:root {
  --sil-ink: #071c25;
  --sil-ink-soft: #102b35;
  --sil-paper: #f4f1e9;
  --sil-paper-warm: #ebe7dd;
  --sil-rule: #c9c8bf;
  --sil-mute: #53656b;
  --sil-cyan: #16c5dd;
  --sil-teal: #2cbead;
  --sil-white: #ffffff;
}

/* Global WhatsApp contact: visible, accessible and clear of mobile safe areas. */
.whatsapp-float {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 140;
  display: grid;
  width: 3.75rem;
  height: 3.75rem;
  place-items: center;
  color: #fff !important;
  background: #20b858;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(7, 28, 37, 0.3);
  text-decoration: none !important;
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

.whatsapp-float svg {
  width: 1.9rem;
  height: 1.9rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.whatsapp-float:hover {
  color: #fff !important;
  background: #159947;
  box-shadow: 0 16px 34px rgba(7, 28, 37, 0.34);
  transform: translateY(-3px);
}

.whatsapp-float:focus-visible {
  outline: 3px solid var(--sil-cyan);
  outline-offset: 4px;
}

@media (max-width: 480px) {
  .whatsapp-float {
    right: max(0.9rem, env(safe-area-inset-right));
    bottom: max(0.9rem, env(safe-area-inset-bottom));
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    transition: none;
  }
}

/* Service navigation added to every existing page. */
.services-menu {
  position: relative;
}

.services-menu details,
.services-menu summary {
  margin: 0;
}

.services-menu summary {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
}

.services-menu summary::-webkit-details-marker {
  display: none;
}

.services-menu summary span {
  color: var(--sil-cyan);
  font-size: 0.9em;
  transition: transform 160ms ease;
}

.services-menu details[open] > summary span {
  transform: rotate(180deg);
}

.services-submenu {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 16.75rem;
  margin: 0.6rem 0 0;
  padding: 0.45rem;
  list-style: none;
  background: #fff;
  border: 1px solid rgba(7, 28, 37, 0.16);
  border-top: 3px solid var(--sil-cyan);
  box-shadow: 0 18px 48px rgba(7, 28, 37, 0.16);
  z-index: 100;
}

.services-submenu a {
  display: block;
  padding: 0.75rem 0.85rem;
  color: var(--sil-ink) !important;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.35;
  letter-spacing: 0.035em;
  text-decoration: none;
  border-bottom: 1px solid rgba(7, 28, 37, 0.09);
}

.services-submenu li:last-child a {
  border-bottom: 0;
}

.services-submenu a:hover,
.services-submenu a:focus-visible,
.services-submenu a[aria-current="page"] {
  background: rgba(22, 197, 221, 0.12);
  color: #075f70 !important;
}

@media (min-width: 768px) {
  .site-nav .services-submenu,
  .service-site-nav .services-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
  }

  .site-nav .services-menu details:not([open]) .services-submenu,
  .service-site-nav .services-menu details:not([open]) .services-submenu {
    display: none;
  }
}

@media (max-width: 767px) {
  .site-nav .services-menu,
  .site-nav .services-menu details,
  .site-nav .services-menu summary {
    width: 100%;
  }

  .site-nav .services-submenu {
    width: 100%;
    min-width: 0;
    margin-top: 0.7rem;
    box-shadow: none;
  }
}

/* Dedicated service page system. */
.service-page,
.service-page * {
  box-sizing: border-box;
}

.service-page {
  margin: 0;
  background: var(--sil-paper);
  color: var(--sil-ink);
  font-family: "Archivo", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.service-page a {
  color: inherit;
}

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

.service-shell {
  width: min(73.75rem, calc(100% - 3rem));
  margin-inline: auto;
}

.service-site-nav {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(244, 241, 233, 0.96);
  border-bottom: 1px solid var(--sil-rule);
  backdrop-filter: blur(14px);
}

.service-nav-inner {
  min-height: 5.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.service-brand-logo {
  display: block;
  width: 7.25rem;
  height: auto;
}

