:root {
  --color-primary: #0f172a;
  --color-accent: #2563eb;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-soft-text: #475569;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-panel: #f1f5f9;
  --color-success: #16a34a;

  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --radius-pill: 999px;

  --shadow-soft: 0 30px 80px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 18px 40px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 38%, #ffffff 100%);
  color: var(--color-text);
}

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

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

p {
  margin-bottom: 0;
}

.site-header,
.section,
.site-footer,
.ds-hero {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-top: 18px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 18px;
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
  font-size: 18px;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--color-soft-text);
  font-size: 15px;
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 15px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

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

.btn.primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.14);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.88);
  color: var(--color-text);
  border-color: var(--color-border);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
}

.eyebrow.small {
  margin-bottom: 8px;
  font-size: 12px;
}

.section {
  margin-bottom: 110px;
}

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

.section-head p {
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.7;
}

h1 {
  font-size: clamp(52px, 8vw, 86px);
  line-height: 0.95;
  letter-spacing: -0.07em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin-bottom: 18px;
}

h3 {
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.hero {
  margin-top: 38px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 54px;
  align-items: center;
}

.hero-copy > p {
  max-width: 650px;
  color: var(--color-soft-text);
  font-size: 21px;
  line-height: 1.65;
}

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

.hero-proof {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.proof-item {
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.proof-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.proof-item span {
  display: block;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.5;
}

.hero-visual {
  min-width: 0;
}

.mockup-window {
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: 30px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.mockup-topbar {
  height: 62px;
  padding: 0 20px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  display: flex;
  align-items: center;
  gap: 16px;
}

.mockup-dots {
  display: flex;
  gap: 8px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mockup-search {
  flex: 1;
  min-width: 0;
  height: 38px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.95);
  display: flex;
  align-items: center;
  padding: 0 14px;
  color: var(--color-muted);
  font-size: 13px;
}

.mockup-body {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  min-height: 560px;
}

.mockup-sidebar {
  padding: 22px 16px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border-right: 1px solid rgba(226, 232, 240, 0.9);
  display: grid;
  align-content: start;
  gap: 12px;
}

.sidebar-pill {
  height: 12px;
  border-radius: 999px;
  background: #dbe3ee;
}

.sidebar-pill-active {
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 100%);
}

.mockup-content {
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 26%),
    white;
}

.mockup-overview {
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.92);
}

.overview-header strong {
  display: block;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.overview-metrics {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 16px;
  border-radius: 18px;
  background: white;
  border: 1px solid rgba(226, 232, 240, 0.95);
}

.metric-card span {
  display: block;
  color: var(--color-muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.metric-card strong {
  font-size: 26px;
  letter-spacing: -0.05em;
}

.metric-card.highlight {
  background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #bfdbfe;
}

.mockup-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 18px;
}

.analytics-card,
.activity-card {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: white;
}

.chart-header,
.activity-card strong {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.chart-header span {
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 500;
}

.chart-bars {
  height: 190px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  align-items: end;
  gap: 10px;
}

.chart-bar {
  display: block;
  border-radius: 14px 14px 6px 6px;
  background: linear-gradient(180deg, #0f172a 0%, #2563eb 100%);
}

.activity-card {
  display: grid;
  gap: 14px;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.activity-item b {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.activity-item small {
  display: block;
  color: var(--color-muted);
  line-height: 1.45;
}

.activity-dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--color-success);
  flex: 0 0 auto;
}

.activity-dot.accent {
  background: var(--color-accent);
}

.activity-dot.soft {
  background: #94a3b8;
}

.mockup-table {
  margin-top: 18px;
  padding: 10px 18px;
  border-radius: 22px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: white;
}

.table-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  font-size: 15px;
}

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

.table-row span {
  color: var(--color-muted);
}

.table-row b {
  font-size: 14px;
}

.trust-band {
  margin-top: -20px;
}

.trust-grid,
.service-grid,
.feature-grid,
.reference-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.card p {
  color: var(--color-muted);
  line-height: 1.65;
}

.trust-card {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ecfdf5;
  color: var(--color-success);
  font-weight: 800;
  flex: 0 0 auto;
}

.trust-card strong {
  font-size: 16px;
  letter-spacing: -0.02em;
}

.service-card,
.feature-card,
.reference-card,
.timeline-card {
  position: relative;
  overflow: hidden;
}

.service-card::before,
.feature-card::before,
.reference-card::before,
.timeline-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.24), transparent 70%);
}

.service-index,
.timeline-step,
.reference-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

.feature-card h3,
.reference-card h3,
.timeline-card h3,
.service-card h3 {
  max-width: 18ch;
}

.process-section {
  position: relative;
}

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

.timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.2), rgba(37, 99, 235, 0.3), rgba(148, 163, 184, 0.2));
}

.timeline-card {
  min-height: 100%;
}

.reference-tag {
  background: #f8fafc;
  color: var(--color-soft-text);
}

.cta-panel {
  padding: 56px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.14), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid rgba(226, 232, 240, 0.92);
  box-shadow: var(--shadow-soft);
}

.cta-panel p {
  max-width: 700px;
  color: var(--color-muted);
  font-size: 19px;
  line-height: 1.7;
}

.site-footer {
  margin-bottom: 28px;
  padding: 32px 0 0;
  border-top: 1px solid rgba(226, 232, 240, 0.95);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  max-width: 460px;
}

.footer-brand p {
  margin-top: 18px;
  color: var(--color-muted);
  line-height: 1.65;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px 22px;
  color: var(--color-soft-text);
  font-size: 15px;
}

.ds-page {
  width: 100%;
}

.ds-hero {
  margin: 50px auto 90px;
}

.ds-hero p {
  max-width: 720px;
  color: var(--color-soft-text);
  font-size: 20px;
  line-height: 1.7;
}

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

.color-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.color-card span {
  display: block;
  height: 110px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 18px;
}

.color-card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.color-card small {
  color: var(--color-muted);
}

.component-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.featured-card {
  background: var(--color-primary);
  color: white;
}

.featured-card p {
  color: #cbd5e1;
}

.sample-form {
  max-width: 620px;
  display: grid;
  gap: 14px;
}

.sample-form input,
.sample-form textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font: inherit;
  color: var(--color-text);
}

.sample-form textarea {
  min-height: 130px;
  resize: vertical;
}

@media (max-width: 1080px) {
  .hero,
  .mockup-grid,
  .service-grid,
  .feature-grid,
  .reference-grid,
  .timeline,
  .trust-grid,
  .hero-proof {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    align-items: start;
  }

  .timeline::before {
    display: none;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px 18px;
  }

  .header-cta {
    width: 100%;
  }

  .hero {
    grid-template-columns: 1fr;
    margin-top: 26px;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-sidebar {
    display: none;
  }

  .cta-panel {
    padding: 36px 24px;
  }
}

@media (max-width: 640px) {
  .site-header,
  .section,
  .site-footer,
  .ds-hero {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-copy > p,
  .section-head p,
  .cta-panel p,
  .ds-hero p {
    font-size: 17px;
  }

  .card,
  .cta-panel {
    border-radius: 20px;
  }

  .hero-proof,
  .overview-metrics,
  .mockup-grid,
  .service-grid,
  .feature-grid,
  .reference-grid,
  .timeline,
  .trust-grid,
  .color-grid {
    grid-template-columns: 1fr;
  }

  .mockup-content {
    padding: 18px;
  }

  .mockup-overview,
  .analytics-card,
  .activity-card,
  .mockup-table,
  .proof-item {
    border-radius: 18px;
  }

  .chart-bars {
    gap: 8px;
  }

  .table-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}