:root {
  --cream: #f4eedf;
  --cream-light: #fffaf0;
  --ink: #173633;
  --teal: #0b4a46;
  --teal-deep: #073432;
  --terra: #d66b4c;
  --terra-text: #9b3928;
  --terra-light: #ef9c7b;
  --lemon: #e5d45b;
  --white: #ffffff;
  --border: 2px solid var(--ink);
  --shadow: 6px 6px 0 rgba(23, 54, 51, 0.13);
  --font: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Arial Rounded MT Bold", Arial, sans-serif;
  --page: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--font);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

a {
  color: inherit;
}

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

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

h1,
h2,
h3 {
  line-height: 1.13;
  letter-spacing: -0.045em;
}

.page-shell {
  width: var(--page);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--cream-light);
  border: var(--border);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--terra);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(244, 238, 223, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(23, 54, 51, 0.22);
  box-shadow: 0 5px 18px rgba(23, 54, 51, 0.06);
}

.nav-shell {
  width: var(--page);
  height: 80px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  background: var(--teal);
  border: var(--border);
  border-radius: 5px 16px 5px 16px;
  transform: rotate(-5deg);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  content: "";
  position: absolute;
  background: var(--cream);
}

.brand-mark::before {
  width: 4px;
  height: 20px;
  left: 14px;
  bottom: 4px;
  transform: rotate(23deg);
  border-radius: 4px;
}

.brand-mark::after {
  width: 10px;
  height: 6px;
  left: 7px;
  top: 8px;
  border-radius: 10px 0 10px 0;
  transform: rotate(22deg);
}

.brand-mark span {
  width: 10px;
  height: 6px;
  right: 5px;
  top: 6px;
  border-radius: 0 10px 0 10px;
  transform: rotate(-15deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  background: var(--terra);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav > a:not(.nav-cta):hover::after,
.site-nav > a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 9px 15px;
  color: var(--cream-light);
  background: var(--teal);
  border: var(--border);
  box-shadow: 3px 3px 0 var(--terra);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--terra);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  color: var(--ink);
  background: transparent;
  border: var(--border);
  cursor: pointer;
}

.menu-toggle__label {
  font-size: 13px;
  font-weight: 800;
}

.menu-toggle__icon {
  position: relative;
  width: 21px;
  height: 16px;
}

.menu-toggle__icon i {
  position: absolute;
  left: 0;
  width: 21px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease, top 180ms ease;
}

.menu-toggle__icon i:first-child { top: 3px; }
.menu-toggle__icon i:last-child { top: 11px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:first-child { top: 7px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:last-child { top: 7px; transform: rotate(-45deg); }

.hero {
  overflow: hidden;
  padding-top: 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(410px, 0.97fr);
  gap: clamp(42px, 7vw, 98px);
  align-items: center;
  min-height: 650px;
  padding-bottom: 76px;
}

.eyebrow,
.section-index {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
}

.eyebrow span {
  width: 28px;
  height: 2px;
  background: var(--terra);
}

.hero h1 {
  max-width: 700px;
  margin-bottom: 28px;
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
}

.word-sticker {
  position: relative;
  z-index: 0;
  display: inline-block;
  padding-inline: 8px;
  color: var(--cream-light);
  transform: rotate(-1.5deg);
}

.word-sticker::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 8% -1% 2%;
  background: var(--terra);
  border: var(--border);
  box-shadow: 4px 4px 0 var(--ink);
}

.hero-intro {
  max-width: 620px;
  margin-bottom: 31px;
  color: #3f5c58;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-bottom: 39px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 52px;
  padding: 12px 20px;
  border: var(--border);
  border-radius: 0;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button--primary {
  color: var(--cream-light);
  background: var(--teal);
  box-shadow: 5px 5px 0 var(--terra);
}

.button--primary:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--terra);
}

.text-link {
  font-size: 14px;
  font-weight: 800;
  text-underline-offset: 5px;
  text-decoration-thickness: 2px;
}

