:root {
  color-scheme: light dark;
  --ink: #0e1719;
  --graphite: #182326;
  --muted: #5b686a;
  --line: #d8e1df;
  --soft-line: #edf3f1;
  --paper: #f7f9f8;
  --panel: #ffffff;
  --panel-glass: rgba(255, 255, 255, 0.82);
  --panel-glass-strong: rgba(255, 255, 255, 0.94);
  --panel-glass-soft: rgba(255, 255, 255, 0.72);
  --nav-glass: rgba(255, 255, 255, 0.78);
  --white-text: #ffffff;
  --grid-line: rgba(24, 35, 38, 0.055);
  --teal: #118a80;
  --teal-bright: #5dd4c6;
  --teal-soft: #d9f4ef;
  --teal-wash: rgba(217, 244, 239, 0.44);
  --slate: #293638;
  --dark-button-hover: #152528;
  --shadow: 0 24px 70px rgba(14, 23, 25, 0.12);
  --card-shadow: 0 18px 44px rgba(14, 23, 25, 0.08);
  --node-shadow: 0 18px 36px rgba(14, 23, 25, 0.1);
  --radius: 8px;
  --max: 1180px;
}

[data-theme="light"] {
  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eef8f6;
  --graphite: #d6e2df;
  --muted: #a9b9b6;
  --line: #29413f;
  --soft-line: #203432;
  --paper: #091112;
  --panel: #111c1e;
  --panel-glass: rgba(17, 28, 30, 0.84);
  --panel-glass-strong: rgba(19, 32, 34, 0.96);
  --panel-glass-soft: rgba(20, 34, 36, 0.78);
  --nav-glass: rgba(12, 23, 25, 0.82);
  --white-text: #061011;
  --grid-line: rgba(174, 219, 213, 0.08);
  --teal: #5dd4c6;
  --teal-bright: #80eadf;
  --teal-soft: rgba(26, 115, 106, 0.34);
  --teal-wash: rgba(33, 138, 128, 0.16);
  --slate: #c6d4d1;
  --dark-button-hover: #d9fffa;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --card-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  --node-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, var(--teal-wash), rgba(247, 249, 248, 0) 520px),
    var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand,
.site-nav,
.nav-cta,
.theme-toggle {
  border: 1px solid var(--line);
  background: var(--nav-glass);
  box-shadow: 0 10px 28px rgba(14, 23, 25, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px 8px 8px;
  border-radius: var(--radius);
  font-weight: 760;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--teal-bright);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border-radius: var(--radius);
}

.site-nav a,
.nav-cta,
.theme-toggle {
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--soft-line);
  color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}

.nav-cta:hover,
.nav-cta:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: rgba(17, 138, 128, 0.38);
  background: var(--teal-soft);
}

.theme-toggle {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  cursor: pointer;
}

.theme-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
}

.theme-icon.sun {
  border: 2px solid currentColor;
  border-radius: 50%;
  box-shadow:
    0 -10px 0 -7px currentColor,
    0 10px 0 -7px currentColor,
    10px 0 0 -7px currentColor,
    -10px 0 0 -7px currentColor,
    7px 7px 0 -7px currentColor,
    -7px 7px 0 -7px currentColor,
    7px -7px 0 -7px currentColor,
    -7px -7px 0 -7px currentColor;
}

.theme-icon.moon {
  border-radius: 50%;
  box-shadow: inset -6px 0 0 0 currentColor;
}

[data-theme="light"] .theme-icon.moon,
[data-theme="dark"] .theme-icon.sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-icon.sun,
[data-theme="dark"] .theme-icon.moon {
  transform: rotate(-18deg) scale(0.82);
}

.section-band,
.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

section[id] {
  scroll-margin-top: 108px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.92fr);
  align-items: center;
  gap: 56px;
  min-height: 820px;
  padding: 54px 0 64px;
}

.hero::after {
  content: "";
  position: absolute;
  right: 28%;
  bottom: 28px;
  width: 1px;
  height: 92px;
  background: linear-gradient(180deg, rgba(17, 138, 128, 0), rgba(17, 138, 128, 0.34), rgba(17, 138, 128, 0));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  color: var(--ink);
  font-size: 5.4rem;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: 3.35rem;
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 670px;
  margin-bottom: 30px;
  color: var(--slate);
  font-size: 1.16rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 750;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.66;
  transform: none;
}

