:root {
  --color-primary: #00374e;
  --color-alternate: #004c6a;
  --color-secondary: #59c2d8;
  --color-light-teal: #eef9fb;
  --color-salmon: #ffbeac;
  --color-ink: #141414;
  --color-muted: #526068;
  --color-line: #d9e2e5;
  --color-white: #ffffff;
  --color-page: #ffffff;
  --color-heading: #00374e;
  --color-body: #526068;
  --color-header: rgb(255 255 255 / 78%);
  --color-header-solid: #ffffff;
  --color-glass-border: rgb(0 55 78 / 14%);
  --color-glass-highlight: rgb(255 255 255 / 76%);
  --glass-shadow: 0 16px 48px rgb(0 55 78 / 10%);
  --surface-subtle: #eef9fb;
  --surface-strong: #00374e;
  --text-on-strong: #ffffff;
  --interactive-primary-bg: #59c2d8;
  --interactive-primary-text: #00374e;
  --interactive-primary-hover-bg: #00374e;
  --interactive-primary-hover-text: #ffffff;
  --interactive-secondary-border: #00374e;
  --focus-ring: #ffbeac;
  --font-heading: "Sora", sans-serif;
  --font-body: "Bitter", serif;
  --container: 84rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --space-section: clamp(7.5rem, 12vw, 11.25rem);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --color-page: #00374e;
  --color-heading: #ffffff;
  --color-body: #d5e6eb;
  --color-line: rgb(255 255 255 / 14%);
  --color-header: rgb(0 55 78 / 70%);
  --color-header-solid: #00374e;
  --color-glass-border: rgb(255 255 255 / 20%);
  --color-glass-highlight: rgb(255 255 255 / 24%);
  --glass-shadow: 0 18px 54px rgb(0 15 24 / 30%);
  --surface-subtle: #004c6a;
  --surface-strong: #002d40;
  --text-on-strong: #ffffff;
  --interactive-primary-bg: #59c2d8;
  --interactive-primary-text: #00374e;
  --interactive-primary-hover-bg: #ffffff;
  --interactive-primary-hover-text: #00374e;
  --interactive-secondary-border: #ffffff;
  --focus-ring: #ffbeac;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--color-page);
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-page);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  height: 6rem;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-header-solid);
  transition:
    top 360ms cubic-bezier(0.22, 1, 0.36, 1),
    right 360ms cubic-bezier(0.22, 1, 0.36, 1),
    left 360ms cubic-bezier(0.22, 1, 0.36, 1),
    height 360ms cubic-bezier(0.22, 1, 0.36, 1),
    border-radius 360ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 240ms ease,
    box-shadow 360ms ease;
}

.site-header.is-scrolled {
  top: 0.75rem;
  right: clamp(0.75rem, 2vw, 2rem);
  left: clamp(0.75rem, 2vw, 2rem);
  height: 4.6rem;
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  background: var(--color-header);
  box-shadow: var(--glass-shadow), inset 0 1px 0 var(--color-glass-highlight);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
  backdrop-filter: blur(22px) saturate(145%);
}

.header-inner {
  width: min(calc(100% - (2 * var(--gutter))), var(--container));
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 11rem 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.5rem);
}

.brand {
  width: fit-content;
  display: inline-flex;
}

.brand img {
  display: block;
  width: 8.5rem;
  height: auto;
}

.brand-dark {
  display: none !important;
}

html[data-theme="dark"] .brand-light {
  display: none;
}

html[data-theme="dark"] .brand-dark {
  display: block !important;
}

.main-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(1.15rem, 2vw, 2.25rem);
}

.main-nav a {
  position: relative;
  padding-block: 0.5rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--color-heading);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.button {
  min-height: 2.75rem;
  padding: 0.68rem 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 3px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button-primary {
  color: var(--interactive-primary-text);
  background: var(--interactive-primary-bg);
  border-color: var(--interactive-primary-bg);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--interactive-primary-hover-text);
  background: var(--interactive-primary-hover-bg);
  border-color: var(--interactive-primary-hover-bg);
}

.header-cta:hover,
.hero-actions .button-primary:hover {
  color: var(--color-primary);
  background: var(--color-salmon);
  border-color: var(--color-salmon);
}

.button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.button-secondary {
  color: var(--color-heading);
  background: transparent;
  border-color: var(--interactive-secondary-border);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--color-page);
  background: var(--color-heading);
}

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

.hero {
  position: relative;
  min-height: calc(100svh - 6rem);
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

main {
  padding-top: 6rem;
}

.hero-inner {
  width: min(100%, calc(var(--container) + (2 * var(--gutter))));
  min-height: calc(100svh - 6rem);
  margin-inline: auto;
  padding-left: var(--gutter);
  display: grid;
  grid-template-columns: minmax(26rem, 0.88fr) minmax(32rem, 1.12fr);
  align-items: stretch;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 42rem;
  padding: clamp(5rem, 10vh, 8rem) clamp(3rem, 5vw, 6rem) clamp(7rem, 12vh, 9rem) 0;
  align-self: center;
}

.hero-copy::before {
  content: "";
  width: 2.5rem;
  height: 2px;
  margin-bottom: clamp(2rem, 4vh, 3.25rem);
  display: block;
  background: var(--color-salmon);
}

h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: clamp(2.65rem, 4.45vw, 4.75rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.hero-copy p {
  max-width: 38rem;
  margin: clamp(2rem, 4vh, 3rem) 0 0;
  color: var(--color-body);
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  margin-top: clamp(2.25rem, 5vh, 3.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-media {
  position: relative;
  min-height: 36rem;
  margin: 0;
  overflow: hidden;
  background: var(--color-light-teal);
}

