:root {
  --blue: #2563ff;
  --cyan: #06b6ff;
  --navy: #0f172a;
  --ink: #111827;
  --muted: #64748b;
  --line: #dbe5f1;
  --soft: #f1f5f9;
  --white: #f8fafc;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Poppins", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(219, 229, 241, 0.86);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand img {
  width: 190px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #1f2a44;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:last-child {
  padding: 10px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(37, 99, 255, 0.22);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 72px;
  color: #fff;
  background:
    radial-gradient(circle at 74% 24%, rgba(6, 182, 255, 0.32), transparent 30%),
    linear-gradient(135deg, #07111f 0%, #0f172a 46%, #101f3a 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 92%);
}

.hero-grid {
  position: relative;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 86px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: 0;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 32px;
  color: #cbd5e1;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 18px 38px rgba(37, 99, 255, 0.34);
}

.btn.secondary {
  color: #e2e8f0;
  border-color: rgba(226, 232, 240, 0.26);
  background: rgba(255, 255, 255, 0.07);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 0;
}

.hero-stats div {
  padding: 16px;
  border: 1px solid rgba(226, 232, 240, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-stats dt {
  margin-bottom: 4px;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 0;
  color: #94a3b8;
  font-size: 13px;
}

.hero-panel {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.14), rgba(15, 23, 42, 0.72));
  box-shadow: var(--shadow);
}

.panel-top,
.rank-card,
.flow-card {
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.74);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  padding: 16px;
  color: #cbd5e1;
}

.panel-top strong {
  color: #28e6a3;
}

.rank-card {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 16px;
  padding: 22px;
}

.rank-card p,
.rank-card span {
  margin: 0;
  color: #94a3b8;
}

.rank-card strong {
  display: block;
  color: #fff;
  font-size: 44px;
  line-height: 1.1;
}

.chart {
  height: 188px;
  margin: 22px 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 12px;
}

.chart span {
  display: block;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 10px 34px rgba(6, 182, 255, 0.28);
}

.flow-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 14px;
}

.flow-card span {
  padding: 10px 8px;
  color: #dbeafe;
  text-align: center;
  border-radius: 6px;
  background: rgba(37, 99, 255, 0.16);
  font-size: 13px;
  font-weight: 800;
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 40px;
}

.section-heading p:not(.eyebrow),
.copy-block p,
.visual-proof p,
.cta p {
  color: var(--muted);
  font-size: 18px;
}

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

.feature-grid article,
.scenario-grid article,
.steps article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
}

.feature-grid p,
.scenario-grid p,
.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.icon,
.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  color: #fff;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-weight: 900;
}

.split {
  width: 100%;
  padding: 96px max(20px, calc((100% - 1160px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 56px;
  align-items: center;
  background: #fff;
}

.check-list {
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 12px 0 12px 34px;
  color: #263247;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.insight-board {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  border-radius: 8px;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.metric {
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.metric.wide {
  grid-column: 1 / -1;
}

.metric span {
  display: block;
  color: #94a3b8;
}

.metric strong {
  color: #fff;
  font-size: 42px;
  line-height: 1.15;
}

.workflow {
  width: 100%;
  padding-right: max(20px, calc((100% - 1160px) / 2));
  padding-left: max(20px, calc((100% - 1160px) / 2));
  background: var(--soft);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

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

.ai-tools {
  width: 100%;
  padding-right: max(20px, calc((100% - 1160px) / 2));
  padding-left: max(20px, calc((100% - 1160px) / 2));
  background: #fff;
}

.tool-demo {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 24px;
  align-items: stretch;
}

.terminal {
  min-height: 280px;
  padding: 24px;
  display: grid;
  align-content: center;
  gap: 16px;
  color: #dbeafe;
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 18%, rgba(6, 182, 255, 0.25), transparent 28%),
    #0f172a;
  box-shadow: var(--shadow);
}

.terminal span {
  display: block;
  overflow-wrap: anywhere;
  padding: 14px 16px;
  border: 1px solid rgba(226, 232, 240, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
}

.terminal span::before {
  content: "$ ";
  color: var(--cyan);
}

.tool-points {
  display: grid;
  gap: 14px;
}

.tool-points article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.tool-points p {
  margin-bottom: 0;
  color: var(--muted);
}

.visual-proof,
.case-study {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.visual-proof img {
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-study {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
}

.case-copy p {
  color: var(--muted);
  font-size: 18px;
}

.case-link {
  margin-top: 24px;
  color: var(--blue);
  border-color: rgba(37, 99, 255, 0.22);
  background: #fff;
}

.case-shot {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.case-shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.cta {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto 88px;
  padding: 46px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 36px;
  align-items: center;
  color: #fff;
  border-radius: 8px;
  background:
    radial-gradient(circle at 84% 18%, rgba(6, 182, 255, 0.38), transparent 30%),
    linear-gradient(135deg, #07111f, #0f172a);
  box-shadow: var(--shadow);
}

.cta h2 {
  color: #fff;
}

.cta p {
  color: #cbd5e1;
}

.lead-form {
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.lead-form label {
  display: block;
  margin-bottom: 14px;
}

.lead-form span {
  display: block;
  margin-bottom: 7px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 800;
}

.lead-form input,
.lead-form select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  color: #fff;
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.72);
  font: inherit;
}

.lead-form .btn {
  width: 100%;
  margin-top: 6px;
}

.footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
}

.footer img {
  width: 178px;
  margin-bottom: 10px;
}

.footer p {
  margin: 0;
  color: var(--muted);
}

.footer .legal {
  margin-top: 8px;
  font-size: 13px;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: #263247;
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .visual-proof,
  .case-study,
  .tool-demo,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 76px;
  }

  .hero-panel {
    max-width: 560px;
  }

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

@media (max-width: 720px) {
  .nav {
    width: min(100% - 28px, 1160px);
  }

  .brand img {
    width: 156px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    right: 14px;
    left: 14px;
    display: none;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: grid;
    gap: 10px;
  }

  .nav-links a {
    padding: 12px;
  }

  .hero,
  .section,
  .workflow,
  .split {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  h1 {
    font-size: 46px;
  }

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

  .hero-stats,
  .feature-grid,
  .steps,
  .scenarios .scenario-grid,
  .flow-card {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    padding: 16px;
  }

  .rank-card,
  .footer {
    display: block;
  }

  .rank-card span {
    display: block;
    margin-top: 8px;
  }

  .chart {
    height: 140px;
  }

  .insight-board {
    grid-template-columns: 1fr;
  }

  .cta {
    width: calc(100% - 28px);
    margin-bottom: 60px;
    padding: 28px;
  }

  .footer nav {
    margin-top: 18px;
  }
}