:root {
  --ink: #12324a;
  --muted: #57758b;
  --paper: #f5fbff;
  --surface: #ffffff;
  --accent: #58bcea;
  --accent-dark: #1685bc;
  --accent-soft: #cceeff;
  --line: rgba(22, 133, 188, 0.2);
  --page-glow: rgba(88, 188, 234, 0.24);
  --card-background: rgba(255, 255, 255, 0.78);
  --nav-button-bg: var(--ink);
  --nav-button-color: var(--surface);
  --radius: 1.5rem;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --ink: #eaf8ff;
  --muted: #a3c2d3;
  --paper: #071722;
  --surface: #0e2635;
  --accent: #65c8f4;
  --accent-dark: #8bd9fa;
  --accent-soft: #153f54;
  --line: rgba(139, 217, 250, 0.22);
  --page-glow: rgba(50, 156, 207, 0.2);
  --card-background: rgba(14, 38, 53, 0.8);
  --nav-button-bg: var(--accent);
  --nav-button-color: #071722;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-color: color-mix(in srgb, var(--paper) 95%, black 5%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header,
.site-footer,
main {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 2.25rem;
  font-weight: 850;
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand-uri {
  color: var(--accent);
}

.brand-comms {
  margin-left: 0.16em;
  color: white;
  -webkit-text-stroke: 1.2px var(--accent);
  paint-order: stroke fill;
  text-shadow:
    1px 0 var(--accent),
    -1px 0 var(--accent),
    0 1px var(--accent),
    0 -1px var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.92rem;
  font-weight: 650;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--accent-dark);
}

.site-nav .nav-cta {
  padding: 0.65rem 1.05rem;
  color: var(--nav-button-color);
  background: var(--nav-button-bg);
  border-radius: 999px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  font: inherit;
  cursor: pointer;
}

.theme-toggle-track {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background 180ms ease;
}

.theme-toggle-thumb {
  position: absolute;
  top: 0.2rem;
  left: 0.2rem;
  width: 1rem;
  height: 1rem;
  background: var(--accent-dark);
  border-radius: 50%;
  transition: transform 180ms ease, background 180ms ease;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-thumb {
  background: var(--accent);
  transform: translateX(1.2rem);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 0.4rem;
  border-radius: 999px;
}

.hero {
  min-height: 42rem;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.55fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: 6rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 1.75rem;
  font-size: clamp(3.3rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h2 {
  max-width: 700px;
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 4.2vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h3 {
  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 2.25rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.8rem 1.35rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 750;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-secondary:hover {
  background: var(--surface);
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 23rem;
  padding: 2rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status-dot {
  display: block;
  width: 0.65rem;
  height: 0.65rem;
  margin-bottom: 3rem;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0.4rem rgba(88, 188, 234, 0.14);
}

.card-label {
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card-value {
  font-size: 1.8rem;
  font-weight: 750;
  line-height: 1.15;
}

.signal-lines {
  position: absolute;
  right: -1rem;
  bottom: -2rem;
  left: -1rem;
  display: flex;
  align-items: end;
  gap: 0.55rem;
  height: 7rem;
  opacity: 0.42;
  transform: rotate(-4deg);
}

.signal-lines span {
  flex: 1;
  background: var(--accent);
  border-radius: 999px 999px 0 0;
}

.signal-lines span:nth-child(1) {
  height: 35%;
}

.signal-lines span:nth-child(2) {
  height: 80%;
}

.signal-lines span:nth-child(3) {
  height: 52%;
}

.signal-lines span:nth-child(4) {
  height: 100%;
}

.section {
  padding-block: clamp(4rem, 9vw, 7rem);
  border-top: 1px solid var(--line);
}

.split-section,
.section-heading,
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
}

.section-copy,
.section-heading > p,
.contact-details {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading {
  align-items: end;
  margin-bottom: 3rem;
}

.section-heading > p {
  max-width: 480px;
  margin-bottom: 1rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  min-height: 21rem;
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--card-background);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 180ms ease, background 180ms ease;
}

.service-card:hover {
  transform: translateY(-0.35rem);
  background: var(--surface);
}

.service-card p {
  color: var(--muted);
}

.service-card a {
  margin-top: auto;
  font-weight: 750;
}

.proof-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  width: 100%;
  padding-inline: clamp(1rem, 3vw, 2.5rem);
  text-align: center;
  border-right: 1px solid var(--line);
}