.service-nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.service-nav-button {
  display: none;
}

.service-nav-links > ul {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-nav-links > ul > li > a,
.service-nav-links > ul > li > details > summary {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  text-decoration: none;
}

.service-nav-links > ul > li > a:hover,
.service-nav-links > ul > li > a:focus-visible,
.service-nav-links > ul > li > details > summary:hover {
  color: #087d91;
}

.service-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(4rem, 7vw, 6.5rem);
  color: #f6fbfc;
  background:
    linear-gradient(rgba(7, 28, 37, 0.88), rgba(7, 28, 37, 0.96)),
    repeating-linear-gradient(90deg, transparent 0 48px, rgba(22, 197, 221, 0.08) 49px 50px),
    var(--sil-ink);
}

.service-hero::after {
  content: "";
  position: absolute;
  width: 34rem;
  height: 34rem;
  right: -12rem;
  top: -15rem;
  border: 1px solid rgba(22, 197, 221, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(44, 190, 173, 0.03), 0 0 0 10rem rgba(22, 197, 221, 0.025);
}

.service-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  align-items: end;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.service-eyebrow {
  margin-bottom: 1.1rem;
  color: var(--sil-cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.service-hero h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.9rem, 6vw, 5.75rem);
  line-height: 0.98;
  letter-spacing: -0.058em;
}

.service-hero h1.service-hero-title-wide {
  max-width: 16ch;
  font-size: clamp(2.65rem, 5.2vw, 5.1rem);
}

.service-page h1 em,
.service-page h2 em {
  color: var(--sil-cyan);
  font-style: normal;
}

.service-lead {
  max-width: 43rem;
  margin-bottom: 2rem;
  color: #b9c9ce;
  font-size: clamp(1.05rem, 1.65vw, 1.25rem);
  line-height: 1.7;
}

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

.service-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 3.35rem;
  padding: 0.95rem 1.15rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.service-button:hover,
.service-button:focus-visible {
  transform: translateY(-2px);
}

.service-button-primary {
  color: var(--sil-ink) !important;
  background: var(--sil-cyan);
  border: 1px solid var(--sil-cyan);
}

.service-button-secondary {
  color: #f5fbfc !important;
  background: transparent;
  border: 1px solid rgba(245, 251, 252, 0.4);
}

.service-button-secondary:hover {
  border-color: var(--sil-cyan);
}

.service-status {
  border: 1px solid rgba(22, 197, 221, 0.32);
  background: rgba(5, 19, 26, 0.74);
  box-shadow: 1.1rem 1.1rem 0 rgba(22, 197, 221, 0.08);
}

.service-status-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(22, 197, 221, 0.23);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.service-status-head strong {
  color: #7fe7d8;
}

.service-status-head i {
  display: inline-block;
  width: 0.48rem;
  height: 0.48rem;
  margin-right: 0.25rem;
  background: var(--sil-teal);
  border-radius: 50%;
  box-shadow: 0 0 0 0.25rem rgba(44, 190, 173, 0.12);
}

.service-status-code {
  padding: 1.7rem 1rem 1.3rem;
  color: var(--sil-cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.06em;
}

.service-status dl {
  margin: 0;
  border-top: 1px solid rgba(22, 197, 221, 0.2);
}

.service-status dl > div {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(22, 197, 221, 0.12);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.69rem;
}

.service-status dt {
  color: #789098;
  text-transform: uppercase;
}

.service-status dd {
  margin: 0;
  text-align: right;
}

.service-section {
  padding: clamp(4.5rem, 8vw, 7.25rem) 0;
}

.service-section-light {
  background:
    radial-gradient(circle at 1px 1px, rgba(7, 28, 37, 0.07) 1px, transparent 0) 0 0 / 22px 22px,
    var(--sil-paper);
}

.service-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.55fr);
  align-items: end;
  gap: 3rem;
  margin-bottom: 3.25rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--sil-rule);
}

.service-section-heading h2,
.service-stack-grid h2,
.service-faq-grid h2,
.service-proof-copy h2,
.service-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2.3rem, 4.8vw, 4.45rem);
  line-height: 1.02;
  letter-spacing: -0.052em;
}

