:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-alt: #f1efe7;
  --ink: #17171c;
  --muted: #5c5e68;
  --line: #e4e1d8;
  --accent: #332f82;
  --accent-hover: #26235f;
  --accent-active: #1f1c4e;
  --accent-tint: #edecf8;
  --accent-border: rgba(51, 47, 130, 0.35);
  --gold: #af8a4e;
  --brand-blue: #2f5fdb;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(23, 23, 28, 0.06);
  --shadow-md: 0 4px 12px rgba(23, 23, 28, 0.08);
  --shadow-lg: 0 12px 32px rgba(23, 23, 28, 0.1);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 560;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- layout shells ---------- */

.nav-shell,
.section-inner,
.footer-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-inner {
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--space-9) 0;
}

.section.soft {
  background: var(--surface-alt);
}

.section.dark {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
}

.section.dark h2,
.section.dark strong {
  color: var(--bg);
}

.section.dark p {
  color: rgba(247, 246, 242, 0.68);
}

.section-heading {
  max-width: 640px;
  margin-bottom: var(--space-7);
}

.section-heading h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.section-heading p {
  color: var(--muted);
  font-size: 1.0625rem;
}

.section.dark .section-heading p {
  color: rgba(247, 246, 242, 0.68);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

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

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(247, 246, 242, 0.86);
  backdrop-filter: blur(14px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: auto;
  flex-shrink: 0;
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1;
}

.brand-primary {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.brand-secondary {
  position: relative;
  display: inline-block;
  width: fit-content;
  padding-bottom: 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.brand-secondary::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--brand-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  transition: background-color 150ms ease, color 150ms ease;
}

.nav-link:hover {
  background: var(--accent-tint);
  color: var(--accent);
}

.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.dropdown-trigger:hover {
  background: var(--accent-tint);
  color: var(--accent);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  width: 268px;
  padding: var(--space-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease, transform 150ms ease;
  transform-origin: top center;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background-color 150ms ease, color 150ms ease;
}

.dropdown-menu a:hover {
  background: var(--accent-tint);
  color: var(--accent);
}

.dropdown-menu a:hover .icon-box {
  background: var(--accent);
  color: #fff;
}

.dropdown-menu a[href$="services.html"] {
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
  padding-bottom: 13px;
  font-weight: 650;
}

.dropdown-menu .icon-box {
  width: 32px;
  height: 32px;
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  color: var(--accent);
  transition: background-color 150ms ease, color 150ms ease;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links .nav-mobile-cta {
  display: none;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

/* ---------- buttons ---------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease, border-color 150ms ease;
}

.button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
}

.button:active {
  background: var(--accent-active);
  border-color: var(--accent-active);
  transform: translateY(0);
  transition-duration: 80ms;
}

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

.button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(23, 23, 28, 0.18);
}

.button.ghost:hover {
  background: var(--accent-tint);
  border-color: var(--accent);
  color: var(--accent);
}

.button.ghost:active {
  background: #e2e0f2;
}

.section.dark .button.ghost {
  color: var(--bg);
  border-color: rgba(247, 246, 242, 0.28);
}

.section.dark .button.ghost:hover {
  background: rgba(247, 246, 242, 0.1);
  border-color: rgba(247, 246, 242, 0.5);
  color: var(--bg);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  padding: var(--space-8) 0 var(--space-9);
  border-bottom: 1px solid var(--line);
}

.hero.short {
  padding: var(--space-7) 0 var(--space-8);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.hero-inner.single {
  grid-template-columns: 1fr;
  max-width: 760px;
}

.hero-copy .eyebrow {
  margin-bottom: var(--space-4);
}

.hero-copy h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  line-height: 1.12;
  margin-bottom: var(--space-4);
  max-width: 16ch;
}

.hero-copy .lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: var(--space-6);
}

.hero-points {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-7);
  max-width: 560px;
}

.hero-points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--ink);
}

.hero-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 6px;
  flex-shrink: 0;
  background: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* service index panel replacing the "fake dashboard" visual */

.service-index {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.service-index-head {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.service-index-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--line);
  transition: background-color 150ms ease;
}

.service-index-row:first-of-type {
  border-top: none;
}

.service-index-row:hover {
  background: var(--surface-alt);
}

.service-index-row:hover h3 {
  color: var(--accent);
}

.service-index-row:hover .icon-box {
  background: var(--accent);
  color: #fff;
}

.service-index-row h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.service-index-row p {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- hero photo background ---------- */

.hero.photo {
  position: relative;
  border-bottom: none;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.hero.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(115deg, rgba(15, 14, 36, 0.94) 0%, rgba(51, 47, 130, 0.82) 45%, rgba(15, 14, 36, 0.68) 100%);
}

.hero.photo .hero-inner {
  position: relative;
  z-index: 1;
}

.hero.photo .eyebrow {
  color: var(--gold);
}

.hero.photo .eyebrow::before {
  background: var(--gold);
}

.hero.photo .hero-copy h1 {
  color: #fff;
}

.hero.photo .hero-copy .lead {
  color: rgba(247, 246, 242, 0.8);
}

.hero.photo .hero-points li {
  color: rgba(247, 246, 242, 0.92);
  border-top-color: rgba(247, 246, 242, 0.18);
}