.text-link span {
  display: inline-block;
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(5px);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 5px 11px;
  background: rgba(255, 250, 240, 0.55);
  border: 1px solid rgba(23, 54, 51, 0.35);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  padding: 20px 18px 18px;
}

.visual-frame {
  position: relative;
  z-index: 2;
  padding: 18px;
  background: var(--cream-light);
  border: var(--border);
  box-shadow: 10px 10px 0 var(--ink);
  transform: rotate(1.2deg);
}

.visual-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 1px solid rgba(23, 54, 51, 0.32);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.status-dot {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #2f5c57;
}

.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--terra);
  border-radius: 50%;
}

.orbit-card {
  position: relative;
  height: 320px;
  margin-top: 18px;
  overflow: hidden;
  background-color: var(--teal);
  background-image: linear-gradient(rgba(255, 250, 240, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 250, 240, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  border: var(--border);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(244, 238, 223, 0.35);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit--outer { width: 280px; height: 280px; }
.orbit--inner { width: 190px; height: 190px; border-style: dashed; }

.core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-content: center;
  width: 130px;
  height: 130px;
  color: var(--cream-light);
  background: var(--terra);
  border: 2px solid var(--cream-light);
  border-radius: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
}

.core span { font-size: 12px; }
.core strong { font-size: 22px; letter-spacing: -0.04em; }

.node {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--lemon);
  border: 2px solid var(--cream-light);
  border-radius: 50%;
}

.node--one { top: 25px; left: 50%; }
.node--two { right: 56px; bottom: 48px; background: var(--terra-light); }
.node--three { left: 46px; bottom: 73px; background: var(--cream); }

.visual-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.mini-card {
  min-height: 93px;
  padding: 10px;
  border: 1px solid var(--ink);
  font-size: 10px;
  font-weight: 800;
}

.mini-card--cream { background: var(--cream); }
.mini-card--terra { background: var(--terra-light); }
.mini-card--teal { color: var(--cream-light); background: var(--teal); }
.mini-lines { display: grid; gap: 5px; margin-top: 13px; }
.mini-lines i { display: block; width: 100%; height: 5px; background: var(--teal); opacity: 0.75; }
.mini-lines i:nth-child(2) { width: 72%; }
.mini-lines i:nth-child(3) { width: 88%; }
.mini-card svg { margin-top: 14px; fill: none; stroke: var(--ink); stroke-width: 3; }
.pixel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 14px; }
.pixel-grid i { height: 13px; background: var(--cream); opacity: 0.85; }
.pixel-grid i:nth-child(2), .pixel-grid i:nth-child(6) { background: var(--terra-light); }

.shape {
  position: absolute;
  z-index: 1;
  border: var(--border);
}

.shape--square {
  width: 78px;
  height: 78px;
  top: -11px;
  right: -13px;
  background: var(--terra);
  transform: rotate(12deg);
}

.shape--pill {
  width: 80px;
  height: 34px;
  left: -13px;
  bottom: -3px;
  background: var(--lemon);
  border-radius: 999px;
  transform: rotate(-15deg);
}

.hero-marquee {
  overflow: hidden;
  color: var(--cream-light);
  background: var(--terra);
  border-block: var(--border);
  transform: rotate(-0.6deg) scale(1.01);
}

.hero-marquee div {
  width: max-content;
  padding: 13px 0;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  word-spacing: 12px;
  animation: marquee 28s linear infinite;
}

.hero-marquee span {
  color: var(--lemon);
}

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

.section {
  padding-block: 120px;
}

.section-index {
  margin-bottom: 27px;
  color: var(--terra-text);
}

.section--intro {
  padding-top: 145px;
}

.intro-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 90px;
  align-items: start;
}

.intro-layout h2,
.section-heading h2,
.directions h2,
.contact h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 4.6vw, 64px);
  font-weight: 900;
}

.intro-note {
  padding: 24px 0 3px 28px;
  border-left: 4px solid var(--terra);
  color: #3f5c58;
}

.intro-note p:last-child { margin-bottom: 0; }

.services {
  background: var(--cream-light);
  border-block: var(--border);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 70px;
}