.button.primary {
  background: var(--ink);
  color: var(--white-text);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--dark-button-hover);
}

.button.secondary {
  border-color: var(--line);
  background: var(--panel-glass);
  color: var(--ink);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: rgba(17, 138, 128, 0.4);
  background: var(--teal-soft);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0 0;
}

.proof-strip div {
  min-height: 132px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-glass-soft);
}

.proof-strip dt {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 800;
}

.proof-strip dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.system-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(93, 212, 198, 0.12), var(--panel-glass) 44%),
    var(--panel);
  box-shadow: var(--shadow);
  transform: translate3d(0, var(--parallax-y, 0), 0);
  transition: transform 120ms linear;
}

.visual-topline {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid var(--soft-line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(17, 138, 128, 0.12);
}

.diagram-canvas {
  position: relative;
  display: grid;
  grid-template-columns: minmax(132px, 1fr) minmax(124px, 0.74fr) minmax(132px, 1fr);
  grid-template-rows: repeat(3, minmax(112px, 1fr));
  gap: 16px;
  align-items: center;
  min-height: 520px;
  padding: 42px 24px;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
}

.diagram-lines {
  position: absolute;
  inset: 42px 24px;
  width: calc(100% - 48px);
  height: calc(100% - 84px);
  fill: none;
  pointer-events: none;
}

.diagram-lines path {
  stroke: rgba(17, 138, 128, 0.34);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-dasharray: 1 0;
}

.diagram-lines .pulse-line {
  stroke: rgba(14, 23, 25, 0.42);
  stroke-dasharray: 8 10;
  animation: flow 5s linear infinite;
}

@keyframes flow {
  to {
    stroke-dashoffset: -72;
  }
}

@keyframes nodeFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

.node,
.hub-node {
  position: relative;
  z-index: 1;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-glass-strong);
  box-shadow: var(--node-shadow);
}

.node {
  width: 100%;
}

.node strong,
.hub-node strong {
  display: block;
  margin: 2px 0 4px;
  color: var(--ink);
  font-size: 0.96rem;
}

.node small,
.hub-node small {
  display: block;
  color: var(--muted);
  font-size: 0.77rem;
}

.node-kicker,
.hub-node span {
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.source-a { grid-column: 1; grid-row: 1; }
.source-b { grid-column: 1; grid-row: 2; }
.source-c { grid-column: 1; grid-row: 3; }
.target-a { grid-column: 3; grid-row: 1; }
.target-b { grid-column: 3; grid-row: 2; }
.target-c { grid-column: 3; grid-row: 3; }

.hub-node {
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  border-color: rgba(17, 138, 128, 0.28);
  background: linear-gradient(180deg, var(--panel), var(--teal-soft));
}

.section {
  position: relative;
  padding: 62px 0;
}

.section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 22px;
  height: 1px;
  background: linear-gradient(90deg, rgba(17, 138, 128, 0.22), rgba(216, 225, 223, 0), rgba(17, 138, 128, 0.12));
  pointer-events: none;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 30px;
}

.section-heading.compact {
  max-width: 800px;
  display: block;
}

.service-grid,
.example-grid {
  display: grid;
  gap: 16px;
}

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

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

.service-card,
.example-card,
.credibility-panel,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-glass);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.proof-strip div,
.service-card,
.example-card,
.credibility-panel,
.contact-card {
  transform: translate3d(0, var(--panel-y, 0px), 0);
  will-change: transform;
}

.service-card:hover,
.example-card:hover {
  border-color: rgba(17, 138, 128, 0.32);
  box-shadow: var(--card-shadow);
  transform: translate3d(0, calc(var(--panel-y, 0px) - 3px), 0);
}

.service-card {
  min-height: 288px;
  padding: 22px;
}

.card-index {
  display: inline-flex;
  margin-bottom: 40px;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
}

.service-card p,
.example-card p,
.credibility-copy p,
.contact-card p {
  color: var(--muted);
}

.example-card {
  display: grid;
  grid-template-columns: 205px minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 22px;
  min-height: 290px;
  padding: 24px;
}

.example-card .mini-map {
  grid-row: 1 / 4;
}

.example-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: end;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.example-card li {
  padding: 7px 9px;
  border: 1px solid var(--soft-line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 700;
}

