:root {
  --canvas-night: #000000;
  --canvas-night-elevated: #0a0a0a;
  --surface-elevated-dark: #1e2c31;
  --hairline-dark: #1e2c31;
  --shade-30: #d4d4d8;
  --shade-40: #a1a1aa;
  --shade-50: #71717a;
  --shade-60: #52525b;
  --ink: #000000;
  --on-primary: #ffffff;
  --accent-green: #4ade80;
  --link-cool-2: #9797a2;
  --link-cool-3: #bdbdca;
  --sm: 8px;
  --md: 12px;
  --lg: 16px;
  --xl: 24px;
  --xxl: 32px;
  --huge: 64px;
  --rounded-md: 8px;
  --rounded-xl: 20px;
  --rounded-pill: 9999px;
  --font-display: 'Inter', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  min-height: 100vh;
  background: var(--canvas-night);
  color: var(--on-primary);
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 420;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss03";
  overflow-x: hidden;
}

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

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

.page-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--xl);
  padding: var(--lg) var(--xl);
  border-bottom: 1px solid var(--hairline-dark);
  background: var(--canvas-night);
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 2.6px;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-logo-signal {
  width: 2px;
  height: 18px;
  border-radius: var(--rounded-pill);
  background: var(--accent-green);
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--xl);
}

.nav-links a,
.dropdown-toggle {
  color: var(--shade-40);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 420;
  transition: color 0.25s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.dropdown-toggle:hover {
  color: var(--on-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 200;
  min-width: 200px;
  padding: var(--sm) 0;
  border: 1px solid var(--hairline-dark);
  border-radius: var(--rounded-md);
  background: var(--canvas-night-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: var(--sm) var(--lg);
  transition: color 0.2s ease, background 0.2s ease;
}

.dropdown-menu a:hover {
  background: rgba(255,255,255,0.05);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sm);
  border: 0;
  background: none;
  cursor: pointer;
}

.hamburger span {
  width: 22px;
  height: 1.5px;
  background: var(--on-primary);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sm);
  min-height: 44px;
  padding: var(--md) var(--xl);
  border-radius: var(--rounded-pill);
  border: 1px solid transparent;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 420;
  line-height: 1.5;
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.btn-outline-on-dark {
  border: 2px solid var(--on-primary);
  color: var(--on-primary);
  background: transparent;
}

.btn-outline-on-dark:hover {
  color: var(--ink);
  background: var(--on-primary);
}

.btn-outline-on-dark--subtle {
  border-color: rgba(255,255,255,0.3);
  color: var(--on-primary);
  background: transparent;
}

.btn-outline-on-dark--subtle:hover {
  border-color: var(--on-primary);
  background: rgba(255,255,255,0.05);
}

.page-hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: flex-end;
  padding: 160px var(--xl) var(--huge);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  filter: brightness(0.48);
  z-index: 0;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.28) 0%, rgba(0,0,0,0.08) 42%, rgba(0,0,0,0.96) 100%),
    linear-gradient(90deg, rgba(0,0,0,0.96) 0%, rgba(0,0,0,0.72) 42%, rgba(0,0,0,0.18) 100%);
  z-index: 1;
}

.hero-inner,
.section-inner,
.footer-inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  display: block;
  margin-bottom: var(--xl);
  color: var(--accent-green);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.72px;
  text-transform: uppercase;
}

h1,
.display-xl,
.display-lg,
.display-md {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0;
}

h1 {
  max-width: 960px;
  margin-bottom: var(--xl);
  font-size: 96px;
  line-height: 1;
  letter-spacing: 2.4px;
}

.display-xl {
  font-size: 70px;
  line-height: 1;
}

.display-lg {
  font-size: 55px;
  line-height: 1.12;
}

.display-md {
  font-size: 48px;
  line-height: 1.14;
}

.hero-lead,
.section-lead {
  max-width: 640px;
  color: var(--shade-40);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sm);
  margin-top: var(--xxl);
}

.section {
  padding: 128px var(--xl);
  border-top: 1px solid var(--hairline-dark);
}

.section--tight {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--xxl);
  margin-bottom: var(--huge);
}

.section-header p {
  max-width: 460px;
  color: var(--shade-40);
  line-height: 1.7;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--huge);
  align-items: center;
}

.split-copy p {
  margin-top: var(--lg);
  color: var(--shade-40);
  line-height: 1.8;
}

.split-photo {
  min-height: 520px;
  overflow: hidden;
  border-radius: var(--rounded-xl) var(--rounded-xl) 0 0;
  background: #030708;
}

.split-photo img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  filter: brightness(0.72);
}

.feature-grid,
.product-grid,
.process-grid,
.related-grid {
  display: grid;
  gap: var(--xl);
}

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

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

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

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

.feature-card,
.process-step,
.product-card,
.related-card {
  border: 1px solid var(--hairline-dark);
  border-radius: var(--rounded-md);
  background: var(--canvas-night-elevated);
  box-shadow: 0 1px 2px rgba(255,255,255,0.05), inset 0 1px 0 rgba(255,255,255,0.04);
}

.feature-card,
.process-step {
  padding: var(--xxl);
}

.feature-card h3,
.process-step h3,
.product-card h3,
.related-card h3 {
  margin-bottom: var(--md);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.35;
}

.feature-card p,
.process-step p,
.product-card p,
.related-card p {
  color: var(--shade-40);
  font-size: 14px;
  line-height: 1.7;
}