.proof-item:first-child {
  padding-left: 0;
}

.proof-item:last-child {
  padding-right: 0;
  border-right: 0;
}

.proof-item strong {
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.06em;
}

.proof-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.logo-carousel {
  position: relative;
  --visible-logos: 4;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.logo-carousel-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.client-logo {
  flex: 0 0 calc(var(--logo-carousel-width) / var(--visible-logos));
  width: calc(var(--logo-carousel-width) / var(--visible-logos));
  min-height: 9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem;
  color: var(--muted);
  background: var(--card-background);
  border-right: 1px solid var(--line);
  font-size: clamp(0.9rem, 1.7vw, 1.25rem);
  letter-spacing: 0.05em;
  text-align: center;
  transition: color 160ms ease, background 160ms ease;
}

.client-logo:hover {
  color: var(--ink);
  background: var(--surface);
}

.client-logo-image {
  display: grid;
  width: min(8rem, 80%);
  height: 4rem;
  place-items: center;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 0.75rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.client-logo strong {
  color: var(--accent);
  font-weight: 900;
  line-height: 1.2;
}

.client-logo img {
  display: block;
  width: min(8rem, 80%);
  max-width: 100%;
  height: 4rem;
  object-fit: contain;
}

.logo-carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 900;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 160ms ease, transform 160ms ease;
}

.logo-carousel-arrow--previous {
  left: 0.75rem;
}

.logo-carousel-arrow--next {
  right: 0.75rem;
}

.logo-carousel-arrow:hover {
  background: var(--accent-soft);
  transform: translateY(calc(-50% - 2px));
}

.logo-carousel-arrow:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.video-carousel {
  position: relative;
}

.video-carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border-radius: var(--radius);
}

.video-carousel-track::-webkit-scrollbar {
  display: none;
}

.youtube-widget {
  position: relative;
  flex: 0 0 100%;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(16rem, 1fr);
  background: var(--accent);
  border-radius: var(--radius);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.youtube-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #050807;
}

.youtube-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.youtube-caption {
  align-self: center;
  padding: clamp(2rem, 5vw, 4rem);
  color: white;
}

.youtube-caption p:last-child {
  color: rgba(255, 255, 255, 0.82);
}

.carousel-arrows {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  gap: 0.5rem;
}

.carousel-arrows a {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease;
}

.carousel-arrows a:hover {
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.carousel-arrows a:focus-visible,
.carousel-dots a:focus-visible {
  outline: 2px solid white;
  outline-offset: 3px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.carousel-dots a {
  overflow: hidden;
  width: 0.7rem;
  height: 0.7rem;
  color: transparent;
  background: var(--line);
  border: 1px solid var(--accent);
  border-radius: 50%;
}

.carousel-dots a:hover {
  background: var(--accent);
}

.contact-section {
  margin-bottom: 4rem;
  padding-inline: clamp(2rem, 6vw, 5rem);
  color: white;
  background: var(--accent);
  border: 0;
  border-radius: var(--radius);
}

.contact-section .eyebrow {
  color: white;
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
}

.contact-details a {
  margin: 0.5rem 0 1rem;
  color: white;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  border-bottom: 2px solid white;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 7rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 800px) {
  .site-header {
    min-height: 4.75rem;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .site-nav {
    gap: 0.8rem;
  }

  .theme-toggle-text {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 4.5rem;
  }

  .hero-card {
    min-height: 18rem;
  }

  .status-dot {
    margin-bottom: 3.5rem;
  }

  .split-section,
  .section-heading,
  .contact-section,
  .youtube-widget {
    grid-template-columns: 1fr;
  }

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

  .service-card {
    min-height: 17rem;
  }

  .proof-section {
    grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
    gap: 2.5rem 0;
  }

  .logo-carousel {
    --visible-logos: 2;
  }

  .client-logo {
    min-height: 7rem;
  }

  .youtube-caption {
    padding: 2rem 2rem 5rem;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 1.8rem;
  }

  .site-nav .nav-cta {
    display: none;
  }

  .site-header,
  .site-footer,
  main {
    width: min(100% - 2rem, 1180px);
  }

  h1 {
    font-size: 3.25rem;
  }

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

  .proof-section {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:nth-child(2) {
    padding: 0 0 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .logo-carousel {
    --visible-logos: 1;
  }

  .client-logo {
    min-height: 5.5rem;
  }
}

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

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