.service-section-heading > p,
.service-copy {
  margin-bottom: 0;
  color: var(--sil-mute);
  line-height: 1.7;
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--sil-rule);
  border-left: 1px solid var(--sil-rule);
}

.deliverables-grid article {
  min-height: 14rem;
  padding: 1.6rem;
  border-right: 1px solid var(--sil-rule);
  border-bottom: 1px solid var(--sil-rule);
  background: rgba(255, 255, 255, 0.38);
}

.deliverables-grid article > span,
.process-grid li > span {
  color: #078198;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  font-weight: 600;
}

.deliverables-grid h3,
.process-grid h3 {
  margin: 2.75rem 0 0.7rem;
  font-size: 1.25rem;
}

.deliverables-grid p,
.process-grid p {
  margin-bottom: 0;
  color: var(--sil-mute);
  font-size: 0.95rem;
  line-height: 1.65;
}

.service-contract-section {
  background: #e9f2f2;
}

.service-contract-grid article {
  min-height: 12.5rem;
  background: rgba(255, 255, 255, 0.56);
}

.service-process-section {
  color: #f4fafb;
  background: var(--sil-ink);
}

.service-section-heading-dark {
  border-color: rgba(255, 255, 255, 0.16);
}

.service-section-heading-dark > p {
  color: #9cafb5;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-grid li {
  position: relative;
  min-height: 17rem;
  padding: 1.5rem 1.5rem 1.5rem 0;
  border-top: 2px solid rgba(22, 197, 221, 0.32);
}

.process-grid li:not(:last-child) {
  margin-right: 1.5rem;
}

.process-grid li::after {
  content: "";
  position: absolute;
  width: 0.65rem;
  height: 0.65rem;
  right: -0.25rem;
  top: -0.4rem;
  background: var(--sil-cyan);
  border-radius: 50%;
}

.process-grid p {
  color: #a9bbc0;
}

.service-stack-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 8vw, 7rem);
}

.service-stack-grid h2,
.service-faq-grid h2 {
  margin-bottom: 1.5rem;
}

.stack-list {
  border-top: 1px solid var(--sil-rule);
}

.stack-list article {
  display: grid;
  grid-template-columns: minmax(7rem, 0.45fr) minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--sil-rule);
}

.stack-list span {
  color: #087d91;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack-list p {
  margin: 0;
  font-weight: 600;
  line-height: 1.55;
}

.service-proof-section {
  padding: clamp(4.5rem, 8vw, 7.25rem) 0;
  color: #f3fafb;
  background: linear-gradient(115deg, #0d3340, #071c25 62%);
}

.service-proof-copy {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 3.25rem;
}

.service-proof-copy > p:last-child {
  margin-bottom: 0;
  color: #a9bbc0;
  line-height: 1.7;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.metrics-grid article {
  min-height: 12rem;
  padding: 1.6rem;
}

.metrics-grid article:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.metrics-grid strong {
  display: block;
  margin-bottom: 2.2rem;
  color: var(--sil-cyan);
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.metrics-grid span {
  color: #bdd0d5;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.55;
  text-transform: uppercase;
}

.service-proof-quote {
  margin: 0;
  padding: clamp(1.8rem, 4vw, 3.25rem);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 4px solid var(--sil-cyan);
  background: rgba(255, 255, 255, 0.035);
}

.service-proof-quote p {
  max-width: 42ch;
  margin: 0;
  color: #f4fafb;
  font-size: clamp(1.45rem, 3vw, 2.55rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.service-proof-quote footer {
  margin-top: 1.5rem;
  color: #a9bbc0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  text-transform: uppercase;
}

.service-proof-note {
  margin: 0.85rem 0 0;
  color: #80969c;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 8vw, 7rem);
}

