:root,
[data-theme='light'] {
  --font-display: 'Cabinet Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Satoshi', Arial, sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.25rem, 1.4rem + 4.2vw, 5.15rem);
  --text-3xl: clamp(3rem, 1.2rem + 7vw, 8.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --color-bg: #eef0eb;
  --color-surface: #f5f6f2;
  --color-surface-strong: #e2e7df;
  --color-text: #17211d;
  --color-muted: #657069;
  --color-faint: #9ba49d;
  --color-border: rgb(23 33 29 / 16%);
  --color-dark: #16211d;
  --color-dark-soft: #26332d;
  --color-dark-muted: #b7c3ba;
  --color-accent: #0b7258;
  --color-accent-hover: #075642;
  --color-accent-soft: #d1e6da;
  --color-white: #fafbf8;
  --shadow: 0 20px 50px rgb(20 29 25 / 12%);
  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #141b18;
  --color-surface: #1a231f;
  --color-surface-strong: #26342c;
  --color-text: #e4e9e2;
  --color-muted: #aeb8b0;
  --color-faint: #758177;
  --color-border: rgb(228 233 226 / 16%);
  --color-dark: #e4e9e2;
  --color-dark-soft: #d7dfd7;
  --color-dark-muted: #4a5750;
  --color-accent: #64c29d;
  --color-accent-hover: #8ed5b8;
  --color-accent-soft: #244e3d;
  --color-white: #101714;
  --shadow: 0 20px 50px rgb(0 0 0 / 28%);
}

.shell {
  width: min(100% - var(--space-8), 1344px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
}

.nav-wrap {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: var(--color-text);
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 0.28em;
  font-family: var(--font-display);
  font-size: 1.26rem;
  font-weight: 800;
  letter-spacing: -0.075em;
}

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

.site-header .brand-name {
  font-size: 2.52rem;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-5), 3vw, var(--space-10));
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
}

.desktop-nav a,
.text-link {
  position: relative;
}

.desktop-nav a::after,
.text-link::after {
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  width: 100%;
  height: 1px;
  content: '';
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.desktop-nav a:hover::after,
.text-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-phone {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--color-accent);
}

.menu-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--color-text);
  background: transparent;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.8rem 1.1rem 0.8rem 1.25rem;
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 700;
  background: var(--color-dark);
  transition: transform var(--transition), background var(--transition);
}

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

.button:active {
  transform: translateY(0);
}

.button span {
  font-size: 1.18em;
}

.button-small {
  min-height: 42px;
  padding: 0.55rem 0.85rem 0.55rem 1rem;
}

.menu-toggle {
  display: none;
  position: relative;
}

.menu-toggle span:not(.sr-only) {
  position: absolute;
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition);
}

.menu-toggle span:nth-of-type(2) {
  transform: translateY(-4px);
}

.menu-toggle span:nth-of-type(3) {
  transform: translateY(4px);
}

.menu-toggle.is-open span:nth-of-type(2) {
  transform: rotate(45deg);
}

.menu-toggle.is-open span:nth-of-type(3) {
  transform: rotate(-45deg);
}

.mobile-menu {
  display: none;
}

.hero {
  padding-block: clamp(var(--space-12), 5vw, var(--space-24)) var(--space-16);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(var(--space-10), 5vw, var(--space-24));
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-8);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero-positioning {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 30ch;
  margin-bottom: var(--space-8);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.hero-positioning .eyebrow-dot {
  flex: 0 0 auto;
}

h1,
h2,
h3,
.outcome-main {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.065em;
}

h1 {
  max-width: 10ch;
  font-size: var(--text-3xl);
}

h1 em,
h2 em,
.outcome-main em {
  color: var(--color-accent);
  font-style: normal;
}

.hero-lead {
  max-width: 48ch;
  margin-top: var(--space-8);
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
}

.hero-art {
  position: relative;
  min-height: 575px;
  overflow: hidden;
  background: var(--color-dark);
  box-shadow: var(--shadow);
}

.hero-art::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: '';
  background: linear-gradient(180deg, rgb(0 0 0 / 5%), rgb(0 0 0 / 50%));
  pointer-events: none;
}

.hero-neural {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #0c1814;
}

.art-caption {
  position: absolute;
  z-index: 2;
  right: var(--space-6);
  bottom: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  color: #f5f7f3;
  font-size: var(--text-xs);
  line-height: 1.35;
}

.caption-index {
  color: #9de1c3;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.07em;
}

.signal {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
  color: #e8eee8;
  background: var(--color-dark);
}

.signal-grid {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: var(--space-10);
}

.signal-label {
  padding-top: 0.5em;
  color: #8fac9e;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.signal-text {
  max-width: 29ch;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1.02;
}

