:root {
  color-scheme: light;
  --paper: oklch(98.8% 0.006 108);
  --paper-warm: oklch(96.8% 0.01 96);
  --green-wash: oklch(94.6% 0.012 150);
  --green-band: oklch(32% 0.064 156);
  --green-deep: oklch(29% 0.068 158);
  --green-ink: oklch(20% 0.05 162);
  --ink: oklch(25% 0.024 230);
  --muted: oklch(50% 0.024 216);
  --line: oklch(27% 0.052 158 / 13%);
  --line-strong: oklch(24% 0.058 158 / 24%);
  --mint: oklch(58% 0.086 157);
  --gold: oklch(69% 0.12 76);
  --coral: oklch(64% 0.14 34);
  --surface: oklch(99.2% 0.006 108);
  --shadow: 0 22px 52px oklch(24% 0.05 160 / 10%);
  --body-bg: linear-gradient(180deg, var(--paper), oklch(98% 0.007 100) 38%, var(--green-wash) 66%, var(--paper) 88%);
  --header-bg: oklch(98.8% 0.007 108 / 96%);
  --header-shadow: 0 16px 36px oklch(28% 0.05 160 / 8%);
  --nav-hover-bg: oklch(31% 0.065 159 / 7%);
  --nav-menu-bg: oklch(98.8% 0.007 108 / 98%);
  --brand-mark-bg: linear-gradient(135deg, var(--green-ink), var(--green-deep) 62%, var(--gold));
  --brand-mark-shadow: 0 0 0 6px oklch(27% 0.07 158 / 9%);
  --button-primary-bg: var(--green-deep);
  --button-primary-text: oklch(97% 0.014 116);
  --button-primary-shadow: 0 14px 28px oklch(20% 0.06 159 / 20%);
  --button-secondary-bg: oklch(99.2% 0.006 108 / 78%);
  --system-map-bg: linear-gradient(140deg, var(--surface), oklch(96.5% 0.008 112) 48%, oklch(91.8% 0.018 151));
  --map-line: oklch(29% 0.068 158 / 42%);
  --map-node-bg: oklch(99.2% 0.006 108 / 90%);
  --map-node-shadow: 0 12px 28px oklch(30% 0.036 160 / 8%);
  --section-alt-bg: oklch(94.5% 0.014 148);
  --section-base-bg: var(--paper);
  --featured-bg: linear-gradient(155deg, var(--green-deep), var(--green-band));
  --featured-text: oklch(96% 0.014 116);
  --scenario-mid-bg: oklch(93.5% 0.014 148);
  --process-card-bg: oklch(99.2% 0.006 108 / 78%);
  --process-even-bg: oklch(27% 0.08 158);
  --process-even-text: oklch(96% 0.014 116);
  --privacy-bg: linear-gradient(135deg, oklch(24% 0.06 166), oklch(18% 0.05 190) 58%, oklch(26% 0.07 150));
  --privacy-border: oklch(88% 0.08 150 / 22%);
  --privacy-text: oklch(96% 0.014 116);
  --privacy-muted: oklch(88% 0.026 145 / 78%);
  --privacy-cell-border: oklch(92% 0.026 145 / 16%);
  --privacy-chip-bg: oklch(97% 0.012 120 / 12%);
  --contact-bg: linear-gradient(135deg, var(--green-deep), oklch(26% 0.06 170) 58%, oklch(22% 0.055 182));
  --contact-border: oklch(76% 0.08 150 / 30%);
  --contact-shadow: 0 24px 62px oklch(22% 0.045 166 / 22%);
  --contact-text: oklch(96% 0.015 132);
  --contact-muted: oklch(91% 0.025 140 / 76%);
  --field-border: oklch(94% 0.02 130 / 24%);
  --field-bg: oklch(99% 0.008 112 / 12%);
  --field-text: oklch(97% 0.014 116);
  --field-focus-border: oklch(90% 0.08 146 / 82%);
  --field-focus-bg: oklch(99% 0.008 112 / 18%);
  --placeholder: oklch(91% 0.025 140 / 50%);
  --submit-bg: oklch(95% 0.024 119);
  --submit-text: var(--green-ink);
  --form-status: oklch(91% 0.09 140);
  --radius: 8px;
  --max: 1180px;
  font-family:
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    "Source Han Sans SC",
    system-ui,
    sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: oklch(15% 0.024 244);
  --paper-warm: oklch(18% 0.026 232);