.mini-map {
  position: relative;
  width: 205px;
  max-width: 100%;
  min-height: 220px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 50%, rgba(93, 212, 198, 0.22), transparent 42%),
    linear-gradient(180deg, var(--teal-soft), var(--panel));
  overflow: hidden;
  transform: translate3d(0, var(--parallax-y, 0), 0);
  transition: transform 120ms linear;
}

.mini-map::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(17, 138, 128, 0.12);
  border-radius: 6px;
  pointer-events: none;
}

.map-line {
  position: absolute;
  z-index: 0;
  display: block;
  background: rgba(17, 138, 128, 0.28);
}

.map-line::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(93, 212, 198, 0.16);
  animation: mapPulse 4.8s ease-in-out infinite;
}

.map-line.h {
  left: 32px;
  right: 32px;
  height: 2px;
}

.map-line.h::after {
  top: -3px;
  width: 8px;
  height: 8px;
}

.map-line.v {
  top: 30px;
  bottom: 30px;
  width: 2px;
}

.map-line.v::after {
  left: -3px;
  width: 8px;
  height: 8px;
  animation-name: mapPulseVertical;
}

.map-line.top { top: 48px; }
.map-line.middle { top: 50%; }
.map-line.bottom { bottom: 48px; }
.map-line.center { left: 50%; }

.map-node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 68px;
  min-height: 30px;
  padding: 5px 7px;
  border: 1px solid rgba(17, 138, 128, 0.28);
  border-radius: 6px;
  background: var(--panel);
  color: var(--slate);
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  box-shadow: 0 10px 24px rgba(14, 23, 25, 0.06);
}

.map-node.hub {
  left: 50%;
  top: 50%;
  width: 76px;
  color: var(--ink);
  transform: translate(-50%, -50%);
}

.map-node.left { left: 18px; }
.map-node.right { right: 18px; }
.map-node.center { left: 50%; transform: translateX(-50%); }
.map-node.top { top: 28px; }
.map-node.upper { top: 72px; }
.map-node.middle { top: 50%; transform: translateY(-50%); }
.map-node.center.middle { transform: translate(-50%, -50%); }
.map-node.lower { bottom: 72px; }
.map-node.bottom { bottom: 28px; }

@keyframes mapPulse {
  0%,
  18% {
    left: 0;
    opacity: 0;
  }

  30%,
  70% {
    opacity: 1;
  }

  82%,
  100% {
    left: calc(100% - 8px);
    opacity: 0;
  }
}

@keyframes mapPulseVertical {
  0%,
  18% {
    top: 0;
    opacity: 0;
  }

  30%,
  70% {
    opacity: 1;
  }

  82%,
  100% {
    top: calc(100% - 8px);
    opacity: 0;
  }
}

.mini-map.checker {
  background:
    radial-gradient(circle at 50% 50%, rgba(93, 212, 198, 0.28), transparent 38%),
    linear-gradient(180deg, var(--panel), var(--teal-soft));
}

.mini-map.pipeline {
  background:
    linear-gradient(180deg, transparent 31%, rgba(17, 138, 128, 0.32) 31% 33%, transparent 33%),
    linear-gradient(180deg, var(--panel), var(--teal-soft));
}

.mini-map.data {
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    var(--panel);
  background-size: 22px 22px, 22px 22px, auto;
}

.credibility {
  padding: 58px 0px 58px 0px;
}

.credibility-panel {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 42px;
  padding: 34px;
  background:
    linear-gradient(135deg, var(--teal-soft), var(--panel-glass) 34%),
    var(--panel-glass);
}

.credibility-title h2 {
  font-size: 2.8rem;
}

.credibility-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.credibility-metrics span {
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-glass-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.credibility-metrics strong {
  display: block;
  color: var(--ink);
  font-size: 1.14rem;
}

.credibility-copy {
  display: grid;
  gap: 16px;
}

.credibility-copy > p,
.contact-card p:last-child {
  margin-bottom: 0;
}

.credibility-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.credibility-notes article {
  min-height: 178px;
  padding: 16px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  background: var(--panel-glass-soft);
}

