:root {
  --kd-navy: #1e314f;
  --kd-navy-900: #111e33;
  --kd-navy-500: #3c5175;
  --kd-navy-200: #b3c0d2;
  --kd-navy-050: #eef1f6;
  --kd-teal: #01838d;
  --kd-teal-700: #00636f;
  --kd-teal-050: #e8f4f5;
  --kd-green: #71ba3b;
  --kd-orange-050: #fef1e9;
  --kd-white: #fff;
  --kd-paper: #fbfbf9;
  --kd-grey-100: #eaecef;
  --kd-grey-200: #d8dce1;
  --kd-grey-600: #5e6b7a;
  --kd-grey-800: #2e3947;
  --gradient-brand: linear-gradient(90deg, #007988 0%, #71ba3b 100%);
  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-sans: Figtree, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(30, 49, 79, 0.08), 0 1px 2px rgba(30, 49, 79, 0.04);
  --shadow-md: 0 4px 14px rgba(30, 49, 79, 0.08);
  --shadow-lg: 0 12px 32px rgba(30, 49, 79, 0.1);
  --shadow-xl: 0 24px 60px rgba(30, 49, 79, 0.14);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-soft: cubic-bezier(0.16, 0.84, 0.44, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
  --page-max: 1200px;
  --page-pad: clamp(20px, 5vw, 64px);
  --section-y: clamp(64px, 9vw, 128px);
  --radius-card: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--kd-grey-800);
  background: var(--kd-paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

a {
  color: var(--kd-teal-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease-standard);
}

a:hover {
  color: var(--kd-navy);
}

:focus-visible {
  outline: 3px solid var(--kd-teal);
  outline-offset: 3px;
}

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

h1,
h2,
h3 {
  color: var(--kd-navy);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.22;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  color: var(--kd-navy);
  background: var(--kd-white);
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  transform: translateY(-150%);
  transition: transform var(--dur-base) var(--ease-out-soft);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.eyebrow {
  color: var(--kd-teal-700);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow.on-dark {
  color: var(--kd-green);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 0 22px;
  color: var(--kd-white);
  background: var(--kd-teal);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  transition:
    background var(--dur-base) var(--ease-standard),
    border-color var(--dur-base) var(--ease-standard),
    color var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard);
}

.button:hover {
  color: var(--kd-white);
  background: var(--kd-teal-700);
}

.button:active {
  transform: scale(0.98);
}

.button.large {
  min-height: 52px;
  padding-inline: 28px;
  font-size: 18px;
}

.button.small {
  min-height: 44px;
  padding-inline: 18px;
  font-size: 15px;
}

.button.outline {
  border-color: var(--kd-navy-200);
  color: var(--kd-navy);
  background: transparent;
  box-shadow: none;
}

.button.outline:hover {
  border-color: var(--kd-navy-500);
  color: var(--kd-navy);
  background: var(--kd-navy-050);
}

.marketing-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid var(--kd-grey-100);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  height: 76px;
  align-items: center;
  gap: 28px;
}

.brand-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  color: var(--kd-navy);
  text-decoration: none;
}

.brand-link img {
  width: auto;
  height: 34px;
}

.brand-link span {
  padding-left: 12px;
  border-left: 1px solid var(--kd-grey-200);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.desktop-nav > a:not(.button),
.ecosystem-nav a {
  color: var(--kd-grey-600);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

.desktop-nav > a:not(.button):hover,
.ecosystem-nav a:hover,
.ecosystem-nav a[aria-current="page"] {
  color: var(--kd-navy);
}

.ecosystem-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--kd-grey-100);
  border-radius: var(--radius-pill);
  padding: 5px;
  background: var(--kd-white);
}

.ecosystem-nav a {
  border-radius: var(--radius-pill);
  padding: 6px 10px;
}

.ecosystem-nav a[aria-current="page"] {
  background: var(--kd-teal-050);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  border: 1px solid var(--kd-grey-200);
  border-radius: var(--radius-pill);
  padding: 0;
  color: var(--kd-navy);
  background: var(--kd-white);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-standard);
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.marketing-hero {
  padding: clamp(72px, 8vw, 112px) 0 var(--section-y);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: clamp(48px, 7vw, 88px);
}

.hero-copy {
  display: grid;
  justify-items: start;
  gap: 24px;
}

.marketing-hero h1 {
  max-width: 820px;
  font-size: clamp(52px, 6.5vw, 82px);
  line-height: 1.04;
}

.hero-lead {
  max-width: 52ch;
  color: var(--kd-grey-600);
  font-size: clamp(19px, 2vw, 21px);
  line-height: 1.65;
}

.button-row,
.hero-proof {
  display: flex;
  flex-wrap: wrap;
}

.button-row {
  gap: 12px;
}

.hero-proof {
  gap: 10px 24px;
  padding-top: 8px;
  color: var(--kd-grey-600);
  font-size: 14px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-proof span::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kd-green);
  content: "";
}

.motion-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--kd-grey-100);
  border-radius: var(--radius-xl);
  background: var(--kd-white);
  box-shadow: var(--shadow-xl);
}

.motion-stage {
  position: relative;
  display: grid;
  min-height: 400px;
  aspect-ratio: 16 / 11;
  place-items: center;
  overflow: hidden;
  background: var(--kd-white);
}

.motion-stage::before {
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 4px;
  background: var(--gradient-brand);
  content: "";
}

.motion-video,
.motion-fallback {
  position: absolute;
  inset: 4px 0 0;
  width: 100%;
  height: calc(100% - 4px);
}

.motion-video {
  z-index: 2;
  object-fit: contain;
  background: var(--kd-white);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-standard);
}

.motion-fallback {
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 48px;
  transition: opacity var(--dur-slow) var(--ease-standard);
}