  --green-wash: oklch(20% 0.038 165);
  --green-band: oklch(35% 0.08 158);
  --green-deep: oklch(72% 0.12 158);
  --green-ink: oklch(92% 0.028 142);
  --ink: oklch(91% 0.017 154);
  --muted: oklch(76% 0.022 165 / 76%);
  --line: oklch(88% 0.018 150 / 15%);
  --line-strong: oklch(88% 0.025 150 / 28%);
  --mint: oklch(78% 0.12 160);
  --gold: oklch(75% 0.11 76);
  --surface: oklch(22% 0.028 232);
  --shadow: 0 26px 80px oklch(8% 0.018 246 / 42%);
  --body-bg:
    radial-gradient(circle at 80% 4%, oklch(54% 0.1 166 / 16%), transparent 32rem),
    linear-gradient(145deg, var(--paper), var(--paper-warm) 42%, oklch(14% 0.025 246));
  --header-bg: oklch(18% 0.024 240 / 96%);
  --header-shadow: 0 18px 48px oklch(7% 0.02 246 / 28%);
  --nav-hover-bg: oklch(92% 0.02 160 / 9%);
  --nav-menu-bg: oklch(18% 0.024 240 / 98%);
  --brand-mark-bg: linear-gradient(135deg, oklch(83% 0.15 162), var(--gold));
  --brand-mark-shadow: 0 0 0 6px oklch(78% 0.12 166 / 13%);
  --button-primary-bg: oklch(78% 0.12 166);
  --button-primary-text: oklch(17% 0.04 165);
  --button-primary-shadow: 0 14px 32px oklch(8% 0.018 246 / 38%);
  --button-secondary-bg: oklch(92% 0.016 155 / 7%);
  --system-map-bg:
    radial-gradient(circle at 20% 20%, oklch(78% 0.12 166 / 18%), transparent 26%),
    radial-gradient(circle at 80% 70%, oklch(75% 0.11 76 / 16%), transparent 28%),
    linear-gradient(140deg, oklch(24% 0.027 226), oklch(20% 0.03 236));
  --map-line: oklch(78% 0.12 166 / 46%);
  --map-node-bg: oklch(15% 0.024 244 / 78%);
  --map-node-shadow: 0 12px 30px oklch(8% 0.018 246 / 24%);
  --section-alt-bg: oklch(18% 0.026 232);
  --section-base-bg: oklch(15% 0.024 244);
  --featured-bg: linear-gradient(155deg, oklch(29% 0.072 160), oklch(23% 0.04 230));
  --featured-text: oklch(94% 0.016 154);
  --scenario-mid-bg: oklch(25% 0.038 166);
  --process-card-bg: oklch(22% 0.028 232 / 78%);
  --process-even-bg: oklch(29% 0.072 160);
  --process-even-text: oklch(94% 0.016 154);
  --privacy-bg: linear-gradient(135deg, oklch(23% 0.05 164), oklch(18% 0.028 232) 58%, oklch(15% 0.026 246));
  --privacy-border: oklch(78% 0.12 166 / 24%);
  --privacy-text: oklch(94% 0.016 154);
  --privacy-muted: oklch(82% 0.023 154 / 76%);
  --privacy-cell-border: oklch(94% 0.02 130 / 15%);
  --privacy-chip-bg: oklch(96% 0.014 116 / 10%);
  --contact-bg: linear-gradient(135deg, oklch(25% 0.064 166), oklch(19% 0.03 235) 62%, oklch(16% 0.026 246));
  --contact-border: oklch(78% 0.12 166 / 24%);
  --contact-shadow: 0 26px 80px oklch(8% 0.018 246 / 45%);
  --contact-text: oklch(94% 0.016 154);
  --contact-muted: oklch(82% 0.023 154 / 76%);
  --field-border: oklch(94% 0.02 130 / 18%);
  --field-bg: oklch(11% 0.022 244 / 42%);
  --field-text: oklch(96% 0.014 116);
  --field-focus-border: oklch(78% 0.12 166 / 72%);
  --field-focus-bg: oklch(11% 0.022 244 / 58%);
  --placeholder: oklch(82% 0.023 154 / 48%);
  --submit-bg: oklch(78% 0.12 166);
  --submit-text: oklch(17% 0.04 165);
  --form-status: oklch(82% 0.12 150);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: oklch(69% 0.12 76 / 22%);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--body-bg);
  color: var(--ink);
  line-height: 1.65;
  letter-spacing: 0;
}

