:root {
  --wf-black: #000000;
  --wf-black-soft: #0e0e0e;
  --wf-white: #ffffff;
  --wf-mint: #5ef0cd;
  --wf-mint-soft: #e9fffa;
  --wf-surface: #f0f4f3;
  --wf-surface-soft: #fcfcfc;
  --wf-border: #ccced8;
  --wf-text: #111111;
  --wf-text-muted: #686975;
  --wf-text-light: #c2c4cf;
  --wf-radius: 14px;
  --wf-radius-large: 28px;
  --wf-shadow: 0 24px 80px rgba(0, 0, 0, 0.08);
  --wf-container: 1120px;
  --wf-space-1: 12px;
  --wf-space-2: 18px;
  --wf-space-3: 24px;
  --wf-space-4: 40px;
  --wf-space-5: 72px;
  --wf-space-6: 112px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--wf-black);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Geist", system-ui, sans-serif;
  color: var(--wf-text);
  background:
    linear-gradient(180deg, #000 0 34rem, #f7faf9 34rem 100%);
}

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

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

.page {
  overflow-x: hidden;
}

.container {
  width: min(calc(100% - 32px), var(--wf-container));
  margin: 0 auto;
}

.hero {
  padding: 22px 0 var(--wf-space-5);
}

.page--hub .hero {
  padding-bottom: 32px;
}

.hero-panel,
.detail-hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  color: var(--wf-white);
  background:
    radial-gradient(circle at top left, rgba(94, 240, 205, 0.2), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.92), rgba(14, 14, 14, 0.95));
  border: 1px solid rgba(94, 240, 205, 0.18);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
}

.hero-panel {
  padding: clamp(28px, 5vw, 48px);
}

.detail-hero-panel {
  padding: clamp(28px, 5vw, 56px);
}

.hero-panel::after,
.detail-hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -18% auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 240, 205, 0.28), transparent 66%);
  pointer-events: none;
}

.topbar,
.detail-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--wf-space-3);
  margin-bottom: var(--wf-space-5);
}

.topbar nav,
.detail-topbar nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.topbar nav a,
.detail-topbar nav a,
.back-link {
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
}

.logo {
  width: 164px;
}

.eyebrow,
.section-label,
.mini-label,
.guide-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(94, 240, 205, 0.5);
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before,
.mini-label::before,
.guide-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--wf-mint);
}

h1,
h2,
h3 {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: -0.08em;
}

h1 {
  max-width: 12ch;
  font-size: clamp(42px, 7.6vw, 78px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.04;
}

h3 {
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.1;
}

.hero-copy,
.intro-copy,
.detail-copy,
.card-copy,
.section-copy,
.faq-answer,
.checklist,
.detail-list,
.table,
.footer-copy {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.65;
}

.hero-copy,
.intro-copy,
.detail-copy,
.footer-copy {
  max-width: 44rem;
}

.hero-copy,
.footer-copy,
.detail-copy {
  color: rgba(255, 255, 255, 0.82);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: var(--wf-space-4);
  align-items: end;
}

.hero-content,
.hero-side,
.section-stack,
.detail-stack,
.faq-stack {
  display: flex;
  flex-direction: column;
  gap: var(--wf-space-3);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: var(--wf-black);
  background: var(--wf-mint);
}

.button-secondary {
  border-color: rgba(94, 240, 205, 0.4);
  color: var(--wf-white);
}

.button-dark {
  background: var(--wf-black);
  color: var(--wf-white);
}

.hero-proof,
.detail-proof {
  display: grid;
  gap: 14px;
}

.hero-proof {
  align-self: stretch;
}

.proof-card,
.detail-proof-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(94, 240, 205, 0.14);
}

.proof-card strong,
.detail-proof-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.proof-card p,
.detail-proof-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.5;
}

.section {
  padding: var(--wf-space-6) 0;
}

.page--hub .section {
  padding: 24px 0;
}

.section-panel {
  padding: clamp(28px, 4vw, 42px);
  border-radius: var(--wf-radius-large);
  background: var(--wf-white);
  border: 1px solid rgba(17, 17, 17, 0.08);
  box-shadow: var(--wf-shadow);
}

.section-panel-dark {
  padding: clamp(28px, 4vw, 42px);
  border-radius: var(--wf-radius-large);
  background:
    linear-gradient(135deg, rgba(94, 240, 205, 0.12), transparent 40%),
    var(--wf-black-soft);
  border: 1px solid rgba(94, 240, 205, 0.14);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--wf-space-4);
  margin-bottom: var(--wf-space-4);
}

.section-head p,
.detail-lead,
.card-copy,
.section-copy,
.faq-answer,
.checklist,
.detail-list,
.table,
.micro-copy {
  color: var(--wf-text-muted);
}

.section-panel-dark .section-copy,
.section-panel-dark .micro-copy,
.section-panel-dark .detail-list,
.section-panel-dark .table {
  color: rgba(255, 255, 255, 0.78);
}

.section-panel-dark--hub,
.section-panel-dark--hub h2,
.section-panel-dark--hub h3,
.section-panel-dark--hub .section-label,
.section-panel-dark--hub .mini-label,
.section-panel-dark--hub p,
.section-panel-dark--hub li {
  color: var(--wf-white);
}

