:root {
  --ink: #101214;
  --muted: #5a626b;
  --paper: #f6f6f1;
  --white: #ffffff;
  --accent: #6c7478;
  --accent-dark: #464d51;
  --charcoal: #181b1d;
  --graphite: #24292c;
  --line: #dfe3e2;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

h1 {
  max-width: 13ch;
  font-size: clamp(2.65rem, 7.5vw, 6.55rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

h3 {
  font-size: 1.35rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(246, 246, 241, 0.94);
  border-bottom: 1px solid rgba(16, 18, 20, 0.1);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--accent);
  border-radius: 6px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.brand small {
  color: var(--muted);
  font-size: 0.75rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 12px;
  color: var(--muted);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink);
  background: var(--white);
}

.site-nav .nav-cta {
  color: var(--white);
  background: var(--ink);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta.active {
  color: var(--white);
  background: var(--accent);
}

.nav-toggle {
  display: none;
  padding: 10px 12px;
  color: var(--white);
  background: var(--ink);
  border: 0;
  border-radius: 6px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: clamp(84px, 12vw, 150px) clamp(20px, 6vw, 76px) clamp(58px, 8vw, 96px);
}

.hero-video,
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.44), rgba(0, 0, 0, 0.14)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.58), transparent 42%);
}

.hero-content {
  position: relative;
  max-width: 810px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-content .eyebrow,
.dark .eyebrow {
  color: #d4dbde;
}

.hero-copy {
  max-width: 700px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions,
.button-row,
.cta-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 2px solid transparent;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.button.secondary:hover {
  border-color: var(--accent);
}

.button.light.secondary {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.38);
}

.button.light.primary {
  color: var(--ink);
  background: var(--white);
}

.hero-stats,
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
  max-width: 680px;
}

.hero-stats span,
.metric-row span {
  padding: 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.82);
}

.hero-stats strong,
.metric-row strong {
  display: block;
  color: var(--white);
  font-size: 1.35rem;
  line-height: 1;
}

.metric-row {
  grid-template-columns: repeat(3, 1fr);
}

.metric-row span {
  background: #f3f4f0;
  border-color: var(--line);
  color: var(--muted);
}

.metric-row strong {
  color: var(--ink);
}

.sticky-buy {
  position: sticky;
  top: 71px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px max(clamp(18px, 4vw, 48px), calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--charcoal);
  box-shadow: 0 12px 30px rgba(16, 18, 20, 0.18);
}

.sticky-buy div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.sticky-buy span {
  color: rgba(255, 255, 255, 0.72);
}

.sticky-buy .button {
  min-height: 40px;
  padding: 9px 14px;
}

.band,
.faq-preview,
.problem-solution,
.founder-notes,
.product-showcase,
.use-cases,
.faq-layout,
.story-section,
.video-grid,
.contact-layout,
.buy-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 102px) clamp(20px, 4vw, 40px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

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

.feature-grid article,
.use-grid article,
.comparison-grid article {
  min-height: 260px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.feature-grid article:hover,
.use-grid article:hover,
.comparison-grid article:hover,
.video-grid article:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(16, 18, 20, 0.1);
}

.feature-grid span {
  display: inline-block;
  margin-bottom: 38px;
  color: var(--accent);
  font-weight: 900;
}

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

.quote-grid figure {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0;
  padding: 26px;
  color: var(--white);
  background: var(--graphite);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.quote-grid blockquote {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.18;
}

.quote-grid figcaption {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

.comparison-grid ul,
.spec-list,
.check-list,
.process-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.comparison-grid li,
.spec-list li,
.check-list li,
.process-list li {
  padding-left: 22px;
  border-left: 4px solid var(--accent);
}

.accent-panel {
  color: var(--white);
  background: var(--graphite) !important;
  border-color: var(--graphite) !important;
}

.accent-panel li {
  color: rgba(255, 255, 255, 0.82);
}

.feature-grid p,
.split-copy p,
.product-panel p,
.two-column p,
.story-section p,
.buy-section p,
.contact-card p,
.video-grid p,
.faq-list p,
.use-grid p,
.faq-intro p,
.comparison-grid li {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: center;
  max-width: 1340px;
  margin: 0 auto;
  padding: clamp(44px, 6vw, 82px) clamp(20px, 4vw, 48px);
  gap: clamp(26px, 6vw, 70px);
}