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

a:hover,
a:focus-visible {
  color: var(--green-ink);
}

button,
a,
input,
textarea {
  touch-action: manipulation;
}

button,
input,
textarea {
  font: inherit;
}

.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: 100;
  top: 12px;
  left: 12px;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 14px;
  transform: translateY(-160%);
  background: var(--surface);
  color: var(--green-ink);
  box-shadow: var(--header-shadow);
  font-weight: 800;
  transition: transform 160ms ease-out;
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid oklch(69% 0.12 76 / 54%);
  outline-offset: 3px;
}

.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: 18px auto 0;
  padding: 12px 14px 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--header-bg);
  box-shadow: var(--header-shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 7px;
  background: var(--brand-mark-bg), var(--green-deep);
  box-shadow: var(--brand-mark-shadow);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--green-ink);
  font-size: 15px;
  line-height: 1.1;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}

.site-nav a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
  font-size: 14px;
  transition:
    color 160ms ease-out,
    background-color 160ms ease-out;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: var(--nav-hover-bg);
  color: var(--green-ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 12px;
  background: var(--button-secondary-bg);
  color: var(--green-ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
  transition:
    transform 160ms ease-out,
    background-color 160ms ease-out,
    border-color 160ms ease-out;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.theme-toggle-icon {
  position: relative;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.theme-toggle-icon::after {
  content: "";
  position: absolute;
  inset: 1px 0 1px 50%;
  border-radius: 0 999px 999px 0;
  background: currentColor;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--green-ink);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 16px;
  height: 1px;
  margin: 0 auto 5px;
  background: currentColor;
}

.nav-toggle span:last-child {
  margin-bottom: 0;
}

.hero,
.section,
.contact-section,
.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: clamp(32px, 5vw, 72px);
  min-height: min(780px, calc(100svh - 126px));
  align-items: center;
  padding: clamp(42px, 6vw, 84px) 0 72px;
}

.hero-copy,
.system-map,
.section-heading,
.service-item,
.scenario-panel,
.scenario-flow,
.privacy-panel,
.privacy-copy,
.privacy-deployment,
.privacy-points article,
.process-list li,
.contact-copy,
.contact-form {
  min-width: 0;
}

.hero-text,
.section-heading p,
.map-node strong,
.service-item p,
.scenario-panel li,
.scenario-flow strong,
.privacy-copy p,
.privacy-deployment strong,
.privacy-deployment p,
.privacy-points p,
.process-list p,
.contact-copy p {
  overflow-wrap: anywhere;
}

.section,
.contact-section {
  scroll-margin-top: 104px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green-deep);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

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

h1 {
  max-width: 9.2ch;
  margin-bottom: 24px;
  color: var(--green-ink);
  font-size: clamp(54px, 8vw, 104px);
  font-weight: 850;
  line-height: 0.94;
}

h2 {
  max-width: 13ch;
  margin-bottom: 18px;
  color: var(--green-ink);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
}

h3 {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.22;
}

.hero-text {
  max-width: 46rem;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 20px;
  cursor: pointer;
  transition:
    transform 160ms ease-out,
    background-color 160ms ease-out,
    border-color 160ms ease-out;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button:focus-visible,
.theme-toggle:focus-visible,
.nav-toggle:focus-visible,
.site-nav a:focus-visible,
.site-footer a:focus-visible,
.brand:focus-visible,
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 3px solid oklch(69% 0.12 76 / 54%);
  outline-offset: 3px;
}

.button.primary {
  border-color: transparent;
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
  font-weight: 800;
  box-shadow: var(--button-primary-shadow);
}

