:root {
  --ink: #111827;
  --ink-soft: #4b5563;
  --ink-muted: #6b7280;
  --paper: #f7fafc;
  --surface: #ffffff;
  --surface-soft: #eef4f6;
  --surface-tint: #e6f3f2;
  --line: rgba(17, 24, 39, 0.11);
  --line-strong: rgba(17, 24, 39, 0.18);
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #d7f1ed;
  --graphite: #1f2937;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 22px 70px rgba(15, 23, 42, 0.1);
  --shadow-card: 0 16px 42px rgba(15, 23, 42, 0.07);
  --font-display: "Satoshi", "Aptos Display", "Segoe UI", sans-serif;
  --font-body: "Aptos", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(238, 244, 246, 0.88), rgba(247, 250, 252, 0.96) 34rem),
    linear-gradient(90deg, rgba(17, 24, 39, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 64px 64px, auto;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(17, 24, 39, 0.025) 1px, transparent 1px);
  background-size: 100% 13px;
  mix-blend-mode: multiply;
}

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

button,
input,
textarea {
  font: inherit;
}

main {
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--surface);
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.34);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: min(100% - 2rem, 1320px);
  margin: 1rem auto 0;
  padding: 0.62rem;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.7rem;
  padding: 0 1rem 0 0.18rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 780;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 12px;
  background: var(--graphite);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a,
.nav-toggle {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0.72rem 0.9rem;
  font-size: 0.94rem;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.nav-toggle:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.site-nav a:active,
.button:active,
.nav-toggle:active {
  transform: translateY(1px) scale(0.99);
}

.site-nav .nav-cta {
  background: var(--ink);
  color: var(--surface);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.16);
}

.site-nav .nav-cta:hover {
  background: var(--accent-dark);
  color: var(--surface);
}

.nav-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 5.5rem);
  width: min(100% - 2rem, 1320px);
  margin: 0 auto;
  min-height: min(820px, calc(100dvh - 5rem));
  padding: clamp(2.75rem, 6vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4.75rem);
}

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

.eyebrow,
.card-eyebrow,
.footer-label {
  margin: 0 0 0.9rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: 0;
  line-height: 1;
  text-wrap: balance;
}

h1 {
  max-width: 720px;
  margin-bottom: 1.45rem;
  font-size: clamp(2.8rem, 4.35vw, 4.7rem);
  font-weight: 780;
  line-height: 1.04;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.15rem, 4.15vw, 4.9rem);
  font-weight: 760;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.25rem, 1.75vw, 1.8rem);
  font-weight: 720;
  line-height: 1.08;
}

.hero-text,
.section-header p,
.cta-band p,
.site-footer p {
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.25vw, 1.18rem);
}

.hero-text {
  max-width: 730px;
  margin-bottom: 2rem;
  text-wrap: pretty;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  padding: 0.88rem 1.18rem;
  font-weight: 760;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button.primary {
  background: var(--accent);
  color: var(--surface);
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.2);
}

.button.primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 18px 38px rgba(15, 118, 110, 0.26);
}

.button.primary.light {
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

.button.secondary:hover {
  border-color: rgba(15, 118, 110, 0.32);
  background: var(--surface);
  color: var(--accent-dark);
}

.hero-visual {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 244, 246, 0.92)),
    var(--surface);
  box-shadow: var(--shadow-soft);
  color: var(--ink);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 4.8rem 1.25rem 1.25rem;
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 24px;
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(15, 118, 110, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
}

.panel-topline {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-grid {
  position: absolute;
  inset: 5.85rem 1.9rem 1.9rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 0.85rem;
}

.signal-grid span {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
}

.system-node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 8.6rem;
  min-height: 4.75rem;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.09);
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary-node {
  left: 9%;
  top: 27%;
  background: var(--accent);
  color: var(--surface);
}

.node-two {
  right: 13%;
  top: 38%;
}

.node-three {
  left: 22%;
  bottom: 18%;
}

.node-four {
  right: 9%;
  bottom: 10%;
  background: var(--accent-soft);
}

.section-header,
.split-section,
.about-layout,
.contact-layout,
.service-grid,
.timeline,
.industry-grid,
.metrics-band,
.cta-band {
  width: min(100% - 2rem, 1320px);
  margin-inline: auto;
}

.section-header {
  max-width: 850px;
  margin-top: clamp(4.5rem, 8vw, 7.5rem);
  margin-bottom: 2rem;
  margin-left: max(1rem, calc((100% - min(100% - 2rem, 1320px)) / 2));
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-bottom: clamp(4.5rem, 8vw, 7.5rem);
}

.service-card {
  grid-column: span 2;
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-card);
  padding: clamp(1.35rem, 2.25vw, 2rem);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.26);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.1);
}

.service-card:nth-child(4n + 1) {
  grid-column: span 3;
}

.service-card:nth-child(4n + 2) {
  grid-column: span 3;
  margin-top: 1.75rem;
}