.section-panel-dark--hub .summary-card,
.section-panel-dark--hub .summary-card p,
.section-panel-dark--hub .summary-card li {
  color: var(--wf-white);
}

.solution-grid,
.guide-grid,
.detail-grid,
.feature-grid,
.steps-grid,
.faq-grid {
  display: grid;
  gap: var(--wf-space-3);
}

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

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

.detail-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: start;
}

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

.solution-card,
.guide-card,
.feature-card,
.step-card,
.summary-card,
.resource-card,
.table-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border-radius: 24px;
  background: var(--wf-white);
  border: 1px solid rgba(17, 17, 17, 0.08);
}

.solution-card,
.guide-card {
  min-height: 100%;
}

.solution-card:hover,
.guide-card:hover {
  border-color: rgba(94, 240, 205, 0.55);
}

.solution-card p,
.guide-card p,
.feature-card p,
.step-card p,
.summary-card p,
.resource-card p {
  margin: 0;
  color: var(--wf-text-muted);
}

.card-meta,
.micro-copy {
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-arrow {
  margin-top: auto;
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-card,
.resource-card,
.table-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(94, 240, 205, 0.14);
}

.summary-card p,
.resource-card p,
.table-card p,
.table-card li {
  color: rgba(255, 255, 255, 0.78);
}

.checklist,
.detail-list {
  margin: 0;
  padding-left: 20px;
}

.checklist li,
.detail-list li {
  margin-bottom: 10px;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 14px 0;
  text-align: left;
  border-bottom: 1px solid rgba(204, 206, 216, 0.3);
}

.table th {
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.faq-item {
  padding: 24px;
  border-radius: 24px;
  background: var(--wf-white);
  border: 1px solid rgba(17, 17, 17, 0.08);
}

.faq-item h3 {
  margin-bottom: 12px;
}

.manual-overview {
  display: grid;
  gap: var(--wf-space-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.manual-step-list {
  display: grid;
  gap: var(--wf-space-3);
}

.manual-step {
  display: grid;
  gap: var(--wf-space-3);
  padding: 24px;
  border-radius: 24px;
  background: var(--wf-white);
  border: 1px solid rgba(17, 17, 17, 0.08);
  box-shadow: var(--wf-shadow);
}

.manual-step__header {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.manual-step__header p,
.manual-step__body,
.manual-note,
.manual-figure figcaption {
  margin: 0;
  color: var(--wf-text-muted);
}

.manual-step__body {
  font-size: 18px;
  line-height: 1.65;
}

.manual-step__media,
.manual-figure-grid {
  display: grid;
  gap: 14px;
}

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

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

.manual-figure {
  overflow: hidden;
  border-radius: 20px;
  background: var(--wf-surface-soft);
  border: 1px solid rgba(17, 17, 17, 0.08);
}

.manual-figure img {
  width: 100%;
  background: var(--wf-white);
}

.manual-figure figcaption {
  padding: 14px 16px 16px;
  font-size: 14px;
  line-height: 1.5;
}

.manual-note {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(94, 240, 205, 0.12);
  border: 1px solid rgba(94, 240, 205, 0.32);
  font-size: 16px;
  line-height: 1.6;
}

.footer-cta {
  padding-bottom: var(--wf-space-6);
}

.section-actions--faq {
  margin-top: var(--wf-space-4);
  justify-content: center;
}

.footer-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: var(--wf-space-4);
  padding: clamp(28px, 4vw, 42px);
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(94, 240, 205, 0.2), transparent 30%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.92), rgba(14, 14, 14, 0.95));
  color: var(--wf-white);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: center;
}

.footer-links a {
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.detail-page {
  background:
    linear-gradient(180deg, #000 0 26rem, #f7faf9 26rem 100%);
}

.breadcrumb {
  font-family: "Geist Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.88);
}

.section-anchor {
  scroll-margin-top: 32px;
}

@media (max-width: 980px) {
  .hero-grid,
  .detail-grid,
  .footer-panel,
  .section-head,
  .steps-grid,
  .faq-grid,
  .manual-overview,
  .manual-figure-grid--double,
  .manual-figure-grid--triple {
    grid-template-columns: 1fr;
  }

  .guide-grid,
  .feature-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
  }

}

@media (max-width: 720px) {
  body,
  .detail-page {
    background:
      linear-gradient(180deg, #000 0 28rem, #f7faf9 28rem 100%);
  }

  .topbar,
  .detail-topbar {
    flex-direction: column;
    align-items: start;
    margin-bottom: var(--wf-space-4);
  }

  .topbar nav,
  .detail-topbar nav {
    justify-content: flex-start;
  }

  h1 {
    max-width: 100%;
  }

  .hero-panel,
  .detail-hero-panel,
  .section-panel,
  .section-panel-dark,
  .footer-panel {
    padding: 24px;
    border-radius: 24px;
  }

  .button,
  .hero-actions a,
  .detail-actions a,
  .section-actions a {
    width: 100%;
  }

  .solution-card,
  .guide-card,
  .feature-card,
  .step-card,
  .faq-item,
  .manual-step {
    padding: 20px;
    border-radius: 20px;
  }

}