: var(--green);
}

.pin-c {
  left: 70%;
  top: 64%;
  background: var(--amber);
}

.location-dot {
  position: absolute;
  left: 48%;
  top: 50%;
  width: 18px;
  height: 18px;
  border: 4px solid var(--white);
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 0 14px rgba(37, 99, 235, 0.14);
}

.customer-sheet {
  position: absolute;
  right: 14px;
  bottom: 16px;
  left: 14px;
  padding: 12px 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 -10px 36px rgba(23, 33, 31, 0.14);
}

.sheet-handle {
  width: 36px;
  height: 4px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: #c5d2ce;
}

.sheet-row {
  justify-content: space-between;
  gap: 12px;
}

.sheet-title {
  margin-bottom: 2px;
  color: var(--ink);
  font-weight: 800;
}

.sheet-meta {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.sheet-badge {
  padding: 7px 12px;
  color: var(--white);
  border-radius: 999px;
  background: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.chip-row {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip-row span {
  padding: 7px 10px;
  color: var(--primary-dark);
  border-radius: 999px;
  background: var(--primary-soft);
  font-size: 12px;
  font-weight: 700;
}

.section {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 84px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.value-grid,
.feature-grid,
.audience-grid,
.roadmap {
  display: grid;
  gap: 18px;
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.audience-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-card,
.feature-card,
.audience-grid article,
.roadmap-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(12, 53, 47, 0.06);
}

.value-card {
  padding: 26px;
}

.feature-card,
.audience-grid article {
  padding: 24px;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: var(--primary-dark);
  border-radius: var(--radius);
  background: var(--primary-soft);
  font-weight: 900;
}

.feature-section,
.audience-section {
  border-top: 1px solid rgba(217, 228, 224, 0.72);
}

.flow-section {
  width: 100%;
  max-width: none;
  padding: 86px max(20px, calc((100vw - var(--max-width)) / 2));
  background: #102421;
}

.flow-section .section-heading h2,
.flow-section .section-heading p {
  color: var(--white);
}

.flow-section .eyebrow {
  color: #7ce0d0;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.flow-step {
  position: relative;
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.flow-step span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 28px;
  color: var(--primary-dark);
  border-radius: 50%;
  background: #7ce0d0;
  font-weight: 900;
}

.flow-step h3 {
  color: var(--white);
}

.flow-step p {
  color: #c8d7d3;
}

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

.roadmap-card {
  padding: 30px;
}

.roadmap-card.active {
  border-color: rgba(0, 121, 107, 0.35);
  background: linear-gradient(180deg, #ffffff, #eefaf6);
}

.phase {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 12px;
  color: var(--amber);
  border-radius: 999px;
  background: var(--amber-soft);
  font-size: 13px;
  font-weight: 800;
}

.roadmap-card ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.roadmap-card li + li {
  margin-top: 8px;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, var(--max-width));
  margin: 26px auto 0;
  padding: 44px;
  gap: 28px;
  color: var(--white);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(124, 224, 208, 0.14), transparent 40%),
    linear-gradient(135deg, #004d45, #102421);
}

.final-cta h2 {
  margin-bottom: 12px;
}

.final-cta p {
  max-width: 680px;
  margin-bottom: 0;
  color: #d6e6e2;
}

.final-cta .eyebrow {
  color: #7ce0d0;
}

.contact-card {
  min-width: 292px;
  padding: 4px 0;
}

.contact-card .contact-label {
  margin-bottom: 14px;
  color: #7ce0d0;
  font-size: 12px;
  font-weight: 800;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  color: #edf8f5;
  font-size: 15px;
  font-weight: 600;
}

.contact-row + .contact-row {
  margin-top: 8px;
}

.contact-row-muted {
  color: #c8d7d3;
  font-size: 14px;
  font-weight: 500;
}

.contact-row:hover {
  color: var(--white);
}

.contact-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(124, 224, 208, 0.22);
  border-radius: 50%;
  background: rgba(124, 224, 208, 0.08);
}

.contact-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 32px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 44px;
  }

  .product-preview {
    justify-content: flex-start;
  }

  .value-grid,
  .feature-grid,
  .audience-grid,
  .flow-list,
  .roadmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .section-band,
  .section,
  .final-cta,
  .site-footer {
    width: min(100% - 28px, var(--max-width));
  }

  .nav-shell {
    min-height: 64px;
  }

  .brand {
    font-size: 16px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  .hero {
    gap: 36px;
    padding: 36px 0 54px;
  }

  h1 {
    font-size: 42px;
  }

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

  .hero-actions .button,
  .final-actions .button {
    width: 100%;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: 1fr;
  }

  .product-preview {
    justify-content: center;
  }

  .phone-frame {
    min-height: 610px;
    border-width: 8px;
    border-radius: 28px;
  }

  .map-panel {
    height: 320px;
  }

  .section {
    padding: 58px 0;
  }

  .value-grid,
  .feature-grid,
  .audience-grid,
  .flow-list,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .flow-section {
    padding: 64px 14px;
  }

  .flow-step {
    min-height: auto;
  }

  .final-cta {
    padding: 30px 22px;
    border-radius: 14px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}