.hero.photo .hero-points li::before {
  background: var(--gold);
}

.hero.photo .button.ghost {
  color: #fff;
  border-color: rgba(247, 246, 242, 0.32);
}

.hero.photo .button.ghost:hover {
  background: rgba(247, 246, 242, 0.12);
  border-color: rgba(247, 246, 242, 0.55);
  color: #fff;
}

.hero.photo .service-index,
.hero.photo .info-panel {
  box-shadow: var(--shadow-lg);
}

/* ---------- trust strip marquee ---------- */

.trust-strip-outer {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: var(--space-8);
  padding: var(--space-5) var(--space-4);
  animation: marquee-scroll 32s linear infinite;
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.trust-item svg,
.trust-item i {
  color: var(--accent);
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
}

/* ---------- feature band ---------- */

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.feature-panel h2 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  margin: var(--space-3) 0 var(--space-4);
  line-height: 1.18;
}

.feature-panel p {
  color: var(--muted);
  margin-bottom: var(--space-4);
}

.capability-map {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.capability-item + .capability-item {
  margin-top: var(--space-3);
}

.capability-item:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.capability-item:hover .icon-box {
  background: var(--accent);
  color: #fff;
}

.capability-item h3 {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.capability-item p {
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ---------- stepper motion (capability-map + process cards) ---------- */

.stepper-item {
  position: relative;
  overflow: hidden;
  transition-delay: var(--stagger, 0ms);
}

.stepper-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 700ms ease;
  transition-delay: var(--stagger, 0ms);
}

.stepper-item.visible::before {
  transform: scaleX(1);
}

.step-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.capability-item .step-number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  margin: 0;
}

/* ---------- cards ---------- */

.card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-border);
}

.card:hover .icon-box {
  background: var(--accent);
  color: #fff;
}

.card .icon-box {
  margin-bottom: var(--space-4);
}

.card h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-2);
}

.card p {
  color: var(--muted);
  font-size: 0.9375rem;
  flex: 1;
}

.card.dark-card {
  background: var(--ink);
  border-color: rgba(247, 246, 242, 0.12);
}

.card.dark-card h3 {
  color: var(--bg);
}

.card.dark-card p {
  color: rgba(247, 246, 242, 0.64);
}

.card.dark-card .icon-box {
  background: rgba(247, 246, 242, 0.1);
  color: var(--bg);
}

.service-card-footer {
  display: flex;
  gap: var(--space-2);
  margin: var(--space-4) 0;
  flex-wrap: wrap;
}

.service-chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-tint);
  color: var(--accent);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  position: relative;
  width: fit-content;
}

.card-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.card:hover .card-link::after {
  transform: scaleX(1);
}

/* ---------- insight / dark band ---------- */

.insight-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.insight-row > div {
  padding-top: var(--space-5);
  border-top: 1px solid rgba(247, 246, 242, 0.16);
}

.insight-row strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

/* ---------- metrics ---------- */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.metric {
  padding: var(--space-5) 0 0;
  border-top: 1px solid var(--line);
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.metric span {
  color: var(--muted);
  font-size: 0.875rem;
}

/* ---------- split / image frame ---------- */

.split h2 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  margin: var(--space-3) 0 var(--space-4);
  line-height: 1.18;
}

.split .muted {
  color: var(--muted);
  margin-bottom: var(--space-5);
}

.industry-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.875rem;
  font-weight: 500;
}

.pill svg,
.pill i {
  color: var(--accent);
}

.info-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  box-shadow: var(--shadow-sm);
}

.info-panel .quote {
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: var(--space-6);
}

.info-panel-facts {
  display: flex;
  flex-direction: column;
}

.info-panel-facts div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
}

.info-panel-facts div:first-child {
  border-top: none;
  padding-top: 0;
}

.info-panel-facts span:first-child {
  color: var(--muted);
}

.info-panel-facts span:last-child {
  font-weight: 600;
}

.info-panel .pill {
  margin: 4px 8px 4px 0;
}

.info-panel-tags {
  display: flex;
  flex-wrap: wrap;
}

/* ---------- CTA band ---------- */

.cta-section {
  padding: var(--space-8) 0;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-7);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  margin: var(--space-2) 0;
}

.cta-band p {
  color: var(--muted);
  max-width: 460px;
}

.cta-band.photo {
  position: relative;
  overflow: hidden;
  border: none;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.cta-band.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(115deg, rgba(15, 14, 36, 0.92) 0%, rgba(51, 47, 130, 0.78) 55%, rgba(15, 14, 36, 0.62) 100%);
}

.cta-band.photo > * {
  position: relative;
  z-index: 1;
}

.cta-band.photo .eyebrow {
  color: var(--gold);
}

.cta-band.photo .eyebrow::before {
  background: var(--gold);
}

.cta-band.photo h2 {
  color: #fff;
}

.cta-band.photo p {
  color: rgba(247, 246, 242, 0.8);
}

/* ---------- comparison ---------- */

.comparison {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comparison-row + .comparison-row {
  border-top: 1px solid var(--line);
}