.credibility-notes h3 {
  font-size: 0.98rem;
}

.credibility-notes p {
  margin-bottom: 0;
  font-size: 0.88rem;
}

.capability-row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-top: 28px;
}

.capability-row::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(17, 138, 128, 0.22), rgba(216, 225, 223, 0), rgba(17, 138, 128, 0.12));
  pointer-events: none;
}

.capability-row span {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-glass-soft);
  color: var(--slate);
  font-size: 0.86rem;
  font-weight: 750;
}

.contact {
  padding: 54px 0 74px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 42px;
  align-items: start;
  max-width: none;
  padding: 54px;
  background:
    linear-gradient(135deg, rgba(93, 212, 198, 0.16), var(--panel-glass-strong) 36%),
    var(--panel);
}

.contact-copy,
.contact-actions {
  grid-column: 1;
}

.contact-form {
  grid-column: 1 / -1;
}

.contact-flow {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
}

.contact-card h2 {
  margin-bottom: 18px;
}

.contact-card p {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: 1.04rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: none;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 800;
}

.contact-form label.full,
.turnstile-field,
.contact-form .button,
.form-status {
  grid-column: 1 / -1;
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
}

.contact-form input {
  min-height: 46px;
  padding: 10px 12px;
}

.contact-form textarea {
  min-height: 128px;
  padding: 12px;
  resize: vertical;
}

.turnstile-field {
  min-height: 65px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(17, 138, 128, 0.54);
  outline: 3px solid rgba(17, 138, 128, 0.16);
}

.form-status {
  min-height: 1.3em;
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.form-status.is-error {
  color: #a14321;
}

.form-status.is-success {
  color: var(--teal);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: none;
}

.contact-flow {
  display: grid;
  gap: 12px;
}

.contact-flow span {
  display: grid;
  gap: 5px;
  min-height: 86px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-glass-soft);
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 850;
}

.contact-flow strong {
  color: var(--ink);
  font-size: 1rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

:focus-visible {
  outline: 3px solid rgba(17, 138, 128, 0.36);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .system-visual {
    transform: none !important;
  }

  .mini-map {
    transform: none !important;
  }

  .proof-strip div,
  .service-card,
  .example-card,
  .credibility-panel,
  .contact-card {
    transform: none !important;
  }
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 54px;
  }

  .system-visual {
    max-width: 720px;
  }

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

@media (max-width: 820px) {
  .site-header {
    position: static;
    flex-wrap: wrap;
    gap: 10px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
  }

  .nav-cta {
    flex: 1;
  }

  .section-heading,
  .credibility-panel,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .credibility-notes {
    grid-template-columns: 1fr;
  }

  .example-grid,
  .proof-strip {
    grid-template-columns: 1fr;
  }

  .example-card {
    grid-template-columns: 1fr;
  }

  .example-card .mini-map {
    grid-row: auto;
    min-height: 227px;
    margin: 0 auto 20px;
  }

  h2 {
    font-size: 2.45rem;
  }
}

@media (max-width: 620px) {
  .section-band,
  .section,
  .site-header,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  h1 {
    font-size: 3rem;
  }

  h1,
  h2,
  h3,
  p,
  .node strong,
  .map-node,
  .example-card li {
    overflow-wrap: break-word;
  }

  .hero {
    gap: 34px;
    padding-bottom: 60px;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .hero-actions .button,
  .contact-actions .button,
  .contact-form .button {
    width: 100%;
  }

  .proof-strip,
  .credibility-metrics {
    grid-template-columns: 1fr;
  }

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

  .diagram-canvas {
    display: block;
    min-height: 650px;
    padding: 12px 0;
  }

  .diagram-lines {
    display: none;
  }

  .node,
  .hub-node {
    position: static;
    width: auto;
    margin: 12px;
  }

  .hub-node {
    border-width: 2px;
  }

  .site-footer {
    flex-direction: column;
  }

  .contact-card {
    padding: 28px 22px;
  }

  .contact-copy,
  .contact-flow,
  .contact-form,
  .contact-actions {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-copy {
    order: 1;
  }

  .contact-flow {
    order: 2;
  }

  .contact-form {
    order: 3;
  }

  .contact-actions {
    order: 4;
  }

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

  .contact-card h2 {
    font-size: 2.05rem;
  }

  .contact-flow span {
    min-height: 76px;
  }
}