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

.service-card ul,
.about-panel ul,
.contact-card ul {
  display: grid;
  gap: 0.55rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.service-card li,
.about-panel li,
.contact-card li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.service-card li::before,
.about-panel li::before,
.contact-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
}

.metrics-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--line);
  box-shadow: var(--shadow-card);
}

.metrics-band div {
  min-height: 220px;
  background: var(--graphite);
  color: var(--surface);
  padding: clamp(1.4rem, 3vw, 2.35rem);
}

.metrics-band strong {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(2.45rem, 4.8vw, 4.7rem);
  font-weight: 760;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.metrics-band span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--surface);
  font-weight: 760;
}

.metrics-band p {
  max-width: 28ch;
  color: rgba(255, 255, 255, 0.68);
}

.split-section,
.about-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  margin-top: clamp(4.5rem, 8vw, 7.5rem);
  margin-bottom: clamp(4.5rem, 8vw, 7.5rem);
}

.split-section .section-header,
.about-layout .section-header {
  width: auto;
  margin: 0;
}

.principles-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.principles-list p {
  margin: 0;
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.26rem);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: clamp(4.5rem, 8vw, 7.5rem);
}

.timeline-item,
.industry-card,
.about-panel,
.contact-card,
.assessment-form {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-card);
  padding: clamp(1.35rem, 2.25vw, 2rem);
}

.timeline-item {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 1rem;
  min-height: 220px;
}

.timeline-item span,
.industry-number {
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
}

.timeline-item p,
.industry-card p,
.about-panel p,
.contact-card p {
  color: var(--ink-soft);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: clamp(4.5rem, 8vw, 7.5rem);
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.industry-card {
  min-height: 360px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(238, 244, 246, 0.72));
}

.industry-card h3 {
  margin-top: 4.5rem;
}

.about-panel {
  min-height: 410px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(230, 243, 242, 0.58)),
    var(--surface);
}

.contact-layout {
  align-items: start;
}

.contact-card,
.assessment-form {
  min-height: 100%;
}

.assessment-form {
  display: grid;
  gap: 1rem;
  background: var(--graphite);
  color: var(--surface);
}

.assessment-form label {
  display: grid;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 760;
}

.assessment-form input,
.assessment-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: var(--surface);
  outline: 0;
  padding: 0.95rem 1rem;
}

.assessment-form input::placeholder,
.assessment-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.assessment-form textarea {
  resize: vertical;
}

.assessment-form input:focus,
.assessment-form textarea:focus {
  border-color: rgba(215, 241, 237, 0.86);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.22);
}

.assessment-form .button {
  width: fit-content;
  margin-top: 0.5rem;
}

.form-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
}

.form-note a {
  color: var(--surface);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-top: clamp(4.5rem, 8vw, 7.5rem);
  margin-bottom: clamp(4.5rem, 8vw, 7.5rem);
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 30px;
  background:
    linear-gradient(135deg, var(--graphite), #0f2f2d),
    var(--graphite);
  box-shadow: var(--shadow-soft);
  color: var(--surface);
  padding: clamp(1.6rem, 4vw, 3rem);
}

.cta-band h2,
.cta-band .eyebrow {
  color: var(--surface);
}

.cta-band p {
  max-width: 800px;
  color: rgba(255, 255, 255, 0.7);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(220px, 0.4fr);
  gap: 2rem;
  width: min(100% - 2rem, 1320px);
  margin: 0 auto 1rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0;
}

.footer-brand {
  padding-left: 0;
}

.footer-links {
  display: grid;
  gap: 0.55rem;
}

.footer-links a,
.site-footer a {
  color: var(--ink-soft);
}

.footer-links a:hover,
.site-footer a:hover {
  color: var(--accent-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1), transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--index, 0) * 70ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero,
  .split-section,
  .about-layout,
  .contact-layout,
  .cta-band,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 480px;
  }

  .service-card,
  .service-card:nth-child(4n + 1),
  .service-card:nth-child(4n + 2) {
    grid-column: span 3;
    margin-top: 0;
  }

  .metrics-band,
  .timeline {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    border-radius: 24px;
    flex-wrap: wrap;
    top: 0.5rem;
  }

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

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
  }

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

  .site-nav a {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.85rem, 14vw, 4.7rem);
  }

  .hero {
    width: min(100% - 1rem, 1320px);
    padding-top: 3rem;
  }

  .section-header,
  .split-section,
  .about-layout,
  .contact-layout,
  .service-grid,
  .timeline,
  .industry-grid,
  .metrics-band,
  .cta-band,
  .site-footer {
    width: min(100% - 1rem, 1320px);
  }

  .section-header {
    margin-left: auto;
  }

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

  .service-card,
  .service-card:nth-child(4n + 1),
  .service-card:nth-child(4n + 2) {
    grid-column: auto;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .industry-grid {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .industry-card {
    min-height: auto;
  }

  .industry-card h3 {
    margin-top: 2rem;
  }

  .hero-visual {
    min-height: 390px;
  }

  .system-node {
    min-width: 6.7rem;
    min-height: 4.2rem;
    font-size: 0.68rem;
  }
}