.comparison-row > div {
  padding: var(--space-5);
}

.comparison-row > div:first-child {
  border-right: 1px solid var(--line);
  color: var(--muted);
}

.comparison-row > div:last-child strong {
  color: var(--accent);
}

.comparison-row strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9375rem;
}

.comparison-row p {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---------- service detail: architecture / checklist / timeline ---------- */

.architecture {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.arch-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 0.875rem;
  font-weight: 500;
}

.arch-node small {
  color: var(--muted);
  font-weight: 600;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
}

.check-list li:first-child {
  border-top: none;
}

.check-list svg,
.check-list i {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: none;
  padding-top: 0;
}

.timeline-item > strong {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--accent);
}

.timeline-item > div > strong {
  display: block;
  margin-bottom: 4px;
}

.timeline-item p {
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ---------- contact ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-7);
  align-items: start;
}

.form-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-7);
}

.form-panel-head {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.form-panel-head h2 {
  font-size: 1.375rem;
  margin-bottom: 6px;
}

.form-panel-head p {
  color: var(--muted);
  font-size: 0.9375rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  padding: 12px 14px;
  border: 1px solid #cad2da;
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 150ms ease, outline-color 150ms ease;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 3px solid var(--accent-tint);
  border-color: var(--accent);
}

/* ---------- custom select ---------- */

.custom-select {
  position: relative;
}

.custom-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 12px 14px;
  border: 1px solid #cad2da;
  border-radius: var(--radius-sm);
  background: var(--surface);
  font: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.custom-select-trigger svg,
.custom-select-trigger i {
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 200ms ease;
}

.custom-select-value.is-placeholder {
  color: #6b7280;
}

.custom-select.open .custom-select-trigger svg,
.custom-select.open .custom-select-trigger i {
  transform: rotate(180deg);
}

.custom-select-trigger:focus-visible,
.custom-select.open .custom-select-trigger {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

.custom-select-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 30;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms;
}

.custom-select.open .custom-select-list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-select-list li {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.custom-select-list li:hover,
.custom-select-list li:focus,
.custom-select-list li.active {
  background: var(--accent-tint);
  color: var(--accent);
  outline: none;
}

.custom-select-native {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.success-message {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--accent-tint);
  color: var(--accent-hover);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
}

.success-message.visible {
  display: block;
}

.contact-panel {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
}

.contact-panel h2 {
  color: var(--bg);
  font-size: 1.375rem;
  margin-bottom: var(--space-2);
}

.contact-panel > p {
  color: rgba(247, 246, 242, 0.64);
  font-size: 0.9375rem;
  margin-bottom: var(--space-6);
}

.contact-detail {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(247, 246, 242, 0.14);
}

.contact-detail:first-of-type {
  border-top: none;
}

.contact-detail svg,
.contact-detail i {
  color: var(--accent-tint);
  flex-shrink: 0;
}

.contact-detail strong {
  color: var(--bg);
  font-size: 0.9375rem;
}

.contact-detail a,
.contact-detail p {
  color: rgba(247, 246, 242, 0.72);
  font-size: 0.9375rem;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--ink);
  color: rgba(247, 246, 242, 0.68);
  padding: var(--space-8) 0 var(--space-5);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
}

.footer-brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer-brand-lockup .brand-icon {
  width: 34px;
  height: auto;
}

.footer-brand-lockup .brand-primary {
  color: var(--bg);
}

.footer-brand-lockup .brand-secondary {
  color: rgba(247, 246, 242, 0.55);
}

.footer-tagline {
  font-size: 0.8125rem;
  color: rgba(247, 246, 242, 0.5);
  margin-bottom: var(--space-3);
}

.footer-col h3 {
  font-family: var(--font-body);
  color: var(--bg);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.9375rem;
  padding: 6px 0;
  color: rgba(247, 246, 242, 0.68);
  transition: color 150ms ease;
}

.footer-col a:hover {
  color: var(--bg);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(247, 246, 242, 0.12);
  font-size: 0.8125rem;
  color: rgba(247, 246, 242, 0.48);
}

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

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

  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    inset: 78px 0 0 0;
    background: var(--bg);
    padding: var(--space-5);
    overflow-y: auto;
    gap: var(--space-2);
  }

  body.nav-open .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    width: 100%;
    box-shadow: none;
    display: none;
  }

  body.nav-open .dropdown:focus-within .dropdown-menu,
  body.nav-open .dropdown.open .dropdown-menu {
    display: flex;
  }

  body.nav-open .nav-mobile-cta {
    display: inline-flex;
    margin-top: var(--space-4);
  }

  .hero-inner,
  .feature-band,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .insight-row,
  .metric-grid,
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-row > div:first-child {
    border-right: none;
    background: var(--surface-alt);
  }
}

@media (max-width: 680px) {
  .brand {
    min-width: 0;
  }

  .header-actions .button {
    display: none;
  }

  .grid.two,
  .grid.three,
  .grid.four,
  .insight-row,
  .metric-grid,
  .form-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}