:root {
  --ink: #111315;
  --muted: #5d6672;
  --paper: #f7f8f4;
  --soft: #ecefe8;
  --line: rgba(17, 19, 21, 0.12);
  --dark: #07100e;
  --dark-2: #101817;
  --lime: #b9ff3d;
  --mint: #36f2b4;
  --orange: #ff8a2b;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(20, 31, 30, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 max(20px, calc((100vw - 1160px) / 2));
  color: var(--white);
  background: rgba(7, 16, 14, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #07100e;
  background: linear-gradient(135deg, var(--lime), var(--mint));
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(185, 255, 61, 0.35);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.site-nav a:hover {
  color: var(--lime);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.section {
  padding: 104px 0;
}

.section-dark {
  color: var(--white);
  background: var(--dark);
}

.section-soft {
  background: var(--soft);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 140px 0 72px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.82;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 16, 14, 0.96) 0%, rgba(7, 16, 14, 0.72) 48%, rgba(7, 16, 14, 0.38) 100%),
    linear-gradient(180deg, rgba(7, 16, 14, 0.2), var(--dark));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1160px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #07100e;
  background: var(--lime);
  box-shadow: 0 16px 40px rgba(185, 255, 61, 0.22);
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(640px, 100%);
  margin-top: 56px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-metrics div {
  padding: 22px;
  background: rgba(7, 16, 14, 0.66);
}

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

.hero-metrics strong {
  color: var(--lime);
  font-size: 28px;
  line-height: 1.1;
}

.hero-metrics span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.pain-grid {
  display: grid;
  gap: 14px;
}

.pain-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.pain-item span {
  color: var(--orange);
  font-weight: 900;
}

.pain-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading {
  max-width: 840px;
  margin: 0 0 44px;
}

.section-heading.narrow {
  max-width: 700px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

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

.service-card,
.scenario-card,
.industry-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.service-card {
  min-height: 250px;
  padding: 28px;
}

.service-card .icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 26px;
  color: var(--dark);
  background: var(--lime);
  border-radius: 8px;
  font-size: 22px;
  font-weight: 900;
}

.service-card p,
.scenario-card p,
.industry-list p,
.section-copy {
  color: var(--muted);
}

.industry-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.industry-list article {
  min-height: 180px;
  padding: 22px;
}

.industry-list h3 {
  font-size: 18px;
}

.industry-list p {
  margin-bottom: 0;
  font-size: 14px;
}

.comparison {
  position: relative;
  overflow: hidden;
}

.comparison::before {
  position: absolute;
  content: "";
  inset: 0;
  background:
    linear-gradient(110deg, rgba(185, 255, 61, 0.1), transparent 42%),
    linear-gradient(300deg, rgba(255, 138, 43, 0.12), transparent 40%);
  pointer-events: none;
}

.comparison .container {
  position: relative;
}

.comparison .section-copy {
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
}

.compare-table {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-row:last-child {
  border-bottom: 0;
}

.compare-row span,
.compare-row strong {
  padding: 20px;
}

.compare-row span {
  color: rgba(255, 255, 255, 0.58);
}

.compare-row strong {
  color: var(--lime);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-head span {
  color: var(--white);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
}

.process-track {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.process-track article {
  min-height: 156px;
  padding: 22px;
  background: var(--paper);
}

.process-track span {
  color: var(--orange);
  font-weight: 900;
}

.process-track h3 {
  margin-top: 46px;
  margin-bottom: 0;
  font-size: 18px;
}

.scenario-card {
  min-height: 260px;
  padding: 30px;
}

.scenario-card span {
  display: inline-flex;
  margin-bottom: 32px;
  color: var(--orange);
  font-weight: 900;
}

.scenario-card.featured {
  color: var(--white);
  background: var(--dark-2);
  border-color: transparent;
}

.scenario-card.featured p {
  color: rgba(255, 255, 255, 0.68);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  background: #050807;
  color: rgba(255, 255, 255, 0.68);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  min-height: 76px;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.68);
}

.footer-inner a:hover {
  color: var(--lime);
}

.footer-inner > :last-child {
  justify-self: end;
}

@media (max-width: 980px) {
  .two-column {
    grid-template-columns: 1fr;
    gap: 42px;
  }

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

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

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

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    height: 64px;
    padding: 0 14px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 64px 14px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(7, 16, 14, 0.96);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding: 118px 0 56px;
  }

  .hero-media img {
    object-position: 68% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 16, 14, 0.96) 0%, rgba(7, 16, 14, 0.86) 70%, rgba(7, 16, 14, 0.72) 100%),
      linear-gradient(180deg, rgba(7, 16, 14, 0.14), var(--dark));
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-metrics,
  .service-grid,
  .scenario-grid,
  .industry-list {
    grid-template-columns: 1fr;
  }

  .pain-item {
    grid-template-columns: 44px 1fr;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-row strong {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
    justify-content: center;
  }

  .footer-inner > :last-child {
    justify-self: start;
  }
}