.button.secondary {
  background: var(--button-secondary-bg);
  color: var(--green-ink);
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal-ready [data-reveal][data-reveal-delay="1"] {
  transition-delay: 130ms;
}

.reveal-ready [data-reveal][data-reveal-delay="2"] {
  transition-delay: 220ms;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

.system-map {
  min-height: 480px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--system-map-bg), var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.system-map figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.system-map figcaption span {
  color: var(--green-ink);
  font-weight: 850;
}

.system-map figcaption small {
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.map-canvas {
  display: grid;
  grid-template-areas:
    "process top connect"
    ". hub right"
    "delivery bottom ai";
  grid-template-columns: minmax(0, 1fr) clamp(34px, 5vw, 48px) minmax(0, 1fr);
  grid-template-rows: minmax(150px, 1fr) clamp(38px, 6vw, 52px) minmax(150px, 1fr);
  min-height: 418px;
  padding: clamp(18px, 3vw, 26px);
}

.map-node {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: start;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(16px, 2vw, 20px);
  background: var(--map-node-bg);
  box-shadow: var(--map-node-shadow);
}

.map-node span {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 800;
}

.map-node span b {
  display: inline-grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: oklch(31% 0.065 159 / 7%);
  color: var(--green-ink);
  font-size: 11px;
  line-height: 1;
}

.map-node strong {
  display: block;
  color: var(--ink);
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 650;
  line-height: 1.46;
}

.node-process {
  grid-area: process;
}

.node-connect {
  grid-area: connect;
}

.node-ai {
  grid-area: ai;
  border-color: oklch(69% 0.12 76 / 34%);
  background:
    linear-gradient(145deg, oklch(69% 0.12 76 / 13%), transparent 62%),
    var(--map-node-bg);
}

.node-delivery {
  grid-area: delivery;
  border-color: transparent;
  background: var(--featured-bg), var(--green-band);
}

.node-delivery span,
.node-delivery strong {
  color: var(--featured-text);
}

.node-delivery span b {
  border-color: oklch(96% 0.014 116 / 24%);
  background: oklch(96% 0.014 116 / 14%);
  color: var(--featured-text);
}

.map-hub {
  z-index: 3;
  display: grid;
  grid-area: hub;
  width: 58px;
  height: 58px;
  place-self: center;
  place-items: center;
  border: 1px solid oklch(96% 0.014 116 / 22%);
  border-radius: 50%;
  background: var(--green-deep);
  box-shadow:
    0 0 0 8px oklch(58% 0.086 157 / 13%),
    0 16px 34px oklch(20% 0.06 159 / 18%);
  color: var(--button-primary-text);
  font-size: 12px;
  font-weight: 850;
}

.flow-link {
  position: relative;
  z-index: 1;
  color: var(--map-line);
}

.flow-link::before,
.flow-link::after {
  content: "";
  position: absolute;
}

.link-top,
.link-bottom {
  align-self: center;
  justify-self: stretch;
  height: 18px;
}

.link-top {
  grid-area: top;
}

.link-bottom {
  grid-area: bottom;
}

.link-top::before,
.link-bottom::before {
  top: 50%;
  right: 0;
  left: 0;
  height: 2px;
  transform: translateY(-50%);
  background: currentColor;
}

.link-top::after {
  top: 50%;
  right: 0;
  transform: translate(2px, -50%);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
}

.link-bottom::after {
  top: 50%;
  left: 0;
  transform: translate(-2px, -50%);
  border-top: 5px solid transparent;
  border-right: 8px solid currentColor;
  border-bottom: 5px solid transparent;
}

.link-right {
  grid-area: right;
  align-self: stretch;
  justify-self: center;
  width: 18px;
}

.link-right::before {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: currentColor;
}

.link-right::after {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-top: 8px solid currentColor;
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
}

.section {
  position: relative;
  padding: clamp(72px, 10vw, 128px) 0;
  border-top: 1px solid var(--line);
}

.services::before,
.process::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: var(--section-alt-bg);
}

.scenarios::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: var(--section-base-bg);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(20px, 5vw, 64px);
  align-items: end;
  margin-bottom: 40px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -10px;
}