.motion-fallback img {
  width: min(78%, 360px);
  height: auto;
}

.motion-stage[data-video-playing] .motion-video,
.motion-stage[data-video-complete] .motion-video {
  opacity: 1;
}

.motion-stage[data-video-playing] .motion-fallback,
.motion-stage[data-video-complete] .motion-fallback {
  opacity: 0;
}

.motion-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--kd-grey-100);
  padding: 16px 20px;
  color: var(--kd-grey-600);
  font-size: 13px;
}

.motion-caption strong {
  color: var(--kd-navy);
  font-weight: 600;
}

.section {
  padding-block: var(--section-y);
}

.section + .section:not(.inverse-section) {
  border-top: 1px solid var(--kd-grey-100);
}

.section-heading {
  display: grid;
  max-width: 720px;
  gap: 14px;
}

.section-heading h2 {
  font-size: clamp(36px, 4.4vw, 60px);
}

.section-heading > p:last-child {
  max-width: 60ch;
  color: var(--kd-grey-600);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.65;
}

.section-heading.on-dark h2 {
  color: var(--kd-white);
}

.section-heading.on-dark > p:last-child {
  color: rgba(255, 255, 255, 0.74);
}

.product-grid,
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.product-card,
.ecosystem-card {
  position: relative;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--kd-grey-100);
  border-radius: var(--radius-card);
  background: var(--kd-white);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-out-soft);
}

.product-card:hover,
.ecosystem-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--gradient-brand);
  content: "";
}

.product-card {
  min-height: 310px;
  align-content: start;
  gap: 16px;
  padding: 32px 28px 28px;
}

.card-index {
  color: var(--kd-green);
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
}

.product-card h3,
.ecosystem-card h3,
.principle h3 {
  font-family: var(--font-sans);
  font-size: 22px;
  letter-spacing: 0;
}

.product-card p,
.ecosystem-card p {
  color: var(--kd-grey-600);
  font-size: 15px;
  line-height: 1.65;
}

.product-card .plain-link {
  align-self: end;
  margin-top: auto;
  font-size: 15px;
  font-weight: 600;
}

.safety-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 36px;
  margin-top: 48px;
  border-radius: var(--radius-card);
  padding: 28px;
  background: var(--kd-orange-050);
}

.safety-panel strong {
  display: block;
  color: var(--kd-navy);
  font-size: 18px;
}

.safety-panel p {
  max-width: 72ch;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.6;
}

.safety-label {
  border-radius: var(--radius-pill);
  padding: 7px 12px;
  color: #a84620;
  background: var(--kd-white);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.inverse-section {
  color: var(--kd-white);
  background: var(--kd-navy);
}

.principles-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: start;
  gap: clamp(48px, 8vw, 96px);
}

.principle-list {
  display: grid;
}

.principle {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  padding: 24px 0;
}

.principle:first-child {
  padding-top: 0;
}

.principle-number {
  color: var(--kd-green);
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
}

.principle h3 {
  color: var(--kd-white);
  font-size: 18px;
}

.principle p {
  max-width: 50ch;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.65;
}

.ecosystem-card {
  min-height: 245px;
  align-content: start;
  gap: 14px;
  padding: 28px;
}

.ecosystem-card .button {
  align-self: end;
  justify-self: start;
  margin-top: auto;
}

.ecosystem-card.current {
  background: var(--kd-teal-050);
  box-shadow: none;
}

.marketing-footer {
  padding: 72px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--kd-navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}

.footer-brand img {
  width: auto;
  height: 32px;
}

.footer-brand p {
  max-width: 40ch;
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.65;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-column strong {
  margin-bottom: 4px;
  color: var(--kd-green);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--kd-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  font-size: 13px;
}

.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--dur-slow) var(--ease-standard) var(--reveal-delay, 0ms),
    transform var(--dur-slow) var(--ease-out-soft) var(--reveal-delay, 0ms);
}

.reveal-ready .reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .desktop-nav {
    gap: 15px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
    gap: 42px;
  }
}

@media (max-width: 899px) {
  .marketing-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .desktop-nav {
    position: fixed;
    z-index: 90;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 76px);
    align-items: stretch;
    flex-direction: column;
    overflow-y: auto;
    margin: 0;
    border-top: 1px solid var(--kd-grey-100);
    padding: 24px var(--page-pad) 32px;
    background: var(--kd-white);
    box-shadow: var(--shadow-lg);
    gap: 8px;
  }

  .desktop-nav[data-open] {
    display: flex;
  }

  .desktop-nav > a:not(.button) {
    padding: 10px 4px;
  }

  .desktop-nav .button {
    margin-top: 8px;
  }

  .ecosystem-nav {
    justify-content: space-between;
    margin: 6px 0;
  }

  .ecosystem-nav a {
    flex: 1;
    text-align: center;
  }

  .hero-grid,
  .principles-grid {
    grid-template-columns: 1fr;
  }

  .motion-card {
    width: min(100%, 680px);
  }

  .product-grid,
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 245px;
  }
}

@media (max-width: 680px) {
  .marketing-hero {
    padding-top: 56px;
  }

  .marketing-hero h1 {
    font-size: clamp(48px, 15vw, 66px);
  }

  .button-row,
  .button-row .button {
    width: 100%;
  }

  .motion-stage {
    min-height: 340px;
    aspect-ratio: 4 / 5;
  }

  .motion-caption,
  .safety-panel,
  .footer-bottom {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .safety-label {
    justify-self: start;
  }
}

@media (max-width: 420px) {
  .brand-link img {
    height: 28px;
  }

  .brand-link span {
    padding-left: 9px;
  }

  .motion-caption span {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal,
  .reveal-ready .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}