.signal-text span {
  color: #8ed5b8;
}

.clients-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-bottom: 1px solid var(--color-border);
}

.clients-grid {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: var(--space-10);
}

.clients-grid .eyebrow {
  margin: 0;
}

.clients-grid h2 {
  max-width: 23ch;
  font-size: clamp(2rem, 3.8vw, 4rem);
}

.clients-grid div > p {
  margin-top: var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-lg);
}

.clients-grid strong {
  color: var(--color-accent);
}

.section {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}

.split-head {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: var(--space-10);
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-24));
}

.section-intro h2,
.infra-copy h2,
.operations-copy h2,
.contact-heading h2 {
  max-width: 15ch;
  font-size: var(--text-2xl);
}

.split-head > div > p,
.scenarios-intro > p:last-child,
.operations-copy > p {
  max-width: 54ch;
  margin-top: var(--space-6);
  color: var(--color-muted);
}

.approach-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-4);
}

.principle-card {
  position: relative;
  min-height: 265px;
  padding: var(--space-8);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.principle-large {
  grid-row: span 2;
  min-height: 550px;
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  background: var(--color-surface-strong);
}

.card-number {
  display: block;
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.principle-card h3 {
  max-width: 12ch;
  margin-top: var(--space-16);
  font-size: var(--text-xl);
}

.principle-card p {
  position: relative;
  z-index: 1;
  max-width: 33ch;
  margin-top: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.system-lines {
  position: absolute;
  right: -15%;
  bottom: 7%;
  left: 8%;
  display: grid;
  gap: var(--space-4);
  transform: rotate(-13deg);
}

.system-lines span {
  display: block;
  height: 1px;
  background: color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.system-lines span:nth-child(1) { width: 74%; }
.system-lines span:nth-child(2) { width: 95%; }
.system-lines span:nth-child(3) { width: 63%; }
.system-lines span:nth-child(4) { width: 88%; }
.system-lines span:nth-child(5) { width: 78%; }

.principle-dark {
  color: #e8eee8;
  background: var(--color-dark);
  border-color: var(--color-dark);
}

.principle-dark p {
  color: #bbcabf;
}

.arrow-mark {
  position: absolute;
  right: var(--space-8);
  bottom: var(--space-6);
  color: #8ed5b8;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
}

.infrastructure {
  padding-block: clamp(var(--space-20), 8vw, var(--space-32));
  color: #e8eee8;
  background: var(--color-dark);
}

.infra-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-12), 8vw, var(--space-32));
  align-items: center;
}

.eyebrow-inverse {
  color: #8ed5b8;
}

.infra-copy h2 {
  color: #e8eee8;
}

.infra-copy h2 em {
  color: #8ed5b8;
}

.infra-copy > p {
  max-width: 50ch;
  margin-top: var(--space-8);
  color: #b7c3ba;
}

.text-link-light {
  margin-top: var(--space-8);
  color: #e8eee8;
}

.infra-map {
  position: relative;
  min-height: 420px;
  background:
    linear-gradient(rgb(255 255 255 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-core,
.map-node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  font-size: var(--text-sm);
  font-weight: 700;
}

.map-core {
  top: 50%;
  left: 50%;
  width: 132px;
  height: 132px;
  color: #11251d;
  font-family: var(--font-display);
  font-size: 2.65rem;
  letter-spacing: -0.08em;
  text-align: center;
  background:
    radial-gradient(circle at 35% 28%, #c6f6da 0 2%, transparent 23%),
    linear-gradient(145deg, #b7edcc, #71c7a1);
  border: 1px solid rgb(234 255 242 / 65%);
  border-radius: 50%;
  box-shadow:
    0 0 0 12px rgb(142 213 184 / 7%),
    0 0 42px rgb(94 214 159 / 30%);
  transform: translate(-50%, -50%);
}

.map-connections {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.map-connections line {
  stroke: rgb(142 213 184 / 42%);
  stroke-width: 0.22;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.map-signal {
  fill: #e4ffec;
  filter: drop-shadow(0 0 5px #82edbb) drop-shadow(0 0 10px rgb(82 237 187 / 75%));
}

.map-node {
  width: 92px;
  height: 40px;
  overflow: hidden;
  color: #eff9f2;
  font-size: 0.76rem;
  letter-spacing: -0.015em;
  background:
    linear-gradient(135deg, rgb(42 77 63 / 96%), rgb(20 42 33 / 98%));
  border: 1px solid rgb(174 237 203 / 34%);
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgb(229 255 239 / 14%),
    0 8px 18px rgb(0 0 0 / 19%);
}