.faq-list {
  border-top: 1px solid var(--sil-rule);
}

.faq-list details {
  border-bottom: 1px solid var(--sil-rule);
}

.faq-list summary {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  line-height: 1.4;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  color: #087d91;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.4rem;
  font-weight: 400;
  transition: transform 160ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 44rem;
  padding: 0 2.5rem 1.5rem 0;
  color: var(--sil-mute);
  line-height: 1.7;
}

.service-cta {
  padding: clamp(4rem, 7vw, 6rem) 0;
  color: #f5fbfc;
  background: var(--sil-ink);
  border-top: 4px solid var(--sil-cyan);
}

.service-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 3rem;
}

.service-cta h2 {
  max-width: 18ch;
  margin-bottom: 1rem;
}

.service-cta p:last-child {
  max-width: 43rem;
  margin-bottom: 0;
  color: #a9bbc0;
  line-height: 1.7;
}

.service-footer {
  color: #9cb0b6;
  background: #04131a;
}

.service-footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  padding-block: 3.5rem;
}

.service-footer img {
  width: 7.5rem;
  height: auto;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
  opacity: 0.88;
}

.service-footer p {
  margin: 0;
}

.service-footer nav {
  display: grid;
  gap: 0.75rem;
}

.service-footer nav a {
  color: #d1dfe2;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  text-decoration: none;
}

.service-footer nav a:hover {
  color: var(--sil-cyan);
}

.service-footer-bottom {
  padding-block: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
}

@media (max-width: 940px) {
  .service-nav-button {
    display: inline-flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.5rem;
    cursor: pointer;
  }

  .service-nav-button span {
    display: block;
    width: 1.55rem;
    height: 2px;
    background: var(--sil-ink);
  }

  .service-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem 1.5rem;
    background: var(--sil-paper);
    border-bottom: 1px solid var(--sil-rule);
    box-shadow: 0 20px 32px rgba(7, 28, 37, 0.12);
  }

  .service-nav-toggle:checked ~ .service-nav-links {
    display: block;
  }

  .service-nav-links > ul {
    width: min(100%, 46rem);
    margin-inline: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .service-nav-links > ul > li > a,
  .service-nav-links > ul > li > details > summary {
    display: flex;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--sil-rule);
  }

  .service-nav-links .services-submenu {
    min-width: 0;
    margin: 0.25rem 0 0.8rem;
    box-shadow: none;
  }

  .service-hero-grid,
  .service-section-heading,
  .service-stack-grid,
  .service-proof-copy,
  .service-faq-grid,
  .service-cta-grid {
    grid-template-columns: 1fr;
  }

  .service-status {
    max-width: 36rem;
  }

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

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .service-cta-grid {
    align-items: start;
  }
}

@media (max-width: 620px) {
  .service-shell {
    width: min(100% - 2rem, 73.75rem);
  }

  .service-nav-inner {
    min-height: 4.65rem;
  }

  .service-brand-logo {
    width: 6.25rem;
  }

  .service-hero {
    padding-top: 3.75rem;
  }

  .service-hero h1 {
    font-size: clamp(2.55rem, 13vw, 3.8rem);
  }

  .service-hero h1.service-hero-title-wide {
    max-width: 14ch;
    font-size: clamp(2.35rem, 11.5vw, 3.35rem);
  }

  .service-actions,
  .service-button {
    width: 100%;
  }

  .service-section-heading {
    gap: 1.2rem;
    margin-bottom: 2.25rem;
  }

  .service-section-heading h2,
  .service-stack-grid h2,
  .service-faq-grid h2,
  .service-proof-copy h2,
  .service-cta h2 {
    font-size: clamp(2.15rem, 10vw, 3.15rem);
  }

  .deliverables-grid,
  .process-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .deliverables-grid article {
    min-height: 12rem;
  }

  .process-grid li {
    min-height: auto;
    padding: 1.4rem 0 2.25rem;
  }

  .process-grid li:not(:last-child) {
    margin-right: 0;
  }

  .process-grid li::after {
    right: 0;
  }

  .metrics-grid article {
    min-height: auto;
  }

  .metrics-grid article:not(:last-child) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .stack-list article {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .service-footer-grid {
    flex-direction: column;
  }
}