.section-heading > p {
  max-width: 420px;
  margin-bottom: 5px;
  color: #48615e;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  min-height: 390px;
  padding: 28px;
  overflow: hidden;
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 7px 10px 0 rgba(23, 54, 51, 0.13);
}

.service-card--wide {
  display: grid;
  grid-column: span 2;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  background: var(--cream);
}

.service-card--terra { background: var(--terra-light); }
.service-card--dark { color: var(--cream-light); background: var(--teal); }

.card-number {
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 11px;
  font-weight: 900;
}

.service-icon {
  align-self: center;
  width: 108px;
  height: 108px;
  padding: 24px;
  color: var(--ink);
  background: var(--lemon);
  border: var(--border);
  border-radius: 50%;
}

.service-icon svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.service-card:not(.service-card--wide) .service-icon {
  width: 76px;
  height: 76px;
  margin: 58px 0 53px;
  padding: 16px;
  border-radius: 5px 28px 5px 28px;
  transform: rotate(-5deg);
}

.service-card--terra .service-icon { background: var(--cream-light); }
.service-card--dark .service-icon { color: var(--ink); background: var(--terra-light); border-color: var(--cream-light); }

.service-card h3 {
  margin-bottom: 14px;
  font-size: 28px;
  font-weight: 900;
}

.service-card p {
  margin-bottom: 0;
  color: #435d59;
  font-size: 14px;
}

.service-card--dark p { color: #d9e2dc; }

.detail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  padding: 5px 9px;
  background: var(--cream-light);
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.directions {
  background: var(--terra);
  border-bottom: var(--border);
}

.directions-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 80px;
  align-items: start;
}

.directions .section-index { color: #082725; }
.directions-copy > p { max-width: 390px; margin: 26px 0 37px; color: #082725; }

.direction-tabs {
  display: grid;
  gap: 9px;
}

.direction-tabs button {
  position: relative;
  width: 100%;
  padding: 15px 48px 15px 16px;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(23, 54, 51, 0.45);
  text-align: left;
  font-weight: 800;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.direction-tabs button::after {
  content: "→";
  position: absolute;
  right: 17px;
}

.direction-tabs button:hover {
  transform: translateX(4px);
}

.direction-tabs button[aria-selected="true"] {
  color: var(--cream-light);
  background: var(--teal);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--cream-light);
}

.direction-panel {
  min-height: 520px;
  padding: 40px;
  background: var(--cream-light);
  border: var(--border);
  box-shadow: 9px 9px 0 var(--ink);
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  padding-bottom: 17px;
  border-bottom: 1px solid rgba(23, 54, 51, 0.35);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.panel-code { color: var(--terra-text); }

.direction-panel h3 {
  max-width: 570px;
  margin: 40px 0 17px;
  font-size: clamp(30px, 3vw, 45px);
}

.direction-panel > p {
  max-width: 600px;
  color: #45605c;
}

.panel-diagram {
  display: flex;
  align-items: center;
  margin: 37px 0 31px;
}

.diagram-node {
  display: grid;
  flex: 0 0 57px;
  height: 57px;
  place-items: center;
  background: var(--cream);
  border: var(--border);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}

.diagram-node--accent { color: var(--cream-light); background: var(--teal); }
.panel-diagram > span { flex: 1; height: 2px; background: var(--ink); }

.panel-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel-points li {
  position: relative;
  padding: 14px 10px 14px 26px;
  background: var(--cream);
  border: 1px solid rgba(23, 54, 51, 0.32);
  font-size: 11px;
  font-weight: 800;
}

.panel-points li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 10px;
  width: 7px;
  height: 7px;
  background: var(--terra);
  border-radius: 50%;
}

.method {
  color: var(--cream-light);
  background: var(--teal-deep);
}

.section-heading--light > p { color: #bdd0c8; }

.process-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(244, 238, 223, 0.3);
  list-style: none;
}

.process-item {
  display: grid;
  grid-template-columns: 85px 1fr 180px;
  gap: 34px;
  align-items: center;
  padding: 31px 4px;
  border-bottom: 1px solid rgba(244, 238, 223, 0.3);
  transition: padding-left 180ms ease, background-color 180ms ease;
}