.hero-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 57% center;
  animation: hero-image-in 1100ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-copy > * {
  animation: hero-copy-in 760ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-copy > :nth-child(2) {
  animation-delay: 80ms;
}

.hero-copy > :nth-child(3) {
  animation-delay: 150ms;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 2rem;
  left: max(var(--gutter), calc((100vw - var(--container)) / 2));
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.5;
}

.fragmentation {
  min-height: 48rem;
  padding: var(--space-section) var(--gutter);
  color: var(--color-heading);
  background: var(--surface-subtle);
}

.fragmentation-inner {
  width: min(100%, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(19rem, 0.72fr) minmax(32rem, 1.28fr);
  align-items: center;
  gap: clamp(4rem, 9vw, 9rem);
}

.fragmentation-copy {
  max-width: 32rem;
}

.section-index {
  margin-bottom: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.section-index::after {
  content: "";
  width: 2.5rem;
  height: 2px;
  background: var(--color-salmon);
}

.fragmentation h2 {
  max-width: 14ch;
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 4vw, 4.15rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.fragmentation-copy > p {
  margin: 2.25rem 0 0;
  color: var(--color-body);
  font-size: clamp(1.05rem, 1.3vw, 1.22rem);
  line-height: 1.7;
}

.signal-list {
  margin: 2.75rem 0 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
  list-style: none;
}

.signal-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
}

.system-map {
  position: relative;
  min-height: 34rem;
}

.system-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--color-secondary);
  stroke-dasharray: 5 8;
  stroke-dashoffset: 440;
  stroke-linecap: round;
  stroke-width: 1.6;
  opacity: 0.8;
}

.is-visible .system-lines {
  animation: draw-system-lines 1500ms 180ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.system-knot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8.5rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--color-secondary);
  transform: translate(-50%, -50%);
}

.system-knot::before {
  content: "";
  position: absolute;
  inset: 1.1rem;
  border: 1px solid var(--color-secondary);
  border-radius: 50%;
  opacity: 0.22;
}

.system-knot svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.system-node {
  position: absolute;
  width: 10.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}

.system-node::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  margin-bottom: 0.4rem;
  border: 2px solid var(--surface-subtle);
  border-radius: 50%;
  background: var(--color-heading);
  box-shadow: 0 0 0 1px var(--color-heading);
}

.system-node span {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
}

.system-node small {
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.45;
}

.node-marketing { top: 2%; left: 0; }
.node-crm { top: 0; left: 50%; transform: translateX(-50%); }
.node-web { top: 4%; right: 0; text-align: right; align-items: flex-end; }
.node-conversations { bottom: 2%; left: 0; }
.node-data { bottom: 0; left: 50%; transform: translateX(-50%); }
.node-service { right: 0; bottom: 4%; text-align: right; align-items: flex-end; }

@keyframes hero-copy-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-image-in {
  from {
    opacity: 0;
    transform: scale(1.025);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes draw-system-lines {
  to {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 68rem) {
  .site-header {
    height: 5.25rem;
  }

  main {
    padding-top: 5.25rem;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: auto;
  }

  .hero-inner {
    padding: 0;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    width: min(calc(100% - (2 * var(--gutter))), var(--container));
    max-width: none;
    margin-inline: auto;
    padding: clamp(5rem, 10vh, 7rem) 0 clamp(5rem, 10vh, 7rem);
  }

  h1 {
    max-width: 15ch;
  }

  .hero-media {
    min-height: clamp(28rem, 70vw, 42rem);
  }

  .scroll-cue {
    display: none;
  }

  .fragmentation-inner {
    grid-template-columns: 1fr;
  }

  .fragmentation-copy {
    max-width: 44rem;
  }

  .system-map {
    min-height: 32rem;
  }
}

@media (min-width: 68.01rem) and (max-height: 50rem) {
  .site-header {
    height: 5rem;
  }

  .hero,
  .hero-inner {
    min-height: calc(100svh - 5rem);
  }

  .hero-copy {
    padding-top: 3.5rem;
    padding-bottom: 5.5rem;
  }

  .hero-copy::before {
    margin-bottom: 2rem;
  }

  h1 {
    font-size: clamp(2.75rem, 4vw, 3.8rem);
  }

  .hero-copy p {
    margin-top: 1.75rem;
    font-size: 1.05rem;
  }

  .hero-actions {
    margin-top: 2rem;
  }
}

@media (max-width: 36rem) {
  .site-header.is-scrolled {
    top: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    height: 4.5rem;
  }

  .header-actions {
    gap: 0;
  }

  .header-cta {
    min-height: 2.5rem;
    padding-inline: 1rem;
    font-size: 0.78rem;
  }

  .brand img {
    width: 6.75rem;
  }

  .hero-copy::before {
    margin-bottom: 2rem;
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.35rem);
  }

  .hero-copy p {
    font-size: 1.05rem;
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .hero-media {
    min-height: 25rem;
  }

  .fragmentation {
    min-height: auto;
  }

  .fragmentation h2 {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

  .system-map {
    min-height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.25rem;
  }

  .system-lines,
  .system-knot {
    display: none;
  }

  .system-node {
    position: static;
    width: auto;
    min-height: 7rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-line);
    align-items: flex-start;
    text-align: left;
    transform: none;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}