.section-heading p:not(.eyebrow) {
  max-width: 46rem;
  color: var(--muted);
}

.section-heading.narrow {
  display: block;
  max-width: 760px;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.service-item {
  min-height: 250px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.service-item:last-child {
  border-right: 0;
}

.service-item.featured {
  background: var(--featured-bg), var(--green-band);
  color: var(--featured-text);
}

.service-item.featured h3,
.service-item.featured p,
.service-item.featured span {
  color: var(--featured-text);
}

.service-item span,
.process-list span,
.scenario-flow span {
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 850;
}

.service-item h3 {
  margin: 42px 0 14px;
}

.service-item p,
.process-list p,
.scenario-panel li {
  color: var(--muted);
}

.scenarios {
  position: relative;
}

.scenario-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: stretch;
}

.scenario-panel,
.scenario-flow {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 18px 44px oklch(34% 0.04 160 / 9%);
}

.scenario-panel {
  padding: 30px;
}

.scenario-panel h3 {
  margin-bottom: 22px;
}

.scenario-panel ul {
  display: grid;
  gap: 16px;
  padding-left: 1.2em;
  margin: 0;
}

.scenario-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}

.scenario-flow div {
  display: grid;
  align-content: end;
  min-height: 340px;
  border-right: 1px solid var(--line);
  padding: 28px;
}

.scenario-flow div:nth-child(2) {
  background: var(--scenario-mid-bg);
}

.scenario-flow div:last-child {
  border-right: 0;
}

.scenario-flow strong {
  display: block;
  margin-top: 14px;
  color: var(--green-ink);
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.15;
}

.privacy-section {
  padding-block: clamp(64px, 9vw, 110px);
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.58fr);
  gap: clamp(28px, 5vw, 70px);
  border: 1px solid var(--privacy-border);
  border-radius: 28px;
  padding: clamp(30px, 5vw, 56px);
  background: var(--privacy-bg), var(--green-deep);
  box-shadow: var(--contact-shadow);
  color: var(--privacy-text);
}

.privacy-copy .eyebrow,
.privacy-copy h2 {
  color: var(--privacy-text);
}

.privacy-copy h2 {
  max-width: 14ch;
}

.privacy-copy p:not(.eyebrow) {
  max-width: 47rem;
  color: var(--privacy-muted);
  font-size: clamp(17px, 2vw, 20px);
}

.privacy-deployment {
  align-self: start;
  border: 1px solid var(--privacy-cell-border);
  border-radius: 18px;
  padding: 22px;
  background: var(--privacy-chip-bg);
}

.privacy-deployment span,
.privacy-points span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 850;
}

.privacy-deployment strong {
  display: block;
  margin: 16px 0 12px;
  color: var(--privacy-text);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.14;
}

.privacy-deployment p,
.privacy-points p {
  margin-bottom: 0;
  color: var(--privacy-muted);
}

.privacy-points {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--privacy-cell-border);
}

.privacy-points article {
  padding: 26px 24px 0 0;
  border-right: 1px solid var(--privacy-cell-border);
}

.privacy-points article:not(:first-child) {
  padding-left: 24px;
}

.privacy-points article:last-child {
  border-right: 0;
}

.privacy-points h3 {
  margin: 18px 0 12px;
  color: var(--privacy-text);
  font-size: 21px;
}

.process {
  position: relative;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.process-list li {
  min-height: 270px;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: var(--process-card-bg);
}

.process-list li:nth-child(even) {
  background: var(--process-even-bg);
  color: var(--process-even-text);
}

.process-list li:nth-child(even) h3,
.process-list li:nth-child(even) p,
.process-list li:nth-child(even) span {
  color: var(--process-even-text);
}

.process-list li:last-child {
  border-right: 0;
}

.process-list h3 {
  margin: 40px 0 14px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 0.7fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
  margin-top: 20px;
  margin-bottom: 84px;
  padding: clamp(36px, 6vw, 62px);
  border: 1px solid var(--contact-border);
  border-radius: 28px;
  background: var(--contact-bg), var(--green-deep);
  box-shadow: var(--contact-shadow);
  color: var(--contact-text);
}