.process-item:hover {
  padding-left: 14px;
  background: rgba(244, 238, 223, 0.04);
}

.process-number {
  color: var(--terra-light);
  font-size: 13px;
  font-weight: 900;
}

.process-item h3 {
  margin-bottom: 7px;
  font-size: 24px;
}

.process-item p {
  max-width: 680px;
  margin-bottom: 0;
  color: #bdd0c8;
  font-size: 14px;
}

.process-output {
  justify-self: end;
  padding: 6px 11px;
  border: 1px solid rgba(244, 238, 223, 0.5);
  border-radius: 999px;
  color: var(--cream);
  font-size: 11px;
  font-weight: 800;
}

.principles {
  padding-bottom: 145px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: start;
}

.principle-card {
  min-height: 290px;
  padding: 28px;
  background: var(--cream-light);
  border: var(--border);
  box-shadow: var(--shadow);
}

.principle-card--offset { margin-top: 42px; background: var(--lemon); }
.principle-symbol { display: block; margin-bottom: 70px; color: var(--terra-text); font-size: 26px; }
.principle-card h3 { margin-bottom: 12px; font-size: 25px; }
.principle-card p { margin-bottom: 0; color: #455e5a; font-size: 14px; }

.contact {
  padding-block: 100px;
  background: var(--terra);
  border-top: var(--border);
}

.contact-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 70px;
  align-items: end;
  padding: 62px;
  background: var(--teal);
  border: var(--border);
  box-shadow: 10px 10px 0 var(--ink);
  overflow: hidden;
}

.contact-copy,
.contact-action { position: relative; z-index: 2; }
.contact .section-index { color: var(--terra-light); }
.contact h2 { color: var(--cream-light); }
.contact-copy > p { max-width: 650px; margin: 27px 0 0; color: #c7d8d1; }
.contact-action > p { margin: 17px 0 0; color: #c7d8d1; font-size: 12px; text-align: center; }

.button--cream {
  width: 100%;
  color: var(--ink);
  background: var(--cream-light);
  box-shadow: 5px 5px 0 var(--terra);
}

.button--cream:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--terra);
}

.button--large { min-height: 62px; }

.contact-shape {
  position: absolute;
  right: -60px;
  bottom: -120px;
  width: 310px;
  height: 310px;
  border: 2px solid rgba(244, 238, 223, 0.16);
  border-radius: 50%;
}

.contact-shape::before,
.contact-shape::after,
.contact-shape span {
  content: "";
  position: absolute;
  border: 2px solid rgba(244, 238, 223, 0.16);
  border-radius: 50%;
}

.contact-shape::before { inset: 45px; }
.contact-shape::after { inset: 90px; background: var(--terra); border-color: var(--ink); }

.project-dialog {
  width: min(680px, calc(100% - 32px));
  max-height: calc(100dvh - 40px);
  padding: 0;
  color: var(--ink);
  background: var(--cream-light);
  border: var(--border);
  box-shadow: 10px 10px 0 var(--terra);
}

.project-dialog::backdrop {
  background: rgba(7, 52, 50, 0.78);
  backdrop-filter: blur(4px);
}

.dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 30px 25px;
  background: var(--cream);
  border-bottom: var(--border);
}

.dialog-tag { color: var(--terra-text); font-size: 11px; font-weight: 900; letter-spacing: 0.1em; }
.dialog-head h2 { margin: 8px 0 0; font-size: 32px; }

.dialog-close {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  padding: 0;
  color: var(--cream-light);
  background: var(--teal);
  border: var(--border);
  font-size: 27px;
  line-height: 1;
  cursor: pointer;
}

.checklist {
  margin: 0;
  padding: 12px 30px;
  list-style: none;
}

.checklist li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(23, 54, 51, 0.22);
}

.checklist li > span { color: var(--terra-text); font-size: 12px; font-weight: 900; }
.checklist strong { display: block; margin-bottom: 4px; font-size: 16px; }
.checklist p { margin: 0; color: #48615e; font-size: 13px; }