.map-node::after {
  position: absolute;
  right: 7px;
  bottom: 6px;
  width: 14px;
  height: 1px;
  content: '';
  background: linear-gradient(90deg, rgb(147 231 187 / 8%), rgb(147 231 187 / 78%));
}

.map-node-tl { top: 8%; left: 4%; }
.map-node-top { top: 8%; left: 50%; transform: translateX(-50%); }
.map-node-tr { top: 8%; right: 4%; }
.map-node-lt { top: 35%; left: 1%; }
.map-node-lb { bottom: 22%; left: 1%; }
.map-node-rt { top: 35%; right: 1%; }
.map-node-rb { bottom: 22%; right: 1%; }
.map-node-bl { bottom: 8%; left: 4%; }
.map-node-bottom { bottom: 8%; left: 50%; transform: translateX(-50%); }
.map-node-br { right: 4%; bottom: 8%; }

@media (prefers-reduced-motion: reduce) {
  .map-signal animateMotion {
    display: none;
  }
}

.scenarios-intro {
  display: grid;
  grid-template-columns: 0.4fr 1fr 0.8fr;
  gap: var(--space-10);
  align-items: start;
  margin-bottom: var(--space-16);
}

.scenarios-intro .eyebrow {
  margin: 0;
}

.scenarios-intro > p:last-child {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
}

.scenario-library {
  border-top: 1px solid var(--color-border);
}

.scenario-block {
  border-bottom: 1px solid var(--color-border);
}

.scenario-block summary {
  display: grid;
  grid-template-columns: 0.15fr minmax(0, 1fr) 0.32fr 32px;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-8);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition), padding var(--transition);
}

.scenario-block summary::-webkit-details-marker {
  display: none;
}

.scenario-block summary:hover {
  color: var(--color-accent);
}

.scenario-block[open] summary {
  padding-bottom: var(--space-6);
  color: var(--color-accent);
}

.scenario-index {
  align-self: start;
  padding-top: 0.4em;
  color: var(--color-faint);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.scenario-name {
  display: grid;
  gap: var(--space-2);
}

.scenario-name strong {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
}

.scenario-name small {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.scenario-count {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: right;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.scenario-toggle {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  justify-self: end;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 1.3rem;
  line-height: 1;
  transition: transform var(--transition), color var(--transition), background var(--transition);
}

.scenario-block[open] .scenario-toggle {
  color: var(--color-white);
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: rotate(45deg);
}

.scenario-content {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: var(--space-10);
  padding: 0 0 var(--space-10) calc(15% + var(--space-6));
}

.scenario-brief {
  max-width: 31ch;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.scenario-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.scenario-items article {
  min-height: 136px;
  padding: var(--space-5);
  background: var(--color-surface);
}

.scenario-items h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.scenario-items p {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.scenario-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-top: var(--space-10);
}

.scenario-end p {
  max-width: 44ch;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.button-quiet {
  color: var(--color-text);
  background: var(--color-surface-strong);
}

.button-quiet:hover {
  color: var(--color-white);
}

.operations {
  padding-block: clamp(var(--space-12), 7vw, var(--space-32));
  background: var(--color-surface);
}

.operations-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(var(--space-12), 8vw, var(--space-32));
  align-items: center;
}

.operations-art {
  overflow: hidden;
}

.operations-art img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.operations-art figcaption {
  padding-top: var(--space-3);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.operations-copy h2 {
  margin-top: var(--space-2);
}

.process-list {
  display: grid;
  gap: 0;
  margin-top: var(--space-10);
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.process-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.process-list li > span {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.process-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.045em;
}

.process-list p {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.outcomes {
  color: #e8eee8;
  background: var(--color-dark);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: 0.4fr 1.1fr 0.65fr;
  gap: var(--space-10);
  align-items: start;
}

.outcomes .eyebrow {
  color: #8ed5b8;
}

.outcome-main {
  max-width: 9ch;
  color: #e8eee8;
  font-size: var(--text-2xl);
  line-height: 0.98;
}

.outcome-main em {
  color: #8ed5b8;
}

.outcome-copy p {
  color: #c5d0c7;
  font-size: var(--text-sm);
}

.outcome-copy ul {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-8);
  list-style: none;
  color: #e8eee8;
  font-size: var(--text-sm);
}

.outcome-copy li {
  display: flex;
  gap: var(--space-3);
}

.outcome-copy li::before {
  color: #8ed5b8;
  content: '↗';
}

.contact {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-10), 7vw, var(--space-24));
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  color: #e8eee8;
  background: var(--color-accent);
}

.contact-heading h2 {
  color: #f1f8f2;
}

.contact-heading h2 em {
  color: #143b2d;
}

.contact-form {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6) var(--space-4);
  align-content: start;
}