.contact-copy h2,
.contact-copy .eyebrow {
  color: var(--contact-text);
}

.contact-copy p:not(.eyebrow),
.contact-methods {
  max-width: 44rem;
  color: var(--contact-muted);
}

.contact-copy a {
  color: var(--contact-text);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.contact-methods {
  display: grid;
  gap: 6px;
}

.contact-channel {
  display: block;
}

.contact-value {
  color: var(--contact-text);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: var(--contact-muted);
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--field-border);
  border-radius: var(--radius);
  padding: 13px 14px;
  background: var(--field-bg);
  color: var(--field-text);
  outline: none;
  resize: vertical;
  transition:
    border-color 160ms ease-out,
    background-color 160ms ease-out;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--field-focus-border);
  background: var(--field-focus-bg);
}

.contact-form ::placeholder {
  color: var(--placeholder);
}

.form-submit {
  width: 100%;
  border: 0;
  background: var(--submit-bg);
  color: var(--submit-text);
}

.form-status {
  min-height: 28px;
  margin: 0;
  color: var(--form-status);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--green-ink);
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero,
  .section-heading,
  .scenario-layout,
  .privacy-panel,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .service-grid,
  .privacy-points,
  .process-list {
    grid-template-columns: 1fr 1fr;
  }

  .service-item:nth-child(2),
  .process-list li:nth-child(2) {
    border-right: 0;
  }

  .service-item:nth-child(-n + 2),
  .process-list li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .privacy-points article:nth-child(2) {
    border-right: 0;
  }

  .privacy-points article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--privacy-cell-border);
  }

  .privacy-points article:nth-child(odd) {
    padding-left: 0;
  }
}

@media (max-width: 760px) {
  .hero,
  .section,
  .contact-section,
  .site-footer {
    width: min(var(--max), calc(100% - 28px));
  }

  .site-header {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    min-height: 64px;
    margin: 18px 14px 0;
    padding: 10px 12px;
    border-radius: 22px;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
  }

  .brand small {
    display: none;
  }

  .header-actions {
    position: static;
    margin-left: 8px;
    gap: 6px;
  }

  .theme-toggle {
    width: 42px;
    min-width: 42px;
    padding: 0;
    justify-content: center;
  }

  .theme-toggle [data-theme-label] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 88px;
    right: 14px;
    left: 14px;
    display: none;
    grid-template-columns: 1fr;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--nav-menu-bg);
    box-shadow: var(--header-shadow);
  }

  .site-header.nav-open .site-nav {
    display: grid;
  }

  .site-nav a {
    justify-content: center;
  }

  h1 {
    max-width: 8ch;
    font-size: clamp(48px, 16vw, 76px);
  }

  h2 {
    max-width: 12ch;
  }

  .system-map {
    min-height: auto;
  }

  .system-map figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    padding: 14px 18px;
  }

  .system-map figcaption small {
    white-space: normal;
  }

  .map-canvas {
    grid-template-areas:
      "process"
      "connect"
      "ai"
      "delivery";
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 12px;
    min-height: auto;
  }

  .map-node {
    min-height: auto;
  }

  .flow-link,
  .map-hub {
    display: none;
  }

  .service-grid,
  .privacy-points,
  .scenario-flow,
  .process-list {
    grid-template-columns: 1fr;
  }

  .privacy-panel {
    padding: 28px 18px;
  }

  .privacy-deployment {
    padding: 18px;
  }

  .privacy-points {
    border-top: 1px solid var(--privacy-cell-border);
  }

  .privacy-points article,
  .privacy-points article:not(:first-child),
  .privacy-points article:nth-child(odd) {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--privacy-cell-border);
  }

  .privacy-points article:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .service-item,
  .process-list li,
  .scenario-flow div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .service-item:last-child,
  .process-list li:last-child,
  .scenario-flow div:last-child {
    border-bottom: 0;
  }

  .service-item h3,
  .process-list h3 {
    margin-top: 28px;
  }

  .scenario-flow div {
    min-height: 180px;
  }

  .contact-section {
    padding: 28px;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .reveal-ready [data-reveal],
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}