.split-media video,
.split-media img,
.video-grid video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--charcoal);
  border-radius: 8px;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--accent);
  font-weight: 900;
  text-decoration: none;
}

.seo-band {
  max-width: none;
  padding: clamp(58px, 8vw, 104px) max(clamp(20px, 6vw, 80px), calc((100vw - var(--max)) / 2));
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(24, 27, 29, 0.95), rgba(24, 27, 29, 0.88)),
    url("assets/limb-master-cutter-shop.jpg") center / cover;
}

.seo-band p {
  color: rgba(255, 255, 255, 0.78);
}

.keyword-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.keyword-grid span {
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
}

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

.faq-list.compact {
  padding: 0;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

summary {
  padding: 20px 22px;
  font-weight: 900;
  cursor: pointer;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
}

.page-hero {
  min-height: 54vh;
  display: grid;
  align-items: end;
  padding: clamp(64px, 10vw, 130px) clamp(20px, 6vw, 80px) clamp(44px, 7vw, 80px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 18, 20, 0.92), rgba(16, 18, 20, 0.48)),
    url("assets/limb-master-cutter.jpg") center / cover;
}

.product-hero {
  background:
    linear-gradient(90deg, rgba(16, 18, 20, 0.92), rgba(16, 18, 20, 0.4)),
    url("assets/limb-master-cutter-shop.jpg") center / cover;
}

.page-hero div {
  max-width: var(--max);
}

.page-hero p {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.83);
  font-size: 1.12rem;
}

.product-showcase,
.story-section,
.contact-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.gallery-large {
  display: grid;
  gap: 12px;
}

.main-product-image,
.story-section img {
  width: 100%;
  min-height: 540px;
  object-fit: cover;
  border-radius: 8px;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.gallery-thumbs button {
  padding: 0;
  overflow: hidden;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.gallery-thumbs button.active,
.gallery-thumbs button:hover {
  border-color: var(--accent);
}

.gallery-thumbs img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-panel,
.contact-card,
.faq-intro {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.premium-panel {
  position: sticky;
  top: 150px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}

.pump-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: clamp(24px, 5vw, 54px);
}

.pump-detail img {
  width: 100%;
  min-height: 380px;
  object-fit: cover;
  border-radius: 8px;
}

.buy-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
}

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

.video-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.video-grid h2,
.video-grid p {
  padding: 0 20px;
}

.video-grid h2 {
  margin-top: 20px;
  font-size: 1.35rem;
}

.video-grid p {
  padding-bottom: 20px;
}

.lead-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.form-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 12px;
  color: var(--ink);
  background: #fbfbf8;
  border: 1px solid #cbd1d0;
  border-radius: 6px;
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.process-list {
  counter-reset: process;
}

.process-list li {
  counter-increment: process;
}

.contact-facts {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 60px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  max-width: 460px;
  margin: 8px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.footer-links a {
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .button,
  .feature-grid article,
  .use-grid article,
  .comparison-grid article,
  .video-grid article {
    transition: none;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px 20px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

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

  .feature-grid,
  .comparison-grid,
  .quote-grid,
  .split-section,
  .product-showcase,
  .story-section,
  .two-column,
  .pump-detail,
  .video-grid,
  .contact-layout,
  .faq-layout,
  .use-grid {
    grid-template-columns: 1fr;
  }

  .buy-section,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .premium-panel {
    position: static;
  }

  .main-product-image,
  .story-section img {
    min-height: 360px;
  }

  .sticky-buy {
    top: 67px;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero {
    min-height: 86vh;
    padding: 68px 18px 42px;
  }

  h1 {
    font-size: 2.55rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .hero-stats,
  .metric-row,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .sticky-buy {
    position: static;
    align-items: stretch;
    flex-direction: column;
  }

  .feature-grid article,
  .use-grid article,
  .comparison-grid article {
    min-height: auto;
  }
}