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 92px;
  padding: 18px 30px 28px;
}

.copy-status { font-size: 13px; font-weight: 800; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(.2,.75,.25,1);
}

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

@media (max-width: 1020px) {
  :root { --page: min(900px, calc(100% - 40px)); }
  .hero { padding-top: 44px; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; min-height: auto; }
  .hero-copy { max-width: 780px; }
  .hero-visual { width: min(620px, 100%); margin: 0 auto; }
  .intro-layout { gap: 48px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--wide { grid-column: span 2; }
  .directions-grid { grid-template-columns: 1fr; gap: 45px; }
  .directions-copy > p { max-width: 630px; }
  .direction-tabs { grid-template-columns: repeat(3, 1fr); }
  .direction-tabs button { padding-right: 34px; }
  .contact-shell { grid-template-columns: 1fr; gap: 36px; }
  .contact-action { width: min(380px, 100%); }
}

@media (max-width: 760px) {
  :root { --page: calc(100% - 32px); }
  html { scroll-padding-top: 76px; }
  .nav-shell { height: 68px; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: 68px 0 auto;
    display: grid;
    gap: 0;
    padding: 16px;
    background: var(--cream);
    border-bottom: var(--border);
    box-shadow: 0 14px 24px rgba(23, 54, 51, 0.13);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav a { padding: 15px 12px; border-bottom: 1px solid rgba(23, 54, 51, 0.18); }
  .site-nav .nav-cta { margin-top: 10px; padding: 13px 15px; text-align: center; }
  .brand-name { font-size: 16px; }
  .brand-mark { width: 31px; height: 31px; }

  .hero { padding-top: 35px; }
  .hero-grid { padding-bottom: 60px; }
  .hero h1 { font-size: clamp(42px, 13vw, 64px); }
  .hero-intro { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-visual { padding-inline: 3px; }
  .visual-frame { padding: 12px; box-shadow: 6px 6px 0 var(--ink); }
  .orbit-card { height: 255px; }
  .orbit--outer { width: 230px; height: 230px; }
  .orbit--inner { width: 155px; height: 155px; }
  .core { width: 112px; height: 112px; }
  .node--two { right: 28px; }
  .node--three { left: 24px; }
  .mini-card { min-height: 84px; }
  .shape--square { right: -4px; }

  .section { padding-block: 82px; }
  .section--intro { padding-top: 102px; }
  .intro-layout,
  .section-heading { grid-template-columns: 1fr; gap: 35px; }
  .intro-layout h2,
  .section-heading h2,
  .directions h2,
  .contact h2 { font-size: clamp(36px, 10vw, 50px); }
  .intro-note { padding: 5px 0 3px 20px; }
  .section-heading { margin-bottom: 48px; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card,
  .service-card--wide { grid-column: auto; min-height: auto; }
  .service-card--wide { grid-template-columns: 1fr; }
  .service-card:not(.service-card--wide) .service-icon { margin: 50px 0 42px; }
  .service-card--wide .service-icon { margin: 52px 0 10px; }

  .direction-tabs { grid-template-columns: 1fr; }
  .direction-panel { min-height: auto; padding: 26px 22px; box-shadow: 6px 6px 0 var(--ink); }
  .panel-points { grid-template-columns: 1fr; }

  .process-item { grid-template-columns: 46px 1fr; gap: 18px; }
  .process-output { grid-column: 2; justify-self: start; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-card--offset { margin-top: 0; }
  .principle-card { min-height: 245px; }
  .principle-symbol { margin-bottom: 48px; }

  .contact { padding-block: 68px; }
  .contact-shell { padding: 39px 24px; box-shadow: 6px 6px 0 var(--ink); }
  .dialog-head { padding: 23px 20px; }
  .checklist { padding-inline: 20px; }
  .dialog-actions { padding-inline: 20px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 41px; }
  .eyebrow { align-items: flex-start; font-size: 10px; }
  .visual-cards { grid-template-columns: 1fr 1fr; }
  .mini-card:last-child { grid-column: 1 / -1; }
  .dialog-actions { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}