.product-card,
.related-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  color: inherit;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.product-card:hover,
.related-card:hover {
  border-color: rgba(74,222,128,0.55);
  transform: translateY(-4px);
}

.product-card:focus-visible,
.related-card:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 4px;
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: brightness(0.72);
}

.product-card-body,
.related-card {
  padding: var(--xl);
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.card-link {
  margin-top: auto;
  padding-top: var(--xl);
  color: var(--accent-green);
  font-size: 14px;
  font-weight: 500;
}

.process-number {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--xl);
  border: 1px solid rgba(74,222,128,0.55);
  border-radius: var(--rounded-pill);
  color: var(--accent-green);
  font-size: 13px;
  font-weight: 500;
}

.note-list {
  display: grid;
  gap: var(--lg);
  margin-top: var(--xl);
  list-style: none;
}

.note-list li {
  color: var(--shade-40);
  line-height: 1.7;
}

.note-list strong {
  color: var(--on-primary);
  font-weight: 550;
}

.cta-band {
  padding: 96px var(--xl);
  border-top: 1px solid var(--hairline-dark);
  background: var(--canvas-night);
}

.cta-inner {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--xxl);
}

.cta-inner p {
  max-width: 520px;
  color: var(--shade-40);
  line-height: 1.7;
}

.page-footer {
  border-top: 1px solid var(--hairline-dark);
  padding: var(--huge) var(--xl) var(--xl);
  background: var(--canvas-night);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.85fr 1fr 1.15fr 1.35fr;
  gap: var(--xxl);
  align-items: start;
  margin-bottom: var(--huge);
}

.footer-col h4 {
  margin-bottom: var(--xl);
  color: var(--on-primary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.72px;
}

.footer-col p,
.footer-col a,
.contact-item {
  color: var(--link-cool-2);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.8;
}

.footer-col a {
  display: block;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--on-primary);
}

.footer-brand p {
  margin-top: var(--md);
  line-height: 1.7;
}

.social-icons {
  display: flex;
  gap: var(--sm);
  margin-top: var(--xl);
}

.social-icons a {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline-dark);
  border-radius: var(--rounded-pill);
  background: var(--canvas-night-elevated);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.social-icons a:hover {
  border-color: var(--on-primary);
  background: var(--on-primary);
}

.social-icons svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--on-primary);
  stroke-width: 1.5;
  transition: stroke 0.25s ease;
}

.social-icons a:hover svg {
  stroke: var(--ink);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--sm);
  margin-bottom: var(--md);
}

.contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--link-cool-3);
  stroke-width: 1.5;
  transition: stroke 0.25s ease, transform 0.25s ease;
}

.contact-item:hover svg {
  stroke: var(--accent-green);
  transform: translateY(-1px);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--md);
  padding-top: var(--xl);
  border-top: 1px solid var(--shade-30);
}

.footer-bottom p,
.footer-bottom a {
  color: var(--shade-60);
  font-size: 13px;
  font-weight: 500;
}

.footer-bottom-links {
  display: flex;
  gap: var(--xl);
}

.floating-wa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  display: flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: var(--rounded-pill);
  background: #25D366;
  color: white;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.floating-wa:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(37,211,102,0.5);
}

.floating-wa svg {
  width: 28px;
  height: 28px;
  fill: white;
}

@media (max-width: 1024px) {
  h1 {
    font-size: 70px;
    letter-spacing: 1.5px;
  }

  .display-xl {
    font-size: 55px;
  }

  .display-lg {
    font-size: 48px;
  }

  .display-md {
    font-size: 40px;
  }

  .split-grid,
  .section-header,
  .cta-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-grid,
  .product-grid,
  .process-grid,
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .page-nav {
    padding: var(--md) var(--lg);
  }

  .nav-links {
    display: none;
  }

  .nav-toggle:checked ~ .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--lg);
    padding: var(--xl);
    border-bottom: 1px solid var(--hairline-dark);
    background: var(--canvas-night);
  }

  .nav-dropdown {
    position: static;
  }

  .dropdown-menu {
    position: static;
    min-width: 0;
    margin-top: var(--sm);
    margin-left: var(--lg);
    padding: 0;
    border: 0;
    background: transparent;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .dropdown-menu a {
    padding: var(--sm) 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-toggle:checked ~ .nav-actions .hamburger span:first-child {
    transform: translateY(6.5px) rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-actions .hamburger span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked ~ .nav-actions .hamburger span:last-child {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .nav-actions .btn {
    display: none;
  }

  .page-hero {
    min-height: 72vh;
    padding: 96px var(--lg) var(--huge);
  }

  h1 {
    font-size: 48px;
    letter-spacing: 1px;
  }

  .display-xl {
    font-size: 40px;
  }

  .display-lg {
    font-size: 36px;
  }

  .display-md {
    font-size: 32px;
  }

  .section,
  .section--tight {
    padding: 80px var(--lg);
  }

  .section-header {
    margin-bottom: var(--xxl);
  }

  .split-photo,
  .split-photo img {
    min-height: 320px;
  }

  .feature-grid,
  .product-grid,
  .process-grid,
  .related-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: 80px var(--lg);
  }

  .page-footer {
    padding: 64px var(--lg) var(--lg);
  }
}

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .product-card:hover,
  .related-card:hover,
  .floating-wa:hover,
  .contact-item:hover svg {
    transform: none;
  }
}