.field {
  display: grid;
  gap: var(--space-2);
}

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

.field label,
.form-success {
  color: #d8ebdf;
  font-size: var(--text-xs);
}

.field input,
.field textarea {
  padding-block: var(--space-3);
  color: #f1f8f2;
  background: transparent;
  border-bottom: 1px solid rgb(241 248 242 / 50%);
  outline: none;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #b4d3bf;
}

.field input:focus,
.field textarea:focus {
  border-color: #f1f8f2;
}

.button-light {
  width: fit-content;
  color: #173d2e;
  background: #f1f8f2;
}

.button-light:hover {
  color: #f1f8f2;
  background: #173d2e;
}

.form-success {
  align-self: center;
  line-height: 1.35;
}

.form-success {
  grid-column: 1 / -1;
  color: #f1f8f2;
  font-weight: 700;
}

.form-error {
  grid-column: 1 / -1;
  align-self: center;
  color: #173d2e;
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.35;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-phone {
  display: inline-block;
  margin-top: var(--space-8);
  color: #f1f8f2;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.contact-phone:hover {
  color: #173d2e;
}

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto auto;
  gap: var(--space-4);
  align-items: center;
}

.footer-note,
.footer-copy,
.footer-phone {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.footer-phone {
  color: var(--color-text);
  font-weight: 700;
}

.footer-phone:hover {
  color: var(--color-accent);
}

.footer-copy {
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay { transition-delay: 110ms; }
.reveal-delay-2 { transition-delay: 200ms; }

@media (max-width: 860px) {
  .shell {
    width: min(100% - var(--space-6), 1344px);
  }

  .desktop-nav,
  .desktop-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-menu {
    display: grid;
    gap: var(--space-4);
    max-height: 0;
    padding-inline: var(--space-4);
    overflow: hidden;
    background: var(--color-bg);
    transition: max-height var(--transition), padding var(--transition);
  }

  .mobile-menu.is-open {
    max-height: 420px;
    padding-block: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
  }

  .mobile-menu a:not(.button) {
    padding-block: var(--space-2);
    font-size: var(--text-base);
    font-weight: 700;
  }

  .mobile-menu .button {
    margin-top: var(--space-2);
  }

  .hero {
    padding-top: var(--space-8);
  }

  .hero-grid,
  .infra-grid,
  .operations-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-block: var(--space-4);
  }

  .hero-art {
    min-height: 440px;
  }

  .split-head,
  .signal-grid,
  .clients-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .signal-label {
    padding: 0;
  }

  .scenarios-intro {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .scenarios-intro .eyebrow {
    margin-bottom: var(--space-2);
  }

  .approach-layout {
    grid-template-columns: 1fr;
  }

  .principle-large {
    grid-row: auto;
    min-height: 400px;
  }

  .principle-card {
    min-height: 265px;
  }

  .infra-map {
    min-height: 340px;
  }

  .outcomes-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .footer-copy {
    text-align: left;
  }
}

@media (max-width: 580px) {
  .nav-wrap {
    min-height: 68px;
  }

  .brand-name {
    font-size: 1.13rem;
  }

  .site-header .brand-name {
    font-size: 2rem;
  }

  .header-phone {
    font-size: 0.71rem;
  }

  .hero {
    padding-bottom: var(--space-10);
  }

  h1 {
    font-size: clamp(3rem, 12vw, 4.35rem);
  }

  .hero-lead {
    margin-top: var(--space-6);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-5);
    margin-top: var(--space-8);
  }

  .hero-art {
    min-height: 370px;
  }

  .art-caption {
    right: var(--space-4);
    bottom: var(--space-4);
    left: var(--space-4);
  }

  .caption-index {
    font-size: var(--text-lg);
  }

  .approach-layout {
    gap: var(--space-3);
  }

  .principle-card,
  .principle-large {
    min-height: 275px;
    padding: var(--space-6);
  }

  .principle-card h3 {
    margin-top: var(--space-10);
  }

  .map-node {
    width: 76px;
    height: 36px;
    font-size: 0.66rem;
  }

  .map-core {
    width: 105px;
    height: 105px;
  }

  .scenario-block summary {
    grid-template-columns: 32px 1fr 30px;
    gap: var(--space-3);
    align-items: start;
  }

  .scenario-count {
    display: none;
  }

  .scenario-toggle {
    margin-top: 0.15rem;
  }

  .scenario-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-left: calc(32px + var(--space-3));
  }

  .scenario-items {
    grid-template-columns: 1fr;
  }

  .operations-grid {
    gap: var(--space-10);
  }

  .operations-art {
    max-height: 450px;
  }

  .operations-art img {
    aspect-ratio: 4 / 3;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

}